Method ClearOldHotData

IDEHelper/Compiler/BfCompiler.cpp:6805–6932

}

void BfCompiler::ClearOldHotData()
{
	if (mHotData == NULL)
		return;

	// TODO: Get rid of old hot data during hot compiles, too
// 	if (IsHotCompile())
// 		return;

	BP_ZONE("BfCompiler::ClearOldHotData");

	bool isHotCompile = IsHotCompile();

	auto itr = mHotData->mMethodMap.begin();
	while (itr != mHotData->mMethodMap.end())
	{
		String& methodName = itr->mKey;
		auto hotMethod = itr->mValue;

		bool doDelete = false;

		// If a previous version of a method is not currently active then it should be impossible to ever reach it
		while (hotMethod->mPrevVersion != NULL)
		{
			auto prevMethod = hotMethod->mPrevVersion;
			if (prevMethod->mRefCount > 1)
			{
				BF_ASSERT((mHotResolveData != NULL) && (mHotResolveData->mActiveMethods.Contains(prevMethod)));
				break;
			}

			hotMethod->mPrevVersion = prevMethod->mPrevVersion;
			prevMethod->mPrevVersion = NULL;
			prevMethod->Deref();
		}

		BF_ASSERT(hotMethod->mRefCount >= 1);
		if (hotMethod->mPrevVersion == NULL)
		{
			if (hotMethod->mRefCount <= 1)
			{
				doDelete = true;
			}
			else if ((!isHotCompile) && ((hotMethod->mFlags & (BfHotDepDataFlag_IsBound | BfHotDepDataFlag_RetainMethodWithoutBinding)) == 0))
			{
				doDelete = true;
			}
		}

		bool doRemove = doDelete;
		if ((hotMethod->mFlags & BfHotDepDataFlag_HasDup) != 0)
		{
			bool hasDupMethod = false;
			for (int idx = 0; idx < (int)hotMethod->mReferences.size(); idx++)
			{
				auto depData = hotMethod->mReferences[idx];
				if (depData->mDataKind == BfHotDepDataKind_DupMethod)
				{