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cc84fd5d 1/* Match rules with nonterminals for bison,
80a69750 2 Copyright 1984, 1989, 2000, 2001 Free Software Foundation, Inc.
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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
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21#ifndef DERIVES_H_
22# define DERIVES_H_
23
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24/* DERIVES[SYMBOL - NTOKENS] points to a vector of the number of the
25 rules that SYMBOL derives, terminated with -1. */
340ef489 26extern short **derives;
cc84fd5d 27
80a69750 28/* Compute DERIVES. */
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29
30void set_derives PARAMS((void));
31void free_derives PARAMS((void));
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32
33#endif /* !DERIVES_H_ */