src/conflicts.h

   1 /* Find and resolve or report lookahead conflicts for bison,
   2    Copyright (C) 2000, 2001, 2002, 2004, 2007 Free Software Foundation, Inc.
   3
   4    This file is part of Bison, the GNU Compiler Compiler.
   5
   6    This program is free software: you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation, either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef CONFLICTS_H_
  20 # define CONFLICTS_H_
  21 # include "state.h"
  22
  23 void conflicts_solve (void);
  24
  25 /**
  26  * Update state numbers recorded in internal arrays such that:
  27  *   - \c nstates_old is the old number of states.
  28  *   - Where \c i is the old state number, <tt>old_to_new[i]</tt> is either:
  29  *     - \c nstates_old if state \c i is removed because it is unreachable.
  30  *     - The new state number.
  31  *   - The highest new state number is the number of remaining states - 1.
  32  *   - The numerical order of the remaining states has not changed.
  33  */
  34 void conflicts_update_state_numbers (state_number old_to_new[],
  35                                      state_number nstates_old);
  36
  37 void conflicts_print (void);
  38 int conflicts_total_count (void);
  39 void conflicts_output (FILE *out);
  40 void conflicts_free (void);
  41
  42 /* Were there conflicts? */
  43 extern int expected_sr_conflicts;
  44 extern int expected_rr_conflicts;
  45 #endif /* !CONFLICTS_H_ */