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1/* Grammar reduction for Bison.
2
3 Copyright (C) 2000, 2001, 2002, 2007 Free Software Foundation, Inc.
4
5 This file is part of Bison, the GNU Compiler Compiler.
6
7 This program is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19
20#ifndef REDUCE_H_
21# define REDUCE_H_
22
23void reduce_grammar (void);
24void reduce_output (FILE *out);
25bool reduce_token_unused_in_grammar (symbol_number i);
26bool reduce_nonterminal_useless_in_grammar (symbol_number i);
27void reduce_free (void);
28
29extern symbol_number nuseless_nonterminals;
30extern rule_number nuseless_productions;
31#endif /* !REDUCE_H_ */