Method UniqueSlotVirtualMethod

IDEHelper/Compiler/BfModule.cpp:26044–26097

}

void BfModule::UniqueSlotVirtualMethod(BfMethodInstance* methodInstance)
{
	BF_ASSERT(methodInstance->GetOwner() == mCurTypeInstance);

	auto typeInstance = mCurTypeInstance;
	auto methodDef = methodInstance->mMethodDef;

	int virtualMethodMatchIdx = -1;

	if (typeInstance->mHotTypeData != NULL)
	{
		if (typeInstance->mHotTypeData->mVTableOrigLength != -1)
		{
			BF_ASSERT(mCompiler->IsHotCompile());
			// In the 'normal' case we'd assert that mIsOverride is false, but if we can't find the declaring method then we
			//  may slot this override anyway (?)

			int vTableStart = 0;
			auto implBaseType = typeInstance->GetImplBaseType();
			if (implBaseType != NULL)
				vTableStart = implBaseType->mVirtualMethodTableSize;

			StringT<512> mangledName;
			BfMangler::Mangle(mangledName, mCompiler->GetMangleKind(), methodInstance);
			for (int checkIdxOfs = 0; checkIdxOfs < (int)typeInstance->mHotTypeData->mVTableEntries.size(); checkIdxOfs++)
			{
				// O(1) checking when virtual methods haven't changed
				int checkIdx = (typeInstance->mVirtualMethodTableSize - vTableStart + checkIdxOfs) % (int)typeInstance->mHotTypeData->mVTableEntries.size();

				auto& entry = typeInstance->mHotTypeData->mVTableEntries[checkIdx];
				if (mangledName == entry.mFuncName)
				{
					virtualMethodMatchIdx = vTableStart + checkIdx;
					break;
				}
			}

			if (virtualMethodMatchIdx != -1)
			{
				methodInstance->mVirtualTableIdx = virtualMethodMatchIdx;
				typeInstance->mVirtualMethodTable[virtualMethodMatchIdx].mDeclaringMethod = methodInstance;
				typeInstance->mVirtualMethodTable[virtualMethodMatchIdx].mImplementingMethod = methodInstance;
			}
			typeInstance->mVirtualMethodTableSize = (int)typeInstance->mVirtualMethodTable.size();
		}
	}

	if (virtualMethodMatchIdx == -1)
	{
		methodInstance->mVirtualTableIdx = typeInstance->mVirtualMethodTableSize++;
		BfVirtualMethodEntry entry = { methodInstance, methodInstance };
		typeInstance->mVirtualMethodTable.push_back(entry);
	}
}

void BfModule::CompareDeclTypes(BfTypeInstance* typeInst, BfTypeDef* newDeclType, BfTypeDef* prevDeclType, bool& isBetter, bool& isWorse)
{