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Added ability to explicitly cast from int to enum generic constraint

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This commit is contained in:
Brian Fiete 2020-08-16 15:56:59 -07:00
parent 5a3701fa90
commit 044f15629d
1 changed files with 9 additions and 2 deletions
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11
IDEHelper/Compiler/BfModuleTypeUtils.cpp
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@ -9568,7 +9568,7 @@ BfIRValue BfModule::CastToValue(BfAstNode* srcNode, BfTypedValue typedVal, BfTyp
if ((constraintTypeInst != NULL) && (constraintTypeInst->mTypeDef == mCompiler->mEnumTypeDef)) if ((constraintTypeInst != NULL) && (constraintTypeInst->mTypeDef == mCompiler->mEnumTypeDef))
{ {
// Enum->int // Enum->int
if (toType->IsInteger()) if ((explicitCast) && (toType->IsInteger()))
return GetDefaultValue(toType); return GetDefaultValue(toType);
} }
@ -9657,7 +9657,14 @@ BfIRValue BfModule::CastToValue(BfAstNode* srcNode, BfTypedValue typedVal, BfTyp
} }
if (genericParamInst->mTypeConstraint != NULL) if (genericParamInst->mTypeConstraint != NULL)
{ {
if (genericParamInst->mTypeConstraint->IsInstanceOf(mCompiler->mEnumTypeDef))
{
// int->Enum
if ((explicitCast) && (typedVal.mType->IsInteger()))
return mBfIRBuilder->GetFakeVal();
}
auto castedVal = CastToValue(srcNode, typedVal, genericParamInst->mTypeConstraint, (BfCastFlags)(castFlags | BfCastFlags_SilentFail)); auto castedVal = CastToValue(srcNode, typedVal, genericParamInst->mTypeConstraint, (BfCastFlags)(castFlags | BfCastFlags_SilentFail));
if (castedVal) if (castedVal)
return castedVal; return castedVal;