532   NamedCapturesWalker() : map_(NULL) {}  in NamedCapturesWalker()
533   ~NamedCapturesWalker() { delete map_; }  in ~NamedCapturesWalker()
536     map<string, int>* m = map_;  in TakeMap()
537     map_ = NULL;  in TakeMap()
544       if (map_ == NULL)  in PreVisit()
545         map_ = new map<string, int>;  in PreVisit()
550       if (map_->find(*re->name()) == map_->end())  in PreVisit()
551         (*map_)[*re->name()] = re->cap();  in PreVisit()
563   map<string, int>* map_;  member in re2::NamedCapturesWalker
576   CaptureNamesWalker() : map_(NULL) {}  in CaptureNamesWalker()
577   ~CaptureNamesWalker() { delete map_; }  in ~CaptureNamesWalker()
580     map<int, string>* m = map_;  in TakeMap()
581     map_ = NULL;  in TakeMap()
588       if (map_ == NULL)  in PreVisit()
589         map_ = new map<int, string>;  in PreVisit()
591       (*map_)[re->cap()] = *re->name();  in PreVisit()
603   map<int, string>* map_;  member in re2::CaptureNamesWalker