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Allow '...' varargs in delegate and function types

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This commit is contained in:
Brian Fiete 2021-02-02 07:08:55 -08:00
parent 7e139f5d7c
commit b916273a97
5 changed files with 95 additions and 19 deletions
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5
IDEHelper/Compiler/BfMangler.cpp
View file

@ -1214,6 +1214,11 @@ bool BfMSMangler::FindOrCreateNameSub(MangleContext& mangleContext, StringImpl&
{
name += "_";
name += methodDef->mParams[paramIdx]->mName;
if (methodDef->mParams[paramIdx]->mParamKind == BfParamKind_VarArgs)
{
name += "__varargs";
continue;
}
typeVec.push_back(BfNodeDynCast<BfDirectTypeReference>(methodDef->mParams[paramIdx]->mTypeRef)->mType);
}
name += '@';

32
IDEHelper/Compiler/BfModuleTypeUtils.cpp
View file

@ -7629,6 +7629,7 @@ BfType* BfModule::ResolveGenericType(BfType* unspecializedType, BfTypeVector* ty
methodDef->mReturnTypeRef = directTypeRef;
delegateInfo->mReturnType = returnType;
delegateInfo->mHasExplicitThis = unspecializedDelegateInfo->mHasExplicitThis;
delegateInfo->mHasVarArgs = unspecializedDelegateInfo->mHasVarArgs;
int paramIdx = 0;
for (int paramIdx = 0; paramIdx < (int)paramTypes.size(); paramIdx++)
@ -10197,13 +10198,28 @@ BfType* BfModule::ResolveTypeRef(BfTypeReference* typeRef, BfPopulateType popula
bool hasMutSpecifier = false;
bool isFirst = true;
bool isDelegate = delegateTypeRef->mTypeToken->GetToken() == BfToken_Delegate;
bool hasVarArgs = false;
Array<BfType*> paramTypes;
for (auto param : delegateTypeRef->mParams)
for (int paramIdx = 0; paramIdx < delegateTypeRef->mParams.size(); paramIdx++)
{
auto param = delegateTypeRef->mParams[paramIdx];
BfResolveTypeRefFlags resolveTypeFlags = BfResolveTypeRefFlag_AllowRef;
if ((param->mNameNode != NULL) && (param->mNameNode->Equals("this")))
resolveTypeFlags = (BfResolveTypeRefFlags)(resolveTypeFlags | BfResolveTypeRefFlag_NoWarnOnMut);
if (paramIdx == delegateTypeRef->mParams.size() - 1)
{
if (auto dotTypeRef = BfNodeDynCast<BfDotTypeReference>(param->mTypeRef))
{
if (dotTypeRef->mDotToken->mToken == BfToken_DotDotDot)
{
hasVarArgs = true;
continue;
}
}
}
auto paramType = ResolveTypeRef(param->mTypeRef, BfPopulateType_Declaration, resolveTypeFlags);
if (paramType == NULL)
{
@ -10332,6 +10348,7 @@ BfType* BfModule::ResolveTypeRef(BfTypeReference* typeRef, BfPopulateType popula
methodDef->mReturnTypeRef = directTypeRef;
delegateInfo->mReturnType = returnType;
delegateInfo->mHasExplicitThis = functionThisType != NULL;
delegateInfo->mHasVarArgs = hasVarArgs;
auto hashVal = mContext->mResolvedTypes.Hash(typeRef, &lookupCtx);
@ -10366,6 +10383,13 @@ BfType* BfModule::ResolveTypeRef(BfTypeReference* typeRef, BfPopulateType popula
delegateInfo->mParams.Add(paramType);
}
if (delegateInfo->mHasVarArgs)
{
BfParameterDef* paramDef = new BfParameterDef();
paramDef->mParamKind = BfParamKind_VarArgs;
methodDef->mParams.push_back(paramDef);
}
typeDef->mMethods.push_back(methodDef);
if (failed)
@ -13073,6 +13097,12 @@ void BfModule::DoTypeToString(StringImpl& str, BfType* resolvedType, BfTypeNameF
auto paramDef = methodDef->mParams[paramIdx];
BfTypeNameFlags innerFlags = (BfTypeNameFlags)(typeNameFlags & ~(BfTypeNameFlag_OmitNamespace | BfTypeNameFlag_OmitOuterType | BfTypeNameFlag_ExtendedInfo));
if (paramDef->mParamKind == BfParamKind_VarArgs)
{
str += "...";
continue;
}
auto paramType = delegateInfo->mParams[paramIdx];
if ((paramIdx == 0) && (delegateInfo->mHasExplicitThis))
{

10
IDEHelper/Compiler/BfReducer.cpp
View file

@ -9262,6 +9262,15 @@ bool BfReducer::ParseMethod(BfMethodDeclaration* methodDeclaration, SizedArrayIm
methodDeclaration->mOpenParen = tokenNode;
MoveNode(methodDeclaration->mOpenParen, methodDeclaration);
bool isFunction = false;
bool isDelegate = false;
if ((mCurTypeDecl->mTypeNode != NULL) && (mCurTypeDecl->mTypeNode->GetToken() == BfToken_Function))
isFunction = true;
else if ((mCurTypeDecl->mTypeNode != NULL) && (mCurTypeDecl->mTypeNode->GetToken() == BfToken_Delegate))
isDelegate = true;
if ((!isFunction) && (!isDelegate))
{
if (auto nextToken = BfNodeDynCast<BfTokenNode>(mVisitorPos.GetNext()))
{
if (nextToken->mToken == BfToken_This)
@ -9270,6 +9279,7 @@ bool BfReducer::ParseMethod(BfMethodDeclaration* methodDeclaration, SizedArrayIm
mVisitorPos.MoveNext();
}
}
}
methodDeclaration->mCloseParen = ParseMethodParams(methodDeclaration, params, commas, BfToken_RParen, true);

