| 1 | /* Grammar reduction for Bison. |
| 2 | |
| 3 | Copyright (C) 2000-2002, 2007, 2009-2010 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_ */ |