Chris@16: //  (C) Copyright Gennadiy Rozental 2005-2008.
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: //  See http://www.boost.org/libs/test for the library home page.
Chris@16: //
Chris@16: //  File        : $RCSfile$
Chris@16: //
Chris@101: //  Version     : $Revision$
Chris@16: //
Chris@16: //  Description : simple facilities for accessing type information at runtime
Chris@16: // ***************************************************************************
Chris@16: 
Chris@16: #ifndef BOOST_TEST_RTTI_HPP_062604GER
Chris@16: #define BOOST_TEST_RTTI_HPP_062604GER
Chris@16: 
Chris@16: #include <cstddef>
Chris@16: 
Chris@16: namespace boost {
Chris@16: 
Chris@16: namespace rtti {
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************                   rtti::type_id              ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: typedef std::ptrdiff_t id_t;
Chris@16: 
Chris@16: namespace rtti_detail {
Chris@16: 
Chris@16: template<typename T>
Chris@16: struct rttid_holder {
Chris@16:     static id_t id() { return reinterpret_cast<id_t>( &inst() ); }
Chris@16: 
Chris@16: private:
Chris@16:     struct rttid {};
Chris@16: 
Chris@16:     static rttid const& inst() { static rttid s_inst;  return s_inst; }
Chris@16: };
Chris@16: 
Chris@16: } // namespace rtti_detail
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename T>   
Chris@16: inline id_t
Chris@16: type_id()
Chris@16: {
Chris@16:     return rtti_detail::rttid_holder<T>::id();
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: #define BOOST_RTTI_SWITCH( type_id_ ) if( ::boost::rtti::id_t switch_by_id = type_id_ )
Chris@16: #define BOOST_RTTI_CASE( type )       if( switch_by_id == ::boost::rtti::type_id<type>() )
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: } // namespace rtti
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #endif // BOOST_RT_RTTI_HPP_062604GER