| /////////////////////////////////////////////////////////////////////////////// |
| // 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 |