cpp

// pgen2.h

#ifndef LEAKY_PGEN2_H

#define LEAKY_PGEN2_H

#include "_gen/frontend/id_kind.asdl.h"

#include "_gen/frontend/syntax.asdl.h"

#include "mycpp/runtime.h"

// Hacky forward declaration for translated pgen2/pnode.py

// Note: it's probably better to express PNode in ASDL, like Token.

namespace pnode {

class PNode;

}

// Hacky stub

namespace grammar {

class Grammar;

}

namespace parse {

class ParseError {

 public:

  ParseError(Str* msg, int type_, syntax_asdl::Token* tok);

  Str* msg;

  syntax_asdl::Token* tok;

  int type;

};

class Parser {

 public:

  // In C, the grammar is a constant, so the grammar arg is ignored.  (We can't

  // get easily rid of it because the call site has to type check and run in

  // Python.)

  explicit Parser(grammar::Grammar* grammar) {

  }

  void setup(int start);

  bool addtoken(int typ, syntax_asdl::Token* opaque, int ilabel);

  // Probably should delete these

  // void shift(int typ, syntax_asdl::Token* opaque, int newstate);

  // void push(int typ, syntax_asdl::Token* opaque, Tuple2<List<List<Tuple2<int,

  // int>*>*>*, Dict<int, int>*>* newdfa, int newstate);  void pop();

  // grammar::Grammar* grammar;

  pnode::PNode* rootnode;

  // List<parse::_StackItem*>* stack;

};

}  // namespace parse

#endif  // LEAKY_PGEN2_H