Method Mark

extern/re2/re2/prog.cc:363–376

};

void ByteMapBuilder::Mark(int lo, int hi) {
  DCHECK_GE(lo, 0);
  DCHECK_GE(hi, 0);
  DCHECK_LE(lo, 255);
  DCHECK_LE(hi, 255);
  DCHECK_LE(lo, hi);

  // Ignore any [0-255] ranges. They cause us to recolor every range, which
  // has no effect on the eventual result and is therefore a waste of time.
  if (lo == 0 && hi == 255)
    return;

  ranges_.emplace_back(lo, hi);
}

void ByteMapBuilder::Merge() {
  for (std::vector<std::pair<int, int>>::const_iterator it = ranges_.begin();