X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/aef3da86899c5f2cd4eed728b63bd82413106a43..9987d1b3cce14fd74c4bc382048254697c2de945:/data/glr.cc?ds=sidebyside
diff --git a/data/glr.cc b/data/glr.cc
index a3cafe8e..12f629a4 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.
+# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation,
+# Inc.
-# This program is free software; you can redistribute it and/or modify
+# 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 .
# This skeleton produces a C++ class that encapsulates a C glr parser.
@@ -52,11 +51,15 @@ 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])
+m4_define([b4_parser_class_name],
+ [b4_percent_define_get([[parser_class_name]])])
+m4_define([b4_namespace],
+ [b4_percent_define_get([[namespace]])])
# Save the parse parameters.
m4_define([b4_parse_param_orig], m4_defn([b4_parse_param]))
@@ -122,8 +125,12 @@ namespace ]b4_namespace[
]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[
{
}
@@ -185,16 +192,16 @@ 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[
@@ -212,7 +219,8 @@ m4_defn([b4_parse_param])))],
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])[
@@ -221,9 +229,7 @@ b4_copyright([Skeleton interface for Bison GLR parsers in C++],
#ifndef PARSER_HEADER_H
# define PARSER_HEADER_H
-]m4_ifdef([b4_start_header],
-[[/* Copy the %start-header blocks. */
-]b4_user_start_header])[
+]b4_percent_code_get([[requires]])[
#include
#include
@@ -244,19 +250,6 @@ namespace ]b4_namespace[
# 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). */
@@ -286,8 +279,9 @@ namespace ]b4_namespace[
#ifndef YYSTYPE
]m4_ifdef([b4_stype],
[ union semantic_type
+ {
b4_user_stype
- ;],
+ };],
[m4_if(b4_tag_seen_flag, 0,
[[ typedef int semantic_type;]],
[[ typedef YYSTYPE semantic_type;]])])[
@@ -295,7 +289,7 @@ b4_user_stype
typedef YYSTYPE semantic_type;
#endif
/// Symbol locations.
- typedef ]b4_location_type[ location_type;
+ typedef ]b4_percent_define_get([[location_type]])[ location_type;
/// Tokens.
struct token
{
@@ -350,7 +344,10 @@ 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.
@@ -363,13 +360,11 @@ 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
@@ -381,8 +376,7 @@ m4_ifset([b4_global_tokens_and_yystype],
}
-]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)