sl@0: //  (C) Copyright Gennadiy Rozental 2005.
sl@0: //  Distributed under the Boost Software License, Version 1.0.
sl@0: //  (See accompanying file LICENSE_1_0.txt or copy at 
sl@0: //  http://www.boost.org/LICENSE_1_0.txt)
sl@0: 
sl@0: //  See http://www.boost.org/libs/test for the library home page.
sl@0: //
sl@0: //  File        : $RCSfile: rtti.hpp,v $
sl@0: //
sl@0: //  Version     : $Revision: 1.2 $
sl@0: //
sl@0: //  Description : simple facilities for accessing type information at runtime
sl@0: // ***************************************************************************
sl@0: 
sl@0: #ifndef BOOST_TEST_RTTI_HPP_062604GER
sl@0: #define BOOST_TEST_RTTI_HPP_062604GER
sl@0: 
sl@0: #include <cstddef>
sl@0: 
sl@0: namespace boost {
sl@0: 
sl@0: namespace rtti {
sl@0: 
sl@0: // ************************************************************************** //
sl@0: // **************                   rtti::type_id              ************** //
sl@0: // ************************************************************************** //
sl@0: 
sl@0: typedef std::ptrdiff_t id_t;
sl@0: 
sl@0: namespace rtti_detail {
sl@0: 
sl@0: template<typename T>
sl@0: struct rttid_holder {
sl@0:     static id_t id() { return reinterpret_cast<id_t>( &inst() ); }
sl@0: 
sl@0: private:
sl@0:     struct rttid {};
sl@0: 
sl@0:     static rttid const& inst() { static rttid s_inst;  return s_inst; }
sl@0: };
sl@0: 
sl@0: } // namespace rtti_detail
sl@0: 
sl@0: //____________________________________________________________________________//
sl@0: 
sl@0: template<typename T>   
sl@0: inline id_t
sl@0: type_id()
sl@0: {
sl@0:     return rtti_detail::rttid_holder<T>::id();
sl@0: }
sl@0: 
sl@0: //____________________________________________________________________________//
sl@0: 
sl@0: #define BOOST_RTTI_SWITCH( type_id_ ) if( ::boost::rtti::id_t switch_by_id = type_id_ )
sl@0: #define BOOST_RTTI_CASE( type )       if( switch_by_id == ::boost::rtti::type_id<type>() )
sl@0: 
sl@0: //____________________________________________________________________________//
sl@0: 
sl@0: } // namespace rtti
sl@0: 
sl@0: } // namespace boost
sl@0: 
sl@0: // ************************************************************************** //
sl@0: //   Revision History:
sl@0: //
sl@0: //   $Log: rtti.hpp,v $
sl@0: //   Revision 1.2  2005/05/15 06:45:32  rogeeff
sl@0: //   *** empty log message ***
sl@0: //
sl@0: //   Revision 1.1  2005/04/12 06:48:12  rogeeff
sl@0: //   Runtime.Param library initial commit
sl@0: //
sl@0: // ************************************************************************** //
sl@0: 
sl@0: #endif // BOOST_RT_RTTI_HPP_062604GER