src/conflicts.h

   1 /* Find and resolve or report lookahead conflicts for bison,
   2    Copyright (C) 2000, 2001, 2002, 2004 Free Software Foundation, Inc.
   3
   4    This file is part of Bison, the GNU Compiler Compiler.
   5
   6    Bison is free software; you can redistribute it and/or modify it
   7    under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2, or (at your option)
   9    any later version.
  10
  11    Bison is distributed in the hope that it will be useful, but
  12    WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with Bison; see the file COPYING.  If not, write to the Free
  18    Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19    02110-1301, USA.  */
  20
  21 #ifndef CONFLICTS_H_
  22 # define CONFLICTS_H_
  23 # include "state.h"
  24
  25 void conflicts_solve (void);
  26
  27 /**
  28  * Update state numbers recorded in internal arrays such that:
  29  *   - \c nstates_old is the old number of states.
  30  *   - Where \c i is the old state number, <tt>old_to_new[i]</tt> is either:
  31  *     - \c nstates_old if state \c i is removed because it is unreachable.
  32  *     - The new state number.
  33  *   - The highest new state number is the number of remaining states - 1.
  34  *   - The numerical order of the remaining states has not changed.
  35  */
  36 void conflicts_update_state_numbers (state_number old_to_new[],
  37                                      state_number nstates_old);
  38
  39 void conflicts_print (void);
  40 int conflicts_total_count (void);
  41 void conflicts_output (FILE *out);
  42 void conflicts_free (void);
  43
  44 /* Were there conflicts? */
  45 extern int expected_sr_conflicts;
  46 extern int expected_rr_conflicts;
  47 #endif /* !CONFLICTS_H_ */