2005-07-12 Akim Demaille <akim@epita.fr>

[bison.git] / data / yacc.c

diff --git a/data/yacc.c b/data/yacc.c
index 802e53d872e47ad2c7decad7416d05532f8c8380..945d09604705febb699d0c8d77ff669117f9a140 100644 (file)
--- a/data/yacc.c
+++ b/data/yacc.c
@@ -262,6 +262,9 @@ b4_syncline([@oline@], [@ofile@])[
 #  ifndef YYSTACK_ALLOC_MAXIMUM
 #   define YYSTACK_ALLOC_MAXIMUM ((YYSIZE_T) -1)
 #  endif
 #  ifndef YYSTACK_ALLOC_MAXIMUM
 #   define YYSTACK_ALLOC_MAXIMUM ((YYSIZE_T) -1)
 #  endif

+#  ifdef __cplusplus
+extern "C" {
+#  endif

 #  ifndef YYMALLOC
 #   define YYMALLOC malloc
 #   if (! defined (malloc) && ! defined (YYINCLUDED_STDLIB_H) \
 #  ifndef YYMALLOC
 #   define YYMALLOC malloc
 #   if (! defined (malloc) && ! defined (YYINCLUDED_STDLIB_H) \


@@ -276,6 +279,9 @@ void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
 void free (void *); /* INFRINGES ON USER NAME SPACE */
 #   endif
 #  endif
 void free (void *); /* INFRINGES ON USER NAME SPACE */
 #   endif
 #  endif

+#  ifdef __cplusplus
+}
+#  endif

 # endif
 #endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
 
 # endif
 #endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
 


@@ -853,18 +859,19 @@ b4_c_function_def([yyparse], [int], b4_parse_param)
 #endif
 ]])
 m4_ifdef([b4_initial_action], [
 #endif
 ]])
 m4_ifdef([b4_initial_action], [

-m4_pushdef([b4_at_dollar],     [yylloc])dnl
-m4_pushdef([b4_dollar_dollar], [yylval])dnl
+m4_pushdef([b4_at_dollar],     [m4_define([b4_at_dollar_used])yylloc])dnl
+m4_pushdef([b4_dollar_dollar], [m4_define([b4_dollar_dollar_used])yylval])dnl

   /* User initialization code. */
 b4_initial_action
 m4_popdef([b4_dollar_dollar])dnl
 m4_popdef([b4_at_dollar])dnl
 /* Line __line__ of yacc.c.  */
   /* User initialization code. */
 b4_initial_action
 m4_popdef([b4_dollar_dollar])dnl
 m4_popdef([b4_at_dollar])dnl
 /* Line __line__ of yacc.c.  */

-b4_syncline([@oline@], [@ofile@])])dnl
-[
-  yyvsp[0] = yylval;
-]b4_location_if([[    yylsp[0] = yylloc;
-]])
+b4_syncline([@oline@], [@ofile@])
+])dnl
+m4_ifdef([b4_dollar_dollar_used],[[  yyvsp[0] = yylval;
+]])dnl
+m4_ifdef([b4_at_dollar_used], [[  yylsp[0] = yylloc;
+]])dnl

 [  goto yysetstate;
 
 /*------------------------------------------------------------.
 [  goto yysetstate;
 
 /*------------------------------------------------------------.