ytab.sed: replace argument

* tool/ytab.sed: substitute the first argument of YYFPRINTF, instead
  of substitution by preprocessor, not to redefine stderr.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53100 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

parse.y

@@ -44,13 +44,7 @@
 #define YYREALLOC(ptr, size)	rb_parser_realloc(parser, (ptr), (size))
 #define YYCALLOC(nelem, size)	rb_parser_calloc(parser, (nelem), (size))
 #define YYFREE(ptr)		rb_parser_free(parser, (ptr))
-#ifdef HAVE_VA_ARGS_MACRO
-# define YYFPRINTF(f, fmt, ...) rb_parser_printf(parser, fmt, ##__VA_ARGS__)
-#else
-# define YYFPRINTF		rb_parser_printf
-# undef stderr
-# define stderr 		parser
-#endif
+#define YYFPRINTF		rb_parser_printf
 #undef malloc
 #undef realloc
 #undef calloc

tool/ytab.sed

@@ -47,16 +47,9 @@ a\
   }
   x
 }
-/^yy_symbol_value_print/{
-  a\
-#define yy_symbol_value_print(output, type, value, parser) yy_symbol_value_print(0, type, value, parser)
-}
-/^yy_symbol_print/{
-  a\
-#define yy_symbol_print(output, type, value, parser) yy_symbol_print(0, type, value, parser)
-  a\
-#define yyoutput parser
-}
+s/\( YYFPRINTF *(\)yyoutput,/\1parser,/
+s/\( YYFPRINTF *(\)stderr,/\1parser,/
+s/\( YYDPRINTF *((\)stderr,/\1parser,/
 s/^\([ 	]*\)\(yyerror[ 	]*([ 	]*parser,\)/\1parser_\2/
 s!^ *extern char \*getenv();!/* & */!
 s/^\(#.*\)".*\.tab\.c"/\1"parse.c"/