37
IDEHelper/Compiler/BfResolvedTypeUtils.cpp
View file

@ -2736,6 +2736,7 @@ BfResolvedTypeSet::~BfResolvedTypeSet()
#define HASH_DELEGATE 11
#define HASH_CONSTEXPR 12
#define HASH_GLOBAL 13
#define HASH_DOTDOTDOT 14
BfVariant BfResolvedTypeSet::EvaluateToVariant(LookupContext* ctx, BfExpression* expr, BfType*& outType)
{
@ -2808,7 +2809,12 @@ int BfResolvedTypeSet::Hash(BfType* type, LookupContext* ctx, bool allowRef)
auto methodDef = typeInst->mTypeDef->mMethods[0];
BF_ASSERT(methodDef->mName == "Invoke");
BF_ASSERT(delegateInfo->mParams.size() == methodDef->mParams.size());
int infoParamCount = (int)delegateInfo->mParams.size();
if (delegateInfo->mHasVarArgs)
infoParamCount++;
BF_ASSERT(infoParamCount == methodDef->mParams.size());
for (int paramIdx = 0; paramIdx < delegateInfo->mParams.size(); paramIdx++)
{
@ -2819,6 +2825,9 @@ int BfResolvedTypeSet::Hash(BfType* type, LookupContext* ctx, bool allowRef)
hashVal = ((hashVal ^ (nameHash)) << 5) - hashVal;
}
if (delegateInfo->mHasVarArgs)
hashVal = ((hashVal ^ HASH_DOTDOTDOT) << 5) - hashVal;
return hashVal;
}
else if (type->IsTypeInstance())
@ -3397,8 +3406,9 @@ int BfResolvedTypeSet::Hash(BfTypeReference* typeRef, LookupContext* ctx, BfHash
bool isFirstParam = true;
for (auto param : delegateTypeRef->mParams)
for (int paramIdx = 0; paramIdx < delegateTypeRef->mParams.size(); paramIdx++)
{
auto param = delegateTypeRef->mParams[paramIdx];
// Parse attributes?
BfTypeReference* fieldType = param->mTypeRef;
@ -3411,7 +3421,19 @@ int BfResolvedTypeSet::Hash(BfTypeReference* typeRef, LookupContext* ctx, BfHash
}
}
hashVal = ((hashVal ^ (Hash(fieldType, ctx, BfHashFlag_AllowRef))) << 5) - hashVal;
if (paramIdx == delegateTypeRef->mParams.size() - 1)
{
if (auto dotTypeRef = BfNodeDynCastExact<BfDotTypeReference>(fieldType))
{
if (dotTypeRef->mDotToken->mToken == BfToken_DotDotDot)
{
hashVal = ((hashVal ^ HASH_DOTDOTDOT) << 5) - hashVal;
continue;
}
}
}
hashVal = ((hashVal ^ (Hash(fieldType, ctx, (BfHashFlags)(BfHashFlag_AllowRef)))) << 5) - hashVal;
hashVal = ((hashVal ^ (HashNode(param->mNameNode))) << 5) - hashVal;
isFirstParam = true;
}
@ -4032,11 +4054,16 @@ bool BfResolvedTypeSet::Equals(BfType* lhs, BfTypeReference* rhs, LookupContext*
}
}
if (lhsDelegateInfo->mParams.size() != (int)rhsDelegateType->mParams.size())
int lhsParamsCount = (int)lhsDelegateInfo->mParams.size();
if (lhsDelegateInfo->mHasVarArgs)
lhsParamsCount++;
if (lhsParamsCount != (int)rhsDelegateType->mParams.size())
return false;
for (int paramIdx = paramRefOfs; paramIdx < lhsDelegateInfo->mParams.size(); paramIdx++)
{
if (!Equals(lhsDelegateInfo->mParams[paramIdx], rhsDelegateType->mParams[paramIdx]->mTypeRef, ctx))
auto paramTypeRef = rhsDelegateType->mParams[paramIdx]->mTypeRef;
if (!Equals(lhsDelegateInfo->mParams[paramIdx], paramTypeRef, ctx))
return false;
StringView rhsParamName;
if (rhsDelegateType->mParams[paramIdx]->mNameNode != NULL)

8
IDEHelper/Compiler/BfResolvedTypeUtils.h
View file

@ -32,7 +32,8 @@ enum BfResolveTypeRefFlags
BfResolveTypeRefFlag_NoReify = 0x200,
BfResolveTypeRefFlag_NoCreate = 0x400,
BfResolveTypeRefFlag_NoWarnOnMut = 0x800,
BfResolveTypeRefFlag_DisallowComptime = 0x1000
BfResolveTypeRefFlag_DisallowComptime = 0x1000,
BfResolveTypeRefFlag_AllowDotDotDot = 0x2000
};
enum BfTypeNameFlags : uint16
@ -443,12 +444,14 @@ public:
BfType* mReturnType;
Array<BfType*> mParams;
bool mHasExplicitThis;
bool mHasVarArgs;
public:
BfDelegateInfo()
{
mReturnType = NULL;
mHasExplicitThis = false;
mHasVarArgs = false;
}
~BfDelegateInfo()
@ -2478,7 +2481,8 @@ public:
{
BfHashFlag_None = 0,
BfHashFlag_AllowRef = 1,
BfHashFlag_AllowGenericParamConstValue = 2
BfHashFlag_AllowGenericParamConstValue = 2,
BfHashFlag_AllowDotDotDot = 4,
};
class LookupContext