mirror of
https://github.com/beefytech/Beef.git
synced 2025-06-08 19:48:20 +02:00
25759 lines
876 KiB
C++
25759 lines
876 KiB
C++
#pragma warning(push)
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#pragma warning(disable:4800)
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#pragma warning(disable:4244)
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#pragma warning(disable:4141)
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#pragma warning(disable:4624)
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#pragma warning(disable:4146)
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#pragma warning(disable:4267)
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#pragma warning(disable:4291)
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#include "BfExprEvaluator.h"
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#include "BfConstResolver.h"
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#include "BfAutoComplete.h"
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#include "BeefySysLib/util/PerfTimer.h"
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#include "BeefySysLib/util/BeefPerf.h"
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#include "BfParser.h"
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#include "BfMangler.h"
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#include "BfDemangler.h"
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#include "BfResolvePass.h"
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#include "BfUtil.h"
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#include "BfDeferEvalChecker.h"
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#include "BfVarDeclChecker.h"
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#include "BfFixits.h"
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#include "CeMachine.h"
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#include "BfDefBuilder.h"
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#include "CeMachine.h"
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#include "CeDebugger.h"
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#pragma warning(pop)
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#pragma warning(disable:4996)
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#include "BeefySysLib/util/AllocDebug.h"
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USING_NS_BF;
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using namespace llvm;
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//////////////////////////////////////////////////////////////////////////
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DeferredTupleAssignData::~DeferredTupleAssignData()
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{
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for (auto entry : mChildren)
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{
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delete entry.mExprEvaluator;
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delete entry.mInnerTuple;
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}
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}
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//////////////////////////////////////////////////////////////////////////
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BfBaseClassWalker::BfBaseClassWalker(BfType* typeA, BfType* typeB, BfModule* module, bool allowInterfaces)
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{
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mMayBeFromInterface = false;
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if (typeB == typeA)
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typeB = NULL;
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if ((typeA != NULL) &&
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((!typeA->IsInterface()) || (allowInterfaces)))
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mTypes[0] = typeA->ToTypeInstance();
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else
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mTypes[0] = NULL;
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if ((typeB != NULL) &&
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((!typeB->IsInterface()) || (allowInterfaces)))
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mTypes[1] = typeB->ToTypeInstance();
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else
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mTypes[1] = NULL;
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if ((typeA != NULL) && (typeA->IsGenericParam()))
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{
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mMayBeFromInterface = true;
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AddConstraints(typeA, module->GetGenericParamInstance((BfGenericParamType*)typeA));
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}
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if ((typeA != NULL) && (typeA->IsInterface()))
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{
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AddInterfaces(typeA, typeA->ToTypeInstance());
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}
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if ((typeB != NULL) && (typeB->IsGenericParam()))
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{
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mMayBeFromInterface = true;
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AddConstraints(typeB, module->GetGenericParamInstance((BfGenericParamType*)typeB));
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}
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if ((typeB != NULL) && (typeB->IsInterface()))
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{
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AddInterfaces(typeB, typeB->ToTypeInstance());
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}
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}
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/*BfBaseClassWalker::BfBaseClassWalker(BfTypeInstance* typeA, BfTypeInstance* typeB)
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{
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mTypes[0] = typeA;
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mTypes[1] = typeB;
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}*/
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BfBaseClassWalker::BfBaseClassWalker()
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{
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mMayBeFromInterface = false;
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mTypes[0] = NULL;
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mTypes[1] = NULL;
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}
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void BfBaseClassWalker::AddConstraints(BfType* srcType, BfGenericParamInstance* genericParam)
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{
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if (genericParam->mTypeConstraint != NULL)
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{
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auto typeInst = genericParam->mTypeConstraint->ToTypeInstance();
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if (typeInst != NULL)
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{
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if (typeInst->IsInterface())
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AddInterfaces(srcType, typeInst->ToTypeInstance());
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Entry entry(srcType, typeInst);
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if (!mManualList.Contains(entry))
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mManualList.Add(entry);
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}
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}
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for (auto typeInst : genericParam->mInterfaceConstraints)
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{
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if (typeInst != NULL)
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{
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if (typeInst->IsInterface())
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AddInterfaces(srcType, typeInst->ToTypeInstance());
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Entry entry(srcType, typeInst);
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if (!mManualList.Contains(entry))
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mManualList.Add(entry);
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}
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}
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}
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void BfBaseClassWalker::AddInterfaces(BfType* srcType, BfTypeInstance* typeInst)
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{
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for (auto ifaceEntry : typeInst->mInterfaces)
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{
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Entry entry(srcType, ifaceEntry.mInterfaceType);
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if ((typeInst != NULL) && (!mManualList.Contains(entry)))
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mManualList.Add(entry);
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}
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}
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BfBaseClassWalker::Entry BfBaseClassWalker::Next()
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{
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if (!mManualList.IsEmpty())
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{
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auto entry = mManualList.back();
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mManualList.pop_back();
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return entry;
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}
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// Check the most specific type instance first (highest inheritance level)
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auto checkInstance = mTypes[0];
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if (mTypes[0] == NULL)
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checkInstance = mTypes[1];
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else if ((mTypes[1] != NULL) && (mTypes[1]->mInheritDepth > mTypes[0]->mInheritDepth))
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checkInstance = mTypes[1];
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if (checkInstance == NULL)
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return Entry();
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// Do it this was so if we reach the same base class for both types that we only handle each base type once
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if (checkInstance == mTypes[0])
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mTypes[0] = checkInstance->mBaseType;
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if (checkInstance == mTypes[1])
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mTypes[1] = checkInstance->mBaseType;
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Entry entry;
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entry.mSrcType = checkInstance;
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entry.mTypeInstance = checkInstance;
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return entry;
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}
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//////////////////////////////////////////////////////////////////////////
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BfMethodMatcher::BfMethodMatcher(BfAstNode* targetSrc, BfModule* module, const StringImpl& methodName, SizedArrayImpl<BfResolvedArg>& arguments, const BfMethodGenericArguments& methodGenericArguments) :
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mArguments(arguments)
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{
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mTargetSrc = targetSrc;
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mModule = module;
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mMethodName = methodName;
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Init(/*arguments, */methodGenericArguments);
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}
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BfMethodMatcher::BfMethodMatcher(BfAstNode* targetSrc, BfModule* module, BfMethodInstance* interfaceMethodInstance, SizedArrayImpl<BfResolvedArg>& arguments, const BfMethodGenericArguments& methodGenericArguments) :
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mArguments(arguments)
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{
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mTargetSrc = targetSrc;
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mModule = module;
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Init(/*arguments, */methodGenericArguments);
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mInterfaceMethodInstance = interfaceMethodInstance;
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mMethodName = mInterfaceMethodInstance->mMethodDef->mName;
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}
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void BfMethodMatcher::Init(const BfMethodGenericArguments& methodGenericArguments)
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{
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//mArguments = arguments;
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mUsingLists = NULL;
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mActiveTypeDef = NULL;
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mBestMethodDef = NULL;
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mBackupMethodDef = NULL;
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mBackupMatchKind = BackupMatchKind_None;
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mBestRawMethodInstance = NULL;
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mBestMethodTypeInstance = NULL;
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mExplicitInterfaceCheck = NULL;
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mSelfType = NULL;
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mMethodType = BfMethodType_Normal;
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mCheckReturnType = NULL;
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mHasArgNames = false;
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mHadExplicitGenericArguments = false;
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mHadOpenGenericArguments = methodGenericArguments.mIsOpen;
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mHadPartialGenericArguments = methodGenericArguments.mIsPartial;
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mHasVarArguments = false;
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mInterfaceMethodInstance = NULL;
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mFakeConcreteTarget = false;
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mBypassVirtual = false;
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mAllowStatic = true;
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mAllowNonStatic = true;
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mSkipImplicitParams = false;
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mAllowImplicitThis = false;
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mAllowImplicitRef = false;
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mAllowImplicitWrap = false;
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mHadVarConflictingReturnType = false;
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mAutoFlushAmbiguityErrors = true;
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mMethodCheckCount = 0;
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mCheckedKind = BfCheckedKind_NotSet;
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mMatchFailKind = MatchFailKind_None;
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mBfEvalExprFlags = BfEvalExprFlags_None;
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for (auto& arg : mArguments)
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{
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auto bfType = arg.mTypedValue.mType;
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if (bfType != NULL)
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{
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mHasVarArguments |= bfType->IsVar();
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if (bfType->IsGenericParam())
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{
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auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)bfType);
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if ((genericParamInstance->mGenericParamFlags & BfGenericParamFlag_Var) != 0)
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mHasVarArguments = true;
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}
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}
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if (arg.mNameNode != NULL)
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mHasArgNames = true;
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}
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if (methodGenericArguments.mArguments != NULL)
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{
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for (BfAstNode* genericArg : *(methodGenericArguments.mArguments))
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{
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BfType* genericArgType = NULL;
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if (BfNodeIsA<BfUninitializedExpression>(genericArg))
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{
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// Allow a null here
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BF_ASSERT(mHadPartialGenericArguments);
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}
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else
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{
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genericArgType = mModule->ResolveTypeRef(genericArg, NULL, BfPopulateType_Identity, BfResolveTypeRefFlag_AllowImplicitConstExpr);
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if ((genericArgType != NULL) && (genericArgType->IsGenericParam()))
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{
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auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)genericArgType);
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if ((genericParamInstance->mGenericParamFlags & BfGenericParamFlag_Var) != 0)
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mHasVarArguments = true;
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}
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}
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mExplicitMethodGenericArguments.push_back(genericArgType);
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}
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mHadExplicitGenericArguments = true;
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}
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}
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bool BfMethodMatcher::IsMemberAccessible(BfTypeInstance* typeInst, BfTypeDef* declaringType)
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{
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if (!declaringType->mIsPartial)
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return true;
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if (mActiveTypeDef == NULL)
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mActiveTypeDef = mModule->GetActiveTypeDef();
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// Note that mActiveTypeDef does not pose a constraint here
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if (!typeInst->IsTypeMemberIncluded(declaringType, mActiveTypeDef, mModule))
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return false;
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auto visibleProjectSet = mModule->GetVisibleProjectSet();
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if ((visibleProjectSet != NULL) && (!typeInst->IsTypeMemberAccessible(declaringType, visibleProjectSet)))
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{
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return false;
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}
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return true;
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}
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bool BfGenericInferContext::AddToCheckedSet(BfType* argType, BfType* wantType)
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{
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int64 idPair = ((int64)argType->mTypeId << 32) | (wantType->mTypeId);
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return mCheckedTypeSet.Add(idPair);
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}
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bool BfGenericInferContext::InferGenericArgument(BfMethodInstance* methodInstance, BfType* argType, BfType* wantType, BfIRValue argValue, bool checkCheckedSet)
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{
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if (argType == NULL)
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return false;
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if (!wantType->IsUnspecializedType())
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return true;
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if (checkCheckedSet)
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{
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if (!AddToCheckedSet(argType, wantType))
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return true;
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}
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if (wantType->IsGenericParam())
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{
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auto wantGenericParam = (BfGenericParamType*)wantType;
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BfType* methodGenericTypeConstraint = NULL;
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auto _SetGeneric = [&]()
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{
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if (argType != NULL)
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{
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// Disallow illegal types
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if (argType->IsRef())
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return;
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if (argType->IsNull())
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return;
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}
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if ((*mCheckMethodGenericArguments)[wantGenericParam->mGenericParamIdx] != argType)
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{
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if (methodGenericTypeConstraint != NULL)
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{
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if (methodGenericTypeConstraint->IsGenericTypeInstance())
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{
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auto wantGenericType = (BfTypeInstance*)methodGenericTypeConstraint;
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auto checkArgType = argType;
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while (checkArgType != NULL)
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{
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if (checkArgType->IsGenericTypeInstance())
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{
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auto argGenericType = (BfTypeInstance*)checkArgType;
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if (argGenericType->mTypeDef->GetLatest() == wantGenericType->mTypeDef->GetLatest())
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{
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for (int genericArgIdx = 0; genericArgIdx < (int)argGenericType->mGenericTypeInfo->mTypeGenericArguments.size(); genericArgIdx++)
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InferGenericArgument(methodInstance, argGenericType->mGenericTypeInfo->mTypeGenericArguments[genericArgIdx], wantGenericType->mGenericTypeInfo->mTypeGenericArguments[genericArgIdx], BfIRValue(), true);
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}
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}
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else if (checkArgType->IsSizedArray())
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{
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auto sizedArrayType = (BfSizedArrayType*)checkArgType;
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if (wantGenericType->IsInstanceOf(mModule->mCompiler->mSizedArrayTypeDef))
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{
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InferGenericArgument(methodInstance, sizedArrayType->mElementType, wantGenericType->mGenericTypeInfo->mTypeGenericArguments[0], BfIRValue());
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auto intType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
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BfTypedValue arraySize = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, (uint64)sizedArrayType->mElementCount), intType);
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InferGenericArgument(methodInstance, mModule->CreateConstExprValueType(arraySize), wantGenericType->mGenericTypeInfo->mTypeGenericArguments[1], BfIRValue(), true);
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}
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}
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else if (checkArgType->IsPointer())
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{
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auto pointerType = (BfPointerType*)checkArgType;
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if (wantGenericType->IsInstanceOf(mModule->mCompiler->mPointerTTypeDef))
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{
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InferGenericArgument(methodInstance, pointerType->mElementType, wantGenericType->mGenericTypeInfo->mTypeGenericArguments[0], BfIRValue(), true);
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}
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}
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auto checkTypeInst = checkArgType->ToTypeInstance();
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if ((checkTypeInst == NULL) || (!checkTypeInst->mHasParameterizedBase))
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break;
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checkArgType = checkTypeInst->mBaseType;
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}
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}
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}
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}
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if ((*mCheckMethodGenericArguments)[wantGenericParam->mGenericParamIdx] == NULL)
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mInferredCount++;
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(*mCheckMethodGenericArguments)[wantGenericParam->mGenericParamIdx] = argType;
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if (!mPrevArgValues.IsEmpty())
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mPrevArgValues[wantGenericParam->mGenericParamIdx] = argValue;
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};
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if (argType->IsVar())
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{
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_SetGeneric();
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return true;
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}
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if (wantGenericParam->mGenericParamKind == BfGenericParamKind_Method)
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{
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auto genericParamInst = methodInstance->mMethodInfoEx->mGenericParams[wantGenericParam->mGenericParamIdx];
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methodGenericTypeConstraint = genericParamInst->mTypeConstraint;
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if ((genericParamInst->mGenericParamFlags & BfGenericParamFlag_Const) != 0)
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{
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if (argValue.IsConst())
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{
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argType = mModule->CreateConstExprValueType(BfTypedValue(argValue, argType));
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}
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else if (!argType->IsConstExprValue())
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{
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return false;
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}
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}
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if (argType == mModule->mContext->mBfObjectType)
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{
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if ((genericParamInst->mTypeConstraint != NULL) && (genericParamInst->mTypeConstraint->IsDelegate()))
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{
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argType = mModule->ResolveGenericType(genericParamInst->mTypeConstraint, NULL, mCheckMethodGenericArguments, mModule->mCurTypeInstance);
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if (argType == NULL)
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return true;
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}
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}
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if (mPrevArgValues.IsEmpty())
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{
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_SetGeneric();
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return true;
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}
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auto prevGenericMethodArg = (*mCheckMethodGenericArguments)[wantGenericParam->mGenericParamIdx];
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auto prevArgValue = mPrevArgValues[wantGenericParam->mGenericParamIdx];
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if (prevGenericMethodArg == NULL)
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{
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_SetGeneric();
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return true;
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}
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if ((prevGenericMethodArg->IsIntUnknown()) && (!argType->IsIntUnknown()))
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{
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// Old int fits into new argType, that's good
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if (mModule->CanCast(BfTypedValue(prevArgValue, prevGenericMethodArg), argType))
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{
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_SetGeneric();
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return true;
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}
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// Doesn't fit, upgrade type to 'int'
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argType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
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if (mModule->CanCast(BfTypedValue(prevArgValue, prevGenericMethodArg), argType))
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{
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_SetGeneric();
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return true;
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}
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}
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if (argType->IsIntUnknown())
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{
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// New int fits into previous arg type, that's good
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if (mModule->CanCast(BfTypedValue(argValue, argType), prevGenericMethodArg))
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return true;
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// Doesn't fit, upgrade type to 'int'
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argType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
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}
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else
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{
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// Prev is already best
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if (mModule->CanCast(mModule->GetFakeTypedValue(argType), prevGenericMethodArg))
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return true;
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}
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|
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// New best?
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if (mModule->CanCast(mModule->GetFakeTypedValue(prevGenericMethodArg), argType))
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{
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_SetGeneric();
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return true;
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}
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|
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// No implicit conversion, FAIL!
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(*mCheckMethodGenericArguments)[wantGenericParam->mGenericParamIdx] = NULL;
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return false;
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}
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return true;
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|
}
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|
|
|
if (wantType->IsTuple())
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|
{
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if (argType->IsTuple())
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{
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auto wantTupleType = (BfTupleType*)wantType;
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auto argTupleType = (BfTupleType*)argType;
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|
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if (wantTupleType->mFieldInstances.size() == argTupleType->mFieldInstances.size())
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{
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for (int fieldIdx = 0; fieldIdx < (int)wantTupleType->mFieldInstances.size(); fieldIdx++)
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{
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InferGenericArgument(methodInstance, argTupleType->mFieldInstances[fieldIdx].mResolvedType,
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wantTupleType->mFieldInstances[fieldIdx].mResolvedType, BfIRValue());
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}
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}
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}
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}
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|
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if ((wantType->IsGenericTypeInstance()) && (wantType->IsUnspecializedTypeVariation()))
|
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{
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auto wantGenericType = (BfTypeInstance*)wantType;
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if (argType->IsGenericParam())
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{
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auto genericParam = mModule->GetGenericParamInstance((BfGenericParamType*)argType);
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if ((genericParam->mGenericParamFlags & BfGenericParamFlag_Var) != 0)
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{
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InferGenericArgument(methodInstance, mModule->GetPrimitiveType(BfTypeCode_Var), wantType, BfIRValue());
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return true;
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}
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|
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if ((genericParam->mTypeConstraint != NULL) && (genericParam->mTypeConstraint->IsGenericTypeInstance()))
|
|
InferGenericArgument(methodInstance, genericParam->mTypeConstraint, wantType, BfIRValue());
|
|
}
|
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|
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if (argType->IsVar())
|
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{
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|
for (int genericArgIdx = 0; genericArgIdx < (int)wantGenericType->mGenericTypeInfo->mTypeGenericArguments.size(); genericArgIdx++)
|
|
{
|
|
BfType* wantGenericArgument = wantGenericType->mGenericTypeInfo->mTypeGenericArguments[genericArgIdx];
|
|
if (!wantGenericArgument->IsUnspecializedType())
|
|
continue;
|
|
InferGenericArgument(methodInstance, mModule->GetPrimitiveType(BfTypeCode_Var), wantGenericArgument, BfIRValue());
|
|
}
|
|
return true;
|
|
}
|
|
|
|
auto typeInstance = argType->ToTypeInstance();
|
|
if (typeInstance == NULL)
|
|
return true;
|
|
if (wantGenericType->IsInterface())
|
|
{
|
|
for (auto& ifaceEntry : typeInstance->mInterfaces)
|
|
InferGenericArgument(methodInstance, ifaceEntry.mInterfaceType, wantType, BfIRValue());
|
|
}
|
|
else if (typeInstance->mBaseType != NULL)
|
|
InferGenericArgument(methodInstance, typeInstance->mBaseType, wantType, BfIRValue());
|
|
|
|
if (!argType->IsGenericTypeInstance())
|
|
return true;
|
|
auto argGenericType = (BfTypeInstance*)argType;
|
|
if (argGenericType->mTypeDef->GetDefinition() != wantGenericType->mTypeDef->GetDefinition())
|
|
return true;
|
|
|
|
for (int genericArgIdx = 0; genericArgIdx < (int)argGenericType->mGenericTypeInfo->mTypeGenericArguments.size(); genericArgIdx++)
|
|
{
|
|
BfType* wantGenericArgument = wantGenericType->mGenericTypeInfo->mTypeGenericArguments[genericArgIdx];
|
|
if (!wantGenericArgument->IsUnspecializedType())
|
|
continue;
|
|
InferGenericArgument(methodInstance, argGenericType->mGenericTypeInfo->mTypeGenericArguments[genericArgIdx], wantGenericArgument, BfIRValue(), true);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
if (wantType->IsRef())
|
|
{
|
|
auto wantRefType = (BfRefType*)wantType;
|
|
if (!argType->IsRef())
|
|
{
|
|
// Match to non-ref
|
|
InferGenericArgument(methodInstance, argType, wantRefType->mElementType, BfIRValue());
|
|
return true;
|
|
}
|
|
auto argRefType = (BfRefType*)argType;
|
|
//TODO: We removed this check so we still infer even if we have the wrong ref kind
|
|
//if (wantRefType->mRefKind != argRefType->mRefKind)
|
|
//return true;
|
|
return InferGenericArgument(methodInstance, argRefType->mElementType, wantRefType->mElementType, BfIRValue());
|
|
}
|
|
|
|
if (wantType->IsPointer())
|
|
{
|
|
if (!argType->IsPointer())
|
|
return true;
|
|
auto wantPointerType = (BfPointerType*) wantType;
|
|
auto argPointerType = (BfPointerType*) argType;
|
|
return InferGenericArgument(methodInstance, argPointerType->mElementType, wantPointerType->mElementType, BfIRValue());
|
|
}
|
|
|
|
if (wantType->IsUnknownSizedArrayType())
|
|
{
|
|
auto wantArrayType = (BfUnknownSizedArrayType*)wantType;
|
|
if (argType->IsUnknownSizedArrayType())
|
|
{
|
|
auto argArrayType = (BfUnknownSizedArrayType*)argType;
|
|
InferGenericArgument(methodInstance, argArrayType->mElementCountSource, wantArrayType->mElementCountSource, BfIRValue());
|
|
}
|
|
else if (argType->IsSizedArray())
|
|
{
|
|
auto argArrayType = (BfSizedArrayType*)argType;
|
|
BfTypedValue sizeValue(mModule->GetConstValue(argArrayType->mElementCount), mModule->GetPrimitiveType(BfTypeCode_IntPtr));
|
|
auto sizedType = mModule->CreateConstExprValueType(sizeValue);
|
|
InferGenericArgument(methodInstance, sizedType, wantArrayType->mElementCountSource, BfIRValue());
|
|
}
|
|
}
|
|
|
|
if (wantType->IsSizedArray())
|
|
{
|
|
if (argType->IsSizedArray())
|
|
{
|
|
auto wantArrayType = (BfSizedArrayType*)wantType;
|
|
auto argArrayType = (BfSizedArrayType*)argType;
|
|
InferGenericArgument(methodInstance, argArrayType->mElementType, wantArrayType->mElementType, BfIRValue());
|
|
}
|
|
}
|
|
|
|
if ((wantType->IsDelegate()) || (wantType->IsFunction()))
|
|
{
|
|
if (((argType->IsDelegate()) || (argType->IsFunction())) &&
|
|
(wantType->IsDelegate() == argType->IsDelegate()))
|
|
{
|
|
if (!AddToCheckedSet(argType, wantType))
|
|
return true;
|
|
|
|
auto argInvokeMethod = mModule->GetRawMethodByName(argType->ToTypeInstance(), "Invoke");
|
|
auto wantInvokeMethod = mModule->GetRawMethodByName(wantType->ToTypeInstance(), "Invoke");
|
|
|
|
if ((argInvokeMethod != NULL) && (wantInvokeMethod != NULL) && (argInvokeMethod->GetParamCount() == wantInvokeMethod->GetParamCount()))
|
|
{
|
|
InferGenericArgument(methodInstance, argInvokeMethod->mReturnType, wantInvokeMethod->mReturnType, BfIRValue());
|
|
for (int argIdx = 0; argIdx < (int)argInvokeMethod->GetParamCount(); argIdx++)
|
|
InferGenericArgument(methodInstance, argInvokeMethod->GetParamType(argIdx), wantInvokeMethod->GetParamType(argIdx), BfIRValue());
|
|
}
|
|
}
|
|
else if (argType->IsMethodRef())
|
|
{
|
|
auto methodTypeRef = (BfMethodRefType*)argType;
|
|
if (!AddToCheckedSet(argType, wantType))
|
|
return true;
|
|
|
|
auto argInvokeMethod = methodTypeRef->mMethodRef;
|
|
auto delegateInfo = wantType->GetDelegateInfo();
|
|
auto wantInvokeMethod = mModule->GetRawMethodByName(wantType->ToTypeInstance(), "Invoke");
|
|
|
|
if ((delegateInfo->mHasExplicitThis) && (argInvokeMethod->HasThis()))
|
|
InferGenericArgument(methodInstance, argInvokeMethod->GetParamType(-1), delegateInfo->mParams[0], BfIRValue());
|
|
|
|
int wantInvokeOffset = delegateInfo->mHasExplicitThis ? 1 : 0;
|
|
if ((argInvokeMethod != NULL) && (wantInvokeMethod != NULL) && (argInvokeMethod->GetParamCount() == wantInvokeMethod->GetParamCount() - wantInvokeOffset))
|
|
{
|
|
InferGenericArgument(methodInstance, argInvokeMethod->mReturnType, wantInvokeMethod->mReturnType, BfIRValue());
|
|
for (int argIdx = 0; argIdx < (int)argInvokeMethod->GetParamCount(); argIdx++)
|
|
InferGenericArgument(methodInstance, argInvokeMethod->GetParamType(argIdx), wantInvokeMethod->GetParamType(argIdx + wantInvokeOffset), BfIRValue());
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool BfGenericInferContext::InferGenericArguments(BfMethodInstance* methodInstance, int srcGenericIdx)
|
|
{
|
|
auto& srcGenericArg = (*mCheckMethodGenericArguments)[srcGenericIdx];
|
|
if (srcGenericArg == NULL)
|
|
return false;
|
|
|
|
int startInferCount = mInferredCount;
|
|
|
|
auto srcGenericParam = methodInstance->mMethodInfoEx->mGenericParams[srcGenericIdx];
|
|
for (auto ifaceConstraint : srcGenericParam->mInterfaceConstraints)
|
|
{
|
|
if ((ifaceConstraint->IsUnspecializedTypeVariation()) && (ifaceConstraint->IsGenericTypeInstance()))
|
|
{
|
|
InferGenericArgument(methodInstance, srcGenericArg, ifaceConstraint, BfIRValue());
|
|
auto typeInstance = srcGenericArg->ToTypeInstance();
|
|
if ((typeInstance == NULL) && (srcGenericArg->IsWrappableType()))
|
|
typeInstance = mModule->GetWrappedStructType(srcGenericArg);
|
|
|
|
if (typeInstance != NULL)
|
|
{
|
|
for (auto ifaceEntry : typeInstance->mInterfaces)
|
|
InferGenericArgument(methodInstance, ifaceEntry.mInterfaceType, ifaceConstraint, BfIRValue());
|
|
}
|
|
|
|
if (srcGenericArg->IsGenericParam())
|
|
{
|
|
auto genericParamType = (BfGenericParamType*)srcGenericArg;
|
|
|
|
BfGenericParamInstance* genericParam = NULL;
|
|
if (genericParamType->mGenericParamKind == BfGenericParamKind_Method)
|
|
genericParam = mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams[genericParamType->mGenericParamIdx];
|
|
else
|
|
genericParam = mModule->GetGenericParamInstance(genericParamType);
|
|
|
|
if (genericParam->mTypeConstraint != NULL)
|
|
InferGenericArgument(methodInstance, genericParam->mTypeConstraint, ifaceConstraint, BfIRValue());
|
|
for (auto argIfaceConstraint : genericParam->mInterfaceConstraints)
|
|
InferGenericArgument(methodInstance, argIfaceConstraint, ifaceConstraint, BfIRValue());
|
|
}
|
|
}
|
|
}
|
|
|
|
return mInferredCount != startInferCount;
|
|
}
|
|
|
|
void BfGenericInferContext::InferGenericArguments(BfMethodInstance* methodInstance)
|
|
{
|
|
// Attempt to infer from other generic args
|
|
for (int srcGenericIdx = 0; srcGenericIdx < (int)mCheckMethodGenericArguments->size(); srcGenericIdx++)
|
|
{
|
|
InferGenericArguments(methodInstance, srcGenericIdx);
|
|
}
|
|
}
|
|
|
|
int BfMethodMatcher::GetMostSpecificType(BfType* lhs, BfType* rhs)
|
|
{
|
|
if ((lhs->IsRef()) && (rhs->IsRef()))
|
|
return GetMostSpecificType(lhs->GetUnderlyingType(), rhs->GetUnderlyingType());
|
|
|
|
if ((lhs->IsPointer()) && (rhs->IsPointer()))
|
|
return GetMostSpecificType(lhs->GetUnderlyingType(), rhs->GetUnderlyingType());
|
|
|
|
if ((lhs->IsSizedArray()) && (rhs->IsSizedArray()))
|
|
return GetMostSpecificType(lhs->GetUnderlyingType(), rhs->GetUnderlyingType());
|
|
|
|
if (lhs->IsGenericParam())
|
|
return rhs->IsGenericParam() ? -1 : 1;
|
|
if (rhs->IsGenericParam())
|
|
return 0;
|
|
|
|
if ((lhs->IsUnspecializedType()) && (lhs->IsGenericTypeInstance()))
|
|
{
|
|
if ((!rhs->IsUnspecializedType()) || (!rhs->IsGenericTypeInstance()))
|
|
return 1;
|
|
|
|
auto lhsTypeInst = lhs->ToTypeInstance();
|
|
auto rhsTypeInst = rhs->ToTypeInstance();
|
|
|
|
if ((rhsTypeInst == NULL) || (lhsTypeInst == NULL) || (lhsTypeInst->mTypeDef != rhsTypeInst->mTypeDef))
|
|
return -1;
|
|
|
|
bool hadLHSMoreSpecific = false;
|
|
bool hadRHSMoreSpecific = false;
|
|
|
|
for (int generigArgIdx = 0; generigArgIdx < (int)lhsTypeInst->mGenericTypeInfo->mTypeGenericArguments.size(); generigArgIdx++)
|
|
{
|
|
int argMoreSpecific = GetMostSpecificType(lhsTypeInst->mGenericTypeInfo->mTypeGenericArguments[generigArgIdx],
|
|
rhsTypeInst->mGenericTypeInfo->mTypeGenericArguments[generigArgIdx]);
|
|
if (argMoreSpecific == 0)
|
|
hadLHSMoreSpecific = true;
|
|
else if (argMoreSpecific == 1)
|
|
hadRHSMoreSpecific = true;
|
|
}
|
|
|
|
if ((hadLHSMoreSpecific) && (!hadRHSMoreSpecific))
|
|
return 0;
|
|
if ((hadRHSMoreSpecific) && (!hadLHSMoreSpecific))
|
|
return 1;
|
|
return -1;
|
|
}
|
|
if (rhs->IsUnspecializedType())
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
void BfMethodMatcher::CompareMethods(BfMethodInstance* prevMethodInstance, BfTypeVector* prevGenericArgumentsSubstitute,
|
|
BfMethodInstance* newMethodInstance, BfTypeVector* genericArgumentsSubstitute,
|
|
bool* outNewIsBetter, bool* outNewIsWorse, bool allowSpecializeFail)
|
|
{
|
|
if (prevMethodInstance == newMethodInstance)
|
|
{
|
|
*outNewIsBetter = false;
|
|
*outNewIsWorse = true;
|
|
return;
|
|
}
|
|
|
|
#define SET_BETTER_OR_WORSE(lhs, rhs) \
|
|
if ((!isBetter) && (lhs) && !(rhs)) isBetter = true; \
|
|
if ((!isWorse) && !(lhs) && (rhs)) isWorse = true;
|
|
|
|
#define RETURN_BETTER_OR_WORSE(lhs, rhs) \
|
|
if ((!isBetter) && (lhs) && !(rhs)) { *outNewIsBetter = true; *outNewIsWorse = false; return; } \
|
|
if ((!isWorse) && !(lhs) && (rhs)) { *outNewIsBetter = false; *outNewIsWorse = true; return; };
|
|
|
|
#define RETURN_RESULTS \
|
|
*outNewIsBetter = isBetter; \
|
|
*outNewIsWorse = isWorse; \
|
|
return;
|
|
|
|
int numUsedParams = 0;
|
|
int prevNumUsedParams = 0;
|
|
bool usedExtendedForm = false;
|
|
bool prevUsedExtendedForm = false;
|
|
|
|
bool isBetter = false;
|
|
bool isWorse = false;
|
|
int argIdx;
|
|
|
|
BfMethodDef* prevMethodDef = prevMethodInstance->mMethodDef;
|
|
BfMethodDef* newMethodDef = newMethodInstance->mMethodDef;
|
|
|
|
if (prevMethodDef == mBackupMethodDef)
|
|
{
|
|
// This can happen for extension methods and such
|
|
*outNewIsBetter = true;
|
|
*outNewIsWorse = false;
|
|
return;
|
|
}
|
|
|
|
if (newMethodDef->mExplicitInterface != prevMethodDef->mExplicitInterface)
|
|
{
|
|
if (mModule->CompareMethodSignatures(newMethodInstance, prevMethodInstance))
|
|
{
|
|
SET_BETTER_OR_WORSE(newMethodDef->mExplicitInterface != NULL, prevMethodDef->mExplicitInterface != NULL);
|
|
*outNewIsBetter = isBetter;
|
|
*outNewIsWorse = isWorse;
|
|
return;
|
|
}
|
|
}
|
|
|
|
bool anyIsExtension = false;
|
|
|
|
int newImplicitParamCount = newMethodInstance->GetImplicitParamCount();
|
|
if (newMethodInstance->mMethodDef->mHasAppend)
|
|
newImplicitParamCount++;
|
|
if (newMethodInstance->mMethodDef->mMethodType == BfMethodType_Extension)
|
|
{
|
|
newImplicitParamCount++;
|
|
anyIsExtension = true;
|
|
}
|
|
|
|
int prevImplicitParamCount = prevMethodInstance->GetImplicitParamCount();
|
|
if (prevMethodInstance->mMethodDef->mHasAppend)
|
|
prevImplicitParamCount++;
|
|
if (prevMethodInstance->mMethodDef->mMethodType == BfMethodType_Extension)
|
|
{
|
|
prevImplicitParamCount++;
|
|
anyIsExtension = true;
|
|
}
|
|
|
|
BfCastFlags implicitCastFlags = ((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp) != 0) ? BfCastFlags_NoConversionOperator : BfCastFlags_None;
|
|
|
|
int newMethodParamCount = newMethodInstance->GetParamCount();
|
|
int prevMethodParamCount = prevMethodInstance->GetParamCount();
|
|
|
|
bool hadEnoughArgs = newMethodParamCount - newImplicitParamCount < (int)mArguments.size();
|
|
bool prevHadEnoughArgs = prevMethodParamCount - prevImplicitParamCount < (int)mArguments.size();
|
|
RETURN_BETTER_OR_WORSE(hadEnoughArgs, prevHadEnoughArgs);
|
|
|
|
bool chainSkip = (newMethodInstance->mChainType == BfMethodChainType_ChainMember) || (newMethodInstance->mChainType == BfMethodChainType_ChainSkip);
|
|
bool prevChainSkip = (prevMethodInstance->mChainType == BfMethodChainType_ChainMember) || (prevMethodInstance->mChainType == BfMethodChainType_ChainSkip);
|
|
RETURN_BETTER_OR_WORSE(!chainSkip, !prevChainSkip);
|
|
|
|
if ((!isBetter) && (!isWorse))
|
|
{
|
|
bool betterByGenericParam = false;
|
|
bool worseByGenericParam = false;
|
|
|
|
bool betterByConstExprParam = false;
|
|
bool worseByConstExprParam = false;
|
|
|
|
bool someArgWasBetter = false;
|
|
bool someArgWasWorse = false;
|
|
|
|
for (argIdx = anyIsExtension ? -1 : 0; argIdx < (int)mArguments.size(); argIdx++)
|
|
{
|
|
BfTypedValue arg;
|
|
BfResolvedArg* resolvedArg = NULL;
|
|
bool wasArgDeferred = false;
|
|
|
|
if (argIdx == -1)
|
|
{
|
|
arg = mTarget;
|
|
}
|
|
else
|
|
{
|
|
resolvedArg = &mArguments[argIdx];
|
|
wasArgDeferred = resolvedArg->mArgFlags != 0;
|
|
arg = resolvedArg->mTypedValue;
|
|
}
|
|
|
|
int newArgIdx = argIdx + newImplicitParamCount;
|
|
int prevArgIdx = argIdx + prevImplicitParamCount;
|
|
|
|
if (newArgIdx >= newMethodParamCount)
|
|
break;
|
|
if (prevArgIdx >= prevMethodParamCount)
|
|
break;
|
|
|
|
bool wasGenericParam = (newArgIdx >= 0) && newMethodInstance->WasGenericParam(newArgIdx);
|
|
bool prevWasGenericParam = (prevArgIdx >= 0) && prevMethodInstance->WasGenericParam(prevArgIdx);
|
|
|
|
BfType* paramType = newMethodInstance->GetParamType(newArgIdx, true);
|
|
BfType* prevParamType = prevMethodInstance->GetParamType(prevArgIdx, true);
|
|
|
|
numUsedParams++;
|
|
prevNumUsedParams++;
|
|
|
|
BfType* origParamType = paramType;
|
|
BfType* origPrevParamType = prevParamType;
|
|
|
|
bool paramWasConstExpr = false;
|
|
bool prevParamWasConstExpr = false;
|
|
|
|
bool paramWasUnspecialized = paramType->IsUnspecializedType();
|
|
if ((genericArgumentsSubstitute != NULL) && (paramWasUnspecialized))
|
|
{
|
|
paramType = mModule->ResolveGenericType(paramType, NULL, genericArgumentsSubstitute, mModule->mCurTypeInstance, allowSpecializeFail);
|
|
paramType = mModule->FixIntUnknown(paramType);
|
|
}
|
|
if ((paramType != NULL) && (paramType->IsConstExprValue()))
|
|
{
|
|
paramWasConstExpr = true;
|
|
paramType = ((BfConstExprValueType*)paramType)->mType;
|
|
}
|
|
|
|
bool prevParamWasUnspecialized = prevParamType->IsUnspecializedType();
|
|
if ((prevGenericArgumentsSubstitute != NULL) && (prevParamWasUnspecialized))
|
|
{
|
|
prevParamType = mModule->ResolveGenericType(prevParamType, NULL, prevGenericArgumentsSubstitute, mModule->mCurTypeInstance, allowSpecializeFail);
|
|
prevParamType = mModule->FixIntUnknown(prevParamType);
|
|
}
|
|
if ((prevParamType != NULL) && (prevParamType->IsConstExprValue()))
|
|
{
|
|
prevParamWasConstExpr = true;
|
|
prevParamType = ((BfConstExprValueType*)prevParamType)->mType;
|
|
}
|
|
|
|
bool paramsEquivalent = paramType == prevParamType;
|
|
|
|
if ((prevParamType == NULL) || (paramType == NULL))
|
|
{
|
|
SET_BETTER_OR_WORSE(paramType != NULL, prevParamType != NULL);
|
|
}
|
|
else if (paramType != prevParamType)
|
|
{
|
|
bool isUnspecializedParam = paramType->IsUnspecializedType();
|
|
bool isPrevUnspecializedParam = prevParamType->IsUnspecializedType();
|
|
SET_BETTER_OR_WORSE((!isUnspecializedParam) && (!paramType->IsVar()),
|
|
(!isPrevUnspecializedParam) && (!prevParamType->IsVar()));
|
|
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp_Explicit) != 0)
|
|
{
|
|
// Pick the one that can implicitly cast
|
|
SET_BETTER_OR_WORSE(
|
|
mModule->CanCast(arg, paramType, implicitCastFlags),
|
|
mModule->CanCast(arg, prevParamType, implicitCastFlags));
|
|
}
|
|
|
|
// Why did we have this !isUnspecializedParam check? We need the 'canCast' logic still
|
|
if ((!isBetter) && (!isWorse) /*&& (!isUnspecializedParam) && (!isPrevUnspecializedParam)*/)
|
|
{
|
|
SET_BETTER_OR_WORSE((paramType != NULL) && (!paramType->IsUnspecializedType()),
|
|
(prevParamType != NULL) && (!prevParamType->IsUnspecializedType()));
|
|
if ((!isBetter) && (!isWorse))
|
|
{
|
|
// The resolved argument type may actually match for both considered functions. IE:
|
|
// Method(int8 val) and Method(int16 val) called with Method(0) will create arguments that match their param types
|
|
if ((!wasArgDeferred) && (!wasGenericParam) && (IsType(arg, paramType)) && ((resolvedArg == NULL) || (prevParamType != resolvedArg->mBestBoundType)))
|
|
isBetter = true;
|
|
//else if ((!prevWasGenericParam) && (IsType(arg, prevParamType)) && (!IsType(arg, paramType)))
|
|
else if ((!wasArgDeferred) && (!prevWasGenericParam) && (IsType(arg, prevParamType)) && ((resolvedArg == NULL) || (paramType != resolvedArg->mBestBoundType)))
|
|
isWorse = true;
|
|
else
|
|
{
|
|
bool canCastFromCurToPrev = mModule->CanCast(mModule->GetFakeTypedValue(paramType), prevParamType, implicitCastFlags);
|
|
bool canCastFromPrevToCur = mModule->CanCast(mModule->GetFakeTypedValue(prevParamType), paramType, implicitCastFlags);
|
|
|
|
if ((canCastFromCurToPrev) && (canCastFromPrevToCur))
|
|
paramsEquivalent = true;
|
|
|
|
if ((canCastFromCurToPrev) && (!canCastFromPrevToCur))
|
|
isBetter = true;
|
|
else if ((canCastFromPrevToCur) && (!canCastFromCurToPrev))
|
|
isWorse = true;
|
|
else if ((paramType->IsIntegral()) && (prevParamType->IsIntegral()))
|
|
{
|
|
if (paramType == arg.mType)
|
|
isBetter = true;
|
|
else if (prevParamType == arg.mType)
|
|
isWorse = true;
|
|
else
|
|
{
|
|
if (paramType->mSize < prevParamType->mSize)
|
|
isBetter = true;
|
|
else if (paramType->mSize > prevParamType->mSize)
|
|
isWorse = true;
|
|
else if (paramType->IsSigned())
|
|
isBetter = true;
|
|
else
|
|
isWorse = true;
|
|
}
|
|
}
|
|
else if ((wasArgDeferred) && ((paramType->IsIntegral()) || (prevParamType->IsIntegral())))
|
|
{
|
|
SET_BETTER_OR_WORSE(paramType->IsIntegral(), prevParamType->IsIntegral());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((!isBetter) && (!isWorse) && (paramsEquivalent))
|
|
{
|
|
if ((origParamType != origPrevParamType) && (paramWasConstExpr) && (!prevParamWasConstExpr))
|
|
betterByConstExprParam = true;
|
|
else if ((origParamType != origPrevParamType) && (!paramWasConstExpr) && (prevParamWasConstExpr))
|
|
worseByConstExprParam = true;
|
|
else if (((paramWasUnspecialized) || (prevParamWasUnspecialized)))
|
|
{
|
|
int origTypeMoreSpecific = GetMostSpecificType(origParamType, origPrevParamType);
|
|
if (origTypeMoreSpecific == 0)
|
|
betterByGenericParam = true;
|
|
else if (origTypeMoreSpecific == 1)
|
|
worseByGenericParam = true;
|
|
}
|
|
}
|
|
|
|
if ((!isBetter) && (!isWorse) && (paramType->IsRef()) && (prevParamType->IsRef()))
|
|
{
|
|
auto refType = (BfRefType*)paramType;
|
|
auto prevRefType = (BfRefType*)prevParamType;
|
|
|
|
// Prefer 'out' to 'ref'
|
|
SET_BETTER_OR_WORSE(
|
|
(refType->mRefKind == BfRefType::RefKind_Out) && (prevRefType->mRefKind == BfRefType::RefKind_Ref),
|
|
(refType->mRefKind == BfRefType::RefKind_Ref) && (prevRefType->mRefKind == BfRefType::RefKind_Out));
|
|
}
|
|
|
|
if ((newArgIdx >= 0) && (newMethodInstance->GetParamKind(newArgIdx) == BfParamKind_Params))
|
|
usedExtendedForm = true;
|
|
if ((prevArgIdx >= 0) && (prevMethodInstance->GetParamKind(prevArgIdx) == BfParamKind_Params))
|
|
prevUsedExtendedForm = true;
|
|
|
|
if ((usedExtendedForm) || (prevUsedExtendedForm))
|
|
break;
|
|
|
|
someArgWasBetter |= isBetter;
|
|
someArgWasWorse |= isWorse;
|
|
isBetter = false;
|
|
isWorse = false;
|
|
}
|
|
isBetter |= someArgWasBetter;
|
|
isWorse |= someArgWasWorse;
|
|
|
|
if ((!isBetter) && (!isWorse))
|
|
{
|
|
// Don't allow ambiguity
|
|
if ((betterByGenericParam && !worseByGenericParam) ||
|
|
(!betterByGenericParam && worseByGenericParam))
|
|
{
|
|
isBetter = betterByGenericParam;
|
|
isWorse = worseByGenericParam;
|
|
}
|
|
}
|
|
|
|
if ((!isBetter) && (!isWorse))
|
|
{
|
|
// Don't allow ambiguity
|
|
if ((betterByConstExprParam && !worseByConstExprParam) ||
|
|
(!betterByConstExprParam && worseByConstExprParam))
|
|
{
|
|
isBetter = betterByConstExprParam;
|
|
isWorse = worseByConstExprParam;
|
|
}
|
|
}
|
|
|
|
if ((isBetter) || (isWorse))
|
|
{
|
|
RETURN_RESULTS;
|
|
}
|
|
}
|
|
|
|
// Choose by return type for conversion operators
|
|
if (((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp) != 0) && (!isBetter) && (!isWorse))
|
|
{
|
|
auto returnType = newMethodInstance->mReturnType;
|
|
auto prevReturnType = prevMethodInstance->mReturnType;
|
|
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp_Explicit) != 0)
|
|
{
|
|
// Pick the one that can implicitly cast
|
|
SET_BETTER_OR_WORSE(
|
|
mModule->CanCast(mModule->GetFakeTypedValue(returnType), mCheckReturnType, implicitCastFlags),
|
|
mModule->CanCast(mModule->GetFakeTypedValue(prevReturnType), mCheckReturnType, implicitCastFlags));
|
|
}
|
|
|
|
if ((!isBetter) && (!isWorse))
|
|
{
|
|
bool canCastFromCurToPrev = mModule->CanCast(mModule->GetFakeTypedValue(returnType), prevReturnType, implicitCastFlags);
|
|
bool canCastFromPrevToCur = mModule->CanCast(mModule->GetFakeTypedValue(prevReturnType), returnType, implicitCastFlags);
|
|
|
|
if ((canCastFromCurToPrev) && (!canCastFromPrevToCur))
|
|
isWorse = true;
|
|
else if ((canCastFromPrevToCur) && (!canCastFromCurToPrev))
|
|
isBetter = true;
|
|
}
|
|
|
|
if ((isBetter) || (isWorse))
|
|
{
|
|
RETURN_RESULTS;
|
|
}
|
|
}
|
|
|
|
// Check for unused extended params as next param - that still counts as using extended form
|
|
usedExtendedForm = newMethodInstance->HasParamsArray();
|
|
prevUsedExtendedForm = prevMethodInstance->HasParamsArray();
|
|
|
|
RETURN_BETTER_OR_WORSE(newMethodInstance->GetNumGenericArguments() == 0, prevMethodInstance->GetNumGenericArguments() == 0);
|
|
|
|
// Not using generic delegate params is better
|
|
RETURN_BETTER_OR_WORSE(!newMethodInstance->mHadGenericDelegateParams, !prevMethodInstance->mHadGenericDelegateParams);
|
|
|
|
// Normal form trumps extended form
|
|
RETURN_BETTER_OR_WORSE(!usedExtendedForm, !prevUsedExtendedForm);
|
|
|
|
// More used params trumps less params
|
|
int paramDiff = (int) numUsedParams - (int) prevNumUsedParams;
|
|
RETURN_BETTER_OR_WORSE(paramDiff > 0, paramDiff < 0);
|
|
|
|
// Fewer defaults trumps more defaults
|
|
// Since we know the number of used params is the same (previous check), we infer that the rest are defaults
|
|
paramDiff = (int) newMethodInstance->GetParamCount() - (int) prevMethodInstance->GetParamCount();
|
|
RETURN_BETTER_OR_WORSE(paramDiff < 0, paramDiff > 0);
|
|
|
|
BfMethodInstance* typeUnspecNewMethodInstance = mModule->GetUnspecializedMethodInstance(newMethodInstance, true);
|
|
BfMethodInstance* typeUnspecPrevMethodInstance = mModule->GetUnspecializedMethodInstance(prevMethodInstance, true);
|
|
|
|
// Check specificity of args
|
|
|
|
std::function<void(BfType*, BfType*)> _CompareParamTypes = [&](BfType* newType, BfType* prevType)
|
|
{
|
|
if ((newType->IsGenericParam()) && (prevType->IsGenericParam()))
|
|
{
|
|
auto newGenericParamType = (BfGenericParamType*)newType;
|
|
auto prevGenericParamType = (BfGenericParamType*)prevType;
|
|
if ((newGenericParamType->mGenericParamKind == BfGenericParamKind_Method) && (prevGenericParamType->mGenericParamKind == BfGenericParamKind_Method))
|
|
{
|
|
auto newMethodGenericParam = typeUnspecNewMethodInstance->mMethodInfoEx->mGenericParams[newGenericParamType->mGenericParamIdx];
|
|
auto prevMethodGenericParam = typeUnspecPrevMethodInstance->mMethodInfoEx->mGenericParams[prevGenericParamType->mGenericParamIdx];
|
|
SET_BETTER_OR_WORSE(mModule->AreConstraintsSubset(prevMethodGenericParam, newMethodGenericParam), mModule->AreConstraintsSubset(newMethodGenericParam, prevMethodGenericParam));
|
|
}
|
|
}
|
|
else if (newType == prevType)
|
|
{
|
|
if ((newType->IsUnspecializedType()) && (newType->IsGenericTypeInstance()))
|
|
{
|
|
BfTypeInstance* newGenericType = (BfTypeInstance*)newType;
|
|
BfTypeInstance* prevGenericType = (BfTypeInstance*)prevType;
|
|
|
|
for (int genericArgIdx = 0; genericArgIdx < (int)newGenericType->mGenericTypeInfo->mTypeGenericArguments.size(); genericArgIdx++)
|
|
{
|
|
_CompareParamTypes(newGenericType->mGenericTypeInfo->mTypeGenericArguments[genericArgIdx], prevGenericType->mGenericTypeInfo->mTypeGenericArguments[genericArgIdx]);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
//TODO: Why did we need this?
|
|
//isBetter |= mModule->IsTypeMoreSpecific(newType, prevType);
|
|
//isWorse |= mModule->IsTypeMoreSpecific(prevType, newType);
|
|
}
|
|
};
|
|
|
|
int paramCheckCount = (int)BF_MIN(newMethodInstance->GetParamCount() - newImplicitParamCount, prevMethodInstance->GetParamCount() - prevImplicitParamCount);
|
|
for (argIdx = 0; argIdx < (int)paramCheckCount/*mArguments.size()*/; argIdx++)
|
|
{
|
|
int newArgIdx = argIdx + newImplicitParamCount;
|
|
int prevArgIdx = argIdx + prevImplicitParamCount;
|
|
_CompareParamTypes(typeUnspecNewMethodInstance->GetParamType(newArgIdx), typeUnspecPrevMethodInstance->GetParamType(prevArgIdx));
|
|
}
|
|
|
|
// Do generic constraint subset test directly to handle cases like "NotDisposed<T>()" vs "NotDisposed<T>() where T : IDisposable"
|
|
if ((newMethodInstance->GetNumGenericArguments() > 0) && (newMethodInstance->GetNumGenericArguments() == prevMethodInstance->GetNumGenericArguments()))
|
|
{
|
|
for (int genericParamIdx = 0; genericParamIdx < (int)newMethodInstance->GetNumGenericArguments(); genericParamIdx++)
|
|
{
|
|
auto newMethodGenericParam = newMethodInstance->mMethodInfoEx->mGenericParams[genericParamIdx];
|
|
auto prevMethodGenericParam = prevMethodInstance->mMethodInfoEx->mGenericParams[genericParamIdx];
|
|
SET_BETTER_OR_WORSE(mModule->AreConstraintsSubset(prevMethodGenericParam, newMethodGenericParam), mModule->AreConstraintsSubset(newMethodGenericParam, prevMethodGenericParam));
|
|
}
|
|
|
|
if ((!isBetter) && (!isWorse))
|
|
{
|
|
SET_BETTER_OR_WORSE(newMethodInstance->HasExternConstraints(), prevMethodInstance->HasExternConstraints());
|
|
}
|
|
}
|
|
|
|
if ((isBetter) || (isWorse))
|
|
{
|
|
RETURN_RESULTS;
|
|
}
|
|
|
|
// For operators, prefer explicit comparison over '<=>' comparison operator
|
|
if ((!isBetter) && (!isWorse))
|
|
{
|
|
if ((prevMethodDef->mIsOperator) && (newMethodDef->mIsOperator))
|
|
{
|
|
bool newIsComparison = ((BfOperatorDeclaration*)newMethodDef->mMethodDeclaration)->mBinOp == BfBinaryOp_Compare;
|
|
bool prevIsComparison = ((BfOperatorDeclaration*)prevMethodDef->mMethodDeclaration)->mBinOp == BfBinaryOp_Compare;
|
|
RETURN_BETTER_OR_WORSE(!newIsComparison, !prevIsComparison);
|
|
}
|
|
}
|
|
|
|
if ((newMethodInstance->mMethodDef->mExternalConstraints.size() != 0) || (prevMethodInstance->mMethodDef->mExternalConstraints.size() != 0))
|
|
{
|
|
struct GenericParamPair
|
|
{
|
|
BfGenericMethodParamInstance* mParams[2];
|
|
GenericParamPair()
|
|
{
|
|
mParams[0] = NULL;
|
|
mParams[1] = NULL;
|
|
}
|
|
};
|
|
|
|
Dictionary<BfType*, GenericParamPair> externConstraints;
|
|
|
|
auto _GetParams = [&](int idx, BfMethodInstance* methodInstance)
|
|
{
|
|
for (int externConstraintIdx = 0; externConstraintIdx < (int)methodInstance->mMethodDef->mExternalConstraints.size(); externConstraintIdx++)
|
|
{
|
|
auto genericParam = methodInstance->mMethodInfoEx->mGenericParams[methodInstance->mMethodDef->mGenericParams.size() + externConstraintIdx];
|
|
BF_ASSERT(genericParam->mExternType != NULL);
|
|
GenericParamPair* pairPtr = NULL;
|
|
externConstraints.TryAdd(genericParam->mExternType, NULL, &pairPtr);
|
|
pairPtr->mParams[idx] = genericParam;
|
|
}
|
|
};
|
|
|
|
_GetParams(0, newMethodInstance);
|
|
_GetParams(1, prevMethodInstance);
|
|
|
|
for (auto kv : externConstraints)
|
|
{
|
|
SET_BETTER_OR_WORSE(mModule->AreConstraintsSubset(kv.mValue.mParams[1], kv.mValue.mParams[0]), mModule->AreConstraintsSubset(kv.mValue.mParams[0], kv.mValue.mParams[1]));
|
|
}
|
|
|
|
if ((isBetter) || (isWorse))
|
|
{
|
|
RETURN_RESULTS;
|
|
}
|
|
}
|
|
|
|
// Does one have a body and one doesn't? Obvious!
|
|
isBetter = prevMethodDef->IsEmptyPartial();
|
|
isWorse = newMethodDef->IsEmptyPartial();
|
|
if ((isBetter) && (isWorse))
|
|
{
|
|
// If both are empty partials then just bind to either
|
|
isWorse = true;
|
|
RETURN_RESULTS;
|
|
}
|
|
|
|
// For extensions, select the version in the most-specific project (only applicable for ctors)
|
|
if ((!isBetter) && (!isWorse))
|
|
{
|
|
auto newProject = newMethodDef->mDeclaringType->mProject;
|
|
auto prevProject = prevMethodDef->mDeclaringType->mProject;
|
|
if (newProject != prevProject)
|
|
{
|
|
RETURN_BETTER_OR_WORSE(newProject->ContainsReference(prevProject), prevProject->ContainsReference(newProject));
|
|
}
|
|
}
|
|
|
|
// If we have conditional type extensions that both define an implementation for a method, use the most-specific conditional extension constraints
|
|
auto owner = newMethodInstance->GetOwner();
|
|
if ((newMethodDef->mDeclaringType != prevMethodDef->mDeclaringType) && (owner->IsGenericTypeInstance()))
|
|
{
|
|
auto genericOwner = (BfTypeInstance*)owner;
|
|
if (genericOwner->mGenericTypeInfo->mGenericExtensionInfo != NULL)
|
|
{
|
|
BfGenericExtensionEntry* newGenericExtesionEntry = NULL;
|
|
BfGenericExtensionEntry* prevGenericExtesionEntry = NULL;
|
|
if ((genericOwner->mGenericTypeInfo->mGenericExtensionInfo->mExtensionMap.TryGetValue(newMethodDef->mDeclaringType, &newGenericExtesionEntry)) &&
|
|
(genericOwner->mGenericTypeInfo->mGenericExtensionInfo->mExtensionMap.TryGetValue(prevMethodDef->mDeclaringType, &prevGenericExtesionEntry)))
|
|
{
|
|
if ((newGenericExtesionEntry->mGenericParams.size() == prevGenericExtesionEntry->mGenericParams.size()))
|
|
{
|
|
for (int genericParamIdx = 0; genericParamIdx < (int)newGenericExtesionEntry->mGenericParams.size(); genericParamIdx++)
|
|
{
|
|
auto newMethodGenericParam = newGenericExtesionEntry->mGenericParams[genericParamIdx];
|
|
auto prevMethodGenericParam = prevGenericExtesionEntry->mGenericParams[genericParamIdx];
|
|
SET_BETTER_OR_WORSE(mModule->AreConstraintsSubset(prevMethodGenericParam, newMethodGenericParam), mModule->AreConstraintsSubset(newMethodGenericParam, prevMethodGenericParam));
|
|
}
|
|
}
|
|
|
|
if ((isBetter) || (isWorse))
|
|
{
|
|
RETURN_RESULTS;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
RETURN_BETTER_OR_WORSE(newMethodDef->mCheckedKind == mCheckedKind, prevMethodDef->mCheckedKind == mCheckedKind);
|
|
RETURN_BETTER_OR_WORSE(newMethodDef->mCommutableKind != BfCommutableKind_Reverse, prevMethodDef->mCommutableKind != BfCommutableKind_Reverse);
|
|
|
|
// If one of these methods is local to the current extension then choose that one
|
|
auto activeDef = mModule->GetActiveTypeDef();
|
|
RETURN_BETTER_OR_WORSE(newMethodDef->mDeclaringType == activeDef, prevMethodDef->mDeclaringType == activeDef);
|
|
RETURN_BETTER_OR_WORSE(newMethodDef->mDeclaringType->IsExtension(), prevMethodDef->mDeclaringType->IsExtension());
|
|
RETURN_BETTER_OR_WORSE(newMethodDef->mIsMutating, prevMethodDef->mIsMutating);
|
|
if (newMethodDef->mHasComptime != prevMethodDef->mHasComptime)
|
|
{
|
|
bool isComptime = (mModule->mIsComptimeModule) || ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0);
|
|
RETURN_BETTER_OR_WORSE(newMethodDef->mHasComptime == isComptime, prevMethodDef->mHasComptime == isComptime);
|
|
}
|
|
|
|
RETURN_RESULTS;
|
|
}
|
|
|
|
BfTypedValue BfMethodMatcher::ResolveArgTypedValue(BfResolvedArg& resolvedArg, BfType* checkType, BfTypeVector* genericArgumentsSubstitute, BfType *origCheckType, BfResolveArgFlags flags)
|
|
{
|
|
BfTypedValue argTypedValue = resolvedArg.mTypedValue;
|
|
if ((resolvedArg.mArgFlags & BfArgFlag_DelegateBindAttempt) != 0)
|
|
{
|
|
BfExprEvaluator exprEvaluator(mModule);
|
|
exprEvaluator.mExpectingType = checkType;
|
|
BF_ASSERT(resolvedArg.mExpression->IsA<BfDelegateBindExpression>());
|
|
auto delegateBindExpr = BfNodeDynCast<BfDelegateBindExpression>(resolvedArg.mExpression);
|
|
BfMethodInstance* boundMethodInstance = NULL;
|
|
|
|
auto bindType = checkType;
|
|
if ((bindType == NULL) && (origCheckType != NULL) && (!origCheckType->IsUnspecializedTypeVariation()))
|
|
bindType = checkType;
|
|
if (exprEvaluator.CanBindDelegate(delegateBindExpr, &boundMethodInstance, bindType, genericArgumentsSubstitute))
|
|
{
|
|
if (delegateBindExpr->mNewToken == NULL)
|
|
{
|
|
if (boundMethodInstance->GetOwner()->IsFunction())
|
|
{
|
|
return BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), boundMethodInstance->GetOwner());
|
|
}
|
|
else if ((boundMethodInstance->mDisallowCalling) || ((flags & BfResolveArgFlag_FromGeneric) == 0))
|
|
{
|
|
argTypedValue = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), checkType);
|
|
}
|
|
else
|
|
{
|
|
resolvedArg.mExpectedType = checkType;
|
|
auto methodRefType = mModule->CreateMethodRefType(boundMethodInstance);
|
|
mModule->AddDependency(methodRefType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_Calls);
|
|
mModule->AddCallDependency(boundMethodInstance);
|
|
argTypedValue = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), methodRefType);
|
|
}
|
|
}
|
|
else
|
|
argTypedValue = BfTypedValue(BfTypedValueKind_UntypedValue);
|
|
}
|
|
}
|
|
else if ((resolvedArg.mArgFlags & BfArgFlag_LambdaBindAttempt) != 0)
|
|
{
|
|
if ((argTypedValue) && (argTypedValue.mType->IsMethodRef()) &&
|
|
((checkType == NULL) || (!checkType->IsMethodRef())))
|
|
{
|
|
// This may be from a previous checkMethod, clear it out
|
|
argTypedValue = BfTypedValue();
|
|
}
|
|
|
|
BfExprEvaluator exprEvaluator(mModule);
|
|
exprEvaluator.mExpectingType = checkType;
|
|
BF_ASSERT(resolvedArg.mExpression->IsA<BfLambdaBindExpression>());
|
|
auto lambdaBindExpr = (BfLambdaBindExpression*)resolvedArg.mExpression;
|
|
|
|
if ((checkType != NULL) && (checkType->IsDelegate()))
|
|
{
|
|
BfMethodInstance* methodInstance = mModule->GetRawMethodInstanceAtIdx(checkType->ToTypeInstance(), 0, "Invoke");
|
|
if (methodInstance != NULL)
|
|
{
|
|
if (methodInstance->GetParamCount() == (int)lambdaBindExpr->mParams.size())
|
|
{
|
|
if (lambdaBindExpr->mNewToken == NULL)
|
|
{
|
|
if (!resolvedArg.mTypedValue)
|
|
{
|
|
// Resolve for real
|
|
resolvedArg.mTypedValue = mModule->CreateValueFromExpression(lambdaBindExpr, checkType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_NoAutoComplete));
|
|
}
|
|
argTypedValue = resolvedArg.mTypedValue;
|
|
}
|
|
else
|
|
argTypedValue = BfTypedValue(BfTypedValueKind_UntypedValue);
|
|
//argTypedValue = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), checkType);
|
|
}
|
|
}
|
|
}
|
|
else if ((checkType == NULL) && (origCheckType != NULL) && (origCheckType->IsUnspecializedTypeVariation()) && (genericArgumentsSubstitute != NULL) && (origCheckType->IsDelegateOrFunction()))
|
|
{
|
|
BfMethodInstance* methodInstance = mModule->GetRawMethodInstanceAtIdx(origCheckType->ToTypeInstance(), 0, "Invoke");
|
|
if (methodInstance != NULL)
|
|
{
|
|
if ((methodInstance->mReturnType->IsGenericParam()) && (((BfGenericParamType*)methodInstance->mReturnType)->mGenericParamKind == BfGenericParamKind_Method))
|
|
{
|
|
bool isValid = true;
|
|
|
|
int returnMethodGenericArgIdx = ((BfGenericParamType*)methodInstance->mReturnType)->mGenericParamIdx;
|
|
if ((*genericArgumentsSubstitute)[returnMethodGenericArgIdx] != NULL)
|
|
{
|
|
isValid = false;
|
|
}
|
|
|
|
if (methodInstance->mParams.size() != (int)lambdaBindExpr->mParams.size())
|
|
isValid = false;
|
|
|
|
for (auto& param : methodInstance->mParams)
|
|
{
|
|
if (param.mResolvedType->IsGenericParam())
|
|
{
|
|
auto genericParamType = (BfGenericParamType*)param.mResolvedType;
|
|
if ((genericParamType->mGenericParamKind == BfGenericParamKind_Method) && ((*genericArgumentsSubstitute)[genericParamType->mGenericParamIdx] == NULL))
|
|
{
|
|
isValid = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isValid)
|
|
{
|
|
bool success = false;
|
|
|
|
(*genericArgumentsSubstitute)[returnMethodGenericArgIdx] = mModule->GetPrimitiveType(BfTypeCode_None);
|
|
auto tryType = mModule->ResolveGenericType(origCheckType, NULL, genericArgumentsSubstitute, mModule->mCurTypeInstance);
|
|
if (tryType != NULL)
|
|
{
|
|
auto inferredReturnType = mModule->CreateValueFromExpression(lambdaBindExpr, tryType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_InferReturnType | BfEvalExprFlags_NoAutoComplete));
|
|
if (inferredReturnType.mType != NULL)
|
|
{
|
|
(*genericArgumentsSubstitute)[returnMethodGenericArgIdx] = inferredReturnType.mType;
|
|
|
|
if (((flags & BfResolveArgFlag_FromGenericParam) != 0) && (lambdaBindExpr->mNewToken == NULL))
|
|
{
|
|
auto resolvedType = mModule->ResolveGenericType(origCheckType, NULL, genericArgumentsSubstitute, mModule->mCurTypeInstance);
|
|
if (resolvedType != NULL)
|
|
{
|
|
// Resolve for real
|
|
resolvedArg.mTypedValue = mModule->CreateValueFromExpression(lambdaBindExpr, resolvedType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_NoAutoComplete));
|
|
argTypedValue = resolvedArg.mTypedValue;
|
|
}
|
|
}
|
|
|
|
success = true;
|
|
}
|
|
}
|
|
|
|
if (!success)
|
|
{
|
|
// Put back
|
|
(*genericArgumentsSubstitute)[returnMethodGenericArgIdx] = NULL;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if ((resolvedArg.mArgFlags & BfArgFlag_UnqualifiedDotAttempt) != 0)
|
|
{
|
|
if ((checkType != NULL) && (checkType->IsPayloadEnum()))
|
|
{
|
|
// Should we actually check the member name?
|
|
argTypedValue = BfTypedValue(BfTypedValueKind_UntypedValue);
|
|
}
|
|
}
|
|
else if ((resolvedArg.mArgFlags & BfArgFlag_UntypedDefault) != 0)
|
|
{
|
|
if (checkType != NULL)
|
|
argTypedValue = BfTypedValue(BfTypedValueKind_UntypedValue);
|
|
}
|
|
else if ((resolvedArg.mArgFlags & BfArgFlag_DeferredEval) != 0)
|
|
{
|
|
if (resolvedArg.mExpression != NULL)
|
|
{
|
|
if ((resolvedArg.mExpectedType != checkType) || (resolvedArg.mExpectedType == NULL)) // Did our last check match for this type?
|
|
{
|
|
SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
|
|
SetAndRestoreValue<bool> prevIgnoreError(mModule->mIgnoreErrors, true);
|
|
|
|
bool prevNoBind = false;
|
|
if (mModule->mCurMethodState != NULL)
|
|
{
|
|
prevNoBind = mModule->mCurMethodState->mNoBind;
|
|
mModule->mCurMethodState->mNoBind = true;
|
|
}
|
|
|
|
auto prevBlock = mModule->mBfIRBuilder->GetInsertBlock();
|
|
|
|
BfExprEvaluator exprEvaluator(mModule);
|
|
exprEvaluator.mBfEvalExprFlags = (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags);
|
|
exprEvaluator.mBfEvalExprFlags = (BfEvalExprFlags)(exprEvaluator.mBfEvalExprFlags | BfEvalExprFlags_AllowIntUnknown | BfEvalExprFlags_AllowRefExpr | BfEvalExprFlags_NoAutoComplete);
|
|
if ((resolvedArg.mArgFlags & BfArgFlag_ParamsExpr) != 0)
|
|
exprEvaluator.mBfEvalExprFlags = (BfEvalExprFlags)(exprEvaluator.mBfEvalExprFlags | BfEvalExprFlags_AllowParamsExpr);
|
|
|
|
auto expectType = checkType;
|
|
if (expectType != NULL)
|
|
{
|
|
if (expectType->IsRef())
|
|
{
|
|
auto refType = (BfRefType*)expectType;
|
|
expectType = refType->mElementType;
|
|
}
|
|
|
|
if ((genericArgumentsSubstitute != NULL) && (expectType->IsUnspecializedType()))
|
|
expectType = mModule->ResolveGenericType(expectType, NULL, genericArgumentsSubstitute, mModule->mCurTypeInstance, true);
|
|
}
|
|
|
|
exprEvaluator.mExpectingType = expectType;
|
|
exprEvaluator.Evaluate(resolvedArg.mExpression);
|
|
argTypedValue = exprEvaluator.GetResult();
|
|
if ((argTypedValue) && (argTypedValue.mType->IsVar()))
|
|
argTypedValue = BfTypedValue();
|
|
|
|
if (mModule->mCurMethodState != NULL)
|
|
mModule->mCurMethodState->mNoBind = prevNoBind;
|
|
|
|
if ((argTypedValue) && (!argTypedValue.mType->IsVar()))
|
|
{
|
|
if (checkType != NULL)
|
|
resolvedArg.mExpectedType = checkType;
|
|
|
|
auto storeTypedValue = argTypedValue;
|
|
if ((storeTypedValue.mValue) & (!storeTypedValue.mValue.IsFake()))
|
|
{
|
|
// We actually want to ensure that this cached value is a fake val. There are potential cases where a fake val
|
|
// won't be generated but we should throw an error, so we need to make sure we actually re-evaluate when the call
|
|
// is generated
|
|
//storeTypedValue.mValue = mModule->mBfIRBuilder->GetFakeVal();
|
|
|
|
resolvedArg.mWantsRecalc = true;
|
|
}
|
|
resolvedArg.mTypedValue = storeTypedValue;
|
|
|
|
//BF_ASSERT(argTypedValue.mValue.mId != -1);
|
|
}
|
|
|
|
mModule->mBfIRBuilder->SetInsertPoint(prevBlock);
|
|
}
|
|
}
|
|
}
|
|
else if ((resolvedArg.mArgFlags & BfArgFlag_VariableDeclaration) != 0)
|
|
{
|
|
if ((checkType != NULL) && (checkType->IsRef()))
|
|
argTypedValue = BfTypedValue(BfTypedValueKind_UntypedValue);
|
|
}
|
|
|
|
return argTypedValue;
|
|
}
|
|
|
|
bool BfMethodMatcher::WantsCheckMethod(BfProtectionCheckFlags& flags, BfTypeInstance* startTypeInstance, BfTypeInstance* checkTypeInstance, BfMethodDef* checkMethod)
|
|
{
|
|
MatchFailKind matchFailKind = MatchFailKind_None;
|
|
if (!mModule->CheckProtection(flags, checkTypeInstance, checkMethod->mDeclaringType->mProject, checkMethod->mProtection, startTypeInstance))
|
|
{
|
|
if ((mBypassVirtual) &&
|
|
((checkMethod->mProtection == BfProtection_Protected) || (checkMethod->mProtection == BfProtection_ProtectedInternal)) &&
|
|
(mModule->TypeIsSubTypeOf(mModule->mCurTypeInstance, startTypeInstance)))
|
|
{
|
|
// Allow explicit 'base' call
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (mCheckedKind != checkMethod->mCheckedKind)
|
|
{
|
|
bool passes = true;
|
|
if (mCheckedKind != BfCheckedKind_NotSet)
|
|
{
|
|
passes = false;
|
|
}
|
|
else
|
|
{
|
|
auto defaultCheckedKind = mModule->GetDefaultCheckedKind();
|
|
if (defaultCheckedKind != checkMethod->mCheckedKind)
|
|
passes = false;
|
|
}
|
|
if (!passes)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool BfMethodMatcher::InferFromGenericConstraints(BfMethodInstance* methodInstance, BfGenericParamInstance* genericParamInst, BfTypeVector* methodGenericArgs)
|
|
{
|
|
if (!genericParamInst->mExternType->IsGenericParam())
|
|
return false;
|
|
|
|
auto genericParamType = (BfGenericParamType*)genericParamInst->mExternType;
|
|
if (genericParamType->mGenericParamKind != BfGenericParamKind_Method)
|
|
return false;
|
|
|
|
BfType* checkArgType = NULL;
|
|
|
|
for (auto& checkOpConstraint : genericParamInst->mOperatorConstraints)
|
|
{
|
|
auto leftType = checkOpConstraint.mLeftType;
|
|
if ((leftType != NULL) && (leftType->IsUnspecializedType()))
|
|
leftType = mModule->ResolveGenericType(leftType, NULL, methodGenericArgs, mModule->mCurTypeInstance);
|
|
if (leftType != NULL)
|
|
leftType = mModule->FixIntUnknown(leftType);
|
|
|
|
auto rightType = checkOpConstraint.mRightType;
|
|
if ((rightType != NULL) && (rightType->IsUnspecializedType()))
|
|
rightType = mModule->ResolveGenericType(rightType, NULL, methodGenericArgs, mModule->mCurTypeInstance);
|
|
if (rightType != NULL)
|
|
rightType = mModule->FixIntUnknown(rightType);
|
|
|
|
BfConstraintState constraintSet;
|
|
constraintSet.mPrevState = mModule->mContext->mCurConstraintState;
|
|
constraintSet.mGenericParamInstance = genericParamInst;
|
|
constraintSet.mLeftType = leftType;
|
|
constraintSet.mRightType = rightType;
|
|
SetAndRestoreValue<BfConstraintState*> prevConstraintSet(mModule->mContext->mCurConstraintState, &constraintSet);
|
|
if (!mModule->CheckConstraintState(NULL))
|
|
return false;
|
|
|
|
if (checkOpConstraint.mBinaryOp != BfBinaryOp_None)
|
|
{
|
|
if ((leftType == NULL) || (rightType == NULL))
|
|
continue;
|
|
|
|
BfExprEvaluator exprEvaluator(mModule);
|
|
|
|
BfTypedValue leftValue(mModule->mBfIRBuilder->GetFakeVal(), leftType);
|
|
BfTypedValue rightValue(mModule->mBfIRBuilder->GetFakeVal(), rightType);
|
|
|
|
//
|
|
{
|
|
SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, true);
|
|
SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
|
|
exprEvaluator.PerformBinaryOperation(NULL, NULL, checkOpConstraint.mBinaryOp, NULL, BfBinOpFlag_NoClassify, leftValue, rightValue);
|
|
}
|
|
|
|
if (exprEvaluator.mResult)
|
|
checkArgType = exprEvaluator.mResult.mType;
|
|
}
|
|
else
|
|
{
|
|
if (rightType == NULL)
|
|
continue;
|
|
|
|
BfTypedValue rightValue(mModule->mBfIRBuilder->GetFakeVal(), rightType);
|
|
|
|
StringT<128> failedOpName;
|
|
|
|
if (checkOpConstraint.mCastToken == BfToken_Implicit)
|
|
{
|
|
}
|
|
else
|
|
{
|
|
SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, true);
|
|
SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
|
|
|
|
if (checkOpConstraint.mCastToken == BfToken_Explicit)
|
|
{
|
|
}
|
|
else
|
|
{
|
|
BfExprEvaluator exprEvaluator(mModule);
|
|
exprEvaluator.mResult = rightValue;
|
|
exprEvaluator.PerformUnaryOperation(NULL, checkOpConstraint.mUnaryOp, NULL, BfUnaryOpFlag_IsConstraintCheck);
|
|
|
|
if (exprEvaluator.mResult)
|
|
checkArgType = exprEvaluator.mResult.mType;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((checkArgType == NULL) && ((genericParamInst->mGenericParamFlags & BfGenericParamFlag_ComptypeExpr) != 0))
|
|
{
|
|
for (auto comptypeConstraint : genericParamInst->mComptypeConstraint)
|
|
{
|
|
checkArgType = mModule->ResolveGenericMethodTypeRef(comptypeConstraint, methodInstance, genericParamInst, methodGenericArgs);
|
|
if (checkArgType == NULL)
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (checkArgType == NULL)
|
|
return false;
|
|
if (checkArgType->IsVar())
|
|
return false;
|
|
|
|
(*methodGenericArgs)[genericParamType->mGenericParamIdx] = checkArgType;
|
|
return true;
|
|
}
|
|
|
|
bool BfMethodMatcher::CheckMethod(BfTypeInstance* targetTypeInstance, BfTypeInstance* typeInstance, BfMethodDef* checkMethod, bool isFailurePass)
|
|
{
|
|
BP_ZONE("BfMethodMatcher::CheckMethod");
|
|
|
|
BackupMatchKind curMatchKind = BackupMatchKind_None;
|
|
bool hadMatch = false;
|
|
|
|
// Never consider overrides - they only get found at original method declaration
|
|
// mBypassVirtual gets set when we are doing an explicit "base" call, or when we are a struct --
|
|
// because on structs we know the exact type
|
|
if ((checkMethod->mIsOverride) && (!mBypassVirtual) && (!typeInstance->IsValueType()))
|
|
return false;
|
|
|
|
mMethodCheckCount++;
|
|
|
|
BfMethodInstance* methodInstance = mModule->GetRawMethodInstance(typeInstance, checkMethod);
|
|
if (methodInstance == NULL)
|
|
return false;
|
|
BfMethodInstance* typeUnspecMethodInstance = mModule->GetUnspecializedMethodInstance(methodInstance, true);
|
|
BfTypeVector* typeGenericArguments = NULL;
|
|
if (typeInstance->mGenericTypeInfo != NULL)
|
|
typeGenericArguments = &typeInstance->mGenericTypeInfo->mTypeGenericArguments;
|
|
|
|
if ((mInterfaceMethodInstance != NULL) && (methodInstance->GetExplicitInterface() != NULL))
|
|
{
|
|
BfTypeInstance* wantInterface = mInterfaceMethodInstance->mMethodInstanceGroup->mOwner;
|
|
if (wantInterface != methodInstance->GetExplicitInterface())
|
|
return false;
|
|
}
|
|
|
|
if ((checkMethod->mIsVirtual) && (!checkMethod->mIsOverride) && (!mBypassVirtual) &&
|
|
(targetTypeInstance != NULL) && (targetTypeInstance->IsObject()))
|
|
{
|
|
mModule->PopulateType(targetTypeInstance, BfPopulateType_DataAndMethods);
|
|
if ((methodInstance->mVirtualTableIdx < targetTypeInstance->mVirtualMethodTable.mSize) && (methodInstance->mVirtualTableIdx >= 0))
|
|
{
|
|
BfVirtualMethodEntry& vEntry = targetTypeInstance->mVirtualMethodTable[methodInstance->mVirtualTableIdx];
|
|
if ((vEntry.mImplementingMethod.mTypeInstance != NULL) && (vEntry.mImplementingMethod.mTypeInstance->mDefineState < BfTypeDefineState_DefinedAndMethodsSlotted) &&
|
|
(mModule->mCompiler->IsAutocomplete()))
|
|
{
|
|
// Silently ignore
|
|
}
|
|
else
|
|
{
|
|
auto implMethod = (BfMethodInstance*)vEntry.mImplementingMethod;
|
|
if ((implMethod != methodInstance) && (implMethod != NULL))
|
|
{
|
|
SetAndRestoreValue<bool> prevBypassVirtual(mBypassVirtual, true);
|
|
return CheckMethod(targetTypeInstance, implMethod->GetOwner(), implMethod->mMethodDef, isFailurePass);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Being in autocomplete mode is the only excuse for not having the virtual method table slotted
|
|
if ((!mModule->mCompiler->IsAutocomplete()) && (!targetTypeInstance->mTypeFailed) && (!targetTypeInstance->IsUnspecializedTypeVariation()))
|
|
{
|
|
mModule->AssertErrorState();
|
|
}
|
|
}
|
|
}
|
|
|
|
BfGenericInferContext genericInferContext;
|
|
genericInferContext.mModule = mModule;
|
|
genericInferContext.mCheckMethodGenericArguments = &mCheckMethodGenericArguments;
|
|
|
|
HashSet<int> allowEmptyGenericSet;
|
|
BfAutoComplete* autoComplete = NULL;
|
|
if ((mModule->mCompiler->mResolvePassData != NULL) && (!isFailurePass) && ((mBfEvalExprFlags & BfEvalExprFlags_NoAutoComplete) == 0))
|
|
autoComplete = mModule->mCompiler->mResolvePassData->mAutoComplete;
|
|
|
|
if (checkMethod->mMethodType != BfMethodType_Extension)
|
|
{
|
|
if (((checkMethod->mIsStatic) && (!mAllowStatic)) ||
|
|
((!checkMethod->mIsStatic) && (!mAllowNonStatic)))
|
|
{
|
|
if (!typeInstance->IsFunction())
|
|
autoComplete = NULL;
|
|
}
|
|
}
|
|
|
|
if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo))
|
|
{
|
|
BfAutoComplete::MethodMatchEntry methodMatchEntry;
|
|
methodMatchEntry.mMethodDef = checkMethod;
|
|
methodMatchEntry.mTypeInstance = typeInstance;
|
|
methodMatchEntry.mCurMethodInstance = mModule->mCurMethodInstance;
|
|
autoComplete->mMethodMatchInfo->mInstanceList.push_back(methodMatchEntry);
|
|
}
|
|
|
|
BfTypeVector* genericArgumentsSubstitute = NULL;
|
|
int argIdx = 0;
|
|
int argMatchCount = 0;
|
|
|
|
bool needInferGenericParams = (checkMethod->mGenericParams.size() != 0) &&
|
|
((!mHadExplicitGenericArguments) || (mHadPartialGenericArguments));
|
|
int paramIdx = 0;
|
|
BfType* paramsElementType = NULL;
|
|
if (checkMethod->mHasAppend)
|
|
paramIdx++;
|
|
|
|
int uniqueGenericStartIdx = mModule->GetLocalInferrableGenericArgCount(checkMethod);
|
|
|
|
if (mHadExplicitGenericArguments)
|
|
{
|
|
int genericArgDelta = (int)(checkMethod->mGenericParams.size() - (mExplicitMethodGenericArguments.size() + uniqueGenericStartIdx));
|
|
if (mHadOpenGenericArguments)
|
|
{
|
|
if (genericArgDelta <= 0)
|
|
goto NoMatch;
|
|
}
|
|
else
|
|
{
|
|
if (genericArgDelta != 0)
|
|
goto NoMatch;
|
|
}
|
|
}
|
|
|
|
for (auto& checkGenericArgRef : mCheckMethodGenericArguments)
|
|
checkGenericArgRef = NULL;
|
|
|
|
mCheckMethodGenericArguments.resize(checkMethod->mGenericParams.size());
|
|
|
|
for (auto& genericArgRef : mCheckMethodGenericArguments)
|
|
genericArgRef = NULL;
|
|
|
|
if (mHadExplicitGenericArguments)
|
|
{
|
|
if (uniqueGenericStartIdx > 0)
|
|
{
|
|
genericArgumentsSubstitute = &mCheckMethodGenericArguments;
|
|
mCheckMethodGenericArguments.clear();
|
|
|
|
mCheckMethodGenericArguments.reserve(mExplicitMethodGenericArguments.size() + uniqueGenericStartIdx);
|
|
for (int i = 0; i < uniqueGenericStartIdx; i++)
|
|
mCheckMethodGenericArguments.Add(NULL);
|
|
for (int i = 0; i < (int)mExplicitMethodGenericArguments.size(); i++)
|
|
mCheckMethodGenericArguments.Add(mExplicitMethodGenericArguments[i]);
|
|
}
|
|
else
|
|
{
|
|
genericArgumentsSubstitute = &mExplicitMethodGenericArguments;
|
|
}
|
|
|
|
if ((mHadPartialGenericArguments) && (needInferGenericParams))
|
|
{
|
|
genericArgumentsSubstitute = &mCheckMethodGenericArguments;
|
|
for (int i = 0; i < (int)mExplicitMethodGenericArguments.mSize; i++)
|
|
mCheckMethodGenericArguments[i] = mExplicitMethodGenericArguments[i];
|
|
}
|
|
}
|
|
else if (needInferGenericParams)
|
|
genericArgumentsSubstitute = &mCheckMethodGenericArguments;
|
|
|
|
if (mHasArgNames)
|
|
{
|
|
checkMethod->BuildParamNameMap();
|
|
|
|
bool prevWasNull = false;
|
|
for (int argIdx = (int)mArguments.mSize - 1; argIdx >= 0; argIdx--)
|
|
{
|
|
auto& arg = mArguments[argIdx];
|
|
if (arg.mNameNode != NULL)
|
|
{
|
|
if (prevWasNull)
|
|
{
|
|
if (argIdx >= checkMethod->mParams.mSize)
|
|
goto NoMatch;
|
|
if (checkMethod->mParams[argIdx]->mName != arg.mNameNode->ToStringView())
|
|
goto NoMatch;
|
|
}
|
|
else
|
|
{
|
|
if (!checkMethod->mParamNameMap->ContainsKey(arg.mNameNode->ToStringView()))
|
|
goto NoMatch;
|
|
}
|
|
|
|
prevWasNull = false;
|
|
}
|
|
else
|
|
{
|
|
prevWasNull = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((checkMethod->mIsMutating) && (targetTypeInstance != NULL) && (targetTypeInstance->IsValueType()) &&
|
|
((mTarget.IsReadOnly()) || (!mTarget.IsAddr())) &&
|
|
(!targetTypeInstance->IsValuelessType()))
|
|
{
|
|
goto NoMatch;
|
|
}
|
|
|
|
if (mSkipImplicitParams)
|
|
{
|
|
//paramOfs = methodInstance->GetImplicitParamCount();
|
|
//paramIdx += paramOfs;
|
|
}
|
|
|
|
if (needInferGenericParams)
|
|
{
|
|
genericInferContext.mPrevArgValues.resize(checkMethod->mGenericParams.size());
|
|
|
|
int paramOfs = methodInstance->GetImplicitParamCount();
|
|
int paramCount = methodInstance->GetParamCount();
|
|
SizedArray<int, 8> deferredArgs;
|
|
|
|
int argIdx = 0;
|
|
int paramIdx = 0;
|
|
|
|
if (checkMethod->mHasAppend)
|
|
paramIdx++;
|
|
|
|
if (checkMethod->mMethodType == BfMethodType_Extension)
|
|
{
|
|
argIdx--;
|
|
}
|
|
paramIdx += paramOfs;
|
|
|
|
bool hadInferFailure = false;
|
|
int inferParamOffset = paramOfs - argIdx;
|
|
int paramsParamIdx = -1;
|
|
|
|
enum ResultKind
|
|
{
|
|
ResultKind_Ok,
|
|
ResultKind_Failed,
|
|
ResultKind_Deferred,
|
|
};
|
|
|
|
auto _CheckArg = [&](int argIdx)
|
|
{
|
|
paramIdx = argIdx + inferParamOffset;
|
|
if ((paramsParamIdx != -1) && (paramIdx > paramsParamIdx))
|
|
paramIdx = paramsParamIdx;
|
|
|
|
auto wantType = methodInstance->GetParamType(paramIdx);
|
|
|
|
auto checkType = wantType;
|
|
auto origCheckType = checkType;
|
|
|
|
if (checkType->IsGenericParam())
|
|
{
|
|
BfGenericParamInstance* genericParamInstance = NULL;
|
|
auto genericParamType = (BfGenericParamType*)checkType;
|
|
checkType = NULL;
|
|
|
|
if (genericParamType->mGenericParamKind == BfGenericParamKind_Method)
|
|
{
|
|
if ((genericArgumentsSubstitute != NULL) && (genericParamType->mGenericParamIdx < (int)genericArgumentsSubstitute->size()))
|
|
checkType = (*genericArgumentsSubstitute)[genericParamType->mGenericParamIdx];
|
|
genericParamInstance = methodInstance->mMethodInfoEx->mGenericParams[genericParamType->mGenericParamIdx];
|
|
}
|
|
else
|
|
genericParamInstance = mModule->GetGenericParamInstance(genericParamType);
|
|
if (checkType == NULL)
|
|
{
|
|
checkType = genericParamInstance->mTypeConstraint;
|
|
origCheckType = checkType; // We can do "ResolveGenericType" on this type
|
|
}
|
|
}
|
|
|
|
bool attemptedGenericResolve = false;
|
|
if ((checkType != NULL) && (genericArgumentsSubstitute != NULL) && (checkType->IsUnspecializedType()))
|
|
{
|
|
attemptedGenericResolve = true;
|
|
checkType = mModule->ResolveGenericType(origCheckType, NULL, genericArgumentsSubstitute, mModule->mCurTypeInstance);
|
|
}
|
|
|
|
if (wantType->IsUnspecializedType())
|
|
{
|
|
BfTypedValue argTypedValue;
|
|
if (argIdx == -1)
|
|
{
|
|
if (mOrigTarget)
|
|
argTypedValue = mOrigTarget;
|
|
else
|
|
argTypedValue = mTarget;
|
|
}
|
|
else
|
|
{
|
|
BfResolveArgFlags flags = BfResolveArgFlag_FromGeneric;
|
|
if (wantType->IsGenericParam())
|
|
flags = (BfResolveArgFlags)(flags | BfResolveArgFlag_FromGenericParam);
|
|
argTypedValue = ResolveArgTypedValue(mArguments[argIdx], checkType, genericArgumentsSubstitute, origCheckType, flags);
|
|
}
|
|
if (!argTypedValue.IsUntypedValue())
|
|
{
|
|
auto type = argTypedValue.mType;
|
|
if (!argTypedValue)
|
|
{
|
|
if ((checkType == NULL) && (attemptedGenericResolve) && (genericInferContext.GetUnresolvedCount() >= 2))
|
|
{
|
|
deferredArgs.Add(argIdx);
|
|
return ResultKind_Deferred;
|
|
}
|
|
|
|
return ResultKind_Failed;
|
|
}
|
|
|
|
if (type->IsVar())
|
|
mHasVarArguments = true;
|
|
|
|
if (methodInstance->GetParamKind(paramIdx) == BfParamKind_Params)
|
|
{
|
|
if ((mArguments[argIdx].mArgFlags & BfArgFlag_ParamsExpr) != 0)
|
|
{
|
|
// Match to entire thing
|
|
}
|
|
else
|
|
{
|
|
paramsParamIdx = paramIdx;
|
|
if ((wantType->IsArray()) || (wantType->IsSizedArray()) || (wantType->IsInstanceOf(mModule->mCompiler->mSpanTypeDef)))
|
|
wantType = wantType->GetUnderlyingType();
|
|
}
|
|
}
|
|
|
|
if (!genericInferContext.InferGenericArgument(methodInstance, type, wantType, argTypedValue.mValue))
|
|
return ResultKind_Failed;
|
|
}
|
|
}
|
|
return ResultKind_Ok;
|
|
};
|
|
|
|
for (; argIdx < (int)mArguments.size(); argIdx++)
|
|
{
|
|
paramIdx = argIdx + inferParamOffset;
|
|
if ((paramIdx >= paramCount) && (paramsParamIdx == -1))
|
|
break; // Possible for delegate 'params' type methods
|
|
|
|
auto resultKind = _CheckArg(argIdx);
|
|
if (resultKind == ResultKind_Failed)
|
|
goto NoMatch;
|
|
}
|
|
|
|
if ((methodInstance->mParams.mSize > 0) && (methodInstance->GetParamKind(methodInstance->mParams.mSize - 1) == BfParamKind_Params))
|
|
{
|
|
// Handle `params int[C]` generic sized array params case
|
|
auto paramsType = methodInstance->GetParamType(methodInstance->mParams.mSize - 1);
|
|
if (paramsType->IsUnknownSizedArrayType())
|
|
{
|
|
auto unknownSizedArray = (BfUnknownSizedArrayType*)paramsType;
|
|
if (unknownSizedArray->mElementCountSource->IsMethodGenericParam())
|
|
{
|
|
auto genericParam = (BfGenericParamType*)unknownSizedArray->mElementCountSource;
|
|
if ((*genericArgumentsSubstitute)[genericParam->mGenericParamIdx] == NULL)
|
|
{
|
|
int paramsCount = (int)mArguments.mSize - inferParamOffset;
|
|
(*genericArgumentsSubstitute)[genericParam->mGenericParamIdx] = mModule->CreateConstExprValueType(
|
|
BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, paramsCount), mModule->GetPrimitiveType(BfTypeCode_IntPtr)));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!deferredArgs.IsEmpty())
|
|
{
|
|
genericInferContext.InferGenericArguments(methodInstance);
|
|
}
|
|
|
|
while (!deferredArgs.IsEmpty())
|
|
{
|
|
int prevDeferredSize = (int)deferredArgs.size();
|
|
for (int i = 0; i < prevDeferredSize; i++)
|
|
{
|
|
auto resultKind = _CheckArg(deferredArgs[i]);
|
|
if (resultKind == ResultKind_Failed)
|
|
goto NoMatch;
|
|
}
|
|
deferredArgs.RemoveRange(0, prevDeferredSize);
|
|
if (prevDeferredSize == deferredArgs.size())
|
|
{
|
|
// No progress
|
|
goto NoMatch;
|
|
}
|
|
}
|
|
|
|
//
|
|
{
|
|
int paramIdx = (int)mArguments.size() + paramOfs;
|
|
while (paramIdx < checkMethod->mParams.size())
|
|
{
|
|
if ((paramIdx < methodInstance->mDefaultValues.size()) && (methodInstance->mDefaultValues[paramIdx]))
|
|
{
|
|
auto wantType = methodInstance->GetParamType(paramIdx);
|
|
auto checkType = wantType;
|
|
if (checkType->IsGenericParam())
|
|
{
|
|
BfGenericParamInstance* genericParamInstance = NULL;
|
|
auto genericParamType = (BfGenericParamType*)checkType;
|
|
if (genericParamType->mGenericParamKind == BfGenericParamKind_Method)
|
|
{
|
|
if ((genericArgumentsSubstitute != NULL) && (genericParamType->mGenericParamIdx < (int)genericArgumentsSubstitute->size()))
|
|
checkType = (*genericArgumentsSubstitute)[genericParamType->mGenericParamIdx];
|
|
genericParamInstance = methodInstance->mMethodInfoEx->mGenericParams[genericParamType->mGenericParamIdx];
|
|
if ((genericParamInstance->mGenericParamFlags & BfGenericParamFlag_Const) != 0)
|
|
{
|
|
if (mCheckMethodGenericArguments[genericParamType->mGenericParamIdx] == NULL)
|
|
allowEmptyGenericSet.Add(genericParamType->mGenericParamIdx);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
paramIdx++;
|
|
}
|
|
}
|
|
|
|
if ((mCheckReturnType != NULL) && (methodInstance->mReturnType->IsUnspecializedType()))
|
|
{
|
|
if (!genericInferContext.InferGenericArgument(methodInstance, mCheckReturnType, methodInstance->mReturnType, BfIRValue()))
|
|
return ResultKind_Failed;
|
|
}
|
|
|
|
bool failed = false;
|
|
bool inferredAllGenericArguments = false;
|
|
for (int pass = 0; true; pass++)
|
|
{
|
|
bool madeProgress = false;
|
|
bool hasUninferred = false;
|
|
failed = false;
|
|
|
|
for (int genericArgIdx = uniqueGenericStartIdx; genericArgIdx < (int)checkMethod->mGenericParams.size(); genericArgIdx++)
|
|
{
|
|
if (genericArgIdx >= mCheckMethodGenericArguments.mSize)
|
|
{
|
|
failed = true;
|
|
}
|
|
else
|
|
{
|
|
auto& genericArg = mCheckMethodGenericArguments[genericArgIdx];
|
|
if (genericArg == NULL)
|
|
{
|
|
auto genericParam = methodInstance->mMethodInfoEx->mGenericParams[genericArgIdx];
|
|
InferFromGenericConstraints(methodInstance, genericParam, &mCheckMethodGenericArguments);
|
|
if (genericArg != NULL)
|
|
{
|
|
if (inferredAllGenericArguments)
|
|
genericInferContext.InferGenericArguments(methodInstance, genericArgIdx);
|
|
madeProgress = true;
|
|
}
|
|
hasUninferred = true;
|
|
if (!allowEmptyGenericSet.Contains(genericArgIdx))
|
|
failed = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!hasUninferred)
|
|
break;
|
|
if (inferredAllGenericArguments)
|
|
{
|
|
if (!madeProgress)
|
|
break;
|
|
}
|
|
genericInferContext.InferGenericArguments(methodInstance);
|
|
inferredAllGenericArguments = true;
|
|
}
|
|
if (failed)
|
|
goto NoMatch;
|
|
}
|
|
|
|
if (checkMethod->mMethodType == BfMethodType_Extension)
|
|
argIdx--;
|
|
|
|
// Iterate through params
|
|
while (true)
|
|
{
|
|
// Too many arguments
|
|
if (paramIdx >= (int)methodInstance->GetParamCount())
|
|
{
|
|
break;
|
|
}
|
|
|
|
bool isDeferredEval = false;
|
|
|
|
if ((argIdx >= 0) && (methodInstance->GetParamKind(paramIdx) == BfParamKind_Params) && (paramsElementType == NULL))
|
|
{
|
|
if (argIdx >= (int) mArguments.size())
|
|
break; // No params
|
|
|
|
BfTypedValue argTypedValue = ResolveArgTypedValue(mArguments[argIdx], NULL, genericArgumentsSubstitute);
|
|
if (!argTypedValue)
|
|
goto NoMatch;
|
|
|
|
if ((!argTypedValue.HasType()) && (!mArguments[argIdx].IsDeferredEval()))
|
|
goto NoMatch;
|
|
|
|
auto paramsArrayType = methodInstance->GetParamType(paramIdx);
|
|
paramsArrayType = mModule->ResolveGenericType(paramsArrayType, NULL, genericArgumentsSubstitute, mModule->mCurTypeInstance);
|
|
|
|
if (paramsArrayType == NULL)
|
|
goto NoMatch;
|
|
|
|
if ((mArguments[argIdx].mArgFlags & BfArgFlag_ParamsExpr) != 0)
|
|
{
|
|
// Direct-pass params
|
|
if ((argTypedValue.IsUntypedValue()) || (mModule->CanCast(argTypedValue, paramsArrayType)))
|
|
{
|
|
argIdx++;
|
|
argMatchCount++;
|
|
paramIdx++;
|
|
break;
|
|
}
|
|
|
|
goto NoMatch;
|
|
}
|
|
|
|
if ((paramsArrayType->IsArray()) || (paramsArrayType->IsInstanceOf(mModule->mCompiler->mSpanTypeDef)))
|
|
{
|
|
paramsElementType = paramsArrayType->GetUnderlyingType();
|
|
|
|
while (argIdx < (int)mArguments.size())
|
|
{
|
|
argTypedValue = ResolveArgTypedValue(mArguments[argIdx], paramsElementType, genericArgumentsSubstitute);
|
|
if (!argTypedValue.HasType())
|
|
goto NoMatch;
|
|
BfCastFlags castFlags = ((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp) != 0) ? BfCastFlags_NoConversionOperator : BfCastFlags_None;
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp_Explicit) != 0)
|
|
castFlags = (BfCastFlags)(castFlags | BfCastFlags_Explicit);
|
|
if (!mModule->CanCast(argTypedValue, paramsElementType, castFlags))
|
|
goto NoMatch;
|
|
argIdx++;
|
|
argMatchCount++;
|
|
}
|
|
}
|
|
else
|
|
goto NoMatch;
|
|
break;
|
|
}
|
|
|
|
if (methodInstance->IsImplicitCapture(paramIdx))
|
|
{
|
|
paramIdx++;
|
|
continue;
|
|
}
|
|
|
|
if (argIdx >= (int) mArguments.size())
|
|
{
|
|
// We have defaults the rest of the way, so that's cool
|
|
if (methodInstance->GetParamInitializer(paramIdx) != NULL)
|
|
break;
|
|
|
|
// We have unused params left over
|
|
goto NoMatch;
|
|
}
|
|
|
|
auto wantType = methodInstance->GetParamType(paramIdx);
|
|
if ((genericArgumentsSubstitute != NULL) && (wantType->IsUnspecializedType()))
|
|
{
|
|
wantType = typeUnspecMethodInstance->GetParamType(paramIdx);
|
|
auto resolvedType = mModule->ResolveGenericType(wantType, typeGenericArguments, genericArgumentsSubstitute, mModule->mCurTypeInstance, false);
|
|
if (resolvedType == NULL)
|
|
goto NoMatch;
|
|
wantType = resolvedType;
|
|
}
|
|
wantType = mModule->ResolveSelfType(wantType, typeInstance);
|
|
|
|
if ((argIdx >= 0) && ((mArguments[argIdx].mArgFlags & BfArgFlag_ParamsExpr) != 0))
|
|
{
|
|
// We had a 'params' expression but this method didn't have a params slot in this parameter
|
|
goto NoMatch;
|
|
}
|
|
|
|
BfTypedValue argTypedValue;
|
|
if (argIdx == -1)
|
|
argTypedValue = mTarget;
|
|
else
|
|
argTypedValue = ResolveArgTypedValue(mArguments[argIdx], wantType, genericArgumentsSubstitute);
|
|
|
|
if (!argTypedValue.IsUntypedValue())
|
|
{
|
|
if (!argTypedValue.HasType())
|
|
{
|
|
// Check to see if this is the last argument and that it's a potential enum match
|
|
if ((wantType->IsEnum()) && (argIdx == mArguments.size() - 1))
|
|
{
|
|
if (auto memberRefExpr = BfNodeDynCast<BfMemberReferenceExpression>(mArguments[argIdx].mExpression))
|
|
{
|
|
if (memberRefExpr->mTarget == NULL)
|
|
{
|
|
// Is dot expression
|
|
curMatchKind = BackupMatchKind_PartialLastArgMatch;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool matches = false;
|
|
if (wantType->IsOut())
|
|
{
|
|
if (auto memberRefExpr = BfNodeDynCast<BfUninitializedExpression>(mArguments[argIdx].mExpression))
|
|
matches = true;
|
|
}
|
|
|
|
if (!matches)
|
|
goto NoMatch;
|
|
}
|
|
else
|
|
{
|
|
if ((wantType->IsRef()) && (!argTypedValue.mType->IsRef()) &&
|
|
((mAllowImplicitRef) || (wantType->IsIn())))
|
|
wantType = wantType->GetUnderlyingType();
|
|
|
|
BfCastFlags castFlags = ((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp) != 0) ? BfCastFlags_NoConversionOperator : BfCastFlags_None;
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp_Explicit) != 0)
|
|
castFlags = (BfCastFlags)(castFlags | BfCastFlags_Explicit);
|
|
|
|
if ((mCheckReturnType != NULL) && (wantType->IsVar()))
|
|
{
|
|
// If we allowed this then it would allow too many matches (and allow conversion from any type during CastToValue)
|
|
goto NoMatch;
|
|
}
|
|
|
|
if (!mModule->CanCast(argTypedValue, wantType, castFlags))
|
|
{
|
|
if ((mAllowImplicitWrap) && (argTypedValue.mType->IsWrappableType()) && (mModule->GetWrappedStructType(argTypedValue.mType) == wantType))
|
|
{
|
|
// Is wrapped type
|
|
}
|
|
else
|
|
goto NoMatch;
|
|
}
|
|
}
|
|
}
|
|
|
|
paramIdx++;
|
|
argIdx++;
|
|
argMatchCount++;
|
|
|
|
if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo))
|
|
{
|
|
auto methodMatchInfo = autoComplete->mMethodMatchInfo;
|
|
if (!methodMatchInfo->mHadExactMatch)
|
|
{
|
|
bool isBetter = false;
|
|
bool isWorse = false;
|
|
int methodIdx = (int)methodMatchInfo->mInstanceList.size() - 1;
|
|
|
|
if ((methodMatchInfo->mBestIdx != -1) && (methodMatchInfo->mBestIdx < (int)methodMatchInfo->mInstanceList.size()))
|
|
{
|
|
auto prevMethodMatchEntry = &methodMatchInfo->mInstanceList[methodMatchInfo->mBestIdx];
|
|
if (checkMethod->mParams.size() < mArguments.size())
|
|
{
|
|
isWorse = true;
|
|
}
|
|
else if ((prevMethodMatchEntry->mMethodDef != NULL) && (prevMethodMatchEntry->mMethodDef->mParams.size() < (int) mArguments.size()))
|
|
{
|
|
isBetter = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Too many arguments (not all incoming arguments processed)
|
|
if (argIdx < (int)mArguments.size())
|
|
{
|
|
if (!methodInstance->IsVarArgs())
|
|
goto NoMatch;
|
|
}
|
|
|
|
if (mCheckReturnType != NULL)
|
|
{
|
|
auto returnType = methodInstance->mReturnType;
|
|
if (returnType->IsVar())
|
|
{
|
|
// If we allowed this then it would allow too many matches (and allow conversion to any type during CastToValue)
|
|
goto NoMatch;
|
|
}
|
|
|
|
bool doFullTypeResolve = false;
|
|
if (returnType->IsUnspecializedTypeVariation())
|
|
{
|
|
returnType = typeUnspecMethodInstance->mReturnType;
|
|
doFullTypeResolve = true;
|
|
}
|
|
if ((genericArgumentsSubstitute != NULL) && (returnType->IsUnspecializedType()))
|
|
doFullTypeResolve = true;
|
|
if (doFullTypeResolve)
|
|
{
|
|
auto resolvedType = mModule->ResolveGenericType(returnType, typeGenericArguments, genericArgumentsSubstitute, mModule->mCurTypeInstance, false);
|
|
if (resolvedType == NULL)
|
|
goto NoMatch;
|
|
returnType = resolvedType;
|
|
}
|
|
returnType = mModule->ResolveSelfType(returnType, typeInstance);
|
|
|
|
BfCastFlags castFlags = ((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp) != 0) ? (BfCastFlags)(BfCastFlags_NoConversionOperator | BfCastFlags_NoInterfaceImpl) : BfCastFlags_None;
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp_Explicit) != 0)
|
|
castFlags = (BfCastFlags)(castFlags | BfCastFlags_Explicit);
|
|
if (!mModule->CanCast(mModule->GetFakeTypedValue(returnType), mCheckReturnType, castFlags))
|
|
goto NoMatch;
|
|
}
|
|
|
|
if ((genericArgumentsSubstitute != NULL) && (genericArgumentsSubstitute->size() != 0))
|
|
{
|
|
for (int checkGenericIdx = uniqueGenericStartIdx; checkGenericIdx < (int)genericArgumentsSubstitute->size(); checkGenericIdx++)
|
|
{
|
|
auto& genericParams = methodInstance->mMethodInfoEx->mGenericParams;
|
|
auto genericArg = (*genericArgumentsSubstitute)[checkGenericIdx];
|
|
if (genericArg == NULL)
|
|
{
|
|
if (allowEmptyGenericSet.Contains(checkGenericIdx))
|
|
continue;
|
|
goto NoMatch;
|
|
}
|
|
|
|
if (genericArg == NULL)
|
|
goto NoMatch;
|
|
|
|
if (!mModule->CheckGenericConstraints(BfGenericParamSource(methodInstance), genericArg, NULL, genericParams[checkGenericIdx], genericArgumentsSubstitute, NULL))
|
|
goto NoMatch;
|
|
}
|
|
}
|
|
|
|
for (int externConstraintIdx = 0; externConstraintIdx < (int)checkMethod->mExternalConstraints.size(); externConstraintIdx++)
|
|
{
|
|
auto genericParam = methodInstance->mMethodInfoEx->mGenericParams[checkMethod->mGenericParams.size() + externConstraintIdx];
|
|
BF_ASSERT(genericParam->mExternType != NULL);
|
|
auto externType = genericParam->mExternType;
|
|
BfTypeVector* externGenericArgumentsSubstitute = genericArgumentsSubstitute;
|
|
|
|
if (externType->IsVar())
|
|
{
|
|
auto& externConstraint = checkMethod->mExternalConstraints[externConstraintIdx];
|
|
if (externConstraint.mTypeRef != NULL)
|
|
{
|
|
externType = mModule->ResolveGenericMethodTypeRef(externConstraint.mTypeRef, methodInstance, genericParam, genericArgumentsSubstitute);
|
|
if (externType == NULL)
|
|
goto NoMatch;
|
|
}
|
|
}
|
|
|
|
if (externType->IsGenericParam())
|
|
{
|
|
auto genericParamType = (BfGenericParamType*)externType;
|
|
if (genericParamType->mGenericParamKind == BfGenericParamKind_Method)
|
|
{
|
|
if (genericArgumentsSubstitute != NULL)
|
|
{
|
|
auto genericArg = (*genericArgumentsSubstitute)[genericParamType->mGenericParamIdx];
|
|
if (genericArg == NULL)
|
|
{
|
|
if (allowEmptyGenericSet.Contains(genericParamType->mGenericParamIdx))
|
|
continue;
|
|
goto NoMatch;
|
|
}
|
|
externType = genericArg;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!mModule->CheckGenericConstraints(BfGenericParamSource(methodInstance), externType, NULL, genericParam, externGenericArgumentsSubstitute, NULL))
|
|
goto NoMatch;
|
|
}
|
|
|
|
// if (auto methodDecl = BfNodeDynCast<BfMethodDeclaration>(checkMethod->mMethodDeclaration))
|
|
// {
|
|
// if ((methodDecl->mGenericConstraintsDeclaration != NULL) && (methodDecl->mGenericConstraintsDeclaration->mHasExpressions))
|
|
// {
|
|
// for (auto genericConstraint : methodDecl->mGenericConstraintsDeclaration->mGenericConstraints)
|
|
// {
|
|
// if (auto genericConstraintExpr = BfNodeDynCast<BfGenericConstraintExpression>(genericConstraint))
|
|
// {
|
|
// if (genericConstraintExpr->mExpression == NULL)
|
|
// continue;
|
|
// BfConstResolver constResolver(mModule);
|
|
// constResolver.mExpectingType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
|
|
// constResolver.Resolve(genericConstraintExpr->mExpression, constResolver.mExpectingType);
|
|
// }
|
|
// }
|
|
// }
|
|
// }
|
|
|
|
// Method is applicable, check to see which method is better
|
|
if (mBestMethodDef != NULL)
|
|
{
|
|
bool isBetter = false;
|
|
bool isWorse = false;
|
|
BfMethodInstance* prevMethodInstance = mModule->GetRawMethodInstance(mBestMethodTypeInstance, mBestMethodDef);
|
|
bool allowSpecializeFail = mModule->mCurTypeInstance->IsUnspecializedType();
|
|
if (mModule->mCurMethodInstance != NULL)
|
|
allowSpecializeFail = mModule->mCurMethodInstance->mIsUnspecialized;
|
|
|
|
CompareMethods(prevMethodInstance, &mBestMethodGenericArguments, methodInstance, genericArgumentsSubstitute, &isBetter, &isWorse, allowSpecializeFail);
|
|
|
|
// If we had both a 'better' and 'worse', that's ambiguous because the methods are each better in different ways (not allowed)
|
|
// And if neither better nor worse then they are equally good, which is not allowed either
|
|
if (((!isBetter) && (!isWorse)) || ((isBetter) && (isWorse)))
|
|
{
|
|
if (!mHasVarArguments)
|
|
{
|
|
// If we are ambiguous based on a subset of an extern 'var' constraint then don't throw an error
|
|
auto _CheckMethodInfo = [&](BfMethodInstance* checkMethodInstance)
|
|
{
|
|
if (checkMethodInstance->mMethodInfoEx == NULL)
|
|
return;
|
|
for (auto genericParam : checkMethodInstance->mMethodInfoEx->mGenericParams)
|
|
{
|
|
if ((genericParam->mExternType == NULL) || (!genericParam->mExternType->IsGenericParam()))
|
|
continue;
|
|
auto genericParamType = (BfGenericParamType*)genericParam->mExternType;
|
|
if (genericParamType->mGenericParamKind != BfGenericParamKind_Type)
|
|
continue;
|
|
auto externGenericParam = mModule->GetGenericParamInstance(genericParamType);
|
|
if ((externGenericParam->mGenericParamFlags & BfGenericParamFlag_Var) != 0)
|
|
mHasVarArguments = true;
|
|
}
|
|
};
|
|
_CheckMethodInfo(methodInstance);
|
|
_CheckMethodInfo(prevMethodInstance);
|
|
}
|
|
|
|
if (mHasVarArguments)
|
|
{
|
|
if (methodInstance->mReturnType != prevMethodInstance->mReturnType)
|
|
mHadVarConflictingReturnType = true;
|
|
}
|
|
else
|
|
{
|
|
BfAmbiguousEntry ambiguousEntry;
|
|
ambiguousEntry.mMethodInstance = methodInstance;
|
|
if (genericArgumentsSubstitute != NULL)
|
|
ambiguousEntry.mBestMethodGenericArguments = *genericArgumentsSubstitute;
|
|
if (methodInstance->mMethodDef->mGenericParams.size() != 0)
|
|
{
|
|
BF_ASSERT(!ambiguousEntry.mBestMethodGenericArguments.empty());
|
|
}
|
|
mAmbiguousEntries.push_back(ambiguousEntry);
|
|
goto Done;
|
|
}
|
|
}
|
|
|
|
if (!isBetter)
|
|
goto Done;
|
|
}
|
|
|
|
if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo))
|
|
{
|
|
auto methodMatchInfo = autoComplete->mMethodMatchInfo;
|
|
// Try to persist with previous partial match, if we have one - this keeps us from locking onto
|
|
// an incorrect method just because it had the current number of params that we've typed so far
|
|
if (methodMatchInfo->mPrevBestIdx == -1)
|
|
{
|
|
methodMatchInfo->mHadExactMatch = true;
|
|
methodMatchInfo->mBestIdx = (int) methodMatchInfo->mInstanceList.size() - 1;
|
|
}
|
|
}
|
|
|
|
mAmbiguousEntries.Clear();
|
|
hadMatch = true;
|
|
mBestMethodDef = checkMethod;
|
|
mBestRawMethodInstance = methodInstance;
|
|
|
|
for (auto& arg : mArguments)
|
|
arg.mBestBoundType = arg.mTypedValue.mType;
|
|
|
|
NoMatch:
|
|
if (!hadMatch)
|
|
{
|
|
if (mBestMethodDef != NULL)
|
|
return false;
|
|
|
|
if (checkMethod->mMethodType == BfMethodType_Extension)
|
|
{
|
|
auto thisParam = methodInstance->GetParamType(0);
|
|
auto resolveThisParam = mModule->ResolveGenericType(thisParam, NULL, &mCheckMethodGenericArguments, mModule->mCurTypeInstance);
|
|
if (resolveThisParam == NULL)
|
|
return false;
|
|
if (!mModule->CanCast(mTarget, resolveThisParam,
|
|
((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp) != 0) ? (BfCastFlags)(BfCastFlags_Explicit | BfCastFlags_NoConversionOperator) : BfCastFlags_Explicit))
|
|
return false;
|
|
}
|
|
|
|
if (mBackupMethodDef != NULL)
|
|
{
|
|
int prevParamDiff = (int)mBackupMethodDef->GetExplicitParamCount() - (int)mArguments.size();
|
|
int paramDiff = (int)checkMethod->GetExplicitParamCount() - (int)mArguments.size();
|
|
if ((prevParamDiff < 0) && (prevParamDiff > paramDiff))
|
|
return false;
|
|
if ((prevParamDiff >= 0) && (paramDiff < 0))
|
|
return false;
|
|
|
|
if (argMatchCount < mBackupArgMatchCount)
|
|
return false;
|
|
else if (argMatchCount == mBackupArgMatchCount)
|
|
{
|
|
if (curMatchKind < mBackupMatchKind)
|
|
return false;
|
|
|
|
// We search from the most specific type, so don't prefer a less specific type
|
|
if (mBestMethodTypeInstance != typeInstance)
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo))
|
|
{
|
|
auto methodMatchInfo = autoComplete->mMethodMatchInfo;
|
|
if ((methodMatchInfo->mPrevBestIdx == -1) && (!methodMatchInfo->mHadExactMatch))
|
|
{
|
|
methodMatchInfo->mBestIdx = (int)methodMatchInfo->mInstanceList.size() - 1;
|
|
}
|
|
}
|
|
|
|
mBackupMatchKind = curMatchKind;
|
|
mBackupMethodDef = checkMethod;
|
|
mBackupArgMatchCount = argMatchCount;
|
|
// Lie temporarily to store at least one candidate (but mBestMethodDef is still NULL)
|
|
hadMatch = true;
|
|
}
|
|
|
|
if (hadMatch)
|
|
{
|
|
mBestMethodTypeInstance = typeInstance;
|
|
if (genericArgumentsSubstitute != &mBestMethodGenericArguments)
|
|
{
|
|
if (genericArgumentsSubstitute != NULL)
|
|
{
|
|
for (auto& genericArg : *genericArgumentsSubstitute)
|
|
genericArg = mModule->FixIntUnknown(genericArg);
|
|
mBestMethodGenericArguments = *genericArgumentsSubstitute;
|
|
// #ifdef _DEBUG
|
|
// for (auto arg : mBestMethodGenericArguments)
|
|
// BF_ASSERT((arg == NULL) || (!arg->IsVar()));
|
|
// #endif
|
|
}
|
|
else
|
|
mBestMethodGenericArguments.clear();
|
|
}
|
|
}
|
|
|
|
Done:
|
|
if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo))
|
|
{
|
|
auto methodMatchInfo = autoComplete->mMethodMatchInfo;
|
|
if (!methodMatchInfo->mInstanceList.IsEmpty())
|
|
{
|
|
auto& matchInstance = methodMatchInfo->mInstanceList[methodMatchInfo->mInstanceList.size() - 1];
|
|
matchInstance.mArgMatchCount = argMatchCount;
|
|
matchInstance.mIsMatch = hadMatch;
|
|
if (genericArgumentsSubstitute != NULL)
|
|
matchInstance.mGenericArguments = *genericArgumentsSubstitute;
|
|
}
|
|
}
|
|
|
|
return mBestMethodDef == checkMethod;
|
|
}
|
|
|
|
void BfMethodMatcher::FlushAmbiguityError()
|
|
{
|
|
if (!mAmbiguousEntries.empty())
|
|
{
|
|
if (mModule->PreFail())
|
|
{
|
|
BfError* error;
|
|
if (!mMethodName.empty())
|
|
error = mModule->Fail(StrFormat("Ambiguous method call for '%s'", mMethodName.c_str()), mTargetSrc);
|
|
else
|
|
error = mModule->Fail("Ambiguous method call", mTargetSrc);
|
|
if (error != NULL)
|
|
{
|
|
BfMethodInstance* bestMethodInstance = mModule->GetUnspecializedMethodInstance(mBestRawMethodInstance, true);
|
|
BfTypeVector* typeGenericArguments = NULL;
|
|
if (mBestMethodTypeInstance->mGenericTypeInfo != NULL)
|
|
typeGenericArguments = &mBestMethodTypeInstance->mGenericTypeInfo->mTypeGenericArguments;
|
|
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("'%s' is a candidate", mModule->MethodToString(bestMethodInstance, BfMethodNameFlag_ResolveGenericParamNames,
|
|
typeGenericArguments, mBestMethodGenericArguments.empty() ? NULL : &mBestMethodGenericArguments).c_str()),
|
|
bestMethodInstance->mMethodDef->GetRefNode());
|
|
|
|
for (auto& ambiguousEntry : mAmbiguousEntries)
|
|
{
|
|
auto typeInstance = ambiguousEntry.mMethodInstance->GetOwner();
|
|
auto unspecTypeMethodInstance = mModule->GetUnspecializedMethodInstance(ambiguousEntry.mMethodInstance, true);
|
|
|
|
BfTypeVector* typeGenericArguments = NULL;
|
|
if (typeInstance->mGenericTypeInfo != NULL)
|
|
typeGenericArguments = &typeInstance->mGenericTypeInfo->mTypeGenericArguments;
|
|
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("'%s' is a candidate", mModule->MethodToString(unspecTypeMethodInstance, BfMethodNameFlag_ResolveGenericParamNames,
|
|
typeGenericArguments, ambiguousEntry.mBestMethodGenericArguments.empty() ? NULL : &ambiguousEntry.mBestMethodGenericArguments).c_str()),
|
|
ambiguousEntry.mMethodInstance->mMethodDef->GetRefNode());
|
|
}
|
|
}
|
|
}
|
|
|
|
mAmbiguousEntries.Clear();
|
|
}
|
|
}
|
|
|
|
bool BfMethodMatcher::IsType(BfTypedValue& typedVal, BfType* type)
|
|
{
|
|
if (typedVal.mType == type)
|
|
return true;
|
|
|
|
if (!typedVal)
|
|
return false;
|
|
|
|
if (!typedVal.mType->IsPrimitiveType())
|
|
return false;
|
|
if (!type->IsPrimitiveType())
|
|
return false;
|
|
|
|
auto fromPrimType = typedVal.mType->ToPrimitiveType();
|
|
if ((fromPrimType->mTypeDef->mTypeCode != BfTypeCode_IntUnknown) &&
|
|
(fromPrimType->mTypeDef->mTypeCode != BfTypeCode_UIntUnknown))
|
|
return false;
|
|
|
|
auto constant = mModule->mBfIRBuilder->GetConstant(typedVal.mValue);
|
|
if (constant == NULL)
|
|
return false;
|
|
|
|
auto toPrimType = type->ToPrimitiveType();
|
|
if (!mModule->mBfIRBuilder->IsInt(toPrimType->mTypeDef->mTypeCode))
|
|
return false;
|
|
|
|
if (type->mSize == 8)
|
|
return false;
|
|
|
|
int64 minVal = -(1LL << (8 * type->mSize - 1));
|
|
int64 maxVal = (1LL << (8 * type->mSize - 1)) - 1;
|
|
if ((constant->mInt64 >= minVal) && (constant->mInt64 <= maxVal))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
// This method checks all base classes before checking interfaces. Is that correct?
|
|
bool BfMethodMatcher::CheckType(BfTypeInstance* typeInstance, BfTypedValue target, bool isFailurePass, bool forceOuterCheck)
|
|
{
|
|
BfMethodDef* prevBestMethodDef = mBestMethodDef;
|
|
auto curTypeInst = typeInstance;
|
|
auto curTypeDef = typeInstance->mTypeDef;
|
|
|
|
int checkInterfaceIdx = 0;
|
|
|
|
bool targetIsBase = target.IsBase();
|
|
bool checkExtensionBase = false;
|
|
if (targetIsBase)
|
|
{
|
|
if ((curTypeInst == mModule->mCurTypeInstance) && (curTypeInst->mTypeDef->mIsCombinedPartial))
|
|
{
|
|
checkExtensionBase = true;
|
|
}
|
|
else
|
|
{
|
|
curTypeInst = curTypeInst->mBaseType;
|
|
}
|
|
}
|
|
|
|
BfTypeInstance* targetTypeInstance = NULL;
|
|
if (target.mType != NULL)
|
|
targetTypeInstance = target.mType->ToTypeInstance();
|
|
|
|
while (true)
|
|
{
|
|
bool doSearch = true;
|
|
if ((mMethodType == BfMethodType_Extension) && (!curTypeDef->mHasExtensionMethods))
|
|
doSearch = false;
|
|
|
|
BfMethodDef* nextMethodDef = NULL;
|
|
if (doSearch)
|
|
{
|
|
curTypeDef->PopulateMemberSets();
|
|
BfMemberSetEntry* entry;
|
|
if (curTypeDef->mMethodSet.TryGetWith(mMethodName, &entry))
|
|
nextMethodDef = (BfMethodDef*)entry->mMemberDef;
|
|
}
|
|
|
|
BfProtectionCheckFlags protectionCheckFlags = BfProtectionCheckFlag_None;
|
|
if (target)
|
|
{
|
|
if (mBypassVirtual)
|
|
{
|
|
// Not an "instance lookup"
|
|
}
|
|
else
|
|
{
|
|
protectionCheckFlags = (BfProtectionCheckFlags)(protectionCheckFlags | BfProtectionCheckFlag_InstanceLookup);
|
|
}
|
|
}
|
|
|
|
while (nextMethodDef != NULL)
|
|
{
|
|
bool allowExplicitInterface = curTypeInst->IsInterface() && mBypassVirtual;
|
|
auto activeTypeDef = mModule->GetActiveTypeDef();
|
|
auto visibleProjectSet = mModule->GetVisibleProjectSet();
|
|
bool isDelegate = typeInstance->IsDelegate();
|
|
|
|
auto checkMethod = nextMethodDef;
|
|
nextMethodDef = nextMethodDef->mNextWithSameName;
|
|
|
|
if (mModule->mContext->mResolvingVarField)
|
|
{
|
|
bool isResolvingVarField = false;
|
|
|
|
auto checkTypeState = mModule->mContext->mCurTypeState;
|
|
while (checkTypeState != NULL)
|
|
{
|
|
if ((checkTypeState->mResolveKind == BfTypeState::ResolveKind_ResolvingVarType) &&
|
|
(checkTypeState->mType == typeInstance))
|
|
isResolvingVarField = true;
|
|
checkTypeState = checkTypeState->mPrevState;
|
|
}
|
|
|
|
if (isResolvingVarField)
|
|
{
|
|
BF_ASSERT(mModule->mBfIRBuilder->mIgnoreWrites);
|
|
|
|
// Don't even consider - we can't do method calls on ourselves when we are resolving var fields, because
|
|
// we are not allowed to generate methods when our field types are unknown. We may fix this in the future,
|
|
// but currently it breaks out expected order of operations. One issue is that our call signatures change
|
|
// depending on whether we are valueless or splattable, which depend on underlying type information
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ((checkExtensionBase) && (curTypeInst == mModule->mCurTypeInstance))
|
|
{
|
|
// Accept either a method in the same project but that's the root definition, OR a method that's in a dependent project
|
|
bool accept = false;
|
|
if (activeTypeDef->mProject == checkMethod->mDeclaringType->mProject)
|
|
accept = (activeTypeDef->IsExtension()) && (!checkMethod->mDeclaringType->IsExtension());
|
|
else
|
|
accept = activeTypeDef->mProject->ContainsReference(checkMethod->mDeclaringType->mProject);
|
|
|
|
if (!accept)
|
|
continue;
|
|
}
|
|
|
|
if ((!allowExplicitInterface) && (checkMethod->mExplicitInterface != NULL) && (mInterfaceMethodInstance == NULL))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (checkMethod->mMethodType != mMethodType)
|
|
continue;
|
|
|
|
// if (checkMethod->mName != mMethodName)
|
|
// continue;
|
|
|
|
if ((checkMethod->mDeclaringType->IsExtension()) && (mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL) &&
|
|
(mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mNoExtensionAttributeTypeDef)))
|
|
{
|
|
mModule->mAttributeState->mUsed = true;
|
|
continue;
|
|
}
|
|
|
|
if (!isDelegate)
|
|
{
|
|
if ((!curTypeInst->IsTypeMemberIncluded(checkMethod->mDeclaringType, activeTypeDef, mModule)) ||
|
|
(!curTypeInst->IsTypeMemberAccessible(checkMethod->mDeclaringType, visibleProjectSet)))
|
|
continue;
|
|
}
|
|
|
|
MatchFailKind matchFailKind = MatchFailKind_None;
|
|
if (!mModule->CheckProtection(protectionCheckFlags, curTypeInst, checkMethod->mDeclaringType->mProject, checkMethod->mProtection, typeInstance))
|
|
{
|
|
if ((mBypassVirtual) &&
|
|
((checkMethod->mProtection == BfProtection_Protected) || (checkMethod->mProtection == BfProtection_ProtectedInternal)) &&
|
|
(mModule->TypeIsSubTypeOf(mModule->mCurTypeInstance, typeInstance)))
|
|
{
|
|
// Allow explicit 'base' call
|
|
}
|
|
else
|
|
{
|
|
if (!isFailurePass)
|
|
continue;
|
|
matchFailKind = MatchFailKind_Protection;
|
|
}
|
|
}
|
|
|
|
if (mCheckedKind != checkMethod->mCheckedKind)
|
|
{
|
|
bool passes = true;
|
|
if (mCheckedKind != BfCheckedKind_NotSet)
|
|
{
|
|
passes = false;
|
|
}
|
|
else
|
|
{
|
|
auto defaultCheckedKind = mModule->GetDefaultCheckedKind();
|
|
if (defaultCheckedKind != checkMethod->mCheckedKind)
|
|
passes = false;
|
|
}
|
|
if (!passes)
|
|
{
|
|
if (!isFailurePass)
|
|
continue;
|
|
matchFailKind = MatchFailKind_CheckedMismatch;
|
|
}
|
|
}
|
|
|
|
CheckMethod(targetTypeInstance, curTypeInst, checkMethod, isFailurePass);
|
|
if ((isFailurePass) &&
|
|
((mBestMethodDef == checkMethod) || (mBackupMethodDef == checkMethod)))
|
|
mMatchFailKind = matchFailKind;
|
|
}
|
|
|
|
if ((mBestMethodDef != NULL) && (mMethodType != BfMethodType_Extension))
|
|
{
|
|
if ((mUsingLists != NULL) && (mUsingLists->mSize != 0))
|
|
mUsingLists->Clear();
|
|
|
|
if (mAutoFlushAmbiguityErrors)
|
|
FlushAmbiguityError();
|
|
return true;
|
|
}
|
|
|
|
if ((mUsingLists != NULL) && (curTypeInst->mTypeDef->mHasUsingFields))
|
|
mModule->PopulateUsingFieldData(curTypeInst);
|
|
|
|
if (mUsingLists != NULL)
|
|
{
|
|
auto _CheckUsingData = [&](BfUsingFieldData* usingData)
|
|
{
|
|
BfUsingFieldData::Entry* entry = NULL;
|
|
if (!usingData->mMethods.TryGetValue(mMethodName, &entry))
|
|
return;
|
|
|
|
for (int listIdx = 0; listIdx < entry->mLookups.mSize; listIdx++)
|
|
{
|
|
bool passesProtection = true;
|
|
auto& entryList = entry->mLookups[listIdx];
|
|
for (int entryIdx = 0; entryIdx < entryList.mSize; entryIdx++)
|
|
{
|
|
auto& entry = entryList[entryIdx];
|
|
BfProtectionCheckFlags protectionCheckFlags = BfProtectionCheckFlag_None;
|
|
if (!mModule->CheckProtection(protectionCheckFlags, entry.mTypeInstance, entry.GetDeclaringType(mModule)->mProject,
|
|
(entryIdx < entryList.mSize - 1) ? entry.GetUsingProtection() : entry.GetProtection(), curTypeInst))
|
|
{
|
|
passesProtection = false;
|
|
break;
|
|
}
|
|
}
|
|
if (!passesProtection)
|
|
continue;
|
|
|
|
auto& entry = entryList.back();
|
|
BF_ASSERT(entry.mKind == BfUsingFieldData::MemberRef::Kind_Method);
|
|
auto methodDef = entry.mTypeInstance->mTypeDef->mMethods[entry.mIdx];
|
|
CheckMethod(curTypeInst, entry.mTypeInstance, methodDef, isFailurePass);
|
|
if ((mBestMethodDef != methodDef) && (mBackupMethodDef != methodDef))
|
|
{
|
|
bool foundAmbiguous = false;
|
|
for (int checkIdx = 0; checkIdx < mAmbiguousEntries.mSize; checkIdx++)
|
|
{
|
|
if (mAmbiguousEntries[checkIdx].mMethodInstance->mMethodDef == methodDef)
|
|
{
|
|
mAmbiguousEntries.RemoveAt(checkIdx);
|
|
foundAmbiguous = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!foundAmbiguous)
|
|
continue;
|
|
}
|
|
|
|
if (mUsingLists->mSize == 0)
|
|
{
|
|
mUsingLists->Add(&entryList);
|
|
}
|
|
else
|
|
{
|
|
if (entryList.mSize < (*mUsingLists)[0]->mSize)
|
|
{
|
|
// New is shorter
|
|
mUsingLists->Clear();
|
|
mUsingLists->Add(&entryList);
|
|
}
|
|
else if (entryList.mSize > (*mUsingLists)[0]->mSize)
|
|
{
|
|
// Ignore longer
|
|
}
|
|
else
|
|
{
|
|
mUsingLists->Add(&entryList);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
if ((curTypeInst->mTypeInfoEx != NULL) && (curTypeInst->mTypeInfoEx->mUsingFieldData != NULL))
|
|
_CheckUsingData(curTypeInst->mTypeInfoEx->mUsingFieldData);
|
|
|
|
if (mBestMethodDef != NULL)
|
|
break;
|
|
}
|
|
|
|
auto baseType = curTypeInst->mBaseType;
|
|
if (baseType == NULL)
|
|
{
|
|
//TODO: Why were we doing the interface checking?
|
|
if ((curTypeInst->IsInterface()) && (curTypeInst == target.mType))
|
|
{
|
|
// When we are directly calling on interfaces rather than indirectly matching through binding
|
|
baseType = mModule->mContext->mBfObjectType;
|
|
}
|
|
else if ((curTypeInst != mModule->mContext->mBfObjectType) && (!curTypeInst->IsInterface()))
|
|
{
|
|
// This can happen for structs
|
|
baseType = mModule->mContext->mBfObjectType;
|
|
}
|
|
else if ((typeInstance->IsInterface()) && (checkInterfaceIdx < (int)typeInstance->mInterfaces.size()))
|
|
{
|
|
baseType = typeInstance->mInterfaces[checkInterfaceIdx].mInterfaceType;
|
|
checkInterfaceIdx++;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
curTypeDef = baseType->mTypeDef;
|
|
curTypeInst = baseType;
|
|
|
|
if ((isFailurePass) && (mBackupMethodDef != NULL))
|
|
break;
|
|
}
|
|
|
|
if (mBestMethodDef == NULL)
|
|
{
|
|
// FAILED, but select the first method which will fire an actual error on param type matching
|
|
mBestMethodDef = mBackupMethodDef;
|
|
}
|
|
|
|
if (((mBestMethodDef == NULL) && (!target) && (mAllowImplicitThis)) ||
|
|
(forceOuterCheck))
|
|
{
|
|
// No explicit target - maybe this was a static call in the outer type?
|
|
auto outerType = mModule->GetOuterType(typeInstance);
|
|
if (outerType != NULL)
|
|
CheckOuterTypeStaticMethods(outerType, isFailurePass);
|
|
}
|
|
|
|
if (mAutoFlushAmbiguityErrors)
|
|
FlushAmbiguityError();
|
|
|
|
return mBestMethodDef != prevBestMethodDef;
|
|
}
|
|
|
|
void BfMethodMatcher::TryDevirtualizeCall(BfTypedValue target, BfTypedValue* origTarget, BfTypedValue* staticResult)
|
|
{
|
|
if ((mBestMethodDef == NULL) || (target.mType == NULL))
|
|
return;
|
|
|
|
if ((mModule->mCompiler->IsAutocomplete()) || (mModule->mContext->mResolvingVarField))
|
|
return;
|
|
|
|
if ((mModule->mBfIRBuilder->mIgnoreWrites) && (!mBestMethodDef->mIsConcrete) && (!mBestMethodTypeInstance->IsInterface()))
|
|
return;
|
|
|
|
if (mBestMethodTypeInstance->IsInterface())
|
|
{
|
|
mModule->PopulateType(mBestMethodTypeInstance, BfPopulateType_DataAndMethods);
|
|
|
|
auto activeTypeDef = mModule->GetActiveTypeDef();
|
|
|
|
// Statically map this call
|
|
auto checkType = target.mType;
|
|
if (checkType->IsPointer())
|
|
checkType = ((BfPointerType*)checkType)->mElementType;
|
|
if (checkType->IsWrappableType())
|
|
checkType = mModule->GetWrappedStructType(checkType);
|
|
if ((checkType != NULL) && (checkType->IsTypeInstance()) && (!checkType->IsInterface()))
|
|
{
|
|
BfTypeInterfaceEntry* bestIFaceEntry = NULL;
|
|
auto checkTypeInst = checkType->ToTypeInstance();
|
|
|
|
if (mBestMethodTypeInstance->IsInstanceOf(mModule->mCompiler->mIHashableTypeDef))
|
|
{
|
|
if ((origTarget != NULL) && (origTarget->mType->IsPointer()) && (staticResult != NULL))
|
|
{
|
|
BfTypedValue ptrVal = mModule->LoadValue(*origTarget);
|
|
*staticResult = BfTypedValue(mModule->mBfIRBuilder->CreatePtrToInt(ptrVal.mValue, BfTypeCode_IntPtr), mModule->GetPrimitiveType(BfTypeCode_IntPtr));
|
|
return;
|
|
}
|
|
}
|
|
|
|
while (checkTypeInst != NULL)
|
|
{
|
|
mModule->PopulateType(checkTypeInst, BfPopulateType_DataAndMethods);
|
|
if (checkTypeInst->mDefineState >= BfTypeDefineState_DefinedAndMethodsSlotted)
|
|
{
|
|
for (auto&& iface : checkTypeInst->mInterfaces)
|
|
{
|
|
//TODO: Why did we have this check? This caused Dictionary to not be able to devirtualize
|
|
// calls to TKey GetHashCode when TKey was from a user's project...
|
|
/*if (!checkTypeInst->IsTypeMemberAccessible(iface.mDeclaringType, activeTypeDef))
|
|
continue;*/
|
|
|
|
if (iface.mInterfaceType == mBestMethodTypeInstance)
|
|
{
|
|
if (bestIFaceEntry == NULL)
|
|
{
|
|
bestIFaceEntry = &iface;
|
|
continue;
|
|
}
|
|
|
|
bool isBetter;
|
|
bool isWorse;
|
|
mModule->CompareDeclTypes(NULL, iface.mDeclaringType, bestIFaceEntry->mDeclaringType, isBetter, isWorse);
|
|
if (isBetter == isWorse)
|
|
{
|
|
// Failed
|
|
}
|
|
else
|
|
{
|
|
if (isBetter)
|
|
bestIFaceEntry = &iface;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bestIFaceEntry != NULL)
|
|
break;
|
|
checkTypeInst = checkTypeInst->mBaseType;
|
|
|
|
if ((checkTypeInst == NULL) && (checkType->HasWrappedRepresentation()))
|
|
{
|
|
auto underlyingType = checkType->GetUnderlyingType();
|
|
if ((underlyingType != NULL) && (underlyingType->IsWrappableType()))
|
|
checkTypeInst = mModule->GetWrappedStructType(underlyingType);
|
|
if (checkTypeInst == checkType)
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (bestIFaceEntry != NULL)
|
|
{
|
|
auto ifaceMethodEntry = checkTypeInst->mInterfaceMethodTable[bestIFaceEntry->mStartInterfaceTableIdx + mBestMethodDef->mIdx];
|
|
BfMethodInstance* bestMethodInstance = ifaceMethodEntry.mMethodRef;
|
|
if (bestMethodInstance != NULL)
|
|
{
|
|
bool isMissingArg = false;
|
|
for (auto genericArg : mBestMethodGenericArguments)
|
|
{
|
|
if (genericArg == NULL)
|
|
isMissingArg = true;
|
|
}
|
|
|
|
if (!isMissingArg)
|
|
{
|
|
// Assert error state?
|
|
mBestMethodTypeInstance = ifaceMethodEntry.mMethodRef.mTypeInstance;
|
|
mBestMethodDef = bestMethodInstance->mMethodDef;
|
|
mBestMethodInstance = mModule->GetMethodInstance(mBestMethodTypeInstance, bestMethodInstance->mMethodDef, mBestMethodGenericArguments,
|
|
bestMethodInstance->mIsForeignMethodDef ? BfGetMethodInstanceFlag_ForeignMethodDef : BfGetMethodInstanceFlag_None,
|
|
bestMethodInstance->GetForeignType());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Failed
|
|
mFakeConcreteTarget = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((target.mType->IsValueType()) && (mBestMethodTypeInstance->IsObject()) && (mBestMethodDef->mIsVirtual))
|
|
{
|
|
auto structType = target.mType->ToTypeInstance();
|
|
|
|
if (structType == NULL)
|
|
{
|
|
mModule->InternalError("Invalid type in TryDevirtualizeCall");
|
|
return;
|
|
}
|
|
|
|
auto virtualMethodInstance = mModule->GetMethodInstance(mBestMethodTypeInstance, mBestMethodDef, BfTypeVector());
|
|
BF_ASSERT(virtualMethodInstance.mMethodInstance->mVirtualTableIdx != -1);
|
|
|
|
BfTypeInstance* boxedType;
|
|
|
|
if (structType->HasOverrideMethods())
|
|
{
|
|
// We don't actually need this boxed type, so just resolve it unreified
|
|
auto useModule = mModule->mContext->mUnreifiedModule;
|
|
boxedType = useModule->CreateBoxedType(target.mType);
|
|
useModule->PopulateType(boxedType, BfPopulateType_DataAndMethods);
|
|
useModule->AddDependency(boxedType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_WeakReference);
|
|
}
|
|
else
|
|
{
|
|
boxedType = mModule->mContext->mBfObjectType;
|
|
}
|
|
|
|
auto methodRef = boxedType->mVirtualMethodTable[virtualMethodInstance.mMethodInstance->mVirtualTableIdx];
|
|
if (methodRef.mImplementingMethod.mTypeInstance->IsBoxed())
|
|
{
|
|
auto useModule = mModule->mContext->mUnreifiedModule;
|
|
auto boxedMethodInstance = useModule->ReferenceExternalMethodInstance(methodRef.mImplementingMethod);
|
|
|
|
BfBoxedType* vBoxedType = (BfBoxedType*)methodRef.mImplementingMethod.mTypeInstance;
|
|
mBestMethodTypeInstance = vBoxedType->mElementType->ToTypeInstance();
|
|
mBestMethodInstance = mModule->GetMethodInstance(mBestMethodTypeInstance, boxedMethodInstance.mMethodInstance->mMethodDef, BfTypeVector());
|
|
mBestMethodDef = mBestMethodInstance.mMethodInstance->mMethodDef;
|
|
}
|
|
else
|
|
{
|
|
mBestMethodTypeInstance = methodRef.mImplementingMethod.mTypeInstance;
|
|
mBestMethodInstance = mModule->ReferenceExternalMethodInstance(methodRef.mImplementingMethod);
|
|
mBestMethodDef = mBestMethodInstance.mMethodInstance->mMethodDef;
|
|
}
|
|
mBypassVirtual = true;
|
|
}
|
|
}
|
|
|
|
bool BfMethodMatcher::HasVarGenerics()
|
|
{
|
|
for (auto genericArg : mBestMethodGenericArguments)
|
|
if (genericArg->IsVar())
|
|
return true;
|
|
for (auto genericArg : mExplicitMethodGenericArguments)
|
|
if (genericArg->IsVar())
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
void BfMethodMatcher::CheckOuterTypeStaticMethods(BfTypeInstance* typeInstance, bool isFailurePass)
|
|
{
|
|
bool allowPrivate = true;
|
|
bool allowProtected = true;
|
|
|
|
auto curTypeInst = typeInstance;
|
|
auto curTypeDef = typeInstance->mTypeDef;
|
|
|
|
while (true)
|
|
{
|
|
curTypeDef->PopulateMemberSets();
|
|
BfMethodDef* nextMethodDef = NULL;
|
|
BfMemberSetEntry* entry;
|
|
if (curTypeDef->mMethodSet.TryGetWith(mMethodName, &entry))
|
|
nextMethodDef = (BfMethodDef*)entry->mMemberDef;
|
|
|
|
while (nextMethodDef != NULL)
|
|
{
|
|
auto checkMethod = nextMethodDef;
|
|
nextMethodDef = nextMethodDef->mNextWithSameName;
|
|
|
|
// These can only be invoked when the target itself is the interface
|
|
if (checkMethod->mExplicitInterface != NULL)
|
|
continue;
|
|
if ((checkMethod->mMethodType != mMethodType) || (!checkMethod->mIsStatic))
|
|
continue;
|
|
if (checkMethod->mName != mMethodName)
|
|
continue;
|
|
|
|
if ((!isFailurePass) && (!mModule->CheckProtection(checkMethod->mProtection, NULL, allowProtected, allowPrivate)))
|
|
continue;
|
|
|
|
CheckMethod(typeInstance, curTypeInst, checkMethod, isFailurePass);
|
|
}
|
|
|
|
if (mBestMethodDef != NULL)
|
|
return;
|
|
|
|
auto baseType = curTypeInst->mBaseType;
|
|
if (baseType == NULL)
|
|
break;
|
|
curTypeDef = baseType->mTypeDef;
|
|
curTypeInst = baseType;
|
|
|
|
allowPrivate = false;
|
|
|
|
if ((isFailurePass) && (mBackupMethodDef != NULL))
|
|
break;
|
|
}
|
|
|
|
if (mBestMethodDef == NULL)
|
|
{
|
|
// FAILED, but select the first method which will fire an actual error on param type matching
|
|
mBestMethodDef = mBackupMethodDef;
|
|
}
|
|
|
|
if (mBestMethodDef == NULL)
|
|
{
|
|
// No explicit target - maybe this was a static call in the outer type?
