Method MergeChanges

IDEHelper/Backend/BeMCContext.cpp:795–833

}

BeVTrackingList* BeVTrackingContext::MergeChanges(BeVTrackingList* prevDestEntry, BeVTrackingList* mergeFrom)
{
	if (prevDestEntry == mergeFrom)
		return prevDestEntry;
	if (mergeFrom->mNumChanges == 0)
		return prevDestEntry;

	SizedArray<int, 2> changes;
	for (int changeIdx = 0; changeIdx < (int)prevDestEntry->mNumChanges; changeIdx++)
		changes.push_back(prevDestEntry->GetChange(changeIdx));
	for (int changeIdx = 0; changeIdx < (int)mergeFrom->mNumChanges; changeIdx++)
	{
		// If there isn't already a change (whether and add or a remove) that refers to this same vreg,
		//  then we add this change as well
		int change = mergeFrom->GetChange(changeIdx);
		int negChange = -change - 1;

		/*if (((std::find(changes.begin(), changes.end(), change) == changes.end())) &&
			((std::find(changes.begin(), changes.end(), negChange) == changes.end())))*/
		if ((!changes.Contains(change)) && (!changes.Contains(negChange)))
		{
			changes.push_back(change);
		}
	}

	int newSize = prevDestEntry->mSize;
	int allocBytes = (int)(sizeof(int) * (2 + newSize + changes.size()));
	auto newList = (BeVTrackingList*)mAlloc.AllocBytes(allocBytes);
	mStats.mListBytes += allocBytes;
	memcpy(&newList->mEntries[0], &prevDestEntry->mEntries[0], newSize * sizeof(int));
	for (int i = 0; i < (int)changes.size(); i++)
	{
		newList->mEntries[newSize + i] = changes[i];
	}
	newList->mSize = newSize;
	newList->mNumChanges = (int)changes.size();

	return newList;
}

BeVTrackingList * BeVTrackingContext::RemoveChange(BeVTrackingList* prevDestEntry, int idx)
{