* data/yacc.c (yyexhaustedlab): Define it when YYERROR_VERBOSE is

[bison.git] / ChangeLog

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+2007-08-03  Joel E. Denny  <jdenny@ces.clemson.edu>
+
+       * data/yacc.c (yyexhaustedlab): Define it when YYERROR_VERBOSE is
+       true since it's then always used regardless of whether yyoverflow is
+       defined.  Reported by Christian Burger at
+       <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00031.html>.
+       * THANKS: Add Christian Burger.
+
+2007-07-28  Joel E. Denny  <jdenny@ces.clemson.edu>
+
+       * src/muscle_tab.c (muscle_percent_define_flag_if): In order to
+       determine whether this function has already complained about an invalid
+       value for a %define boolean variable, don't check whether Bison has
+       ever examined the value.  As written, the check was a tautology.
+       Instead, record and check for this complaint using a separate muscle.
+
+2007-07-27  Joel E. Denny  <jdenny@ces.clemson.edu>
+
+       Fix push parsing memory leak reported by Brandon Lucia at
+       <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00032.html>.
+       * THANKS: Add Brandon Lucia.
+       * data/push.c (yypstate_delete): Free the stack if it was reallocated
+       but the parse never completed and thus freed it.
+       * tests/Makefile.am (TESTSUITE_AT): Add push.at.
+       * tests/testsuite.at: Include push.at.
+       * test/push.at: New.
+       (Push Parsing: Memory Leak for Early Deletion): New test case.
+
+2007-07-17  Joel E. Denny  <jdenny@ces.clemson.edu>
+
+       Improve handling of multiple S/R conflicts in the same state and of S/R
+       conflicts involving multiple reductions.
+       * src/conflicts.c (resolve_sr_conflict): Don't assign the error action
+       set for a state here or Bison will abort if it is reassigned on a
+       later conflicted reduction in the same state.
+       Similarly, don't finalize and assign the solved conflicts report here
+       or it will be lost if it is reassigned on a later conflicted reduction
+       in the same state.
+       (set_conflicts): Instead, assign them both here after all S/R conflicts
+       in the state have been fully examined.
+       * src/print.c (shift_set): Rename to...
+       (no_reduce_set): ... this.
+       (print_reductions): Update for rename, and add %nonassoc error action
+       tokens to no_reduce_set so that, when printing the first remaining
+       reduction on an error action token, the reduction is enclosed in
+       brackets.
+       (print_results): Update for rename.
+       * tests/conflicts.at (Solved conflicts report for multiple reductions
+       in a state): New test case.
+       (%nonassoc error actions for multiple reductions in a state): New test
+       case.
+
+       * src/main.c (main): Don't depend on C99 features.
+
 2007-07-16  Joel E. Denny  <jdenny@ces.clemson.edu>
 
        * build-aux/.cvsignore: Add compile.