X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/8ec0a172bcae50565b68288a32c0dd9368eee8ad..5422d56a718805a2470558808355e04182a12d65:/data/glr.cc

diff --git a/data/glr.cc b/data/glr.cc
index e742c03d..15b113f7 100644
--- a/data/glr.cc
+++ b/data/glr.cc
@@ -1,22 +1,21 @@
-m4_divert(-1)                                                       -*- C -*-
+                                                                    -*- C -*-
 
 # C++ GLR skeleton for Bison
-# Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
 
-# This program is free software; you can redistribute it and/or modify
+# Copyright (C) 2002-2011 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
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
-
+#
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
-
+#
 # You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-# 02110-1301  USA
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
 # This skeleton produces a C++ class that encapsulates a C glr parser.
@@ -52,11 +51,14 @@ m4_define([b4_pure_flag],      [1])
 
 # The header is mandatory.
 b4_defines_if([],
-              [m4_fatal(b4_skeleton[: using %defines is mandatory])])
+              [b4_fatal([b4_skeleton[: using %%defines is mandatory]])])
 
 m4_include(b4_pkgdatadir/[c++.m4])
-m4_include(b4_pkgdatadir/[location.cc])
+b4_percent_define_ifdef([[location_type]], [],
+                        [m4_include(b4_pkgdatadir/[location.cc])])
 
+m4_define([b4_parser_class_name],
+          [b4_percent_define_get([[parser_class_name]])])
 
 # Save the parse parameters.
 m4_define([b4_parse_param_orig], m4_defn([b4_parse_param]))
@@ -76,9 +78,9 @@ m4_define([b4_yy_symbol_print_generate],
     [static void],
     [[FILE *],               []],
     [[int yytype],           [yytype]],
-    [[const b4_namespace::b4_parser_class_name::semantic_type *yyvaluep],
+    [[const b4_namespace_ref::b4_parser_class_name::semantic_type *yyvaluep],
 			     [yyvaluep]],
-    [[const b4_namespace::b4_parser_class_name::location_type *yylocationp],
+    [[const b4_namespace_ref::b4_parser_class_name::location_type *yylocationp],
 			     [yylocationp]],
     b4_parse_param)[
 {
@@ -94,7 +96,7 @@ m4_append([b4_post_prologue],
 
 b4_c_ansi_function_decl([yyerror],
     [static void],
-    [[b4_namespace::b4_parser_class_name::location_type *yylocationp], [yylocationp]],
+    [[b4_namespace_ref::b4_parser_class_name::location_type *yylocationp], [yylocationp]],
     b4_parse_param,
     [[const char* msg], [msg]])])
 
@@ -108,7 +110,7 @@ m4_append([b4_epilogue],
 
 ]b4_c_ansi_function_def([yyerror],
     [static void],
-    [[b4_namespace::b4_parser_class_name::location_type *yylocationp], [yylocationp]],
+    [[b4_namespace_ref::b4_parser_class_name::location_type *yylocationp], [yylocationp]],
     b4_parse_param,
     [[const char* msg], [msg]])[
 {
@@ -117,13 +119,16 @@ m4_append([b4_epilogue],
 }
 
 
-namespace ]b4_namespace[
-{
+]b4_namespace_open[
 ]dnl In this section, the parse param are the original parse_params.
 m4_pushdef([b4_parse_param], m4_defn([b4_parse_param_orig]))dnl
 [  /// Build a parser object.
-  ]b4_parser_class_name::b4_parser_class_name[ (]b4_parse_param_decl[)
-    : yycdebug_ (&std::cerr)]b4_parse_param_cons[
+  ]b4_parser_class_name::b4_parser_class_name[ (]b4_parse_param_decl[)]m4_ifset([b4_parse_param], [
+    :])[
+#if YYDEBUG
+    ]m4_ifset([b4_parse_param], [  ], [ :])[yydebug_ (false),
+      yycdebug_ (&std::cerr)]m4_ifset([b4_parse_param], [,])[
+#endif]b4_parse_param_cons[
   {
   }
 
@@ -185,18 +190,18 @@ m4_pushdef([b4_parse_param], m4_defn([b4_parse_param_orig]))dnl
   ]b4_parser_class_name[::debug_level_type
   ]b4_parser_class_name[::debug_level () const
   {
-    return ::yydebug;
+    return yydebug_;
   }
 
   void
   ]b4_parser_class_name[::set_debug_level (debug_level_type l)
   {
-    ::yydebug = l;
+    yydebug_ = l;
   }
 
-#endif /* ! YYDEBUG */
+#endif
 ]m4_popdef([b4_parse_param])dnl
-[} // namespace ]b4_namespace[
+b4_namespace_close[
 
 ]])
 
