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Fixed handling of virtual methods in boxed structs

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This commit is contained in:
Brian Fiete 2020-01-15 08:34:09 -08:00
parent 7894fc73cc
commit 43d7d72f48
6 changed files with 28 additions and 26 deletions
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8
IDEHelper/Compiler/BfExprEvaluator.cpp
View file

@ -4202,7 +4202,7 @@ BfTypedValue BfExprEvaluator::CreateCall(BfMethodInstance* methodInstance, BfIRV
{
auto typeInst = methodInstance->mMethodInstanceGroup->mOwner;
int extMethodIdx = (methodInstance->mVirtualTableIdx - typeInst->GetBaseVTableSize()) - typeInst->GetOrigSelfVTableSize();
int extMethodIdx = (methodInstance->mVirtualTableIdx - typeInst->GetImplBaseVTableSize()) - typeInst->GetOrigSelfVTableSize();
if (extMethodIdx >= 0)
{
BF_ASSERT(mModule->mCompiler->IsHotCompile());
@ -4215,10 +4215,10 @@ BfTypedValue BfExprEvaluator::CreateCall(BfMethodInstance* methodInstance, BfIRV
// 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->GetBaseVTableSize();
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->GetOrigBaseVTableSize();
int vExtOfs = typeInst->GetOrigImplBaseVTableSize();
vDataIdx = mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int32, 1 + mModule->mCompiler->GetDynCastVDataCount() + mModule->mCompiler->mMaxInterfaceSlots);
vDataIdx = mModule->mBfIRBuilder->CreateAdd(vDataIdx, mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int32, vExtOfs));
@ -4235,7 +4235,7 @@ BfTypedValue BfExprEvaluator::CreateCall(BfMethodInstance* methodInstance, BfIRV
vDataIdx = mModule->mBfIRBuilder->GetConfigConst(BfIRConfigConst_VirtualMethodOfs, BfTypeCode_Int32);
vDataIdx = mModule->mBfIRBuilder->CreateAdd(vDataIdx, mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int32,
(methodInstance->mVirtualTableIdx - typeInst->GetBaseVTableSize()) + typeInst->GetOrigBaseVTableSize()));
(methodInstance->mVirtualTableIdx - typeInst->GetImplBaseVTableSize()) + typeInst->GetOrigImplBaseVTableSize()));
}
}
else

11
IDEHelper/Compiler/BfModule.cpp
View file

@ -5773,17 +5773,17 @@ BfIRValue BfModule::CreateTypeData(BfType* type, Dictionary<int, int>& usedStrin
{
auto typeInst = defaultMethod->mMethodInstanceGroup->mOwner;
int extMethodIdx = (defaultMethod->mVirtualTableIdx - typeInst->GetBaseVTableSize()) - typeInst->GetOrigSelfVTableSize();
int extMethodIdx = (defaultMethod->mVirtualTableIdx - typeInst->GetImplBaseVTableSize()) - typeInst->GetOrigSelfVTableSize();
if (extMethodIdx >= 0)
{
// Extension?
int vExtOfs = typeInst->GetOrigBaseVTableSize();
int vExtOfs = typeInst->GetOrigImplBaseVTableSize();
vDataVal = ((vDataIdx + vExtOfs + 1) << 20) | (extMethodIdx);
}
else
{
// Map this new virtual index back to the original index
vDataIdx += (defaultMethod->mVirtualTableIdx - typeInst->GetBaseVTableSize()) + typeInst->GetOrigBaseVTableSize();
vDataIdx += (defaultMethod->mVirtualTableIdx - typeInst->GetImplBaseVTableSize()) + typeInst->GetOrigImplBaseVTableSize();
}
}
else
@ -19906,8 +19906,9 @@ void BfModule::UniqueSlotVirtualMethod(BfMethodInstance* methodInstance)
// may slot this override anyway (?)
int vTableStart = 0;
if (typeInstance->mBaseType != NULL)
vTableStart = typeInstance->mBaseType->mVirtualMethodTableSize;
auto implBaseType = typeInstance->GetImplBaseType();
if (implBaseType != NULL)
vTableStart = implBaseType->mVirtualMethodTableSize;
StringT<128> mangledName;
BfMangler::Mangle(mangledName, mCompiler->GetMangleKind(), methodInstance);

