-/* Find and resolve or report look-ahead conflicts for bison,
- Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
+/* Find and resolve or report lookahead conflicts for bison,
+
+ Copyright (C) 2000-2002, 2004, 2007, 2009-2015 Free Software
+ Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
- Bison 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 2, or (at your option)
- any later version.
+ 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.
- Bison 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.
+ 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 Bison; see the file COPYING. If not, write to the Free
- Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef CONFLICTS_H_
# define CONFLICTS_H_
# include "state.h"
void conflicts_solve (void);
+
+/**
+ * Update state numbers recorded in internal arrays such that:
+ * - \c nstates_old is the old number of states.
+ * - Where \c i is the old state number, <tt>old_to_new[i]</tt> is either:
+ * - \c nstates_old if state \c i is removed because it is unreachable.
+ * - The new state number.
+ * - The highest new state number is the number of remaining states - 1.
+ * - The numerical order of the remaining states has not changed.
+ */
+void conflicts_update_state_numbers (state_number old_to_new[],
+ state_number nstates_old);
+
void conflicts_print (void);
int conflicts_total_count (void);
void conflicts_output (FILE *out);
void conflicts_free (void);
/* Were there conflicts? */
-extern int expected_conflicts;
+extern int expected_sr_conflicts;
+extern int expected_rr_conflicts;
#endif /* !CONFLICTS_H_ */