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Allow extensions to declare abstract methods

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This commit is contained in:
Brian Fiete 2021-08-02 12:09:48 -07:00
parent 3cd94cbc8e
commit 16829900bc
2 changed files with 5 additions and 3 deletions
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2
IDEHelper/Compiler/BfDefBuilder.cpp
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@ -447,8 +447,6 @@ BfMethodDef* BfDefBuilder::CreateMethodDef(BfMethodDeclaration* methodDeclaratio
if (methodDef->mIsAbstract)
{
if ((!mCurTypeDef->mIsAbstract) && (mCurTypeDef->mTypeCode != BfTypeCode_Interface))
Fail("Method is abstract but it is contained in non-abstract class", methodDeclaration);
if (methodDeclaration->mBody != NULL)
Fail("Abstract method cannot declare a body", methodDeclaration);
}

6
IDEHelper/Compiler/BfModuleTypeUtils.cpp
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@ -5582,7 +5582,11 @@ void BfModule::DoTypeInstanceMethodProcessing(BfTypeInstance* typeInstance)
{
if (methodInstance->mMethodDef->mIsAbstract)
{
if (!typeInstance->IsUnspecializedTypeVariation())
if (typeInstance->mVirtualMethodTable[methodIdx].mDeclaringMethod.mTypeInstance == typeInstance)
{
Fail("Method is abstract but it is declared in non-abstract class", methodInstance->mMethodDef->GetRefNode());
}
else if (!typeInstance->IsUnspecializedTypeVariation())
{
if (Fail(StrFormat("'%s' does not implement inherited abstract method '%s'", TypeToString(typeInstance).c_str(), MethodToString(methodInstance).c_str()), typeDef->mTypeDeclaration->mNameNode, true) != NULL)
mCompiler->mPassInstance->MoreInfo("Abstract method declared", methodInstance->mMethodDef->GetRefNode());