42   typedef K StackId;  typedef
52     StackId parent_id;
55     StackNode(StackId p, size_t i) : parent_id(p), paren_id(i) {}  in StackNode()
85   StackId Find(StackId stack_id, Label label) {  in Find()
96       StackId &child_id = child_map_[make_pair(stack_id, label)];  in Find()
113   StackId Pop(StackId stack_id) const {  in Pop()
118   ssize_t Top(StackId stack_id) const {  in Top()
132     size_t operator()(const pair<StackId, Label> &p) const {  in operator()
142   unordered_map<pair<StackId, Label>,
143            StackId, ChildHash> child_map_;   // Child of stack node wrt label
156   typedef K StackId;  typedef
159   StackId stack_id;
164   PdtStateTuple(StateId fs, StackId ss)  in PdtStateTuple()
201   typedef K StackId;  typedef