Method ~ParseState

extern/re2/re2/parse.cc:206–215

Cleans up by freeing all the regexps on the stack.

// Cleans up by freeing all the regexps on the stack.
Regexp::ParseState::~ParseState() {
  Regexp* next;
  for (Regexp* re = stacktop_; re != NULL; re = next) {
    next = re->down_;
    re->down_ = NULL;
    if (re->op() == kLeftParen)
      delete re->name_;
    re->Decref();
  }
}

// Finishes the regexp if necessary, preparing it for use in
// a more complex expression.