442         label_reachable_(0),  in matcher_()
452         label_reachable_ = new LabelReachable<Arc, S>(data, s);  in matcher_()
455       label_reachable_ = new LabelReachable<Arc, S>(  in matcher_()
464         label_reachable_(
465             lmatcher.label_reachable_ ?
466             new LabelReachable<Arc, S>(*lmatcher.label_reachable_) : 0),
471     delete label_reachable_;  in ~LabelLookAheadMatcher()  local
504     if (error_ || (label_reachable_ && label_reachable_->Error()))  in Properties()
510     if (label_reachable_ && label_reachable_->GetData()->ReachInput())  in Flags()
512     else if (label_reachable_ && !label_reachable_->GetData()->ReachInput())  in Flags()
520     return label_reachable_ ? label_reachable_->GetData() : 0;  in GetData()
528     if (label_reachable_) {  in LookAheadLabel()
530         label_reachable_->SetState(s_);  in LookAheadLabel()
533       return label_reachable_->Reach(label);  in LookAheadLabel()
546     if (label_reachable_)
547       label_reachable_->ReachInit(fst, copy);
553     if (label_reachable_)
554       label_reachable_->ReachInit(fst, copy);
574   LabelReachable<Arc, S> *label_reachable_;  // Label reachability info  variable
590   if (!label_reachable_)  in LookAheadFst()
593   label_reachable_->SetState(s_, s);  in LookAheadFst()
601   bool reach_arc = label_reachable_->Reach(&aiter, 0,  in LookAheadFst()
605   bool reach_final = lfinal != Weight::Zero() && label_reachable_->ReachFinal();  in LookAheadFst()
607     ssize_t begin = label_reachable_->ReachBegin();  in LookAheadFst()
608     ssize_t end = label_reachable_->ReachEnd();  in LookAheadFst()
614       SetLookAheadWeight(label_reachable_->ReachWeight());  in LookAheadFst()