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Support interface binding with complex 'Self' returns ie: Result<Self>

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This commit is contained in:
Brian Fiete 2022-01-08 09:28:48 -05:00
parent b47f230345
commit dc6f940561
3 changed files with 26 additions and 2 deletions
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11
IDEHelper/Compiler/BfModuleTypeUtils.cpp
View file

@ -5918,8 +5918,14 @@ void BfModule::DoTypeInstanceMethodProcessing(BfTypeInstance* typeInstance)
continue;
auto iReturnType = ifaceMethodInst->mReturnType;
if (iReturnType->IsSelf())
if (iReturnType->IsUnspecializedTypeVariation())
{
BfType* resolvedType = ResolveGenericType(iReturnType, NULL, NULL);
if (resolvedType != NULL)
iReturnType = resolvedType;
else
iReturnType = typeInstance;
}
if (ifaceMethodInst->mMethodDef->mIsOverride)
continue; // Don't consider overrides here
@ -7684,6 +7690,9 @@ BfType* BfModule::ResolveGenericType(BfType* unspecializedType, BfTypeVector* ty
return unspecializedType;
}
if ((unspecializedType->IsSelf()) && (mCurTypeInstance != NULL))
return mCurTypeInstance;
if (!unspecializedType->IsUnspecializedType())
{
return unspecializedType;

2
IDEHelper/Compiler/BfResolvedTypeUtils.h
View file

@ -659,6 +659,8 @@ public:
virtual bool IsDot() override { return mTypeDef->mTypeCode == BfTypeCode_Dot; }
virtual bool IsVar() override { return mTypeDef->mTypeCode == BfTypeCode_Var; }
virtual bool IsLet() override { return mTypeDef->mTypeCode == BfTypeCode_Let; }
virtual bool IsUnspecializedType() override { return mTypeDef->mTypeCode == BfTypeCode_Self; }
virtual bool IsUnspecializedTypeVariation() override { return mTypeDef->mTypeCode == BfTypeCode_Self; }
};
class BfTypeInstance;

13
IDEHelper/Tests/src/Interfaces.bf
View file

@ -315,6 +315,19 @@ namespace Tests
return val.Val;
}
interface IParsable
{
static Result<Self> Parse(StringView sv, Self defaultVal);
}
class ClassH : IParsable
{
public static Result<Self> Parse(StringView sv, ClassH defaultVal)
{
return .Err;
}
}
[Test]
public static void TestDefaults()
{