| /* |
| * Copyright Andrey Semashev 2007 - 2015. |
| * 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) |
| */ |
| /*! |
| * \file custom_terminal_spec.hpp |
| * \author Andrey Semashev |
| * \date 29.01.2012 |
| * |
| * The header contains Boost.Phoenix custom terminal specialization for Boost.Log terminals. |
| */ |
| |
| #ifndef BOOST_LOG_DETAIL_CUSTOM_TERMINAL_SPEC_HPP_INCLUDED_ |
| #define BOOST_LOG_DETAIL_CUSTOM_TERMINAL_SPEC_HPP_INCLUDED_ |
| |
| #include <boost/mpl/bool.hpp> |
| #include <boost/phoenix/core/terminal_fwd.hpp> |
| #include <boost/phoenix/core/is_nullary.hpp> |
| #include <boost/phoenix/core/terminal.hpp> // needed for terminal-related part of the grammar |
| #include <boost/type_traits/remove_cv.hpp> |
| #include <boost/type_traits/remove_reference.hpp> |
| #include <boost/utility/result_of.hpp> |
| #include <boost/log/detail/config.hpp> |
| #include <boost/log/detail/header.hpp> |
| |
| #ifdef BOOST_HAS_PRAGMA_ONCE |
| #pragma once |
| #endif |
| |
| namespace boost { |
| |
| namespace phoenix { |
| |
| template< typename T > |
| struct is_custom_terminal< T, typename T::_is_boost_log_terminal > : |
| public mpl::true_ |
| { |
| }; |
| |
| template< typename T > |
| struct custom_terminal< T, typename T::_is_boost_log_terminal > |
| { |
| typedef custom_terminal< T, typename T::_is_boost_log_terminal > this_type; |
| |
| template< typename > |
| struct result; |
| |
| template< typename ThisT, typename TermT, typename ContextT > |
| struct result< ThisT(TermT, ContextT) > |
| { |
| typedef typename remove_cv< typename remove_reference< TermT >::type >::type term; |
| typedef typename boost::result_of< const term(ContextT) >::type type; |
| }; |
| |
| template< typename ContextT > |
| typename result< const this_type(T const&, ContextT&) >::type operator() (T const& term, ContextT& ctx) const |
| { |
| return term(ctx); |
| } |
| }; |
| |
| } // namespace phoenix |
| |
| } // namespace boost |
| |
| #include <boost/log/detail/footer.hpp> |
| |
| #endif // BOOST_LOG_DETAIL_CUSTOM_TERMINAL_SPEC_HPP_INCLUDED_ |