* data/c.m4 (b4_c_modern): New macro, with a new provision for _MSC_VER.

[bison.git] / ChangeLog

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+2006-01-04  Paul Eggert  <eggert@cs.ucla.edu>
+
+       * data/c.m4 (b4_c_modern): New macro, with a new provision for
+       _MSC_VER.  Problem reported by Cenzato Marco.
+       (b4_c_function_def): Use it.
+       * data/yacc.c (YYMODERN_C): Remove.  All uses replaced by
+       b4_c_modern.
+       (yystrlen, yystpcpy, yyparse): Use b4_c_function... macros rather
+       than rolling our own.
+
+2006-01-04  Akim Demaille  <akim@epita.fr>
+
+       Also warn about non-used mid-rule values.
+       * src/symlist.h, src/symlist.c (symbol_list): Add a mid_rule
+       member.
+       (symbol_list_new): Adjust.
+       * src/reader.c (symbol_typed_p): New.
+       (grammar_rule_check): Use it.
+       (grammar_midrule_action): Bind a mid-rule LHS to its rule.
+       Check its rule.
+       * tests/input.at (AT_CHECK_UNUSED_VALUES): New.
+       Use it.
+       * tests/actions.at (Exotic Dollars): Adjust.
+
+2006-01-04  Akim Demaille  <akim@epita.fr>
+
+       * src/reader.c (grammar_midrule_action): If $$ is set in a
+       mid-rule, move the `used' bit to its lhs.
+       * tests/input.at (Unused values): New.
+       * tests/actions.at (Exotic Dollars): Adjust: exp is not typed.
+
 2006-01-03  Paul Eggert  <eggert@cs.ucla.edu>
 
        * doc/bison.texinfo (Bison Options): Say more accurately what