Don't depend on C99 features.

[bison.git] / ChangeLog

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+2007-05-27  Joel E. Denny  <jdenny@ces.clemson.edu>
+
+       Don't depend on C99 features.
+       * src/conflicts.c (conflicts_update_state_numbers): Fix for-loop.
+       * src/lalr.c (lalr_update_state_numbers): Fix for-loop.
+       * src/reader.c (check_and_convert_grammar): Fix for-loop.
+       * src/state.c (state_mark_reachable_states): Fix for-loop.
+       (state_remove_unreachable_states): Fix for-loop.
+
+       Don't widen struct state with member reachable just to temporarily
+       record reachability.  Instead, use a local bitset.
+       * src/state.h (struct state): Remove member.
+       * src/state.c (state_new): Don't initialize it.
+       (state_mark_reachable_states): Rename to...
+       (state_record_reachable_states): ... this, and use bitset.
+       (state_remove_unreachable_states): Use bitset.
+
+2007-05-26  Joel E. Denny  <jdenny@ces.clemson.edu>
+
+       * src/Makefile.am (yacc): Quote target action commands properly so
+       that the yacc script isn't corrupt.  Reported by Hans Aberg at
+       <http://lists.gnu.org/archive/html/bug-bison/2007-05/msg00003.html>.
+
+       * data/glr.c (yylval): As in yacc.c, don't extern in the header for
+       the case of pure parsers.  Reported by Frans Englich at
+       <http://lists.gnu.org/archive/html/help-bison/2007-05/msg00018.html>.
+       * THANKS: Add Frans Englich.
+
+       * NEWS (2.3a+): In the %code entry, reference section `Bison
+       Declaration Summary' from the manual now since the %code summary has
+       moved there.
+       * doc/bison.texinfo (Prologue Alternatives): Mention that directives
+       in the rules section must be terminated by semicolons.
+
+2007-05-20  Joel E. Denny  <jdenny@ces.clemson.edu>
+
+       Extend the front-end API for %define variables to more completely
+       mirror the back-end.  This will be useful in the future.
+       * data/bison.m4 (b4_percent_define_get, b4_percent_define_ifdef):
+       Update comments to mention the new front-end counterparts of these
+       macros.
+       * src/muscle_tab.c (MUSCLE_COMMON_DECODE): New macro with common code
+       for muscle_string_decode and muscle_location_decode.
+       (muscle_string_decode): New static function.
+       (muscle_location_decode): Use MUSCLE_COMMON_DECODE.
+       (muscle_percent_define_get, muscle_percent_define_ifdef): New
+       functions.
+       (muscle_percent_define_flag_if): Use muscle_percent_define_ifdef and
+       muscle_percent_define_get to mimic the b4_percent_define_flag_if
+       implementation more closely.
+       (muscle_percent_define_invalid_value): New function.
+       * src/muscle_tab.h (muscle_percent_define_get,
+       muscle_percent_define_ifdef, muscle_percent_define_invalid_value):
+       Prototype.
+
+2007-05-07  Joel E. Denny  <jdenny@ces.clemson.edu>
+
+       * NEWS (2.3a+): Mention yesterday's state-removal change.
+       (2.3a): Remove the %language entry, which was added after 2.3a.
+       * src/LR0.c, src/closure.c, src/closure.h, src/conflicts.c,
+       src/conflicts.h, src/lalr.c, src/lalr.h, src/print.c,
+       src/print_graph.c, src/state.c, src/state.h, tests/conflicts.at,
+       tests/existing.at: Update copyright date.
+
 2007-05-06  Joel E. Denny  <jdenny@ces.clemson.edu>
 
        If conflict resolution makes states unreachable, remove those states,