65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
// (C) Copyright Gennadiy Rozental 2005-2008.
|
|
// 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)
|
|
|
|
// See http://www.boost.org/libs/test for the library home page.
|
|
//
|
|
// File : $RCSfile$
|
|
//
|
|
// Version : $Revision: 49312 $
|
|
//
|
|
// Description : simple facilities for accessing type information at runtime
|
|
// ***************************************************************************
|
|
|
|
#ifndef BOOST_TEST_RTTI_HPP_062604GER
|
|
#define BOOST_TEST_RTTI_HPP_062604GER
|
|
|
|
#include <cstddef>
|
|
|
|
namespace boost {
|
|
|
|
namespace rtti {
|
|
|
|
// ************************************************************************** //
|
|
// ************** rtti::type_id ************** //
|
|
// ************************************************************************** //
|
|
|
|
typedef std::ptrdiff_t id_t;
|
|
|
|
namespace rtti_detail {
|
|
|
|
template<typename T>
|
|
struct rttid_holder {
|
|
static id_t id() { return reinterpret_cast<id_t>( &inst() ); }
|
|
|
|
private:
|
|
struct rttid {};
|
|
|
|
static rttid const& inst() { static rttid s_inst; return s_inst; }
|
|
};
|
|
|
|
} // namespace rtti_detail
|
|
|
|
//____________________________________________________________________________//
|
|
|
|
template<typename T>
|
|
inline id_t
|
|
type_id()
|
|
{
|
|
return rtti_detail::rttid_holder<T>::id();
|
|
}
|
|
|
|
//____________________________________________________________________________//
|
|
|
|
#define BOOST_RTTI_SWITCH( type_id_ ) if( ::boost::rtti::id_t switch_by_id = type_id_ )
|
|
#define BOOST_RTTI_CASE( type ) if( switch_by_id == ::boost::rtti::type_id<type>() )
|
|
|
|
//____________________________________________________________________________//
|
|
|
|
} // namespace rtti
|
|
|
|
} // namespace boost
|
|
|
|
#endif // BOOST_RT_RTTI_HPP_062604GER
|