bool NotEscape(int pos, const WString& s)
{
	return pos == 0 || s[pos - 1] != '\\' ? true : !NotEscape(pos - 1, s);
}

void CodeEditor::CheckBracket(int li, int pos, int ppos, int pos0, WString ln, int d, int limit)
{
	int li0 = li;
	int lvl = 1;
	pos += d;
	ppos += d;
	for(;;) {
		int c;
		for(;;) {
			while(pos < 0 || pos >= ln.GetLength()) {
				li += d;
				if(d * li >= d * limit)
					return;
				ln = GetWLine(li);
				pos = d < 0 ? ln.GetLength() - 1 : 0;
				ppos += d;
			}
			c = ln[pos];
			if((c == '\"' || c == '\'') && (NotEscape(pos, ln) && ln[pos - 1] != '\'')) {
				pos += d;
				ppos += d;
				int lc = c;
				while(pos < ln.GetLength() && pos > 0) {
					if(ln[pos] == lc && NotEscape(pos, ln)) {
						pos += d;
						ppos += d;
						break;
					}
					pos += d;
					ppos += d;
				}
			}
			else
				break;
		}
		if(islbrkt(c))
			lvl += d;
		if(isrbrkt(c))
			lvl -= d;
		if(lvl <= 0) {
			highlight_bracket_pos0 = pos0;
			highlight_bracket_pos = ppos;
			RefreshLine(li);
			RefreshLine(li0);
			bracket_start = GetTimeClick();
			return;
		}
		pos += d;
		ppos += d;
	}
}