/////////////////////////////////////////////////////////////////////////////// | |
// as_sequence.hpp | |
// | |
// Copyright 2008 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 grammar_detail | |
{ | |
template<typename Grammar, typename Callable = proto::callable> | |
struct in_sequence : proto::transform<in_sequence<Grammar, Callable> > | |
{ | |
template<typename Expr, typename State, typename Data> | |
struct impl : proto::transform_impl<Expr, State, Data> | |
{ | |
typedef | |
detail::static_xpression< | |
typename Grammar::template impl<Expr, State, Data>::result_type | |
, State | |
> | |
result_type; | |
result_type operator ()( | |
typename impl::expr_param expr | |
, typename impl::state_param state | |
, typename impl::data_param data | |
) const | |
{ | |
return result_type( | |
typename Grammar::template impl<Expr, State, Data>()(expr, state, data) | |
, state | |
); | |
} | |
}; | |
}; | |
}}} | |
#endif |