X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/bcd80897f3b414973fc34dc2ec57ce4df2e69253..1dce289a0070373300f399b2230c0dbdf366e729:/data/glr.cc

diff --git a/data/glr.cc b/data/glr.cc
index 9879c305..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
@@ -55,6 +55,17 @@ m4_define([b4_parser_class_name],
 # Save the parse parameters.
 m4_define([b4_parse_param_orig], m4_defn([b4_parse_param]))
 
+# b4_parse_param_wrap
+# -------------------
+# New ones.
+m4_ifset([b4_parse_param],
+[m4_define([b4_parse_param_wrap],
+           [[b4_namespace_ref::b4_parser_class_name[& yyparser], [[yyparser]]],]
+m4_defn([b4_parse_param]))],
+[m4_define([b4_parse_param_wrap],
+           [[b4_namespace_ref::b4_parser_class_name[& yyparser], [[yyparser]]]])
+])
+
 
 # b4_yy_symbol_print_define
 # -------------------------
@@ -101,10 +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.  |
 `------------------*/
@@ -215,8 +244,7 @@ b4_namespace_close
 # Declaration that might either go into the header (if --defines)
 # or open coded in the parser body.
 m4_define([b4_shared_declarations],
-[dnl In this section, the parse params are the original parse_params.
-m4_pushdef([b4_parse_param], m4_defn([b4_parse_param_orig]))dnl
+[m4_pushdef([b4_parse_param], m4_defn([b4_parse_param_orig]))dnl
 b4_percent_code_get([[requires]])[
 
 #include <stdexcept>
@@ -280,7 +308,7 @@ b4_location_define])])[
                                    const semantic_type* yyvaluep]b4_locations_if([[,
                                    const location_type* yylocationp]])[);
   private:
-    /* Debugging.  */
+    // Debugging.
     std::ostream* yycdebug_;
 #endif
 
@@ -304,13 +332,11 @@ b4_percent_define_flag_if([[global_tokens_and_yystype]],
 ])
 
 b4_defines_if(
-[m4_changecom()dnl
-m4_divert_push(0)dnl
-@output(b4_spec_defines_file@)@
+[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.  */
+// C++ GLR parser skeleton written by Akim Demaille.
 
 ]b4_cpp_guard_open([b4_spec_defines_file])[
 ]b4_shared_declarations[
@@ -319,12 +345,6 @@ b4_copyright([Skeleton interface for Bison GLR parsers in C++],
 
 # Let glr.c (and b4_shared_declarations) believe that the user
 # arguments include the parser itself.
-m4_ifset([b4_parse_param],
-[m4_pushdef([b4_parse_param],
-            [[b4_namespace_ref::b4_parser_class_name[& yyparser], [[yyparser]]],]
-m4_defn([b4_parse_param]))],
-[m4_pushdef([b4_parse_param],
-            [[b4_namespace_ref::b4_parser_class_name[& yyparser], [[yyparser]]]])
-])
+m4_pushdef([b4_parse_param], m4_defn([b4_parse_param_wrap]))
 m4_include(b4_pkgdatadir/[glr.c])
 m4_popdef([b4_parse_param])