glr.cc: fix a clang warning

[bison.git] / data / glr.c

diff --git a/data/glr.c b/data/glr.c
index e55a2df3e87e1b6c054fe214b7875576b5a6b0b4..1a2e6ba68729beaf1517c86ce1c0e35eab8408da 100644 (file)
--- a/data/glr.c
+++ b/data/glr.c
@@ -2,7 +2,7 @@
 
 # GLR skeleton for Bison
 
-# Copyright (C) 2002-2012 Free Software Foundation, Inc.
+# Copyright (C) 2002-2013 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -181,7 +181,7 @@ m4_define([b4_shared_declarations],
 
 b4_output_begin([b4_parser_file_name])
 b4_copyright([Skeleton implementation for Bison GLR parsers in C],
-             [2002-2012])[
+             [2002-2013])[
 
 /* C GLR parser skeleton written by Paul Hilfinger.  */
 
@@ -246,13 +246,6 @@ b4_percent_code_get[]dnl
 # endif
 #endif
 
-/* Suppress unused-variable warnings by "using" E.  */
-#if ! defined lint || defined __GNUC__
-# define YYUSE(E) ((void) (E))
-#else
-# define YYUSE(E) /* empty */
-#endif
-
 /* Identity function, used to suppress warnings about constant conditions.  */
 #ifndef lint
 # define YYID(N) (N)
@@ -287,21 +280,11 @@ b4_percent_code_get[]dnl
 # include <setjmp.h>
 # define YYJMP_BUF jmp_buf
 # define YYSETJMP(Env) setjmp (Env)
-// Pacify clang.
+/* Pacify clang.  */
 # define YYLONGJMP(Env, Val) (longjmp (Env, Val), YYASSERT (0))
 #endif
 
-/*-----------------.
-| GCC extensions.  |
-`-----------------*/
-
-#ifndef __attribute__
-/* This feature is available in gcc versions 2.5 and later.  */
-# if (! defined __GNUC__ || __GNUC__ < 2 \
-      || (__GNUC__ == 2 && __GNUC_MINOR__ < 5))
-#  define __attribute__(Spec) /* empty */
-# endif
-#endif
+]b4_attribute_define[
 
 #ifndef YYASSERT
 # define YYASSERT(Condition) ((void) ((Condition) || (abort (), 0)))
@@ -2013,6 +1996,7 @@ yyreportSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
 #if ! YYERROR_VERBOSE
   yyerror (]b4_lyyerror_args[YY_("syntax error"));
 #else
+  {
   yySymbol yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar);
   size_t yysize0 = yytnamerr (YY_NULL, yytokenName (yytoken));
   size_t yysize = yysize0;
@@ -2133,6 +2117,7 @@ yyreportSyntaxError (yyGLRStack* yystackp]b4_user_formals[)
       yyerror (]b4_lyyerror_args[YY_("syntax error"));
       yyMemoryExhausted (yystackp);
     }
+  }
 #endif /* YYERROR_VERBOSE */
   yynerrs += 1;
 }
@@ -2578,7 +2563,7 @@ m4_if(b4_skeleton, ["glr.c"],
 [b4_defines_if(
 [b4_output_begin([b4_spec_defines_file])
 b4_copyright([Skeleton interface for Bison GLR parsers in C],
-             [2002-2012])[
+             [2002-2013])[
 
 ]b4_cpp_guard_open([b4_spec_defines_file])[
 ]b4_shared_declarations[