Method UpdateSrcPos

IDEHelper/Compiler/BfModule.cpp:2739–2850

}

void BfModule::UpdateSrcPos(BfAstNode* astNode, BfSrcPosFlags flags, int debugLocOffset)
{
	// We set force to true when we MUST get the line position set (for navigation purposes, for example)
	if (((mBfIRBuilder->mIgnoreWrites)) && ((flags & BfSrcPosFlag_Force) == 0))
		return;

	BF_ASSERT((!mAwaitingInitFinish) || (mBfIRBuilder->mIgnoreWrites));

	if (astNode == NULL)
		return;

	auto bfParser = astNode->GetSourceData()->ToParserData();
	if (bfParser == NULL)
		return;
	if ((mCurFilePosition.mFileInstance == NULL) || (mCurFilePosition.mFileInstance->mParser != bfParser))
	{
		if (mCurFilePosition.mFileInstance != NULL)
		{
			BF_ASSERT(mFileInstanceMap.GetCount() != 0);
			mCurFilePosition.mFileInstance->mPrevPosition = mCurFilePosition;
		}

		auto bfFileInstance = GetFileFromNode(astNode);
		if (bfFileInstance->mPrevPosition.mFileInstance != NULL)
		{
			mCurFilePosition = bfFileInstance->mPrevPosition;
		}
		else
		{
			mCurFilePosition.mFileInstance = bfFileInstance;
			mCurFilePosition.mCurLine = 0;
			mCurFilePosition.mCurColumn = 0;
			mCurFilePosition.mCurSrcPos = 0;
		}
	}

	int srcPos = astNode->GetSrcStart() + debugLocOffset;

	BF_ASSERT(srcPos < bfParser->mSrcLength);

	auto* jumpEntry = bfParser->mJumpTable + (srcPos / PARSER_JUMPTABLE_DIVIDE);
	if (jumpEntry->mCharIdx > srcPos)
		jumpEntry--;
	mCurFilePosition.mCurLine = jumpEntry->mLineNum;
	mCurFilePosition.mCurSrcPos = jumpEntry->mCharIdx;
	mCurFilePosition.mCurColumn = 0;

	while (mCurFilePosition.mCurSrcPos < srcPos)
	{
		if (bfParser->mSrc[mCurFilePosition.mCurSrcPos] == '\n')
		{
			mCurFilePosition.mCurLine++;
			mCurFilePosition.mCurColumn = 0;
		}
		else
		{
			mCurFilePosition.mCurColumn++;
		}