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- fixed incorrect extension of overridden function prototype

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Prototype of overridden function with optional argument(s) missing could extend unrelated prototype of previously defined function when their arguments and return value(s) match

https://forum.zdoom.org/viewtopic.php?t=71340
This commit is contained in:
alexey.lysiuk 2021-02-04 12:00:06 +02:00 committed by Christoph Oelckers
parent d7924d6e9d
commit 6bc82bdeff
2 changed files with 8 additions and 2 deletions
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8
src/common/objects/dobjtype.cpp
View file

@ -706,13 +706,17 @@ int PClass::FindVirtualIndex(FName name, PFunction::Variant *variant, PFunction
if (!(parentfunc->Variants[0].ArgFlags[a] & VARF_Optional)) return -1;
}
// Todo: extend the prototype
// Extend the prototype
TArray<PType*> argumentTypes = proto->ArgumentTypes;
for (unsigned a = proto->ArgumentTypes.Size(); a < vproto->ArgumentTypes.Size(); a++)
{
proto->ArgumentTypes.Push(vproto->ArgumentTypes[a]);
argumentTypes.Push(vproto->ArgumentTypes[a]);
variant->ArgFlags.Push(parentfunc->Variants[0].ArgFlags[a]);
variant->ArgNames.Push(NAME_None);
}
variant->Proto = NewPrototype(proto->ReturnTypes, argumentTypes);
}
return i;
}

2
src/common/scripting/frontend/zcc_compile.cpp
View file

@ -2486,6 +2486,8 @@ void ZCCCompiler::CompileFunction(ZCC_StructWork *c, ZCC_FuncDeclarator *f, bool
{
newfunc->ArgFlags.Push(sym->Variants[0].ArgFlags[i]);
}
newfunc->Proto = sym->Variants[0].Proto;
}
}
}