1 /* Find and resolve or report lookahead conflicts for bison,
3 Copyright (C) 2000-2002, 2004, 2007, 2009-2015, 2018-2021 Free
4 Software Foundation, Inc.
6 This file is part of Bison, the GNU Compiler Compiler.
8 This program is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <https://www.gnu.org/licenses/>. */
25 void conflicts_solve (void);
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.
36 void conflicts_update_state_numbers (state_number old_to_new
[],
37 state_number nstates_old
);
39 void conflicts_print (void);
40 int conflicts_total_count (void);
41 void conflicts_output (FILE *out
);
42 void conflicts_free (void);
44 bool has_conflicts (const state
*s
);
46 /* Were there conflicts? */
47 extern int expected_sr_conflicts
;
48 extern int expected_rr_conflicts
;
50 #endif /* !CONFLICTS_H_ */