2
IDEHelper/Compiler/BfModuleTypeUtils.cpp
View file

@ -3372,7 +3372,7 @@ void BfModule::DoTypeInstanceMethodProcessing(BfTypeInstance* typeInstance)
if (typeInstance->mHotTypeData != NULL)
{
//auto hotLatestVersionHead = typeInstance->mHotTypeData->GetLatestVersionHead();
int wantVTableSize = typeInstance->GetBaseVTableSize() + (int)typeInstance->mHotTypeData->mVTableEntries.size();
int wantVTableSize = typeInstance->GetImplBaseVTableSize() + (int)typeInstance->mHotTypeData->mVTableEntries.size();
while ((int)typeInstance->mVirtualMethodTable.size() < wantVTableSize)
{
typeInstance->mVirtualMethodTable.push_back(BfVirtualMethodEntry());

9
IDEHelper/Compiler/BfReducer.cpp
View file

@ -4245,13 +4245,12 @@ BfAstNode* BfReducer::CreateStatement(BfAstNode* node, CreateStmtFlags createStm
// Must be an expression. Always set CreateExprFlags_NoCaseExpr, to keep ending statements in a switch case to look like case expressions
auto expr = CreateExpression(node, (CreateExprFlags)((createStmtFlags & CreateStmtFlags_To_CreateExprFlags_Mask) | CreateExprFlags_NoCaseExpr));
auto nextNode = mVisitorPos.GetNext();
if (nextNode != NULL)
if (expr != NULL)
{
FailAfter("Semicolon expected", expr);
auto nextNode = mVisitorPos.GetNext();
if (nextNode != NULL)
FailAfter("Semicolon expected", expr);
}
return expr;
}
}

20
IDEHelper/Compiler/BfResolvedTypeUtils.cpp
View file

@ -827,17 +827,17 @@ int BfMethodInstance::DbgGetVirtualMethodNum()
{
auto typeInst = mMethodInstanceGroup->mOwner;
int extMethodIdx = (mVirtualTableIdx - typeInst->GetBaseVTableSize()) - typeInst->GetOrigSelfVTableSize();
int extMethodIdx = (mVirtualTableIdx - typeInst->GetImplBaseVTableSize()) - typeInst->GetOrigSelfVTableSize();
if (extMethodIdx >= 0)
{
// Extension?
int vExtOfs = typeInst->GetOrigBaseVTableSize();
int vExtOfs = typeInst->GetOrigImplBaseVTableSize();
vDataVal = ((vDataIdx + vExtOfs + 1) << 20) | (extMethodIdx);
}
else
{
// Map this new virtual index back to the original index
vDataIdx += (mVirtualTableIdx - typeInst->GetBaseVTableSize()) + typeInst->GetOrigBaseVTableSize();
vDataIdx += (mVirtualTableIdx - typeInst->GetImplBaseVTableSize()) + typeInst->GetOrigImplBaseVTableSize();
}
}
else
@ -1178,20 +1178,22 @@ int BfTypeInstance::GetSelfVTableSize()
int BfTypeInstance::GetOrigSelfVTableSize()
{
if (mBaseType != NULL)
return GetOrigVTableSize() - GetOrigBaseVTableSize();
return GetOrigVTableSize() - GetOrigImplBaseVTableSize();
return GetOrigVTableSize();
}
int BfTypeInstance::GetBaseVTableSize()
int BfTypeInstance::GetImplBaseVTableSize()
{
if (mBaseType != NULL)
return mBaseType->mVirtualMethodTableSize;
auto implBase = GetImplBaseType();
if (implBase != NULL)
return implBase->mVirtualMethodTableSize;
return 0;
}
int BfTypeInstance::GetOrigBaseVTableSize()
int BfTypeInstance::GetOrigImplBaseVTableSize()
{
if (mBaseType != NULL)
auto implBase = GetImplBaseType();
if (implBase != NULL)
return mBaseType->GetOrigVTableSize();
return 0;
}

4
IDEHelper/Compiler/BfResolvedTypeUtils.h
View file

@ -1719,8 +1719,8 @@ public:
int GetOrigVTableSize();
int GetSelfVTableSize();
int GetOrigSelfVTableSize();
int GetBaseVTableSize();
int GetOrigBaseVTableSize();
int GetImplBaseVTableSize();
int GetOrigImplBaseVTableSize();
int GetIFaceVMethodSize();
BfType* GetUnionInnerType(bool* wantSplat = NULL);
BfPrimitiveType* GetDiscriminatorType(int* outDataIdx = NULL);