123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263 |
- // (C) Copyright Gennadiy Rozental 2001.
- // 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 : $Revision$
- //
- // Description : simple facilities for accessing type information at runtime
- // ***************************************************************************
- #ifndef BOOST_TEST_UTILS_RTTI_HPP
- #define BOOST_TEST_UTILS_RTTI_HPP
- // C Runtime
- #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_TEST_UTILS_RTTI_HPP
|