ceph/src/boost/boost/msm/front/euml/phoenix_placeholders.hpp

   1 // Copyright 2011 Christophe Henry
   2 // henry UNDERSCORE christophe AT hotmail DOT com
   3 // This is an extended version of the state machine available in the boost::mpl library
   4 // Distributed under the same license as the original.
   5 // Copyright for the original version:
   6 // Copyright 2005 David Abrahams and Aleksey Gurtovoy. Distributed
   7 // under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at
   9 // http://www.boost.org/LICENSE_1_0.txt)
  10
  11 #ifndef BOOST_MSM_FRONT_EUML_PHOENIX_PLACEHOLDERS_H
  12 #define BOOST_MSM_FRONT_EUML_PHOENIX_PLACEHOLDERS_H
  13
  14 #include <boost/phoenix/core/argument.hpp>
  15 // provide some meaningful placeholders (instead of arg1...arg4)
  16 namespace boost { namespace msm { namespace front { namespace euml
  17 {
  18     boost::phoenix::expression::argument<1>::type const _event = {};
  19     boost::phoenix::expression::argument<2>::type const _fsm = {};
  20     boost::phoenix::expression::argument<3>::type const _source = {};
  21     boost::phoenix::expression::argument<4>::type const _target = {};
  22     // this is for state actions
  23     boost::phoenix::expression::argument<3>::type const _state = {};
  24 }}}}
  25
  26 #endif //BOOST_MSM_FRONT_EUML_PHOENIX_PLACEHOLDERS_H