|
|
auto outerType = mModule->GetOuterType(typeInstance);
|
|
if (outerType != NULL)
|
|
CheckOuterTypeStaticMethods(outerType, isFailurePass);
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
void BfResolvedArgs::HandleFixits(BfModule* module)
|
|
{
|
|
auto compiler = module->mCompiler;
|
|
if ((!compiler->IsAutocomplete()) || (compiler->mResolvePassData->mResolveType != BfResolveType_GetFixits))
|
|
return;
|
|
|
|
SetAndRestoreValue<bool> ignoreErrors(module->mIgnoreErrors, true);
|
|
for (int argIdx = 0; argIdx < (int)mResolvedArgs.size(); argIdx++)
|
|
{
|
|
auto& resolvedArg = mResolvedArgs[argIdx];
|
|
auto expr = BfNodeDynCast<BfExpression>(resolvedArg.mExpression);
|
|
if (expr != NULL)
|
|
{
|
|
module->CreateValueFromExpression(expr, resolvedArg.mExpectedType);
|
|
}
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
BfExprEvaluator::BfExprEvaluator(BfModule* module)
|
|
{
|
|
mBfEvalExprFlags = BfEvalExprFlags_None;
|
|
mModule = module;
|
|
mPropDef = NULL;
|
|
mPropSrc = NULL;
|
|
mPropGetMethodFlags = BfGetMethodInstanceFlag_None;
|
|
mPropCheckedKind = BfCheckedKind_NotSet;
|
|
mUsedAsStatement = false;
|
|
mPropDefBypassVirtual = false;
|
|
mExpectingType = NULL;
|
|
mFunctionBindResult = NULL;
|
|
mExplicitCast = false;
|
|
mDeferCallRef = NULL;
|
|
mDeferScopeAlloc = NULL;
|
|
mPrefixedAttributeState = NULL;
|
|
mResolveGenericParam = true;
|
|
mNoBind = false;
|
|
mResultLocalVar = NULL;
|
|
mResultFieldInstance = NULL;
|
|
mResultLocalVarField = 0;
|
|
mResultLocalVarFieldCount = 0;
|
|
mResultLocalVarRefNode = NULL;
|
|
mIsVolatileReference = false;
|
|
mIsHeapReference = false;
|
|
mResultIsTempComposite = false;
|
|
mAllowReadOnlyReference = false;
|
|
mInsidePendingNullable = false;
|
|
mReceivingValue = NULL;
|
|
}
|
|
|
|
BfExprEvaluator::~BfExprEvaluator()
|
|
{
|
|
}
|
|
|
|
BfAutoComplete* BfExprEvaluator::GetAutoComplete()
|
|
{
|
|
if (mModule->mCompiler->mResolvePassData == NULL)
|
|
return NULL;
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_NoAutoComplete) != 0)
|
|
return NULL;
|
|
|
|
// For local methods- only process autocomplete on capture phase
|
|
if ((mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mClosureState != NULL) && (!mModule->mCurMethodState->mClosureState->mCapturing))
|
|
return NULL;
|
|
|
|
// if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mMethodDef->mIsLocalMethod))
|
|
// return NULL;
|
|
return mModule->mCompiler->mResolvePassData->mAutoComplete;
|
|
}
|
|
|
|
bool BfExprEvaluator::IsComptime()
|
|
{
|
|
return (mModule->mIsComptimeModule) || ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0);
|
|
}
|
|
|
|
bool BfExprEvaluator::IsConstEval()
|
|
{
|
|
return ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0);
|
|
}
|
|
|
|
bool BfExprEvaluator::IsComptimeEntry()
|
|
{
|
|
if (mModule->mIsComptimeModule)
|
|
return false;
|
|
return ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0);
|
|
}
|
|
|
|
int BfExprEvaluator::GetStructRetIdx(BfMethodInstance* methodInstance, bool forceStatic)
|
|
{
|
|
if (IsComptime())
|
|
return -1;
|
|
return methodInstance->GetStructRetIdx(forceStatic);
|
|
}
|
|
|
|
BfType* BfExprEvaluator::BindGenericType(BfAstNode* node, BfType* bindType)
|
|
{
|
|
if ((mModule->mCurMethodState == NULL) || (mModule->mCurMethodInstance == NULL) || (bindType == NULL))
|
|
return bindType;
|
|
|
|
if ((mModule->mCurMethodState->mClosureState != NULL) && (mModule->mCurMethodState->mClosureState->mCapturing))
|
|
return bindType;
|
|
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_DeclType) != 0)
|
|
return bindType;
|
|
|
|
BF_ASSERT((!mModule->mCurMethodInstance->mIsUnspecializedVariation) || (mModule->mIsComptimeModule));
|
|
|
|
auto parser = node->GetSourceData()->ToParserData();
|
|
if (parser == NULL)
|
|
return bindType;
|
|
int64 nodeId = ((int64)parser->mDataId << 32) + node->GetSrcStart();
|
|
|
|
auto genericTypeBindings = mModule->mCurMethodState->GetRootMethodState()->mGenericTypeBindings;
|
|
auto methodInstance = mModule->mCurMethodInstance;
|
|
|
|
bool isMixinBind = false;
|
|
if (mModule->mCurMethodState->mMixinState != NULL)
|
|
{
|
|
auto mixinMethodInstance = mModule->mCurMethodState->mMixinState->mMixinMethodInstance;
|
|
if (!mixinMethodInstance->mMethodDef->mGenericParams.IsEmpty())
|
|
{
|
|
auto unspecMixinMethodInstance = mModule->GetUnspecializedMethodInstance(mixinMethodInstance, false);
|
|
|
|
if (!unspecMixinMethodInstance->mHasBeenProcessed)
|
|
{
|
|
// Make sure the unspecialized method is processed so we can take its bindings
|
|
// Clear mCurMethodState so we don't think we're in a local method
|
|
SetAndRestoreValue<BfMethodState*> prevMethodState_Unspec(mModule->mCurMethodState, NULL);
|
|
if (unspecMixinMethodInstance->mMethodProcessRequest == NULL)
|
|
unspecMixinMethodInstance->mDeclModule->mIncompleteMethodCount++;
|
|
mModule->mContext->ProcessMethod(unspecMixinMethodInstance);
|
|
}
|
|
|
|
isMixinBind = true;
|
|
methodInstance = mixinMethodInstance;
|
|
genericTypeBindings = &unspecMixinMethodInstance->mMethodInfoEx->mGenericTypeBindings;
|
|
}
|
|
}
|
|
|
|
if ((methodInstance->mIsUnspecialized) && (!methodInstance->mIsUnspecializedVariation))
|
|
{
|
|
if (isMixinBind)
|
|
return bindType;
|
|
|
|
if (!bindType->IsGenericParam())
|
|
return bindType;
|
|
|
|
if (genericTypeBindings == NULL)
|
|
return bindType;
|
|
|
|
(*genericTypeBindings)[nodeId] = bindType;
|
|
return bindType;
|
|
}
|
|
else
|
|
{
|
|
if (genericTypeBindings == NULL)
|
|
return bindType;
|
|
|
|
BfType** typePtr = NULL;
|
|
if (genericTypeBindings->TryGetValue(nodeId, &typePtr))
|
|
return *typePtr;
|
|
|
|
return bindType;
|
|
}
|
|
}
|
|
|
|
BfType * BfExprEvaluator::ResolveTypeRef(BfTypeReference* typeRef, BfPopulateType populateType, BfResolveTypeRefFlags resolveFlags)
|
|
{
|
|
if (mExpectingType != NULL)
|
|
{
|
|
if (auto namedTypeRef = BfNodeDynCastExact<BfNamedTypeReference>(typeRef))
|
|
{
|
|
if (namedTypeRef->ToString() == "ExpectedType")
|
|
{
|
|
return mModule->ResolveTypeResult(typeRef, mExpectingType, populateType, resolveFlags);
|
|
}
|
|
}
|
|
}
|
|
|
|
return mModule->ResolveTypeRef(typeRef, populateType, resolveFlags);
|
|
}
|
|
|
|
void BfExprEvaluator::ResolveGenericType()
|
|
{
|
|
if (mResult)
|
|
{
|
|
if (mModule->IsUnboundGeneric(mResult.mType))
|
|
mResult.mType = mModule->GetPrimitiveType(BfTypeCode_Var);
|
|
//mResult.mType = mModule->ResolveGenericType(mResult.mType, true);
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::Evaluate(BfAstNode* astNode, bool propogateNullConditional, bool ignoreNullConditional, bool allowSplat)
|
|
{
|
|
BP_ZONE("BfExprEvaluator::Evaluate");
|
|
|
|
// ParenthesizedExpression breaks null conditional chain
|
|
if (astNode->IsExact<BfParenthesizedExpression>())
|
|
propogateNullConditional = false;
|
|
|
|
bool scopeWasConditional = false;
|
|
|
|
BfPendingNullConditional* pendingNullCond = NULL;
|
|
mInsidePendingNullable = false;
|
|
if (mModule->mCurMethodState != NULL)
|
|
{
|
|
scopeWasConditional = mModule->mCurMethodState->mCurScope->mIsConditional;
|
|
pendingNullCond = mModule->mCurMethodState->mPendingNullConditional;
|
|
if (!propogateNullConditional)
|
|
mModule->mCurMethodState->mPendingNullConditional = NULL;
|
|
if (pendingNullCond != NULL)
|
|
{
|
|
mInsidePendingNullable = true;
|
|
mModule->mCurMethodState->mCurScope->mIsConditional = true;
|
|
}
|
|
}
|
|
|
|
astNode->Accept(this);
|
|
GetResult();
|
|
|
|
if ((mResultIsTempComposite) && (mResult.IsAddr()))
|
|
mResult.mKind = BfTypedValueKind_TempAddr;
|
|
|
|
if ((!allowSplat) && (mResult.IsSplat()))
|
|
mResult = mModule->AggregateSplat(mResult);
|
|
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_AllowIntUnknown) == 0)
|
|
mModule->FixIntUnknown(mResult);
|
|
|
|
if (!mModule->mBfIRBuilder->mIgnoreWrites)
|
|
{
|
|
if (mResult.mValue.IsConst())
|
|
{
|
|
auto constant = mModule->mBfIRBuilder->GetConstant(mResult.mValue);
|
|
if (constant->mConstType == BfConstType_TypeOf)
|
|
{
|
|
auto typeOfConst = (BfTypeOf_Const*)constant;
|
|
mResult.mValue = mModule->CreateTypeDataRef(typeOfConst->mType);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mModule->mCurMethodState != NULL)
|
|
{
|
|
if (mInsidePendingNullable)
|
|
mModule->mCurMethodState->mCurScope->mIsConditional = scopeWasConditional;
|
|
|
|
if (!propogateNullConditional)
|
|
{
|
|
if (mModule->mCurMethodState->mPendingNullConditional != NULL)
|
|
mResult = mModule->FlushNullConditional(mResult, ignoreNullConditional);
|
|
mModule->mCurMethodState->mPendingNullConditional = pendingNullCond;
|
|
}
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfErrorNode* errorNode)
|
|
{
|
|
mModule->Fail("Invalid token", errorNode);
|
|
|
|
auto autoComplete = GetAutoComplete();
|
|
if (autoComplete != NULL)
|
|
{
|
|
if (auto tokenNode = BfNodeDynCast<BfTokenNode>(errorNode->mRefNode))
|
|
return;
|
|
autoComplete->CheckIdentifier(errorNode->mRefNode, true);
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfTypeReference* typeRef)
|
|
{
|
|
mResult.mType = ResolveTypeRef(typeRef, BfPopulateType_Declaration);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfAttributedExpression* attribExpr)
|
|
{
|
|
BfAttributeState attributeState;
|
|
attributeState.mSrc = attribExpr->mAttributes;
|
|
attributeState.mTarget = (BfAttributeTargets)(BfAttributeTargets_Invocation | BfAttributeTargets_MemberAccess);
|
|
if (auto block = BfNodeDynCast<BfBlock>(attribExpr->mExpression))
|
|
attributeState.mTarget = BfAttributeTargets_Block;
|
|
|
|
attributeState.mCustomAttributes = mModule->GetCustomAttributes(attribExpr->mAttributes, attributeState.mTarget);
|
|
SetAndRestoreValue<BfAttributeState*> prevAttributeState(mModule->mAttributeState, &attributeState);
|
|
|
|
if (auto ignoreErrorsAttrib = attributeState.mCustomAttributes->Get(mModule->mCompiler->mIgnoreErrorsAttributeTypeDef))
|
|
{
|
|
SetAndRestoreValue<bool> ignoreErrors(mModule->mIgnoreErrors, true);
|
|
if (!ignoreErrorsAttrib->mCtorArgs.IsEmpty())
|
|
{
|
|
auto constant = mModule->mCurTypeInstance->mConstHolder->GetConstant(ignoreErrorsAttrib->mCtorArgs[0]);
|
|
if (constant->mBool)
|
|
attributeState.mFlags = BfAttributeState::Flag_StopOnError;
|
|
}
|
|
VisitChild(attribExpr->mExpression);
|
|
attributeState.mUsed = true;
|
|
|
|
if ((!mResult) ||
|
|
((mResult) && (mResult.mType->IsVar())))
|
|
{
|
|
if (!mResult)
|
|
mModule->Fail("Expression did not result in a value", attribExpr->mExpression);
|
|
|
|
// Make empty or 'var' resolve as 'false' because var is only valid if we threw errors
|
|
mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
}
|
|
}
|
|
else if (attributeState.mCustomAttributes->Contains(mModule->mCompiler->mConstSkipAttributeTypeDef))
|
|
{
|
|
if ((mModule->mCurMethodState == NULL) || (mModule->mCurMethodState->mCurScope == NULL) || (!mModule->mCurMethodState->mCurScope->mInConstIgnore))
|
|
{
|
|
VisitChild(attribExpr->mExpression);
|
|
}
|
|
else
|
|
{
|
|
BF_ASSERT(mModule->mBfIRBuilder->mIgnoreWrites);
|
|
mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
|
|
}
|
|
attributeState.mUsed = true;
|
|
}
|
|
else
|
|
{
|
|
VisitChild(attribExpr->mExpression);
|
|
}
|
|
|
|
mModule->FinishAttributeState(&attributeState);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfNamedExpression* namedExpr)
|
|
{
|
|
if (namedExpr->mExpression != NULL)
|
|
VisitChild(namedExpr->mExpression);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfBlock* blockExpr)
|
|
{
|
|
if (mModule->mCurMethodState == NULL)
|
|
{
|
|
mModule->Fail("Illegal use of block expression", blockExpr);
|
|
return;
|
|
}
|
|
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (autoComplete->mMethodMatchInfo != NULL) && (autoComplete->IsAutocompleteNode(blockExpr)))
|
|
{
|
|
// Don't show outer method match info when our cursor is inside a block (being passed as a parameter)
|
|
autoComplete->RemoveMethodMatchInfo();
|
|
}
|
|
|
|
if (blockExpr->mChildArr.IsEmpty())
|
|
{
|
|
mModule->Fail("An empty block cannot be used as an expression", blockExpr);
|
|
return;
|
|
}
|
|
|
|
bool lastWasResultExpr = false;
|
|
if (auto lastExpr = BfNodeDynCast<BfExpressionStatement>(blockExpr->mChildArr.GetLast()))
|
|
{
|
|
if (!lastExpr->IsMissingSemicolon())
|
|
mModule->Fail("Expression blocks must end in an expression which is missing its terminating semicolon", lastExpr->mTrailingSemicolon);
|
|
}
|
|
else if (blockExpr->mChildArr.GetLast()->IsExpression())
|
|
{
|
|
// Expression
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail("Expression blocks must end with an expression", blockExpr);
|
|
}
|
|
|
|
mModule->VisitEmbeddedStatement(blockExpr, this, BfNodeIsA<BfUnscopedBlock>(blockExpr) ? BfEmbeddedStatementFlags_Unscoped : BfEmbeddedStatementFlags_None);
|
|
}
|
|
|
|
bool BfExprEvaluator::CheckVariableDeclaration(BfAstNode* checkNode, bool requireSimpleIfExpr, bool exprMustBeTrue, bool silentFail)
|
|
{
|
|
if (BfNodeIsA<BfUninitializedExpression>(checkNode))
|
|
return true;
|
|
|
|
BfAstNode* checkChild = checkNode;
|
|
bool childWasAndRHS = false;
|
|
bool foundIf = false;
|
|
|
|
auto parentNodeEntry = mModule->mParentNodeEntry;
|
|
if (parentNodeEntry != NULL)
|
|
{
|
|
if (BfNodeIsA<BfInvocationExpression>(parentNodeEntry->mNode))
|
|
{
|
|
checkChild = parentNodeEntry->mNode;
|
|
parentNodeEntry = parentNodeEntry->mPrev;
|
|
}
|
|
}
|
|
|
|
auto _Fail = [&](const StringImpl& errorStr, BfAstNode* node)
|
|
{
|
|
if (!silentFail)
|
|
{
|
|
auto error = mModule->Fail(errorStr, node);
|
|
if ((error != NULL) && (node != checkNode))
|
|
{
|
|
mModule->mCompiler->mPassInstance->MoreInfo("See variable declaration", checkNode);
|
|
}
|
|
}
|
|
return false;
|
|
};
|
|
|
|
while (parentNodeEntry != NULL)
|
|
{
|
|
BfAstNode* checkParent = parentNodeEntry->mNode;
|
|
|
|
if (auto binOpExpr = BfNodeDynCastExact<BfBinaryOperatorExpression>(checkParent))
|
|
{
|
|
if (binOpExpr->mOp == BfBinaryOp_ConditionalAnd)
|
|
{
|
|
// This is always okay
|
|
childWasAndRHS = (binOpExpr->mRight != NULL) && (binOpExpr->mRight->Contains(checkChild));
|
|
}
|
|
else if ((binOpExpr->mOp == BfBinaryOp_ConditionalOr) && (!exprMustBeTrue))
|
|
{
|
|
if ((binOpExpr->mRight != NULL) && (binOpExpr->mRight->Contains(checkChild)))
|
|
{
|
|
return _Fail("Conditional short-circuiting may skip variable initialization", binOpExpr->mOpToken);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (exprMustBeTrue)
|
|
{
|
|
return _Fail("Operator cannot be used with variable initialization", binOpExpr->mOpToken);
|
|
}
|
|
}
|
|
}
|
|
else if (auto parenExpr = BfNodeDynCast<BfParenthesizedExpression>(checkParent))
|
|
{
|
|
// This is okay
|
|
}
|
|
else if (auto unaryOp = BfNodeDynCast<BfUnaryOperatorExpression>(checkParent))
|
|
{
|
|
if (exprMustBeTrue)
|
|
{
|
|
return _Fail("Operator cannot be used with variable initialization", unaryOp->mOpToken);
|
|
return false;
|
|
}
|
|
|
|
if (childWasAndRHS)
|
|
{
|
|
return _Fail("Operator may allow conditional short-circuiting to skip variable initialization", unaryOp->mOpToken);
|
|
}
|
|
}
|
|
else if (auto ifStmt = BfNodeDynCast<BfIfStatement>(checkParent))
|
|
{
|
|
// Done
|
|
foundIf = true;
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
if (requireSimpleIfExpr)
|
|
{
|
|
return _Fail("Variable declaration expression can only be contained in simple 'if' expressions", checkNode);
|
|
}
|
|
break;
|
|
}
|
|
|
|
checkChild = parentNodeEntry->mNode;
|
|
parentNodeEntry = parentNodeEntry->mPrev;
|
|
}
|
|
return foundIf;
|
|
}
|
|
|
|
bool BfExprEvaluator::HasVariableDeclaration(BfAstNode* checkNode)
|
|
{
|
|
BfVarDeclChecker checker;
|
|
checker.VisitChild(checkNode);
|
|
return checker.mHasVarDecl;
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfVariableDeclaration* varDecl)
|
|
{
|
|
mModule->UpdateExprSrcPos(varDecl);
|
|
|
|
if ((mModule->mCurMethodState == NULL) || (!mModule->mCurMethodState->mCurScope->mAllowVariableDeclarations))
|
|
{
|
|
mModule->Fail("Variable declarations are not allowed in this context", varDecl);
|
|
if (varDecl->mInitializer != NULL)
|
|
{
|
|
VisitChild(varDecl->mInitializer);
|
|
}
|
|
return;
|
|
}
|
|
|
|
CheckVariableDeclaration(varDecl, true, false, false);
|
|
if (varDecl->mInitializer == NULL)
|
|
{
|
|
mModule->Fail("Variable declarations used as expressions must have an initializer", varDecl);
|
|
}
|
|
|
|
BfTupleExpression* tupleVariableDeclaration = BfNodeDynCast<BfTupleExpression>(varDecl->mNameNode);
|
|
if (tupleVariableDeclaration != NULL)
|
|
{
|
|
mModule->Fail("Tuple variable declarations cannot be used as expressions", varDecl);
|
|
mModule->HandleTupleVariableDeclaration(varDecl);
|
|
}
|
|
else
|
|
mModule->HandleVariableDeclaration(varDecl, this);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfCaseExpression* caseExpr)
|
|
{
|
|
if (caseExpr->mEqualsNode != NULL)
|
|
{
|
|
mModule->Warn(0, "Deprecated case syntax", caseExpr->mEqualsNode);
|
|
}
|
|
|
|
BfTypedValue caseValAddr;
|
|
if (caseExpr->mValueExpression != NULL)
|
|
caseValAddr = mModule->CreateValueFromExpression(caseExpr->mValueExpression, NULL, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
|
|
|
|
if ((caseValAddr.mType != NULL) && (caseValAddr.mType->IsPointer()))
|
|
{
|
|
caseValAddr = mModule->LoadValue(caseValAddr);
|
|
caseValAddr = BfTypedValue(caseValAddr.mValue, caseValAddr.mType->GetUnderlyingType(), true);
|
|
}
|
|
|
|
if (caseValAddr.mType != NULL)
|
|
mModule->mBfIRBuilder->PopulateType(caseValAddr.mType);
|
|
|
|
if ((mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mDeferredLocalAssignData != NULL))
|
|
mModule->mCurMethodState->mDeferredLocalAssignData->BreakExtendChain();
|
|
|
|
if (auto bindExpr = BfNodeDynCast<BfEnumCaseBindExpression>(caseExpr->mCaseExpression))
|
|
{
|
|
if (caseValAddr)
|
|
{
|
|
BfTypedValue enumTagVal;
|
|
if (caseValAddr.mType->IsPayloadEnum())
|
|
{
|
|
int dscrDataIdx;
|
|
auto dscrType = caseValAddr.mType->ToTypeInstance()->GetDiscriminatorType(&dscrDataIdx);
|
|
enumTagVal = BfTypedValue(mModule->ExtractValue(caseValAddr, dscrDataIdx), dscrType);
|
|
}
|
|
else
|
|
enumTagVal = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Int32));
|
|
|
|
mResult = mModule->HandleCaseBind(caseValAddr, enumTagVal, bindExpr);
|
|
return;
|
|
}
|
|
}
|
|
|
|
bool isPayloadEnum = (caseValAddr.mType != NULL) && (caseValAddr.mType->IsPayloadEnum());
|
|
auto tupleExpr = BfNodeDynCast<BfTupleExpression>(caseExpr->mCaseExpression);
|
|
|
|
if ((caseValAddr) &&
|
|
((isPayloadEnum) || (tupleExpr != NULL)))
|
|
{
|
|
bool hasVariable = false;
|
|
bool hasOut = false;
|
|
bool clearOutOnMismatch = false;
|
|
if (auto invocateExpr = BfNodeDynCast<BfInvocationExpression>(caseExpr->mCaseExpression))
|
|
{
|
|
for (auto arg : invocateExpr->mArguments)
|
|
{
|
|
if (auto varDecl = BfNodeDynCast<BfVariableDeclaration>(arg))
|
|
{
|
|
hasVariable = true;
|
|
}
|
|
else if (auto unaryOpExpr = BfNodeDynCast<BfUnaryOperatorExpression>(arg))
|
|
{
|
|
if ((unaryOpExpr->mOpToken != NULL) && (unaryOpExpr->mOpToken->mToken == BfToken_Out))
|
|
{
|
|
hasOut = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (hasVariable)
|
|
{
|
|
CheckVariableDeclaration(caseExpr, false, true, false);
|
|
}
|
|
|
|
// We can avoid clearing on mismatch if we can be sure we ONLY enter the true block on a match.
|
|
// An example of requiring clearing is: if ((result case .Ok(out val)) || (force))
|
|
if (hasOut)
|
|
clearOutOnMismatch = !CheckVariableDeclaration(caseExpr, true, true, true);
|
|
|
|
bool hadConditional = false;
|
|
if (isPayloadEnum)
|
|
{
|
|
int dscrDataIdx;
|
|
auto dscrType = caseValAddr.mType->ToTypeInstance()->GetDiscriminatorType(&dscrDataIdx);
|
|
auto enumTagVal = mModule->LoadValue(mModule->ExtractValue(caseValAddr, NULL, 2));
|
|
int uncondTagId = -1;
|
|
mResult = mModule->TryCaseEnumMatch(caseValAddr, enumTagVal, caseExpr->mCaseExpression, NULL, NULL, NULL, uncondTagId, hadConditional, clearOutOnMismatch, false);
|
|
}
|
|
else
|
|
{
|
|
mResult = mModule->TryCaseTupleMatch(caseValAddr, tupleExpr, NULL, NULL, NULL, hadConditional, clearOutOnMismatch, false);
|
|
}
|
|
|
|
if (mResult)
|
|
return;
|
|
}
|
|
|
|
if ((caseValAddr) && (IsVar(caseValAddr.mType)))
|
|
{
|
|
auto invocationExpr = BfNodeDynCast<BfInvocationExpression>(caseExpr->mCaseExpression);
|
|
if (invocationExpr != NULL)
|
|
{
|
|
for (auto expr : invocationExpr->mArguments)
|
|
{
|
|
if (expr == NULL)
|
|
continue;
|
|
|
|
if (auto varDecl = BfNodeDynCast<BfVariableDeclaration>(expr))
|
|
{
|
|
auto localVar = mModule->HandleVariableDeclaration(varDecl, BfTypedValue());
|
|
if (localVar != NULL)
|
|
localVar->mReadFromId = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
|
|
mResult = mModule->GetDefaultTypedValue(boolType);
|
|
return;
|
|
}
|
|
|
|
auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
|
|
BfTypedValue caseMatch;
|
|
if (caseExpr->mCaseExpression != NULL)
|
|
caseMatch = mModule->CreateValueFromExpression(caseExpr->mCaseExpression, caseValAddr.mType, BfEvalExprFlags_AllowEnumId);
|
|
if ((!caseMatch) || (!caseValAddr))
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(boolType);
|
|
return;
|
|
}
|
|
|
|
if (caseValAddr.mType == caseMatch.mType)
|
|
{
|
|
if (((caseValAddr.mType->IsEnum()) && (caseValAddr.mType->IsStruct())) &&
|
|
((caseMatch) && (caseMatch.mType->IsPayloadEnum()) && (caseMatch.mValue.IsConst())))
|
|
{
|
|
BfTypedValue enumTagVal = mModule->LoadValue(mModule->ExtractValue(caseValAddr, NULL, 2));
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpEQ(enumTagVal.mValue, caseMatch.mValue), boolType);
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// We need to get rid of the int-const for the 'scalar match'. We get a full payload enum value so we can
|
|
// possibly use it in a user-defined comparison operator
|
|
if ((caseMatch.mType->IsStruct()) && (caseMatch.mValue.IsConst()))
|
|
{
|
|
// Is it possible this could throw an error twice? Hope not.
|
|
caseMatch = mModule->CreateValueFromExpression(caseExpr->mCaseExpression, NULL, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
|
|
}
|
|
}
|
|
|
|
PerformBinaryOperation(caseExpr->mCaseExpression, caseExpr->mValueExpression, BfBinaryOp_Equality, caseExpr->mEqualsNode, BfBinOpFlag_None, caseValAddr, caseMatch);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfTypedValueExpression* typedValueExpr)
|
|
{
|
|
mResult = typedValueExpr->mTypedValue;
|
|
}
|
|
|
|
static bool IsCharType(BfTypeCode typeCode)
|
|
{
|
|
switch (typeCode)
|
|
{
|
|
case BfTypeCode_Char8:
|
|
case BfTypeCode_Char16:
|
|
case BfTypeCode_Char32:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool BfExprEvaluator::CheckForMethodName(BfAstNode* refNode, BfTypeInstance* typeInst, const StringImpl& findName)
|
|
{
|
|
BF_ASSERT((mBfEvalExprFlags & BfEvalExprFlags_NameOf) != 0);
|
|
|
|
auto autoComplete = GetAutoComplete();
|
|
|
|
while (typeInst != NULL)
|
|
{
|
|
auto typeDef = typeInst->mTypeDef;
|
|
typeDef->PopulateMemberSets();
|
|
|
|
BfMemberSetEntry* memberSetEntry;
|
|
if (typeDef->mMethodSet.TryGetWith(findName, &memberSetEntry))
|
|
{
|
|
if (mModule->mCompiler->mResolvePassData != NULL)
|
|
mModule->mCompiler->mResolvePassData->HandleMethodReference(refNode, typeDef, (BfMethodDef*)memberSetEntry->mMemberDef);
|
|
|
|
if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(refNode)))
|
|
{
|
|
autoComplete->SetDefinitionLocation(((BfMethodDef*)memberSetEntry->mMemberDef)->GetRefNode());
|
|
if ((autoComplete->mResolveType == BfResolveType_GetSymbolInfo) && (autoComplete->mDefType == NULL))
|
|
{
|
|
autoComplete->mDefType = typeDef;
|
|
autoComplete->mDefMethod = (BfMethodDef*)memberSetEntry->mMemberDef;
|
|
}
|
|
}
|
|
|
|
if (mModule->mCompiler->mResolvePassData != NULL)
|
|
{
|
|
if (auto sourceClassifier = mModule->mCompiler->mResolvePassData->GetSourceClassifier(refNode))
|
|
sourceClassifier->SetElementType(refNode, BfSourceElementType_Method);
|
|
}
|
|
|
|
mBfEvalExprFlags = (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_NameOfSuccess);
|
|
return true;
|
|
}
|
|
|
|
typeInst = typeInst->mBaseType;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool BfExprEvaluator::IsVar(BfType* type, bool forceIgnoreWrites)
|
|
{
|
|
if (type->IsVar())
|
|
return true;
|
|
if ((type->IsGenericParam()) && (!forceIgnoreWrites) && (!mModule->mBfIRBuilder->mIgnoreWrites))
|
|
{
|
|
BF_ASSERT(mModule->mIsComptimeModule);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void BfExprEvaluator::GetLiteral(BfAstNode* refNode, const BfVariant& variant, BfType* type)
|
|
{
|
|
switch (variant.mTypeCode)
|
|
{
|
|
case BfTypeCode_NullPtr:
|
|
{
|
|
auto nullType = mModule->ResolveTypeDef(mModule->mSystem->mTypeNullPtr);
|
|
/*mResult = BfTypedValue(ConstantPointerNull::get((PointerType*) nullType->mIRType), nullType);*/
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConstNull(), nullType);
|
|
}
|
|
break;
|
|
case BfTypeCode_CharPtr:
|
|
{
|
|
if ((mExpectingType != NULL) && (mExpectingType->IsSizedArray()))
|
|
{
|
|
auto sizedArray = (BfSizedArrayType*)mExpectingType;
|
|
if (sizedArray->mElementType == mModule->GetPrimitiveType(BfTypeCode_Char8))
|
|
{
|
|
if (sizedArray->IsUndefSizedArray())
|
|
sizedArray = mModule->CreateSizedArrayType(sizedArray->mElementType, variant.mString->GetLength());
|
|
|
|
if (variant.mString->GetLength() > sizedArray->mElementCount)
|
|
{
|
|
mModule->Fail(StrFormat("String literal is too long to fit into '%s'", mModule->TypeToString(sizedArray).c_str()), refNode);
|
|
}
|
|
|
|
Array<BfIRValue> charValues;
|
|
for (int i = 0; i < (int)BF_MIN(variant.mString->GetLength(), sizedArray->mElementCount); i++)
|
|
{
|
|
char c = (*variant.mString)[i];
|
|
charValues.Add(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Char8, (int)(uint8)c));
|
|
}
|
|
|
|
if (sizedArray->mElementCount > charValues.size())
|
|
charValues.Add(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Char8, 0));
|
|
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConstAgg(mModule->mBfIRBuilder->MapType(sizedArray), charValues), sizedArray);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if ((mExpectingType == NULL) || (!mExpectingType->IsPointer()))
|
|
{
|
|
mResult = BfTypedValue(mModule->GetStringObjectValue(*variant.mString),
|
|
mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
|
|
}
|
|
else
|
|
{
|
|
auto charType = mModule->GetPrimitiveType(BfTypeCode_Char8);
|
|
auto charPtrType = mModule->CreatePointerType(charType);
|
|
mResult = BfTypedValue(mModule->GetStringCharPtr(*variant.mString),
|
|
charPtrType);
|
|
}
|
|
}
|
|
break;
|
|
case BfTypeCode_Boolean:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(variant.mTypeCode, variant.mUInt64), mModule->GetPrimitiveType(variant.mTypeCode));
|
|
break;
|
|
case BfTypeCode_Char8:
|
|
case BfTypeCode_Char16:
|
|
case BfTypeCode_Char32:
|
|
case BfTypeCode_Int8:
|
|
case BfTypeCode_UInt8:
|
|
case BfTypeCode_Int16:
|
|
case BfTypeCode_UInt16:
|
|
case BfTypeCode_Int32:
|
|
case BfTypeCode_UInt32:
|
|
case BfTypeCode_Int64:
|
|
case BfTypeCode_UInt64:
|
|
case BfTypeCode_IntPtr:
|
|
case BfTypeCode_UIntPtr:
|
|
case BfTypeCode_IntUnknown:
|
|
case BfTypeCode_UIntUnknown:
|
|
if ((mExpectingType != NULL) && (mExpectingType->IsIntegral()) && (mExpectingType->IsChar() == IsCharType(variant.mTypeCode)))
|
|
{
|
|
auto primType = (BfPrimitiveType*)mExpectingType;
|
|
if (mModule->mSystem->DoesLiteralFit(primType->mTypeDef->mTypeCode, variant.mUInt64))
|
|
{
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, variant.mUInt64), mExpectingType);
|
|
break;
|
|
}
|
|
}
|
|
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(variant.mTypeCode, variant.mUInt64), mModule->GetPrimitiveType(variant.mTypeCode));
|
|
break;
|
|
|
|
case BfTypeCode_Float:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(variant.mTypeCode, variant.mSingle), mModule->GetPrimitiveType(variant.mTypeCode));
|
|
break;
|
|
case BfTypeCode_Double:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(variant.mTypeCode, variant.mDouble), mModule->GetPrimitiveType(variant.mTypeCode));
|
|
break;
|
|
case BfTypeCode_StringId:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(variant.mTypeCode, variant.mUInt64), mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
|
|
break;
|
|
case BfTypeCode_Let:
|
|
if (mExpectingType != NULL)
|
|
{
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->GetUndefConstValue(mModule->mBfIRBuilder->MapType(mExpectingType)), mExpectingType);
|
|
break;
|
|
}
|
|
mModule->Fail("Invalid undef literal", refNode);
|
|
break;
|
|
case BfTypeCode_Struct:
|
|
if (type != NULL)
|
|
{
|
|
BfVariant::StructData* structData = (BfVariant::StructData*)variant.mPtr;
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->ReadConstant(structData->mData, type), type);
|
|
}
|
|
break;
|
|
default:
|
|
mModule->Fail("Invalid literal", refNode);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfLiteralExpression* literalExpr)
|
|
{
|
|
switch (literalExpr->mValue.mWarnType)
|
|
{
|
|
case BfWarning_BF4201_Only7Hex:
|
|
mModule->Warn(BfWarning_BF4201_Only7Hex, "Only 7 hex digits specified. Add a leading zero to clarify intention.", literalExpr);
|
|
break;
|
|
case BfWarning_BF4202_TooManyHexForInt:
|
|
mModule->Warn(BfWarning_BF4202_TooManyHexForInt, "Nine hex digits specified. If an 8-digit hex literal was not intended then add a leading zero to clarify.", literalExpr);
|
|
break;
|
|
}
|
|
|
|
GetLiteral(literalExpr, literalExpr->mValue);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfStringInterpolationExpression* stringInterpolationExpression)
|
|
{
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_StringInterpolateFormat) != 0)
|
|
{
|
|
BfVariant variant;
|
|
variant.mTypeCode = BfTypeCode_CharPtr;
|
|
variant.mString = stringInterpolationExpression->mString;
|
|
GetLiteral(stringInterpolationExpression, variant);
|
|
return;
|
|
}
|
|
|
|
//
|
|
{
|
|
SetAndRestoreValue<BfEvalExprFlags> prevEvalExprFlag(mBfEvalExprFlags);
|
|
if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL) && (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mConstEvalAttributeTypeDef)))
|
|
{
|
|
mModule->mAttributeState->mUsed = true;
|
|
mBfEvalExprFlags = (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_Comptime);
|
|
}
|
|
|
|
if (IsConstEval())
|
|
{
|
|
auto stringType = mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef);
|
|
if (stringType != NULL)
|
|
{
|
|
SetAndRestoreValue<bool> prevUsedAsStatement(mUsedAsStatement, true);
|
|
SizedArray<BfExpression*, 2> argExprs;
|
|
argExprs.Add(stringInterpolationExpression);
|
|
BfSizedArray<BfExpression*> sizedArgExprs(argExprs);
|
|
BfResolvedArgs argValues(&sizedArgExprs);
|
|
ResolveArgValues(argValues, BfResolveArgsFlag_InsideStringInterpolationAlloc);
|
|
auto result = MatchMethod(stringInterpolationExpression, NULL, BfTypedValue(stringType), false, false, "ConstF", argValues, BfMethodGenericArguments());
|
|
if (result.mType == stringType)
|
|
{
|
|
mResult = result;
|
|
return;
|
|
}
|
|
}
|
|
|
|
mModule->Fail("Const evaluation of string interpolation not allowed", stringInterpolationExpression);
|
|
}
|
|
}
|
|
|
|
if (stringInterpolationExpression->mAllocNode != NULL)
|
|
{
|
|
auto stringType = mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef)->ToTypeInstance();
|
|
|
|
BfTokenNode* newToken = NULL;
|
|
BfAllocTarget allocTarget;
|
|
ResolveAllocTarget(allocTarget, stringInterpolationExpression->mAllocNode, newToken);
|
|
//
|
|
{
|
|
SetAndRestoreValue<BfEvalExprFlags> prevFlags(mBfEvalExprFlags, (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_NoAutoComplete));
|
|
CreateObject(NULL, stringInterpolationExpression->mAllocNode, stringType, NULL);
|
|
}
|
|
BfTypedValue newString = mResult;
|
|
BF_ASSERT(newString);
|
|
|
|
SetAndRestoreValue<bool> prevUsedAsStatement(mUsedAsStatement, true);
|
|
SizedArray<BfExpression*, 2> argExprs;
|
|
argExprs.Add(stringInterpolationExpression);
|
|
BfSizedArray<BfExpression*> sizedArgExprs(argExprs);
|
|
BfResolvedArgs argValues(&sizedArgExprs);
|
|
ResolveArgValues(argValues, BfResolveArgsFlag_InsideStringInterpolationAlloc);
|
|
MatchMethod(stringInterpolationExpression, NULL, newString, false, false, "AppendF", argValues, BfMethodGenericArguments());
|
|
mResult = newString;
|
|
|
|
return;
|
|
}
|
|
|
|
mModule->Fail("Invalid use of string interpolation expression. Consider adding an allocation specifier such as 'scope'.", stringInterpolationExpression);
|
|
|
|
for (auto block : stringInterpolationExpression->mExpressions)
|
|
{
|
|
VisitChild(block);
|
|
}
|
|
}
|
|
|
|
BfTypedValue BfExprEvaluator::LoadLocal(BfLocalVariable* varDecl, bool allowRef)
|
|
{
|
|
if (!mModule->mIsInsideAutoComplete)
|
|
varDecl->mReadFromId = mModule->mCurMethodState->GetRootMethodState()->mCurAccessId++;
|
|
|
|
// The Beef backend prefers readonly addrs since that reduces register pressure, whereas
|
|
// LLVM prefers values to avoid memory loads. This only applies to primitive types...
|
|
bool preferValue = (varDecl->mResolvedType->IsPrimitiveType()) && (!mModule->IsTargetingBeefBackend());
|
|
|
|
BfTypedValue localResult;
|
|
if (varDecl->mIsThis)
|
|
{
|
|
return mModule->GetThis();
|
|
}
|
|
else if (varDecl->mConstValue)
|
|
{
|
|
localResult = BfTypedValue(varDecl->mConstValue, varDecl->mResolvedType, false);
|
|
}
|
|
else if (varDecl->mIsSplat)
|
|
{
|
|
if (!varDecl->mResolvedType->IsValuelessType())
|
|
localResult = BfTypedValue(varDecl->mValue, varDecl->mResolvedType, BfTypedValueKind_SplatHead);
|
|
else if ((varDecl->mResolvedType->IsRef()) && (!allowRef))
|
|
{
|
|
BF_ASSERT(varDecl->mResolvedType->IsValuelessType());
|
|
localResult = BfTypedValue(varDecl->mValue, varDecl->mResolvedType->GetUnderlyingType());
|
|
}
|
|
else
|
|
localResult = BfTypedValue(varDecl->mValue, varDecl->mResolvedType);
|
|
//BF_ASSERT(varDecl->mValue.IsArg());
|
|
}
|
|
else if ((varDecl->mValue) && ((varDecl->mIsReadOnly && preferValue) || (!varDecl->mAddr)))
|
|
{
|
|
if ((varDecl->mResolvedType->IsRef()) && (!allowRef))
|
|
{
|
|
BfRefType* refType = (BfRefType*)varDecl->mResolvedType;
|
|
BfType* innerType = refType->mElementType;
|
|
|
|
if (innerType->IsGenericParam())
|
|
{
|
|
if (refType->mRefKind == BfRefType::RefKind_Mut)
|
|
{
|
|
localResult = BfTypedValue(varDecl->mValue, innerType, BfTypedValueKind_MutableValue);
|
|
return localResult;
|
|
}
|
|
else
|
|
{
|
|
localResult = BfTypedValue(varDecl->mValue, innerType, BfTypedValueKind_Addr);
|
|
return localResult;
|
|
}
|
|
}
|
|
|
|
localResult = BfTypedValue(varDecl->mValue, innerType, varDecl->mIsReadOnly ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr);
|
|
}
|
|
else
|
|
{
|
|
BfTypedValueKind kind;
|
|
if ((varDecl->mResolvedType->IsComposite()) && (varDecl->mValue.IsArg()))
|
|
{
|
|
kind = varDecl->mIsReadOnly ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr;
|
|
}
|
|
else
|
|
kind = BfTypedValueKind_Value;
|
|
localResult = BfTypedValue(varDecl->mValue, varDecl->mResolvedType, kind);
|
|
}
|
|
}
|
|
else if (varDecl->mAddr)
|
|
{
|
|
if ((varDecl->mResolvedType->IsRef()) && (!allowRef))
|
|
{
|
|
BfRefType* refType = (BfRefType*)varDecl->mResolvedType;
|
|
BfType* innerType = refType->mElementType;
|
|
|
|
if (innerType->IsValuelessType())
|
|
{
|
|
if (refType->mRefKind == BfRefType::RefKind_Mut)
|
|
return BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), innerType, BfTypedValueKind_MutableValue);
|
|
return BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), innerType, varDecl->mIsReadOnly ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr);
|
|
}
|
|
|
|
if (refType->mRefKind == BfRefType::RefKind_Mut)
|
|
{
|
|
if (innerType->IsGenericParam())
|
|
{
|
|
localResult = BfTypedValue(mModule->mBfIRBuilder->CreateAlignedLoad(varDecl->mAddr, varDecl->mResolvedType->mAlign), innerType, BfTypedValueKind_MutableValue);
|
|
return localResult;
|
|
}
|
|
}
|
|
|
|
localResult = BfTypedValue(mModule->mBfIRBuilder->CreateAlignedLoad(varDecl->mAddr, varDecl->mResolvedType->mAlign), innerType, varDecl->mIsReadOnly ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr);
|
|
}
|
|
else if (varDecl->mHasLocalStructBacking)
|
|
{
|
|
// varDecl->mAddr is a "struct**"
|
|
localResult = BfTypedValue(mModule->mBfIRBuilder->CreateAlignedLoad(varDecl->mAddr, varDecl->mResolvedType->mAlign), varDecl->mResolvedType, varDecl->mIsReadOnly ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr);
|
|
}
|
|
else
|
|
localResult = BfTypedValue(varDecl->mAddr, varDecl->mResolvedType, varDecl->mIsReadOnly ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr);
|
|
}
|
|
else if (varDecl->mResolvedType->IsValuelessType())
|
|
{
|
|
if ((varDecl->mResolvedType->IsRef()) && (!allowRef))
|
|
{
|
|
BfRefType* refType = (BfRefType*)varDecl->mResolvedType;
|
|
BfType* innerType = refType->mElementType;
|
|
localResult = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), innerType, true);
|
|
return localResult;
|
|
}
|
|
localResult = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), varDecl->mResolvedType, true);
|
|
}
|
|
else if (varDecl->mCompositeCount >= 0)
|
|
{
|
|
localResult = BfTypedValue(BfIRValue(), mModule->GetPrimitiveType(BfTypeCode_None));
|
|
}
|
|
else
|
|
{
|
|
BF_ASSERT((mModule->mCurMethodState->mClosureState != NULL) || (mModule->mBfIRBuilder->mIgnoreWrites));
|
|
// Just temporary
|
|
auto varType = varDecl->mResolvedType;
|
|
auto allocType = varType;
|
|
if (varType->IsRef())
|
|
{
|
|
BfRefType* refType = (BfRefType*)varType;
|
|
allocType = refType->mElementType;
|
|
}
|
|
|
|
auto declType = varDecl->mResolvedType;
|
|
if (declType->IsRef())
|
|
{
|
|
BfRefType* refType = (BfRefType*)declType;
|
|
declType = refType->mElementType;
|
|
}
|
|
|
|
mModule->PopulateType(allocType);
|
|
varDecl->mAddr = mModule->mBfIRBuilder->CreateAlloca(mModule->mBfIRBuilder->MapType(allocType));
|
|
localResult = BfTypedValue(varDecl->mAddr, declType, true);
|
|
return localResult;
|
|
}
|
|
|
|
if ((varDecl->mIsThis) && (localResult.mKind == BfTypedValueKind_Value))
|
|
localResult.mKind = BfTypedValueKind_ThisValue;
|
|
|
|
return localResult;
|
|
}
|
|
|
|
BfTypedValue BfExprEvaluator::LookupIdentifier(BfAstNode* refNode, const StringImpl& findName, bool ignoreInitialError, bool* hadError)
|
|
{
|
|
int varSkipCount = 0;
|
|
StringT<128> wantName;
|
|
wantName.Reference(findName);
|
|
if (findName.StartsWith('@'))
|
|
{
|
|
wantName = findName;
|
|
while (wantName.StartsWith("@"))
|
|
{
|
|
if (wantName != "@return")
|
|
varSkipCount++;
|
|
wantName.Remove(0);
|
|
}
|
|
}
|
|
|
|
if (wantName.IsEmpty())
|
|
{
|
|
mModule->Fail("Shadowed variable name expected after '@'", refNode);
|
|
}
|
|
|
|
if ((mModule->mCompiler->mCeMachine != NULL) && (mModule->mCompiler->mCeMachine->mDebugger != NULL) && (mModule->mCompiler->mCeMachine->mDebugger->mCurDbgState != NULL))
|
|
{
|
|
auto ceDebugger = mModule->mCompiler->mCeMachine->mDebugger;
|
|
auto ceContext = ceDebugger->mCurDbgState->mCeContext;
|
|
auto activeFrame = ceDebugger->mCurDbgState->mActiveFrame;
|
|
if (activeFrame->mFunction->mDbgInfo != NULL)
|
|
{
|
|
int varSkipCountLeft = varSkipCount;
|
|
int instIdx = activeFrame->GetInstIdx();
|
|
|
|
for (int i = activeFrame->mFunction->mDbgInfo->mVariables.mSize - 1; i >= 0; i--)
|
|
{
|
|
auto& dbgVar = activeFrame->mFunction->mDbgInfo->mVariables[i];
|
|
if (dbgVar.mName == wantName)
|
|
{
|
|
if (varSkipCountLeft > 0)
|
|
{
|
|
varSkipCountLeft--;
|
|
}
|
|
else if ((dbgVar.mValue.mKind == CeOperandKind_AllocaAddr) || (dbgVar.mValue.mKind == CeOperandKind_FrameOfs))
|
|
{
|
|
if ((instIdx >= dbgVar.mStartCodePos) && (instIdx < dbgVar.mEndCodePos))
|
|
{
|
|
return BfTypedValue(mModule->mBfIRBuilder->CreateConstAggCE(mModule->mBfIRBuilder->MapType(dbgVar.mType), activeFrame->mFrameAddr + dbgVar.mValue.mFrameOfs),
|
|
dbgVar.mType, dbgVar.mIsConst ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (findName == "FR")
|
|
{
|
|
auto ptrType = mModule->CreatePointerType(mModule->GetPrimitiveType(BfTypeCode_UInt8));
|
|
auto intVal = mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, activeFrame->mFrameAddr);
|
|
auto ptrVal = mModule->mBfIRBuilder->CreateIntToPtr(intVal, mModule->mBfIRBuilder->MapType(ptrType));
|
|
return BfTypedValue(ptrVal, ptrType);
|
|
}
|
|
}
|
|
|
|
auto identifierNode = BfNodeDynCast<BfIdentifierNode>(refNode);
|
|
if (mModule->mCurMethodState != NULL)
|
|
{
|
|
auto rootMethodState = mModule->mCurMethodState->GetRootMethodState();
|
|
|
|
auto checkMethodState = mModule->mCurMethodState;
|
|
bool isMixinOuterVariablePass = false;
|
|
|
|
while (checkMethodState != NULL)
|
|
{
|
|
BP_ZONE("LookupIdentifier:LocalVar");
|
|
|
|
BfTypeInstance* closureTypeInst = NULL;
|
|
if ((checkMethodState->mClosureState != NULL) && (checkMethodState->mClosureState->mClosureType != NULL) && (!checkMethodState->mClosureState->mCapturing))
|
|
{
|
|
closureTypeInst = mModule->mCurMethodState->mClosureState->mClosureType;
|
|
}
|
|
|
|
int varSkipCountLeft = varSkipCount;
|
|
|
|
BfLocalVarEntry* entry;
|
|
if (checkMethodState->mLocalVarSet.TryGetWith<StringImpl&>(wantName, &entry))
|
|
{
|
|
auto varDecl = entry->mLocalVar;
|
|
|
|
if (varDecl != NULL)
|
|
varSkipCountLeft -= varDecl->mNamePrefixCount;
|
|
|
|
while ((varSkipCountLeft > 0) && (varDecl != NULL))
|
|
{
|
|
varDecl = varDecl->mShadowedLocal;
|
|
varSkipCountLeft--;
|
|
}
|
|
|
|
if ((varDecl != NULL) && (varDecl->mNotCaptured))
|
|
{
|
|
mModule->Fail("Local variable is not captured", refNode);
|
|
}
|
|
|
|
if ((varSkipCountLeft == 0) && (varDecl != NULL))
|
|
{
|
|
if ((closureTypeInst != NULL) && (wantName == "this"))
|
|
break;
|
|
|
|
if ((varDecl->mCompositeCount >= 0) && ((mBfEvalExprFlags & BfEvalExprFlags_AllowParamsExpr) == 0))
|
|
{
|
|
mModule->Fail("Invalid use of 'params' parameter", refNode);
|
|
}
|
|
|
|
if (varDecl->mResolvedType->IsVoid())
|
|
{
|
|
if ((varDecl->mIsReadOnly) && (varDecl->mParamIdx == -2) && (varDecl->mParamFailed))
|
|
{
|
|
BF_ASSERT(mModule->mCurMethodInstance->mMethodDef->mMethodType == BfMethodType_CtorCalcAppend);
|
|
mModule->Fail("The result of append allocations cannot be used in append size calculation methods. Consider moving all append allocations to the start of this method body.", refNode);
|
|
}
|
|
}
|
|
|
|
mModule->SetElementType(identifierNode, (varDecl->IsParam()) ? BfSourceElementType_Parameter : BfSourceElementType_Local);
|
|
|
|
BfTypedValue localResult = LoadLocal(varDecl);
|
|
auto autoComplete = GetAutoComplete();
|
|
if (identifierNode != NULL)
|
|
{
|
|
if (autoComplete != NULL)
|
|
autoComplete->CheckLocalRef(identifierNode, varDecl);
|
|
if (((mModule->mCurMethodState->mClosureState == NULL) || (mModule->mCurMethodState->mClosureState->mCapturing)) &&
|
|
(mModule->mCompiler->mResolvePassData != NULL) && (mModule->mCurMethodInstance != NULL) && (!mModule->mCurMethodState->IsTemporary()))
|
|
mModule->mCompiler->mResolvePassData->HandleLocalReference(identifierNode, varDecl->mNameNode, mModule->mCurTypeInstance->mTypeDef, rootMethodState->mMethodInstance->mMethodDef, varDecl->mLocalVarId);
|
|
}
|
|
|
|
if (!isMixinOuterVariablePass)
|
|
{
|
|
mResultLocalVar = varDecl;
|
|
mResultFieldInstance = NULL;
|
|
mResultLocalVarRefNode = identifierNode;
|
|
}
|
|
return localResult;
|
|
}
|
|
}
|
|
|
|
// Check for the captured locals. It's important we do it here so we get local-first precedence still
|
|
if (closureTypeInst != NULL)
|
|
{
|
|
int varSkipCountLeft = varSkipCount;
|
|
|
|
closureTypeInst->mTypeDef->PopulateMemberSets();
|
|
BfMemberSetEntry* memberSetEntry = NULL;
|
|
if (closureTypeInst->mTypeDef->mFieldSet.TryGetWith((StringImpl&)findName, &memberSetEntry))
|
|
{
|
|
auto fieldDef = (BfFieldDef*)memberSetEntry->mMemberDef;
|
|
auto& field = closureTypeInst->mFieldInstances[fieldDef->mIdx];
|
|
if (!field.mResolvedType->IsValuelessType())
|
|
{
|
|
if (mModule->mCurMethodState->mClosureState->mCapturing)
|
|
{
|
|
mModule->mCurMethodState->mClosureState->mReferencedOuterClosureMembers.Add(&field);
|
|
return mModule->GetDefaultTypedValue(field.mResolvedType);
|
|
}
|
|
|
|
auto localVar = mModule->mCurMethodState->mLocals[0];
|
|
auto thisValue = localVar->mValue;
|
|
mModule->mBfIRBuilder->PopulateType(localVar->mResolvedType);
|
|
BfTypedValue result = BfTypedValue(mModule->mBfIRBuilder->CreateInBoundsGEP(thisValue, 0, field.mDataIdx), field.mResolvedType, true);
|
|
if (field.mResolvedType->IsRef())
|
|
{
|
|
auto refType = (BfRefType*)field.mResolvedType;
|
|
auto underlyingType = refType->GetUnderlyingType();
|
|
result = BfTypedValue(mModule->mBfIRBuilder->CreateLoad(result.mValue), underlyingType, true);
|
|
}
|
|
else if (fieldDef->mIsReadOnly)
|
|
result = mModule->LoadValue(result);
|
|
|
|
//mModule->SetElementType(identifierNode, (localVar->IsParam()) ? BfSourceElementType_Parameter : BfSourceElementType_Local);
|
|
|
|
mResultLocalVar = localVar;
|
|
mResultFieldInstance = &field;
|
|
mResultLocalVarField = -(field.mMergedDataIdx + 1);
|
|
|
|
return result;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((checkMethodState->mClosureState != NULL) && (checkMethodState->mClosureState->mCapturing) /*&& (checkMethodState->mClosureState->mIsLocalMethod)*/)
|
|
{
|
|
checkMethodState = checkMethodState->mPrevMethodState;
|
|
continue;
|
|
}
|
|
|
|
// Allow local mixin to see outside variables during its processing -- since we don't actually "capture" those into params
|
|
bool isLocalMixinProcessing = false;
|
|
if ((checkMethodState->mClosureState != NULL) && (!checkMethodState->mClosureState->mCapturing) && (closureTypeInst == NULL) &&
|
|
(mModule->mCurMethodInstance->mMethodDef->mMethodType == BfMethodType_Mixin))
|
|
isLocalMixinProcessing = true;
|
|
if (!isLocalMixinProcessing)
|
|
break;
|
|
|
|
isMixinOuterVariablePass = true;
|
|
checkMethodState = checkMethodState->mPrevMethodState;
|
|
}
|
|
}
|
|
|
|
if ((mModule->mCurMethodInstance == NULL) && (mModule->mCurTypeInstance != NULL) && (mModule->mCurTypeInstance->IsEnum()))
|
|
{
|
|
if (findName == "_")
|
|
{
|
|
BfFieldDef* resolvingFieldDef = NULL;
|
|
auto checkTypeState = mModule->mContext->mCurTypeState;
|
|
while (checkTypeState != NULL)
|
|
{
|
|
if (checkTypeState->mCurFieldDef != NULL)
|
|
{
|
|
if (checkTypeState->mType == mModule->mCurTypeInstance)
|
|
resolvingFieldDef = checkTypeState->mCurFieldDef;
|
|
}
|
|
checkTypeState = checkTypeState->mPrevState;
|
|
}
|
|
|
|
if ((resolvingFieldDef != NULL) &&
|
|
(mModule->mCompiler->mResolvePassData != NULL) &&
|
|
(!mModule->mCompiler->mResolvePassData->mParsers.IsEmpty()) &&
|
|
(mModule->mCompiler->mResolvePassData->mParsers[0] == resolvingFieldDef->mFieldDeclaration->GetParser()) &&
|
|
(GetAutoComplete() != NULL))
|
|
{
|
|
return mModule->GetDefaultTypedValue(mModule->mCurTypeInstance);
|
|
}
|
|
else if ((resolvingFieldDef != NULL) && (resolvingFieldDef->mIdx > 0))
|
|
{
|
|
auto enumType = mModule->mCurTypeInstance;
|
|
if (!enumType->mFieldInstances.IsEmpty())
|
|
{
|
|
auto fieldInstance = &mModule->mCurTypeInstance->mFieldInstances[resolvingFieldDef->mIdx - 1];
|
|
if ((fieldInstance->mConstIdx != -1) &&
|
|
(fieldInstance->mResolvedType == mModule->mCurTypeInstance))
|
|
{
|
|
auto foreignConst = enumType->mConstHolder->GetConstantById(fieldInstance->mConstIdx);
|
|
auto retVal = mModule->ConstantToCurrent(foreignConst, enumType->mConstHolder, enumType);
|
|
return BfTypedValue(retVal, enumType);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
BfTypedValue thisValue = mModule->GetThis(false);
|
|
|
|
bool forcedIFaceLookup = false;
|
|
if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsForeignMethodDef))
|
|
{
|
|
thisValue.mType = mModule->mCurMethodInstance->GetForeignType();
|
|
forcedIFaceLookup = true;
|
|
}
|
|
|
|
if (thisValue)
|
|
{
|
|
if (findName == "this")
|
|
{
|
|
mModule->MarkUsingThis();
|
|
return thisValue;
|
|
}
|
|
if (findName == "base")
|
|
{
|
|
auto baseValue = thisValue;
|
|
if (baseValue.IsThis())
|
|
baseValue.ToBase();
|
|
|
|
if (mModule->GetActiveTypeDef()->mTypeCode != BfTypeCode_Extension)
|
|
{
|
|
MakeBaseConcrete(baseValue);
|
|
}
|
|
mModule->MarkUsingThis();
|
|
return baseValue;
|
|
}
|
|
|
|
if (!mModule->mCurMethodState->HasNonStaticMixin())
|
|
{
|
|
mResultLocalVar = mModule->GetThisVariable();
|
|
mResultFieldInstance = NULL;
|
|
mResultLocalVarRefNode = identifierNode;
|
|
}
|
|
}
|
|
|
|
if (!thisValue.HasType())
|
|
{
|
|
if ((mModule->mContext->mCurTypeState != NULL) && (mModule->mContext->mCurTypeState->mType == mModule->mCurTypeInstance) &&
|
|
(mModule->mContext->mCurTypeState->mResolveKind == BfTypeState::ResolveKind_Attributes))
|
|
{
|
|
// Can't do static lookups yet
|
|
}
|
|
else
|
|
thisValue = BfTypedValue(mModule->mCurTypeInstance);
|
|
}
|
|
|
|
BfTypedValue result;
|
|
if (thisValue.HasType())
|
|
{
|
|
result = LookupField(identifierNode, thisValue, findName, BfLookupFieldFlag_IsImplicitThis);
|
|
if (mResultFieldInstance == NULL)
|
|
{
|
|
mResultLocalVar = NULL;
|
|
mResultLocalVarRefNode = NULL;
|
|
}
|
|
}
|
|
|
|
if (mPropDef != NULL)
|
|
{
|
|
if (forcedIFaceLookup)
|
|
{
|
|
if (mPropTarget == thisValue)
|
|
{
|
|
mPropDefBypassVirtual = true;
|
|
mOrigPropTarget = mModule->GetThis();
|
|
}
|
|
}
|
|
}
|
|
if ((!result) && (mPropDef == NULL))
|
|
{
|
|
if (mModule->mContext->mCurTypeState != NULL)
|
|
{
|
|
// This is not necessarily true since we changed ConstResolver
|
|
//BF_ASSERT(mModule->mCurTypeInstance == mModule->mContext->mCurTypeState->mTypeInstance);
|
|
|
|
BfGlobalLookup globalLookup;
|
|
globalLookup.mKind = BfGlobalLookup::Kind_Field;
|
|
globalLookup.mName = findName;
|
|
mModule->PopulateGlobalContainersList(globalLookup);
|
|
for (auto& globalContainer : mModule->mContext->mCurTypeState->mGlobalContainers)
|
|
{
|
|
if (globalContainer.mTypeInst == NULL)
|
|
continue;
|
|
thisValue = BfTypedValue(globalContainer.mTypeInst);
|
|
result = LookupField(identifierNode, thisValue, findName);
|
|
if ((result) || (mPropDef != NULL))
|
|
{
|
|
mModule->SetElementType(identifierNode, BfSourceElementType_Member);
|
|
return result;
|
|
}
|
|
}
|
|
}
|
|
|
|
auto staticSearch = mModule->GetStaticSearch();
|
|
if (staticSearch != NULL)
|
|
{
|
|
for (auto typeInst : staticSearch->mStaticTypes)
|
|
{
|
|
thisValue = BfTypedValue(typeInst);
|
|
result = LookupField(identifierNode, thisValue, findName);
|
|
if ((result) || (mPropDef != NULL))
|
|
{
|
|
mModule->SetElementType(identifierNode, BfSourceElementType_Member);
|
|
return result;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
mModule->SetElementType(identifierNode, BfSourceElementType_Member);
|
|
}
|
|
|
|
if ((!result) && (identifierNode != NULL))
|
|
{
|
|
result = mModule->TryLookupGenericConstVaue(identifierNode, mExpectingType);
|
|
if ((mBfEvalExprFlags & (BfEvalExprFlags_Comptime | BfEvalExprFlags_AllowGenericConstValue)) == BfEvalExprFlags_Comptime)
|
|
{
|
|
if (result.mKind == BfTypedValueKind_GenericConstValue)
|
|
{
|
|
auto genericParamDef = mModule->GetGenericParamInstance((BfGenericParamType*)result.mType);
|
|
if ((genericParamDef->mGenericParamFlags & BfGenericParamFlag_Const) != 0)
|
|
{
|
|
auto genericTypeConstraint = genericParamDef->mTypeConstraint;
|
|
if (genericTypeConstraint != NULL)
|
|
{
|
|
auto primType = genericTypeConstraint->ToPrimitiveType();
|
|
if (primType != NULL)
|
|
{
|
|
BfTypedValue result;
|
|
result.mKind = BfTypedValueKind_Value;
|
|
result.mType = genericTypeConstraint;
|
|
result.mValue = mModule->mBfIRBuilder->GetUndefConstValue(mModule->mBfIRBuilder->GetPrimitiveType(primType->mTypeDef->mTypeCode));
|
|
return result;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
BF_FATAL("Error");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
mModule->FixValueActualization(result);
|
|
}
|
|
|
|
if ((mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mClosureState != NULL) && (findName == "@this"))
|
|
{
|
|
if (mModule->mCurMethodState->mClosureState->mCapturing)
|
|
{
|
|
if (mModule->mCurMethodState->mClosureState->mDelegateType != NULL)
|
|
{
|
|
mModule->mCurMethodState->mClosureState->mCapturedDelegateSelf = true;
|
|
return mModule->GetDefaultTypedValue(mModule->mCurMethodState->mClosureState->mDelegateType);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!mModule->mCurMethodState->mLocals.IsEmpty())
|
|
{
|
|
auto thisLocal = mModule->mCurMethodState->mLocals[0];
|
|
if (thisLocal->mIsThis)
|
|
return BfTypedValue(mModule->mBfIRBuilder->CreateLoad(thisLocal->mAddr), thisLocal->mResolvedType);
|
|
}
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
BfTypedValue BfExprEvaluator::LookupIdentifier(BfIdentifierNode* identifierNode, bool ignoreInitialError, bool* hadError)
|
|
{
|
|
auto qualifiedNameNode = BfNodeDynCast<BfQualifiedNameNode>(identifierNode);
|
|
if (qualifiedNameNode != NULL)
|
|
{
|
|
LookupQualifiedName(qualifiedNameNode, ignoreInitialError, hadError);
|
|
auto qualifiedResult = mResult;
|
|
mResult = BfTypedValue();
|
|
return qualifiedResult;
|
|
}
|
|
|
|
StringT<128> identifierStr;
|
|
identifierNode->ToString(identifierStr);
|
|
return LookupIdentifier(identifierNode, identifierStr, ignoreInitialError, hadError);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfIdentifierNode* identifierNode)
|
|
{
|
|
auto autoComplete = GetAutoComplete();
|
|
|
|
if (autoComplete != NULL)
|
|
autoComplete->CheckIdentifier(identifierNode, true);
|
|
|
|
mResult = LookupIdentifier(identifierNode);
|
|
if ((!mResult) && (mPropDef == NULL))
|
|
{
|
|
mModule->CheckTypeRefFixit(identifierNode);
|
|
if ((autoComplete != NULL) && (autoComplete->CheckFixit(identifierNode)))
|
|
{
|
|
if ((mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mClosureState != NULL) && (mModule->mCurMethodState->mClosureState->mCapturing))
|
|
{
|
|
// During this phase we don't have lambda and local method params available so they would result in erroneous fixits
|
|
}
|
|
else if (mModule->mCurMethodInstance != NULL)
|
|
{
|
|
BfType* fieldType = mExpectingType;
|
|
if (fieldType == NULL)
|
|
fieldType = mModule->mContext->mBfObjectType;
|
|
|
|
autoComplete->FixitAddMember(mModule->mCurTypeInstance, fieldType, identifierNode->ToString(), true, mModule->mCurTypeInstance);
|
|
if (!mModule->mCurMethodInstance->mMethodDef->mIsStatic)
|
|
autoComplete->FixitAddMember(mModule->mCurTypeInstance, fieldType, identifierNode->ToString(), false, mModule->mCurTypeInstance);
|
|
|
|
for (auto typeDef : mModule->mSystem->mTypeDefs)
|
|
{
|
|
if (!typeDef->mIsCombinedPartial)
|
|
continue;
|
|
if (!typeDef->IsGlobalsContainer())
|
|
continue;
|
|
|
|
typeDef->PopulateMemberSets();
|
|
|
|
String findName = identifierNode->ToString();
|
|
BfMemberSetEntry* memberSetEntry;
|
|
if ((typeDef->mMethodSet.TryGetWith(findName, &memberSetEntry)) ||
|
|
(typeDef->mFieldSet.TryGetWith(findName, &memberSetEntry)) ||
|
|
(typeDef->mPropertySet.TryGetWith(findName, &memberSetEntry)))
|
|
{
|
|
if (mModule->GetActiveTypeDef()->mProject->ContainsReference(typeDef->mProject))
|
|
autoComplete->FixitAddNamespace(identifierNode, typeDef->mNamespace.ToString());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (((mBfEvalExprFlags & BfEvalExprFlags_NameOf) != 0) && (mModule->mCurTypeInstance != NULL) && (CheckForMethodName(identifierNode, mModule->mCurTypeInstance, identifierNode->ToString())))
|
|
return;
|
|
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_NoLookupError) == 0)
|
|
mModule->Fail("Identifier not found", identifierNode);
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfAttributedIdentifierNode* attrIdentifierNode)
|
|
{
|
|
if ((mModule->mAttributeState != NULL))
|
|
{
|
|
mModule->mAttributeState->mCustomAttributes = mModule->GetCustomAttributes(attrIdentifierNode->mAttributes, mModule->mAttributeState->mTarget);
|
|
VisitChild(attrIdentifierNode->mIdentifier);
|
|
}
|
|
else
|
|
{
|
|
BfAttributeState attributeState;
|
|
attributeState.mTarget = (BfAttributeTargets)(BfAttributeTargets_MemberAccess);
|
|
SetAndRestoreValue<BfAttributeState*> prevAttributeState(mModule->mAttributeState, &attributeState);
|
|
mModule->mAttributeState->mCustomAttributes = mModule->GetCustomAttributes(attrIdentifierNode->mAttributes, mModule->mAttributeState->mTarget);
|
|
VisitChild(attrIdentifierNode->mIdentifier);
|
|
}
|
|
}
|
|
|
|
static int gPropIdx = 0;
|
|
|
|
void BfExprEvaluator::FixitAddMember(BfTypeInstance* typeInst, BfType* fieldType, const StringImpl& fieldName, bool isStatic)
|
|
{
|
|
if (fieldType == NULL)
|
|
{
|
|
fieldType = mExpectingType;
|
|
}
|
|
|
|
if (fieldType != NULL)
|
|
{
|
|
if (fieldType->IsRef())
|
|
fieldType = fieldType->GetUnderlyingType();
|
|
}
|
|
|
|
mModule->mCompiler->mResolvePassData->mAutoComplete->FixitAddMember(typeInst, fieldType, fieldName, isStatic, mModule->mCurTypeInstance);
|
|
}
|
|
|
|
BfTypedValue BfExprEvaluator::TryArrowLookup(BfTypedValue typedValue, BfTokenNode* arrowToken)
|
|
{
|
|
auto arrowValue = PerformUnaryOperation_TryOperator(typedValue, NULL, BfUnaryOp_Arrow, arrowToken, BfUnaryOpFlag_None);
|
|
if (arrowValue)
|
|
return arrowValue;
|
|
if (mModule->PreFail())
|
|
mModule->Fail(StrFormat("Type '%s' does not contain a '->' operator", mModule->TypeToString(typedValue.mType).c_str()), arrowToken);
|
|
return typedValue;
|
|
}
|
|
|
|
BfTypedValue BfExprEvaluator::LoadProperty(BfAstNode* targetSrc, BfTypedValue target, BfTypeInstance* typeInstance, BfPropertyDef* prop, BfLookupFieldFlags flags, BfCheckedKind checkedKind, bool isInlined)
|
|
{
|
|
BfTypedValue origTarget = target;
|
|
if ((target.mType != NULL) && (target.mType->IsStructPtr()))
|
|
{
|
|
target = mModule->LoadValue(target);
|
|
target = BfTypedValue(target.mValue, target.mType->GetUnderlyingType(), target.IsReadOnly() ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr);
|
|
}
|
|
|
|
if ((flags & BfLookupFieldFlag_IsAnonymous) == 0)
|
|
mModule->SetElementType(targetSrc, BfSourceElementType_Method);
|
|
|
|
if ((!prop->mIsStatic) && ((flags & BfLookupFieldFlag_IsImplicitThis) != 0))
|
|
mModule->MarkUsingThis();
|
|
|
|
mPropSrc = targetSrc;
|
|
mPropDef = prop;
|
|
mPropCheckedKind = checkedKind;
|
|
if (isInlined)
|
|
mPropGetMethodFlags = (BfGetMethodInstanceFlags)(mPropGetMethodFlags | BfGetMethodInstanceFlag_ForceInline);
|
|
|
|
if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL))
|
|
{
|
|
if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mFriendAttributeTypeDef))
|
|
{
|
|
mPropGetMethodFlags = (BfGetMethodInstanceFlags)(mPropGetMethodFlags | BfGetMethodInstanceFlag_Friend);
|
|
mModule->mAttributeState->mUsed = true;
|
|
}
|
|
if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mDisableObjectAccessChecksAttributeTypeDef))
|
|
{
|
|
mPropGetMethodFlags = (BfGetMethodInstanceFlags)(mPropGetMethodFlags | BfGetMethodInstanceFlag_DisableObjectAccessChecks);
|
|
mModule->mAttributeState->mUsed = true;
|
|
}
|
|
}
|
|
|
|
if (mPropDef->mIsStatic)
|
|
{
|
|
if ((target) && ((flags & BfLookupFieldFlag_IsImplicitThis) == 0) && (!typeInstance->mTypeDef->IsGlobalsContainer()))
|
|
{
|
|
//CS0176: Member 'Program.sVal' cannot be accessed with an instance reference; qualify it with a type name instead
|
|
mModule->Fail(StrFormat("Property '%s.%s' cannot be accessed with an instance reference; qualify it with a type name instead",
|
|
mModule->TypeToString(typeInstance).c_str(), mPropDef->mName.c_str()), targetSrc);
|
|
}
|
|
}
|
|
|
|
bool isBaseLookup = (target.mType) && (typeInstance != target.mType);
|
|
if ((isBaseLookup) && (target.mType->IsWrappableType()))
|
|
isBaseLookup = false;
|
|
|
|
if (prop->mIsStatic)
|
|
mPropTarget = BfTypedValue(typeInstance);
|
|
else if (isBaseLookup)
|
|
{
|
|
if (target.mValue.IsFake())
|
|
{
|
|
mPropTarget = BfTypedValue(target.mValue, typeInstance, target.mKind);
|
|
}
|
|
else
|
|
{
|
|
mPropTarget = mModule->Cast(targetSrc, target, typeInstance);
|
|
BF_ASSERT(mPropTarget);
|
|
}
|
|
}
|
|
else
|
|
mPropTarget = target;
|
|
|
|
mOrigPropTarget = mPropTarget;
|
|
if (prop->mIsStatic)
|
|
mOrigPropTarget = target;
|
|
|
|
#ifdef _DEBUG
|
|
if (mPropTarget)
|
|
{
|
|
auto propTargetTypeInst = mPropTarget.mType->ToTypeInstance();
|
|
if (propTargetTypeInst != NULL)
|
|
{
|
|
BF_ASSERT(prop->mDeclaringType->mFullNameEx == propTargetTypeInst->mTypeDef->mFullNameEx);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if ((flags & BfLookupFieldFlag_IsAnonymous) == 0)
|
|
{
|
|
auto autoComplete = GetAutoComplete();
|
|
auto resolvePassData = mModule->mCompiler->mResolvePassData;
|
|
if (((autoComplete != NULL) && (autoComplete->mIsGetDefinition)) ||
|
|
((resolvePassData != NULL) && (resolvePassData->mGetSymbolReferenceKind == BfGetSymbolReferenceKind_Property)))
|
|
{
|
|
BfPropertyDef* basePropDef = mPropDef;
|
|
BfTypeInstance* baseTypeInst = typeInstance;
|
|
mModule->GetBasePropertyDef(basePropDef, baseTypeInst);
|
|
resolvePassData->HandlePropertyReference(targetSrc, baseTypeInst->mTypeDef, basePropDef);
|
|
if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(targetSrc)))
|
|
{
|
|
if (autoComplete->mIsGetDefinition)
|
|
{
|
|
//NOTE: passing 'force=true' in here causes https://github.com/beefytech/Beef/issues/1064
|
|
autoComplete->SetDefinitionLocation(basePropDef->GetRefNode());
|
|
}
|
|
autoComplete->mDefProp = basePropDef;
|
|
autoComplete->mDefType = baseTypeInst->mTypeDef;
|
|
}
|
|
}
|
|
|
|
if ((autoComplete != NULL) && (autoComplete->mResolveType == BfResolveType_GetResultString) && (autoComplete->IsAutocompleteNode(targetSrc)))
|
|
{
|
|
BfPropertyDef* basePropDef = mPropDef;
|
|
BfTypeInstance* baseTypeInst = typeInstance;
|
|
mModule->GetBasePropertyDef(basePropDef, baseTypeInst);
|
|
|
|
autoComplete->mResultString = ":";
|
|
autoComplete->mResultString += mModule->TypeToString(baseTypeInst);
|
|
autoComplete->mResultString += ".";
|
|
autoComplete->mResultString += basePropDef->mName;
|
|
}
|
|
}
|
|
|
|
// Check for direct auto-property access
|
|
if ((target.mType == mModule->mCurTypeInstance) && ((flags & BfLookupFieldFlag_BindOnly) == 0))
|
|
{
|
|
if (auto propertyDeclaration = BfNodeDynCast<BfPropertyDeclaration>(mPropDef->mFieldDeclaration))
|
|
{
|
|
if ((typeInstance->mTypeDef->HasAutoProperty(propertyDeclaration)) && (propertyDeclaration->mVirtualSpecifier == NULL))
|
|
{
|
|
BfMethodDef* getter = GetPropertyMethodDef(mPropDef, BfMethodType_PropertyGetter, BfCheckedKind_NotSet, mPropTarget);
|
|
BfMethodDef* setter = GetPropertyMethodDef(mPropDef, BfMethodType_PropertySetter, BfCheckedKind_NotSet, mPropTarget);
|
|
|
|
bool optAllowed = true;
|
|
if ((getter != NULL) && (getter->mBody != NULL))
|
|
optAllowed = false;
|
|
if ((setter != NULL) && (setter->mBody != NULL))
|
|
optAllowed = false;
|
|
|
|
if (optAllowed)
|
|
{
|
|
auto autoFieldName = typeInstance->mTypeDef->GetAutoPropertyName(propertyDeclaration);
|
|
auto result = LookupField(targetSrc, target, autoFieldName, (BfLookupFieldFlags)(BfLookupFieldFlag_IgnoreProtection | BfLookupFieldFlag_IsImplicitThis));
|
|
if (result)
|
|
{
|
|
bool needsCopy = true;
|
|
|
|
if (BfNodeIsA<BfRefTypeRef>(prop->mTypeRef))
|
|
{
|
|
// Allow full ref
|
|
}
|
|
else
|
|
{
|
|
if (setter == NULL)
|
|
{
|
|
if (((mModule->mCurMethodInstance->mMethodDef->mMethodType == BfMethodType_Ctor)) &&
|
|
(target.mType == mModule->mCurTypeInstance))
|
|
{
|
|
// Allow writing inside ctor
|
|
}
|
|
else
|
|
{
|
|
result.MakeReadOnly();
|
|
needsCopy = false;
|
|
}
|
|
}
|
|
|
|
if (result.mKind == BfTypedValueKind_Addr)
|
|
result.mKind = BfTypedValueKind_CopyOnMutateAddr;
|
|
}
|
|
|
|
mPropDef = NULL;
|
|
mPropSrc = NULL;
|
|
mOrigPropTarget = BfTypedValue();
|
|
return result;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
SetAndRestoreValue<BfTypedValue> prevResult(mResult, target);
|
|
CheckResultForReading(mResult);
|
|
return BfTypedValue();
|
|
}
|
|
|
|
BfTypedValue BfExprEvaluator::LoadField(BfAstNode* targetSrc, BfTypedValue target, BfTypeInstance* typeInstance, BfFieldDef* fieldDef, BfLookupFieldFlags flags)
|
|
{
|
|
if (fieldDef->mIsProperty)
|
|
{
|
|
BfPropertyDef* propDef = (BfPropertyDef*)fieldDef;
|
|
return LoadProperty(targetSrc, target, typeInstance, propDef, flags, BfCheckedKind_NotSet, false);
|
|
}
|
|
|
|
bool isFailurePass = (flags & BfLookupFieldFlag_IsFailurePass) != 0;
|
|
|
|
auto fieldInstance = &typeInstance->mFieldInstances[fieldDef->mIdx];
|
|
|
|
bool isResolvingFields = typeInstance->mResolvingConstField || typeInstance->mResolvingVarField;
|
|
|
|
if (fieldDef->mIsVolatile)
|
|
mIsVolatileReference = true;
|
|
|
|
if (fieldInstance->mCustomAttributes != NULL)
|
|
mModule->CheckErrorAttributes(fieldInstance->mOwner, NULL, fieldInstance, fieldInstance->mCustomAttributes, targetSrc);
|
|
|
|
if (isFailurePass)
|
|
{
|
|
if (mModule->GetCeDbgState() == NULL)
|
|
mModule->Fail(StrFormat("'%s.%s' is inaccessible due to its protection level", mModule->TypeToString(typeInstance).c_str(), fieldDef->mName.c_str()), targetSrc);
|
|
}
|
|
|
|
auto resolvePassData = mModule->mCompiler->mResolvePassData;
|
|
if ((resolvePassData != NULL) && (resolvePassData->mGetSymbolReferenceKind == BfGetSymbolReferenceKind_Field) && ((flags & BfLookupFieldFlag_IsAnonymous) == 0))
|
|
{
|
|
resolvePassData->HandleFieldReference(targetSrc, typeInstance->mTypeDef, fieldDef);
|
|
}
|
|
|
|
if ((!typeInstance->mTypeFailed) && (!isResolvingFields) && (typeInstance->IsIncomplete()))
|
|
{
|
|
if ((fieldInstance->mResolvedType == NULL) ||
|
|
(!fieldDef->mIsStatic))
|
|
{
|
|
mModule->PopulateType(typeInstance, BfPopulateType_Data);
|
|
|
|
// Update fieldInstance pointer as it may have moved
|
|
fieldInstance = &typeInstance->mFieldInstances[fieldDef->mIdx];
|
|
}
|
|
}
|
|
|
|
if (fieldInstance->mResolvedType == NULL)
|
|
{
|
|
if (mModule->mCompiler->EnsureCeUnpaused(typeInstance))
|
|
{
|
|
BF_ASSERT((typeInstance->mTypeFailed) || (isResolvingFields));
|
|
}
|
|
return BfTypedValue();
|
|
}
|
|
|
|
if (fieldInstance->mFieldIdx == -1)
|
|
{
|
|
mModule->AssertErrorState();
|
|
return BfTypedValue();
|
|
}
|
|
|
|
if ((!fieldDef->mIsStatic) && ((flags & BfLookupFieldFlag_IsImplicitThis) != 0))
|
|
mModule->MarkUsingThis();
|
|
|
|
mResultFieldInstance = fieldInstance;
|
|
|
|
// Are we accessing a 'var' field that has not yet been resolved?
|
|
if (IsVar(fieldInstance->mResolvedType))
|
|
{
|
|
// This can happen if we have one var field referencing another var field
|
|
fieldInstance->mResolvedType = mModule->ResolveVarFieldType(typeInstance, fieldInstance, fieldDef);
|
|
if (fieldInstance->mResolvedType == NULL)
|
|
return BfTypedValue();
|
|
}
|
|
|
|
auto resolvedFieldType = fieldInstance->mResolvedType;
|
|
if (fieldInstance->mIsEnumPayloadCase)
|
|
{
|
|
resolvedFieldType = typeInstance;
|
|
}
|
|
|
|
mModule->PopulateType(resolvedFieldType, BfPopulateType_Data);
|
|
mModule->AddDependency(typeInstance, mModule->mCurTypeInstance, fieldDef->mIsConst ? BfDependencyMap::DependencyFlag_ConstValue : BfDependencyMap::DependencyFlag_ReadFields);
|
|
if (fieldInstance->mHadConstEval)
|
|
{
|
|
mModule->AddDependency(typeInstance, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_ConstEvalConstField);
|
|
if ((mModule->mContext->mCurTypeState != NULL) && (mModule->mContext->mCurTypeState->mCurFieldDef != NULL))
|
|
{
|
|
// If we're initializing another const field then also set it as having const eval
|
|
auto resolvingFieldInstance = &mModule->mContext->mCurTypeState->mType->ToTypeInstance()->mFieldInstances[mModule->mContext->mCurTypeState->mCurFieldDef->mIdx];
|
|
if (resolvingFieldInstance->GetFieldDef()->mIsConst)
|
|
resolvingFieldInstance->mHadConstEval = true;
|
|
}
|
|
}
|
|
|
|
if ((flags & BfLookupFieldFlag_IsAnonymous) == 0)
|
|
{
|
|
auto autoComplete = GetAutoComplete();
|
|
if (autoComplete != NULL)
|
|
{
|
|
autoComplete->CheckFieldRef(BfNodeDynCast<BfIdentifierNode>(targetSrc), fieldInstance);
|
|
if ((autoComplete->mResolveType == BfResolveType_GetResultString) && (autoComplete->IsAutocompleteNode(targetSrc)))
|
|
{
|
|
autoComplete->mResultString = ":";
|
|
autoComplete->mResultString += mModule->TypeToString(fieldInstance->mResolvedType);
|
|
autoComplete->mResultString += " ";
|
|
autoComplete->mResultString += mModule->TypeToString(typeInstance);
|
|
autoComplete->mResultString += ".";
|
|
autoComplete->mResultString += fieldDef->mName;
|
|
|
|
if (fieldInstance->mConstIdx != -1)
|
|
{
|
|
String constStr = autoComplete->ConstantToString(typeInstance->mConstHolder, BfTypedValue(BfIRValue(BfIRValueFlags_Const, fieldInstance->mConstIdx), fieldInstance->mResolvedType));
|
|
if (!constStr.IsEmpty())
|
|
{
|
|
autoComplete->mResultString += " = ";
|
|
if (constStr.StartsWith(':'))
|
|
autoComplete->mResultString.Append(StringView(constStr, 1, constStr.mLength - 1));
|
|
else
|
|
autoComplete->mResultString += constStr;
|
|
}
|
|
}
|
|
|
|
auto fieldDecl = fieldInstance->GetFieldDef()->GetFieldDeclaration();
|
|
if ((fieldDecl != NULL) && (fieldDecl->mDocumentation != NULL))
|
|
{
|
|
String docString;
|
|
fieldDecl->mDocumentation->GetDocString(docString);
|
|
autoComplete->mResultString += "\x03";
|
|
autoComplete->mResultString += docString;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (fieldDef->mIsStatic)
|
|
{
|
|
if (target)
|
|
{
|
|
//BF_ASSERT((flags & BfLookupFieldFlag_HasInstance) != 0);
|
|
flags = (BfLookupFieldFlags)(flags | BfLookupFieldFlag_HasInstance);
|
|
}
|
|
|
|
if (((flags & BfLookupFieldFlag_HasInstance) != 0) && ((flags & BfLookupFieldFlag_IsImplicitThis) == 0) && (!typeInstance->mTypeDef->IsGlobalsContainer()))
|
|
{
|
|
//CS0176: Member 'Program.sVal' cannot be accessed with an instance reference; qualify it with a type name instead
|
|
mModule->Fail(StrFormat("Member '%s.%s' cannot be accessed with an instance reference; qualify it with a type name instead",
|
|
mModule->TypeToString(typeInstance).c_str(), fieldDef->mName.c_str()), targetSrc);
|
|
}
|
|
|
|
// Target must be an implicit 'this', or an error (accessing a static with a non-static target).
|
|
// Not actually needed in either case since this is a static lookup.
|
|
mResultLocalVar = NULL;
|
|
}
|
|
|
|
bool isConst = false;
|
|
if (fieldDef->mIsConst)
|
|
{
|
|
isConst = true;
|
|
auto fieldDef = fieldInstance->GetFieldDef();
|
|
if ((resolvedFieldType->IsPointer()) && (fieldDef->mIsExtern))
|
|
isConst = false;
|
|
}
|
|
|
|
if (isConst)
|
|
{
|
|
if (fieldInstance->mIsEnumPayloadCase)
|
|
{
|
|
auto dscrType = typeInstance->GetDiscriminatorType();
|
|
|
|
mModule->mBfIRBuilder->PopulateType(typeInstance);
|
|
int tagIdx = -fieldInstance->mDataIdx - 1;
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_AllowEnumId) != 0)
|
|
{
|
|
return BfTypedValue(mModule->mBfIRBuilder->CreateConst(dscrType->mTypeDef->mTypeCode, tagIdx), fieldInstance->mOwner);
|
|
}
|
|
mModule->PopulateType(fieldInstance->mOwner, BfPopulateType_Data);
|
|
|
|
if (auto fieldTypeInstance = fieldInstance->mResolvedType->ToTypeInstance())
|
|
{
|
|
bool hasFields = false;
|
|
for (auto& fieldInstance : fieldTypeInstance->mFieldInstances)
|
|
{
|
|
if (!fieldInstance.mResolvedType->IsVoid())
|
|
hasFields = true;
|
|
}
|
|
if (hasFields)
|
|
mModule->FailAfter("Enum payload arguments expected", targetSrc);
|
|
}
|
|
|
|
SizedArray<BfIRValue, 3> values;
|
|
values.Add(mModule->mBfIRBuilder->CreateConstAggZero(mModule->mBfIRBuilder->MapType(typeInstance->mBaseType)));
|
|
values.Add(mModule->GetDefaultValue(typeInstance->GetUnionInnerType()));
|
|
values.Add(mModule->mBfIRBuilder->CreateConst(dscrType->mTypeDef->mTypeCode, tagIdx));
|
|
return BfTypedValue(mModule->mBfIRBuilder->CreateConstAgg(mModule->mBfIRBuilder->MapType(typeInstance), values), typeInstance);
|
|
}
|
|
|
|
if (fieldInstance->mConstIdx == -1)
|
|
{
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_DeclType) != 0)
|
|
{
|
|
// We don't need a real value
|
|
return BfTypedValue(mModule->GetDefaultValue(resolvedFieldType), resolvedFieldType);
|
|
}
|
|
|
|
typeInstance->mModule->ResolveConstField(typeInstance, fieldInstance, fieldDef);
|
|
if (fieldInstance->mConstIdx == -1)
|
|
return BfTypedValue(mModule->GetDefaultValue(resolvedFieldType), resolvedFieldType);
|
|
}
|
|
|
|
BF_ASSERT(fieldInstance->mConstIdx != -1);
|
|
|
|
auto foreignConst = typeInstance->mConstHolder->GetConstantById(fieldInstance->mConstIdx);
|
|
auto retVal = mModule->ConstantToCurrent(foreignConst, typeInstance->mConstHolder, resolvedFieldType);
|
|
return BfTypedValue(retVal, resolvedFieldType);
|
|
}
|
|
else if (fieldDef->mIsStatic)
|
|
{
|
|
if ((mModule->mAttributeState == NULL) || (mModule->mAttributeState->mCustomAttributes == NULL) ||
|
|
(!mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mNoStaticCtorAttributeTypeDef)))
|
|
{
|
|
mModule->CheckStaticAccess(typeInstance);
|
|
}
|
|
|
|
auto retVal = mModule->ReferenceStaticField(fieldInstance);
|
|
bool isStaticCtor = (mModule->mCurMethodInstance != NULL) &&
|
|
(mModule->mCurMethodInstance->mMethodDef->IsCtorOrInit()) &&
|
|
(mModule->mCurMethodInstance->mMethodDef->mIsStatic);
|
|
|
|
if ((mModule->mCompiler->mOptions.mRuntimeChecks) && (fieldInstance->IsAppendedObject()) && (!mModule->mBfIRBuilder->mIgnoreWrites) &&
|
|
(!mModule->IsSkippingExtraResolveChecks()))
|
|
{
|
|
auto intType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
|
|
auto intPtrType = mModule->CreatePointerType(intType);
|
|
auto intPtrVal = mModule->mBfIRBuilder->CreateBitCast(retVal.mValue, mModule->mBfIRBuilder->MapType(intPtrType));
|
|
auto intVal = mModule->mBfIRBuilder->CreateLoad(intPtrVal);
|
|
|
|
auto oobBlock = mModule->mBfIRBuilder->CreateBlock("oob", true);
|
|
auto contBlock = mModule->mBfIRBuilder->CreateBlock("cont", true);
|
|
|
|
auto cmpRes = mModule->mBfIRBuilder->CreateCmpEQ(intVal, mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, 0));
|
|
mModule->mBfIRBuilder->CreateCondBr(cmpRes, oobBlock, contBlock);
|
|
|
|
mModule->mBfIRBuilder->SetInsertPoint(oobBlock);
|
|
auto internalType = mModule->ResolveTypeDef(mModule->mCompiler->mInternalTypeDef);
|
|
auto oobFunc = mModule->GetMethodByName(internalType->ToTypeInstance(), "ThrowObjectNotInitialized");
|
|
if (oobFunc.mFunc)
|
|
{
|
|
if (mModule->mIsComptimeModule)
|
|
mModule->mCompiler->mCeMachine->QueueMethod(oobFunc.mMethodInstance, oobFunc.mFunc);
|
|
|
|
SizedArray<BfIRValue, 1> args;
|
|
args.push_back(mModule->GetConstValue(0));
|
|
mModule->mBfIRBuilder->CreateCall(oobFunc.mFunc, args);
|
|
mModule->mBfIRBuilder->CreateUnreachable();
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail("System.Internal class must contain method 'ThrowObjectNotInitialized'", fieldDef->GetRefNode());
|
|
}
|
|
|
|
mModule->mBfIRBuilder->SetInsertPoint(contBlock);
|
|
}
|
|
|
|
if ((fieldDef->mIsReadOnly) && (!isStaticCtor))
|
|
{
|
|
if (retVal.IsAddr())
|
|
retVal.mKind = BfTypedValueKind_ReadOnlyAddr;
|
|
}
|
|
else
|
|
mIsHeapReference = true;
|
|
return retVal;
|
|
}
|
|
else if (!target)
|
|
{
|
|
if (((mBfEvalExprFlags & BfEvalExprFlags_NameOf) == 0) && (mModule->PreFail()))
|
|
{
|
|
if ((flags & BfLookupFieldFlag_CheckingOuter) != 0)
|
|
mModule->Fail(StrFormat("An instance reference is required to reference non-static outer field '%s.%s'", mModule->TypeToString(typeInstance).c_str(), fieldDef->mName.c_str()),
|
|
targetSrc);
|
|
else if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mMethodDef->mMethodType == BfMethodType_CtorCalcAppend))
|
|
{
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_DeclType) == 0)
|
|
mModule->Fail(StrFormat("Cannot reference field '%s' before append allocations", fieldDef->mName.c_str()), targetSrc);
|
|
}
|
|
else
|
|
mModule->Fail(StrFormat("Cannot reference non-static field '%s' from a static method", fieldDef->mName.c_str()), targetSrc);
|
|
}
|
|
return mModule->GetDefaultTypedValue(resolvedFieldType, false, BfDefaultValueKind_Addr);
|
|
}
|
|
|
|
if (resolvedFieldType->IsValuelessType())
|
|
{
|
|
return BfTypedValue(BfIRValue::sValueless, resolvedFieldType, true);
|
|
}
|
|
|
|
if ((mResultLocalVar != NULL) && (fieldInstance->mMergedDataIdx != -1))
|
|
{
|
|
if (mResultLocalVarFieldCount != 1)
|
|
{
|
|
fieldInstance->GetDataRange(mResultLocalVarField, mResultLocalVarFieldCount);
|
|
mResultLocalVarRefNode = targetSrc;
|
|
}
|
|
}
|
|
|
|
if ((typeInstance->IsIncomplete()) && (!typeInstance->mNeedsMethodProcessing))
|
|
{
|
|
BF_ASSERT(typeInstance->mTypeFailed || (mModule->mCurMethodState == NULL) || (mModule->mCurMethodState->mTempKind != BfMethodState::TempKind_None) || (mModule->mCompiler->IsAutocomplete()));
|
|
return mModule->GetDefaultTypedValue(resolvedFieldType);
|
|
}
|
|
|
|
bool isTemporary = target.IsTempAddr();
|
|
bool wantsLoadValue = false;
|
|
bool wantsReadOnly = false;
|
|
if ((fieldDef->mIsReadOnly) && (mModule->mCurMethodInstance != NULL) && ((!mModule->mCurMethodInstance->mMethodDef->IsCtorOrInit()) || (!target.IsThis())))
|
|
wantsReadOnly = true;
|
|
|
|
bool isComposite = target.mType->IsComposite();
|
|
if ((isComposite) && (!target.mType->IsTypedPrimitive()) && (!target.IsAddr()))
|
|
isTemporary = true;
|
|
if ((isComposite) && (!target.IsAddr()))
|
|
wantsLoadValue = true;
|
|
|
|
if ((target.mType->IsWrappableType()) && (!target.mType->IsPointer()))
|
|
{
|
|
BfTypeInstance* primStructType = mModule->GetWrappedStructType(target.mType);
|
|
BfIRValue allocaInst = mModule->CreateAlloca(primStructType, true, "tmpStruct");
|
|
BfIRValue elementAddr = mModule->mBfIRBuilder->CreateInBoundsGEP(allocaInst, 0, 1);
|
|
mModule->mBfIRBuilder->CreateStore(target.mValue, elementAddr);
|
|
target = BfTypedValue(allocaInst, primStructType, true);
|
|
}
|
|
|
|
BfTypedValue targetValue;
|
|
if ((target.mType != typeInstance) && (!target.IsSplat()))
|
|
{
|
|
if ((!isComposite) || (target.IsAddr()))
|
|
targetValue = BfTypedValue(mModule->mBfIRBuilder->CreateBitCast(target.mValue, mModule->mBfIRBuilder->MapTypeInstPtr(typeInstance)), typeInstance);
|
|
else
|
|
{
|
|
BfIRValue curVal = target.mValue;
|
|
auto baseCheckType = target.mType->ToTypeInstance();
|
|
while (baseCheckType != typeInstance)
|
|
{
|
|
curVal = mModule->mBfIRBuilder->CreateExtractValue(curVal, 0);
|
|
baseCheckType = baseCheckType->mBaseType;
|
|
}
|
|
targetValue = BfTypedValue(curVal, typeInstance);
|
|
}
|
|
}
|
|
else
|
|
targetValue = target;
|
|
|
|
bool doAccessCheck = true;
|
|
|
|
if ((flags & BfLookupFieldFlag_BindOnly) != 0)
|
|
doAccessCheck = false;
|
|
if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL) && (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mDisableObjectAccessChecksAttributeTypeDef)))
|
|
doAccessCheck = false;
|
|
|
|
if (target.IsThis())
|
|
{
|
|
if (!mModule->mCurMethodState->mMayNeedThisAccessCheck)
|
|
doAccessCheck = false;
|
|
}
|
|
if (doAccessCheck)
|
|
mModule->EmitObjectAccessCheck(target);
|
|
|
|
if (fieldInstance->mDataIdx < 0)
|
|
{
|
|
mModule->InternalError("LoadField field DataIdx<0 where InstSize>0");
|
|
return mModule->GetDefaultTypedValue(resolvedFieldType);
|
|
}
|
|
|
|
BfTypedValue retVal;
|
|
if (targetValue.IsSplat())
|
|
{
|
|
retVal = mModule->ExtractValue(targetValue, fieldInstance, fieldInstance->mDataIdx);
|
|
}
|
|
else if ((target.mType->IsStruct()) && (!target.IsAddr()))
|
|
{
|
|
mModule->mBfIRBuilder->PopulateType(targetValue.mType);
|
|
retVal = BfTypedValue(mModule->mBfIRBuilder->CreateExtractValue(targetValue.mValue, fieldInstance->mDataIdx/*, fieldDef->mName*/),
|
|
resolvedFieldType);
|
|
}
|
|
else
|
|
{
|
|
mModule->mBfIRBuilder->PopulateType(typeInstance);
|
|
|
|
if ((targetValue.IsAddr()) && (!typeInstance->IsValueType()))
|
|
targetValue = mModule->LoadValue(targetValue);
|
|
|
|
if (fieldInstance->IsAppendedObject())
|
|
{
|
|
auto elemPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(targetValue.mValue, 0, fieldInstance->mDataIdx);
|
|
retVal = BfTypedValue(mModule->mBfIRBuilder->CreateBitCast(elemPtr, mModule->mBfIRBuilder->MapType(resolvedFieldType)), resolvedFieldType);
|
|
}
|
|
else
|
|
{
|
|
retVal = BfTypedValue(mModule->mBfIRBuilder->CreateInBoundsGEP(targetValue.mValue, 0, fieldInstance->mDataIdx/*, fieldDef->mName*/),
|
|
resolvedFieldType, target.IsReadOnly() ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr);
|
|
}
|
|
}
|
|
|
|
if (typeInstance->mIsUnion)
|
|
{
|
|
auto unionInnerType = typeInstance->GetUnionInnerType();
|
|
if (unionInnerType != resolvedFieldType)
|
|
{
|
|
BfTypedValue unionTypedValue = retVal;
|
|
unionTypedValue.mType = unionInnerType;
|
|
if (!unionTypedValue.IsAddr())
|
|
unionTypedValue = mModule->MakeAddressable(unionTypedValue);
|
|
BfIRType llvmPtrType = mModule->mBfIRBuilder->GetPointerTo(mModule->mBfIRBuilder->MapType(resolvedFieldType));
|
|
retVal.mValue = mModule->mBfIRBuilder->CreateBitCast(unionTypedValue.mValue, llvmPtrType);
|
|
retVal.mKind = unionTypedValue.mKind;
|
|
}
|
|
}
|
|
|
|
if ((fieldDef->mIsVolatile) && (retVal.IsAddr()))
|
|
retVal.mKind = BfTypedValueKind_VolatileAddr;
|
|
|
|
if (wantsLoadValue)
|
|
retVal = mModule->LoadValue(retVal, NULL, mIsVolatileReference);
|
|
else
|
|
{
|
|
if ((wantsReadOnly) && (retVal.IsAddr()) && (!retVal.IsReadOnly()))
|
|
retVal.mKind = BfTypedValueKind_ReadOnlyAddr;
|
|
else if ((target.IsCopyOnMutate()) && (retVal.IsAddr()))
|
|
retVal.mKind = BfTypedValueKind_CopyOnMutateAddr_Derived;
|
|
|
|
mIsHeapReference = true;
|
|
}
|
|
|
|
if (isTemporary)
|
|
{
|
|
if (retVal.IsAddr())
|
|
retVal.mKind = BfTypedValueKind_TempAddr;
|
|
}
|
|
|
|
return retVal;
|
|
}
|
|
|
|
BfTypedValue BfExprEvaluator::LookupField(BfAstNode* targetSrc, BfTypedValue target, const StringImpl& fieldName, BfLookupFieldFlags flags)
|
|
{
|
|
if (target)
|
|
flags = (BfLookupFieldFlags)(flags | BfLookupFieldFlag_HasInstance);
|
|
|
|
if ((target.mType != NULL && (target.mType->IsGenericParam())))
|
|
{
|
|
auto genericParamType = (BfGenericParamType*)target.mType;
|
|
auto genericParamInst = mModule->GetGenericParamInstance(genericParamType);
|
|
|
|
if (target.mValue)
|
|
{
|
|
for (auto iface : genericParamInst->mInterfaceConstraints)
|
|
{
|
|
auto result = LookupField(targetSrc, BfTypedValue(target.mValue, iface), fieldName, flags);
|
|
if ((result) || (mPropDef != NULL))
|
|
{
|
|
return result;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool isUnspecializedSection = false;
|
|
if (genericParamType->mGenericParamKind == BfGenericParamKind_Method)
|
|
isUnspecializedSection = (mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsUnspecialized);
|
|
else
|
|
isUnspecializedSection = (mModule->mCurTypeInstance != NULL) && (mModule->mCurTypeInstance->IsUnspecializedType());
|
|
|
|
if (isUnspecializedSection)
|
|
{
|
|
auto origTarget = target;
|
|
|
|
if (genericParamInst->mTypeConstraint != NULL)
|
|
{
|
|
target.mType = genericParamInst->mTypeConstraint;
|
|
}
|
|
else
|
|
target.mType = mModule->mContext->mBfObjectType;
|
|
|
|
if ((genericParamInst->mGenericParamFlags & BfGenericParamFlag_Var) != 0)
|
|
{
|
|
target.mType = mModule->GetPrimitiveType(BfTypeCode_Var);
|
|
}
|
|
|
|
if (origTarget.mType->IsTypeGenericParam())
|
|
{
|
|
// Check for extern constraint in method generic params
|
|
if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mMethodInfoEx != NULL))
|
|
{
|
|
for (auto genericParam : mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams)
|
|
{
|
|
if (genericParam->mExternType == origTarget.mType)
|
|
{
|
|
if (genericParam->mTypeConstraint != NULL)
|
|
{
|
|
target.mType = genericParam->mTypeConstraint;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (target.mType->IsWrappableType())
|
|
target.mType = mModule->GetWrappedStructType(target.mType);
|
|
}
|
|
else
|
|
{
|
|
if ((genericParamInst->mGenericParamFlags & BfGenericParamFlag_Var) != 0)
|
|
{
|
|
//target.mType = mModule->ResolveGenericType(mResult.mType);
|
|
}
|
|
else if (genericParamInst->mTypeConstraint != NULL)
|
|
{
|
|
target = mModule->Cast(targetSrc, target, genericParamInst->mTypeConstraint);
|
|
BF_ASSERT(target);
|
|
}
|
|
else
|
|
{
|
|
// This shouldn't occur - this would infer that we are accessing a member of Object or something...
|
|
//target.mType = mModule->ResolveGenericType(mResult.mType);
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((target.mType != NULL) && (IsVar(target.mType, (flags & BfLookupFieldFlag_BindOnly) != 0)))
|
|
return BfTypedValue(mModule->GetDefaultValue(target.mType), target.mType, true);
|
|
|
|
BfTypeInstance* startCheckType = mModule->mCurTypeInstance;
|
|
mPropDef = NULL;
|
|
mPropDefBypassVirtual = false;
|
|
|
|
if (target)
|
|
{
|
|
if ((!target.mType->IsValueType()) && (target.IsAddr()))
|
|
target = mModule->LoadValue(target);
|
|
|
|
if (target.mType->IsPrimitiveType())
|
|
{
|
|
auto primType = (BfPrimitiveType*)target.mType;
|
|
startCheckType = mModule->GetPrimitiveStructType(primType->mTypeDef->mTypeCode);
|
|
}
|
|
else
|
|
{
|
|
startCheckType = target.mType->ToTypeInstance();
|
|
if ((startCheckType == NULL) && (target.mType->IsPointer()))
|
|
{
|
|
startCheckType = ((BfPointerType*)target.mType)->mElementType->ToTypeInstance();
|
|
if ((startCheckType != NULL) && (!startCheckType->IsValueType()))
|
|
return BfTypedValue();
|
|
}
|
|
}
|
|
//BF_ASSERT(startCheckType != NULL);
|
|
}
|
|
else if (target.mType != NULL)
|
|
{
|
|
startCheckType = target.mType->ToTypeInstance();
|
|
}
|
|
|
|
if ((startCheckType != NULL) && (startCheckType->mBaseType == NULL))
|
|
{
|
|
if (startCheckType->mDefineState == BfTypeDefineState_ResolvingBaseType)
|
|
{
|
|
// Fixes cases where we have something like 'Base[Value]' as a base typeref
|
|
return BfTypedValue();
|
|
}
|
|
mModule->PopulateType(startCheckType, BfPopulateType_BaseType);
|
|
}
|
|
|
|
String findName;
|
|
int varSkipCount = 0;
|
|
if (fieldName.StartsWith('@'))
|
|
{
|
|
findName = fieldName;
|
|
while (findName.StartsWith('@'))
|
|
{
|
|
findName.Remove(0);
|
|
varSkipCount++;
|
|
}
|
|
}
|
|
else
|
|
findName.Reference(fieldName);
|
|
|
|
auto activeTypeDef = mModule->GetActiveTypeDef();
|
|
for (int pass = 0; pass < 2; pass++)
|
|
{
|
|
auto curCheckType = startCheckType;
|
|
bool isFailurePass = pass == 1;
|
|
|
|
if (isFailurePass)
|
|
flags = (BfLookupFieldFlags)(flags | BfLookupFieldFlag_IsFailurePass);
|
|
|
|
bool isBaseLookup = false;
|
|
while (curCheckType != NULL)
|
|
{
|
|
if (((flags & BfLookupFieldFlag_CheckingOuter) != 0) && ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0))
|
|
{
|
|
// Don't fully populateType for CheckingOuter - it carries a risk of an inadvertent data cycle
|
|
// Avoiding this could cause issues finding emitted statics/constants
|
|
}
|
|
else
|
|
{
|
|
bool isPopulatingType = false;
|
|
|
|
auto checkTypeState = mModule->mContext->mCurTypeState;
|
|
while (checkTypeState != NULL)
|
|
{
|
|
if (curCheckType == checkTypeState->mType)
|
|
{
|
|
isPopulatingType = true;
|
|
if (checkTypeState->mResolveKind == BfTypeState::ResolveKind_Attributes)
|
|
{
|
|
// Don't allow lookups yet
|
|
return BfTypedValue();
|
|
}
|
|
}
|
|
checkTypeState = checkTypeState->mPrevState;
|
|
}
|
|
if ((!isPopulatingType) && (curCheckType->mDefineState < Beefy::BfTypeDefineState_Defined))
|
|
{
|
|
// We MAY have emitted fields so we need to do this
|
|
mModule->mContext->mUnreifiedModule->PopulateType(curCheckType, Beefy::BfPopulateType_Interfaces_All);
|
|
}
|
|
}
|
|
|
|
curCheckType->mTypeDef->PopulateMemberSets();
|
|
BfFieldDef* nextField = NULL;
|
|
BfMemberSetEntry* entry;
|
|
if (curCheckType->mTypeDef->mFieldSet.TryGetWith(findName, &entry))
|
|
nextField = (BfFieldDef*)entry->mMemberDef;
|
|
|
|
if (nextField != NULL)
|
|
varSkipCount -= nextField->mNamePrefixCount;
|
|
|
|
while ((varSkipCount > 0) && (nextField != NULL))
|
|
{
|
|
nextField = nextField->mNextWithSameName;
|
|
varSkipCount--;
|
|
}
|
|
|
|
BfProtectionCheckFlags protectionCheckFlags = BfProtectionCheckFlag_None;
|
|
if (target)
|
|
{
|
|
if ((flags & (BfLookupFieldFlag_IsImplicitThis | BfLookupFieldFlag_BaseLookup)) != 0)
|
|
{
|
|
// Not an "instance lookup"
|
|
}
|
|
else
|
|
{
|
|
protectionCheckFlags = (BfProtectionCheckFlags)(protectionCheckFlags | BfProtectionCheckFlag_InstanceLookup);
|
|
}
|
|
}
|
|
|
|
BfFieldDef* matchedField = NULL;
|
|
while (nextField != NULL)
|
|
{
|
|
if ((flags & BfLookupFieldFlag_BindOnly) != 0)
|
|
break;
|
|
|
|
auto field = nextField;
|
|
nextField = nextField->mNextWithSameName;
|
|
auto checkProtection = field->mProtection;
|
|
if (checkProtection == BfProtection_Hidden)
|
|
{
|
|
// Allow accessing hidden fields
|
|
checkProtection = BfProtection_Private;
|
|
}
|
|
|
|
if (((flags & BfLookupFieldFlag_IgnoreProtection) == 0) && (!isFailurePass) &&
|
|
(!mModule->CheckProtection(protectionCheckFlags, curCheckType, field->mDeclaringType->mProject, checkProtection, startCheckType)))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
bool isResolvingFields = curCheckType->mResolvingConstField || curCheckType->mResolvingVarField;
|
|
|
|
if (curCheckType->mFieldInstances.IsEmpty())
|
|
{
|
|
mModule->PopulateType(curCheckType, BfPopulateType_Data);
|
|
}
|
|
|
|
if (field->mIdx >= (int)curCheckType->mFieldInstances.size())
|
|
{
|
|
if (mModule->mCompiler->EnsureCeUnpaused(curCheckType))
|
|
{
|
|
BF_DBG_FATAL("OOB in DoLookupField");
|
|
}
|
|
return mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
|
|
}
|
|
|
|
BF_ASSERT(field->mIdx < (int)curCheckType->mFieldInstances.size());
|
|
auto fieldInstance = &curCheckType->mFieldInstances[field->mIdx];
|
|
if (!fieldInstance->mFieldIncluded)
|
|
continue;
|
|
|
|
if (curCheckType->IsUnspecializedType())
|
|
{
|
|
// The check for non-unspecialized types is already handled in mFieldIncluded
|
|
if (!curCheckType->IsTypeMemberIncluded(field->mDeclaringType, activeTypeDef, mModule))
|
|
continue;
|
|
}
|
|
|
|
if (!mModule->IsInSpecializedSection())
|
|
{
|
|
if (!curCheckType->IsTypeMemberAccessible(field->mDeclaringType, activeTypeDef))
|
|
continue;
|
|
}
|
|
|
|
if (matchedField != NULL)
|
|
{
|
|
auto error = mModule->Fail(StrFormat("Ambiguous reference to field '%s.%s'", mModule->TypeToString(curCheckType).c_str(), fieldName.c_str()), targetSrc);
|
|
if (error != NULL)
|
|
{
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See field declaration in project '%s'", matchedField->mDeclaringType->mProject->mName.c_str()), matchedField->mFieldDeclaration);
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See field declaration in project '%s'", field->mDeclaringType->mProject->mName.c_str()), field->mFieldDeclaration);
|
|
break;
|
|
}
|
|
}
|
|
|
|
matchedField = field;
|
|
}
|
|
|
|
if (matchedField != NULL)
|
|
return LoadField(targetSrc, target, curCheckType, matchedField, flags);
|
|
|
|
BfPropertyDef* nextProp = NULL;
|
|
if (curCheckType->mTypeDef->mPropertySet.TryGetWith(fieldName, &entry))
|
|
nextProp = (BfPropertyDef*)entry->mMemberDef;
|
|
|
|
if (nextProp != NULL)
|
|
{
|
|
BfCheckedKind checkedKind = BfCheckedKind_NotSet;
|
|
|
|
bool isInlined = false;
|
|
if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL))
|
|
{
|
|
if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mInlineAttributeTypeDef))
|
|
{
|
|
isInlined = true;
|
|
mModule->mAttributeState->mUsed = true;
|
|
}
|
|
if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mCheckedAttributeTypeDef))
|
|
{
|
|
checkedKind = BfCheckedKind_Checked;
|
|
mModule->mAttributeState->mUsed = true;
|
|
}
|
|
if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mUncheckedAttributeTypeDef))
|
|
{
|
|
checkedKind = BfCheckedKind_Unchecked;
|
|
mModule->mAttributeState->mUsed = true;
|
|
}
|
|
}
|
|
|
|
BfPropertyDef* matchedProp = NULL;
|
|
while (nextProp != NULL)
|
|
{
|
|
auto prop = nextProp;
|
|
nextProp = nextProp->mNextWithSameName;
|
|
|
|
if ((!isFailurePass) && ((mBfEvalExprFlags & BfEvalExprFlags_NameOf) == 0) && (!mModule->CheckProtection(protectionCheckFlags, curCheckType, prop->mDeclaringType->mProject, prop->mProtection, startCheckType)))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (!prop->mMethods.IsEmpty())
|
|
{
|
|
BfMethodDef* checkMethod = prop->mMethods[0];
|
|
// Properties with explicit interfaces or marked as overrides can only be called indirectly
|
|
if ((checkMethod->mExplicitInterface != NULL) || (checkMethod->mIsOverride))
|
|
continue;
|
|
}
|
|
|
|
if ((!target.IsStatic()) || (prop->mIsStatic) || ((mBfEvalExprFlags & BfEvalExprFlags_NameOf) != 0))
|
|
{
|
|
if (!curCheckType->IsTypeMemberIncluded(prop->mDeclaringType, activeTypeDef, mModule))
|
|
continue;
|
|
|
|
if (!mModule->IsInSpecializedSection())
|
|
{
|
|
if (!curCheckType->IsTypeMemberAccessible(prop->mDeclaringType, mModule->GetVisibleProjectSet()))
|
|
continue;
|
|
}
|
|
|
|
if (matchedProp != NULL)
|
|
{
|
|
if ((matchedProp->mDeclaringType->IsExtension()) && (!prop->mDeclaringType->IsExtension()))
|
|
{
|
|
// Prefer non-extension
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
if (mModule->PreFail())
|
|
{
|
|
auto error = mModule->Fail(StrFormat("Ambiguous reference to property '%s.%s'", mModule->TypeToString(curCheckType).c_str(), fieldName.c_str()), targetSrc);
|
|
if (error != NULL)
|
|
{
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See property declaration in project '%s'", matchedProp->mDeclaringType->mProject->mName.c_str()), matchedProp->mFieldDeclaration);
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See property declaration in project '%s'", prop->mDeclaringType->mProject->mName.c_str()), prop->mFieldDeclaration);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
matchedProp = prop;
|
|
}
|
|
}
|
|
|
|
if (matchedProp != NULL)
|
|
return LoadProperty(targetSrc, target, curCheckType, matchedProp, flags, checkedKind, isInlined);
|
|
}
|
|
|
|
if (curCheckType->mTypeDef->mHasUsingFields)
|
|
mModule->PopulateUsingFieldData(curCheckType);
|
|
|
|
///
|
|
{
|
|
Array<SizedArray<BfUsingFieldData::MemberRef, 1>*> foundLists;
|
|
|
|
auto _CheckUsingData = [&](BfUsingFieldData* usingData)
|
|
{
|
|
BfUsingFieldData::Entry* entry = NULL;
|
|
if (!usingData->mEntries.TryGetValue(findName, &entry))
|
|
return;
|
|
|
|
for (int listIdx = 0; listIdx < entry->mLookups.mSize; listIdx++)
|
|
{
|
|
bool passesProtection = true;
|
|
auto& entryList = entry->mLookups[listIdx];
|
|
for (int entryIdx = 0; entryIdx < entryList.mSize; entryIdx++)
|
|
{
|
|
auto& entry = entryList[entryIdx];
|
|
BfProtectionCheckFlags protectionCheckFlags = BfProtectionCheckFlag_None;
|
|
if (!mModule->CheckProtection(protectionCheckFlags, entry.mTypeInstance, entry.GetDeclaringType(mModule)->mProject,
|
|
(entryIdx < entryList.mSize - 1) ? entry.GetUsingProtection() : entry.GetProtection(), curCheckType))
|
|
{
|
|
passesProtection = false;
|
|
break;
|
|
}
|
|
}
|
|
if (!passesProtection)
|
|
continue;
|
|
|
|
if (foundLists.mSize == 0)
|
|
{
|
|
foundLists.Add(&entryList);
|
|
}
|
|
else
|
|
{
|
|
if (entryList.mSize < foundLists[0]->mSize)
|
|
{
|
|
// New is shorter
|
|
foundLists.Clear();
|
|
foundLists.Add(&entryList);
|
|
}
|
|
else if (entryList.mSize > foundLists[0]->mSize)
|
|
{
|
|
// Ignore longer
|
|
}
|
|
else
|
|
{
|
|
foundLists.Add(&entryList);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
if ((curCheckType->mTypeInfoEx != NULL) && (curCheckType->mTypeInfoEx->mUsingFieldData != NULL))
|
|
_CheckUsingData(curCheckType->mTypeInfoEx->mUsingFieldData);
|
|
|
|
if (!foundLists.IsEmpty())
|
|
{
|
|
auto foundList = foundLists[0];
|
|
|
|
if (foundLists.mSize > 1)
|
|
{
|
|
BfError* error = mModule->Fail("Ambiguous 'using' field reference", targetSrc);
|
|
if (error != NULL)
|
|
{
|
|
for (auto checkList : foundLists)
|
|
{
|
|
String errorStr = "'";
|
|
for (int entryIdx = 0; entryIdx < checkList->mSize; entryIdx++)
|
|
{
|
|
if (entryIdx == 0)
|
|
errorStr += (*checkList)[entryIdx].GetFullName(mModule);
|
|
else
|
|
{
|
|
errorStr += ".";
|
|
errorStr += (*checkList)[entryIdx].GetName(mModule);
|
|
}
|
|
}
|
|
errorStr += "' is a candidate";
|
|
mModule->mCompiler->mPassInstance->MoreInfo(errorStr, (*checkList)[0].GetRefNode(mModule));
|
|
}
|
|
}
|
|
}
|
|
|
|
BfTypedValue curResult = target;
|
|
for (int entryIdx = 0; entryIdx < foundList->mSize; entryIdx++)
|
|
{
|
|
if ((entryIdx == 0) && (foundList->back().IsStatic()))
|
|
entryIdx = (int)foundList->mSize - 1;
|
|
|
|
auto& entry = (*foundList)[entryIdx];
|
|
if (mPropDef != NULL)
|
|
{
|
|
SetAndRestoreValue<BfTypedValue> prevResult(mResult, BfTypedValue());
|
|
mPropGetMethodFlags = (BfGetMethodInstanceFlags)(mPropGetMethodFlags | BfGetMethodInstanceFlag_Friend);
|
|
curResult = GetResult();
|
|
if (!curResult)
|
|
return curResult;
|
|
}
|
|
|
|
auto useFlags = flags;
|
|
if (entryIdx < foundList->mSize - 1)
|
|
useFlags = (BfLookupFieldFlags)(flags | BfLookupFieldFlag_IsAnonymous);
|
|
|
|
if (entry.mKind == BfUsingFieldData::MemberRef::Kind_Field)
|
|
{
|
|
curResult = LoadField(targetSrc, curResult, entry.mTypeInstance, entry.mTypeInstance->mTypeDef->mFields[entry.mIdx], useFlags);
|
|
}
|
|
else if (entry.mKind == BfUsingFieldData::MemberRef::Kind_Property)
|
|
{
|
|
curResult = LoadProperty(targetSrc, curResult, entry.mTypeInstance, entry.mTypeInstance->mTypeDef->mProperties[entry.mIdx], useFlags, BfCheckedKind_NotSet, false);
|
|
}
|
|
else if (entry.mKind == BfUsingFieldData::MemberRef::Kind_Local)
|
|
{
|
|
auto localDef = mModule->mCurMethodState->mLocals[entry.mIdx];
|
|
curResult = LoadLocal(localDef);
|
|
}
|
|
if ((!curResult) && (mPropDef == NULL))
|
|
return curResult;
|
|
|
|
if (entryIdx == foundList->mSize - 1)
|
|
{
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(targetSrc)))
|
|
autoComplete->SetDefinitionLocation(entry.GetRefNode(mModule));
|
|
|
|
if ((autoComplete != NULL) && (autoComplete->CheckFixit(targetSrc)))
|
|
autoComplete->FixitAddFullyQualify(targetSrc, findName, *foundList);
|
|
}
|
|
}
|
|
|
|
return curResult;
|
|
}
|
|
}
|
|
|
|
isBaseLookup = true;
|
|
curCheckType = curCheckType->mBaseType;
|
|
}
|
|
}
|
|
|
|
auto outerTypeDef = mModule->GetOuterType(startCheckType);
|
|
if (outerTypeDef != NULL)
|
|
{
|
|
BfLookupFieldFlags newFlags = BfLookupFieldFlag_CheckingOuter;
|
|
if (((flags & BfLookupFieldFlag_HasInstance) != 0) &&
|
|
((flags & BfLookupFieldFlag_IsImplicitThis) == 0))
|
|
newFlags = (BfLookupFieldFlags)(newFlags | BfLookupFieldFlag_HasInstance);
|
|
|
|
// Check statics in outer type
|
|
return LookupField(targetSrc, BfTypedValue(outerTypeDef), fieldName, newFlags);
|
|
}
|
|
|
|
return BfTypedValue();
|
|
}
|
|
|
|
void BfExprEvaluator::ResolveArgValues(BfResolvedArgs& resolvedArgs, BfResolveArgsFlags flags)
|
|
{
|
|
static int idx = 0;
|
|
idx++;
|
|
int curIdx = idx;
|
|
|
|
if (resolvedArgs.mArguments == NULL)
|
|
return;
|
|
|
|
int argCount = (int)resolvedArgs.mArguments->size();
|
|
if ((resolvedArgs.mCommas != NULL) && (resolvedArgs.mCommas->size() != 0) && (resolvedArgs.mCommas->size() >= resolvedArgs.mArguments->size()))
|
|
{
|
|
//mModule->FailAfter("Expression expected", resolvedArgs.mCommas->back());
|
|
argCount++;
|
|
}
|
|
|
|
BfAutoComplete* autoComplete = GetAutoComplete();
|
|
bool hadIgnoredFixits = false;
|
|
if (autoComplete != NULL)
|
|
{
|
|
hadIgnoredFixits = autoComplete->mIgnoreFixits;
|
|
if (flags & BfResolveArgsFlag_DeferFixits)
|
|
autoComplete->mIgnoreFixits = true;
|
|
}
|
|
|
|
int deferredArgIdx = 0;
|
|
SizedArray<BfExpression*, 8> deferredArgs;
|
|
|
|
int argIdx = 0;
|
|
|
|
while (true)
|
|
{
|
|
//printf("Args: %p %p %d\n", resolvedArgs.mArguments, resolvedArgs.mArguments->mVals, resolvedArgs.mArguments->mSize);
|
|
|
|
BfExpression* argExpr = NULL;
|
|
bool isDeferredArg = false;
|
|
|
|
int curArgIdx = -1;
|
|
|
|
if (deferredArgIdx < deferredArgs.size())
|
|
{
|
|
argExpr = deferredArgs[deferredArgIdx++];
|
|
isDeferredArg = true;
|
|
}
|
|
else if (argIdx >= argCount)
|
|
{
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
curArgIdx = argIdx++;
|
|
if (curArgIdx < resolvedArgs.mArguments->size())
|
|
argExpr = (*resolvedArgs.mArguments)[curArgIdx];
|
|
}
|
|
|
|
if (argExpr == NULL)
|
|
{
|
|
if (curArgIdx == 0)
|
|
{
|
|
if (resolvedArgs.mOpenToken != NULL)
|
|
mModule->FailAfter("Expression expected", resolvedArgs.mOpenToken);
|
|
}
|
|
else if (resolvedArgs.mCommas != NULL)
|
|
mModule->FailAfter("Expression expected", (*resolvedArgs.mCommas)[curArgIdx - 1]);
|
|
}
|
|
|
|
if (auto typedValueExpr = BfNodeDynCast<BfTypedValueExpression>(argExpr))
|
|
{
|
|
BfResolvedArg resolvedArg;
|
|
resolvedArg.mTypedValue = typedValueExpr->mTypedValue;
|
|
if (resolvedArg.mTypedValue.IsParams())
|
|
resolvedArg.mArgFlags = BfArgFlag_ParamsExpr;
|
|
resolvedArg.mExpression = typedValueExpr->mRefNode;
|
|
resolvedArgs.mResolvedArgs.push_back(resolvedArg);
|
|
continue;
|
|
}
|
|
|
|
BfResolvedArg resolvedArg;
|
|
if (isDeferredArg)
|
|
resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_StringInterpolateArg);
|
|
|
|
BfExprEvaluator exprEvaluator(mModule);
|
|
exprEvaluator.mResolveGenericParam = (flags & BfResolveArgsFlag_AllowUnresolvedTypes) == 0;
|
|
exprEvaluator.mBfEvalExprFlags = (BfEvalExprFlags)(exprEvaluator.mBfEvalExprFlags | BfEvalExprFlags_AllowRefExpr | BfEvalExprFlags_AllowOutExpr |
|
|
(mBfEvalExprFlags & (BfEvalExprFlags_Comptime)));
|
|
|
|
bool handled = false;
|
|
bool evaluated = false;
|
|
|
|
if (auto namedExpression = BfNodeDynCastExact<BfNamedExpression>(argExpr))
|
|
{
|
|
resolvedArg.mNameNode = namedExpression->mNameNode;
|
|
argExpr = namedExpression->mExpression;
|
|
}
|
|
|
|
if (auto interpolateExpr = BfNodeDynCastExact<BfStringInterpolationExpression>(argExpr))
|
|
{
|
|
if ((interpolateExpr->mAllocNode == NULL) || ((flags & BfResolveArgsFlag_InsideStringInterpolationAlloc) != 0))
|
|
{
|
|
resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_StringInterpolateFormat);
|
|
for (auto innerExpr : interpolateExpr->mExpressions)
|
|
deferredArgs.Add(innerExpr);
|
|
}
|
|
}
|
|
|
|
if (auto unaryOpExpr = BfNodeDynCastExact<BfUnaryOperatorExpression>(argExpr))
|
|
{
|
|
if ((unaryOpExpr->mOp == BfUnaryOp_Cascade) && ((flags & BfResolveArgsFlag_FromIndexer) == 0))
|
|
{
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_InCascade) != 0)
|
|
mModule->Fail("Cascade already specified on call target", unaryOpExpr->mOpToken);
|
|
|
|
resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_Cascade);
|
|
argExpr = unaryOpExpr->mExpression;
|
|
}
|
|
}
|
|
|
|
bool deferParamEval = false;
|
|
if ((flags & BfResolveArgsFlag_DeferParamEval) != 0)
|
|
{
|
|
if (argExpr != NULL)
|
|
{
|
|
BfDeferEvalChecker deferEvalChecker;
|
|
if ((flags & BfResolveArgsFlag_DeferStrings) != 0)
|
|
deferEvalChecker.mDeferStrings = true;
|
|
deferEvalChecker.mDeferDelegateBind = false;
|
|
deferEvalChecker.Check(argExpr);
|
|
deferParamEval = deferEvalChecker.mNeedsDeferEval;
|
|
}
|
|
}
|
|
|
|
if (deferParamEval)
|
|
{
|
|
resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_DeferredEval);
|
|
handled = true;
|
|
}
|
|
else if (auto delegateBindExpression = BfNodeDynCast<BfDelegateBindExpression>(argExpr))
|
|
{
|
|
resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_DelegateBindAttempt);
|
|
handled = true;
|
|
}
|
|
else if (auto lambdaBindExpression = BfNodeDynCast<BfLambdaBindExpression>(argExpr))
|
|
{
|
|
resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_LambdaBindAttempt);
|
|
handled = true;
|
|
}
|
|
else if (auto defaultExpr = BfNodeDynCast<BfDefaultExpression>(argExpr))
|
|
{
|
|
if (defaultExpr->mTypeRef == NULL)
|
|
{
|
|
resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_UntypedDefault);
|
|
handled = true;
|
|
}
|
|
}
|
|
else if (auto varDeclExpr = BfNodeDynCast<BfVariableDeclaration>(argExpr))
|
|
{
|
|
resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_VariableDeclaration);
|
|
handled = true;
|
|
}
|
|
else if (auto unaryExpr = BfNodeDynCast<BfUnaryOperatorExpression>(argExpr))
|
|
{
|
|
if (unaryExpr->mOp == BfUnaryOp_Params)
|
|
{
|
|
resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_ParamsExpr);
|
|
}
|
|
}
|
|
else if (auto uninitExpr = BfNodeDynCast<BfUninitializedExpression>(argExpr))
|
|
{
|
|
resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_UninitializedExpr);
|
|
handled = true;
|
|
}
|
|
|
|
if (!handled)
|
|
{
|
|
BfAstNode* checkArgExpr = argExpr;
|
|
while (checkArgExpr != NULL)
|
|
{
|
|
if (auto memberRef = BfNodeDynCast<BfMemberReferenceExpression>(checkArgExpr))
|
|
{
|
|
if (memberRef->mTarget == NULL)
|
|
{
|
|
resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_UnqualifiedDotAttempt);
|
|
handled = true;
|
|
break;
|
|
}
|
|
else
|
|
checkArgExpr = memberRef->mTarget;
|
|
}
|
|
else if (auto invokeExpr = BfNodeDynCast<BfInvocationExpression>(checkArgExpr))
|
|
{
|
|
checkArgExpr = invokeExpr->mTarget;
|
|
}
|
|
else if (auto parenExpr = BfNodeDynCast<BfParenthesizedExpression>(checkArgExpr))
|
|
{
|
|
checkArgExpr = parenExpr->mExpression;
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ((argExpr != NULL) && (!handled))
|
|
{
|
|
bool deferParamValues = (flags & BfResolveArgsFlag_DeferParamValues) != 0;
|
|
SetAndRestoreValue<bool> ignoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, mModule->mBfIRBuilder->mIgnoreWrites || deferParamValues);
|
|
auto prevInsertBlock = mModule->mBfIRBuilder->GetInsertBlock();
|
|
if (deferParamValues)
|
|
resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_DeferredValue);
|
|
|
|
if (!evaluated)
|
|
{
|
|
exprEvaluator.mBfEvalExprFlags = (BfEvalExprFlags)(exprEvaluator.mBfEvalExprFlags | BfEvalExprFlags_AllowParamsExpr);
|
|
|
|
if ((resolvedArg.mArgFlags & BfArgFlag_StringInterpolateFormat) != 0)
|
|
exprEvaluator.mBfEvalExprFlags = (BfEvalExprFlags)(exprEvaluator.mBfEvalExprFlags | BfEvalExprFlags_StringInterpolateFormat);
|
|
|
|
int lastLocalVarIdx = (mModule->mCurMethodState != NULL) ? mModule->mCurMethodState->mLocals.mSize : 0;
|
|
exprEvaluator.Evaluate(argExpr, false, false, true);
|
|
if ((deferParamValues) && (mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mLocals.mSize > lastLocalVarIdx))
|
|
{
|
|
// Remove any ignored locals
|
|
mModule->RestoreScoreState_LocalVariables(lastLocalVarIdx);
|
|
}
|
|
}
|
|
|
|
if ((mModule->mCurMethodState != NULL) && (exprEvaluator.mResultLocalVar != NULL) && (exprEvaluator.mResultLocalVarRefNode != NULL))
|
|
{
|
|
auto localVar = exprEvaluator.mResultLocalVar;
|
|
int fieldIdx = mResultLocalVarField - 1;
|
|
|
|
auto methodState = mModule->mCurMethodState->GetMethodStateForLocal(localVar);
|
|
if (localVar->mCompositeCount >= 0)
|
|
{
|
|
if ((resolvedArg.mArgFlags & BfArgFlag_ParamsExpr) == 0)
|
|
mModule->Warn(0, "'params' token expected", argExpr);
|
|
|
|
for (int compositeIdx = 0; compositeIdx < localVar->mCompositeCount; compositeIdx++)
|
|
{
|
|
BfResolvedArg compositeResolvedArg;
|
|
auto compositeLocalVar = methodState->mLocals[localVar->mLocalVarIdx + compositeIdx + 1];
|
|
auto argValue = exprEvaluator.LoadLocal(compositeLocalVar, true);
|
|
if (argValue)
|
|
{
|
|
if (!argValue.mType->IsStruct())
|
|
argValue = mModule->LoadValue(argValue, NULL, exprEvaluator.mIsVolatileReference);
|
|
}
|
|
resolvedArg.mTypedValue = argValue;
|
|
resolvedArg.mExpression = argExpr;
|
|
resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_FromParamComposite);
|
|
resolvedArgs.mResolvedArgs.push_back(resolvedArg);
|
|
}
|
|
|
|
continue;
|
|
}
|
|
}
|
|
|
|
exprEvaluator.CheckResultForReading(exprEvaluator.mResult);
|
|
auto argValue = exprEvaluator.mResult;
|
|
if (argValue)
|
|
{
|
|
mModule->mBfIRBuilder->PopulateType(argValue.mType);
|
|
resolvedArg.mResolvedType = argValue.mType;
|
|
if (resolvedArg.mResolvedType->IsRef())
|
|
argValue.mKind = BfTypedValueKind_Value;
|
|
if (exprEvaluator.mIsVolatileReference)
|
|
resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_Volatile);
|
|
}
|
|
resolvedArg.mUncastedTypedValue = argValue;
|
|
resolvedArg.mTypedValue = argValue;
|
|
|
|
if (deferParamValues)
|
|
mModule->mBfIRBuilder->SetInsertPoint(prevInsertBlock);
|
|
}
|
|
resolvedArg.mExpression = argExpr;
|
|
resolvedArgs.mResolvedArgs.push_back(resolvedArg);
|
|
}
|
|
|
|
if (autoComplete != NULL)
|
|
autoComplete->mIgnoreFixits = hadIgnoredFixits;
|
|
}
|
|
|
|
void BfExprEvaluator::PerformCallChecks(BfMethodInstance* methodInstance, BfAstNode* targetSrc)
|
|
{
|
|
BfCustomAttributes* customAttributes = methodInstance->GetCustomAttributes();
|
|
if (customAttributes != NULL)
|
|
mModule->CheckErrorAttributes(methodInstance->GetOwner(), methodInstance, NULL, customAttributes, targetSrc);
|
|
}
|
|
|
|
void BfExprEvaluator::CheckSkipCall(BfAstNode* targetSrc, SizedArrayImpl<BfResolvedArg>& argValues)
|
|
{
|
|
for (auto& argValue : argValues)
|
|
{
|
|
if ((!argValue.IsDeferredValue()) && (argValue.mExpression != NULL))
|
|
{
|
|
mModule->Fail("Illegal SkipCall invocation", targetSrc);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
BfTypedValue BfExprEvaluator::CreateCall(BfAstNode* targetSrc, BfMethodInstance* methodInstance, BfIRValue func, bool bypassVirtual, SizedArrayImpl<BfIRValue>& irArgs, BfTypedValue* sret, BfCreateCallFlags callFlags, BfType* origTargetType)
|
|
{
|
|
// static int sCallIdx = 0;
|
|
// if (!mModule->mCompiler->mIsResolveOnly)
|
|
// sCallIdx++;
|
|
// int callIdx = sCallIdx;
|
|
// if (callIdx == 0x000000E8)
|
|
// {
|
|
// NOP;
|
|
// }
|
|
|
|
auto methodDef = methodInstance->mMethodDef;
|
|
BfIRValue funcCallInst = func;
|
|
|
|
auto importCallKind = methodInstance->GetImportCallKind();
|
|
if ((funcCallInst) && (importCallKind != BfImportCallKind_None))
|
|
{
|
|
if ((funcCallInst.IsFake()) && (!mModule->mBfIRBuilder->mIgnoreWrites))
|
|
{
|
|
mModule->mFuncReferences.TryGetValue(methodInstance, &funcCallInst);
|
|
}
|
|
|
|
if ((importCallKind == BfImportCallKind_GlobalVar) &&
|
|
(methodInstance->mHotMethod == NULL) &&
|
|
(mModule->mCompiler->IsHotCompile()))
|
|
{
|
|
// This may actually be a BfImportCallKind_GlobalVar_Hot, so check it...
|
|
mModule->CheckHotMethod(methodInstance, "");
|
|
importCallKind = methodInstance->GetImportCallKind();
|
|
}
|
|
|
|
if (importCallKind == BfImportCallKind_GlobalVar_Hot)
|
|
{
|
|
//TODO: Check against NULL for calling BfLoadSharedLibraries
|
|
auto checkVal = mModule->mBfIRBuilder->CreateLoad(funcCallInst);
|
|
|
|
BfIRBlock nullBlock = mModule->mBfIRBuilder->CreateBlock("importNull");
|
|
BfIRBlock doneBlock = mModule->mBfIRBuilder->CreateBlock("importLoad");
|
|
|
|
auto condVal = mModule->mBfIRBuilder->CreateIsNull(checkVal);
|
|
mModule->mBfIRBuilder->CreateCondBr(condVal, nullBlock, doneBlock);
|
|
|
|
mModule->mBfIRBuilder->AddBlock(nullBlock);
|
|
mModule->mBfIRBuilder->SetInsertPoint(nullBlock);
|
|
auto loadSharedLibsFunc = mModule->GetBuiltInFunc(BfBuiltInFuncType_LoadSharedLibraries);
|
|
mModule->mBfIRBuilder->CreateCall(loadSharedLibsFunc, SizedArray<BfIRValue, 0>());
|
|
mModule->mBfIRBuilder->CreateBr(doneBlock);
|
|
|
|
mModule->mBfIRBuilder->AddBlock(doneBlock);
|
|
mModule->mBfIRBuilder->SetInsertPoint(doneBlock);
|
|
funcCallInst = mModule->mBfIRBuilder->CreateLoad(funcCallInst);
|
|
}
|
|
else
|
|
{
|
|
funcCallInst = mModule->mBfIRBuilder->CreateLoad(funcCallInst);
|
|
}
|
|
}
|
|
|
|
if ((methodInstance->GetOwner()->IsInstanceOf(mModule->mCompiler->mDeferredCallTypeDef)) &&
|
|
(methodInstance->mMethodDef->mName == "Cancel"))
|
|
{
|
|
if (mModule->mCurMethodState != NULL)
|
|
mModule->mCurMethodState->mCancelledDeferredCall = true;
|
|
}
|
|
|
|
if ((methodDef->mIsNoReturn) && ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) == 0))
|
|
{
|
|
mModule->mCurMethodState->SetHadReturn(true);
|
|
mModule->mCurMethodState->mLeftBlockUncond = true;
|
|
mModule->MarkScopeLeft(&mModule->mCurMethodState->mHeadScope, true);
|
|
}
|
|
|
|
if (mModule->mCurTypeInstance != NULL)
|
|
{
|
|
bool isVirtual = (methodInstance->mVirtualTableIdx != -1) && (!bypassVirtual);
|
|
mModule->AddDependency(methodInstance->mMethodInstanceGroup->mOwner, mModule->mCurTypeInstance, isVirtual ? BfDependencyMap::DependencyFlag_VirtualCall : BfDependencyMap::DependencyFlag_Calls);
|
|
mModule->AddCallDependency(methodInstance, bypassVirtual);
|
|
}
|
|
|
|
if (methodInstance->GetOwner()->IsUnspecializedType())
|
|
{
|
|
BF_ASSERT((!methodInstance->mIRFunction) || (methodInstance == mModule->mCurMethodInstance) || (methodInstance->mMethodDef->mIsLocalMethod));
|
|
}
|
|
|
|
if (mFunctionBindResult != NULL)
|
|
{
|
|
BF_ASSERT(mFunctionBindResult->mMethodInstance == NULL);
|
|
mFunctionBindResult->mMethodInstance = methodInstance;
|
|
|
|
for (auto arg : irArgs)
|
|
mFunctionBindResult->mIRArgs.push_back(arg);
|
|
}
|
|
|
|
BfType* origReturnType = methodInstance->mReturnType;
|
|
/*if (origReturnType->IsSelf())
|
|
{
|
|
origReturnType = methodInstance->GetOwner();
|
|
BF_ASSERT(origReturnType->IsInterface());
|
|
}*/
|
|
BfType* returnType = origReturnType;
|
|
BfTypedValue sretVal;
|
|
|
|
auto _GetDefaultReturnValue = [&]()
|
|
{
|
|
if (methodInstance->mVirtualTableIdx == -1)
|
|
{
|
|
if (methodInstance->GetOwner()->IsInterface())
|
|
{
|
|
// We're attempting to directly invoke a non-virtual interface method, if we're return an interface then
|
|
// it is a concrete interface
|
|
if (returnType->IsInterface())
|
|
returnType = mModule->CreateConcreteInterfaceType(returnType->ToTypeInstance());
|
|
}
|
|
}
|
|
|
|
if ((returnType->IsVar()) && (mExpectingType != NULL))
|
|
returnType = mExpectingType;
|
|
if (returnType->IsRef())
|
|
{
|
|
auto result = mModule->GetDefaultTypedValue(returnType->GetUnderlyingType(), true, BfDefaultValueKind_Addr);
|
|
if (methodDef->mIsReadOnly)
|
|
result.mKind = BfTypedValueKind_ReadOnlyAddr;
|
|
return result;
|
|
}
|
|
else
|
|
{
|
|
auto val = mModule->GetDefaultTypedValue(returnType, true, (GetStructRetIdx(methodInstance) != -1) ? BfDefaultValueKind_Addr : BfDefaultValueKind_Value);
|
|
if (val.mKind == BfTypedValueKind_Addr)
|
|
val.mKind = BfTypedValueKind_RestrictedTempAddr;
|
|
return val;
|
|
}
|
|
};
|
|
|
|
mModule->PopulateType(origReturnType, BfPopulateType_Data);
|
|
if (GetStructRetIdx(methodInstance) != -1)
|
|
{
|
|
// We need to ensure that mReceivingValue has the correct type, otherwise it's possible that a conversion operator needs to be applied
|
|
// This happens for returning Result<T>'s with a 'T' value
|
|
if ((sret == NULL) && (mReceivingValue != NULL) && (mReceivingValue->mType == returnType))
|
|
{
|
|
sretVal = *mReceivingValue;
|
|
sret = &sretVal;
|
|
|
|
auto ptrType = mModule->CreatePointerType(returnType);
|
|
if (returnType != sret->mType)
|
|
{
|
|
sret->mValue = mModule->mBfIRBuilder->CreateBitCast(sret->mValue, mModule->mBfIRBuilder->MapType(ptrType));
|
|
sret->mType = returnType;
|
|
}
|
|
|
|
mReceivingValue = NULL;
|
|
}
|
|
|
|
if (sret == NULL)
|
|
{
|
|
sretVal = BfTypedValue(mModule->CreateAlloca(returnType), returnType, BfTypedValueKind_RestrictedTempAddr);
|
|
sret = &sretVal;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
BF_ASSERT(sret == NULL);
|
|
}
|
|
|
|
if ((mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mClosureState != NULL) && (mModule->mCurMethodState->mClosureState->mCapturing))
|
|
{
|
|
if ((methodInstance->mComptimeFlags & BfComptimeFlag_ConstEval) != 0)
|
|
{
|
|
// We need to perform call such as Compiler.Mixin and String.ConstF
|
|
}
|
|
else
|
|
return _GetDefaultReturnValue();
|
|
}
|
|
|
|
BF_ASSERT(!methodInstance->mDisallowCalling);
|
|
|
|
if ((mModule->mCompiler->mResolvePassData != NULL) && (mModule->mCompiler->mResolvePassData->mAutoComplete != NULL))
|
|
{
|
|
bool wantQuickEval = true;
|
|
|
|
if (IsComptime())
|
|
{
|
|
auto autoComplete = mModule->mCompiler->mResolvePassData->mAutoComplete;
|
|
wantQuickEval =
|
|
((autoComplete->mResolveType != BfResolveType_Autocomplete) &&
|
|
(autoComplete->mResolveType != BfResolveType_Autocomplete_HighPri) &&
|
|
(autoComplete->mResolveType != BfResolveType_GetResultString));
|
|
|
|
for (auto& entry : mModule->mCompiler->mResolvePassData->mEmitEmbedEntries)
|
|
{
|
|
if (entry.mValue.mCursorIdx >= 0)
|
|
{
|
|
// Needed for Go To Definition in Compiler.Mixin
|
|
wantQuickEval = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (wantQuickEval)
|
|
{
|
|
// In an autocomplete pass we may have stale method references that need to be resolved
|
|
// in the full classify pass, and in the full classify pass while just refreshing internals, we
|
|
// may have NULL funcs temporarily. We simply skip generating the method call here.
