Orocos Real-Time Toolkit  2.6.0
CommonParser.hpp
00001 /***************************************************************************
00002   tag: Peter Soetens  Thu Jul 15 11:21:23 CEST 2004  CommonParser.hpp
00003 
00004                         CommonParser.hpp -  description
00005                            -------------------
00006     begin                : Thu July 15 2004
00007     copyright            : (C) 2004 Peter Soetens
00008     email                : peter.soetens at mech.kuleuven.ac.be
00009 
00010  ***************************************************************************
00011  *   This library is free software; you can redistribute it and/or         *
00012  *   modify it under the terms of the GNU General Public                   *
00013  *   License as published by the Free Software Foundation;                 *
00014  *   version 2 of the License.                                             *
00015  *                                                                         *
00016  *   As a special exception, you may use this file as part of a free       *
00017  *   software library without restriction.  Specifically, if other files   *
00018  *   instantiate templates or use macros or inline functions from this     *
00019  *   file, or you compile this file and link it with other files to        *
00020  *   produce an executable, this file does not by itself cause the         *
00021  *   resulting executable to be covered by the GNU General Public          *
00022  *   License.  This exception does not however invalidate any other        *
00023  *   reasons why the executable file might be covered by the GNU General   *
00024  *   Public License.                                                       *
00025  *                                                                         *
00026  *   This library is distributed in the hope that it will be useful,       *
00027  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00028  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
00029  *   Lesser General Public License for more details.                       *
00030  *                                                                         *
00031  *   You should have received a copy of the GNU General Public             *
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00033  *   Foundation, Inc., 59 Temple Place,                                    *
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00035  *                                                                         *
00036  ***************************************************************************/
00037 #ifndef COMMONPARSER_HPP
00038 #define COMMONPARSER_HPP
00039 
00040 #include "parser-types.hpp"
00041 #include "../rtt-config.h"
00042 
00043 namespace RTT { namespace scripting
00044 {
00045 
00052   class RTT_SCRIPTING_API CommonParser
00053   {
00054       std::string lastparsedident;
00055   public:
00056       // The characters of an identifier after the first char.
00057       chset<> identchar;
00058 
00059       symbols<nil_t> keywordstable;
00060       // parses any reserved keyword
00061       rule_t keyword,keywords,endofkeyword;
00062 
00063       // the normal identifier throws an error if it fails to match
00064       // because a keyword was used.  Normally this is no problem, but
00065       // if it really is, use notassertingidentifier.
00066       rule_t idr;
00067       lexeme_rule_t idlr;
00068       rule_t identifier;  
00069       rule_t templ;       
00070       rule_t tidentifier; 
00071       rule_t notassertingidentifier; 
00072       lexeme_rule_t lexeme_identifier; 
00073       lexeme_rule_t lexeme_notassertingidentifier; 
00074       rule_t type_name;
00076 
00080       rule_t eos;
00081       rule_t notassertingeos;
00082       lexeme_rule_t leos;
00083 
00085       bool skipeol;
00086       functor_parser<eol_skip_functor> skipper;
00088 
00089       CommonParser();
00090       ~CommonParser();
00091 
00092       void seenillegalidentifier();
00093 
00098 #     define keyword_p(word) (lexeme_d[ str_p(word) >> eps_p(~chset_p("a-zA-Z_0-9")) ])
00099 
00100   };
00101 }}
00102 
00103 #endif