* data/yacc.c, data/glr.c, data/lal1.cc: Use similar code to

[bison.git] / src / derives.h

/* Match rules with nonterminals for bison,

   Copyright (C) 1984, 1989, 2000, 2001, 2002 Free Software
   Foundation, Inc.

   This file is part of Bison, the GNU Compiler Compiler.

   Bison is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   Bison is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with Bison; see the file COPYING.  If not, write to
   the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#ifndef DERIVES_H_
# define DERIVES_H_

# include "gram.h"

/* DERIVES[SYMBOL - NTOKENS] points to a vector of the rules that
   SYMBOL derives, terminated with NULL.  */
extern rule ***derives;

/* Compute DERIVES.  */

void derives_compute (void);
void derives_free (void);

#endif /* !DERIVES_H_ */