src/reduce.h

   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
  23 void reduce_grammar (void);
  24 void reduce_output (FILE *out);
  25 bool reduce_token_unused_in_grammar (symbol_number i);
  26 bool reduce_nonterminal_useless_in_grammar (symbol_number i);
  27 void reduce_free (void);
  28
  29 extern symbol_number nuseless_nonterminals;
  30 extern rule_number nuseless_productions;
  31 #endif /* !REDUCE_H_ */