521   NamedCapturesWalker() : map_(NULL) {}  in NamedCapturesWalker()
522   ~NamedCapturesWalker() { delete map_; }  in ~NamedCapturesWalker()
525     map<string, int>* m = map_;  in TakeMap()
526     map_ = NULL;  in TakeMap()
533       if (map_ == NULL)  in PreVisit()
534         map_ = new map<string, int>;  in PreVisit()
539       if (map_->find(*re->name()) == map_->end())  in PreVisit()
540         (*map_)[*re->name()] = re->cap();  in PreVisit()
552   map<string, int>* map_;  member in re2::NamedCapturesWalker
565   CaptureNamesWalker() : map_(NULL) {}  in CaptureNamesWalker()
566   ~CaptureNamesWalker() { delete map_; }  in ~CaptureNamesWalker()
569     map<int, string>* m = map_;  in TakeMap()
570     map_ = NULL;  in TakeMap()
577       if (map_ == NULL)  in PreVisit()
578         map_ = new map<int, string>;  in PreVisit()
580       (*map_)[re->cap()] = *re->name();  in PreVisit()
592   map<int, string>* map_;  member in re2::CaptureNamesWalker