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Improved errors of invalid typealias generics

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This commit is contained in:
Brian Fiete 2020-12-29 16:05:19 -08:00
parent 5c88091760
commit 74098aa9eb
1 changed files with 9 additions and 5 deletions
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10
IDEHelper/Compiler/BfModuleTypeUtils.cpp
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@ -306,7 +306,7 @@ bool BfModule::FinishGenericParams(BfType* resolvedTypeRef)
bool BfModule::ValidateGenericConstraints(BfTypeReference* typeRef, BfTypeInstance* genericTypeInst, bool ignoreErrors)
{
if ((mCurTypeInstance != NULL) && (mCurTypeInstance->IsTypeAlias()))
if ((mCurTypeInstance != NULL) && (mCurTypeInstance->IsTypeAlias()) && (mCurTypeInstance->IsGenericTypeInstance()))
{
// Don't validate constraints during the population of a concrete generic type alias instance, we want to
// throw those errors at the usage sites
@ -327,8 +327,12 @@ bool BfModule::ValidateGenericConstraints(BfTypeReference* typeRef, BfTypeInstan
auto underlyingType = genericTypeInst->GetUnderlyingType();
if ((underlyingType != NULL) && (underlyingType->IsGenericTypeInstance()))
{
auto underlyingGenericType = underlyingType->ToGenericTypeInstance();
PopulateType(underlyingType, BfPopulateType_Declaration);
return ValidateGenericConstraints(typeRef, (BfTypeInstance*)underlyingType, ignoreErrors);
bool result = ValidateGenericConstraints(typeRef, underlyingGenericType, ignoreErrors);
if (underlyingGenericType->mGenericTypeInfo->mHadValidateErrors)
genericTypeInst->mGenericTypeInfo->mHadValidateErrors = true;
return result;
}
return true;
}
@ -7285,7 +7289,7 @@ BfType* BfModule::ResolveTypeResult(BfTypeReference* typeRef, BfType* resolvedTy
if (curGenericTypeInstance->mGenericTypeInfo->mHadValidateErrors)
doValidate = false;
}
if ((mContext->mCurTypeState != NULL) && (mContext->mCurTypeState->mCurBaseTypeRef != NULL)) // We validate constraints for base types later
if ((mContext->mCurTypeState != NULL) && (mContext->mCurTypeState->mCurBaseTypeRef != NULL) && (!mContext->mCurTypeState->mTypeInstance->IsTypeAlias())) // We validate constraints for base types later
doValidate = false;
}