1/* Match rules with nonterminals for bison,
2
3 Copyright (C) 1984, 1989, 2000-2002, 2009-2015, 2018-2019 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 <http://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. */
28extern rule ***derives;
29
30/* Compute DERIVES. */
31
32void derives_compute (void);
33void derives_free (void);
34
35#endif /* !DERIVES_H_ */
36