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1 | /* Grammar reduction for Bison. | |
2 | ||
3 | Copyright (C) 2000-2002, 2007, 2009-2012 Free Software Foundation, | |
4 | Inc. | |
5 | ||
6 | This file is part of Bison, the GNU Compiler Compiler. | |
7 | ||
8 | This program 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 3 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */ | |
20 | ||
21 | #ifndef REDUCE_H_ | |
22 | # define REDUCE_H_ | |
23 | ||
24 | void reduce_grammar (void); | |
25 | void reduce_output (FILE *out); | |
26 | bool reduce_token_unused_in_grammar (symbol_number i); | |
27 | bool reduce_nonterminal_useless_in_grammar (symbol_number i); | |
28 | void reduce_free (void); | |
29 | ||
30 | extern symbol_number nuseless_nonterminals; | |
31 | extern rule_number nuseless_productions; | |
32 | #endif /* !REDUCE_H_ */ |