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0)
|
|
{
|
|
if (methodInstance->mReturnType->IsInstanceOf(mModule->mCompiler->mSpanTypeDef))
|
|
{
|
|
if ((mExpectingType != NULL) && (mExpectingType->IsSizedArray()))
|
|
{
|
|
return BfTypedValue(mModule->mBfIRBuilder->GetUndefConstValue(mModule->mBfIRBuilder->MapType(mExpectingType)), mExpectingType);
|
|
}
|
|
}
|
|
auto returnType = methodInstance->mReturnType;
|
|
if ((returnType->IsVar()) && (mExpectingType != NULL))
|
|
returnType = mExpectingType;
|
|
if (methodInstance->mReturnType->IsValuelessType())
|
|
return BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), returnType);
|
|
return BfTypedValue(mModule->mBfIRBuilder->GetUndefConstValue(mModule->mBfIRBuilder->MapType(returnType)), returnType);
|
|
}
|
|
|
|
BfTypedValue result;
|
|
if (sret != NULL)
|
|
result = *sret;
|
|
else
|
|
result = _GetDefaultReturnValue();
|
|
return result;
|
|
}
|
|
}
|
|
|
|
bool forceBind = false;
|
|
|
|
if (mModule->mCompiler->mCeMachine != NULL)
|
|
{
|
|
bool doConstReturn = false;
|
|
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0)
|
|
{
|
|
if (mFunctionBindResult != NULL)
|
|
{
|
|
forceBind = true;
|
|
}
|
|
else if ((mBfEvalExprFlags & BfEvalExprFlags_InCascade) != 0)
|
|
{
|
|
mModule->Fail("Const evaluation not allowed with cascade operator", targetSrc);
|
|
}
|
|
else if (((methodInstance->mComptimeFlags & BfComptimeFlag_OnlyFromComptime) != 0) && (!mModule->mIsComptimeModule))
|
|
{
|
|
// This either generated an error already or this is just the non-const type check pass for a comptime-only method
|
|
doConstReturn = true;
|
|
}
|
|
else if ((mBfEvalExprFlags & BfEvalExprFlags_DisallowComptime) != 0)
|
|
{
|
|
doConstReturn = true;
|
|
}
|
|
else if (((callFlags & BfCreateCallFlags_GenericParamThis) != 0) && (methodInstance->GetOwner()->IsInterface()))
|
|
{
|
|
mModule->Warn(0, "Concrete method may fail to comptime during specialization", targetSrc);
|
|
doConstReturn = true;
|
|
}
|
|
else if (methodDef->mIsVirtual)
|
|
{
|
|
// This could only really be the case for a Type, since no other 'this' could qualify as const
|
|
}
|
|
else
|
|
{
|
|
CeEvalFlags evalFlags = CeEvalFlags_None;
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_NoCeRebuildFlags) != 0)
|
|
evalFlags = (CeEvalFlags)(evalFlags | CeEvalFlags_NoRebuild);
|
|
|
|
if ((mModule->mIsComptimeModule) && (mModule->mCompiler->mCeMachine->mDebugger != NULL) && (mModule->mCompiler->mCeMachine->mDebugger->mCurDbgState != NULL))
|
|
{
|
|
auto ceDbgState = mModule->mCompiler->mCeMachine->mDebugger->mCurDbgState;
|
|
if ((ceDbgState->mDbgExpressionFlags & DwEvalExpressionFlag_AllowCalls) != 0)
|
|
{
|
|
ceDbgState->mHadSideEffects = true;
|
|
|
|
//SetAndRestoreValue<CeDebugger*> prevDebugger(mModule->mCompiler->mCeMachine->mDebugger, NULL);
|
|
|
|
evalFlags = (CeEvalFlags)(evalFlags | CeEvalFlags_DbgCall);
|
|
auto result = ceDbgState->mCeContext->Call(targetSrc, mModule, methodInstance, irArgs, evalFlags, mExpectingType);
|
|
if (result)
|
|
return result;
|
|
}
|
|
else
|
|
{
|
|
ceDbgState->mBlockedSideEffects = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
CeCallSource ceCallSource(targetSrc);
|
|
ceCallSource.mOrigCalleeType = origTargetType;
|
|
auto constRet = mModule->mCompiler->mCeMachine->Call(ceCallSource, mModule, methodInstance, irArgs, evalFlags, mExpectingType);
|
|
if (constRet)
|
|
{
|
|
auto constant = mModule->mBfIRBuilder->GetConstant(constRet.mValue);
|
|
BF_ASSERT(!constRet.mType->IsVar());
|
|
return constRet;
|
|
}
|
|
|
|
if (mModule->mCompiler->mFastFinish)
|
|
{
|
|
if ((mModule->mCurMethodInstance == NULL) || (!mModule->mCurMethodInstance->mIsAutocompleteMethod))
|
|
{
|
|
// We didn't properly resolve this so queue for a rebuild later
|
|
mModule->DeferRebuildType(mModule->mCurTypeInstance);
|
|
}
|
|
}
|
|
doConstReturn = true;
|
|
}
|
|
}
|
|
}
|
|
else if (mModule->mIsComptimeModule)
|
|
{
|
|
//TODO: This meant that unspecialized types were not even allowed to have Init methods that called into themselves
|
|
// if (methodInstance->mIsUnspecialized)
|
|
// {
|
|
// doConstReturn = true;
|
|
// }
|
|
// else
|
|
{
|
|
mModule->mCompiler->mCeMachine->QueueMethod(methodInstance, func);
|
|
}
|
|
}
|
|
|
|
if (doConstReturn)
|
|
{
|
|
if ((returnType->IsVar()) && (mExpectingType != NULL))
|
|
returnType = mExpectingType;
|
|
if (returnType->IsRef())
|
|
{
|
|
return _GetDefaultReturnValue();
|
|
}
|
|
else
|
|
{
|
|
if (returnType->IsInstanceOf(mModule->mCompiler->mSpanTypeDef))
|
|
{
|
|
if ((mExpectingType != NULL) && (mExpectingType->IsUndefSizedArray()))
|
|
{
|
|
if (returnType->GetUnderlyingType() == mExpectingType->GetUnderlyingType())
|
|
return mModule->GetDefaultTypedValue(mExpectingType, true, BfDefaultValueKind_Undef);
|
|
}
|
|
}
|
|
|
|
if (methodInstance->mReturnType->IsValuelessType())
|
|
return BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), returnType);
|
|
return mModule->GetDefaultTypedValue(returnType, true, BfDefaultValueKind_Undef);
|
|
}
|
|
|
|
return _GetDefaultReturnValue();
|
|
}
|
|
}
|
|
|
|
if (!forceBind)
|
|
{
|
|
if (((!func) && (methodInstance->mIsUnspecialized)) || (mModule->mBfIRBuilder->mIgnoreWrites))
|
|
{
|
|
// We don't actually submit method calls for unspecialized methods
|
|
// - this includes all methods in unspecialized types
|
|
return _GetDefaultReturnValue();
|
|
}
|
|
}
|
|
|
|
if (methodInstance->mVirtualTableIdx != -1)
|
|
{
|
|
if ((!bypassVirtual) && (mDeferCallRef == NULL))
|
|
{
|
|
if ((methodDef->mIsOverride) && (mModule->mCurMethodInstance->mIsReified))
|
|
{
|
|
// Ensure that declaring method gets referenced
|
|
auto typeInstance = methodInstance->GetOwner();
|
|
auto& vEntry = typeInstance->mVirtualMethodTable[methodInstance->mVirtualTableIdx];
|
|
BfMethodInstance* declaringMethodInstance = vEntry.mDeclaringMethod;
|
|
if ((declaringMethodInstance->mMethodInstanceGroup->mOnDemandKind < BfMethodOnDemandKind_InWorkList) || (!declaringMethodInstance->mIsReified))
|
|
mModule->GetMethodInstance(declaringMethodInstance);
|
|
}
|
|
|
|
auto funcType = mModule->mBfIRBuilder->MapMethod(methodInstance);
|
|
auto funcPtrType1 = mModule->mBfIRBuilder->GetPointerTo(funcType);
|
|
auto funcPtrType2 = mModule->mBfIRBuilder->GetPointerTo(funcPtrType1);
|
|
auto funcPtrType3 = mModule->mBfIRBuilder->GetPointerTo(funcPtrType2);
|
|
auto funcPtrType4 = mModule->mBfIRBuilder->GetPointerTo(funcPtrType3);
|
|
|
|
if (methodInstance->mMethodInstanceGroup->mOwner->IsInterface())
|
|
{
|
|
if (mModule->mIsComptimeModule)
|
|
{
|
|
funcCallInst = mModule->mBfIRBuilder->Comptime_GetInterfaceFunc(irArgs[0], methodInstance->mMethodInstanceGroup->mOwner->mTypeId, methodInstance->mMethodDef->mIdx, funcPtrType1);
|
|
}
|
|
else
|
|
{
|
|
// IFace dispatch
|
|
auto ifaceTypeInst = methodInstance->mMethodInstanceGroup->mOwner;
|
|
BfIRValue slotOfs = mModule->GetInterfaceSlotNum(methodInstance->mMethodInstanceGroup->mOwner);
|
|
|
|
auto vDataPtrPtr = mModule->mBfIRBuilder->CreateBitCast(irArgs[0], funcPtrType4);
|
|
auto vDataPtr = mModule->FixClassVData(mModule->mBfIRBuilder->CreateLoad(vDataPtrPtr/*, "vtable"*/));
|
|
|
|
auto ifacePtrPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(vDataPtr, slotOfs/*, "iface"*/);
|
|
auto ifacePtr = mModule->mBfIRBuilder->CreateLoad(ifacePtrPtr);
|
|
|
|
auto funcPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(ifacePtr, methodInstance->mVirtualTableIdx/*, "vfn"*/);
|
|
funcCallInst = mModule->mBfIRBuilder->CreateLoad(funcPtr);
|
|
}
|
|
}
|
|
else if (mModule->mIsComptimeModule)
|
|
{
|
|
funcCallInst = mModule->mBfIRBuilder->Comptime_GetVirtualFunc(irArgs[0], methodInstance->mVirtualTableIdx, funcPtrType1);
|
|
}
|
|
else
|
|
{
|
|
mModule->HadSlotCountDependency();
|
|
|
|
// Virtual dispatch
|
|
// int vDataIdx = 0;
|
|
// vDataIdx += 1 + methodInstance->GetOwner()->GetDynCastVDataCount() + mModule->mCompiler->mMaxInterfaceSlots;
|
|
|
|
BfIRValue vDataPtr;
|
|
BfIRValue vDataIdx;
|
|
|
|
if ((mModule->mCompiler->mOptions.mHasVDataExtender) && (mModule->mCompiler->IsHotCompile()))
|
|
{
|
|
auto typeInst = methodInstance->mMethodInstanceGroup->mOwner;
|
|
|
|
int extMethodIdx = (methodInstance->mVirtualTableIdx - typeInst->GetImplBaseVTableSize()) - typeInst->GetOrigSelfVTableSize();
|
|
if (extMethodIdx >= 0)
|
|
{
|
|
BF_ASSERT(mModule->mCompiler->IsHotCompile());
|
|
|
|
// We have grown outside our original virtual table, Load the new vdataPtr from the mHasVDataExtender
|
|
// vDataPtr = obj.vtable.extension.entry[curVersion]
|
|
BfIRValue vDataPtrPtr = mModule->mBfIRBuilder->CreateBitCast(irArgs[0], funcPtrType4);
|
|
vDataPtr = mModule->FixClassVData(mModule->mBfIRBuilder->CreateLoad(vDataPtrPtr));
|
|
// The offset of the vExt is one past the base vtable. When a base class extends its virtual table, an entry
|
|
// for that new method is inserted in mVirtualMethodTable (thus increasing the index relative to GetBaseVTableSize()),
|
|
// but the actual written vtable position doesn't change, hence offsetting from GetOrigBaseVTableSize()
|
|
#ifdef _DEBUG
|
|
int vExtIdx = typeInst->GetImplBaseVTableSize();
|
|
BF_ASSERT(typeInst->mVirtualMethodTable[vExtIdx].mDeclaringMethod.mMethodNum == -1); // A type entry with a -1 mMethodNum means it's a vtable ext slot
|
|
#endif
|
|
int vExtOfs = typeInst->GetOrigImplBaseVTableSize();
|
|
|
|
|
|
vDataIdx = mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int32, mModule->mCompiler->GetVDataPrefixDataCount() + mModule->mCompiler->GetDynCastVDataCount() + mModule->mCompiler->mMaxInterfaceSlots);
|
|
vDataIdx = mModule->mBfIRBuilder->CreateAdd(vDataIdx, mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int32, vExtOfs));
|
|
BfIRValue extendPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(vDataPtr, vDataIdx);
|
|
vDataPtr = mModule->mBfIRBuilder->CreateLoad(extendPtr);
|
|
vDataIdx = mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int32, extMethodIdx);
|
|
}
|
|
else
|
|
{
|
|
// Map this new virtual index back to the original index
|
|
//vDataIdx += (methodInstance->mVirtualTableIdx - typeInst->GetBaseVTableSize()) + typeInst->GetOrigBaseVTableSize();
|
|
|
|
//vDataIdx = mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int32, 1 + methodInstance->GetOwner()->GetDynCastVDataCount() + mModule->mCompiler->mMaxInterfaceSlots);
|
|
|
|
vDataIdx = mModule->mBfIRBuilder->GetConfigConst(BfIRConfigConst_VirtualMethodOfs, BfTypeCode_Int32);
|
|
vDataIdx = mModule->mBfIRBuilder->CreateAdd(vDataIdx, mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int32,
|
|
(methodInstance->mVirtualTableIdx - typeInst->GetImplBaseVTableSize()) + typeInst->GetOrigImplBaseVTableSize()));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
//vDataIdx += methodInstance->mVirtualTableIdx;
|
|
|
|
//vDataIdx = mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int32, 1 + methodInstance->GetOwner()->GetDynCastVDataCount() + mModule->mCompiler->mMaxInterfaceSlots);
|
|
vDataIdx = mModule->mBfIRBuilder->GetConfigConst(BfIRConfigConst_VirtualMethodOfs, BfTypeCode_Int32);
|
|
vDataIdx = mModule->mBfIRBuilder->CreateAdd(vDataIdx, mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int32, methodInstance->mVirtualTableIdx));
|
|
}
|
|
|
|
if (!vDataPtr)
|
|
{
|
|
BfIRValue vDataPtrPtr = mModule->mBfIRBuilder->CreateBitCast(irArgs[0], funcPtrType3);
|
|
vDataPtr = mModule->FixClassVData(mModule->mBfIRBuilder->CreateLoad(vDataPtrPtr/*, "vtable"*/));
|
|
}
|
|
|
|
auto funcPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(vDataPtr, vDataIdx/*, "vfn"*/);
|
|
funcCallInst = mModule->mBfIRBuilder->CreateLoad(funcPtr);
|
|
}
|
|
}
|
|
}
|
|
else // non-virtual
|
|
{
|
|
if (methodInstance->GetOwner()->IsInterface())
|
|
{
|
|
// We're attempting to directly invoke a non-virtual interface method, this will happen during the unspecialized pass
|
|
// OR if we had an error and didn't find an implementing member in the actual target
|
|
if (((mModule->mCurMethodInstance == NULL) || (!mModule->mCurMethodInstance->mIsUnspecialized)) &&
|
|
(!mModule->mCurTypeInstance->IsInterface()))
|
|
mModule->AssertErrorState();
|
|
|
|
if (returnType->IsInterface())
|
|
returnType = mModule->CreateConcreteInterfaceType(returnType->ToTypeInstance());
|
|
|
|
return _GetDefaultReturnValue();
|
|
}
|
|
}
|
|
|
|
if (mFunctionBindResult != NULL)
|
|
{
|
|
mFunctionBindResult->mFunc = funcCallInst;
|
|
if (irArgs.size() != 0)
|
|
{
|
|
auto targetType = methodInstance->mMethodInstanceGroup->mOwner;
|
|
if ((targetType->IsValueType()) && (targetType->IsSplattable()) && (!methodDef->HasNoThisSplat()) && (!IsComptime()))
|
|
mFunctionBindResult->mTarget = BfTypedValue(irArgs[0], targetType, BfTypedValueKind_SplatHead);
|
|
else
|
|
mFunctionBindResult->mTarget = BfTypedValue(irArgs[0], targetType, targetType->IsComposite() ? BfTypedValueKind_Addr : BfTypedValueKind_Value);
|
|
}
|
|
else
|
|
{
|
|
mFunctionBindResult->mTarget = BfTypedValue();
|
|
}
|
|
|
|
return BfTypedValue();
|
|
}
|
|
|
|
if (methodInstance->mReturnType == NULL)
|
|
{
|
|
mModule->AssertErrorState();
|
|
return BfTypedValue();
|
|
}
|
|
|
|
if (((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsUnspecialized)) && (mModule->mBfIRBuilder->mIgnoreWrites))
|
|
{
|
|
// Don't actually do the call - our target may be a generic param
|
|
return _GetDefaultReturnValue();
|
|
}
|
|
|
|
if (mDeferCallRef != NULL)
|
|
{
|
|
mModule->AddDeferredCall(BfModuleMethodInstance(methodInstance, func), irArgs, mDeferScopeAlloc, mDeferCallRef, bypassVirtual);
|
|
return mModule->GetFakeTypedValue(returnType);
|
|
}
|
|
|
|
if (!funcCallInst)
|
|
{
|
|
if ((mModule->HasCompiledOutput()) || (mModule->mCompiler->mOptions.mExtraResolveChecks))
|
|
{
|
|
// This can happen either from an error, or from the resolver while doing Internals_Changed processing
|
|
mModule->AssertErrorState();
|
|
}
|
|
return _GetDefaultReturnValue();
|
|
}
|
|
|
|
bool hasResult = !methodInstance->mReturnType->IsValuelessType();
|
|
|
|
BfIRValue firstArg;
|
|
if (irArgs.size() != 0)
|
|
firstArg = irArgs[0];
|
|
|
|
auto methodInstOwner = methodInstance->GetOwner();
|
|
auto expectCallingConvention = mModule->GetIRCallingConvention(methodInstance);
|
|
if ((methodInstOwner->IsFunction()) && (methodInstance->GetParamCount() > 0) && (methodInstance->GetParamName(0) == "this"))
|
|
{
|
|
auto paramType = methodInstance->GetParamType(0);
|
|
if (!paramType->IsValueType())
|
|
expectCallingConvention = BfIRCallingConv_ThisCall;
|
|
}
|
|
|
|
if ((methodInstance->mAlwaysInline) && (mModule->mCompiler->mOptions.mEmitLineInfo))
|
|
{
|
|
// Emit a NOP so we always have a "step over" point
|
|
mModule->EmitEnsureInstructionAt();
|
|
}
|
|
|
|
if (returnType->IsComposite())
|
|
mModule->mBfIRBuilder->PopulateType(returnType);
|
|
|
|
methodInstance->mMethodInstanceGroup->mHasEmittedReference = true;
|
|
|
|
BfIRValue callInst;
|
|
int callIRArgCount = (int)irArgs.size();
|
|
if (sret != NULL)
|
|
{
|
|
SizedArray<BfIRValue, 8> sretIRArgs;
|
|
int sretIdx = GetStructRetIdx(methodInstance);
|
|
int inIdx = 0;
|
|
for (int outIdx = 0; outIdx < irArgs.size() + 1; outIdx++)
|
|
{
|
|
if (outIdx == sretIdx)
|
|
{
|
|
sretIRArgs.Add(sret->mValue);
|
|
continue;
|
|
}
|
|
sretIRArgs.Add(irArgs[inIdx++]);
|
|
}
|
|
callInst = mModule->mBfIRBuilder->CreateCall(funcCallInst, sretIRArgs);
|
|
callIRArgCount++;
|
|
}
|
|
else
|
|
{
|
|
callInst = mModule->mBfIRBuilder->CreateCall(funcCallInst, irArgs);
|
|
|
|
if ((hasResult) && (!methodDef->mName.IsEmpty()) && (!methodInstance->mIsIntrinsic))
|
|
mModule->mBfIRBuilder->SetName(callInst, methodDef->mName);
|
|
}
|
|
if ((expectCallingConvention != BfIRCallingConv_CDecl) && (!methodInstance->mIsIntrinsic))
|
|
mModule->mBfIRBuilder->SetCallCallingConv(callInst, expectCallingConvention);
|
|
|
|
if ((methodDef->mIsNoReturn) && (!methodInstance->mIsIntrinsic))
|
|
mModule->mBfIRBuilder->Call_AddAttribute(callInst, -1, BfIRAttribute_NoReturn);
|
|
|
|
bool hadAttrs = false;
|
|
int paramIdx = 0;
|
|
bool doingThis = methodInstance->HasThis();
|
|
int argIdx = 0;
|
|
|
|
if (methodDef->mHasExplicitThis)
|
|
paramIdx++;
|
|
|
|
int paramCount = methodInstance->GetParamCount();
|
|
|
|
for ( ; argIdx < callIRArgCount ; )
|
|
{
|
|
if (methodInstance->mIsIntrinsic)
|
|
break;
|
|
|
|
if (argIdx == GetStructRetIdx(methodInstance))
|
|
{
|
|
mModule->mBfIRBuilder->Call_AddAttribute(callInst, argIdx + 1, BfIRAttribute_StructRet);
|
|
argIdx++;
|
|
continue;
|
|
}
|
|
|
|
auto _HandleParamType = [&] (BfType* paramType)
|
|
{
|
|
if (paramType->IsStruct())
|
|
{
|
|
if ((!doingThis) || (!methodDef->mIsMutating && methodInstance->AllowsSplatting(paramIdx)))
|
|
{
|
|
BfTypeCode loweredTypeCode = BfTypeCode_None;
|
|
BfTypeCode loweredTypeCode2 = BfTypeCode_None;
|
|
if (paramType->GetLoweredType(BfTypeUsage_Parameter, &loweredTypeCode, &loweredTypeCode2))
|
|
{
|
|
argIdx++;
|
|
if (loweredTypeCode2 != BfTypeCode_None)
|
|
argIdx++;
|
|
return; // Lowering never requires attributes
|
|
}
|
|
}
|
|
}
|
|
|
|
int addDeref = -1;
|
|
if (paramType->IsRef())
|
|
{
|
|
auto refType = (BfRefType*)paramType;
|
|
auto elementType = refType->mElementType;
|
|
mModule->PopulateType(elementType, BfPopulateType_Data);
|
|
addDeref = elementType->mSize;
|
|
if ((addDeref <= 0) && (!elementType->IsValuelessType()))
|
|
mModule->AssertErrorState();
|
|
}
|
|
|
|
if ((paramType->IsComposite()) && (!paramType->IsTypedPrimitive()))
|
|
{
|
|
if (mModule->mCompiler->mOptions.mAllowStructByVal)
|
|
{
|
|
//byval
|
|
}
|
|
else
|
|
{
|
|
mModule->PopulateType(paramType, BfPopulateType_Data);
|
|
|
|
auto typeInst = paramType->ToTypeInstance();
|
|
if ((typeInst != NULL) && (typeInst->mIsCRepr) && (typeInst->IsSplattable()) && (!IsComptime()))
|
|
{
|
|
// We're splatting
|
|
}
|
|
else
|
|
{
|
|
if (doingThis)
|
|
{
|
|
mModule->mBfIRBuilder->Call_AddAttribute(callInst, argIdx + 1, BfIRAttribute_NoCapture);
|
|
addDeref = paramType->mSize;
|
|
}
|
|
else if (methodInstance->WantsStructsAttribByVal(paramType))
|
|
{
|
|
mModule->mBfIRBuilder->Call_AddAttribute(callInst, argIdx + 1, BfIRAttribute_ByVal, mModule->mSystem->mPtrSize);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (paramType->IsPrimitiveType())
|
|
{
|
|
auto primType = (BfPrimitiveType*)paramType;
|
|
if ((primType->mTypeDef->mTypeCode == BfTypeCode_Boolean) && (!methodInstance->mIsIntrinsic))
|
|
mModule->mBfIRBuilder->Call_AddAttribute(callInst, argIdx + 1, BfIRAttribute_ZExt);
|
|
}
|
|
|
|
if (addDeref >= 0)
|
|
{
|
|
mModule->mBfIRBuilder->Call_AddAttribute(callInst, argIdx + 1, BfIRAttribute_Dereferencable, addDeref);
|
|
}
|
|
|
|
argIdx++;
|
|
};
|
|
|
|
BfType* paramType = NULL;
|
|
if (doingThis)
|
|
{
|
|
int thisIdx = methodInstance->GetThisIdx();
|
|
paramType = methodInstance->GetThisType();
|
|
if (paramType->IsValuelessType())
|
|
{
|
|
doingThis = false;
|
|
continue;
|
|
}
|
|
bool isSplatted = methodInstance->GetParamIsSplat(thisIdx) && (!IsComptime()); // (resolvedTypeRef->IsSplattable()) && (!methodDef->mIsMutating);
|
|
if (isSplatted)
|
|
{
|
|
BfTypeUtils::SplatIterate(_HandleParamType, paramType);
|
|
doingThis = false;
|
|
continue;
|
|
}
|
|
else
|
|
_HandleParamType(paramType);
|
|
}
|
|
else
|
|
{
|
|
if (paramIdx >= methodInstance->GetParamCount())
|
|
break;
|
|
|
|
paramType = methodInstance->GetParamType(paramIdx);
|
|
|
|
BfTypeCode loweredTypeCode = BfTypeCode_None;
|
|
BfTypeCode loweredTypeCode2 = BfTypeCode_None;
|
|
if (paramType->GetLoweredType(BfTypeUsage_Parameter, &loweredTypeCode, &loweredTypeCode2))
|
|
{
|
|
argIdx++;
|
|
paramIdx++;
|
|
if (loweredTypeCode2 != BfTypeCode_None)
|
|
argIdx++;
|
|
continue;
|
|
}
|
|
|
|
if ((paramType->IsValuelessType()) && (!paramType->IsMethodRef()))
|
|
{
|
|
paramIdx++;
|
|
continue;
|
|
}
|
|
|
|
if ((methodInstance->GetParamIsSplat(paramIdx)) && (!IsComptime()))
|
|
{
|
|
BfTypeUtils::SplatIterate(_HandleParamType, paramType);
|
|
paramIdx++;
|
|
continue;
|
|
}
|
|
else
|
|
_HandleParamType(methodInstance->GetParamType(paramIdx));
|
|
}
|
|
|
|
if (doingThis)
|
|
doingThis = false;
|
|
else
|
|
paramIdx++;
|
|
//argIdx++;
|
|
}
|
|
|
|
if ((callFlags & BfCreateCallFlags_TailCall) != 0)
|
|
mModule->mBfIRBuilder->SetTailCall(callInst);
|
|
|
|
if (methodDef->mIsNoReturn)
|
|
{
|
|
mModule->mBfIRBuilder->CreateUnreachable();
|
|
// For debuggability when looking back at stack trace
|
|
//mModule->ExtendLocalLifetimes(0);
|
|
|
|
if (mModule->IsTargetingBeefBackend())
|
|
{
|
|
auto checkScope = mModule->mCurMethodState->mCurScope;
|
|
while (checkScope != NULL)
|
|
{
|
|
mModule->EmitLifetimeEnds(checkScope);
|
|
checkScope = checkScope->mPrevScope;
|
|
}
|
|
|
|
// This 'fake' branch extends lifetimes of outer variable scopes
|
|
if (mModule->mCurMethodState->mIRExitBlock)
|
|
mModule->mBfIRBuilder->CreateBr_Fake(mModule->mCurMethodState->mIRExitBlock);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (mModule->mCurMethodState != NULL)
|
|
mModule->mCurMethodState->mMayNeedThisAccessCheck = true;
|
|
}
|
|
|
|
BfTypedValue result;
|
|
if (sret != NULL)
|
|
result = *sret;
|
|
else if (hasResult)
|
|
{
|
|
BfTypeCode loweredRetType = BfTypeCode_None;
|
|
BfTypeCode loweredRetType2 = BfTypeCode_None;
|
|
if ((!IsComptime()) && (methodInstance->GetLoweredReturnType(&loweredRetType, &loweredRetType2)) && (loweredRetType != BfTypeCode_None))
|
|
{
|
|
auto retVal = mModule->CreateAlloca(methodInstance->mReturnType);
|
|
BfIRType loweredIRType = mModule->GetIRLoweredType(loweredRetType, loweredRetType2);
|
|
loweredIRType = mModule->mBfIRBuilder->GetPointerTo(loweredIRType);
|
|
auto castedRetVal = mModule->mBfIRBuilder->CreateBitCast(retVal, loweredIRType);
|
|
mModule->mBfIRBuilder->CreateStore(callInst, castedRetVal);
|
|
result = BfTypedValue(retVal, methodInstance->mReturnType, BfTypedValueKind_RestrictedTempAddr);
|
|
}
|
|
else
|
|
result = BfTypedValue(callInst, methodInstance->mReturnType);
|
|
}
|
|
else
|
|
result = mModule->GetFakeTypedValue(methodInstance->mReturnType);
|
|
if (result.mType->IsRef())
|
|
{
|
|
result = mModule->RemoveRef(result);
|
|
if (methodDef->mIsReadOnly)
|
|
{
|
|
if (result.mKind == BfTypedValueKind_Addr)
|
|
result.mKind = BfTypedValueKind_ReadOnlyAddr;
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
BfTypedValue BfExprEvaluator::CreateCall(BfMethodMatcher* methodMatcher, BfTypedValue target)
|
|
{
|
|
auto moduleMethodInstance = GetSelectedMethod(*methodMatcher);
|
|
if (moduleMethodInstance.mMethodInstance == NULL)
|
|
return BfTypedValue();
|
|
if ((target) && (target.mType != moduleMethodInstance.mMethodInstance->GetOwner()))
|
|
{
|
|
auto castedTarget = mModule->Cast(methodMatcher->mTargetSrc, target, moduleMethodInstance.mMethodInstance->GetOwner());
|
|
BF_ASSERT(castedTarget);
|
|
target = castedTarget;
|
|
}
|
|
|
|
PerformCallChecks(moduleMethodInstance.mMethodInstance, methodMatcher->mTargetSrc);
|
|
|
|
BfCreateCallFlags callFlags = BfCreateCallFlags_None;
|
|
if (methodMatcher->mAllowImplicitRef)
|
|
callFlags = (BfCreateCallFlags)(callFlags | BfCreateCallFlags_AllowImplicitRef);
|
|
return CreateCall(methodMatcher->mTargetSrc, target, BfTypedValue(), methodMatcher->mBestMethodDef, moduleMethodInstance, callFlags, methodMatcher->mArguments);
|
|
}
|
|
|
|
void BfExprEvaluator::MakeBaseConcrete(BfTypedValue& typedValue)
|
|
{
|
|
if (typedValue.IsBase())
|
|
{
|
|
auto baseType = mModule->mCurTypeInstance->mBaseType;
|
|
if (baseType == NULL)
|
|
baseType = mModule->mContext->mBfObjectType;
|
|
mModule->PopulateType(baseType, BfPopulateType_Data);
|
|
typedValue = mModule->Cast(NULL, typedValue, baseType, BfCastFlags_Explicit);
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::SplatArgs(BfTypedValue value, SizedArrayImpl<BfIRValue>& irArgs)
|
|
{
|
|
if (value.IsSplat())
|
|
{
|
|
int componentIdx = 0;
|
|
BfTypeUtils::SplatIterate([&](BfType* checkType) { irArgs.push_back(mModule->ExtractSplatValue(value, componentIdx++, checkType)); }, value.mType);
|
|
|
|
return;
|
|
}
|
|
|
|
mModule->mBfIRBuilder->PopulateType(value.mType);
|
|
std::function<void(BfTypedValue)> checkTypeLambda = [&](BfTypedValue curValue)
|
|
{
|
|
BfType* checkType = curValue.mType;
|
|
if (checkType->IsStruct())
|
|
{
|
|
auto checkTypeInstance = checkType->ToTypeInstance();
|
|
|
|
if (checkTypeInstance->mBaseType != NULL)
|
|
mModule->PopulateType(checkTypeInstance->mBaseType);
|
|
|
|
if ((checkTypeInstance->mBaseType != NULL) && (!checkTypeInstance->mBaseType->IsValuelessType()))
|
|
{
|
|
BfTypedValue baseValue;
|
|
if (curValue.IsAddr())
|
|
baseValue = BfTypedValue((!curValue.mValue) ? BfIRValue() : mModule->mBfIRBuilder->CreateInBoundsGEP(curValue.mValue, 0, 0), checkTypeInstance->mBaseType, true);
|
|
else
|
|
baseValue = BfTypedValue((!curValue.mValue) ? BfIRValue() : mModule->mBfIRBuilder->CreateExtractValue(curValue.mValue, 0), checkTypeInstance->mBaseType);
|
|
checkTypeLambda(baseValue);
|
|
}
|
|
|
|
if (checkTypeInstance->mIsUnion)
|
|
{
|
|
auto unionInnerType = checkTypeInstance->GetUnionInnerType();
|
|
if (!unionInnerType->IsValuelessType())
|
|
{
|
|
BfTypedValue unionValue = mModule->ExtractValue(curValue, NULL, 1);
|
|
checkTypeLambda(unionValue);
|
|
}
|
|
|
|
if (checkTypeInstance->IsEnum())
|
|
{
|
|
BfTypedValue dscrValue = mModule->ExtractValue(curValue, NULL, 2);
|
|
checkTypeLambda(dscrValue);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (int fieldIdx = 0; fieldIdx < (int)checkTypeInstance->mFieldInstances.size(); fieldIdx++)
|
|
{
|
|
auto fieldInstance = (BfFieldInstance*)&checkTypeInstance->mFieldInstances[fieldIdx];
|
|
if (fieldInstance->mDataIdx >= 0)
|
|
{
|
|
BfTypedValue fieldValue = mModule->ExtractValue(curValue, fieldInstance, fieldInstance->mDataIdx);
|
|
checkTypeLambda(fieldValue);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (checkType->IsMethodRef())
|
|
{
|
|
BF_ASSERT(curValue.IsAddr());
|
|
|
|
BfMethodRefType* methodRefType = (BfMethodRefType*)checkType;
|
|
for (int dataIdx = 0; dataIdx < methodRefType->GetCaptureDataCount(); dataIdx++)
|
|
{
|
|
auto checkType = methodRefType->GetCaptureType(dataIdx);
|
|
if (methodRefType->WantsDataPassedAsSplat(dataIdx))
|
|
{
|
|
BF_ASSERT(dataIdx == 0);
|
|
|
|
auto ptrType = mModule->CreatePointerType(checkType);
|
|
auto elemPtr = mModule->mBfIRBuilder->CreateBitCast(curValue.mValue, mModule->mBfIRBuilder->MapType(ptrType));
|
|
checkTypeLambda(BfTypedValue(elemPtr, checkType, BfTypedValueKind_Addr));
|
|
|
|
//BfTypedValue fieldValue = mModule->ExtractValue(curValue, fieldInstance, fieldInstance->mDataIdx);
|
|
//checkTypeLambda(fieldValue);
|
|
}
|
|
else
|
|
{
|
|
auto elemVal = mModule->mBfIRBuilder->CreateInBoundsGEP(curValue.mValue, 0, dataIdx);
|
|
if (!checkType->IsComposite())
|
|
elemVal = mModule->mBfIRBuilder->CreateLoad(elemVal);
|
|
irArgs.Add(elemVal);
|
|
//irArgs.Add(mModule->ExtractValue(curValue, dataIdx));
|
|
}
|
|
}
|
|
}
|
|
else if (!checkType->IsValuelessType())
|
|
{
|
|
auto loadedVal = mModule->LoadValue(curValue);
|
|
loadedVal = mModule->PrepareConst(loadedVal);
|
|
irArgs.push_back(loadedVal.mValue);
|
|
}
|
|
};
|
|
|
|
checkTypeLambda(value);
|
|
}
|
|
|
|
void BfExprEvaluator::PushArg(BfTypedValue argVal, SizedArrayImpl<BfIRValue>& irArgs, bool disableSplat, bool disableLowering, bool isIntrinsic, bool createCompositeCopy)
|
|
{
|
|
MakeBaseConcrete(argVal);
|
|
|
|
if (IsVar(argVal.mType))
|
|
{
|
|
argVal = mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
|
|
}
|
|
|
|
if (argVal.mType->IsValuelessType())
|
|
return;
|
|
bool wantSplat = false;
|
|
if ((argVal.mType->IsSplattable()) && (!disableSplat) && (!IsComptime()))
|
|
{
|
|
disableLowering = true;
|
|
auto argTypeInstance = argVal.mType->ToTypeInstance();
|
|
if (!disableSplat)
|
|
{
|
|
if ((argTypeInstance != NULL) && (argTypeInstance->mIsCRepr))
|
|
wantSplat = true;
|
|
else if ((int)irArgs.size() + argVal.mType->GetSplatCount() <= mModule->mCompiler->mOptions.mMaxSplatRegs)
|
|
wantSplat = true;
|
|
}
|
|
}
|
|
|
|
if (wantSplat)
|
|
{
|
|
SplatArgs(argVal, irArgs);
|
|
}
|
|
else
|
|
{
|
|
if (argVal.mType->IsComposite())
|
|
{
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0)
|
|
{
|
|
// Const eval entry - we want any incoming consts as they are
|
|
}
|
|
else if (isIntrinsic)
|
|
{
|
|
// We can handle composites either by value or not
|
|
}
|
|
else
|
|
argVal = mModule->MakeAddressable(argVal);
|
|
|
|
if ((!IsComptime()) && (!disableLowering) && (!isIntrinsic))
|
|
{
|
|
BfTypeCode loweredTypeCode = BfTypeCode_None;
|
|
BfTypeCode loweredTypeCode2 = BfTypeCode_None;
|
|
if (argVal.mType->GetLoweredType(BfTypeUsage_Parameter, &loweredTypeCode, &loweredTypeCode2))
|
|
{
|
|
BfIRValue argPtrVal = argVal.mValue;
|
|
|
|
int loweredSize = mModule->mBfIRBuilder->GetSize(loweredTypeCode) + mModule->mBfIRBuilder->GetSize(loweredTypeCode2);
|
|
if (argVal.mType->mSize < loweredSize)
|
|
{
|
|
auto allocaVal = mModule->CreateAlloca(mModule->GetPrimitiveType(BfTypeCode_UInt8), true, NULL, mModule->GetConstValue(loweredSize));
|
|
mModule->mBfIRBuilder->SetAllocaAlignment(allocaVal,
|
|
BF_MAX(argVal.mType->mAlign,
|
|
BF_MAX(mModule->mBfIRBuilder->GetSize(loweredTypeCode), mModule->mBfIRBuilder->GetSize(loweredTypeCode2))));
|
|
auto castedPtr = mModule->mBfIRBuilder->CreateBitCast(allocaVal, mModule->mBfIRBuilder->MapType(mModule->CreatePointerType(argVal.mType)));
|
|
auto argIRVal = mModule->mBfIRBuilder->CreateAlignedLoad(argVal.mValue, argVal.mType->mAlign);
|
|
mModule->mBfIRBuilder->CreateAlignedStore(argIRVal, castedPtr, argVal.mType->mAlign);
|
|
argPtrVal = castedPtr;
|
|
}
|
|
|
|
auto primType = mModule->mBfIRBuilder->GetPrimitiveType(loweredTypeCode);
|
|
auto ptrType = mModule->mBfIRBuilder->GetPointerTo(primType);
|
|
BfIRValue primPtrVal = mModule->mBfIRBuilder->CreateBitCast(argPtrVal, ptrType);
|
|
auto primVal = mModule->mBfIRBuilder->CreateLoad(primPtrVal);
|
|
irArgs.push_back(primVal);
|
|
|
|
if (loweredTypeCode2 != BfTypeCode_None)
|
|
{
|
|
auto primType2 = mModule->mBfIRBuilder->GetPrimitiveType(loweredTypeCode2);
|
|
auto ptrType2 = mModule->mBfIRBuilder->GetPointerTo(primType2);
|
|
BfIRValue primPtrVal2;
|
|
if (mModule->mBfIRBuilder->GetSize(loweredTypeCode) < mModule->mBfIRBuilder->GetSize(loweredTypeCode2))
|
|
primPtrVal2 = mModule->mBfIRBuilder->CreateInBoundsGEP(mModule->mBfIRBuilder->CreateBitCast(primPtrVal, ptrType2), 1);
|
|
else
|
|
primPtrVal2 = mModule->mBfIRBuilder->CreateBitCast(mModule->mBfIRBuilder->CreateInBoundsGEP(primPtrVal, 1), ptrType2);
|
|
|
|
auto primVal2 = mModule->mBfIRBuilder->CreateLoad(primPtrVal2);
|
|
irArgs.Add(primVal2);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|
|
if ((createCompositeCopy) && (!argVal.IsTempAddr()))
|
|
{
|
|
// Non-Beef calling conventions require copies of composites
|
|
auto copyAddr = mModule->CreateAlloca(argVal.mType);
|
|
mModule->mBfIRBuilder->CreateStore(mModule->LoadValue(argVal).mValue, copyAddr);
|
|
argVal = BfTypedValue(copyAddr, argVal.mType, BfTypedValueKind_TempAddr);
|
|
}
|
|
}
|
|
else
|
|
argVal = mModule->LoadValue(argVal);
|
|
irArgs.Add(argVal.mValue);
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::PushThis(BfAstNode* targetSrc, BfTypedValue argVal, BfMethodInstance* methodInstance, SizedArrayImpl<BfIRValue>& irArgs, bool skipMutCheck)
|
|
{
|
|
MakeBaseConcrete(argVal);
|
|
|
|
auto methodDef = methodInstance->mMethodDef;
|
|
if (methodInstance->IsSkipCall())
|
|
return;
|
|
|
|
if (!argVal)
|
|
{
|
|
//BF_ASSERT(mFunctionBindResult != NULL);
|
|
return;
|
|
}
|
|
|
|
if (methodDef->mIsMutating)
|
|
{
|
|
bool checkMut = false;
|
|
if (argVal.mType->IsGenericParam())
|
|
{
|
|
// For capturing mutability
|
|
if (mResultLocalVar != NULL)
|
|
mResultLocalVar->mWrittenToId = mModule->mCurMethodState->GetRootMethodState()->mCurAccessId++;
|
|
}
|
|
|
|
if (((argVal.mType->IsComposite()) || (argVal.mType->IsTypedPrimitive())))
|
|
{
|
|
if (argVal.IsCopyOnMutate())
|
|
argVal = mModule->CopyValue(argVal);
|
|
|
|
if ((argVal.IsReadOnly()) || (!argVal.IsAddr()))
|
|
{
|
|
if (!skipMutCheck)
|
|
{
|
|
String err = StrFormat("call mutating method '%s' on", mModule->MethodToString(methodInstance).c_str());
|
|
CheckModifyResult(argVal, targetSrc, err.c_str());
|
|
}
|
|
|
|
if (argVal.IsSplat())
|
|
{
|
|
argVal = mModule->AggregateSplat(argVal);
|
|
argVal = mModule->MakeAddressable(argVal);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (mResultLocalVar != NULL)
|
|
{
|
|
// When we are capturing, we need to note that we require capturing by reference here
|
|
mResultLocalVar->mWrittenToId = mModule->mCurMethodState->GetRootMethodState()->mCurAccessId++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (argVal.mType->IsValuelessType())
|
|
return;
|
|
|
|
auto owner = methodInstance->GetOwner();
|
|
|
|
bool allowThisSplatting;
|
|
if (mModule->mIsComptimeModule)
|
|
allowThisSplatting = owner->IsTypedPrimitive() || owner->IsValuelessType();
|
|
else
|
|
allowThisSplatting = methodInstance->AllowsSplatting(-1);
|
|
|
|
if ((!allowThisSplatting) || (methodDef->mIsMutating))
|
|
{
|
|
argVal = mModule->MakeAddressable(argVal);
|
|
irArgs.push_back(argVal.mValue);
|
|
return;
|
|
}
|
|
|
|
auto thisType = methodInstance->GetThisType();
|
|
PushArg(argVal, irArgs, !methodInstance->AllowsSplatting(-1), thisType->IsPointer());
|
|
}
|
|
|
|
void BfExprEvaluator::FinishDeferredEvals(SizedArrayImpl<BfResolvedArg>& argValues)
|
|
{
|
|
for (int argIdx = 0; argIdx < argValues.size(); argIdx++)
|
|
{
|
|
auto& argValue = argValues[argIdx].mTypedValue;
|
|
if ((argValues[argIdx].mArgFlags & (BfArgFlag_DelegateBindAttempt | BfArgFlag_LambdaBindAttempt | BfArgFlag_UnqualifiedDotAttempt | BfArgFlag_DeferredEval)) != 0)
|
|
{
|
|
if (!argValue)
|
|
{
|
|
auto expr = BfNodeDynCast<BfExpression>(argValues[argIdx].mExpression);
|
|
if (expr != NULL)
|
|
argValue = mModule->CreateValueFromExpression(expr, argValues[argIdx].mExpectedType, BfEvalExprFlags_NoCast);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::FinishDeferredEvals(BfResolvedArgs& argValues)
|
|
{
|
|
for (int argIdx = 0; argIdx < (int)argValues.mResolvedArgs.size(); argIdx++)
|
|
{
|
|
auto& argValue = argValues.mResolvedArgs[argIdx].mTypedValue;
|
|
if ((argValues.mResolvedArgs[argIdx].mArgFlags & (BfArgFlag_VariableDeclaration)) != 0)
|
|
{
|
|
auto variableDeclaration = BfNodeDynCast<BfVariableDeclaration>((*argValues.mArguments)[argIdx]);
|
|
if ((variableDeclaration != NULL) && (variableDeclaration->mNameNode != NULL))
|
|
{
|
|
if (mModule->mCurMethodState == NULL)
|
|
{
|
|
mModule->Fail("Illegal local variable", variableDeclaration);
|
|
}
|
|
else
|
|
{
|
|
BfLocalVariable* localVar = new BfLocalVariable();
|
|
localVar->mName = variableDeclaration->mNameNode->ToString();
|
|
localVar->mResolvedType = mModule->GetPrimitiveType(BfTypeCode_Var);
|
|
localVar->mAddr = mModule->mBfIRBuilder->GetFakeVal();
|
|
localVar->mReadFromId = 0;
|
|
localVar->mWrittenToId = 0;
|
|
localVar->mAssignedKind = BfLocalVarAssignKind_Unconditional;
|
|
mModule->CheckVariableDef(localVar);
|
|
localVar->Init();
|
|
mModule->AddLocalVariableDef(localVar, true);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
FinishDeferredEvals(argValues.mResolvedArgs);
|
|
}
|
|
|
|
void BfExprEvaluator::AddCallDependencies(BfMethodInstance* methodInstance)
|
|
{
|
|
if (methodInstance->mReturnType != NULL)
|
|
mModule->AddDependency(methodInstance->mReturnType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_LocalUsage);
|
|
for (int paramIdx = 0; paramIdx < methodInstance->GetParamCount(); paramIdx++)
|
|
{
|
|
auto paramType = methodInstance->GetParamType(paramIdx);
|
|
mModule->AddDependency(paramType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_LocalUsage);
|
|
}
|
|
if (methodInstance->mMethodInfoEx != NULL)
|
|
{
|
|
for (auto genericArg : methodInstance->mMethodInfoEx->mMethodGenericArguments)
|
|
{
|
|
if (genericArg->IsWrappableType())
|
|
genericArg = mModule->GetWrappedStructType(genericArg);
|
|
if (genericArg != NULL)
|
|
mModule->AddDependency(genericArg, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_LocalUsage);
|
|
}
|
|
}
|
|
}
|
|
|
|
BfTypedValue BfExprEvaluator::CreateCall(BfAstNode* targetSrc, const BfTypedValue& inTarget, const BfTypedValue& origTarget, BfMethodDef* methodDef, BfModuleMethodInstance moduleMethodInstance, BfCreateCallFlags callFlags, SizedArrayImpl<BfResolvedArg>& argValues, BfTypedValue* argCascade)
|
|
{
|
|
SetAndRestoreValue<BfEvalExprFlags> prevEvalExprFlag(mBfEvalExprFlags);
|
|
|
|
if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL) && (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mConstEvalAttributeTypeDef)))
|
|
{
|
|
mModule->mAttributeState->mUsed = true;
|
|
mBfEvalExprFlags = (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_Comptime);
|
|
}
|
|
else if ((moduleMethodInstance.mMethodInstance->mComptimeFlags & BfComptimeFlag_ConstEval) != 0)
|
|
{
|
|
mBfEvalExprFlags = (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_Comptime);
|
|
}
|
|
else if (((moduleMethodInstance.mMethodInstance->mComptimeFlags & BfComptimeFlag_Comptime) != 0) && (!mModule->mIsComptimeModule))
|
|
{
|
|
if ((mModule->mCurMethodInstance == NULL) || (mModule->mCurMethodInstance->mComptimeFlags == BfComptimeFlag_None))
|
|
mBfEvalExprFlags = (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_Comptime);
|
|
}
|
|
|
|
SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, mModule->mBfIRBuilder->mIgnoreWrites || IsConstEval());
|
|
|
|
if (((moduleMethodInstance.mMethodInstance->mComptimeFlags & BfComptimeFlag_OnlyFromComptime) != 0) &&
|
|
((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0) &&
|
|
((mModule->mCurMethodInstance == NULL) || (mModule->mCurMethodInstance->mComptimeFlags == BfComptimeFlag_None)) &&
|
|
(!mModule->mIsComptimeModule))
|
|
{
|
|
mModule->Fail(StrFormat("Method '%s' can only be invoked at comptime. Consider adding [Comptime] to the current method.", mModule->MethodToString(moduleMethodInstance.mMethodInstance).c_str()), targetSrc);
|
|
}
|
|
|
|
bool bypassVirtual = (callFlags & BfCreateCallFlags_BypassVirtual) != 0;
|
|
bool skipThis = (callFlags & BfCreateCallFlags_SkipThis) != 0;;
|
|
|
|
static int sCallIdx = 0;
|
|
if (!mModule->mCompiler->mIsResolveOnly)
|
|
sCallIdx++;
|
|
int callIdx = sCallIdx;
|
|
if (callIdx == 0x000015CB)
|
|
{
|
|
NOP;
|
|
}
|
|
|
|
// Temporarily disable so we don't capture calls in params
|
|
SetAndRestoreValue<BfFunctionBindResult*> prevBindResult(mFunctionBindResult, NULL);
|
|
SetAndRestoreValue<bool> prevAllowVariableDeclarations;
|
|
if (mModule->mCurMethodState != NULL)
|
|
prevAllowVariableDeclarations.Init(mModule->mCurMethodState->mCurScope->mAllowVariableDeclarations, false);
|
|
|
|
BfMethodInstance* methodInstance = moduleMethodInstance.mMethodInstance;
|
|
|
|
SizedArray<BfIRValue, 4> irArgs;
|
|
|
|
if ((methodDef->mIsAbstract) && (bypassVirtual))
|
|
{
|
|
mModule->Fail(StrFormat("Abstract base method '%s' cannot be invoked", mModule->MethodToString(methodInstance).c_str()), targetSrc);
|
|
}
|
|
|
|
bool isSkipCall = moduleMethodInstance.mMethodInstance->IsSkipCall(bypassVirtual);
|
|
BfType* returnType = methodInstance->mReturnType;
|
|
/*if (returnType->IsSelf())
|
|
{
|
|
returnType = methodInstance->GetOwner();
|
|
BF_ASSERT(returnType->IsInterface());
|
|
}*/
|
|
|
|
Array<BfTypedValue> argCascades;
|
|
BfTypedValue target = inTarget;
|
|
|
|
if (!skipThis)
|
|
{
|
|
if ((target) && (target.mType->IsFunction()) && (methodInstance->GetOwner() == target.mType))
|
|
{
|
|
CheckResultForReading(target);
|
|
target = mModule->LoadValue(target);
|
|
auto funcType = mModule->mBfIRBuilder->MapMethod(moduleMethodInstance.mMethodInstance);
|
|
auto funcPtrType = mModule->mBfIRBuilder->GetPointerTo(funcType);
|
|
moduleMethodInstance.mFunc = mModule->mBfIRBuilder->CreateIntToPtr(target.mValue, funcPtrType);
|
|
}
|
|
else if (!methodDef->mIsStatic)
|
|
{
|
|
if ((!target) && (prevBindResult.mPrevVal != NULL))
|
|
{
|
|
auto bindResult = prevBindResult.mPrevVal;
|
|
if (bindResult->mBindType != NULL)
|
|
{
|
|
// Allow binding a function to a 'this' type even if no target is specified
|
|
auto delegateInfo = bindResult->mBindType->GetDelegateInfo();
|
|
if (delegateInfo != NULL)
|
|
{
|
|
if (delegateInfo->mHasExplicitThis)
|
|
{
|
|
target = mModule->GetDefaultTypedValue(delegateInfo->mParams[0], false, BfDefaultValueKind_Addr);
|
|
bypassVirtual = true;
|
|
}
|
|
}
|
|
else if (bindResult->mBindType->IsFunction())
|
|
{
|
|
BfMethodInstance* invokeMethodInstance = mModule->GetRawMethodInstanceAtIdx(bindResult->mBindType->ToTypeInstance(), 0, "Invoke");
|
|
if (!invokeMethodInstance->mMethodDef->mIsStatic)
|
|
{
|
|
target = mModule->GetDefaultTypedValue(invokeMethodInstance->GetThisType(), false, BfDefaultValueKind_Addr);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!target)
|
|
{
|
|
FinishDeferredEvals(argValues);
|
|
auto error = mModule->Fail(StrFormat("An instance reference is required to %s the non-static method '%s'",
|
|
(prevBindResult.mPrevVal != NULL) ? "bind" : "invoke",
|
|
mModule->MethodToString(methodInstance).c_str()), targetSrc);
|
|
if ((error != NULL) && (methodInstance->mMethodDef->GetRefNode() != NULL))
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), methodInstance->mMethodDef->GetRefNode());
|
|
return mModule->GetDefaultTypedValue(returnType);
|
|
}
|
|
|
|
auto prevResult = mResult;
|
|
mResult = target;
|
|
CheckResultForReading(mResult);
|
|
mResult = prevResult;
|
|
|
|
if (methodDef->mMethodType != BfMethodType_Ctor)
|
|
{
|
|
bool doAccessCheck = true;
|
|
if (target.IsThis())
|
|
{
|
|
if (!mModule->mCurMethodState->mMayNeedThisAccessCheck)
|
|
doAccessCheck = false;
|
|
}
|
|
if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL) && (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mDisableObjectAccessChecksAttributeTypeDef)))
|
|
doAccessCheck = false;
|
|
if ((doAccessCheck) && (!isSkipCall) && (prevBindResult.mPrevVal == NULL))
|
|
mModule->EmitObjectAccessCheck(target);
|
|
}
|
|
|
|
if (((prevBindResult.mPrevVal == NULL) || (!prevBindResult.mPrevVal->mSkipThis)) &&
|
|
(!isSkipCall))
|
|
{
|
|
bool skipMutCheck = false;
|
|
if ((prevBindResult.mPrevVal != NULL) && (prevBindResult.mPrevVal->mSkipMutCheck))
|
|
{
|
|
// If we are binding a delegate, then we will end up making a copy of the target anyway
|
|
// so we don't need to do a mutability check
|
|
skipMutCheck = true;
|
|
}
|
|
|
|
if (methodDef->mMethodType == BfMethodType_Extension)
|
|
PushArg(target, irArgs);
|
|
else
|
|
PushThis(targetSrc, target, moduleMethodInstance.mMethodInstance, irArgs, skipMutCheck);
|
|
}
|
|
}
|
|
else if (methodDef->mMethodType == BfMethodType_Extension)
|
|
{
|
|
// Handled in args
|
|
}
|
|
else
|
|
{
|
|
if (prevBindResult.mPrevVal == NULL)
|
|
{
|
|
if ((mModule->mAttributeState == NULL) || (mModule->mAttributeState->mCustomAttributes == NULL) ||
|
|
(!mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mNoStaticCtorAttributeTypeDef)))
|
|
{
|
|
mModule->CheckStaticAccess(methodInstance->mMethodInstanceGroup->mOwner);
|
|
}
|
|
}
|
|
|
|
if (target)
|
|
{
|
|
FinishDeferredEvals(argValues);
|
|
mModule->Fail(StrFormat("Method '%s' cannot be accessed with an instance reference; qualify it with a type name instead",
|
|
mModule->MethodToString(methodInstance).c_str()), targetSrc);
|
|
return mModule->GetDefaultTypedValue(returnType);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isSkipCall)
|
|
{
|
|
CheckSkipCall(targetSrc, argValues);
|
|
FinishDeferredEvals(argValues);
|
|
mModule->EmitEnsureInstructionAt();
|
|
return mModule->GetDefaultTypedValue(returnType);
|
|
}
|
|
|
|
bool hasNamedArgs = false;
|
|
for (auto& arg : argValues)
|
|
if (arg.mNameNode != NULL)
|
|
hasNamedArgs = true;
|
|
if (hasNamedArgs)
|
|
{
|
|
methodDef->BuildParamNameMap();
|
|
|
|
BfIdentifierNode* outOfPlaceName = NULL;
|
|
int curParamIdx = 0;
|
|
|
|
SizedArrayImpl<BfResolvedArg> origArgValues = argValues;
|
|
argValues.Clear();
|
|
|
|
for (int argIdx = 0; argIdx < origArgValues.mSize; argIdx++)
|
|
{
|
|
int paramIdx = curParamIdx;
|
|
|
|
auto& argValue = origArgValues[argIdx];
|
|
if (argValue.mNameNode != NULL)
|
|
{
|
|
int namedParamIdx = -1;
|
|
if (methodDef->mParamNameMap->TryGetValue(argValue.mNameNode->ToStringView(), &namedParamIdx))
|
|
{
|
|
paramIdx = namedParamIdx;
|
|
}
|
|
else
|
|
{
|
|
if (mModule->PreFail())
|
|
{
|
|
mModule->Fail(StrFormat("The best overload for '%s' does not have a parameter named '%s'", methodInstance->mMethodDef->mName.c_str(),
|
|
argValue.mNameNode->ToString().c_str()), argValue.mNameNode);
|
|
}
|
|
}
|
|
|
|
if (paramIdx != curParamIdx)
|
|
outOfPlaceName = argValue.mNameNode;
|
|
}
|
|
else if (outOfPlaceName != NULL)
|
|
{
|
|
if (mModule->PreFail())
|
|
mModule->Fail(StrFormat("Named argument '%s' is used out-of-position but is followed by an unnamed argument", outOfPlaceName->ToString().c_str()), outOfPlaceName);
|
|
outOfPlaceName = NULL;
|
|
}
|
|
|
|
if ((paramIdx < methodInstance->GetParamCount()) && (paramIdx != argIdx))
|
|
{
|
|
if (methodInstance->GetParamKind(paramIdx) == BfParamKind_Normal)
|
|
{
|
|
auto wantType = methodInstance->GetParamType(paramIdx);
|
|
auto resolvedValue = ResolveArgValue(argValue, wantType);
|
|
if (resolvedValue)
|
|
{
|
|
argValue.mTypedValue = resolvedValue;
|
|
argValue.mArgFlags = (BfArgFlags)(argValue.mArgFlags | BfArgFlag_Finalized);
|
|
}
|
|
}
|
|
}
|
|
|
|
while (paramIdx >= argValues.mSize)
|
|
argValues.Add(BfResolvedArg());
|
|
if (argValues[paramIdx].mExpression != NULL)
|
|
{
|
|
if (argValue.mNameNode != NULL)
|
|
{
|
|
if (mModule->PreFail())
|
|
mModule->Fail(StrFormat("Named argument '%s' cannot be specified multiple times", argValue.mNameNode->ToString().c_str()), argValue.mNameNode);
|
|
}
|
|
}
|
|
argValues[paramIdx] = argValue;
|
|
|
|
curParamIdx++;
|
|
}
|
|
}
|
|
|
|
int argIdx = 0;
|
|
int paramIdx = 0;
|
|
|
|
BfIRValue expandedParamAlloca;
|
|
BfTypedValue expandedParamsArray;
|
|
BfType* expandedParamsElementType = NULL;
|
|
int extendedParamIdx = 0;
|
|
|
|
AddCallDependencies(methodInstance);
|
|
|
|
bool wasCapturingMatchInfo = false;
|
|
auto autoComplete = GetAutoComplete();
|
|
if (autoComplete != NULL)
|
|
{
|
|
// Set to false to make sure we don't capture method match info from 'params' array creation
|
|
wasCapturingMatchInfo = autoComplete->mIsCapturingMethodMatchInfo;
|
|
autoComplete->mIsCapturingMethodMatchInfo = false;
|
|
}
|
|
defer(
|
|
{
|
|
if (autoComplete != NULL)
|
|
autoComplete->mIsCapturingMethodMatchInfo = wasCapturingMatchInfo;
|
|
});
|
|
|
|
BfScopeData* boxScopeData = mDeferScopeAlloc;
|
|
if ((boxScopeData == NULL) && (mModule->mCurMethodState != NULL))
|
|
boxScopeData = mModule->mCurMethodState->mCurScope;
|
|
|
|
bool failed = false;
|
|
while (true)
|
|
{
|
|
int argExprIdx = argIdx;
|
|
if (methodDef->mMethodType == BfMethodType_Extension)
|
|
argExprIdx--;
|
|
|
|
bool isThis = (paramIdx == -1) || ((methodDef->mHasExplicitThis) && (paramIdx == 0));
|
|
bool isDirectPass = false;
|
|
|
|
if (paramIdx >= (int)methodInstance->GetParamCount())
|
|
{
|
|
if (methodInstance->IsVarArgs())
|
|
{
|
|
if (argExprIdx >= (int)argValues.size())
|
|
break;
|
|
|
|
BfTypedValue argValue = ResolveArgValue(argValues[argExprIdx], NULL);
|
|
if (argValue)
|
|
{
|
|
auto typeInst = argValue.mType->ToTypeInstance();
|
|
|
|
if (argValue.mType == mModule->GetPrimitiveType(BfTypeCode_Float))
|
|
argValue = mModule->Cast(argValues[argExprIdx].mExpression, argValue, mModule->GetPrimitiveType(BfTypeCode_Double));
|
|
|
|
if ((typeInst != NULL) && (typeInst->IsInstanceOf(mModule->mCompiler->mStringTypeDef)))
|
|
{
|
|
BfType* charType = mModule->GetPrimitiveType(BfTypeCode_Char8);
|
|
BfType* charPtrType = mModule->CreatePointerType(charType);
|
|
argValue = mModule->Cast(argValues[argExprIdx].mExpression, argValue, charPtrType);
|
|
}
|
|
PushArg(argValue, irArgs, true, false);
|
|
}
|
|
argIdx++;
|
|
continue;
|
|
}
|
|
|
|
if (argExprIdx < (int)argValues.size())
|
|
{
|
|
if (mModule->PreFail())
|
|
{
|
|
BfAstNode* errorRef = argValues[argExprIdx].mExpression;
|
|
if (errorRef == NULL)
|
|
errorRef = targetSrc;
|
|
|
|
BfError* error;
|
|
if ((argValues[argExprIdx].mArgFlags & BfArgFlag_StringInterpolateArg) != 0)
|
|
{
|
|
int checkIdx = argExprIdx - 1;
|
|
while (checkIdx >= 0)
|
|
{
|
|
if ((argValues[checkIdx].mArgFlags & BfArgFlag_StringInterpolateFormat) != 0)
|
|
{
|
|
errorRef = argValues[checkIdx].mExpression;
|
|
break;
|
|
}
|
|
checkIdx--;
|
|
}
|
|
error = mModule->Fail("Expanded string interpolation generates too many arguments. If string allocation was intended then consider adding a specifier such as 'scope'.", errorRef);
|
|
}
|
|
else if ((prevBindResult.mPrevVal != NULL) && (prevBindResult.mPrevVal->mBindType != NULL))
|
|
error = mModule->Fail(StrFormat("Method '%s' has too few parameters to bind to '%s'.", mModule->MethodToString(methodInstance).c_str(), mModule->TypeToString(prevBindResult.mPrevVal->mBindType).c_str()), errorRef);
|
|
else
|
|
error = mModule->Fail(StrFormat("Too many arguments, expected %d fewer.", (int)argValues.size() - argExprIdx), errorRef);
|
|
if ((error != NULL) && (methodInstance->mMethodDef->mMethodDeclaration != NULL))
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), methodInstance->mMethodDef->GetRefNode());
|
|
}
|
|
failed = true;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
// Only create actual params if we're not just trying to bind the function
|
|
if ((prevBindResult.mPrevVal != NULL) && (!prevBindResult.mPrevVal->mWantsArgs))
|
|
break;
|
|
|
|
BfType* wantType = NULL;
|
|
bool wantsSplat = false;
|
|
if (expandedParamsElementType != NULL)
|
|
{
|
|
wantType = expandedParamsElementType;
|
|
}
|
|
else
|
|
{
|
|
wantsSplat = methodInstance->GetParamIsSplat(paramIdx) && (!IsComptime());
|
|
if (methodInstance->IsImplicitCapture(paramIdx))
|
|
{
|
|
auto paramType = methodInstance->GetParamType(paramIdx);
|
|
if (mModule->mCurMethodInstance->IsMixin())
|
|
{
|
|
// Don't bother, also- can fail on captures
|
|
}
|
|
else
|
|
{
|
|
// static int captureIdx = 0;
|
|
// captureIdx++;
|
|
// int curCaptureIdx = captureIdx;
|
|
//
|
|
// if (curCaptureIdx == 0x91)
|
|
// {
|
|
// NOP;
|
|
// }
|
|
|
|
auto lookupVal = DoImplicitArgCapture(targetSrc, methodInstance, paramIdx, failed, BfImplicitParamKind_General, origTarget);
|
|
if (lookupVal)
|
|
{
|
|
if (wantsSplat)
|
|
{
|
|
SplatArgs(lookupVal, irArgs);
|
|
}
|
|
else if (paramType->IsRef())
|
|
{
|
|
irArgs.push_back(lookupVal.mValue);
|
|
}
|
|
else
|
|
PushArg(lookupVal, irArgs, true);
|
|
}
|
|
}
|
|
paramIdx++;
|
|
continue;
|
|
}
|
|
|
|
wantType = methodInstance->GetParamType(paramIdx);
|
|
if (!mModule->mCurTypeInstance->IsInterface())
|
|
{
|
|
// Resolve `Self` types
|
|
if (wantType->IsUnspecializedTypeVariation())
|
|
{
|
|
wantType = mModule->ResolveSelfType(wantType, methodInstance->GetOwner());
|
|
}
|
|
}
|
|
|
|
if (IsVar(wantType))
|
|
{
|
|
// Case happens when we can't find the argument type
|
|
failed = true;
|
|
}
|
|
BfParamKind paramKind = methodInstance->GetParamKind(paramIdx);
|
|
|
|
if (paramKind == BfParamKind_Params)
|
|
{
|
|
//TODO: Check to see if it's a direct array pass
|
|
|
|
if (argIdx < (int)argValues.size())
|
|
{
|
|
auto argValue = argValues[argIdx].mTypedValue;
|
|
if ((argValue.IsParams()) /*&& (mModule->CanCast(argValue, wantType))*/)
|
|
isDirectPass = true;
|
|
}
|
|
|
|
if (!isDirectPass)
|
|
{
|
|
int numElements = BF_MAX((int)argValues.size() - argIdx, 0);
|
|
if (methodDef->mMethodType == BfMethodType_Extension)
|
|
numElements++;
|
|
|
|
if (IsConstEval())
|
|
{
|
|
if ((wantType->IsArray()) || (wantType->IsInstanceOf(mModule->mCompiler->mSpanTypeDef)))
|
|
{
|
|
auto genericTypeInst = wantType->ToGenericTypeInstance();
|
|
expandedParamsElementType = genericTypeInst->mGenericTypeInfo->mTypeGenericArguments[0];
|
|
|
|
auto irSizedArrayType = mModule->mBfIRBuilder->GetSizedArrayType(mModule->mBfIRBuilder->MapType(expandedParamsElementType), numElements);
|
|
|
|
Array<BfIRValue> values;
|
|
for (int i = 0; i < numElements; i++)
|
|
values.Add(mModule->mBfIRBuilder->GetFakeVal());
|
|
expandedParamsArray = BfTypedValue(mModule->mBfIRBuilder->CreateConstAgg(irSizedArrayType, values), wantType);
|
|
|
|
PushArg(expandedParamsArray, irArgs);
|
|
continue;
|
|
}
|
|
}
|
|
else if (wantType->IsArray())
|
|
{
|
|
BfArrayType* arrayType = (BfArrayType*)wantType;
|
|
mModule->PopulateType(arrayType, BfPopulateType_DataAndMethods);
|
|
expandedParamsElementType = arrayType->mGenericTypeInfo->mTypeGenericArguments[0];
|
|
|
|
int arrayClassSize = arrayType->mInstSize - expandedParamsElementType->mSize;
|
|
|
|
expandedParamsArray = BfTypedValue(mModule->AllocFromType(arrayType->GetUnderlyingType(), boxScopeData, BfIRValue(), mModule->GetConstValue(numElements), 1, BfAllocFlags_None),
|
|
arrayType, false);
|
|
|
|
BfResolvedArgs resolvedArgs;
|
|
MatchConstructor(targetSrc, NULL, expandedParamsArray, arrayType, resolvedArgs, false, BfMethodGenericArguments(), false);
|
|
|
|
//TODO: Assert 'length' var is at slot 1
|
|
auto arrayBits = mModule->mBfIRBuilder->CreateBitCast(expandedParamsArray.mValue, mModule->mBfIRBuilder->MapType(arrayType->mBaseType));
|
|
int arrayLengthBitCount = arrayType->GetLengthBitCount();
|
|
if (arrayLengthBitCount == 0)
|
|
{
|
|
mModule->Fail("INTERNAL ERROR: Unable to find array 'length' field", targetSrc);
|
|
return BfTypedValue();
|
|
}
|
|
|
|
auto& fieldInstance = arrayType->mBaseType->mFieldInstances[0];
|
|
auto addr = mModule->mBfIRBuilder->CreateInBoundsGEP(arrayBits, 0, fieldInstance.mDataIdx);
|
|
if (arrayLengthBitCount == 64)
|
|
mModule->mBfIRBuilder->CreateAlignedStore(mModule->GetConstValue64(numElements), addr, 8);
|
|
else
|
|
mModule->mBfIRBuilder->CreateAlignedStore(mModule->GetConstValue32(numElements), addr, 4);
|
|
|
|
PushArg(expandedParamsArray, irArgs);
|
|
continue;
|
|
}
|
|
else if (wantType->IsInstanceOf(mModule->mCompiler->mSpanTypeDef))
|
|
{
|
|
mModule->PopulateType(wantType);
|
|
mModule->mBfIRBuilder->PopulateType(wantType);
|
|
auto genericTypeInst = wantType->ToGenericTypeInstance();
|
|
expandedParamsElementType = genericTypeInst->mGenericTypeInfo->mTypeGenericArguments[0];
|
|
|
|
expandedParamsArray = BfTypedValue(mModule->CreateAlloca(wantType), wantType, true);
|
|
expandedParamAlloca = mModule->CreateAlloca(genericTypeInst->mGenericTypeInfo->mTypeGenericArguments[0], true, NULL, mModule->GetConstValue(numElements));
|
|
mModule->mBfIRBuilder->CreateAlignedStore(expandedParamAlloca, mModule->mBfIRBuilder->CreateInBoundsGEP(expandedParamsArray.mValue, 0, 1), mModule->mSystem->mPtrSize);
|
|
mModule->mBfIRBuilder->CreateAlignedStore(mModule->GetConstValue(numElements), mModule->mBfIRBuilder->CreateInBoundsGEP(expandedParamsArray.mValue, 0, 2), mModule->mSystem->mPtrSize);
|
|
|
|
PushArg(expandedParamsArray, irArgs, !wantsSplat);
|
|
continue;
|
|
}
|
|
else if (wantType->IsSizedArray())
|
|
{
|
|
mModule->PopulateType(wantType);
|
|
mModule->mBfIRBuilder->PopulateType(wantType);
|
|
BfSizedArrayType* sizedArrayType = (BfSizedArrayType*)wantType;
|
|
expandedParamsElementType = wantType->GetUnderlyingType();
|
|
|
|
if (numElements != sizedArrayType->mElementCount)
|
|
{
|
|
BfAstNode* refNode = targetSrc;
|
|
if (argExprIdx < (int)argValues.size())
|
|
refNode = argValues[argExprIdx].mExpression;
|
|
mModule->Fail(StrFormat("Incorrect number of arguments to match params type '%s'", mModule->TypeToString(wantType).c_str()), refNode);
|
|
}
|
|
|
|
expandedParamsArray = BfTypedValue(mModule->CreateAlloca(wantType), wantType, true);
|
|
expandedParamAlloca = mModule->mBfIRBuilder->CreateBitCast(expandedParamsArray.mValue, mModule->mBfIRBuilder->GetPointerTo(mModule->mBfIRBuilder->MapType(expandedParamsElementType)));
|
|
PushArg(expandedParamsArray, irArgs, !wantsSplat);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
BfAstNode* arg = NULL;
|
|
bool hadMissingArg = false;
|
|
if (argExprIdx == -1)
|
|
arg = targetSrc;
|
|
if (argExprIdx >= 0)
|
|
{
|
|
if (argExprIdx < (int)argValues.size())
|
|
{
|
|
arg = argValues[argExprIdx].mExpression;
|
|
if (((argValues[argExprIdx].mArgFlags & BfArgFlag_StringInterpolateArg) != 0) && (!expandedParamsArray))
|
|
{
|
|
BfAstNode* errorRef = arg;
|
|
int checkIdx = argExprIdx - 1;
|
|
while (checkIdx >= 0)
|
|
{
|
|
if ((argValues[checkIdx].mArgFlags & BfArgFlag_StringInterpolateFormat) != 0)
|
|
{
|
|
errorRef = argValues[checkIdx].mExpression;
|
|
break;
|
|
}
|
|
checkIdx--;
|
|
}
|
|
mModule->Warn(BfWarning_BF4205_StringInterpolationParam, "Expanded string interpolation argument not used as 'params'. If string allocation was intended then consider adding a specifier such as 'scope'.", errorRef);
|
|
}
|
|
|
|
// if ((arg == NULL) && (argValues[argExprIdx].mExpression != NULL))
|
|
// hadMissingArg = true;
|
|
|
|
if ((arg == NULL) && (!argValues[argExprIdx].mTypedValue))
|
|
hadMissingArg = true;
|
|
}
|
|
else
|
|
hadMissingArg = true;
|
|
}
|
|
|
|
BfTypedValue argValue;
|
|
|
|
if (hadMissingArg)
|
|
{
|
|
if (expandedParamsArray)
|
|
break;
|
|
|
|
if ((argIdx >= (int) methodInstance->mDefaultValues.size()) || (!methodInstance->mDefaultValues[argIdx]))
|
|
{
|
|
BfAstNode* refNode = targetSrc;
|
|
if (argValues.size() > 0)
|
|
{
|
|
auto checkExpr = argValues.back().mExpression;
|
|
if (checkExpr != NULL)
|
|
refNode = checkExpr;
|
|
}
|
|
|
|
BfAstNode* prevNode = NULL;
|
|
if (targetSrc == NULL)
|
|
{
|
|
// We must be in BfModule::EmitCtorBody
|
|
}
|
|
else if (auto tupleExpr = BfNodeDynCastExact<BfTupleExpression>(targetSrc))
|
|
{
|
|
if (tupleExpr->mCommas.size() > 0)
|
|
prevNode = tupleExpr->mCommas.back();
|
|
else
|
|
prevNode = tupleExpr->mOpenParen;
|
|
if (tupleExpr->mCloseParen != NULL)
|
|
refNode = tupleExpr->mCloseParen;
|
|
}
|
|
else if (mModule->mParentNodeEntry != NULL)
|
|
{
|
|
if (auto objectCreateExpr = BfNodeDynCast<BfObjectCreateExpression>(mModule->mParentNodeEntry->mNode))
|
|
{
|
|
if (objectCreateExpr->mCommas.size() > 0)
|
|
prevNode = objectCreateExpr->mCommas.back();
|
|
else
|
|
prevNode = objectCreateExpr->mOpenToken;
|
|
if (objectCreateExpr->mCloseToken != NULL)
|
|
refNode = objectCreateExpr->mCloseToken;
|
|
|
|
if (auto newNode = BfNodeDynCast<BfNewNode>(objectCreateExpr->mNewNode))
|
|
{
|
|
if (newNode->mAllocNode == targetSrc)
|
|
refNode = targetSrc;
|
|
}
|
|
}
|
|
else if (auto invokeExpr = BfNodeDynCast<BfInvocationExpression>(mModule->mParentNodeEntry->mNode))
|
|
{
|
|
if (invokeExpr->mCommas.size() > 0)
|
|
prevNode = invokeExpr->mCommas.back();
|
|
else
|
|
prevNode = invokeExpr->mOpenParen;
|
|
if (invokeExpr->mCloseParen != NULL)
|
|
refNode = invokeExpr->mCloseParen;
|
|
}
|
|
}
|
|
|
|
if (refNode == NULL)
|
|
refNode = methodInstance->GetOwner()->mTypeDef->GetRefNode();
|
|
|
|
if ((autoComplete != NULL) && (prevNode != NULL))
|
|
autoComplete->CheckEmptyStart(prevNode, wantType);
|
|
|
|
BfError* error = NULL;
|
|
|
|
if (mModule->mParentNodeEntry != NULL)
|
|
{
|
|
bool showCtorError = false;
|
|
|
|
if (auto ctorDeclaration = BfNodeDynCast<BfConstructorDeclaration>(mModule->mParentNodeEntry->mNode))
|
|
{
|
|
if (ctorDeclaration->mInitializer == NULL)
|
|
showCtorError = true;
|
|
}
|
|
|
|
if (auto typerDecl = BfNodeDynCast<BfTypeDeclaration>(mModule->mParentNodeEntry->mNode))
|
|
showCtorError = true;
|
|
|
|
if (showCtorError)
|
|
{
|
|
if (mModule->PreFail())
|
|
{
|
|
error = mModule->Fail(StrFormat("No parameterless constructor is available for base class. Consider calling base constructor '%s'.",
|
|
mModule->MethodToString(methodInstance).c_str()), refNode);
|
|
}
|
|
|
|
auto srcNode = mModule->mCurMethodInstance->mMethodDef->GetRefNode();
|
|
if ((autoComplete != NULL) && (autoComplete->CheckFixit(srcNode)))
|
|
autoComplete->FixitAddConstructor(mModule->mCurTypeInstance);
|
|
}
|
|
}
|
|
|
|
if (mModule->PreFail())
|
|
{
|
|
if (error == NULL)
|
|
{
|
|
if (hasNamedArgs)
|
|
error = mModule->Fail(StrFormat("There is no argument given that corresponds to the required formal parameter '%s' of '%s'.",
|
|
methodInstance->GetParamName(paramIdx).c_str(), mModule->MethodToString(methodInstance).c_str()), refNode);
|
|
else
|
|
error = mModule->Fail(StrFormat("Not enough parameters specified, expected %d more.", methodInstance->GetParamCount() - paramIdx), refNode);
|
|
}
|
|
if ((error != NULL) && (methodInstance->mMethodDef->mMethodDeclaration != NULL))
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), methodInstance->mMethodDef->GetRefNode());
|
|
}
|
|
failed = true;
|
|
break;
|
|
}
|
|
|
|
auto foreignDefaultVal = methodInstance->mDefaultValues[argIdx];
|
|
auto foreignConst = methodInstance->GetOwner()->mConstHolder->GetConstant(foreignDefaultVal.mValue);
|
|
|
|
if (foreignConst->mConstType == BfConstType_AggZero)
|
|
{
|
|
// Allow this
|
|
}
|
|
else if (foreignConst->mTypeCode == BfTypeCode_NullPtr)
|
|
{
|
|
if (wantType->IsNullable())
|
|
{
|
|
argValue = mModule->GetDefaultTypedValue(wantType, false, BfDefaultValueKind_Addr);
|
|
}
|
|
}
|
|
else if (foreignConst->mConstType == BfConstType_GlobalVar)
|
|
{
|
|
auto globalVar = (BfGlobalVar*)foreignConst;
|
|
if (globalVar->mName[0] == '#')
|
|
{
|
|
if (strcmp(globalVar->mName, "#CallerLineNum") == 0)
|
|
{
|
|
argValue = BfTypedValue(mModule->GetConstValue(mModule->mCurFilePosition.mCurLine + 1), mModule->GetPrimitiveType(BfTypeCode_Int32));
|
|
}
|
|
else if (strcmp(globalVar->mName, "#CallerFilePath") == 0)
|
|
{
|
|
String filePath = "";
|
|
if (mModule->mCurFilePosition.mFileInstance != NULL)
|
|
filePath = mModule->mCurFilePosition.mFileInstance->mParser->mFileName;
|
|
argValue = BfTypedValue(mModule->GetStringObjectValue(filePath),
|
|
mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
|
|
}
|
|
else if (strcmp(globalVar->mName, "#CallerFileName") == 0)
|
|
{
|
|
String filePath = "";
|
|
if (mModule->mCurFilePosition.mFileInstance != NULL)
|
|
filePath = mModule->mCurFilePosition.mFileInstance->mParser->mFileName;
|
|
argValue = BfTypedValue(mModule->GetStringObjectValue(GetFileName(filePath)),
|
|
mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
|
|
}
|
|
else if (strcmp(globalVar->mName, "#CallerFileDir") == 0)
|
|
{
|
|
String filePath = "";
|
|
if (mModule->mCurFilePosition.mFileInstance != NULL)
|
|
filePath = mModule->mCurFilePosition.mFileInstance->mParser->mFileName;
|
|
argValue = BfTypedValue(mModule->GetStringObjectValue(GetFileDir(filePath)),
|
|
mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
|
|
}
|
|
else if (strcmp(globalVar->mName, "#CallerTypeName") == 0)
|
|
{
|
|
String typeName = "";
|
|
if (mModule->mCurTypeInstance != NULL)
|
|
typeName = mModule->TypeToString(mModule->mCurTypeInstance);
|
|
argValue = BfTypedValue(mModule->GetStringObjectValue(typeName),
|
|
mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
|
|
}
|
|
else if (strcmp(globalVar->mName, "#CallerType") == 0)
|
|
{
|
|
auto typeType = mModule->ResolveTypeDef(mModule->mCompiler->mTypeTypeDef);
|
|
BfType* type = mModule->mCurTypeInstance;
|
|
if (type != NULL)
|
|
{
|
|
mModule->AddDependency(type, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_ExprTypeReference);
|
|
argValue = BfTypedValue(mModule->CreateTypeDataRef(type), typeType);
|
|
}
|
|
}
|
|
else if (strcmp(globalVar->mName, "#CallerMemberName") == 0)
|
|
{
|
|
String memberName = "";
|
|
if (mModule->mCurMethodInstance != NULL)
|
|
memberName = mModule->MethodToString(mModule->mCurMethodInstance);
|
|
argValue = BfTypedValue(mModule->GetStringObjectValue(memberName),
|
|
mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
|
|
}
|
|
else if (strcmp(globalVar->mName, "#CallerProject") == 0)
|
|
{
|
|
String projectName = "";
|
|
if (mModule->mCurMethodInstance != NULL)
|
|
projectName = mModule->mCurMethodInstance->mMethodDef->mDeclaringType->mProject->mName;
|
|
argValue = BfTypedValue(mModule->GetStringObjectValue(projectName),
|
|
mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
|
|
}
|
|
else if (strcmp(globalVar->mName, "#ProjectName") == 0)
|
|
{
|
|
String projectName = methodInstance->mMethodDef->mDeclaringType->mProject->mName;
|
|
argValue = BfTypedValue(mModule->GetStringObjectValue(projectName),
|
|
mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
|
|
}
|
|
else
|
|
{
|
|
argValue = mModule->GetCompilerFieldValue(globalVar->mName);
|
|
}
|
|
}
|
|
}
|
|
else if (foreignConst->mConstType == BfConstType_GEP32_2)
|
|
{
|
|
auto constGep32_2 = (BfConstantGEP32_2*)foreignConst;
|
|
auto gepTarget = methodInstance->GetOwner()->mConstHolder->GetConstantById(constGep32_2->mTarget);
|
|
if (gepTarget->mConstType == BfConstType_GlobalVar)
|
|
{
|
|
auto globalVar = (BfGlobalVar*)gepTarget;
|
|
if (globalVar->mName[0] == '#')
|
|
{
|
|
if (strcmp(globalVar->mName, "#CallerExpression") == 0)
|
|
{
|
|
int exprIdx = constGep32_2->mIdx1;
|
|
if ((exprIdx >= 0) && (exprIdx < (int)argValues.size()))
|
|
{
|
|
auto expr = argValues[exprIdx].mExpression;
|
|
if (expr != NULL)
|
|
{
|
|
argValue = BfTypedValue(mModule->GetStringObjectValue(expr->ToString()),
|
|
mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail("CallerExpression index out of bounds", targetSrc);
|
|
argValue = BfTypedValue(mModule->GetStringObjectValue(""),
|
|
mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!argValue)
|
|
{
|
|
argValue = mModule->GetTypedValueFromConstant(foreignConst, methodInstance->GetOwner()->mConstHolder, foreignDefaultVal.mType);
|
|
if (!argValue)
|
|
mModule->Fail("Default parameter value failed", targetSrc);
|
|
mModule->mBfIRBuilder->PopulateType(foreignDefaultVal.mType);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (argExprIdx == -1)
|
|
argValue = target;
|
|
else
|
|
argValue = argValues[argExprIdx].mTypedValue;
|
|
|
|
if ((argValue.IsParams()) && (!isDirectPass))
|
|
{
|
|
BfAstNode* refNode = arg;
|
|
if (auto unaryOperatorExpr = BfNodeDynCast<BfUnaryOperatorExpression>(refNode))
|
|
refNode = unaryOperatorExpr->mOpToken;
|
|
mModule->Warn(0, "Unused 'params' expression", refNode);
|
|
}
|
|
|
|
if (wantType->IsMethodRef())
|
|
{
|
|
auto expr = argValues[argExprIdx].mExpression;
|
|
if (expr != NULL)
|
|
SetMethodElementType(expr);
|
|
|
|
if (!argValue)
|
|
argValue = mModule->CreateValueFromExpression(BfNodeDynCast<BfExpression>(arg), wantType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast));
|
|
|
|
// Add any implicit captures now
|
|
auto methodRefType = (BfMethodRefType*)wantType;
|
|
BfMethodInstance* useMethodInstance = methodRefType->mMethodRef;
|
|
|
|
for (int dataIdx = 0; dataIdx < methodRefType->GetCaptureDataCount(); dataIdx++)
|
|
{
|
|
int paramIdx = methodRefType->GetParamIdxFromDataIdx(dataIdx);
|
|
auto lookupVal = DoImplicitArgCapture(arg, useMethodInstance, paramIdx, failed, BfImplicitParamKind_General, argValue);
|
|
if (lookupVal)
|
|
{
|
|
if (methodRefType->WantsDataPassedAsSplat(dataIdx))
|
|
SplatArgs(lookupVal, irArgs);
|
|
else
|
|
{
|
|
if (lookupVal.mType->IsComposite())
|
|
lookupVal = mModule->MakeAddressable(lookupVal, false);
|
|
irArgs.push_back(lookupVal.mValue);
|
|
}
|
|
}
|
|
}
|
|
|
|
paramIdx++;
|
|
argIdx++;
|
|
continue;
|
|
}
|
|
else if (argExprIdx >= 0)
|
|
{
|
|
BfParamKind paramKind = BfParamKind_Normal;
|
|
BfIdentifierNode* paramNameNode = NULL;
|
|
if (paramIdx < methodInstance->GetParamCount())
|
|
{
|
|
paramKind = methodInstance->GetParamKind(paramIdx);
|
|
paramNameNode = methodInstance->GetParamNameNode(paramIdx);
|
|
}
|
|
|
|
argValues[argExprIdx].mExpectedType = wantType;
|
|
argValue = ResolveArgValue(argValues[argExprIdx], wantType, NULL, paramKind, paramNameNode);
|
|
}
|
|
}
|
|
|
|
if (!argValue)
|
|
{
|
|
failed = true;
|
|
}
|
|
|
|
if ((arg != NULL) && (autoComplete != NULL) && (autoComplete->mResolveType == BfResolveType_GetResultString) && (autoComplete->IsAutocompleteNode(arg)))
|
|
{
|
|
if (!autoComplete->mResultString.Contains('\r'))
|
|
{
|
|
String str;
|
|
str += methodInstance->GetParamName(paramIdx);
|
|
str += " @ ";
|
|
bool isCtor = methodInstance->mMethodDef->mMethodType == BfMethodType_Ctor;
|
|
if (isCtor)
|
|
str += methodInstance->GetOwner()->mTypeDef->mName->ToString();
|
|
else
|
|
str += methodInstance->mMethodDef->mName;
|
|
str += "(";
|
|
for (int i = isCtor ? 1 : 0; i < methodInstance->GetParamCount(); i++)
|
|
{
|
|
if (i > (isCtor ? 1 : 0))
|
|
str += ",";
|
|
if (i == paramIdx)
|
|
{
|
|
if (methodInstance->GetParamKind(paramIdx) == BfParamKind_Params)
|
|
str += "params ";
|
|
str += mModule->TypeToString(methodInstance->GetParamType(paramIdx));
|
|
}
|
|
}
|
|
str += ")";
|
|
|
|
if (!autoComplete->mResultString.StartsWith(":"))
|
|
autoComplete->mResultString.Clear();
|
|
|
|
int crPos = (int)autoComplete->mResultString.IndexOf('\n');
|
|
if (crPos == -1)
|
|
crPos = autoComplete->mResultString.mLength;
|
|
int insertPos = BF_MAX(1, crPos);
|
|
|
|
if (autoComplete->mResultString.IsEmpty())
|
|
autoComplete->mResultString += ":";
|
|
if (insertPos > 1)
|
|
str.Insert(0, '\r');
|
|
autoComplete->mResultString.Insert(insertPos, str);
|
|
}
|
|
}
|
|
|
|
if (argValue)
|
|
{
|
|
if ((isThis) && (argValue.mType->IsRef()))
|
|
{
|
|
// Convert a 'ref this' to a 'this*'
|
|
argValue.mType = mModule->CreatePointerType(argValue.mType->GetUnderlyingType());
|
|
}
|
|
|
|
BfAstNode* refNode = arg;
|
|
if (refNode == NULL)
|
|
refNode = targetSrc;
|
|
|
|
if ((wantType->IsRef()) && (!argValue.mType->IsRef()) &&
|
|
(((callFlags & BfCreateCallFlags_AllowImplicitRef) != 0) || (wantType->IsIn())))
|
|
{
|
|
auto underlyingType = wantType->GetUnderlyingType();
|
|
if (mModule->mCurMethodState != NULL)
|
|
{
|
|
SetAndRestoreValue<BfScopeData*> prevScopeData(mModule->mCurMethodState->mOverrideScope, boxScopeData);
|
|
argValue = mModule->Cast(refNode, argValue, underlyingType);
|
|
}
|
|
else
|
|
argValue = mModule->Cast(refNode, argValue, underlyingType, ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0) ? BfCastFlags_WantsConst : BfCastFlags_None);
|
|
if (argValue)
|
|
argValue = mModule->ToRef(argValue, (BfRefType*)wantType);
|
|
}
|
|
else
|
|
{
|
|
if (mModule->mCurMethodState != NULL)
|
|
{
|
|
SetAndRestoreValue<BfScopeData*> prevScopeData(mModule->mCurMethodState->mOverrideScope, boxScopeData);
|
|
argValue = mModule->Cast(refNode, argValue, wantType, ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0) ? BfCastFlags_WantsConst : BfCastFlags_None);
|
|
}
|
|
else
|
|
argValue = mModule->Cast(refNode, argValue, wantType, ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0) ? BfCastFlags_WantsConst : BfCastFlags_None);
|
|
}
|
|
|
|
if (!argValue)
|
|
{
|
|
if ((argExprIdx < (int)argValues.size()) && ((argValues[argExprIdx].mArgFlags & BfArgFlag_StringInterpolateArg) != 0))
|
|
{
|
|
BfAstNode* errorRef = NULL;
|
|
int checkIdx = argExprIdx - 1;
|
|
while (checkIdx >= 0)
|
|
{
|
|
if ((argValues[checkIdx].mArgFlags & BfArgFlag_StringInterpolateFormat) != 0)
|
|
{
|
|
errorRef = argValues[checkIdx].mExpression;
|
|
break;
|
|
}
|
|
checkIdx--;
|
|
}
|
|
if (errorRef != NULL)
|
|
mModule->Warn(0, "If string allocation was intended then consider adding a specifier such as 'scope'.", errorRef);
|
|
}
|
|
|
|
failed = true;
|
|
}
|
|
else if ((wantType->IsComposite()) && (!expandedParamsArray))
|
|
{
|
|
if (methodInstance->mIsIntrinsic)
|
|
{
|
|
// Intrinsics can handle structs either by value or address
|
|
}
|
|
else
|
|
{
|
|
// We need to make a temp and get the addr of that
|
|
if ((!wantsSplat) && (!argValue.IsValuelessType()) && (!argValue.IsAddr()) && (!IsConstEval()))
|
|
{
|
|
argValue = mModule->MakeAddressable(argValue);
|
|
}
|
|
}
|
|
}
|
|
else if (!wantType->IsRef())
|
|
argValue = mModule->LoadValue(argValue);
|
|
}
|
|
|
|
if ((argExprIdx != -1) && (argExprIdx < (int)argValues.size()) && ((argValues[argExprIdx].mArgFlags & BfArgFlag_Cascade) != 0))
|
|
{
|
|
mUsedAsStatement = true;
|
|
if (argValues[argExprIdx].mUncastedTypedValue)
|
|
argCascades.Add(argValues[argExprIdx].mUncastedTypedValue);
|
|
else
|
|
argCascades.Add(argValue);
|
|
}
|
|
|
|
if (expandedParamsArray)
|
|
{
|
|
if (argValue)
|
|
{
|
|
if (argValue.mValue.IsFake())
|
|
{
|
|
if ((!mModule->IsInUnspecializedGeneric()) && (!mModule->mBfIRBuilder->mIgnoreWrites))
|
|
mModule->InternalError("Invalid expandedParamsArray value");
|
|
}
|
|
else if (IsConstEval())
|
|
{
|
|
auto constant = mModule->mBfIRBuilder->GetConstant(expandedParamsArray.mValue);
|
|
BF_ASSERT(constant->mConstType == BfConstType_Agg);
|
|
auto constAgg = (BfConstantAgg*)constant;
|
|
constAgg->mValues[extendedParamIdx] = argValue.mValue;
|
|
}
|
|
else if (expandedParamAlloca)
|
|
{
|
|
argValue = mModule->LoadOrAggregateValue(argValue);
|
|
auto addr = mModule->mBfIRBuilder->CreateInBoundsGEP(expandedParamAlloca, extendedParamIdx);
|
|
auto storeInst = mModule->mBfIRBuilder->CreateAlignedStore(argValue.mValue, addr, argValue.mType->mAlign);
|
|
}
|
|
else
|
|
{
|
|
auto firstElem = mModule->GetFieldByName(expandedParamsArray.mType->ToTypeInstance(), "mFirstElement");
|
|
if (firstElem != NULL)
|
|
{
|
|
argValue = mModule->LoadValue(argValue);
|
|
auto firstAddr = mModule->mBfIRBuilder->CreateInBoundsGEP(expandedParamsArray.mValue, 0, firstElem->mDataIdx);
|
|
auto indexedAddr = mModule->CreateIndexedValue(argValue.mType, firstAddr, extendedParamIdx);
|
|
if (argValue.IsSplat())
|
|
mModule->AggregateSplatIntoAddr(argValue, indexedAddr);
|
|
else
|
|
mModule->mBfIRBuilder->CreateAlignedStore(argValue.mValue, indexedAddr, argValue.mType->mAlign);
|
|
}
|
|
}
|
|
}
|
|
extendedParamIdx++;
|
|
}
|
|
else
|
|
{
|
|
if ((paramIdx == 0) && (methodInstance->GetParamName(paramIdx) == "this") && (wantType->IsPointer()))
|
|
{
|
|
auto underlyingType = wantType->GetUnderlyingType();
|
|
mModule->PopulateType(underlyingType, BfPopulateType_Data);
|
|
if ((underlyingType->IsValuelessType()) && (!underlyingType->IsVoid()))
|
|
{
|
|
// We don't actually pass a 'this' pointer for mut methods on valueless structs
|
|
argIdx++;
|
|
paramIdx++;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (argValue)
|
|
{
|
|
if (isThis)
|
|
PushThis(targetSrc, argValue, methodInstance, irArgs);
|
|
else if (wantsSplat)
|
|
SplatArgs(argValue, irArgs);
|
|
else
|
|
PushArg(argValue, irArgs, true, false, methodInstance->mIsIntrinsic, methodInstance->mCallingConvention != BfCallingConvention_Unspecified);
|
|
}
|
|
paramIdx++;
|
|
}
|
|
argIdx++;
|
|
}
|
|
|
|
if (failed)
|
|
{
|
|
// Process the other unused arguments
|
|
while (argIdx < argValues.size())
|
|
{
|
|
mModule->AssertErrorState();
|
|
auto argValue = argValues[argIdx].mTypedValue;
|
|
if ((argValues[argIdx].mArgFlags & (BfArgFlag_DelegateBindAttempt | BfArgFlag_LambdaBindAttempt | BfArgFlag_UnqualifiedDotAttempt | BfArgFlag_DeferredEval | BfArgFlag_VariableDeclaration | BfArgFlag_UninitializedExpr)) != 0)
|
|
{
|
|
if (!argValue)
|
|
{
|
|
auto expr = BfNodeDynCast<BfExpression>(argValues[argIdx].mExpression);
|
|
if (expr != NULL)
|
|
argValue = mModule->CreateValueFromExpression(expr);
|
|
}
|
|
}
|
|
argIdx++;
|
|
}
|
|
|
|
prevIgnoreWrites.Restore();
|
|
return mModule->GetDefaultTypedValue(returnType, false, BfDefaultValueKind_Addr);
|
|
}
|
|
|
|
prevBindResult.Restore();
|
|
|
|
if (!methodDef->mIsStatic)
|
|
{
|
|
bool ignoreVirtualError = (mModule->mBfIRBuilder->mIgnoreWrites) && (mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsForeignMethodDef);
|
|
|
|
if ((methodInstance->GetOwner()->IsInterface()) && (!target.mType->IsGenericParam()) && (!target.mType->IsConcreteInterfaceType()) &&
|
|
(!mModule->mCurTypeInstance->IsInterface()) && (!ignoreVirtualError))
|
|
{
|
|
if (methodInstance->mVirtualTableIdx == -1)
|
|
{
|
|
mModule->PopulateType(methodInstance->GetOwner(), BfPopulateType_DataAndMethods);
|
|
}
|
|
|
|
if (methodInstance->mVirtualTableIdx == -1)
|
|
{
|
|
if (methodInstance->mMethodDef->mIsConcrete)
|
|
{
|
|
mModule->Fail(StrFormat("The method '%s' cannot be invoked from an interface reference because its return value is declared as 'concrete'", mModule->MethodToString(methodInstance).c_str()), targetSrc);
|
|
}
|
|
else if (methodInstance->HasSelf())
|
|
{
|
|
mModule->Fail(StrFormat("The method '%s' cannot be invoked from an interface reference because it contains 'Self' type references", mModule->MethodToString(methodInstance).c_str()), targetSrc);
|
|
}
|
|
else
|
|
{
|
|
if ((bypassVirtual) && (mModule->mCurTypeInstance->IsInterface()))
|
|
{
|
|
// Allow a base call to be defined
|
|
}
|
|
else if ((methodInstance->IsSpecializedGenericMethod()) && (origTarget) && (!origTarget.mType->IsInterface()))
|
|
{
|
|
if (!mModule->mBfIRBuilder->mIgnoreWrites)
|
|
mModule->AssertErrorState();
|
|
}
|
|
else if ((!mModule->mCurMethodInstance->mIsUnspecialized))
|
|
{
|
|
// Compiler error?
|
|
|
|
String errorString = "Unable to dynamically dispatch '%s'";
|
|
if (methodInstance->IsSpecializedGenericMethod())
|
|
errorString = "Unable to dynamically dispatch '%s' because generic methods can only be directly dispatched";
|
|
if (methodInstance->mReturnType->IsConcreteInterfaceType())
|
|
errorString = "Unable to dynamically dispatch '%s' because the concrete return type is unknown";
|
|
|
|
mModule->Fail(StrFormat(errorString.c_str(), mModule->MethodToString(methodInstance).c_str()), targetSrc);
|
|
}
|
|
|
|
//BF_ASSERT(mModule->mCurMethodInstance->mIsUnspecialized);
|
|
}
|
|
|
|
if (mFunctionBindResult != NULL)
|
|
{
|
|
mFunctionBindResult->mMethodInstance = methodInstance;
|
|
mFunctionBindResult->mTarget = target;
|
|
mFunctionBindResult->mFunc = moduleMethodInstance.mFunc;
|
|
for (auto arg : irArgs)
|
|
mFunctionBindResult->mIRArgs.push_back(arg);
|
|
}
|
|
|
|
prevIgnoreWrites.Restore();
|
|
return mModule->GetDefaultTypedValue(returnType);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
//BF_ASSERT(!methodInstance->GetOwner()->IsInterface());
|
|
}
|
|
|
|
prevIgnoreWrites.Restore();
|
|
|
|
if (target.mType != NULL)
|
|
{
|
|
// When we call a method from a static ctor, that method could access static fields so we need to make sure
|
|
// the type has been initialized
|
|
auto targetTypeInst = target.mType->ToTypeInstance();
|
|
if (targetTypeInst != NULL)
|
|
{
|
|
if (prevBindResult.mPrevVal == NULL)
|
|
{
|
|
if ((mModule->mAttributeState == NULL) || (mModule->mAttributeState->mCustomAttributes == NULL) ||
|
|
(!mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mNoStaticCtorAttributeTypeDef)))
|
|
{
|
|
mModule->CheckStaticAccess(targetTypeInst);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (methodInstance->mReturnType == NULL)
|
|
{
|
|
mModule->AssertErrorState();
|
|
mModule->Fail("Circular reference in method instance", targetSrc);
|
|
return BfTypedValue();
|
|
}
|
|
|
|
BfCreateCallFlags physCallFlags = BfCreateCallFlags_None;
|
|
if ((origTarget.mType != NULL) && (origTarget.mType->IsGenericParam()))
|
|
physCallFlags = (BfCreateCallFlags)(physCallFlags | BfCreateCallFlags_GenericParamThis);
|
|
|
|
auto func = moduleMethodInstance.mFunc;
|
|
BfTypedValue callResult = CreateCall(targetSrc, methodInstance, func, bypassVirtual, irArgs, NULL, physCallFlags, origTarget.mType);
|
|
|
|
prevIgnoreWrites.Restore();
|
|
if ((methodInstance->mMethodDef->mIsNoReturn) && ((mBfEvalExprFlags & BfEvalExprFlags_IsExpressionBody) != 0) &&
|
|
(mExpectingType != NULL) && (callResult.mType != mExpectingType))
|
|
{
|
|
callResult = mModule->GetDefaultTypedValue(mExpectingType);
|
|
}
|
|
|
|
// This gets triggered for non-sret (ie: comptime) composite returns so they aren't considered readonly
|
|
if ((callResult.mKind == BfTypedValueKind_Value) && (!callResult.mValue.IsConst()) &&
|
|
(!callResult.mType->IsValuelessType()) && (callResult.mType->IsComposite()) && (!methodInstance->GetLoweredReturnType()))
|
|
{
|
|
bool makeAddressable = true;
|
|
auto typeInstance = callResult.mType->ToTypeInstance();
|
|
if ((typeInstance != NULL) && (typeInstance->mHasUnderlyingArray))
|
|
makeAddressable = false;
|
|
if (makeAddressable)
|
|
{
|
|
callResult = mModule->MakeAddressable(callResult, true);
|
|
}
|
|
}
|
|
|
|
if (argCascades.mSize == 1)
|
|
{
|
|
if (argCascade == NULL)
|
|
return argCascades[0];
|
|
*argCascade = argCascades[0];
|
|
}
|
|
if (argCascades.mSize > 1)
|
|
{
|
|
if (argCascade == NULL)
|
|
return mModule->CreateTuple(argCascades, {});
|
|
*argCascade = mModule->CreateTuple(argCascades, {});
|
|
}
|
|
|
|
return callResult;
|
|
}
|
|
|
|
BfTypedValue BfExprEvaluator::MatchConstructor(BfAstNode* targetSrc, BfMethodBoundExpression* methodBoundExpr, BfTypedValue target, BfTypeInstance* targetType, BfResolvedArgs& argValues, bool callCtorBodyOnly,
|
|
const BfMethodGenericArguments& methodGenericArguments, bool allowAppendAlloc, BfTypedValue* appendIndexValue)
|
|
{
|
|
// Temporarily disable so we don't capture calls in params
|
|
SetAndRestoreValue<BfFunctionBindResult*> prevBindResult(mFunctionBindResult, NULL);
|
|
|
|
static int sCtorCount = 0;
|
|
sCtorCount++;
|
|
|
|
BfMethodMatcher methodMatcher(targetSrc, mModule, "", argValues.mResolvedArgs, methodGenericArguments);
|
|
methodMatcher.mBfEvalExprFlags = mBfEvalExprFlags;
|
|
|
|
BfTypeVector typeGenericArguments;
|
|
|
|
auto curTypeInst = targetType;
|
|
auto curTypeDef = targetType->mTypeDef;
|
|
|
|
BfProtectionCheckFlags protectionCheckFlags = BfProtectionCheckFlag_None;
|
|
|
|
auto activeTypeDef = mModule->GetActiveTypeDef();
|
|
auto visibleProjectSet = mModule->GetVisibleProjectSet();
|
|
bool isFailurePass = false;
|
|
for (int pass = 0; pass < 2; pass++)
|
|
{
|
|
isFailurePass = pass == 1;
|
|
|
|
curTypeDef->PopulateMemberSets();
|
|
BfMethodDef* nextMethodDef = NULL;
|
|
BfMemberSetEntry* entry;
|
|
if (curTypeDef->mMethodSet.TryGetWith(String("__BfCtor"), &entry))
|
|
nextMethodDef = (BfMethodDef*)entry->mMemberDef;
|
|
while (nextMethodDef != NULL)
|
|
{
|
|
auto checkMethod = nextMethodDef;
|
|
nextMethodDef = nextMethodDef->mNextWithSameName;
|
|
|
|
if ((isFailurePass) && (checkMethod->mMethodDeclaration == NULL))
|
|
continue; // Don't match private default ctor if there's a user-defined one
|
|
|
|
if (checkMethod->mIsStatic)
|
|
continue;
|
|
|
|
if ((checkMethod->mDeclaringType->IsExtension()) && (mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL) &&
|
|
(mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mNoExtensionAttributeTypeDef)))
|
|
{
|
|
mModule->mAttributeState->mUsed = true;
|
|
continue;
|
|
}
|
|
|
|
if (!mModule->IsInSpecializedSection())
|
|
{
|
|
if ((!curTypeInst->IsTypeMemberIncluded(checkMethod->mDeclaringType, activeTypeDef, mModule)) ||
|
|
(!curTypeInst->IsTypeMemberAccessible(checkMethod->mDeclaringType, visibleProjectSet)))
|
|
continue;
|
|
}
|
|
|
|
auto checkProt = checkMethod->mProtection;
|
|
|
|
if (!isFailurePass)
|
|
{
|
|
if (callCtorBodyOnly)
|
|
{
|
|
if (curTypeDef != mModule->mCurTypeInstance->mTypeDef)
|
|
{
|
|
// We're calling the base class's ctor from a derived class
|
|
if (checkProt <= BfProtection_Private)
|
|
continue;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ((checkProt == BfProtection_Protected) || (checkProt == BfProtection_ProtectedInternal)) // Treat protected constructors as private
|
|
checkProt = BfProtection_Private;
|
|
if (!mModule->CheckProtection(protectionCheckFlags, curTypeInst, checkMethod->mDeclaringType->mProject, checkProt, curTypeInst))
|
|
continue;
|
|
}
|
|
}
|
|
|
|
methodMatcher.CheckMethod(NULL, curTypeInst, checkMethod, isFailurePass);
|
|
}
|
|
|
|
if ((methodMatcher.mBestMethodDef != NULL) || (methodMatcher.mBackupMethodDef != NULL))
|
|
break;
|
|
}
|
|
|
|
if (methodMatcher.mBestMethodDef == NULL)
|
|
methodMatcher.mBestMethodDef = methodMatcher.mBackupMethodDef;
|
|
|
|
if (methodMatcher.mBestMethodDef == NULL)
|
|
{
|
|
mModule->Fail("No constructor available", targetSrc);
|
|
return BfTypedValue();
|
|
}
|
|
|
|
auto methodDef = methodMatcher.mBestMethodDef;
|
|
if (mModule->mCompiler->mResolvePassData != NULL)
|
|
mModule->mCompiler->mResolvePassData->HandleMethodReference(targetSrc, curTypeInst->mTypeDef->GetDefinition(), methodDef);
|
|
|
|
// There should always be a constructor
|
|
BF_ASSERT(methodMatcher.mBestMethodDef != NULL);
|
|
|
|
//auto moduleMethodInstance = mModule->GetMethodInstance(methodMatcher.mBestMethodTypeInstance, methodMatcher.mBestMethodDef, methodMatcher.mBestMethodGenericArguments);
|
|
|
|
auto moduleMethodInstance = GetSelectedMethod(methodMatcher);
|
|
if (!moduleMethodInstance)
|
|
return BfTypedValue();
|
|
if (!mModule->CheckUseMethodInstance(moduleMethodInstance.mMethodInstance, targetSrc))
|
|
return BfTypedValue();
|
|
|
|
BfAutoComplete* autoComplete = GetAutoComplete();
|
|
if (autoComplete != NULL)
|
|
{
|
|
BfTypeInstance* resolvedTypeInstance = target.mType->ToTypeInstance();
|
|
auto ctorDecl = BfNodeDynCast<BfConstructorDeclaration>(methodDef->mMethodDeclaration);
|
|
if ((autoComplete->mIsGetDefinition) && (autoComplete->IsAutocompleteNode(targetSrc)) && (!BfNodeIsA<BfDelegateBindExpression>(targetSrc)))
|
|
{
|
|
if ((autoComplete->mDefMethod == NULL) && (autoComplete->mDefField == NULL) &&
|
|
(autoComplete->mDefProp == NULL)
|
|
&& ((autoComplete->mDefType == NULL) || (autoComplete->mDefType == resolvedTypeInstance->mTypeDef)))
|
|
{
|
|
// Do we need to do this mDefType setting? If we do, then make sure we only get the element type of generics and such
|
|
//autoComplete->mDefType = resolvedTypeInstance->mTypeDef;
|
|
if (ctorDecl != NULL)
|
|
autoComplete->SetDefinitionLocation(ctorDecl->mThisToken, true);
|
|
else if (resolvedTypeInstance->mTypeDef->mTypeDeclaration != NULL)
|
|
autoComplete->SetDefinitionLocation(resolvedTypeInstance->mTypeDef->mTypeDeclaration->mNameNode, true);
|
|
}
|
|
}
|
|
else if ((autoComplete->mResolveType == BfResolveType_GetResultString) && (autoComplete->IsAutocompleteNode(targetSrc)) &&
|
|
(moduleMethodInstance.mMethodInstance != NULL))
|
|
{
|
|
autoComplete->mResultString = ":";
|
|
autoComplete->mResultString += mModule->MethodToString(moduleMethodInstance.mMethodInstance);
|
|
}
|
|
}
|
|
|
|
BfConstructorDeclaration* ctorDecl = (BfConstructorDeclaration*)methodMatcher.mBestMethodDef->mMethodDeclaration;
|
|
if ((methodMatcher.mBestMethodDef->mHasAppend) && (targetType->IsObject()))
|
|
{
|
|
if (!allowAppendAlloc)
|
|
{
|
|
if (mModule->mCurMethodInstance->mMethodDef->mMethodDeclaration == NULL)
|
|
mModule->Fail("Constructors with append allocations cannot be called from a default constructor. Considering adding an explicit default constructor with the [AllowAppend] specifier.", targetSrc);
|
|
else
|
|
mModule->Fail("Constructors with append allocations cannot be called from a constructor without [AllowAppend] specified.", targetSrc);
|
|
}
|
|
else
|
|
{
|
|
BfResolvedArg resolvedArg;
|
|
if (appendIndexValue != NULL)
|
|
{
|
|
resolvedArg.mTypedValue = *appendIndexValue;
|
|
}
|
|
else
|
|
{
|
|
auto intPtrType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
|
|
auto intPtrRefType = mModule->CreateRefType(intPtrType);
|
|
if (target.mValue.IsFake())
|
|
{
|
|
resolvedArg.mTypedValue = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), intPtrRefType);
|
|
}
|
|
else
|
|
{
|
|
BFMODULE_FATAL(mModule, "Bad");
|
|
}
|
|
}
|
|
methodMatcher.mArguments.Insert(0, resolvedArg);
|
|
}
|
|
}
|
|
|
|
if (isFailurePass)
|
|
mModule->Fail(StrFormat("'%s' is inaccessible due to its protection level", mModule->MethodToString(moduleMethodInstance.mMethodInstance).c_str()), targetSrc);
|
|
prevBindResult.Restore();
|
|
return CreateCall(methodMatcher.mTargetSrc, target, BfTypedValue(), methodMatcher.mBestMethodDef, moduleMethodInstance, BfCreateCallFlags_None, methodMatcher.mArguments);
|
|
}
|
|
|
|
static int sInvocationIdx = 0;
|
|
|
|
BfTypedValue BfExprEvaluator::ResolveArgValue(BfResolvedArg& resolvedArg, BfType* wantType, BfTypedValue* receivingValue, BfParamKind paramKind, BfIdentifierNode* paramNameNode)
|
|
{
|
|
BfTypedValue argValue = resolvedArg.mTypedValue;
|
|
if ((resolvedArg.mArgFlags & BfArgFlag_Finalized) != 0)
|
|
return argValue;
|
|
|
|
if ((resolvedArg.mArgFlags & (BfArgFlag_DelegateBindAttempt | BfArgFlag_LambdaBindAttempt | BfArgFlag_UnqualifiedDotAttempt | BfArgFlag_DeferredEval)) != 0)
|
|
{
|
|
if ((!argValue) || (argValue.mValue.IsFake()) || (resolvedArg.mWantsRecalc))
|
|
{
|
|
resolvedArg.mWantsRecalc = false;
|
|
auto expr = BfNodeDynCast<BfExpression>(resolvedArg.mExpression);
|
|
if (expr != NULL)
|
|
{
|
|
BfExprEvaluator exprEvaluator(mModule);
|
|
exprEvaluator.mReceivingValue = receivingValue;
|
|
BfEvalExprFlags flags = (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_AllowRefExpr);
|
|
if ((paramKind == BfParamKind_Params) || (paramKind == BfParamKind_DelegateParam))
|
|
flags = (BfEvalExprFlags)(flags | BfEvalExprFlags_AllowParamsExpr);
|
|
|
|
argValue = mModule->CreateValueFromExpression(exprEvaluator, expr, wantType, flags);
|
|
|
|
if ((argValue) && (argValue.mType != wantType) && (wantType != NULL))
|
|
{
|
|
if ((mDeferScopeAlloc != NULL) && (wantType == mModule->mContext->mBfObjectType))
|
|
{
|
|
BfAllocTarget allocTarget(mDeferScopeAlloc);
|
|
argValue = mModule->BoxValue(expr, argValue, wantType, allocTarget, ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0) ? BfCastFlags_WantsConst : BfCastFlags_None);
|
|
}
|
|
else
|
|
argValue = mModule->Cast(expr, argValue, wantType, ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0) ? BfCastFlags_WantsConst : BfCastFlags_None);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if ((resolvedArg.mArgFlags & (BfArgFlag_DeferredValue)) != 0)
|
|
{
|
|
// We should have already had an error on the first call
|
|
SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, mModule->mHadBuildError);
|
|
auto expr = BfNodeDynCast<BfExpression>(resolvedArg.mExpression);
|
|
BF_ASSERT(expr != NULL);
|
|
argValue = mModule->CreateValueFromExpression(expr, wantType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_AllowRefExpr | BfEvalExprFlags_AllowOutExpr));
|
|
resolvedArg.mUncastedTypedValue = argValue;
|
|
if ((argValue) && (wantType != NULL))
|
|
argValue = mModule->Cast(expr, argValue, wantType);
|
|
}
|
|
else if ((resolvedArg.mArgFlags & (BfArgFlag_UntypedDefault)) != 0)
|
|
{
|
|
argValue = mModule->GetDefaultTypedValue(wantType);
|
|
}
|
|
else if ((resolvedArg.mArgFlags & (BfArgFlag_VariableDeclaration | BfArgFlag_UninitializedExpr)) != 0)
|
|
{
|
|
auto variableDeclaration = BfNodeDynCast<BfVariableDeclaration>(resolvedArg.mExpression);
|
|
|
|
auto variableType = wantType;
|
|
|
|
bool isLet = (variableDeclaration != NULL) && (variableDeclaration->mTypeRef->IsExact<BfLetTypeReference>());
|
|
bool isVar = (variableDeclaration == NULL) || (variableDeclaration->mTypeRef->IsExact<BfVarTypeReference>());
|
|
|
|
if (mModule->mCurMethodState->mPendingNullConditional != NULL)
|
|
{
|
|
mModule->Fail("Variables cannot be declared in method arguments inside null conditional expressions", variableDeclaration);
|
|
}
|
|
|
|
if ((!isLet) && (!isVar))
|
|
{
|
|
if (variableType->IsVar())
|
|
{
|
|
auto resolvedType = mModule->ResolveTypeRef(variableDeclaration->mTypeRef);
|
|
if (resolvedType != NULL)
|
|
variableType = resolvedType;
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail("Only 'ref' or 'var' variables can be declared in method arguments", variableDeclaration);
|
|
|
|
auto autoComplete = GetAutoComplete();
|
|
if (autoComplete != NULL)
|
|
autoComplete->CheckTypeRef(variableDeclaration->mTypeRef, true, true);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (variableType->IsVar())
|
|
{
|
|
mModule->Fail("Variable type required for 'var' parameter types", variableDeclaration);
|
|
}
|
|
}
|
|
|
|
if (wantType->IsRef())
|
|
{
|
|
auto refType = (BfRefType*)wantType;
|
|
variableType = refType->mElementType;
|
|
}
|
|
|
|
if ((variableDeclaration != NULL) && (variableDeclaration->mInitializer != NULL))
|
|
{
|
|
mModule->Fail("Initializers cannot be used when declaring variables for 'out' parameters", variableDeclaration->mEqualsNode);
|
|
mModule->CreateValueFromExpression(variableDeclaration->mInitializer, variableType, BfEvalExprFlags_NoCast);
|
|
}
|
|
|
|
BfLocalVariable* localVar = new BfLocalVariable();
|
|
if ((variableDeclaration != NULL) && (variableDeclaration->mNameNode != NULL))
|
|
{
|
|
localVar->mName = variableDeclaration->mNameNode->ToString();
|
|
localVar->mNameNode = BfNodeDynCast<BfIdentifierNode>(variableDeclaration->mNameNode);
|
|
}
|
|
else
|
|
{
|
|
if (paramNameNode != NULL)
|
|
{
|
|
localVar->mName = "__";
|
|
paramNameNode->ToString(localVar->mName);
|
|
localVar->mName += "_";
|
|
localVar->mName += StrFormat("%d", mModule->mCurMethodState->GetRootMethodState()->mCurLocalVarId);
|
|
}
|
|
else
|
|
localVar->mName = "__" + StrFormat("%d", mModule->mCurMethodState->GetRootMethodState()->mCurLocalVarId);
|
|
}
|
|
|
|
localVar->mResolvedType = variableType;
|
|
mModule->PopulateType(variableType);
|
|
if (!variableType->IsValuelessType())
|
|
localVar->mAddr = mModule->CreateAlloca(variableType);
|
|
localVar->mIsReadOnly = isLet;
|
|
localVar->mReadFromId = 0;
|
|
localVar->mWrittenToId = 0;
|
|
localVar->mAssignedKind = BfLocalVarAssignKind_Unconditional;
|
|
mModule->CheckVariableDef(localVar);
|
|
localVar->Init();
|
|
mModule->AddLocalVariableDef(localVar, true);
|
|
|
|
CheckVariableDeclaration(resolvedArg.mExpression, false, false, false);
|
|
|
|
argValue = BfTypedValue(localVar->mAddr, mModule->CreateRefType(variableType, BfRefType::RefKind_Out));
|
|
|
|
auto curScope = mModule->mCurMethodState->mCurScope;
|
|
if (curScope->mScopeKind == BfScopeKind_StatementTarget)
|
|
{
|
|
// Move this variable into the parent scope
|
|
curScope->mLocalVarStart = (int)mModule->mCurMethodState->mLocals.size();
|
|
}
|
|
}
|
|
return argValue;
|
|
}
|
|
|
|
BfTypedValue BfExprEvaluator::CheckEnumCreation(BfAstNode* targetSrc, BfTypeInstance* enumType, const StringImpl& caseName, BfResolvedArgs& argValues)
|
|
{
|
|
auto activeTypeDef = mModule->GetActiveTypeDef();
|
|
|
|
mModule->PopulateType(enumType);
|
|
mModule->mBfIRBuilder->PopulateType(enumType);
|
|
|
|
auto resolvePassData = mModule->mCompiler->mResolvePassData;
|
|
// if (resolvePassData != NULL)
|
|
// {
|
|
// if (mModule->mParentNodeEntry != NULL)
|
|
// {
|
|
// if (auto invocationExpr = BfNodeDynCast<BfInvocationExpression>(mModule->mParentNodeEntry->mNode))
|
|
// {
|
|
// if (auto memberRefExpr = BfNodeDynCast<BfMemberReferenceExpression>(invocationExpr->mTarget))
|
|
// {
|
|
// BfAstNode* dotNode = memberRefExpr->mDotToken;
|
|
// BfAstNode* nameNode = targetSrc;
|
|
// String filter;
|
|
// auto autoComplete = resolvePassData->mAutoComplete;
|
|
// if ((autoComplete != NULL) && (autoComplete->InitAutocomplete(dotNode, nameNode, filter)))
|
|
// autoComplete->AddEnumTypeMembers(enumType, caseName, false, enumType == mModule->mCurTypeInstance);
|
|
// }
|
|
// }
|
|
// }
|
|
// }
|
|
|
|
for (int fieldIdx = 0; fieldIdx < (int)enumType->mFieldInstances.size(); fieldIdx++)
|
|
{
|
|
auto fieldInstance = &enumType->mFieldInstances[fieldIdx];
|
|
auto fieldDef = fieldInstance->GetFieldDef();
|
|
if (fieldDef == NULL)
|
|
continue;
|
|
if ((fieldInstance->mIsEnumPayloadCase) && (fieldDef->mName == caseName))
|
|
{
|
|
if ((!enumType->IsTypeMemberIncluded(fieldDef->mDeclaringType, activeTypeDef, mModule)) ||
|
|
(!enumType->IsTypeMemberAccessible(fieldDef->mDeclaringType, activeTypeDef)))
|
|
continue;
|
|
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo))
|
|
{
|
|
BfAutoComplete::MethodMatchEntry methodMatchEntry;
|
|
methodMatchEntry.mPayloadEnumField = fieldInstance;
|
|
methodMatchEntry.mTypeInstance = enumType;
|
|
methodMatchEntry.mCurMethodInstance = mModule->mCurMethodInstance;
|
|
autoComplete->mMethodMatchInfo->mInstanceList.push_back(methodMatchEntry);
|
|
}
|
|
|
|
if (resolvePassData != NULL)
|
|
{
|
|
BfAstNode* nameNode = targetSrc;
|
|
if (resolvePassData->mGetSymbolReferenceKind == BfGetSymbolReferenceKind_Field)
|
|
resolvePassData->HandleFieldReference(nameNode, enumType->mTypeDef, fieldDef);
|
|
}
|
|
|
|
BfIRValue enumValue;
|
|
BfTypedValue result;
|
|
|
|
bool wantConst = IsConstEval();
|
|
|
|
if (wantConst)
|
|
{
|
|
//
|
|
}
|
|
else if ((mReceivingValue != NULL) && (mReceivingValue->mType == enumType) && (mReceivingValue->IsAddr()))
|
|
{
|
|
result = *mReceivingValue;
|
|
mReceivingValue = NULL;
|
|
enumValue = result.mValue;
|
|
}
|
|
else
|
|
{
|
|
mResultIsTempComposite = true;
|
|
enumValue = mModule->CreateAlloca(enumType);
|
|
result = BfTypedValue(enumValue, fieldInstance->mOwner, BfTypedValueKind_TempAddr);
|
|
}
|
|
|
|
BF_ASSERT(fieldInstance->mResolvedType->IsTuple());
|
|
auto tupleType = (BfTypeInstance*)fieldInstance->mResolvedType;
|
|
mModule->mBfIRBuilder->PopulateType(tupleType);
|
|
|
|
if (tupleType->IsDeleting())
|
|
{
|
|
mModule->FailInternal("Deleted tuple type found in CheckEnumCreation", targetSrc);
|
|
return BfTypedValue();
|
|
}
|
|
|
|
bool constFailed = false;
|
|
SizedArray<BfIRValue, 8> constTupleMembers;
|
|
BfIRValue fieldPtr;
|
|
BfIRValue tuplePtr;
|
|
|
|
if (wantConst)
|
|
{
|
|
constTupleMembers.Add(mModule->mBfIRBuilder->CreateConstAggZero(mModule->mBfIRBuilder->MapType(tupleType->mBaseType)));
|
|
}
|
|
else if (!tupleType->IsValuelessType())
|
|
{
|
|
fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(enumValue, 0, 1);
|
|
auto tuplePtrType = mModule->CreatePointerType(tupleType);
|
|
auto mappedPtrType = mModule->mBfIRBuilder->MapType(tuplePtrType);
|
|
tuplePtr = mModule->mBfIRBuilder->CreateBitCast(fieldPtr, mappedPtrType);
|
|
}
|
|
|
|
for (int tupleFieldIdx = 0; tupleFieldIdx < (int)tupleType->mFieldInstances.size(); tupleFieldIdx++)
|
|
{
|
|
auto tupleFieldInstance = &tupleType->mFieldInstances[tupleFieldIdx];
|
|
auto resolvedFieldType = tupleFieldInstance->GetResolvedType();
|
|
|
|
if (tupleFieldIdx >= argValues.mResolvedArgs.size())
|
|
{
|
|
BfAstNode* refNode = targetSrc;
|
|
BfAstNode* prevNode = NULL;
|
|
if (mModule->mParentNodeEntry != NULL)
|
|
{
|
|
if (auto invokeExpr = BfNodeDynCast<BfInvocationExpression>(mModule->mParentNodeEntry->mNode))
|
|
{
|
|
if (invokeExpr->mCloseParen != NULL)
|
|
refNode = invokeExpr->mCloseParen;
|
|
}
|
|
}
|
|
BfError* error = mModule->Fail(StrFormat("Not enough parameters specified, expected %d more.", tupleType->mFieldInstances.size() - (int)argValues.mArguments->size()), refNode);
|
|
if (error != NULL)
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See enum declaration"), fieldDef->mFieldDeclaration);
|
|
if (wantConst)
|
|
constFailed = true;
|
|
break;
|
|
}
|
|
|
|
BfTypedValue receivingValue;
|
|
BfIRValue tupleFieldPtr;
|
|
if (tuplePtr)
|
|
{
|
|
tupleFieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(tuplePtr, 0, tupleFieldInstance->mDataIdx);
|
|
receivingValue = BfTypedValue(tupleFieldPtr, tupleFieldInstance->mResolvedType, true);
|
|
}
|
|
|
|
auto argValue = ResolveArgValue(argValues.mResolvedArgs[tupleFieldIdx], resolvedFieldType, &receivingValue);
|
|
|
|
if (!argValue)
|
|
{
|
|
if (wantConst)
|
|
constFailed = true;
|
|
continue;
|
|
}
|
|
if (resolvedFieldType->IsValuelessType())
|
|
continue;
|
|
|
|
// Used receiving value?
|
|
if (argValue.mValue == receivingValue.mValue)
|
|
continue;
|
|
|
|
argValue = mModule->AggregateSplat(argValue);
|
|
argValues.mResolvedArgs[tupleFieldIdx].mExpectedType = resolvedFieldType;
|
|
if ((argValues.mResolvedArgs[tupleFieldIdx].mArgFlags & (BfArgFlag_DelegateBindAttempt | BfArgFlag_LambdaBindAttempt | BfArgFlag_UnqualifiedDotAttempt)) != 0)
|
|
{
|
|
auto expr = BfNodeDynCast<BfExpression>(argValues.mResolvedArgs[tupleFieldIdx].mExpression);
|
|
BF_ASSERT(expr != NULL);
|
|
argValue = mModule->CreateValueFromExpression(expr, resolvedFieldType, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
|
|
}
|
|
|
|
if (argValue)
|
|
{
|
|
if ((argValue.mType->IsRef()) && (argValue.mType->GetUnderlyingType() == resolvedFieldType))
|
|
{
|
|
if (auto unaryOperator = BfNodeDynCast<BfUnaryOperatorExpression>(argValues.mResolvedArgs[tupleFieldIdx].mExpression))
|
|
{
|
|
mModule->Fail(StrFormat("Invalid use of '%s'. Enum payloads can only be retrieved through 'case' expressions.", BfGetOpName(unaryOperator->mOp)), unaryOperator->mOpToken);
|
|
argValue = mModule->GetDefaultTypedValue(resolvedFieldType);
|
|
}
|
|
else if (auto varDecl = BfNodeDynCast<BfVariableDeclaration>(argValues.mResolvedArgs[tupleFieldIdx].mExpression))
|
|
{
|
|
mModule->Fail("Invalid variable declaration. Enum payloads can only be retrieved through 'case' expressions.", varDecl);
|
|
argValue = mModule->GetDefaultTypedValue(resolvedFieldType);
|
|
}
|
|
}
|
|
|
|
// argValue can have a value even if tuplePtr does not have a value. This can happen if we are assigning to a (void) tuple,
|
|
// but we have a value that needs to be attempted to be casted to void
|
|
argValue = mModule->Cast(argValues.mResolvedArgs[tupleFieldIdx].mExpression, argValue, resolvedFieldType, wantConst ? BfCastFlags_WantsConst : BfCastFlags_None);
|
|
if (wantConst)
|
|
{
|
|
if (!argValue.mValue.IsConst())
|
|
{
|
|
mModule->Fail("Field not const", argValues.mResolvedArgs[tupleFieldIdx].mExpression);
|
|
constFailed = true;
|
|
}
|
|
constTupleMembers.Add(argValue.mValue);
|
|
}
|
|
else if (tupleFieldPtr)
|
|
{
|
|
argValue = mModule->LoadValue(argValue);
|
|
if (argValue)
|
|
mModule->mBfIRBuilder->CreateAlignedStore(argValue.mValue, tupleFieldPtr, resolvedFieldType->mAlign);
|
|
}
|
|
}
|
|
else if (wantConst)
|
|
constFailed = true;
|
|
}
|
|
|
|
if ((intptr)argValues.mResolvedArgs.size() > tupleType->mFieldInstances.size())
|
|
{
|
|
BfAstNode* errorRef = argValues.mResolvedArgs[tupleType->mFieldInstances.size()].mExpression;
|
|
if (errorRef == NULL)
|
|
errorRef = targetSrc;
|
|
|
|
BfError* error = mModule->Fail(StrFormat("Too many arguments, expected %d fewer.", argValues.mResolvedArgs.size() - tupleType->mFieldInstances.size()), errorRef);
|
|
if (error != NULL)
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See enum declaration"), fieldDef->mFieldDeclaration);
|
|
|
|
if (wantConst)
|
|
constFailed = true;
|
|
}
|
|
|
|
auto dscrType = enumType->GetDiscriminatorType();
|
|
auto dscrField = &enumType->mFieldInstances.back();
|
|
int tagIdx = -fieldInstance->mDataIdx - 1;
|
|
|
|
if ((wantConst) && (!constFailed))
|
|
{
|
|
auto unionType = enumType->GetUnionInnerType();
|
|
auto constTuple = mModule->mBfIRBuilder->CreateConstAgg(mModule->mBfIRBuilder->MapType(tupleType, BfIRPopulateType_Full), constTupleMembers);
|
|
|
|
Array<uint8> memArr;
|
|
memArr.Resize(unionType->mSize);
|
|
if (!mModule->mBfIRBuilder->WriteConstant(constTuple, memArr.mVals, tupleType))
|
|
{
|
|
constFailed = true;
|
|
}
|
|
else
|
|
{
|
|
auto unionValue = mModule->mBfIRBuilder->ReadConstant(memArr.mVals, unionType);
|
|
if (!unionValue)
|
|
{
|
|
constFailed = true;
|
|
}
|
|
else
|
|
{
|
|
SizedArray<BfIRValue, 3> constEnumMembers;
|
|
constEnumMembers.Add(mModule->mBfIRBuilder->CreateConstAggZero(mModule->mBfIRBuilder->MapType(enumType->mBaseType, BfIRPopulateType_Full)));
|
|
constEnumMembers.Add(unionValue);
|
|
constEnumMembers.Add(mModule->mBfIRBuilder->CreateConst(dscrType->mTypeDef->mTypeCode, tagIdx));
|
|
return BfTypedValue(mModule->mBfIRBuilder->CreateConstAgg(mModule->mBfIRBuilder->MapType(enumType, BfIRPopulateType_Full), constEnumMembers), enumType);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (constFailed)
|
|
{
|
|
return mModule->GetDefaultTypedValue(enumType, false, BfDefaultValueKind_Addr);
|
|
}
|
|
|
|
auto dscFieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(enumValue, 0, dscrField->mDataIdx);
|
|
mModule->mBfIRBuilder->CreateAlignedStore(mModule->mBfIRBuilder->CreateConst(dscrType->mTypeDef->mTypeCode, tagIdx), dscFieldPtr, 4);
|
|
return result;
|
|
}
|
|
}
|
|
|
|
return BfTypedValue();
|
|
}
|
|
|
|
bool BfExprEvaluator::CheckGenericCtor(BfGenericParamType* genericParamType, BfResolvedArgs& argValues, BfAstNode* targetSrc)
|
|
{
|
|
BfGenericParamFlags genericParamFlags = BfGenericParamFlag_None;
|
|
BfType* typeConstraint = NULL;
|
|
auto genericParam = mModule->GetMergedGenericParamData((BfGenericParamType*)genericParamType, genericParamFlags, typeConstraint);
|
|
|
|
bool success = true;
|
|
|
|
if ((argValues.mArguments != NULL) && (argValues.mArguments->size() != 0))
|
|
{
|
|
mModule->Fail(StrFormat("Only default parameterless constructors can be called on generic argument '%s'", genericParam->GetGenericParamDef()->mName.c_str()), targetSrc);
|
|
success = false;
|
|
}
|
|
else if ((genericParamFlags & (BfGenericParamFlag_New | BfGenericParamFlag_Struct | BfGenericParamFlag_Var)) == 0)
|
|
{
|
|
mModule->Fail(StrFormat("Must add 'where %s : new, struct' constraint to generic parameter to instantiate type", genericParam->GetGenericParamDef()->mName.c_str()), targetSrc);
|
|
success = false;
|
|
}
|
|
else if ((genericParamFlags & (BfGenericParamFlag_New | BfGenericParamFlag_Var)) == 0)
|
|
{
|
|
mModule->Fail(StrFormat("Must add 'where %s : new' constraint to generic parameter to instantiate type", genericParam->GetGenericParamDef()->mName.c_str()), targetSrc);
|
|
success = false;
|
|
}
|
|
else if ((genericParamFlags & (BfGenericParamFlag_Struct | BfGenericParamFlag_Var)) == 0)
|
|
{
|
|
mModule->Fail(StrFormat("Must add 'where %s : struct' constraint to generic parameter to instantiate type without allocator", genericParam->GetGenericParamDef()->mName.c_str()), targetSrc);
|
|
success = false;
|
|
}
|
|
|
|
return success;
|
|
}
|
|
|
|
BfTypedValue BfExprEvaluator::MatchMethod(BfAstNode* targetSrc, BfMethodBoundExpression* methodBoundExpr, BfTypedValue target, bool allowImplicitThis, bool bypassVirtual, const StringImpl& methodName,
|
|
BfResolvedArgs& argValues, const BfMethodGenericArguments& methodGenericArgs, BfCheckedKind checkedKind)
|
|
{
|
|
BP_ZONE("MatchMethod");
|
|
|
|
auto methodGenericArguments = methodGenericArgs.mArguments;
|
|
|
|
if (bypassVirtual)
|
|
{
|
|
// "bypassVirtual" means that we know for sure that the target is EXACTLY the specified target type,
|
|
// not derived from (or implementing) the target type. This cannot apply to interfaces.
