1  /* Match rules with nonterminals for bison,
       2  
       3     Copyright (C) 1984, 1989, 2000-2002, 2009-2015, 2018-2021 Free
       4     Software Foundation, Inc.
       5  
       6     This file is part of Bison, the GNU Compiler Compiler.
       7  
       8     This program is free software: you can redistribute it and/or modify
       9     it under the terms of the GNU General Public License as published by
      10     the Free Software Foundation, either version 3 of the License, or
      11     (at your option) any later version.
      12  
      13     This program is distributed in the hope that it will be useful,
      14     but WITHOUT ANY WARRANTY; without even the implied warranty of
      15     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      16     GNU General Public License for more details.
      17  
      18     You should have received a copy of the GNU General Public License
      19     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      20  
      21  #ifndef DERIVES_H_
      22  # define DERIVES_H_
      23  
      24  # include "gram.h"
      25  
      26  /* DERIVES[SYMBOL - NTOKENS] points to a vector of the rules that
      27     SYMBOL derives, terminated with NULL.  */
      28  extern rule ***derives;
      29  
      30  /* Compute DERIVES.  */
      31  
      32  void derives_compute (void);
      33  void derives_free (void);
      34  
      35  #endif /* !DERIVES_H_ */