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1 /* Match rules with nonterminals for bison,
2 Copyright (C) 1984, 1989, 2000, 2001, 2002 Free Software Foundation, Inc.
3
4 This file is part of Bison, the GNU Compiler Compiler.
5
6 Bison is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
10
11 Bison is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with Bison; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
20
21 #ifndef DERIVES_H_
22 # define DERIVES_H_
23
24 /* DERIVES[SYMBOL - NTOKENS] points to a vector of the rules that
25 SYMBOL derives, terminated with NULL. */
26 extern rule_t ***derives;
27
28 /* Compute DERIVES. */
29
30 void derives_compute (void);
31 void derives_free (void);
32
33 #endif /* !DERIVES_H_ */