|
|
BF_ASSERT(!target.mType->IsInterface());
|
|
}
|
|
|
|
auto origTarget = target;
|
|
if (mFunctionBindResult != NULL)
|
|
{
|
|
BF_ASSERT(!mFunctionBindResult->mOrigTarget);
|
|
mFunctionBindResult->mOrigTarget = origTarget;
|
|
}
|
|
|
|
if (target)
|
|
{
|
|
if (target.mType->IsConcreteInterfaceType())
|
|
target.mType = target.mType->GetUnderlyingType();
|
|
|
|
// Turn T* into a T, if we can
|
|
if ((target.mType->IsPointer()) && (target.mType->GetUnderlyingType()->IsGenericParam()))
|
|
{
|
|
auto underlyingType = target.mType->GetUnderlyingType();
|
|
auto genericParam = mModule->GetGenericParamInstance((BfGenericParamType*)underlyingType);
|
|
if (((genericParam->mTypeConstraint != NULL) && (genericParam->mTypeConstraint->IsValueType())) ||
|
|
((genericParam->mGenericParamFlags & (BfGenericParamFlag_Struct)) != 0))
|
|
{
|
|
target.mType = underlyingType;
|
|
}
|
|
}
|
|
|
|
if ((!target.mType->IsGenericParam()) &&
|
|
((!target.IsSplat()) || (target.mType->IsWrappableType())) &&
|
|
(!IsVar(target.mType)))
|
|
target = MakeCallableTarget(targetSrc, target);
|
|
}
|
|
|
|
// static int sCallIdx = 0;
|
|
// if (!mModule->mCompiler->mIsResolveOnly)
|
|
// sCallIdx++;
|
|
// int callIdx = sCallIdx;
|
|
// if (callIdx == 118)
|
|
// {
|
|
// NOP;
|
|
// }
|
|
|
|
bool prevAllowVariableDeclarations = true;
|
|
if (mModule->mCurMethodState != NULL)
|
|
{
|
|
// Don't allow variable declarations in arguments for this method call
|
|
prevAllowVariableDeclarations = mModule->mCurMethodState->mCurScope->mAllowVariableDeclarations;
|
|
mModule->mCurMethodState->mCurScope->mAllowVariableDeclarations = false;
|
|
}
|
|
defer
|
|
(
|
|
if (mModule->mCurMethodState != NULL)
|
|
mModule->mCurMethodState->mCurScope->mAllowVariableDeclarations = prevAllowVariableDeclarations;
|
|
);
|
|
|
|
// Temporarily disable so we don't capture calls in params
|
|
SetAndRestoreValue<BfFunctionBindResult*> prevBindResult(mFunctionBindResult, NULL);
|
|
|
|
sInvocationIdx++;
|
|
|
|
bool wantCtor = methodName.IsEmpty();
|
|
|
|
BfAutoComplete::MethodMatchInfo* restoreCapturingMethodMatchInfo = NULL;
|
|
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo))
|
|
{
|
|
if ((!targetSrc->IsFromParser(mModule->mCompiler->mResolvePassData->mParsers[0])) ||
|
|
((autoComplete->mMethodMatchInfo->mInvocationSrcIdx != -1) && (autoComplete->mMethodMatchInfo->mInvocationSrcIdx != targetSrc->GetSrcStart())))
|
|
{
|
|
autoComplete->mIsCapturingMethodMatchInfo = false;
|
|
restoreCapturingMethodMatchInfo = autoComplete->mMethodMatchInfo;
|
|
}
|
|
}
|
|
|
|
defer(
|
|
{
|
|
if ((restoreCapturingMethodMatchInfo != NULL) && (autoComplete->mMethodMatchInfo == restoreCapturingMethodMatchInfo))
|
|
autoComplete->mIsCapturingMethodMatchInfo = true;
|
|
});
|
|
|
|
/*if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo) && (autoComplete->mMethodMatchInfo->mInstanceList.size() != 0))
|
|
autoComplete->mIsCapturingMethodMatchInfo = false;*/
|
|
|
|
bool isUnboundCall = false;
|
|
if (target.mType != NULL)
|
|
{
|
|
if (target.mType->IsGenericParam())
|
|
{
|
|
auto genericParamTarget = (BfGenericParamType*) target.mType;
|
|
auto genericParamInstance = mModule->GetGenericParamInstance(genericParamTarget);
|
|
isUnboundCall = (genericParamInstance->mGenericParamFlags & BfGenericParamFlag_Var) != 0;
|
|
if (isUnboundCall)
|
|
{
|
|
if (mModule->mCurMethodInstance->mIsUnspecialized)
|
|
{
|
|
auto varType = mModule->GetPrimitiveType(BfTypeCode_Var);
|
|
target.mType = varType;
|
|
}
|
|
}
|
|
}
|
|
else if (IsVar(target.mType))
|
|
isUnboundCall = true;
|
|
}
|
|
|
|
/*if (mPrefixedAttributeState != NULL)
|
|
{
|
|
auto customAttr = mPrefixedAttributeState->mCustomAttributes->Get(mModule->mCompiler->mUnboundAttributeTypeDef);
|
|
if (customAttr != NULL)
|
|
{
|
|
if (!mModule->IsInGeneric())
|
|
{
|
|
mModule->Fail("'Unbound' can only be used within generics");
|
|
}
|
|
|
|
mPrefixedAttributeState->mUsed = true;
|
|
isUnboundCall = true;
|
|
}
|
|
}*/
|
|
|
|
if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL))
|
|
{
|
|
auto customAttr = mModule->mAttributeState->mCustomAttributes->Get(mModule->mCompiler->mUnboundAttributeTypeDef);
|
|
if (customAttr != NULL)
|
|
{
|
|
if (!mModule->IsInGeneric())
|
|
{
|
|
mModule->Fail("'Unbound' can only be used within generics");
|
|
}
|
|
|
|
mModule->mAttributeState->mUsed = true;
|
|
isUnboundCall = true;
|
|
}
|
|
}
|
|
|
|
if (isUnboundCall)
|
|
{
|
|
if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsUnspecialized))
|
|
{
|
|
auto varType = mModule->GetPrimitiveType(BfTypeCode_Var);
|
|
|
|
for (int argIdx = 0; argIdx < (int)argValues.mResolvedArgs.size(); argIdx++)
|
|
{
|
|
if ((argValues.mResolvedArgs[argIdx].mArgFlags & BfArgFlag_DeferredEval) != 0)
|
|
{
|
|
mModule->CreateValueFromExpression((*argValues.mArguments)[argIdx], varType);
|
|
}
|
|
}
|
|
|
|
return BfTypedValue(mModule->GetDefaultValue(varType), varType);
|
|
}
|
|
}
|
|
|
|
SetAndRestoreValue<bool> prevNoBind(mNoBind, mNoBind || isUnboundCall);
|
|
|
|
bool wantsExtensionCheck = target;
|
|
auto targetType = target.mType;
|
|
BfTypeDef* curTypeDef = NULL;
|
|
BfType* selfType = NULL;
|
|
BfTypeInstance* targetTypeInst = NULL;
|
|
bool checkNonStatic = true;
|
|
|
|
if (target)
|
|
{
|
|
if (IsVar(targetType))
|
|
return mModule->GetDefaultTypedValue(targetType);
|
|
targetTypeInst = targetType->ToTypeInstance();
|
|
if (targetTypeInst != NULL)
|
|
curTypeDef = targetTypeInst->mTypeDef;
|
|
}
|
|
else if (targetType != NULL) // Static targeted
|
|
{
|
|
if (targetType->IsWrappableType())
|
|
{
|
|
if ((targetType->IsPrimitiveType()) && (methodName.IsEmpty()))
|
|
{
|
|
if (argValues.mArguments->IsEmpty())
|
|
{
|
|
return mModule->GetDefaultTypedValue(targetType);
|
|
}
|
|
else if (argValues.mArguments->mSize == 1)
|
|
{
|
|
FinishDeferredEvals(argValues);
|
|
|
|
// This is just a primitive cast
|
|
auto& resolvedArg = argValues.mResolvedArgs[0];
|
|
BfTypedValue castedValue;
|
|
BfTypedValue castTarget = resolvedArg.mTypedValue;
|
|
if (resolvedArg.mTypedValue)
|
|
{
|
|
castTarget = mModule->LoadValue(castTarget);
|
|
castedValue = mModule->Cast(targetSrc, castTarget, targetType, BfCastFlags_Explicit);
|
|
}
|
|
if (!castedValue)
|
|
castedValue = mModule->GetDefaultTypedValue(targetType);
|
|
return castedValue;
|
|
}
|
|
}
|
|
targetTypeInst = mModule->GetWrappedStructType(targetType);
|
|
}
|
|
else if (targetType->IsGenericParam())
|
|
{
|
|
auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)targetType);
|
|
if (genericParamInstance->mTypeConstraint != NULL)
|
|
targetTypeInst = genericParamInstance->mTypeConstraint->ToTypeInstance();
|
|
|
|
if (genericParamInstance->mGenericParamFlags & BfGenericParamFlag_Var)
|
|
{
|
|
auto varType = mModule->GetPrimitiveType(BfTypeCode_Var);
|
|
return BfTypedValue(mModule->GetDefaultValue(varType), varType);
|
|
}
|
|
}
|
|
else
|
|
targetTypeInst = targetType->ToTypeInstance();
|
|
if (targetTypeInst == NULL)
|
|
{
|
|
//mModule->Fail("No static methods available", targetSrc);
|
|
//return BfTypedValue();
|
|
}
|
|
else
|
|
{
|
|
curTypeDef = targetTypeInst->mTypeDef;
|
|
checkNonStatic = false;
|
|
}
|
|
}
|
|
else // Current scopeData
|
|
{
|
|
if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsForeignMethodDef) && (mModule->mCurMethodInstance->mMethodInfoEx->mForeignType->IsInterface()))
|
|
{
|
|
targetTypeInst = mModule->mCurMethodInstance->mMethodInfoEx->mForeignType;
|
|
curTypeDef = targetTypeInst->mTypeDef;
|
|
checkNonStatic = true;
|
|
target = mModule->GetThis();
|
|
selfType = mModule->mCurTypeInstance;
|
|
//target.mType = targetTypeInst;
|
|
}
|
|
else
|
|
{
|
|
curTypeDef = mModule->mCurTypeInstance->mTypeDef;
|
|
targetTypeInst = mModule->mCurTypeInstance;
|
|
if (mModule->mCurMethodState == NULL)
|
|
{
|
|
checkNonStatic = false;
|
|
}
|
|
else
|
|
{
|
|
if (mModule->mCurMethodState->mMixinState != NULL)
|
|
{
|
|
targetTypeInst = mModule->mCurMethodState->mMixinState->mMixinMethodInstance->GetOwner();
|
|
curTypeDef = targetTypeInst->mTypeDef;
|
|
}
|
|
|
|
if (mModule->mCurMethodState->mTempKind != BfMethodState::TempKind_None)
|
|
{
|
|
checkNonStatic = mModule->mCurMethodState->mTempKind == BfMethodState::TempKind_NonStatic;
|
|
}
|
|
else
|
|
checkNonStatic = !mModule->mCurMethodInstance->mMethodDef->mIsStatic;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool isIndirectMethodCall = false;
|
|
BfType* lookupType = targetType;
|
|
BfTypeInstance* lookupTypeInst = targetTypeInst;
|
|
if (targetType != NULL)
|
|
{
|
|
lookupType = BindGenericType(targetSrc, targetType);
|
|
if (lookupType->IsGenericParam())
|
|
lookupTypeInst = NULL;
|
|
}
|
|
|
|
if ((mModule->mIsReified) && (targetTypeInst != NULL) && (!targetTypeInst->mIsReified) && (!targetTypeInst->mModule->mReifyQueued))
|
|
mModule->PopulateType(targetTypeInst);
|
|
|
|
BfMethodDef* methodDef = NULL;
|
|
BfTypeVector checkMethodGenericArguments;
|
|
|
|
BfTypeInstance* curTypeInst = targetTypeInst;
|
|
|
|
Array<SizedArray<BfUsingFieldData::MemberRef, 1>*> methodUsingLists;
|
|
BfMethodMatcher methodMatcher(targetSrc, mModule, methodName, argValues.mResolvedArgs, methodGenericArgs);
|
|
methodMatcher.mUsingLists = &methodUsingLists;
|
|
methodMatcher.mOrigTarget = origTarget;
|
|
methodMatcher.mTarget = target;
|
|
methodMatcher.mCheckedKind = checkedKind;
|
|
methodMatcher.mAllowImplicitThis = allowImplicitThis;
|
|
methodMatcher.mAllowStatic = !target.mValue;
|
|
methodMatcher.mAllowNonStatic = !methodMatcher.mAllowStatic;
|
|
methodMatcher.mAutoFlushAmbiguityErrors = !wantsExtensionCheck;
|
|
if (allowImplicitThis)
|
|
{
|
|
if (mModule->mCurMethodState == NULL)
|
|
{
|
|
methodMatcher.mAllowStatic = true;
|
|
methodMatcher.mAllowNonStatic = false;
|
|
}
|
|
else if (mModule->mCurMethodState->mTempKind != BfMethodState::TempKind_None)
|
|
{
|
|
methodMatcher.mAllowNonStatic = mModule->mCurMethodState->mTempKind == BfMethodState::TempKind_NonStatic;
|
|
methodMatcher.mAllowStatic = true;
|
|
}
|
|
else
|
|
{
|
|
if (!mModule->mCurMethodInstance->mMethodDef->mIsStatic)
|
|
methodMatcher.mAllowNonStatic = true;
|
|
methodMatcher.mAllowStatic = true;
|
|
|
|
if (mModule->mCurMethodInstance->mMethodDef->mIsLocalMethod)
|
|
{
|
|
auto rootMethodState = mModule->mCurMethodState->GetRootMethodState();
|
|
methodMatcher.mAllowNonStatic = !rootMethodState->mMethodInstance->mMethodDef->mIsStatic;
|
|
}
|
|
}
|
|
}
|
|
if (methodName == BF_METHODNAME_CALCAPPEND)
|
|
methodMatcher.mMethodType = BfMethodType_CtorCalcAppend;
|
|
|
|
BF_ASSERT(methodMatcher.mBestMethodDef == NULL);
|
|
|
|
BfLocalMethod* matchedLocalMethod = NULL;
|
|
if (target.mType == NULL)
|
|
{
|
|
CheckLocalMethods(targetSrc, curTypeInst, methodName, methodMatcher, BfMethodType_Normal);
|
|
|
|
if (methodMatcher.mBestMethodDef == NULL)
|
|
methodMatcher.mBestMethodDef = methodMatcher.mBackupMethodDef;
|
|
|
|
if (methodMatcher.mBestMethodDef != NULL)
|
|
{
|
|
auto rootMethodState = mModule->mCurMethodState->GetRootMethodState();
|
|
auto methodDef = methodMatcher.mBestMethodDef;
|
|
if (mModule->mCompiler->mResolvePassData != NULL)
|
|
{
|
|
auto identifierNode = BfNodeDynCast<BfIdentifierNode>(targetSrc);
|
|
mModule->mCompiler->mResolvePassData->HandleLocalReference(identifierNode, curTypeInst->mTypeDef, rootMethodState->mMethodInstance->mMethodDef, ~methodDef->mIdx);
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(identifierNode)))
|
|
{
|
|
autoComplete->SetDefinitionLocation(methodDef->GetRefNode(), true);
|
|
if (autoComplete->mDefType == NULL)
|
|
{
|
|
autoComplete->mDefMethod = mModule->mCurMethodState->GetRootMethodState()->mMethodInstance->mMethodDef;
|
|
autoComplete->mDefType = curTypeDef;
|
|
autoComplete->mReplaceLocalId = ~methodDef->mIdx;
|
|
}
|
|
}
|
|
|
|
if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo))
|
|
{
|
|
BfAutoComplete::MethodMatchEntry methodMatchEntry;
|
|
methodMatchEntry.mMethodDef = methodDef;
|
|
methodMatchEntry.mTypeInstance = mModule->mCurTypeInstance;
|
|
methodMatchEntry.mCurMethodInstance = mModule->mCurMethodInstance;
|
|
autoComplete->mMethodMatchInfo->mInstanceList.push_back(methodMatchEntry);
|
|
}
|
|
}
|
|
|
|
if ((mModule->mCurMethodState->mClosureState != NULL) && (mModule->mCurMethodState->mClosureState->mCapturing))
|
|
{
|
|
auto methodInstance = mModule->GetRawMethodInstance(methodMatcher.mBestMethodTypeInstance, methodMatcher.mBestMethodDef);
|
|
|
|
if (methodInstance->mReturnType == NULL)
|
|
{
|
|
FinishDeferredEvals(argValues);
|
|
|
|
// If we are recursive then we won't even have a completed methodInstance yet to look at
|
|
return mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (methodMatcher.mBestMethodDef == NULL)
|
|
{
|
|
if (lookupTypeInst == NULL)
|
|
{
|
|
if ((lookupType != NULL) && (lookupType->IsConcreteInterfaceType()))
|
|
{
|
|
auto concreteInterfaceType = (BfConcreteInterfaceType*)lookupType;
|
|
lookupTypeInst = concreteInterfaceType->mInterface;
|
|
}
|
|
else if (isUnboundCall)
|
|
{
|
|
//auto resolvedType = mModule->ResolveGenericType(lookupType);
|
|
}
|
|
else if (lookupType->IsGenericParam())
|
|
{
|
|
auto genericParamTarget = (BfGenericParamType*)lookupType;
|
|
|
|
auto _HandleGenericParamInstance = [&](BfGenericParamInstance* genericParamInstance)
|
|
{
|
|
if (genericParamInstance->mTypeConstraint != NULL)
|
|
lookupTypeInst = genericParamInstance->mTypeConstraint->ToTypeInstance();
|
|
else
|
|
lookupTypeInst = mModule->mContext->mBfObjectType;
|
|
|
|
for (BfType* ifaceInst : genericParamInstance->mInterfaceConstraints)
|
|
{
|
|
BfTypeInstance* typeInst = ifaceInst->ToTypeInstance();
|
|
BF_ASSERT(typeInst != NULL);
|
|
if (methodMatcher.CheckType(typeInst, target, false))
|
|
methodMatcher.mSelfType = lookupType;
|
|
}
|
|
};
|
|
|
|
auto genericParamInstance = mModule->GetGenericParamInstance(genericParamTarget, true);
|
|
_HandleGenericParamInstance(genericParamInstance);
|
|
|
|
// Check method generic constraints
|
|
if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsUnspecialized) && (mModule->mCurMethodInstance->mMethodInfoEx != NULL))
|
|
{
|
|
for (int genericParamIdx = (int)mModule->mCurMethodInstance->mMethodInfoEx->mMethodGenericArguments.size();
|
|
genericParamIdx < mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams.size(); genericParamIdx++)
|
|
{
|
|
auto genericParam = mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams[genericParamIdx];
|
|
if (genericParam->mExternType == lookupType)
|
|
_HandleGenericParamInstance(genericParam);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((lookupTypeInst != NULL) && (!wantCtor))
|
|
{
|
|
methodMatcher.mBypassVirtual = bypassVirtual;
|
|
methodMatcher.CheckType(lookupTypeInst, target, false);
|
|
}
|
|
|
|
if ((lookupType != NULL) && (lookupType->IsGenericParam()))
|
|
{
|
|
//lookupType = mModule->ResolveGenericType(lookupType);
|
|
if (!lookupType->IsGenericParam())
|
|
{
|
|
target = MakeCallableTarget(targetSrc, target);
|
|
if (target)
|
|
{
|
|
lookupTypeInst = lookupType->ToTypeInstance();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool isFailurePass = false;
|
|
if (methodMatcher.mBestMethodDef == NULL)
|
|
{
|
|
isFailurePass = true;
|
|
if (lookupTypeInst != NULL)
|
|
methodMatcher.CheckType(lookupTypeInst, target, true);
|
|
}
|
|
|
|
BfTypedValue staticResult;
|
|
//
|
|
{
|
|
auto devirtTarget = target;
|
|
if ((devirtTarget.mType == NULL) && (selfType != NULL))
|
|
devirtTarget.mType = selfType;
|
|
methodMatcher.TryDevirtualizeCall(devirtTarget, &origTarget, &staticResult);
|
|
}
|
|
if (staticResult)
|
|
return staticResult;
|
|
bypassVirtual |= methodMatcher.mBypassVirtual;
|
|
|
|
if (methodMatcher.mBestMethodDef != NULL)
|
|
{
|
|
curTypeInst = methodMatcher.mBestMethodTypeInstance;
|
|
methodDef = methodMatcher.mBestMethodDef;
|
|
}
|
|
|
|
if ((methodDef) && (!methodDef->mIsStatic) && (!target) && (allowImplicitThis))
|
|
{
|
|
target = mModule->GetThis();
|
|
}
|
|
|
|
if (!methodUsingLists.IsEmpty())
|
|
{
|
|
auto foundList = methodUsingLists[0];
|
|
|
|
if (methodUsingLists.mSize > 1)
|
|
{
|
|
BfError* error = mModule->Fail("Ambiguous 'using' method reference", targetSrc);
|
|
if (error != NULL)
|
|
{
|
|
for (auto checkList : methodUsingLists)
|
|
{
|
|
String errorStr = "'";
|
|
for (int entryIdx = 0; entryIdx < checkList->mSize; entryIdx++)
|
|
{
|
|
if (entryIdx == 0)
|
|
errorStr += (*checkList)[entryIdx].GetFullName(mModule);
|
|
else
|
|
{
|
|
errorStr += ".";
|
|
errorStr += (*checkList)[entryIdx].GetName(mModule);
|
|
}
|
|
}
|
|
errorStr += "' is a candidate";
|
|
mModule->mCompiler->mPassInstance->MoreInfo(errorStr, (*checkList)[0].GetRefNode(mModule));
|
|
}
|
|
}
|
|
}
|
|
|
|
BfTypedValue curResult = target;
|
|
for (int entryIdx = 0; entryIdx < foundList->mSize; entryIdx++)
|
|
{
|
|
if ((entryIdx == 0) && (foundList->back().IsStatic()))
|
|
entryIdx = (int)foundList->mSize - 1;
|
|
|
|
auto& entry = (*foundList)[entryIdx];
|
|
if (mPropDef != NULL)
|
|
{
|
|
SetAndRestoreValue<BfTypedValue> prevResult(mResult, BfTypedValue());
|
|
mPropGetMethodFlags = (BfGetMethodInstanceFlags)(mPropGetMethodFlags | BfGetMethodInstanceFlag_Friend);
|
|
curResult = GetResult();
|
|
if (!curResult)
|
|
break;
|
|
}
|
|
|
|
auto useFlags = BfLookupFieldFlag_None;
|
|
if (entryIdx < foundList->mSize - 1)
|
|
useFlags = (BfLookupFieldFlags)(useFlags | BfLookupFieldFlag_IsAnonymous);
|
|
|
|
if (entry.mKind == BfUsingFieldData::MemberRef::Kind_Field)
|
|
{
|
|
curResult = LoadField(targetSrc, curResult, entry.mTypeInstance, entry.mTypeInstance->mTypeDef->mFields[entry.mIdx], useFlags);
|
|
}
|
|
else if (entry.mKind == BfUsingFieldData::MemberRef::Kind_Property)
|
|
{
|
|
curResult = LoadProperty(targetSrc, curResult, entry.mTypeInstance, entry.mTypeInstance->mTypeDef->mProperties[entry.mIdx], useFlags, BfCheckedKind_NotSet, false);
|
|
}
|
|
else if (entry.mKind == BfUsingFieldData::MemberRef::Kind_Local)
|
|
{
|
|
auto localDef = mModule->mCurMethodState->mLocals[entry.mIdx];
|
|
curResult = LoadLocal(localDef);
|
|
}
|
|
else if (entry.mKind == BfUsingFieldData::MemberRef::Kind_Local)
|
|
{
|
|
auto checkMethodDef = entry.mTypeInstance->mTypeDef->mMethods[entry.mIdx];
|
|
BF_ASSERT(methodDef == checkMethodDef);
|
|
break;
|
|
}
|
|
|
|
if ((!curResult) && (mPropDef == NULL))
|
|
break;
|
|
|
|
if (entryIdx == foundList->mSize - 1)
|
|
{
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(targetSrc)))
|
|
autoComplete->SetDefinitionLocation(entry.GetRefNode(mModule));
|
|
|
|
if ((autoComplete != NULL) && (autoComplete->CheckFixit(targetSrc)))
|
|
autoComplete->FixitAddFullyQualify(targetSrc, methodName, *foundList);
|
|
}
|
|
}
|
|
|
|
if (methodDef->mIsStatic)
|
|
target = BfTypedValue(curTypeInst);
|
|
else if (curResult)
|
|
target = curResult;
|
|
else if ((!methodDef->mIsStatic) && (curTypeInst != NULL))
|
|
target = mModule->GetDefaultTypedValue(curTypeInst);
|
|
}
|
|
|
|
// If we call "GetType" on a value type, statically determine the type rather than boxing and then dispatching
|
|
if ((methodDef) && (target) && (curTypeInst == mModule->mContext->mBfObjectType) &&
|
|
(methodDef->mName == "GetType") && (target.mType->IsValueType()) && (argValues.mArguments->IsEmpty()))
|
|
{
|
|
BfType* targetType = target.mType;
|
|
if (origTarget)
|
|
targetType = origTarget.mType;
|
|
|
|
auto typeType = mModule->ResolveTypeDef(mModule->mCompiler->mTypeTypeDef);
|
|
mModule->AddDependency(targetType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_ExprTypeReference);
|
|
return BfTypedValue(mModule->CreateTypeDataRef(targetType), typeType);
|
|
}
|
|
|
|
bool skipThis = false;
|
|
|
|
BfTypedValue fieldVal;
|
|
bool hasFieldVal = false;
|
|
|
|
// Fail, check for delegate field invocation
|
|
if ((methodDef == NULL) && ((methodGenericArguments == NULL) || (methodGenericArguments->size() == 0)))
|
|
{
|
|
// Check for payload enum initialization first
|
|
BfTypedValue enumResult;
|
|
BfTypeInstance* enumType = NULL;
|
|
if ((!target) && (target.HasType()) && (targetType->IsPayloadEnum()))
|
|
{
|
|
enumType = targetType->ToTypeInstance();
|
|
}
|
|
else if ((!target) && (!target.HasType()) && (mModule->mCurTypeInstance->IsPayloadEnum()))
|
|
{
|
|
enumType = mModule->mCurTypeInstance;
|
|
}
|
|
|
|
if (enumType != NULL)
|
|
{
|
|
enumResult = CheckEnumCreation(targetSrc, enumType, methodName, argValues);
|
|
}
|
|
|
|
if (enumResult)
|
|
{
|
|
if (mModule->mCompiler->mResolvePassData != NULL)
|
|
{
|
|
if (auto sourceClassifier = mModule->mCompiler->mResolvePassData->GetSourceClassifier(targetSrc))
|
|
{
|
|
sourceClassifier->SetElementType(targetSrc, BfSourceElementType_Normal);
|
|
}
|
|
}
|
|
return enumResult;
|
|
}
|
|
|
|
if (allowImplicitThis)
|
|
{
|
|
auto identifierNode = BfNodeDynCast<BfIdentifierNode>(targetSrc);
|
|
if (identifierNode != NULL)
|
|
fieldVal = LookupIdentifier(identifierNode);
|
|
}
|
|
else
|
|
{
|
|
SetAndRestoreValue<BfEvalExprFlags> prevFlags(mBfEvalExprFlags, (BfEvalExprFlags)(mBfEvalExprFlags & ~BfEvalExprFlags_AllowEnumId));
|
|
fieldVal = LookupField(targetSrc, target, methodName);
|
|
}
|
|
|
|
if (fieldVal)
|
|
{
|
|
hasFieldVal = true;
|
|
wantsExtensionCheck = !fieldVal.mType->IsDelegate() && !fieldVal.mType->IsFunction();
|
|
}
|
|
else if (mPropDef != NULL)
|
|
{
|
|
hasFieldVal = true;
|
|
|
|
BfMethodDef* matchedMethod = GetPropertyMethodDef(mPropDef, BfMethodType_PropertyGetter, mPropCheckedKind, mPropTarget);
|
|
if (matchedMethod != NULL)
|
|
{
|
|
auto getMethodInstance = mModule->GetRawMethodInstance(mPropTarget.mType->ToTypeInstance(), matchedMethod);
|
|
if ((getMethodInstance != NULL) &&
|
|
((getMethodInstance->mReturnType->IsDelegate()) || (getMethodInstance->mReturnType->IsFunction())))
|
|
wantsExtensionCheck = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((!methodDef) && (!target.mValue))
|
|
{
|
|
// Check to see if we're constructing a struct via a call like: "Struct structVal = Struct()"
|
|
int wantNumGenericArgs = 0;
|
|
if ((methodGenericArguments != NULL) && (methodGenericArguments->size() > 0))
|
|
wantNumGenericArgs = (int)methodGenericArguments->size();
|
|
BfTypeInstance* resolvedTypeInstance = NULL;
|
|
BfResolveTypeRefFlags resolveFlags = BfResolveTypeRefFlag_None;
|
|
if (wantCtor)
|
|
{
|
|
resolvedTypeInstance = targetTypeInst;
|
|
}
|
|
else if (targetType != NULL)
|
|
{
|
|
if (auto invocationExpr = BfNodeDynCast<BfInvocationExpression>(methodBoundExpr))
|
|
{
|
|
auto resolvedType = mModule->ResolveTypeRef_Ref(invocationExpr->mTarget, methodGenericArguments, BfPopulateType_Data, resolveFlags);
|
|
|
|
if (resolvedType != NULL)
|
|
resolvedTypeInstance = resolvedType->ToTypeInstance();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
BfIdentifierNode* identifierNode = BfNodeDynCast<BfIdentifierNode>(targetSrc);
|
|
if (identifierNode != NULL)
|
|
{
|
|
SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, true);
|
|
|
|
BfType* refType;
|
|
if (methodGenericArguments != NULL)
|
|
{
|
|
refType = mModule->ResolveTypeRef_Ref(identifierNode, methodGenericArguments, BfPopulateType_Data, resolveFlags);
|
|
}
|
|
else
|
|
refType = mModule->ResolveTypeRef_Ref(identifierNode, NULL, BfPopulateType_Data, resolveFlags);
|
|
prevIgnoreErrors.Restore();
|
|
|
|
if ((refType != NULL) && (refType->IsPrimitiveType()))
|
|
{
|
|
for (auto& resolvedArg : argValues.mResolvedArgs)
|
|
resolvedArg.mExpectedType = refType;
|
|
|
|
FinishDeferredEvals(argValues);
|
|
|
|
if (argValues.mResolvedArgs.IsEmpty())
|
|
return mModule->GetDefaultTypedValue(refType);
|
|
|
|
if (argValues.mResolvedArgs.size() != 1)
|
|
{
|
|
mModule->Fail("Cast requires one parameter", targetSrc);
|
|
return BfTypedValue();
|
|
}
|
|
|
|
// This is just a primitive cast
|
|
auto& resolvedArg = argValues.mResolvedArgs[0];
|
|
BfTypedValue castedValue;
|
|
BfTypedValue castTarget = resolvedArg.mTypedValue;
|
|
if (resolvedArg.mTypedValue)
|
|
{
|
|
castTarget = mModule->LoadValue(castTarget);
|
|
castedValue = mModule->Cast(targetSrc, castTarget, refType, BfCastFlags_Explicit);
|
|
}
|
|
if (!castedValue)
|
|
castedValue = mModule->GetDefaultTypedValue(refType);
|
|
return castedValue;
|
|
}
|
|
|
|
if (refType != NULL)
|
|
{
|
|
resolvedTypeInstance = refType->ToTypeInstance();
|
|
|
|
if (refType->IsGenericParam())
|
|
{
|
|
CheckGenericCtor((BfGenericParamType*)refType, argValues, targetSrc);
|
|
return mModule->GetDefaultTypedValue(refType);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (resolvedTypeInstance != NULL)
|
|
{
|
|
auto origTypeInstance = resolvedTypeInstance;
|
|
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_AppendFieldInitializer) == 0)
|
|
{
|
|
if ((!resolvedTypeInstance->IsStruct()) && (!resolvedTypeInstance->IsTypedPrimitive()))
|
|
{
|
|
if (mModule->PreFail())
|
|
mModule->Fail("Objects must be allocated through 'new' or 'scope'", targetSrc);
|
|
return BfTypedValue();
|
|
}
|
|
}
|
|
|
|
if (auto identifier = BfNodeDynCastExact<BfIdentifierNode>(targetSrc))
|
|
{
|
|
auto elementType = resolvedTypeInstance->IsEnum() ? BfSourceElementType_Type : BfSourceElementType_Struct;
|
|
if (resolvedTypeInstance->IsObject())
|
|
elementType = BfSourceElementType_RefType;
|
|
mModule->SetElementType(identifier, elementType);
|
|
}
|
|
|
|
if (mModule->mCompiler->mResolvePassData != NULL)
|
|
{
|
|
if ((!BfNodeIsA<BfMemberReferenceExpression>(targetSrc)) && ((resolveFlags & BfResolveTypeRefFlag_FromIndirectSource) == 0))
|
|
mModule->mCompiler->mResolvePassData->HandleTypeReference(targetSrc, resolvedTypeInstance->mTypeDef);
|
|
}
|
|
|
|
BfTypedValue structInst;
|
|
mModule->PopulateType(resolvedTypeInstance);
|
|
if (!resolvedTypeInstance->IsValuelessType())
|
|
{
|
|
if ((mReceivingValue != NULL) && (mReceivingValue->mType == resolvedTypeInstance) && (mReceivingValue->IsAddr()))
|
|
{
|
|
structInst = *mReceivingValue;
|
|
mReceivingValue = NULL;
|
|
}
|
|
else
|
|
{
|
|
auto allocaInst = mModule->CreateAlloca(resolvedTypeInstance);
|
|
structInst = BfTypedValue(allocaInst, resolvedTypeInstance, true);
|
|
}
|
|
mResultIsTempComposite = true;
|
|
}
|
|
else
|
|
{
|
|
structInst = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), resolvedTypeInstance, true);
|
|
}
|
|
|
|
bool doBind = false;
|
|
|
|
mResultLocalVar = NULL;
|
|
mResultFieldInstance = NULL;
|
|
mResultLocalVarRefNode = NULL;
|
|
BfTypedValue result = MatchConstructor(targetSrc, methodBoundExpr, structInst, resolvedTypeInstance, argValues, false, BfMethodGenericArguments(), resolvedTypeInstance->IsObject());
|
|
if ((result) && (!result.mType->IsVoid()))
|
|
return result;
|
|
mModule->ValidateAllocation(resolvedTypeInstance, targetSrc);
|
|
|
|
mModule->AddDependency(resolvedTypeInstance, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_LocalUsage);
|
|
|
|
if (mUsedAsStatement)
|
|
{
|
|
mModule->Warn(0, "Struct constructor being used as a statement", targetSrc);
|
|
}
|
|
|
|
return structInst;
|
|
}
|
|
}
|
|
|
|
// For for extensions in current type
|
|
if (wantsExtensionCheck)
|
|
{
|
|
auto checkTypeInst = mModule->mCurTypeInstance;
|
|
methodMatcher.mMethodType = BfMethodType_Extension;
|
|
if (methodMatcher.CheckType(checkTypeInst, BfTypedValue(), false, true))
|
|
{
|
|
isFailurePass = false;
|
|
curTypeInst = methodMatcher.mBestMethodTypeInstance;
|
|
methodDef = methodMatcher.mBestMethodDef;
|
|
}
|
|
}
|
|
|
|
// Look in globals. Always check for extension methods.
|
|
if ((((methodDef == NULL) && (!target.HasType())) ||
|
|
(wantsExtensionCheck)))
|
|
{
|
|
if (mModule->mContext->mCurTypeState != NULL)
|
|
{
|
|
BfGlobalLookup globalLookup;
|
|
globalLookup.mKind = BfGlobalLookup::Kind_Method;
|
|
globalLookup.mName = methodName;
|
|
mModule->PopulateGlobalContainersList(globalLookup);
|
|
for (auto& globalContainer : mModule->mContext->mCurTypeState->mGlobalContainers)
|
|
{
|
|
if (globalContainer.mTypeInst == NULL)
|
|
continue;
|
|
methodMatcher.mMethodType = wantsExtensionCheck ? BfMethodType_Extension : BfMethodType_Normal;
|
|
if (methodMatcher.CheckType(globalContainer.mTypeInst, BfTypedValue(), false))
|
|
{
|
|
isFailurePass = false;
|
|
curTypeInst = methodMatcher.mBestMethodTypeInstance;
|
|
methodDef = methodMatcher.mBestMethodDef;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Look in static search. Always check for extension methods.
|
|
if ((methodDef == NULL) || (wantsExtensionCheck))
|
|
{
|
|
BfStaticSearch* staticSearch = mModule->GetStaticSearch();
|
|
if (staticSearch != NULL)
|
|
{
|
|
for (auto typeInst : staticSearch->mStaticTypes)
|
|
{
|
|
methodMatcher.mMethodType = wantsExtensionCheck ? BfMethodType_Extension : BfMethodType_Normal;
|
|
if (methodMatcher.CheckType(typeInst, BfTypedValue(), false))
|
|
{
|
|
isFailurePass = false;
|
|
curTypeInst = methodMatcher.mBestMethodTypeInstance;
|
|
methodDef = methodMatcher.mBestMethodDef;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((methodDef == NULL) && (hasFieldVal))
|
|
{
|
|
if (mPropDef != NULL)
|
|
fieldVal = GetResult();
|
|
|
|
if (fieldVal)
|
|
{
|
|
if (fieldVal.mType->IsGenericParam())
|
|
{
|
|
bool delegateFailed = true;
|
|
auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)fieldVal.mType);
|
|
BfTypeInstance* typeInstConstraint = NULL;
|
|
if (genericParamInstance->mTypeConstraint != NULL)
|
|
typeInstConstraint = genericParamInstance->mTypeConstraint->ToTypeInstance();
|
|
if ((typeInstConstraint != NULL) &&
|
|
((typeInstConstraint->IsInstanceOf(mModule->mCompiler->mDelegateTypeDef)) || (typeInstConstraint->IsInstanceOf(mModule->mCompiler->mFunctionTypeDef))))
|
|
{
|
|
MarkResultUsed();
|
|
|
|
if (argValues.mArguments->size() == 1)
|
|
{
|
|
BfExprEvaluator exprEvaluator(mModule);
|
|
exprEvaluator.mBfEvalExprFlags = BfEvalExprFlags_AllowParamsExpr;
|
|
auto argExpr = (*argValues.mArguments)[0];
|
|
if (argExpr != NULL)
|
|
exprEvaluator.Evaluate(argExpr);
|
|
if ((mModule->mCurMethodState != NULL) && (exprEvaluator.mResultLocalVar != NULL) && (exprEvaluator.mResultLocalVarRefNode != NULL))
|
|
{
|
|
auto localVar = exprEvaluator.mResultLocalVar;
|
|
if ((localVar->mCompositeCount >= 0) && (localVar->mResolvedType == fieldVal.mType))
|
|
{
|
|
delegateFailed = false;
|
|
if (mModule->mCurMethodInstance->mIsUnspecialized)
|
|
{
|
|
auto retTypeType = mModule->CreateModifiedTypeType(fieldVal.mType, BfToken_RetType);
|
|
return mModule->GetFakeTypedValue(retTypeType);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (delegateFailed)
|
|
{
|
|
mModule->Fail(StrFormat("Generic delegates can only be invoked with 'params %s' composite parameters", mModule->TypeToString(fieldVal.mType).c_str()), targetSrc);
|
|
return BfTypedValue();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (fieldVal.mType->IsTypeInstance())
|
|
{
|
|
prevBindResult.Restore();
|
|
auto fieldTypeInst = fieldVal.mType->ToTypeInstance();
|
|
MarkResultUsed();
|
|
if (mFunctionBindResult != NULL)
|
|
{
|
|
mFunctionBindResult->mOrigTarget = BfTypedValue();
|
|
}
|
|
return MatchMethod(targetSrc, NULL, fieldVal, false, false, "Invoke", argValues, methodGenericArgs, checkedKind);
|
|
}
|
|
if (IsVar(fieldVal.mType))
|
|
{
|
|
FinishDeferredEvals(argValues);
|
|
return BfTypedValue(mModule->GetDefaultValue(fieldVal.mType), fieldVal.mType);
|
|
}
|
|
if (fieldVal.mType->IsGenericParam())
|
|
{
|
|
auto genericParam = mModule->GetGenericParamInstance((BfGenericParamType*)fieldVal.mType);
|
|
BfType* typeConstraint = genericParam->mTypeConstraint;
|
|
|
|
if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsUnspecialized) && (mModule->mCurMethodInstance->mMethodInfoEx != NULL))
|
|
{
|
|
for (int genericParamIdx = (int)mModule->mCurMethodInstance->mMethodInfoEx->mMethodGenericArguments.size();
|
|
genericParamIdx < mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams.size(); genericParamIdx++)
|
|
{
|
|
auto genericParam = mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams[genericParamIdx];
|
|
if ((genericParam->mExternType == fieldVal.mType) && (genericParam->mTypeConstraint != NULL))
|
|
typeConstraint = genericParam->mTypeConstraint;
|
|
}
|
|
}
|
|
|
|
if ((typeConstraint != NULL) &&
|
|
((typeConstraint->IsDelegate()) || (typeConstraint->IsFunction())))
|
|
{
|
|
BfMethodInstance* invokeMethodInstance = mModule->GetRawMethodInstanceAtIdx(typeConstraint->ToTypeInstance(), 0, "Invoke");
|
|
|
|
methodDef = invokeMethodInstance->mMethodDef;
|
|
methodMatcher.mBestMethodInstance = invokeMethodInstance;
|
|
methodMatcher.mBestMethodTypeInstance = invokeMethodInstance->GetOwner();
|
|
methodMatcher.mBestMethodDef = invokeMethodInstance->mMethodDef;
|
|
target = mModule->GetDefaultTypedValue(methodMatcher.mBestMethodTypeInstance);
|
|
isFailurePass = false;
|
|
isIndirectMethodCall = true;
|
|
}
|
|
}
|
|
else if (fieldVal.mType->IsMethodRef())
|
|
{
|
|
auto functionBindResults = prevBindResult.mPrevVal;
|
|
if (functionBindResults != NULL)
|
|
{
|
|
functionBindResults->mOrigTarget = fieldVal;
|
|
}
|
|
origTarget = fieldVal;
|
|
|
|
auto methodRefType = (BfMethodRefType*)fieldVal.mType;
|
|
BfMethodInstance* methodInstance = methodRefType->mMethodRef;
|
|
methodDef = methodInstance->mMethodDef;
|
|
if (methodDef->mIsLocalMethod)
|
|
{
|
|
methodMatcher.mBestMethodInstance = mModule->ReferenceExternalMethodInstance(methodInstance);
|
|
}
|
|
else
|
|
{
|
|
BfTypeVector methodGenericArguments;
|
|
if (methodInstance->mMethodInfoEx != NULL)
|
|
methodGenericArguments = methodInstance->mMethodInfoEx->mMethodGenericArguments;
|
|
methodMatcher.mBestMethodInstance = mModule->GetMethodInstance(methodInstance->GetOwner(), methodInstance->mMethodDef, methodGenericArguments);
|
|
}
|
|
methodMatcher.mBestMethodTypeInstance = methodInstance->GetOwner();
|
|
if (methodInstance->HasThis())
|
|
{
|
|
bool failed = false;
|
|
target = DoImplicitArgCapture(targetSrc, methodInstance, -1, failed, BfImplicitParamKind_General, origTarget);
|
|
}
|
|
else if (!methodDef->mIsStatic)
|
|
{
|
|
auto thisType = methodInstance->GetParamType(-1);
|
|
BF_ASSERT(thisType->IsValuelessType());
|
|
target = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), methodMatcher.mBestMethodTypeInstance);
|
|
}
|
|
else
|
|
target = BfTypedValue(methodMatcher.mBestMethodTypeInstance);
|
|
methodMatcher.mBypassVirtual = true;
|
|
bypassVirtual = true;
|
|
isFailurePass = false;
|
|
isIndirectMethodCall = true;
|
|
}
|
|
|
|
if (methodDef == NULL)
|
|
{
|
|
mModule->Fail(StrFormat("Cannot perform invocation on type '%s'", mModule->TypeToString(fieldVal.mType).c_str()), targetSrc);
|
|
return BfTypedValue();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (methodDef == NULL)
|
|
{
|
|
}
|
|
|
|
// This will flush out any new ambiguity errors from extension methods
|
|
methodMatcher.FlushAmbiguityError();
|
|
|
|
if (methodDef == NULL)
|
|
{
|
|
FinishDeferredEvals(argValues);
|
|
auto compiler = mModule->mCompiler;
|
|
if ((autoComplete != NULL) && (autoComplete->CheckFixit(targetSrc)))
|
|
{
|
|
mModule->CheckTypeRefFixit(targetSrc);
|
|
bool wantStatic = !target.mValue;
|
|
if ((targetType == NULL) && (allowImplicitThis))
|
|
{
|
|
targetType = mModule->mCurTypeInstance;
|
|
if (mModule->mCurMethodInstance != NULL)
|
|
wantStatic = mModule->mCurMethodInstance->mMethodDef->mIsStatic;
|
|
}
|
|
|
|
if (targetType != NULL)
|
|
{
|
|
auto typeInst = targetType->ToTypeInstance();
|
|
if ((typeInst != NULL) && (!methodName.IsEmpty()))
|
|
{
|
|
BfTypeVector paramTypes;
|
|
for (int argIdx = 0; argIdx < (int)argValues.mResolvedArgs.size(); argIdx++)
|
|
{
|
|
auto& resolvedArg = argValues.mResolvedArgs[argIdx];
|
|
paramTypes.Add(resolvedArg.mTypedValue.mType);
|
|
}
|
|
|
|
autoComplete->FixitAddMethod(typeInst, methodName, mExpectingType, paramTypes, wantStatic);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (methodName.IsEmpty())
|
|
{
|
|
// Would have caused a parsing error
|
|
}
|
|
else if ((target.mType != NULL) && (origTarget.mType != NULL))
|
|
{
|
|
if (mModule->PreFail())
|
|
{
|
|
if ((origTarget.mType->IsPointer()) && (origTarget.mType->GetUnderlyingType()->IsObjectOrInterface()))
|
|
{
|
|
mModule->Fail(StrFormat("Methods cannot be called on type '%s' because the type is a pointer to a reference type (ie: a double-reference).",
|
|
mModule->TypeToString(origTarget.mType).c_str()), targetSrc);
|
|
}
|
|
else
|
|
mModule->Fail(StrFormat("Method '%s' does not exist in type '%s'", methodName.c_str(), mModule->TypeToString(target.mType).c_str()), targetSrc);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (mModule->PreFail())
|
|
mModule->Fail(StrFormat("Method '%s' does not exist", methodName.c_str()), targetSrc);
|
|
}
|
|
return BfTypedValue();
|
|
}
|
|
|
|
if ((prevBindResult.mPrevVal != NULL) && (methodMatcher.mMethodCheckCount > 1))
|
|
prevBindResult.mPrevVal->mCheckedMultipleMethods = true;
|
|
|
|
BfType* overrideReturnType = NULL;
|
|
BfModuleMethodInstance moduleMethodInstance = GetSelectedMethod(targetSrc, curTypeInst, methodDef, methodMatcher, &overrideReturnType);
|
|
|
|
if ((mModule->mAttributeState != NULL) && ((mModule->mAttributeState->mFlags & (BfAttributeState::Flag_StopOnError | BfAttributeState::Flag_HadError)) ==
|
|
(BfAttributeState::Flag_StopOnError | BfAttributeState::Flag_HadError)))
|
|
{
|
|
FinishDeferredEvals(argValues);
|
|
return BfTypedValue();
|
|
}
|
|
|
|
if ((moduleMethodInstance.mMethodInstance != NULL) && (!mModule->CheckUseMethodInstance(moduleMethodInstance.mMethodInstance, targetSrc)))
|
|
{
|
|
FinishDeferredEvals(argValues);
|
|
return BfTypedValue();
|
|
}
|
|
|
|
if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsUnspecialized))
|
|
{
|
|
if (methodMatcher.mHasVarArguments)
|
|
{
|
|
BfType* retType = mModule->GetPrimitiveType(BfTypeCode_Var);
|
|
|
|
if ((!methodMatcher.mHadVarConflictingReturnType) && (methodMatcher.mBestRawMethodInstance != NULL) && (!methodMatcher.mBestRawMethodInstance->mReturnType->IsUnspecializedTypeVariation()) &&
|
|
(prevBindResult.mPrevVal == NULL))
|
|
{
|
|
if ((!methodMatcher.mBestRawMethodInstance->mReturnType->IsGenericParam()) ||
|
|
(((BfGenericParamType*)methodMatcher.mBestRawMethodInstance->mReturnType)->mGenericParamKind != BfGenericParamKind_Method))
|
|
retType = methodMatcher.mBestRawMethodInstance->mReturnType;
|
|
}
|
|
|
|
return mModule->GetDefaultTypedValue(retType, true, BfDefaultValueKind_Addr);
|
|
}
|
|
}
|
|
|
|
if ((bypassVirtual) && (!target.mValue) && (target.mType->IsInterface()))
|
|
{
|
|
target = mModule->GetThis();
|
|
}
|
|
if (!moduleMethodInstance)
|
|
{
|
|
FinishDeferredEvals(argValues);
|
|
if (mModule->IsInUnspecializedGeneric())
|
|
return mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
|
|
return BfTypedValue();
|
|
}
|
|
|
|
bool isSkipCall = moduleMethodInstance.mMethodInstance->IsSkipCall(bypassVirtual);
|
|
|
|
if ((moduleMethodInstance.mMethodInstance->IsOrInUnspecializedVariation()) && (!mModule->mBfIRBuilder->mIgnoreWrites))
|
|
{
|
|
// Invalid methods such as types with a HasVar tuple generic arg will be marked as mIsUnspecializedVariation and shouldn't actually be called
|
|
FinishDeferredEvals(argValues);
|
|
return mModule->GetDefaultTypedValue(moduleMethodInstance.mMethodInstance->mReturnType, true, BfDefaultValueKind_Addr);
|
|
}
|
|
|
|
if (methodDef->IsEmptyPartial())
|
|
{
|
|
// Ignore call
|
|
return mModule->GetDefaultTypedValue(moduleMethodInstance.mMethodInstance->mReturnType, true, BfDefaultValueKind_Addr);
|
|
}
|
|
|
|
if ((moduleMethodInstance.mMethodInstance->mMethodDef->mIsStatic) && (moduleMethodInstance.mMethodInstance->GetOwner()->IsInterface()))
|
|
{
|
|
bool isConstrained = false;
|
|
if (target.mType != NULL)
|
|
isConstrained = target.mType->IsGenericParam();
|
|
if ((target.mType == NULL) && ((mModule->mCurMethodInstance->mIsForeignMethodDef) || (mModule->mCurTypeInstance->IsInterface())))
|
|
isConstrained = true;
|
|
|
|
// If mIgnoreWrites is off then we skip devirtualization, so allow this
|
|
if ((target.mType != NULL) && (!target.mType->IsInterface()) && (mModule->mBfIRBuilder->mIgnoreWrites))
|
|
isConstrained = true;
|
|
|
|
if (!isConstrained)
|
|
{
|
|
if (mModule->mCurTypeInstance->IsInterface())
|
|
{
|
|
if (methodDef->mBody == NULL)
|
|
mModule->Fail(StrFormat("Interface method '%s' must provide a body to be explicitly invoked", mModule->MethodToString(moduleMethodInstance.mMethodInstance).c_str()), targetSrc);
|
|
}
|
|
else
|
|
mModule->Fail(StrFormat("Static interface method '%s' can only be dispatched from a concrete type, consider using this interface as a generic constraint", mModule->MethodToString(moduleMethodInstance.mMethodInstance).c_str()), targetSrc);
|
|
FinishDeferredEvals(argValues);
|
|
return mModule->GetDefaultTypedValue(moduleMethodInstance.mMethodInstance->mReturnType, true, BfDefaultValueKind_Addr);
|
|
}
|
|
}
|
|
|
|
// 'base' could really mean 'this' if we're in an extension
|
|
if ((target.IsBase()) && (targetTypeInst == mModule->mCurTypeInstance))
|
|
target.ToThis();
|
|
else
|
|
MakeBaseConcrete(target);
|
|
|
|
BfType* callTargetType = curTypeInst;
|
|
if (methodDef->mMethodType == BfMethodType_Extension)
|
|
{
|
|
callTargetType = moduleMethodInstance.mMethodInstance->GetParamType(0);
|
|
if ((callTargetType->IsRef()) && (target.IsAddr()) && (!target.IsReadOnly()) && (target.mType->IsValueType()))
|
|
{
|
|
target = BfTypedValue(target.mValue, mModule->CreateRefType(target.mType));
|
|
}
|
|
}
|
|
|
|
BfTypedValue callTarget;
|
|
if (isSkipCall)
|
|
{
|
|
// Just a fake value so we can continue on without generating any code (boxing, conversion, etc)
|
|
if (target)
|
|
{
|
|
if (((target.mType->IsComposite()) || (target.mType->IsTypedPrimitive())))
|
|
{
|
|
if ((moduleMethodInstance.mMethodInstance->mMethodDef->mIsMutating) &&
|
|
((target.IsReadOnly()) || (!target.IsAddr())))
|
|
{
|
|
String err = StrFormat("call mutating method '%s' on", mModule->MethodToString(moduleMethodInstance.mMethodInstance).c_str());
|
|
CheckModifyResult(target, targetSrc, err.c_str());
|
|
}
|
|
}
|
|
|
|
callTarget = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), targetTypeInst);
|
|
}
|
|
}
|
|
else if (targetTypeInst == callTargetType)
|
|
{
|
|
if ((target) && (methodDef->HasNoThisSplat()))
|
|
{
|
|
callTarget = mModule->MakeAddressable(target);
|
|
}
|
|
else
|
|
callTarget = target;
|
|
|
|
if ((callTarget) && (moduleMethodInstance.mMethodInstance->GetOwner()->IsInterface()))
|
|
{
|
|
auto wantThis = moduleMethodInstance.mMethodInstance->GetParamType(-1);
|
|
if ((callTarget.mType != wantThis) && (wantThis->IsInterface()))
|
|
callTarget = mModule->Cast(targetSrc, callTarget, wantThis, BfCastFlags_Explicit);
|
|
}
|
|
}
|
|
else if (target)
|
|
{
|
|
if (methodMatcher.mFakeConcreteTarget)
|
|
{
|
|
BF_ASSERT(callTargetType->IsInterface());
|
|
callTarget = mModule->GetDefaultTypedValue(mModule->CreateConcreteInterfaceType(callTargetType->ToTypeInstance()));
|
|
}
|
|
else if (((target.mType->IsGenericParam()) || (target.mType->IsConcreteInterfaceType())) && (callTargetType->IsInterface()))
|
|
{
|
|
// Leave as generic
|
|
callTarget = target;
|
|
}
|
|
else
|
|
{
|
|
bool handled = false;
|
|
|
|
if ((target.mType->IsTypedPrimitive()) && (callTargetType->IsTypedPrimitive()))
|
|
{
|
|
handled = true;
|
|
callTarget = target;
|
|
}
|
|
else if ((target.mType->IsStructOrStructPtr()) || (target.mType->IsTypedPrimitive()))
|
|
{
|
|
//BF_ASSERT(target.IsAddr());
|
|
if (callTargetType->IsObjectOrInterface())
|
|
{
|
|
// Box it
|
|
callTarget = mModule->Cast(targetSrc, target, callTargetType, BfCastFlags_Explicit);
|
|
handled = true;
|
|
}
|
|
else
|
|
{
|
|
//BF_ASSERT(target.IsAddr() || target.IsSplat() || target.mType->IsPointer());
|
|
}
|
|
}
|
|
else
|
|
target = mModule->LoadValue(target);
|
|
|
|
if (!handled)
|
|
{
|
|
// Could we have just unconditionally done this?
|
|
callTarget = mModule->Cast(targetSrc, target, callTargetType, BfCastFlags_Explicit);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isFailurePass)
|
|
{
|
|
BfError* error;
|
|
if (methodMatcher.mMatchFailKind == BfMethodMatcher::MatchFailKind_CheckedMismatch)
|
|
error = mModule->Fail(StrFormat("'%s' cannot be used because its 'checked' specifier does not match the requested specifier", mModule->MethodToString(moduleMethodInstance.mMethodInstance).c_str()), targetSrc);
|
|
else
|
|
error = mModule->Fail(StrFormat("'%s' is inaccessible due to its protection level", mModule->MethodToString(moduleMethodInstance.mMethodInstance).c_str()), targetSrc);
|
|
if (error != NULL)
|
|
{
|
|
if ((error != NULL) && (moduleMethodInstance.mMethodInstance->mMethodDef->mMethodDeclaration != NULL))
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), moduleMethodInstance.mMethodInstance->mMethodDef->GetRefNode());
|
|
}
|
|
}
|
|
|
|
if ((mModule->mCompiler->mResolvePassData != NULL) && (methodDef != NULL))
|
|
{
|
|
auto identifierNode = BfNodeDynCast<BfIdentifierNode>(targetSrc);
|
|
while (auto qualifiedNameNode = BfNodeDynCast<BfQualifiedNameNode>(identifierNode))
|
|
identifierNode = qualifiedNameNode->mRight;
|
|
if ((identifierNode != NULL) && (methodDef->mIdx >= 0) && (!isIndirectMethodCall) &&
|
|
((targetTypeInst == NULL) || (!targetTypeInst->IsDelegateOrFunction())))
|
|
{
|
|
auto refMethodInstance = moduleMethodInstance.mMethodInstance;
|
|
if (refMethodInstance->mVirtualTableIdx != -1)
|
|
{
|
|
auto& virtualEntry = refMethodInstance->GetOwner()->mVirtualMethodTable[refMethodInstance->mVirtualTableIdx];
|
|
refMethodInstance = virtualEntry.mDeclaringMethod;
|
|
}
|
|
|
|
mModule->mCompiler->mResolvePassData->HandleMethodReference(identifierNode, refMethodInstance->GetOwner()->mTypeDef, refMethodInstance->mMethodDef);
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(identifierNode)))
|
|
{
|
|
autoComplete->SetDefinitionLocation(methodDef->GetRefNode(), true);
|
|
|
|
int virtualIdx = moduleMethodInstance.mMethodInstance->mVirtualTableIdx;
|
|
if ((autoComplete->mResolveType == BfResolveType_GoToDefinition) &&
|
|
(virtualIdx != -1) && (targetTypeInst != NULL) && (!targetTypeInst->IsStruct()) && (!targetTypeInst->IsTypedPrimitive()) && (!targetTypeInst->IsInterface()) &&
|
|
// VirtualMethodTable can be empty if the non-autocomplete classifier hasn't completed yet. Allow failure, a PopulateType here can't force the method table to fill out
|
|
(targetTypeInst->mVirtualMethodTable.size() != 0))
|
|
{
|
|
auto methodEntry = targetTypeInst->mVirtualMethodTable[virtualIdx];
|
|
if (methodEntry.mImplementingMethod.mMethodNum != -1)
|
|
{
|
|
BfMethodInstance* callingMethodInstance = methodEntry.mImplementingMethod;
|
|
if (callingMethodInstance != NULL)
|
|
{
|
|
auto callingMethodDef = callingMethodInstance->mMethodDef;
|
|
auto callingMethodDeclaration = callingMethodDef->GetMethodDeclaration();
|
|
if ((callingMethodDeclaration != NULL) && (callingMethodDeclaration->mNameNode != NULL))
|
|
autoComplete->SetDefinitionLocation(callingMethodDeclaration->mNameNode, true);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (autoComplete->mDefType == NULL)
|
|
{
|
|
autoComplete->mDefMethod = refMethodInstance->mMethodDef;
|
|
autoComplete->mDefType = refMethodInstance->GetOwner()->mTypeDef;
|
|
}
|
|
|
|
if (autoComplete->mResolveType == BfResolveType_GetResultString)
|
|
{
|
|
autoComplete->mResultString = ":";
|
|
autoComplete->mResultString += mModule->MethodToString(moduleMethodInstance.mMethodInstance);
|
|
|
|
auto methodDecl = moduleMethodInstance.mMethodInstance->mMethodDef->GetMethodDeclaration();
|
|
if ((methodDecl != NULL) && (methodDecl->mDocumentation != NULL))
|
|
{
|
|
autoComplete->mResultString += "\x03";
|
|
methodDecl->mDocumentation->GetDocString(autoComplete->mResultString);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// This was causing forward-backward-forward steps when we just used 'targetSrc'. Using closeParen is undesirable because most of the time
|
|
// we DO just want it to just go to the targetSrc... do we even need this?
|
|
/*if (auto invokeExpr = BfNodeDynCast<BfInvocationExpression>(targetSrc->mParent))
|
|
{
|
|
// We set the srcPos to the close paren right before the call so we keep a forward progression of src positions in the case
|
|
// where some of the params are method calls and such
|
|
if (invokeExpr->mCloseParen != NULL)
|
|
mModule->UpdateExprSrcPos(invokeExpr->mCloseParen);
|
|
else
|
|
mModule->UpdateExprSrcPos(targetSrc);
|
|
}
|
|
else
|
|
mModule->UpdateExprSrcPos(targetSrc);*/
|
|
|
|
if (!mModule->mBfIRBuilder->mIgnoreWrites)
|
|
{
|
|
//BF_ASSERT(!callTarget.mValue.IsFake());
|
|
}
|
|
|
|
prevBindResult.Restore();
|
|
|
|
// Check mut
|
|
if ((callTarget.mType != NULL) &&
|
|
(callTarget.mType->IsGenericParam()) &&
|
|
((!callTarget.IsAddr()) || (callTarget.IsReadOnly())) &&
|
|
(callTarget.mKind != BfTypedValueKind_MutableValue) &&
|
|
(moduleMethodInstance.mMethodInstance->mMethodDef->mIsMutating))
|
|
{
|
|
auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)callTarget.mType);
|
|
|
|
bool needsMut = true;
|
|
if ((genericParamInstance->mGenericParamFlags & (BfGenericParamFlag_StructPtr | BfGenericParamFlag_Class | BfGenericParamFlag_Var)) != 0)
|
|
needsMut = false;
|
|
if (genericParamInstance->mTypeConstraint != NULL)
|
|
{
|
|
auto typeConstaintTypeInstance = genericParamInstance->mTypeConstraint->ToTypeInstance();
|
|
if ((typeConstaintTypeInstance != NULL) && (!typeConstaintTypeInstance->IsComposite()))
|
|
needsMut = false;
|
|
}
|
|
|
|
if ((mFunctionBindResult != NULL) && (mFunctionBindResult->mSkipMutCheck))
|
|
needsMut = false;
|
|
|
|
if (needsMut)
|
|
{
|
|
String err = StrFormat("call mutating method '%s' on", mModule->MethodToString(moduleMethodInstance.mMethodInstance).c_str());
|
|
CheckModifyResult(callTarget, targetSrc, err.c_str(), true);
|
|
}
|
|
}
|
|
|
|
// Check mut on interface
|
|
if ((callTarget.mType != NULL) &&
|
|
(callTarget.mType->IsInterface()) &&
|
|
(target.IsThis()) &&
|
|
(mModule->mCurTypeInstance) &&
|
|
(!mModule->mCurMethodInstance->mMethodDef->mIsMutating) &&
|
|
(methodDef->mIsMutating))
|
|
{
|
|
mModule->Fail(StrFormat("Cannot call mutating method '%s' within default interface method '%s'. Consider adding 'mut' specifier to this method.",
|
|
mModule->MethodToString(moduleMethodInstance.mMethodInstance).c_str(), mModule->MethodToString(mModule->mCurMethodInstance).c_str()), targetSrc);
|
|
}
|
|
|
|
BfTypedValue result;
|
|
BfTypedValue argCascade;
|
|
|
|
BfCreateCallFlags subCallFlags = BfCreateCallFlags_None;
|
|
if (bypassVirtual)
|
|
subCallFlags = (BfCreateCallFlags)(subCallFlags | BfCreateCallFlags_BypassVirtual);
|
|
if (skipThis)
|
|
subCallFlags = (BfCreateCallFlags)(subCallFlags | BfCreateCallFlags_SkipThis);
|
|
result = CreateCall(targetSrc, callTarget, origTarget, methodDef, moduleMethodInstance, subCallFlags, argValues.mResolvedArgs, &argCascade);
|
|
|
|
if (overrideReturnType != NULL)
|
|
{
|
|
BF_ASSERT(moduleMethodInstance.mMethodInstance->mIsUnspecializedVariation);
|
|
result = mModule->GetDefaultTypedValue(overrideReturnType, false, BfDefaultValueKind_Addr);
|
|
}
|
|
|
|
if (result)
|
|
{
|
|
if (result.mType->IsRef())
|
|
result = mModule->RemoveRef(result);
|
|
}
|
|
|
|
PerformCallChecks(moduleMethodInstance.mMethodInstance, targetSrc);
|
|
|
|
if (result)
|
|
{
|
|
bool discardedReturnValue = mUsedAsStatement;
|
|
if (discardedReturnValue)
|
|
{
|
|
auto _ShowDiscardWaring = [&](const String& text, BfCustomAttributes* customAttributes, BfIRConstHolder* constHolder, BfAstNode* refNode)
|
|
{
|
|
if (customAttributes != NULL)
|
|
{
|
|
auto customAttribute = customAttributes->Get(mModule->mCompiler->mNoDiscardAttributeTypeDef);
|
|
if (!customAttribute->mCtorArgs.IsEmpty())
|
|
{
|
|
String* str = mModule->GetStringPoolString(customAttribute->mCtorArgs[0], constHolder);
|
|
if ((str != NULL) && (!str->IsEmpty()))
|
|
{
|
|
mModule->Warn(0, text + ": " + *str, targetSrc);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
mModule->Warn(0, text, targetSrc);
|
|
};
|
|
|
|
bool showedWarning = false;
|
|
if (moduleMethodInstance.mMethodInstance->mMethodDef->mIsNoDiscard)
|
|
{
|
|
_ShowDiscardWaring("Discarding return value of method with [NoDiscard] attribute", moduleMethodInstance.mMethodInstance->GetCustomAttributes(),
|
|
moduleMethodInstance.mMethodInstance->GetOwner()->mConstHolder, targetSrc);
|
|
showedWarning = true;
|
|
}
|
|
|
|
auto typeInst = result.mType->ToTypeInstance();
|
|
if (typeInst != NULL)
|
|
{
|
|
if ((typeInst->mTypeDef->mIsNoDiscard) && (!showedWarning))
|
|
{
|
|
_ShowDiscardWaring("Discarding return value whose type has [NoDiscard] attribute", typeInst->mCustomAttributes, typeInst->mConstHolder, targetSrc);
|
|
}
|
|
|
|
BfModuleMethodInstance moduleMethodInstance = mModule->GetMethodByName(typeInst, "ReturnValueDiscarded", 0, true);
|
|
if (moduleMethodInstance)
|
|
{
|
|
bool wasCapturingMethodMatchInfo = false;
|
|
if (autoComplete != NULL)
|
|
{
|
|
wasCapturingMethodMatchInfo = autoComplete->mIsCapturingMethodMatchInfo;
|
|
autoComplete->mIsCapturingMethodMatchInfo = false;
|
|
}
|
|
|
|
defer
|
|
(
|
|
if (autoComplete != NULL)
|
|
autoComplete->mIsCapturingMethodMatchInfo = wasCapturingMethodMatchInfo;
|
|
);
|
|
|
|
auto wasGetDefinition = (autoComplete != NULL) && (autoComplete->mIsGetDefinition);
|
|
if (wasGetDefinition)
|
|
autoComplete->mIsGetDefinition = false;
|
|
result = mModule->MakeAddressable(result);
|
|
BfResolvedArgs resolvedArgs;
|
|
MatchMethod(targetSrc, NULL, result, false, false, "ReturnValueDiscarded", resolvedArgs, BfMethodGenericArguments());
|
|
if (wasGetDefinition)
|
|
autoComplete->mIsGetDefinition = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (argCascade)
|
|
{
|
|
if (argCascade.mType->IsRef())
|
|
argCascade = mModule->RemoveRef(argCascade);
|
|
result = argCascade;
|
|
}
|
|
|
|
if (result)
|
|
{
|
|
if ((result.mType->IsUnspecializedTypeVariation()) && (moduleMethodInstance.mMethodInstance->GetOwner()->IsInterface()))
|
|
{
|
|
BfType* selfType = NULL;
|
|
|
|
if (methodMatcher.mSelfType != NULL)
|
|
{
|
|
BF_ASSERT(mModule->IsInGeneric());
|
|
selfType = methodMatcher.mSelfType;
|
|
}
|
|
else
|
|
{
|
|
// Will be an error
|
|
selfType = methodMatcher.mBestMethodTypeInstance;
|
|
}
|
|
|
|
if ((selfType != NULL) && (!selfType->IsInterface()))
|
|
{
|
|
auto resolvedType = mModule->ResolveSelfType(result.mType, selfType);
|
|
if ((resolvedType != NULL) && (resolvedType != result.mType))
|
|
result = mModule->GetDefaultTypedValue(resolvedType);
|
|
}
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
void BfExprEvaluator::LookupQualifiedName(BfQualifiedNameNode* nameNode, bool ignoreInitialError, bool* hadError)
|
|
{
|
|
BfIdentifierNode* nameLeft = nameNode->mLeft;
|
|
BfIdentifierNode* nameRight = nameNode->mRight;
|
|
|
|
StringT<64> fieldName;
|
|
if (nameNode->mRight != NULL)
|
|
nameNode->mRight->ToString(fieldName);
|
|
|
|
bool wasBaseLookup = false;
|
|
if (auto qualifiedLeftName = BfNodeDynCast<BfQualifiedNameNode>(nameNode->mLeft))
|
|
{
|
|
if (CheckIsBase(qualifiedLeftName->mRight))
|
|
{
|
|
wasBaseLookup = true;
|
|
auto type = mModule->ResolveTypeRef(qualifiedLeftName->mLeft, NULL);
|
|
if (type == NULL)
|
|
return;
|
|
|
|
auto fieldName = nameNode->mRight->ToString();
|
|
auto target = mModule->GetThis();
|
|
target.mType = type;
|
|
mResult = LookupField(nameNode->mRight, target, fieldName);
|
|
if ((mPropDef != NULL) && (mPropDef->IsVirtual()))
|
|
mPropDefBypassVirtual = true;
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (!wasBaseLookup)
|
|
mResult = LookupIdentifier(nameNode->mLeft, ignoreInitialError, hadError);
|
|
GetResult();
|
|
|
|
if (!mResult)
|
|
{
|
|
if (!ignoreInitialError)
|
|
mModule->Fail("Identifier not found", nameNode->mLeft);
|
|
return;
|
|
}
|
|
|
|
if (mResult.mType->IsObject())
|
|
{
|
|
mResult = mModule->LoadValue(mResult, 0, mIsVolatileReference);
|
|
}
|
|
else if ((mResult.mType->IsPointer()) && mResult.mType->IsStructOrStructPtr())
|
|
{
|
|
BfPointerType* structPtrType = (BfPointerType*)mResult.mType;
|
|
mResult = mModule->LoadValue(mResult, 0, mIsVolatileReference);
|
|
mResult.mType = structPtrType->mElementType;
|
|
if (mResult.mKind == BfTypedValueKind_ThisValue)
|
|
mResult.mKind = BfTypedValueKind_ThisAddr;
|
|
else
|
|
mResult.mKind = BfTypedValueKind_Addr;
|
|
}
|
|
mIsVolatileReference = false;
|
|
mIsHeapReference = false;
|
|
|
|
if (!mResult)
|
|
return;
|
|
|
|
auto origResult = mResult;
|
|
auto lookupType = BindGenericType(nameNode, mResult.mType);
|
|
|
|
if (IsVar(mResult.mType))
|
|
{
|
|
mResult = BfTypedValue(mModule->GetDefaultValue(mResult.mType), mResult.mType, true);
|
|
return;
|
|
}
|
|
|
|
if ((!mResult.mType->IsTypeInstance()) && (!mResult.mType->IsGenericParam()))
|
|
{
|
|
if (hadError != NULL)
|
|
*hadError = true;
|
|
mModule->Fail(StrFormat("Type '%s' has no fields", mModule->TypeToString(mResult.mType).c_str()), nameNode->mLeft);
|
|
mResult = BfTypedValue();
|
|
return;
|
|
}
|
|
|
|
BfTypedValue lookupVal = mResult;
|
|
mResult = LookupField(nameNode->mRight, lookupVal, fieldName);
|
|
if ((!mResult) && (mPropDef == NULL) && (lookupType->IsGenericParam()))
|
|
{
|
|
auto genericParamInst = mModule->GetGenericParamInstance((BfGenericParamType*)lookupType, true);
|
|
SizedArray<BfTypeInstance*, 8> searchConstraints;
|
|
for (auto ifaceConstraint : genericParamInst->mInterfaceConstraints)
|
|
{
|
|
if (!searchConstraints.Contains(ifaceConstraint))
|
|
{
|
|
searchConstraints.push_back(ifaceConstraint);
|
|
|
|
for (auto& innerIFaceEntry : ifaceConstraint->mInterfaces)
|
|
{
|
|
auto innerIFace = innerIFaceEntry.mInterfaceType;
|
|
if (!searchConstraints.Contains(innerIFace))
|
|
{
|
|
searchConstraints.push_back(innerIFace);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
BfTypedValue prevTarget;
|
|
BfPropertyDef* prevDef = NULL;
|
|
for (auto ifaceConstraint : searchConstraints)
|
|
{
|
|
BfTypedValue lookupVal = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), ifaceConstraint);
|
|
|
|
mResult = LookupField(nameNode->mRight, lookupVal, fieldName);
|
|
if (mPropDef != NULL)
|
|
{
|
|
if (prevDef != NULL)
|
|
{
|
|
bool isBetter = mModule->TypeIsSubTypeOf(mPropTarget.mType->ToTypeInstance(), prevTarget.mType->ToTypeInstance());
|
|
bool isWorse = mModule->TypeIsSubTypeOf(prevTarget.mType->ToTypeInstance(), mPropTarget.mType->ToTypeInstance());
|
|
|
|
if ((isWorse) && (!isBetter))
|
|
continue;
|
|
|
|
if (isBetter == isWorse)
|
|
{
|
|
auto error = mModule->Fail("Ambiguous property reference", nameNode->mRight);
|
|
if (error != NULL)
|
|
{
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("'%s' has a candidate", mModule->TypeToString(prevTarget.mType).c_str()), prevDef->GetRefNode());
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("'%s' has a candidate", mModule->TypeToString(mPropTarget.mType).c_str()), mPropDef->GetRefNode());
|
|
}
|
|
}
|
|
}
|
|
prevDef = mPropDef;
|
|
prevTarget = mPropTarget;
|
|
}
|
|
}
|
|
/*if ((mResult) || (mPropDef != NULL))
|
|
break;*/
|
|
}
|
|
|
|
if (mPropDef != NULL)
|
|
{
|
|
mOrigPropTarget = origResult;
|
|
if (((CheckIsBase(nameNode->mLeft)) || (wasBaseLookup)) && (mPropDef->IsVirtual()))
|
|
mPropDefBypassVirtual = true;
|
|
}
|
|
if ((mResult) || (mPropDef != NULL))
|
|
return;
|
|
|
|
if (hadError != NULL)
|
|
*hadError = true;
|
|
|
|
BfTypeInstance* typeInst = lookupType->ToTypeInstance();
|
|
auto compiler = mModule->mCompiler;
|
|
if ((typeInst != NULL) && (compiler->IsAutocomplete()) && (compiler->mResolvePassData->mAutoComplete->CheckFixit(nameNode->mRight)))
|
|
{
|
|
FixitAddMember(typeInst, mExpectingType, nameNode->mRight->ToString(), false);
|
|
}
|
|
mModule->Fail(StrFormat("Unable to find member '%s' in '%s'", fieldName.c_str(), mModule->TypeToString(lookupType).c_str()), nameNode->mRight);
|
|
}
|
|
|
|
void BfExprEvaluator::LookupQualifiedName(BfAstNode* nameNode, BfIdentifierNode* nameLeft, BfIdentifierNode* nameRight, bool ignoreInitialError, bool* hadError)
|
|
{
|
|
String fieldName;
|
|
if (nameRight != NULL)
|
|
fieldName = nameRight->ToString();
|
|
|
|
bool wasBaseLookup = false;
|
|
if (auto qualifiedLeftName = BfNodeDynCast<BfQualifiedNameNode>(nameLeft))
|
|
{
|
|
if (CheckIsBase(qualifiedLeftName->mRight))
|
|
{
|
|
wasBaseLookup = true;
|
|
auto type = mModule->ResolveTypeRef(qualifiedLeftName->mLeft, NULL);
|
|
if (type == NULL)
|
|
return;
|
|
|
|
auto fieldName = nameRight->ToString();
|
|
auto target = mModule->GetThis();
|
|
target.mType = type;
|
|
mResult = LookupField(nameRight, target, fieldName);
|
|
if ((mPropDef != NULL) && (mPropDef->IsVirtual()))
|
|
mPropDefBypassVirtual = true;
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (!wasBaseLookup)
|
|
{
|
|
mResult = LookupIdentifier(nameLeft, ignoreInitialError, hadError);
|
|
if ((mResult) && (!mResult.mType->IsComposite()))
|
|
CheckResultForReading(mResult);
|
|
}
|
|
GetResult();
|
|
|
|
if (!mResult)
|
|
{
|
|
if (!ignoreInitialError)
|
|
mModule->Fail("Identifier not found", nameLeft);
|
|
return;
|
|
}
|
|
|
|
if (mResult.mType->IsObject())
|
|
{
|
|
mResult = mModule->LoadValue(mResult, 0, mIsVolatileReference);
|
|
}
|
|
else if ((mResult.mType->IsPointer()) && mResult.mType->IsStructOrStructPtr())
|
|
{
|
|
BfPointerType* structPtrType = (BfPointerType*)mResult.mType;
|
|
mResult = mModule->LoadValue(mResult, 0, mIsVolatileReference);
|
|
mResult.mType = structPtrType->mElementType;
|
|
if (mResult.mKind == BfTypedValueKind_ThisValue)
|
|
mResult.mKind = BfTypedValueKind_ThisAddr;
|
|
else
|
|
mResult.mKind = BfTypedValueKind_Addr;
|
|
}
|
|
mIsVolatileReference = false;
|
|
mIsHeapReference = false;
|
|
|
|
if (!mResult)
|
|
return;
|
|
|
|
if (mResult.mType->IsAllocType())
|
|
mResult.mType = mResult.mType->GetUnderlyingType();
|
|
|
|
auto origResult = mResult;
|
|
if (IsVar(mResult.mType))
|
|
{
|
|
auto varType = mModule->GetPrimitiveType(BfTypeCode_Var);
|
|
mResult = BfTypedValue(mModule->GetDefaultValue(varType), varType, true);
|
|
return;
|
|
}
|
|
|
|
if ((!mResult.mType->IsTypeInstance()) && (!mResult.mType->IsGenericParam()))
|
|
{
|
|
if (mResult.mType->IsSizedArray())
|
|
{
|
|
if (mResult.mType->IsValuelessType())
|
|
{
|
|
mResult.mType = mModule->GetWrappedStructType(mResult.mType);
|
|
mResult.mValue = mModule->mBfIRBuilder->GetFakeVal();
|
|
}
|
|
else
|
|
{
|
|
mResult = mModule->MakeAddressable(mResult);
|
|
mResult.mType = mModule->GetWrappedStructType(mResult.mType);
|
|
mResult.mValue = mModule->mBfIRBuilder->CreateBitCast(mResult.mValue, mModule->mBfIRBuilder->MapTypeInstPtr(mResult.mType->ToTypeInstance()));
|
|
}
|
|
}
|
|
else if (mResult.mType->IsWrappableType())
|
|
{
|
|
mResult.mType = mModule->GetWrappedStructType(mResult.mType);
|
|
}
|
|
else
|
|
{
|
|
if (hadError != NULL)
|
|
*hadError = true;
|
|
mModule->Fail(StrFormat("Type '%s' has no fields", mModule->TypeToString(mResult.mType).c_str()), nameLeft);
|
|
mResult = BfTypedValue();
|
|
return;
|
|
}
|
|
}
|
|
|
|
BfTypedValue lookupVal = mResult;
|
|
auto lookupType = BindGenericType(nameNode, mResult.mType);
|
|
if ((lookupType->IsGenericParam()) && (!mResult.mType->IsGenericParam()))
|
|
{
|
|
bool prevUseMixinGenerics = false;
|
|
if (mModule->mCurMethodState->mMixinState != NULL)
|
|
{
|
|
prevUseMixinGenerics = mModule->mCurMethodState->mMixinState->mUseMixinGenerics;
|
|
mModule->mCurMethodState->mMixinState->mUseMixinGenerics = true;
|
|
}
|
|
|
|
// Try to lookup from generic binding
|
|
mResult = LookupField(nameRight, BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), lookupType), fieldName, BfLookupFieldFlag_BindOnly);
|
|
|
|
if (mModule->mCurMethodState->mMixinState != NULL)
|
|
mModule->mCurMethodState->mMixinState->mUseMixinGenerics = prevUseMixinGenerics;
|
|
|
|
if (mPropDef != NULL)
|
|
{
|
|
mOrigPropTarget = lookupVal;
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (mPropDef == NULL)
|
|
mResult = LookupField(nameRight, lookupVal, fieldName, CheckIsBase(nameLeft) ? BfLookupFieldFlag_BaseLookup : BfLookupFieldFlag_None);
|
|
|
|
if ((!mResult) && (mPropDef == NULL) && (lookupType->IsGenericParam()))
|
|
{
|
|
auto genericParamInst = mModule->GetGenericParamInstance((BfGenericParamType*)lookupType, true);
|
|
SizedArray<BfTypeInstance*, 8> searchConstraints;
|
|
for (auto ifaceConstraint : genericParamInst->mInterfaceConstraints)
|
|
{
|
|
if (!searchConstraints.Contains(ifaceConstraint))
|
|
{
|
|
searchConstraints.push_back(ifaceConstraint);
|
|
|
|
for (auto& innerIFaceEntry : ifaceConstraint->mInterfaces)
|
|
{
|
|
auto innerIFace = innerIFaceEntry.mInterfaceType;
|
|
if (!searchConstraints.Contains(innerIFace))
|
|
{
|
|
searchConstraints.push_back(innerIFace);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
BfTypedValue prevTarget;
|
|
BfPropertyDef* prevDef = NULL;
|
|
for (auto ifaceConstraint : searchConstraints)
|
|
{
|
|
BfTypedValue lookupVal = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), ifaceConstraint);
|
|
|
|
mResult = LookupField(nameRight, lookupVal, fieldName);
|
|
if (mPropDef != NULL)
|
|
{
|
|
if (prevDef != NULL)
|
|
{
|
|
bool isBetter = mModule->TypeIsSubTypeOf(mPropTarget.mType->ToTypeInstance(), prevTarget.mType->ToTypeInstance());
|
|
bool isWorse = mModule->TypeIsSubTypeOf(prevTarget.mType->ToTypeInstance(), mPropTarget.mType->ToTypeInstance());
|
|
|
|
if ((isWorse) && (!isBetter))
|
|
continue;
|
|
|
|
if (isBetter == isWorse)
|
|
{
|
|
auto error = mModule->Fail("Ambiguous property reference", nameRight);
|
|
if (error != NULL)
|
|
{
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("'%s' has a candidate", mModule->TypeToString(prevTarget.mType).c_str()), prevDef->GetRefNode());
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("'%s' has a candidate", mModule->TypeToString(mPropTarget.mType).c_str()), mPropDef->GetRefNode());
|
|
}
|
|
}
|
|
}
|
|
prevDef = mPropDef;
|
|
prevTarget = mPropTarget;
|
|
}
|
|
}
|
|
|
|
if ((mPropDef == NULL) && (genericParamInst->IsEnum()))
|
|
{
|
|
if ((fieldName == "Underlying") || (fieldName == "UnderlyingRef"))
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mPropDef != NULL)
|
|
{
|
|
mOrigPropTarget = origResult;
|
|
if ((CheckIsBase(nameLeft)) || (wasBaseLookup))
|
|
{
|
|
if (mPropDef->IsVirtual())
|
|
mPropDefBypassVirtual = true;
|
|
}
|
|
}
|
|
if ((mResult) || (mPropDef != NULL))
|
|
return;
|
|
|
|
if (hadError != NULL)
|
|
*hadError = true;
|
|
|
|
BfTypeInstance* typeInst = lookupType->ToTypeInstance();
|
|
auto compiler = mModule->mCompiler;
|
|
if ((typeInst != NULL) && (compiler->IsAutocomplete()) && (compiler->mResolvePassData->mAutoComplete->CheckFixit(nameRight)))
|
|
{
|
|
FixitAddMember(typeInst, mExpectingType, nameRight->ToString(), false);
|
|
}
|
|
|
|
if (((mBfEvalExprFlags & BfEvalExprFlags_NameOf) != 0) && (typeInst != NULL) && (CheckForMethodName(nameRight, typeInst, fieldName)))
|
|
return;
|
|
|
|
mModule->Fail(StrFormat("Unable to find member '%s' in '%s'", fieldName.c_str(), mModule->TypeToString(lookupType).c_str()), nameRight);
|
|
}
|
|
|
|
void BfExprEvaluator::LookupQualifiedStaticField(BfQualifiedNameNode* nameNode, bool ignoreIdentifierNotFoundError)
|
|
{
|
|
// Lookup left side as a type
|
|
{
|
|
BfType* type = NULL;
|
|
{
|
|
type = mModule->ResolveTypeRef(nameNode->mLeft, NULL, BfPopulateType_Data, (BfResolveTypeRefFlags)(BfResolveTypeRefFlag_AllowRef | BfResolveTypeRefFlag_IgnoreLookupError));
|
|
mModule->CheckTypeRefFixit(nameNode->mLeft);
|
|
}
|
|
if (type != NULL)
|
|
{
|
|
BfTypedValue lookupType;
|
|
if (type->IsWrappableType())
|
|
lookupType = BfTypedValue(mModule->GetWrappedStructType(type));
|
|
else
|
|
lookupType = BfTypedValue(type);
|
|
auto findName = nameNode->mRight->ToString();
|
|
/*if (findName == "base")
|
|
{
|
|
mResult = BfTypedValue(lookupType);
|
|
return;
|
|
}*/
|
|
mResult = LookupField(nameNode->mRight, lookupType, findName);
|
|
if ((mResult) || (mPropDef != NULL))
|
|
return;
|
|
|
|
if (lookupType.mType != NULL)
|
|
{
|
|
BfTypeInstance* typeInst = lookupType.mType->ToTypeInstance();
|
|
auto compiler = mModule->mCompiler;
|
|
if ((typeInst != NULL) && (compiler->IsAutocomplete()) && (compiler->mResolvePassData->mAutoComplete->CheckFixit(nameNode->mRight)))
|
|
{
|
|
FixitAddMember(typeInst, mExpectingType, nameNode->mRight->ToString(), true);
|
|
}
|
|
}
|
|
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_NoLookupError) == 0)
|
|
mModule->Fail("Field not found", nameNode->mRight);
|
|
return;
|
|
}
|
|
}
|
|
|
|
String fieldName = nameNode->mRight->ToString();
|
|
|
|
if (auto qualifiedLeftName = BfNodeDynCast<BfQualifiedNameNode>(nameNode->mLeft))
|
|
LookupQualifiedStaticField(qualifiedLeftName, true);
|
|
else if (auto leftName = BfNodeDynCast<BfIdentifierNode>(nameNode->mLeft))
|
|
{
|
|
mResult = LookupIdentifier(leftName);
|
|
}
|
|
GetResult();
|
|
|
|
if (!mResult)
|
|
{
|
|
if (!ignoreIdentifierNotFoundError)
|
|
mModule->Fail("Identifier not found", nameNode->mLeft);
|
|
return;
|
|
}
|
|
|
|
if (mResult.mType->IsObject())
|
|
{
|
|
mResult = mModule->LoadValue(mResult);
|
|
}
|
|
else if ((mResult.mType->IsPointer()) && mResult.mType->IsStructOrStructPtr())
|
|
{
|
|
BfPointerType* structPtrType = (BfPointerType*) mResult.mType;
|
|
mResult = mModule->LoadValue(mResult);
|
|
mResult.mType = structPtrType->mElementType;
|
|
}
|
|
|
|
if (!mResult)
|
|
return;
|
|
|
|
if (!mResult.mType->IsTypeInstance())
|
|
{
|
|
mModule->Fail(StrFormat("Type '%s' has no fields", mModule->TypeToString(mResult.mType).c_str()), nameNode->mLeft);
|
|
return;
|
|
}
|
|
|
|
auto leftResult = mResult;
|
|
mResult = LookupField(nameNode->mRight, leftResult, fieldName);
|
|
if ((mResult) || (mPropDef != NULL))
|
|
return;
|
|
|
|
mModule->Fail(StrFormat("Unable to find member '%s' in '%s'", fieldName.c_str(), mModule->TypeToString(leftResult.mType).c_str()), nameNode->mRight);
|
|
}
|
|
|
|
void BfExprEvaluator::LookupQualifiedStaticField(BfAstNode* nameNode, BfIdentifierNode* nameLeft, BfIdentifierNode* nameRight, bool ignoreIdentifierNotFoundError)
|
|
{
|
|
// Lookup left side as a type
|
|
{
|
|
BfType* type = mModule->ResolveTypeRef(nameLeft, NULL, BfPopulateType_Declaration, (BfResolveTypeRefFlags)(BfResolveTypeRefFlag_IgnoreLookupError | BfResolveTypeRefFlag_AllowGlobalContainer));
|
|
if ((type != NULL) && (type->IsVar()) && (nameLeft->Equals("var")))
|
|
type = NULL;
|
|
|
|
if (type != NULL)
|
|
{
|
|
BfTypedValue lookupType;
|
|
if (type->IsWrappableType())
|
|
lookupType = BfTypedValue(mModule->GetWrappedStructType(type));
|
|
else
|
|
lookupType = BfTypedValue(type);
|
|
auto findName = nameRight->ToString();
|
|
|
|
if ((lookupType.mType != NULL) && (lookupType.mType->IsGenericParam()))
|
|
{
|
|
auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)lookupType.mType);
|
|
if (genericParamInstance->mTypeConstraint != NULL)
|
|
{
|
|
mResult = LookupField(nameRight, BfTypedValue(genericParamInstance->mTypeConstraint), findName);
|
|
if ((mResult) || (mPropDef != NULL))
|
|
{
|
|
mOrigPropTarget = lookupType;
|
|
return;
|
|
}
|
|
}
|
|
for (auto constraint : genericParamInstance->mInterfaceConstraints)
|
|
{
|
|
mResult = LookupField(nameRight, BfTypedValue(constraint), findName);
|
|
if ((mResult) || (mPropDef != NULL))
|
|
{
|
|
mOrigPropTarget = lookupType;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*if (findName == "base")
|
|
{
|
|
mResult = BfTypedValue(lookupType);
|
|
return;
|
|
}*/
|
|
mResult = LookupField(nameRight, lookupType, findName);
|
|
if ((mResult) || (mPropDef != NULL))
|
|
return;
|
|
|
|
if (lookupType.mType != NULL)
|
|
{
|
|
BfTypeInstance* typeInst = lookupType.mType->ToTypeInstance();
|
|
auto compiler = mModule->mCompiler;
|
|
if ((typeInst != NULL) && (compiler->IsAutocomplete()) && (compiler->mResolvePassData->mAutoComplete->CheckFixit(nameRight)))
|
|
{
|
|
FixitAddMember(typeInst, mExpectingType, nameRight->ToString(), true);
|
|
}
|
|
}
|
|
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_NameOf) != 0)
|
|
{
|
|
auto typeInst = lookupType.mType->ToTypeInstance();
|
|
if ((typeInst != NULL) && (CheckForMethodName(nameRight, typeInst, findName)))
|
|
return;
|
|
}
|
|
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_NoLookupError) == 0)
|
|
mModule->Fail("Field not found", nameRight);
|
|
return;
|
|
}
|
|
}
|
|
|
|
String fieldName = nameRight->ToString();
|
|
|
|
if (auto qualifiedLeftName = BfNodeDynCast<BfQualifiedNameNode>(nameLeft))
|
|
LookupQualifiedStaticField(qualifiedLeftName, qualifiedLeftName->mLeft, qualifiedLeftName->mRight, true);
|
|
else if (auto leftName = BfNodeDynCast<BfIdentifierNode>(nameLeft))
|
|
{
|
|
mResult = LookupIdentifier(leftName);
|
|
}
|
|
GetResult();
|
|
|
|
if (!mResult)
|
|
{
|
|
if (!ignoreIdentifierNotFoundError)
|
|
mModule->Fail("Identifier not found", nameLeft);
|
|
return;
|
|
}
|
|
|
|
if (mResult.mType->IsObject())
|
|
{
|
|
mResult = mModule->LoadValue(mResult);
|
|
}
|
|
else if ((mResult.mType->IsPointer()) && mResult.mType->IsStructOrStructPtr())
|
|
{
|
|
BfPointerType* structPtrType = (BfPointerType*)mResult.mType;
|
|
mResult = mModule->LoadValue(mResult);
|
|
mResult = BfTypedValue(mResult.mValue, structPtrType->mElementType, true);
|
|
}
|
|
|
|
if (!mResult)
|
|
return;
|
|
|
|
if (!mResult.mType->IsTypeInstance())
|
|
{
|
|
if (mResult.mType->IsSizedArray())
|
|
{
|
|
mResult.mType = mModule->GetWrappedStructType(mResult.mType);
|
|
mResult.mValue = mModule->mBfIRBuilder->CreateBitCast(mResult.mValue, mModule->mBfIRBuilder->MapTypeInstPtr(mResult.mType->ToTypeInstance()));
|
|
}
|
|
else if (mResult.mType->IsWrappableType())
|
|
{
|
|
mResult.mType = mModule->GetWrappedStructType(mResult.mType);
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail(StrFormat("Type '%s' has no fields", mModule->TypeToString(mResult.mType).c_str()), nameLeft);
|
|
return;
|
|
}
|
|
}
|
|
|
|
auto leftResult = mResult;
|
|
mResult = LookupField(nameRight, leftResult, fieldName);
|
|
if ((mResult) || (mPropDef != NULL))
|
|
return;
|
|
|
|
mModule->CheckTypeRefFixit(nameLeft);
|
|
mModule->Fail(StrFormat("Unable to find member '%s' in '%s'", fieldName.c_str(), mModule->TypeToString(leftResult.mType).c_str()), nameRight);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfQualifiedNameNode* nameNode)
|
|
{
|
|
auto autoComplete = GetAutoComplete();
|
|
if (autoComplete != NULL)
|
|
{
|
|
autoComplete->CheckMemberReference(nameNode->mLeft, nameNode->mDot, nameNode->mRight);
|
|
}
|
|
|
|
bool hadError = false;
|
|
LookupQualifiedName(nameNode, nameNode->mLeft, nameNode->mRight, true, &hadError);
|
|
if ((mResult) || (mPropDef != NULL))
|
|
return;
|
|
if (hadError)
|
|
return;
|
|
|
|
LookupQualifiedStaticField(nameNode, nameNode->mLeft, nameNode->mRight, false);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfThisExpression* thisExpr)
|
|
{
|
|
mResult = mModule->GetThis();
|
|
if (!mResult)
|
|
{
|
|
mModule->Fail("Static methods don't have 'this'", thisExpr);
|
|
return;
|
|
}
|
|
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(thisExpr)))
|
|
autoComplete->SetDefinitionLocation(mModule->mCurTypeInstance->mTypeDef->GetRefNode());
|
|
|
|
mResultLocalVar = mModule->GetThisVariable();
|
|
mResultFieldInstance = NULL;
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfBaseExpression* baseExpr)
|
|
{
|
|
mResult = mModule->GetThis();
|
|
if (!mResult)
|
|
{
|
|
mModule->Fail("Static methods don't have 'base'", baseExpr);
|
|
return;
|
|
}
|
|
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_AllowBase) == 0)
|
|
mModule->Fail("Use of keyword 'base' is not valid in this context", baseExpr);
|
|
|
|
auto baseType = mModule->mCurTypeInstance->mBaseType;
|
|
if (baseType == NULL)
|
|
baseType = mModule->mContext->mBfObjectType;
|
|
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(baseExpr)))
|
|
autoComplete->SetDefinitionLocation(baseType->mTypeDef->GetRefNode());
|
|
|
|
mModule->PopulateType(baseType, BfPopulateType_Data);
|
|
mResult = mModule->Cast(baseExpr, mResult, baseType, BfCastFlags_Explicit);
|
|
if (mResult.IsSplat())
|
|
mResult.mKind = BfTypedValueKind_BaseSplatHead;
|
|
else if (mResult.IsAddr())
|
|
mResult.mKind = BfTypedValueKind_BaseAddr;
|
|
else if (mResult)
|
|
mResult.mKind = BfTypedValueKind_BaseValue;
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfMixinExpression* mixinExpr)
|
|
{
|
|
if (mModule->mCurMethodInstance->mMethodDef->mMethodType == BfMethodType_Mixin)
|
|
{
|
|
auto varType = mModule->GetPrimitiveType(BfTypeCode_Var);
|
|
auto newVar = mModule->AllocFromType(varType, mModule->mCurMethodState->mCurScope);
|
|
mResult = BfTypedValue(newVar, varType, true);
|
|
return;
|
|
}
|
|
|
|
auto curMethodState = mModule->mCurMethodState;
|
|
if (curMethodState->mMixinState == NULL)
|
|
{
|
|
mModule->Fail("Mixin references can only be used within mixins", mixinExpr);
|
|
return;
|
|
}
|
|
|
|
int localIdx = GetMixinVariable();
|
|
if (localIdx != -1)
|
|
{
|
|
auto varDecl = curMethodState->mLocals[localIdx];
|
|
if (varDecl != NULL)
|
|
{
|
|
BfTypedValue localResult = LoadLocal(varDecl);
|
|
mResult = localResult;
|
|
mResultLocalVar = varDecl;
|
|
mResultFieldInstance = NULL;
|
|
mResultLocalVarRefNode = mixinExpr;
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (mModule->mCurMethodInstance->mIsUnspecialized)
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
|
|
return;
|
|
}
|
|
|
|
mModule->Fail("Mixin value cannot be inferred", mixinExpr);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfSizedArrayCreateExpression* createExpr)
|
|
{
|
|
auto type = mModule->ResolveTypeRef(createExpr->mTypeRef);
|
|
if (type == NULL)
|
|
return;
|
|
|
|
if (type->IsArray())
|
|
{
|
|
// If we have a case like 'int[] (1, 2)' then we infer the sized array size from the initializer
|
|
auto arrayType = (BfArrayType*)type;
|
|
if (arrayType->mDimensions == 1)
|
|
{
|
|
int arraySize = 0;
|
|
if (auto arrayInitExpr = BfNodeDynCast<BfCollectionInitializerExpression>(createExpr->mInitializer))
|
|
{
|
|
arraySize = (int)arrayInitExpr->mValues.size();
|
|
}
|
|
|
|
type = mModule->CreateSizedArrayType(arrayType->GetUnderlyingType(), arraySize);
|
|
}
|
|
}
|
|
|
|
if (!type->IsSizedArray())
|
|
{
|
|
mModule->Fail("Sized array expected", createExpr->mTypeRef);
|
|
return;
|
|
}
|
|
|
|
BfSizedArrayType* arrayType = (BfSizedArrayType*)type;
|
|
|
|
if (createExpr->mInitializer == NULL)
|
|
{
|
|
mModule->AssertErrorState();
|
|
mResult = mModule->GetDefaultTypedValue(arrayType);
|
|
return;
|
|
}
|
|
|
|
InitializedSizedArray(arrayType, createExpr->mInitializer->mOpenBrace, createExpr->mInitializer->mValues, createExpr->mInitializer->mCommas, createExpr->mInitializer->mCloseBrace);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfInitializerExpression* initExpr)
|
|
{
|
|
uint64 unassignedFieldFlags = 0;
|
|
|
|
if (auto typeRef = BfNodeDynCast<BfTypeReference>(initExpr->mTarget))
|
|
{
|
|
BfType* type = NULL;
|
|
if (auto typeRef = BfNodeDynCast<BfDotTypeReference>(initExpr->mTarget))
|
|
{
|
|
type = mExpectingType;
|
|
}
|
|
if (type == NULL)
|
|
type = mModule->ResolveTypeRef(typeRef);
|
|
if (type != NULL)
|
|
{
|
|
if (type->IsValueType())
|
|
{
|
|
if (mReceivingValue != NULL)
|
|
{
|
|
mResult = *mReceivingValue;
|
|
mReceivingValue = NULL;
|
|
}
|
|
else
|
|
{
|
|
mResult = BfTypedValue(mModule->CreateAlloca(type), type, true);
|
|
}
|
|
auto typeInstance = type->ToTypeInstance();
|
|
if (typeInstance != NULL)
|
|
unassignedFieldFlags = (1 << typeInstance->mMergedFieldDataCount) - 1;
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail("Initializer expressions can only be used on value types or allocated values", initExpr->mTarget);
|
|
}
|
|
}
|
|
}
|
|
else if (auto objCreateExpr = BfNodeDynCast<BfObjectCreateExpression>(initExpr->mTarget))
|
|
{
|
|
CreateObject(objCreateExpr, objCreateExpr->mNewNode, NULL, initExpr->mInlineTypeRef);
|
|
}
|
|
else
|
|
VisitChild(initExpr->mTarget);
|
|
if (!mResult)
|
|
mResult = mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
|
|
|
|
BfIRBlock initBlock = BfIRBlock();
|
|
if (unassignedFieldFlags != 0)
|
|
{
|
|
initBlock = mModule->mBfIRBuilder->CreateBlock("initStart", true);
|
|
mModule->mBfIRBuilder->CreateBr(initBlock);
|
|
mModule->mBfIRBuilder->SetInsertPoint(initBlock);
|
|
}
|
|
|
|
BfTypedValue origInitValue = GetResult(true);
|
|
BfTypedValue initValue = origInitValue;
|
|
if ((initValue) && (initValue.mType->IsRef()))
|
|
initValue = mModule->RemoveRef(initValue, false);
|
|
bool isFirstAdd = true;
|
|
|
|
SetAndRestoreValue<BfTypeInstance*> prevPrivateTypeInstance(mModule->mCurMethodState->mPrivateTypeInstance);
|
|
BfScopeData newScope;
|
|
|
|
if (initExpr->mInlineTypeRef != NULL)
|
|
mModule->mCurMethodState->mPrivateTypeInstance = initValue.mType->ToTypeInstance();
|
|
|
|
newScope.mAllowTargeting = false;
|
|
newScope.mInnerIsConditional = true;
|
|
newScope.mCloseNode = initExpr->mCloseBrace;
|
|
mModule->mCurMethodState->AddScope(&newScope);
|
|
mModule->NewScopeState();
|
|
|
|
BfLocalVariable* localDef = new BfLocalVariable();
|
|
localDef->mName = "_";
|
|
localDef->mResolvedType = initValue.mType;
|
|
localDef->mAssignedKind = BfLocalVarAssignKind_Unconditional;
|
|
if (initValue.IsAddr())
|
|
{
|
|
localDef->mAddr = initValue.mValue;
|
|
}
|
|
else
|
|
{
|
|
localDef->mValue = initValue.mValue;
|
|
localDef->mIsSplat = initValue.IsSplat();
|
|
}
|
|
if (!localDef->mResolvedType->IsVar())
|
|
mModule->AddLocalVariableDef(localDef, true, true);
|
|
|
|
for (auto elementExpr : initExpr->mValues)
|
|
{
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0)
|
|
{
|
|
mModule->Fail("Comptime cannot evaluate initializer expressions", elementExpr);
|
|
break;
|
|
}
|
|
|
|
bool wasValidInitKind = false;
|
|
|
|
if (auto assignExpr = BfNodeDynCast<BfAssignmentExpression>(elementExpr))
|
|
{
|
|
BfTypedValue fieldResult;
|
|
if (auto identifierNode = BfNodeDynCast<BfIdentifierNode>(assignExpr->mLeft))
|
|
{
|
|
StringT<128> findName;
|
|
identifierNode->ToString(findName);
|
|
mResultFieldInstance = NULL;
|
|
fieldResult = LookupField(identifierNode, initValue, findName, BfLookupFieldFlag_IsImplicitThis);
|
|
if ((fieldResult.mKind == BfTypedValueKind_TempAddr) || (fieldResult.mKind == BfTypedValueKind_RestrictedTempAddr))
|
|
fieldResult.mKind = BfTypedValueKind_Addr;
|
|
|
|
if ((mResultFieldInstance != NULL) && (mResultFieldInstance->mMergedDataIdx != -1))
|
|
{
|
|
int resultLocalVarField = 0;
|
|
int resultLocalVarFieldCount = 0;
|
|
mResultFieldInstance->GetDataRange(resultLocalVarField, resultLocalVarFieldCount);
|
|
|
|
for (int i = 0; i < resultLocalVarFieldCount; i++)
|
|
unassignedFieldFlags &= ~((int64)1 << (resultLocalVarField - 1 + i));
|
|
}
|
|
|
|
wasValidInitKind = true;
|
|
|
|
if ((fieldResult) || (mPropDef != NULL))
|
|
{
|
|
if (mResultFieldInstance != NULL)
|
|
{
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(identifierNode)))
|
|
{
|
|
auto fieldDef = mResultFieldInstance->GetFieldDef();
|
|
if (fieldDef != NULL)
|
|
autoComplete->SetDefinitionLocation(fieldDef->GetRefNode());
|
|
}
|
|
}
|
|
|
|
mResult = fieldResult;
|
|
PerformAssignment(assignExpr, true, BfTypedValue());
|
|
mResult = BfTypedValue();
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail(StrFormat("'%s' does not contain a definition for '%s'", mModule->TypeToString(initValue.mType).c_str(),
|
|
findName.c_str()), identifierNode);
|
|
}
|
|
}
|
|
else if (auto indexerExpression = BfNodeDynCast<BfIndexerExpression>(assignExpr->mLeft))
|
|
{
|
|
if (indexerExpression->mTarget == NULL)
|
|
{
|
|
if ((initValue.mType->IsValueType()) && (!initValue.IsAddr()))
|
|
{
|
|
initValue = mModule->MakeAddressable(initValue, true, true);
|
|
}
|
|
|
|
mResult = BfTypedValue();
|
|
HandleIndexerExpression(indexerExpression, initValue);
|
|
wasValidInitKind = true;
|
|
|
|
if ((mPropDef) || (mResult))
|
|
{
|
|
PerformAssignment(assignExpr, true, BfTypedValue());
|
|
mResult = BfTypedValue();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
BfBlock* block = BfNodeDynCast<BfBlock>(elementExpr);
|
|
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(elementExpr)))
|
|
{
|
|
if (auto identiferNode = BfNodeDynCast<BfIdentifierNode>(elementExpr))
|
|
{
|
|
auto typeInstance = initValue.mType->ToTypeInstance();
|
|
if (typeInstance != NULL)
|
|
{
|
|
String filter;
|
|
identiferNode->ToString(filter);
|
|
autoComplete->AddTypeMembers(typeInstance, false, true, filter, typeInstance, false, true, false);
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((block != NULL) && (!block->IsExpression()))
|
|
{
|
|
mModule->VisitCodeBlock(block);
|
|
}
|
|
else
|
|
{
|
|
BfExprEvaluator exprEvaluator(mModule);
|
|
SizedArray<BfExpression*, 2> argExprs;
|
|
argExprs.push_back(elementExpr);
|
|
BfSizedArray<BfExpression*> sizedArgExprs(argExprs);
|
|
BfResolvedArgs argValues(&sizedArgExprs);
|
|
exprEvaluator.ResolveArgValues(argValues, BfResolveArgsFlag_DeferParamEval);
|
|
exprEvaluator.MatchMethod(elementExpr, NULL, initValue, false, false, "Add", argValues, BfMethodGenericArguments());
|
|
}
|
|
|
|
wasValidInitKind = true;
|
|
}
|
|
|
|
if (!wasValidInitKind)
|
|
{
|
|
mModule->Fail("Invalid initializer member declarator", initExpr);
|
|
}
|
|
}
|
|
mModule->RestoreScopeState();
|
|
|
|
if (initExpr->mValues.IsEmpty())
|
|
{
|
|
// When we are first typing out 'override', we
|
|
if (initExpr->mInlineTypeRef != NULL)
|
|
{
|
|
if (auto defineBlock = BfNodeDynCast<BfBlock>(initExpr->mInlineTypeRef->mTypeDeclaration->mDefineNode))
|
|
{
|
|
if (defineBlock->mChildArr.mSize == 1)
|
|
{
|
|
auto lastNode = defineBlock->mChildArr[0];
|
|
if (lastNode->Equals("override"))
|
|
{
|
|
auto autoComplete = mModule->mCompiler->GetAutoComplete();
|
|
if (autoComplete != NULL)
|
|
{
|
|
int cursorIdx = autoComplete->GetCursorIdx(lastNode);
|
|
if ((autoComplete->IsAutocompleteNode(lastNode, 1)) && (cursorIdx == lastNode->GetSrcEnd()))
|
|
{
|
|
auto typeInst = initValue.mType->ToTypeInstance();
|
|
if (typeInst != NULL)
|
|
{
|
|
SetAndRestoreValue<BfTypeInstance*> prevTypeInst(mModule->mCurTypeInstance, typeInst);
|
|
SetAndRestoreValue<BfMethodInstance*> prevMethodInst(mModule->mCurMethodInstance, NULL);
|
|
autoComplete->AddOverrides("", true);
|
|
autoComplete->mInsertStartIdx = lastNode->mSrcStart;
|
|
autoComplete->mInsertEndIdx = lastNode->mSrcEnd;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
auto lastNode = initExpr->mValues.back();
|
|
if (auto lastIdentifier = BfNodeDynCast<BfIdentifierNode>(lastNode))
|
|
{
|
|
auto autoComplete = mModule->mCompiler->GetAutoComplete();
|
|
if (autoComplete != NULL)
|
|
{
|
|
autoComplete->CheckIdentifier(lastIdentifier, false, false);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (unassignedFieldFlags != 0)
|
|
{
|
|
auto curBlock = mModule->mBfIRBuilder->GetInsertBlock();
|
|
mModule->mBfIRBuilder->SetInsertPointAtStart(initBlock);
|
|
mModule->mBfIRBuilder->CreateMemSet(initValue.mValue, mModule->GetConstValue(0, mModule->GetPrimitiveType(BfTypeCode_Int8)),
|
|
mModule->GetConstValue(initValue.mType->mSize), initValue.mType->mAlign);
|
|
mModule->mBfIRBuilder->SetInsertPoint(curBlock);
|
|
}
|
|
|
|
mResult = origInitValue;
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfCollectionInitializerExpression* arrayInitExpr)
|
|
{
|
|
mModule->Fail("Collection initializer not usable here", arrayInitExpr);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfTypeOfExpression* typeOfExpr)
|
|
{
|
|
auto typeType = mModule->ResolveTypeDef(mModule->mCompiler->mTypeTypeDef);
|
|
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (typeOfExpr->mTypeRef != NULL))
|
|
{
|
|
autoComplete->CheckTypeRef(typeOfExpr->mTypeRef, false, true);
|
|
}
|
|
|
|
BfType* type;
|
|
if ((typeOfExpr->mTypeRef != NULL) && (typeOfExpr->mTypeRef->IsA<BfVarTypeReference>()))
|
|
{
|
|
type = mModule->GetPrimitiveType(BfTypeCode_Var);
|
|
}
|
|
else
|
|
{
|
|
type = ResolveTypeRef(typeOfExpr->mTypeRef, BfPopulateType_Identity, (BfResolveTypeRefFlags)(BfResolveTypeRefFlag_AllowGlobalsSelf | BfResolveTypeRefFlag_AllowUnboundGeneric));
|
|
}
|
|
|
|
if (type == NULL)
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(mModule->ResolveTypeDef(mModule->mCompiler->mTypeTypeDef));
|
|
return;
|
|
}
|
|
|
|
mModule->AddDependency(type, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_ExprTypeReference);
|
|
mResult = BfTypedValue(mModule->CreateTypeDataRef(type), typeType);
|
|
}
|
|
|
|
bool BfExprEvaluator::LookupTypeProp(BfTypeOfExpression* typeOfExpr, BfIdentifierNode* propName)
|
|
{
|
|
auto typeType = mModule->ResolveTypeDef(mModule->mCompiler->mTypeTypeDef);
|
|
|
|
BfType* type;
|
|
//
|
|
{
|
|
// We ignore errors because we go through the normal Visit(BfTypeOfExpression) if this fails, which will throw the error again
|
|
SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, true);
|
|
if (auto genericTypeRef = BfNodeDynCast<BfGenericInstanceTypeRef>(typeOfExpr->mTypeRef))
|
|
{
|
|
SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, true);
|
|
type = mModule->ResolveTypeRefAllowUnboundGenerics(typeOfExpr->mTypeRef, BfPopulateType_Identity);
|
|
}
|
|
else
|
|
{
|
|
type = ResolveTypeRef(typeOfExpr->mTypeRef, BfPopulateType_Identity, BfResolveTypeRefFlag_IgnoreLookupError);
|
|
}
|
|
}
|
|
|
|
if (type == NULL)
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(mModule->ResolveTypeDef(mModule->mCompiler->mTypeTypeDef));
|
|
return false;
|
|
}
|
|
|
|
bool success = true;
|
|
|
|
defer(
|
|
{
|
|
if (success)
|
|
mModule->AddDependency(type, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_TypeSignature);
|
|
});
|
|
|
|
// We want to try to avoid triggering OnTypeInit for basic info
|
|
mModule->PopulateType(type, BfPopulateType_Interfaces_Direct);
|
|
auto typeInstance = type->ToTypeInstance();
|
|
|
|
auto _BoolResult = [&](bool val)
|
|
{
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, val ? 1 : 0), mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
};
|
|
|
|
auto _Int32Result = [&](int32 val)
|
|
{
|
|
mResult = BfTypedValue(mModule->GetConstValue32(val), mModule->GetPrimitiveType(BfTypeCode_Int32));
|
|
};
|
|
|
|
String memberName;
|
|
propName->ToString(memberName);
|
|
|
|
bool handled = true;
|
|
if (memberName == "IsTypedPrimitive")
|
|
_BoolResult(type->IsPrimitiveType());
|
|
else if (memberName == "IsObject")
|
|
_BoolResult(type->IsObject());
|
|
else if (memberName == "IsValueType")
|
|
_BoolResult(type->IsValueType());
|
|
else if (memberName == "IsPrimitive")
|
|
_BoolResult(type->IsPrimitiveType());
|
|
else if (memberName == "IsInteger")
|
|
_BoolResult(type->IsInteger());
|
|
else if (memberName == "IsIntegral")
|
|
_BoolResult(type->IsIntegral());
|
|
else if (memberName == "IsSigned")
|
|
_BoolResult(type->IsSigned());
|
|
else if (memberName == "IsFloatingPoint")
|
|
_BoolResult(type->IsFloat());
|
|
else if (memberName == "IsPointer")
|
|
_BoolResult(type->IsPointer());
|
|
else if (memberName == "IsStruct")
|
|
_BoolResult(type->IsStruct());
|
|
else if (memberName == "IsSplattable")
|
|
_BoolResult(type->IsSplattable());
|
|
else if (memberName == "IsUnion")
|
|
_BoolResult(type->IsUnion());
|
|
else if (memberName == "IsBoxed")
|
|
_BoolResult(type->IsBoxed());
|
|
else if (memberName == "IsEnum")
|
|
_BoolResult(type->IsEnum());
|
|
else if (memberName == "IsTuple")
|
|
_BoolResult(type->IsTuple());
|
|
else if (memberName == "IsNullable")
|
|
_BoolResult(type->IsNullable());
|
|
else if (memberName == "IsGenericType")
|
|
_BoolResult(type->IsGenericTypeInstance());
|
|
else if (memberName == "IsGenericParam")
|
|
_BoolResult(type->IsGenericParam());
|
|
else if (memberName == "IsArray")
|
|
_BoolResult(type->IsArray());
|
|
else if (memberName == "IsSizedArray")
|
|
_BoolResult(type->IsSizedArray());
|
|
else if (memberName == "TypeId")
|
|
{
|
|
_Int32Result(type->mTypeId);
|
|
mResult.mType = mModule->ResolveTypeDef(mModule->mCompiler->mReflectTypeIdTypeDef);
|
|
}
|
|
else if (memberName == "GenericParamCount")
|
|
{
|
|
auto genericTypeInst = type->ToGenericTypeInstance();
|
|
_Int32Result((genericTypeInst != NULL) ? (int)genericTypeInst->mGenericTypeInfo->mTypeGenericArguments.size() : 0);
|
|
}
|
|
else
|
|
{
|
|
// We need full data
|
|
mModule->PopulateType(type, BfPopulateType_Data);
|
|
|
|
if (memberName == "Size")
|
|
_Int32Result(type->mSize);
|
|
else if (memberName == "Align")
|
|
_Int32Result(type->mAlign);
|
|
else if (memberName == "Stride")
|
|
_Int32Result(type->GetStride());
|
|
else if (memberName == "InstanceSize")
|
|
_Int32Result((typeInstance != NULL) ? typeInstance->mInstSize : type->mSize);
|
|
else if (memberName == "InstanceAlign")
|
|
_Int32Result((typeInstance != NULL) ? typeInstance->mInstAlign : type->mSize);
|
|
else if (memberName == "InstanceStride")
|
|
_Int32Result((typeInstance != NULL) ? typeInstance->GetInstStride() : type->GetStride());
|
|
else if (memberName == "UnderlyingType")
|
|
{
|
|
bool handled = false;
|
|
|
|
auto typeType = mModule->ResolveTypeDef(mModule->mCompiler->mTypeTypeDef);
|
|
if (type->IsGenericParam())
|
|
{
|
|
auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)type);
|
|
if (genericParamInstance->IsEnum())
|
|
{
|
|
handled = true;
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->GetUndefConstValue(mModule->mBfIRBuilder->MapType(typeType)), typeType);
|
|
}
|
|
}
|
|
else if (type->IsEnum())
|
|
{
|
|
if (type->IsDataIncomplete())
|
|
mModule->PopulateType(type);
|
|
auto underlyingType = type->GetUnderlyingType();
|
|
if (underlyingType != NULL)
|
|
{
|
|
handled = true;
|
|
mModule->AddDependency(underlyingType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_ExprTypeReference);
|
|
mResult = BfTypedValue(mModule->CreateTypeDataRef(underlyingType), typeType);
|
|
}
|
|
}
|
|
|
|
if (!handled)
|
|
mResult = BfTypedValue(mModule->CreateTypeDataRef(mModule->GetPrimitiveType(BfTypeCode_None)), typeType);
|
|
}
|
|
else if (memberName == "BitSize")
|
|
{
|
|
auto int32Type = mModule->GetPrimitiveType(BfTypeCode_Int32);
|
|
|
|
BfType* checkType = type;
|
|
if (checkType->IsTypedPrimitive())
|
|
checkType = checkType->GetUnderlyingType();
|
|
|
|
if (checkType->IsGenericParam())
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(int32Type, false, Beefy::BfDefaultValueKind_Undef);
|
|
return true;
|
|
}
|
|
|
|
if ((typeInstance != NULL) && (typeInstance->IsEnum()))
|
|
{
|
|
if (typeInstance->mTypeInfoEx != NULL)
|
|
{
|
|
int64 minValue = typeInstance->mTypeInfoEx->mMinValue;
|
|
if (minValue < 0)
|
|
minValue = ~minValue;
|
|
int64 maxValue = typeInstance->mTypeInfoEx->mMaxValue;
|
|
if (maxValue < 0)
|
|
maxValue = ~maxValue;
|
|
uint64 value = (uint64)minValue | (uint64)maxValue;
|
|
|
|
int bitCount = 1;
|
|
if (typeInstance->mTypeInfoEx->mMinValue < 0)
|
|
bitCount++;
|
|
|
|
while (value >>= 1)
|
|
bitCount++;
|
|
|
|
mModule->AddDependency(typeInstance, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_ReadFields);
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int32, bitCount), int32Type);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
int bitSize = checkType->mSize * 8;
|
|
if (checkType->GetTypeCode() == BfTypeCode_Boolean)
|
|
bitSize = 1;
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int32, bitSize), int32Type);
|
|
return true;
|
|
}
|
|
else if ((memberName == "MinValue") || (memberName == "MaxValue"))
|
|
{
|
|
bool isMin = memberName == "MinValue";
|
|
bool isBitSize = memberName == "BitSize";
|
|
|
|
BfType* checkType = type;
|
|
if (checkType->IsTypedPrimitive())
|
|
checkType = checkType->GetUnderlyingType();
|
|
|
|
if (checkType->IsGenericParam())
|
|
{
|
|
bool foundMatch = false;
|
|
|
|
auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)checkType);
|
|
if (((genericParamInstance->mGenericParamFlags & BfGenericParamFlag_Enum) != 0) ||
|
|
((genericParamInstance->mTypeConstraint != NULL) && (genericParamInstance->mTypeConstraint->IsInstanceOf(mModule->mCompiler->mEnumTypeDef))))
|
|
foundMatch = true;
|
|
|
|
else
|
|
{
|
|
for (auto constraint : genericParamInstance->mInterfaceConstraints)
|
|
{
|
|
if (constraint->IsInstanceOf(mModule->mCompiler->mIIntegerTypeDef))
|
|
foundMatch = true;
|
|
}
|
|
}
|
|
|
|
if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsUnspecialized) && (mModule->mCurMethodInstance->mMethodInfoEx != NULL))
|
|
{
|
|
for (int genericParamIdx = (int)mModule->mCurMethodInstance->mMethodInfoEx->mMethodGenericArguments.size();
|
|
genericParamIdx < mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams.size(); genericParamIdx++)
|
|
{
|
|
genericParamInstance = mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams[genericParamIdx];
|
|
if (genericParamInstance->mExternType == type)
|
|
{
|
|
if (((genericParamInstance->mGenericParamFlags & BfGenericParamFlag_Enum) != 0) ||
|
|
((genericParamInstance->mTypeConstraint != NULL) && (genericParamInstance->mTypeConstraint->IsInstanceOf(mModule->mCompiler->mEnumTypeDef))))
|
|
foundMatch = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (foundMatch)
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(type, false, Beefy::BfDefaultValueKind_Undef);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (checkType->IsPrimitiveType())
|
|
{
|
|
auto primType = (BfPrimitiveType*)checkType;
|
|
|
|
if ((typeInstance != NULL) && (typeInstance->IsEnum()))
|
|
{
|
|
if (typeInstance->mTypeInfoEx != NULL)
|
|
{
|
|
mModule->AddDependency(typeInstance, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_ReadFields);
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? (uint64)typeInstance->mTypeInfoEx->mMinValue : (uint64)typeInstance->mTypeInfoEx->mMaxValue), typeInstance);
|
|
return true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
switch (primType->mTypeDef->mTypeCode)
|
|
{
|
|
case BfTypeCode_Int8:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? -0x80 : 0x7F), primType);
|
|
return true;
|
|
case BfTypeCode_Int16:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? -0x8000 : 0x7FFF), primType);
|
|
return true;
|
|
case BfTypeCode_Int32:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? (uint64)-0x80000000LL : 0x7FFFFFFF), primType);
|
|
return true;
|
|
case BfTypeCode_Int64:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? (uint64)-0x8000000000000000LL : (uint64)0x7FFFFFFFFFFFFFFFLL), primType);
|
|
return true;
|
|
case BfTypeCode_UInt8:
|
|
case BfTypeCode_Char8:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? 0 : 0xFF), primType);
|
|
return true;
|
|
case BfTypeCode_UInt16:
|
|
case BfTypeCode_Char16:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? 0 : 0xFFFF), primType);
|
|
return true;
|
|
case BfTypeCode_UInt32:
|
|
case BfTypeCode_Char32:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? 0 : (uint64)0xFFFFFFFFLL), primType);
|
|
return true;
|
|
case BfTypeCode_UInt64:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? 0 : (uint64)0xFFFFFFFFFFFFFFFFLL), primType);
|
|
return true;
|
|
case BfTypeCode_IntPtr:
|
|
if (mModule->mSystem->mPtrSize == 8)
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? (uint64)-0x8000000000000000LL : (uint64)0x7FFFFFFFFFFFFFFFLL), primType);
|
|
else
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? (uint64)-0x80000000LL : 0x7FFFFFFF), primType);
|
|
return true;
|
|
case BfTypeCode_UIntPtr:
|
|
if (mModule->mSystem->mPtrSize == 8)
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? 0 : (uint64)0xFFFFFFFFFFFFFFFFLL), primType);
|
|
else
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? 0 : (uint64)0xFFFFFFFFLL), primType);
|
|
return true;
|
|
default: break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (type->IsEnum())
|
|
{
|
|
mModule->Fail(StrFormat("'MinValue' cannot be used on enum with payload '%s'", mModule->TypeToString(type).c_str()), propName);
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail(StrFormat("'%s' cannot be used on type '%s'", memberName.c_str(), mModule->TypeToString(type).c_str()), propName);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
success = false;
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if ((type->IsGenericParam()) && (!mModule->mIsComptimeModule))
|
|
{
|
|
if (mResult.mType != NULL)
|
|
mResult = mModule->GetDefaultTypedValue(mResult.mType, false, Beefy::BfDefaultValueKind_Undef);
|
|
}
|
|
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (typeOfExpr->mTypeRef != NULL))
|
|
{
|
|
autoComplete->CheckTypeRef(typeOfExpr->mTypeRef, false, true);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void BfExprEvaluator::DoTypeIntAttr(BfTypeReference* typeRef, BfTokenNode* commaToken, BfIdentifierNode* memberName, BfToken token)
|
|
{
|
|
auto autoComplete = GetAutoComplete();
|
|
|
|
auto type = mModule->ResolveTypeRef(typeRef, BfPopulateType_Data, BfResolveTypeRefFlag_AutoComplete);
|
|
if (type == NULL)
|
|
return;
|
|
mModule->AddDependency(type, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_LocalUsage); // Local usage ensures it changes when the type data changes
|
|
|
|
auto typeInst = type->ToTypeInstance();
|
|
if ((typeInst != NULL) && (typeInst->mTypeDef->mIsOpaque))
|
|
{
|
|
mModule->Fail(StrFormat("Unable to determine attributes for opaque type '%s'", mModule->TypeToString(type).c_str()), typeRef);
|
|
}
|
|
|
|
BfType* sizeType = mModule->GetPrimitiveType(BfTypeCode_Int32);
|
|
|
|
int attrVal = 0;
|
|
switch (token)
|
|
{
|
|
case BfToken_SizeOf: attrVal = type->mSize; break;
|
|
case BfToken_AlignOf: attrVal = type->mAlign; break;
|
|
case BfToken_StrideOf: attrVal = type->GetStride(); break;
|
|
default: break;
|
|
}
|
|
|
|
if (token == BfToken_OffsetOf)
|
|
{
|
|
bool found = false;
|
|
String findName;
|
|
if (memberName != NULL)
|
|
findName = memberName->ToString();
|
|
|
|
BfAstNode* refNode = typeRef;
|
|
if (memberName != NULL)
|
|
refNode = memberName;
|
|
|
|
auto checkTypeInst = typeInst;
|
|
while (checkTypeInst != NULL)
|
|
{
|
|
checkTypeInst->mTypeDef->PopulateMemberSets();
|
|
|
|
String filter;
|
|
if ((autoComplete != NULL) && (autoComplete->InitAutocomplete(commaToken, memberName, filter)))
|
|
{
|
|
auto activeTypeDef = mModule->GetActiveTypeDef();
|
|
mModule->PopulateType(checkTypeInst);
|
|
|
|
BfProtectionCheckFlags protectionCheckFlags = BfProtectionCheckFlag_None;
|
|
for (auto fieldDef : checkTypeInst->mTypeDef->mFields)
|
|
{
|
|
if (fieldDef->mIsStatic)
|
|
continue;
|
|
|
|
if (!mModule->CheckProtection(protectionCheckFlags, typeInst, fieldDef->mDeclaringType->mProject, fieldDef->mProtection, typeInst))
|
|
continue;
|
|
|
|
if ((!typeInst->IsTypeMemberIncluded(fieldDef->mDeclaringType, activeTypeDef, mModule)) ||
|
|
(!typeInst->IsTypeMemberAccessible(fieldDef->mDeclaringType, activeTypeDef)))
|
|
continue;
|
|
|
|
auto& fieldInst = checkTypeInst->mFieldInstances[fieldDef->mIdx];
|
|
autoComplete->AddField(checkTypeInst, fieldDef, &fieldInst, filter);
|
|
}
|
|
}
|
|
|
|
BfMemberSetEntry* memberSetEntry = NULL;
|
|
if (checkTypeInst->mTypeDef->mFieldSet.TryGetWith(findName, &memberSetEntry))
|
|
{
|
|
auto fieldDef = (BfFieldDef*)memberSetEntry->mMemberDef;
|
|
if (fieldDef != NULL)
|
|
{
|
|
if (fieldDef->mIsStatic)
|
|
mModule->Fail(StrFormat("Cannot generate an offset from static field '%s.%s'", mModule->TypeToString(type).c_str(), fieldDef->mName.c_str()), refNode);
|
|
|
|
mModule->PopulateType(checkTypeInst);
|
|
auto& fieldInst = checkTypeInst->mFieldInstances[fieldDef->mIdx];
|
|
attrVal = fieldInst.mDataOffset;
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
checkTypeInst = checkTypeInst->mBaseType;
|
|
}
|
|
|
|
if (!found)
|
|
{
|
|
mModule->Fail(StrFormat("Unable to locate field '%s.%s'", mModule->TypeToString(type).c_str(), findName.c_str()), refNode);
|
|
}
|
|
}
|
|
|
|
bool isUndefVal = false;
|
|
|
|
if (type->IsGenericParam())
|
|
isUndefVal = true;
|
|
|
|
if (type->IsSizedArray())
|
|
{
|
|
auto sizedArray = (BfSizedArrayType*)type;
|
|
if (sizedArray->mElementCount == -1)
|
|
isUndefVal = true;
|
|
}
|
|
|
|
if (isUndefVal)
|
|
{
|
|
// We do this so we know it's a constant but we can't assume anything about its value
|
|
// We make the value an Int32 which doesn't match the IntPtr type, but it allows us to
|
|
// assume it can be implicitly cased to int32
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->GetUndefConstValue(mModule->mBfIRBuilder->MapType(sizeType)), sizeType);
|
|
}
|
|
else
|
|
mResult = BfTypedValue(mModule->GetConstValue(attrVal, sizeType), sizeType);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfSizeOfExpression* sizeOfExpr)
|
|
{
|
|
DoTypeIntAttr(sizeOfExpr->mTypeRef, NULL, NULL, BfToken_SizeOf);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfAlignOfExpression* alignOfExpr)
|
|
{
|
|
DoTypeIntAttr(alignOfExpr->mTypeRef, NULL, NULL, BfToken_AlignOf);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfStrideOfExpression* strideOfExpr)
|
|
{
|
|
DoTypeIntAttr(strideOfExpr->mTypeRef, NULL, NULL, BfToken_StrideOf);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfOffsetOfExpression* offsetOfExpr)
|
|
{
|
|
DoTypeIntAttr(offsetOfExpr->mTypeRef, offsetOfExpr->mCommaToken, offsetOfExpr->mMemberName, BfToken_OffsetOf);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfNameOfExpression* nameOfExpr)
|
|
{
|
|
String name;
|
|
|
|
if (mModule->IsInSpecializedGeneric())
|
|
{
|
|
if (auto identifierNode = BfNodeDynCastExact<BfIdentifierNode>(nameOfExpr->mTarget))
|
|
{
|
|
// This is necessary so we don't resolve 'T' to the actual generic argument type
|
|
name = identifierNode->ToString();
|
|
}
|
|
}
|
|
|
|
if (name.IsEmpty())
|
|
{
|
|
auto type = mModule->ResolveTypeRef(nameOfExpr->mTarget, {}, BfPopulateType_IdentityNoRemapAlias,
|
|
(BfResolveTypeRefFlags)(BfResolveTypeRefFlag_AllowUnboundGeneric | BfResolveTypeRefFlag_IgnoreLookupError | BfResolveTypeRefFlag_IgnoreProtection));
|
|
if (type != NULL)
|
|
{
|
|
auto typeInst = type->ToTypeInstance();
|
|
if (typeInst != NULL)
|
|
name = typeInst->mTypeDef->mName->ToString();
|
|
else
|
|
name = mModule->TypeToString(type);
|
|
|
|
mModule->AddDependency(type, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_NameReference);
|
|
|
|
// Just do this for autocomplete
|
|
SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, true);
|
|
VisitChild(nameOfExpr->mTarget);
|
|
}
|
|
}
|
|
|
|
if (name.IsEmpty())
|
|
{
|
|
if (auto identifer = BfNodeDynCast<BfIdentifierNode>(nameOfExpr->mTarget))
|
|
{
|
|
String targetStr = nameOfExpr->mTarget->ToString();
|
|
BfAtomComposite targetComposite;
|
|
bool isValid = mModule->mSystem->ParseAtomComposite(targetStr, targetComposite);
|
|
bool namespaceExists = false;
|
|
|
|
BfProject* bfProject = NULL;
|
|
auto activeTypeDef = mModule->GetActiveTypeDef();
|
|
if (activeTypeDef != NULL)
|
|
bfProject = activeTypeDef->mProject;
|
|
auto _CheckProject = [&](BfProject* project)
|
|
{
|
|
if ((isValid) && (project->mNamespaces.ContainsKey(targetComposite)))
|
|
namespaceExists = true;
|
|
};
|
|
|
|
if (bfProject != NULL)
|
|
{
|
|
for (int depIdx = -1; depIdx < (int)bfProject->mDependencies.size(); depIdx++)
|
|
{
|
|
BfProject* depProject = (depIdx == -1) ? bfProject : bfProject->mDependencies[depIdx];
|
|
_CheckProject(depProject);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (auto project : mModule->mSystem->mProjects)
|
|
_CheckProject(project);
|
|
}
|
|
|
|
if (namespaceExists)
|
|
{
|
|
if (mModule->mCompiler->mResolvePassData != NULL)
|
|
{
|
|
if (auto sourceClassifier = mModule->mCompiler->mResolvePassData->GetSourceClassifier(nameOfExpr->mTarget))
|
|
{
|
|
BfAstNode* checkIdentifier = identifer;
|
|
while (true)
|
|
{
|
|
auto qualifiedIdentifier = BfNodeDynCast<BfQualifiedNameNode>(checkIdentifier);
|
|
if (qualifiedIdentifier == NULL)
|
|
break;
|
|
sourceClassifier->SetElementType(qualifiedIdentifier->mRight, BfSourceElementType_Namespace);
|
|
checkIdentifier = qualifiedIdentifier->mLeft;
|
|
}
|
|
|
|
sourceClassifier->SetElementType(checkIdentifier, BfSourceElementType_Namespace);
|
|
}
|
|
}
|
|
|
|
name = targetComposite.mParts[targetComposite.mSize - 1]->ToString();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (name.IsEmpty())
|
|
{
|
|
SetAndRestoreValue<BfEvalExprFlags> prevFlags(mBfEvalExprFlags, (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_NameOf));
|
|
SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mBfIRBuilder->mIgnoreWrites, true);
|
|
VisitChild(nameOfExpr->mTarget);
|
|
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_NameOfSuccess) != 0)
|
|
{
|
|
BfAstNode* nameNode = nameOfExpr->mTarget;
|
|
if (auto attributedIdentifierNode = BfNodeDynCast<BfAttributedIdentifierNode>(nameNode))
|
|
nameNode = attributedIdentifierNode->mIdentifier;
|
|
if (auto memberReferenceExpr = BfNodeDynCast<BfMemberReferenceExpression>(nameNode))
|
|
nameNode = memberReferenceExpr->mMemberName;
|
|
if (auto qualifiedNameNode = BfNodeDynCast<BfQualifiedNameNode>(nameNode))
|
|
nameNode = qualifiedNameNode->mRight;
|
|
name = nameNode->ToString();
|
|
}
|
|
else if (mResultFieldInstance != NULL)
|
|
{
|
|
auto fieldDef = mResultFieldInstance->GetFieldDef();
|
|
if (fieldDef != NULL)
|
|
name = fieldDef->mName;
|
|
}
|
|
else if (mResultLocalVar != NULL)
|
|
{
|
|
name = mResultLocalVar->mName;
|
|
}
|
|
else if (mPropDef != NULL)
|
|
{
|
|
name = mPropDef->mName;
|
|
}
|
|
}
|
|
|
|
if ((name.IsEmpty()) && (nameOfExpr->mTarget != NULL))
|
|
mModule->Fail("Expression does not have a name", nameOfExpr->mTarget);
|
|
|
|
mResult = BfTypedValue(mModule->GetStringObjectValue(name), mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfIsConstExpression* isConstExpr)
|
|
{
|
|
if (isConstExpr->mExpression == NULL)
|
|
{
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, 0), mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
return;
|
|
}
|
|
|
|
BfMethodState methodState;
|
|
SetAndRestoreValue<BfMethodState*> prevMethodState(mModule->mCurMethodState, &methodState, false);
|
|
if (mModule->mCurMethodState == NULL)
|
|
prevMethodState.Set();
|
|
methodState.mTempKind = BfMethodState::TempKind_NonStatic;
|
|
|
|
SetAndRestoreValue<bool> ignoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
|
|
SetAndRestoreValue<bool> allowUninitReads(mModule->mCurMethodState->mAllowUinitReads, true);
|
|
|
|
BfEvalExprFlags exprFlags = BfEvalExprFlags_None;
|
|
|
|
auto result = mModule->CreateValueFromExpression(isConstExpr->mExpression, NULL, BfEvalExprFlags_DeclType);
|
|
bool isConst = mModule->mBfIRBuilder->IsConstValue(result.mValue);
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, isConst ? 1 : 0), mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfDefaultExpression* defaultExpr)
|
|
{
|
|
auto autoComplete = GetAutoComplete();
|
|
if (autoComplete != NULL)
|
|
autoComplete->CheckTypeRef(defaultExpr->mTypeRef, false, true);
|
|
|
|
BfType* type = NULL;
|
|
if (defaultExpr->mOpenParen == NULL)
|
|
{
|
|
if (mExpectingType)
|
|
{
|
|
type = mExpectingType;
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail("Type cannot be inferred, consider adding explicit type name", defaultExpr);
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
type = mModule->ResolveTypeRef(defaultExpr->mTypeRef);
|
|
if (type == NULL)
|
|
return;
|
|
|
|
BfDefaultValueKind defaultKind = BfDefaultValueKind_Const;
|
|
if (type->IsRef())
|
|
{
|
|
mModule->Fail(StrFormat("There is no default value for type '%s'", mModule->TypeToString(type).c_str()), defaultExpr);
|
|
defaultKind = BfDefaultValueKind_Addr;
|
|
}
|
|
|
|
mModule->ValidateAllocation(type, defaultExpr->mTypeRef);
|
|
mModule->AddDependency(type, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_ExprTypeReference);
|
|
mResult = mModule->GetDefaultTypedValue(type, true, defaultKind);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfUninitializedExpression* uninitialziedExpr)
|
|
{
|
|
mModule->Fail("Invalid use of the '?' uninitialized specifier", uninitialziedExpr);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfCheckTypeExpression* checkTypeExpr)
|
|
{
|
|
auto targetValue = mModule->CreateValueFromExpression(checkTypeExpr->mTarget, NULL, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
|
|
if (!targetValue)
|
|
return;
|
|
|
|
if (checkTypeExpr->mTypeRef == NULL)
|
|
{
|
|
mModule->AssertErrorState();
|
|
return;
|
|
}
|
|
|
|
auto autoComplete = GetAutoComplete();
|
|
if (autoComplete != NULL)
|
|
autoComplete->CheckTypeRef(checkTypeExpr->mTypeRef, false, true);
|
|
|
|
auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
|
|
|
|
if (checkTypeExpr->mTypeRef->IsA<BfVarTypeReference>())
|
|
{
|
|
bool isVar = false;
|
|
if ((targetValue.mType != NULL) && (targetValue.mType->IsVar()))
|
|
{
|
|
auto irb = mModule->mBfIRBuilder;
|
|
BfIRValue boolResult = mModule->CreateAlloca(boolType);
|
|
irb->CreateAlignedStore(irb->CreateConst(BfTypeCode_Boolean, 1), boolResult, 1);
|
|
mResult = BfTypedValue(irb->CreateAlignedLoad(boolResult, 1), boolType);
|
|
}
|
|
else
|
|
mResult = BfTypedValue(mModule->GetConstValue(0, boolType), boolType);
|
|
return;
|
|
}
|
|
|
|
auto targetType = mModule->ResolveTypeRef(checkTypeExpr->mTypeRef, BfPopulateType_Declaration);
|
|
if (!targetType)
|
|
{
|
|
mModule->AssertErrorState();
|
|
return;
|
|
}
|
|
|
|
mModule->AddDependency(targetType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_ExprTypeReference);
|
|
|
|
if (targetValue.mType->IsVar())
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(boolType, false, BfDefaultValueKind_Undef);
|
|
return;
|
|
}
|
|
|
|
if (targetValue.mType->IsValueTypeOrValueTypePtr())
|
|
{
|
|
auto typeInstance = targetValue.mType->ToTypeInstance();
|
|
if (targetValue.mType->IsWrappableType())
|
|
typeInstance = mModule->GetWrappedStructType(targetValue.mType);
|
|
|
|
bool matches = (targetValue.mType == targetType) || (mModule->mContext->mBfObjectType == targetType);
|
|
|
|
if (!matches)
|
|
matches = mModule->TypeIsSubTypeOf(typeInstance, targetType->ToTypeInstance());
|
|
|
|
if (!typeInstance->IsGenericParam())
|
|
{
|
|
if (matches)
|
|
mModule->Warn(0, "The result of this operation is always 'true'", checkTypeExpr->mIsToken);
|
|
else
|
|
mModule->Warn(0, "The result of this operation is always 'false'", checkTypeExpr->mIsToken);
|
|
}
|
|
|
|
mResult = BfTypedValue(mModule->GetConstValue(matches ? 1 : 0, boolType), boolType);
|
|
return;
|
|
}
|
|
|
|
if (targetType->IsValueType())
|
|
{
|
|
if ((targetValue.mType != mModule->mContext->mBfObjectType) && (!targetValue.mType->IsInterface()))
|
|
{
|
|
mResult = BfTypedValue(mModule->GetConstValue(0, boolType), boolType);
|
|
return;
|
|
}
|
|
}
|
|
|
|
int wantTypeId = 0;
|
|
if (!targetType->IsGenericParam())
|
|
wantTypeId = targetType->mTypeId;
|
|
|
|
auto objectType = mModule->mContext->mBfObjectType;
|
|
mModule->PopulateType(objectType, BfPopulateType_Full);
|
|
|
|
targetValue = mModule->LoadValue(targetValue);
|
|
|
|
BfTypeInstance* srcTypeInstance = targetValue.mType->ToTypeInstance();
|
|
BfTypeInstance* targetTypeInstance = targetType->ToTypeInstance();
|
|
bool wasGenericParamType = false;
|
|
|
|
if ((srcTypeInstance != NULL) && (targetTypeInstance != NULL))
|
|
{
|
|
if (mModule->TypeIsSubTypeOf(srcTypeInstance, targetTypeInstance))
|
|
{
|
|
// We don't give this warning when we have wasGenericParmType set because that indicates we had a generic type constraint,
|
|
// and a type constraint infers that the ACTUAL type used will be equal to or derived from that type and therefore
|
|
// it may be a "necessary cast" indeed
|
|
if ((!wasGenericParamType) && (mModule->mCurMethodState->mMixinState == NULL))
|
|
{
|
|
if (srcTypeInstance == targetType)
|
|
mModule->Warn(BfWarning_BF4203_UnnecessaryDynamicCast, StrFormat("Unnecessary check, the value is already type '%s'",
|
|
mModule->TypeToString(srcTypeInstance).c_str()), checkTypeExpr->mIsToken);
|
|
else
|
|
mModule->Warn(BfWarning_BF4203_UnnecessaryDynamicCast, StrFormat("Unnecessary check, '%s' is a subtype of '%s'",
|
|
mModule->TypeToString(srcTypeInstance).c_str(), mModule->TypeToString(targetType).c_str()), checkTypeExpr->mIsToken);
|
|
}
|
|
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, 1), boolType);
|
|
return;
|
|
}
|
|
else if ((!targetType->IsInterface()) && (srcTypeInstance != mModule->mContext->mBfObjectType) && (!mModule->TypeIsSubTypeOf(targetTypeInstance, srcTypeInstance)))
|
|
{
|
|
mModule->Fail(StrFormat("Cannot convert type '%s' to '%s' via any conversion",
|
|
mModule->TypeToString(targetValue.mType).c_str(), mModule->TypeToString(targetTypeInstance).c_str()), checkTypeExpr->mIsToken);
|
|
}
|
|
}
|
|
|
|
if (mModule->mCompiler->IsAutocomplete())
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(boolType, false, BfDefaultValueKind_Addr);
|
|
return;
|
|
}
|
|
|
|
auto irb = mModule->mBfIRBuilder;
|
|
auto prevBB = mModule->mBfIRBuilder->GetInsertBlock();
|
|
auto matchBB = mModule->mBfIRBuilder->CreateBlock("is.match");
|
|
auto endBB = mModule->mBfIRBuilder->CreateBlock("is.done");
|
|
|
|
BfIRValue boolResult = mModule->CreateAlloca(boolType);
|
|
irb->CreateAlignedStore(irb->CreateConst(BfTypeCode_Boolean, 0), boolResult, 1);
|
|
|
|
mModule->EmitDynamicCastCheck(targetValue, targetType, matchBB, endBB);
|
|
|
|
mModule->AddBasicBlock(matchBB);
|
|
irb->CreateAlignedStore(irb->CreateConst(BfTypeCode_Boolean, 1), boolResult, 1);
|
|
irb->CreateBr(endBB);
|
|
|
|
mModule->AddBasicBlock(endBB);
|
|
mResult = BfTypedValue(irb->CreateAlignedLoad(boolResult, 1), boolType);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfDynamicCastExpression* dynCastExpr)
|
|
{
|
|
auto targetValue = mModule->CreateValueFromExpression(dynCastExpr->mTarget);
|
|
auto targetType = mModule->ResolveTypeRefAllowUnboundGenerics(dynCastExpr->mTypeRef, BfPopulateType_Data, BfResolveTypeRefFlag_None, false);
|
|
|
|
auto autoComplete = GetAutoComplete();
|
|
if (autoComplete != NULL)
|
|
{
|
|
autoComplete->CheckTypeRef(dynCastExpr->mTypeRef, false, true);
|
|
}
|
|
|
|
auto origTargetType = targetType;
|
|
|
|
if (!targetValue)
|
|
return;
|
|
if (!targetType)
|
|
{
|
|
mModule->AssertErrorState();
|
|
return;
|
|
}
|
|
|
|
bool wasGenericParamType = false;
|
|
if (targetType->IsGenericParam())
|
|
{
|
|
//targetType = mModule->ResolveGenericType(targetType);
|
|
//wasGenericParamType = true;
|
|
}
|
|
|
|
if ((targetValue.mType->IsMethodRef()) || (targetType->IsMethodRef()))
|
|
{
|
|
// We can never cast a MethodRef to any class type
|
|
mResult = mModule->GetDefaultTypedValue(targetType);
|
|
return;
|
|
}
|
|
|
|
if (mModule->mContext->mResolvingVarField)
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(targetType);
|
|
return;
|
|
}
|
|
|
|
mModule->AddDependency(targetType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_ExprTypeReference);
|
|
|
|
if (targetType->IsGenericParam())
|
|
{
|
|
wasGenericParamType = true;
|
|
BfGenericParamInstance* origGenericParam = NULL;
|
|
int pass = 0;
|
|
while ((targetType != NULL) && (targetType->IsGenericParam()))
|
|
{
|
|
auto genericParamType = (BfGenericParamType*)targetType;
|
|
auto genericParam = mModule->GetGenericParamInstance(genericParamType);
|
|
if (pass == 0)
|
|
origGenericParam = genericParam;
|
|
auto typeConstraint = genericParam->mTypeConstraint;
|
|
if ((typeConstraint == NULL) && (genericParam->mGenericParamFlags & (BfGenericParamFlag_Class | BfGenericParamFlag_Interface)))
|
|
typeConstraint = mModule->mContext->mBfObjectType;
|
|
targetType = typeConstraint;
|
|
if (++pass >= 100) // Sanity - but we should have caught circular error before
|
|
break;
|
|
}
|
|
|
|
if ((targetType == NULL) || (!targetType->IsObjectOrInterface()))
|
|
{
|
|
mModule->Fail(StrFormat("The type parameter '%s' cannot be used with the 'as' operator because it does not have a class type constraint nor a 'class' or 'interface' constraint",
|
|
origGenericParam->GetGenericParamDef()->mName.c_str()), dynCastExpr->mTypeRef);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (targetType->IsVar())
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(targetType);
|
|
return;
|
|
}
|
|
|
|
if ((!targetType->IsObjectOrInterface()) && (!targetType->IsNullable()))
|
|
{
|
|
mModule->Fail(StrFormat("The as operator must be used with a reference type or nullable type ('%s' is a non-nullable value type)",
|
|
mModule->TypeToString(origTargetType).c_str()), dynCastExpr->mTypeRef);
|
|
return;
|
|
}
|
|
|
|
if (targetValue.mType->IsGenericParam())
|
|
{
|
|
auto genericParamType = (BfGenericParamType*)targetValue.mType;
|
|
auto genericParam = mModule->GetGenericParamInstance(genericParamType);
|
|
auto typeConstraint = genericParam->mTypeConstraint;
|
|
if (typeConstraint == NULL)
|
|
typeConstraint = mModule->mContext->mBfObjectType;
|
|
|
|
if ((typeConstraint->IsDelegate()) && (typeConstraint == targetType))
|
|
{
|
|
// Delegate constraints may be matched by valueless method references, so this won't always match (don't warn)
|
|
mResult = mModule->GetDefaultTypedValue(targetType);
|
|
return;
|
|
}
|
|
|
|
targetValue = mModule->GetDefaultTypedValue(typeConstraint);
|
|
}
|
|
|
|
auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
|
|
|
|
auto _CheckResult = [&]()
|
|
{
|
|
if ((mResult) && (origTargetType->IsGenericParam()))
|
|
mResult = mModule->GetDefaultTypedValue(origTargetType, false, BfDefaultValueKind_Undef);
|
|
};
|
|
|
|
if ((targetValue.mType->IsNullable()) && (targetType->IsInterface()))
|
|
{
|
|
mResult = mModule->Cast(dynCastExpr, targetValue, targetType, BfCastFlags_SilentFail);
|
|
if (!mResult)
|
|
{
|
|
mModule->Warn(0, StrFormat("Conversion from '%s' to '%s' will always be null",
|
|
mModule->TypeToString(targetValue.mType).c_str(), mModule->TypeToString(origTargetType).c_str()), dynCastExpr->mAsToken);
|
|
mResult = BfTypedValue(mModule->GetDefaultValue(origTargetType), origTargetType);
|
|
}
|
|
_CheckResult();
|
|
return;
|
|
}
|
|
|
|
if (targetValue.mType->IsVar())
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(targetType, false, BfDefaultValueKind_Undef);
|
|
return;
|
|
}
|
|
|
|
if (targetValue.mType->IsValueTypeOrValueTypePtr())
|
|
{
|
|
mModule->Warn(0, StrFormat("Type '%s' is not applicable for dynamic casting",
|
|
mModule->TypeToString(targetValue.mType).c_str()), dynCastExpr->mAsToken);
|
|
|
|
auto typeInstance = targetValue.mType->ToTypeInstance();
|
|
if (targetValue.mType->IsWrappableType())
|
|
typeInstance = mModule->GetWrappedStructType(targetValue.mType);
|
|
|
|
bool matches = (targetValue.mType == targetType) || (mModule->mContext->mBfObjectType == targetType);
|
|
|
|
if (targetType->IsNullable())
|
|
{
|
|
auto elementType = targetType->GetUnderlyingType();
|
|
if (elementType == targetValue.mType)
|
|
{
|
|
mModule->mBfIRBuilder->PopulateType(targetType);
|
|
|
|
// We match nullable element
|
|
auto allocaInst = mModule->CreateAlloca(targetType);
|
|
auto hasValueAddr = mModule->mBfIRBuilder->CreateInBoundsGEP(allocaInst, 0, 2); // has_value
|
|
mModule->mBfIRBuilder->CreateStore(mModule->GetConstValue(1, boolType), hasValueAddr);
|
|
hasValueAddr = mModule->mBfIRBuilder->CreateInBoundsGEP(allocaInst, 0, 1); // value
|
|
mModule->mBfIRBuilder->CreateStore(targetValue.mValue, hasValueAddr);
|
|
mResult = BfTypedValue(allocaInst, targetType, true);
|
|
_CheckResult();
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (!matches)
|
|
matches = mModule->TypeIsSubTypeOf(typeInstance, targetType->ToTypeInstance());
|
|
|
|
if (matches)
|
|
mResult = mModule->Cast(dynCastExpr, targetValue, targetType, BfCastFlags_Explicit);
|
|
else if (targetType->IsNullable())
|
|
{
|
|
auto allocaInst = mModule->CreateAlloca(targetType);
|
|
auto allocaBits = mModule->mBfIRBuilder->CreateBitCast(allocaInst, mModule->mBfIRBuilder->GetPrimitiveType(BfTypeCode_NullPtr));
|
|
mModule->mBfIRBuilder->CreateMemSet(allocaBits, mModule->GetConstValue(0, mModule->GetPrimitiveType(BfTypeCode_Int8)),
|
|
mModule->GetConstValue(targetType->mSize), targetType->mAlign);
|
|
mResult = BfTypedValue(allocaInst, targetType, true);
|
|
}
|
|
else
|
|
mResult = BfTypedValue(mModule->GetDefaultValue(targetType), targetType);
|
|
_CheckResult();
|
|
return;
|
|
}
|
|
|
|
if (targetType->IsNullable())
|
|
{
|
|
if (autoComplete != NULL)
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(targetType);
|
|
return;
|
|
}
|
|
|
|
auto elementType = targetType->GetUnderlyingType();
|
|
auto allocaInst = mModule->CreateAlloca(targetType);
|
|
auto hasValueAddr = mModule->mBfIRBuilder->CreateInBoundsGEP(allocaInst, 0, elementType->IsValuelessType() ? 1 : 2); // has_value
|
|
mModule->mBfIRBuilder->CreateStore(mModule->GetConstValue(0, boolType), hasValueAddr);
|
|
|
|
auto objectType = mModule->mContext->mBfObjectType;
|
|
|
|
auto prevBB = mModule->mBfIRBuilder->GetInsertBlock();
|
|
auto matchBB = mModule->mBfIRBuilder->CreateBlock("as.match");
|
|
auto endBB = mModule->mBfIRBuilder->CreateBlock("as.end");
|
|
|
|
mModule->EmitDynamicCastCheck(targetValue, elementType, matchBB, endBB);
|
|
|
|
BfBoxedType* boxedType = mModule->CreateBoxedType(elementType);
|
|
|
|
mModule->AddBasicBlock(matchBB);
|
|
if (elementType->IsValuelessType())
|
|
{
|
|
auto hasValueAddr = mModule->mBfIRBuilder->CreateInBoundsGEP(allocaInst, 0, 1); // has_value
|
|
mModule->mBfIRBuilder->CreateStore(mModule->GetConstValue(1, boolType), hasValueAddr);
|
|
}
|
|
else
|
|
{
|
|
auto hasValueAddr = mModule->mBfIRBuilder->CreateInBoundsGEP(allocaInst, 0, 2); // has_value
|
|
mModule->mBfIRBuilder->CreateStore(mModule->GetConstValue(1, boolType), hasValueAddr);
|
|
auto nullableValueAddr = mModule->mBfIRBuilder->CreateInBoundsGEP(allocaInst, 0, 1); // value
|
|
auto srcBoxedType = mModule->mBfIRBuilder->CreateBitCast(targetValue.mValue, mModule->mBfIRBuilder->MapType(boxedType, BfIRPopulateType_Full));
|
|
auto boxedValueAddr = mModule->mBfIRBuilder->CreateInBoundsGEP(srcBoxedType, 0, 1); // mValue
|
|
auto boxedValue = mModule->mBfIRBuilder->CreateLoad(boxedValueAddr);
|
|
mModule->mBfIRBuilder->CreateStore(boxedValue, nullableValueAddr);
|
|
}
|
|
mModule->mBfIRBuilder->CreateBr(endBB);
|
|
|
|
mModule->AddBasicBlock(endBB);
|
|
mResult = BfTypedValue(allocaInst, targetType, true);
|
|
_CheckResult();
|
|
return;
|
|
}
|
|
|
|
targetValue = mModule->LoadValue(targetValue);
|
|
|
|
if (targetType->IsValueType())
|
|
{
|
|
mModule->Fail("Invalid dynamic cast type", dynCastExpr->mTypeRef);
|
|
return;
|
|
}
|
|
|
|
BfTypeInstance* srcTypeInstance = targetValue.mType->ToTypeInstance();
|
|
BfTypeInstance* targetTypeInstance = targetType->ToTypeInstance();
|
|
|
|
if (mModule->TypeIsSubTypeOf(srcTypeInstance, targetTypeInstance))
|
|
{
|
|
// We don't give this warning when we have wasGenericParmType set because that indicates we had a generic type constraint,
|
|
// and a type constraint infers that the ACTUAL type used will be equal to or derived from that type and therefore
|
|
// it may be a "necessary cast" indeed
|
|
if ((!wasGenericParamType) && (mModule->mCurMethodState->mMixinState == NULL))
|
|
{
|
|
if (srcTypeInstance == targetType)
|
|
mModule->Warn(BfWarning_BF4203_UnnecessaryDynamicCast, StrFormat("Unnecessary cast, the value is already type '%s'",
|
|
mModule->TypeToString(srcTypeInstance).c_str()), dynCastExpr->mAsToken);
|
|
else
|
|
mModule->Warn(BfWarning_BF4203_UnnecessaryDynamicCast, StrFormat("Unnecessary cast, '%s' is a subtype of '%s'",
|
|
mModule->TypeToString(srcTypeInstance).c_str(), mModule->TypeToString(targetType).c_str()), dynCastExpr->mAsToken);
|
|
}
|
|
|
|
auto castedValue = mModule->mBfIRBuilder->CreateBitCast(targetValue.mValue, mModule->mBfIRBuilder->MapType(targetTypeInstance));
|
|
mResult = BfTypedValue(castedValue, targetTypeInstance);
|
|
_CheckResult();
|
|
return;
|
|
}
|
|
else if ((!targetType->IsInterface()) && (!mModule->TypeIsSubTypeOf(targetTypeInstance, srcTypeInstance)))
|
|
{
|
|
if (!mModule->IsInSpecializedSection())
|
|
{
|
|
mModule->Fail(StrFormat("Cannot convert type '%s' to '%s' via any conversion",
|
|
mModule->TypeToString(targetValue.mType).c_str(), mModule->TypeToString(targetTypeInstance).c_str()), dynCastExpr->mAsToken);
|
|
}
|
|
mResult = mModule->GetDefaultTypedValue(targetType);
|
|
return;
|
|
}
|
|
|
|
if (autoComplete != NULL)
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(targetType, false, BfDefaultValueKind_Addr);
|
|
_CheckResult();
|
|
return;
|
|
}
|
|
|
|
auto irb = mModule->mBfIRBuilder;
|
|
auto objectType = mModule->mContext->mBfObjectType;
|
|
mModule->PopulateType(objectType, BfPopulateType_Full);
|
|
|
|
auto prevBB = mModule->mBfIRBuilder->GetInsertBlock();
|
|
auto endBB = mModule->mBfIRBuilder->CreateBlock("as.end");
|
|
auto matchBlock = irb->CreateBlock("as.match");
|
|
|
|
BfIRValue targetVal = mModule->CreateAlloca(targetType);
|
|
irb->CreateAlignedStore(irb->CreateConstNull(irb->MapType(targetType)), targetVal, targetType->mAlign);
|
|
|
|
mModule->EmitDynamicCastCheck(targetValue, targetType, matchBlock, endBB);
|
|
|
|
mModule->AddBasicBlock(matchBlock);
|
|
BfIRValue castedCallResult = mModule->mBfIRBuilder->CreateBitCast(targetValue.mValue, mModule->mBfIRBuilder->MapType(targetType));
|
|
irb->CreateAlignedStore(castedCallResult, targetVal, targetValue.mType->mAlign);
|
|
irb->CreateBr(endBB);
|
|
|
|
mModule->AddBasicBlock(endBB);
|
|
mResult = BfTypedValue(irb->CreateAlignedLoad(targetVal, targetType->mAlign), targetType);
|
|
_CheckResult();
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfCastExpression* castExpr)
|
|
{
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (castExpr->mTypeRef != NULL))
|
|
{
|
|
// 'mayBeIdentifier' because this may be a misidentified cast - it could be a parenthesized expression
|
|
autoComplete->CheckTypeRef(castExpr->mTypeRef, true, true);
|
|
}
|
|
|
|
BfType* resolvedType = NULL;
|
|
|
|
if ((BfNodeDynCastExact<BfDotTypeReference>(castExpr->mTypeRef) != NULL) && (mExpectingType != NULL))
|
|
{
|
|
//mModule->SetElementType(castExpr->mTypeRef, BfSourceElementType_TypeRef);
|
|
resolvedType = mExpectingType;
|
|
}
|
|
else
|
|
resolvedType = ResolveTypeRef(castExpr->mTypeRef);
|
|
if (resolvedType != NULL)
|
|
mModule->AddDependency(resolvedType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_LocalUsage);
|
|
// If resolvedType is NULL then that's okay- we just leave the following expression uncasted
|
|
|
|
if (castExpr->mExpression == NULL)
|
|
{
|
|
mModule->AssertErrorState();
|
|
return;
|
|
}
|
|
|
|
auto exprFlags = (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_NoAutoComplete) | BfEvalExprFlags_ExplicitCast);
|
|
mResult = mModule->CreateValueFromExpression(castExpr->mExpression, resolvedType, exprFlags);
|
|
}
|
|
|
|
bool BfExprEvaluator::IsExactMethodMatch(BfMethodInstance* methodA, BfMethodInstance* methodB, bool ignoreImplicitParams)
|
|
{
|
|
if (methodA->mReturnType != methodB->mReturnType)
|
|
return false;
|
|
int implicitParamCountA = methodA->GetImplicitParamCount();
|
|
if (methodA->HasExplicitThis())
|
|
implicitParamCountA++;
|
|
int implicitParamCountB = methodB->GetImplicitParamCount();
|
|
if (methodB->HasExplicitThis())
|
|
implicitParamCountB++;
|
|
|
|
if (methodA->GetParamCount() - implicitParamCountA != methodB->GetParamCount() - implicitParamCountB)
|
|
return false;
|
|
for (int i = 0; i < (int)methodA->GetParamCount() - implicitParamCountA; i++)
|
|
{
|
|
auto paramA = methodA->GetParamType(i + implicitParamCountA);
|
|
auto paramB = methodB->GetParamType(i + implicitParamCountB);
|
|
if (paramA != paramB)
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void BfExprEvaluator::ConstResolve(BfExpression* expr)
|
|
{
|
|
BfConstResolver constResolver(mModule);
|
|
constResolver.Resolve(expr);
|
|
mResult = constResolver.mResult;
|
|
}
|
|
|
|
BfTypeInstance* BfExprEvaluator::VerifyBaseDelegateType(BfTypeInstance* baseDelegateType)
|
|
{
|
|
mModule->PopulateType(baseDelegateType, BfPopulateType_DataAndMethods);
|
|
if (baseDelegateType->mFieldInstances.size() != 2)
|
|
{
|
|
mModule->AssertErrorState();
|
|
return NULL;
|
|
}
|
|
return baseDelegateType;
|
|
}
|
|
|
|
bool BfExprEvaluator::CanBindDelegate(BfDelegateBindExpression* delegateBindExpr, BfMethodInstance** boundMethod, BfType* origMethodExpectingType, BfTypeVector* methodGenericArgumentsSubstitute)
|
|
{
|
|
if ((mExpectingType == NULL) && (origMethodExpectingType == NULL))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool isGenericMatch = mExpectingType == NULL;
|
|
auto expectingType = mExpectingType;
|
|
if (expectingType == NULL)
|
|
expectingType = origMethodExpectingType;
|
|
|
|
auto typeInstance = expectingType->ToTypeInstance();
|
|
if ((typeInstance == NULL) ||
|
|
((!typeInstance->mTypeDef->mIsDelegate) && (!typeInstance->mTypeDef->mIsFunction)))
|
|
return false;
|
|
|
|
mModule->PopulateType(typeInstance, BfPopulateType_DataAndMethods);
|
|
|
|
auto methodInstance = mModule->GetRawMethodInstanceAtIdx(typeInstance, 0, "Invoke");
|
|
if (methodInstance == NULL)
|
|
{
|
|
BF_DBG_FATAL("Invoke not found");
|
|
return false;
|
|
}
|
|
|
|
if (delegateBindExpr->mTarget == NULL)
|
|
return false;
|
|
|
|
BfAutoParentNodeEntry autoParentNodeEntry(mModule, delegateBindExpr);
|
|
SizedArray<BfTypedValueExpression, 4> typedValueExprs;
|
|
typedValueExprs.resize(methodInstance->GetParamCount());
|
|
|
|
SizedArray<BfExpression*, 4> args;
|
|
args.resize(methodInstance->GetParamCount());
|
|
|
|
auto _FixType = [&](BfType* type)
|
|
{
|
|
if (!isGenericMatch)
|
|
return type;
|
|
auto fixedType = mModule->ResolveGenericType(type, NULL, methodGenericArgumentsSubstitute, mModule->mCurTypeInstance);
|
|
if (fixedType != NULL)
|
|
return fixedType;
|
|
return (BfType*)mModule->GetPrimitiveType(BfTypeCode_Var);
|
|
};
|
|
|
|
auto _TypeMatches = [&](BfType* lhs, BfType* rhs)
|
|
{
|
|
if (lhs == rhs)
|
|
return true;
|
|
return lhs->IsVar();
|
|
};
|
|
|
|
for (int i = 0; i < (int) methodInstance->GetParamCount(); i++)
|
|
{
|
|
auto typedValueExpr = &typedValueExprs[i];
|
|
typedValueExpr->mTypedValue.mValue = BfIRValue(BfIRValueFlags_Value, -1);
|
|
typedValueExpr->mTypedValue.mType = _FixType(methodInstance->GetParamType(i));
|
|
typedValueExpr->mRefNode = NULL;
|
|
args[i] = typedValueExpr;
|
|
}
|
|
|
|
BfMethodGenericArguments methodGenericArgs;
|
|
if (delegateBindExpr->mGenericArgs != NULL)
|
|
methodGenericArgs.mArguments = &delegateBindExpr->mGenericArgs->mGenericArgs;
|
|
|
|
BfFunctionBindResult bindResult;
|
|
bindResult.mSkipMutCheck = true; // Allow operating on copies
|
|
bindResult.mBindType = expectingType;
|
|
mFunctionBindResult = &bindResult;
|
|
SetAndRestoreValue<bool> ignoreError(mModule->mIgnoreErrors, true);
|
|
DoInvocation(delegateBindExpr->mTarget, delegateBindExpr, args, methodGenericArgs);
|
|
mFunctionBindResult = NULL;
|
|
if (bindResult.mMethodInstance == NULL)
|
|
return false;
|
|
if (boundMethod != NULL)
|
|
*boundMethod = bindResult.mMethodInstance;
|
|
|
|
auto matchedMethod = bindResult.mMethodInstance;
|
|
|
|
if (!_TypeMatches(_FixType(methodInstance->mReturnType), matchedMethod->mReturnType))
|
|
return false;
|
|
|
|
int implicitParamCountA = methodInstance->GetImplicitParamCount();
|
|
int implicitParamCountB = matchedMethod->GetImplicitParamCount();
|
|
|
|
if (methodInstance->GetParamCount() - implicitParamCountA != matchedMethod->GetParamCount() - implicitParamCountB)
|
|
return false;
|
|
for (int i = 0; i < (int)methodInstance->GetParamCount() - implicitParamCountA; i++)
|
|
{
|
|
auto paramA = _FixType(methodInstance->GetParamType(i + implicitParamCountA));
|
|
auto paramB = _FixType(matchedMethod->GetParamType(i + implicitParamCountB));
|
|
if (!_TypeMatches(paramA, paramB))
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
BfTypedValue BfExprEvaluator::DoImplicitArgCapture(BfAstNode* refNode, BfIdentifierNode* identifierNode, int shadowIdx)
|
|
{
|
|
String findName = identifierNode->ToString();
|
|
|
|
if (mModule->mCurMethodState != NULL)
|
|
{
|
|
auto rootMethodState = mModule->mCurMethodState->GetRootMethodState();
|
|
|
|
auto checkMethodState = mModule->mCurMethodState;
|
|
bool isMixinOuterVariablePass = false;
|
|
|
|
int shadowSkip = shadowIdx;
|
|
|
|
while (checkMethodState != NULL)
|
|
{
|
|
BP_ZONE("LookupIdentifier:DoImplicitArgCapture");
|
|
|
|
BfTypeInstance* closureTypeInst = NULL;
|
|
BfClosureInstanceInfo* closureInstanceInfo = NULL;
|
|
if ((checkMethodState->mClosureState != NULL) && (checkMethodState->mClosureState->mClosureType != NULL) && (!checkMethodState->mClosureState->mCapturing))
|
|
{
|
|
closureTypeInst = mModule->mCurMethodState->mClosureState->mClosureType;
|
|
}
|
|
|
|
BfLocalVarEntry* entry;
|
|
if (checkMethodState->mLocalVarSet.TryGetWith<StringImpl&>(findName, &entry))
|
|
{
|
|
auto varDecl = entry->mLocalVar;
|
|
|
|
while (varDecl != NULL)
|
|
{
|
|
if (varDecl->mNameNode == identifierNode)
|
|
{
|
|
if (shadowSkip > 0)
|
|
{
|
|
shadowSkip--;
|
|
}
|
|
else
|
|
{
|
|
BfTypedValue localResult = LoadLocal(varDecl);
|
|
if (!isMixinOuterVariablePass)
|
|
{
|
|
mResultLocalVar = varDecl;
|
|
mResultFieldInstance = NULL;
|
|
mResultLocalVarRefNode = identifierNode;
|
|
}
|
|
return localResult;
|
|
}
|
|
}
|
|
|
|
varDecl = varDecl->mShadowedLocal;
|
|
}
|
|
}
|
|
|
|
// Check for the captured locals. It's important we do it here so we get local-first precedence still
|
|
if (closureTypeInst != NULL)
|
|
{
|
|
closureTypeInst->mTypeDef->PopulateMemberSets();
|
|
BfMemberSetEntry* memberSetEntry = NULL;
|
|
if (closureTypeInst->mTypeDef->mFieldSet.TryGetWith(findName, &memberSetEntry))
|
|
{
|
|
auto fieldDef = (BfFieldDef*)memberSetEntry->mMemberDef;
|
|
while (fieldDef != NULL)
|
|
{
|
|
BfIdentifierNode* fieldNameNode = NULL;
|
|
if (fieldDef->mIdx < (int)checkMethodState->mClosureState->mClosureInstanceInfo->mCaptureEntries.size())
|
|
fieldNameNode = checkMethodState->mClosureState->mClosureInstanceInfo->mCaptureEntries[fieldDef->mIdx].mNameNode;
|
|
|
|
if (fieldNameNode == identifierNode)
|
|
{
|
|
auto& field = closureTypeInst->mFieldInstances[fieldDef->mIdx];
|
|
if (!field.mResolvedType->IsValuelessType())
|
|
{
|
|
if (mModule->mCurMethodState->mClosureState->mCapturing)
|
|
{
|
|
mModule->mCurMethodState->mClosureState->mReferencedOuterClosureMembers.Add(&field);
|
|
return mModule->GetDefaultTypedValue(field.mResolvedType);
|
|
}
|
|
|
|
auto localVar = mModule->mCurMethodState->mLocals[0];
|
|
auto thisValue = localVar->mValue;
|
|
mModule->mBfIRBuilder->PopulateType(localVar->mResolvedType);
|
|
BfTypedValue result = BfTypedValue(mModule->mBfIRBuilder->CreateInBoundsGEP(thisValue, 0, field.mDataIdx), field.mResolvedType, true);
|
|
if (field.mResolvedType->IsRef())
|
|
{
|
|
auto refType = (BfRefType*)field.mResolvedType;
|
|
auto underlyingType = refType->GetUnderlyingType();
|
|
result = BfTypedValue(mModule->mBfIRBuilder->CreateAlignedLoad(result.mValue, underlyingType->mAlign), underlyingType, true);
|
|
}
|
|
else if (fieldDef->mIsReadOnly)
|
|
result = mModule->LoadValue(result);
|
|
|
|
mResultLocalVar = localVar;
|
|
mResultFieldInstance = &field;
|
|
mResultLocalVarField = -(field.mMergedDataIdx + 1);
|
|
|
|
return result;
|
|
}
|
|
}
|
|
|
|
fieldDef = fieldDef->mNextWithSameName;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((checkMethodState->mClosureState != NULL) && (checkMethodState->mClosureState->mCapturing) /*&& (checkMethodState->mClosureState->mIsLocalMethod)*/)
|
|
{
|
|
checkMethodState = checkMethodState->mPrevMethodState;
|
|
continue;
|
|
}
|
|
|
|
// Allow local mixin to see outside variables during its processing -- since we don't actually "capture" those into params
|
|
bool isLocalMixinProcessing = false;
|
|
if ((checkMethodState->mClosureState != NULL) && (!checkMethodState->mClosureState->mCapturing) && (closureTypeInst == NULL) &&
|
|
(mModule->mCurMethodInstance->mMethodDef->mMethodType == BfMethodType_Mixin))
|
|
isLocalMixinProcessing = true;
|
|
if (!isLocalMixinProcessing)
|
|
break;
|
|
|
|
isMixinOuterVariablePass = true;
|
|
checkMethodState = checkMethodState->mPrevMethodState;
|
|
}
|
|
}
|
|
|
|
return BfTypedValue();
|
|
}
|
|
|
|
BfTypedValue BfExprEvaluator::DoImplicitArgCapture(BfAstNode* refNode, BfMethodInstance* methodInstance, int paramIdx, bool& failed, BfImplicitParamKind paramKind, const BfTypedValue& methodRefTarget)
|
|
{
|
|
if ((methodRefTarget) && (methodRefTarget.mValue.mId != BfIRValue::ID_IMPLICIT))
|
|
{
|
|
if (methodRefTarget.mType->IsMethodRef())
|
|
{
|
|
BfMethodRefType* methodRefType = (BfMethodRefType*)methodRefTarget.mType;
|
|
BfMethodInstance* methodRefMethodInst = methodRefType->mMethodRef;
|
|
|
|
BF_ASSERT(methodRefMethodInst == methodInstance);
|
|
|
|
auto paramType = methodInstance->GetParamType(paramIdx);
|
|
|
|
int dataIdx = methodRefType->GetDataIdxFromParamIdx(paramIdx);
|
|
if (dataIdx == -1)
|
|
{
|
|
BF_ASSERT(paramType->IsValuelessType());
|
|
return BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), paramType);
|
|
}
|
|
|
|
if (methodRefTarget.IsSplat())
|
|
{
|
|
if (methodRefType->WantsDataPassedAsSplat(dataIdx))
|
|
{
|
|
BF_ASSERT(paramIdx == -1);
|
|
return BfTypedValue(methodRefTarget.mValue, paramType, BfTypedValueKind_SplatHead);
|
|
}
|
|
else
|
|
{
|
|
int splatIdx = dataIdx;
|
|
if (dataIdx > 0)
|
|
{
|
|
if (methodRefType->WantsDataPassedAsSplat(0))
|
|
splatIdx += methodRefType->GetCaptureType(0)->GetSplatCount() - 1;
|
|
}
|
|
|
|
bool isAddr = false;
|
|
BfIRValue value = mModule->ExtractSplatValue(methodRefTarget, splatIdx, paramType, &isAddr);
|
|
// We moved the composite load from ExtractSplatValue to here. Hopefully this is correct.
