// Copyright (c) 2001-2011 Hartmut Kaiser // Copyright (c) 2001-2011 Joel de Guzman // // Distributed under the Boost Software License, Version 1.0. (See accompanying // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) #if !defined(BOOST_SPIRIT_LEX_REFERENCE_APR_20_2009_0827AM) #define BOOST_SPIRIT_LEX_REFERENCE_APR_20_2009_0827AM #if defined(_MSC_VER) #pragma once #endif #include <boost/spirit/home/lex/meta_compiler.hpp> #include <boost/spirit/home/lex/lexer_type.hpp> #include <boost/spirit/home/qi/reference.hpp> #include <boost/spirit/home/support/info.hpp> #include <boost/spirit/home/support/handles_container.hpp> #include <boost/ref.hpp> namespace boost { namespace spirit { namespace lex { /////////////////////////////////////////////////////////////////////////// // reference is a lexer that references another lexer (its Subject) // all lexer components are at the same time /////////////////////////////////////////////////////////////////////////// template <typename Subject, typename IdType = unused_type> struct reference; template <typename Subject> struct reference<Subject, unused_type> : qi::reference<Subject> , lexer_type<reference<Subject> > { reference(Subject& subject) : qi::reference<Subject>(subject) {} template <typename LexerDef, typename String> void collect(LexerDef& lexdef, String const& state , String const& targetstate) const { this->ref.get().collect(lexdef, state, targetstate); } template <typename LexerDef> void add_actions(LexerDef& lexdef) const { this->ref.get().add_actions(lexdef); } }; template <typename Subject, typename IdType> struct reference : reference<Subject> { reference(Subject& subject) : reference<Subject>(subject) {} IdType id() const { return this->ref.get().id(); } std::size_t unique_id() const { return this->ref.get().unique_id(); } std::size_t state() const { return this->ref.get().state(); } }; }}} namespace boost { namespace spirit { namespace traits { /////////////////////////////////////////////////////////////////////////// template <typename Subject, typename IdType , typename Attribute, typename Context, typename Iterator> struct handles_container<lex::reference<Subject, IdType> , Attribute, Context, Iterator> : handles_container< typename remove_const<Subject>::type, Attribute, Context, Iterator> {}; }}} #endif