projects / ceph.git / blame
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|---|---|---|
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1 | // (C) Copyright Gennadiy Rozental 2001. |
| 2 | // Distributed under the Boost Software License, Version 1.0. | |
| 3 | // (See accompanying file LICENSE_1_0.txt or copy at | |
| 4 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 5 | ||
| 6 | // See http://www.boost.org/libs/test for the library home page. | |
| 7 | // | |
| 8 | // File : $RCSfile$ | |
| 9 | // | |
| 10 | // Version : $Revision$ | |
| 11 | // | |
| 12 | // Description : simple facilities for accessing type information at runtime | |
| 13 | // *************************************************************************** | |
| 14 | ||
| 15 | #ifndef BOOST_TEST_UTILS_RTTI_HPP | |
| 16 | #define BOOST_TEST_UTILS_RTTI_HPP | |
| 17 | ||
| 18 | // C Runtime | |
| 19 | #include <cstddef> | |
| 92f5a8d4 | 20 | #include <boost/test/detail/config.hpp> |
| 7c673cae FG |
21 | |
| 22 | namespace boost { | |
| 23 | namespace rtti { | |
| 24 | ||
| 25 | // ************************************************************************** // | |
| 26 | // ************** rtti::type_id ************** // | |
| 27 | // ************************************************************************** // | |
| 28 | ||
| 29 | typedef std::ptrdiff_t id_t; | |
| 30 | ||
| 31 | namespace rtti_detail { | |
| 32 | ||
| 33 | template<typename T> | |
| 92f5a8d4 | 34 | struct BOOST_TEST_DECL rttid_holder { |
| 7c673cae FG |
35 | static id_t id() { return reinterpret_cast<id_t>( &inst() ); } |
| 36 | ||
| 37 | private: | |
| 38 | struct rttid {}; | |
| 39 | ||
| 40 | static rttid const& inst() { static rttid s_inst; return s_inst; } | |
| 41 | }; | |
| 42 | ||
| 43 | } // namespace rtti_detail | |
| 44 | ||
| 45 | //____________________________________________________________________________// | |
| 46 | ||
| 47 | template<typename T> | |
| 92f5a8d4 | 48 | BOOST_TEST_DECL inline id_t |
| 7c673cae FG |
49 | type_id() |
| 50 | { | |
| 51 | return rtti_detail::rttid_holder<T>::id(); | |
| 52 | } | |
| 53 | ||
| 54 | //____________________________________________________________________________// | |
| 55 | ||
| 56 | #define BOOST_RTTI_SWITCH( type_id_ ) if( ::boost::rtti::id_t switch_by_id = type_id_ ) | |
| 57 | #define BOOST_RTTI_CASE( type ) if( switch_by_id == ::boost::rtti::type_id<type>() ) | |
| 58 | ||
| 59 | //____________________________________________________________________________// | |
| 60 | ||
| 61 | } // namespace rtti | |
| 62 | } // namespace boost | |
| 63 | ||
| 64 | #endif // BOOST_TEST_UTILS_RTTI_HPP |