|
|
|
|
// in LLVM backend we get a direct 'arg' back, in Beef we get backing for a pointer to the struct (and thus need to load)
|
|
// if ((paramType->IsComposite()) && (mModule->IsTargetingBeefBackend()))
|
|
// value = mModule->mBfIRBuilder->CreateLoad(value);
|
|
|
|
auto lookupVal = BfTypedValue(value, paramType, isAddr);
|
|
if ((isAddr) && (!lookupVal.mType->IsComposite()))
|
|
lookupVal = mModule->LoadValue(lookupVal);
|
|
return lookupVal;
|
|
}
|
|
}
|
|
if ((paramType->IsComposite()) && (methodRefTarget.IsAddr()))
|
|
return BfTypedValue(mModule->mBfIRBuilder->CreateInBoundsGEP(methodRefTarget.mValue, 0, dataIdx), paramType, true);
|
|
return BfTypedValue(mModule->ExtractValue(methodRefTarget, dataIdx), paramType);
|
|
}
|
|
}
|
|
|
|
// 'Default' implicit arg lookup, by identifier. May match field (for lambda), or local variable
|
|
if (paramKind == BfImplicitParamKind_General)
|
|
{
|
|
if (paramIdx == -1)
|
|
{
|
|
if (auto delegateBindExpr = BfNodeDynCast<BfDelegateBindExpression>(refNode))
|
|
{
|
|
BfAstNode* thisNode = NULL;
|
|
BfTypedValue thisValue;
|
|
|
|
if (auto memberReferenceExpr = BfNodeDynCast<BfMemberReferenceExpression>(delegateBindExpr->mTarget))
|
|
thisNode = memberReferenceExpr->mTarget;
|
|
else if (auto qualifiedNameNode = BfNodeDynCast<BfQualifiedNameNode>(delegateBindExpr->mTarget))
|
|
thisNode = qualifiedNameNode->mLeft;
|
|
else if (auto identifierNode = BfNodeDynCast<BfIdentifierNode>(delegateBindExpr->mTarget))
|
|
{
|
|
// Implicit
|
|
thisValue = mModule->GetThis();
|
|
}
|
|
|
|
if (auto thisExpr = BfNodeDynCast<BfExpression>(thisNode))
|
|
{
|
|
thisValue = mModule->CreateValueFromExpression(thisExpr);
|
|
if (!thisValue)
|
|
return BfTypedValue();
|
|
}
|
|
|
|
if (thisValue)
|
|
{
|
|
//TODO: handle 'mut', throw error if trying to capture from a non-mut, etc...
|
|
return thisValue;
|
|
}
|
|
}
|
|
}
|
|
|
|
String captureName = methodInstance->GetParamName(paramIdx);
|
|
BfIdentifierNode* identifierNode = methodInstance->GetParamNameNode(paramIdx);
|
|
BfTypedValue lookupVal;
|
|
|
|
if (identifierNode != NULL)
|
|
{
|
|
lookupVal = DoImplicitArgCapture(refNode, identifierNode, 0);
|
|
}
|
|
else
|
|
{
|
|
lookupVal = LookupIdentifier(NULL, captureName);
|
|
}
|
|
if (lookupVal)
|
|
{
|
|
auto paramType = methodInstance->GetParamType(paramIdx);
|
|
if (paramType->IsRef())
|
|
{
|
|
auto refType = (BfRefType*)paramType;
|
|
|
|
if (mResultLocalVar != NULL)
|
|
{
|
|
// When we are capturing, we need to note that we require capturing by reference here
|
|
auto localVar = mResultLocalVar;
|
|
localVar->mWrittenToId = mModule->mCurMethodState->GetRootMethodState()->mCurAccessId++;
|
|
}
|
|
|
|
bool isValid = false;
|
|
if ((refType->mRefKind == BfRefType::RefKind_Mut) && (lookupVal.mKind == BfTypedValueKind_MutableValue))
|
|
isValid = true;
|
|
if ((lookupVal.mType->IsRef()) || (lookupVal.IsAddr()))
|
|
isValid = true;
|
|
if (!isValid)
|
|
{
|
|
// Is there another way this can fail than to be in a lambda?
|
|
auto error = mModule->Fail(StrFormat("Method '%s' requires that '%s' be captured by reference. Consider adding by-reference capture specifier [&] to lambda.",
|
|
mModule->MethodToString(methodInstance).c_str(), captureName.c_str()), refNode, true);
|
|
if ((error != NULL) && (methodInstance->mMethodDef->mMethodDeclaration != NULL))
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), methodInstance->mMethodDef->GetRefNode());
|
|
failed = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (lookupVal.mType->IsRef())
|
|
lookupVal = mModule->RemoveRef(lookupVal);
|
|
if (!lookupVal.mType->IsComposite())
|
|
lookupVal = mModule->LoadValue(lookupVal);
|
|
}
|
|
|
|
return lookupVal;
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail(StrFormat("Failed to lookup implicit capture '%s'", captureName.c_str()), refNode, true);
|
|
failed = true;
|
|
return BfTypedValue();
|
|
}
|
|
}
|
|
|
|
return BfTypedValue();
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfDelegateBindExpression* delegateBindExpr)
|
|
{
|
|
BfAutoParentNodeEntry autoParentNodeEntry(mModule, delegateBindExpr);
|
|
|
|
if (mExpectingType == NULL)
|
|
{
|
|
mModule->Fail("Cannot infer delegate type", delegateBindExpr);
|
|
return;
|
|
}
|
|
|
|
BfTokenNode* newToken = NULL;
|
|
BfAllocTarget allocTarget;
|
|
ResolveAllocTarget(allocTarget, delegateBindExpr->mNewToken, newToken);
|
|
|
|
SizedArray<BfTypedValueExpression, 4> typedValueExprs;
|
|
SizedArray<BfExpression*, 4> args;
|
|
|
|
BfTypeInstance* delegateTypeInstance = NULL;
|
|
BfMethodInstance* methodInstance = NULL;
|
|
|
|
const char* bindTypeName = NULL;
|
|
bool isMethodRefMatch = false;
|
|
if (mExpectingType->IsMethodRef())
|
|
{
|
|
auto methodRefType = (BfMethodRefType*)mExpectingType;
|
|
|
|
BF_ASSERT(delegateBindExpr->mNewToken == NULL);
|
|
methodInstance = methodRefType->mMethodRef;
|
|
isMethodRefMatch = true;
|
|
}
|
|
else
|
|
{
|
|
if (mExpectingType->IsGenericParam())
|
|
{
|
|
auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)mExpectingType);
|
|
if ((genericParamInstance->mTypeConstraint != NULL) && (genericParamInstance->mTypeConstraint->IsDelegate()))
|
|
{
|
|
delegateTypeInstance = genericParamInstance->mTypeConstraint->ToTypeInstance();
|
|
}
|
|
}
|
|
else
|
|
delegateTypeInstance = mExpectingType->ToTypeInstance();
|
|
|
|
if ((delegateTypeInstance == NULL) ||
|
|
((!delegateTypeInstance->IsDelegate()) && (!delegateTypeInstance->IsFunction())))
|
|
{
|
|
mModule->Fail(StrFormat("Type '%s' cannot be used for method binding. Only delegate or function types are allowed.", mModule->TypeToString(mExpectingType).c_str()), delegateBindExpr);
|
|
return;
|
|
}
|
|
|
|
bindTypeName = (delegateTypeInstance->IsDelegate()) ? "delegate" : "function";
|
|
|
|
mModule->PopulateType(delegateTypeInstance, BfPopulateType_DataAndMethods);
|
|
|
|
methodInstance = mModule->GetRawMethodInstanceAtIdx(delegateTypeInstance, 0, "Invoke");
|
|
if (methodInstance == NULL)
|
|
{
|
|
BF_DBG_FATAL("Invoke not found");
|
|
return;
|
|
}
|
|
|
|
if (auto tokenNode = BfNodeDynCast<BfTokenNode>(delegateBindExpr->mNewToken))
|
|
{
|
|
if (delegateTypeInstance->IsFunction())
|
|
mModule->Fail("Function bindings are direct assignments, allocation specifier is not applicable", delegateBindExpr->mNewToken);
|
|
else if (tokenNode->GetToken() == BfToken_Append)
|
|
{
|
|
mModule->Fail("Append allocation on delegate bind not supported", delegateBindExpr->mNewToken);
|
|
}
|
|
}
|
|
}
|
|
|
|
int paramOffset = methodInstance->HasExplicitThis() ? 1 : 0;
|
|
typedValueExprs.resize(methodInstance->GetParamCount() - paramOffset);
|
|
args.resize(methodInstance->GetParamCount() - paramOffset);
|
|
|
|
for (int i = 0; i < (int)methodInstance->GetParamCount() - paramOffset; i++)
|
|
{
|
|
auto typedValueExpr = &typedValueExprs[i];
|
|
typedValueExpr->mTypedValue.mValue = BfIRValue(BfIRValueFlags_Value, -1);
|
|
typedValueExpr->mTypedValue.mType = methodInstance->GetParamType(i + paramOffset);
|
|
if (methodInstance->GetParamKind(i + paramOffset) == BfParamKind_Params)
|
|
typedValueExpr->mTypedValue.mKind = BfTypedValueKind_Params;
|
|
typedValueExpr->mRefNode = NULL;
|
|
args[i] = typedValueExpr;
|
|
}
|
|
|
|
BfMethodGenericArguments methodGenericArgs;
|
|
if (delegateBindExpr->mGenericArgs != NULL)
|
|
methodGenericArgs.mArguments = &delegateBindExpr->mGenericArgs->mGenericArgs;
|
|
|
|
if (delegateBindExpr->mTarget == NULL)
|
|
{
|
|
mModule->AssertErrorState();
|
|
return;
|
|
}
|
|
|
|
auto autoComplete = GetAutoComplete();
|
|
if (autoComplete != NULL)
|
|
{
|
|
SetAndRestoreValue<bool> prevForceAllowNonStatic(autoComplete->mForceAllowNonStatic, methodInstance->mMethodDef->mHasExplicitThis);
|
|
GetAutoComplete()->CheckNode(delegateBindExpr->mTarget, true);
|
|
}
|
|
|
|
if ((!delegateBindExpr->mTarget->IsA<BfIdentifierNode>()) &&
|
|
(!delegateBindExpr->mTarget->IsA<BfMemberReferenceExpression>()))
|
|
{
|
|
mModule->Fail(StrFormat("Invalid %s binding target, %s can only bind to method references. Consider wrapping expression in a lambda.", bindTypeName, bindTypeName), delegateBindExpr->mTarget);
|
|
mModule->CreateValueFromExpression(delegateBindExpr->mTarget);
|
|
return;
|
|
}
|
|
|
|
BfFunctionBindResult bindResult;
|
|
bindResult.mSkipMutCheck = true; // Allow operating on copies
|
|
bindResult.mBindType = delegateTypeInstance;
|
|
//
|
|
{
|
|
SetAndRestoreValue<BfType*> prevExpectingType(mExpectingType, methodInstance->mReturnType);
|
|
mFunctionBindResult = &bindResult;
|
|
DoInvocation(delegateBindExpr->mTarget, delegateBindExpr, args, methodGenericArgs);
|
|
mFunctionBindResult = NULL;
|
|
}
|
|
|
|
SetMethodElementType(delegateBindExpr->mTarget);
|
|
|
|
if (bindResult.mMethodInstance == NULL)
|
|
{
|
|
if ((mResult) && (IsVar(mResult.mType)))
|
|
return;
|
|
mResult = BfTypedValue();
|
|
return;
|
|
}
|
|
|
|
if (((bindResult.mMethodInstance->mComptimeFlags & BfComptimeFlag_Comptime) != 0) && ((mModule->mCurMethodInstance->mComptimeFlags & BfComptimeFlag_Comptime) == 0))
|
|
{
|
|
mModule->Fail(StrFormat("Cannot bind to const-eval method '%s', as this method is not available at runtime", mModule->MethodToString(bindResult.mMethodInstance).c_str()), delegateBindExpr->mTarget);
|
|
}
|
|
|
|
auto bindMethodInstance = bindResult.mMethodInstance;
|
|
if (isMethodRefMatch)
|
|
{
|
|
// WTF- this was always false, what was it supposed to catch?
|
|
// if (bindMethodInstance != bindResult.mMethodInstance)
|
|
// {
|
|
// mResult = BfTypedValue();
|
|
// return;
|
|
// }
|
|
}
|
|
else
|
|
{
|
|
bool isExactMethodMatch = IsExactMethodMatch(methodInstance, bindMethodInstance, true);
|
|
if ((mExpectingType != NULL) && (mExpectingType->IsFunction()) && (methodInstance->mMethodDef->mIsMutating != bindMethodInstance->mMethodDef->mIsMutating))
|
|
isExactMethodMatch = false;
|
|
|
|
if (!isExactMethodMatch)
|
|
{
|
|
if (bindResult.mCheckedMultipleMethods)
|
|
{
|
|
mModule->Fail(StrFormat("No overload for '%s' matches %s '%s'", bindMethodInstance->mMethodDef->mName.c_str(), bindTypeName,
|
|
mModule->TypeToString(delegateTypeInstance).c_str()), delegateBindExpr->mTarget);
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail(StrFormat("Method '%s' does not match %s '%s'", mModule->MethodToString(bindMethodInstance, (BfMethodNameFlags)(BfMethodNameFlag_ResolveGenericParamNames | BfMethodNameFlag_IncludeReturnType | BfMethodNameFlag_IncludeMut)).c_str(), bindTypeName,
|
|
mModule->TypeToString(delegateTypeInstance).c_str()), delegateBindExpr->mTarget);
|
|
}
|
|
mResult = BfTypedValue();
|
|
return;
|
|
}
|
|
}
|
|
|
|
bool isDirectFunction = false;
|
|
if ((bindResult.mMethodInstance->GetOwner()->IsFunction()) && (bindResult.mFunc))
|
|
isDirectFunction = true;
|
|
|
|
if (bindMethodInstance->mIsIntrinsic)
|
|
{
|
|
mModule->Fail(StrFormat("Method '%s' is an intrinsic and therefore cannot be used as a method binding target. Intrinsics have no addresses.", mModule->MethodToString(bindMethodInstance).c_str()), delegateBindExpr->mTarget);
|
|
mResult = BfTypedValue();
|
|
return;
|
|
}
|
|
|
|
bool hasIncompatibleCallingConventions = !mModule->mSystem->IsCompatibleCallingConvention(methodInstance->mCallingConvention, bindMethodInstance->mCallingConvention);
|
|
|
|
auto _GetInvokeMethodName = [&]()
|
|
{
|
|
StringT<512> methodName = "Invoke$";
|
|
methodName += mModule->mCurMethodInstance->mMethodDef->mName;
|
|
|
|
int prevSepPos = (int)methodName.LastIndexOf('$');
|
|
if (prevSepPos > 6)
|
|
{
|
|
methodName.RemoveToEnd(prevSepPos);
|
|
}
|
|
|
|
auto rootMethodState = mModule->mCurMethodState->GetRootMethodState();
|
|
HashContext hashCtx;
|
|
|
|
if (mModule->mCurMethodInstance->mMethodDef->mDeclaringType->mPartialIdx != -1)
|
|
hashCtx.Mixin(mModule->mCurMethodInstance->mMethodDef->mDeclaringType->mPartialIdx);
|
|
|
|
if (delegateBindExpr->mFatArrowToken != NULL)
|
|
{
|
|
hashCtx.Mixin(delegateBindExpr->mFatArrowToken->GetStartCharId());
|
|
}
|
|
if (rootMethodState->mMethodInstance->mMethodInfoEx != NULL)
|
|
{
|
|
for (auto methodGenericArg : rootMethodState->mMethodInstance->mMethodInfoEx->mMethodGenericArguments)
|
|
{
|
|
StringT<128> genericTypeName;
|
|
BfMangler::Mangle(genericTypeName, mModule->mCompiler->GetMangleKind(), methodGenericArg);
|
|
hashCtx.MixinStr(genericTypeName);
|
|
}
|
|
}
|
|
|
|
Val128 hashVal = hashCtx.Finish128();
|
|
|
|
methodName += '$';
|
|
methodName += BfTypeUtils::HashEncode64(hashVal.mLow);
|
|
|
|
StringT<512> mangledName;
|
|
BfMangler::MangleMethodName(mangledName, mModule->mCompiler->GetMangleKind(), mModule->mCurTypeInstance, methodName);
|
|
return mangledName;
|
|
};
|
|
|
|
if ((delegateBindExpr->mNewToken == NULL) || (delegateTypeInstance->IsFunction()))
|
|
{
|
|
if ((mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mHotDataReferenceBuilder != NULL))
|
|
{
|
|
BF_ASSERT(bindResult.mMethodInstance->mHotMethod != NULL);
|
|
mModule->mCurMethodState->mHotDataReferenceBuilder->mFunctionPtrs.Add(bindResult.mMethodInstance->mHotMethod);
|
|
}
|
|
|
|
if (isDirectFunction)
|
|
{
|
|
//if ((delegateTypeInstance != NULL) && (delegateTypeInstance->IsFunction()))
|
|
if (mExpectingType->IsFunction())
|
|
{
|
|
auto intPtrVal = mModule->mBfIRBuilder->CreatePtrToInt(bindResult.mFunc, BfTypeCode_IntPtr);
|
|
mResult = BfTypedValue(intPtrVal, mExpectingType);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (mExpectingType->IsFunction())
|
|
{
|
|
BfIRValue result;
|
|
if ((hasIncompatibleCallingConventions) && (mModule->HasExecutedOutput()))
|
|
{
|
|
//
|
|
{
|
|
SetAndRestoreValue<bool> prevIgnore(mModule->mBfIRBuilder->mIgnoreWrites, true);
|
|
result = mModule->CastToFunction(delegateBindExpr->mTarget, bindResult.mOrigTarget, bindResult.mMethodInstance, mExpectingType);
|
|
}
|
|
|
|
if (result)
|
|
{
|
|
String methodName = _GetInvokeMethodName();
|
|
|
|
SizedArray<BfIRType, 8> irParamTypes;
|
|
BfIRType irReturnType;
|
|
methodInstance->GetIRFunctionInfo(mModule, irReturnType, irParamTypes);
|
|
|
|
int thisFuncParamIdx = methodInstance->GetThisIdx();
|
|
int thisBindParamIdx = methodInstance->GetThisIdx();
|
|
|
|
auto prevActiveFunction = mModule->mBfIRBuilder->GetActiveFunction();
|
|
auto prevInsertBlock = mModule->mBfIRBuilder->GetInsertBlock();
|
|
mModule->mBfIRBuilder->SaveDebugLocation();
|
|
|
|
auto funcType = mModule->mBfIRBuilder->CreateFunctionType(irReturnType, irParamTypes);
|
|
auto funcValue = mModule->mBfIRBuilder->CreateFunction(funcType, BfIRLinkageType_External, methodName);
|
|
|
|
auto srcCallingConv = mModule->GetIRCallingConvention(methodInstance);
|
|
mModule->mBfIRBuilder->SetFuncCallingConv(funcValue, srcCallingConv);
|
|
|
|
mModule->mBfIRBuilder->SetActiveFunction(funcValue);
|
|
auto entryBlock = mModule->mBfIRBuilder->CreateBlock("entry", true);
|
|
mModule->mBfIRBuilder->SetInsertPoint(entryBlock);
|
|
|
|
SizedArray<BfIRValue, 8> irArgs;
|
|
for (int paramIdx = 0; paramIdx < irParamTypes.size(); paramIdx++)
|
|
{
|
|
irArgs.push_back(mModule->mBfIRBuilder->GetArgument(paramIdx));
|
|
}
|
|
|
|
auto bindFuncVal = bindResult.mFunc;
|
|
if ((mModule->mCompiler->mOptions.mAllowHotSwapping) && (!mModule->mIsComptimeModule))
|
|
bindFuncVal = mModule->mBfIRBuilder->RemapBindFunction(bindFuncVal);
|
|
auto callResult = mModule->mBfIRBuilder->CreateCall(bindFuncVal, irArgs);
|
|
auto destCallingConv = mModule->GetIRCallingConvention(bindMethodInstance);
|
|
if (destCallingConv != BfIRCallingConv_CDecl)
|
|
mModule->mBfIRBuilder->SetCallCallingConv(callResult, destCallingConv);
|
|
if (methodInstance->mReturnType->IsValuelessType())
|
|
mModule->mBfIRBuilder->CreateRetVoid();
|
|
else
|
|
mModule->mBfIRBuilder->CreateRet(callResult);
|
|
|
|
mModule->mBfIRBuilder->SetActiveFunction(prevActiveFunction);
|
|
mModule->mBfIRBuilder->SetInsertPoint(prevInsertBlock);
|
|
mModule->mBfIRBuilder->RestoreDebugLocation();
|
|
|
|
result = mModule->mBfIRBuilder->CreatePtrToInt(funcValue, BfTypeCode_IntPtr);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ((bindResult.mOrigTarget) && (bindResult.mOrigTarget.mType->IsGenericParam()) && (bindResult.mMethodInstance->GetOwner()->IsInterface()))
|
|
{
|
|
bool matching = true;
|
|
if (methodInstance->HasExplicitThis())
|
|
{
|
|
auto thisType = methodInstance->GetParamType(0);
|
|
|
|
if (thisType->IsPointer())
|
|
thisType = thisType->GetUnderlyingType();
|
|
if (thisType->IsRef())
|
|
thisType = thisType->GetUnderlyingType();
|
|
|
|
matching = thisType == bindResult.mOrigTarget.mType;
|
|
}
|
|
|
|
if (matching)
|
|
{
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), mExpectingType);
|
|
return;
|
|
}
|
|
}
|
|
result = mModule->CastToFunction(delegateBindExpr->mTarget, bindResult.mOrigTarget, bindResult.mMethodInstance, mExpectingType, BfCastFlags_None, bindResult.mFunc);
|
|
}
|
|
if (result)
|
|
mResult = BfTypedValue(result, mExpectingType);
|
|
return;
|
|
}
|
|
|
|
if (bindResult.mMethodInstance->mDisallowCalling)
|
|
{
|
|
BF_ASSERT(mModule->mBfIRBuilder->mIgnoreWrites);
|
|
mResult = mModule->GetDefaultTypedValue(mExpectingType, false, BfDefaultValueKind_Addr);
|
|
return;
|
|
}
|
|
|
|
auto methodRefType = mModule->CreateMethodRefType(bindResult.mMethodInstance);
|
|
mModule->AddDependency(methodRefType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_Calls);
|
|
mModule->AddCallDependency(bindResult.mMethodInstance);
|
|
if ((bindResult.mOrigTarget) && (bindResult.mOrigTarget.mType->IsMethodRef()))
|
|
{
|
|
mResult = bindResult.mOrigTarget;
|
|
}
|
|
else
|
|
{
|
|
if ((bindResult.mMethodInstance->mMethodDef->mIsLocalMethod) || (!bindResult.mTarget))
|
|
mResult = BfTypedValue(BfIRValue(BfIRValueFlags_Value, BfIRValue::ID_IMPLICIT), methodRefType);
|
|
else
|
|
{
|
|
auto methodRefPtr = mModule->CreateAlloca(methodRefType, "bindResult");
|
|
auto elemPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(methodRefPtr, 0, 0);
|
|
|
|
BfTypedValue target;
|
|
if (bindResult.mTarget.IsSplat())
|
|
target = mModule->AggregateSplat(bindResult.mTarget, &bindResult.mIRArgs[0]);
|
|
else
|
|
target = bindResult.mTarget;
|
|
|
|
mModule->mBfIRBuilder->CreateStore(target.mValue, elemPtr);
|
|
|
|
mResult = BfTypedValue(methodRefPtr, methodRefType, true);
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
int implicitParamCount = bindMethodInstance->GetImplicitParamCount();
|
|
|
|
BfTypeInstance* useTypeInstance = delegateTypeInstance;
|
|
BfClosureType* closureTypeInst = NULL;
|
|
|
|
auto origTarget = bindResult.mOrigTarget;
|
|
auto target = bindResult.mTarget;
|
|
|
|
BfTypedValue methodRefTarget;
|
|
if ((bindResult.mOrigTarget) && (bindResult.mOrigTarget.mType->IsMethodRef()))
|
|
methodRefTarget = bindResult.mOrigTarget;
|
|
|
|
bool isStructTarget = (target) && (target.mType->IsStruct());
|
|
bool bindCapturesThis = bindMethodInstance->HasThis() && !isStructTarget;
|
|
bool needsSplat = (isStructTarget) && (!bindMethodInstance->mMethodDef->mIsMutating) && (bindMethodInstance->AllowsSplatting(-1));
|
|
bool captureThisByValue = isStructTarget;
|
|
if (bindMethodInstance->mMethodDef->mIsLocalMethod)
|
|
{
|
|
// Local method captures always capture 'this' by reference
|
|
captureThisByValue = false;
|
|
}
|
|
|
|
if ((origTarget.mType != NULL) &&
|
|
((origTarget.mType->IsRef()) || (origTarget.mType->IsPointer())))
|
|
{
|
|
captureThisByValue = false;
|
|
}
|
|
|
|
if (methodRefTarget)
|
|
BF_ASSERT(methodRefTarget.mType->IsMethodRef());
|
|
|
|
if (target.IsSplat())
|
|
target = mModule->AggregateSplat(target, &bindResult.mIRArgs[0]);
|
|
|
|
bool hasCaptures = false;
|
|
|
|
// Do we need a special delegate type for this?
|
|
if (((captureThisByValue) || (needsSplat) || (implicitParamCount > 0) /*|| (hasIncompatibleCallingConventions)*/) &&
|
|
(mModule->HasExecutedOutput()))
|
|
{
|
|
hasCaptures = true;
|
|
auto curProject = mModule->mCurTypeInstance->mTypeDef->mProject;
|
|
|
|
if (captureThisByValue)
|
|
target = mModule->LoadValue(target);
|
|
|
|
String delegateTypeName = mModule->TypeToString(delegateTypeInstance);
|
|
HashContext hashCtx;
|
|
hashCtx.MixinStr(delegateTypeName);
|
|
|
|
// We mix in the project for reasons described in the lambda binding handler
|
|
hashCtx.MixinStr(curProject->mName);
|
|
|
|
String structTargetTypeName;
|
|
String structTargetName;
|
|
|
|
// Implicit param separator
|
|
for (int implicitParamIdx = bindMethodInstance->HasThis() ? - 1 : 0; implicitParamIdx < implicitParamCount; implicitParamIdx++)
|
|
{
|
|
auto paramType = bindResult.mMethodInstance->GetParamType(implicitParamIdx);
|
|
if ((implicitParamIdx == -1) && (captureThisByValue))
|
|
{
|
|
if (paramType->IsPointer())
|
|
paramType = paramType->GetUnderlyingType();
|
|
}
|
|
structTargetTypeName = mModule->TypeToString(paramType);
|
|
structTargetName = bindResult.mMethodInstance->GetParamName(implicitParamIdx);
|
|
hashCtx.MixinStr(structTargetTypeName);
|
|
hashCtx.MixinStr(structTargetName);
|
|
}
|
|
|
|
Val128 hash128 = hashCtx.Finish128();
|
|
BfClosureType* checkClosureType = new BfClosureType(delegateTypeInstance, hash128);
|
|
checkClosureType->mContext = mModule->mContext;
|
|
checkClosureType->mBaseType = delegateTypeInstance;
|
|
BfType* resolvedClosureType = mModule->ResolveType(checkClosureType, BfPopulateType_TypeDef);
|
|
closureTypeInst = (BfClosureType*)resolvedClosureType;
|
|
if (checkClosureType == resolvedClosureType)
|
|
{
|
|
// This is a new closure type
|
|
closureTypeInst->Init(curProject);
|
|
for (int implicitParamIdx = bindMethodInstance->HasThis() ? -1 : 0; implicitParamIdx < implicitParamCount; implicitParamIdx++)
|
|
{
|
|
String fieldName = bindResult.mMethodInstance->GetParamName(implicitParamIdx);
|
|
BfType* paramType = bindResult.mMethodInstance->GetParamType(implicitParamIdx);
|
|
if ((implicitParamIdx == -1) && (captureThisByValue))
|
|
{
|
|
if (paramType->IsPointer())
|
|
paramType = paramType->GetUnderlyingType();
|
|
}
|
|
|
|
if (fieldName == "this")
|
|
fieldName = "__this";
|
|
closureTypeInst->AddField(paramType, fieldName);
|
|
}
|
|
|
|
closureTypeInst->Finish();
|
|
mModule->PopulateType(resolvedClosureType, BfPopulateType_Declaration);
|
|
}
|
|
else
|
|
{
|
|
// Already had this entry
|
|
delete checkClosureType;
|
|
}
|
|
useTypeInstance = closureTypeInst;
|
|
}
|
|
mModule->PopulateType(useTypeInstance);
|
|
|
|
if (delegateBindExpr->mTarget == NULL)
|
|
{
|
|
mModule->AssertErrorState();
|
|
return;
|
|
}
|
|
|
|
mResult = BfTypedValue(mModule->AllocFromType(useTypeInstance, allocTarget, BfIRValue(), BfIRValue(), 0, BfAllocFlags_None), useTypeInstance);
|
|
|
|
// Do we need specialized calling code for this?
|
|
BfIRValue funcValue;
|
|
if (((needsSplat) || (implicitParamCount > 0) || (hasIncompatibleCallingConventions)) &&
|
|
(mModule->HasExecutedOutput()))
|
|
{
|
|
int fieldIdx = 0;
|
|
for (int implicitParamIdx = bindMethodInstance->HasThis() ? -1 : 0; implicitParamIdx < implicitParamCount; implicitParamIdx++)
|
|
{
|
|
auto fieldInst = &useTypeInstance->mFieldInstances[fieldIdx];
|
|
int gepIdx = fieldInst->mDataIdx;
|
|
|
|
auto fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(mResult.mValue, 0, gepIdx);
|
|
auto fieldType = bindMethodInstance->GetParamType(implicitParamIdx);
|
|
if ((implicitParamIdx == -1) && (captureThisByValue))
|
|
{
|
|
if (fieldType->IsPointer())
|
|
fieldType = fieldType->GetUnderlyingType();
|
|
}
|
|
|
|
bool failed = false;
|
|
BfTypedValue lookupVal;
|
|
if (implicitParamIdx == -1)
|
|
lookupVal = target;
|
|
else
|
|
lookupVal = DoImplicitArgCapture(delegateBindExpr->mTarget, bindResult.mMethodInstance, implicitParamIdx, failed, BfImplicitParamKind_General, methodRefTarget);
|
|
if (!lookupVal)
|
|
continue;
|
|
if ((fieldType->IsPointer()) && (lookupVal.mType != fieldType))
|
|
{
|
|
BF_ASSERT(fieldType->GetUnderlyingType() == lookupVal.mType);
|
|
BF_ASSERT(lookupVal.IsAddr());
|
|
}
|
|
else if (!fieldType->IsRef())
|
|
lookupVal = mModule->LoadOrAggregateValue(lookupVal);
|
|
if (lookupVal)
|
|
mModule->mBfIRBuilder->CreateStore(lookupVal.mValue, fieldPtr);
|
|
|
|
fieldIdx++;
|
|
}
|
|
|
|
String methodName = _GetInvokeMethodName();
|
|
|
|
SizedArray<BfIRType, 8> irParamTypes;
|
|
BfIRType irReturnType;
|
|
|
|
bool hasThis = false;
|
|
if (hasCaptures)
|
|
{
|
|
hasThis = true;
|
|
methodInstance->GetIRFunctionInfo(mModule, irReturnType, irParamTypes);
|
|
int thisIdx = 0;
|
|
if (GetStructRetIdx(methodInstance) == 0)
|
|
thisIdx = 1;
|
|
irParamTypes[thisIdx] = mModule->mBfIRBuilder->MapType(useTypeInstance);
|
|
}
|
|
else
|
|
{
|
|
BF_ASSERT(hasIncompatibleCallingConventions);
|
|
bindMethodInstance->GetIRFunctionInfo(mModule, irReturnType, irParamTypes);
|
|
hasThis = bindMethodInstance->HasThis();
|
|
}
|
|
|
|
auto prevActiveFunction = mModule->mBfIRBuilder->GetActiveFunction();
|
|
auto prevInsertBlock = mModule->mBfIRBuilder->GetInsertBlock();
|
|
mModule->mBfIRBuilder->SaveDebugLocation();
|
|
|
|
auto funcType = mModule->mBfIRBuilder->CreateFunctionType(irReturnType, irParamTypes);
|
|
funcValue = mModule->mBfIRBuilder->CreateFunction(funcType, BfIRLinkageType_External, methodName);
|
|
|
|
if (GetStructRetIdx(methodInstance) != -1)
|
|
{
|
|
mModule->mBfIRBuilder->Func_AddAttribute(funcValue, GetStructRetIdx(methodInstance) + 1, BfIRAttribute_NoAlias);
|
|
mModule->mBfIRBuilder->Func_AddAttribute(funcValue, GetStructRetIdx(methodInstance) + 1, BfIRAttribute_StructRet);
|
|
}
|
|
|
|
auto srcCallingConv = mModule->GetIRCallingConvention(methodInstance);
|
|
if ((!hasThis) && (methodInstance->mCallingConvention == BfCallingConvention_Stdcall))
|
|
srcCallingConv = BfIRCallingConv_StdCall;
|
|
else if (methodInstance->mCallingConvention == BfCallingConvention_Fastcall)
|
|
srcCallingConv = BfIRCallingConv_FastCall;
|
|
mModule->mBfIRBuilder->SetFuncCallingConv(funcValue, srcCallingConv);
|
|
|
|
mModule->mBfIRBuilder->SetActiveFunction(funcValue);
|
|
auto entryBlock = mModule->mBfIRBuilder->CreateBlock("entry", true);
|
|
mModule->mBfIRBuilder->SetInsertPoint(entryBlock);
|
|
|
|
fieldIdx = 0;
|
|
SizedArray<BfIRValue, 8> irArgs;
|
|
|
|
int argIdx = 0;
|
|
if (GetStructRetIdx(bindMethodInstance) == 0)
|
|
{
|
|
irArgs.push_back(mModule->mBfIRBuilder->GetArgument(GetStructRetIdx(methodInstance)));
|
|
argIdx++;
|
|
}
|
|
|
|
for (int implicitParamIdx = bindMethodInstance->HasThis() ? -1 : 0; implicitParamIdx < implicitParamCount; implicitParamIdx++)
|
|
{
|
|
auto fieldInst = &useTypeInstance->mFieldInstances[fieldIdx];
|
|
int gepIdx = fieldInst->mDataIdx;
|
|
auto fieldType = bindMethodInstance->GetParamType(implicitParamIdx);
|
|
bool disableSplat = false;
|
|
if ((implicitParamIdx == -1) && (captureThisByValue))
|
|
{
|
|
if (fieldType->IsPointer())
|
|
{
|
|
fieldType = fieldType->GetUnderlyingType();
|
|
disableSplat = true;
|
|
}
|
|
}
|
|
|
|
int thisIdx = 0;
|
|
if (GetStructRetIdx(methodInstance) == 0)
|
|
thisIdx = 1;
|
|
auto fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(mModule->mBfIRBuilder->GetArgument(thisIdx), 0, gepIdx);
|
|
BfTypedValue typedVal(fieldPtr, fieldType, true);
|
|
PushArg(typedVal, irArgs, disableSplat);
|
|
fieldIdx++;
|
|
}
|
|
|
|
if (hasThis)
|
|
argIdx++;
|
|
|
|
if (GetStructRetIdx(bindMethodInstance) == 1)
|
|
{
|
|
irArgs.push_back(mModule->mBfIRBuilder->GetArgument(GetStructRetIdx(methodInstance)));
|
|
argIdx++;
|
|
}
|
|
|
|
for (int paramIdx = 0; paramIdx < methodInstance->GetParamCount(); paramIdx++)
|
|
{
|
|
auto paramType = methodInstance->GetParamType(paramIdx);
|
|
if ((paramType->IsSplattable()) && (!IsComptime()))
|
|
{
|
|
BfTypeUtils::SplatIterate([&](BfType* checkType) { irArgs.push_back(mModule->mBfIRBuilder->GetArgument(argIdx++)); }, paramType);
|
|
}
|
|
else if (!paramType->IsValuelessType())
|
|
{
|
|
irArgs.push_back(mModule->mBfIRBuilder->GetArgument(argIdx++));
|
|
}
|
|
}
|
|
|
|
auto bindFuncVal = bindResult.mFunc;
|
|
if ((mModule->mCompiler->mOptions.mAllowHotSwapping) && (!mModule->mIsComptimeModule))
|
|
bindFuncVal = mModule->mBfIRBuilder->RemapBindFunction(bindFuncVal);
|
|
auto callInst = mModule->mBfIRBuilder->CreateCall(bindFuncVal, irArgs);
|
|
if (GetStructRetIdx(bindMethodInstance) != -1)
|
|
mModule->mBfIRBuilder->Call_AddAttribute(callInst, GetStructRetIdx(bindMethodInstance) + 1, BfIRAttribute_StructRet);
|
|
auto destCallingConv = mModule->GetIRCallingConvention(bindMethodInstance);
|
|
if (destCallingConv != BfIRCallingConv_CDecl)
|
|
mModule->mBfIRBuilder->SetCallCallingConv(callInst, destCallingConv);
|
|
if ((methodInstance->mReturnType->IsValuelessType()) || (GetStructRetIdx(methodInstance) != -1))
|
|
{
|
|
mModule->mBfIRBuilder->CreateRetVoid();
|
|
}
|
|
else
|
|
{
|
|
mModule->mBfIRBuilder->CreateRet(callInst);
|
|
}
|
|
|
|
mModule->mBfIRBuilder->SetActiveFunction(prevActiveFunction);
|
|
mModule->mBfIRBuilder->SetInsertPoint(prevInsertBlock);
|
|
mModule->mBfIRBuilder->RestoreDebugLocation();
|
|
}
|
|
else if ((closureTypeInst != NULL) && (captureThisByValue))
|
|
{
|
|
// When we need to aggregrate a splat for a target, we just point out delegate's mTarget to inside ourselves where we aggregated the value
|
|
int dataIdx = 1;
|
|
if (!closureTypeInst->mFieldInstances.IsEmpty())
|
|
{
|
|
auto& fieldInst = closureTypeInst->mFieldInstances[0];
|
|
BF_ASSERT(fieldInst.GetFieldDef()->mName == "__this");
|
|
dataIdx = fieldInst.mDataIdx;
|
|
}
|
|
auto fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(mResult.mValue, 0, dataIdx);
|
|
target = mModule->LoadValue(target);
|
|
mModule->mBfIRBuilder->CreateStore(target.mValue, fieldPtr);
|
|
target = BfTypedValue(fieldPtr, target.mType, true);
|
|
}
|
|
|
|
BfResolvedArgs resolvedArgs;
|
|
MatchConstructor(delegateBindExpr, delegateBindExpr, mResult, useTypeInstance, resolvedArgs, false, BfMethodGenericArguments(), false);
|
|
|
|
auto baseDelegateType = VerifyBaseDelegateType(delegateTypeInstance->mBaseType);
|
|
auto baseDelegate = mModule->mBfIRBuilder->CreateBitCast(mResult.mValue, mModule->mBfIRBuilder->MapType(baseDelegateType, BfIRPopulateType_Full));
|
|
|
|
// >> delegate.mTarget = bindResult.mTarget
|
|
BfIRValue valPtr;
|
|
if (mModule->HasExecutedOutput())
|
|
{
|
|
if ((implicitParamCount > 0) || (needsSplat)) // Point back to self, it contains capture data
|
|
valPtr = mModule->mBfIRBuilder->CreateBitCast(mResult.mValue, mModule->mBfIRBuilder->GetPrimitiveType(BfTypeCode_NullPtr));
|
|
else if (bindResult.mTarget)
|
|
{
|
|
if ((target.mType->IsObjectOrInterface()) &&
|
|
(mModule->mCompiler->mOptions.mObjectHasDebugFlags) && (!mModule->mIsComptimeModule) &&
|
|
(mModule->mCompiler->mSystem->mPtrSize == 8))
|
|
{
|
|
auto numVal = mModule->mBfIRBuilder->CreatePtrToInt(target.mValue, BfTypeCode_UInt64);
|
|
auto orVal = mModule->mBfIRBuilder->CreateOr(numVal, mModule->mBfIRBuilder->CreateConst(BfTypeCode_UInt64, (uint64)0x8000000000000000ULL));
|
|
valPtr = mModule->mBfIRBuilder->CreateIntToPtr(orVal, mModule->mBfIRBuilder->GetPrimitiveType(BfTypeCode_NullPtr));
|
|
}
|
|
else
|
|
valPtr = mModule->mBfIRBuilder->CreateBitCast(target.mValue, mModule->mBfIRBuilder->GetPrimitiveType(BfTypeCode_NullPtr));
|
|
}
|
|
else
|
|
valPtr = mModule->GetDefaultValue(mModule->GetPrimitiveType(BfTypeCode_NullPtr));
|
|
auto fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(baseDelegate, 0, 2);
|
|
mModule->mBfIRBuilder->CreateStore(valPtr, fieldPtr);
|
|
}
|
|
|
|
if (!funcValue)
|
|
{
|
|
funcValue = bindResult.mFunc;
|
|
|
|
if (!funcValue)
|
|
{
|
|
if ((mModule->HasExecutedOutput()) && (!mModule->mBfIRBuilder->mIgnoreWrites))
|
|
mModule->AssertErrorState();
|
|
return;
|
|
}
|
|
|
|
if ((mModule->mCompiler->mOptions.mAllowHotSwapping) && (!bindResult.mMethodInstance->mMethodDef->mIsVirtual) && (!mModule->mIsComptimeModule))
|
|
{
|
|
funcValue = mModule->mBfIRBuilder->RemapBindFunction(funcValue);
|
|
}
|
|
}
|
|
|
|
// >> delegate.mFuncPtr = bindResult.mFunc
|
|
auto nullPtrType = mModule->GetPrimitiveType(BfTypeCode_NullPtr);
|
|
valPtr = mModule->mBfIRBuilder->CreateBitCast(funcValue, mModule->mBfIRBuilder->MapType(nullPtrType));
|
|
auto fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(baseDelegate, 0, 1);
|
|
mModule->mBfIRBuilder->CreateStore(valPtr, fieldPtr);
|
|
}
|
|
|
|
void BfExprEvaluator::VisitLambdaBodies(BfAstNode* body, BfFieldDtorDeclaration* fieldDtor)
|
|
{
|
|
if (auto blockBody = BfNodeDynCast<BfBlock>(body))
|
|
mModule->VisitChild(blockBody);
|
|
else if (auto bodyExpr = BfNodeDynCast<BfExpression>(body))
|
|
{
|
|
auto result = mModule->CreateValueFromExpression(bodyExpr);
|
|
if ((result) && (mModule->mCurMethodState->mClosureState != NULL) &&
|
|
(mModule->mCurMethodState->mClosureState->mReturnTypeInferState == BfReturnTypeInferState_Inferring))
|
|
mModule->mCurMethodState->mClosureState->mReturnType = result.mType;
|
|
}
|
|
|
|
while (fieldDtor != NULL)
|
|
{
|
|
mModule->mCurMethodState->mLeftBlockUncond = false;
|
|
mModule->VisitChild(fieldDtor->mBody);
|
|
fieldDtor = fieldDtor->mNextFieldDtor;
|
|
}
|
|
}
|
|
|
|
BfLambdaInstance* BfExprEvaluator::GetLambdaInstance(BfLambdaBindExpression* lambdaBindExpr, BfAllocTarget& allocTarget)
|
|
{
|
|
if (mModule->mCurMethodState == NULL)
|
|
return NULL;
|
|
|
|
auto rootMethodState = mModule->mCurMethodState->GetRootMethodState();
|
|
BfAstNodeList cacheNodeList;
|
|
cacheNodeList.mList.Add(lambdaBindExpr);
|
|
|
|
///
|
|
{
|
|
auto checkMethodState = mModule->mCurMethodState;
|
|
while (checkMethodState != NULL)
|
|
{
|
|
if (checkMethodState->mMixinState != NULL)
|
|
cacheNodeList.mList.Add(checkMethodState->mMixinState->mSource);
|
|
checkMethodState = checkMethodState->mPrevMethodState;
|
|
}
|
|
}
|
|
|
|
bool isInferReturnType = (mBfEvalExprFlags & BfEvalExprFlags_InferReturnType) != 0;
|
|
|
|
BfLambdaInstance* lambdaInstance = NULL;
|
|
if ((!isInferReturnType) && (rootMethodState->mLambdaCache.TryGetValue(cacheNodeList, &lambdaInstance)))
|
|
return lambdaInstance;
|
|
|
|
static int sBindCount = 0;
|
|
sBindCount++;
|
|
|
|
bool isFunctionBind = false;
|
|
|
|
BfTypeInstance* delegateTypeInstance = NULL;
|
|
BfMethodInstance* invokeMethodInstance = NULL;
|
|
if (mExpectingType == NULL)
|
|
{
|
|
mModule->Fail("Cannot infer delegate type", lambdaBindExpr);
|
|
delegateTypeInstance = mModule->ResolveTypeDef(mModule->mCompiler->mActionTypeDef)->ToTypeInstance();
|
|
}
|
|
else
|
|
{
|
|
delegateTypeInstance = mExpectingType->ToTypeInstance();
|
|
if ((delegateTypeInstance == NULL) ||
|
|
((!delegateTypeInstance->mTypeDef->mIsDelegate) && (!delegateTypeInstance->mTypeDef->mIsFunction)))
|
|
{
|
|
if (lambdaBindExpr->mFatArrowToken != NULL)
|
|
mModule->Fail("Can only bind lambdas to delegate types", lambdaBindExpr->mFatArrowToken);
|
|
delegateTypeInstance = mModule->ResolveTypeDef(mModule->mCompiler->mActionTypeDef)->ToTypeInstance();
|
|
}
|
|
else
|
|
{
|
|
invokeMethodInstance = mModule->GetRawMethodInstanceAtIdx(delegateTypeInstance, 0, "Invoke");
|
|
}
|
|
|
|
isFunctionBind = delegateTypeInstance->mTypeDef->mIsFunction;
|
|
}
|
|
|
|
if (auto tokenNode = BfNodeDynCast<BfTokenNode>(lambdaBindExpr->mNewToken))
|
|
{
|
|
if (isFunctionBind)
|
|
{
|
|
mModule->Fail("Function lambda binding does not require allocation", lambdaBindExpr->mNewToken);
|
|
}
|
|
else if (tokenNode->GetToken() == BfToken_Append)
|
|
{
|
|
mModule->Fail("Append allocation on delegate bind not supported", lambdaBindExpr->mNewToken);
|
|
}
|
|
}
|
|
|
|
if (invokeMethodInstance != NULL)
|
|
{
|
|
if ((int)lambdaBindExpr->mParams.size() < invokeMethodInstance->GetParamCount())
|
|
{
|
|
BfAstNode* refNode = lambdaBindExpr->mCloseParen;
|
|
if (refNode == NULL)
|
|
refNode = lambdaBindExpr;
|
|
mModule->Fail(StrFormat("Not enough parameters for delegate type '%s'. Expected %d more.",
|
|
mModule->TypeToString(delegateTypeInstance).c_str(), invokeMethodInstance->GetParamCount() - lambdaBindExpr->mParams.size()), refNode);
|
|
}
|
|
else if ((int)lambdaBindExpr->mParams.size() > invokeMethodInstance->GetParamCount())
|
|
{
|
|
BfAstNode* refNode = lambdaBindExpr->mParams[invokeMethodInstance->GetParamCount()];
|
|
mModule->Fail(StrFormat("Too many parameters for delegate type '%s'. Expected %d fewer.",
|
|
mModule->TypeToString(delegateTypeInstance).c_str(), lambdaBindExpr->mParams.size() - invokeMethodInstance->GetParamCount()), refNode);
|
|
}
|
|
}
|
|
|
|
auto autoComplete = GetAutoComplete();
|
|
|
|
bool wasCapturingMethodInfo = false;
|
|
if ((autoComplete != NULL) && (invokeMethodInstance != NULL))
|
|
{
|
|
wasCapturingMethodInfo = autoComplete->mIsCapturingMethodMatchInfo;
|
|
|
|
bool isAutocompleteNode = false;
|
|
if (lambdaBindExpr->mFatArrowToken != NULL)
|
|
{
|
|
if (autoComplete->IsAutocompleteNode(lambdaBindExpr, lambdaBindExpr->mFatArrowToken))
|
|
isAutocompleteNode = true;
|
|
}
|
|
else if (autoComplete->IsAutocompleteNode(lambdaBindExpr))
|
|
isAutocompleteNode = true;
|
|
|
|
if (isAutocompleteNode)
|
|
autoComplete->CheckInvocation(lambdaBindExpr, lambdaBindExpr->mOpenParen, lambdaBindExpr->mCloseParen, lambdaBindExpr->mCommas);
|
|
|
|
if (autoComplete->mIsCapturingMethodMatchInfo)
|
|
{
|
|
autoComplete->mMethodMatchInfo->mInstanceList.Clear();
|
|
|
|
auto methodMatchInfo = autoComplete->mMethodMatchInfo;
|
|
|
|
BfAutoComplete::MethodMatchEntry methodMatchEntry;
|
|
methodMatchEntry.mTypeInstance = invokeMethodInstance->GetOwner();
|
|
methodMatchEntry.mCurMethodInstance = mModule->mCurMethodInstance;
|
|
methodMatchEntry.mMethodDef = invokeMethodInstance->mMethodDef;
|
|
autoComplete->mMethodMatchInfo->mInstanceList.push_back(methodMatchEntry);
|
|
|
|
methodMatchInfo->mBestIdx = 0;
|
|
methodMatchInfo->mMostParamsMatched = 0;
|
|
|
|
int cursorIdx = lambdaBindExpr->GetParser()->mCursorIdx;
|
|
if ((lambdaBindExpr->mCloseParen == NULL) || (cursorIdx <= lambdaBindExpr->mCloseParen->GetSrcStart()))
|
|
{
|
|
int paramIdx = 0;
|
|
for (int commaIdx = 0; commaIdx < (int)lambdaBindExpr->mCommas.size(); commaIdx++)
|
|
{
|
|
auto commaNode = lambdaBindExpr->mCommas[commaIdx];
|
|
if ((commaNode != NULL) && (cursorIdx >= commaNode->GetSrcStart()))
|
|
paramIdx = commaIdx + 1;
|
|
}
|
|
|
|
bool isEmpty = true;
|
|
|
|
if (paramIdx < (int)lambdaBindExpr->mParams.size())
|
|
{
|
|
auto paramNode = lambdaBindExpr->mParams[paramIdx];
|
|
if (paramNode != NULL)
|
|
isEmpty = false;
|
|
}
|
|
|
|
if (isEmpty)
|
|
{
|
|
if (paramIdx < (int)invokeMethodInstance->GetParamCount())
|
|
{
|
|
String paramName = invokeMethodInstance->GetParamName(paramIdx);
|
|
autoComplete->mEntriesSet.Clear();
|
|
if (paramName.IsEmpty())
|
|
paramName += StrFormat("val%d", paramIdx + 1);
|
|
autoComplete->AddEntry(AutoCompleteEntry("paramName", paramName));
|
|
autoComplete->mInsertStartIdx = cursorIdx;
|
|
autoComplete->mInsertEndIdx = cursorIdx;
|
|
|
|
if ((paramIdx == 0) && (lambdaBindExpr->mParams.IsEmpty()))
|
|
{
|
|
String totalNames;
|
|
for (int checkIdx = 0; checkIdx < (int)invokeMethodInstance->GetParamCount(); checkIdx++)
|
|
{
|
|
if (!totalNames.IsEmpty())
|
|
totalNames += ", ";
|
|
String paramName = invokeMethodInstance->GetParamName(checkIdx);
|
|
if (paramName.IsEmpty())
|
|
paramName += StrFormat("val%d", checkIdx + 1);
|
|
totalNames += paramName;
|
|
}
|
|
autoComplete->AddEntry(AutoCompleteEntry("paramNames", totalNames));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
defer
|
|
(
|
|
{
|
|
if (autoComplete != NULL)
|
|
autoComplete->mIsCapturingMethodMatchInfo = (wasCapturingMethodInfo) && (!autoComplete->mIsCapturingMethodMatchInfo) && (autoComplete->mMethodMatchInfo != NULL);
|
|
}
|
|
);
|
|
|
|
if (lambdaBindExpr->mBody == NULL)
|
|
{
|
|
mModule->AssertErrorState();
|
|
return NULL;
|
|
}
|
|
|
|
if ((lambdaBindExpr->mNewToken == NULL) && (isInferReturnType))
|
|
{
|
|
// Method ref, but let this follow infer route
|
|
}
|
|
else if ((lambdaBindExpr->mNewToken == NULL) || (isFunctionBind))
|
|
{
|
|
if ((mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mClosureState != NULL) && (mModule->mCurMethodState->mClosureState->mCapturing))
|
|
{
|
|
SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, true);
|
|
VisitLambdaBodies(lambdaBindExpr->mBody, lambdaBindExpr->mDtor);
|
|
}
|
|
|
|
if ((lambdaBindExpr->mNewToken != NULL) && (isFunctionBind))
|
|
mModule->Fail("Binds to functions should do not require allocations.", lambdaBindExpr->mNewToken);
|
|
|
|
if (lambdaBindExpr->mDtor != NULL)
|
|
{
|
|
mModule->Fail("Valueless method reference cannot contain destructor. Consider either removing destructor or using an allocated lambda.", lambdaBindExpr->mDtor->mTildeToken);
|
|
|
|
// Eat it
|
|
auto fieldDtor = lambdaBindExpr->mDtor;
|
|
while (fieldDtor != NULL)
|
|
{
|
|
mModule->VisitEmbeddedStatement(fieldDtor->mBody);
|
|
fieldDtor = fieldDtor->mNextFieldDtor;
|
|
}
|
|
}
|
|
|
|
if (invokeMethodInstance != NULL)
|
|
{
|
|
BfLocalMethod* localMethod = new BfLocalMethod();
|
|
localMethod->mMethodName = "anon";
|
|
localMethod->mSystem = mModule->mSystem;
|
|
localMethod->mModule = mModule;
|
|
|
|
localMethod->mExpectedFullName = mModule->GetLocalMethodName(localMethod->mMethodName, lambdaBindExpr->mFatArrowToken, mModule->mCurMethodState, mModule->mCurMethodState->mMixinState);
|
|
|
|
localMethod->mLambdaInvokeMethodInstance = invokeMethodInstance;
|
|
localMethod->mLambdaBindExpr = lambdaBindExpr;
|
|
localMethod->mDeclMethodState = mModule->mCurMethodState;
|
|
mModule->mContext->mLocalMethodGraveyard.push_back(localMethod);
|
|
|
|
auto moduleMethodInstance = mModule->GetLocalMethodInstance(localMethod, BfTypeVector());
|
|
|
|
if (moduleMethodInstance.mMethodInstance->mDisallowCalling)
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(mExpectingType, false, BfDefaultValueKind_Addr);
|
|
return NULL;
|
|
}
|
|
|
|
auto methodRefType = mModule->CreateMethodRefType(moduleMethodInstance.mMethodInstance);
|
|
mModule->AddDependency(methodRefType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_Calls);
|
|
mModule->AddCallDependency(moduleMethodInstance.mMethodInstance);
|
|
mResult = BfTypedValue(BfIRValue(BfIRValueFlags_Value, BfIRValue::ID_IMPLICIT), methodRefType);
|
|
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
//SetAndRestoreValue<bool> prevIgnoreIRWrites(mModule->mBfIRBuilder->mIgnoreWrites, mModule->mWantsIRIgnoreWrites);
|
|
SetAndRestoreValue<bool> prevIgnoreIRWrites(mModule->mBfIRBuilder->mIgnoreWrites, mModule->mWantsIRIgnoreWrites || mModule->mCurMethodInstance->mIsUnspecialized);
|
|
|
|
BfTypeInstance* outerClosure = NULL;
|
|
if ((mModule->mCurMethodState->mClosureState != NULL) && (!mModule->mCurMethodState->mClosureState->mCapturing))
|
|
outerClosure = mModule->mCurMethodState->mClosureState->mClosureType;
|
|
|
|
Val128 val128(delegateTypeInstance->mTypeId);
|
|
|
|
bool isConstEval = ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0);
|
|
|
|
BfMethodState methodState;
|
|
methodState.mPrevMethodState = mModule->mCurMethodState;
|
|
BfIRFunctionType funcType;
|
|
auto voidType = mModule->GetPrimitiveType(BfTypeCode_None);
|
|
SizedArray<BfIRType, 0> paramTypes;
|
|
funcType = mModule->mBfIRBuilder->CreateFunctionType(mModule->mBfIRBuilder->MapType(voidType), paramTypes, false);
|
|
|
|
auto prevInsertBlock = mModule->mBfIRBuilder->GetInsertBlock();
|
|
BF_ASSERT(prevInsertBlock || isConstEval);
|
|
auto prevActiveFunction = mModule->mBfIRBuilder->GetActiveFunction();
|
|
mModule->mBfIRBuilder->SaveDebugLocation();
|
|
|
|
SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
|
|
|
|
BfDeferredLocalAssignData deferredLocalAssignData;
|
|
if (mModule->mCurMethodState->mDeferredLocalAssignData != NULL)
|
|
deferredLocalAssignData.ExtendFrom(mModule->mCurMethodState->mDeferredLocalAssignData);
|
|
SetAndRestoreValue<BfMethodState*> prevMethodState(mModule->mCurMethodState, &methodState);
|
|
|
|
methodState.mIRHeadBlock = mModule->mBfIRBuilder->CreateBlock("head", true);
|
|
methodState.mIRInitBlock = mModule->mBfIRBuilder->CreateBlock("init", true);
|
|
methodState.mIREntryBlock = mModule->mBfIRBuilder->CreateBlock("entry", true);
|
|
methodState.mCurScope->mDIScope = prevMethodState.mPrevVal->mCurScope->mDIScope;//invokeMethodInstance->mDIFunction;
|
|
|
|
methodState.mCurLocalVarId = -1;
|
|
|
|
methodState.mIRFunction = prevMethodState.mPrevVal->mIRFunction;
|
|
methodState.mDeferredLocalAssignData = &deferredLocalAssignData;
|
|
|
|
mModule->mBfIRBuilder->SetInsertPoint(methodState.mIREntryBlock);
|
|
|
|
BfClosureState closureState;
|
|
if (delegateTypeInstance->IsDelegate())
|
|
closureState.mReturnType = mModule->GetDelegateReturnType(delegateTypeInstance);
|
|
else
|
|
closureState.mReturnType = mModule->mContext->mBfObjectType;
|
|
closureState.mCapturing = true;
|
|
if (delegateTypeInstance->IsDelegate())
|
|
closureState.mDelegateType = delegateTypeInstance;
|
|
closureState.mDeclaringMethodIsMutating = mModule->mCurMethodInstance->mMethodDef->mIsMutating;
|
|
methodState.mClosureState = &closureState;
|
|
closureState.mClosureType = outerClosure;
|
|
|
|
BF_ASSERT(methodState.mCurLocalVarId == -1);
|
|
|
|
int outerLocalsCount = (int)methodState.mLocals.size();
|
|
|
|
// static int sItrCount = 0;
|
|
// ++sItrCount;
|
|
// int itrCount = sItrCount;
|
|
// if ((itrCount == 8) || (itrCount == 10))
|
|
// {
|
|
// NOP;
|
|
// }
|
|
|
|
String delegateTypeName = mModule->TypeToString(delegateTypeInstance);
|
|
|
|
HashContext hashCtx;
|
|
hashCtx.MixinStr(delegateTypeName);
|
|
|
|
BfSource* bfSource = delegateTypeInstance->mTypeDef->mSource;
|
|
BfMethodDef* methodDef = new BfMethodDef();
|
|
methodDef->mDeclaringType = mModule->mCurMethodInstance->mMethodDef->mDeclaringType;
|
|
Val128 closureMethodHash;
|
|
OwnedVector<BfParameterDeclaration> tempParamDecls;
|
|
|
|
if ((autoComplete != NULL) && (autoComplete->mMethodMatchInfo != NULL) && (autoComplete->IsAutocompleteNode(lambdaBindExpr->mBody)))
|
|
{
|
|
// Don't show outer method match info when our cursor is inside a lambda expression (being passed as a parameter)
|
|
autoComplete->RemoveMethodMatchInfo();
|
|
}
|
|
|
|
if (invokeMethodInstance != NULL)
|
|
{
|
|
for (int paramIdx = 0; paramIdx < (int)invokeMethodInstance->mMethodDef->mParams.size(); paramIdx++)
|
|
{
|
|
auto invokeParamDef = invokeMethodInstance->mMethodDef->mParams[paramIdx];
|
|
|
|
BfParameterDef* paramDef = new BfParameterDef();
|
|
paramDef->mParamDeclaration = tempParamDecls.Alloc();
|
|
BfAstNode::Zero(paramDef->mParamDeclaration);
|
|
|
|
BfLocalVariable* localVar = new BfLocalVariable();
|
|
if (paramIdx < (int)lambdaBindExpr->mParams.size())
|
|
{
|
|
localVar->mName = lambdaBindExpr->mParams[paramIdx]->ToString();
|
|
localVar->mNameNode = lambdaBindExpr->mParams[paramIdx];
|
|
paramDef->mParamDeclaration->mNameNode = lambdaBindExpr->mParams[paramIdx];
|
|
}
|
|
else
|
|
{
|
|
mModule->AssertErrorState();
|
|
localVar->mName = invokeParamDef->mName;
|
|
paramDef->mParamDeclaration->mNameNode = NULL;
|
|
}
|
|
paramDef->mName = localVar->mName;
|
|
methodDef->mParams.push_back(paramDef);
|
|
|
|
localVar->mResolvedType = invokeMethodInstance->GetParamType(paramIdx);
|
|
mModule->PopulateType(localVar->mResolvedType);
|
|
localVar->mAssignedKind = BfLocalVarAssignKind_Unconditional;
|
|
localVar->mReadFromId = 0;
|
|
|
|
auto rootMethodState = methodState.GetRootMethodState();
|
|
localVar->mLocalVarId = rootMethodState->mCurLocalVarId++;
|
|
|
|
mModule->DoAddLocalVariable(localVar);
|
|
|
|
if (autoComplete != NULL)
|
|
autoComplete->CheckLocalDef(BfNodeDynCast<BfIdentifierNode>(paramDef->mParamDeclaration->mNameNode), methodState.mLocals.back());
|
|
auto resolvePassData = mModule->mCompiler->mResolvePassData;
|
|
if (resolvePassData != NULL)
|
|
resolvePassData->HandleLocalReference(BfNodeDynCast<BfIdentifierNode>(paramDef->mParamDeclaration->mNameNode), mModule->mCurTypeInstance->mTypeDef,
|
|
mModule->mCurMethodInstance->mMethodDef, localVar->mLocalVarId);
|
|
}
|
|
}
|
|
|
|
bool isAutocomplete = mModule->mCompiler->IsAutocomplete();
|
|
|
|
methodDef->mIdx = mModule->mCurMethodInstance->mMethodDef->mIdx;
|
|
methodDef->mBody = lambdaBindExpr->mBody;
|
|
///
|
|
|
|
auto varMethodState = methodState.mPrevMethodState;
|
|
bool hasExplicitCaptureNames = false;
|
|
|
|
for (auto& captureEntry : allocTarget.mCaptureInfo->mCaptures)
|
|
{
|
|
if (captureEntry.mNameNode == NULL)
|
|
{
|
|
hasExplicitCaptureNames = false;
|
|
break;
|
|
}
|
|
|
|
hasExplicitCaptureNames = true;
|
|
}
|
|
|
|
auto _SetNotCapturedFlag = [&](bool notCaptured)
|
|
{
|
|
auto varMethodState = methodState.mPrevMethodState;
|
|
while (varMethodState != NULL)
|
|
{
|
|
for (int localIdx = 0; localIdx < varMethodState->mLocals.size(); localIdx++)
|
|
{
|
|
auto localVar = varMethodState->mLocals[localIdx];
|
|
localVar->mNotCaptured = notCaptured;
|
|
}
|
|
|
|
varMethodState = varMethodState->mPrevMethodState;
|
|
if (varMethodState == NULL)
|
|
break;
|
|
if (varMethodState->mMixinState != NULL)
|
|
break;
|
|
if (varMethodState->mClosureState != NULL)
|
|
{
|
|
if (!varMethodState->mClosureState->mCapturing)
|
|
break;
|
|
}
|
|
}
|
|
};
|
|
|
|
if (hasExplicitCaptureNames)
|
|
{
|
|
_SetNotCapturedFlag(true);
|
|
|
|
auto varMethodState = methodState.mPrevMethodState;
|
|
while (varMethodState != NULL)
|
|
{
|
|
for (auto& captureEntry : allocTarget.mCaptureInfo->mCaptures)
|
|
{
|
|
if (captureEntry.mNameNode != NULL)
|
|
{
|
|
StringT<64> captureName;
|
|
captureEntry.mNameNode->ToString(captureName);
|
|
BfLocalVarEntry* entry;
|
|
if (varMethodState->mLocalVarSet.TryGetWith<StringImpl&>(captureName, &entry))
|
|
{
|
|
auto localVar = entry->mLocalVar;
|
|
while (localVar != NULL)
|
|
{
|
|
if (autoComplete != NULL)
|
|
autoComplete->CheckLocalRef(captureEntry.mNameNode, localVar);
|
|
if (((mModule->mCurMethodState->mClosureState == NULL) || (mModule->mCurMethodState->mClosureState->mCapturing)) &&
|
|
(mModule->mCompiler->mResolvePassData != NULL) && (mModule->mCurMethodInstance != NULL))
|
|
{
|
|
if (auto captureIdentifierNode = BfNodeDynCast<BfIdentifierNode>(captureEntry.mNameNode))
|
|
mModule->mCompiler->mResolvePassData->HandleLocalReference(captureIdentifierNode, localVar->mNameNode, mModule->mCurTypeInstance->mTypeDef, rootMethodState->mMethodInstance->mMethodDef, localVar->mLocalVarId);
|
|
}
|
|
|
|
localVar->mNotCaptured = false;
|
|
localVar = localVar->mShadowedLocal;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
varMethodState = varMethodState->mPrevMethodState;
|
|
if (varMethodState == NULL)
|
|
break;
|
|
if (varMethodState->mMixinState != NULL)
|
|
break;
|
|
if (varMethodState->mClosureState != NULL)
|
|
{
|
|
if (!varMethodState->mClosureState->mCapturing)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
BfClosureInstanceInfo* closureInstanceInfo = new BfClosureInstanceInfo();
|
|
|
|
auto checkInsertBlock = mModule->mBfIRBuilder->GetInsertBlock();
|
|
closureState.mCaptureStartAccessId = methodState.mPrevMethodState->GetRootMethodState()->mCurAccessId;
|
|
closureState.mCaptureVisitingBody = true;
|
|
closureState.mClosureInstanceInfo = closureInstanceInfo;
|
|
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_InferReturnType) != 0)
|
|
{
|
|
closureState.mReturnType = NULL;
|
|
closureState.mReturnTypeInferState = BfReturnTypeInferState_Inferring;
|
|
}
|
|
|
|
VisitLambdaBodies(lambdaBindExpr->mBody, lambdaBindExpr->mDtor);
|
|
|
|
if (hasExplicitCaptureNames)
|
|
_SetNotCapturedFlag(false);
|
|
|
|
// If we ended up being called by a method with a lower captureStartAccessId, propagate that to whoever is calling us, too...
|
|
if ((methodState.mPrevMethodState->mClosureState != NULL) && (methodState.mPrevMethodState->mClosureState->mCapturing))
|
|
{
|
|
auto prevClosureState = methodState.mPrevMethodState->mClosureState;
|
|
if (closureState.mCaptureStartAccessId < prevClosureState->mCaptureStartAccessId)
|
|
prevClosureState->mCaptureStartAccessId = closureState.mCaptureStartAccessId;
|
|
}
|
|
|
|
bool earlyExit = false;
|
|
if (isInferReturnType)
|
|
{
|
|
if ((closureState.mReturnTypeInferState == BfReturnTypeInferState_Fail) ||
|
|
(closureState.mReturnType == NULL))
|
|
{
|
|
mResult = BfTypedValue();
|
|
}
|
|
else
|
|
{
|
|
mResult = BfTypedValue(closureState.mReturnType);
|
|
}
|
|
|
|
earlyExit = true;
|
|
}
|
|
else if (mModule->mCurMethodInstance->mIsUnspecialized)
|
|
{
|
|
earlyExit = true;
|
|
mResult = mModule->GetDefaultTypedValue(delegateTypeInstance);
|
|
}
|
|
|
|
if (earlyExit)
|
|
{
|
|
prevIgnoreWrites.Restore();
|
|
mModule->mBfIRBuilder->RestoreDebugLocation();
|
|
|
|
mModule->mBfIRBuilder->SetActiveFunction(prevActiveFunction);
|
|
if (!prevInsertBlock.IsFake())
|
|
mModule->mBfIRBuilder->SetInsertPoint(prevInsertBlock);
|
|
delete methodDef;
|
|
delete closureInstanceInfo;
|
|
return NULL;
|
|
}
|
|
|
|
closureState.mCaptureVisitingBody = false;
|
|
|
|
prevIgnoreWrites.Restore();
|
|
mModule->mBfIRBuilder->RestoreDebugLocation();
|
|
|
|
auto _GetCaptureType = [&](const StringImpl& str, BfCaptureInfo::Entry** captureInfo = NULL)
|
|
{
|
|
if (allocTarget.mCaptureInfo->mCaptures.IsEmpty())
|
|
return BfCaptureType_Copy;
|
|
|
|
for (auto& captureEntry : allocTarget.mCaptureInfo->mCaptures)
|
|
{
|
|
if ((captureEntry.mNameNode == NULL) || (captureEntry.mNameNode->Equals(str)))
|
|
{
|
|
if (captureInfo != NULL)
|
|
*captureInfo = &captureEntry;
|
|
|
|
captureEntry.mUsed = true;
|
|
return captureEntry.mCaptureType;
|
|
}
|
|
}
|
|
|
|
return BfCaptureType_None;
|
|
};
|
|
|
|
Array<BfClosureCapturedEntry> capturedEntries;
|
|
|
|
bool copyOuterCaptures = false;
|
|
//
|
|
{
|
|
auto varMethodState = methodState.mPrevMethodState;
|
|
|
|
while (varMethodState != NULL)
|
|
{
|
|
for (int localIdx = 0; localIdx < varMethodState->mLocals.size(); localIdx++)
|
|
{
|
|
auto localVar = varMethodState->mLocals[localIdx];
|
|
if ((localVar->mReadFromId >= closureState.mCaptureStartAccessId) || (localVar->mWrittenToId >= closureState.mCaptureStartAccessId))
|
|
{
|
|
if ((localVar->mIsThis) && (outerClosure != NULL))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
auto outerLocal = localVar;
|
|
|
|
if ((localVar->mConstValue) || (localVar->mResolvedType->IsValuelessType()))
|
|
{
|
|
closureState.mConstLocals.push_back(*outerLocal);
|
|
continue;
|
|
}
|
|
|
|
BfClosureCapturedEntry capturedEntry;
|
|
|
|
auto capturedType = outerLocal->mResolvedType;
|
|
bool captureByRef = false;
|
|
|
|
BfCaptureInfo::Entry* captureInfoEntry = NULL;
|
|
|
|
auto captureType = _GetCaptureType(localVar->mName, &captureInfoEntry);
|
|
if (captureType == BfCaptureType_None)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (!capturedType->IsRef())
|
|
{
|
|
if (captureType == BfCaptureType_Reference)
|
|
{
|
|
if ((localVar->mIsThis) && (!localVar->mResolvedType->IsValueType()))
|
|
{
|
|
// Just ignore attempting to capture referencetype 'this' by reference
|
|
}
|
|
else
|
|
captureByRef = true;
|
|
}
|
|
else if (captureType == BfCaptureType_Auto)
|
|
{
|
|
if (localVar->mWrittenToId >= closureState.mCaptureStartAccessId)
|
|
captureByRef = true;
|
|
else if ((outerLocal->mResolvedType->mSize > 8) ||
|
|
((localVar->mIsThis) && (outerLocal->mResolvedType->IsValueType())))
|
|
{
|
|
// Capture "large" values by reference
|
|
captureByRef = true;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
bool allowRef = false;
|
|
if (captureType == BfCaptureType_Reference)
|
|
allowRef = true;
|
|
else if (captureType == BfCaptureType_Auto)
|
|
allowRef = localVar->mWrittenToId < closureState.mCaptureStartAccessId;
|
|
if (!allowRef)
|
|
{
|
|
capturedType = ((BfRefType*)capturedType)->mElementType;
|
|
}
|
|
}
|
|
|
|
if (captureByRef)
|
|
{
|
|
capturedType = mModule->CreateRefType(capturedType);
|
|
}
|
|
|
|
if (captureType != BfCaptureType_Copy)
|
|
capturedEntry.mExplicitlyByReference = true;
|
|
capturedEntry.mType = capturedType;
|
|
capturedEntry.mNameNode = outerLocal->mNameNode;
|
|
if (outerLocal->mName == "this")
|
|
capturedEntry.mName = "__this";
|
|
else
|
|
{
|
|
capturedEntry.mName = outerLocal->mName;
|
|
|
|
BfLocalVarEntry* entry = NULL;
|
|
if (varMethodState->mLocalVarSet.TryGetWith<StringImpl&>(capturedEntry.mName, &entry))
|
|
{
|
|
auto startCheckVar = entry->mLocalVar;
|
|
|
|
int shadowIdx = 0;
|
|
auto checkVar = startCheckVar;
|
|
while (checkVar != NULL)
|
|
{
|
|
if (checkVar == outerLocal)
|
|
{
|
|
// We only use mShadowIdx when we have duplicate name nodes (ie: in the case of for looks with iterator vs value)
|
|
auto shadowCheckVar = startCheckVar;
|
|
while (shadowCheckVar != checkVar)
|
|
{
|
|
if (shadowCheckVar->mNameNode == checkVar->mNameNode)
|
|
capturedEntry.mShadowIdx++;
|
|
|
|
shadowCheckVar = shadowCheckVar->mShadowedLocal;
|
|
}
|
|
|
|
for (int i = 0; i < shadowIdx; i++)
|
|
capturedEntry.mName.Insert(0, '@');
|
|
|
|
break;
|
|
}
|
|
|
|
shadowIdx++;
|
|
checkVar = checkVar->mShadowedLocal;
|
|
}
|
|
}
|
|
}
|
|
capturedEntries.Add(capturedEntry);
|
|
}
|
|
}
|
|
|
|
varMethodState = varMethodState->mPrevMethodState;
|
|
if (varMethodState == NULL)
|
|
break;
|
|
|
|
if (varMethodState->mMixinState != NULL)
|
|
break;
|
|
|
|
if (varMethodState->mClosureState != NULL)
|
|
{
|
|
if (!varMethodState->mClosureState->mCapturing)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
for (auto& captureEntry : allocTarget.mCaptureInfo->mCaptures)
|
|
{
|
|
if ((!captureEntry.mUsed) && (captureEntry.mNameNode != NULL))
|
|
mModule->Warn(0, "Capture specifier not used", captureEntry.mNameNode);
|
|
}
|
|
|
|
for (auto copyField : closureState.mReferencedOuterClosureMembers)
|
|
{
|
|
auto fieldDef = copyField->GetFieldDef();
|
|
auto captureType = _GetCaptureType(fieldDef->mName);
|
|
|
|
BfClosureCapturedEntry capturedEntry;
|
|
capturedEntry.mName = fieldDef->mName;
|
|
capturedEntry.mType = copyField->mResolvedType;
|
|
if ((captureType != BfCaptureType_Copy) && (capturedEntry.mType->IsRef()))
|
|
{
|
|
capturedEntry.mExplicitlyByReference = true;
|
|
}
|
|
else if ((captureType == BfCaptureType_Copy) && (capturedEntry.mType->IsRef()))
|
|
{
|
|
auto refType = (BfRefType*)capturedEntry.mType;
|
|
capturedEntry.mType = refType->mElementType;
|
|
}
|
|
else if ((captureType != BfCaptureType_Copy) && (!capturedEntry.mType->IsRef()) && (!fieldDef->mIsReadOnly))
|
|
{
|
|
capturedEntry.mType = mModule->CreateRefType(capturedEntry.mType);
|
|
}
|
|
}
|
|
|
|
std::sort(capturedEntries.begin(), capturedEntries.end());
|
|
|
|
bool hasCapture = false;
|
|
|
|
BfMethodInstanceGroup methodInstanceGroup;
|
|
methodInstanceGroup.mOwner = mModule->mCurTypeInstance;
|
|
methodInstanceGroup.mOnDemandKind = BfMethodOnDemandKind_AlwaysInclude;
|
|
|
|
BfMethodInstance* methodInstance = new BfMethodInstance();
|
|
methodInstance->mMethodInstanceGroup = &methodInstanceGroup;
|
|
methodInstance->GetMethodInfoEx()->mClosureInstanceInfo = closureInstanceInfo;
|
|
if (invokeMethodInstance != NULL)
|
|
methodInstance->mParams = invokeMethodInstance->mParams;
|
|
methodInstance->mIsClosure = true;
|
|
|
|
// We want the closure ID to match between hot reloads -- otherwise we wouldn't be able to modify them,
|
|
// so we use the charId from the 'fat arrow' token
|
|
int closureId = 0;
|
|
if (lambdaBindExpr->mFatArrowToken != NULL)
|
|
closureId = lambdaBindExpr->mFatArrowToken->GetStartCharId();
|
|
|
|
auto curProject = mModule->mCurTypeInstance->mTypeDef->mProject;
|
|
BF_ASSERT(curProject != NULL);
|
|
|
|
// We need to make these per-project even though you'd think we might not because we
|
|
// insert generic type specializations in the generic definition's project,
|
|
// BECAUSE: we would need to scan the captured fields the same way we scan the
|
|
// generic arguments to determine if each project can see it or not in the vdata
|
|
|
|
BfTypeInstance* useTypeInstance = delegateTypeInstance;
|
|
BfClosureType* closureTypeInst = NULL;
|
|
|
|
// If we are allowing hot swapping we may add a capture later. We also need an equal method that ignores 'target' even when we're capturing ourself
|
|
if ((capturedEntries.size() != 0) || (lambdaBindExpr->mDtor != NULL) || (copyOuterCaptures) || (mModule->mCompiler->mOptions.mAllowHotSwapping) || (closureState.mCapturedDelegateSelf))
|
|
{
|
|
hashCtx.MixinStr(curProject->mName);
|
|
|
|
if (copyOuterCaptures)
|
|
{
|
|
hashCtx.Mixin(outerClosure->mTypeId);
|
|
}
|
|
|
|
for (auto& capturedEntry : capturedEntries)
|
|
{
|
|
hashCtx.Mixin(capturedEntry.mType->mTypeId);
|
|
hashCtx.MixinStr(capturedEntry.mName);
|
|
hashCtx.Mixin(capturedEntry.mExplicitlyByReference);
|
|
}
|
|
|
|
if (lambdaBindExpr->mDtor != NULL)
|
|
{
|
|
// Has DTOR thunk
|
|
bool hasDtorThunk = true;
|
|
hashCtx.Mixin(hasDtorThunk);
|
|
}
|
|
|
|
Val128 hash128 = hashCtx.Finish128();
|
|
BfClosureType* checkClosureType = new BfClosureType(delegateTypeInstance, hash128);
|
|
checkClosureType->mContext = mModule->mContext;
|
|
checkClosureType->mBaseType = delegateTypeInstance;
|
|
BfType* resolvedClosureType = mModule->ResolveType(checkClosureType, BfPopulateType_TypeDef);
|
|
closureTypeInst = (BfClosureType*)resolvedClosureType;
|
|
if (checkClosureType == resolvedClosureType)
|
|
{
|
|
// This is a new closure type
|
|
closureTypeInst->Init(curProject);
|
|
closureTypeInst->mTypeDef->mProject = curProject;
|
|
|
|
auto delegateDirectTypeRef = BfAstNode::ZeroedAlloc<BfDirectTypeDefReference>();
|
|
delegateDirectTypeRef->Init(mModule->mCompiler->mDelegateTypeDef);
|
|
closureTypeInst->mDirectAllocNodes.push_back(delegateDirectTypeRef);
|
|
|
|
BfMethodDef* methodDef = BfDefBuilder::AddMethod(closureTypeInst->mTypeDef, BfMethodType_Normal, BfProtection_Public, false, "Equals");
|
|
methodDef->mReturnTypeRef = mModule->mSystem->mDirectBoolTypeRef;
|
|
BfDefBuilder::AddParam(methodDef, delegateDirectTypeRef, "val");
|
|
methodDef->mIsVirtual = true;
|
|
methodDef->mIsOverride = true;
|
|
|
|
if (copyOuterCaptures)
|
|
{
|
|
for (auto& fieldInstance : outerClosure->mFieldInstances)
|
|
{
|
|
BfFieldDef* origFieldDef = fieldInstance.GetFieldDef();
|
|
BfFieldDef* fieldDef = closureTypeInst->AddField(fieldInstance.mResolvedType, origFieldDef->mName);
|
|
fieldDef->mIsReadOnly = origFieldDef->mIsReadOnly;
|
|
}
|
|
}
|
|
|
|
for (auto& capturedEntry : capturedEntries)
|
|
{
|
|
BfFieldDef* fieldDef = closureTypeInst->AddField(capturedEntry.mType, capturedEntry.mName);
|
|
if (!capturedEntry.mExplicitlyByReference)
|
|
fieldDef->mIsReadOnly = true;
|
|
}
|
|
|
|
if (lambdaBindExpr->mDtor != NULL)
|
|
{
|
|
auto dtorDef = closureTypeInst->AddDtor();
|
|
auto voidType = mModule->GetPrimitiveType(BfTypeCode_None);
|
|
auto voidPtrType = mModule->CreatePointerType(voidType);
|
|
closureTypeInst->AddField(voidPtrType, "__dtorThunk");
|
|
}
|
|
|
|
closureTypeInst->Finish();
|
|
}
|
|
else
|
|
{
|
|
// Already had this entry
|
|
delete checkClosureType;
|
|
}
|
|
useTypeInstance = closureTypeInst;
|
|
}
|
|
mModule->mBfIRBuilder->PopulateType(useTypeInstance);
|
|
mModule->PopulateType(useTypeInstance);
|
|
|
|
methodDef->mIsStatic = closureTypeInst == NULL;
|
|
|
|
SizedArray<BfIRType, 8> origParamTypes;
|
|
BfIRType origReturnType;
|
|
|
|
bool forceStatic = false;
|
|
if (invokeMethodInstance != NULL)
|
|
{
|
|
forceStatic = methodDef->mIsStatic;
|
|
auto invokeFunctionType = mModule->mBfIRBuilder->MapMethod(invokeMethodInstance);
|
|
invokeMethodInstance->GetIRFunctionInfo(mModule, origReturnType, origParamTypes, forceStatic);
|
|
}
|
|
else
|
|
{
|
|
origReturnType = mModule->mBfIRBuilder->MapType(mModule->GetPrimitiveType(BfTypeCode_None));
|
|
}
|
|
|
|
SizedArray<BfIRType, 3> newTypes;
|
|
|
|
if ((invokeMethodInstance != NULL) && (GetStructRetIdx(invokeMethodInstance, forceStatic) == 0))
|
|
newTypes.push_back(origParamTypes[0]);
|
|
if (!methodDef->mIsStatic)
|
|
newTypes.push_back(mModule->mBfIRBuilder->MapType(useTypeInstance));
|
|
if ((invokeMethodInstance != NULL) && (GetStructRetIdx(invokeMethodInstance, forceStatic) == 1))
|
|
newTypes.push_back(origParamTypes[1]);
|
|
|
|
int paramStartIdx = 0;
|
|
if ((invokeMethodInstance != NULL) && (GetStructRetIdx(invokeMethodInstance, forceStatic) != -1))
|
|
paramStartIdx++;
|
|
if (!methodDef->mIsStatic)
|
|
paramStartIdx++;
|
|
|
|
for (int i = paramStartIdx; i < (int)origParamTypes.size(); i++)
|
|
newTypes.push_back(origParamTypes[i]);
|
|
auto closureFuncType = mModule->mBfIRBuilder->CreateFunctionType(origReturnType, newTypes, false);
|
|
|
|
prevMethodState.Restore();
|
|
mModule->mBfIRBuilder->SetActiveFunction(prevActiveFunction);
|
|
if ((prevInsertBlock) && (!prevInsertBlock.IsFake()))
|
|
mModule->mBfIRBuilder->SetInsertPoint(prevInsertBlock);
|
|
|
|
// Just a check
|
|
mModule->mBfIRBuilder->GetInsertBlock();
|
|
|
|
//auto rootMethodState = mModule->mCurMethodState;
|
|
|
|
HashContext closureHashCtx;
|
|
closureHashCtx.Mixin(closureId);
|
|
|
|
// When we're a nested lambda, strip off the outer hash and closureTypeInst markers
|
|
methodDef->mName = mModule->mCurMethodInstance->mMethodDef->mName;
|
|
int prevSepPos = (int)methodDef->mName.LastIndexOf('$');
|
|
if (prevSepPos != -1)
|
|
{
|
|
closureHashCtx.Mixin(methodDef->mName.c_str() + prevSepPos, (int)methodDef->mName.length() - prevSepPos);
|
|
methodDef->mName.RemoveToEnd(prevSepPos);
|
|
}
|
|
|
|
// Mix in this because this can be emitted multiple times when there's multiple ctors and field initializers with lambdas
|
|
if (mModule->mCurMethodInstance->mMethodDef->mMethodType == BfMethodType_Ctor)
|
|
{
|
|
if (auto ctorDecl = BfNodeDynCast<BfConstructorDeclaration>(mModule->mCurMethodInstance->mMethodDef->mMethodDeclaration))
|
|
{
|
|
if (ctorDecl->mThisToken != NULL)
|
|
closureHashCtx.Mixin(ctorDecl->mThisToken->GetStartCharId());
|
|
}
|
|
}
|
|
|
|
auto checkMethodState = mModule->mCurMethodState;
|
|
while (checkMethodState != NULL)
|
|
{
|
|
if (checkMethodState->mMethodInstance != NULL)
|
|
{
|
|
if (checkMethodState->mMethodInstance->mMethodInfoEx != NULL)
|
|
{
|
|
for (auto methodGenericArg : checkMethodState->mMethodInstance->mMethodInfoEx->mMethodGenericArguments)
|
|
{
|
|
StringT<128> genericTypeName;
|
|
BfMangler::Mangle(genericTypeName, mModule->mCompiler->GetMangleKind(), methodGenericArg);
|
|
closureHashCtx.MixinStr(genericTypeName);
|
|
}
|
|
}
|
|
}
|
|
checkMethodState = checkMethodState->mPrevMethodState;
|
|
}
|
|
|
|
uint64 closureHash = closureHashCtx.Finish64();
|
|
methodDef->mName += "$";
|
|
methodDef->mName += BfTypeUtils::HashEncode64(closureHash);
|
|
|
|
methodInstance->mMethodDef = methodDef;
|
|
if (invokeMethodInstance != NULL)
|
|
{
|
|
methodInstance->mParams = invokeMethodInstance->mParams;
|
|
methodInstance->mReturnType = invokeMethodInstance->mReturnType;
|
|
}
|
|
else
|
|
methodInstance->mReturnType = mModule->GetPrimitiveType(BfTypeCode_None);
|
|
|
|
StringT<128> closureFuncName;
|
|
BfMangler::Mangle(closureFuncName, mModule->mCompiler->GetMangleKind(), methodInstance);
|
|
|
|
auto closureFunc = mModule->mBfIRBuilder->CreateFunction(closureFuncType, BfIRLinkageType_External, closureFuncName);
|
|
|
|
methodInstance->mIRFunction = closureFunc;
|
|
if (methodInstance->mIsReified)
|
|
mModule->CheckHotMethod(methodInstance, closureFuncName);
|
|
if ((methodInstance->mHotMethod != NULL) && (mModule->mCurMethodState->mHotDataReferenceBuilder))
|
|
mModule->mCurMethodState->mHotDataReferenceBuilder->mInnerMethods.Add(methodInstance->mHotMethod);
|
|
|
|
methodState.Reset();
|
|
|
|
lambdaInstance = new BfLambdaInstance();
|
|
rootMethodState->mLambdaCache[cacheNodeList] = lambdaInstance;
|
|
lambdaInstance->mDelegateTypeInstance = delegateTypeInstance;
|
|
lambdaInstance->mUseTypeInstance = useTypeInstance;
|
|
lambdaInstance->mClosureTypeInstance = closureTypeInst;
|
|
lambdaInstance->mOuterClosure = outerClosure;
|
|
lambdaInstance->mCopyOuterCaptures = copyOuterCaptures;
|
|
lambdaInstance->mDeclaringMethodIsMutating = mModule->mCurMethodInstance->mMethodDef->mIsMutating;
|
|
lambdaInstance->mIsStatic = methodDef->mIsStatic;
|
|
lambdaInstance->mClosureFunc = closureFunc;
|
|
lambdaInstance->mMethodInstance = methodInstance;
|
|
lambdaInstance->mConstLocals = closureState.mConstLocals;
|
|
lambdaInstance->mParamDecls = tempParamDecls;
|
|
lambdaInstance->mDeclMixinState = mModule->mCurMethodState->mMixinState;
|
|
if (lambdaInstance->mDeclMixinState != NULL)
|
|
lambdaInstance->mDeclMixinState->mHasDeferredUsage = true;
|
|
tempParamDecls.ClearWithoutDeleting();
|
|
|
|
closureState.mCapturing = false;
|
|
closureState.mClosureType = useTypeInstance;
|
|
closureInstanceInfo->mThisOverride = useTypeInstance;
|
|
mModule->mIncompleteMethodCount++;
|
|
SetAndRestoreValue<BfClosureState*> prevClosureState(mModule->mCurMethodState->mClosureState, &closureState);
|
|
|
|
if (mModule->HasExecutedOutput())
|
|
mModule->SetupIRMethod(methodInstance, methodInstance->mIRFunction, methodInstance->mAlwaysInline);
|
|
|
|
// This keeps us from giving errors twice. ProcessMethod can give errors when we capture by value but needed to
|
|
// capture by reference, so we still need to do it for resolve-only
|
|
bool processMethods = (mModule->mCompiler->GetAutoComplete() == NULL) && !mModule->mHadBuildError;
|
|
|
|
mModule->mBfIRBuilder->SaveDebugLocation();
|
|
//
|
|
{
|
|
BfGetSymbolReferenceKind prevSymbolRefKind = BfGetSymbolReferenceKind_None;
|
|
if (mModule->mCompiler->mResolvePassData != NULL)
|
|
{
|
|
prevSymbolRefKind = mModule->mCompiler->mResolvePassData->mGetSymbolReferenceKind;
|
|
mModule->mCompiler->mResolvePassData->mGetSymbolReferenceKind = BfGetSymbolReferenceKind_None;
|
|
}
|
|
|
|
if (processMethods)
|
|
{
|
|
// If we are in an always-ignored block, we will have mIgnoreWrites set
|
|
// SetAndRestoreValue<bool> prevWantsIgnoreWrite(mModule->mWantsIRIgnoreWrites, mModule->mBfIRBuilder->mIgnoreWrites);
|
|
// mModule->ProcessMethod(methodInstance);
|
|
}
|
|
|
|
if (mModule->mCompiler->mResolvePassData != NULL)
|
|
mModule->mCompiler->mResolvePassData->mGetSymbolReferenceKind = prevSymbolRefKind;
|
|
}
|
|
mModule->mBfIRBuilder->RestoreDebugLocation();
|
|
if (mModule->IsSkippingExtraResolveChecks())
|
|
closureFunc = BfIRFunction();
|
|
|
|
BfIRFunction dtorFunc;
|
|
if (lambdaBindExpr->mDtor != NULL)
|
|
{
|
|
SizedArray<BfIRType, 1> newTypes;
|
|
newTypes.push_back(mModule->mBfIRBuilder->MapType(useTypeInstance));
|
|
auto voidType = mModule->GetPrimitiveType(BfTypeCode_None);
|
|
auto dtorFuncType = mModule->mBfIRBuilder->CreateFunctionType(mModule->mBfIRBuilder->MapType(voidType), newTypes, false);
|
|
|
|
BfMethodDef* dtorMethodDef = new BfMethodDef();
|
|
dtorMethodDef->mDeclaringType = mModule->mCurMethodInstance->mMethodDef->mDeclaringType;
|
|
dtorMethodDef->mName = "~this$";
|
|
dtorMethodDef->mName += methodDef->mName;
|
|
|
|
dtorMethodDef->mMethodType = BfMethodType_Normal;
|
|
dtorMethodDef->mBody = lambdaBindExpr->mDtor;
|
|
dtorMethodDef->mIdx = mModule->mCurMethodInstance->mMethodDef->mIdx;
|
|
|
|
BfMethodInstance* dtorMethodInstance = new BfMethodInstance();
|
|
dtorMethodInstance->mMethodDef = dtorMethodDef;
|
|
dtorMethodInstance->mReturnType = mModule->GetPrimitiveType(BfTypeCode_None);
|
|
dtorMethodInstance->mMethodInstanceGroup = &methodInstanceGroup;
|
|
|
|
StringT<128> dtorMangledName;
|
|
BfMangler::Mangle(dtorMangledName, mModule->mCompiler->GetMangleKind(), dtorMethodInstance);
|
|
dtorFunc = mModule->mBfIRBuilder->CreateFunction(dtorFuncType, BfIRLinkageType_External, dtorMangledName);
|
|
mModule->SetupIRMethod(NULL, dtorFunc, false);
|
|
dtorMethodInstance->mIRFunction = dtorFunc;
|
|
|
|
mModule->mIncompleteMethodCount++;
|
|
mModule->mBfIRBuilder->SaveDebugLocation();
|
|
//
|
|
if (processMethods)
|
|
{
|
|
// If we are in an always-ignored block, we will have mIgnoreWrites set
|
|
// SetAndRestoreValue<bool> prevWantsIgnoreWrite(mModule->mWantsIRIgnoreWrites, mModule->mBfIRBuilder->mIgnoreWrites);
|
|
// mModule->ProcessMethod(dtorMethodInstance);
|
|
}
|
|
mModule->mBfIRBuilder->RestoreDebugLocation();
|
|
if (mModule->IsSkippingExtraResolveChecks())
|
|
dtorFunc = BfIRFunction();
|
|
|
|
if (dtorMethodInstance->mIsReified)
|
|
mModule->CheckHotMethod(dtorMethodInstance, dtorMangledName);
|
|
if ((dtorMethodInstance->mHotMethod != NULL) && (mModule->mCurMethodState->mHotDataReferenceBuilder))
|
|
mModule->mCurMethodState->mHotDataReferenceBuilder->mInnerMethods.Add(dtorMethodInstance->mHotMethod);
|
|
lambdaInstance->mDtorMethodInstance = dtorMethodInstance;
|
|
lambdaInstance->mDtorFunc = dtorFunc;
|
|
|
|
dtorMethodInstance->mMethodInstanceGroup = NULL;
|
|
}
|
|
|
|
prevClosureState.Restore();
|
|
if ((prevInsertBlock) && (!prevInsertBlock.IsFake()))
|
|
mModule->mBfIRBuilder->SetInsertPoint(prevInsertBlock);
|
|
|
|
for (auto& capturedEntry : capturedEntries)
|
|
{
|
|
BfLambdaCaptureInfo lambdaCapture;
|
|
if (capturedEntry.mName == "__this")
|
|
lambdaCapture.mName = "this";
|
|
else
|
|
lambdaCapture.mName = capturedEntry.mName;
|
|
|
|
lambdaInstance->mCaptures.Add(lambdaCapture);
|
|
closureInstanceInfo->mCaptureEntries.Add(capturedEntry);
|
|
}
|
|
|
|
if (processMethods)
|
|
rootMethodState->mDeferredLambdaInstances.Add(lambdaInstance);
|
|
|
|
methodInstance->mMethodInstanceGroup = NULL;
|
|
|
|
return lambdaInstance;
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfLambdaBindExpression* lambdaBindExpr)
|
|
{
|
|
BfTokenNode* newToken = NULL;
|
|
BfCaptureInfo captureInfo;
|
|
BfAllocTarget allocTarget;
|
|
allocTarget.mCaptureInfo = &captureInfo;
|
|
ResolveAllocTarget(allocTarget, lambdaBindExpr->mNewToken, newToken);
|
|
|
|
if (mModule->mCurMethodInstance == NULL)
|
|
mModule->Fail("Invalid use of lambda bind expression", lambdaBindExpr);
|
|
|
|
if (((mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mClosureState != NULL) && (mModule->mCurMethodState->mClosureState->mBlindCapturing)) ||
|
|
(mModule->mCurMethodInstance == NULL))
|
|
{
|
|
// We're just capturing. We just need to visit the bodies here. This helps infinite recursion with local methods containing lambdas calling each other
|
|
if (lambdaBindExpr->mBody != NULL)
|
|
mModule->VisitChild(lambdaBindExpr->mBody);
|
|
if ((lambdaBindExpr->mDtor != NULL) && (lambdaBindExpr->mDtor->mBody != NULL))
|
|
mModule->VisitChild(lambdaBindExpr->mDtor->mBody);
|
|
return;
|
|
}
|
|
|
|
BfLambdaInstance* lambdaInstance = GetLambdaInstance(lambdaBindExpr, allocTarget);
|
|
if (lambdaInstance == NULL)
|
|
return;
|
|
BfTypeInstance* delegateTypeInstance = lambdaInstance->mDelegateTypeInstance;
|
|
BfTypeInstance* useTypeInstance = lambdaInstance->mUseTypeInstance;
|
|
BfTypeInstance* closureTypeInst = lambdaInstance->mClosureTypeInstance;
|
|
|
|
mResult = BfTypedValue(mModule->AllocFromType(useTypeInstance, allocTarget, BfIRValue(), BfIRValue(), 0, BfAllocFlags_None), useTypeInstance);
|
|
|
|
if (!delegateTypeInstance->IsDelegate())
|
|
{
|
|
mModule->AssertErrorState();
|
|
return;
|
|
}
|
|
|
|
auto baseDelegateType = VerifyBaseDelegateType(delegateTypeInstance->mBaseType);
|
|
if (baseDelegateType == NULL)
|
|
{
|
|
mModule->Fail("Invalid delegate type", lambdaBindExpr);
|
|
return;
|
|
}
|
|
mModule->PopulateType(baseDelegateType);
|
|
|
|
auto& funcPtrField = baseDelegateType->mFieldInstances[0];
|
|
auto& targetField = baseDelegateType->mFieldInstances[1];
|
|
auto baseDelegate = mModule->mBfIRBuilder->CreateBitCast(mResult.mValue, mModule->mBfIRBuilder->MapType(baseDelegateType));
|
|
|
|
// >> delegate.mTarget = bindResult.mTarget
|
|
auto nullPtrType = mModule->GetPrimitiveType(BfTypeCode_NullPtr);
|
|
BfIRValue valPtr;
|
|
if (!lambdaInstance->mIsStatic)
|
|
valPtr = mModule->mBfIRBuilder->CreateBitCast(mResult.mValue, mModule->mBfIRBuilder->MapType(nullPtrType));
|
|
else
|
|
valPtr = mModule->GetDefaultValue(nullPtrType);
|
|
auto fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(baseDelegate, 0, targetField.mDataIdx);
|
|
mModule->mBfIRBuilder->CreateAlignedStore(valPtr, fieldPtr, targetField.mResolvedType->mAlign);
|
|
|
|
// >> delegate.mFuncPtr = bindResult.mFunc
|
|
if (lambdaInstance->mClosureFunc)
|
|
{
|
|
auto nullPtrType = mModule->GetPrimitiveType(BfTypeCode_NullPtr);
|
|
auto valPtr = mModule->mBfIRBuilder->CreateBitCast(lambdaInstance->mClosureFunc, mModule->mBfIRBuilder->MapType(nullPtrType));
|
|
auto fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(baseDelegate, 0, funcPtrField.mDataIdx);
|
|
mModule->mBfIRBuilder->CreateAlignedStore(valPtr, fieldPtr, funcPtrField.mResolvedType->mAlign);
|
|
}
|
|
|
|
mModule->AddDependency(useTypeInstance, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_Calls);
|
|
|
|
// Copy captures into the delegate
|
|
if (lambdaInstance->mClosureTypeInstance != NULL)
|
|
{
|
|
int fieldIdx = 0;
|
|
|
|
if (lambdaInstance->mCopyOuterCaptures)
|
|
{
|
|
for (auto& fieldInstance : lambdaInstance->mOuterClosure->mFieldInstances)
|
|
{
|
|
if (!fieldInstance.mResolvedType->IsValuelessType())
|
|
{
|
|
BF_ASSERT(fieldInstance.mDataIdx == fieldIdx + 1);
|
|
|
|
auto localVar = mModule->mCurMethodState->mLocals[0];
|
|
auto capturedValue = mModule->mBfIRBuilder->CreateInBoundsGEP(localVar->mValue, 0, fieldInstance.mDataIdx);
|
|
capturedValue = mModule->mBfIRBuilder->CreateAlignedLoad(capturedValue, fieldInstance.mResolvedType->mAlign);
|
|
auto fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(mResult.mValue, 0, fieldInstance.mDataIdx);
|
|
mModule->mBfIRBuilder->CreateStore(capturedValue, fieldPtr);
|
|
|
|
fieldIdx++;
|
|
}
|
|
}
|
|
}
|
|
|
|
int captureIdx = 0;
|
|
for (int captureIdx = 0; captureIdx < (int)lambdaInstance->mCaptures.size(); captureIdx++)
|
|
{
|
|
auto& capturedEntry = lambdaInstance->mCaptures[captureIdx];
|
|
auto& closureCaptureEntry = lambdaInstance->mMethodInstance->mMethodInfoEx->mClosureInstanceInfo->mCaptureEntries[captureIdx];
|
|
BfIdentifierNode* identifierNode = closureCaptureEntry.mNameNode;
|
|
|
|
BfIRValue capturedValue;
|
|
auto fieldInstance = &closureTypeInst->mFieldInstances[fieldIdx];
|
|
BfTypedValue capturedTypedVal;
|
|
if (identifierNode != NULL)
|
|
capturedTypedVal = DoImplicitArgCapture(NULL, identifierNode, closureCaptureEntry.mShadowIdx);
|
|
else
|
|
capturedTypedVal = LookupIdentifier(NULL, capturedEntry.mName);
|
|
if (!fieldInstance->mResolvedType->IsRef())
|
|
capturedTypedVal = mModule->LoadOrAggregateValue(capturedTypedVal);
|
|
else if (!capturedTypedVal.IsAddr())
|
|
capturedTypedVal = mModule->MakeAddressable(capturedTypedVal, false, true);
|
|
capturedValue = capturedTypedVal.mValue;
|
|
|
|
if (capturedValue)
|
|
{
|
|
if (!IsVar(capturedTypedVal.mType))
|
|
{
|
|
auto fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(mResult.mValue, 0, fieldInstance->mDataIdx);
|
|
mModule->mBfIRBuilder->CreateAlignedStore(capturedValue, fieldPtr, fieldInstance->mResolvedType->mAlign);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail(StrFormat("Unable to capture '%s'", capturedEntry.mName.c_str()), lambdaBindExpr);
|
|
mModule->AssertErrorState();
|
|
}
|
|
fieldIdx++;
|
|
}
|
|
|
|
if (lambdaInstance->mDtorFunc)
|
|
{
|
|
auto fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(mResult.mValue, 0, closureTypeInst->mFieldInstances[fieldIdx].mDataIdx);
|
|
|
|
auto voidType = mModule->GetPrimitiveType(BfTypeCode_None);
|
|
auto voidPtrType = mModule->CreatePointerType(voidType);
|
|
auto dtorThunk = mModule->mBfIRBuilder->CreateBitCast(lambdaInstance->mDtorFunc, mModule->mBfIRBuilder->MapType(voidPtrType));
|
|
|
|
mModule->mBfIRBuilder->CreateAlignedStore(dtorThunk, fieldPtr, mModule->mSystem->mPtrSize);
|
|
fieldIdx++;
|
|
}
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::ProcessArrayInitializer(BfTokenNode* openToken, const BfSizedArray<BfExpression*>& valueExprs, const BfSizedArray<BfTokenNode*>& commas, BfTokenNode* closeToken, int dimensions, SizedArrayImpl<int64>& dimLengths, int dim, bool& hasFailed)
|
|
{
|
|
bool setSize = false;
|
|
|
|
if (dim == dimLengths.size())
|
|
{
|
|
dimLengths.push_back((int)valueExprs.size());
|
|
setSize = true;
|
|
}
|
|
else if (dimLengths[dim] == -1)
|
|
{
|
|
dimLengths[dim] = (int)valueExprs.size();
|
|
setSize = true;
|
|
}
|
|
|
|
int64 initCountDiff = (int)valueExprs.size() - dimLengths[dim];
|
|
if ((dimLengths[dim] != -1) && (initCountDiff != 0) && (!hasFailed))
|
|
{
|
|
if (initCountDiff > 0)
|
|
{
|
|
mModule->Fail(StrFormat("Too many initializers, expected %d fewer", initCountDiff), valueExprs[(int)dimLengths[dim]]);
|
|
hasFailed = true;
|
|
}
|
|
else
|
|
{
|
|
// If it ends with ", ?) or ",)" then allow unsized
|
|
if (((valueExprs.size() == 0) || (BfNodeDynCast<BfUninitializedExpression>(valueExprs.back()) == NULL)) &&
|
|
(commas.size() < valueExprs.size()))
|
|
{
|
|
BfAstNode* refNode = closeToken;
|
|
if ((refNode == NULL) && (mModule->mParentNodeEntry != NULL))
|
|
refNode = mModule->mParentNodeEntry->mNode;
|
|
|
|
mModule->Fail(StrFormat("Too few initializer, expected %d more", -initCountDiff), refNode);
|
|
hasFailed = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < (int)valueExprs.size(); i++)
|
|
{
|
|
BfExpression* expr = valueExprs[i];
|
|
|
|
if (auto uninitExpr = BfNodeDynCast<BfUninitializedExpression>(expr))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
auto innerInitExpr = BfNodeDynCast<BfCollectionInitializerExpression>(expr);
|
|
if (dim < dimensions - 1)
|
|
{
|
|
if (innerInitExpr == NULL)
|
|
{
|
|
if (auto innerTupleExpr = BfNodeDynCast<BfTupleExpression>(expr))
|
|
{
|
|
ProcessArrayInitializer(innerTupleExpr->mOpenParen, innerTupleExpr->mValues, innerTupleExpr->mCommas, innerTupleExpr->mCloseParen, dimensions, dimLengths, dim + 1, hasFailed);
|
|
}
|
|
else if (auto parenExpr = BfNodeDynCast<BfParenthesizedExpression>(expr))
|
|
{
|
|
SizedArray<BfExpression*, 1> values;
|
|
values.Add(parenExpr->mExpression);
|
|
SizedArray<BfTokenNode*, 1> commas;
|
|
ProcessArrayInitializer(parenExpr->mOpenParen, values, commas, parenExpr->mCloseParen, dimensions, dimLengths, dim + 1, hasFailed);
|
|
}
|
|
else
|
|
{
|
|
hasFailed = true;
|
|
mModule->Fail("A nested array initializer is expected", expr);
|
|
continue;
|
|
}
|
|
}
|
|
else
|
|
ProcessArrayInitializer(innerInitExpr->mOpenBrace, innerInitExpr->mValues, innerInitExpr->mCommas, innerInitExpr->mCloseBrace, dimensions, dimLengths, dim + 1, hasFailed);
|
|
}
|
|
else if (innerInitExpr != NULL)
|
|
{
|
|
hasFailed = true;
|
|
mModule->Fail("Unexpected nested initializer", expr);
|
|
ProcessArrayInitializer(innerInitExpr->mOpenBrace, innerInitExpr->mValues, innerInitExpr->mCommas, innerInitExpr->mCloseBrace, dimensions, dimLengths, dim + 1, hasFailed);
|
|
}
|
|
else
|
|
{
|
|
//mModule->Fail("Expected initializer", )
|
|
}
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::CheckObjectCreateTypeRef(BfType* expectingType, BfAstNode* afterNode)
|
|
{
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (afterNode != NULL) && (autoComplete->mIsAutoComplete) &&
|
|
(afterNode->IsFromParser(mModule->mCompiler->mResolvePassData->mParsers[0])) &&
|
|
(afterNode->GetParser()->mCursorIdx == afterNode->GetSrcEnd() + 1))
|
|
{
|
|
BfType* expectingType = mExpectingType;
|
|
BfTypeInstance* expectingTypeInst = NULL;
|
|
|
|
if (mExpectingType != NULL)
|
|
{
|
|
expectingTypeInst = mExpectingType->ToTypeInstance();
|
|
}
|
|
|
|
if ((mExpectingType != NULL) && (((expectingTypeInst == NULL) || (!expectingTypeInst->mTypeDef->mIsDelegate))))
|
|
{
|
|
// Why were we doing this? It floods the autocomplete with every possible type
|
|
//autoComplete->AddTopLevelTypes(NULL);
|
|
autoComplete->mInsertStartIdx = afterNode->GetSourceData()->ToParser()->mCursorIdx;
|
|
BF_ASSERT(autoComplete->mInsertStartIdx != -1);
|
|
auto expectingType = mExpectingType;
|
|
while (expectingType->IsArray())
|
|
{
|
|
auto arrayType = (BfArrayType*)expectingType;
|
|
expectingType = arrayType->mGenericTypeInfo->mTypeGenericArguments[0];
|
|
}
|
|
|
|
auto expectingTypeInst = expectingType->ToTypeInstance();
|
|
if (expectingTypeInst != NULL)
|
|
{
|
|
if (!expectingTypeInst->IsAnonymous())
|
|
autoComplete->AddTypeInstanceEntry(expectingTypeInst);
|
|
}
|
|
else
|
|
autoComplete->mDefaultSelection = mModule->TypeToString(expectingType);
|
|
}
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfObjectCreateExpression* objCreateExpr)
|
|
{
|
|
CreateObject(objCreateExpr, objCreateExpr->mNewNode, NULL, NULL);
|
|
}
|
|
|
|
void BfExprEvaluator::CreateObject(BfObjectCreateExpression* objCreateExpr, BfAstNode* allocNode, BfType* wantAllocType, BfInlineTypeReference* inlineTypeRef)
|
|
{
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (objCreateExpr != NULL) && (objCreateExpr->mTypeRef != NULL))
|
|
{
|
|
autoComplete->CheckTypeRef(objCreateExpr->mTypeRef, false, true);
|
|
}
|
|
|
|
if ((autoComplete != NULL) && (objCreateExpr != NULL) && (objCreateExpr->mOpenToken != NULL) && (objCreateExpr->mCloseToken != NULL) &&
|
|
(objCreateExpr->mOpenToken->mToken == BfToken_LBrace) && (autoComplete->CheckFixit(objCreateExpr->mOpenToken)))
|
|
{
|
|
auto refNode = objCreateExpr->mOpenToken;
|
|
BfParserData* parser = refNode->GetSourceData()->ToParserData();
|
|
if (parser != NULL)
|
|
{
|
|
autoComplete->AddEntry(AutoCompleteEntry("fixit", StrFormat("Change initializer braces to parentheses\treformat|%s|%d-1|(\x01|%s|%d-1|)",
|
|
parser->mFileName.c_str(), refNode->mSrcStart,
|
|
parser->mFileName.c_str(), objCreateExpr->mCloseToken->mSrcStart).c_str()));
|
|
}
|
|
}
|
|
|
|
BfMethodGenericArguments methodGenericArguments;
|
|
if ((objCreateExpr != NULL) && (objCreateExpr->mCtorExplicit != NULL) && (objCreateExpr->mCtorExplicit->mGenericArgs != NULL))
|
|
methodGenericArguments.mArguments = &objCreateExpr->mCtorExplicit->mGenericArgs->mGenericArgs;
|
|
|
|
CheckObjectCreateTypeRef(mExpectingType, allocNode);
|
|
|
|
BfAttributeState attributeState;
|
|
attributeState.mTarget = BfAttributeTargets_Alloc;
|
|
SetAndRestoreValue<BfAttributeState*> prevAttributeState(mModule->mAttributeState, &attributeState);
|
|
BfTokenNode* newToken = NULL;
|
|
BfAllocTarget allocTarget;
|
|
ResolveAllocTarget(allocTarget, allocNode, newToken, &attributeState.mCustomAttributes);
|
|
|
|
bool isStructAlloc = newToken == NULL;
|
|
bool isScopeAlloc = (newToken != NULL) && (newToken->GetToken() == BfToken_Scope);
|
|
bool isAppendAlloc = (newToken != NULL) && (newToken->GetToken() == BfToken_Append);
|
|
bool isStackAlloc = (isScopeAlloc) || (isStructAlloc);
|
|
bool isArrayAlloc = false;// (objCreateExpr->mArraySizeSpecifier != NULL);
|
|
bool isRawArrayAlloc = (objCreateExpr != NULL) && (objCreateExpr->mStarToken != NULL);
|
|
|
|
if ((objCreateExpr != NULL) && (objCreateExpr->mCtorExplicit != NULL) && (objCreateExpr->mCtorExplicit->mThisToken != NULL))
|
|
{
|
|
mModule->SetElementType(objCreateExpr->mCtorExplicit->mThisToken, BfSourceElementType_Method);
|
|
}
|
|
|
|
if (isScopeAlloc)
|
|
{
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_FieldInitializer) != 0)
|
|
{
|
|
mModule->Warn(0, "This allocation will only be in scope during the constructor. Consider using a longer-term allocation such as 'new'", allocNode);
|
|
}
|
|
|
|
if (allocNode == newToken) // Scope, no target specified
|
|
{
|
|
if (mModule->mParentNodeEntry != NULL)
|
|
{
|
|
if (auto assignExpr = BfNodeDynCastExact<BfAssignmentExpression>(mModule->mParentNodeEntry->mNode))
|
|
{
|
|
if (mModule->mCurMethodState->mCurScope->mCloseNode == NULL)
|
|
{
|
|
// If we are assigning this to a property then it's possible the property setter can actually deal with a temporary allocation so no warning in that case
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_PendingPropSet) == 0)
|
|
mModule->Warn(0, "This allocation will immediately go out of scope. Consider specifying a wider scope target such as 'scope::'", allocNode);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
BfAutoParentNodeEntry autoParentNodeEntry(mModule, objCreateExpr);
|
|
|
|
SizedArray<BfAstNode*, 2> dimLengthRefs;
|
|
SizedArray<BfIRValue, 2> dimLengthVals;
|
|
|
|
BfArrayType* arrayType = NULL;
|
|
|
|
BfType* unresolvedTypeRef = NULL;
|
|
BfType* resolvedTypeRef = NULL;
|
|
if (wantAllocType != NULL)
|
|
{
|
|
unresolvedTypeRef = wantAllocType;
|
|
resolvedTypeRef = wantAllocType;
|
|
}
|
|
else if (objCreateExpr->mTypeRef == NULL)
|
|
{
|
|
if ((!mExpectingType) || (!mExpectingType->IsArray()))
|
|
{
|
|
mModule->Fail("Cannot imply array type. Explicitly state array type or use array in an assignment to an array type.", objCreateExpr);
|
|
resolvedTypeRef = mModule->mContext->mBfObjectType;
|
|
unresolvedTypeRef = resolvedTypeRef;
|
|
}
|
|
else
|
|
{
|
|
auto arrayType = (BfArrayType*)mExpectingType;
|
|
unresolvedTypeRef = arrayType->GetUnderlyingType();
|
|
resolvedTypeRef = unresolvedTypeRef;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ((objCreateExpr->mTypeRef->IsExact<BfDotTypeReference>()) && (mExpectingType != NULL))
|
|
{
|
|
//mModule->SetElementType(objCreateExpr->mTypeRef, BfSourceElementType_TypeRef);
|
|
|
|
if ((mExpectingType->IsObject()) || (mExpectingType->IsGenericParam()))
|
|
{
|
|
unresolvedTypeRef = mExpectingType;
|
|
|
|
if (unresolvedTypeRef->IsArray())
|
|
{
|
|
arrayType = (BfArrayType*)unresolvedTypeRef;
|
|
unresolvedTypeRef = unresolvedTypeRef->GetUnderlyingType();
|
|
isArrayAlloc = true;
|
|
}
|
|
}
|
|
else if (mExpectingType->IsPointer())
|
|
{
|
|
unresolvedTypeRef = mExpectingType->GetUnderlyingType();
|
|
}
|
|
else if (mExpectingType->IsStruct())
|
|
{
|
|
unresolvedTypeRef = mExpectingType;
|
|
}
|
|
else if (mExpectingType->IsVar())
|
|
unresolvedTypeRef = mExpectingType;
|
|
}
|
|
|
|
if (unresolvedTypeRef == NULL)
|
|
{
|
|
if (auto arrayTypeRef = BfNodeDynCast<BfArrayTypeRef>(objCreateExpr->mTypeRef))
|
|
{
|
|
isArrayAlloc = true;
|
|
if (auto dotTypeRef = BfNodeDynCast<BfDotTypeReference>(arrayTypeRef->mElementType))
|
|
{
|
|
if ((mExpectingType != NULL) &&
|
|
((mExpectingType->IsArray()) || (mExpectingType->IsPointer()) || (mExpectingType->IsSizedArray())))
|
|
unresolvedTypeRef = mExpectingType->GetUnderlyingType();
|
|
}
|
|
if (unresolvedTypeRef == NULL)
|
|
unresolvedTypeRef = mModule->ResolveTypeRef(arrayTypeRef->mElementType);
|
|
if (unresolvedTypeRef == NULL)
|
|
unresolvedTypeRef = mModule->GetPrimitiveType(BfTypeCode_Var);
|
|
|
|
int dimensions = 1;
|
|
|
|
bool commaExpected = false;
|
|
if (arrayTypeRef->mParams.size() != 0)
|
|
{
|
|
auto intType = mModule->ResolveTypeDef(mModule->mSystem->mTypeIntPtr);
|
|
|
|
for (auto arg : arrayTypeRef->mParams)
|
|
{
|
|
if (auto tokenNode = BfNodeDynCastExact<BfTokenNode>(arg))
|
|
{
|
|
if (tokenNode->GetToken() == BfToken_Comma)
|
|
{
|
|
if (isRawArrayAlloc)
|
|
{
|
|
mModule->Fail("Sized arrays cannot be multidimensional.", tokenNode);
|
|
continue;
|
|
}
|
|
dimensions++;
|
|
|
|
if (dimensions == 5)
|
|
{
|
|
mModule->Fail("Too many array dimensions, consider using a jagged array.", tokenNode);
|
|
}
|
|
|
|
commaExpected = false;
|
|
continue;
|
|
}
|
|
}
|
|
auto expr = BfNodeDynCast<BfExpression>(arg);
|
|
if ((isRawArrayAlloc) && (!dimLengthVals.IsEmpty()))
|
|
{
|
|
mModule->CreateValueFromExpression(expr, intType);
|
|
continue;
|
|
}
|
|
|
|
dimLengthRefs.Add(expr);
|
|
|
|
BfTypedValue dimLength;
|
|
if (expr == NULL)
|
|
{
|
|
// Not specified
|
|
dimLengthVals.push_back(BfIRValue());
|
|
continue;
|
|
}
|
|
|
|
if (arg != NULL)
|
|
{
|
|
dimLength = mModule->CreateValueFromExpression(expr, intType, BfEvalExprFlags_NoCast);
|
|
|
|
BfCastFlags castFlags = BfCastFlags_None;
|
|
if ((dimLength) && (dimLength.mType->IsInteger()))
|
|
{
|
|
// Allow uint for size - just force to int
|
|
if (!((BfPrimitiveType*)dimLength.mType)->IsSigned())
|
|
castFlags = BfCastFlags_Explicit;
|
|
}
|
|
if (dimLength)
|
|
dimLength = mModule->Cast(expr, dimLength, intType, castFlags);
|
|
}
|
|
|
|
if (commaExpected)
|
|
{
|
|
mModule->AssertErrorState();
|
|
continue;
|
|
}
|
|
|
|
if (!dimLength)
|
|
{
|
|
dimLength = mModule->GetDefaultTypedValue(intType);
|
|
}
|
|
dimLengthVals.push_back(dimLength.mValue);
|
|
commaExpected = true;
|
|
}
|
|
}
|
|
|
|
if ((arrayTypeRef->mParams.size() == 0) && (objCreateExpr->mOpenToken == NULL))
|
|
mModule->Fail("Array size or array initializer expected", arrayTypeRef->mOpenBracket);
|
|
|
|
if (dimensions > 4)
|
|
dimensions = 4;
|
|
|
|
if ((!isRawArrayAlloc) && (!unresolvedTypeRef->IsVar()))
|
|
arrayType = mModule->CreateArrayType(unresolvedTypeRef, dimensions);
|
|
}
|
|
|
|
if (unresolvedTypeRef == NULL)
|
|
{
|
|
unresolvedTypeRef = ResolveTypeRef(objCreateExpr->mTypeRef, BfPopulateType_Declaration, BfResolveTypeRefFlag_NoResolveGenericParam);
|
|
}
|
|
}
|
|
|
|
resolvedTypeRef = unresolvedTypeRef;
|
|
if ((resolvedTypeRef != NULL) && (IsVar(resolvedTypeRef)))
|
|
resolvedTypeRef = unresolvedTypeRef;
|
|
}
|
|
|
|
if (inlineTypeRef != NULL)
|
|
{
|
|
auto inlineType = mModule->ResolveTypeRef(inlineTypeRef);
|
|
if (inlineType != NULL)
|
|
{
|
|
unresolvedTypeRef = inlineType;
|
|
resolvedTypeRef = inlineType;
|
|
}
|
|
}
|
|
|
|
if (resolvedTypeRef == NULL)
|
|
{
|
|
unresolvedTypeRef = mModule->GetPrimitiveType(BfTypeCode_Var);
|
|
resolvedTypeRef = unresolvedTypeRef;
|
|
}
|
|
auto resultType = resolvedTypeRef;
|
|
|
|
if ((resolvedTypeRef->IsInterface()) && (!isArrayAlloc))
|
|
{
|
|
mModule->Fail("Cannot create an instance of an interface", objCreateExpr->mTypeRef);
|
|
resolvedTypeRef = mModule->mContext->mBfObjectType;
|
|
}
|
|
|
|
BfTypeInstance* typeInstance = resolvedTypeRef->ToTypeInstance();
|
|
int elementSize = resolvedTypeRef->mSize;
|
|
int elementAlign = resolvedTypeRef->mAlign;
|
|
BfIRType allocType = mModule->mBfIRBuilder->MapType(resolvedTypeRef);
|
|
if (typeInstance != NULL)
|
|
{
|
|
if (!mModule->mCurTypeInstance->mResolvingVarField)
|
|
mModule->PopulateType(typeInstance);
|
|
|
|
if ((typeInstance->mTypeDef->mIsDelegate) && (!isArrayAlloc))
|
|
mModule->Fail("Delegates must be constructed through delegate binding", objCreateExpr->mTypeRef);
|
|
|
|
elementSize = BF_MAX(0, typeInstance->mInstSize);
|
|
elementAlign = typeInstance->mInstAlign;
|
|
allocType = mModule->mBfIRBuilder->MapTypeInst(typeInstance);
|
|
}
|
|
|
|
if (isAppendAlloc)
|
|
{
|
|
if (!mModule->mCurTypeInstance->IsObject())
|
|
{
|
|
mModule->Fail("Append allocations are only allowed in classes", allocNode);
|
|
isAppendAlloc = false;
|
|
}
|
|
else if ((mBfEvalExprFlags & BfEvalExprFlags_VariableDeclaration) == 0)
|
|
{
|
|
mModule->Fail("Append allocations are only allowed as local variable initializers in constructor body", allocNode);
|
|
isAppendAlloc = false;
|
|
}
|
|
else
|
|
{
|
|
auto methodDef = mModule->mCurMethodInstance->mMethodDef;
|
|
if (methodDef->mMethodType == BfMethodType_CtorCalcAppend)
|
|
{
|
|
mModule->Fail("Append allocations are only allowed as local variable declarations in the main method body", allocNode);
|
|
isAppendAlloc = false;
|
|
}
|
|
else if (!methodDef->mHasAppend)
|
|
{
|
|
mModule->Fail("Append allocations can only be used on constructors with [AllowAppend] specified", allocNode);
|
|
isAppendAlloc = false;
|
|
}
|
|
else if (methodDef->mMethodType != BfMethodType_Ctor)
|
|
{
|
|
mModule->Fail("Append allocations are only allowed in constructors", allocNode);
|
|
isAppendAlloc = false;
|
|
}
|
|
else if (methodDef->mIsStatic)
|
|
{
|
|
mModule->Fail("Append allocations are only allowed in non-static constructors", allocNode);
|
|
isAppendAlloc = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isArrayAlloc)
|
|
{
|
|
const int MAX_DIMENSIONS = 2;
|
|
|
|
int dimensions = 1;
|
|
if (arrayType != NULL)
|
|
{
|
|
dimensions = arrayType->mDimensions;
|
|
mModule->AddDependency(arrayType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_Calls);
|
|
}
|
|
|
|
bool zeroMemory = true;
|
|
if (objCreateExpr->mOpenToken != NULL)
|
|
{
|
|
if ((objCreateExpr->mArguments.size() == 1) &&
|
|
(BfNodeDynCastExact<BfUninitializedExpression>(objCreateExpr->mArguments[0]) != NULL))
|
|
{
|
|
// Special case for a single "{ ? }"
|
|
zeroMemory = false;
|
|
}
|
|
else
|
|
{
|
|
SizedArray<int64, 2> dimLengths;
|
|
|
|
if (dimLengthVals.size() != 0)
|
|
{
|
|
for (int dim = 0; dim < dimensions; dim++)
|
|
{
|
|
BfIRValue dimLengthVal;
|
|
if (dim < (int)dimLengthVals.size())
|
|
dimLengthVal = dimLengthVals[dim];
|
|
if (!dimLengthVal)
|
|
{
|
|
dimLengths.push_back(-1);
|
|
continue;
|
|
}
|
|
|
|
auto constant = mModule->mBfIRBuilder->GetConstant(dimLengthVal);
|
|
if ((constant != NULL) && (mModule->mBfIRBuilder->IsInt(constant->mTypeCode)))
|
|
{
|
|
int64 dimLength = constant->mInt64;
|
|
if (dimLength < 0)
|
|
{
|
|
mModule->Fail(StrFormat("Invalid array dimension '%lld'", dimLength), dimLengthRefs[dim]);
|
|
dimLength = -1;
|
|
}
|
|
dimLengths.push_back(dimLength);
|
|
}
|
|
else if ((constant != NULL) && (constant->mConstType == BfConstType_Undef))
|
|
{
|
|
dimLengths.push_back(-1);
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail("A constant length is required when using an initializer", dimLengthRefs[dim]);
|
|
dimLengths.push_back(-1);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Ending in an ", )" means we need to zero-fill ending
|
|
zeroMemory = objCreateExpr->mCommas.size() >= objCreateExpr->mArguments.size();
|
|
|
|
bool hasFailed = false;
|
|
ProcessArrayInitializer(objCreateExpr->mOpenToken, objCreateExpr->mArguments, objCreateExpr->mCommas, objCreateExpr->mCloseToken, dimensions, dimLengths, 0, hasFailed);
|
|
|
|
dimLengthVals.resize(dimLengths.size());
|
|
|
|
for (int i = 0; i < (int)dimLengthVals.size(); i++)
|
|
{
|
|
if (!dimLengthVals[i])
|
|
{
|
|
auto intType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
|
|
dimLengthVals[i] = mModule->GetConstValue(dimLengths[i], intType);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
while ((int)dimLengthVals.size() < dimensions)
|
|
dimLengthVals.push_back(mModule->GetConstValue(0));
|
|
|
|
BfTypedValue arrayValue;
|
|
|
|
BfIRValue arraySize;
|
|
for (BfIRValue dimSize : dimLengthVals)
|
|
{
|
|
if (!arraySize)
|
|
arraySize = dimSize;
|
|
else
|
|
arraySize = mModule->mBfIRBuilder->CreateMul(arraySize, dimSize);
|
|
}
|
|
|
|
BfAllocFlags allocFlags = BfAllocFlags_None;
|
|
if (isRawArrayAlloc)
|
|
allocFlags = (BfAllocFlags)(allocFlags | BfAllocFlags_RawArray);
|
|
|
|
int writeIdx = 0;
|
|
|
|
struct BfInitContext
|
|
{
|
|
public:
|
|
BfModule* mModule;
|
|
BfType* resultType;
|
|
int dimensions;
|
|
SizedArray<BfIRValue, 2>& dimLengthVals;
|
|
BfIRValue arraySize;
|
|
int& writeIdx;
|
|
|
|
BfInitContext(BfModule* module, BfType* resultType, int dimensions, SizedArray<BfIRValue, 2>& dimLengthVals, BfIRValue arraySize, int& writeIdx) :
|
|
mModule(module), resultType(resultType), dimensions(dimensions), dimLengthVals(dimLengthVals), arraySize(arraySize), writeIdx(writeIdx)
|
|
{
|
|
}
|
|
|
|
void Handle(BfIRValue addr, int curDim, const BfSizedArray<BfExpression*>& valueExprs)
|
|
{
|
|
int exprIdx = 0;
|
|
int dimWriteIdx = 0;
|
|
bool isUninit = false;
|
|
|
|
int dimLength = -1;
|
|
if (dimLengthVals[curDim].IsConst())
|
|
{
|
|
auto constant = mModule->mBfIRBuilder->GetConstant(dimLengthVals[curDim]);
|
|
dimLength = constant->mInt32;
|
|
}
|
|
|
|
while (exprIdx < (int)valueExprs.size())
|
|
{
|
|
auto initExpr = valueExprs[exprIdx];
|
|
exprIdx++;
|
|
if (!initExpr)
|
|
break;
|
|
if (auto unintExpr = BfNodeDynCastExact<BfUninitializedExpression>(initExpr))
|
|
{
|
|
isUninit = true;
|
|
break;
|
|
}
|
|
|
|
if (exprIdx > dimLength)
|
|
break;
|
|
|
|
if (curDim < dimensions - 1)
|
|
{
|
|
if (auto innerTupleExpr = BfNodeDynCast<BfTupleExpression>(initExpr))
|
|
{
|
|
Handle(addr, curDim + 1, innerTupleExpr->mValues);
|
|
}
|
|
else if (auto parenExpr = BfNodeDynCast<BfParenthesizedExpression>(initExpr))
|
|
{
|
|
SizedArray<BfExpression*, 1> values;
|
|
values.Add(parenExpr->mExpression);
|
|
Handle(addr, curDim + 1, values);
|
|
}
|
|
else if (auto innerInitExpr = BfNodeDynCast<BfCollectionInitializerExpression>(initExpr))
|
|
{
|
|
Handle(addr, curDim + 1, innerInitExpr->mValues);
|
|
}
|
|
|
|
dimWriteIdx++;
|
|
continue;
|
|
}
|
|
|
|
BfIRValue elemAddr;
|
|
if (!resultType->IsValuelessType())
|
|
elemAddr = mModule->CreateIndexedValue(resultType, addr, writeIdx);
|
|
else
|
|
elemAddr = mModule->mBfIRBuilder->GetFakeVal();
|
|
writeIdx++;
|
|
dimWriteIdx++;
|
|
|
|
BfTypedValue elemPtrTypedVal = BfTypedValue(elemAddr, resultType, BfTypedValueKind_Addr);
|
|
|
|
BfExprEvaluator exprEvaluator(mModule);
|
|
exprEvaluator.mExpectingType = resultType;
|
|
exprEvaluator.mReceivingValue = &elemPtrTypedVal;
|
|
exprEvaluator.Evaluate(initExpr);
|
|
exprEvaluator.GetResult();
|
|
|
|
if (exprEvaluator.mReceivingValue == NULL)
|
|
{
|
|
// We wrote directly to the array in-place, we're done with this element
|
|
continue;
|
|
}
|
|
auto storeValue = exprEvaluator.mResult;
|
|
if (!storeValue)
|
|
continue;
|
|
storeValue = mModule->Cast(initExpr, storeValue, resultType);
|
|
if (!storeValue)
|
|
continue;
|
|
if (!resultType->IsValuelessType())
|
|
{
|
|
storeValue = mModule->LoadOrAggregateValue(storeValue);
|
|
mModule->mBfIRBuilder->CreateStore(storeValue.mValue, elemAddr);
|
|
}
|
|
}
|
|
|
|
int clearFromIdx = writeIdx;
|
|
int sectionElemCount = 1;
|
|
|
|
BfIRValue numElemsLeft = arraySize;
|
|
if (dimLength != -1)
|
|
{
|
|
int clearCount = dimLength - dimWriteIdx;
|
|
if (clearCount > 0)
|
|
{
|
|
for (int checkDim = curDim + 1; checkDim < (int)dimLengthVals.size(); checkDim++)
|
|
{
|
|
if (dimLengthVals[checkDim].IsConst())
|
|
{
|
|
auto constant = mModule->mBfIRBuilder->GetConstant(dimLengthVals[checkDim]);
|
|
clearCount *= constant->mInt32;
|
|
sectionElemCount *= constant->mInt32;
|
|
}
|
|
}
|
|
}
|
|
|
|
writeIdx += clearCount;
|
|
numElemsLeft = mModule->GetConstValue(clearCount);
|
|
}
|
|
|
|
// Actually leave it alone?
