Chris@16: /*
Chris@101:  *          Copyright Andrey Semashev 2007 - 2015.
Chris@16:  * Distributed under the Boost Software License, Version 1.0.
Chris@16:  *    (See accompanying file LICENSE_1_0.txt or copy at
Chris@16:  *          http://www.boost.org/LICENSE_1_0.txt)
Chris@16:  */
Chris@16: /*!
Chris@16:  * \file   attr_fwd.hpp
Chris@16:  * \author Andrey Semashev
Chris@16:  * \date   21.07.2012
Chris@16:  *
Chris@16:  * The header contains forward declaration of a generic attribute placeholder in template expressions.
Chris@16:  */
Chris@16: 
Chris@16: #ifndef BOOST_LOG_EXPRESSIONS_ATTR_FWD_HPP_INCLUDED_
Chris@16: #define BOOST_LOG_EXPRESSIONS_ATTR_FWD_HPP_INCLUDED_
Chris@16: 
Chris@16: #include <boost/log/detail/config.hpp>
Chris@16: #include <boost/log/attributes/fallback_policy_fwd.hpp>
Chris@16: 
Chris@16: #ifdef BOOST_HAS_PRAGMA_ONCE
Chris@16: #pragma once
Chris@16: #endif
Chris@16: 
Chris@16: namespace boost {
Chris@16: 
Chris@16: #ifndef BOOST_LOG_DOXYGEN_PASS
Chris@16: 
Chris@16: namespace phoenix {
Chris@16: 
Chris@16: template< typename >
Chris@16: struct actor;
Chris@16: 
Chris@16: } // namespace phoenix
Chris@16: 
Chris@16: #endif
Chris@16: 
Chris@16: BOOST_LOG_OPEN_NAMESPACE
Chris@16: 
Chris@16: namespace expressions {
Chris@16: 
Chris@16: /*!
Chris@16:  * An attribute value extraction terminal
Chris@16:  */
Chris@16: template<
Chris@16:     typename T,
Chris@16:     typename FallbackPolicyT = fallback_to_none,
Chris@16:     typename TagT = void
Chris@16: >
Chris@16: class attribute_terminal;
Chris@16: 
Chris@16: /*!
Chris@16:  * An attribute value extraction terminal actor
Chris@16:  */
Chris@16: template<
Chris@16:     typename T,
Chris@16:     typename FallbackPolicyT = fallback_to_none,
Chris@16:     typename TagT = void,
Chris@16:     template< typename > class ActorT = phoenix::actor
Chris@16: >
Chris@16: class attribute_actor;
Chris@16: 
Chris@16: } // namespace expressions
Chris@16: 
Chris@16: BOOST_LOG_CLOSE_NAMESPACE // namespace log
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #endif // BOOST_LOG_EXPRESSIONS_ATTR_FWD_HPP_INCLUDED_