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/* Grammar reduction for Bison.
Copyright (C) 2000, 2001, 2002, 2007, 2009, 2010 Free Software
Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef REDUCE_H_
# define REDUCE_H_
void reduce_grammar (void);
void reduce_output (FILE *out);
bool reduce_token_unused_in_grammar (symbol_number i);
bool reduce_nonterminal_useless_in_grammar (symbol_number i);
void reduce_free (void);
extern symbol_number nuseless_nonterminals;
extern rule_number nuseless_productions;
#endif /* !REDUCE_H_ */
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