Method AddRuneToString

extern/re2/re2/regexp.cc:171–186

}

void Regexp::AddRuneToString(Rune r) {
  DCHECK(op_ == kRegexpLiteralString);
  if (nrunes_ == 0) {
    // start with 8
    runes_ = new Rune[8];
  } else if (nrunes_ >= 8 && (nrunes_ & (nrunes_ - 1)) == 0) {
    // double on powers of two
    Rune *old = runes_;
    runes_ = new Rune[nrunes_ * 2];
    for (int i = 0; i < nrunes_; i++)
      runes_[i] = old[i];
    delete[] old;
  }

  runes_[nrunes_++] = r;
}

Regexp* Regexp::HaveMatch(int match_id, ParseFlags flags) {
  Regexp* re = new Regexp(kRegexpHaveMatch, flags);