void (int newLine, int newCol) { int start = tokenBegin; int len; if (bufpos >= tokenBegin) { len = bufpos - tokenBegin + inBuf + 1; } else { len = bufsize - tokenBegin + bufpos + 1 + inBuf; } int i = 0, j = 0, k = 0; int nextColDiff = 0, columnDiff = 0; while (i < len && bufline[j = start % bufsize] == bufline[k = ++start % bufsize]) { bufline[j] = newLine; nextColDiff = columnDiff + bufcolumn[k] - bufcolumn[j]; bufcolumn[j] = newCol + columnDiff; columnDiff = nextColDiff; i++; } if (i < len) { bufline[j] = newLine++; bufcolumn[j] = newCol + columnDiff; while (i++ < len) { if (bufline[j = start % bufsize] != bufline[++start % bufsize]) bufline[j] = newLine++; else bufline[j] = newLine; } } line = bufline[j]; column = bufcolumn[j]; }