|
|
if ((isUninit) &&
|
|
((mModule->IsOptimized()) || (mModule->mIsComptimeModule) || (mModule->mBfIRBuilder->mIgnoreWrites)))
|
|
return;
|
|
|
|
bool doClear = true;
|
|
if (numElemsLeft.IsConst())
|
|
{
|
|
auto constant = mModule->mBfIRBuilder->GetConstant(numElemsLeft);
|
|
doClear = constant->mInt64 > 0;
|
|
}
|
|
if (doClear)
|
|
{
|
|
// We multiply by GetStride. This relies on the fact that we over-allocate on the array allocation -- the last
|
|
// element doesn't need to be padded out to the element alignment, but we do anyway. Otherwise this would be
|
|
// a more complicated computation
|
|
auto clearBytes = mModule->mBfIRBuilder->CreateMul(numElemsLeft, mModule->GetConstValue(resultType->GetStride()));
|
|
|
|
if (isUninit)
|
|
{
|
|
// Limit to a reasonable number of bytes to stomp with 0xCC
|
|
int maxStompBytes = BF_MIN(128, resultType->GetStride() * sectionElemCount);
|
|
if (clearBytes.IsConst())
|
|
{
|
|
auto constant = mModule->mBfIRBuilder->GetConstant(clearBytes);
|
|
if (constant->mInt64 > maxStompBytes)
|
|
clearBytes = mModule->GetConstValue(maxStompBytes);
|
|
}
|
|
else
|
|
{
|
|
auto insertBlock = mModule->mBfIRBuilder->GetInsertBlock();
|
|
|
|
auto gtBlock = mModule->mBfIRBuilder->CreateBlock("unint.gt");
|
|
auto contBlock = mModule->mBfIRBuilder->CreateBlock("unint.cont");
|
|
|
|
auto cmp = mModule->mBfIRBuilder->CreateCmpLTE(clearBytes, mModule->GetConstValue(maxStompBytes), true);
|
|
mModule->mBfIRBuilder->CreateCondBr(cmp, contBlock, gtBlock);
|
|
|
|
mModule->mBfIRBuilder->AddBlock(gtBlock);
|
|
mModule->mBfIRBuilder->SetInsertPoint(gtBlock);
|
|
mModule->mBfIRBuilder->CreateBr(contBlock);
|
|
|
|
mModule->mBfIRBuilder->AddBlock(contBlock);
|
|
mModule->mBfIRBuilder->SetInsertPoint(contBlock);
|
|
auto phi = mModule->mBfIRBuilder->CreatePhi(mModule->mBfIRBuilder->MapType(mModule->GetPrimitiveType(BfTypeCode_IntPtr)), 2);
|
|
mModule->mBfIRBuilder->AddPhiIncoming(phi, clearBytes, insertBlock);
|
|
mModule->mBfIRBuilder->AddPhiIncoming(phi, mModule->GetConstValue(maxStompBytes), gtBlock);
|
|
|
|
clearBytes = phi;
|
|
}
|
|
}
|
|
|
|
mModule->mBfIRBuilder->PopulateType(resultType);
|
|
if ((!resultType->IsValuelessType()) && (!addr.IsConst()))
|
|
{
|
|
mModule->mBfIRBuilder->CreateMemSet(mModule->CreateIndexedValue(resultType, addr, clearFromIdx),
|
|
mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int8, isUninit ? 0xCC : 0), clearBytes, resultType->mAlign);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
BfInitContext initContext(mModule, resultType, dimensions, dimLengthVals, arraySize, writeIdx);
|
|
|
|
if (IsVar(resultType))
|
|
{
|
|
SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
|
|
mResult = BfTypedValue(BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), mModule->GetPrimitiveType(BfTypeCode_Var)));
|
|
initContext.Handle(mResult.mValue, 0, objCreateExpr->mArguments);
|
|
return;
|
|
}
|
|
|
|
if (isRawArrayAlloc)
|
|
{
|
|
// If we have a constant-sized alloc then make the type a pointer to the sized array, otherwise just a pointer to the raw type
|
|
BfType* ptrType = mModule->CreatePointerType(resultType);
|
|
if (isAppendAlloc)
|
|
arrayValue = BfTypedValue(mModule->AppendAllocFromType(resultType, BfIRValue(), 0, arraySize, (int)dimLengthVals.size(), isRawArrayAlloc, false), ptrType);
|
|
else
|
|
{
|
|
arrayValue = BfTypedValue(mModule->AllocFromType(resultType, allocTarget, BfIRValue(), arraySize, (int)dimLengthVals.size(), allocFlags, allocTarget.mAlignOverride), ptrType);
|
|
}
|
|
|
|
initContext.Handle(arrayValue.mValue, 0, objCreateExpr->mArguments);
|
|
|
|
mResult = arrayValue;
|
|
return;
|
|
}
|
|
|
|
if (dimLengthVals.size() > 4)
|
|
{
|
|
dimLengthVals.RemoveRange(4, dimLengthVals.size() - 4);
|
|
mModule->Fail("Too many array dimensions, consider using a jagged array.", objCreateExpr);
|
|
}
|
|
|
|
if (arrayType == NULL)
|
|
return;
|
|
|
|
if (isAppendAlloc)
|
|
arrayValue = BfTypedValue(mModule->AppendAllocFromType(resultType, BfIRValue(), 0, arraySize, (int)dimLengthVals.size(), isRawArrayAlloc, zeroMemory), arrayType);
|
|
else
|
|
{
|
|
arrayValue = BfTypedValue(mModule->AllocFromType(resultType, allocTarget, BfIRValue(), arraySize, (int)dimLengthVals.size(), allocFlags, allocTarget.mAlignOverride), arrayType);
|
|
|
|
if (isScopeAlloc)
|
|
{
|
|
// See notes below on "general" SkipObjectAccessCheck usage on why we can do this
|
|
mModule->SkipObjectAccessCheck(arrayValue);
|
|
}
|
|
}
|
|
//mModule->InitTypeInst(arrayValue, scopeData);
|
|
|
|
BfAstNode* refNode = objCreateExpr->mTypeRef;
|
|
while (true)
|
|
{
|
|
if (auto arrayRef = BfNodeDynCast<BfElementedTypeRef>(refNode))
|
|
{
|
|
refNode = arrayRef->mElementType;
|
|
continue;
|
|
}
|
|
break;
|
|
}
|
|
|
|
BfResolvedArgs resolvedArgs;
|
|
|
|
auto rawAutoComplete = mModule->mCompiler->GetAutoComplete();
|
|
if (rawAutoComplete != NULL)
|
|
{
|
|
SetAndRestoreValue<bool> prevCapturing(rawAutoComplete->mIsCapturingMethodMatchInfo, false);
|
|
MatchConstructor(refNode, objCreateExpr, arrayValue, arrayType, resolvedArgs, false, methodGenericArguments, false);
|
|
}
|
|
else
|
|
{
|
|
MatchConstructor(refNode, objCreateExpr, arrayValue, arrayType, resolvedArgs, false, methodGenericArguments, false);
|
|
}
|
|
|
|
//TODO: Assert 'length' var is at slot 1
|
|
mModule->PopulateType(arrayType->mBaseType, BfPopulateType_DataAndMethods);
|
|
mModule->mBfIRBuilder->PopulateType(arrayType);
|
|
auto arrayBits = mModule->mBfIRBuilder->CreateBitCast(arrayValue.mValue, mModule->mBfIRBuilder->MapTypeInstPtr(arrayType->mBaseType));
|
|
int arrayLengthBitCount = arrayType->GetLengthBitCount();
|
|
if (arrayLengthBitCount == 0)
|
|
{
|
|
mModule->Fail("INTERNAL ERROR: Unable to find array 'length' field", objCreateExpr);
|
|
return;
|
|
}
|
|
|
|
mResult = arrayValue;
|
|
|
|
auto lengthFieldInstance = mModule->GetFieldByName(arrayType->mBaseType->ToTypeInstance(), "mLength");
|
|
if (lengthFieldInstance == NULL)
|
|
return;
|
|
auto firstElementFieldInstance = mModule->GetFieldByName(arrayType->ToTypeInstance(), "mFirstElement");
|
|
if (firstElementFieldInstance == NULL)
|
|
return;
|
|
|
|
auto addr = mModule->mBfIRBuilder->CreateInBoundsGEP(arrayBits, 0, lengthFieldInstance->mDataIdx);
|
|
|
|
if (arrayLengthBitCount == 64)
|
|
mModule->mBfIRBuilder->CreateAlignedStore(arraySize, addr, 8);
|
|
else
|
|
{
|
|
auto arraySize32 = mModule->mBfIRBuilder->CreateNumericCast(arraySize, true, BfTypeCode_Int32);
|
|
mModule->mBfIRBuilder->CreateAlignedStore(arraySize32, addr, 4);
|
|
}
|
|
|
|
for (int lowerDim = 1; lowerDim < (int)dimLengthVals.size(); lowerDim++)
|
|
{
|
|
auto length1FieldInstance = mModule->GetFieldByName(arrayType->ToTypeInstance(), "mLength1");
|
|
if (length1FieldInstance == NULL)
|
|
return;
|
|
|
|
addr = mModule->mBfIRBuilder->CreateInBoundsGEP(arrayValue.mValue, 0, length1FieldInstance->mDataIdx + lowerDim - 1);
|
|
|
|
auto lowerDimVal = mModule->mBfIRBuilder->CreateNumericCast(dimLengthVals[lowerDim], true, (arrayLengthBitCount == 64) ? BfTypeCode_Int64 : BfTypeCode_Int32);
|
|
mModule->mBfIRBuilder->CreateStore(lowerDimVal, addr);
|
|
}
|
|
|
|
if (resultType->IsValuelessType())
|
|
addr = mModule->mBfIRBuilder->GetFakeVal();
|
|
else
|
|
addr = mModule->mBfIRBuilder->CreateInBoundsGEP(arrayValue.mValue, 0, firstElementFieldInstance->mDataIdx);
|
|
|
|
initContext.Handle(addr, 0, objCreateExpr->mArguments);
|
|
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
if (resolvedTypeRef->IsVar())
|
|
{
|
|
// Leave as a var
|
|
}
|
|
else if ((!resolvedTypeRef->IsObjectOrInterface()) && (!resolvedTypeRef->IsGenericParam()))
|
|
{
|
|
resultType = mModule->CreatePointerType(resolvedTypeRef);
|
|
}
|
|
}
|
|
|
|
if ((isStackAlloc) && (mModule->mCurMethodState == NULL))
|
|
{
|
|
mModule->Fail("Cannot use 'stack' here", allocNode);
|
|
isStackAlloc = false;
|
|
isScopeAlloc = false;
|
|
}
|
|
|
|
bool isGenericParam = unresolvedTypeRef->IsGenericParam();
|
|
if (resolvedTypeRef->IsGenericParam())
|
|
{
|
|
BfGenericParamFlags genericParamFlags = BfGenericParamFlag_None;
|
|
BfType* typeConstraint = NULL;
|
|
auto genericParam = mModule->GetMergedGenericParamData((BfGenericParamType*)resolvedTypeRef, genericParamFlags, typeConstraint);
|
|
|
|
if (typeConstraint == NULL)
|
|
{
|
|
if ((genericParamFlags & BfGenericParamFlag_Var) != 0)
|
|
{
|
|
// Allow it
|
|
}
|
|
else
|
|
{
|
|
if ((genericParamFlags & BfGenericParamFlag_New) == 0)
|
|
{
|
|
mModule->Fail(StrFormat("Must add 'where %s : new' constraint to generic parameter to instantiate type", genericParam->GetName().c_str()), objCreateExpr->mTypeRef);
|
|
}
|
|
if (objCreateExpr->mArguments.size() != 0)
|
|
{
|
|
mModule->Fail(StrFormat("Only default parameterless constructors can be called on generic argument '%s'", genericParam->GetName().c_str()), objCreateExpr->mTypeRef);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (((typeConstraint != NULL) && (typeConstraint->IsValueType())) ||
|
|
((genericParamFlags & (BfGenericParamFlag_Struct | BfGenericParamFlag_StructPtr)) != 0))
|
|
{
|
|
resultType = mModule->CreatePointerType(resolvedTypeRef);
|
|
}
|
|
else if (((typeConstraint != NULL) && (!typeConstraint->IsValueType())) ||
|
|
((genericParamFlags & (BfGenericParamFlag_Class)) != 0))
|
|
{
|
|
// Leave as 'T'
|
|
resultType = resolvedTypeRef;
|
|
}
|
|
else
|
|
resultType = mModule->CreateModifiedTypeType(resolvedTypeRef, BfToken_AllocType);
|
|
|
|
mResult.mType = resultType;
|
|
|
|
if (typeInstance == NULL)
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(resultType);
|
|
return;
|
|
}
|
|
}
|
|
else if (resolvedTypeRef->IsSizedArray())
|
|
{
|
|
// Handle the case of "int[3]* val = new .(1, 2, 3)"
|
|
if (auto dotTypeRef = BfNodeDynCastExact<BfDotTypeReference>(objCreateExpr->mTypeRef))
|
|
{
|
|
BfIRValue allocValue;
|
|
if (isAppendAlloc)
|
|
allocValue = mModule->AppendAllocFromType(resolvedTypeRef, BfIRValue(), 0, BfIRValue(), 0, false, false);
|
|
else
|
|
allocValue = mModule->AllocFromType(resolvedTypeRef, allocTarget, BfIRValue(), BfIRValue(), 0, BfAllocFlags_None);
|
|
|
|
auto result = BfTypedValue(allocValue, resolvedTypeRef, BfTypedValueKind_Addr);
|
|
InitializedSizedArray((BfSizedArrayType*)resolvedTypeRef, objCreateExpr->mOpenToken, objCreateExpr->mArguments, objCreateExpr->mCommas, objCreateExpr->mCloseToken, &result);
|
|
|
|
// Turn from an addr of a sized array to pointer of sized array
|
|
mResult = BfTypedValue(mResult.mValue, resultType);
|
|
return;
|
|
}
|
|
}
|
|
|
|
SetAndRestoreValue<bool> prevNoBind(mNoBind, mNoBind || isGenericParam);
|
|
|
|
if ((typeInstance != NULL) && (typeInstance->mTypeDef->mIsAbstract))
|
|
{
|
|
mModule->Fail("Cannot create an instance of an abstract class", objCreateExpr->mTypeRef);
|
|
return;
|
|
}
|
|
|
|
BfFunctionBindResult bindResult;
|
|
bindResult.mSkipThis = true;
|
|
bindResult.mWantsArgs = true;
|
|
SetAndRestoreValue<BfFunctionBindResult*> prevBindResult(mFunctionBindResult, &bindResult);
|
|
|
|
BfIRValue appendSizeValue;
|
|
BfTypedValue emtpyThis(mModule->mBfIRBuilder->GetFakeVal(), resolvedTypeRef, resolvedTypeRef->IsStruct());
|
|
|
|
BfResolvedArgs argValues;
|
|
if (objCreateExpr != NULL)
|
|
{
|
|
argValues.Init(objCreateExpr->mOpenToken, &objCreateExpr->mArguments, &objCreateExpr->mCommas, objCreateExpr->mCloseToken);
|
|
ResolveArgValues(argValues, BfResolveArgsFlag_DeferParamEval); ////
|
|
}
|
|
|
|
if (typeInstance == NULL)
|
|
{
|
|
// No CTOR needed
|
|
if (objCreateExpr->mArguments.size() != 0)
|
|
{
|
|
mModule->Fail(StrFormat("Only default parameterless constructors can be called on primitive type '%s'", mModule->TypeToString(resolvedTypeRef).c_str()), objCreateExpr->mTypeRef);
|
|
}
|
|
}
|
|
else if ((autoComplete != NULL) && (objCreateExpr != NULL) && (objCreateExpr->mOpenToken != NULL))
|
|
{
|
|
auto wasCapturingMethodInfo = autoComplete->mIsCapturingMethodMatchInfo;
|
|
autoComplete->CheckInvocation(objCreateExpr, objCreateExpr->mOpenToken, objCreateExpr->mCloseToken, objCreateExpr->mCommas);
|
|
|
|
BfAstNode* refNode = objCreateExpr->mTypeRef;
|
|
if ((objCreateExpr->mCtorExplicit != NULL) && (objCreateExpr->mCtorExplicit->mThisToken != NULL))
|
|
refNode = objCreateExpr->mCtorExplicit->mThisToken;
|
|
auto checkTypeInst = typeInstance;
|
|
if (checkTypeInst->IsAnonymousInitializerType())
|
|
checkTypeInst = checkTypeInst->mBaseType;
|
|
MatchConstructor(refNode, objCreateExpr, emtpyThis, checkTypeInst, argValues, false, methodGenericArguments, true);
|
|
if ((wasCapturingMethodInfo) && (!autoComplete->mIsCapturingMethodMatchInfo))
|
|
{
|
|
if (autoComplete->mMethodMatchInfo != NULL)
|
|
autoComplete->mIsCapturingMethodMatchInfo = true;
|
|
}
|
|
else
|
|
autoComplete->mIsCapturingMethodMatchInfo = false;
|
|
}
|
|
else if (!resolvedTypeRef->IsFunction())
|
|
{
|
|
auto refNode = allocNode;
|
|
if (objCreateExpr != NULL)
|
|
refNode = objCreateExpr->mTypeRef;
|
|
|
|
auto checkTypeInst = typeInstance;
|
|
if (checkTypeInst->IsAnonymousInitializerType())
|
|
checkTypeInst = checkTypeInst->mBaseType;
|
|
MatchConstructor(refNode, objCreateExpr, emtpyThis, checkTypeInst, argValues, false, methodGenericArguments, true);
|
|
}
|
|
if (objCreateExpr != NULL)
|
|
mModule->ValidateAllocation(typeInstance, objCreateExpr->mTypeRef);
|
|
|
|
prevBindResult.Restore();
|
|
|
|
int allocAlign = resolvedTypeRef->mAlign;
|
|
if (typeInstance != NULL)
|
|
allocAlign = typeInstance->mInstAlign;
|
|
int appendAllocAlign = 0;
|
|
|
|
if ((bindResult.mMethodInstance != NULL) && (bindResult.mMethodInstance->mMethodDef->mHasAppend))
|
|
{
|
|
if (!bindResult.mFunc)
|
|
{
|
|
BF_ASSERT((!mModule->HasExecutedOutput()) || (mModule->mBfIRBuilder->mIgnoreWrites));
|
|
appendSizeValue = mModule->GetConstValue(0);
|
|
}
|
|
else
|
|
{
|
|
//auto calcAppendMethodModule = mModule->GetMethodInstanceAtIdx(bindResult.mMethodInstance->GetOwner(), bindResult.mMethodInstance->mMethodDef->mIdx + 1, BF_METHODNAME_CALCAPPEND);
|
|
|
|
BfTypeVector methodGenericArguments;
|
|
if (bindResult.mMethodInstance->mMethodInfoEx != NULL)
|
|
methodGenericArguments = bindResult.mMethodInstance->mMethodInfoEx->mMethodGenericArguments;
|
|
|
|
auto methodOwner = bindResult.mMethodInstance->GetOwner();
|
|
auto calcAppendMethodDef = methodOwner->mTypeDef->mMethods[bindResult.mMethodInstance->mMethodDef->mIdx + 1];
|
|
BF_ASSERT(calcAppendMethodDef->mName == BF_METHODNAME_CALCAPPEND);
|
|
auto calcAppendMethodModule = mModule->GetMethodInstance(methodOwner, calcAppendMethodDef, methodGenericArguments);
|
|
|
|
SizedArray<BfIRValue, 2> irArgs;
|
|
if (bindResult.mIRArgs.size() > 1)
|
|
irArgs.Insert(0, &bindResult.mIRArgs[1], bindResult.mIRArgs.size() - 1);
|
|
BfTypedValue appendSizeTypedValue = mModule->TryConstCalcAppend(calcAppendMethodModule.mMethodInstance, irArgs);
|
|
if (!appendSizeTypedValue)
|
|
{
|
|
BF_ASSERT(calcAppendMethodModule.mFunc);
|
|
|
|
appendSizeTypedValue = CreateCall(objCreateExpr, calcAppendMethodModule.mMethodInstance, calcAppendMethodModule.mFunc, false, irArgs);
|
|
BF_ASSERT(appendSizeTypedValue.mType == mModule->GetPrimitiveType(BfTypeCode_IntPtr));
|
|
}
|
|
appendSizeValue = appendSizeTypedValue.mValue;
|
|
allocAlign = BF_MAX(allocAlign, calcAppendMethodModule.mMethodInstance->mAppendAllocAlign);
|
|
appendAllocAlign = calcAppendMethodModule.mMethodInstance->mAppendAllocAlign;
|
|
}
|
|
|
|
if (appendAllocAlign != 0)
|
|
{
|
|
int endingAlign = typeInstance->GetEndingInstanceAlignment();
|
|
if (endingAlign % appendAllocAlign != 0)
|
|
{
|
|
int extraSize = appendAllocAlign - (endingAlign % appendAllocAlign);
|
|
appendSizeValue = mModule->mBfIRBuilder->CreateAdd(appendSizeValue, mModule->GetConstValue(extraSize));
|
|
}
|
|
}
|
|
}
|
|
|
|
// WTF? I'm not even sure this is correct - add more tests
|
|
appendAllocAlign = BF_MAX(appendAllocAlign, allocAlign);
|
|
|
|
BfIRValue allocValue;
|
|
if (IsVar(resolvedTypeRef))
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(resultType);
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
if (isAppendAlloc)
|
|
{
|
|
allocValue = mModule->AppendAllocFromType(resolvedTypeRef, appendSizeValue, appendAllocAlign);
|
|
}
|
|
else
|
|
{
|
|
allocValue = mModule->AllocFromType(resolvedTypeRef, allocTarget, appendSizeValue, BfIRValue(), 0, BfAllocFlags_None, allocAlign);
|
|
}
|
|
if (((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0) && (mModule->mCompiler->mCeMachine != NULL))
|
|
{
|
|
mModule->mCompiler->mCeMachine->SetAppendAllocInfo(mModule, allocValue, appendSizeValue);
|
|
}
|
|
mResult = BfTypedValue(allocValue, resultType);
|
|
}
|
|
|
|
if (isScopeAlloc)
|
|
{
|
|
// This allows readonly (ie: 'let') local usage to not require an access check. No matter what scope the alloc is tied to, the
|
|
// lifetime of the local variable will be no longer than that of the allocated value
|
|
mModule->SkipObjectAccessCheck(mResult);
|
|
}
|
|
|
|
/*if (typeInstance != NULL)
|
|
{
|
|
mModule->InitTypeInst(mResult, scopeData, true);
|
|
}
|
|
if (isStackAlloc)
|
|
{
|
|
mModule->AddStackAlloc(mResult, objCreateExpr, scopeData);
|
|
}*/
|
|
|
|
if (mResult)
|
|
{
|
|
if (bindResult.mMethodInstance == NULL)
|
|
{
|
|
// Why did we have this? It was already zeroed right?
|
|
// Zero
|
|
//mModule->mBfIRBuilder->CreateMemSet(mResult.mValue, mModule->GetConstValue8(0), mModule->GetConstValue(resolvedTypeRef->mSize), resolvedTypeRef->mAlign);
|
|
}
|
|
else if (bindResult.mFunc)
|
|
{
|
|
bool hasRealtimeLeakCheck = (mModule->mCompiler->mOptions.mEnableRealtimeLeakCheck) && (!IsComptime());
|
|
if ((typeInstance->IsObject()) || (typeInstance->IsAnonymousInitializerType()))
|
|
{
|
|
bool wantsCtorClear = true;
|
|
if (hasRealtimeLeakCheck)
|
|
{
|
|
// Dbg_ObjectAlloc clears internally so we don't need to call CtorClear for those
|
|
if ((!isStackAlloc) && (!isAppendAlloc) && (!allocTarget.mCustomAllocator) && (allocTarget.mScopedInvocationTarget == NULL))
|
|
wantsCtorClear = false;
|
|
}
|
|
|
|
if (wantsCtorClear)
|
|
{
|
|
auto ctorClear = mModule->GetMethodByName(typeInstance, "__BfCtorClear");
|
|
if (!ctorClear)
|
|
{
|
|
mModule->AssertErrorState();
|
|
}
|
|
else if ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) == 0)
|
|
{
|
|
SizedArray<BfIRValue, 1> irArgs;
|
|
irArgs.push_back(mResult.mValue);
|
|
CreateCall(objCreateExpr, ctorClear.mMethodInstance, ctorClear.mFunc, false, irArgs);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (typeInstance->IsObject())
|
|
{
|
|
if ((!mModule->mIsComptimeModule) && (isStackAlloc) && (hasRealtimeLeakCheck))
|
|
{
|
|
BfMethodInstance* markMethod = mModule->GetRawMethodByName(mModule->mContext->mBfObjectType, "GCMarkMembers");
|
|
BF_ASSERT(markMethod != NULL);
|
|
if (markMethod != NULL)
|
|
{
|
|
auto& vtableEntry = typeInstance->mVirtualMethodTable[markMethod->mVirtualTableIdx];
|
|
if (vtableEntry.mImplementingMethod.mTypeInstance != mModule->mContext->mBfObjectType)
|
|
{
|
|
auto impMethodInstance = (BfMethodInstance*)vtableEntry.mImplementingMethod;
|
|
bool needsCall = false;
|
|
if (impMethodInstance != NULL)
|
|
{
|
|
needsCall = impMethodInstance->mMethodDef->mBody != NULL;
|
|
}
|
|
else
|
|
{
|
|
needsCall = true;
|
|
BF_ASSERT(vtableEntry.mImplementingMethod.mKind == BfMethodRefKind_AmbiguousRef);
|
|
}
|
|
|
|
if (!needsCall)
|
|
{
|
|
for (auto& fieldInst : typeInstance->mFieldInstances)
|
|
{
|
|
if (fieldInst.IsAppendedObject())
|
|
{
|
|
needsCall = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (needsCall)
|
|
{
|
|
SizedArray<BfIRValue, 1> irArgs;
|
|
irArgs.push_back(mModule->mBfIRBuilder->CreateBitCast(mResult.mValue, mModule->mBfIRBuilder->MapType(mModule->mContext->mBfObjectType)));
|
|
|
|
auto gcType = mModule->ResolveTypeDef(mModule->mCompiler->mGCTypeDef);
|
|
BF_ASSERT(gcType != NULL);
|
|
if (gcType != NULL)
|
|
{
|
|
auto addStackObjMethod = mModule->GetMethodByName(gcType->ToTypeInstance(), "AddStackMarkableObject", 1);
|
|
BF_ASSERT(addStackObjMethod);
|
|
if (addStackObjMethod)
|
|
{
|
|
mModule->mBfIRBuilder->CreateCall(addStackObjMethod.mFunc, irArgs);
|
|
}
|
|
|
|
auto removeStackObjMethod = mModule->GetMethodByName(gcType->ToTypeInstance(), "RemoveStackMarkableObject", 1);
|
|
BF_ASSERT(removeStackObjMethod);
|
|
if (removeStackObjMethod)
|
|
{
|
|
mModule->AddDeferredCall(removeStackObjMethod, irArgs, allocTarget.mScopeData, allocNode);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
auto origThisTypedValue = mResult;
|
|
auto thisTypedValue = mResult;
|
|
if (inlineTypeRef != NULL)
|
|
{
|
|
BfType* wantType = bindResult.mMethodInstance->GetOwner();
|
|
if (thisTypedValue.mType->IsPointer())
|
|
wantType = mModule->CreatePointerType(wantType);
|
|
thisTypedValue = mModule->Cast(allocNode, thisTypedValue, wantType);
|
|
}
|
|
|
|
if ((bindResult.mMethodInstance->mMethodDef->mHasAppend) && (mResult.mType->IsObject()))
|
|
{
|
|
BF_ASSERT(bindResult.mIRArgs[0].IsFake());
|
|
auto typeInst = mResult.mType->ToTypeInstance();
|
|
auto intPtrType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
|
|
BfIRValue intPtrVal = mModule->CreateAlloca(intPtrType);
|
|
auto intPtrThisVal = mModule->mBfIRBuilder->CreatePtrToInt(thisTypedValue.mValue, (intPtrType->mSize == 4) ? BfTypeCode_Int32 : BfTypeCode_Int64);
|
|
auto curValPtr = mModule->mBfIRBuilder->CreateAdd(intPtrThisVal, mModule->GetConstValue(typeInst->mInstSize, intPtrType));
|
|
mModule->mBfIRBuilder->CreateStore(curValPtr, intPtrVal);
|
|
bindResult.mIRArgs[0] = intPtrVal;
|
|
}
|
|
if (!typeInstance->IsValuelessType())
|
|
bindResult.mIRArgs.Insert(0, thisTypedValue.mValue);
|
|
auto result = CreateCall(objCreateExpr, bindResult.mMethodInstance, bindResult.mFunc, false, bindResult.mIRArgs);
|
|
if ((result) && (!result.mType->IsVoid()))
|
|
mResult = result;
|
|
|
|
if (origThisTypedValue.mType != thisTypedValue.mType)
|
|
{
|
|
auto origThisType = origThisTypedValue.mType;
|
|
if (origThisType->IsPointer())
|
|
origThisType = origThisType->GetUnderlyingType();
|
|
auto origThisTypeInst = origThisType->ToTypeInstance();
|
|
if (origThisTypeInst != NULL)
|
|
{
|
|
BF_ASSERT(origThisTypeInst->IsAnonymousInitializerType());
|
|
|
|
auto ctorMethod = mModule->GetMethodByName(origThisTypeInst, "__BfCtor", 0);
|
|
if (!ctorMethod)
|
|
{
|
|
mModule->AssertErrorState();
|
|
}
|
|
else if ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) == 0)
|
|
{
|
|
SizedArray<BfIRValue, 1> irArgs;
|
|
irArgs.push_back(origThisTypedValue.mValue);
|
|
CreateCall(objCreateExpr, ctorMethod.mMethodInstance, ctorMethod.mFunc, false, irArgs);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0) && (mModule->mCompiler->mCeMachine != NULL))
|
|
{
|
|
mModule->mCompiler->mCeMachine->ClearAppendAllocInfo();
|
|
}
|
|
|
|
if ((mResult) && (isStructAlloc))
|
|
{
|
|
if (mResult.mType->IsPointer())
|
|
{
|
|
mResult = mModule->LoadValue(mResult);
|
|
mResult = BfTypedValue(mResult.mValue, mResult.mType->GetUnderlyingType(), true);
|
|
}
|
|
else
|
|
mModule->Fail(StrFormat("Allocation specifier such as 'new' is required for reference type '%s'", mModule->TypeToString(mResult.mType).c_str()), objCreateExpr);
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfBoxExpression* boxExpr)
|
|
{
|
|
/*if ((boxExpr->mAllocNode == NULL) || (boxExpr->mExpression == NULL))
|
|
{
|
|
mModule->AssertErrorState();
|
|
return;
|
|
}*/
|
|
|
|
BfTokenNode* newToken = NULL;
|
|
BfAllocTarget allocTarget;
|
|
ResolveAllocTarget(allocTarget, boxExpr->mAllocNode, newToken);
|
|
|
|
if ((boxExpr->mAllocNode != NULL) && (boxExpr->mAllocNode->mToken == BfToken_Scope))
|
|
{
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_FieldInitializer) != 0)
|
|
{
|
|
mModule->Warn(0, "This allocation will only be in scope during the constructor. Consider using a longer-term allocation such as 'new'", boxExpr->mAllocNode);
|
|
}
|
|
}
|
|
|
|
if (boxExpr->mExpression == NULL)
|
|
{
|
|
mModule->AssertErrorState();
|
|
return;
|
|
}
|
|
|
|
auto exprValue = mModule->CreateValueFromExpression(boxExpr->mExpression);
|
|
if (exprValue)
|
|
{
|
|
bool doFail = false;
|
|
bool doWarn = false;
|
|
BfType* boxedType = NULL;
|
|
|
|
if (exprValue.mType->IsGenericParam())
|
|
{
|
|
BF_ASSERT(mModule->mCurMethodInstance->mIsUnspecialized);
|
|
|
|
auto genericParamTarget = (BfGenericParamType*)exprValue.mType;
|
|
auto genericParamInstance = mModule->GetGenericParamInstance(genericParamTarget);
|
|
|
|
if ((genericParamInstance->mGenericParamFlags & (BfGenericParamFlag_Struct | BfGenericParamFlag_StructPtr | BfGenericParamFlag_Class)) == BfGenericParamFlag_Class)
|
|
doWarn = true;
|
|
|
|
if ((genericParamInstance->mTypeConstraint != NULL) && (genericParamInstance->mTypeConstraint->IsObjectOrInterface()))
|
|
doWarn = true;
|
|
|
|
boxedType = mModule->mContext->mBfObjectType;
|
|
}
|
|
else
|
|
{
|
|
doFail = !exprValue.mType->IsValueTypeOrValueTypePtr();
|
|
doWarn = exprValue.mType->IsObjectOrInterface();
|
|
}
|
|
|
|
if (doWarn)
|
|
{
|
|
mModule->Warn(0, StrFormat("Boxing is unnecessary since type '%s' is already a reference type.", mModule->TypeToString(exprValue.mType).c_str()), boxExpr->mExpression);
|
|
mResult = exprValue;
|
|
return;
|
|
}
|
|
|
|
if (doFail)
|
|
{
|
|
mModule->Fail(StrFormat("Box target '%s' must be a value type or pointer to a value type", mModule->TypeToString(exprValue.mType).c_str()), boxExpr->mExpression);
|
|
return;
|
|
}
|
|
|
|
if (boxedType == NULL)
|
|
boxedType = mModule->CreateBoxedType(exprValue.mType);
|
|
if (boxedType == NULL)
|
|
boxedType = mModule->mContext->mBfObjectType;
|
|
mResult = mModule->BoxValue(boxExpr->mExpression, exprValue, boxedType, allocTarget);
|
|
if (!mResult)
|
|
{
|
|
mModule->Fail(StrFormat("Type '%s' is not boxable", mModule->TypeToString(exprValue.mType).c_str()), boxExpr->mExpression);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::ResolveAllocTarget(BfAllocTarget& allocTarget, BfAstNode* allocNode, BfTokenNode*& newToken, BfCustomAttributes** outCustomAttributes)
|
|
{
|
|
auto autoComplete = GetAutoComplete();
|
|
BfAttributeDirective* attributeDirective = NULL;
|
|
|
|
allocTarget.mRefNode = allocNode;
|
|
newToken = BfNodeDynCast<BfTokenNode>(allocNode);
|
|
if (allocNode == NULL)
|
|
{
|
|
// Scope
|
|
if (mModule->mCurMethodState != NULL)
|
|
allocTarget.mScopeData = mModule->mCurMethodState->mCurScope->GetTargetable();
|
|
}
|
|
else if (newToken == NULL)
|
|
{
|
|
if (auto scopeNode = BfNodeDynCast<BfScopeNode>(allocNode))
|
|
{
|
|
newToken = scopeNode->mScopeToken;
|
|
allocTarget.mScopeData = mModule->FindScope(scopeNode->mTargetNode, true);
|
|
|
|
if (autoComplete != NULL)
|
|
{
|
|
auto targetIdentifier = BfNodeDynCast<BfIdentifierNode>(scopeNode->mTargetNode);
|
|
if ((scopeNode->mTargetNode == NULL) || (targetIdentifier != NULL))
|
|
autoComplete->CheckLabel(targetIdentifier, scopeNode->mColonToken, allocTarget.mScopeData);
|
|
}
|
|
attributeDirective = scopeNode->mAttributes;
|
|
}
|
|
if (auto newNode = BfNodeDynCast<BfNewNode>(allocNode))
|
|
{
|
|
newToken = newNode->mNewToken;
|
|
if (auto allocExpr = BfNodeDynCast<BfExpression>(newNode->mAllocNode))
|
|
{
|
|
allocTarget.mCustomAllocator = mModule->CreateValueFromExpression(allocExpr);
|
|
allocTarget.mRefNode = allocExpr;
|
|
}
|
|
else if (auto scopedInvocationTarget = BfNodeDynCast<BfScopedInvocationTarget>(newNode->mAllocNode))
|
|
{
|
|
allocTarget.mScopedInvocationTarget = scopedInvocationTarget;
|
|
}
|
|
attributeDirective = newNode->mAttributes;
|
|
}
|
|
}
|
|
else if (newToken->GetToken() == BfToken_Scope)
|
|
{
|
|
if (mModule->mCurMethodState != NULL)
|
|
allocTarget.mScopeData = mModule->mCurMethodState->mCurScope->GetTargetable();
|
|
}
|
|
|
|
if (attributeDirective != NULL)
|
|
{
|
|
auto customAttrs = mModule->GetCustomAttributes(attributeDirective, BfAttributeTargets_Alloc, BfGetCustomAttributesFlags_AllowNonConstArgs, allocTarget.mCaptureInfo);
|
|
if (customAttrs != NULL)
|
|
{
|
|
for (auto& attrib : customAttrs->mAttributes)
|
|
{
|
|
if (attrib.mType->IsInstanceOf(mModule->mCompiler->mAlignAttributeTypeDef))
|
|
{
|
|
allocTarget.mAlignOverride = 16; // System conservative default
|
|
|
|
if (!attrib.mCtorArgs.IsEmpty())
|
|
{
|
|
BfIRConstHolder* constHolder = mModule->mCurTypeInstance->mConstHolder;
|
|
auto constant = constHolder->GetConstant(attrib.mCtorArgs[0]);
|
|
if (constant != NULL)
|
|
{
|
|
int alignOverride = (int)BF_MAX(1, constant->mInt64);
|
|
if ((alignOverride & (alignOverride - 1)) == 0)
|
|
allocTarget.mAlignOverride = alignOverride;
|
|
else
|
|
mModule->Fail("Alignment must be a power of 2", attrib.GetRefNode());
|
|
}
|
|
}
|
|
}
|
|
else if (attrib.mType->IsInstanceOf(mModule->mCompiler->mFriendAttributeTypeDef))
|
|
allocTarget.mIsFriend = true;
|
|
}
|
|
|
|
if (outCustomAttributes != NULL)
|
|
*outCustomAttributes = customAttrs;
|
|
else
|
|
delete customAttrs;
|
|
}
|
|
}
|
|
}
|
|
|
|
BfTypedValue BfExprEvaluator::MakeCallableTarget(BfAstNode* targetSrc, BfTypedValue target)
|
|
{
|
|
if ((target.mType->IsRef()) || (target.mType->IsPointer()))
|
|
{
|
|
auto underlying = target.mType->GetUnderlyingType();
|
|
bool underlyingIsStruct = underlying->IsStruct();
|
|
|
|
if (underlyingIsStruct)
|
|
{
|
|
target = mModule->LoadValue(target);
|
|
target.mType = underlying;
|
|
target.mKind = BfTypedValueKind_Addr;
|
|
}
|
|
}
|
|
|
|
if ((target.mType->IsStruct()) && (!target.IsAddr()))
|
|
{
|
|
if (IsConstEval())
|
|
return target;
|
|
target = mModule->MakeAddressable(target);
|
|
}
|
|
|
|
if (IsVar(target.mType))
|
|
{
|
|
target.mType = mModule->mContext->mBfObjectType;
|
|
return target;
|
|
}
|
|
|
|
if (target.mType->IsWrappableType())
|
|
{
|
|
auto primStructType = mModule->GetWrappedStructType(target.mType);
|
|
if (primStructType != NULL)
|
|
{
|
|
mModule->PopulateType(primStructType);
|
|
|
|
if (primStructType->IsTypedPrimitive())
|
|
{
|
|
// Type is already the same
|
|
target.mType = primStructType;
|
|
}
|
|
else if (target.IsAddr())
|
|
{
|
|
auto ptrType = mModule->CreatePointerType(primStructType);
|
|
target = BfTypedValue(mModule->mBfIRBuilder->CreateBitCast(target.mValue, mModule->mBfIRBuilder->MapType(ptrType)), primStructType, true);
|
|
}
|
|
else if ((primStructType->IsSplattable()) && (target.IsSplat()) && (!IsComptime()))
|
|
{
|
|
target.mType = primStructType;
|
|
target.mKind = BfTypedValueKind_SplatHead;
|
|
}
|
|
else
|
|
{
|
|
auto allocPtr = mModule->CreateAlloca(primStructType);
|
|
auto srcPtrType = mModule->mBfIRBuilder->CreateBitCast(allocPtr, mModule->mBfIRBuilder->GetPointerTo(mModule->mBfIRBuilder->MapType(target.mType)));
|
|
mModule->mBfIRBuilder->CreateStore(target.mValue, srcPtrType);
|
|
target = BfTypedValue(allocPtr, primStructType, true);
|
|
}
|
|
}
|
|
|
|
return target;
|
|
}
|
|
|
|
if (target.mType->IsGenericParam())
|
|
{
|
|
target.mType = mModule->mContext->mBfObjectType;
|
|
return target;
|
|
}
|
|
|
|
if ((!target.mType->IsTypeInstance()) && (!target.mType->IsConcreteInterfaceType()))
|
|
{
|
|
mModule->Fail(StrFormat("Methods cannot be called on type '%s'", mModule->TypeToString(target.mType).c_str()), targetSrc);
|
|
return BfTypedValue();
|
|
}
|
|
|
|
return target;
|
|
}
|
|
|
|
int BfExprEvaluator::GetMixinVariable()
|
|
{
|
|
auto curMethodState = mModule->mCurMethodState;
|
|
for (int localIdx = (int)curMethodState->mLocals.size() - 1; localIdx >= 0; localIdx--)
|
|
{
|
|
auto varDecl = curMethodState->mLocals[localIdx];
|
|
if (varDecl->mName == "mixin")
|
|
return localIdx;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
BfModuleMethodInstance BfExprEvaluator::GetSelectedMethod(BfAstNode* targetSrc, BfTypeInstance* curTypeInst, BfMethodDef* methodDef, BfMethodMatcher& methodMatcher, BfType** overrideReturnType)
|
|
{
|
|
bool failed = false;
|
|
|
|
BfTypeVector resolvedGenericArguments;
|
|
BfMethodState* rootMethodState = NULL;
|
|
if (mModule->mCurMethodState != NULL)
|
|
rootMethodState = mModule->mCurMethodState->GetRootMethodState();
|
|
|
|
int localInferrableGenericArgCount = -1;
|
|
|
|
if ((methodMatcher.mBestMethodGenericArguments.size() == 0) && (!methodMatcher.mExplicitMethodGenericArguments.IsEmpty()))
|
|
{
|
|
int uniqueGenericStartIdx = mModule->GetLocalInferrableGenericArgCount(methodDef);
|
|
int64 genericArgCountDiff = (int)methodMatcher.mExplicitMethodGenericArguments.size() + uniqueGenericStartIdx - (int)methodDef->mGenericParams.size();
|
|
|
|
BfInvocationExpression* invocationExpr = NULL;
|
|
if (mModule->mParentNodeEntry != NULL)
|
|
{
|
|
invocationExpr = BfNodeDynCast<BfInvocationExpression>(mModule->mParentNodeEntry->mNode);
|
|
}
|
|
|
|
if (genericArgCountDiff > 0)
|
|
{
|
|
BfAstNode* errorNode = targetSrc;
|
|
if ((invocationExpr != NULL) && (invocationExpr->mGenericArgs != NULL))
|
|
{
|
|
errorNode = invocationExpr->mGenericArgs->mGenericArgs[(int)methodDef->mGenericParams.size()];
|
|
if (errorNode == NULL)
|
|
invocationExpr->mGenericArgs->mCommas.GetSafe((int)methodDef->mGenericParams.size() - 1, errorNode);
|
|
if (errorNode == NULL)
|
|
errorNode = targetSrc;
|
|
}
|
|
mModule->Fail(StrFormat("Too many generic arguments, expected %d fewer", genericArgCountDiff), errorNode);
|
|
}
|
|
else if ((genericArgCountDiff < 0) && (!methodMatcher.mHadOpenGenericArguments))
|
|
{
|
|
BfAstNode* errorNode = targetSrc;
|
|
if ((invocationExpr != NULL) && (invocationExpr->mGenericArgs != NULL) && (invocationExpr->mGenericArgs->mCloseChevron != NULL))
|
|
errorNode = invocationExpr->mGenericArgs->mCloseChevron;
|
|
mModule->Fail(StrFormat("Too few generic arguments, expected %d more", -genericArgCountDiff), errorNode);
|
|
}
|
|
|
|
methodMatcher.mBestMethodGenericArguments.resize(methodDef->mGenericParams.size());
|
|
for (int i = 0; i < std::min(methodDef->mGenericParams.size() - uniqueGenericStartIdx, methodMatcher.mExplicitMethodGenericArguments.size()); i++)
|
|
{
|
|
methodMatcher.mBestMethodGenericArguments[i + uniqueGenericStartIdx] = methodMatcher.mExplicitMethodGenericArguments[i];
|
|
}
|
|
}
|
|
|
|
BfMethodInstance* unspecializedMethod = NULL;
|
|
|
|
bool hasVarGenerics = false;
|
|
|
|
for (int checkGenericIdx = 0; checkGenericIdx < (int)methodMatcher.mBestMethodGenericArguments.size(); checkGenericIdx++)
|
|
{
|
|
BfMethodInstance* outerMethodInstance = NULL;
|
|
|
|
auto& genericArg = methodMatcher.mBestMethodGenericArguments[checkGenericIdx];
|
|
|
|
if (genericArg == NULL)
|
|
{
|
|
if ((methodDef->mIsLocalMethod) && (checkGenericIdx < mModule->mCurMethodInstance->GetNumGenericArguments()))
|
|
{
|
|
// If the root method is generic and we need that param then use that...
|
|
auto rootMethodInstance = rootMethodState->mMethodInstance;
|
|
if ((rootMethodInstance->mMethodInfoEx != NULL) && (checkGenericIdx < rootMethodInstance->mMethodInfoEx->mMethodGenericArguments.size()))
|
|
{
|
|
genericArg = rootMethodInstance->mMethodInfoEx->mMethodGenericArguments[checkGenericIdx];
|
|
}
|
|
else
|
|
{
|
|
if (localInferrableGenericArgCount == -1)
|
|
localInferrableGenericArgCount = mModule->GetLocalInferrableGenericArgCount(methodDef);
|
|
|
|
// Otherwise we can only infer generics at the level that the called method was contained
|
|
if (checkGenericIdx < localInferrableGenericArgCount)
|
|
genericArg = mModule->mCurMethodInstance->mMethodInfoEx->mMethodGenericArguments[checkGenericIdx];
|
|
}
|
|
}
|
|
}
|
|
|
|
if (genericArg == NULL)
|
|
{
|
|
if (unspecializedMethod == NULL)
|
|
unspecializedMethod = mModule->GetRawMethodInstance(curTypeInst, methodDef);
|
|
|
|
auto genericParam = unspecializedMethod->mMethodInfoEx->mGenericParams[checkGenericIdx];
|
|
if ((genericParam->mTypeConstraint != NULL) && (genericParam->mTypeConstraint->IsDelegate()))
|
|
{
|
|
// The only other option was to bind to a MethodRef
|
|
genericArg = mModule->ResolveGenericType(genericParam->mTypeConstraint, NULL, &methodMatcher.mBestMethodGenericArguments, mModule->mCurTypeInstance);
|
|
}
|
|
else
|
|
{
|
|
if (((genericParam->mGenericParamFlags & BfGenericParamFlag_Const) != 0) && (genericParam->mTypeConstraint != NULL))
|
|
{
|
|
for (int paramIdx = 0; paramIdx < (int)unspecializedMethod->mDefaultValues.size(); paramIdx++)
|
|
{
|
|
auto defaultVal = unspecializedMethod->mDefaultValues[paramIdx];
|
|
if (!defaultVal)
|
|
continue;
|
|
|
|
auto& param = unspecializedMethod->mParams[paramIdx];
|
|
if (param.mResolvedType->IsGenericParam())
|
|
{
|
|
auto genericParamType = (BfGenericParamType*)param.mResolvedType;
|
|
if ((genericParamType->mGenericParamKind == BfGenericParamKind_Method) && (genericParamType->mGenericParamIdx == checkGenericIdx))
|
|
{
|
|
BfTypedValue constExprVal;
|
|
constExprVal.mType = genericParam->mTypeConstraint;
|
|
auto constant = curTypeInst->mConstHolder->GetConstant(defaultVal.mValue);
|
|
constExprVal.mValue = mModule->ConstantToCurrent(constant, curTypeInst->mConstHolder, genericParam->mTypeConstraint);
|
|
genericArg = mModule->CreateConstExprValueType(constExprVal);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (genericArg == NULL)
|
|
{
|
|
BfGenericInferContext genericInferContext;
|
|
genericInferContext.mModule = mModule;
|
|
genericInferContext.mCheckMethodGenericArguments = &methodMatcher.mBestMethodGenericArguments;
|
|
genericInferContext.InferGenericArguments(unspecializedMethod);
|
|
}
|
|
|
|
if (genericArg == NULL)
|
|
{
|
|
failed = true;
|
|
BfError* error = mModule->Fail(StrFormat("Unable to determine generic argument '%s'", methodDef->mGenericParams[checkGenericIdx]->mName.c_str()).c_str(), targetSrc);
|
|
if ((genericParam->mTypeConstraint != NULL) && (!genericParam->mTypeConstraint->IsUnspecializedType()))
|
|
genericArg = genericParam->mTypeConstraint;
|
|
else
|
|
genericArg = mModule->mContext->mBfObjectType;
|
|
if (error != NULL)
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), unspecializedMethod->mMethodDef->GetRefNode());
|
|
}
|
|
}
|
|
|
|
if (genericArg->IsVar())
|
|
{
|
|
//BF_ASSERT(methodMatcher.mHasVarArguments);
|
|
hasVarGenerics = true;
|
|
}
|
|
|
|
if (genericArg->IsIntUnknown())
|
|
genericArg = mModule->FixIntUnknown(genericArg);
|
|
|
|
auto resolvedGenericArg = genericArg;
|
|
resolvedGenericArguments.push_back(genericArg);
|
|
}
|
|
|
|
BfTypeInstance* foreignType = NULL;
|
|
BfGetMethodInstanceFlags flags = BfGetMethodInstanceFlag_None;
|
|
|
|
if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL) && (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mInlineAttributeTypeDef)))
|
|
{
|
|
flags = (BfGetMethodInstanceFlags)(flags | BfGetMethodInstanceFlag_ForceInline);
|
|
mModule->mAttributeState->mUsed = true;
|
|
}
|
|
|
|
if ((!mModule->mCurTypeInstance->IsInterface()) && (methodDef->mBody != NULL))
|
|
{
|
|
if ((methodMatcher.mBypassVirtual) && (methodMatcher.mBestMethodTypeInstance->IsInterface()))
|
|
{
|
|
// This is an explicit 'base' call to a default interface method. We pull the methodDef into our own concrete type.
|
|
foreignType = curTypeInst;
|
|
curTypeInst = mModule->mCurTypeInstance;
|
|
flags = (BfGetMethodInstanceFlags)(flags | BfGetMethodInstanceFlag_ForeignMethodDef);
|
|
}
|
|
else if ((methodDef->mIsStatic) && (curTypeInst->IsInterface()))
|
|
{
|
|
if (mModule->TypeIsSubTypeOf(mModule->mCurTypeInstance, curTypeInst))
|
|
{
|
|
// This is an explicit call to a default static interface method. We pull the methodDef into our own concrete type.
|
|
foreignType = curTypeInst;
|
|
curTypeInst = mModule->mCurTypeInstance;
|
|
flags = (BfGetMethodInstanceFlags)(flags | BfGetMethodInstanceFlag_ForeignMethodDef);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (hasVarGenerics)
|
|
return BfModuleMethodInstance();
|
|
|
|
BfModuleMethodInstance moduleMethodInstance;
|
|
if (methodMatcher.mBestMethodInstance)
|
|
{
|
|
moduleMethodInstance = methodMatcher.mBestMethodInstance;
|
|
}
|
|
else
|
|
{
|
|
moduleMethodInstance = mModule->GetMethodInstance(curTypeInst, methodDef, resolvedGenericArguments, flags, foreignType);
|
|
}
|
|
if (mModule->IsSkippingExtraResolveChecks())
|
|
{
|
|
//BF_ASSERT(methodInstance.mFunc == NULL);
|
|
}
|
|
if (moduleMethodInstance.mMethodInstance == NULL)
|
|
return NULL;
|
|
|
|
if (methodDef->IsEmptyPartial())
|
|
return moduleMethodInstance;
|
|
|
|
if (moduleMethodInstance.mMethodInstance->mMethodInfoEx != NULL)
|
|
{
|
|
for (int checkGenericIdx = 0; checkGenericIdx < (int)moduleMethodInstance.mMethodInstance->mMethodInfoEx->mGenericParams.size(); checkGenericIdx++)
|
|
{
|
|
auto genericParams = moduleMethodInstance.mMethodInstance->mMethodInfoEx->mGenericParams[checkGenericIdx];
|
|
BfTypeVector* checkMethodGenericArgs = NULL;
|
|
BfType* genericArg = NULL;
|
|
|
|
if (checkGenericIdx < (int)methodMatcher.mBestMethodGenericArguments.size())
|
|
{
|
|
genericArg = methodMatcher.mBestMethodGenericArguments[checkGenericIdx];
|
|
}
|
|
else
|
|
{
|
|
checkMethodGenericArgs = &methodMatcher.mBestMethodGenericArguments;
|
|
genericArg = genericParams->mExternType;
|
|
|
|
auto owner = moduleMethodInstance.mMethodInstance->GetOwner();
|
|
BfTypeVector* typeGenericArguments = NULL;
|
|
if (owner->mGenericTypeInfo != NULL)
|
|
typeGenericArguments = &owner->mGenericTypeInfo->mTypeGenericArguments;
|
|
//genericArg = mModule->ResolveGenericType(genericArg, typeGenericArguments, checkMethodGenericArgs);
|
|
}
|
|
|
|
if (genericArg->IsVar())
|
|
continue;
|
|
|
|
BfAstNode* paramSrc;
|
|
if (checkGenericIdx >= methodMatcher.mBestMethodGenericArgumentSrcs.size())
|
|
{
|
|
paramSrc = targetSrc;
|
|
}
|
|
else
|
|
paramSrc = methodMatcher.mArguments[methodMatcher.mBestMethodGenericArgumentSrcs[checkGenericIdx]].mExpression;
|
|
|
|
// Note: don't pass methodMatcher.mBestMethodGenericArguments into here, this method is already specialized
|
|
BfError* error = NULL;
|
|
if (!mModule->CheckGenericConstraints(BfGenericParamSource(moduleMethodInstance.mMethodInstance), genericArg, paramSrc, genericParams, NULL,
|
|
failed ? NULL : &error))
|
|
{
|
|
if (moduleMethodInstance.mMethodInstance->IsSpecializedGenericMethod())
|
|
{
|
|
// We mark this as failed to make sure we don't try to process a method that doesn't even follow the constraints
|
|
moduleMethodInstance.mMethodInstance->mFailedConstraints = true;
|
|
}
|
|
if (moduleMethodInstance.mMethodInstance->mMethodDef->mMethodDeclaration != NULL)
|
|
{
|
|
if (error != NULL)
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), moduleMethodInstance.mMethodInstance->mMethodDef->GetRefNode());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
BF_ASSERT(methodMatcher.mBestMethodGenericArguments.IsEmpty());
|
|
|
|
if ((overrideReturnType != NULL) && (moduleMethodInstance.mMethodInstance->mIsUnspecializedVariation) &&
|
|
((moduleMethodInstance.mMethodInstance->mReturnType->IsUnspecializedTypeVariation()) || (moduleMethodInstance.mMethodInstance->mReturnType->IsVar())))
|
|
{
|
|
if (unspecializedMethod == NULL)
|
|
unspecializedMethod = mModule->GetRawMethodInstance(curTypeInst, methodDef);
|
|
|
|
BfTypeVector* typeGenericArgs = NULL;
|
|
auto typeUnspecMethodInstance = unspecializedMethod;
|
|
if (curTypeInst->IsUnspecializedTypeVariation())
|
|
{
|
|
typeUnspecMethodInstance = mModule->GetUnspecializedMethodInstance(typeUnspecMethodInstance, true);
|
|
typeGenericArgs = &curTypeInst->mGenericTypeInfo->mTypeGenericArguments;
|
|
}
|
|
|
|
BfType* specializedReturnType = mModule->ResolveGenericType(typeUnspecMethodInstance->mReturnType, typeGenericArgs, &methodMatcher.mBestMethodGenericArguments,
|
|
mModule->mCurTypeInstance);
|
|
if (specializedReturnType != NULL)
|
|
*overrideReturnType = specializedReturnType;
|
|
}
|
|
|
|
return moduleMethodInstance;
|
|
}
|
|
|
|
BfModuleMethodInstance BfExprEvaluator::GetSelectedMethod(BfMethodMatcher& methodMatcher)
|
|
{
|
|
if (!methodMatcher.mBestMethodInstance)
|
|
methodMatcher.mBestMethodInstance = GetSelectedMethod(methodMatcher.mTargetSrc, methodMatcher.mBestMethodTypeInstance, methodMatcher.mBestMethodDef, methodMatcher);
|
|
return methodMatcher.mBestMethodInstance;
|
|
}
|
|
|
|
void BfExprEvaluator::CheckLocalMethods(BfAstNode* targetSrc, BfTypeInstance* typeInstance, const StringImpl& methodName, BfMethodMatcher& methodMatcher, BfMethodType methodType)
|
|
{
|
|
auto _GetNodeId = [&]()
|
|
{
|
|
auto parser = targetSrc->GetSourceData()->ToParserData();
|
|
return ((int64)parser->mDataId << 32) + targetSrc->GetSrcStart();
|
|
};
|
|
|
|
BfMethodState* ctxMethodState = NULL;
|
|
BfClosureInstanceInfo* ctxClosureInstanceInfo = NULL;
|
|
|
|
if ((mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mClosureState != NULL))
|
|
{
|
|
ctxClosureInstanceInfo = mModule->mCurMethodState->mClosureState->mClosureInstanceInfo;
|
|
ctxMethodState = mModule->mCurMethodState;
|
|
}
|
|
|
|
bool atCtxMethodState = false;
|
|
auto checkMethodState = mModule->mCurMethodState;
|
|
auto rootMethodState = checkMethodState;
|
|
while (checkMethodState != NULL)
|
|
{
|
|
rootMethodState = checkMethodState;
|
|
|
|
if (checkMethodState == ctxMethodState)
|
|
atCtxMethodState = true;
|
|
|
|
if ((ctxClosureInstanceInfo != NULL) && (!ctxMethodState->mClosureState->mCapturing))
|
|
{
|
|
BfMethodDef* localMethodDef = NULL;
|
|
if (ctxClosureInstanceInfo->mLocalMethodBindings.TryGetValue(_GetNodeId(), &localMethodDef))
|
|
{
|
|
methodMatcher.CheckMethod(mModule->mCurTypeInstance, mModule->mCurTypeInstance, localMethodDef, true);
|
|
BF_ASSERT(methodMatcher.mBestMethodDef != NULL);
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
BfLocalMethod* matchedLocalMethod = NULL;
|
|
BfLocalMethod* localMethod = NULL;
|
|
if (checkMethodState->mLocalMethodMap.TryGetValue(methodName, &localMethod))
|
|
{
|
|
auto typeInst = mModule->mCurTypeInstance;
|
|
if (checkMethodState->mMixinState != NULL)
|
|
typeInst = checkMethodState->mMixinState->mMixinMethodInstance->GetOwner();
|
|
|
|
while (localMethod != NULL)
|
|
{
|
|
auto methodDef = mModule->GetLocalMethodDef(localMethod);
|
|
if (methodDef->mMethodType == methodType)
|
|
{
|
|
methodMatcher.CheckMethod(mModule->mCurTypeInstance, typeInst, methodDef, true);
|
|
if (methodMatcher.mBestMethodDef == methodDef)
|
|
matchedLocalMethod = localMethod;
|
|
}
|
|
localMethod = localMethod->mNextWithSameName;
|
|
}
|
|
}
|
|
|
|
if (matchedLocalMethod != NULL)
|
|
{
|
|
if ((mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mClosureState != NULL) && (mModule->mCurMethodState->mClosureState->mCapturing))
|
|
{
|
|
BfModuleMethodInstance moduleMethodInstance = GetSelectedMethod(targetSrc, typeInstance, matchedLocalMethod->mMethodDef, methodMatcher);
|
|
if (moduleMethodInstance)
|
|
{
|
|
auto methodInstance = moduleMethodInstance.mMethodInstance;
|
|
|
|
if ((methodInstance->mMethodInfoEx != NULL) && (methodInstance->mMethodInfoEx->mClosureInstanceInfo->mCaptureClosureState != NULL))
|
|
{
|
|
// The called method is calling us from its mLocalMethodRefs set. Stretch our mCaptureStartAccessId back to incorporate its
|
|
// captures as well
|
|
if (methodInstance->mMethodInfoEx->mClosureInstanceInfo->mCaptureClosureState->mCaptureStartAccessId < mModule->mCurMethodState->mClosureState->mCaptureStartAccessId)
|
|
mModule->mCurMethodState->mClosureState->mCaptureStartAccessId = methodInstance->mMethodInfoEx->mClosureInstanceInfo->mCaptureClosureState->mCaptureStartAccessId;
|
|
}
|
|
else
|
|
{
|
|
if (methodInstance->mDisallowCalling) // We need to process the captures from this guy
|
|
{
|
|
if (mModule->mCurMethodState->mClosureState->mLocalMethodRefSet.Add(methodInstance))
|
|
mModule->mCurMethodState->mClosureState->mLocalMethodRefs.Add(methodInstance);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (ctxClosureInstanceInfo != NULL)
|
|
{
|
|
BF_ASSERT(mModule->mCurMethodState->mClosureState->mCapturing);
|
|
ctxClosureInstanceInfo->mLocalMethodBindings[_GetNodeId()] = methodMatcher.mBestMethodDef;
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
checkMethodState = checkMethodState->mPrevMethodState;
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::InjectMixin(BfAstNode* targetSrc, BfTypedValue target, bool allowImplicitThis, const StringImpl& name, const BfSizedArray<BfExpression*>& arguments, const BfMethodGenericArguments& methodGenericArgs)
|
|
{
|
|
if (mModule->mCurMethodState == NULL)
|
|
return;
|
|
|
|
if (mDeferCallRef != NULL)
|
|
{
|
|
mModule->Fail("Mixins cannot be directly deferred. Consider wrapping in a block.", targetSrc);
|
|
}
|
|
|
|
BfAstNode* origTargetSrc = targetSrc;
|
|
BfScopedInvocationTarget* scopedInvocationTarget = NULL;
|
|
|
|
if (mModule->mParentNodeEntry != NULL)
|
|
{
|
|
if (auto invocationExpr = BfNodeDynCast<BfInvocationExpression>(mModule->mParentNodeEntry->mNode))
|
|
{
|
|
scopedInvocationTarget = BfNodeDynCast<BfScopedInvocationTarget>(invocationExpr->mTarget);
|
|
}
|
|
}
|
|
auto targetNameNode = targetSrc;
|
|
if (scopedInvocationTarget != NULL)
|
|
targetNameNode = scopedInvocationTarget->mTarget;
|
|
|
|
while (true)
|
|
{
|
|
if (auto qualifiedNameNode = BfNodeDynCast<BfQualifiedNameNode>(targetNameNode))
|
|
{
|
|
targetNameNode = qualifiedNameNode->mRight;
|
|
continue;
|
|
}
|
|
if (auto memberRefExpr = BfNodeDynCast<BfMemberReferenceExpression>(targetNameNode))
|
|
{
|
|
targetNameNode = memberRefExpr->mMemberName;
|
|
continue;
|
|
}
|
|
break;
|
|
}
|
|
|
|
BfTypeInstance* mixinClass = NULL;
|
|
if (target.mType != NULL)
|
|
mixinClass = target.mType->ToTypeInstance();
|
|
int inLine = mModule->mCurFilePosition.mCurLine;
|
|
|
|
SizedArray<BfResolvedArg, 4> args;
|
|
SizedArray<BfExprEvaluator*, 8> argExprEvaluators;
|
|
|
|
defer
|
|
(
|
|
{
|
|
for (auto exprEvaluator : argExprEvaluators)
|
|
delete exprEvaluator;
|
|
}
|
|
);
|
|
|
|
auto _AddArg = [&](BfExpression* argExpr)
|
|
{
|
|
BfResolvedArg resolvedArg;
|
|
|
|
argExprEvaluators.push_back(new BfExprEvaluator(mModule));
|
|
BfExprEvaluator* exprEvaluator = argExprEvaluators.back();
|
|
exprEvaluator->mResolveGenericParam = false;
|
|
exprEvaluator->mBfEvalExprFlags = (BfEvalExprFlags)(exprEvaluator->mBfEvalExprFlags | BfEvalExprFlags_NoCast | BfEvalExprFlags_AllowRefExpr | BfEvalExprFlags_AllowOutExpr);
|
|
|
|
bool deferExpr = false;
|
|
if (auto variableDecl = BfNodeDynCast<BfVariableDeclaration>(argExpr))
|
|
{
|
|
deferExpr = true;
|
|
resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_VariableDeclaration);
|
|
}
|
|
|
|
if (deferExpr)
|
|
{
|
|
//
|
|
}
|
|
else if (argExpr != NULL)
|
|
exprEvaluator->Evaluate(argExpr, false, false, true);
|
|
else
|
|
mModule->Fail("Missing argument", targetSrc);
|
|
auto argValue = exprEvaluator->mResult;
|
|
mModule->FixIntUnknown(argValue);
|
|
|
|
if (argValue)
|
|
{
|
|
if (argValue.mType->IsRef())
|
|
{
|
|
exprEvaluator->FinishExpressionResult();
|
|
}
|
|
}
|
|
|
|
resolvedArg.mTypedValue = argValue;
|
|
resolvedArg.mExpression = argExpr;
|
|
args.push_back(resolvedArg);
|
|
};
|
|
|
|
for (BfExpression* argExpr : arguments)
|
|
{
|
|
_AddArg(argExpr);
|
|
}
|
|
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo) && (autoComplete->mMethodMatchInfo != NULL) && (autoComplete->mMethodMatchInfo->mInstanceList.size() != 0))
|
|
autoComplete->mIsCapturingMethodMatchInfo = false;
|
|
|
|
BfMethodMatcher methodMatcher(targetSrc, mModule, name, args, methodGenericArgs);
|
|
methodMatcher.mMethodType = BfMethodType_Mixin;
|
|
methodMatcher.mSkipImplicitParams = true;
|
|
|
|
auto curTypeInst = mModule->mCurTypeInstance;
|
|
if (mixinClass != NULL)
|
|
curTypeInst = mixinClass;
|
|
|
|
if (target.mType == NULL)
|
|
{
|
|
CheckLocalMethods(targetSrc, curTypeInst, name, methodMatcher, BfMethodType_Mixin);
|
|
}
|
|
|
|
if (methodMatcher.mBestMethodDef == NULL)
|
|
methodMatcher.mBestMethodDef = methodMatcher.mBackupMethodDef;
|
|
|
|
if (methodMatcher.mBestMethodDef == NULL)
|
|
{
|
|
if (mixinClass != NULL)
|
|
methodMatcher.CheckType(mixinClass, BfTypedValue(), false);
|
|
else
|
|
methodMatcher.CheckType(mModule->mCurTypeInstance, BfTypedValue(), false);
|
|
}
|
|
|
|
if ((methodMatcher.mBestMethodDef == NULL) && (target.mType == NULL) && (mModule->mContext->mCurTypeState != NULL))
|
|
{
|
|
BF_ASSERT(mModule->mCurTypeInstance == mModule->mContext->mCurTypeState->mType);
|
|
BfGlobalLookup globalLookup;
|
|
globalLookup.mKind = BfGlobalLookup::Kind_Method;
|
|
globalLookup.mName = name;
|
|
mModule->PopulateGlobalContainersList(globalLookup);
|
|
for (auto& globalContainer : mModule->mContext->mCurTypeState->mGlobalContainers)
|
|
{
|
|
if (globalContainer.mTypeInst == NULL)
|
|
continue;
|
|
methodMatcher.CheckType(globalContainer.mTypeInst, BfTypedValue(), false);
|
|
if (methodMatcher.mBestMethodDef != NULL)
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (methodMatcher.mBestMethodDef == NULL)
|
|
{
|
|
BfStaticSearch* staticSearch = mModule->GetStaticSearch();
|
|
if (staticSearch != NULL)
|
|
{
|
|
for (auto typeInst : staticSearch->mStaticTypes)
|
|
{
|
|
if (methodMatcher.CheckType(typeInst, BfTypedValue(), false))
|
|
{
|
|
if (methodMatcher.mBestMethodDef != NULL)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (methodMatcher.mBestMethodDef == NULL)
|
|
{
|
|
mModule->Fail("Cannot find mixin", targetSrc);
|
|
return;
|
|
}
|
|
|
|
auto resolvePassData = mModule->mCompiler->mResolvePassData;
|
|
if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(targetNameNode)) && (autoComplete->mDefType == NULL))
|
|
{
|
|
autoComplete->mInsertStartIdx = targetNameNode->GetSrcStart();
|
|
autoComplete->mInsertEndIdx = targetNameNode->GetSrcEnd();
|
|
autoComplete->mDefType = methodMatcher.mBestMethodTypeInstance->mTypeDef;
|
|
autoComplete->mDefMethod = methodMatcher.mBestMethodDef;
|
|
autoComplete->SetDefinitionLocation(methodMatcher.mBestMethodDef->GetMethodDeclaration()->mNameNode);
|
|
}
|
|
|
|
if ((mModule->mCompiler->mResolvePassData != NULL) && (mModule->mCompiler->mResolvePassData->mGetSymbolReferenceKind == BfGetSymbolReferenceKind_Method))
|
|
{
|
|
targetNameNode->SetSrcEnd(targetNameNode->GetSrcEnd() - 1);
|
|
mModule->mCompiler->mResolvePassData->HandleMethodReference(targetNameNode, methodMatcher.mBestMethodTypeInstance->mTypeDef, methodMatcher.mBestMethodDef);
|
|
targetNameNode->SetSrcEnd(targetNameNode->GetSrcEnd() + 1);
|
|
}
|
|
|
|
auto curMethodState = mModule->mCurMethodState;
|
|
|
|
auto moduleMethodInstance = GetSelectedMethod(targetSrc, methodMatcher.mBestMethodTypeInstance, methodMatcher.mBestMethodDef, methodMatcher);
|
|
if (!moduleMethodInstance)
|
|
{
|
|
if (methodMatcher.mHasVarArguments)
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
|
|
return;
|
|
}
|
|
|
|
mModule->Fail("Failed to get selected mixin", targetSrc);
|
|
return;
|
|
}
|
|
|
|
if (!mModule->CheckUseMethodInstance(moduleMethodInstance.mMethodInstance, targetSrc))
|
|
return;
|
|
|
|
auto methodInstance = moduleMethodInstance.mMethodInstance;
|
|
PerformCallChecks(methodInstance, targetSrc);
|
|
|
|
for (int checkGenericIdx = 0; checkGenericIdx < (int)methodMatcher.mBestMethodGenericArguments.size(); checkGenericIdx++)
|
|
{
|
|
auto& genericParams = methodInstance->mMethodInfoEx->mGenericParams;
|
|
auto genericArg = methodMatcher.mBestMethodGenericArguments[checkGenericIdx];
|
|
if (genericArg->IsVar())
|
|
continue;
|
|
|
|
BfAstNode* paramSrc;
|
|
if (methodMatcher.mBestMethodGenericArgumentSrcs.size() == 0)
|
|
paramSrc = targetSrc;
|
|
else
|
|
paramSrc = methodMatcher.mArguments[methodMatcher.mBestMethodGenericArgumentSrcs[checkGenericIdx]].mExpression;
|
|
|
|
// Note: don't pass methodMatcher.mBestMethodGenericArguments into here, this method is already specialized
|
|
BfError* error = NULL;
|
|
if (!mModule->CheckGenericConstraints(BfGenericParamSource(methodInstance), genericArg, paramSrc, genericParams[checkGenericIdx], NULL, &error))
|
|
{
|
|
if (methodInstance->mMethodDef->mMethodDeclaration != NULL)
|
|
{
|
|
if (error != NULL)
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), methodInstance->mMethodDef->GetRefNode());
|
|
}
|
|
}
|
|
}
|
|
|
|
if (curMethodState->mCurScope->mMixinDepth >= 128)
|
|
{
|
|
mModule->Fail("Maximum nested mixin depth exceeded", targetSrc);
|
|
return;
|
|
}
|
|
|
|
// Check circular ref based on methodInstance. We must check the arg types since we could be making progress in mixin evaluation
|
|
// based on method selection within the mixin dependent on args
|
|
{
|
|
bool hasCircularRef = false;
|
|
|
|
BfMixinState* checkMixinState = NULL;
|
|
|
|
auto checkMethodState = curMethodState;
|
|
while (checkMethodState != NULL)
|
|
{
|
|
auto curMixinState = checkMethodState->mMixinState;
|
|
while (curMixinState != NULL)
|
|
{
|
|
if ((curMixinState->mDoCircularVarResult) && (curMixinState->mMixinMethodInstance == methodInstance))
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
|
|
return;
|
|
}
|
|
|
|
if ((!curMixinState->mCheckedCircularRef) && (curMixinState->mMixinMethodInstance == methodInstance))
|
|
{
|
|
checkMixinState = curMixinState;
|
|
checkMixinState->mCheckedCircularRef = true;
|
|
}
|
|
else if (checkMixinState != NULL)
|
|
{
|
|
if ((curMixinState->mMixinMethodInstance == checkMixinState->mMixinMethodInstance) &&
|
|
(curMixinState->mArgTypes == checkMixinState->mArgTypes) &&
|
|
(curMixinState->mArgConsts.mSize == checkMixinState->mArgConsts.mSize))
|
|
{
|
|
bool constsMatch = true;
|
|
|
|
for (int i = 0; i < curMixinState->mArgConsts.mSize; i++)
|
|
{
|
|
if (!mModule->mBfIRBuilder->CheckConstEquality(curMixinState->mArgConsts[i], checkMixinState->mArgConsts[i]))
|
|
{
|
|
constsMatch = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (constsMatch)
|
|
hasCircularRef = true;
|
|
}
|
|
}
|
|
|
|
curMixinState = curMixinState->mPrevMixinState;
|
|
}
|
|
|
|
checkMethodState = checkMethodState->mPrevMethodState;
|
|
}
|
|
|
|
if (hasCircularRef)
|
|
{
|
|
for (auto argType : checkMixinState->mArgTypes)
|
|
{
|
|
if (argType->IsVar())
|
|
checkMixinState->mDoCircularVarResult = true;
|
|
}
|
|
|
|
if (checkMixinState->mDoCircularVarResult)
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
|
|
return;
|
|
}
|
|
|
|
mModule->Fail("Circular reference detected between mixins", targetSrc);
|
|
return;
|
|
}
|
|
}
|
|
|
|
AddCallDependencies(methodInstance);
|
|
|
|
if (!methodMatcher.mBestMethodDef->mIsStatic)
|
|
{
|
|
if ((!target) && (allowImplicitThis))
|
|
target = mModule->GetThis();
|
|
|
|
if (!target)
|
|
{
|
|
BfError* error = mModule->Fail(StrFormat("An instance reference is required to invoke the non-static mixin '%s'",
|
|
mModule->MethodToString(methodInstance).c_str()), targetSrc);
|
|
if ((error != NULL) && (methodInstance->mMethodDef->GetRefNode() != NULL))
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), methodInstance->mMethodDef->GetRefNode());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (target)
|
|
{
|
|
BfError* error = mModule->Fail(StrFormat("Mixin '%s' cannot be accessed with an instance reference; qualify it with a type name instead",
|
|
mModule->MethodToString(methodInstance).c_str()), targetSrc);
|
|
if ((error != NULL) && (methodInstance->mMethodDef->GetRefNode() != NULL))
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), methodInstance->mMethodDef->GetRefNode());
|
|
}
|
|
}
|
|
|
|
int methodParamCount = (int)methodInstance->GetParamCount();
|
|
// Implicit params are ignored for calling- they should be resolved at the injection site
|
|
int implicitParamCount = methodInstance->GetImplicitParamCount();
|
|
int explicitParamCount = methodParamCount - implicitParamCount;
|
|
|
|
while ((int)args.size() < explicitParamCount)
|
|
{
|
|
int argIdx = (int)args.size();
|
|
BfExpression* expr = methodInstance->GetParamInitializer(argIdx);
|
|
if (expr == NULL)
|
|
break;
|
|
_AddArg(expr);
|
|
}
|
|
|
|
if ((int)args.size() < explicitParamCount)
|
|
{
|
|
BfError* error = mModule->Fail(StrFormat("Not enough arguments specified, expected %d more.", explicitParamCount - (int)arguments.size()), targetSrc);
|
|
if ((error != NULL) && (methodInstance->mMethodDef->GetRefNode() != NULL))
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), methodInstance->mMethodDef->GetRefNode());
|
|
return;
|
|
}
|
|
else if ((int)args.size() > explicitParamCount)
|
|
{
|
|
BfError* error = mModule->Fail(StrFormat("Too many arguments specified, expected %d fewer.", (int)arguments.size() - explicitParamCount), targetSrc);
|
|
if ((error != NULL) && (methodInstance->mMethodDef->GetRefNode() != NULL))
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), methodInstance->mMethodDef->GetRefNode());
|
|
return;
|
|
}
|
|
|
|
int paramIdx = implicitParamCount;
|
|
auto argExprEvaluatorItr = argExprEvaluators.begin();
|
|
for (int argIdx = 0; argIdx < (int)args.size(); argIdx++)
|
|
{
|
|
auto exprEvaluator = *argExprEvaluatorItr;
|
|
//auto paramType = methodInstance->GetParamKind(paramIdx);
|
|
|
|
BfType* wantType = methodInstance->mParams[paramIdx].mResolvedType;
|
|
|
|
auto& arg = args[argIdx];
|
|
|
|
if ((arg.mArgFlags & BfArgFlag_VariableDeclaration) != 0)
|
|
{
|
|
arg.mTypedValue = ResolveArgValue(arg, wantType);
|
|
}
|
|
|
|
if (wantType->IsGenericParam())
|
|
{
|
|
//
|
|
}
|
|
else if (!wantType->IsVar())
|
|
{
|
|
if (arg.mTypedValue.mType == NULL)
|
|
{
|
|
mModule->AssertErrorState();
|
|
return;
|
|
}
|
|
|
|
if (arg.mTypedValue.mType != wantType)
|
|
{
|
|
exprEvaluator->FinishExpressionResult();
|
|
arg.mTypedValue = mModule->LoadValue(arg.mTypedValue);
|
|
arg.mTypedValue = mModule->Cast(arg.mExpression, arg.mTypedValue, wantType);
|
|
|
|
/*// Do this to generate default implicit cast error
|
|
mModule->Fail(StrFormat("Mixin argument type '%s' must match parameter type '%s'.",
|
|
mModule->TypeToString(arg.mTypedValue.mType).c_str(),
|
|
mModule->TypeToString(wantType).c_str()), arg.mExpression);
|
|
return;*/
|
|
}
|
|
}
|
|
|
|
paramIdx++;
|
|
argExprEvaluatorItr++;
|
|
}
|
|
|
|
mModule->AddDependency(methodInstance->GetOwner(), mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_InlinedCall);
|
|
|
|
auto startBlock = mModule->mBfIRBuilder->CreateBlock("mixinStart");
|
|
mModule->mBfIRBuilder->CreateBr(startBlock);
|
|
mModule->mBfIRBuilder->AddBlock(startBlock);
|
|
mModule->mBfIRBuilder->SetInsertPoint(startBlock);
|
|
|
|
//auto prevDebugLoc = mModule->mBfIRBuilder->getCurrentDebugLocation();
|
|
// This is so when we debug we can hit a steppoint on the inlined "call line"
|
|
mModule->EmitEnsureInstructionAt();
|
|
|
|
auto rootMethodState = mModule->mCurMethodState->GetRootMethodState();
|
|
|
|
BfMixinState* mixinState = rootMethodState->mMixinStates.Alloc();
|
|
mixinState->mInjectFilePosition = mModule->mCurFilePosition;
|
|
mixinState->mPrevMixinState = curMethodState->mMixinState;
|
|
mixinState->mLocalsStartIdx = (int)mModule->mCurMethodState->mLocals.size();
|
|
mixinState->mMixinMethodInstance = methodInstance;
|
|
mixinState->mSource = origTargetSrc;
|
|
mixinState->mCallerScope = mModule->mCurMethodState->mCurScope;
|
|
mixinState->mTargetScope = mixinState->mCallerScope;
|
|
mixinState->mResultExpr = NULL;
|
|
mixinState->mHasDeferredUsage = false;
|
|
mixinState->mUsedInvocationScope = false;
|
|
mixinState->mTarget = target;
|
|
|
|
auto checkNode = origTargetSrc;
|
|
if (scopedInvocationTarget != NULL)
|
|
{
|
|
auto targetScope = mModule->FindScope(scopedInvocationTarget->mScopeName, curMethodState->mMixinState);
|
|
if (targetScope != NULL)
|
|
{
|
|
mixinState->mTargetScope = targetScope;
|
|
if (autoComplete != NULL)
|
|
{
|
|
if (auto identifer = BfNodeDynCast<BfIdentifierNode>(scopedInvocationTarget->mScopeName))
|
|
autoComplete->CheckLabel(identifer, NULL, targetScope);
|
|
}
|
|
}
|
|
}
|
|
|
|
mModule->mBfIRBuilder->SaveDebugLocation();
|
|
SetAndRestoreValue<BfMixinState*> prevMixinState(curMethodState->mMixinState, mixinState);
|
|
SetAndRestoreValue<BfExprEvaluator*> prevExprEvaluator(curMethodState->mCurScope->mExprEvaluator, NULL);
|
|
|
|
BfGetSymbolReferenceKind prevSymbolRefKind = BfGetSymbolReferenceKind_None;
|
|
if (mModule->mCompiler->mResolvePassData != NULL)
|
|
{
|
|
prevSymbolRefKind = mModule->mCompiler->mResolvePassData->mGetSymbolReferenceKind;
|
|
mModule->mCompiler->mResolvePassData->mGetSymbolReferenceKind = BfGetSymbolReferenceKind_None;
|
|
}
|
|
|
|
defer
|
|
(
|
|
{
|
|
if (mModule->mCompiler->mResolvePassData != NULL)
|
|
mModule->mCompiler->mResolvePassData->mGetSymbolReferenceKind = prevSymbolRefKind;
|
|
}
|
|
);
|
|
|
|
auto methodDef = methodInstance->mMethodDef;
|
|
auto methodDeclaration = methodDef->GetMethodDeclaration();
|
|
BfScopeData scopeData;
|
|
scopeData.mCloseNode = methodDeclaration->mBody;
|
|
if (auto block = BfNodeDynCast<BfBlock>(methodDeclaration->mBody))
|
|
{
|
|
if (block->mCloseBrace != NULL)
|
|
scopeData.mCloseNode = block->mCloseBrace;
|
|
}
|
|
curMethodState->AddScope(&scopeData);
|
|
curMethodState->mCurScope->mMixinDepth++;
|
|
// We can't flush scope state because we extend params in as arbitrary values
|
|
mModule->NewScopeState(true, false);
|
|
|
|
bool wantsDIData = (mModule->mBfIRBuilder->DbgHasInfo()) && (mModule->mHasFullDebugInfo);
|
|
DISubprogram* diFunction = NULL;
|
|
|
|
int startLocalIdx = (int)mModule->mCurMethodState->mLocals.size();
|
|
int endLocalIdx = startLocalIdx;
|
|
|
|
if ((wantsDIData) || (mModule->mIsComptimeModule))
|
|
{
|
|
BfIRMDNode diFuncType = mModule->mBfIRBuilder->DbgCreateSubroutineType(methodInstance);
|
|
|
|
//int defLine = mModule->mCurFilePosition.mCurLine;
|
|
|
|
int flags = 0;
|
|
curMethodState->mCurScope->mDIInlinedAt = mModule->mBfIRBuilder->DbgGetCurrentLocation();
|
|
|
|
// We used to have the "def" line be the inlining position, but the linker we de-duplicate instances of these functions without regard to their unique line
|
|
// definitions, so we need to be consistent and use the actual line
|
|
mModule->UpdateSrcPos(methodDeclaration->mNameNode, BfSrcPosFlag_NoSetDebugLoc);
|
|
int defLine = mModule->mCurFilePosition.mCurLine;
|
|
auto diParentType = mModule->mBfIRBuilder->DbgGetTypeInst(methodInstance->GetOwner());
|
|
if (!mModule->mBfIRBuilder->mIgnoreWrites)
|
|
{
|
|
String methodName = methodDef->mName;
|
|
methodName += "!";
|
|
BfMangler::Mangle(methodName, mModule->mCompiler->GetMangleKind(), methodInstance);
|
|
String linkageName;
|
|
if ((mModule->mIsComptimeModule) && (mModule->mCompiler->mCeMachine->mCurBuilder != NULL))
|
|
linkageName = StrFormat("%d", mModule->mCompiler->mCeMachine->mCurBuilder->DbgCreateMethodRef(methodInstance, ""));
|
|
curMethodState->mCurScope->mDIScope = mModule->mBfIRBuilder->DbgCreateFunction(diParentType, methodName, linkageName, mModule->mCurFilePosition.mFileInstance->mDIFile,
|
|
defLine + 1, diFuncType, false, true, mModule->mCurFilePosition.mCurLine + 1, flags, false, BfIRValue());
|
|
scopeData.mAltDIFile = mModule->mCurFilePosition.mFileInstance->mDIFile;
|
|
}
|
|
}
|
|
|
|
if (methodDef->mBody != NULL)
|
|
mModule->UpdateSrcPos(methodDef->mBody);
|
|
|
|
mModule->SetIllegalSrcPos();
|
|
|
|
auto _AddLocalVariable = [&](BfLocalVariable* newLocalVar, BfExprEvaluator* exprEvaluator)
|
|
{
|
|
mModule->SetIllegalSrcPos();
|
|
|
|
bool hasConstValue = newLocalVar->mConstValue;
|
|
|
|
if (hasConstValue)
|
|
{
|
|
auto constant = mModule->mBfIRBuilder->GetConstant(newLocalVar->mConstValue);
|
|
hasConstValue = constant->mConstType < BfConstType_GlobalVar;
|
|
}
|
|
|
|
if ((exprEvaluator != NULL) && (exprEvaluator->mResultLocalVar != NULL) && (exprEvaluator->mResultLocalVarField == 0))
|
|
{
|
|
mModule->UpdateSrcPos(methodDeclaration->mNameNode);
|
|
mModule->AddLocalVariableDef(newLocalVar, hasConstValue);
|
|
auto inLocalVar = exprEvaluator->mResultLocalVar;
|
|
|
|
newLocalVar->mAssignedKind = inLocalVar->mAssignedKind;
|
|
newLocalVar->mUnassignedFieldFlags = inLocalVar->mUnassignedFieldFlags;
|
|
newLocalVar->mReadFromId = inLocalVar->mReadFromId;
|
|
newLocalVar->mIsReadOnly = inLocalVar->mIsReadOnly;
|
|
|
|
if ((newLocalVar->mAssignedKind == BfLocalVarAssignKind_None) && (mModule->mCurMethodState->mDeferredLocalAssignData != NULL))
|
|
{
|
|
for (auto deferredAssign : mModule->mCurMethodState->mDeferredLocalAssignData->mAssignedLocals)
|
|
{
|
|
if (deferredAssign.mLocalVar == inLocalVar)
|
|
newLocalVar->mAssignedKind = BfLocalVarAssignKind_Unconditional;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
mModule->AddLocalVariableDef(newLocalVar, hasConstValue);
|
|
}
|
|
|
|
if ((wantsDIData) && (!mModule->mBfIRBuilder->mIgnoreWrites))
|
|
{
|
|
bool handled = false;
|
|
|
|
mModule->UpdateSrcPos(methodDeclaration->mNameNode);
|
|
if (hasConstValue)
|
|
{
|
|
// Already handled
|
|
handled = true;
|
|
}
|
|
else if (newLocalVar->mIsSplat)
|
|
{
|
|
bool found = false;
|
|
|
|
auto checkMethodState = mModule->mCurMethodState;
|
|
while ((checkMethodState != NULL) && (!found))
|
|
{
|
|
for (auto localVar : checkMethodState->mLocals)
|
|
{
|
|
if (localVar == newLocalVar)
|
|
continue;
|
|
if (!localVar->mIsSplat)
|
|
continue;
|
|
if (newLocalVar->mValue != localVar->mAddr)
|
|
continue;
|
|
|
|
bool isDupName = false;
|
|
for (auto param : methodDef->mParams)
|
|
{
|
|
if (param->mName == localVar->mName)
|
|
{
|
|
isDupName = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (isDupName)
|
|
{
|
|
auto splatAgg = mModule->AggregateSplat(BfTypedValue(newLocalVar->mValue, newLocalVar->mResolvedType, BfTypedValueKind_SplatHead));
|
|
|
|
// Don't allow alias if one of our args has the same name
|
|
newLocalVar->mIsSplat = false;
|
|
newLocalVar->mValue = BfIRValue();
|
|
|
|
if (splatAgg.IsAddr())
|
|
newLocalVar->mAddr = splatAgg.mValue;
|
|
else
|
|
newLocalVar->mValue = splatAgg.mValue;
|
|
|
|
found = true;
|
|
break;
|
|
}
|
|
|
|
String name = "$";
|
|
name += newLocalVar->mName;
|
|
name += "$alias$";
|
|
name += localVar->mName;
|
|
|
|
// auto fakeValue = mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int32, 0);
|
|
// auto diType = mModule->mBfIRBuilder->DbgGetType(mModule->GetPrimitiveType(BfTypeCode_Int32));
|
|
// auto diVariable = mModule->mBfIRBuilder->DbgCreateAutoVariable(mModule->mCurMethodState->mCurScope->mDIScope,
|
|
// name, mModule->mCurFilePosition.mFileInstance->mDIFile, mModule->mCurFilePosition.mCurLine, diType);
|
|
// mModule->mBfIRBuilder->DbgInsertValueIntrinsic(fakeValue, diVariable);
|
|
|
|
auto diType = mModule->mBfIRBuilder->DbgGetType(mModule->GetPrimitiveType(BfTypeCode_NullPtr));
|
|
auto diVariable = mModule->mBfIRBuilder->DbgCreateAutoVariable(mModule->mCurMethodState->mCurScope->mDIScope,
|
|
name, mModule->mCurFilePosition.mFileInstance->mDIFile, mModule->mCurFilePosition.mCurLine, diType);
|
|
mModule->mBfIRBuilder->DbgInsertValueIntrinsic(mModule->mBfIRBuilder->CreateConstNull(), diVariable);
|
|
|
|
handled = true;
|
|
found = true;
|
|
break;
|
|
}
|
|
|
|
checkMethodState = checkMethodState->mPrevMethodState;
|
|
}
|
|
}
|
|
|
|
if (handled)
|
|
{
|
|
//
|
|
}
|
|
else if ((mModule->IsTargetingBeefBackend()) && (!mModule->mIsComptimeModule))
|
|
{
|
|
mModule->UpdateSrcPos(methodDeclaration->mNameNode);
|
|
mModule->SetIllegalSrcPos();
|
|
|
|
// With the Beef backend we can assign two variables to the same value, but LLVM does not allow this
|
|
// so we have to create a ref to that variable
|
|
auto diType = mModule->mBfIRBuilder->DbgGetType(newLocalVar->mResolvedType);
|
|
|
|
auto diVariable = mModule->mBfIRBuilder->DbgCreateAutoVariable(mModule->mCurMethodState->mCurScope->mDIScope,
|
|
newLocalVar->mName, mModule->mCurFilePosition.mFileInstance->mDIFile, mModule->mCurFilePosition.mCurLine, diType);
|
|
|
|
if (newLocalVar->mIsSplat)
|
|
{
|
|
//TODO: Implement
|
|
}
|
|
else if (newLocalVar->mResolvedType->IsValuelessType())
|
|
{
|
|
// Do nothing
|
|
}
|
|
else
|
|
{
|
|
BfIRValue value = newLocalVar->mValue;
|
|
if (newLocalVar->mAddr)
|
|
value = newLocalVar->mAddr;
|
|
else if (newLocalVar->mConstValue)
|
|
value = newLocalVar->mConstValue;
|
|
|
|
auto aliasValue = mModule->mBfIRBuilder->CreateAliasValue(value);
|
|
if (mModule->WantsLifetimes())
|
|
scopeData.mDeferredLifetimeEnds.Add(aliasValue);
|
|
|
|
if (newLocalVar->mAddr)
|
|
mModule->mBfIRBuilder->DbgInsertDeclare(aliasValue, diVariable);
|
|
else
|
|
{
|
|
if (newLocalVar->mResolvedType->IsBoolean())
|
|
{
|
|
// Fix case of remote condbr referencing
|
|
newLocalVar->mAddr = mModule->CreateAlloca(newLocalVar->mResolvedType);
|
|
mModule->mBfIRBuilder->CreateStore(newLocalVar->mValue, newLocalVar->mAddr);
|
|
}
|
|
|
|
mModule->mBfIRBuilder->DbgInsertValueIntrinsic(aliasValue, diVariable);
|
|
}
|
|
}
|
|
}
|
|
else if (newLocalVar->mAddr)
|
|
{
|
|
mModule->UpdateSrcPos(methodDeclaration->mNameNode);
|
|
mModule->SetIllegalSrcPos();
|
|
|
|
auto refType = mModule->CreateRefType(newLocalVar->mResolvedType);
|
|
auto allocaVal = mModule->CreateAlloca(refType);
|
|
|
|
mModule->mBfIRBuilder->CreateStore(newLocalVar->mAddr, allocaVal);
|
|
|
|
if (!mModule->mBfIRBuilder->mIgnoreWrites)
|
|
{
|
|
auto diType = mModule->mBfIRBuilder->DbgGetType(refType);
|
|
auto diVariable = mModule->mBfIRBuilder->DbgCreateAutoVariable(mModule->mCurMethodState->mCurScope->mDIScope,
|
|
newLocalVar->mName, mModule->mCurFilePosition.mFileInstance->mDIFile, mModule->mCurFilePosition.mCurLine, diType);
|
|
mModule->mBfIRBuilder->DbgInsertDeclare(allocaVal, diVariable);
|
|
}
|
|
}
|
|
else if (newLocalVar->mValue)
|
|
{
|
|
mModule->UpdateSrcPos(methodDeclaration->mNameNode);
|
|
mModule->SetIllegalSrcPos();
|
|
|
|
auto localVal = LoadLocal(newLocalVar);
|
|
localVal = mModule->LoadValue(localVal);
|
|
localVal = mModule->AggregateSplat(localVal);
|
|
|
|
BfType* allocType = localVal.mType;
|
|
|
|
if (!allocType->IsValuelessType())
|
|
{
|
|
auto allocaVal = mModule->CreateAlloca(allocType);
|
|
mModule->mBfIRBuilder->CreateStore(localVal.mValue, allocaVal);
|
|
|
|
if (!mModule->mBfIRBuilder->mIgnoreWrites)
|
|
{
|
|
if (newLocalVar->mIsSplat)
|
|
{
|
|
//TODO: Implement
|
|
}
|
|
else
|
|
{
|
|
auto diType = mModule->mBfIRBuilder->DbgGetType(allocType);
|
|
auto diVariable = mModule->mBfIRBuilder->DbgCreateAutoVariable(mModule->mCurMethodState->mCurScope->mDIScope,
|
|
newLocalVar->mName, mModule->mCurFilePosition.mFileInstance->mDIFile, mModule->mCurFilePosition.mCurLine, diType);
|
|
mModule->mBfIRBuilder->DbgInsertDeclare(allocaVal, diVariable);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
newLocalVar->mParamIdx = -3;
|
|
mixinState->mArgTypes.Add(newLocalVar->mResolvedType);
|
|
if (mModule->mBfIRBuilder->IsConstValue(newLocalVar->mConstValue))
|
|
mixinState->mArgConsts.Add(newLocalVar->mConstValue);
|
|
};
|
|
|
|
argExprEvaluatorItr = argExprEvaluators.begin();
|
|
for (int argIdx = methodDef->mIsStatic ? 0 : -1; argIdx < (int)explicitParamCount; argIdx++)
|
|
{
|
|
int paramIdx = argIdx;
|
|
|
|
auto exprEvaluator = *argExprEvaluatorItr;
|
|
|
|
BfTypedValue argValue;
|
|
|
|
BfLocalVariable* localVar = new BfLocalVariable();
|
|
|
|
if (argIdx == -1)
|
|
{
|
|
argValue = target;
|
|
localVar->mName = "this";
|
|
localVar->mIsThis = true;
|
|
localVar->mAssignedKind = BfLocalVarAssignKind_Unconditional;
|
|
}
|
|
else
|
|
{
|
|
auto arg = &args[argIdx];
|
|
auto paramDef = methodDef->mParams[paramIdx];
|
|
|
|
localVar->mName = paramDef->mName;
|
|
|
|
if (!arg->mTypedValue)
|
|
{
|
|
auto wantType = methodInstance->GetParamType(paramIdx);
|
|
if (wantType->IsVar())
|
|
wantType = mModule->mContext->mBfObjectType;
|
|
arg->mTypedValue = mModule->GetDefaultTypedValue(wantType);
|
|
}
|
|
argValue = arg->mTypedValue;
|
|
}
|
|
|
|
if (!argValue)
|
|
continue;
|
|
|
|
localVar->mResolvedType = argValue.mType;
|
|
if (argValue.mType->IsRef())
|
|
{
|
|
auto refType = (BfRefType*)localVar->mResolvedType;
|
|
localVar->mAddr = mModule->LoadValue(argValue).mValue;
|
|
localVar->mResolvedType = argValue.mType->GetUnderlyingType();
|
|
localVar->mAssignedKind = (refType->mRefKind != BfRefType::RefKind_Out) ? BfLocalVarAssignKind_Unconditional : BfLocalVarAssignKind_None;
|
|
}
|
|
else if (argValue.IsAddr())
|
|
localVar->mAddr = argValue.mValue;
|
|
else
|
|
{
|
|
if (!argValue.mValue)
|
|
{
|
|
// Untyped value
|
|
}
|
|
else if (argValue.mValue.IsConst())
|
|
{
|
|
localVar->mConstValue = argValue.mValue;
|
|
}
|
|
else if (argValue.IsSplat())
|
|
{
|
|
localVar->mValue = argValue.mValue;
|
|
localVar->mIsSplat = true;
|
|
}
|
|
else
|
|
{
|
|
if (argValue.IsAddr())
|
|
localVar->mAddr = argValue.mValue;
|
|
else
|
|
localVar->mValue = argValue.mValue;
|
|
}
|
|
|
|
localVar->mIsReadOnly = argValue.IsReadOnly();
|
|
}
|
|
if (argValue.IsReadOnly())
|
|
localVar->mIsReadOnly = true;
|
|
|
|
if (argIdx == -1)
|
|
{
|
|
_AddLocalVariable(localVar, NULL);
|
|
}
|
|
else
|
|
{
|
|
_AddLocalVariable(localVar, exprEvaluator);
|
|
|
|
endLocalIdx++;
|
|
++argExprEvaluatorItr;
|
|
}
|
|
}
|
|
|
|
if (auto blockBody = BfNodeDynCast<BfBlock>(methodDef->mBody))
|
|
{
|
|
mModule->VisitCodeBlock(blockBody);
|
|
|
|
if (mixinState->mResultExpr != NULL)
|
|
{
|
|
if (auto exprNode = BfNodeDynCast<BfExpression>(mixinState->mResultExpr))
|
|
{
|
|
if (!exprNode->IsA<BfBlock>())
|
|
{
|
|
// Mixin expression result
|
|
SetAndRestoreValue<BfEvalExprFlags> prevFlags(mBfEvalExprFlags, (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_AllowRefExpr));
|
|
mModule->UpdateSrcPos(exprNode);
|
|
VisitChild(exprNode);
|
|
FinishExpressionResult();
|
|
ResolveGenericType();
|
|
}
|
|
}
|
|
}
|
|
|
|
GetResult();
|
|
}
|
|
else if (auto expr = BfNodeDynCast<BfExpression>(methodDef->mBody))
|
|
{
|
|
mModule->UpdateSrcPos(expr);
|
|
mResult = mModule->CreateValueFromExpression(expr);
|
|
}
|
|
|
|
if (!mResult)
|
|
{
|
|
// If we didn't have an expression body then just make the result "void"
|
|
mResult = BfTypedValue(BfIRValue(), mModule->GetPrimitiveType(BfTypeCode_None));
|
|
}
|
|
|
|
mResult = mModule->RemoveRef(mResult);
|
|
|
|
if (mResult.IsAddr())
|
|
{
|
|
if (mModule->mCurMethodState->mCurScope->ExtendLifetime(mResult.mValue))
|
|
mModule->mBfIRBuilder->CreateLifetimeSoftEnd(mResult.mValue);
|
|
}
|
|
|
|
int localIdx = startLocalIdx;
|
|
|
|
argExprEvaluatorItr = argExprEvaluators.begin();
|
|
for (; localIdx < endLocalIdx; localIdx++)
|
|
{
|
|
auto exprEvaluator = *argExprEvaluatorItr;
|
|
BfLocalVariable* localVar = curMethodState->mLocals[localIdx];
|
|
//TODO: Merge unassigned flags together
|
|
if ((exprEvaluator != NULL) && (exprEvaluator->mResultLocalVar != NULL))
|
|
{
|
|
auto inLocalVar = exprEvaluator->mResultLocalVar;
|
|
if (localVar->mAssignedKind != BfLocalVarAssignKind_None)
|
|
inLocalVar->mAssignedKind = BfLocalVarAssignKind_Unconditional;
|
|
if (localVar->mReadFromId != -1)
|
|
inLocalVar->mReadFromId = mModule->mCurMethodState->GetRootMethodState()->mCurAccessId++;
|
|
}
|
|
|
|
++argExprEvaluatorItr;
|
|
}
|
|
|
|
if (auto blockBody = BfNodeDynCast<BfBlock>(methodDef->mBody))
|
|
{
|
|
if (blockBody->mCloseBrace != NULL)
|
|
mModule->UpdateSrcPos(blockBody->mCloseBrace);
|
|
}
|
|
else if (auto methodDeclaration = BfNodeDynCast<BfMethodDeclaration>(methodDef->mMethodDeclaration))
|
|
{
|
|
if (methodDeclaration->mFatArrowToken != NULL)
|
|
mModule->UpdateSrcPos(methodDeclaration->mFatArrowToken);
|
|
}
|
|
|
|
mModule->RestoreScopeState();
|
|
|
|
prevMixinState.Restore();
|
|
|
|
if ((scopedInvocationTarget != NULL) && (scopedInvocationTarget->mScopeName != NULL) && (!mixinState->mUsedInvocationScope))
|
|
{
|
|
mModule->Warn(0, "Scope specifier was not referenced in mixin", scopedInvocationTarget->mScopeName);
|
|
}
|
|
|
|
if (mixinState->mHasDeferredUsage)
|
|
{
|
|
mixinState->mTarget = BfTypedValue();
|
|
// Put deferred mixin states at the front
|
|
BF_ASSERT(rootMethodState->mMixinStates.back() == mixinState);
|
|
rootMethodState->mMixinStates.pop_back();
|
|
rootMethodState->mMixinStates.Insert(0, mixinState);
|
|
}
|
|
else
|
|
{
|
|
BF_ASSERT(rootMethodState->mMixinStates.back() == mixinState);
|
|
rootMethodState->mMixinStates.pop_back();
|
|
delete mixinState;
|
|
}
|
|
|
|
mModule->mBfIRBuilder->RestoreDebugLocation();
|
|
mModule->mBfIRBuilder->DupDebugLocation();
|
|
}
|
|
|
|
void BfExprEvaluator::SetMethodElementType(BfAstNode* target)
|
|
{
|
|
if (auto delegateBindExpr = BfNodeDynCast<BfDelegateBindExpression>(target))
|
|
{
|
|
SetMethodElementType(delegateBindExpr->mTarget);
|
|
return;
|
|
}
|
|
|
|
if (auto lambdaBindExpr = BfNodeDynCast<BfLambdaBindExpression>(target))
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (auto attributedIdentifierNode = BfNodeDynCast<BfAttributedIdentifierNode>(target))
|
|
{
|
|
if (attributedIdentifierNode->mIdentifier != NULL)
|
|
mModule->SetElementType(attributedIdentifierNode->mIdentifier, BfSourceElementType_Method);
|
|
}
|
|
else if (auto memberReferenceExpr = BfNodeDynCast<BfMemberReferenceExpression>(target))
|
|
{
|
|
if (memberReferenceExpr->mMemberName != NULL)
|
|
SetMethodElementType(memberReferenceExpr->mMemberName);
|
|
}
|
|
else if (auto qualifiedNameNode = BfNodeDynCast<BfQualifiedNameNode>(target))
|
|
SetMethodElementType(qualifiedNameNode->mRight);
|
|
else
|
|
mModule->SetElementType(target, BfSourceElementType_Method);
|
|
}
|
|
|
|
void BfExprEvaluator::DoInvocation(BfAstNode* target, BfMethodBoundExpression* methodBoundExpr, const BfSizedArray<BfExpression*>& args, const BfMethodGenericArguments& methodGenericArgs, BfTypedValue* outCascadeValue)
|
|
{
|
|
auto methodGenericArguments = methodGenericArgs.mArguments;
|
|
|
|
// Just a check
|
|
mModule->mBfIRBuilder->GetInsertBlock();
|
|
|
|
bool wasCapturingMethodInfo = false;
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (methodGenericArguments != NULL))
|
|
{
|
|
for (BfAstNode* methodGenericArg : *methodGenericArguments)
|
|
{
|
|
autoComplete->CheckNode(methodGenericArg, false, true);
|
|
}
|
|
}
|
|
|
|
if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo))
|
|
{
|
|
// We don't want to capture a call within the target node
|
|
wasCapturingMethodInfo = true;
|
|
autoComplete->mIsCapturingMethodMatchInfo = false;
|
|
}
|
|
|
|
bool allowImplicitThis = false;
|
|
BfAstNode* methodNodeSrc = target;
|
|
|
|
BfAttributeState attributeState;
|
|
attributeState.mTarget = (BfAttributeTargets)(BfAttributeTargets_Invocation | BfAttributeTargets_MemberAccess);
|
|
|
|
if (auto scopedTarget = BfNodeDynCast<BfScopedInvocationTarget>(target))
|
|
{
|
|
target = scopedTarget->mTarget;
|
|
if (autoComplete != NULL)
|
|
{
|
|
if (auto identifier = BfNodeDynCast<BfIdentifierNode>(scopedTarget->mScopeName))
|
|
autoComplete->CheckLabel(identifier, scopedTarget->mColonToken, NULL);
|
|
}
|
|
//mModule->FindScope(scopedTarget->mScopeName);
|
|
}
|
|
|
|
bool isCascade = false;
|
|
BfAstNode* cascadeOperatorToken = NULL;
|
|
bool bypassVirtual = false;
|
|
bool gaveUnqualifiedDotError = false;
|
|
String targetFunctionName;
|
|
BfTypedValue thisValue;
|
|
//TODO: This may just be a fully qualified static method name, so let's check that also
|
|
if (auto memberRefExpression = BfNodeDynCast<BfMemberReferenceExpression>(target))
|
|
{
|
|
if (autoComplete != NULL)
|
|
{
|
|
if (memberRefExpression->mTarget != NULL)
|
|
autoComplete->CheckMemberReference(memberRefExpression->mTarget, memberRefExpression->mDotToken, memberRefExpression->mMemberName, false, mExpectingType);
|
|
else if (mExpectingType != NULL)
|
|
{
|
|
String filter;
|
|
if ((autoComplete != NULL) && (autoComplete->InitAutocomplete(memberRefExpression->mDotToken, memberRefExpression->mMemberName, filter)))
|
|
{
|
|
auto typeInst = mExpectingType->ToTypeInstance();
|
|
if (typeInst != NULL)
|
|
{
|
|
String filter;
|
|
if ((memberRefExpression->mMemberName != NULL) && (autoComplete->IsAutocompleteNode(memberRefExpression->mMemberName)))
|
|
filter = autoComplete->GetFilter(memberRefExpression->mMemberName);
|
|
|
|
bool allowPrivate = typeInst == mModule->mCurTypeInstance;
|
|
autoComplete->AddEnumTypeMembers(typeInst, filter, false, allowPrivate);
|
|
autoComplete->AddSelfResultTypeMembers(typeInst, typeInst, filter, allowPrivate);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((memberRefExpression->mTarget == NULL) && (memberRefExpression->mMemberName == NULL))
|
|
{
|
|
auto expectingType = mExpectingType;
|
|
if ((expectingType != NULL) && (expectingType->IsNullable()))
|
|
{
|
|
auto underlyingType = expectingType->GetUnderlyingType();
|
|
expectingType = underlyingType;
|
|
}
|
|
|
|
BfType* inRefType = NULL;
|
|
if ((expectingType != NULL) && (expectingType->IsRef()))
|
|
{
|
|
auto refType = (BfRefType*)expectingType;
|
|
if (refType->mRefKind == BfRefType::RefKind_In)
|
|
{
|
|
inRefType = expectingType;
|
|
auto underlyingType = expectingType->GetUnderlyingType();
|
|
expectingType = underlyingType;
|
|
}
|
|
}
|
|
|
|
if (expectingType != NULL)
|
|
{
|
|
if (expectingType->IsSizedArray())
|
|
{
|
|
if (mModule->mParentNodeEntry != NULL)
|
|
{
|
|
if (auto invocationExpr = BfNodeDynCast<BfInvocationExpression>(mModule->mParentNodeEntry->mNode))
|
|
{
|
|
InitializedSizedArray((BfSizedArrayType*)expectingType, invocationExpr->mOpenParen, invocationExpr->mArguments, invocationExpr->mCommas, invocationExpr->mCloseParen);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
else if ((expectingType->IsStruct()) || (expectingType->IsTypedPrimitive()))
|
|
{
|
|
if ((wasCapturingMethodInfo) && (autoComplete->mMethodMatchInfo != NULL))
|
|
{
|
|
autoComplete->mIsCapturingMethodMatchInfo = true;
|
|
BF_ASSERT(autoComplete->mMethodMatchInfo != NULL);
|
|
}
|
|
|
|
if (mModule->mParentNodeEntry != NULL)
|
|
{
|
|
if (auto invocationExpr = BfNodeDynCast<BfInvocationExpression>(mModule->mParentNodeEntry->mNode))
|
|
{
|
|
BfResolvedArgs argValues(invocationExpr->mOpenParen, &invocationExpr->mArguments, &invocationExpr->mCommas, invocationExpr->mCloseParen);
|
|
|
|
BfResolveArgsFlags resolveArgsFlags = BfResolveArgsFlag_DeferParamEval;
|
|
ResolveArgValues(argValues, resolveArgsFlags);
|
|
|
|
if ((mReceivingValue != NULL) && (mReceivingValue->mType == expectingType) && (mReceivingValue->IsAddr()))
|
|
{
|
|
mResult = *mReceivingValue;
|
|
mReceivingValue = NULL;
|
|
}
|
|
else
|
|
mResult = BfTypedValue(mModule->CreateAlloca(expectingType), expectingType, BfTypedValueKind_TempAddr);
|
|
|
|
auto ctorResult = MatchConstructor(target, methodBoundExpr, mResult, expectingType->ToTypeInstance(), argValues, false, BfMethodGenericArguments(), false);
|
|
if ((ctorResult) && (!ctorResult.mType->IsVoid()))
|
|
mResult = ctorResult;
|
|
mModule->ValidateAllocation(expectingType, invocationExpr->mTarget);
|
|
|
|
if ((inRefType != NULL) && (mResult.mType == expectingType) && (mResult.IsAddr()))
|
|
{
|
|
// Put back the 'in'
|
|
mResult = BfTypedValue(mResult.mValue, inRefType);
|
|
}
|
|
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
else if (expectingType->IsGenericParam())
|
|
{
|
|
if (mModule->mParentNodeEntry != NULL)
|
|
{
|
|
if (auto invocationExpr = BfNodeDynCast<BfInvocationExpression>(mModule->mParentNodeEntry->mNode))
|
|
{
|
|
BfResolvedArgs argValues(invocationExpr->mOpenParen, &invocationExpr->mArguments, &invocationExpr->mCommas, invocationExpr->mCloseParen);
|
|
|
|
BfResolveArgsFlags resolveArgsFlags = BfResolveArgsFlag_None;
|
|
ResolveArgValues(argValues, resolveArgsFlags);
|
|
|
|
CheckGenericCtor((BfGenericParamType*)expectingType, argValues, invocationExpr->mTarget);
|
|
mResult = mModule->GetDefaultTypedValue(expectingType);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
else if (expectingType->IsVar())
|
|
{
|
|
// Silently allow
|
|
gaveUnqualifiedDotError = true;
|
|
}
|
|
else if (expectingType->IsPrimitiveType())
|
|
{
|
|
// Allow
|
|
}
|
|
else if ((mBfEvalExprFlags & BfEvalExprFlags_AppendFieldInitializer) == 0)
|
|
{
|
|
gaveUnqualifiedDotError = true;
|
|
if (mModule->PreFail())
|
|
mModule->Fail(StrFormat("Cannot use inferred constructor on type '%s'", mModule->TypeToString(expectingType).c_str()), memberRefExpression->mDotToken);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (memberRefExpression->IsA<BfBaseExpression>())
|
|
bypassVirtual = true;
|
|
|
|
if (memberRefExpression->mMemberName != NULL)
|
|
methodNodeSrc = memberRefExpression->mMemberName;
|
|
if (auto attrIdentifier = BfNodeDynCast<BfAttributedIdentifierNode>(memberRefExpression->mMemberName))
|
|
{
|
|
if (attrIdentifier->mIdentifier != NULL)
|
|
methodNodeSrc = attrIdentifier->mIdentifier;
|
|
attributeState.mSrc = attrIdentifier->mAttributes;
|
|
attributeState.mCustomAttributes = mModule->GetCustomAttributes(attrIdentifier->mAttributes, attributeState.mTarget);
|
|
if (attrIdentifier->mIdentifier != NULL)
|
|
targetFunctionName = attrIdentifier->mIdentifier->ToString();
|
|
}
|
|
else if (memberRefExpression->mMemberName != NULL)
|
|
targetFunctionName = memberRefExpression->mMemberName->ToString();
|
|
|
|
if (memberRefExpression->mTarget == NULL)
|
|
{
|
|
if (mExpectingType)
|
|
{
|
|
if (mExpectingType->IsVar())
|
|
{
|
|
}
|
|
|
|
mResult = BfTypedValue(mExpectingType);
|
|
}
|
|
else if (!gaveUnqualifiedDotError)
|
|
mModule->Fail("Unqualified dot syntax can only be used when the result type can be inferred", memberRefExpression->mDotToken);
|
|
}
|
|
else if (auto typeRef = BfNodeDynCast<BfTypeReference>(memberRefExpression->mTarget))
|
|
{
|
|
// Static method
|
|
mResult = BfTypedValue(ResolveTypeRef(typeRef));
|
|
}
|
|
if (auto leftIdentifier = BfNodeDynCast<BfIdentifierNode>(memberRefExpression->mTarget))
|
|
{
|
|
bool hadError = false;
|
|
thisValue = LookupIdentifier(leftIdentifier, true, &hadError);
|
|
|
|
CheckResultForReading(thisValue);
|
|
if (mPropDef != NULL)
|
|
thisValue = GetResult(true);
|
|
|
|
if (hadError)
|
|
{
|
|
mModule->AssertErrorState();
|
|
thisValue = mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
|
|
}
|
|
|
|
if ((!thisValue) && (mPropDef == NULL))
|
|
{
|
|
// Identifier not found. Static method? Just check speculatively don't throw error
|
|
BfType* type;
|
|
{
|
|
SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, true);
|
|
type = mModule->ResolveTypeRef(leftIdentifier, NULL, BfPopulateType_DataAndMethods, BfResolveTypeRefFlag_NoResolveGenericParam);
|
|
}
|
|
|
|
if (type != NULL)
|
|
thisValue = BfTypedValue(type);
|
|
else if (auto qualifiedLeft = BfNodeDynCast<BfQualifiedNameNode>(leftIdentifier))
|
|
{
|
|
LookupQualifiedStaticField(qualifiedLeft, true);
|
|
thisValue = mResult;
|
|
mResult = BfTypedValue();
|
|
}
|
|
}
|
|
if (mPropDef != NULL)
|
|
thisValue = GetResult(true);
|
|
if (!thisValue.mType)
|
|
{
|
|
mModule->Fail("Identifier not found", leftIdentifier);
|
|
mModule->CheckTypeRefFixit(leftIdentifier);
|
|
thisValue = mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
|
|
}
|
|
if (mResult)
|
|
CheckResultForReading(mResult);
|
|
mResult = thisValue;
|
|
}
|
|
else if (auto expr = BfNodeDynCast<BfExpression>(memberRefExpression->mTarget))
|
|
{
|
|
BfType* expectingTargetType = NULL;
|
|
if (memberRefExpression->mDotToken->mToken == BfToken_DotDot)
|
|
expectingTargetType = mExpectingType;
|
|
|
|
bool handled = false;
|
|
if (auto subMemberRefExpr = BfNodeDynCast<BfMemberReferenceExpression>(expr))
|
|
{
|
|
String findName;
|
|
if (subMemberRefExpr->mMemberName != NULL)
|
|
findName = subMemberRefExpr->mMemberName->ToString();
|
|
if (findName == "base") // Generic IFace<T>.base
|
|
{
|
|
thisValue = mModule->GetThis();
|
|
if (thisValue)
|
|
{
|
|
VisitChild(subMemberRefExpr->mTarget);
|
|
if (mResult.HasType())
|
|
{
|
|
if (mResult.mValue)
|
|
{
|
|
mModule->Fail("Type name expected", subMemberRefExpr->mTarget);
|
|
}
|
|
else
|
|
{
|
|
auto type = mResult.mType;
|
|
|
|
if (type != NULL)
|
|
{
|
|
if ((thisValue.mType == type) || (!mModule->TypeIsSubTypeOf(thisValue.mType->ToTypeInstance(), type->ToTypeInstance())))
|
|
{
|
|
mModule->Fail(StrFormat("Type '%s' is not a base type of '%s'",
|
|
mModule->TypeToString(type).c_str(),
|
|
mModule->TypeToString(thisValue.mType).c_str()), subMemberRefExpr->mTarget);
|
|
}
|
|
else
|
|
{
|
|
if (type->IsInterface())
|
|
{
|
|
thisValue.mType = type;
|
|
}
|
|
else
|
|
{
|
|
auto castedThis = mModule->Cast(subMemberRefExpr->mMemberName, thisValue, type, BfCastFlags_Explicit);
|
|
if (castedThis)
|
|
thisValue = castedThis;
|
|
//mModule->Fail("Explicit base types can only be used for specifying default interface members", qualifiedLeft->mLeft);
|
|
}
|
|
}
|
|
handled = true;
|
|
}
|
|
bypassVirtual = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!handled)
|
|
{
|
|
SetAndRestoreValue<BfAttributeState*> prevAttributeState(mModule->mAttributeState, &attributeState);
|
|
auto flags = (BfEvalExprFlags)(BfEvalExprFlags_PropogateNullConditional | BfEvalExprFlags_NoCast);
|
|
if (mFunctionBindResult != NULL)
|
|
{
|
|
if (auto paranExpr = BfNodeDynCast<BfParenthesizedExpression>(expr))
|
|
{
|
|
// Allow 'ref' on binding, to indicate we want to capture 'this' by reference
|
|
flags = (BfEvalExprFlags)(flags | BfEvalExprFlags_AllowRefExpr);
|
|
expr = paranExpr->mExpression;
|
|
}
|
|
}
|
|
if (expr != NULL)
|
|
mResult = mModule->CreateValueFromExpression(expr, expectingTargetType, flags);
|
|
}
|
|
}
|
|
|
|
isCascade = (memberRefExpression->mDotToken != NULL) && (memberRefExpression->mDotToken->GetToken() == BfToken_DotDot);
|
|
if (isCascade)
|
|
cascadeOperatorToken = memberRefExpression->mDotToken;
|
|
bool isNullCondLookup = (memberRefExpression->mDotToken != NULL) && (memberRefExpression->mDotToken->GetToken() == BfToken_QuestionDot);
|
|
if (isNullCondLookup)
|
|
mResult = SetupNullConditional(mResult, memberRefExpression->mDotToken);
|
|
|
|
if ((mResult.mType == NULL) && (memberRefExpression->mTarget != NULL))
|
|
{
|
|
mModule->AssertErrorState();
|
|
mResult = mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
|
|
}
|
|
thisValue = mResult;
|
|
mResult = BfTypedValue();
|
|
|
|
if ((thisValue) && (memberRefExpression->mDotToken != NULL) && (memberRefExpression->mDotToken->mToken == BfToken_Arrow))
|
|
thisValue = TryArrowLookup(thisValue, memberRefExpression->mDotToken);
|
|
}
|
|
else if (auto qualifiedName = BfNodeDynCast<BfQualifiedNameNode>(target))
|
|
{
|
|
if (GetAutoComplete() != NULL)
|
|
GetAutoComplete()->CheckMemberReference(qualifiedName->mLeft, qualifiedName->mDot, qualifiedName->mRight);
|
|
|
|
if (qualifiedName->mLeft->GetSrcLength() == 4)
|
|
{
|
|
if (CheckIsBase(qualifiedName->mLeft))
|
|
bypassVirtual = true;
|
|
}
|
|
|
|
if (qualifiedName->mRight != NULL)
|
|
methodNodeSrc = qualifiedName->mRight;
|
|
|
|
if (auto attrIdentifier = BfNodeDynCast<BfAttributedIdentifierNode>(qualifiedName->mRight))
|
|
{
|
|
if (attrIdentifier->mIdentifier != NULL)
|
|
methodNodeSrc = attrIdentifier->mIdentifier;
|
|
attributeState.mSrc = attrIdentifier->mAttributes;
|
|
attributeState.mCustomAttributes = mModule->GetCustomAttributes(attrIdentifier->mAttributes, attributeState.mTarget);
|
|
targetFunctionName = attrIdentifier->mIdentifier->ToString();
|
|
}
|
|
else
|
|
targetFunctionName = qualifiedName->mRight->ToString();
|
|
|
|
bool hadError = false;
|
|
thisValue = LookupIdentifier(qualifiedName->mLeft, true, &hadError);
|
|
|
|
CheckResultForReading(thisValue);
|
|
if (mPropDef != NULL)
|
|
thisValue = GetResult(true);
|
|
|
|
if (hadError)
|
|
{
|
|
mModule->AssertErrorState();
|
|
thisValue = mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
|
|
}
|
|
|
|
if ((!thisValue) && (mPropDef == NULL))
|
|
{
|
|
// Identifier not found. Static method? Just check speculatively don't throw error
|
|
BfType* type;
|
|
{
|
|
//SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, true);
|
|
type = mModule->ResolveTypeRef(qualifiedName->mLeft, NULL, BfPopulateType_DataAndMethods, (BfResolveTypeRefFlags)(BfResolveTypeRefFlag_NoResolveGenericParam | BfResolveTypeRefFlag_AllowGlobalContainer | BfResolveTypeRefFlag_IgnoreLookupError));
|
|
}
|
|
|
|
if (type == NULL)
|
|
{
|
|
//SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, true);
|
|
|
|
type = mModule->ResolveTypeRef(qualifiedName, methodGenericArguments, BfPopulateType_DataAndMethods, (BfResolveTypeRefFlags)(BfResolveTypeRefFlag_NoResolveGenericParam | BfResolveTypeRefFlag_AllowGlobalContainer | BfResolveTypeRefFlag_IgnoreLookupError));
|
|
if (type != NULL)
|
|
{
|
|
// This is a CTOR call, treat it as such
|
|
targetFunctionName.clear();
|
|
}
|
|
}
|
|
|
|
if (type != NULL)
|
|
thisValue = BfTypedValue(type);
|
|
else if (auto qualifiedLeft = BfNodeDynCast<BfQualifiedNameNode>(qualifiedName->mLeft))
|
|
{
|
|
String findName = qualifiedLeft->mRight->ToString();
|
|
bool handled = false;
|
|
if (findName == "base")
|
|
{
|
|
auto type = mModule->ResolveTypeRef(qualifiedLeft->mLeft, NULL, BfPopulateType_Data, BfResolveTypeRefFlag_AllowRef);
|
|
mModule->CheckTypeRefFixit(qualifiedLeft->mLeft);
|
|
thisValue = mModule->GetThis();
|
|
if (type != NULL)
|
|
{
|
|
if ((thisValue.mType == type) || (!mModule->TypeIsSubTypeOf(thisValue.mType->ToTypeInstance(), type->ToTypeInstance())))
|
|
{
|
|
mModule->Fail(StrFormat("Type '%s' is not a base type of '%s'",
|
|
mModule->TypeToString(type).c_str(),
|
|
mModule->TypeToString(thisValue.mType).c_str()), qualifiedLeft->mLeft);
|
|
}
|
|
else
|
|
{
|
|
if (type->IsInterface())
|
|
{
|
|
thisValue.mType = type;
|
|
}
|
|
else
|
|
{
|
|
auto castedThis = mModule->Cast(qualifiedLeft->mRight, thisValue, type, BfCastFlags_Explicit);
|
|
if (castedThis)
|
|
thisValue = castedThis;
|
|
//mModule->Fail("Explicit base types can only be used for specifying default interface members", qualifiedLeft->mLeft);
|
|
}
|
|
}
|
|
handled = true;
|
|
}
|
|
bypassVirtual = true;
|
|
}
|
|
|
|
if (!handled)
|
|
{
|
|
LookupQualifiedStaticField(qualifiedLeft, true);
|
|
thisValue = mResult;
|
|
mResult = BfTypedValue();
|
|
}
|
|
}
|
|
}
|
|
if (mPropDef != NULL)
|
|
thisValue = GetResult(true);
|
|
if (!thisValue.mType)
|
|
{
|
|
mModule->Fail("Identifier not found", qualifiedName->mLeft);
|
|
mModule->CheckTypeRefFixit(qualifiedName->mLeft);
|
|
mModule->CheckIdentifierFixit(qualifiedName->mLeft);
|
|
thisValue = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
|
|
}
|
|
if (mResult)
|
|
CheckResultForReading(mResult);
|
|
mResult = BfTypedValue();
|
|
}
|
|
else if (auto identiferExpr = BfNodeDynCast<BfIdentifierNode>(target))
|
|
{
|
|
if (auto attrIdentifier = BfNodeDynCast<BfAttributedIdentifierNode>(target))
|
|
{
|
|
if (attrIdentifier->mIdentifier != NULL)
|
|
methodNodeSrc = attrIdentifier->mIdentifier;
|
|
attributeState.mSrc = attrIdentifier->mAttributes;
|
|
attributeState.mCustomAttributes = mModule->GetCustomAttributes(attrIdentifier->mAttributes, attributeState.mTarget);
|
|
}
|
|
|
|
allowImplicitThis = true;
|
|
|
|
if (autoComplete != NULL)
|
|
autoComplete->CheckIdentifier(identiferExpr);
|
|
|
|
targetFunctionName = target->ToString();
|
|
if (targetFunctionName == "PrintF") // Just directly call that one
|
|
{
|
|
BfType* charType = mModule->GetPrimitiveType(BfTypeCode_Char8);
|
|
BfType* charPtrType = mModule->CreatePointerType(charType);
|
|
|
|
auto func = mModule->GetBuiltInFunc(BfBuiltInFuncType_PrintF);
|
|
SizedArray<BfIRValue, 4> irArgs;
|
|
for (BfExpression* arg : args)
|
|
{
|
|
BfTypedValue value;
|
|
if (arg != NULL)
|
|
value = mModule->CreateValueFromExpression(arg);
|
|
if (!value)
|
|
return;
|
|
auto typeInst = value.mType->ToTypeInstance();
|
|
if ((typeInst != NULL) && (typeInst->IsInstanceOf(mModule->mCompiler->mStringTypeDef)))
|
|
value = mModule->Cast(arg, value, charPtrType);
|
|
if ((value.mType->IsFloat()) && (value.mType->mSize != 8)) // Always cast float to double
|
|
value = mModule->Cast(arg, value, mModule->GetPrimitiveType(BfTypeCode_Double));
|
|
irArgs.push_back(value.mValue);
|
|
}
|
|
|
|
if ((targetFunctionName != "PrintF") || (irArgs.size() > 0))
|
|
{
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCall(func, irArgs/*, targetFunctionName*/),
|
|
mModule->ResolveTypeDef(mModule->mSystem->mTypeInt32));
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (auto ceDbgState = mModule->GetCeDbgState())
|
|
{
|
|
if (targetFunctionName.StartsWith("__"))
|
|
{
|
|
auto ceDebugger = mModule->mCompiler->mCeMachine->mDebugger;
|
|
|
|
auto _ResolveArg = [&](int argIdx, BfType* type = NULL)
|
|
{
|
|
if ((argIdx < 0) || (argIdx >= args.mSize))
|
|
return BfTypedValue();
|
|
return mModule->CreateValueFromExpression(args[argIdx], type);
|
|
};
|
|
|
|
if (targetFunctionName == "__getHighBits")
|
|
{
|
|
auto typedVal = _ResolveArg(0);
|
|
if ((typedVal) && (typedVal.mType->IsPrimitiveType()))
|
|
{
|
|
auto primType = (BfPrimitiveType*)typedVal.mType;
|
|
|
|
int64 val = ceDebugger->ValueToInt(typedVal);
|
|
int64 bitCount = ceDebugger->ValueToInt(_ResolveArg(1));
|
|
int64 resultVal = val >> (typedVal.mType->mSize * 8 - bitCount);
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, (uint64)resultVal), typedVal.mType);
|
|
return;
|
|
}
|
|
}
|
|
else if (targetFunctionName == "__clearHighBits")
|
|
{
|
|
auto typedVal = _ResolveArg(0);
|
|
if ((typedVal) && (typedVal.mType->IsPrimitiveType()))
|
|
{
|
|
auto primType = (BfPrimitiveType*)typedVal.mType;
|
|
|
|
int64 val = ceDebugger->ValueToInt(typedVal);
|
|
int64 bitCount = ceDebugger->ValueToInt(_ResolveArg(1));
|
|
int64 andBits = (0x8000000000000000LL) >> ((typedVal.mType->mSize - 8) * 8 + bitCount - 1);
|
|
int64 resultVal = val & ~andBits;
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, (uint64)resultVal), typedVal.mType);
|
|
return;
|
|
}
|
|
}
|
|
else if ((targetFunctionName == "__cast") || (targetFunctionName == "__bitcast"))
|
|
{
|
|
BfType* type = NULL;
|
|
String typeName;
|
|
for (int argIdx = 0; argIdx < args.mSize - 1; argIdx++)
|
|
{
|
|
auto arg = _ResolveArg(argIdx);
|
|
if (!arg)
|
|
continue;
|
|
if (arg.mType->IsInstanceOf(mModule->mCompiler->mStringTypeDef))
|
|
{
|
|
auto strPtr = mModule->GetStringPoolString(arg.mValue, mModule->mBfIRBuilder);
|
|
if (strPtr != NULL)
|
|
{
|
|
if ((type != NULL) && (*strPtr == "*"))
|
|
{
|
|
type = mModule->CreatePointerType(type);
|
|
}
|
|
else
|
|
typeName += *strPtr;
|
|
}
|
|
}
|
|
|
|
if (arg.mType->IsInteger())
|
|
{
|
|
int64 intVal = ceDebugger->ValueToInt(arg);
|
|
if (typeName.IsEmpty())
|
|
{
|
|
auto typeType = mModule->ResolveTypeDef(mModule->mCompiler->mTypeTypeDef)->ToTypeInstance();
|
|
auto fieldDef = typeType->mTypeDef->GetFieldByName("mTypeId");
|
|
if (fieldDef != NULL)
|
|
{
|
|
int typeId = ceDebugger->ReadMemory<int>((intptr)intVal + typeType->mFieldInstances[fieldDef->mIdx].mDataOffset);
|
|
type = mModule->mContext->FindTypeById(typeId);
|
|
}
|
|
}
|
|
else
|
|
typeName += StrFormat("%lld", intVal);
|
|
}
|
|
}
|
|
|
|
auto fromTypedVal = _ResolveArg(args.mSize - 1);
|
|
|
|
if (!typeName.IsEmpty())
|
|
type = ceDebugger->FindType(typeName);
|
|
|
|
if (type != NULL)
|
|
{
|
|
if (targetFunctionName == "__bitcast")
|
|
{
|
|
if ((type->IsObjectOrInterface()) || (type->IsPointer()))
|
|
{
|
|
auto ceAddrVal = ceDebugger->GetAddr(fromTypedVal);
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateIntToPtr(ceAddrVal.mAddr, mModule->mBfIRBuilder->MapType(type)), type);
|
|
}
|
|
else
|
|
{
|
|
Array<uint8> memArr;
|
|
memArr.Resize(BF_MAX(type->mSize, fromTypedVal.mType->mSize));
|
|
mModule->mBfIRBuilder->WriteConstant(fromTypedVal.mValue, memArr.mVals, fromTypedVal.mType);
|
|
auto newVal = mModule->mBfIRBuilder->ReadConstant(memArr.mVals, type);
|
|
mResult = BfTypedValue(newVal, type);
|
|
}
|
|
}
|
|
else
|
|
mResult = mModule->Cast(target, fromTypedVal, type, (BfCastFlags)(BfCastFlags_Explicit | BfCastFlags_SilentFail));
|
|
}
|
|
|
|
return;
|
|
}
|
|
else if (targetFunctionName == "__stringView")
|
|
{
|
|
auto ptrVal = _ResolveArg(0);
|
|
auto sizeVal = _ResolveArg(1);
|
|
|
|
if (ceDbgState->mFormatInfo != NULL)
|
|
ceDbgState->mFormatInfo->mOverrideCount = (int)ceDebugger->ValueToInt(sizeVal);
|
|
|
|
mResult = ptrVal;
|
|
return;
|
|
}
|
|
else if ((targetFunctionName == "__funcName") || (targetFunctionName == "__funcTarget"))
|
|
{
|
|
auto addrVal = _ResolveArg(0);
|
|
auto ceAddrVal = ceDebugger->GetAddr(addrVal);
|
|
|
|
CeFunction* ceFunction = NULL;
|
|
int functionId = 0;
|
|
if (mModule->mSystem->mPtrSize == 4)
|
|
{
|
|
functionId = (int)addrVal;
|
|
}
|
|
else
|
|
{
|
|
CeFunction* checkCeFunction = (CeFunction*)ceAddrVal.mAddr;
|
|
functionId = checkCeFunction->SafeGetId();
|
|
}
|
|
|
|
if (mModule->mCompiler->mCeMachine->mFunctionIdMap.TryGetValue(functionId, &ceFunction))
|
|
{
|
|
BfMethodInstance* methodInstance = ceFunction->mMethodInstance;
|
|
if (methodInstance != NULL)
|
|
{
|
|
if (targetFunctionName == "__funcTarget")
|
|
{
|
|
BfType* targetType = methodInstance->GetOwner();
|
|
if (targetType->IsValueType())
|
|
targetType = mModule->CreatePointerType(targetType);
|
|
|
|
auto targetVal = _ResolveArg(1);
|
|
auto ceTargetVal = ceDebugger->GetAddr(targetVal);
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateIntToPtr(ceTargetVal.mAddr, mModule->mBfIRBuilder->MapType(targetType)), targetType);
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
mResult = BfTypedValue(mModule->GetStringObjectValue(mModule->MethodToString(methodInstance)),
|
|
mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
|
|
return;
|
|
}
|
|
}
|
|
else if ((ceFunction->mCeInnerFunctionInfo != NULL) && (targetFunctionName == "__funcName"))
|
|
{
|
|
mResult = BfTypedValue(mModule->GetStringObjectValue(BfDemangler::Demangle(ceFunction->mCeInnerFunctionInfo->mName, DbgLanguage_Beef)),
|
|
mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (targetFunctionName == "__funcTarget")
|
|
mResult = _ResolveArg(1);
|
|
else
|
|
mResult = addrVal;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (auto expr = BfNodeDynCast<BfExpression>(target))
|
|
{
|
|
auto innerInvocationResult = mModule->CreateValueFromExpression(expr);
|
|
if (!innerInvocationResult)
|
|
{
|
|
mModule->AssertErrorState();
|
|
innerInvocationResult = mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
|
|
}
|
|
|
|
if (innerInvocationResult.mType->IsVar())
|
|
{
|
|
mResult = innerInvocationResult;
|
|
return;
|
|
}
|
|
|
|
targetFunctionName = "Invoke";
|
|
if (innerInvocationResult.mType->IsTypeInstance())
|
|
{
|
|
auto invocationTypeInst = innerInvocationResult.mType->ToTypeInstance();
|
|
if ((invocationTypeInst->mTypeDef->mIsDelegate) || (invocationTypeInst->mTypeDef->mIsFunction))
|
|
{
|
|
thisValue = innerInvocationResult;
|
|
}
|
|
}
|
|
|
|
if (!thisValue)
|
|
{
|
|
mModule->Fail(StrFormat("Cannot perform invocation on type '%s'", mModule->TypeToString(innerInvocationResult.mType).c_str()), expr);
|
|
thisValue = mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail("Invalid invocation target", target);
|
|
thisValue = mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
|
|
}
|
|
|
|
if ((wasCapturingMethodInfo) && (autoComplete->mMethodMatchInfo != NULL))
|
|
{
|
|
autoComplete->mIsCapturingMethodMatchInfo = true;
|
|
BF_ASSERT(autoComplete->mMethodMatchInfo != NULL);
|
|
}
|
|
|
|
SetAndRestoreValue<BfAttributeState*> prevAttributeState;
|
|
if (attributeState.mCustomAttributes != NULL)
|
|
prevAttributeState.Init(mModule->mAttributeState, &attributeState);
|
|
|
|
if ((targetFunctionName != "") && (targetFunctionName[targetFunctionName.length() - 1] == '!'))
