///////////////////////////////////////////////////////////////////////////////

// as_sequence.hpp

//

//  Copyright 2007 Eric Niebler. 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)



#ifndef BOOST_XPRESSIVE_DETAIL_STATIC_TRANSFORMS_AS_SEQUENCE_HPP_EAN_04_01_2007

#define BOOST_XPRESSIVE_DETAIL_STATIC_TRANSFORMS_AS_SEQUENCE_HPP_EAN_04_01_2007



// MS compatible compilers support #pragma once

#if defined(_MSC_VER) && (_MSC_VER >= 1020)

# pragma once

#endif



#include <boost/mpl/assert.hpp>

#include <boost/type_traits/is_same.hpp>

#include <boost/xpressive/detail/detail_fwd.hpp>

#include <boost/xpressive/detail/static/static.hpp>



namespace boost { namespace xpressive { namespace detail

{



    template<typename Grammar>

    struct in_sequence

      : Grammar

    {

        in_sequence();



        template<typename Expr, typename State, typename Visitor>

        struct apply

        {

            typedef static_xpression<

                typename Grammar::template apply<Expr, State, Visitor>::type

              , State

            > type;

        };



        template<typename Expr, typename State, typename Visitor>

        static typename apply<Expr, State, Visitor>::type

        call(Expr const &expr, State const &state, Visitor &visitor)

        {

            return typename apply<Expr, State, Visitor>::type(

                Grammar::call(expr, state, visitor)

              , state

            );

        }

    };



}}}



#endif

