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Improved function binding to virtual methods

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This commit is contained in:
Brian Fiete 2021-07-05 14:36:39 -07:00
parent ee06457b2f
commit 46cc3d088b
5 changed files with 75 additions and 22 deletions
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56
IDEHelper/Compiler/BfModuleTypeUtils.cpp
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@ -10880,11 +10880,33 @@ bool BfModule::AreSplatsCompatible(BfType* fromType, BfType* toType, bool* outNe
return true;
}
BfIRValue BfModule::CastToFunction(BfAstNode* srcNode, const BfTypedValue& targetValue, BfMethodInstance* methodInstance, BfType* toType, BfCastFlags castFlags)
BfIRValue BfModule::CastToFunction(BfAstNode* srcNode, const BfTypedValue& targetValue, BfMethodInstance* methodInstance, BfType* toType, BfCastFlags castFlags, BfIRValue irFunc)
{
auto invokeMethodInstance = GetDelegateInvokeMethod(toType->ToTypeInstance());
if (invokeMethodInstance->IsExactMatch(methodInstance, false, true))
bool methodsThisMatch = true;
if (invokeMethodInstance->mMethodDef->mIsStatic != methodInstance->mMethodDef->mIsStatic)
methodsThisMatch = false;
else
{
if (!methodInstance->mMethodDef->mIsStatic)
{
BfType* thisType = methodInstance->GetThisType();
if (thisType->IsPointer())
thisType = thisType->GetUnderlyingType();
BfType* invokeThisType = invokeMethodInstance->GetThisType();
if (invokeThisType->IsPointer())
invokeThisType = invokeThisType->GetUnderlyingType();
if (!TypeIsSubTypeOf(thisType->ToTypeInstance(), invokeThisType->ToTypeInstance()))
methodsThisMatch = false;
}
}
bool methodMatches = methodsThisMatch;
if (methodMatches)
methodMatches = invokeMethodInstance->IsExactMatch(methodInstance, false, false);
if (methodMatches)
{
if (methodInstance->GetOwner()->IsFunction())
{
@ -10892,19 +10914,23 @@ BfIRValue BfModule::CastToFunction(BfAstNode* srcNode, const BfTypedValue& targe
return targetValue.mValue;
}
BfModuleMethodInstance methodRefMethod;
if (methodInstance->mDeclModule == this)
methodRefMethod = methodInstance;
else
methodRefMethod = ReferenceExternalMethodInstance(methodInstance);
auto dataType = GetPrimitiveType(BfTypeCode_IntPtr);
if (!methodRefMethod.mFunc)
BfIRFunction bindFuncVal = irFunc;
if (!bindFuncVal)
{
if ((!methodInstance->mIsUnspecialized) && (HasCompiledOutput()))
AssertErrorState();
return GetDefaultValue(dataType);
BfModuleMethodInstance methodRefMethod;
if (methodInstance->mDeclModule == this)
methodRefMethod = methodInstance;
else
methodRefMethod = ReferenceExternalMethodInstance(methodInstance);
auto dataType = GetPrimitiveType(BfTypeCode_IntPtr);
if (!methodRefMethod.mFunc)
{
if ((!methodInstance->mIsUnspecialized) && (HasCompiledOutput()))
AssertErrorState();
return GetDefaultValue(dataType);
}
bindFuncVal = methodRefMethod.mFunc;
}
auto bindFuncVal = methodRefMethod.mFunc;
if (mCompiler->mOptions.mAllowHotSwapping)
bindFuncVal = mBfIRBuilder->RemapBindFunction(bindFuncVal);
return mBfIRBuilder->CreatePtrToInt(bindFuncVal, BfTypeCode_IntPtr);
@ -10912,7 +10938,7 @@ BfIRValue BfModule::CastToFunction(BfAstNode* srcNode, const BfTypedValue& targe
if ((castFlags & BfCastFlags_SilentFail) == 0)
{
if (invokeMethodInstance->IsExactMatch(methodInstance, true, true))
if ((methodsThisMatch) && (invokeMethodInstance->IsExactMatch(methodInstance, true, false)))
{
Fail(StrFormat("Non-static method '%s' cannot match '%s' because it contains captured variables, consider using a delegate or removing captures", MethodToString(methodInstance).c_str(), TypeToString(toType).c_str()), srcNode);
}
@ -10940,7 +10966,7 @@ BfIRValue BfModule::CastToFunction(BfAstNode* srcNode, const BfTypedValue& targe
invokeThisWasPtr = true;
}
if (invokeThisType == thisType)
if (TypeIsSubTypeOf(thisType->ToTypeInstance(), invokeThisType->ToTypeInstance()))
{
if (invokeThisWasPtr != thisWasPtr)
{