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85bcaacc 1/* Grammar reduction for Bison.
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c932d613 3 Copyright (C) 2000-2002, 2007, 2009-2012 Free Software Foundation,
ea0a7676 4 Inc.
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5
6 This file is part of Bison, the GNU Compiler Compiler.
7
f16b0819 8 This program is free software: you can redistribute it and/or modify
85bcaacc 9 it under the terms of the GNU General Public License as published by
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10 the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version.
85bcaacc 12
f16b0819 13 This program is distributed in the hope that it will be useful,
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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
f16b0819 19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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20
21#ifndef REDUCE_H_
22# define REDUCE_H_
23
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24void reduce_grammar (void);
25void reduce_output (FILE *out);
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26bool reduce_token_unused_in_grammar (symbol_number i);
27bool reduce_nonterminal_useless_in_grammar (symbol_number i);
d33cb3ae 28void reduce_free (void);
630e182b 29
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30extern symbol_number nuseless_nonterminals;
31extern rule_number nuseless_productions;
85bcaacc 32#endif /* !REDUCE_H_ */