CommonParser.hpp

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/***************************************************************************
  tag: Peter Soetens  Thu Jul 15 11:21:23 CEST 2004  CommonParser.hpp

                        CommonParser.hpp -  description
                           -------------------
    begin                : Thu July 15 2004
    copyright            : (C) 2004 Peter Soetens
    email                : peter.soetens at mech.kuleuven.ac.be

 ***************************************************************************
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#ifndef COMMONPARSER_HPP
#define COMMONPARSER_HPP

#include "parser-types.hpp"
#include "../rtt-config.h"

namespace RTT { namespace scripting
{

  class RTT_SCRIPTING_API CommonParser
  {
      std::string lastparsedident;
  public:
      // The characters of an identifier after the first char.
      chset<> identchar;

      symbols<nil_t> keywordstable;
      // parses any reserved keyword
      lexeme_rule_t keyword,keywords,endofkeyword;

      // the normal identifier throws an error if it fails to match
      // because a keyword was used.  Normally this is no problem, but
      // if it really is, use notassertingidentifier.
      rule_t idr;
      lexeme_rule_t idlr;
      rule_t identifier;  
      rule_t templ;       
      rule_t tidentifier; 
      rule_t notassertingidentifier; 
      lexeme_rule_t lexeme_identifier; 
      lexeme_rule_t lexeme_notassertingidentifier; 
      rule_t type_name;

      rule_t eos;
      rule_t notassertingeos;
      lexeme_rule_t leos;

      bool skipeol;
      functor_parser<eol_skip_functor> skipper;

      CommonParser();
      ~CommonParser();

      void seenillegalidentifier(iter_t begin, iter_t end );

#     define keyword_p(word) (lexeme_d[ str_p(word) >> eps_p(~chset_p("a-zA-Z_0-9") | eol_p | end_p ) ])

  };
}}

#endif