|
|
{
|
|
targetFunctionName = targetFunctionName.Substring(0, targetFunctionName.length() - 1);
|
|
InjectMixin(methodNodeSrc, thisValue, allowImplicitThis, targetFunctionName, args, methodGenericArgs);
|
|
|
|
return;
|
|
}
|
|
|
|
if (targetFunctionName.StartsWith('@'))
|
|
targetFunctionName.Remove(0, 1);
|
|
|
|
//TODO: We removed this... Messed up with PrimStruct 'this' non-mut errors
|
|
|
|
// We moved this until later in MatchMethod, we want the raw target for the GetType optimization, plus we shouldn't do this until we know we won't do a SkipCall
|
|
/*if (thisValue)
|
|
{
|
|
if ((!thisValue.mType->IsGenericParam()) && (!thisValue.IsSplat()) && (!thisValue.mType->IsVar()))
|
|
thisValue = MakeCallableTarget(target, thisValue);
|
|
}*/
|
|
|
|
int methodCount = 0;
|
|
bool mayBeSkipCall = false;
|
|
bool mayBeComptimeCall = false;
|
|
|
|
BfTypeInstance* checkTypeInst = NULL;
|
|
|
|
if (thisValue.mType != NULL)
|
|
{
|
|
if (thisValue.mType->IsAllocType())
|
|
thisValue.mType = thisValue.mType->GetUnderlyingType();
|
|
|
|
checkTypeInst = thisValue.mType->ToTypeInstance();
|
|
}
|
|
else if (allowImplicitThis)
|
|
{
|
|
checkTypeInst = mModule->mCurTypeInstance;
|
|
}
|
|
|
|
while (checkTypeInst != NULL)
|
|
{
|
|
checkTypeInst->mTypeDef->PopulateMemberSets();
|
|
BfMemberSetEntry* memberSetEntry;
|
|
if (checkTypeInst->mTypeDef->mMethodSet.TryGetWith(targetFunctionName, &memberSetEntry))
|
|
{
|
|
BfMethodDef* methodDef = (BfMethodDef*)memberSetEntry->mMemberDef;
|
|
while (methodDef != NULL)
|
|
{
|
|
if (methodDef->mIsSkipCall)
|
|
mayBeSkipCall = true;
|
|
if (methodDef->mHasComptime)
|
|
mayBeComptimeCall = true;
|
|
methodDef = methodDef->mNextWithSameName;
|
|
}
|
|
}
|
|
checkTypeInst = checkTypeInst->mBaseType;
|
|
}
|
|
|
|
SizedArray<BfExpression*, 8> copiedArgs;
|
|
for (BfExpression* arg : args)
|
|
copiedArgs.push_back(arg);
|
|
BfSizedArray<BfExpression*> sizedCopiedArgs(copiedArgs);
|
|
BfResolvedArgs argValues(&sizedCopiedArgs);
|
|
|
|
if (mModule->mParentNodeEntry != NULL)
|
|
{
|
|
if (auto invocationExpr = BfNodeDynCast<BfInvocationExpression>(mModule->mParentNodeEntry->mNode))
|
|
{
|
|
argValues.mOpenToken = invocationExpr->mOpenParen;
|
|
argValues.mCommas = &invocationExpr->mCommas;
|
|
argValues.mCloseToken = invocationExpr->mCloseParen;
|
|
}
|
|
}
|
|
|
|
BfResolveArgsFlags resolveArgsFlags = (BfResolveArgsFlags)(BfResolveArgsFlag_DeferFixits | BfResolveArgsFlag_AllowUnresolvedTypes);
|
|
resolveArgsFlags = (BfResolveArgsFlags)(resolveArgsFlags | BfResolveArgsFlag_DeferParamEval);
|
|
if ((mayBeSkipCall) || (mayBeComptimeCall))
|
|
resolveArgsFlags = (BfResolveArgsFlags)(resolveArgsFlags | BfResolveArgsFlag_DeferParamValues);
|
|
|
|
static int sCallIdx = 0;
|
|
sCallIdx++;
|
|
int callIdx = sCallIdx;
|
|
if (callIdx == 1557)
|
|
{
|
|
NOP;
|
|
}
|
|
|
|
BfCheckedKind checkedKind = BfCheckedKind_NotSet;
|
|
if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL))
|
|
{
|
|
if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mCheckedAttributeTypeDef))
|
|
{
|
|
checkedKind = BfCheckedKind_Checked;
|
|
mModule->mAttributeState->mUsed = true;
|
|
}
|
|
if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mUncheckedAttributeTypeDef))
|
|
{
|
|
checkedKind = BfCheckedKind_Unchecked;
|
|
mModule->mAttributeState->mUsed = true;
|
|
}
|
|
if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mNoStaticCtorAttributeTypeDef))
|
|
{
|
|
mModule->mAttributeState->mUsed = true;
|
|
}
|
|
}
|
|
|
|
if ((isCascade) && (cascadeOperatorToken != NULL) && ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0))
|
|
mModule->Fail("Cascade operator cannot be used in const evaluation", cascadeOperatorToken);
|
|
|
|
SetAndRestoreValue<bool> prevUsedAsStatement(mUsedAsStatement, mUsedAsStatement || isCascade);
|
|
SetAndRestoreValue<BfEvalExprFlags> prevEvalExprFlags(mBfEvalExprFlags);
|
|
if (isCascade)
|
|
{
|
|
mBfEvalExprFlags = (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_InCascade);
|
|
thisValue = mModule->MakeAddressable(thisValue);
|
|
}
|
|
|
|
if (((mayBeComptimeCall) && (!mModule->mIsComptimeModule) && (!mModule->mBfIRBuilder->mIgnoreWrites)) ||
|
|
((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL) && (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mConstEvalAttributeTypeDef))))
|
|
{
|
|
resolveArgsFlags = (BfResolveArgsFlags)(resolveArgsFlags | BfResolveArgsFlag_DeferParamEval | BfResolveArgsFlag_DeferStrings);
|
|
}
|
|
|
|
ResolveArgValues(argValues, resolveArgsFlags);
|
|
|
|
//
|
|
{
|
|
// We also apply this right before the actual call, but we need to set the comptime flag earlier
|
|
SetAndRestoreValue<BfEvalExprFlags> prevEvalExprFlag(mBfEvalExprFlags);
|
|
|
|
if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL) && (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mConstEvalAttributeTypeDef)))
|
|
{
|
|
mModule->mAttributeState->mUsed = true;
|
|
mBfEvalExprFlags = (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_Comptime);
|
|
}
|
|
mResult = MatchMethod(methodNodeSrc, methodBoundExpr, thisValue, allowImplicitThis, bypassVirtual, targetFunctionName, argValues, methodGenericArgs, checkedKind);
|
|
}
|
|
|
|
argValues.HandleFixits(mModule);
|
|
|
|
if (mModule->mAttributeState == &attributeState)
|
|
mModule->FinishAttributeState(&attributeState);
|
|
|
|
if (isCascade)
|
|
{
|
|
if ((outCascadeValue != NULL) && (thisValue.mValue))
|
|
{
|
|
*outCascadeValue = thisValue;
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail("Invalid use of cascade operator", cascadeOperatorToken);
|
|
}
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfInvocationExpression* invocationExpr)
|
|
{
|
|
DoInvocation(invocationExpr);
|
|
}
|
|
|
|
void BfExprEvaluator::DoInvocation(BfInvocationExpression* invocationExpr)
|
|
{
|
|
BfAutoParentNodeEntry autoParentNodeEntry(mModule, invocationExpr);
|
|
|
|
// We need to check for sized array constructor like "uint8[2](1, 2)"
|
|
if (BfNodeDynCastExact<BfIndexerExpression>(invocationExpr->mTarget) != NULL)
|
|
{
|
|
auto checkTarget = invocationExpr->mTarget;
|
|
while (auto indexerExpr = BfNodeDynCastExact<BfIndexerExpression>(checkTarget))
|
|
{
|
|
checkTarget = indexerExpr->mTarget;
|
|
}
|
|
|
|
auto resolvedType = mModule->ResolveTypeRef(checkTarget, NULL, BfPopulateType_Identity, BfResolveTypeRefFlag_IgnoreLookupError);
|
|
if (resolvedType != NULL)
|
|
{
|
|
BfType* curType = resolvedType;
|
|
|
|
auto checkTarget = invocationExpr->mTarget;
|
|
while (auto indexerExpr = BfNodeDynCastExact<BfIndexerExpression>(checkTarget))
|
|
{
|
|
checkTarget = indexerExpr->mTarget;
|
|
|
|
if (indexerExpr->mCommas.size() != 0)
|
|
mModule->Fail("Only one value expected. Consider adding an allocation specifier such as 'new' if construction of a dynamic multidimensional was intended.", indexerExpr->mCommas[0]);
|
|
|
|
int arrSize = 0;
|
|
|
|
BfTypeState typeState;
|
|
typeState.mArrayInitializerSize = (int)invocationExpr->mArguments.size();
|
|
SetAndRestoreValue<BfTypeState*> prevTypeState(mModule->mContext->mCurTypeState, &typeState);
|
|
|
|
if (indexerExpr->mArguments.size() != 0)
|
|
{
|
|
BfConstResolver constResolver(mModule);
|
|
auto arg = indexerExpr->mArguments[0];
|
|
constResolver.mExpectingType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
|
|
|
|
if (arg != NULL)
|
|
constResolver.Resolve(arg, NULL, BfConstResolveFlag_ArrayInitSize);
|
|
|
|
if (constResolver.mResult.mValue.IsConst())
|
|
{
|
|
auto constant = mModule->mBfIRBuilder->GetConstant(constResolver.mResult.mValue);
|
|
|
|
if ((mModule->mBfIRBuilder->IsInt(constant->mTypeCode)) && (constant->mInt64 >= 0))
|
|
{
|
|
arrSize = constant->mInt32;
|
|
}
|
|
else
|
|
mModule->Fail("Non-negative integer expected", indexerExpr->mArguments[0]);
|
|
}
|
|
}
|
|
else
|
|
arrSize = invocationExpr->mArguments.size();
|
|
|
|
curType = mModule->CreateSizedArrayType(curType, arrSize);
|
|
}
|
|
|
|
InitializedSizedArray((BfSizedArrayType*)curType, invocationExpr->mOpenParen, invocationExpr->mArguments, invocationExpr->mCommas, invocationExpr->mCloseParen, NULL);
|
|
return;
|
|
}
|
|
}
|
|
|
|
auto autoComplete = GetAutoComplete();
|
|
auto wasCapturingMethodInfo = (autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo);
|
|
if (autoComplete != NULL)
|
|
autoComplete->CheckInvocation(invocationExpr, invocationExpr->mOpenParen, invocationExpr->mCloseParen, invocationExpr->mCommas);
|
|
|
|
mModule->UpdateExprSrcPos(invocationExpr);
|
|
BfMethodGenericArguments methodGenericArgs;
|
|
if (invocationExpr->mGenericArgs != NULL)
|
|
{
|
|
methodGenericArgs.mArguments = &invocationExpr->mGenericArgs->mGenericArgs;
|
|
if ((!invocationExpr->mGenericArgs->mCommas.IsEmpty()) && (invocationExpr->mGenericArgs->mCommas.back()->mToken == BfToken_DotDotDot))
|
|
{
|
|
methodGenericArgs.mIsOpen = true;
|
|
methodGenericArgs.mIsPartial = true;
|
|
}
|
|
for (int i = 0; i < (int)methodGenericArgs.mArguments->mSize; i++)
|
|
if (BfNodeIsA<BfUninitializedExpression>((*methodGenericArgs.mArguments)[i]))
|
|
methodGenericArgs.mIsPartial = true;
|
|
}
|
|
SizedArray<BfExpression*, 8> copiedArgs;
|
|
for (BfExpression* arg : invocationExpr->mArguments)
|
|
copiedArgs.push_back(arg);
|
|
|
|
BfTypedValue cascadeValue;
|
|
DoInvocation(invocationExpr->mTarget, invocationExpr, copiedArgs, methodGenericArgs, &cascadeValue);
|
|
|
|
if (autoComplete != NULL)
|
|
{
|
|
if ((wasCapturingMethodInfo) && (!autoComplete->mIsCapturingMethodMatchInfo))
|
|
{
|
|
if (autoComplete->mMethodMatchInfo != NULL)
|
|
autoComplete->mIsCapturingMethodMatchInfo = true;
|
|
else
|
|
autoComplete->mIsCapturingMethodMatchInfo = false;
|
|
//BF_ASSERT(autoComplete->mMethodMatchInfo != NULL);
|
|
}
|
|
else
|
|
autoComplete->mIsCapturingMethodMatchInfo = false;
|
|
}
|
|
|
|
/// Previous check for discard
|
|
|
|
if (cascadeValue)
|
|
mResult = cascadeValue;
|
|
}
|
|
|
|
BfMethodDef* BfExprEvaluator::GetPropertyMethodDef(BfPropertyDef* propDef, BfMethodType methodType, BfCheckedKind checkedKind, BfTypedValue propTarget)
|
|
{
|
|
bool allowMut = true;
|
|
if ((propTarget) && (propTarget.mType->IsValueType()))
|
|
{
|
|
if (propTarget.IsReadOnly())
|
|
{
|
|
allowMut = false;
|
|
}
|
|
else if (!propTarget.IsAddr())
|
|
{
|
|
mModule->PopulateType(propTarget.mType);
|
|
if (!propTarget.IsValuelessType())
|
|
allowMut = false;
|
|
}
|
|
}
|
|
|
|
int bestPri = -1000;
|
|
BfMethodDef* matchedMethod = NULL;
|
|
|
|
for (auto methodDef : propDef->mMethods)
|
|
{
|
|
if (methodDef->mMethodType != methodType)
|
|
continue;
|
|
|
|
int curPri = 0;
|
|
|
|
if (methodDef->mCheckedKind == checkedKind)
|
|
{
|
|
curPri = 5;
|
|
}
|
|
else if ((checkedKind == BfCheckedKind_NotSet) && (methodDef->mCheckedKind == mModule->GetDefaultCheckedKind()))
|
|
curPri = 3;
|
|
else
|
|
curPri = 1;
|
|
|
|
if (methodDef->mIsMutating)
|
|
{
|
|
if (allowMut)
|
|
curPri++;
|
|
else
|
|
curPri -= 10;
|
|
}
|
|
|
|
if (curPri > bestPri)
|
|
{
|
|
bestPri = curPri;
|
|
matchedMethod = methodDef;
|
|
}
|
|
}
|
|
|
|
return matchedMethod;
|
|
|
|
/*BfMethodDef* matchedMethod = NULL;
|
|
BfMethodDef* backupMethod = NULL;
|
|
for (auto methodDef : propDef->mMethods)
|
|
{
|
|
if (methodDef->mMethodType != methodType)
|
|
continue;
|
|
|
|
if (methodDef->mCheckedKind == checkedKind)
|
|
{
|
|
matchedMethod = methodDef;
|
|
break;
|
|
}
|
|
if ((checkedKind == BfCheckedKind_NotSet) && (methodDef->mCheckedKind == mModule->GetDefaultCheckedKind()))
|
|
matchedMethod = methodDef;
|
|
else
|
|
backupMethod = methodDef;
|
|
}
|
|
if (matchedMethod == NULL)
|
|
matchedMethod = backupMethod;
|
|
return matchedMethod;*/
|
|
}
|
|
|
|
BfModuleMethodInstance BfExprEvaluator::GetPropertyMethodInstance(BfMethodDef* methodDef)
|
|
{
|
|
if (mPropDefBypassVirtual)
|
|
{
|
|
if (mPropTarget.mType->IsInterface())
|
|
{
|
|
auto curTypeInst = mPropTarget.mType->ToTypeInstance();
|
|
if (mModule->TypeIsSubTypeOf(mModule->mCurTypeInstance, curTypeInst))
|
|
{
|
|
if (methodDef->mBody != NULL)
|
|
{
|
|
// This is an explicit call to a default static interface method. We pull the methodDef into our own concrete type.
|
|
mPropTarget = mModule->GetThis();
|
|
return mModule->GetMethodInstance(mModule->mCurTypeInstance, methodDef, BfTypeVector(), BfGetMethodInstanceFlag_ForeignMethodDef, curTypeInst);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail("Property is not implemented by this type", mPropSrc);
|
|
return BfModuleMethodInstance();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
auto propTypeInst = mPropTarget.mType->ToTypeInstance();
|
|
mModule->PopulateType(propTypeInst, BfPopulateType_DataAndMethods);
|
|
auto rawMethodInstance = mModule->GetRawMethodInstance(propTypeInst, methodDef);
|
|
|
|
if (rawMethodInstance->mVirtualTableIdx == -1)
|
|
{
|
|
if (!mModule->mCompiler->mIsResolveOnly)
|
|
{
|
|
// ResolveOnly does not force methods to slot
|
|
BF_ASSERT(rawMethodInstance->mVirtualTableIdx != -1);
|
|
mModule->Fail(StrFormat("Failed to devirtualize %s", mModule->MethodToString(rawMethodInstance).c_str()));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
auto useTypeInst = mOrigPropTarget.mType->ToTypeInstance();
|
|
auto virtualMethod = (BfMethodInstance*)useTypeInst->mVirtualMethodTable[rawMethodInstance->mVirtualTableIdx].mImplementingMethod;
|
|
return mModule->ReferenceExternalMethodInstance(virtualMethod);
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((mOrigPropTarget) && (mOrigPropTarget.mType != mPropTarget.mType) &&
|
|
((!mOrigPropTarget.mType->IsGenericParam()) && (mPropTarget.mType->IsInterface())))
|
|
{
|
|
auto checkType = mOrigPropTarget.mType;
|
|
|
|
if ((checkType->IsNullable()) && (!mPropTarget.mType->IsNullable()))
|
|
checkType = checkType->GetUnderlyingType();
|
|
if (checkType->IsPointer())
|
|
checkType = ((BfPointerType*)checkType)->mElementType;
|
|
if (checkType->IsWrappableType())
|
|
checkType = mModule->GetWrappedStructType(checkType);
|
|
if ((checkType != NULL) && (checkType->IsTypeInstance()))
|
|
{
|
|
auto activeTypeDef = mModule->GetActiveTypeDef(NULL, false, true);
|
|
BfTypeInterfaceEntry* bestIFaceEntry = NULL;
|
|
|
|
bool checkedUnderlying = false;
|
|
auto checkTypeInst = checkType->ToTypeInstance();
|
|
while (checkTypeInst != NULL)
|
|
{
|
|
mModule->PopulateType(checkTypeInst, BfPopulateType_DataAndMethods);
|
|
BF_ASSERT((checkTypeInst->mDefineState >= BfTypeDefineState_DefinedAndMethodsSlotted) || (mModule->mCompiler->IsAutocomplete()));
|
|
|
|
if (checkTypeInst->mDefineState != BfTypeDefineState_DefinedAndMethodsSlotted)
|
|
break;
|
|
|
|
for (auto& iface : checkTypeInst->mInterfaces)
|
|
{
|
|
if (!mModule->IsInSpecializedSection())
|
|
{
|
|
if (!checkTypeInst->IsTypeMemberAccessible(iface.mDeclaringType, activeTypeDef))
|
|
continue;
|
|
}
|
|
|
|
if (iface.mInterfaceType == mPropTarget.mType)
|
|
{
|
|
if (bestIFaceEntry == NULL)
|
|
{
|
|
bestIFaceEntry = &iface;
|
|
continue;
|
|
}
|
|
|
|
bool isBetter;
|
|
bool isWorse;
|
|
mModule->CompareDeclTypes(NULL, iface.mDeclaringType, bestIFaceEntry->mDeclaringType, isBetter, isWorse);
|
|
if (isBetter == isWorse)
|
|
{
|
|
// Failed
|
|
}
|
|
else
|
|
{
|
|
if (isBetter)
|
|
bestIFaceEntry = &iface;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bestIFaceEntry != NULL)
|
|
break;
|
|
checkTypeInst = checkTypeInst->mBaseType;
|
|
|
|
if (checkTypeInst == NULL)
|
|
{
|
|
if (!checkedUnderlying)
|
|
{
|
|
checkedUnderlying = true;
|
|
if (checkType->HasWrappedRepresentation())
|
|
{
|
|
auto underlyingType = checkType->GetUnderlyingType();
|
|
if (underlyingType != NULL)
|
|
checkTypeInst = mModule->GetWrappedStructType(underlyingType);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bestIFaceEntry != NULL)
|
|
{
|
|
auto ifaceMethodEntry = checkTypeInst->mInterfaceMethodTable[bestIFaceEntry->mStartInterfaceTableIdx + methodDef->mIdx];
|
|
BfMethodInstance* bestMethodInstance = ifaceMethodEntry.mMethodRef;
|
|
if (bestMethodInstance != NULL)
|
|
{
|
|
mPropTarget = mOrigPropTarget;
|
|
//mPropTarget.mType = checkTypeInst;
|
|
//mPropTarget = mModule->Cast( mOrigPropTarget, checkTypeInst);
|
|
return mModule->GetMethodInstanceAtIdx(ifaceMethodEntry.mMethodRef.mTypeInstance, ifaceMethodEntry.mMethodRef.mMethodNum);
|
|
}
|
|
}
|
|
}
|
|
|
|
mModule->AssertErrorState();
|
|
return BfModuleMethodInstance();
|
|
}
|
|
|
|
auto propTypeInst = mPropTarget.mType->ToTypeInstance();
|
|
|
|
if (propTypeInst == NULL)
|
|
{
|
|
propTypeInst = mModule->GetWrappedStructType(mPropTarget.mType);
|
|
}
|
|
|
|
if (propTypeInst == NULL)
|
|
{
|
|
mModule->Fail("INTERNAL ERROR: Invalid property target", mPropSrc);
|
|
return BfModuleMethodInstance();
|
|
}
|
|
|
|
BF_ASSERT(propTypeInst->mTypeDef->mFullNameEx == methodDef->mDeclaringType->mFullNameEx);
|
|
|
|
return mModule->GetMethodInstance(propTypeInst, methodDef, BfTypeVector(), mPropGetMethodFlags);
|
|
}
|
|
|
|
void BfExprEvaluator::CheckPropFail(BfMethodDef* propMethodDef, BfMethodInstance* methodInstance, bool checkProt)
|
|
{
|
|
auto propTypeInst = mPropTarget.mType->ToTypeInstance();
|
|
// If mExplicitInterface is null then we are implicitly calling through an interface
|
|
if ((checkProt) && (propTypeInst != NULL) && (methodInstance->GetExplicitInterface() == NULL) &&
|
|
(!mModule->CheckAccessMemberProtection(propMethodDef->mProtection, propTypeInst)))
|
|
mModule->Fail(StrFormat("'%s' is inaccessible due to its protection level", mModule->MethodToString(methodInstance).c_str()), mPropSrc);
|
|
else if (mPropCheckedKind != methodInstance->mMethodDef->mCheckedKind)
|
|
{
|
|
bool passes = true;
|
|
if (mPropCheckedKind != BfCheckedKind_NotSet)
|
|
{
|
|
passes = false;
|
|
}
|
|
else
|
|
{
|
|
auto defaultCheckedKind = mModule->GetDefaultCheckedKind();
|
|
if (defaultCheckedKind != methodInstance->mMethodDef->mCheckedKind)
|
|
passes = false;
|
|
}
|
|
if (!passes)
|
|
{
|
|
auto error = mModule->Fail(StrFormat("'%s' cannot be used because its 'checked' specifier does not match the requested specifier", mModule->MethodToString(methodInstance).c_str()), mPropSrc);
|
|
if (error != NULL)
|
|
{
|
|
if ((error != NULL) && (methodInstance->mMethodDef->mMethodDeclaration != NULL))
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), methodInstance->mMethodDef->GetRefNode());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool BfExprEvaluator::HasResult()
|
|
{
|
|
return (mResult) || (mPropDef != NULL);
|
|
}
|
|
|
|
BfTypedValue BfExprEvaluator::GetResult(bool clearResult, bool resolveGenericType)
|
|
{
|
|
if ((!mResult) && (mPropDef != NULL))
|
|
{
|
|
bool handled = false;
|
|
if (mPropTarget.mType->IsGenericTypeInstance())
|
|
{
|
|
auto genericTypeInst = (BfTypeInstance*)mPropTarget.mType;
|
|
if (genericTypeInst->IsInstanceOf(mModule->mCompiler->mSizedArrayTypeDef))
|
|
{
|
|
if (mPropDef->mName == "Count")
|
|
{
|
|
auto sizedType = genericTypeInst->mGenericTypeInfo->mTypeGenericArguments[1];
|
|
if (sizedType->IsConstExprValue())
|
|
{
|
|
auto constExprType = (BfConstExprValueType*)sizedType;
|
|
mResult = BfTypedValue(mModule->GetConstValue(constExprType->mValue.mInt64), mModule->GetPrimitiveType(BfTypeCode_IntPtr));
|
|
handled = true;
|
|
}
|
|
else
|
|
{
|
|
BF_ASSERT(mModule->mCurMethodInstance->mIsUnspecialized);
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->GetUndefConstValue(mModule->mBfIRBuilder->GetPrimitiveType(BfTypeCode_IntPtr)), mModule->GetPrimitiveType(BfTypeCode_IntPtr));
|
|
handled = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!handled)
|
|
{
|
|
SetAndRestoreValue<BfFunctionBindResult*> prevFunctionBindResult(mFunctionBindResult, NULL);
|
|
SetAndRestoreValue<BfAstNode*> prevDeferCallRef(mDeferCallRef, NULL);
|
|
|
|
BfMethodDef* matchedMethod = GetPropertyMethodDef(mPropDef, BfMethodType_PropertyGetter, mPropCheckedKind, mPropTarget);
|
|
if (matchedMethod == NULL)
|
|
{
|
|
mModule->Fail("Property has no getter", mPropSrc);
|
|
return mResult;
|
|
}
|
|
|
|
auto methodInstance = GetPropertyMethodInstance(matchedMethod);
|
|
if (methodInstance.mMethodInstance == NULL)
|
|
return mResult;
|
|
BF_ASSERT(methodInstance.mMethodInstance->mMethodDef->mName == matchedMethod->mName);
|
|
if (!mModule->mBfIRBuilder->mIgnoreWrites)
|
|
{
|
|
BF_ASSERT(!methodInstance.mFunc.IsFake());
|
|
}
|
|
|
|
if (mPropSrc != NULL)
|
|
mModule->UpdateExprSrcPos(mPropSrc);
|
|
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(mPropSrc)) && (autoComplete->mResolveType == BfResolveType_GetResultString))
|
|
{
|
|
autoComplete->mResultString = ":";
|
|
autoComplete->mResultString += mModule->TypeToString(methodInstance.mMethodInstance->mReturnType);
|
|
autoComplete->mResultString += " ";
|
|
autoComplete->mResultString += mModule->TypeToString(methodInstance.mMethodInstance->GetOwner());
|
|
autoComplete->mResultString += ".";
|
|
autoComplete->mResultString += mPropDef->mName;
|
|
}
|
|
|
|
CheckPropFail(matchedMethod, methodInstance.mMethodInstance, (mPropGetMethodFlags & BfGetMethodInstanceFlag_Friend) == 0);
|
|
PerformCallChecks(methodInstance.mMethodInstance, mPropSrc);
|
|
|
|
if (methodInstance.mMethodInstance->IsSkipCall())
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(methodInstance.mMethodInstance->mReturnType);
|
|
}
|
|
else
|
|
{
|
|
SizedArray<BfIRValue, 4> args;
|
|
if (!matchedMethod->mIsStatic)
|
|
{
|
|
auto owner = methodInstance.mMethodInstance->GetOwner();
|
|
|
|
bool isTypeMatch = mPropTarget.mType == owner;
|
|
if (owner->IsTypedPrimitive())
|
|
isTypeMatch |= mPropTarget.mType == owner->GetUnderlyingType();
|
|
|
|
if ((!isTypeMatch) ||
|
|
((mPropTarget.mValue.IsFake()) && (!mOrigPropTarget.mValue.IsFake())))
|
|
{
|
|
auto prevPropTarget = mPropTarget;
|
|
|
|
mPropTarget = mModule->Cast(mPropSrc, mOrigPropTarget, owner);
|
|
|
|
if (!mPropTarget)
|
|
{
|
|
mModule->Fail("Internal property error", mPropSrc);
|
|
return BfTypedValue();
|
|
}
|
|
}
|
|
|
|
if ((mPropGetMethodFlags & BfGetMethodInstanceFlag_DisableObjectAccessChecks) == 0)
|
|
mModule->EmitObjectAccessCheck(mPropTarget);
|
|
}
|
|
|
|
auto callFlags = mPropDefBypassVirtual ? BfCreateCallFlags_BypassVirtual : BfCreateCallFlags_None;
|
|
mResult = CreateCall(mPropSrc, mPropTarget, mOrigPropTarget, matchedMethod, methodInstance, callFlags, mIndexerValues, NULL);
|
|
}
|
|
}
|
|
|
|
mPropDef = NULL;
|
|
mPropDefBypassVirtual = false;
|
|
mIndexerValues.clear();
|
|
mResultLocalVar = NULL;
|
|
mResultFieldInstance = NULL;
|
|
}
|
|
if (resolveGenericType)
|
|
ResolveGenericType();
|
|
BfTypedValue result = mResult;
|
|
if (clearResult)
|
|
mResult = BfTypedValue();
|
|
return result;
|
|
}
|
|
|
|
void BfExprEvaluator::CheckResultForReading(BfTypedValue& typedValue)
|
|
{
|
|
if (mModule->mCurMethodState == NULL)
|
|
return;
|
|
if ((mModule->mCurMethodState->mTempKind != BfMethodState::TempKind_None) || (mModule->mCurMethodState->mAllowUinitReads))
|
|
return;
|
|
|
|
if ((mModule->mCurTypeInstance->mResolvingVarField) || (mModule->mCurTypeInstance->mResolvingConstField))
|
|
return;
|
|
|
|
if ((typedValue) && (typedValue.IsAddr()))
|
|
{
|
|
if ((mResultLocalVar != NULL) && (mResultLocalVarRefNode != NULL))
|
|
{
|
|
SetAndRestoreValue<bool> prevIgnoreError(mModule->mIgnoreErrors);
|
|
|
|
if ((mModule->mCurMethodState->mClosureState != NULL) && (mModule->mCurMethodState->mClosureState->mCapturing))
|
|
{
|
|
// These errors can only be detected during capture time, so we don't ignore them on this pass
|
|
mModule->mIgnoreErrors = false;
|
|
}
|
|
|
|
int fieldIdx = mResultLocalVarField - 1;
|
|
|
|
auto localVar = mResultLocalVar;
|
|
if (localVar->mCompositeCount > 0)
|
|
{
|
|
mModule->Fail(StrFormat("Cannot read from composite '%s', it can only be used in an argument list", localVar->mName.c_str()), mResultLocalVarRefNode);
|
|
typedValue = BfTypedValue();
|
|
return;
|
|
}
|
|
|
|
if (localVar->mAssignedKind == BfLocalVarAssignKind_None)
|
|
{
|
|
mModule->TryLocalVariableInit(localVar);
|
|
}
|
|
|
|
if (localVar->mAssignedKind == BfLocalVarAssignKind_None)
|
|
{
|
|
auto methodStateForLocal = mModule->mCurMethodState->GetMethodStateForLocal(localVar);
|
|
|
|
bool isAssigned = false;
|
|
int64 undefinedFieldFlags = localVar->mUnassignedFieldFlags;
|
|
auto deferredLocalAssignData = methodStateForLocal->mDeferredLocalAssignData;
|
|
while ((deferredLocalAssignData != NULL) && (deferredLocalAssignData->mIsChained))
|
|
deferredLocalAssignData = deferredLocalAssignData->mChainedAssignData;
|
|
|
|
if (deferredLocalAssignData != NULL)
|
|
{
|
|
for (auto& assignedVar : deferredLocalAssignData->mAssignedLocals)
|
|
{
|
|
auto assignedLocal = assignedVar.mLocalVar;
|
|
if (assignedLocal == localVar)
|
|
{
|
|
int assignedFieldIdx = assignedVar.mLocalVarField;
|
|
if (assignedFieldIdx >= 0)
|
|
undefinedFieldFlags &= ~((int64)1 << assignedFieldIdx);
|
|
else
|
|
undefinedFieldFlags = 0;
|
|
}
|
|
}
|
|
if (deferredLocalAssignData->mLeftBlockUncond)
|
|
isAssigned = true;
|
|
}
|
|
|
|
if (fieldIdx == -1)
|
|
{
|
|
if (undefinedFieldFlags == 0)
|
|
isAssigned = true;
|
|
}
|
|
else
|
|
{
|
|
isAssigned = true;
|
|
for (int i = 0; i < mResultLocalVarFieldCount; i++)
|
|
if ((undefinedFieldFlags & (1LL << (fieldIdx + i))) != 0)
|
|
isAssigned = false;
|
|
}
|
|
|
|
if (!isAssigned)
|
|
{
|
|
if ((localVar->mIsThis) && (fieldIdx != -1))
|
|
{
|
|
// When we have initializers for fields, they won't all be processed in the autocomplte case
|
|
if (!mModule->mCompiler->IsAutocomplete())
|
|
{
|
|
auto bfError = mModule->Fail(StrFormat("Use of possibly unassigned field '%s'", mResultLocalVarRefNode->ToString().c_str()), mResultLocalVarRefNode, true);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail(StrFormat("Use of unassigned local variable '%s'", localVar->mName.c_str()), mResultLocalVarRefNode);
|
|
}
|
|
}
|
|
}
|
|
localVar->mReadFromId = mModule->mCurMethodState->GetRootMethodState()->mCurAccessId++;
|
|
}
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::FinishExpressionResult()
|
|
{
|
|
CheckResultForReading(mResult);
|
|
mResultLocalVar = NULL;
|
|
mResultFieldInstance = NULL;
|
|
}
|
|
|
|
bool BfExprEvaluator::CheckAllowValue(const BfTypedValue& typedValue, BfAstNode* refNode)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
void BfExprEvaluator::MarkResultUsed()
|
|
{
|
|
if (mResultLocalVar != NULL)
|
|
{
|
|
mResultLocalVar->mReadFromId = mModule->mCurMethodState->GetRootMethodState()->mCurAccessId++;
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::MarkResultAssigned()
|
|
{
|
|
if (mResultLocalVar != NULL)
|
|
{
|
|
//int localIdx = mResultLocalVarIdx;
|
|
//if (localIdx == 0x7FFF)
|
|
//return;
|
|
|
|
auto localVar = mResultLocalVar;
|
|
int fieldIdx = mResultLocalVarField - 1;
|
|
int count = mResultLocalVarFieldCount;
|
|
if (fieldIdx == -1)
|
|
count = 1;
|
|
for (int i = 0; i < count; i++)
|
|
mModule->mCurMethodState->GetMethodStateForLocal(localVar)->LocalDefined(localVar, fieldIdx + i);
|
|
|
|
//if (localIdx != 0x7FFF)
|
|
{
|
|
if (localVar->mCompositeCount > 0)
|
|
{
|
|
mModule->Fail(StrFormat("Cannot write to composite '%s', it can only be used in an argument list", localVar->mName.c_str()), mResultLocalVarRefNode);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::MakeResultAsValue()
|
|
{
|
|
// Expressions like parens will turn a variable reference into a simple value
|
|
mResultLocalVar = NULL;
|
|
mResultFieldInstance = NULL;
|
|
}
|
|
|
|
bool BfExprEvaluator::CheckIsBase(BfAstNode* checkNode)
|
|
{
|
|
if (checkNode == NULL)
|
|
return false;
|
|
|
|
if (!checkNode->Equals("base"))
|
|
return false;
|
|
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(checkNode)))
|
|
{
|
|
if ((mModule->mCurTypeInstance != NULL) && (mModule->mCurTypeInstance->mBaseType != NULL))
|
|
autoComplete->SetDefinitionLocation(mModule->mCurTypeInstance->mBaseType->mTypeDef->GetRefNode());
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool BfExprEvaluator::CheckModifyResult(BfTypedValue& typedVal, BfAstNode* refNode, const char* modifyType, bool onlyNeedsMut, bool emitWarning, bool skipCopyOnMutate)
|
|
{
|
|
BfLocalVariable* localVar = NULL;
|
|
bool isCapturedLocal = false;
|
|
if (mResultLocalVar != NULL)
|
|
{
|
|
localVar = mResultLocalVar;
|
|
localVar->mWrittenToId = mModule->mCurMethodState->GetRootMethodState()->mCurAccessId++;
|
|
}
|
|
else if (typedVal.IsThis())
|
|
{
|
|
localVar = mModule->GetThisVariable();
|
|
}
|
|
else if (typedVal.IsSplat())
|
|
{
|
|
for (auto checkLocal : mModule->mCurMethodState->mLocals)
|
|
{
|
|
if (checkLocal->mAddr == typedVal.mValue)
|
|
{
|
|
localVar = checkLocal;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else if (typedVal.mValue.IsArg())
|
|
{
|
|
auto methodState = mModule->mCurMethodState->GetNonCaptureState();
|
|
localVar = methodState->mLocals[typedVal.mValue.mId];
|
|
}
|
|
|
|
if ((typedVal.mKind == BfTypedValueKind_MutableValue) && (onlyNeedsMut))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
bool canModify = typedVal.CanModify();
|
|
if (((typedVal.mKind == BfTypedValueKind_TempAddr) || (typedVal.mKind == BfTypedValueKind_CopyOnMutateAddr_Derived)) &&
|
|
(strcmp(modifyType, "assign to") == 0))
|
|
mModule->Warn(0, "Assigning to temporary copy of a value. Consider using 'ref' in value source declaration.", refNode);
|
|
|
|
auto _Fail = [&](const StringImpl& error, BfAstNode* refNode)
|
|
{
|
|
if (emitWarning)
|
|
return mModule->Warn(BfWarning_BF4204_AddressOfReadOnly, error, refNode);
|
|
else
|
|
return mModule->Fail(error, refNode);
|
|
};
|
|
|
|
if (localVar != NULL)
|
|
{
|
|
if (!canModify)
|
|
{
|
|
BfError* error = NULL;
|
|
if (localVar->mIsThis)
|
|
{
|
|
bool isClosure = false;
|
|
BfTypeInstance* checkTypeInst = localVar->mResolvedType->ToTypeInstance();
|
|
|
|
int fieldIdx = mResultLocalVarField - 1;
|
|
if ((!isCapturedLocal) && (mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mClosureState != NULL) && (mModule->mCurMethodState->mClosureState->mClosureType != NULL))
|
|
{
|
|
isClosure = true;
|
|
auto closureThis = mModule->mCurMethodState->mClosureState->mClosureType;
|
|
closureThis = checkTypeInst->mFieldInstances[0].mResolvedType->ToTypeInstance();
|
|
|
|
if (fieldIdx >= -1)
|
|
{
|
|
checkTypeInst = closureThis;
|
|
}
|
|
else
|
|
{
|
|
fieldIdx = -fieldIdx - 2;
|
|
isCapturedLocal = true;
|
|
}
|
|
}
|
|
|
|
if (fieldIdx < 0)
|
|
{
|
|
if (isClosure)
|
|
{
|
|
if (!mModule->mCurMethodState->mClosureState->mDeclaringMethodIsMutating)
|
|
error = _Fail(StrFormat("Cannot %s 'this' within struct lambda. Consider adding 'mut' specifier to this method.", modifyType), refNode);
|
|
else
|
|
error = _Fail(StrFormat("Cannot %s 'this' within struct lambda. Consider adding by-reference capture specifier [&] to lambda.", modifyType), refNode);
|
|
}
|
|
else if (localVar->mResolvedType->IsValueType())
|
|
{
|
|
error = _Fail(StrFormat("Cannot %s 'this' within struct method '%s'. Consider adding 'mut' specifier to this method.", modifyType,
|
|
mModule->MethodToString(mModule->mCurMethodInstance).c_str()), refNode);
|
|
}
|
|
else
|
|
{
|
|
error = _Fail(StrFormat("Cannot %s 'this' because '%s' is a reference type.", modifyType,
|
|
mModule->TypeToString(localVar->mResolvedType).c_str()), refNode);
|
|
}
|
|
return false;
|
|
}
|
|
else if (mResultFieldInstance != NULL)
|
|
{
|
|
if (isCapturedLocal)
|
|
{
|
|
error = _Fail(StrFormat("Cannot %s read-only captured local variable '%s'. Consider adding by-reference capture specifier [&] to lambda and ensuring that captured value is not read-only.", modifyType,
|
|
mResultFieldInstance->GetFieldDef()->mName.c_str()), refNode);
|
|
}
|
|
else if (isClosure)
|
|
{
|
|
if (!mModule->mCurMethodState->mClosureState->mDeclaringMethodIsMutating)
|
|
error = _Fail(StrFormat("Cannot %s field '%s.%s' within struct lambda. Consider adding 'mut' specifier to this method.", modifyType,
|
|
mModule->TypeToString(mResultFieldInstance->mOwner).c_str(), mResultFieldInstance->GetFieldDef()->mName.c_str()), refNode);
|
|
else
|
|
error = _Fail(StrFormat("Cannot %s field '%s.%s' within struct lambda. Consider adding by-reference capture specifier [&] to lambda.", modifyType,
|
|
mModule->TypeToString(mResultFieldInstance->mOwner).c_str(), mResultFieldInstance->GetFieldDef()->mName.c_str()), refNode);
|
|
}
|
|
else if (mResultFieldInstance->GetFieldDef()->mIsReadOnly)
|
|
{
|
|
error = _Fail(StrFormat("Cannot %s readonly field '%s.%s' within method '%s'", modifyType,
|
|
mModule->TypeToString(mResultFieldInstance->mOwner).c_str(), mResultFieldInstance->GetFieldDef()->mName.c_str(),
|
|
mModule->MethodToString(mModule->mCurMethodInstance).c_str()), refNode);
|
|
}
|
|
else if (auto propertyDeclaration = BfNodeDynCast<BfPropertyDeclaration>(mResultFieldInstance->GetFieldDef()->mFieldDeclaration))
|
|
{
|
|
String propNam;
|
|
if (propertyDeclaration->mNameNode != NULL)
|
|
propertyDeclaration->mNameNode->ToString(propNam);
|
|
|
|
error = _Fail(StrFormat("Cannot %s auto-implemented property '%s.%s' without set accessor", modifyType,
|
|
mModule->TypeToString(mResultFieldInstance->mOwner).c_str(), propNam.c_str()), refNode);
|
|
}
|
|
else
|
|
{
|
|
error = _Fail(StrFormat("Cannot %s field '%s.%s' within struct method '%s'. Consider adding 'mut' specifier to this method.", modifyType,
|
|
mModule->TypeToString(mResultFieldInstance->mOwner).c_str(), mResultFieldInstance->GetFieldDef()->mName.c_str(),
|
|
mModule->MethodToString(mModule->mCurMethodInstance).c_str()), refNode);
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
else if (localVar->IsParam())
|
|
{
|
|
if (!mModule->mCurMethodInstance->IsMixin())
|
|
{
|
|
if (mModule->mCurMethodState->mMixinState != NULL)
|
|
{
|
|
error = _Fail(StrFormat("Cannot %s mixin parameter '%s'", modifyType,
|
|
localVar->mName.c_str()), refNode);
|
|
}
|
|
else if ((onlyNeedsMut) && (localVar->mResolvedType != NULL) && (localVar->mResolvedType->IsGenericParam()))
|
|
{
|
|
if (emitWarning)
|
|
error = _Fail(StrFormat("The address of '%s' may be temporary or immutable. Consider adding 'mut' or 'ref' specifier to parameter or declaring 'var %s;' to create a mutable copy.",
|
|
localVar->mName.c_str(), localVar->mName.c_str()), refNode);
|
|
else
|
|
error = _Fail(StrFormat("Cannot %s parameter '%s'. Consider adding 'mut' or 'ref' specifier to parameter or declaring 'var %s;' to create a mutable copy.", modifyType,
|
|
localVar->mName.c_str(), localVar->mName.c_str()), refNode);
|
|
}
|
|
else
|
|
{
|
|
if (emitWarning)
|
|
error = _Fail(StrFormat("The address of '%s' may be temporary or immutable. Consider adding 'ref' specifier to parameter or declaring 'var %s;' to create a mutable copy.",
|
|
localVar->mName.c_str(), localVar->mName.c_str()), refNode);
|
|
else
|
|
error = _Fail(StrFormat("Cannot %s parameter '%s'. Consider adding 'ref' specifier to parameter or declaring 'var %s;' to create a mutable copy.", modifyType,
|
|
localVar->mName.c_str(), localVar->mName.c_str()), refNode);
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ((mResultLocalVarField != 0) && (!localVar->mIsReadOnly))
|
|
{
|
|
auto typeInst = localVar->mResolvedType->ToTypeInstance();
|
|
int dataIdx = mResultLocalVarField - 1;
|
|
if (typeInst != NULL)
|
|
{
|
|
for (auto& field : typeInst->mFieldInstances)
|
|
{
|
|
if (field.mDataIdx == dataIdx)
|
|
{
|
|
error = _Fail(StrFormat("Cannot %s readonly field '%s.%s'.", modifyType,
|
|
mModule->TypeToString(typeInst).c_str(),
|
|
field.GetFieldDef()->mName.c_str()), refNode);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (error == NULL)
|
|
{
|
|
error = _Fail(StrFormat("Cannot %s read-only local variable '%s'.", modifyType,
|
|
localVar->mName.c_str()), refNode);
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// When we are capturing, we need to note that we require capturing by reference here
|
|
localVar->mWrittenToId = mModule->mCurMethodState->GetRootMethodState()->mCurAccessId++;
|
|
}
|
|
}
|
|
|
|
if ((mResultFieldInstance != NULL) && (mResultFieldInstance->GetFieldDef()->mIsReadOnly) && (!canModify))
|
|
{
|
|
auto error = _Fail(StrFormat("Cannot %s static readonly field '%s.%s' within method '%s'", modifyType,
|
|
mModule->TypeToString(mResultFieldInstance->mOwner).c_str(), mResultFieldInstance->GetFieldDef()->mName.c_str(),
|
|
mModule->MethodToString(mModule->mCurMethodInstance).c_str()), refNode);
|
|
|
|
return false;
|
|
}
|
|
|
|
if ((!skipCopyOnMutate) && (typedVal.IsCopyOnMutate()))
|
|
typedVal = mModule->CopyValue(typedVal);
|
|
|
|
return mModule->CheckModifyValue(typedVal, refNode, modifyType);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfConditionalExpression* condExpr)
|
|
{
|
|
static int sCallCount = 0;
|
|
sCallCount++;
|
|
|
|
auto condResult = mModule->CreateValueFromExpression(condExpr->mConditionExpression, mModule->GetPrimitiveType(BfTypeCode_Boolean), (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
|
|
if (!condResult)
|
|
return;
|
|
|
|
if (condExpr->mTrueExpression == NULL)
|
|
{
|
|
mModule->AssertErrorState();
|
|
return;
|
|
}
|
|
|
|
if (condExpr->mFalseExpression == NULL)
|
|
{
|
|
mModule->CreateValueFromExpression(condExpr->mTrueExpression, mExpectingType, BfEvalExprFlags_NoCast);
|
|
mModule->AssertErrorState();
|
|
return;
|
|
}
|
|
|
|
bool isConstBranch = false;
|
|
bool constResult = false;
|
|
bool constResultUndef = false;
|
|
if (condResult.mValue.IsConst())
|
|
{
|
|
auto constValue = mModule->mBfIRBuilder->GetConstant(condResult.mValue);
|
|
if (constValue->mTypeCode == BfTypeCode_Boolean)
|
|
{
|
|
isConstBranch = true;
|
|
constResult = constValue->mBool;
|
|
}
|
|
else if (constValue->mConstType == BfConstType_Undef)
|
|
{
|
|
isConstBranch = true;
|
|
constResultUndef = true;
|
|
}
|
|
}
|
|
|
|
if (isConstBranch)
|
|
{
|
|
BfExpression* actualExpr = (constResult) ? condExpr->mTrueExpression : condExpr->mFalseExpression;
|
|
BfExpression* ignoredExpr = (constResult) ? condExpr->mFalseExpression : condExpr->mTrueExpression;
|
|
|
|
BfTypedValue actualValue = mModule->CreateValueFromExpression(actualExpr, mExpectingType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast));
|
|
BfTypedValue ignoredValue;
|
|
//
|
|
{
|
|
auto curBlock = mModule->mBfIRBuilder->GetInsertBlock();
|
|
SetAndRestoreValue<bool> ignoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
|
|
SetAndRestoreValue<bool> prevInConstIgnore(mModule->mCurMethodState->mCurScope->mInConstIgnore, true);
|
|
ignoredValue = mModule->CreateValueFromExpression(ignoredExpr, mExpectingType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast));
|
|
mModule->mBfIRBuilder->SetInsertPoint(curBlock);
|
|
}
|
|
|
|
if (!actualValue)
|
|
return;
|
|
if ((ignoredValue) && (ignoredValue.mType != actualValue.mType) && (!ignoredValue.mType->IsVar()))
|
|
{
|
|
// Cast to more specific 'ignored' type if applicable
|
|
if (mModule->CanCast(actualValue, ignoredValue.mType))
|
|
{
|
|
actualValue = mModule->Cast(actualExpr, actualValue, ignoredValue.mType);
|
|
}
|
|
else if (!mModule->CanCast(ignoredValue, actualValue.mType))
|
|
{
|
|
mModule->Fail(StrFormat("Type of conditional expression cannot be determined because there is no implicit conversion between '%s' and '%s'",
|
|
mModule->TypeToString(actualValue.mType).c_str(), mModule->TypeToString(ignoredValue.mType).c_str()), condExpr);
|
|
}
|
|
}
|
|
mResult = actualValue;
|
|
|
|
if (constResultUndef)
|
|
mResult = mModule->GetDefaultTypedValue(mResult.mType, false, BfDefaultValueKind_Undef);
|
|
|
|
return;
|
|
}
|
|
|
|
auto trueBB = mModule->mBfIRBuilder->CreateBlock("cond.then");
|
|
auto falseBB = mModule->mBfIRBuilder->CreateBlock("cond.else");
|
|
auto endBB = mModule->mBfIRBuilder->CreateBlock("cond.end");
|
|
auto contBB = mModule->mBfIRBuilder->CreateBlock("cond.cont");
|
|
|
|
mModule->mBfIRBuilder->CreateCondBr(condResult.mValue, trueBB, falseBB);
|
|
|
|
SetAndRestoreValue<bool> prevInCondBlock(mModule->mCurMethodState->mCurScope->mInnerIsConditional, true);
|
|
|
|
bool wantExpectingCast = (mExpectingType != NULL) && ((mBfEvalExprFlags & BfEvalExprFlags_NoCast) == 0);
|
|
|
|
mModule->AddBasicBlock(trueBB);
|
|
auto trueValue = mModule->CreateValueFromExpression(condExpr->mTrueExpression, mExpectingType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_CreateConditionalScope));
|
|
if ((wantExpectingCast) && (trueValue) && (trueValue.mType != mExpectingType))
|
|
{
|
|
// In some cases like typed primitives - we CAN individually cast each value which it's a constant still, but not after the merging
|
|
// IE: Color c = isOver ? 0xFF000000 : 0xFFFFFFFF;
|
|
// Otherwise the resulting value would just be 'int' which cannot implicitly convert to Color, but each of those ints can be
|
|
// a uint32 if converted separately
|
|
auto checkTrueValue = mModule->Cast(condExpr->mTrueExpression, trueValue, mExpectingType, BfCastFlags_SilentFail);
|
|
if (checkTrueValue)
|
|
trueValue = checkTrueValue;
|
|
mModule->FixIntUnknown(trueValue);
|
|
}
|
|
auto trueBlockPos = mModule->mBfIRBuilder->GetInsertBlock();
|
|
|
|
mModule->AddBasicBlock(falseBB);
|
|
auto falseValue = mModule->CreateValueFromExpression(condExpr->mFalseExpression, mExpectingType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_CreateConditionalScope));
|
|
auto falseBlockPos = mModule->mBfIRBuilder->GetInsertBlock();
|
|
if ((wantExpectingCast) && (falseValue) && (falseValue.mType != mExpectingType))
|
|
{
|
|
auto checkFalseValue = mModule->Cast(condExpr->mFalseExpression, falseValue, mExpectingType, BfCastFlags_SilentFail);
|
|
if (checkFalseValue)
|
|
falseValue = checkFalseValue;
|
|
mModule->FixIntUnknown(falseValue);
|
|
}
|
|
|
|
bool isValid = trueValue && falseValue;
|
|
|
|
if (isValid)
|
|
{
|
|
BfTypedValue falseToTrue;
|
|
{
|
|
SetAndRestoreValue<bool> prevIgnoreError(mModule->mIgnoreErrors, true);
|
|
mModule->mBfIRBuilder->SetInsertPoint(falseBlockPos);
|
|
falseToTrue = mModule->Cast(condExpr->mFalseExpression, falseValue, trueValue.mType);
|
|
}
|
|
|
|
if (falseToTrue)
|
|
{
|
|
falseValue = falseToTrue;
|
|
}
|
|
else
|
|
{
|
|
BfTypedValue trueToFalse;
|
|
{
|
|
SetAndRestoreValue<bool> prevIgnoreError(mModule->mIgnoreErrors, true);
|
|
mModule->mBfIRBuilder->SetInsertPoint(trueBlockPos);
|
|
trueToFalse = mModule->Cast(condExpr->mTrueExpression, trueValue, falseValue.mType);
|
|
}
|
|
|
|
if (!trueToFalse)
|
|
{
|
|
mModule->Fail(StrFormat("Type of conditional expression cannot be determined because there is no implicit conversion between '%s' and '%s'",
|
|
mModule->TypeToString(trueValue.mType).c_str(), mModule->TypeToString(falseValue.mType).c_str()), condExpr);
|
|
//return;
|
|
isValid = false;
|
|
}
|
|
else
|
|
trueValue = trueToFalse;
|
|
}
|
|
}
|
|
|
|
prevInCondBlock.Restore();
|
|
|
|
mModule->mBfIRBuilder->SetInsertPoint(trueBlockPos);
|
|
if (isValid)
|
|
trueValue = mModule->LoadValue(trueValue);
|
|
mModule->mBfIRBuilder->CreateBr(endBB);
|
|
|
|
mModule->mBfIRBuilder->SetInsertPoint(falseBlockPos);
|
|
if (isValid)
|
|
falseValue = mModule->LoadValue(falseValue);
|
|
mModule->mBfIRBuilder->CreateBr(endBB);
|
|
|
|
mModule->AddBasicBlock(endBB, false);
|
|
if (!isValid)
|
|
return;
|
|
|
|
mModule->mBfIRBuilder->SetInsertPoint(endBB);
|
|
BfIRValue phi;
|
|
if (!trueValue.mType->IsValuelessType())
|
|
{
|
|
if (trueValue.mType->IsVar())
|
|
{
|
|
phi = mModule->mBfIRBuilder->GetFakeVal();
|
|
}
|
|
else
|
|
{
|
|
mModule->mBfIRBuilder->PopulateType(trueValue.mType);
|
|
phi = mModule->mBfIRBuilder->CreatePhi(mModule->mBfIRBuilder->MapType(trueValue.mType), 2);
|
|
mModule->mBfIRBuilder->AddPhiIncoming(phi, trueValue.mValue, trueBlockPos);
|
|
mModule->mBfIRBuilder->AddPhiIncoming(phi, falseValue.mValue, falseBlockPos);
|
|
}
|
|
}
|
|
mModule->mBfIRBuilder->CreateBr(contBB);
|
|
mModule->AddBasicBlock(contBB);
|
|
|
|
mResult = BfTypedValue(phi, trueValue.mType);
|
|
}
|
|
|
|
void BfExprEvaluator::PopulateDeferrredTupleAssignData(BfTupleExpression* tupleExpr, DeferredTupleAssignData& deferredTupleAssignData)
|
|
{
|
|
BfTypeVector fieldTypes;
|
|
Array<String> fieldNames;
|
|
|
|
// We need to evaluate each LHS tuple component in a separate BfExprEvaluator because each one
|
|
// could be a property and the 'mPropDef' target info is tied to a single evaluator
|
|
for (int valueIdx = 0; valueIdx < (int)tupleExpr->mValues.size(); valueIdx++)
|
|
{
|
|
DeferredTupleAssignData::Entry entry;
|
|
entry.mExprEvaluator = NULL;
|
|
entry.mInnerTuple = NULL;
|
|
entry.mVarType = NULL;
|
|
entry.mVarNameNode = NULL;
|
|
|
|
BfExpression* valueExpr = tupleExpr->mValues[valueIdx];
|
|
entry.mExpr = valueExpr;
|
|
BfType* fieldType = NULL;
|
|
BfType* resultType = NULL;
|
|
if (auto innerTupleExpr = BfNodeDynCast<BfTupleExpression>(valueExpr))
|
|
{
|
|
entry.mInnerTuple = new DeferredTupleAssignData();
|
|
PopulateDeferrredTupleAssignData(innerTupleExpr, *entry.mInnerTuple);
|
|
resultType = entry.mInnerTuple->mTupleType;
|
|
}
|
|
else
|
|
{
|
|
BfExprEvaluator* exprEvaluator = new BfExprEvaluator(mModule);
|
|
entry.mExprEvaluator = exprEvaluator;
|
|
|
|
if (valueExpr->IsA<BfUninitializedExpression>())
|
|
{
|
|
resultType = mModule->GetPrimitiveType(BfTypeCode_None);
|
|
}
|
|
|
|
if (auto varDecl = BfNodeDynCast<BfVariableDeclaration>(valueExpr))
|
|
{
|
|
if ((varDecl->mTypeRef->IsA<BfLetTypeReference>()) || (varDecl->mTypeRef->IsA<BfVarTypeReference>()))
|
|
{
|
|
resultType = mModule->GetPrimitiveType(BfTypeCode_Var);
|
|
}
|
|
else
|
|
{
|
|
resultType = ResolveTypeRef(varDecl->mTypeRef);
|
|
if (resultType == NULL)
|
|
resultType = mModule->GetPrimitiveType(BfTypeCode_Var);
|
|
}
|
|
entry.mVarType = resultType;
|
|
}
|
|
|
|
if (auto binOpExpr = BfNodeDynCast<BfBinaryOperatorExpression>(valueExpr))
|
|
{
|
|
if (binOpExpr->mOp == BfBinaryOp_Multiply)
|
|
{
|
|
SetAndRestoreValue<bool> prevIgnoreError(mModule->mIgnoreErrors, true);
|
|
auto resolvedType = mModule->ResolveTypeRef(binOpExpr->mLeft, NULL);
|
|
prevIgnoreError.Restore();
|
|
if (resolvedType != NULL)
|
|
{
|
|
resultType = mModule->CreatePointerType(resolvedType);
|
|
entry.mVarType = resultType;
|
|
entry.mVarNameNode = binOpExpr->mRight;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (resultType == NULL)
|
|
{
|
|
exprEvaluator->VisitChild(valueExpr);
|
|
if ((!exprEvaluator->mResult) && (exprEvaluator->mPropDef == NULL))
|
|
exprEvaluator->mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_None));
|
|
|
|
resultType = exprEvaluator->mResult.mType;
|
|
}
|
|
|
|
if ((resultType == NULL) && (exprEvaluator->mPropDef != NULL) && (exprEvaluator->mPropTarget.mType != NULL))
|
|
{
|
|
auto propTypeInst = exprEvaluator->mPropTarget.mType->ToTypeInstance();
|
|
if ((propTypeInst == NULL) && (exprEvaluator->mPropTarget.mType->IsPointer()))
|
|
{
|
|
BfPointerType* pointerType = (BfPointerType*)exprEvaluator->mPropTarget.mType;
|
|
propTypeInst = pointerType->mElementType->ToTypeInstance();
|
|
}
|
|
|
|
auto setMethod = GetPropertyMethodDef(exprEvaluator->mPropDef, BfMethodType_PropertySetter, mPropCheckedKind, mPropTarget);
|
|
if (setMethod != NULL)
|
|
{
|
|
auto methodInstance = mModule->GetMethodInstance(propTypeInst, setMethod, BfTypeVector());
|
|
resultType = methodInstance.mMethodInstance->GetParamType(0);
|
|
}
|
|
else
|
|
{
|
|
auto getMethod = GetPropertyMethodDef(exprEvaluator->mPropDef, BfMethodType_PropertyGetter, mPropCheckedKind, mPropTarget);
|
|
if (getMethod != NULL)
|
|
{
|
|
auto methodInstance = mModule->GetMethodInstance(propTypeInst, getMethod, BfTypeVector());
|
|
auto retType = methodInstance.mMethodInstance->mReturnType;
|
|
if (retType->IsRef())
|
|
resultType = retType->GetUnderlyingType();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (resultType == NULL)
|
|
resultType = mModule->GetPrimitiveType(BfTypeCode_None);
|
|
|
|
deferredTupleAssignData.mChildren.push_back(entry);
|
|
fieldTypes.push_back(resultType);
|
|
}
|
|
for (BfTupleNameNode* requestedName : tupleExpr->mNames)
|
|
{
|
|
if (requestedName == NULL)
|
|
fieldNames.push_back("");
|
|
else
|
|
fieldNames.push_back(requestedName->mNameNode->ToString());
|
|
}
|
|
|
|
BfTypeInstance* tupleType = mModule->CreateTupleType(fieldTypes, fieldNames, true);
|
|
deferredTupleAssignData.mTupleType = tupleType;
|
|
}
|
|
|
|
void BfExprEvaluator::AssignDeferrredTupleAssignData(BfAssignmentExpression* assignExpr, DeferredTupleAssignData& deferredTupleAssignData, BfTypedValue rightValue)
|
|
{
|
|
BF_ASSERT(rightValue.mType->IsTuple());
|
|
auto tupleType = (BfTypeInstance*)rightValue.mType;
|
|
for (int valueIdx = 0; valueIdx < (int)deferredTupleAssignData.mChildren.size(); valueIdx++)
|
|
{
|
|
auto& child = deferredTupleAssignData.mChildren[valueIdx];
|
|
BfFieldInstance* fieldInstance = &tupleType->mFieldInstances[valueIdx];
|
|
BfTypedValue elementValue;
|
|
if (fieldInstance->mDataIdx >= 0)
|
|
{
|
|
rightValue = mModule->LoadOrAggregateValue(rightValue);
|
|
mModule->mBfIRBuilder->PopulateType(rightValue.mType);
|
|
auto extractedValue = mModule->mBfIRBuilder->CreateExtractValue(rightValue.mValue, fieldInstance->mDataIdx);
|
|
elementValue = BfTypedValue(extractedValue, fieldInstance->GetResolvedType());
|
|
if (child.mInnerTuple != NULL)
|
|
{
|
|
AssignDeferrredTupleAssignData(assignExpr, *child.mInnerTuple, elementValue);
|
|
delete child.mInnerTuple;
|
|
child.mInnerTuple = NULL;
|
|
}
|
|
else
|
|
{
|
|
if (child.mExprEvaluator->HasResult())
|
|
{
|
|
child.mExprEvaluator->mBfEvalExprFlags = (BfEvalExprFlags)(child.mExprEvaluator->mBfEvalExprFlags | BfEvalExprFlags_NoAutoComplete);
|
|
child.mExprEvaluator->PerformAssignment(assignExpr, true, elementValue);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (child.mVarType != NULL)
|
|
{
|
|
if (auto varDecl = BfNodeDynCast<BfVariableDeclaration>(child.mExpr))
|
|
{
|
|
if (!elementValue)
|
|
elementValue = mModule->GetDefaultTypedValue(fieldInstance->GetResolvedType());
|
|
mModule->HandleVariableDeclaration(varDecl, elementValue);
|
|
}
|
|
else
|
|
{
|
|
// This handles the 'a*b' disambiguated variable decl case
|
|
mModule->HandleVariableDeclaration(child.mVarType, child.mVarNameNode, elementValue);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::DoTupleAssignment(BfAssignmentExpression* assignExpr)
|
|
{
|
|
auto tupleExpr = BfNodeDynCast<BfTupleExpression>(assignExpr->mLeft);
|
|
|
|
DeferredTupleAssignData deferredTupleAssignData;
|
|
PopulateDeferrredTupleAssignData(tupleExpr, deferredTupleAssignData);
|
|
BfTypeInstance* tupleType = deferredTupleAssignData.mTupleType;
|
|
|
|
BfTypedValue rightValue;
|
|
if (assignExpr->mRight != NULL)
|
|
{
|
|
rightValue = mModule->CreateValueFromExpression(assignExpr->mRight, tupleType);
|
|
}
|
|
if (!rightValue)
|
|
{
|
|
tupleType = mModule->SantizeTupleType(tupleType);
|
|
rightValue = mModule->GetDefaultTypedValue(tupleType);
|
|
}
|
|
rightValue = mModule->LoadValue(rightValue);
|
|
|
|
AssignDeferrredTupleAssignData(assignExpr, deferredTupleAssignData, rightValue);
|
|
|
|
mResult = rightValue;
|
|
}
|
|
|
|
BfTypedValue BfExprEvaluator::PerformAssignment_CheckOp(BfAssignmentExpression* assignExpr, bool deferBinop, BfTypedValue& leftValue, BfTypedValue& rightValue, bool& evaluatedRight)
|
|
{
|
|
BfResolvedArgs argValues;
|
|
auto checkTypeInst = leftValue.mType->ToTypeInstance();
|
|
while (checkTypeInst != NULL)
|
|
{
|
|
for (auto operatorDef : checkTypeInst->mTypeDef->mOperators)
|
|
{
|
|
if (operatorDef->mOperatorDeclaration->mAssignOp != assignExpr->mOp)
|
|
continue;
|
|
|
|
auto methodInst = mModule->GetRawMethodInstanceAtIdx(checkTypeInst, operatorDef->mIdx);
|
|
if (methodInst == NULL)
|
|
continue;
|
|
if (methodInst->GetParamCount() != 1)
|
|
continue;
|
|
|
|
auto paramType = methodInst->GetParamType(0);
|
|
if (deferBinop)
|
|
{
|
|
if (argValues.mArguments == NULL)
|
|
{
|
|
SizedArray<BfExpression*, 2> argExprs;
|
|
argExprs.push_back(assignExpr->mRight);
|
|
BfSizedArray<BfExpression*> sizedArgExprs(argExprs);
|
|
argValues.Init(&sizedArgExprs);
|
|
ResolveArgValues(argValues, BfResolveArgsFlag_DeferParamEval);
|
|
}
|
|
|
|
evaluatedRight = true;
|
|
rightValue = ResolveArgValue(argValues.mResolvedArgs[0], paramType);
|
|
if (!rightValue)
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
if (!mModule->CanCast(rightValue, paramType))
|
|
continue;
|
|
|
|
rightValue = mModule->Cast(assignExpr->mLeft, rightValue, paramType);
|
|
BF_ASSERT(rightValue);
|
|
}
|
|
|
|
mModule->SetElementType(assignExpr->mOpToken, BfSourceElementType_Method);
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(assignExpr->mOpToken)))
|
|
{
|
|
if (operatorDef->mOperatorDeclaration != NULL)
|
|
autoComplete->SetDefinitionLocation(operatorDef->mOperatorDeclaration->mOpTypeToken);
|
|
}
|
|
|
|
auto moduleMethodInstance = mModule->GetMethodInstance(checkTypeInst, operatorDef, BfTypeVector());
|
|
|
|
BfExprEvaluator exprEvaluator(mModule);
|
|
SizedArray<BfIRValue, 1> args;
|
|
exprEvaluator.PushThis(assignExpr->mLeft, leftValue, moduleMethodInstance.mMethodInstance, args);
|
|
exprEvaluator.PushArg(rightValue, args);
|
|
exprEvaluator.CreateCall(assignExpr, moduleMethodInstance.mMethodInstance, moduleMethodInstance.mFunc, false, args);
|
|
return leftValue;
|
|
}
|
|
|
|
checkTypeInst = mModule->GetBaseType(checkTypeInst);
|
|
}
|
|
|
|
return BfTypedValue();
|
|
}
|
|
|
|
void BfExprEvaluator::PerformAssignment(BfAssignmentExpression* assignExpr, bool evaluatedLeft, BfTypedValue rightValue, BfTypedValue* outCascadeValue)
|
|
{
|
|
auto binaryOp = BfAssignOpToBinaryOp(assignExpr->mOp);
|
|
|
|
BfExpression* targetNode = assignExpr->mLeft;
|
|
|
|
if ((BfNodeIsA<BfMixinExpression>(targetNode)) && (!mModule->mCurMethodInstance->mIsUnspecialized))
|
|
{
|
|
// If we have a "mixin = <X>" but there's no mixin target then ignore the assignment
|
|
int mixinVar = GetMixinVariable();
|
|
if (mixinVar == -1)
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_None));
|
|
return;
|
|
}
|
|
}
|
|
|
|
BfAutoComplete* autoComplete = GetAutoComplete();
|
|
bool deferredFixits = false;
|
|
|
|
//TODO: Why was this needed? This breaks fixits on target nodes (ie: 'using' field fixit for 'fully quality')
|
|
/*if ((autoComplete != NULL) && (autoComplete->mResolveType == BfResolveType_GetFixits))
|
|
{
|
|
SetAndRestoreValue<bool> ignoreFixits(autoComplete->mIgnoreFixits, true);
|
|
VisitChild(targetNode);
|
|
deferredFixits = true;
|
|
}
|
|
else*/
|
|
if (!evaluatedLeft)
|
|
{
|
|
if (auto memberReferenceExpr = BfNodeDynCast<BfMemberReferenceExpression>(targetNode))
|
|
{
|
|
DoMemberReference(memberReferenceExpr, outCascadeValue);
|
|
}
|
|
else
|
|
VisitChild(targetNode);
|
|
}
|
|
|
|
if ((!mResult) && (mPropDef == NULL))
|
|
{
|
|
if (assignExpr->mRight != NULL)
|
|
{
|
|
auto result = mModule->CreateValueFromExpression(assignExpr->mRight);
|
|
if (deferredFixits)
|
|
{
|
|
SetAndRestoreValue<bool> ignoreErrors(mModule->mIgnoreErrors, true);
|
|
mExpectingType = result.mType;
|
|
VisitChild(targetNode);
|
|
mResult = BfTypedValue();
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
ResolveGenericType();
|
|
auto ptr = mModule->RemoveRef(mResult);
|
|
mResult = BfTypedValue();
|
|
|
|
if (mPropDef != NULL)
|
|
{
|
|
bool hasLeftVal = false;
|
|
|
|
auto propDef = mPropDef;
|
|
auto propTarget = mPropTarget;
|
|
|
|
auto setMethod = GetPropertyMethodDef(mPropDef, BfMethodType_PropertySetter, mPropCheckedKind, mPropTarget);
|
|
if (setMethod == NULL)
|
|
{
|
|
// Allow for a ref return on the getter to be used if a setter is not available
|
|
GetResult();
|
|
|
|
if ((mResult) && (mResult.mKind == BfTypedValueKind_Addr))
|
|
{
|
|
ptr = mResult;
|
|
mResult = BfTypedValue();
|
|
hasLeftVal = true;
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail("Property has no setter", mPropSrc);
|
|
if (assignExpr->mRight != NULL)
|
|
mModule->CreateValueFromExpression(assignExpr->mRight, ptr.mType, BfEvalExprFlags_NoCast);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (!hasLeftVal)
|
|
{
|
|
auto methodInstance = GetPropertyMethodInstance(setMethod);
|
|
if (methodInstance.mMethodInstance == NULL)
|
|
return;
|
|
//BF_ASSERT(methodInstance.mMethodInstance->mMethodDef == setMethod);
|
|
CheckPropFail(setMethod, methodInstance.mMethodInstance, (mPropGetMethodFlags & BfGetMethodInstanceFlag_Friend) == 0);
|
|
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(mPropSrc)) && (autoComplete->mResolveType == BfResolveType_GetResultString))
|
|
{
|
|
autoComplete->mResultString = ":";
|
|
autoComplete->mResultString += mModule->TypeToString(methodInstance.mMethodInstance->GetParamType(0));
|
|
autoComplete->mResultString += " ";
|
|
autoComplete->mResultString += mModule->TypeToString(methodInstance.mMethodInstance->GetOwner());
|
|
autoComplete->mResultString += ".";
|
|
autoComplete->mResultString += mPropDef->mName;
|
|
}
|
|
|
|
bool handled = false;
|
|
|
|
BfTypedValue convVal;
|
|
if (binaryOp != BfBinaryOp_None)
|
|
{
|
|
BfTypedValue leftValue = mModule->CreateValueFromExpression(assignExpr->mLeft, mExpectingType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_AllowIntUnknown));
|
|
if (!leftValue)
|
|
return;
|
|
|
|
bool evaluatedRight = false;
|
|
auto opResult = PerformAssignment_CheckOp(assignExpr, true, leftValue, rightValue, evaluatedRight);
|
|
if (opResult)
|
|
{
|
|
mResult = opResult;
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
if (evaluatedRight)
|
|
{
|
|
if (!rightValue)
|
|
return;
|
|
PerformBinaryOperation(assignExpr->mLeft, assignExpr->mRight, binaryOp, assignExpr->mOpToken, BfBinOpFlag_ForceLeftType, leftValue, rightValue);
|
|
}
|
|
else
|
|
PerformBinaryOperation(assignExpr->mLeft, assignExpr->mRight, binaryOp, assignExpr->mOpToken, BfBinOpFlag_ForceLeftType, leftValue);
|
|
if (!mResult)
|
|
return;
|
|
convVal = mResult;
|
|
mResult = BfTypedValue();
|
|
if (!convVal)
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
auto wantType = methodInstance.mMethodInstance->GetParamType(0);
|
|
if (rightValue)
|
|
{
|
|
convVal = mModule->Cast(assignExpr->mRight, rightValue, wantType);
|
|
}
|
|
else
|
|
{
|
|
if (assignExpr->mRight == NULL)
|
|
{
|
|
mModule->AssertErrorState();
|
|
return;
|
|
}
|
|
BfEvalExprFlags exprFlags = (BfEvalExprFlags)(BfEvalExprFlags_AllowSplat | BfEvalExprFlags_PendingPropSet);
|
|
if (wantType->IsRef())
|
|
exprFlags = (BfEvalExprFlags)(exprFlags | BfEvalExprFlags_AllowRefExpr);
|
|
convVal = mModule->CreateValueFromExpression(assignExpr->mRight, wantType, exprFlags);
|
|
}
|
|
if (!convVal)
|
|
{
|
|
mPropDef = NULL;
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (!handled)
|
|
{
|
|
if (mPropSrc != NULL)
|
|
mModule->UpdateExprSrcPos(mPropSrc);
|
|
|
|
BfResolvedArg valueArg;
|
|
valueArg.mTypedValue = convVal;
|
|
mIndexerValues.Insert(0, valueArg);
|
|
|
|
if (!setMethod->mIsStatic)
|
|
{
|
|
auto owner = methodInstance.mMethodInstance->GetOwner();
|
|
if ((mPropTarget.mType != owner) ||
|
|
((mPropTarget.mValue.IsFake()) && (!mOrigPropTarget.mValue.IsFake())))
|
|
{
|
|
if ((mPropDefBypassVirtual) || (!mPropTarget.mType->IsInterface()))
|
|
{
|
|
mPropTarget = mModule->Cast(mPropSrc, mOrigPropTarget, owner);
|
|
if (!mPropTarget)
|
|
{
|
|
mModule->Fail("Internal property error", mPropSrc);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
auto callFlags = mPropDefBypassVirtual ? BfCreateCallFlags_BypassVirtual : BfCreateCallFlags_None;
|
|
mResult = CreateCall(mPropSrc, mPropTarget, mOrigPropTarget, setMethod, methodInstance, callFlags, mIndexerValues, NULL);
|
|
mPropDef = NULL;
|
|
mResult = convVal;
|
|
mIndexerValues.Clear();
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
auto toType = ptr.mType;
|
|
if (toType->IsRef())
|
|
{
|
|
auto refType = (BfRefType*)toType;
|
|
toType = refType->mElementType;
|
|
}
|
|
if (toType->IsIntUnknown())
|
|
toType = mModule->FixIntUnknown(toType);
|
|
|
|
if ((autoComplete != NULL) && (assignExpr->mOpToken != NULL) && (toType != NULL))
|
|
autoComplete->CheckEmptyStart(assignExpr->mOpToken, toType);
|
|
|
|
BfExpression* rightExpr = assignExpr->mRight;
|
|
if (rightExpr == NULL)
|
|
{
|
|
mModule->AssertErrorState();
|
|
return;
|
|
}
|
|
|
|
bool alreadyWritten = false;
|
|
BfTypedValue convVal;
|
|
if (binaryOp != BfBinaryOp_None)
|
|
{
|
|
CheckResultForReading(ptr);
|
|
BfTypedValue leftValue = ptr;
|
|
|
|
bool deferBinop = false;
|
|
BfDeferEvalChecker deferEvalChecker;
|
|
deferEvalChecker.mDeferLiterals = false;
|
|
assignExpr->mRight->Accept(&deferEvalChecker);
|
|
if (deferEvalChecker.mNeedsDeferEval)
|
|
deferBinop = true;
|
|
|
|
if (binaryOp == BfBinaryOp_NullCoalesce)
|
|
{
|
|
deferBinop = true;
|
|
}
|
|
|
|
if (!deferBinop)
|
|
{
|
|
auto expectedType = ptr.mType;
|
|
if ((binaryOp == BfBinaryOp_LeftShift) || (binaryOp == BfBinaryOp_RightShift))
|
|
expectedType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
|
|
|
|
if ((!rightValue) && (assignExpr->mRight != NULL))
|
|
{
|
|
rightValue = mModule->CreateValueFromExpression(assignExpr->mRight, expectedType, (BfEvalExprFlags)(BfEvalExprFlags_AllowSplat | BfEvalExprFlags_NoCast));
|
|
}
|
|
}
|
|
|
|
BfResolvedArgs argValues;
|
|
|
|
if ((rightValue) || (deferBinop))
|
|
{
|
|
bool evaluatedRight = false;
|
|
auto opResult = PerformAssignment_CheckOp(assignExpr, deferBinop, leftValue, rightValue, evaluatedRight);
|
|
if (opResult)
|
|
{
|
|
mResult = opResult;
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
auto flags = BfBinOpFlag_ForceLeftType;
|
|
if (deferBinop)
|
|
flags = (BfBinOpFlags)(flags | BfBinOpFlag_DeferRight);
|
|
|
|
leftValue = mModule->LoadValue(leftValue);
|
|
|
|
if (binaryOp == BfBinaryOp_NullCoalesce)
|
|
{
|
|
if (!CheckModifyResult(ptr, assignExpr->mOpToken, "assign to", false, false, true))
|
|
{
|
|
mModule->CreateValueFromExpression(assignExpr->mRight, ptr.mType, (BfEvalExprFlags)(BfEvalExprFlags_AllowSplat | BfEvalExprFlags_NoCast));
|
|
mResult = leftValue;
|
|
return;
|
|
}
|
|
if (PerformBinaryOperation_NullCoalesce(assignExpr->mOpToken, assignExpr->mLeft, assignExpr->mRight, leftValue, leftValue.mType, &ptr))
|
|
return;
|
|
}
|
|
|
|
PerformBinaryOperation(assignExpr->mLeft, assignExpr->mRight, binaryOp, assignExpr->mOpToken, flags, leftValue, rightValue);
|
|
}
|
|
}
|
|
|
|
convVal = mResult;
|
|
mResult = BfTypedValue();
|
|
|
|
if (!convVal)
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
convVal = rightValue;
|
|
|
|
if (!convVal)
|
|
{
|
|
if (auto uninitExpr = BfNodeDynCast<BfUninitializedExpression>(rightExpr))
|
|
{
|
|
if (mResultLocalVar != NULL)
|
|
{
|
|
MarkResultAssigned();
|
|
return;
|
|
}
|
|
}
|
|
|
|
// In the cases like "structVal = GetVal()", the allowDirectStructRetWrite optimization allows us to pass the
|
|
// address of structVal into the sret. We only allow that if structVal is a local, because if it's globally
|
|
// visible then we could see the results of a partially-modified structVal
|
|
//bool allowDirectStructRetWrite = mResultLocalVarIdx != -1;
|
|
// ALTHOUGH- we can only allow this optimization if we can be sure the local value is not aliased- we could
|
|
// have the backend ensure that this local value never gets its address taken.
|
|
bool allowDirectStructWrite = false;
|
|
|
|
BfExprEvaluator exprEvaluator(mModule);
|
|
exprEvaluator.mExpectingType = toType;
|
|
if (allowDirectStructWrite)
|
|
exprEvaluator.mReceivingValue = &ptr;
|
|
exprEvaluator.Evaluate(rightExpr, false, false, true);
|
|
exprEvaluator.CheckResultForReading(exprEvaluator.mResult);
|
|
convVal = exprEvaluator.GetResult();
|
|
mModule->FixIntUnknown(convVal);
|
|
alreadyWritten = (allowDirectStructWrite) && (exprEvaluator.mReceivingValue == NULL);
|
|
|
|
if (!convVal)
|
|
convVal = mModule->GetDefaultTypedValue(toType);
|
|
|
|
// Did we use mReceivingValue as a mixin result?
|
|
if ((convVal.mValue) && (convVal.mValue == ptr.mValue))
|
|
{
|
|
mResult = convVal;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!CheckModifyResult(ptr, assignExpr->mOpToken, "assign to", false, false, true))
|
|
{
|
|
mResult = convVal;
|
|
return;
|
|
}
|
|
|
|
if (ptr.mKind == BfTypedValueKind_CopyOnMutateAddr)
|
|
ptr.mKind = BfTypedValueKind_Addr;
|
|
else if (ptr.IsCopyOnMutate())
|
|
ptr = mModule->CopyValue(ptr);
|
|
|
|
BF_ASSERT(convVal);
|
|
if ((convVal) && (convVal.mType->IsNull()) && (ptr.mType->IsNullable()))
|
|
{
|
|
// Allow this to pass through so we can catch it in the memset later in this function
|
|
}
|
|
else
|
|
{
|
|
if (!convVal.mType->IsComposite())
|
|
convVal = mModule->LoadValue(convVal);
|
|
convVal = mModule->Cast(rightExpr, convVal, toType);
|
|
if (!convVal)
|
|
return;
|
|
convVal = mModule->LoadValue(convVal);
|
|
}
|
|
|
|
if (ptr.mType->IsVar())
|
|
{
|
|
mResult = ptr;
|
|
MarkResultAssigned();
|
|
return;
|
|
}
|
|
if (convVal.mValue)
|
|
{
|
|
if ((ptr.mType->IsStruct()) && (!ptr.mType->IsValuelessType()) && (convVal.mValue.IsConst()))
|
|
{
|
|
auto constant = mModule->mBfIRBuilder->GetConstant(convVal.mValue);
|
|
if ((constant->mTypeCode == BfTypeCode_NullPtr) || (constant->mConstType == BfConstType_AggZero))
|
|
{
|
|
auto type = ptr.mType;
|
|
mModule->mBfIRBuilder->CreateMemSet(ptr.mValue, mModule->GetConstValue(0, mModule->GetPrimitiveType(BfTypeCode_Int8)),
|
|
mModule->GetConstValue(type->mSize), type->mAlign);
|
|
mResult = ptr;
|
|
MarkResultAssigned();
|
|
return;
|
|
}
|
|
}
|
|
|
|
// if (ptr.mType->IsMethodRef())
|
|
// {
|
|
// auto methodRefType = (BfMethodRefType*)ptr.mType;
|
|
// auto methodInstance = methodRefType->mMethodInstance;
|
|
// int implicitParamCount = methodInstance->GetImplicitParamCount();
|
|
// for (int implicitParamIdx = methodInstance->HasThis() ? - 1 : 0; implicitParamIdx < implicitParamCount; implicitParamIdx++)
|
|
// {
|
|
// bool failed = false;
|
|
// auto destPtr = DoImplicitArgCapture(assignExpr, methodRefType->mMethodInstance, implicitParamIdx, failed, BfImplicitParamKind_GenericTypeMember_Addr);
|
|
// auto srcVal = DoImplicitArgCapture(assignExpr, methodRefType->mMethodInstance, implicitParamIdx, failed, BfImplicitParamKind_GenericMethodMember);
|
|
// if ((destPtr) && (srcVal))
|
|
// {
|
|
// srcVal = mModule->AggregateSplat(srcVal);
|
|
// mModule->mBfIRBuilder->CreateStore(srcVal.mValue, destPtr.mValue);
|
|
// }
|
|
// }
|
|
// }
|
|
// else
|
|
{
|
|
mModule->mBfIRBuilder->PopulateType(ptr.mType);
|
|
|
|
if (convVal.IsSplat())
|
|
{
|
|
//convVal = mModule->AggregateSplat(convVal);
|
|
mModule->AggregateSplatIntoAddr(convVal, ptr.mValue);
|
|
}
|
|
else
|
|
{
|
|
if (ptr.mType->IsValuelessType())
|
|
{
|
|
mModule->EmitEnsureInstructionAt();
|
|
}
|
|
else if (!alreadyWritten)
|
|
{
|
|
if ((mModule->mIsComptimeModule) && (mModule->mCompiler->mCeMachine->mDebugger != NULL) && (mModule->mCompiler->mCeMachine->mDebugger->mCurDbgState != NULL))
|
|
{
|
|
auto ceDbgState = mModule->mCompiler->mCeMachine->mDebugger->mCurDbgState;
|
|
bool success = false;
|
|
|
|
if ((convVal.mValue.IsConst()) && (ptr.mValue.IsConst()))
|
|
{
|
|
auto constant = mModule->mBfIRBuilder->GetConstant(ptr.mValue);
|
|
auto valConstant = mModule->mBfIRBuilder->GetConstant(convVal.mValue);
|
|
|
|
auto ceTypedVal = mModule->mCompiler->mCeMachine->mDebugger->GetAddr(constant);
|
|
if (!ceTypedVal)
|
|
{
|
|
mModule->Fail("Invalid assignment address", assignExpr);
|
|
return;
|
|
}
|
|
|
|
auto ceContext = mModule->mCompiler->mCeMachine->mCurContext;
|
|
if (ceContext->CheckMemory((addr_ce)ceTypedVal.mAddr, convVal.mType->mSize))
|
|
{
|
|
if ((ceDbgState->mDbgExpressionFlags & DwEvalExpressionFlag_AllowSideEffects) != 0)
|
|
{
|
|
ceDbgState->mHadSideEffects = true;
|
|
if (ceContext->WriteConstant(mModule, (addr_ce)ceTypedVal.mAddr, valConstant, convVal.mType))
|
|
success = true;
|
|
}
|
|
else
|
|
{
|
|
ceDbgState->mBlockedSideEffects = true;
|
|
success = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!success)
|
|
{
|
|
mModule->Fail("Assignment failed", assignExpr);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (!alreadyWritten)
|
|
{
|
|
//ptr = mModule->LoadValue(ptr);
|
|
BF_ASSERT(ptr.IsAddr());
|
|
convVal = mModule->LoadValue(convVal);
|
|
auto storeInst = mModule->mBfIRBuilder->CreateAlignedStore(convVal.mValue, ptr.mValue, ptr.mType->mAlign, mIsVolatileReference);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
BF_ASSERT(convVal.mType->IsValuelessType());
|
|
}
|
|
mResult = convVal;
|
|
|
|
MarkResultAssigned();
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfAssignmentExpression* assignExpr)
|
|
{
|
|
if (assignExpr->mLeft->IsA<BfTupleExpression>())
|
|
{
|
|
DoTupleAssignment(assignExpr);
|
|
return;
|
|
}
|
|
|
|
BfAutoParentNodeEntry autoParentNodeEntry(mModule, assignExpr);
|
|
|
|
BfTypedValue cascadeValue;
|
|
PerformAssignment(assignExpr, false, BfTypedValue(), &cascadeValue);
|
|
if (cascadeValue)
|
|
mResult = cascadeValue;
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfParenthesizedExpression* parenExpr)
|
|
{
|
|
VisitChild(parenExpr->mExpression);
|
|
MakeResultAsValue();
|
|
}
|
|
|
|
void BfExprEvaluator::InitializedSizedArray(BfSizedArrayType* arrayType, BfTokenNode* openToken, const BfSizedArray<BfExpression*>& valueExprs, const BfSizedArray<BfTokenNode*>& commas, BfTokenNode* closeToken, BfTypedValue* receivingValue)
|
|
{
|
|
struct InitValue
|
|
{
|
|
BfTypedValue mValue;
|
|
bool mIsUninitialized;
|
|
bool mIsDefaultInitializer;
|
|
bool mIsDeferred;
|
|
|
|
InitValue()
|
|
{
|
|
mIsUninitialized = false;
|
|
mIsDefaultInitializer = false;
|
|
mIsDeferred = false;
|
|
}
|
|
};
|
|
|
|
SizedArray<InitValue, 8> values;
|
|
|
|
{
|
|
//bool hasFailed = false;
|
|
HashSet<int> failedAt;
|
|
bool isAllConst = true;
|
|
|
|
//bool endUninitialzied = false;
|
|
|
|
int depth = 0;
|
|
|
|
std::function<void(BfSizedArrayType*, BfTokenNode* openToken, const BfSizedArray<BfExpression*>&, const BfSizedArray<BfTokenNode*>&, BfTokenNode*, bool)>
|
|
_GetValues = [&](BfSizedArrayType* checkArrayType, BfTokenNode* openToken, const BfSizedArray<BfExpression*>& valueExprs, const BfSizedArray<BfTokenNode*>& commas, BfTokenNode* closeToken, bool ignore)
|
|
{
|
|
int64 initCountDiff = (int)valueExprs.size() - checkArrayType->mElementCount;
|
|
if ((initCountDiff != 0) && (!valueExprs.IsEmpty()) && (!failedAt.Contains(depth)))
|
|
{
|
|
if (checkArrayType->mElementCount == -1)
|
|
{
|
|
// mModule->Fail("Initializers not supported for unknown-sized arrays", valueExprs[0]);
|
|
// failedAt.Add(depth);
|
|
}
|
|
else if (initCountDiff > 0)
|
|
{
|
|
mModule->Fail(StrFormat("Too many initializers, expected %d fewer", initCountDiff), valueExprs[BF_MAX((int)checkArrayType->mElementCount, 0)]);
|
|
failedAt.Add(depth);
|
|
}
|
|
else
|
|
{
|
|
// If it ends with ", ?) or ",)" then allow unsized
|
|
if (((valueExprs.size() == 0) || (BfNodeDynCast<BfUninitializedExpression>(valueExprs.back()) == NULL)) &&
|
|
((commas.size() < valueExprs.size()) || (valueExprs.size() == 0)))
|
|
{
|
|
BfAstNode* refNode = closeToken;
|
|
if ((refNode == NULL) && (mModule->mParentNodeEntry != NULL))
|
|
refNode = mModule->mParentNodeEntry->mNode;
|
|
BF_ASSERT(refNode != NULL);
|
|
mModule->Fail(StrFormat("Too few initializer, expected %d more", -initCountDiff), refNode);
|
|
failedAt.Add(depth);
|
|
}
|
|
}
|
|
}
|
|
|
|
for (int idx = 0; idx < BF_MAX(checkArrayType->mElementCount, valueExprs.size()); idx++)
|
|
{
|
|
BfTypedValue elementValue;
|
|
bool deferredValue = false;
|
|
BfExpression* expr = NULL;
|
|
if (idx < (int)valueExprs.size())
|
|
{
|
|
expr = valueExprs[idx];
|
|
if (expr == NULL)
|
|
{
|
|
if (idx == 0)
|
|
mModule->FailAfter("Expression expected", openToken);
|
|
else
|
|
mModule->FailAfter("Expression expected", commas[idx - 1]);
|
|
}
|
|
|
|
if ((BfNodeDynCastExact<BfUninitializedExpression>(expr) != NULL) && (idx == (int)commas.size()))
|
|
{
|
|
isAllConst = false;
|
|
break;
|
|
}
|
|
|
|
if (checkArrayType->mElementType->IsSizedArray())
|
|
{
|
|
if (auto arrayInitExpr = BfNodeDynCast<BfTupleExpression>(expr))
|
|
{
|
|
depth++;
|
|
_GetValues((BfSizedArrayType*)checkArrayType->mElementType, arrayInitExpr->mOpenParen, arrayInitExpr->mValues, arrayInitExpr->mCommas, arrayInitExpr->mCloseParen, ignore);
|
|
depth--;
|
|
continue;
|
|
}
|
|
else if (auto arrayInitExpr = BfNodeDynCast<BfCollectionInitializerExpression>(expr))
|
|
{
|
|
depth++;
|
|
_GetValues((BfSizedArrayType*)checkArrayType->mElementType, arrayInitExpr->mOpenBrace, arrayInitExpr->mValues, arrayInitExpr->mCommas, arrayInitExpr->mCloseBrace, ignore);
|
|
depth--;
|
|
continue;
|
|
}
|
|
else if (auto parenExpr = BfNodeDynCast<BfParenthesizedExpression>(expr))
|
|
{
|
|
depth++;
|
|
SizedArray<BfExpression*, 1> values;
|
|
values.Add(parenExpr->mExpression);
|
|
SizedArray<BfTokenNode*, 1> commas;
|
|
_GetValues((BfSizedArrayType*)checkArrayType->mElementType, parenExpr->mOpenParen, values, commas, parenExpr->mCloseParen, ignore);
|
|
depth--;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (expr != NULL)
|
|
{
|
|
auto evalFlags = (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags);
|
|
|
|
bool tryDefer = false;
|
|
if ((checkArrayType->IsComposite()) &&
|
|
((expr->IsA<BfInvocationExpression>()) || (expr->IsExact<BfTupleExpression>())))
|
|
{
|
|
// We evaluate with a new scope because this expression may create variables that we don't want to be visible to other
|
|
// non-deferred evaluations (since the value may actually be a FakeVal)
|
|
SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
|
|
elementValue = mModule->CreateValueFromExpression(expr, checkArrayType->mElementType, (BfEvalExprFlags)(evalFlags | BfEvalExprFlags_CreateConditionalScope));
|
|
deferredValue = !prevIgnoreWrites.mPrevVal && elementValue.mValue.IsFake();
|
|
}
|
|
else
|
|
{
|
|
elementValue = mModule->CreateValueFromExpression(expr, checkArrayType->mElementType, evalFlags);
|
|
}
|
|
|
|
if (!elementValue)
|
|
elementValue = mModule->GetDefaultTypedValue(checkArrayType->mElementType);
|
|
|
|
if ((!elementValue) || (!CheckAllowValue(elementValue, expr)))
|
|
elementValue = mModule->GetDefaultTypedValue(checkArrayType->mElementType);
|
|
|
|
// For now, we can't properly create const-valued non-size-aligned composites
|
|
if (!elementValue.mValue.IsConst())
|
|
isAllConst = false;
|
|
if (elementValue.IsAddr())
|
|
isAllConst = false;
|
|
|
|
InitValue initValue;
|
|
initValue.mValue = elementValue;
|
|
initValue.mIsDeferred = deferredValue;
|
|
values.push_back(initValue);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
int valueIdx = 0;
|
|
|
|
std::function<void(BfTypedValue, BfTokenNode* openToken, const BfSizedArray<BfExpression*>&, const BfSizedArray<BfTokenNode*>&, BfTokenNode*)>
|
|
_CreateMemArray = [&](BfTypedValue arrayValue, BfTokenNode* openToken, const BfSizedArray<BfExpression*>& valueExprs, const BfSizedArray<BfTokenNode*>& commas, BfTokenNode* closeToken)
|
|
{
|
|
BF_ASSERT(arrayValue.mType->IsSizedArray());
|
|
auto checkArrayType = (BfSizedArrayType*)arrayValue.mType;
|
|
|
|
int valIdx = 0;
|
|
|
|
bool hasUninit = false;
|
|
for (int idx = 0; idx < checkArrayType->mElementCount; idx++)
|
|
{
|
|
BfExpression* expr = NULL;
|
|
BfTypedValue elementValue;
|
|
if (idx >= (int)valueExprs.size())
|
|
break;
|
|
|
|
expr = valueExprs[idx];
|
|
|
|
if ((BfNodeDynCastExact<BfUninitializedExpression>(expr) != NULL) && (idx == (int)commas.size()))
|
|
{
|
|
hasUninit = true;
|
|
break;
|
|
}
|
|
|
|
BfIRValue elemPtrValue = mModule->CreateIndexedValue(checkArrayType->mElementType, arrayValue.mValue, valIdx, true);
|
|
valIdx++;
|
|
|
|
if (checkArrayType->mElementType->IsSizedArray())
|
|
{
|
|
if (auto arrayInitExpr = BfNodeDynCast<BfTupleExpression>(expr))
|
|
{
|
|
_CreateMemArray(BfTypedValue(elemPtrValue, checkArrayType->mElementType, true), arrayInitExpr->mOpenParen, arrayInitExpr->mValues, arrayInitExpr->mCommas, arrayInitExpr->mCloseParen);
|
|
continue;
|
|
}
|
|
else if (auto arrayInitExpr = BfNodeDynCast<BfCollectionInitializerExpression>(expr))
|
|
{
|
|
_CreateMemArray(BfTypedValue(elemPtrValue, checkArrayType->mElementType, true), arrayInitExpr->mOpenBrace, arrayInitExpr->mValues, arrayInitExpr->mCommas, arrayInitExpr->mCloseBrace);
|
|
continue;
|
|
}
|
|
else if (auto parenExpr = BfNodeDynCast<BfParenthesizedExpression>(expr))
|
|
{
|
|
depth++;
|
|
SizedArray<BfExpression*, 1> values;
|
|
values.Add(parenExpr->mExpression);
|
|
SizedArray<BfTokenNode*, 1> commas;
|
|
_CreateMemArray(BfTypedValue(elemPtrValue, checkArrayType->mElementType, true), parenExpr->mOpenParen, values, commas, parenExpr->mCloseParen);
|
|
depth--;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (expr != NULL)
|
|
{
|
|
InitValue initValue = values[valueIdx++];
|
|
elementValue = initValue.mValue;
|
|
|
|
if (initValue.mIsDeferred)
|
|
{
|
|
BfTypedValue elemePtrTypedVal = BfTypedValue(elemPtrValue, checkArrayType->mElementType, BfTypedValueKind_Addr);
|
|
|
|
BfExprEvaluator exprEvaluator(mModule);
|
|
exprEvaluator.mExpectingType = checkArrayType->mElementType;
|
|
exprEvaluator.mReceivingValue = &elemePtrTypedVal;
|
|
exprEvaluator.Evaluate(expr);
|
|
exprEvaluator.GetResult();
|
|
|
|
if (exprEvaluator.mReceivingValue == NULL)
|
|
{
|
|
// We wrote directly to the array in-place, we're done with this element
|
|
continue;
|
|
}
|
|
|
|
elementValue = exprEvaluator.mResult;
|
|
elementValue = mModule->Cast(expr, elementValue, checkArrayType->mElementType);
|
|
if (!elementValue)
|
|
{
|
|
mModule->AssertErrorState();
|
|
continue;
|
|
}
|
|
}
|
|
|
|
elementValue = mModule->LoadOrAggregateValue(elementValue);
|
|
// Note that elemPtrValue can be a const GEP on a global variable
|
|
mModule->mBfIRBuilder->CreateAlignedStore(elementValue.mValue, elemPtrValue, checkArrayType->mElementType->mAlign);
|
|
}
|
|
}
|
|
|
|
int fillCount = (int)(checkArrayType->mElementCount - valIdx);
|
|
if (fillCount > 0)
|
|
{
|
|
BfIRValue elemPtrValue = mModule->CreateIndexedValue(checkArrayType->mElementType, arrayValue.mValue, valIdx, true);
|
|
if (hasUninit)
|
|
{
|
|
if (!mModule->IsOptimized())
|
|
{
|
|
int setSize = std::min(checkArrayType->mElementType->mSize, 128); // Keep it to a reasonable number of bytes to trash
|
|
mModule->mBfIRBuilder->CreateMemSet(elemPtrValue, mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int8, 0xCC),
|
|
mModule->GetConstValue(setSize), checkArrayType->mElementType->mAlign);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int setSize = (int)((checkArrayType->mElementType->GetStride() * (fillCount - 1)) + checkArrayType->mElementType->mSize);
|
|
if (setSize >= 0)
|
|
{
|
|
mModule->mBfIRBuilder->CreateMemSet(elemPtrValue, mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int8, 0),
|
|
mModule->GetConstValue(setSize), checkArrayType->mElementType->mAlign);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
std::function<BfIRValue(BfTypedValue, BfTokenNode*, const BfSizedArray<BfExpression*>&, const BfSizedArray<BfTokenNode*>&, BfTokenNode*)>
|
|
_CreateConstArray = [&](BfTypedValue arrayValue, BfTokenNode* openToken, const BfSizedArray<BfExpression*>& valueExprs, const BfSizedArray<BfTokenNode*>& commas, BfTokenNode* closeToken)
|
|
{
|
|
SizedArray<BfIRValue, 8> members;
|
|
|
|
BF_ASSERT(arrayValue.mType->IsSizedArray());
|
|
auto checkArrayType = (BfSizedArrayType*)arrayValue.mType;
|
|
|
|
int valIdx = 0;
|
|
for (int idx = 0; idx < checkArrayType->mElementCount; idx++)
|
|
{
|
|
BfTypedValue elementValue;
|
|
if (idx >= (int)valueExprs.size())
|
|
break;
|
|
|
|
auto expr = valueExprs[idx];
|
|
if (expr == NULL)
|
|
continue;
|
|
|
|
valIdx++;
|
|
|
|
if (checkArrayType->mElementType->IsSizedArray())
|
|
{
|
|
if (auto arrayInitExpr = BfNodeDynCast<BfTupleExpression>(expr))
|
|
{
|
|
members.push_back(_CreateConstArray(checkArrayType->mElementType, arrayInitExpr->mOpenParen, arrayInitExpr->mValues, arrayInitExpr->mCommas, arrayInitExpr->mCloseParen));
|
|
continue;
|
|
}
|
|
else if (auto arrayInitExpr = BfNodeDynCast<BfCollectionInitializerExpression>(expr))
|
|
{
|
|
members.push_back(_CreateConstArray(checkArrayType->mElementType, arrayInitExpr->mOpenBrace, arrayInitExpr->mValues, arrayInitExpr->mCommas, arrayInitExpr->mCloseBrace));
|
|
continue;
|
|
}
|
|
else if (auto parenExpr = BfNodeDynCast<BfParenthesizedExpression>(expr))
|
|
{
|
|
depth++;
|
|
SizedArray<BfExpression*, 1> values;
|
|
values.Add(parenExpr->mExpression);
|
|
SizedArray<BfTokenNode*, 1> commas;
|
|
members.push_back(_CreateConstArray(checkArrayType->mElementType, parenExpr->mOpenParen, values, commas, parenExpr->mCloseParen));
|
|
depth--;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
InitValue initValue = values[valueIdx++];
|
|
BF_ASSERT(!initValue.mIsUninitialized);
|
|
elementValue = initValue.mValue;
|
|
members.push_back(elementValue.mValue);
|
|
}
|
|
|
|
int fillCount = (int)(checkArrayType->mElementCount - valIdx);
|
|
if (fillCount > 0)
|
|
{
|
|
// We just need to insert one default value, it will be duplicated as needed into the backend
|
|
auto defaultVal = mModule->GetDefaultTypedValue(checkArrayType->GetUnderlyingType());
|
|
BF_ASSERT(defaultVal.mValue.IsConst());
|
|
members.push_back(defaultVal.mValue);
|
|
}
|
|
|
|
auto allocArrayType = checkArrayType;
|
|
if (checkArrayType->IsUndefSizedArray())
|
|
allocArrayType = mModule->CreateSizedArrayType(checkArrayType->GetUnderlyingType(), (int)members.size());
|
|
|
|
return mModule->mBfIRBuilder->CreateConstAgg(mModule->mBfIRBuilder->MapType(checkArrayType), members);
|
|
};
|
|
|
|
_GetValues(arrayType, openToken, valueExprs, commas, closeToken, false);
|
|
|
|
if (!failedAt.IsEmpty())
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(arrayType, false, BfDefaultValueKind_Addr);
|
|
return;
|
|
}
|
|
|
|
if (receivingValue != NULL)
|
|
{
|
|
BF_ASSERT(receivingValue->mType == arrayType);
|
|
BF_ASSERT(receivingValue->IsAddr());
|
|
|
|
mResult = *receivingValue;
|
|
_CreateMemArray(mResult, openToken, valueExprs, commas, closeToken);
|
|
}
|
|
else if (isAllConst)
|
|
{
|
|
mResult = BfTypedValue(_CreateConstArray(arrayType, openToken, valueExprs, commas, closeToken), arrayType, BfTypedValueKind_Value);
|
|
}
|
|
else
|
|
{
|
|
if ((mReceivingValue != NULL) && (mReceivingValue->mType == arrayType) && (mReceivingValue->IsAddr()))
|
|
{
|
|
mResult = *mReceivingValue;
|
|
mReceivingValue = NULL;
|
|
}
|
|
else
|
|
{
|
|
auto arrayValue = mModule->CreateAlloca(arrayType);
|
|
mResult = BfTypedValue(arrayValue, arrayType, BfTypedValueKind_TempAddr);
|
|
}
|
|
if (!arrayType->IsValuelessType())
|
|
_CreateMemArray(mResult, openToken, valueExprs, commas, closeToken);
|
|
}
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfTupleExpression* tupleExpr)
|
|
{
|
|
BfTypeInstance* tupleType = NULL;
|
|
bool hadFullMatch = false;
|
|
if ((mExpectingType != NULL) && (mExpectingType->IsTuple()))
|
|
{
|
|
tupleType = (BfTypeInstance*)mExpectingType;
|
|
hadFullMatch = tupleType->mFieldInstances.size() == tupleExpr->mValues.size();
|
|
}
|
|
|
|
struct InitValue
|
|
{
|
|
BfTypedValue mValue;
|
|
bool mIsUninitialized;
|
|
bool mIsDefaultInitializer;
|
|
bool mIsDeferred;
|
|
|
|
InitValue()
|
|
{
|
|
mIsUninitialized = false;
|
|
mIsDefaultInitializer = false;
|
|
mIsDeferred = false;
|
|
}
|
|
};
|
|
|
|
SizedArray<BfTypedValue, 2> typedValues;
|
|
|
|
if ((tupleExpr->mCommas.size() != 0) && (tupleExpr->mCommas.size() >= tupleExpr->mValues.size()))
|
|
{
|
|
// We would normally give this error during syntax parsing, but a TupleExpression can be an array initializer
|
|
mModule->FailAfter("Expression expected", tupleExpr->mCommas.back());
|
|
}
|
|
|
|
for (int valueIdx = 0; valueIdx < (int)tupleExpr->mValues.size(); valueIdx++)
|
|
{
|
|
BfExpression* valueExpr = tupleExpr->mValues[valueIdx];
|
|
BfType* fieldType = NULL;
|
|
BfFieldInstance* fieldInstance = NULL;
|
|
if (tupleType != NULL)
|
|
{
|
|
if (valueIdx < (int)tupleType->mFieldInstances.size())
|
|
{
|
|
fieldInstance = (BfFieldInstance*)&tupleType->mFieldInstances[valueIdx];
|
|
fieldType = fieldInstance->GetResolvedType();
|
|
if (fieldType->IsVoid())
|
|
{
|
|
typedValues.push_back(BfTypedValue());
|
|
continue;
|
|
}
|
|
|
|
if (fieldType->IsVar())
|
|
{
|
|
hadFullMatch = false;
|
|
fieldType = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool tryDefer = false;
|
|
if (((fieldType == NULL) || (fieldType->IsComposite())) &&
|
|
((valueExpr->IsA<BfInvocationExpression>()) || (valueExpr->IsExact<BfTupleExpression>())))
|
|
{
|
|
tryDefer = true;
|
|
}
|
|
|
|
SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, mModule->mBfIRBuilder->mIgnoreWrites || tryDefer);
|
|
BfTypedValue value = mModule->CreateValueFromExpression(valueExpr, fieldType);
|
|
|
|
if (!value)
|
|
{
|
|
if (fieldType != NULL)
|
|
value = mModule->GetDefaultTypedValue(fieldType);
|
|
else
|
|
value = mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
|
|
}
|
|
|
|
if ((fieldInstance != NULL) && (!fieldInstance->GetFieldDef()->IsUnnamedTupleField()) && (valueIdx < (int)tupleExpr->mNames.size()))
|
|
{
|
|
auto checkName = tupleExpr->mNames[valueIdx];
|
|
if (checkName != NULL)
|
|
{
|
|
if (checkName->ToString() != fieldInstance->GetFieldDef()->mName)
|
|
hadFullMatch = false;
|
|
}
|
|
}
|
|
|
|
value = mModule->LoadValue(value);
|
|
typedValues.push_back(value);
|
|
}
|
|
|
|
if (!hadFullMatch)
|
|
{
|
|
BfTypeVector fieldTypes;
|
|
Array<String> fieldNames;
|
|
HashSet<String> fieldNameSet;
|
|
for (auto typedVal : typedValues)
|
|
{
|
|
auto type = typedVal.mType;
|
|
if (type != NULL)
|
|
fieldTypes.push_back(type);
|
|
else
|
|
fieldTypes.push_back(mModule->mContext->mBfObjectType);
|
|
}
|
|
for (BfTupleNameNode* requestedName : tupleExpr->mNames)
|
|
{
|
|
if (requestedName == NULL)
|
|
fieldNames.push_back("");
|
|
else
|
|
{
|
|
auto fieldName = requestedName->mNameNode->ToString();
|
|
if (!fieldNameSet.TryAdd(fieldName, NULL))
|
|
{
|
|
mModule->Fail(StrFormat("A field named '%s' has already been declared", fieldName.c_str()), requestedName->mNameNode);
|
|
}
|
|
fieldNames.push_back(fieldName);
|
|
}
|
|
}
|
|
tupleType = mModule->CreateTupleType(fieldTypes, fieldNames);
|
|
}
|
|
|
|
mModule->mBfIRBuilder->PopulateType(tupleType);
|
|
|
|
BfIRValue curTupleValue;
|
|
|
|
if ((mReceivingValue != NULL) && (mReceivingValue->mType == tupleType) && (mReceivingValue->IsAddr()))
|
|
{
|
|
mResult = *mReceivingValue;
|
|
mReceivingValue = NULL;
|
|
curTupleValue = mResult.mValue;
|
|
}
|
|
else
|
|
{
|
|
int valueIdx = -1;
|
|
bool isExactConst = true;
|
|
|
|
for (int fieldIdx = 0; fieldIdx < (int)tupleType->mFieldInstances.size(); fieldIdx++)
|
|
{
|
|
BfFieldInstance* fieldInstance = &tupleType->mFieldInstances[fieldIdx];
|
|
if (fieldInstance->mDataIdx < 0)
|
|
continue;
|
|
++valueIdx;
|
|
auto typedValue = typedValues[valueIdx];
|
|
if (typedValue.mType != fieldInstance->mResolvedType)
|
|
{
|
|
isExactConst = false;
|
|
break;
|
|
}
|
|
if (!typedValue.mValue.IsConst())
|
|
{
|
|
isExactConst = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (isExactConst)
|
|
{
|
|
mModule->PopulateType(tupleType);
|
|
if (tupleType->IsDataIncomplete())
|
|
return;
|
|
|
|
Array<BfIRValue> irValues;
|
|
irValues.Resize(typedValues.mSize + 1);
|
|
irValues[0] = mModule->mBfIRBuilder->CreateConstAggZero(mModule->mBfIRBuilder->MapType(tupleType->mBaseType));
|
|
|
|
for (int fieldIdx = 0; fieldIdx < (int)tupleType->mFieldInstances.size(); fieldIdx++)
|
|
{
|
|
BfFieldInstance* fieldInstance = &tupleType->mFieldInstances[fieldIdx];
|
|
if (fieldInstance->mDataIdx < 0)
|
|
continue;
|
|
|
|
while (fieldInstance->mDataIdx >= irValues.size())
|
|
irValues.Add(BfIRValue());
|
|
|
|
irValues[fieldInstance->mDataIdx] = typedValues[fieldIdx].mValue;
|
|
}
|
|
|
|
for (auto& val : irValues)
|
|
{
|
|
if (!val)
|
|
val = mModule->mBfIRBuilder->CreateConstArrayZero(0);
|
|
}
|
|
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConstAgg(mModule->mBfIRBuilder->MapType(tupleType), irValues), tupleType);
|
|
return;
|
|
}
|
|
|
|
curTupleValue = mModule->CreateAlloca(tupleType);
|
|
mResultIsTempComposite = true;
|
|
mResult = BfTypedValue(curTupleValue, tupleType, BfTypedValueKind_TempAddr);
|
|
}
|
|
|
|
int valueIdx = -1;
|
|
for (int fieldIdx = 0; fieldIdx < (int)tupleType->mFieldInstances.size(); fieldIdx++)
|
|
{
|
|
BfFieldInstance* fieldInstance = &tupleType->mFieldInstances[fieldIdx];
|
|
++valueIdx;
|
|
if (fieldInstance->mResolvedType->IsValuelessType())
|
|
continue;
|
|
auto typedVal = typedValues[valueIdx];
|
|
if (!typedVal)
|
|
{
|
|
mModule->AssertErrorState();
|
|
continue;
|
|
}
|
|
if (fieldInstance->mDataIdx >= 0)
|
|
{
|
|
auto memberVal = mModule->mBfIRBuilder->CreateInBoundsGEP(curTupleValue, 0, fieldInstance->mDataIdx);
|
|
|
|
if ((!mModule->mBfIRBuilder->mIgnoreWrites) && (typedVal.mValue.IsFake()))
|
|
{
|
|
// Value was deferred. Allow us to try to init in place
|
|
BfExpression* valueExpr = tupleExpr->mValues[valueIdx];
|
|
|
|
BfTypedValue memberPtrTypedVal = BfTypedValue(memberVal, fieldInstance->mResolvedType, BfTypedValueKind_Addr);
|
|
|
|
BfExprEvaluator exprEvaluator(mModule);
|
|
exprEvaluator.mExpectingType = fieldInstance->mResolvedType;
|
|
exprEvaluator.mReceivingValue = &memberPtrTypedVal;
|
|
exprEvaluator.Evaluate(valueExpr);
|
|
exprEvaluator.GetResult();
|
|
|
|
if (exprEvaluator.mReceivingValue == NULL)
|
|
{
|
|
// We wrote directly to the array in-place, we're done with this element
|
|
continue;
|
|
}
|
|
|
|
typedVal = exprEvaluator.mResult;
|
|
typedVal = mModule->Cast(valueExpr, typedVal, fieldInstance->mResolvedType);
|
|
if (!typedVal)
|
|
{
|
|
mModule->AssertErrorState();
|
|
continue;
|
|
}
|
|
typedVal = mModule->LoadValue(typedVal);
|
|
}
|
|
|
|
if (typedVal.mType->IsVar())
|
|
{
|
|
// Do nothing
|
|
}
|
|
else if (typedVal.IsSplat())
|
|
mModule->AggregateSplatIntoAddr(typedVal, memberVal);
|
|
else
|
|
mModule->mBfIRBuilder->CreateAlignedStore(typedVal.mValue, memberVal, typedVal.mType->mAlign);
|
|
}
|
|
}
|
|
}
|
|
|
|
BfTypedValue BfExprEvaluator::SetupNullConditional(BfTypedValue thisValue, BfTokenNode* dotToken)
|
|
{
|
|
bool isStaticLookup = (!thisValue) ||
|
|
((!thisValue.mType->IsValuelessType()) && (!thisValue.mValue));
|
|
|
|
if (isStaticLookup)
|
|
{
|
|
mModule->Fail("Null conditional reference not valid for static field references", dotToken);
|
|
return thisValue;
|
|
}
|
|
|
|
auto opResult = PerformUnaryOperation_TryOperator(thisValue, NULL, BfUnaryOp_NullConditional, dotToken, BfUnaryOpFlag_None);
|
|
if (opResult)
|
|
thisValue = opResult;
|
|
|
|
if (thisValue.mType->IsGenericParam())
|
|
{
|
|
bool isValid = false;
|
|
|
|
auto genericParams = mModule->GetGenericParamInstance((BfGenericParamType*)thisValue.mType);
|
|
if (genericParams->mTypeConstraint != NULL)
|
|
{
|
|
if ((genericParams->mTypeConstraint->IsNullable()) ||
|
|
(genericParams->mTypeConstraint->IsPointer()) ||
|
|
(genericParams->mTypeConstraint->IsObjectOrInterface()))
|
|
isValid = true;
|
|
}
|
|
|
|
if ((genericParams->mGenericParamFlags & (BfGenericParamFlag_Var | BfGenericParamFlag_StructPtr | BfGenericParamFlag_Class)) != 0)
|
|
isValid = true;
|
|
|
|
if (isValid)
|
|
return thisValue;
|
|
}
|
|
|
|
if ((thisValue.mType->IsNullable()) || (thisValue.mType->IsVar()))
|
|
{
|
|
// Success
|
|
}
|
|
else if ((thisValue.mType->IsPointer()) || (thisValue.mType->IsObjectOrInterface()))
|
|
{
|
|
// Also good
|
|
}
|
|
else
|
|
{
|
|
bool canBeNull = false;
|
|
if (thisValue.mType->IsGenericParam())
|
|
canBeNull = true;
|
|
|
|
if (!canBeNull)
|
|
mModule->Warn(0, StrFormat("Null conditional reference is unnecessary since value type '%s' can never be null", mModule->TypeToString(thisValue.mType).c_str()), dotToken);
|
|
return thisValue;
|
|
}
|
|
|
|
thisValue = mModule->LoadValue(thisValue);
|
|
if (thisValue.mType->IsVar())
|
|
return thisValue;
|
|
|
|
BfPendingNullConditional* pendingNullCond = mModule->mCurMethodState->mPendingNullConditional;
|
|
if (pendingNullCond == NULL)
|
|
{
|
|
pendingNullCond = new BfPendingNullConditional();
|
|
mModule->mCurMethodState->mPendingNullConditional = pendingNullCond;
|
|
}
|
|
if (!pendingNullCond->mPrevBB)
|
|
pendingNullCond->mPrevBB = mModule->mBfIRBuilder->GetInsertBlock();
|
|
|
|
if (!pendingNullCond->mDoneBB)
|
|
pendingNullCond->mDoneBB = mModule->mBfIRBuilder->CreateBlock("nullCond.done");
|
|
|
|
// We will in the br to checkBB later
|
|
if (!pendingNullCond->mCheckBB)
|
|
{
|
|
pendingNullCond->mCheckBB = mModule->mBfIRBuilder->CreateBlock("nullCond.check");
|
|
mModule->AddBasicBlock(pendingNullCond->mCheckBB);
|
|
}
|
|
|
|
BfIRValue isNotNull;
|
|
|
|
if (thisValue.mType->IsNullable())
|
|
{
|
|
BfTypeInstance* nullableType = (BfTypeInstance*)thisValue.mType->ToTypeInstance();
|
|
auto elementType = nullableType->GetUnderlyingType();
|
|
if (elementType->IsValuelessType())
|
|
{
|
|
thisValue = mModule->MakeAddressable(thisValue);
|
|
BfIRValue hasValuePtr = mModule->mBfIRBuilder->CreateInBoundsGEP(thisValue.mValue, 0, 1); // mHasValue
|
|
isNotNull = mModule->mBfIRBuilder->CreateAlignedLoad(hasValuePtr, 1);
|
|
thisValue = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), elementType, true);
|
|
}
|
|
else
|
|
{
|
|
thisValue = mModule->MakeAddressable(thisValue);
|
|
BfIRValue hasValuePtr = mModule->mBfIRBuilder->CreateInBoundsGEP(thisValue.mValue, 0, 2); // mHasValue
|
|
isNotNull = mModule->mBfIRBuilder->CreateAlignedLoad(hasValuePtr, 1);
|
|
BfIRValue valuePtr = mModule->mBfIRBuilder->CreateInBoundsGEP(thisValue.mValue, 0, 1); // mValue
|
|
thisValue = BfTypedValue(valuePtr, elementType, true);
|
|
}
|
|
}
|
|
else
|
|
isNotNull = mModule->mBfIRBuilder->CreateIsNotNull(thisValue.mValue);
|
|
BfIRBlock notNullBB = mModule->mBfIRBuilder->CreateBlock("nullCond.notNull");
|
|
pendingNullCond->mNotNullBBs.Add(notNullBB);
|
|
mModule->mBfIRBuilder->CreateCondBr(isNotNull, notNullBB, pendingNullCond->mDoneBB);
|
|
|
|
mModule->AddBasicBlock(notNullBB);
|
|
return thisValue;
|
|
}
|
|
|
|
void BfExprEvaluator::CheckDotToken(BfTokenNode* tokenNode)
|
|
{
|
|
if ((tokenNode != NULL) && (tokenNode->mToken == BfToken_DotDot))
|
|
mModule->Fail("Unexpected cascade operation. Chaining can only be used for method invocations", tokenNode);
|
|
}
|
|
|
|
void BfExprEvaluator::DoMemberReference(BfMemberReferenceExpression* memberRefExpr, BfTypedValue* outCascadeValue)
|
|
{
|
|
CheckDotToken(memberRefExpr->mDotToken);
|
|
|
|
BfAttributeState attributeState;
|
|
attributeState.mTarget = (BfAttributeTargets)(BfAttributeTargets_MemberAccess);
|
|
|
|
String findName;
|
|
BfAstNode* nameRefNode = memberRefExpr->mMemberName;
|
|
if (auto attrIdentifierExpr = BfNodeDynCast<BfAttributedIdentifierNode>(memberRefExpr->mMemberName))
|
|
{
|
|
nameRefNode = attrIdentifierExpr->mIdentifier;
|
|
// Don't validate
|
|
attributeState.mCustomAttributes = mModule->GetCustomAttributes(attrIdentifierExpr->mAttributes, BfAttributeTargets_SkipValidate);
|
|
if (nameRefNode != NULL)
|
|
findName = attrIdentifierExpr->mIdentifier->ToString();
|
|
}
|
|
else if (memberRefExpr->mMemberName != NULL)
|
|
findName = memberRefExpr->mMemberName->ToString();
|
|
else if (memberRefExpr->mDotToken != NULL)
|
|
mModule->FailAfter("Member name expected", memberRefExpr->mDotToken);
|
|
|
|
defer
|
|
(
|
|
if (attributeState.mCustomAttributes != NULL)
|
|
{
|
|
if (mPropDef != NULL)
|
|
attributeState.mTarget = (BfAttributeTargets)(attributeState.mTarget | BfAttributeTargets_Invocation);
|
|
mModule->ValidateCustomAttributes(attributeState.mCustomAttributes, attributeState.mTarget);
|
|
}
|
|
);
|
|
|
|
SetAndRestoreValue<BfAttributeState*> prevAttributeState(mModule->mAttributeState, &attributeState);
|
|
|
|
BfTypeInstance* expectingTypeInst = NULL;
|
|
if (mExpectingType != NULL)
|
|
{
|
|
expectingTypeInst = mExpectingType->ToTypeInstance();
|
|
if (mExpectingType->IsPointer())
|
|
expectingTypeInst = mExpectingType->GetUnderlyingType()->ToTypeInstance();
|
|
else if (mExpectingType->IsNullable())
|
|
expectingTypeInst = mExpectingType->GetUnderlyingType()->ToTypeInstance();
|
|
else if (mExpectingType->IsConstExprValue())
|
|
expectingTypeInst = mExpectingType->GetUnderlyingType()->ToTypeInstance();
|
|
else if (mExpectingType->IsGenericParam())
|
|
{
|
|
auto genericParam = mModule->GetGenericParamInstance((BfGenericParamType*)mExpectingType);
|
|
if (genericParam->mTypeConstraint != NULL)
|
|
expectingTypeInst = genericParam->mTypeConstraint->ToTypeInstance();
|
|
}
|
|
}
|
|
|
|
BfAutoComplete* autoComplete = GetAutoComplete();
|
|
if (autoComplete != NULL)
|
|
{
|
|
SetAndRestoreValue<bool> prevFriendSet(autoComplete->mHasFriendSet, (attributeState.mCustomAttributes != NULL) && (attributeState.mCustomAttributes->Contains(mModule->mCompiler->mFriendAttributeTypeDef)));
|
|
|
|
if (memberRefExpr->mTarget == NULL)
|
|
{
|
|
String filter;
|
|
if ((mExpectingType != NULL) &&
|
|
(autoComplete->InitAutocomplete(memberRefExpr->mDotToken, memberRefExpr->mMemberName, filter)))
|
|
{
|
|
if (expectingTypeInst != NULL)
|
|
{
|
|
bool allowPrivate = expectingTypeInst == mModule->mCurTypeInstance;
|
|
if (expectingTypeInst->IsEnum())
|
|
autoComplete->AddEnumTypeMembers(expectingTypeInst, filter, false, allowPrivate);
|
|
autoComplete->AddSelfResultTypeMembers(expectingTypeInst, expectingTypeInst, filter, allowPrivate);
|
|
}
|
|
}
|
|
else if ((expectingTypeInst != NULL) && (autoComplete->IsAutocompleteNode(memberRefExpr->mDotToken)) && (autoComplete->mIsGetDefinition))
|
|
{
|
|
if ((autoComplete->mDefType == NULL) &&
|
|
(autoComplete->mDefMethod == NULL) && (autoComplete->mDefField == NULL) &&
|
|
(autoComplete->mDefProp == NULL) && (expectingTypeInst->mTypeDef->mTypeDeclaration != NULL))
|
|
{
|
|
autoComplete->mDefType = expectingTypeInst->mTypeDef;
|
|
autoComplete->SetDefinitionLocation(expectingTypeInst->mTypeDef->mTypeDeclaration->mNameNode);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
autoComplete->CheckMemberReference(memberRefExpr->mTarget, memberRefExpr->mDotToken, memberRefExpr->mMemberName, false, mExpectingType);
|
|
|
|
if (auto objCreateExpr = BfNodeDynCast<BfObjectCreateExpression>(memberRefExpr->mTarget))
|
|
{
|
|
// This handles a weird case where we have "obj a = new\nWhatever().Thing = 123;".
|
|
// That gets parsed as "Whatever()" being the type we want to create, and then referencing
|
|
// the "Thing" member of that new object.
|
|
//if (objCreateExpr->mArraySizeSpecifier == NULL)
|
|
CheckObjectCreateTypeRef(mExpectingType, objCreateExpr->mNewNode);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (memberRefExpr->mTarget == NULL)
|
|
{
|
|
if (mExpectingType == NULL)
|
|
{
|
|
if (mModule->PreFail())
|
|
mModule->Fail("Unqualified dot syntax can only be used when the result type can be inferred", nameRefNode);
|
|
return;
|
|
}
|
|
|
|
if (mExpectingType->IsVar())
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(mExpectingType);
|
|
return;
|
|
}
|
|
|
|
if (mExpectingType->IsSizedArray())
|
|
{
|
|
expectingTypeInst = mModule->GetWrappedStructType(mExpectingType);
|
|
}
|
|
|
|
if (expectingTypeInst == NULL)
|
|
{
|
|
if (mModule->PreFail())
|
|
mModule->Fail(StrFormat("Unqualified dot syntax cannot be used with type '%s'", mModule->TypeToString(mExpectingType).c_str()), nameRefNode);
|
|
return;
|
|
}
|
|
|
|
BfTypedValue expectingVal(expectingTypeInst);
|
|
mResult = LookupField(memberRefExpr->mMemberName, expectingVal, findName);
|
|
if ((mResult) || (mPropDef != NULL))
|
|
return;
|
|
}
|
|
|
|
bool isNullCondLookup = (memberRefExpr->mDotToken != NULL) && (memberRefExpr->mDotToken->GetToken() == BfToken_QuestionDot);
|
|
bool isCascade = ((memberRefExpr->mDotToken != NULL) && (memberRefExpr->mDotToken->GetToken() == BfToken_DotDot));
|
|
bool isArrowLookup = ((memberRefExpr->mDotToken != NULL) && (memberRefExpr->mDotToken->GetToken() == BfToken_Arrow));
|
|
|
|
BfIdentifierNode* nameLeft = BfNodeDynCast<BfIdentifierNode>(memberRefExpr->mTarget);
|
|
BfIdentifierNode* nameRight = BfIdentifierCast(memberRefExpr->mMemberName);
|
|
if ((nameLeft != NULL) && (nameRight != NULL) && (!isNullCondLookup) && (!isCascade) && (!isArrowLookup))
|
|
{
|
|
bool hadError = false;
|
|
LookupQualifiedName(memberRefExpr, nameLeft, nameRight, true, &hadError);
|
|
if ((mResult) || (mPropDef != NULL))
|
|
return;
|
|
if (hadError)
|
|
return;
|
|
|
|
LookupQualifiedStaticField(memberRefExpr, nameLeft, nameRight, false);
|
|
|
|
return;
|
|
}
|
|
|
|
BfTypedValue thisValue;
|
|
if (auto exprTarget = BfNodeDynCast<BfExpression>(memberRefExpr->mTarget))
|
|
{
|
|
if (auto typeOfExpr = BfNodeDynCast<BfTypeOfExpression>(memberRefExpr->mTarget))
|
|
{
|
|
if (auto nameIdentifer = BfNodeDynCast<BfIdentifierNode>(memberRefExpr->mMemberName))
|
|
{
|
|
if (LookupTypeProp(typeOfExpr, nameIdentifer))
|
|
return;
|
|
}
|
|
}
|
|
|
|
//Hm, not using VisitChild broke our ability to write to a field for a not-initialized local struct
|
|
VisitChild(memberRefExpr->mTarget);
|
|
GetResult();
|
|
thisValue = mResult;
|
|
|
|
if (!thisValue)
|
|
{
|
|
if (auto targetIdentifier = BfNodeDynCast<BfIdentifierNode>(exprTarget))
|
|
{
|
|
thisValue = BfTypedValue(mModule->ResolveTypeRef(targetIdentifier, NULL, BfPopulateType_Declaration));
|
|
}
|
|
}
|
|
|
|
if (!thisValue.HasType())
|
|
return;
|
|
//thisValue = mResult;
|
|
}
|
|
else if (auto typeRef = BfNodeDynCast<BfTypeReference>(memberRefExpr->mTarget))
|
|
{
|
|
// Look up static field
|
|
thisValue = BfTypedValue(ResolveTypeRef(typeRef));
|
|
}
|
|
|
|
if (nameRefNode == NULL)
|
|
{
|
|
mModule->AssertErrorState();
|
|
return;
|
|
}
|
|
|
|
if (isNullCondLookup)
|
|
thisValue = SetupNullConditional(thisValue, memberRefExpr->mDotToken);
|
|
|
|
if ((isArrowLookup) && (thisValue))
|
|
thisValue = TryArrowLookup(thisValue, memberRefExpr->mDotToken);
|
|
|
|
mResult = LookupField(nameRefNode, thisValue, findName);
|
|
|
|
if ((!mResult) && (mPropDef == NULL))
|
|
{
|
|
if (thisValue.mType != NULL)
|
|
{
|
|
BfTypeInstance* typeInst = thisValue.mType->ToTypeInstance();
|
|
auto compiler = mModule->mCompiler;
|
|
if ((typeInst != NULL) && (compiler->IsAutocomplete()) && (compiler->mResolvePassData->mAutoComplete->CheckFixit(memberRefExpr->mMemberName)))
|
|
{
|
|
FixitAddMember(typeInst, mExpectingType, findName, !thisValue.mValue);
|
|
}
|
|
}
|
|
|
|
if ((!thisValue.mValue) && (thisValue.mType != NULL))
|
|
{
|
|
if (auto targetIdentifier = BfNodeDynCast<BfIdentifierNode>(memberRefExpr->mMemberName))
|
|
{
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_NameOf) != 0)
|
|
{
|
|
auto typeInst = thisValue.mType->ToTypeInstance();
|
|
if ((typeInst != NULL) && (CheckForMethodName(nameRight, typeInst, findName)))
|
|
return;
|
|
}
|
|
|
|
mResult.mType = mModule->ResolveInnerType(thisValue.mType, targetIdentifier, BfPopulateType_Declaration);
|
|
}
|
|
}
|
|
|
|
if ((memberRefExpr->mTarget == NULL) && (expectingTypeInst != NULL) && (autoComplete != NULL))
|
|
{
|
|
if (autoComplete->CheckFixit(memberRefExpr->mMemberName))
|
|
{
|
|
autoComplete->FixitAddCase(expectingTypeInst, memberRefExpr->mMemberName->ToString(), BfTypeVector());
|
|
}
|
|
}
|
|
|
|
if (mResult.mType == NULL)
|
|
{
|
|
if (mModule->PreFail())
|
|
{
|
|
if ((thisValue) && (thisValue.mType->IsPointer()) && (thisValue.mType->GetUnderlyingType()->IsObjectOrInterface()))
|
|
mModule->Fail(StrFormat("Members cannot be referenced on type '%s' because the type is a pointer to a reference type (ie: a double-reference).",
|
|
mModule->TypeToString(thisValue.mType).c_str()), nameRefNode);
|
|
else if (thisValue)
|
|
mModule->Fail(StrFormat("Unable to find member '%s' in '%s'", findName.c_str(), mModule->TypeToString(thisValue.mType).c_str()), nameRefNode);
|
|
else
|
|
mModule->Fail("Unable to find member", nameRefNode);
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((isNullCondLookup) && (mPropDef == NULL))
|
|
mResult = GetResult();
|
|
|
|
if (isCascade)
|
|
{
|
|
if (outCascadeValue != NULL)
|
|
*outCascadeValue = thisValue;
|
|
else if (mModule->PreFail())
|
|
mModule->Fail("Unexpected cascade operation. Chaining can only be used for method invocations", memberRefExpr->mDotToken);
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfMemberReferenceExpression* memberRefExpr)
|
|
{
|
|
DoMemberReference(memberRefExpr, NULL);
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfIndexerExpression* indexerExpr)
|
|
{
|
|
HandleIndexerExpression(indexerExpr, BfTypedValue());
|
|
}
|
|
|
|
void BfExprEvaluator::HandleIndexerExpression(BfIndexerExpression* indexerExpr, BfTypedValue target)
|
|
{
|
|
BfAstNode* refNode = indexerExpr->mOpenBracket;
|
|
if (refNode == NULL)
|
|
refNode = indexerExpr->mTarget;
|
|
|
|
bool wantStatic = false;
|
|
// Try first as a non-static indexer, then as a static indexer
|
|
|
|
if (!target)
|
|
{
|
|
for (int pass = 0; pass < 2; pass++)
|
|
{
|
|
///
|
|
{
|
|
SetAndRestoreValue<BfEvalExprFlags> prevFlags(mBfEvalExprFlags, (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_NoLookupError | BfEvalExprFlags_AllowBase), pass == 0);
|
|
VisitChild(indexerExpr->mTarget);
|
|
}
|
|
ResolveGenericType();
|
|
target = GetResult(true);
|
|
if (target)
|
|
break;
|
|
|
|
if (pass == 0)
|
|
{
|
|
SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, (mModule->mIgnoreErrors) || (pass == 0));
|
|
auto staticType = mModule->ResolveTypeRef(indexerExpr->mTarget, {});
|
|
if (staticType != NULL)
|
|
{
|
|
wantStatic = true;
|
|
target.mType = staticType;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!target.HasType())
|
|
return;
|
|
|
|
if (target.mType->IsGenericParam())
|
|
{
|
|
auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)target.mType);
|
|
if (genericParamInstance->mTypeConstraint != NULL)
|
|
target.mType = genericParamInstance->mTypeConstraint;
|
|
}
|
|
|
|
BfCheckedKind checkedKind = BfCheckedKind_NotSet;
|
|
|
|
bool isInlined = false;
|
|
if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL))
|
|
{
|
|
if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mInlineAttributeTypeDef))
|
|
{
|
|
isInlined = true;
|
|
mModule->mAttributeState->mUsed = true;
|
|
}
|
|
if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mCheckedAttributeTypeDef))
|
|
{
|
|
checkedKind = BfCheckedKind_Checked;
|
|
mModule->mAttributeState->mUsed = true;
|
|
}
|
|
if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mUncheckedAttributeTypeDef))
|
|
{
|
|
checkedKind = BfCheckedKind_Unchecked;
|
|
mModule->mAttributeState->mUsed = true;
|
|
}
|
|
}
|
|
|
|
// Avoid attempting to apply the current attributes to the indexer arguments
|
|
SetAndRestoreValue<BfAttributeState*> prevAttributeState(mModule->mAttributeState, NULL);
|
|
|
|
bool isNullCondLookup = (indexerExpr->mOpenBracket != NULL) && (indexerExpr->mOpenBracket->GetToken() == BfToken_QuestionLBracket);
|
|
if (isNullCondLookup)
|
|
target = SetupNullConditional(target, indexerExpr->mOpenBracket);
|
|
|
|
if (target.mType->IsVar())
|
|
{
|
|
mResult = BfTypedValue(mModule->GetDefaultValue(target.mType), target.mType, true);
|
|
return;
|
|
}
|
|
|
|
if ((target.mType->IsTypeInstance()) || (target.mType->IsGenericParam()))
|
|
{
|
|
BfGenericParamInstance* genericParamInstance = NULL;
|
|
if (target.mType->IsGenericParam())
|
|
genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)target.mType);
|
|
|
|
mIndexerValues.clear();
|
|
|
|
SizedArray<BfExpression*, 2> argExprs;
|
|
BfSizedArray<BfExpression*> sizedArgExprs(indexerExpr->mArguments);
|
|
BfResolvedArgs argValues(&sizedArgExprs);
|
|
ResolveArgValues(argValues, (BfResolveArgsFlags)(BfResolveArgsFlag_DeferParamEval | BfResolveArgsFlag_FromIndexer));
|
|
|
|
mIndexerValues = argValues.mResolvedArgs;
|
|
|
|
BfMethodMatcher methodMatcher(indexerExpr->mTarget, mModule, "[]", mIndexerValues, BfMethodGenericArguments());
|
|
methodMatcher.mCheckedKind = checkedKind;
|
|
|
|
BfMethodDef* methodDef = NULL;
|
|
|
|
auto startCheckTypeInst = target.mType->ToTypeInstance();
|
|
auto lookupType = target.mType;
|
|
if (lookupType != NULL)
|
|
{
|
|
lookupType = BindGenericType(refNode, lookupType);
|
|
if (lookupType->IsGenericParam())
|
|
startCheckTypeInst = NULL;
|
|
}
|
|
|
|
for (int pass = 0; pass < 2; pass++)
|
|
{
|
|
bool isFailurePass = pass == 1;
|
|
|
|
BfPropertyDef* foundProp = NULL;
|
|
BfTypeInstance* foundPropTypeInst = NULL;
|
|
|
|
BfBaseClassWalker baseClassWalker(lookupType, NULL, mModule, true);
|
|
|
|
while (true)
|
|
{
|
|
auto checkEntry = baseClassWalker.Next();
|
|
auto curCheckType = checkEntry.mTypeInstance;
|
|
if (curCheckType == NULL)
|
|
break;
|
|
|
|
BfProtectionCheckFlags protectionCheckFlags = BfProtectionCheckFlag_None;
|
|
|
|
curCheckType->mTypeDef->PopulateMemberSets();
|
|
|
|
BfMemberSetEntry* entry;
|
|
BfPropertyDef* matchedProp = NULL;
|
|
BfPropertyDef* nextProp = NULL;
|
|
if (curCheckType->mTypeDef->mPropertySet.TryGetWith(String("[]"), &entry))
|
|
nextProp = (BfPropertyDef*)entry->mMemberDef;
|
|
|
|
while (nextProp != NULL)
|
|
{
|
|
auto prop = nextProp;
|
|
nextProp = nextProp->mNextWithSameName;
|
|
|
|
//TODO: Match against setMethod (minus last param) if we have no 'get' method
|
|
for (auto checkMethod : prop->mMethods)
|
|
{
|
|
if (checkMethod->mMethodType != BfMethodType_PropertyGetter)
|
|
continue;
|
|
|
|
if (checkMethod->mIsStatic != wantStatic)
|
|
continue;
|
|
|
|
if (checkMethod->mExplicitInterface != NULL)
|
|
continue;
|
|
|
|
auto autoComplete = GetAutoComplete();
|
|
bool wasCapturingMethodMatchInfo = false;
|
|
if (autoComplete != NULL)
|
|
{
|
|
// Set to false to make sure we don't capture method match info from 'params' array creation
|
|
wasCapturingMethodMatchInfo = autoComplete->mIsCapturingMethodMatchInfo;
|
|
autoComplete->mIsCapturingMethodMatchInfo = false;
|
|
}
|
|
|
|
defer
|
|
(
|
|
if (autoComplete != NULL)
|
|
autoComplete->mIsCapturingMethodMatchInfo = wasCapturingMethodMatchInfo;
|
|
);
|
|
|
|
if ((!isFailurePass) && (!methodMatcher.WantsCheckMethod(protectionCheckFlags, startCheckTypeInst, curCheckType, checkMethod)))
|
|
continue;
|
|
|
|
if (!methodMatcher.IsMemberAccessible(curCheckType, checkMethod->mDeclaringType))
|
|
continue;
|
|
|
|
methodMatcher.mCheckedKind = checkedKind;
|
|
methodMatcher.mTarget = target;
|
|
bool hadMatch = methodMatcher.CheckMethod(startCheckTypeInst, curCheckType, checkMethod, false);
|
|
|
|
if ((hadMatch) || (methodMatcher.mBackupMethodDef == checkMethod))
|
|
{
|
|
foundPropTypeInst = curCheckType;
|
|
foundProp = prop;
|
|
}
|
|
}
|
|
}
|
|
|
|
curCheckType = curCheckType->mBaseType;
|
|
}
|
|
|
|
if (foundProp != NULL)
|
|
{
|
|
mPropSrc = indexerExpr->mOpenBracket;
|
|
mPropDef = foundProp;
|
|
if (foundProp->mIsStatic)
|
|
{
|
|
mPropTarget = BfTypedValue(foundPropTypeInst);
|
|
}
|
|
else
|
|
{
|
|
if (target.mType != foundPropTypeInst)
|
|
mPropTarget = mModule->Cast(indexerExpr->mTarget, target, foundPropTypeInst);
|
|
else
|
|
mPropTarget = target;
|
|
}
|
|
mOrigPropTarget = mPropTarget;
|
|
if (isInlined)
|
|
mPropGetMethodFlags = (BfGetMethodInstanceFlags)(mPropGetMethodFlags | BfGetMethodInstanceFlag_ForceInline);
|
|
mPropCheckedKind = checkedKind;
|
|
|
|
if ((target.IsBase()) && (mPropDef->IsVirtual()))
|
|
mPropDefBypassVirtual = true;
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
mModule->Fail("Unable to find indexer property", indexerExpr->mTarget);
|
|
return;
|
|
}
|
|
|
|
bool wantsChecks = checkedKind == BfCheckedKind_Checked;
|
|
if (checkedKind == BfCheckedKind_NotSet)
|
|
wantsChecks = mModule->GetDefaultCheckedKind() == BfCheckedKind_Checked;
|
|
|
|
if (target.mType->IsVar())
|
|
{
|
|
mResult = target;
|
|
return;
|
|
}
|
|
|
|
if ((!target.mType->IsPointer()) && (!target.mType->IsSizedArray()))
|
|
{
|
|
mModule->Fail("Expected pointer or array type", indexerExpr->mTarget);
|
|
return;
|
|
}
|
|
|
|
auto _GetDefaultResult = [&]()
|
|
{
|
|
return mModule->GetDefaultTypedValue(target.mType->GetUnderlyingType(), false, BfDefaultValueKind_Addr);
|
|
};
|
|
|
|
if (indexerExpr->mArguments.size() != 1)
|
|
{
|
|
mModule->Fail("Expected single index", indexerExpr->mOpenBracket);
|
|
mResult = _GetDefaultResult();
|
|
return;
|
|
}
|
|
|
|
if (indexerExpr->mArguments[0] == NULL)
|
|
{
|
|
mModule->AssertErrorState();
|
|
mResult = _GetDefaultResult();
|
|
return;
|
|
}
|
|
|
|
bool isUndefIndex = false;
|
|
|
|
auto indexArgument = mModule->CreateValueFromExpression(indexerExpr->mArguments[0], mModule->GetPrimitiveType(BfTypeCode_IntPtr), BfEvalExprFlags_NoCast);
|
|
if (!indexArgument)
|
|
return;
|
|
if (!indexArgument.mType->IsIntegral())
|
|
{
|
|
if (indexArgument.mType->IsVar())
|
|
{
|
|
isUndefIndex = true;
|
|
indexArgument = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_IntPtr), false, BfDefaultValueKind_Undef);
|
|
}
|
|
else
|
|
{
|
|
indexArgument = mModule->Cast(indexerExpr->mArguments[0], indexArgument, mModule->GetPrimitiveType(BfTypeCode_IntPtr));
|
|
if (!indexArgument)
|
|
indexArgument = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_IntPtr));
|
|
}
|
|
}
|
|
|
|
if (indexArgument.mType->IsPrimitiveType())
|
|
{
|
|
auto primType = (BfPrimitiveType*)indexArgument.mType;
|
|
if ((!primType->IsSigned()) && (primType->mSize < 8))
|
|
{
|
|
// GEP will always do a signed upcast so we need to cast manually if we are unsigned
|
|
indexArgument = BfTypedValue(mModule->mBfIRBuilder->CreateNumericCast(indexArgument.mValue, false, BfTypeCode_IntPtr), mModule->GetPrimitiveType(BfTypeCode_IntPtr));
|
|
}
|
|
}
|
|
|
|
mModule->PopulateType(target.mType);
|
|
if (target.mType->IsSizedArray())
|
|
{
|
|
BfSizedArrayType* sizedArrayType = (BfSizedArrayType*)target.mType;
|
|
auto underlyingType = sizedArrayType->mElementType;
|
|
if (indexArgument.mValue.IsConst())
|
|
{
|
|
auto indexConst = mModule->mBfIRBuilder->GetConstant(indexArgument.mValue);
|
|
if ((BfIRBuilder::IsIntable(indexConst->mTypeCode)) && (indexConst->mUInt64 >= (uint64)sizedArrayType->mElementCount))
|
|
{
|
|
if ((!mModule->IsInSpecializedSection()) && (checkedKind != BfCheckedKind_Unchecked))
|
|
{
|
|
mModule->Fail(StrFormat("Index '%d' is out of bounds for type '%s'", indexConst->mInt32, mModule->TypeToString(target.mType).c_str()), indexerExpr->mArguments[0]);
|
|
mResult = _GetDefaultResult();
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
// Is this any good?
