X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/0707d0c7fabeb319933aaea1bb7aa5d68101ac47..435575cb5e28bfc20263413e837c24a95373b3d4:/data/glr.cc

diff --git a/data/glr.cc b/data/glr.cc
index 5f5a96f4..0164eda6 100644
--- a/data/glr.cc
+++ b/data/glr.cc
@@ -1,6 +1,6 @@
 # C++ 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
@@ -43,12 +43,6 @@
 #   user must initialize the first positions (in particular the
 #   filename member).
 
-b4_token_ctor_if([b4_variant_if([],
-  [b4_fatal_at(b4_percent_define_get_loc(api.token.constructor),
-               [cannot use '%s' without '%s'],
-               [%define api.token.constructor],
-               [%define api.value.type variant]))])])
-
 # We require a pure interface.
 m4_define([b4_pure_flag],      [1])
 
@@ -118,10 +112,28 @@ m4_defn([b4_initial_action])]))])[
     [[const char* msg], [msg]])])
 
 
+#undef yynerrs
+#undef yychar
+#undef yylval]b4_locations_if([
+#undef yylloc])
+
+m4_if(b4_prefix, [yy], [],
+[[/* Substitute the variable and function names.  */
+#define yyparse ]b4_prefix[parse
+#define yylex   ]b4_prefix[lex
+#define yyerror ]b4_prefix[error
+#define yydebug ]b4_prefix[debug
+]]b4_pure_if([], [[
+#define yylval  ]b4_prefix[lval
+#define yychar  ]b4_prefix[char
+#define yynerrs ]b4_prefix[nerrs]b4_locations_if([[
+#define yylloc  ]b4_prefix[lloc]])]))
+
 # Hijack the epilogue to define implementations (yyerror, parser member
 # functions etc.).
 m4_append([b4_epilogue],
 [b4_syncline([@oline@], [@ofile@])[
+
 /*------------------.
 | Report an error.  |
 `------------------*/
@@ -322,7 +334,7 @@ b4_percent_define_flag_if([[global_tokens_and_yystype]],
 b4_defines_if(
 [b4_output_begin([b4_spec_defines_file])
 b4_copyright([Skeleton interface for Bison GLR parsers in C++],
-             [2002-2012])[
+             [2002-2013])[
 
 // C++ GLR parser skeleton written by Akim Demaille.