@@ -204,59 +209,39 @@ m4_pushdef([b4_parse_param], m4_defn([b4_parse_param_orig]))dnl
 # Let glr.c believe that the user arguments include the parser itself.
 m4_ifset([b4_parse_param],
 [m4_pushdef([b4_parse_param],
-	    m4_dquote([[[b4_namespace::b4_parser_class_name& yyparser], [[yyparser]]],]
+	    m4_dquote([[[b4_namespace_ref::b4_parser_class_name& yyparser], [[yyparser]]],]
 m4_defn([b4_parse_param])))],
 [m4_pushdef([b4_parse_param],
-	    [[[[b4_namespace::b4_parser_class_name& yyparser], [[yyparser]]]]])
+	    [[[[b4_namespace_ref::b4_parser_class_name& yyparser], [[yyparser]]]]])
 ])
 m4_include(b4_pkgdatadir/[glr.c])
 m4_popdef([b4_parse_param])
 
-@output @output_header_name@
+m4_divert_push(0)
+@output(b4_spec_defines_file@)@
 b4_copyright([Skeleton interface for Bison GLR parsers in C++],
-  [2002, 2003, 2004, 2005, 2006])[
+             [2002-2006, 2009-2011])[
 
 /* C++ GLR parser skeleton written by Akim Demaille.  */
 
 #ifndef PARSER_HEADER_H
 # define PARSER_HEADER_H
 
+]b4_percent_code_get([[requires]])[
+
 #include <string>
 #include <iostream>
+]b4_percent_define_ifdef([[location_type]], [],
+                         [[#include "location.hh"]])[
 
 /* Using locations.  */
 #define YYLSP_NEEDED ]b4_locations_flag[
 
-namespace ]b4_namespace[
-{
-  class position;
-  class location;
-}
-
-]m4_ifdef([b4_start_header],
-[[/* Copy the %start-header blocks.  */
-]b4_user_start_header])[
-
-#include "location.hh"
-
 /* Enabling traces.  */
 #ifndef YYDEBUG
 # define YYDEBUG ]b4_debug_flag[
 #endif
 
-/* Enabling verbose error messages.  */
-#ifdef YYERROR_VERBOSE
-# undef YYERROR_VERBOSE
-# define YYERROR_VERBOSE 1
-#else
-# define YYERROR_VERBOSE ]b4_error_verbose_flag[
-#endif
-
-/* Enabling the token table.  */
-#ifndef YYTOKEN_TABLE
-# define YYTOKEN_TABLE ]b4_token_table[
-#endif
-
 /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
    If N is 0, then set CURRENT to the empty location which ends
    the previous symbol: RHS[0] (always defined).  */
@@ -276,8 +261,7 @@ namespace ]b4_namespace[
     while (/*CONSTCOND*/ 0)
 #endif
 
-namespace ]b4_namespace[
-{
+]b4_namespace_open[
   /// A Bison parser.
   class ]b4_parser_class_name[
   {
@@ -286,14 +270,18 @@ namespace ]b4_namespace[
 #ifndef YYSTYPE
 ]m4_ifdef([b4_stype],
 [    union semantic_type
+    {
 b4_user_stype
-	;],
-[    typedef int semantic_type;])[
+    };],
+[m4_if(b4_tag_seen_flag, 0,
+[[    typedef int semantic_type;]],
+[[    typedef YYSTYPE semantic_type;]])])[
 #else
     typedef YYSTYPE semantic_type;
 #endif
     /// Symbol locations.
-    typedef ]b4_location_type[ location_type;
+    typedef ]b4_percent_define_get([[location_type]],
+                                   [[location]])[ location_type;
     /// Tokens.
     struct token
     {
@@ -348,7 +336,10 @@ b4_user_stype
 				   const semantic_type* yyvaluep,
 				   const location_type* yylocationp);
   private:
-#endif /* ! YYDEBUG */
+    /* Debugging.  */
+    int yydebug_;
+    std::ostream* yycdebug_;
+#endif
 
 
     /// \brief Reclaim the memory associated to a symbol.
@@ -361,26 +352,23 @@ b4_user_stype
 			     semantic_type* yyvaluep,
 			     location_type* yylocationp);
 
-    /* Debugging.  */
-    std::ostream* yycdebug_;
 ]b4_parse_param_vars[
   };
 
 ]dnl Redirections for glr.c.
-m4_ifset([b4_global_tokens_and_yystype],
+b4_percent_define_flag_if([[global_tokens_and_yystype]],
 [b4_token_defines(b4_tokens)])
 [
 #ifndef YYSTYPE
-# define YYSTYPE ]b4_namespace[::]b4_parser_class_name[::semantic_type
+# define YYSTYPE ]b4_namespace_ref[::]b4_parser_class_name[::semantic_type
 #endif
 #ifndef YYLTYPE
-# define YYLTYPE ]b4_namespace[::]b4_parser_class_name[::location_type
+# define YYLTYPE ]b4_namespace_ref[::]b4_parser_class_name[::location_type
 #endif
 
-}
+]b4_namespace_close[
 
-]m4_ifdef([b4_end_header],
-[[/* Copy the %end-header blocks.  */
-]b4_end_header])[]dnl
+]b4_percent_code_get([[provides]])[]dnl
 
 [#endif /* ! defined PARSER_HEADER_H */]
+m4_divert_pop(0)