115     int Next = successor(Position);  variable
117       while (Tokens[Next]->is(tok::comment))
118         Next = successor(Next);
121       dbgToken(Next);
123     return Tokens[Next];
145     int Next = Tokens.size();  in insertTokens()  local
149       for (int I = Next, E = Tokens.size(); I != E; ++I)  in insertTokens()
155     Position = Next;  in insertTokens()
167     int Next = Current + 1;  in successor()  local
168     auto it = Jumps.find(Next);  in successor()
170       Next = it->second;  in successor()
171       assert(!Jumps.contains(Next));  in successor()
173     return Next;  in successor()