Method Modify

IDEHelper/Backend/BeMCContext.cpp:504–618

}

BeVTrackingList* BeVTrackingContext::Modify(BeVTrackingList* list, const SizedArrayImpl<int>& inAdds, const SizedArrayImpl<int>& inRemoves, SizedArrayImpl<int>& filteredAdds, SizedArrayImpl<int>& filteredRemoves, bool preserveChanges)
{
	for (int idx : inAdds)
	{
		if (!IsSet(list, idx))
		{
			filteredAdds.push_back(idx);
		}
	}

	for (int idx : inRemoves)
	{
		if (IsSet(list, idx))
		{
			filteredRemoves.push_back(idx);
		}
	}

	if ((filteredAdds.empty()) && (filteredRemoves.empty()))
		return list;

	int newSize = list->mSize - filteredRemoves.size() + filteredAdds.size();
	int changeSize;
	if (preserveChanges)
		changeSize = list->mNumChanges;
	else
		changeSize = filteredRemoves.size() + filteredAdds.size();

	int allocBytes = sizeof(int) * (2 + newSize + changeSize);
	auto newList = (BeVTrackingList*)mAlloc.AllocBytes(allocBytes);
	mStats.mListBytes += allocBytes;

	if (filteredAdds.size() > 1)
		std::sort(filteredAdds.begin(), filteredAdds.end());
	if (filteredRemoves.size() > 1)
		std::sort(filteredRemoves.begin(), filteredRemoves.end());

	int addIdx = 0;
	int nextAdd;
	if (addIdx < (int)filteredAdds.size())
		nextAdd = filteredAdds[addIdx++];
	else
		nextAdd = 0x7FFFFFFF;

	int removeIdx = 0;
	int nextRemove;
	if (removeIdx < (int)filteredRemoves.size())
		nextRemove = filteredRemoves[removeIdx++];
	else
		nextRemove = 0x7FFFFFFF;

	int* outPtr = &newList->mEntries[0];
	for (auto idx : *list)
	{
		if (idx == nextRemove)
		{
			if (removeIdx < (int)filteredRemoves.size())
				nextRemove = filteredRemoves[removeIdx++];