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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., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, 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. */
30 extern rule ***derives;
31
32 /* Compute DERIVES. */
33
34 void derives_compute (void);
35 void derives_free (void);
36
37 #endif /* !DERIVES_H_ */