/* Find and resolve or report look-ahead conflicts for bison,
- Copyright (C) 1984, 1989, 1992, 2000, 2001, 2002, 2003, 2004
+ Copyright (C) 1984, 1989, 1992, 2000, 2001, 2002, 2003, 2004, 2005
Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
+#include <config.h>
#include "system.h"
#include <bitset.h>
/* Is the number of SR conflicts OK? Either EXPECTED_CONFLICTS is
not set, and then we want 0 SR, or else it is specified, in which
case we want equality. */
- bool src_ok = false;
- bool rrc_ok = false;
+ bool src_ok;
+ bool rrc_ok;
int src_total = 0;
int rrc_total = 0;
+ int src_expected;
+ int rrc_expected;
/* Conflicts by state. */
{
expected_rr_conflicts = -1;
}
- src_ok =
- src_total == (expected_sr_conflicts == -1 ? 0 : expected_sr_conflicts);
- rrc_ok =
- rrc_total == (expected_rr_conflicts == -1 ? 0 : expected_rr_conflicts);
+ src_expected = expected_sr_conflicts == -1 ? 0 : expected_sr_conflicts;
+ rrc_expected = expected_rr_conflicts == -1 ? 0 : expected_rr_conflicts;
+ src_ok = src_total == src_expected;
+ rrc_ok = rrc_total == rrc_expected;
/* If there are as many RR conflicts and SR conflicts as
expected, then there is nothing to report. */
- if (rrc_ok && src_ok)
+ if (rrc_ok & src_ok)
return;
/* Report the total number of conflicts on STDERR. */
- if (! yacc_flag)
- fprintf (stderr, "%s: ", current_file);
- conflict_report (stderr, src_total, rrc_total);
+ if (src_total | rrc_total)
+ {
+ if (! yacc_flag)
+ fprintf (stderr, "%s: ", current_file);
+ conflict_report (stderr, src_total, rrc_total);
+ }
if (expected_sr_conflicts != -1 || expected_rr_conflicts != -1)
{
- int sr = expected_sr_conflicts == -1 ? 0 : expected_sr_conflicts;
- int rr = expected_rr_conflicts == -1 ? 0 : expected_rr_conflicts;
if (! src_ok)
- warn (ngettext ("expected %d shift/reduce conflict",
- "expected %d shift/reduce conflicts",
- sr), sr);
+ complain (ngettext ("expected %d shift/reduce conflict",
+ "expected %d shift/reduce conflicts",
+ src_expected),
+ src_expected);
if (! rrc_ok)
- warn (ngettext ("expected %d reduce/reduce conflict",
- "expected %d reduce/reduce conflicts",
- rr), rr);
+ complain (ngettext ("expected %d reduce/reduce conflict",
+ "expected %d reduce/reduce conflicts",
+ rrc_expected),
+ rrc_expected);
}
}