1/* Match rules with nonterminals for bison,
2
3   Copyright (C) 1984, 1989, 2000, 2001, 2002 Free Software
4   Foundation, Inc.
5
6   This file is part of Bison, the GNU Compiler Compiler.
7
8   Bison 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 2, or (at your option)
11   any later version.
12
13   Bison 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 Bison; see the file COPYING.  If not, write to
20   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21   Boston, MA 02110-1301, USA.  */
22
23#ifndef DERIVES_H_
24# define DERIVES_H_
25
26# include "gram.h"
27
28/* DERIVES[SYMBOL - NTOKENS] points to a vector of the rules that
29   SYMBOL derives, terminated with NULL.  */
30extern rule ***derives;
31
32/* Compute DERIVES.  */
33
34void derives_compute (void);
35void derives_free (void);
36
37#endif /* !DERIVES_H_ */
38