|
|
mModule->mBfIRBuilder->CreateUnreachable();
|
|
}
|
|
}
|
|
}
|
|
else if (((mModule->HasExecutedOutput()) || (mModule->mIsComptimeModule)) &&
|
|
(wantsChecks))
|
|
{
|
|
if (checkedKind == BfCheckedKind_NotSet)
|
|
checkedKind = mModule->GetDefaultCheckedKind();
|
|
if (checkedKind == BfCheckedKind_Checked)
|
|
{
|
|
auto oobBlock = mModule->mBfIRBuilder->CreateBlock("oob", true);
|
|
auto contBlock = mModule->mBfIRBuilder->CreateBlock("cont", true);
|
|
|
|
auto indexType = (BfPrimitiveType*)indexArgument.mType;
|
|
|
|
if (!mModule->mSystem->DoesLiteralFit(indexType->mTypeDef->mTypeCode, (int64)sizedArrayType->mElementCount))
|
|
{
|
|
// We need to upsize the index so we can compare it against the larger elementCount
|
|
indexType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
|
|
indexArgument = mModule->Cast(indexerExpr->mArguments[0], indexArgument, indexType);
|
|
}
|
|
|
|
auto cmpRes = mModule->mBfIRBuilder->CreateCmpGTE(indexArgument.mValue, mModule->mBfIRBuilder->CreateConst(indexType->mTypeDef->mTypeCode, (uint64)sizedArrayType->mElementCount), false);
|
|
mModule->mBfIRBuilder->CreateCondBr(cmpRes, oobBlock, contBlock);
|
|
|
|
mModule->mBfIRBuilder->SetInsertPoint(oobBlock);
|
|
auto internalType = mModule->ResolveTypeDef(mModule->mCompiler->mInternalTypeDef);
|
|
auto oobFunc = mModule->GetMethodByName(internalType->ToTypeInstance(), "ThrowIndexOutOfRange");
|
|
if (oobFunc.mFunc)
|
|
{
|
|
if (mModule->mIsComptimeModule)
|
|
mModule->mCompiler->mCeMachine->QueueMethod(oobFunc.mMethodInstance, oobFunc.mFunc);
|
|
|
|
SizedArray<BfIRValue, 1> args;
|
|
args.push_back(mModule->GetConstValue(0));
|
|
mModule->mBfIRBuilder->CreateCall(oobFunc.mFunc, args);
|
|
mModule->mBfIRBuilder->CreateUnreachable();
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail("System.Internal class must contain method 'ThrowIndexOutOfRange'");
|
|
}
|
|
|
|
mModule->mBfIRBuilder->SetInsertPoint(contBlock);
|
|
}
|
|
}
|
|
|
|
// If this is a 'bag of bytes', we should try hard not to have to make this addressable
|
|
if ((!target.IsAddr()) && (!target.mType->IsSizeAligned()))
|
|
mModule->MakeAddressable(target);
|
|
|
|
mModule->PopulateType(underlyingType);
|
|
if ((sizedArrayType->IsUndefSizedArray()) || (isUndefIndex))
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(underlyingType, false, BfDefaultValueKind_Addr);
|
|
}
|
|
else if (sizedArrayType->IsValuelessType())
|
|
{
|
|
if (underlyingType->IsValuelessType())
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), underlyingType, true);
|
|
else
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(underlyingType, false, BfDefaultValueKind_Addr);
|
|
}
|
|
}
|
|
else if (target.IsAddr())
|
|
{
|
|
if (target.mType->IsSizeAligned())
|
|
{
|
|
auto gepResult = mModule->mBfIRBuilder->CreateInBoundsGEP(target.mValue, mModule->GetConstValue(0), indexArgument.mValue);
|
|
mResult = BfTypedValue(gepResult, underlyingType, target.IsReadOnly() ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr);
|
|
}
|
|
else
|
|
{
|
|
auto indexResult = mModule->CreateIndexedValue(underlyingType, target.mValue, indexArgument.mValue);
|
|
mResult = BfTypedValue(indexResult, underlyingType, target.IsReadOnly() ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ((!target.mValue.IsConst()) && (!indexArgument.mValue.IsConst()))
|
|
{
|
|
mModule->Fail("Unable to index value", indexerExpr->mTarget);
|
|
return;
|
|
}
|
|
|
|
mModule->mBfIRBuilder->PopulateType(target.mType);
|
|
auto gepResult = mModule->mBfIRBuilder->CreateExtractValue(target.mValue, indexArgument.mValue);
|
|
|
|
if ((underlyingType->IsString()) || (underlyingType->IsPointer()))
|
|
{
|
|
auto resultConst = mModule->mBfIRBuilder->GetConstant(gepResult);
|
|
if ((resultConst != NULL) && (resultConst->mTypeCode == BfTypeCode_Int32))
|
|
{
|
|
int strId = resultConst->mInt32;
|
|
const StringImpl& str = mModule->mContext->mStringObjectIdMap[strId].mString;
|
|
|
|
if (underlyingType->IsString())
|
|
gepResult = mModule->GetStringObjectValue(str, false);
|
|
else
|
|
gepResult = mModule->GetStringCharPtr(strId);
|
|
}
|
|
}
|
|
|
|
mResult = BfTypedValue(gepResult, underlyingType, BfTypedValueKind_Value);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// We are no longer accessing data within this type
|
|
mResultLocalVar = NULL;
|
|
|
|
target = mModule->LoadValue(target);
|
|
BfPointerType* pointerType = (BfPointerType*)target.mType;
|
|
auto underlyingType = pointerType->mElementType;
|
|
mModule->mBfIRBuilder->PopulateType(underlyingType);
|
|
|
|
if (isUndefIndex)
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(underlyingType, false, BfDefaultValueKind_Addr);
|
|
}
|
|
else
|
|
{
|
|
BfIRValue result = mModule->CreateIndexedValue(underlyingType, target.mValue, indexArgument.mValue);
|
|
mResult = BfTypedValue(result, underlyingType, true);
|
|
}
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfUnaryOperatorExpression* unaryOpExpr)
|
|
{
|
|
BfAutoParentNodeEntry autoParentNodeEntry(mModule, unaryOpExpr);
|
|
PerformUnaryOperation(unaryOpExpr->mExpression, unaryOpExpr->mOp, unaryOpExpr->mOpToken, BfUnaryOpFlag_None);
|
|
}
|
|
|
|
void BfExprEvaluator::PerformUnaryOperation(BfExpression* unaryOpExpr, BfUnaryOp unaryOp, BfTokenNode* opToken, BfUnaryOpFlags opFlags)
|
|
{
|
|
if ((unaryOpExpr == NULL) && (unaryOp == BfUnaryOp_PartialRangeThrough))
|
|
{
|
|
PerformBinaryOperation(NULL, NULL, BfBinaryOp_ClosedRange, opToken, BfBinOpFlag_None);
|
|
return;
|
|
}
|
|
|
|
///
|
|
{
|
|
// If this is a cast, we don't want the value to be coerced before the unary operator is applied.
|
|
// WAIT: Why not?
|
|
//SetAndRestoreValue<BfType*> prevExpectingType(mExpectingType, NULL);
|
|
|
|
BfType* prevExpedcting = mExpectingType;
|
|
switch (unaryOp)
|
|
{
|
|
case BfUnaryOp_Ref:
|
|
// Allow
|
|
break;
|
|
case BfUnaryOp_Dereference:
|
|
if (mExpectingType != NULL)
|
|
{
|
|
if (mExpectingType->IsRef())
|
|
mExpectingType = mExpectingType->GetUnderlyingType();
|
|
if (!mExpectingType->IsVar())
|
|
mExpectingType = mModule->CreatePointerType(mExpectingType);
|
|
}
|
|
break;
|
|
case BfUnaryOp_Negate:
|
|
case BfUnaryOp_Positive:
|
|
case BfUnaryOp_InvertBits:
|
|
// If we're expecting an int64 or uint64 then just leave the type as unknown
|
|
if ((mExpectingType != NULL) && (mExpectingType->IsInteger()) && (mExpectingType->mSize == 8))
|
|
mExpectingType = NULL;
|
|
// Otherwise keep expecting type
|
|
break;
|
|
default:
|
|
mExpectingType = NULL;
|
|
}
|
|
VisitChild(unaryOpExpr);
|
|
mExpectingType = prevExpedcting;
|
|
}
|
|
|
|
BfExprEvaluator::PerformUnaryOperation_OnResult(unaryOpExpr, unaryOp, opToken, opFlags);
|
|
}
|
|
|
|
BfTypedValue BfExprEvaluator::PerformUnaryOperation_TryOperator(const BfTypedValue& inValue, BfExpression* unaryOpExpr, BfUnaryOp unaryOp, BfTokenNode* opToken, BfUnaryOpFlags opFlags)
|
|
{
|
|
if ((!inValue.mType->IsTypeInstance()) && (!inValue.mType->IsGenericParam()))
|
|
return BfTypedValue();
|
|
|
|
SizedArray<BfResolvedArg, 1> args;
|
|
BfResolvedArg resolvedArg;
|
|
resolvedArg.mTypedValue = inValue;
|
|
args.push_back(resolvedArg);
|
|
BfMethodMatcher methodMatcher(opToken, mModule, "", args, BfMethodGenericArguments());
|
|
methodMatcher.mBfEvalExprFlags = BfEvalExprFlags_NoAutoComplete;
|
|
methodMatcher.mAllowImplicitRef = true;
|
|
BfBaseClassWalker baseClassWalker(inValue.mType, NULL, mModule);
|
|
|
|
BfUnaryOp findOp = unaryOp;
|
|
bool isPostOp = false;
|
|
|
|
if (findOp == BfUnaryOp_PostIncrement)
|
|
{
|
|
findOp = BfUnaryOp_Increment;
|
|
isPostOp = true;
|
|
}
|
|
|
|
if (findOp == BfUnaryOp_PostDecrement)
|
|
{
|
|
findOp = BfUnaryOp_Decrement;
|
|
isPostOp = true;
|
|
}
|
|
|
|
bool isConstraintCheck = ((opFlags & BfUnaryOpFlag_IsConstraintCheck) != 0);
|
|
|
|
BfType* operatorConstraintReturnType = NULL;
|
|
BfType* bestSelfType = NULL;
|
|
while (true)
|
|
{
|
|
auto entry = baseClassWalker.Next();
|
|
auto checkType = entry.mTypeInstance;
|
|
if (checkType == NULL)
|
|
break;
|
|
for (auto operatorDef : checkType->mTypeDef->mOperators)
|
|
{
|
|
if (operatorDef->mOperatorDeclaration->mUnaryOp == findOp)
|
|
{
|
|
if (!methodMatcher.IsMemberAccessible(checkType, operatorDef->mDeclaringType))
|
|
continue;
|
|
|
|
int prevArgSize = (int)args.mSize;
|
|
if (!operatorDef->mIsStatic)
|
|
{
|
|
// Try without arg
|
|
args.mSize = 0;
|
|
}
|
|
if (isConstraintCheck)
|
|
{
|
|
auto returnType = mModule->CheckOperator(checkType, operatorDef, inValue, BfTypedValue());
|
|
if (returnType != NULL)
|
|
{
|
|
operatorConstraintReturnType = returnType;
|
|
methodMatcher.mBestMethodDef = operatorDef;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (methodMatcher.CheckMethod(NULL, checkType, operatorDef, false))
|
|
methodMatcher.mSelfType = entry.mSrcType;
|
|
}
|
|
args.mSize = prevArgSize;
|
|
}
|
|
}
|
|
}
|
|
|
|
methodMatcher.FlushAmbiguityError();
|
|
|
|
if (methodMatcher.mBestMethodDef == NULL)
|
|
{
|
|
// Check method generic constraints
|
|
if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsUnspecialized) && (mModule->mCurMethodInstance->mMethodInfoEx != NULL))
|
|
{
|
|
for (int genericParamIdx = 0; genericParamIdx < mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams.size(); genericParamIdx++)
|
|
{
|
|
auto genericParam = mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams[genericParamIdx];
|
|
for (auto& opConstraint : genericParam->mOperatorConstraints)
|
|
{
|
|
if (opConstraint.mUnaryOp == findOp)
|
|
{
|
|
if (mModule->CanCast(args[0].mTypedValue, opConstraint.mRightType, isConstraintCheck ? BfCastFlags_IsConstraintCheck : BfCastFlags_None))
|
|
{
|
|
return BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), genericParam->mExternType);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check type generic constraints
|
|
if ((mModule->mCurTypeInstance->IsGenericTypeInstance()) && (mModule->mCurTypeInstance->IsUnspecializedType()))
|
|
{
|
|
auto genericTypeInst = (BfTypeInstance*)mModule->mCurTypeInstance;
|
|
for (int genericParamIdx = 0; genericParamIdx < genericTypeInst->mGenericTypeInfo->mGenericParams.size(); genericParamIdx++)
|
|
{
|
|
auto genericParam = mModule->GetGenericTypeParamInstance(genericParamIdx);
|
|
for (auto& opConstraint : genericParam->mOperatorConstraints)
|
|
{
|
|
if (opConstraint.mUnaryOp == findOp)
|
|
{
|
|
if (mModule->CanCast(args[0].mTypedValue, opConstraint.mRightType, isConstraintCheck ? BfCastFlags_IsConstraintCheck : BfCastFlags_None))
|
|
{
|
|
return BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), genericParam->mExternType);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return BfTypedValue();
|
|
}
|
|
|
|
if ((!baseClassWalker.mMayBeFromInterface) && (opToken != NULL))
|
|
mModule->SetElementType(opToken, BfSourceElementType_Method);
|
|
|
|
auto methodDef = methodMatcher.mBestMethodDef;
|
|
auto autoComplete = GetAutoComplete();
|
|
if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(opToken)))
|
|
{
|
|
auto operatorDecl = BfNodeDynCast<BfOperatorDeclaration>(methodDef->mMethodDeclaration);
|
|
if ((operatorDecl != NULL) && (operatorDecl->mOpTypeToken != NULL))
|
|
autoComplete->SetDefinitionLocation(operatorDecl->mOpTypeToken);
|
|
}
|
|
|
|
SizedArray<BfExpression*, 2> argSrcs;
|
|
argSrcs.push_back(unaryOpExpr);
|
|
|
|
BfTypedValue targetVal = args[0].mTypedValue;
|
|
BfTypedValue postOpVal;
|
|
if (isPostOp)
|
|
postOpVal = mModule->LoadValue(targetVal);
|
|
|
|
BfTypedValue callTarget;
|
|
if (!methodMatcher.mBestMethodDef->mIsStatic)
|
|
{
|
|
callTarget = targetVal;
|
|
args.Clear();
|
|
}
|
|
|
|
BfTypedValue result;
|
|
if (isConstraintCheck)
|
|
{
|
|
result = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), operatorConstraintReturnType);
|
|
}
|
|
else
|
|
{
|
|
SetAndRestoreValue<BfEvalExprFlags> prevFlags(mBfEvalExprFlags, (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_NoAutoComplete));
|
|
SetAndRestoreValue<BfAstNode*> prevDeferCallRef(mDeferCallRef, NULL);
|
|
result = CreateCall(&methodMatcher, callTarget);
|
|
}
|
|
|
|
if (!methodMatcher.mBestMethodDef->mIsStatic)
|
|
{
|
|
if (!isPostOp)
|
|
result = mModule->LoadValue(targetVal);
|
|
}
|
|
else if ((result.mType != NULL) && (methodMatcher.mSelfType != NULL) && (result.mType->IsSelf()))
|
|
{
|
|
BF_ASSERT(mModule->IsInGeneric());
|
|
result = mModule->GetDefaultTypedValue(methodMatcher.mSelfType);
|
|
}
|
|
|
|
if ((methodMatcher.mBestMethodInstance) &&
|
|
((findOp == BfUnaryOp_Increment) || (findOp == BfUnaryOp_Decrement)))
|
|
{
|
|
if (methodMatcher.mBestMethodInstance.mMethodInstance->mIsIntrinsic)
|
|
{
|
|
if (args[0].mTypedValue.IsAddr())
|
|
mModule->mBfIRBuilder->CreateStore(result.mValue, args[0].mTypedValue.mValue);
|
|
else
|
|
{
|
|
mModule->AssertErrorState();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!result.mType->IsValuelessType())
|
|
{
|
|
if (targetVal.IsAddr())
|
|
{
|
|
result = mModule->LoadValue(result);
|
|
mModule->mBfIRBuilder->CreateStore(result.mValue, targetVal.mValue);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (postOpVal)
|
|
result = postOpVal;
|
|
return result;
|
|
}
|
|
|
|
void BfExprEvaluator::PerformUnaryOperation_OnResult(BfExpression* unaryOpExpr, BfUnaryOp unaryOp, BfTokenNode* opToken, BfUnaryOpFlags opFlags)
|
|
{
|
|
BfAstNode* propSrc = mPropSrc;
|
|
BfTypedValue origPropTarget = mOrigPropTarget;
|
|
BfTypedValue propTarget = mPropTarget;
|
|
BfPropertyDef* propDef = mPropDef;
|
|
SizedArray<BfResolvedArg, 2> indexerVals = mIndexerValues;
|
|
BfTypedValue writeToProp;
|
|
|
|
GetResult();
|
|
if (!mResult)
|
|
return;
|
|
|
|
mResult = mModule->RemoveRef(mResult);
|
|
|
|
if (mResult.mType->IsVar())
|
|
{
|
|
mResult = BfTypedValue(mModule->GetDefaultValue(mResult.mType), mResult.mType);
|
|
return;
|
|
}
|
|
|
|
if (BfCanOverloadOperator(unaryOp))
|
|
{
|
|
auto opResult = PerformUnaryOperation_TryOperator(mResult, unaryOpExpr, unaryOp, opToken, opFlags);
|
|
if (opResult)
|
|
{
|
|
mResult = opResult;
|
|
return;
|
|
}
|
|
}
|
|
|
|
switch (unaryOp)
|
|
{
|
|
case BfUnaryOp_PostIncrement:
|
|
case BfUnaryOp_Increment:
|
|
case BfUnaryOp_PostDecrement:
|
|
case BfUnaryOp_Decrement:
|
|
{
|
|
if (mResult.mKind == BfTypedValueKind_CopyOnMutateAddr)
|
|
{
|
|
// Support this ops on direct auto-property access without a copy
|
|
mResult.mKind = BfTypedValueKind_Addr;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
bool numericFail = false;
|
|
switch (unaryOp)
|
|
{
|
|
case BfUnaryOp_Not:
|
|
{
|
|
CheckResultForReading(mResult);
|
|
auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
|
|
auto value = mModule->LoadValue(mResult);
|
|
value = mModule->Cast(unaryOpExpr, value, boolType);
|
|
if (!value)
|
|
{
|
|
mResult = BfTypedValue();
|
|
return;
|
|
}
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateNot(value.mValue), boolType);
|
|
}
|
|
break;
|
|
case BfUnaryOp_Positive:
|
|
return;
|
|
case BfUnaryOp_Negate:
|
|
{
|
|
CheckResultForReading(mResult);
|
|
auto value = mModule->LoadValue(mResult);
|
|
if (!value)
|
|
{
|
|
mResult = BfTypedValue();
|
|
return;
|
|
}
|
|
|
|
BfType* origType = value.mType;
|
|
if (value.mType->IsTypedPrimitive())
|
|
value.mType = value.mType->GetUnderlyingType();
|
|
|
|
if (value.mType->IsIntegral())
|
|
{
|
|
auto primType = (BfPrimitiveType*)value.mType;
|
|
auto wantType = primType;
|
|
|
|
auto constant = mModule->mBfIRBuilder->GetConstant(value.mValue);
|
|
if ((constant != NULL) && (mModule->mBfIRBuilder->IsInt(constant->mTypeCode)))
|
|
{
|
|
if ((primType->mTypeDef->mTypeCode == BfTypeCode_UInt32) && (constant->mInt64 == 0x80000000LL))
|
|
{
|
|
mResult = BfTypedValue(mModule->GetConstValue32(-0x80000000LL), mModule->GetPrimitiveType(BfTypeCode_Int32));
|
|
return;
|
|
}
|
|
else if ((primType->mTypeDef->mTypeCode == BfTypeCode_UInt64) && (constant->mInt64 == 0x8000000000000000LL))
|
|
{
|
|
mResult = BfTypedValue(mModule->GetConstValue64(-0x8000000000000000LL), mModule->GetPrimitiveType(BfTypeCode_Int64));
|
|
return;
|
|
}
|
|
}
|
|
|
|
/*if (auto constantInt = dyn_cast<ConstantInt>((Value*)value.mValue))
|
|
{
|
|
int64 i64Val = constantInt->getSExtValue();
|
|
// This is a special case where the user entered -0x80000000 (maxint) but we thought "0x80000000" was a uint in the parser
|
|
// which would get upcasted to an int64 for this negate. Properly bring back down to an int32
|
|
if ((primType->mTypeDef->mTypeCode == BfTypeCode_UInt32) && (i64Val == -0x80000000LL))
|
|
{
|
|
mResult = BfTypedValue(mModule->GetConstValue((int)i64Val), mModule->GetPrimitiveType(BfTypeCode_Int32));
|
|
return;
|
|
}
|
|
}*/
|
|
|
|
if (!primType->IsSigned())
|
|
{
|
|
if (primType->mSize == 1)
|
|
wantType = mModule->GetPrimitiveType(BfTypeCode_Int16);
|
|
else if (primType->mSize == 2)
|
|
wantType = mModule->GetPrimitiveType(BfTypeCode_Int32);
|
|
else if (primType->mSize == 4)
|
|
wantType = mModule->GetPrimitiveType(BfTypeCode_Int64);
|
|
else
|
|
mModule->Fail("Operator '-' cannot be applied to uint64", opToken);
|
|
}
|
|
|
|
if (primType != wantType)
|
|
{
|
|
value = mModule->Cast(unaryOpExpr, value, wantType, BfCastFlags_Explicit);
|
|
if (!value)
|
|
{
|
|
mResult = BfTypedValue();
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (origType->mSize == wantType->mSize) // Allow negative of primitive typed but not if we had to upsize
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateNeg(value.mValue), origType);
|
|
else
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateNeg(value.mValue), wantType);
|
|
}
|
|
else if (value.mType->IsFloat())
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateNeg(value.mValue), origType);
|
|
else
|
|
{
|
|
ResolveGenericType();
|
|
if (mResult.mType->IsVar())
|
|
break;
|
|
numericFail = true;
|
|
}
|
|
}
|
|
break;
|
|
case BfUnaryOp_InvertBits:
|
|
{
|
|
CheckResultForReading(mResult);
|
|
auto value = mModule->LoadValue(mResult);
|
|
if (!value)
|
|
return;
|
|
bool isInteger = value.mType->IsIntegral();
|
|
if (value.mType->IsTypedPrimitive())
|
|
isInteger = value.mType->GetUnderlyingType()->IsIntegral();
|
|
if (!isInteger)
|
|
{
|
|
mResult = BfTypedValue();
|
|
mModule->Fail("Operator can only be used on integer types", opToken);
|
|
return;
|
|
}
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateNot(value.mValue), value.mType);
|
|
}
|
|
break;
|
|
case BfUnaryOp_AddressOf:
|
|
{
|
|
MarkResultUsed();
|
|
|
|
mModule->FixIntUnknown(mResult);
|
|
mModule->PopulateType(mResult.mType);
|
|
auto ptrType = mModule->CreatePointerType(mResult.mType);
|
|
if (mResult.mType->IsValuelessType())
|
|
{
|
|
if (!mModule->IsInSpecializedSection())
|
|
{
|
|
mModule->Warn(0, StrFormat("Operator '&' results in a sentinel address for zero-sized type '%s'",
|
|
mModule->TypeToString(mResult.mType).c_str()), opToken);
|
|
}
|
|
|
|
// Sentinel value
|
|
auto val = mModule->mBfIRBuilder->CreateIntToPtr(mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, 1), mModule->mBfIRBuilder->MapType(ptrType));
|
|
mResult = BfTypedValue(val, ptrType);
|
|
}
|
|
else if (!CheckModifyResult(mResult, unaryOpExpr, "take address of", false, true))
|
|
{
|
|
if (!mResult.IsAddr())
|
|
mResult = mModule->MakeAddressable(mResult, false, true);
|
|
mResult = BfTypedValue(mResult.mValue, ptrType, false);
|
|
}
|
|
else
|
|
mResult = BfTypedValue(mResult.mValue, ptrType, false);
|
|
}
|
|
break;
|
|
case BfUnaryOp_Dereference:
|
|
{
|
|
CheckResultForReading(mResult);
|
|
if (!mResult.mType->IsPointer())
|
|
{
|
|
mResult = BfTypedValue();
|
|
mModule->Fail("Cannot dereference non-pointer type", unaryOpExpr);
|
|
return;
|
|
}
|
|
|
|
if (mResult.mValue.IsConst())
|
|
{
|
|
auto constant = mModule->mBfIRBuilder->GetConstant(mResult.mValue);
|
|
bool isNull = constant->mTypeCode == BfTypeCode_NullPtr;
|
|
|
|
if (constant->mConstType == BfConstType_ExtractValue)
|
|
{
|
|
auto constExtract = (BfConstantExtractValue*)constant;
|
|
auto targetConst = mModule->mBfIRBuilder->GetConstantById(constExtract->mTarget);
|
|
if (targetConst->mConstType == BfConstType_AggZero)
|
|
isNull = true;
|
|
}
|
|
|
|
if (isNull)
|
|
{
|
|
mModule->Warn(0, "Cannot dereference a null pointer", unaryOpExpr);
|
|
mResult = mModule->GetDefaultTypedValue(mResult.mType, false, BfDefaultValueKind_Addr);
|
|
mResult = mModule->LoadValue(mResult);
|
|
}
|
|
}
|
|
|
|
auto derefTarget = mModule->LoadValue(mResult);
|
|
|
|
BfPointerType* pointerType = (BfPointerType*)derefTarget.mType;
|
|
auto resolvedType = pointerType->mElementType;
|
|
mModule->PopulateType(resolvedType);
|
|
if (resolvedType->IsValuelessType())
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), resolvedType, true);
|
|
else
|
|
mResult = BfTypedValue(derefTarget.mValue, resolvedType, true);
|
|
}
|
|
break;
|
|
case BfUnaryOp_PostIncrement:
|
|
case BfUnaryOp_Increment:
|
|
{
|
|
CheckResultForReading(mResult);
|
|
auto ptr = mResult;
|
|
//if ((propDef == NULL) && (!mModule->CheckModifyValue(ptr, opToken)))
|
|
if ((propDef == NULL) && (!CheckModifyResult(ptr, opToken, "increment")))
|
|
return;
|
|
BfTypedValue origTypedVal = mModule->LoadValue(ptr, NULL, mIsVolatileReference);
|
|
BfIRValue origVal = origTypedVal.mValue;
|
|
BfIRValue constValue = mModule->GetConstValue(1, ptr.mType);
|
|
BfIRValue resultValue;
|
|
|
|
if (ptr.mType->IsPointer())
|
|
{
|
|
BfPointerType* ptrType = (BfPointerType*)ptr.mType;
|
|
BfType* intPtrType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
|
|
constValue = mModule->GetConstValue(ptrType->mElementType->GetStride(), intPtrType);
|
|
|
|
auto i8PtrType = mModule->mBfIRBuilder->GetPointerTo(mModule->mBfIRBuilder->GetPrimitiveType(BfTypeCode_Int8));
|
|
BfIRValue origPtrValue = mModule->mBfIRBuilder->CreateBitCast(origVal, i8PtrType);
|
|
BfIRValue newPtrValue = mModule->mBfIRBuilder->CreateInBoundsGEP(origPtrValue, constValue);
|
|
resultValue = mModule->mBfIRBuilder->CreateBitCast(newPtrValue, mModule->mBfIRBuilder->MapType(ptr.mType));
|
|
}
|
|
else
|
|
{
|
|
constValue = mModule->GetConstValue(1, ptr.mType);
|
|
if (!constValue)
|
|
{
|
|
numericFail = true;
|
|
break;
|
|
}
|
|
if ((ptr.mType->IsIntegral()) || (ptr.mType->IsEnum()) || (ptr.mType->IsFloat()))
|
|
{
|
|
resultValue = mModule->mBfIRBuilder->CreateAdd(origVal, constValue/*, "inc"*/);
|
|
}
|
|
else
|
|
{
|
|
numericFail = true;
|
|
break;
|
|
}
|
|
}
|
|
if ((propDef != NULL) && (!ptr.IsAddr()))
|
|
writeToProp = BfTypedValue(resultValue, ptr.mType);
|
|
else
|
|
mModule->mBfIRBuilder->CreateAlignedStore(resultValue, ptr.mValue, ptr.mType->mAlign, mIsVolatileReference);
|
|
if (unaryOp == BfUnaryOp_PostIncrement)
|
|
mResult = BfTypedValue(origVal, ptr.mType, false);
|
|
else
|
|
mResult = BfTypedValue(resultValue, ptr.mType, false);
|
|
}
|
|
break;
|
|
case BfUnaryOp_PostDecrement:
|
|
case BfUnaryOp_Decrement:
|
|
{
|
|
CheckResultForReading(mResult);
|
|
auto ptr = mResult;
|
|
//if ((propDef == NULL) && (!mModule->CheckModifyValue(ptr, opToken)))
|
|
//return;
|
|
if ((propDef == NULL) && (!CheckModifyResult(ptr, opToken, "decrement")))
|
|
return;
|
|
BfTypedValue origTypedVal = mModule->LoadValue(ptr, NULL, mIsVolatileReference);
|
|
BfIRValue origVal = origTypedVal.mValue;
|
|
BfIRValue constValue = mModule->GetConstValue(1, ptr.mType);
|
|
BfIRValue resultValue;
|
|
|
|
if (ptr.mType->IsPointer())
|
|
{
|
|
BfPointerType* ptrType = (BfPointerType*)ptr.mType;
|
|
BfType* intPtrType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
|
|
constValue = mModule->GetConstValue(-ptrType->mElementType->GetStride(), intPtrType);
|
|
|
|
auto i8PtrType = mModule->mBfIRBuilder->GetPointerTo(mModule->mBfIRBuilder->GetPrimitiveType(BfTypeCode_Int8));
|
|
BfIRValue origPtrValue = mModule->mBfIRBuilder->CreateBitCast(origVal, i8PtrType);
|
|
BfIRValue newPtrValue = mModule->mBfIRBuilder->CreateInBoundsGEP(origPtrValue, constValue);
|
|
resultValue = mModule->mBfIRBuilder->CreateBitCast(newPtrValue, mModule->mBfIRBuilder->MapType(ptr.mType));
|
|
}
|
|
else
|
|
{
|
|
BfIRValue constValue = mModule->GetConstValue(1, ptr.mType);
|
|
if (!constValue)
|
|
{
|
|
numericFail = true;
|
|
break;
|
|
}
|
|
if ((ptr.mType->IsIntegral()) || (ptr.mType->IsEnum()))
|
|
{
|
|
resultValue = mModule->mBfIRBuilder->CreateSub(origVal, constValue);
|
|
}
|
|
else if (ptr.mType->IsFloat())
|
|
{
|
|
resultValue = mModule->mBfIRBuilder->CreateSub(origVal, constValue);
|
|
}
|
|
else
|
|
{
|
|
numericFail = true;
|
|
break;
|
|
}
|
|
}
|
|
if ((propDef != NULL) && (!ptr.IsAddr()))
|
|
writeToProp = BfTypedValue(resultValue, ptr.mType);
|
|
else
|
|
mModule->mBfIRBuilder->CreateAlignedStore(resultValue, ptr.mValue, ptr.mType->mAlign, mIsVolatileReference);
|
|
if (unaryOp == BfUnaryOp_PostDecrement)
|
|
mResult = BfTypedValue(origVal, ptr.mType, false);
|
|
else
|
|
mResult = BfTypedValue(resultValue, ptr.mType, false);
|
|
}
|
|
break;
|
|
case BfUnaryOp_Ref:
|
|
case BfUnaryOp_Mut:
|
|
{
|
|
if (mAllowReadOnlyReference)
|
|
{
|
|
if (mResult.mKind == BfTypedValueKind_ReadOnlyAddr)
|
|
mResult.mKind = BfTypedValueKind_Addr;
|
|
}
|
|
|
|
CheckResultForReading(mResult);
|
|
|
|
if ((unaryOp == BfUnaryOp_Mut) && (!mResult.mType->IsValueType()) && (!mResult.mType->IsGenericParam()))
|
|
{
|
|
// Non-valuetypes types are already mutable, leave them alone...
|
|
break;
|
|
}
|
|
|
|
if ((unaryOp != BfUnaryOp_Mut) || (mResult.mKind != BfTypedValueKind_MutableValue))
|
|
{
|
|
if (!CheckModifyResult(mResult, unaryOpExpr, StrFormat("use '%s' on", BfGetOpName(unaryOp)).c_str()))
|
|
{
|
|
// Just leave the non-ref version in mResult
|
|
return;
|
|
}
|
|
}
|
|
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_AllowRefExpr) == 0)
|
|
{
|
|
mResult = BfTypedValue();
|
|
mModule->Fail(StrFormat("Invalid usage of '%s' expression", BfGetOpName(unaryOp)), opToken);
|
|
return;
|
|
}
|
|
|
|
ResolveGenericType();
|
|
if (mResult.mType->IsVar())
|
|
break;
|
|
mResult = BfTypedValue(mResult.mValue, mModule->CreateRefType(mResult.mType, (unaryOp == BfUnaryOp_Ref) ? BfRefType::RefKind_Ref : BfRefType::RefKind_Mut));
|
|
}
|
|
break;
|
|
case BfUnaryOp_Out:
|
|
{
|
|
if (!CheckModifyResult(mResult, unaryOpExpr, "use 'out' on"))
|
|
{
|
|
// Just leave the non-ref version in mResult
|
|
return;
|
|
}
|
|
|
|
if ((mBfEvalExprFlags & BfEvalExprFlags_AllowOutExpr) == 0)
|
|
{
|
|
mModule->Fail("Invalid usage of 'out' expression", opToken);
|
|
return;
|
|
}
|
|
|
|
if (mInsidePendingNullable)
|
|
{
|
|
// 'out' inside null conditionals never actually causes a definite assignment...
|
|
}
|
|
else
|
|
MarkResultAssigned();
|
|
|
|
MarkResultUsed();
|
|
ResolveGenericType();
|
|
if (mResult.mType->IsVar())
|
|
break;
|
|
mResult = BfTypedValue(mResult.mValue, mModule->CreateRefType(mResult.mType, BfRefType::RefKind_Out));
|
|
}
|
|
break;
|
|
case BfUnaryOp_Params:
|
|
{
|
|
bool allowParams = (mBfEvalExprFlags & BfEvalExprFlags_AllowParamsExpr) != 0;
|
|
if (allowParams)
|
|
{
|
|
if ((mResultLocalVar != NULL) && (mResultLocalVar->mCompositeCount >= 0)) // Delegate params
|
|
{
|
|
allowParams = true;
|
|
}
|
|
else
|
|
{
|
|
auto origValue = mResult;
|
|
auto isValid = false;
|
|
|
|
for (int pass = 0; pass < 2; pass++)
|
|
{
|
|
auto typeInst = mResult.mType->ToTypeInstance();
|
|
auto genericTypeInst = mResult.mType->ToGenericTypeInstance();
|
|
if ((genericTypeInst != NULL) && (genericTypeInst->IsInstanceOf(mModule->mCompiler->mSpanTypeDef)))
|
|
isValid = true;
|
|
else if ((mResult.mType->IsArray()) || (mResult.mType->IsSizedArray()))
|
|
isValid = true;
|
|
else if ((typeInst != NULL) && (pass == 0))
|
|
{
|
|
BfBaseClassWalker baseClassWalker(typeInst, NULL, mModule);
|
|
|
|
BfType* bestCastType = NULL;
|
|
while (true)
|
|
{
|
|
auto entry = baseClassWalker.Next();
|
|
auto checkType = entry.mTypeInstance;
|
|
if (checkType == NULL)
|
|
break;
|
|
for (auto operatorDef : checkType->mTypeDef->mOperators)
|
|
{
|
|
if (operatorDef->mOperatorDeclaration->mIsConvOperator)
|
|
{
|
|
if (operatorDef->IsExplicit())
|
|
continue;
|
|
|
|
auto methodInstance = mModule->GetRawMethodInstanceAtIdx(typeInst, operatorDef->mIdx);
|
|
|
|
auto checkType = methodInstance->mReturnType;
|
|
if (checkType->IsInstanceOf(mModule->mCompiler->mSpanTypeDef))
|
|
bestCastType = checkType;
|
|
else if ((checkType->IsArray()) || (checkType->IsSizedArray()))
|
|
bestCastType = checkType;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bestCastType == NULL)
|
|
break;
|
|
auto castTypedValue = mModule->Cast(opToken, mResult, bestCastType, BfCastFlags_SilentFail);
|
|
if (!castTypedValue)
|
|
break;
|
|
mResult = castTypedValue;
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
|
|
if (!isValid)
|
|
{
|
|
mModule->Fail(StrFormat("A 'params' expression cannot be used on type '%s'", mModule->TypeToString(origValue.mType).c_str()), opToken);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (allowParams)
|
|
{
|
|
mResult = mModule->LoadValue(mResult);
|
|
if (mResult.IsSplat())
|
|
mResult.mKind = BfTypedValueKind_ParamsSplat;
|
|
else
|
|
mResult.mKind = BfTypedValueKind_Params;
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail("Illegal use of 'params' expression", opToken);
|
|
}
|
|
}
|
|
break;
|
|
case BfUnaryOp_Cascade:
|
|
{
|
|
mModule->Fail("Illegal use of argument cascade expression", opToken);
|
|
}
|
|
break;
|
|
case BfUnaryOp_FromEnd:
|
|
{
|
|
CheckResultForReading(mResult);
|
|
auto value = mModule->Cast(unaryOpExpr, mResult, mModule->GetPrimitiveType(BfTypeCode_IntPtr));
|
|
value = mModule->LoadValue(value);
|
|
if (value)
|
|
{
|
|
auto indexType = mModule->ResolveTypeDef(mModule->mCompiler->mIndexTypeDef);
|
|
auto alloca = mModule->CreateAlloca(indexType);
|
|
mModule->mBfIRBuilder->CreateStore(value.mValue, mModule->mBfIRBuilder->CreateInBoundsGEP(mModule->mBfIRBuilder->CreateInBoundsGEP(alloca, 0, 1), 0, 1));
|
|
mModule->mBfIRBuilder->CreateStore(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int8, 1), mModule->mBfIRBuilder->CreateInBoundsGEP(alloca, 0, 2));
|
|
mResult = BfTypedValue(alloca, indexType, BfTypedValueKind_Addr);
|
|
}
|
|
}
|
|
break;
|
|
case BfUnaryOp_PartialRangeUpTo:
|
|
PerformBinaryOperation(NULL, unaryOpExpr, BfBinaryOp_Range, opToken, BfBinOpFlag_None);
|
|
break;
|
|
case BfUnaryOp_PartialRangeThrough:
|
|
PerformBinaryOperation(NULL, unaryOpExpr, BfBinaryOp_ClosedRange, opToken, BfBinOpFlag_None);
|
|
break;
|
|
case BfUnaryOp_PartialRangeFrom:
|
|
PerformBinaryOperation(unaryOpExpr, NULL, BfBinaryOp_ClosedRange, opToken, BfBinOpFlag_None);
|
|
break;
|
|
default:
|
|
mModule->Fail(StrFormat("Illegal use of '%s' unary operator", BfGetOpName(unaryOp)), unaryOpExpr);
|
|
break;
|
|
}
|
|
|
|
if (numericFail)
|
|
{
|
|
if (opToken == NULL)
|
|
{
|
|
BF_ASSERT(mModule->mBfIRBuilder->mIgnoreWrites);
|
|
}
|
|
else if ((mResult.mType != NULL) && (mResult.mType->IsInterface()))
|
|
{
|
|
mModule->Fail(
|
|
StrFormat("Operator '%s' cannot be used on interface '%s'. Consider rewriting using generics and use this interface as a generic constraint.",
|
|
BfTokenToString(opToken->mToken), mModule->TypeToString(mResult.mType).c_str()), opToken);
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail(
|
|
StrFormat("Operator '%s' cannot be used because type '%s' is neither a numeric type nor does it define an applicable operator overload",
|
|
BfTokenToString(opToken->mToken), mModule->TypeToString(mResult.mType).c_str()), opToken);
|
|
}
|
|
mResult = BfTypedValue();
|
|
}
|
|
|
|
if (writeToProp)
|
|
{
|
|
auto setMethod = GetPropertyMethodDef(propDef, BfMethodType_PropertySetter, mPropCheckedKind, mPropTarget);
|
|
if (setMethod == NULL)
|
|
{
|
|
mModule->Fail("Property has no setter", propSrc);
|
|
return;
|
|
}
|
|
|
|
auto methodInstance = GetPropertyMethodInstance(setMethod);
|
|
if (!methodInstance.mFunc)
|
|
return;
|
|
|
|
if (propSrc != NULL)
|
|
mModule->UpdateExprSrcPos(propSrc);
|
|
|
|
SizedArray<BfIRValue, 4> args;
|
|
if (!setMethod->mIsStatic)
|
|
{
|
|
auto usePropTarget = propTarget;
|
|
if (origPropTarget.mType == methodInstance.mMethodInstance->GetOwner())
|
|
usePropTarget = origPropTarget;
|
|
else
|
|
BF_ASSERT(propTarget.mType == methodInstance.mMethodInstance->GetOwner());
|
|
PushThis(propSrc, usePropTarget, methodInstance.mMethodInstance, args);
|
|
}
|
|
|
|
for (int paramIdx = 0; paramIdx < (int)indexerVals.size(); paramIdx++)
|
|
{
|
|
auto val = mModule->Cast(propSrc, indexerVals[paramIdx].mTypedValue, methodInstance.mMethodInstance->GetParamType(paramIdx));
|
|
if (!val)
|
|
return;
|
|
PushArg(val, args);
|
|
}
|
|
|
|
PushArg(writeToProp, args);
|
|
CreateCall(opToken, methodInstance.mMethodInstance, methodInstance.mFunc, false, args);
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::PerformBinaryOperation(BfExpression* leftExpression, BfExpression* rightExpression, BfBinaryOp binaryOp, BfTokenNode* opToken, BfBinOpFlags flags, BfTypedValue leftValue)
|
|
{
|
|
BfTypedValue rightValue;
|
|
if (rightExpression == NULL)
|
|
{
|
|
mModule->AssertErrorState();
|
|
return;
|
|
}
|
|
if (!leftValue)
|
|
{
|
|
if (!rightValue)
|
|
mModule->CreateValueFromExpression(rightExpression, mExpectingType, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
|
|
return;
|
|
}
|
|
if (leftValue.mType->IsRef())
|
|
leftValue.mType = leftValue.mType->GetUnderlyingType();
|
|
|
|
if ((binaryOp == BfBinaryOp_ConditionalAnd) || (binaryOp == BfBinaryOp_ConditionalOr))
|
|
{
|
|
if (mModule->mCurMethodState->mDeferredLocalAssignData != NULL)
|
|
mModule->mCurMethodState->mDeferredLocalAssignData->BreakExtendChain();
|
|
if (mModule->mCurMethodState->mCurScope->mScopeKind == BfScopeKind_StatementTarget)
|
|
mModule->mCurMethodState->mCurScope->mScopeKind = BfScopeKind_StatementTarget_Conditional;
|
|
|
|
bool isAnd = binaryOp == BfBinaryOp_ConditionalAnd;
|
|
|
|
auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
|
|
leftValue = mModule->Cast(leftExpression, leftValue, boolType);
|
|
if (!leftValue)
|
|
{
|
|
mModule->CreateValueFromExpression(rightExpression);
|
|
mResult = mModule->GetDefaultTypedValue(boolType, false, BfDefaultValueKind_Undef);
|
|
return;
|
|
}
|
|
|
|
auto prevBB = mModule->mBfIRBuilder->GetInsertBlock();
|
|
|
|
SetAndRestoreValue<bool> prevInCondBlock(mModule->mCurMethodState->mInConditionalBlock, true);
|
|
|
|
// The RHS is not guaranteed to be executed
|
|
if ((mModule->mCurMethodState->mDeferredLocalAssignData != NULL) &&
|
|
(mModule->mCurMethodState->mDeferredLocalAssignData->mIsIfCondition))
|
|
mModule->mCurMethodState->mDeferredLocalAssignData->mIfMayBeSkipped = true;
|
|
|
|
if (isAnd)
|
|
{
|
|
bool isConstBranch = false;
|
|
bool constResult = false;
|
|
if (leftValue.mValue.IsConst())
|
|
{
|
|
auto constValue = mModule->mBfIRBuilder->GetConstant(leftValue.mValue);
|
|
if (constValue->mTypeCode == BfTypeCode_Boolean)
|
|
{
|
|
isConstBranch = true;
|
|
constResult = constValue->mBool;
|
|
}
|
|
}
|
|
|
|
if (isConstBranch)
|
|
{
|
|
if ((constResult) || (HasVariableDeclaration(rightExpression)))
|
|
{
|
|
// Only right side
|
|
rightValue = mModule->CreateValueFromExpression(rightExpression, boolType, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
|
|
mResult = rightValue;
|
|
}
|
|
else
|
|
{
|
|
// Always false
|
|
SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
|
|
SetAndRestoreValue<bool> prevInConstIgnore(mModule->mCurMethodState->mCurScope->mInConstIgnore, true);
|
|
rightValue = mModule->CreateValueFromExpression(rightExpression, boolType, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, 0), boolType);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
auto rhsBB = mModule->mBfIRBuilder->CreateBlock("land.rhs");
|
|
auto endBB = mModule->mBfIRBuilder->CreateBlock("land.end");
|
|
|
|
mModule->mBfIRBuilder->CreateCondBr(leftValue.mValue, rhsBB, endBB);
|
|
|
|
mModule->AddBasicBlock(rhsBB);
|
|
rightValue = mModule->CreateValueFromExpression(rightExpression, boolType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_CreateConditionalScope));
|
|
mModule->mBfIRBuilder->CreateBr(endBB);
|
|
|
|
auto endRhsBB = mModule->mBfIRBuilder->GetInsertBlock();
|
|
mModule->AddBasicBlock(endBB);
|
|
auto phi = mModule->mBfIRBuilder->CreatePhi(mModule->mBfIRBuilder->MapType(boolType), 2);
|
|
mModule->mBfIRBuilder->AddPhiIncoming(phi, mModule->GetConstValue(0, boolType), prevBB);
|
|
if (rightValue)
|
|
mModule->mBfIRBuilder->AddPhiIncoming(phi, rightValue.mValue, endRhsBB);
|
|
mResult = BfTypedValue(phi, boolType);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Put variables in here into a 'possibly assigned' but never commit it.
|
|
// Because if we had "if ((Get(out a)) || (GetOther(out a))" then the LHS would already set it as defined, so
|
|
// the RHS is inconsequential
|
|
BfDeferredLocalAssignData deferredLocalAssignData;
|
|
deferredLocalAssignData.ExtendFrom(mModule->mCurMethodState->mDeferredLocalAssignData, false);
|
|
deferredLocalAssignData.mVarIdBarrier = mModule->mCurMethodState->GetRootMethodState()->mCurLocalVarId;
|
|
SetAndRestoreValue<BfDeferredLocalAssignData*> prevDLA(mModule->mCurMethodState->mDeferredLocalAssignData, &deferredLocalAssignData);
|
|
|
|
bool isConstBranch = false;
|
|
bool constResult = false;
|
|
if (leftValue.mValue.IsConst())
|
|
{
|
|
auto constValue = mModule->mBfIRBuilder->GetConstant(leftValue.mValue);
|
|
if (constValue->mTypeCode == BfTypeCode_Boolean)
|
|
{
|
|
isConstBranch = true;
|
|
constResult = constValue->mBool;
|
|
}
|
|
}
|
|
|
|
if (isConstBranch)
|
|
{
|
|
if ((constResult) && (!HasVariableDeclaration(rightExpression)))
|
|
{
|
|
// Always true
|
|
SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
|
|
SetAndRestoreValue<bool> prevInConstIgnore(mModule->mCurMethodState->mCurScope->mInConstIgnore, true);
|
|
rightValue = mModule->CreateValueFromExpression(rightExpression, boolType, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, 1), boolType);
|
|
}
|
|
else
|
|
{
|
|
// Only right side
|
|
rightValue = mModule->CreateValueFromExpression(rightExpression, boolType, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
|
|
mResult = rightValue;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
auto rhsBB = mModule->mBfIRBuilder->CreateBlock("lor.rhs");
|
|
auto endBB = mModule->mBfIRBuilder->CreateBlock("lor.end");
|
|
|
|
// This makes any 'scope' allocs be dyn since we aren't sure if this will be short-circuited
|
|
SetAndRestoreValue<bool> prevIsConditional(mModule->mCurMethodState->mCurScope->mIsConditional, true);
|
|
|
|
mModule->mBfIRBuilder->CreateCondBr(leftValue.mValue, endBB, rhsBB);
|
|
|
|
mModule->AddBasicBlock(rhsBB);
|
|
rightValue = mModule->CreateValueFromExpression(rightExpression, boolType, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
|
|
mModule->mBfIRBuilder->CreateBr(endBB);
|
|
|
|
auto endRhsBB = mModule->mBfIRBuilder->GetInsertBlock();
|
|
mModule->AddBasicBlock(endBB);
|
|
auto phi = mModule->mBfIRBuilder->CreatePhi(mModule->mBfIRBuilder->MapType(boolType), 2);
|
|
mModule->mBfIRBuilder->AddPhiIncoming(phi, mModule->GetConstValue(1, boolType), prevBB);
|
|
if (rightValue)
|
|
mModule->mBfIRBuilder->AddPhiIncoming(phi, rightValue.mValue, endRhsBB);
|
|
mResult = BfTypedValue(phi, boolType);
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
BfType* wantType = leftValue.mType;
|
|
BfType* origWantType = wantType;
|
|
if ((binaryOp == BfBinaryOp_LeftShift) || (binaryOp == BfBinaryOp_RightShift))
|
|
wantType = NULL; // Don't presume
|
|
wantType = mModule->FixIntUnknown(wantType);
|
|
|
|
if ((binaryOp == BfBinaryOp_NullCoalesce) && (PerformBinaryOperation_NullCoalesce(opToken, leftExpression, rightExpression, leftValue, wantType, NULL)))
|
|
return;
|
|
|
|
BfType* rightWantType = wantType;
|
|
if (origWantType->IsIntUnknown())
|
|
rightWantType = NULL;
|
|
else if ((mExpectingType != NULL) && (wantType != NULL) && (mExpectingType->IsIntegral()) && (wantType->IsIntegral()) && (mExpectingType->mSize > wantType->mSize) &&
|
|
((binaryOp == BfBinaryOp_Add) || (binaryOp == BfBinaryOp_Subtract) || (binaryOp == BfBinaryOp_Multiply)))
|
|
rightWantType = mExpectingType;
|
|
rightValue = mModule->CreateValueFromExpression(rightExpression, rightWantType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_AllowIntUnknown));
|
|
if ((rightWantType != wantType) && (rightValue.mType == rightWantType))
|
|
wantType = rightWantType;
|
|
if ((!leftValue) || (!rightValue))
|
|
return;
|
|
|
|
PerformBinaryOperation(leftExpression, rightExpression, binaryOp, opToken, flags, leftValue, rightValue);
|
|
}
|
|
|
|
bool BfExprEvaluator::PerformBinaryOperation_NullCoalesce(BfTokenNode* opToken, BfExpression* leftExpression, BfExpression* rightExpression, BfTypedValue leftValue, BfType* wantType, BfTypedValue* assignTo)
|
|
{
|
|
if ((leftValue) && ((leftValue.mType->IsPointer()) || (leftValue.mType->IsFunction()) || (leftValue.mType->IsObject())) || (leftValue.mType->IsNullable()))
|
|
{
|
|
leftValue = mModule->LoadOrAggregateValue(leftValue);
|
|
mModule->mBfIRBuilder->PopulateType(leftValue.mType);
|
|
|
|
BfType* nullableElementType = NULL;
|
|
BfIRValue nullableHasValue;
|
|
BfTypedValue nullableExtractedLeftValue;
|
|
if (leftValue.mType->IsNullable())
|
|
{
|
|
nullableElementType = leftValue.mType->GetUnderlyingType();
|
|
nullableHasValue = mModule->mBfIRBuilder->CreateExtractValue(leftValue.mValue, nullableElementType->IsValuelessType() ? 1 : 2); // has_value
|
|
if (!nullableElementType->IsValuelessType())
|
|
nullableExtractedLeftValue = BfTypedValue(mModule->mBfIRBuilder->CreateExtractValue(leftValue.mValue, 1), nullableElementType); // value
|
|
else
|
|
nullableExtractedLeftValue = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), nullableElementType);
|
|
}
|
|
|
|
if (leftValue.mValue.IsConst())
|
|
{
|
|
auto constant = mModule->mBfIRBuilder->GetConstant(leftValue.mValue);
|
|
if (constant->IsNull())
|
|
{
|
|
mResult = mModule->CreateValueFromExpression(rightExpression, wantType, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
|
|
return true;
|
|
}
|
|
|
|
// Already have a value, we don't need the right side
|
|
SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
|
|
SetAndRestoreValue<bool> prevInConstIgnore(mModule->mCurMethodState->mCurScope->mInConstIgnore, true);
|
|
mModule->CreateValueFromExpression(rightExpression, wantType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_CreateConditionalScope));
|
|
mResult = leftValue;
|
|
return true;
|
|
}
|
|
|
|
auto prevBB = mModule->mBfIRBuilder->GetInsertBlock();
|
|
auto rhsBB = mModule->mBfIRBuilder->CreateBlock("nullc.rhs");
|
|
auto endBB = mModule->mBfIRBuilder->CreateBlock("nullc.end");
|
|
auto lhsBB = endBB;
|
|
|
|
auto endLhsBB = prevBB;
|
|
|
|
BfIRValue isNull;
|
|
if (nullableHasValue)
|
|
isNull = mModule->mBfIRBuilder->CreateCmpEQ(nullableHasValue, mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, 0));
|
|
else if (leftValue.mType->IsFunction())
|
|
isNull = mModule->mBfIRBuilder->CreateIsNull(
|
|
mModule->mBfIRBuilder->CreateIntToPtr(leftValue.mValue, mModule->mBfIRBuilder->MapType(mModule->GetPrimitiveType(BfTypeCode_NullPtr))));
|
|
else
|
|
isNull = mModule->mBfIRBuilder->CreateIsNull(leftValue.mValue);
|
|
|
|
mModule->AddBasicBlock(rhsBB);
|
|
BfTypedValue rightValue;
|
|
|
|
if (assignTo != NULL)
|
|
rightValue = mModule->CreateValueFromExpression(rightExpression, wantType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_CreateConditionalScope));
|
|
else
|
|
rightValue = mModule->CreateValueFromExpression(rightExpression, wantType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_CreateConditionalScope));
|
|
|
|
if (!rightValue)
|
|
{
|
|
mModule->AssertErrorState();
|
|
return true;
|
|
}
|
|
|
|
if ((assignTo == NULL) && (leftValue.mType->IsNullable()) && (!rightValue.mType->IsNullable()))
|
|
{
|
|
if (wantType == leftValue.mType)
|
|
wantType = nullableElementType;
|
|
leftValue = nullableExtractedLeftValue;
|
|
}
|
|
|
|
rightValue = mModule->LoadValue(rightValue);
|
|
|
|
if (assignTo == NULL)
|
|
{
|
|
auto rightToLeftValue = mModule->CastToValue(rightExpression, rightValue, leftValue.mType, BfCastFlags_SilentFail);
|
|
if (rightToLeftValue)
|
|
{
|
|
rightValue = BfTypedValue(rightToLeftValue, leftValue.mType);
|
|
}
|
|
else
|
|
{
|
|
lhsBB = mModule->mBfIRBuilder->CreateBlock("nullc.lhs", true);
|
|
mModule->mBfIRBuilder->SetInsertPoint(lhsBB);
|
|
|
|
auto leftToRightValue = mModule->CastToValue(leftExpression, leftValue, rightValue.mType, BfCastFlags_SilentFail);
|
|
if (leftToRightValue)
|
|
{
|
|
leftValue = BfTypedValue(leftToRightValue, rightValue.mType);
|
|
}
|
|
else
|
|
{
|
|
// Note: Annoying trigraph split for '??'
|
|
mModule->Fail(StrFormat("Operator '?" "?' cannot be applied to operands of type '%s' and '%s'",
|
|
mModule->TypeToString(leftValue.mType).c_str(), mModule->TypeToString(rightValue.mType).c_str()), opToken);
|
|
leftValue = mModule->GetDefaultTypedValue(rightValue.mType);
|
|
}
|
|
|
|
mModule->mBfIRBuilder->CreateBr(endBB);
|
|
endLhsBB = mModule->mBfIRBuilder->GetInsertBlock();
|
|
mModule->mBfIRBuilder->SetInsertPoint(rhsBB);
|
|
}
|
|
}
|
|
|
|
if (assignTo != NULL)
|
|
mModule->mBfIRBuilder->CreateStore(rightValue.mValue, assignTo->mValue);
|
|
|
|
mModule->mBfIRBuilder->CreateBr(endBB);
|
|
auto endRhsBB = mModule->mBfIRBuilder->GetInsertBlock();
|
|
|
|
// Actually add CondBr at start
|
|
mModule->mBfIRBuilder->SetInsertPoint(prevBB);
|
|
mModule->mBfIRBuilder->CreateCondBr(isNull, rhsBB, lhsBB);
|
|
|
|
mModule->AddBasicBlock(endBB);
|
|
|
|
if (assignTo != NULL)
|
|
{
|
|
mResult = *assignTo;
|
|
}
|
|
else
|
|
{
|
|
auto phi = mModule->mBfIRBuilder->CreatePhi(mModule->mBfIRBuilder->MapType(leftValue.mType), 2);
|
|
if (!leftValue.mType->IsValuelessType())
|
|
mModule->mBfIRBuilder->AddPhiIncoming(phi, leftValue.mValue, endLhsBB);
|
|
if (!rightValue.mType->IsValuelessType())
|
|
mModule->mBfIRBuilder->AddPhiIncoming(phi, rightValue.mValue, endRhsBB);
|
|
mResult = BfTypedValue(phi, leftValue.mType);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool BfExprEvaluator::PerformBinaryOperation_Numeric(BfAstNode* leftExpression, BfAstNode* rightExpression, BfBinaryOp binaryOp, BfAstNode* opToken, BfBinOpFlags flags, BfTypedValue leftValue, BfTypedValue rightValue)
|
|
{
|
|
switch (binaryOp)
|
|
{
|
|
case BfBinaryOp_Add:
|
|
case BfBinaryOp_Subtract:
|
|
case BfBinaryOp_Multiply:
|
|
case BfBinaryOp_Divide:
|
|
case BfBinaryOp_Modulus:
|
|
break;
|
|
default:
|
|
return false;
|
|
}
|
|
|
|
auto wantType = mExpectingType;
|
|
if ((wantType == NULL) ||
|
|
((!wantType->IsFloat()) && (!wantType->IsIntegral())))
|
|
wantType = NULL;
|
|
|
|
auto leftType = mModule->GetClosestNumericCastType(leftValue, mExpectingType);
|
|
auto rightType = mModule->GetClosestNumericCastType(rightValue, mExpectingType);
|
|
|
|
if (leftType != NULL)
|
|
{
|
|
if ((rightType == NULL) || (mModule->CanCast(mModule->GetFakeTypedValue(rightType), leftType)))
|
|
wantType = leftType;
|
|
else if ((rightType != NULL) && (mModule->CanCast(mModule->GetFakeTypedValue(leftType), rightType)))
|
|
wantType = rightType;
|
|
}
|
|
else if (rightType != NULL)
|
|
wantType = rightType;
|
|
|
|
if (wantType == NULL)
|
|
wantType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
|
|
|
|
auto convLeftValue = mModule->Cast(opToken, leftValue, wantType, BfCastFlags_SilentFail);
|
|
if (!convLeftValue)
|
|
return false;
|
|
|
|
auto convRightValue = mModule->Cast(opToken, rightValue, wantType, BfCastFlags_SilentFail);
|
|
if (!convRightValue)
|
|
return false;
|
|
|
|
mResult = BfTypedValue();
|
|
|
|
// Let the error come from here, if any - so we always return 'true' to avoid a second error
|
|
PerformBinaryOperation(leftExpression, rightExpression, binaryOp, opToken, flags, convLeftValue, convRightValue);
|
|
|
|
return true;
|
|
}
|
|
|
|
void BfExprEvaluator::PerformBinaryOperation(BfExpression* leftExpression, BfExpression* rightExpression, BfBinaryOp binaryOp, BfTokenNode* opToken, BfBinOpFlags flags)
|
|
{
|
|
if ((binaryOp == BfBinaryOp_Range) || (binaryOp == BfBinaryOp_ClosedRange))
|
|
{
|
|
auto intType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
|
|
|
|
bool isIndexExpr = false;
|
|
BfTypeDef* typeDef = NULL;
|
|
if (auto unaryOpExpr = BfNodeDynCast<BfUnaryOperatorExpression>(leftExpression))
|
|
if (unaryOpExpr->mOp == BfUnaryOp_FromEnd)
|
|
isIndexExpr = true;
|
|
if (rightExpression == NULL)
|
|
isIndexExpr = true;
|
|
if (auto unaryOpExpr = BfNodeDynCast<BfUnaryOperatorExpression>(rightExpression))
|
|
if (unaryOpExpr->mOp == BfUnaryOp_FromEnd)
|
|
isIndexExpr = true;
|
|
|
|
if (isIndexExpr)
|
|
typeDef = mModule->mCompiler->mIndexRangeTypeDef;
|
|
else
|
|
typeDef = (binaryOp == BfBinaryOp_Range) ? mModule->mCompiler->mRangeTypeDef : mModule->mCompiler->mClosedRangeTypeDef;
|
|
|
|
auto allocType = mModule->ResolveTypeDef(typeDef)->ToTypeInstance();
|
|
auto alloca = mModule->CreateAlloca(allocType);
|
|
|
|
BfTypedValueExpression leftTypedValueExpr;
|
|
BfTypedValueExpression rightTypedValueExpr;
|
|
BfTypedValueExpression isClosedTypedValueExpr;
|
|
|
|
SizedArray<BfExpression*, 2> argExprs;
|
|
if (leftExpression != NULL)
|
|
{
|
|
argExprs.Add(leftExpression);
|
|
}
|
|
else
|
|
{
|
|
leftTypedValueExpr.mRefNode = opToken;
|
|
leftTypedValueExpr.mTypedValue = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, 0), mModule->GetPrimitiveType(BfTypeCode_IntPtr));
|
|
argExprs.Add(&leftTypedValueExpr);
|
|
}
|
|
|
|
if (rightExpression != NULL)
|
|
{
|
|
argExprs.Add(rightExpression);
|
|
}
|
|
else
|
|
{
|
|
// Add as a `^1`
|
|
auto indexType = mModule->ResolveTypeDef(mModule->mCompiler->mIndexTypeDef)->ToTypeInstance();
|
|
mModule->PopulateType(indexType->mBaseType);
|
|
|
|
BF_ASSERT_REL(indexType->mBaseType->mBaseType != NULL);
|
|
|
|
rightTypedValueExpr.mRefNode = opToken;
|
|
|
|
auto valueTypeEmpty = mModule->mBfIRBuilder->CreateConstAgg(mModule->mBfIRBuilder->MapType(indexType->mBaseType->mBaseType), {});
|
|
SizedArray<BfIRValue, 8> enumMembers;
|
|
enumMembers.Add(valueTypeEmpty);
|
|
auto enumValue = mModule->mBfIRBuilder->CreateConstAgg(mModule->mBfIRBuilder->MapType(indexType->mBaseType), enumMembers);
|
|
|
|
SizedArray<BfIRValue, 8> tupleMembers;
|
|
tupleMembers.Add(valueTypeEmpty);
|
|
tupleMembers.Add(mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, 1));
|
|
auto tupleValue = mModule->mBfIRBuilder->CreateConstAgg(mModule->mBfIRBuilder->MapType(indexType->mFieldInstances[0].mResolvedType), tupleMembers);
|
|
|
|
SizedArray<BfIRValue, 8> indexMembers;
|
|
indexMembers.Add(enumValue);
|
|
indexMembers.Add(tupleValue);
|
|
indexMembers.Add(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int8, 1));
|
|
auto indexValue = mModule->mBfIRBuilder->CreateConstAgg(mModule->mBfIRBuilder->MapType(indexType), indexMembers);
|
|
|
|
rightTypedValueExpr.mTypedValue = BfTypedValue(indexValue, indexType);
|
|
argExprs.Add(&rightTypedValueExpr);
|
|
}
|
|
|
|
if (isIndexExpr)
|
|
{
|
|
isClosedTypedValueExpr.mRefNode = opToken;
|
|
isClosedTypedValueExpr.mTypedValue = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, (binaryOp == BfBinaryOp_ClosedRange) ? 1 : 0), mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
argExprs.Add(&isClosedTypedValueExpr);
|
|
}
|
|
|
|
BfSizedArray<BfExpression*> args = argExprs;
|
|
|
|
BfResolvedArgs argValues;
|
|
argValues.Init(&args);
|
|
ResolveArgValues(argValues, BfResolveArgsFlag_DeferParamEval);
|
|
|
|
mResult = BfTypedValue(alloca, allocType, true);
|
|
auto result = MatchConstructor(opToken, NULL, mResult, allocType, argValues, true, BfMethodGenericArguments(), false);
|
|
if ((result) && (!result.mType->IsVoid()))
|
|
mResult = result;
|
|
|
|
return;
|
|
}
|
|
|
|
BfTypedValue leftValue;
|
|
if (leftExpression != NULL)
|
|
{
|
|
leftValue = mModule->CreateValueFromExpression(leftExpression, mExpectingType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_AllowIntUnknown));
|
|
}
|
|
PerformBinaryOperation(leftExpression, rightExpression, binaryOp, opToken, flags, leftValue);
|
|
}
|
|
|
|
bool BfExprEvaluator::CheckConstCompare(BfBinaryOp binaryOp, BfAstNode* opToken, const BfTypedValue& leftValue, const BfTypedValue& rightValue)
|
|
{
|
|
if ((binaryOp < BfBinaryOp_Equality) || (binaryOp > BfBinaryOp_LessThanOrEqual))
|
|
return false;
|
|
|
|
// LHS is expected to be a value and RHS is expected to be a const
|
|
if (!leftValue.mType->IsIntegral())
|
|
return false;
|
|
|
|
BF_ASSERT(rightValue.mValue.IsConst());
|
|
auto rightConst = mModule->mBfIRBuilder->GetConstant(rightValue.mValue);
|
|
if (!mModule->mBfIRBuilder->IsInt(rightConst->mTypeCode))
|
|
return false;
|
|
|
|
BfType* checkType = leftValue.mType;
|
|
if (checkType->IsTypedPrimitive())
|
|
checkType = checkType->GetUnderlyingType();
|
|
if (!checkType->IsPrimitiveType())
|
|
return false;
|
|
|
|
BfTypeCode typeCode = ((BfPrimitiveType*)checkType)->mTypeDef->mTypeCode;
|
|
|
|
int64 minValue = 0;
|
|
int64 maxValue = 0;
|
|
switch (typeCode)
|
|
{
|
|
case BfTypeCode_Int8:
|
|
minValue = -0x80;
|
|
maxValue = 0x7F;
|
|
break;
|
|
case BfTypeCode_Int16:
|
|
minValue = -0x8000;
|
|
maxValue = 0x7FFF;
|
|
break;
|
|
case BfTypeCode_Int32:
|
|
minValue = -0x80000000LL;
|
|
maxValue = 0x7FFFFFFF;
|
|
break;
|
|
case BfTypeCode_Int64:
|
|
minValue = -0x8000000000000000LL;
|
|
maxValue = 0x7FFFFFFFFFFFFFFFLL;
|
|
break;
|
|
case BfTypeCode_UInt8:
|
|
maxValue = 0xFF;
|
|
break;
|
|
case BfTypeCode_UInt16:
|
|
maxValue = 0xFFFF;
|
|
break;
|
|
case BfTypeCode_UInt32:
|
|
maxValue = 0xFFFFFFFF;
|
|
break;
|
|
default:
|
|
return false;
|
|
}
|
|
|
|
int constResult = -1;
|
|
if (typeCode == BfTypeCode_UInt64)
|
|
{
|
|
switch (binaryOp)
|
|
{
|
|
case BfBinaryOp_Equality:
|
|
case BfBinaryOp_StrictEquality:
|
|
if (rightConst->mInt64 < minValue)
|
|
constResult = 0;
|
|
break;
|
|
case BfBinaryOp_InEquality:
|
|
case BfBinaryOp_StrictInEquality:
|
|
if (rightConst->mInt64 < minValue)
|
|
constResult = 1;
|
|
break;
|
|
case BfBinaryOp_LessThan:
|
|
if (rightConst->mInt64 <= minValue)
|
|
constResult = 0;
|
|
break;
|
|
case BfBinaryOp_LessThanOrEqual:
|
|
if (rightConst->mInt64 < minValue)
|
|
constResult = 0;
|
|
break;
|
|
default: break;
|
|
}
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
switch (binaryOp)
|
|
{
|
|
case BfBinaryOp_Equality:
|
|
case BfBinaryOp_StrictEquality:
|
|
if (rightConst->mInt64 < minValue)
|
|
constResult = 0;
|
|
else if (rightConst->mInt64 > maxValue)
|
|
constResult = 0;
|
|
break;
|
|
case BfBinaryOp_InEquality:
|
|
case BfBinaryOp_StrictInEquality:
|
|
if (rightConst->mInt64 < minValue)
|
|
constResult = 1;
|
|
else if (rightConst->mInt64 > maxValue)
|
|
constResult = 1;
|
|
break;
|
|
case BfBinaryOp_LessThan:
|
|
if (rightConst->mInt64 <= minValue)
|
|
constResult = 0;
|
|
else if (rightConst->mInt64 > maxValue)
|
|
constResult = 1;
|
|
break;
|
|
case BfBinaryOp_LessThanOrEqual:
|
|
if (rightConst->mInt64 < minValue)
|
|
constResult = 0;
|
|
else if (rightConst->mInt64 >= maxValue)
|
|
constResult = 1;
|
|
break;
|
|
case BfBinaryOp_GreaterThan:
|
|
if (rightConst->mInt64 >= maxValue)
|
|
constResult = 0;
|
|
else if (rightConst->mInt64 < minValue)
|
|
constResult = 1;
|
|
break;
|
|
case BfBinaryOp_GreaterThanOrEqual:
|
|
if (rightConst->mInt64 > maxValue)
|
|
constResult = 0;
|
|
else if (rightConst->mInt64 <= minValue)
|
|
constResult = 1;
|
|
break;
|
|
default: break;
|
|
}
|
|
}
|
|
|
|
if (constResult == 0)
|
|
{
|
|
mModule->Warn(0, "The result of this operation is always 'false'", opToken);
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, 0), mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
return true;
|
|
}
|
|
else if (constResult == 1)
|
|
{
|
|
mModule->Warn(0, "The result of this operation is always 'true'", opToken);
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, 1), mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void BfExprEvaluator::AddStrings(const BfTypedValue& leftValue, const BfTypedValue& rightValue, BfAstNode* refNode)
|
|
{
|
|
if ((leftValue.mValue.IsConst()) && (rightValue.mValue.IsConst()))
|
|
{
|
|
String* lhsStr = mModule->GetStringPoolString(leftValue.mValue, mModule->mBfIRBuilder);
|
|
String* rhsStr = mModule->GetStringPoolString(rightValue.mValue, mModule->mBfIRBuilder);
|
|
|
|
if ((lhsStr != NULL) && (rhsStr != NULL))
|
|
{
|
|
String resultStr = *lhsStr + *rhsStr;
|
|
|
|
BfVariant variant;
|
|
variant.mTypeCode = BfTypeCode_CharPtr;
|
|
variant.mString = &resultStr;
|
|
|
|
GetLiteral(refNode, variant);
|
|
return;
|
|
}
|
|
}
|
|
|
|
mModule->Fail("Strings can only be added when they are constants. Consider allocating a string and using Concat.", refNode);
|
|
return;
|
|
}
|
|
|
|
void BfExprEvaluator::PerformBinaryOperation(BfAstNode* leftExpression, BfAstNode* rightExpression, BfBinaryOp binaryOp, BfAstNode* opToken, BfBinOpFlags flags, BfTypedValue leftValue, BfTypedValue rightValue)
|
|
{
|
|
bool noClassify = (flags & BfBinOpFlag_NoClassify) != 0;
|
|
bool forceLeftType = (flags & BfBinOpFlag_ForceLeftType) != 0;
|
|
bool deferRight = (flags & BfBinOpFlag_DeferRight) != 0;
|
|
|
|
if (deferRight)
|
|
{
|
|
rightValue = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
|
|
}
|
|
|
|
if ((rightValue.mValue.IsConst()) && (!leftValue.mValue.IsConst()))
|
|
{
|
|
if (CheckConstCompare(binaryOp, opToken, leftValue, rightValue))
|
|
return;
|
|
}
|
|
else if ((leftValue.mValue.IsConst()) && (!rightValue.mValue.IsConst()))
|
|
{
|
|
if (CheckConstCompare(BfGetOppositeBinaryOp(binaryOp), opToken, rightValue, leftValue))
|
|
return;
|
|
}
|
|
|
|
if ((binaryOp == BfBinaryOp_LeftShift) || (binaryOp == BfBinaryOp_RightShift))
|
|
{
|
|
forceLeftType = true;
|
|
mModule->FixIntUnknown(leftValue);
|
|
}
|
|
|
|
if (rightValue.mType->IsRef())
|
|
rightValue.mType = rightValue.mType->GetUnderlyingType();
|
|
|
|
BfType* origLeftType = leftValue.mType;
|
|
BfType* origRightType = rightValue.mType;
|
|
|
|
mModule->FixIntUnknown(leftValue, rightValue);
|
|
|
|
// Prefer floats, prefer chars
|
|
int leftCompareSize = leftValue.mType->mSize;
|
|
if (leftValue.mType->IsFloat())
|
|
leftCompareSize += 0x10;
|
|
if (leftValue.mType->IsChar())
|
|
leftCompareSize += 0x100;
|
|
if (!leftValue.mType->IsPrimitiveType())
|
|
leftCompareSize += 0x1000;
|
|
|
|
int rightCompareSize = rightValue.mType->mSize;
|
|
if (rightValue.mType->IsFloat())
|
|
rightCompareSize += 0x10;
|
|
if (rightValue.mType->IsChar())
|
|
rightCompareSize += 0x100;
|
|
if (!rightValue.mType->IsPrimitiveType())
|
|
rightCompareSize += 0x1000;
|
|
|
|
if ((leftValue.mType->IsTypeInstance()) && (rightValue.mType->IsTypeInstance()))
|
|
{
|
|
int leftInheritDepth = leftValue.mType->ToTypeInstance()->mInheritDepth;
|
|
int rightInheritDepth = rightValue.mType->ToTypeInstance()->mInheritDepth;
|
|
if (leftInheritDepth < rightInheritDepth)
|
|
{
|
|
// If both are type instances then choose the type with the lowest inherit depth
|
|
// so we will choose the base type when applicable
|
|
forceLeftType = true;
|
|
}
|
|
}
|
|
|
|
auto resultType = leftValue.mType;
|
|
if (!forceLeftType)
|
|
{
|
|
bool handled = false;
|
|
|
|
BfType* expectingType = mExpectingType;
|
|
|
|
if (leftValue.mType == rightValue.mType)
|
|
{
|
|
// All good
|
|
handled = true;
|
|
}
|
|
else if ((expectingType != NULL) &&
|
|
(mModule->CanCast(leftValue, expectingType, BfCastFlags_NoBox)) &&
|
|
(mModule->CanCast(rightValue, expectingType, BfCastFlags_NoBox)) &&
|
|
(!leftValue.mType->IsVar()) && (!rightValue.mType->IsVar()))
|
|
{
|
|
resultType = expectingType;
|
|
handled = true;
|
|
}
|
|
else
|
|
{
|
|
// If one of these is a constant that can be converted into a smaller type, then do that
|
|
if (rightValue.mValue.IsConst())
|
|
{
|
|
if (mModule->CanCast(rightValue, leftValue.mType, BfCastFlags_NoBox))
|
|
{
|
|
resultType = leftValue.mType;
|
|
handled = true;
|
|
}
|
|
}
|
|
|
|
// If left is an IntUnknown, allow the right to inform the type
|
|
if (leftValue.mType->IsIntUnknown())
|
|
{
|
|
if (leftValue.mValue.IsConst())
|
|
{
|
|
if (mModule->CanCast(leftValue, rightValue.mType))
|
|
{
|
|
resultType = rightValue.mType;
|
|
handled = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((leftValue.mType->IsPointer()) &&
|
|
(rightValue.mType->IsPointer()))
|
|
{
|
|
BfPointerType* leftPointerType = (BfPointerType*)leftValue.mType;
|
|
BfPointerType* rightPointerType = (BfPointerType*)rightValue.mType;
|
|
|
|
// If one is a pointer to a sized array then use the other type
|
|
if (leftPointerType->mElementType->IsSizedArray())
|
|
{
|
|
resultType = rightPointerType;
|
|
handled = true;
|
|
}
|
|
else if (rightPointerType->mElementType->IsSizedArray())
|
|
{
|
|
resultType = leftPointerType;
|
|
handled = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!handled)
|
|
{
|
|
if ((resultType->IsNull()) ||
|
|
(rightCompareSize > leftCompareSize) ||
|
|
(((rightCompareSize == leftCompareSize) && (!rightValue.mType->IsSigned()))) ||
|
|
(rightValue.mType->IsTypedPrimitive()))
|
|
{
|
|
// Select the type with the "most information"
|
|
if (!rightValue.mType->IsNull())
|
|
resultType = rightValue.mType;
|
|
}
|
|
|
|
if ((!resultType->IsPointer()) && (rightValue.mType->IsPointer()))
|
|
resultType = rightValue.mType;
|
|
}
|
|
}
|
|
|
|
bool explicitCast = false;
|
|
BfTypedValue* resultTypedValue;
|
|
BfTypedValue* otherTypedValue;
|
|
BfType* otherType;
|
|
BfAstNode* resultTypeSrc;
|
|
BfAstNode* otherTypeSrc;
|
|
|
|
if (resultType == leftValue.mType)
|
|
{
|
|
resultTypedValue = &leftValue;
|
|
resultTypeSrc = leftExpression;
|
|
otherTypedValue = &rightValue;
|
|
otherTypeSrc = rightExpression;
|
|
otherType = otherTypedValue->mType;
|
|
}
|
|
else
|
|
{
|
|
resultTypedValue = &rightValue;
|
|
resultTypeSrc = rightExpression;
|
|
otherTypedValue = &leftValue;
|
|
otherTypeSrc = leftExpression;
|
|
otherType = otherTypedValue->mType;
|
|
}
|
|
|
|
auto _OpFail = [&]()
|
|
{
|
|
if ((rightValue.mType != NULL) && (leftValue.mType != NULL))
|
|
{
|
|
if (rightValue.mType != leftValue.mType)
|
|
mModule->Fail(StrFormat("Cannot perform binary operation '%s' between types '%s' and '%s'",
|
|
BfGetOpName(binaryOp), mModule->TypeToString(leftValue.mType).c_str(), mModule->TypeToString(rightValue.mType).c_str()), opToken);
|
|
else
|
|
{
|
|
if (leftValue.mType->IsInterface())
|
|
{
|
|
mModule->Fail(StrFormat("Cannot perform binary operation '%s' between two instances of interface '%s'. Consider rewriting using generics and use this interface as a generic constraint.",
|
|
BfGetOpName(binaryOp), mModule->TypeToString(leftValue.mType).c_str()), opToken);
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail(StrFormat("Cannot perform binary operation '%s' between two instances of type '%s'",
|
|
BfGetOpName(binaryOp), mModule->TypeToString(leftValue.mType).c_str()), opToken);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
mModule->Fail(StrFormat("Cannot perform binary operation '%s'", BfGetOpName(binaryOp)), opToken);
|
|
};
|
|
|
|
// This case fixes cases like "c == 0" where "0" is technically an int but can be reduced
|
|
if (BfBinOpEqualityCheck(binaryOp))
|
|
{
|
|
if ((resultType != otherType) && (resultTypedValue->mValue.IsConst()) && (mModule->CanCast(*resultTypedValue, otherType)))
|
|
{
|
|
std::swap(resultTypedValue, otherTypedValue);
|
|
std::swap(resultTypeSrc, otherTypeSrc);
|
|
std::swap(resultType, otherType);
|
|
}
|
|
}
|
|
|
|
BfIRValue convLeftValue;
|
|
BfIRValue convRightValue;
|
|
|
|
if (((resultType->IsVar()) || (otherType->IsVar())) && (!deferRight))
|
|
{
|
|
bool isComparison = (binaryOp >= BfBinaryOp_Equality) && (binaryOp <= BfBinaryOp_LessThanOrEqual);
|
|
if (isComparison)
|
|
mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Boolean), false, BfDefaultValueKind_Addr);
|
|
else if (mExpectingType != NULL)
|
|
mResult = mModule->GetDefaultTypedValue(mExpectingType, false, BfDefaultValueKind_Addr);
|
|
else
|
|
mResult = mModule->GetDefaultTypedValue(resultType, false, BfDefaultValueKind_Addr);
|
|
return;
|
|
}
|
|
|
|
if ((otherType->IsNull()) && (BfBinOpEqualityCheck(binaryOp)))
|
|
{
|
|
bool isEquality = (binaryOp == BfBinaryOp_Equality) || (binaryOp == BfBinaryOp_StrictEquality);
|
|
|
|
if ((resultType->IsValueType()) && (!resultType->IsFunction()))
|
|
{
|
|
auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
|
|
|
|
if (resultType->IsNullable())
|
|
{
|
|
auto elementType = resultType->GetUnderlyingType();
|
|
mModule->PopulateType(elementType);
|
|
if (elementType->IsValuelessType())
|
|
{
|
|
mModule->mBfIRBuilder->PopulateType(resultType);
|
|
BfTypedValue nullableTypedVale = mModule->MakeAddressable(*resultTypedValue);
|
|
BfIRValue hasValuePtr = mModule->mBfIRBuilder->CreateInBoundsGEP(nullableTypedVale.mValue, 0, 1);
|
|
BfIRValue hasValueValue = mModule->mBfIRBuilder->CreateAlignedLoad(hasValuePtr, 1);
|
|
if (isEquality)
|
|
hasValueValue = mModule->mBfIRBuilder->CreateNot(hasValueValue);
|
|
mResult = BfTypedValue(hasValueValue, boolType);
|
|
}
|
|
else
|
|
{
|
|
mModule->mBfIRBuilder->PopulateType(resultType);
|
|
BfTypedValue nullableTypedVale = mModule->MakeAddressable(*resultTypedValue);
|
|
BfIRValue hasValuePtr = mModule->mBfIRBuilder->CreateInBoundsGEP(nullableTypedVale.mValue, 0, 2);
|
|
BfIRValue hasValueValue = mModule->mBfIRBuilder->CreateAlignedLoad(hasValuePtr, 1);
|
|
if (isEquality)
|
|
hasValueValue = mModule->mBfIRBuilder->CreateNot(hasValueValue);
|
|
mResult = BfTypedValue(hasValueValue, boolType);
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (resultType->IsNull())
|
|
{
|
|
// Null always equals null
|
|
mResult = BfTypedValue(mModule->GetConstValue(isEquality ? 1 : 0, boolType), boolType);
|
|
return;
|
|
}
|
|
|
|
if (!mModule->IsInSpecializedSection())
|
|
{
|
|
//CS0472: The result of the expression is always 'true' since a value of type 'int' is never equal to 'null' of type '<null>'
|
|
mModule->Warn(BfWarning_CS0472_ValueTypeNullCompare,
|
|
StrFormat("The result of the expression is always '%s' since a value of type '%s' can never be null",
|
|
isEquality ? "false" : "true", mModule->TypeToString(resultType).c_str()), otherTypeSrc);
|
|
}
|
|
|
|
// Valuetypes never equal null
|
|
mResult = BfTypedValue(mModule->GetConstValue(isEquality ? 0 : 1, boolType), boolType);
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Check for constant equality checks (mostly for strings)
|
|
if (BfBinOpEqualityCheck(binaryOp))
|
|
{
|
|
auto leftConstant = mModule->mBfIRBuilder->GetConstant(leftValue.mValue);
|
|
auto rightConstant = mModule->mBfIRBuilder->GetConstant(rightValue.mValue);
|
|
|
|
if ((leftConstant != NULL) && (rightConstant != NULL))
|
|
{
|
|
auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
|
|
int leftStringPoolIdx = mModule->GetStringPoolIdx(leftValue.mValue, mModule->mBfIRBuilder);
|
|
if (leftStringPoolIdx != -1)
|
|
{
|
|
int rightStringPoolIdx = mModule->GetStringPoolIdx(rightValue.mValue, mModule->mBfIRBuilder);
|
|
if (rightStringPoolIdx != -1)
|
|
{
|
|
bool isEqual = leftStringPoolIdx == rightStringPoolIdx;
|
|
if ((binaryOp == BfBinaryOp_InEquality) || (binaryOp == BfBinaryOp_StrictInEquality))
|
|
isEqual = !isEqual;
|
|
mResult = BfTypedValue(mModule->GetConstValue(isEqual ? 1 : 0, boolType), boolType);
|
|
return;
|
|
}
|
|
}
|
|
|
|
int eqResult = mModule->mBfIRBuilder->CheckConstEquality(leftValue.mValue, rightValue.mValue);
|
|
if (eqResult != -1)
|
|
{
|
|
bool isEqual = eqResult == 1;
|
|
if ((binaryOp == BfBinaryOp_InEquality) || (binaryOp == BfBinaryOp_StrictInEquality))
|
|
isEqual = !isEqual;
|
|
mResult = BfTypedValue(mModule->GetConstValue(isEqual ? 1 : 0, boolType), boolType);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((leftValue.mType->IsTypeInstance()) || (leftValue.mType->IsGenericParam()) ||
|
|
(rightValue.mType->IsTypeInstance()) || (rightValue.mType->IsGenericParam()))
|
|
{
|
|
// As an optimization, we don't call user operator overloads for null checks
|
|
bool skipOpOverload = false;
|
|
if ((binaryOp == BfBinaryOp_StrictEquality) || (binaryOp == BfBinaryOp_StrictInEquality))
|
|
skipOpOverload = true;
|
|
else if (BfBinOpEqualityCheck(binaryOp))
|
|
{
|
|
if (!leftValue.IsAddr())
|
|
{
|
|
auto leftConstant = mModule->mBfIRBuilder->GetConstant(leftValue.mValue);
|
|
if ((leftConstant != NULL) && (leftConstant->IsNull()))
|
|
skipOpOverload = true;
|
|
}
|
|
|
|
if (!rightValue.IsAddr())
|
|
{
|
|
auto rightConstant = mModule->mBfIRBuilder->GetConstant(rightValue.mValue);
|
|
if ((rightConstant != NULL) && (rightConstant->IsNull()))
|
|
skipOpOverload = true;
|
|
}
|
|
}
|
|
|
|
if ((binaryOp == BfBinaryOp_Add) && (resultType->IsInstanceOf(mModule->mCompiler->mStringTypeDef)))
|
|
{
|
|
// Allow failover to constant string addition
|
|
if ((leftValue.mValue.IsConst()) && (rightValue.mValue.IsConst()))
|
|
skipOpOverload = true;
|
|
}
|
|
|
|
if (!skipOpOverload)
|
|
{
|
|
BfBinaryOp findBinaryOp = binaryOp;
|
|
|
|
bool isComparison = (binaryOp >= BfBinaryOp_Equality) && (binaryOp <= BfBinaryOp_LessThanOrEqual);
|
|
|
|
for (int pass = 0; pass < 2; pass++)
|
|
{
|
|
BfBinaryOp oppositeBinaryOp = BfGetOppositeBinaryOp(findBinaryOp);
|
|
BfBinaryOp overflowBinaryOp = BfBinaryOp_None;
|
|
|
|
if (findBinaryOp == BfBinaryOp_OverflowAdd)
|
|
overflowBinaryOp = BfBinaryOp_Add;
|
|
else if (findBinaryOp == BfBinaryOp_OverflowSubtract)
|
|
overflowBinaryOp = BfBinaryOp_Subtract;
|
|
else if (findBinaryOp == BfBinaryOp_OverflowMultiply)
|
|
overflowBinaryOp = BfBinaryOp_Multiply;
|
|
|
|
bool foundOp = false;
|
|
|
|
BfResolvedArg leftArg;
|
|
leftArg.mExpression = leftExpression;
|
|
leftArg.mTypedValue = leftValue;
|
|
BfResolvedArg rightArg;
|
|
rightArg.mExpression = rightExpression;
|
|
rightArg.mTypedValue = rightValue;
|
|
|
|
if (deferRight)
|
|
{
|
|
BfResolvedArgs argValues;
|
|
SizedArray<BfExpression*, 2> argExprs;
|
|
argExprs.push_back(BfNodeDynCast<BfExpression>(rightExpression));
|
|
BfSizedArray<BfExpression*> sizedArgExprs(argExprs);
|
|
argValues.Init(&sizedArgExprs);
|
|
ResolveArgValues(argValues, BfResolveArgsFlag_DeferParamEval);
|
|
rightArg = argValues.mResolvedArgs[0];
|
|
}
|
|
|
|
SizedArray<BfResolvedArg, 2> args;
|
|
|
|
if (pass == 0)
|
|
{
|
|
args.push_back(leftArg);
|
|
args.push_back(rightArg);
|
|
}
|
|
else
|
|
{
|
|
args.push_back(rightArg);
|
|
args.push_back(leftArg);
|
|
}
|
|
|
|
auto checkLeftType = leftValue.mType;
|
|
auto checkRightType = rightValue.mType;
|
|
|
|
BfMethodMatcher methodMatcher(opToken, mModule, "", args, BfMethodGenericArguments());
|
|
methodMatcher.mAllowImplicitRef = true;
|
|
methodMatcher.mBfEvalExprFlags = BfEvalExprFlags_NoAutoComplete;
|
|
BfBaseClassWalker baseClassWalker(checkLeftType, checkRightType, mModule);
|
|
|
|
bool invertResult = false;
|
|
BfType* operatorConstraintReturnType = NULL;
|
|
|
|
bool wasTransformedUsage = (pass == 1);
|
|
|
|
while (true)
|
|
{
|
|
auto entry = baseClassWalker.Next();
|
|
auto checkType = entry.mTypeInstance;
|
|
if (checkType == NULL)
|
|
break;
|
|
|
|
bool foundExactMatch = false;
|
|
SizedArray<BfOperatorDef*, 8> oppositeOperatorDefs;
|
|
|
|
for (auto operatorDef : checkType->mTypeDef->mOperators)
|
|
{
|
|
bool allowOp = operatorDef->mOperatorDeclaration->mBinOp == findBinaryOp;
|
|
if ((isComparison) && (operatorDef->mOperatorDeclaration->mBinOp == BfBinaryOp_Compare))
|
|
allowOp = true;
|
|
|
|
if (allowOp)
|
|
{
|
|
foundOp = true;
|
|
|
|
if (!methodMatcher.IsMemberAccessible(checkType, operatorDef->mDeclaringType))
|
|
continue;
|
|
|
|
if ((flags & BfBinOpFlag_IsConstraintCheck) != 0)
|
|
{
|
|
if (operatorDef->mGenericParams.IsEmpty())
|
|
{
|
|
// Fast check
|
|
auto returnType = mModule->CheckOperator(checkType, operatorDef, args[0].mTypedValue, args[1].mTypedValue);
|
|
if (returnType != NULL)
|
|
{
|
|
operatorConstraintReturnType = returnType;
|
|
methodMatcher.mBestMethodDef = operatorDef;
|
|
methodMatcher.mBestMethodTypeInstance = checkType;
|
|
foundExactMatch = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (methodMatcher.CheckMethod(NULL, checkType, operatorDef, false))
|
|
{
|
|
auto rawMethodInstance = mModule->GetRawMethodInstance(checkType, operatorDef);
|
|
auto returnType = mModule->ResolveGenericType(rawMethodInstance->mReturnType, NULL, &methodMatcher.mBestMethodGenericArguments,
|
|
mModule->mCurTypeInstance);
|
|
if (returnType != NULL)
|
|
{
|
|
operatorConstraintReturnType = returnType;
|
|
foundExactMatch = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (methodMatcher.CheckMethod(NULL, checkType, operatorDef, false))
|
|
{
|
|
methodMatcher.mSelfType = entry.mSrcType;
|
|
if (operatorDef->mOperatorDeclaration->mBinOp == findBinaryOp)
|
|
foundExactMatch = true;
|
|
}
|
|
}
|
|
}
|
|
else if ((operatorDef->mOperatorDeclaration->mBinOp == oppositeBinaryOp) || (operatorDef->mOperatorDeclaration->mBinOp == overflowBinaryOp))
|
|
oppositeOperatorDefs.Add(operatorDef);
|
|
}
|
|
|
|
if ((((methodMatcher.mBestMethodDef == NULL) && (operatorConstraintReturnType == NULL)) || (!foundExactMatch)) && (!oppositeOperatorDefs.IsEmpty()))
|
|
{
|
|
foundOp = true;
|
|
for (auto oppositeOperatorDef : oppositeOperatorDefs)
|
|
{
|
|
if ((flags & BfBinOpFlag_IsConstraintCheck) != 0)
|
|
{
|
|
if (oppositeOperatorDef->mGenericParams.IsEmpty())
|
|
{
|
|
// Fast check
|
|
auto returnType = mModule->CheckOperator(checkType, oppositeOperatorDef, args[0].mTypedValue, args[1].mTypedValue);
|
|
if (returnType != NULL)
|
|
{
|
|
operatorConstraintReturnType = returnType;
|
|
methodMatcher.mBestMethodDef = oppositeOperatorDef;
|
|
methodMatcher.mBestMethodTypeInstance = checkType;
|
|
methodMatcher.mSelfType = entry.mSrcType;
|
|
if (oppositeBinaryOp != BfBinaryOp_None)
|
|
wasTransformedUsage = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (methodMatcher.CheckMethod(NULL, checkType, oppositeOperatorDef, false))
|
|
{
|
|
auto rawMethodInstance = mModule->GetRawMethodInstance(checkType, oppositeOperatorDef);
|
|
auto returnType = mModule->ResolveGenericType(rawMethodInstance->mReturnType, NULL, &methodMatcher.mBestMethodGenericArguments,
|
|
mModule->mCurTypeInstance);
|
|
if (returnType != NULL)
|
|
{
|
|
operatorConstraintReturnType = returnType;
|
|
methodMatcher.mSelfType = entry.mSrcType;
|
|
if (oppositeBinaryOp != BfBinaryOp_None)
|
|
wasTransformedUsage = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (methodMatcher.CheckMethod(NULL, checkType, oppositeOperatorDef, false))
|
|
{
|
|
methodMatcher.mSelfType = entry.mSrcType;
|
|
if (oppositeBinaryOp != BfBinaryOp_None)
|
|
wasTransformedUsage = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool hadMatch = (methodMatcher.mBestMethodDef != NULL);
|
|
|
|
if ((methodMatcher.mBestMethodDef != NULL) && ((flags & BfBinOpFlag_IgnoreOperatorWithWrongResult) != 0))
|
|
{
|
|
auto matchedOp = ((BfOperatorDeclaration*)methodMatcher.mBestMethodDef->mMethodDeclaration)->mBinOp;
|
|
methodMatcher.mBestMethodInstance = GetSelectedMethod(methodMatcher.mTargetSrc, methodMatcher.mBestMethodTypeInstance, methodMatcher.mBestMethodDef, methodMatcher);
|
|
if ((methodMatcher.mBestMethodInstance.mMethodInstance->mReturnType != mExpectingType) &&
|
|
((matchedOp == binaryOp) || (matchedOp == oppositeBinaryOp)))
|
|
{
|
|
if (binaryOp == BfBinaryOp_Equality)
|
|
binaryOp = BfBinaryOp_StrictEquality;
|
|
if (binaryOp == BfBinaryOp_InEquality)
|
|
binaryOp = BfBinaryOp_StrictEquality;
|
|
|
|
hadMatch = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (hadMatch)
|
|
{
|
|
methodMatcher.FlushAmbiguityError();
|
|
|
|
auto matchedOp = ((BfOperatorDeclaration*)methodMatcher.mBestMethodDef->mMethodDeclaration)->mBinOp;
|
|
bool invertResult = matchedOp == oppositeBinaryOp;
|
|
|
|
auto methodDef = methodMatcher.mBestMethodDef;
|
|
auto autoComplete = GetAutoComplete();
|
|
bool wasCapturingMethodInfo = false;
|
|
if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(opToken)))
|
|
{
|
|
auto operatorDecl = BfNodeDynCast<BfOperatorDeclaration>(methodDef->mMethodDeclaration);
|
|
if ((operatorDecl != NULL) && (operatorDecl->mOpTypeToken != NULL))
|
|
autoComplete->SetDefinitionLocation(operatorDecl->mOpTypeToken);
|
|
}
|
|
|
|
if ((wasTransformedUsage) && (methodDef->mCommutableKind != BfCommutableKind_Operator))
|
|
{
|
|
auto error = mModule->Warn(BfWarning_BF4206_OperatorCommutableUsage, "Transformed operator usage requires 'Commutable' attribute to be added to the operator declaration", opToken);
|
|
if ((error != NULL) && (methodDef->GetRefNode() != NULL))
|
|
mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See operator declaration"), methodDef->GetRefNode());
|
|
}
|
|
|
|
if (opToken != NULL)
|
|
{
|
|
if ((opToken->IsA<BfTokenNode>()) && (!noClassify) && (!baseClassWalker.mMayBeFromInterface))
|
|
mModule->SetElementType(opToken, BfSourceElementType_Method);
|
|
}
|
|
if ((flags & BfBinOpFlag_IsConstraintCheck) != 0)
|
|
{
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), operatorConstraintReturnType);
|
|
}
|
|
else
|
|
{
|
|
SetAndRestoreValue<BfEvalExprFlags> prevFlags(mBfEvalExprFlags, (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_NoAutoComplete));
|
|
mResult = CreateCall(&methodMatcher, BfTypedValue());
|
|
}
|
|
if ((mResult.mType != NULL) && (methodMatcher.mSelfType != NULL) && (mResult.mType->IsSelf()))
|
|
{
|
|
BF_ASSERT(mModule->IsInGeneric());
|
|
mResult = mModule->GetDefaultTypedValue(methodMatcher.mSelfType, false, BfDefaultValueKind_Value);
|
|
}
|
|
if ((invertResult) && (mResult.mType == mModule->GetPrimitiveType(BfTypeCode_Boolean)))
|
|
mResult.mValue = mModule->mBfIRBuilder->CreateNot(mResult.mValue);
|
|
if (pass == 1)
|
|
{
|
|
if (findBinaryOp == BfBinaryOp_Compare)
|
|
{
|
|
mResult = mModule->LoadValue(mResult);
|
|
if (mResult.mType->IsIntegral())
|
|
mResult.mValue = mModule->mBfIRBuilder->CreateNeg(mResult.mValue);
|
|
}
|
|
}
|
|
|
|
if ((isComparison) && (matchedOp == BfBinaryOp_Compare))
|
|
{
|
|
auto intType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
|
|
mResult = mModule->LoadValue(mResult);
|
|
if (mResult.mType != intType)
|
|
mResult = mModule->GetDefaultTypedValue(intType);
|
|
|
|
auto zeroVal = mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, 0);
|
|
|
|
auto useBinaryOp = binaryOp;
|
|
if (pass == 1)
|
|
useBinaryOp = BfGetFlippedBinaryOp(useBinaryOp);
|
|
|
|
auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
|
|
switch (useBinaryOp)
|
|
{
|
|
case BfBinaryOp_Equality:
|
|
case BfBinaryOp_StrictEquality:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpEQ(mResult.mValue, zeroVal), boolType);
|
|
break;
|
|
case BfBinaryOp_InEquality:
|
|
case BfBinaryOp_StrictInEquality:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpNE(mResult.mValue, zeroVal), boolType);
|
|
break;
|
|
case BfBinaryOp_GreaterThan:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpGT(mResult.mValue, zeroVal, true), boolType);
|
|
break;
|
|
case BfBinaryOp_LessThan:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpLT(mResult.mValue, zeroVal, true), boolType);
|
|
break;
|
|
case BfBinaryOp_GreaterThanOrEqual:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpGTE(mResult.mValue, zeroVal, true), boolType);
|
|
break;
|
|
case BfBinaryOp_LessThanOrEqual:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpLTE(mResult.mValue, zeroVal, true), boolType);
|
|
break;
|
|
default: break;
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
auto _CheckBinaryOp = [&](BfGenericParamInstance* genericParam)
|
|
{
|
|
for (auto& opConstraint : genericParam->mOperatorConstraints)
|
|
{
|
|
BfType* returnType = genericParam->mExternType;
|
|
bool works = false;
|
|
if (opConstraint.mBinaryOp == findBinaryOp)
|
|
{
|
|
if (((args[0].mTypedValue) && (mModule->CanCast(args[0].mTypedValue, opConstraint.mLeftType))) &&
|
|
((args[1].mTypedValue) && (mModule->CanCast(args[1].mTypedValue, opConstraint.mRightType))))
|
|
{
|
|
works = true;
|
|
}
|
|
}
|
|
|
|
if ((isComparison) && (opConstraint.mBinaryOp == BfBinaryOp_Compare))
|
|
{
|
|
if (((args[0].mTypedValue) && (mModule->CanCast(args[0].mTypedValue, opConstraint.mLeftType))) &&
|
|
((args[1].mTypedValue) && (mModule->CanCast(args[1].mTypedValue, opConstraint.mRightType))))
|
|
{
|
|
works = true;
|
|
}
|
|
else if (((args[0].mTypedValue) && (mModule->CanCast(args[0].mTypedValue, opConstraint.mRightType))) &&
|
|
((args[1].mTypedValue) && (mModule->CanCast(args[1].mTypedValue, opConstraint.mLeftType))))
|
|
{
|
|
works = true;
|
|
}
|
|
|
|
if (works)
|
|
{
|
|
returnType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
|
|
}
|
|
}
|
|
|
|
if (works)
|
|
{
|
|
BF_ASSERT(genericParam->mExternType != NULL);
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), returnType);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
};
|
|
|
|
// Check method generic constraints
|
|
if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsUnspecialized) && (mModule->mCurMethodInstance->mMethodInfoEx != NULL))
|
|
{
|
|
for (int genericParamIdx = 0; genericParamIdx < mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams.size(); genericParamIdx++)
|
|
{
|
|
auto genericParam = mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams[genericParamIdx];
|
|
if (_CheckBinaryOp(genericParam))
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Check type generic constraints
|
|
if ((mModule->mCurTypeInstance->IsGenericTypeInstance()) && (mModule->mCurTypeInstance->IsUnspecializedType()))
|
|
{
|
|
SizedArray<BfGenericParamInstance*, 4> genericParams;
|
|
mModule->GetActiveTypeGenericParamInstances(genericParams);
|
|
for (auto genericParam : genericParams)
|
|
{
|
|
if (_CheckBinaryOp(genericParam))
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (pass == 1)
|
|
break;
|
|
|
|
auto flippedBinaryOp = BfGetFlippedBinaryOp(findBinaryOp);
|
|
if (flippedBinaryOp != BfBinaryOp_None)
|
|
findBinaryOp = flippedBinaryOp;
|
|
}
|
|
|
|
bool resultHandled = false;
|
|
if (((origLeftType != NULL) && (origLeftType->IsIntUnknown())) ||
|
|
((origRightType != NULL) && (origRightType->IsIntUnknown())))
|
|
{
|
|
if (!resultType->IsPrimitiveType())
|
|
{
|
|
BfType* numericCastType = mModule->GetClosestNumericCastType(*resultTypedValue, mExpectingType);
|
|
if (numericCastType != NULL)
|
|
{
|
|
resultHandled = true;
|
|
resultType = numericCastType;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!resultHandled)
|
|
{
|
|
auto prevResultType = resultType;
|
|
if ((leftValue.mType->IsPrimitiveType()) && (!origLeftType->IsIntUnknown()) && (!rightValue.mType->IsTypedPrimitive()))
|
|
resultType = leftValue.mType;
|
|
if ((rightValue.mType->IsPrimitiveType()) && (!origRightType->IsIntUnknown()) && (!leftValue.mType->IsTypedPrimitive()))
|
|
resultType = rightValue.mType;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (deferRight)
|
|
{
|
|
auto expectedType = resultType;
|
|
if ((binaryOp == BfBinaryOp_LeftShift) || (binaryOp == BfBinaryOp_RightShift))
|
|
expectedType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
|
|
rightValue = mModule->CreateValueFromExpression(BfNodeDynCast<BfExpression>(rightExpression), expectedType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_AllowSplat | BfEvalExprFlags_NoCast));
|
|
if (rightValue)
|
|
PerformBinaryOperation(leftExpression, rightExpression, binaryOp, opToken, (BfBinOpFlags)(flags & ~BfBinOpFlag_DeferRight), leftValue, rightValue);
|
|
return;
|
|
}
|
|
|
|
if (mModule->IsUnboundGeneric(resultType))
|
|
{
|
|
mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
|
|
return;
|
|
}
|
|
|
|
if (resultType->IsPointer() && otherType->IsPointer())
|
|
{
|
|
if ((binaryOp == BfBinaryOp_Add) && (resultType == otherType) &&
|
|
(resultType->GetUnderlyingType() == mModule->GetPrimitiveType(BfTypeCode_Char8)))
|
|
{
|
|
AddStrings(leftValue, rightValue, opToken);
|
|
return;
|
|
}
|
|
|
|
//TODO: Allow all pointer comparisons, but only allow SUBTRACTION between equal pointer types
|
|
if ((binaryOp == BfBinaryOp_Subtract) || (binaryOp == BfBinaryOp_OverflowSubtract))
|
|
{
|
|
if (!mModule->CanCast(*otherTypedValue, resultType))
|
|
{
|
|
mModule->Fail(StrFormat("Operands '%s' and '%s' are not comparable types.",
|
|
mModule->TypeToString(leftValue.mType).c_str(), mModule->TypeToString(rightValue.mType).c_str()),
|
|
opToken);
|
|
return;
|
|
}
|
|
|
|
BfPointerType* resultPointerType = (BfPointerType*)resultType;
|
|
BfType* intPtrType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
|
|
if (resultPointerType->mElementType->mSize == 0)
|
|
{
|
|
if (!mModule->IsInSpecializedSection())
|
|
mModule->Warn(0, "Subtracting pointers to zero-sized elements will always result in zero", opToken);
|
|
mResult = mModule->GetDefaultTypedValue(intPtrType);
|
|
}
|
|
else
|
|
{
|
|
convLeftValue = mModule->CastToValue(leftExpression, leftValue, intPtrType, (BfCastFlags)(BfCastFlags_Explicit | BfCastFlags_FromCompiler));
|
|
convRightValue = mModule->CastToValue(rightExpression, rightValue, intPtrType, (BfCastFlags)(BfCastFlags_Explicit | BfCastFlags_FromCompiler));
|
|
BfIRValue diffValue = mModule->mBfIRBuilder->CreateSub(convLeftValue, convRightValue);
|
|
diffValue = mModule->mBfIRBuilder->CreateDiv(diffValue, mModule->GetConstValue(resultPointerType->mElementType->GetStride(), intPtrType), true);
|
|
mResult = BfTypedValue(diffValue, intPtrType);
|
|
}
|
|
return;
|
|
}
|
|
else if ((binaryOp != BfBinaryOp_Equality) && (binaryOp != BfBinaryOp_StrictEquality) &&
|
|
(binaryOp != BfBinaryOp_InEquality) && (binaryOp != BfBinaryOp_StrictInEquality) &&
|
|
(binaryOp != BfBinaryOp_LessThan) && (binaryOp != BfBinaryOp_LessThanOrEqual) &&
|
|
(binaryOp != BfBinaryOp_GreaterThan) && (binaryOp != BfBinaryOp_GreaterThanOrEqual))
|
|
{
|
|
if (mModule->PreFail())
|
|
mModule->Fail("Invalid operation on pointers", opToken);
|
|
return;
|
|
}
|
|
|
|
if ((!BfBinOpEqualityCheck(binaryOp)) || (resultType != otherType))
|
|
{
|
|
resultType = mModule->GetPrimitiveType(BfTypeCode_UIntPtr);
|
|
explicitCast = true;
|
|
}
|
|
}
|
|
else if (resultType->IsPointer())
|
|
{
|
|
if (otherType->IsNull())
|
|
{
|
|
if (!BfBinOpEqualityCheck(binaryOp))
|
|
{
|
|
if (mModule->PreFail())
|
|
mModule->Fail(StrFormat("Invalid operation between '%s' and null", mModule->TypeToString(resultType).c_str()), opToken);
|
|
return;
|
|
}
|
|
|
|
if ((binaryOp == BfBinaryOp_Equality) || (binaryOp == BfBinaryOp_StrictEquality))
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateIsNull(resultTypedValue->mValue), mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
else
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateIsNotNull(resultTypedValue->mValue), mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
return;
|
|
}
|
|
|
|
// One pointer
|
|
if ((!otherType->IsIntegral()) ||
|
|
((binaryOp != BfBinaryOp_Add) && (binaryOp != BfBinaryOp_Subtract) && (binaryOp != BfBinaryOp_OverflowAdd) && (binaryOp != BfBinaryOp_OverflowSubtract)))
|
|
{
|
|
_OpFail();
|
|
return;
|
|
}
|
|
|
|
auto underlyingType = resultType->GetUnderlyingType();
|
|
|
|
if ((underlyingType->IsSizedArray()) && (!mModule->IsInSpecializedSection()))
|
|
mModule->Warn(0, "Performing arithmetic on a pointer to a sized array. Consider performing arithmetic on an element pointer if this is not intended.", resultTypeSrc);
|
|
|
|
BfIRValue addValue = otherTypedValue->mValue;
|
|
if ((!otherTypedValue->mType->IsSigned()) && (otherTypedValue->mType->mSize < mModule->mSystem->mPtrSize))
|
|
addValue = mModule->mBfIRBuilder->CreateNumericCast(addValue, false, BfTypeCode_UIntPtr);
|
|
if ((binaryOp == BfBinaryOp_Subtract) || (binaryOp == BfBinaryOp_OverflowSubtract))
|
|
{
|
|
if (resultTypeSrc == rightExpression)
|
|
mModule->Fail("Cannot subtract a pointer from an integer", resultTypeSrc);
|
|
|
|
addValue = mModule->mBfIRBuilder->CreateNeg(addValue);
|
|
}
|
|
|
|
mModule->PopulateType(underlyingType);
|
|
if (underlyingType->IsValuelessType())
|
|
{
|
|
if (!mModule->IsInSpecializedSection())
|
|
mModule->Warn(0, "Adding to a pointer to a zero-sized element has no effect", opToken);
|
|
mResult = *resultTypedValue;
|
|
return;
|
|
}
|
|
|
|
mModule->mBfIRBuilder->PopulateType(underlyingType);
|
|
mResult = BfTypedValue(mModule->CreateIndexedValue(underlyingType, resultTypedValue->mValue, addValue), resultType);
|
|
return;
|
|
}
|
|
|
|
if ((resultType->IsFunction()) || (resultType->IsPointer()) || (resultType->IsObject()) || (resultType->IsInterface()) || (resultType->IsGenericParam()))
|
|
{
|
|
if ((binaryOp == BfBinaryOp_Add) &&
|
|
(resultType->IsInstanceOf(mModule->mCompiler->mStringTypeDef)) &&
|
|
(otherType->IsInstanceOf(mModule->mCompiler->mStringTypeDef)))
|
|
{
|
|
AddStrings(leftValue, rightValue, opToken);
|
|
return;
|
|
}
|
|
|
|
if (!BfGetBinaryOpPrecendence(binaryOp))
|
|
{
|
|
//mModule->Fail("Invalid operation for objects", opToken);
|
|
_OpFail();
|
|
return;
|
|
}
|
|
|
|
if ((binaryOp == BfBinaryOp_Equality) || (binaryOp == BfBinaryOp_StrictEquality) || (binaryOp == BfBinaryOp_InEquality) || (binaryOp == BfBinaryOp_StrictInEquality))
|
|
{
|
|
if (resultType->IsInterface())
|
|
{
|
|
// Compare as objects instead
|
|
resultType = mModule->mContext->mBfObjectType;
|
|
*resultTypedValue = mModule->Cast(resultTypeSrc, *resultTypedValue, resultType);
|
|
}
|
|
|
|
if (otherType->IsNull())
|
|
{
|
|
if (resultType->IsFunction())
|
|
{
|
|
if ((binaryOp == BfBinaryOp_Equality) || (binaryOp == BfBinaryOp_StrictEquality))
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpEQ(mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, 0), resultTypedValue->mValue), mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
else
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpNE(mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, 0), resultTypedValue->mValue), mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
}
|
|
else
|
|
{
|
|
if ((binaryOp == BfBinaryOp_Equality) || (binaryOp == BfBinaryOp_StrictEquality))
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateIsNull(resultTypedValue->mValue), mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
else
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateIsNotNull(resultTypedValue->mValue), mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
auto convertedValue = mModule->Cast(otherTypeSrc, *otherTypedValue, resultType, BfCastFlags_NoBox);
|
|
if (!convertedValue)
|
|
return;
|
|
convertedValue = mModule->LoadValue(convertedValue);
|
|
if ((binaryOp == BfBinaryOp_Equality) || (binaryOp == BfBinaryOp_StrictEquality))
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpEQ(resultTypedValue->mValue, convertedValue.mValue), mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
else
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpNE(resultTypedValue->mValue, convertedValue.mValue), mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
}
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (resultType->IsTypedPrimitive())
|
|
{
|
|
bool needsOtherCast = true;
|
|
if (otherType != resultType)
|
|
{
|
|
if ((otherType->IsPrimitiveType()) && (!otherType->IsValuelessType()))
|
|
{
|
|
// Allow zero comparisons to match all typed primitives
|
|
if ((binaryOp == BfBinaryOp_Equality) || (binaryOp == BfBinaryOp_InEquality))
|
|
{
|
|
auto constant = mModule->mBfIRBuilder->GetConstant(otherTypedValue->mValue);
|
|
if ((constant != NULL) && (mModule->mBfIRBuilder->IsInt(constant->mTypeCode)) && (constant->mInt64 == 0))
|
|
needsOtherCast = false;
|
|
}
|
|
|
|
// Allow integer offsetting
|
|
if ((binaryOp == BfBinaryOp_Add) || (binaryOp == BfBinaryOp_Subtract) || (binaryOp == BfBinaryOp_OverflowAdd) || (binaryOp == BfBinaryOp_OverflowSubtract))
|
|
{
|
|
if (otherType->IsIntegral())
|
|
needsOtherCast = false;
|
|
}
|
|
}
|
|
|
|
if (needsOtherCast)
|
|
{
|
|
// The only purpose of this cast is to potentially throw a casting error
|
|
BfIRValue otherCastResult = mModule->CastToValue(otherTypeSrc, *otherTypedValue, resultType, explicitCast ? BfCastFlags_Explicit : BfCastFlags_None);
|
|
if (!otherCastResult)
|
|
return;
|
|
}
|
|
}
|
|
|
|
auto underlyingType = resultType->GetUnderlyingType();
|
|
|
|
if ((binaryOp == BfBinaryOp_Subtract) && (otherTypedValue->mType == resultType))
|
|
{
|
|
intptr maxDist = 0;
|
|
auto resultTypeInstance = resultType->ToTypeInstance();
|
|
if ((resultTypeInstance != NULL) && (resultTypeInstance->mTypeInfoEx != NULL))
|
|
maxDist = resultTypeInstance->mTypeInfoEx->mMaxValue - resultTypeInstance->mTypeInfoEx->mMinValue;
|
|
|
|
if (maxDist >= 0x80000000UL)
|
|
resultType = mModule->GetPrimitiveType(BfTypeCode_Int64);
|
|
else if (maxDist >= 0x8000)
|
|
resultType = mModule->GetPrimitiveType(BfTypeCode_Int32);
|
|
else if (maxDist >= 0x80)
|
|
resultType = mModule->GetPrimitiveType(BfTypeCode_Int16);
|
|
else
|
|
resultType = mModule->GetPrimitiveType(BfTypeCode_Int8);
|
|
underlyingType = resultType;
|
|
}
|
|
|
|
BfIRValue convResultValue;
|
|
if (resultTypedValue->mType == resultType)
|
|
convResultValue = mModule->LoadValue(*resultTypedValue).mValue;
|
|
else
|
|
convResultValue = mModule->CastToValue(resultTypeSrc, *resultTypedValue, underlyingType, BfCastFlags_Explicit);
|
|
|
|
BfIRValue convOtherValue;
|
|
if (otherTypedValue->mType == resultType)
|
|
convOtherValue = mModule->LoadValue(*otherTypedValue).mValue;
|
|
else
|
|
convOtherValue = mModule->CastToValue(otherTypeSrc, *otherTypedValue, underlyingType, BfCastFlags_Explicit);
|
|
|
|
if ((!underlyingType->IsValuelessType()) && ((!convResultValue) || (!convOtherValue)))
|
|
return;
|
|
|
|
if (resultTypedValue == &leftValue)
|
|
PerformBinaryOperation(underlyingType, convResultValue, convOtherValue, binaryOp, opToken);
|
|
else
|
|
PerformBinaryOperation(underlyingType, convOtherValue, convResultValue, binaryOp, opToken);
|
|
if (mResult.mType == underlyingType)
|
|
mResult.mType = resultType;
|
|
return;
|
|
}
|
|
|
|
auto _CallValueTypeEquals = [&]()
|
|
{
|
|
BfModuleMethodInstance moduleMethodInstance;
|
|
auto typeInst = leftValue.mType->ToTypeInstance();
|
|
if (typeInst != NULL)
|
|
{
|
|
if ((binaryOp == BfBinaryOp_StrictEquality) || (binaryOp == BfBinaryOp_StrictInEquality))
|
|
moduleMethodInstance = mModule->GetMethodByName(typeInst, BF_METHODNAME_DEFAULT_STRICT_EQUALS);
|
|
else
|
|
moduleMethodInstance = mModule->GetMethodByName(typeInst, BF_METHODNAME_DEFAULT_EQUALS);
|
|
}
|
|
else
|
|
{
|
|
BF_ASSERT(leftValue.mType->IsSizedArray() || leftValue.mType->IsMethodRef());
|
|
auto valueTypeInst = mModule->ResolveTypeDef(mModule->mCompiler->mValueTypeTypeDef)->ToTypeInstance();
|
|
BfMethodDef* equalsMethodDef = mModule->mCompiler->mValueTypeTypeDef->GetMethodByName("Equals");
|
|
BfTypeVector typeVec;
|
|
typeVec.push_back(leftValue.mType);
|
|
moduleMethodInstance = mModule->GetMethodInstance(valueTypeInst, equalsMethodDef, typeVec);
|
|
}
|
|
|
|
if (moduleMethodInstance)
|
|
{
|
|
if ((opToken != NULL) && (!noClassify))
|
|
mModule->SetElementType(opToken, BfSourceElementType_Method);
|
|
|
|
SizedArray<BfResolvedArg, 4> argValues;
|
|
BfResolvedArg resolvedArg;
|
|
resolvedArg.mTypedValue = leftValue;
|
|
argValues.push_back(resolvedArg);
|
|
resolvedArg.mTypedValue = rightValue;
|
|
argValues.push_back(resolvedArg);
|
|
mResult = CreateCall(opToken, BfTypedValue(), BfTypedValue(), moduleMethodInstance.mMethodInstance->mMethodDef, moduleMethodInstance, BfCreateCallFlags_None, argValues);
|
|
if ((mResult) &&
|
|
((binaryOp == BfBinaryOp_InEquality) || (binaryOp == BfBinaryOp_StrictInEquality)))
|
|
mResult.mValue = mModule->mBfIRBuilder->CreateNot(mResult.mValue);
|
|
return true;
|
|
}
|
|
return false;
|
|
};
|
|
|
|
//if (((leftValue.mType->IsComposite()) || (leftValue.mType->IsObject())))
|
|
|
|
if (((resultType->IsComposite()) || (resultType->IsObject())))
|
|
{
|
|
bool areEquivalentTuples = false;
|
|
if ((leftValue.mType->IsTuple()) && (rightValue.mType->IsTuple()))
|
|
{
|
|
auto leftTupleType = (BfTypeInstance*)leftValue.mType;
|
|
auto rightTupleType = (BfTypeInstance*)rightValue.mType;
|
|
|
|
// We only do this for tuples, because we would allow an implicit struct
|
|
// truncation if we allow it for all structs, which would result in only
|
|
// the base class's fields being compared
|
|
if (mModule->CanCast(rightValue, leftValue.mType))
|
|
rightValue = mModule->Cast(opToken, rightValue, leftValue.mType, BfCastFlags_Explicit);
|
|
else if (mModule->CanCast(leftValue, rightValue.mType))
|
|
leftValue = mModule->Cast(opToken, leftValue, rightValue.mType, BfCastFlags_Explicit);
|
|
}
|
|
|
|
if (leftValue.mType == rightValue.mType)
|
|
{
|
|
if (BfBinOpEqualityCheck(binaryOp))
|
|
{
|
|
auto intCoercibleType = mModule->GetIntCoercibleType(leftValue.mType);
|
|
if (intCoercibleType != NULL)
|
|
{
|
|
auto intLHS = mModule->GetIntCoercible(leftValue);
|
|
auto intRHS = mModule->GetIntCoercible(rightValue);
|
|
auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
|
|
|
|
if ((binaryOp == BfBinaryOp_Equality) || (binaryOp == BfBinaryOp_StrictEquality))
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpEQ(intLHS.mValue, intRHS.mValue), boolType);
|
|
else
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpNE(intLHS.mValue, intRHS.mValue), boolType);
|
|
return;
|
|
}
|
|
|
|
// Valueless types always compare as 'equal' if we can ensure no members could have an equality operator overload
|
|
if (leftValue.mType->IsComposite())
|
|
{
|
|
mModule->PopulateType(leftValue.mType);
|
|
if (leftValue.mType->IsValuelessType())
|
|
{
|
|
bool mayHaveEqualOverload = false;
|
|
auto leftTypeInst = leftValue.mType->ToTypeInstance();
|
|
if (leftTypeInst != NULL)
|
|
{
|
|
std::function<bool(BfType*)> _HasTypeInstance = [&](BfType* type)
|
|
{
|
|
if (type == NULL)
|
|
return false;
|
|
|
|
if (type->IsTypeInstance())
|
|
return true;
|
|
|
|
if (type->IsSizedArray())
|
|
return _HasTypeInstance(((BfSizedArrayType*)type)->mElementType);
|
|
|
|
return false;
|
|
};
|
|
|
|
for (auto& fieldInstance : leftTypeInst->mFieldInstances)
|
|
{
|
|
if (_HasTypeInstance(fieldInstance.mResolvedType))
|
|
mayHaveEqualOverload = true;
|
|
}
|
|
}
|
|
|
|
if (!mayHaveEqualOverload)
|
|
{
|
|
auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
|
|
bool isEqual = (binaryOp == BfBinaryOp_Equality) || (binaryOp == BfBinaryOp_StrictEquality);
|
|
mResult = BfTypedValue(mModule->GetConstValue(isEqual ? 1 : 0, boolType), boolType);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (_CallValueTypeEquals())
|
|
return;
|
|
}
|
|
|
|
if (PerformBinaryOperation_Numeric(leftExpression, rightExpression, binaryOp, opToken, flags, leftValue, rightValue))
|
|
return;
|
|
|
|
if (mModule->PreFail())
|
|
{
|
|
mModule->Fail(StrFormat("Operator '%s' cannot be applied to operands of type '%s'",
|
|
BfGetOpName(binaryOp),
|
|
mModule->TypeToString(leftValue.mType).c_str()), opToken);
|
|
}
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
bool handled = false;
|
|
|
|
for (int pass = 0; pass < 2; pass++)
|
|
{
|
|
BfTypedValue& fromValue = (pass == 0) ? leftValue : rightValue;
|
|
BfType* toType = (pass == 0) ? rightValue.mType : leftValue.mType;
|
|
|
|
if (mModule->CanCast(fromValue, toType))
|
|
{
|
|
auto result = mModule->Cast(opToken, fromValue, toType);
|
|
if (result)
|
|
{
|
|
resultType = toType;
|
|
fromValue = result;
|
|
handled = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!handled)
|
|
{
|
|
if ((leftValue.mType->IsUndefSizedArray()) || (rightValue.mType->IsUndefSizedArray()))
|
|
{
|
|
if ((leftValue.mType->IsSizedArray()) && (rightValue.mType->IsSizedArray() &&
|
|
(leftValue.mType->GetUnderlyingType() == rightValue.mType->GetUnderlyingType())))
|
|
{
|
|
if (BfBinOpEqualityCheck(binaryOp))
|
|
{
|
|
auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
|
|
mResult = mModule->GetDefaultTypedValue(boolType, false, BfDefaultValueKind_Undef);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (PerformBinaryOperation_Numeric(leftExpression, rightExpression, binaryOp, opToken, flags, leftValue, rightValue))
|
|
return;
|
|
|
|
mModule->Fail(StrFormat("Operator '%s' cannot be applied to operands of type '%s' and '%s'",
|
|
BfGetOpName(binaryOp),
|
|
mModule->TypeToString(leftValue.mType).c_str(),
|
|
mModule->TypeToString(rightValue.mType).c_str()), opToken);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (resultType->IsMethodRef() && otherType->IsMethodRef())
|
|
{
|
|
if (BfBinOpEqualityCheck(binaryOp))
|
|
{
|
|
auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
|
|
|
|
BfMethodRefType* lhsMethodRefType = (BfMethodRefType*)leftValue.mType;
|
|
BfMethodRefType* rhsMethodRefType = (BfMethodRefType*)rightValue.mType;
|
|
if (lhsMethodRefType->mMethodRef != rhsMethodRefType->mMethodRef)
|
|
{
|
|
mResult = BfTypedValue(mModule->GetConstValue(((binaryOp == BfBinaryOp_Equality) || (binaryOp == BfBinaryOp_StrictEquality)) ? 0 : 1, boolType), boolType);
|
|
return;
|
|
}
|
|
|
|
if (_CallValueTypeEquals())
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (resultType->IsIntegral())
|
|
{
|
|
if ((binaryOp == BfBinaryOp_LeftShift) || (binaryOp == BfBinaryOp_RightShift))
|
|
{
|
|
if (rightValue.mValue.IsConst())
|
|
{
|
|
auto constVal = mModule->mBfIRBuilder->GetConstant(rightValue.mValue);
|
|
if ((constVal->mInt64 < 0) || (constVal->mInt64 >= 8 * resultType->mSize))
|
|
{
|
|
mModule->Fail(StrFormat("Shift value '%lld' is out of range for type '%s'", constVal->mInt64, mModule->TypeToString(resultType).c_str()), opToken);
|
|
}
|
|
}
|
|
}
|
|
|
|
// We're trying a simplified scheme that doesn't always try to up-convert into an 'int'
|
|
if (leftValue.mType != rightValue.mType)
|
|
{
|
|
bool isBitwiseExpr =
|
|
(binaryOp == BfBinaryOp_BitwiseAnd) ||
|
|
(binaryOp == BfBinaryOp_BitwiseOr) ||
|
|
(binaryOp == BfBinaryOp_ExclusiveOr) ||
|
|
(binaryOp == BfBinaryOp_LeftShift) ||
|
|
(binaryOp == BfBinaryOp_RightShift) ||
|
|
(binaryOp == BfBinaryOp_Equality) ||
|
|
(binaryOp == BfBinaryOp_InEquality) ||
|
|
(binaryOp == BfBinaryOp_StrictEquality) ||
|
|
(binaryOp == BfBinaryOp_StrictInEquality);
|
|
|
|
if ((binaryOp == BfBinaryOp_LeftShift) || (binaryOp == BfBinaryOp_RightShift))
|
|
{
|
|
// For shifts we have more lenient rules - shifts are naturally limited so any int type is equally valid
|
|
if (rightValue.mType->IsIntegral())
|
|
explicitCast = true;
|
|
}
|
|
else if (((binaryOp == BfBinaryOp_Add) || (binaryOp == BfBinaryOp_Subtract) || (binaryOp == BfBinaryOp_OverflowAdd) || (binaryOp == BfBinaryOp_OverflowSubtract)) && (resultType->IsChar()) && (otherType->IsInteger()))
|
|
{
|
|
// charVal += intVal;
|
|
explicitCast = true;
|
|
}
|
|
else if ((!resultType->IsSigned()) && (otherType->IsSigned()))
|
|
{
|
|
if (mModule->CanCast(*otherTypedValue, resultType))
|
|
{
|
|
// If we can convert the 'other' value implicitly then it's a convertible literal, leave as uint
|
|
}
|
|
else
|
|
{
|
|
mModule->Fail(StrFormat("Operator cannot be applied to operands of type '%s' and '%s'",
|
|
mModule->TypeToString(leftValue.mType).c_str(),
|
|
mModule->TypeToString(rightValue.mType).c_str()), opToken);
|
|
return;
|
|
}
|
|
}
|
|
else if ((isBitwiseExpr) && (otherType->IsIntegral()) && (resultType->mSize == otherType->mSize))
|
|
{
|
|
// Forget about signed/unsigned mismatches for bitwise operations
|
|
explicitCast = true;
|
|
}
|
|
else
|
|
{
|
|
if (((binaryOp == BfBinaryOp_Subtract) || (binaryOp == BfBinaryOp_OverflowSubtract)) &&
|
|
(resultType->IsChar()) && (otherType->IsChar()))
|
|
{
|
|
// "wchar - char" subtraction will always fit into int32, because of unicode range
|
|
resultType = mModule->GetPrimitiveType(BfTypeCode_Int32);
|
|
explicitCast = true;
|
|
}
|
|
else if ((otherType->IsChar()) &&
|
|
((binaryOp == BfBinaryOp_Add) || (binaryOp == BfBinaryOp_Subtract) || (binaryOp == BfBinaryOp_OverflowAdd) || (binaryOp == BfBinaryOp_OverflowSubtract)))
|
|
{
|
|
mModule->Fail(StrFormat("Cannot perform operation between types '%s' and '%s'",
|
|
mModule->TypeToString(leftValue.mType).c_str(),
|
|
mModule->TypeToString(rightValue.mType).c_str()), opToken);
|
|
}
|
|
}
|
|
}
|
|
else if ((!resultType->IsSigned()) && (binaryOp == BfBinaryOp_Subtract) && (!forceLeftType))
|
|
{
|
|
if ((mExpectingType == NULL) || (mExpectingType->IsSigned()) || (resultType->IsChar()))
|
|
{
|
|
if ((resultType->IsChar()) && (resultType->mSize == 4))
|
|
{
|
|
// "wchar - wchar" subtraction will always fit into int32, because of unicode range
|
|
resultType = mModule->GetPrimitiveType(BfTypeCode_Int32);
|
|
}
|
|
else
|
|
{
|
|
// The result of uint8 - uint8 is int16 (for example)
|
|
switch (resultType->mSize)
|
|
{
|
|
case 1:
|
|
resultType = mModule->GetPrimitiveType(BfTypeCode_Int16);
|
|
break;
|
|
case 2:
|
|
resultType = mModule->GetPrimitiveType(BfTypeCode_Int32);
|
|
break;
|
|
case 4:
|
|
resultType = mModule->GetPrimitiveType(BfTypeCode_Int64);
|
|
break;
|
|
}
|
|
}
|
|
explicitCast = true;
|
|
}
|
|
}
|
|
else if (resultType->IsChar())
|
|
{
|
|
bool canDoOp =
|
|
(binaryOp == BfBinaryOp_BitwiseAnd) ||
|
|
(binaryOp == BfBinaryOp_BitwiseOr) ||
|
|
((binaryOp >= BfBinaryOp_Equality) && (binaryOp <= BfBinaryOp_Compare));
|
|
if (!canDoOp)
|
|
{
|
|
mModule->Fail(StrFormat("Cannot perform operation on type '%s'", mModule->TypeToString(resultType).c_str()), opToken);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!convLeftValue)
|
|
convLeftValue = mModule->CastToValue(leftExpression, leftValue, resultType,
|
|
explicitCast ? (BfCastFlags)(BfCastFlags_Explicit | BfCastFlags_FromCompiler) : BfCastFlags_None);
|
|
if (!convRightValue)
|
|
convRightValue = mModule->CastToValue(rightExpression, rightValue, resultType,
|
|
explicitCast ? (BfCastFlags)(BfCastFlags_Explicit | BfCastFlags_FromCompiler) : BfCastFlags_None);
|
|
|
|
PerformBinaryOperation(resultType, convLeftValue, convRightValue, binaryOp, opToken);
|
|
}
|
|
|
|
void BfExprEvaluator::PerformBinaryOperation(BfType* resultType, BfIRValue convLeftValue, BfIRValue convRightValue, BfBinaryOp binaryOp, BfAstNode* opToken)
|
|
{
|
|
if (resultType->IsValuelessType())
|
|
{
|
|
switch (binaryOp)
|
|
{
|
|
case BfBinaryOp_Equality:
|
|
case BfBinaryOp_StrictEquality:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, 1),
|
|
mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
return;
|
|
case BfBinaryOp_InEquality:
|
|
case BfBinaryOp_StrictInEquality:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, 0),
|
|
mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
return;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ((!convLeftValue) || (!convRightValue))
|
|
return;
|
|
|
|
if (resultType->IsPrimitiveType())
|
|
{
|
|
auto primType = (BfPrimitiveType*)resultType;
|
|
if (primType->mTypeDef->mTypeCode == BfTypeCode_Boolean)
|
|
{
|
|
bool passThrough = false;
|
|
switch (binaryOp)
|
|
{
|
|
case BfBinaryOp_Equality:
|
|
case BfBinaryOp_StrictEquality:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpEQ(convLeftValue, convRightValue),
|
|
mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
break;
|
|
case BfBinaryOp_InEquality:
|
|
case BfBinaryOp_StrictInEquality:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpNE(convLeftValue, convRightValue),
|
|
mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
break;
|
|
case BfBinaryOp_BitwiseAnd:
|
|
case BfBinaryOp_ConditionalAnd:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateAnd(convLeftValue, convRightValue),
|
|
mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
break;
|
|
case BfBinaryOp_BitwiseOr:
|
|
case BfBinaryOp_ConditionalOr:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateOr(convLeftValue, convRightValue),
|
|
mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
break;
|
|
case BfBinaryOp_ExclusiveOr:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateXor(convLeftValue, convRightValue),
|
|
mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
break;
|
|
case BfBinaryOp_Compare:
|
|
passThrough = true;
|
|
break;
|
|
default:
|
|
if (mModule->PreFail())
|
|
mModule->Fail("Invalid operation for booleans", opToken);
|
|
break;
|
|
}
|
|
if (!passThrough)
|
|
return;
|
|
}
|
|
}
|
|
|
|
if ((!resultType->IsIntegralOrBool()) && (!resultType->IsFloat()))
|
|
{
|
|
if (mModule->PreFail())
|
|
mModule->Fail(StrFormat("Cannot perform operation on type '%s'", mModule->TypeToString(resultType).c_str()), opToken);
|
|
return;
|
|
}
|
|
|
|
if (resultType->IsIntegral())
|
|
{
|
|
switch (binaryOp)
|
|
{
|
|
case BfBinaryOp_BitwiseAnd:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateAnd(convLeftValue, convRightValue), resultType);
|
|
return;
|
|
case BfBinaryOp_BitwiseOr:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateOr(convLeftValue, convRightValue), resultType);
|
|
return;
|
|
case BfBinaryOp_ExclusiveOr:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateXor(convLeftValue, convRightValue), resultType);
|
|
return;
|
|
case BfBinaryOp_LeftShift:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateShl(convLeftValue, convRightValue), resultType);
|
|
mModule->CheckRangeError(resultType, opToken);
|
|
return;
|
|
case BfBinaryOp_RightShift:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateShr(convLeftValue, convRightValue, resultType->IsSigned()), resultType);
|
|
return;
|
|
default: break;
|
|
}
|
|
}
|
|
|
|
if ((resultType->IsChar()) &&
|
|
((binaryOp == BfBinaryOp_Multiply) ||
|
|
(binaryOp == BfBinaryOp_OverflowMultiply) ||
|
|
(binaryOp == BfBinaryOp_Divide) ||
|
|
(binaryOp == BfBinaryOp_Modulus)))
|
|
{
|
|
mModule->Fail(StrFormat("Cannot perform operation on type '%s'", mModule->TypeToString(resultType).c_str()), opToken);
|
|
return;
|
|
}
|
|
|
|
auto _GetOverflowKind = [&](bool wantOverflow)
|
|
{
|
|
if (resultType->IsFloat())
|
|
return BfOverflowCheckKind_None;
|
|
if (!wantOverflow)
|
|
return BfOverflowCheckKind_None;
|
|
if (mModule->GetDefaultCheckedKind() != BfCheckedKind_Checked)
|
|
return BfOverflowCheckKind_None;
|
|
|
|
bool arithmeticChecks = mModule->mCompiler->mOptions.mArithmeticChecks;
|
|
auto typeOptions = mModule->GetTypeOptions();
|
|
if (typeOptions != NULL)
|
|
arithmeticChecks = typeOptions->Apply(arithmeticChecks, BfOptionFlags_ArithmeticCheck);
|
|
if (!arithmeticChecks)
|
|
return BfOverflowCheckKind_None;
|
|
|
|
BfOverflowCheckKind overflowCheckKind = (resultType->IsSigned()) ? BfOverflowCheckKind_Signed : BfOverflowCheckKind_Unsigned;
|
|
if (!mModule->IsOptimized())
|
|
overflowCheckKind = (BfOverflowCheckKind)(overflowCheckKind | BfOverflowCheckKind_Flag_UseAsm);
|
|
return overflowCheckKind;
|
|
};
|
|
|
|
switch (binaryOp)
|
|
{
|
|
case BfBinaryOp_Add:
|
|
case BfBinaryOp_OverflowAdd:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateAdd(convLeftValue, convRightValue, _GetOverflowKind(binaryOp == BfBinaryOp_Add)), resultType);
|
|
if (binaryOp != BfBinaryOp_OverflowAdd)
|
|
mModule->CheckRangeError(resultType, opToken);
|
|
break;
|
|
case BfBinaryOp_Subtract:
|
|
case BfBinaryOp_OverflowSubtract:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateSub(convLeftValue, convRightValue, _GetOverflowKind(binaryOp == BfBinaryOp_Subtract)), resultType);
|
|
if (binaryOp != BfBinaryOp_OverflowSubtract)
|
|
mModule->CheckRangeError(resultType, opToken);
|
|
break;
|
|
case BfBinaryOp_Multiply:
|
|
case BfBinaryOp_OverflowMultiply:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateMul(convLeftValue, convRightValue, _GetOverflowKind(binaryOp == BfBinaryOp_Multiply)), resultType);
|
|
if (binaryOp != BfBinaryOp_OverflowMultiply)
|
|
mModule->CheckRangeError(resultType, opToken);
|
|
break;
|
|
case BfBinaryOp_Divide:
|
|
{
|
|
bool isZero = false;
|
|
if (convRightValue.IsConst())
|
|
{
|
|
auto constVal = mModule->mBfIRBuilder->GetConstant(convRightValue);
|
|
if (BfIRBuilder::IsInt(constVal->mTypeCode))
|
|
isZero = constVal->mInt64 == 0;
|
|
}
|
|
if (isZero)
|
|
{
|
|
mModule->Fail("Divide by zero", opToken);
|
|
mResult = mModule->GetDefaultTypedValue(resultType);
|
|
}
|
|
else
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateDiv(convLeftValue, convRightValue, resultType->IsSigned()), resultType);
|
|
}
|
|
break;
|
|
case BfBinaryOp_Modulus:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateRem(convLeftValue, convRightValue, resultType->IsSigned()), resultType);
|
|
break;
|
|
case BfBinaryOp_Equality:
|
|
case BfBinaryOp_StrictEquality:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpEQ(convLeftValue, convRightValue),
|
|
mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
break;
|
|
case BfBinaryOp_InEquality:
|
|
case BfBinaryOp_StrictInEquality:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpNE(convLeftValue, convRightValue),
|
|
mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
break;
|
|
case BfBinaryOp_LessThan:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpLT(convLeftValue, convRightValue, resultType->IsSigned()),
|
|
mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
break;
|
|
case BfBinaryOp_LessThanOrEqual:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpLTE(convLeftValue, convRightValue, resultType->IsSigned()),
|
|
mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
break;
|
|
case BfBinaryOp_GreaterThan:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpGT(convLeftValue, convRightValue, resultType->IsSigned()),
|
|
mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
break;
|
|
case BfBinaryOp_GreaterThanOrEqual:
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpGTE(convLeftValue, convRightValue, resultType->IsSigned()),
|
|
mModule->GetPrimitiveType(BfTypeCode_Boolean));
|
|
break;
|
|
case BfBinaryOp_Compare:
|
|
{
|
|
auto intType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
|
|
if ((convLeftValue.IsConst()) && (convRightValue.IsConst()))
|
|
{
|
|
auto cmpLtVal = mModule->mBfIRBuilder->CreateCmpLT(convLeftValue, convRightValue, resultType->IsSigned());
|
|
auto ltConstant = mModule->mBfIRBuilder->GetConstant(cmpLtVal);
|
|
if (ltConstant->mBool)
|
|
{
|
|
mResult = BfTypedValue(mModule->GetConstValue(-1, mModule->GetPrimitiveType(BfTypeCode_IntPtr)), intType);
|
|
}
|
|
else
|
|
{
|
|
auto cmpGtVal = mModule->mBfIRBuilder->CreateCmpGT(convLeftValue, convRightValue, resultType->IsSigned());
|
|
auto rtConstant = mModule->mBfIRBuilder->GetConstant(cmpGtVal);
|
|
if (rtConstant->mBool)
|
|
mResult = BfTypedValue(mModule->GetConstValue(1, mModule->GetPrimitiveType(BfTypeCode_IntPtr)), intType);
|
|
else
|
|
mResult = BfTypedValue(mModule->GetConstValue(0, mModule->GetPrimitiveType(BfTypeCode_IntPtr)), intType);
|
|
}
|
|
}
|
|
else if ((resultType->IsIntegralOrBool()) && (resultType->mSize < intType->mSize))
|
|
{
|
|
auto leftIntValue = mModule->mBfIRBuilder->CreateNumericCast(convLeftValue, resultType->IsSigned(), BfTypeCode_IntPtr);
|
|
auto rightIntValue = mModule->mBfIRBuilder->CreateNumericCast(convRightValue, resultType->IsSigned(), BfTypeCode_IntPtr);
|
|
mResult = BfTypedValue(mModule->mBfIRBuilder->CreateSub(leftIntValue, rightIntValue), intType);
|
|
}
|
|
else
|
|
{
|
|
BfIRBlock checkGtBlock = mModule->mBfIRBuilder->CreateBlock("cmpCheckGt");
|
|
BfIRBlock eqBlock = mModule->mBfIRBuilder->CreateBlock("cmpEq");
|
|
BfIRBlock endBlock = mModule->mBfIRBuilder->CreateBlock("cmpEnd");
|
|
|
|
auto startBlock = mModule->mBfIRBuilder->GetInsertBlock();
|
|
|
|
auto cmpLtVal = mModule->mBfIRBuilder->CreateCmpLT(convLeftValue, convRightValue, resultType->IsSigned());
|
|
mModule->mBfIRBuilder->CreateCondBr(cmpLtVal, endBlock, checkGtBlock);
|
|
|
|
mModule->mBfIRBuilder->AddBlock(checkGtBlock);
|
|
mModule->mBfIRBuilder->SetInsertPoint(checkGtBlock);
|
|
auto cmpGtVal = mModule->mBfIRBuilder->CreateCmpGT(convLeftValue, convRightValue, resultType->IsSigned());
|
|
mModule->mBfIRBuilder->CreateCondBr(cmpGtVal, endBlock, eqBlock);
|
|
|
|
mModule->mBfIRBuilder->AddBlock(eqBlock);
|
|
mModule->mBfIRBuilder->SetInsertPoint(eqBlock);
|
|
mModule->mBfIRBuilder->CreateBr(endBlock);
|
|
|
|
mModule->mBfIRBuilder->AddBlock(endBlock);
|
|
mModule->mBfIRBuilder->SetInsertPoint(endBlock);
|
|
auto phiVal = mModule->mBfIRBuilder->CreatePhi(mModule->mBfIRBuilder->MapType(intType), 3);
|
|
mModule->mBfIRBuilder->AddPhiIncoming(phiVal, mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, -1), startBlock);
|
|
mModule->mBfIRBuilder->AddPhiIncoming(phiVal, mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, 1), checkGtBlock);
|
|
mModule->mBfIRBuilder->AddPhiIncoming(phiVal, mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, 0), eqBlock);
|
|
|
|
mResult = BfTypedValue(phiVal, intType);
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
if (mModule->PreFail())
|
|
mModule->Fail("Invalid operation", opToken);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void BfExprEvaluator::Visit(BfBinaryOperatorExpression* binOpExpr)
|
|
{
|
|
BfAutoParentNodeEntry autoParentNodeEntry(mModule, binOpExpr);
|
|
|
|
// There are a few binary operations that could actually be casts followed by an unary operation
|
|
// We can't determine that until we know whether the identifier in the parens is a typename or not
|
|
// (double)-1.0 (intptr)&val (BaseStruct)*val
|
|
BfUnaryOp unaryOp = BfUnaryOp_None;
|
|
switch (binOpExpr->mOp)
|
|
{
|
|
case BfBinaryOp_Add: unaryOp = BfUnaryOp_Positive; break;
|
|
case BfBinaryOp_Subtract: unaryOp = BfUnaryOp_Negate; break;
|
|
case BfBinaryOp_Multiply: unaryOp = BfUnaryOp_Dereference; break;
|
|
case BfBinaryOp_BitwiseAnd: unaryOp = BfUnaryOp_AddressOf; break;
|
|
default: break;
|
|
}
|
|
|
|
if (unaryOp != BfUnaryOp_None)
|
|
{
|
|
if (auto parenExpr = BfNodeDynCast<BfParenthesizedExpression>(binOpExpr->mLeft))
|
|
{
|
|
if (auto castTypeExpr = BfNodeDynCast<BfIdentifierNode>(parenExpr->mExpression))
|
|
{
|
|
SetAndRestoreValue<bool> prevIgnoreError(mModule->mIgnoreErrors, true);
|
|
auto resolvedType = mModule->ResolveTypeRef(castTypeExpr, NULL);
|
|
prevIgnoreError.Restore();
|
|
|
|
if (resolvedType != NULL)
|
|
{
|
|
if (auto rightBinOpExpr = BfNodeDynCast<BfBinaryOperatorExpression>(binOpExpr->mRight))
|
|
{
|
|
int leftPrecedence = BfGetBinaryOpPrecendence(binOpExpr->mOp);
|
|
int rightPrecedence = BfGetBinaryOpPrecendence(rightBinOpExpr->mOp);
|
|
// Do we have a precedence order issue due to mis-parsing this?
|
|
// An example is: "(int)-5.5 * 10"
|
|
if (rightPrecedence > leftPrecedence)
|
|
{
|
|
mModule->FailAfter("Cast target must be wrapped in parentheses", binOpExpr->mLeft);
|
|
}
|
|
}
|
|
|
|
PerformUnaryOperation(binOpExpr->mRight, unaryOp, binOpExpr->mOpToken, BfUnaryOpFlag_None);
|
|
if (mResult)
|
|
{
|
|
mResult = mModule->LoadValue(mResult);
|
|
mResult = mModule->Cast(binOpExpr, mResult, resolvedType, BfCastFlags_Explicit);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((binOpExpr->mOp == BfBinaryOp_LeftShift) || (binOpExpr->mOp == BfBinaryOp_RightShift) ||
|
|
(binOpExpr->mOp == BfBinaryOp_BitwiseAnd) || (binOpExpr->mOp == BfBinaryOp_BitwiseOr) ||
|
|
(binOpExpr->mOp == BfBinaryOp_ExclusiveOr))
|
|
{
|
|
for (int side = 0; side < 2; side++)
|
|
{
|
|
if (auto innerBinOpExpr = BfNodeDynCast<BfBinaryOperatorExpression>((side == 0) ? binOpExpr->mLeft : binOpExpr->mRight))
|
|
{
|
|
if ((innerBinOpExpr->mOp == BfBinaryOp_Add) || (innerBinOpExpr->mOp == BfBinaryOp_Subtract))
|
|
{
|
|
mModule->Warn(BfWarning_C4554_PossiblePrecedenceError, "Check operator precedence for possible error. Consider using parentheses to clarify precedence", innerBinOpExpr);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (binOpExpr->mRight == NULL)
|
|
{
|
|
// We visit the children for autocompletion only
|
|
if (binOpExpr->mLeft != NULL)
|
|
VisitChild(binOpExpr->mLeft);
|
|
|
|
if (mResult)
|
|
{
|
|
auto autoComplete = GetAutoComplete();
|
|
if (autoComplete != NULL)
|
|
autoComplete->CheckEmptyStart(binOpExpr->mOpToken, mResult.mType);
|
|
}
|
|
|
|
if (binOpExpr->mRight != NULL)
|
|
VisitChild(binOpExpr->mRight);
|
|
return;
|
|
}
|
|
|
|
PerformBinaryOperation(binOpExpr->mLeft, binOpExpr->mRight, binOpExpr->mOp, binOpExpr->mOpToken, BfBinOpFlag_None);
|
|
}
|