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Fix for new function/delegate casting

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This commit is contained in:
Brian Fiete 2020-03-31 11:35:09 -07:00
parent 384863ae32
commit ca814fe695
1 changed files with 40 additions and 41 deletions
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81
IDEHelper/Compiler/BfModuleTypeUtils.cpp
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@ -9532,58 +9532,57 @@ BfTypedValue BfModule::Cast(BfAstNode* srcNode, const BfTypedValue& typedVal, Bf
// Function->Function and Delegate->Delegate where type is compatible but not exact
if (((typedVal.mType->IsDelegate()) || (typedVal.mType->IsFunction())) &&
(typedVal.mType != toType) && // Don't bother to check for exact match, let CastToValue handle this
((typedVal.mType->IsDelegate()) == (toType->IsDelegate())) &&
((typedVal.mType->IsFunction()) == (toType->IsFunction())))
{
auto fromDelegateType = (BfDelegateType*)typedVal.mType->ToTypeInstance();
auto toDelegateType = (BfDelegateType*)toType;
auto fromTypeInst = typedVal.mType->ToTypeInstance();
auto toTypeInst = toType->ToTypeInstance();
auto fromMethodInst = GetRawMethodByName(fromTypeInst, "Invoke", -1, true);
auto toMethodInst = GetRawMethodByName(toTypeInst, "Invoke", -1, true);
if ((fromMethodInst != NULL) && (toMethodInst != NULL) &&
(fromMethodInst->mMethodDef->mCallingConvention == toMethodInst->mMethodDef->mCallingConvention) &&
(fromMethodInst->mReturnType == toMethodInst->mReturnType) &&
(fromMethodInst->GetParamCount() == toMethodInst->GetParamCount()))
{
bool matched = true;
if (fromDelegateType->mReturnType == toDelegateType->mReturnType)
{
auto fromMethodInst = GetRawMethodByName(fromDelegateType, "Invoke");
auto toMethodInst = GetRawMethodByName(toDelegateType, "Invoke");
if ((fromMethodInst->mMethodDef->mCallingConvention == toMethodInst->mMethodDef->mCallingConvention) &&
(fromMethodInst->mReturnType == toMethodInst->mReturnType) &&
(fromMethodInst->GetParamCount() == toMethodInst->GetParamCount()))
{
bool matched = true;
StringT<64> fromParamName;
StringT<64> toParamName;
StringT<64> fromParamName;
StringT<64> toParamName;
for (int paramIdx = 0; paramIdx < (int)fromMethodInst->GetParamCount(); paramIdx++)
{
bool nameMatches = true;
for (int paramIdx = 0; paramIdx < (int)fromMethodInst->GetParamCount(); paramIdx++)
if (!explicitCast)
{
bool nameMatches = true;
if (!explicitCast)
{
fromMethodInst->GetParamName(paramIdx, fromParamName);
toMethodInst->GetParamName(paramIdx, toParamName);
if ((!fromParamName.IsEmpty()) && (!toParamName.IsEmpty()))
nameMatches = fromParamName == toParamName;
}
if ((fromMethodInst->GetParamKind(paramIdx) == toMethodInst->GetParamKind(paramIdx)) &&
(fromMethodInst->GetParamType(paramIdx) == toMethodInst->GetParamType(paramIdx)) &&
(nameMatches))
{
// Matched, required for implicit/explicit
}
else
{
matched = false;
break;
}
fromMethodInst->GetParamName(paramIdx, fromParamName);
toMethodInst->GetParamName(paramIdx, toParamName);
if ((!fromParamName.IsEmpty()) && (!toParamName.IsEmpty()))
nameMatches = fromParamName == toParamName;
}
if (matched)
if ((fromMethodInst->GetParamKind(paramIdx) == toMethodInst->GetParamKind(paramIdx)) &&
(fromMethodInst->GetParamType(paramIdx) == toMethodInst->GetParamType(paramIdx)) &&
(nameMatches))
{
BfTypedValue loadedVal = LoadValue(typedVal);
return BfTypedValue(mBfIRBuilder->CreateBitCast(loadedVal.mValue, mBfIRBuilder->MapType(toType)), toType);
}
// Matched, required for implicit/explicit
}
else
{
matched = false;
break;
}
}
}
if (matched)
{
BfTypedValue loadedVal = LoadValue(typedVal);
return BfTypedValue(mBfIRBuilder->CreateBitCast(loadedVal.mValue, mBfIRBuilder->MapType(toType)), toType);
}
}
}
// Struct truncate