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Fixed conv oper cancast ambiguity error, disallow conv out to interface

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This commit is contained in:
Brian Fiete 2022-02-01 17:28:13 -05:00
parent 6c18ffd607
commit 1ee32434a5
3 changed files with 26 additions and 20 deletions
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27
IDEHelper/Compiler/BfModuleTypeUtils.cpp
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@ -11985,9 +11985,13 @@ BfIRValue BfModule::CastToValue(BfAstNode* srcNode, BfTypedValue typedVal, BfTyp
// ObjectInst|IFace -> object|IFace
if ((typedVal.mType->IsObject() || (typedVal.mType->IsInterface())) && ((toType->IsObject() || (toType->IsInterface()))))
{
bool allowCast = false;
bool allowCast = false;
if (TypeIsSubTypeOf(fromTypeInstance, toTypeInstance))
if (((castFlags & BfCastFlags_NoInterfaceImpl) != 0) && (toTypeInstance->IsInterface()))
{
// Don't allow
}
else if (TypeIsSubTypeOf(fromTypeInstance, toTypeInstance))
allowCast = true;
else if ((explicitCast) &&
((toType->IsInterface()) || (TypeIsSubTypeOf(toTypeInstance, fromTypeInstance))))
@ -12887,27 +12891,28 @@ BfIRValue BfModule::CastToValue(BfAstNode* srcNode, BfTypedValue typedVal, BfTyp
if (doCall)
{
methodMatcher.FlushAmbiguityError();
if (!silentFail)
methodMatcher.FlushAmbiguityError();
auto wantType = paramType;
if (wantType->IsRef())
wantType = wantType->GetUnderlyingType();
auto typedVal = methodMatcher.mArguments[0].mTypedValue;
if (wantType != typedVal.mType)
auto convTypedVal = methodMatcher.mArguments[0].mTypedValue;
if (wantType != convTypedVal.mType)
{
if ((typedVal.mType->IsWrappableType()) && (wantType == GetWrappedStructType(typedVal.mType)))
if ((convTypedVal.mType->IsWrappableType()) && (wantType == GetWrappedStructType(convTypedVal.mType)))
{
typedVal = MakeAddressable(typedVal);
methodMatcher.mArguments[0].mTypedValue = BfTypedValue(mBfIRBuilder->CreateBitCast(typedVal.mValue, mBfIRBuilder->MapTypeInstPtr(wantType->ToTypeInstance())),
convTypedVal = MakeAddressable(convTypedVal);
methodMatcher.mArguments[0].mTypedValue = BfTypedValue(mBfIRBuilder->CreateBitCast(convTypedVal.mValue, mBfIRBuilder->MapTypeInstPtr(wantType->ToTypeInstance())),
paramType, paramType->IsRef() ? BfTypedValueKind_Value : BfTypedValueKind_Addr);
}
else
{
methodMatcher.mArguments[0].mTypedValue = Cast(srcNode, typedVal, wantType, (BfCastFlags)(castFlags | BfCastFlags_Explicit | BfCastFlags_NoConversionOperator));
methodMatcher.mArguments[0].mTypedValue = Cast(srcNode, convTypedVal, wantType, (BfCastFlags)(castFlags | BfCastFlags_Explicit | BfCastFlags_NoConversionOperator));
if (paramType->IsRef())
{
typedVal = MakeAddressable(typedVal);
typedVal.mKind = BfTypedValueKind_Addr;
convTypedVal = MakeAddressable(convTypedVal);
convTypedVal.mKind = BfTypedValueKind_Addr;
}
}
}