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Improved undef handling of unspecialized const generic arg

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This commit is contained in:
Brian Fiete 2022-04-18 11:04:45 -07:00
parent a30e539d29
commit 42e837301b
6 changed files with 49 additions and 33 deletions
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27
IDEHelper/Compiler/BfExprEvaluator.cpp
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@ -4401,6 +4401,33 @@ BfTypedValue BfExprEvaluator::LookupIdentifier(BfAstNode* refNode, const StringI
if ((!result) && (identifierNode != NULL))
{
result = mModule->TryLookupGenericConstVaue(identifierNode, mExpectingType);
if ((mBfEvalExprFlags & (BfEvalExprFlags_Comptime | BfEvalExprFlags_AllowGenericConstValue)) == BfEvalExprFlags_Comptime)
{
if (result.mKind == BfTypedValueKind_GenericConstValue)
{
auto genericParamDef = mModule->GetGenericParamInstance((BfGenericParamType*)result.mType);
if ((genericParamDef->mGenericParamFlags & BfGenericParamFlag_Const) != 0)
{
auto genericTypeConstraint = genericParamDef->mTypeConstraint;
if (genericTypeConstraint != NULL)
{
auto primType = genericTypeConstraint->ToPrimitiveType();
if (primType != NULL)
{
BfTypedValue result;
result.mKind = BfTypedValueKind_Value;
result.mType = genericTypeConstraint;
result.mValue = mModule->mBfIRBuilder->GetUndefConstValue(mModule->mBfIRBuilder->GetPrimitiveType(primType->mTypeDef->mTypeCode));
return result;
}
}
else
{
BF_FATAL("Error");
}
}
}
}
mModule->FixValueActualization(result);
}