X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/6085ab0d78e04357d737c8d036e7616bfaacf078..99c08fb6626f4aca4a7eb2e5d53dae43bc40771b:/data/glr.cc diff --git a/data/glr.cc b/data/glr.cc index cbf0d07d..0d9e0496 100644 --- a/data/glr.cc +++ b/data/glr.cc @@ -1,6 +1,6 @@ # C++ GLR skeleton for Bison -# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, -# Inc. +# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 +# 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 @@ -27,7 +27,7 @@ # # The additional arguments are stored as members of the parser # object, yyparser. The C routines need to carry yyparser -# throughout the C parser; that easy: just let yyparser become an +# throughout the C parser; that's easy: make yyparser an # additional parse-param. But because the C++ skeleton needs to # know the "real" original parse-param, we save them # (b4_parse_param_orig). Note that b4_parse_param is overquoted @@ -37,14 +37,14 @@ # The locations # # We use location.cc just like lalr1.cc, but because glr.c stores -# the locations in a (C++) union, the position and location classes +# the locations in a union, the position and location classes # must not have a constructor. Therefore, contrary to lalr1.cc, we # must not define "b4_location_constructors". As a consequence the # user must initialize the first positions (in particular the # filename member). # We require a pure interface using locations. -m4_define([b4_locations_flag], [1]) +m4_define([b4_percent_define(locations)], []) m4_define([b4_pure_flag], [1]) # The header is mandatory. @@ -123,8 +123,7 @@ m4_pushdef([b4_parse_param], m4_defn([b4_parse_param_orig]))dnl ]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], [,])[ + ]m4_ifset([b4_parse_param], [ ], [ :])[yycdebug_ (&std::cerr)]m4_ifset([b4_parse_param], [,])[ #endif]b4_parse_param_cons[ { } @@ -153,7 +152,7 @@ m4_pushdef([b4_parse_param], m4_defn([b4_parse_param_orig]))dnl YYUSE (yylocationp); switch (yytype) { - ]m4_map([b4_symbol_actions], m4_defn([b4_symbol_printers]))dnl +]b4_symbol_foreach([b4_symbol_printer])dnl [ default: break; } @@ -187,19 +186,18 @@ 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 ]m4_popdef([b4_parse_param])dnl b4_namespace_close[ - ]]) @@ -217,7 +215,7 @@ m4_popdef([b4_parse_param]) 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, 2003, 2004, 2005, 2006, 2007, 2008, 2009])[ /* C++ GLR parser skeleton written by Akim Demaille. */ @@ -230,7 +228,7 @@ b4_copyright([Skeleton interface for Bison GLR parsers in C++], #include /* Using locations. */ -#define YYLSP_NEEDED ]b4_locations_flag[ +#define YYLSP_NEEDED ]b4_locations_if([1], [0])[ ]b4_namespace_open[ class position; @@ -241,7 +239,7 @@ b4_copyright([Skeleton interface for Bison GLR parsers in C++], /* Enabling traces. */ #ifndef YYDEBUG -# define YYDEBUG ]b4_debug_flag[ +# define YYDEBUG ]b4_parse_trace_if([1], [0])[ #endif /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. @@ -268,28 +266,7 @@ b4_copyright([Skeleton interface for Bison GLR parsers in C++], class ]b4_parser_class_name[ { public: - /// Symbol semantic values. -#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;]])])[ -#else - typedef YYSTYPE semantic_type; -#endif - /// Symbol locations. - typedef ]b4_percent_define_get([[location_type]])[ location_type; - /// Tokens. - struct token - { - ]b4_token_enums(b4_tokens)[ - }; - /// Token type. - typedef token::yytokentype token_type; +]b4_public_types_declare[ /// Build a parser object. ]b4_parser_class_name[ (]b4_parse_param_decl[); @@ -311,14 +288,11 @@ b4_user_stype /// Set the current debugging level. void set_debug_level (debug_level_type l); - private: - public: /// Report a syntax error. /// \param loc where the syntax error is found. /// \param msg a description of the syntax error. virtual void error (const location_type& loc, const std::string& msg); - private: #if YYDEBUG public: @@ -338,11 +312,9 @@ b4_user_stype const location_type* yylocationp); private: /* Debugging. */ - int yydebug_; std::ostream* yycdebug_; #endif - /// \brief Reclaim the memory associated to a symbol. /// \param yymsg Why this token is reclaimed. /// \param yytype The symbol type.