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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7593 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
// (C) Copyright Gennadiy Rozental 2001.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/libs/test for the library home page.
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//
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// File : $RCSfile$
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//
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// Version : $Revision$
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//
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// Description : simple facilities for accessing type information at runtime
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// ***************************************************************************
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#ifndef BOOST_TEST_UTILS_RTTI_HPP
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#define BOOST_TEST_UTILS_RTTI_HPP
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// C Runtime
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#include <cstddef>
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namespace boost {
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namespace rtti {
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// ************************************************************************** //
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// ************** rtti::type_id ************** //
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// ************************************************************************** //
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typedef std::ptrdiff_t id_t;
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namespace rtti_detail {
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template<typename T>
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struct rttid_holder {
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static id_t id() { return reinterpret_cast<id_t>( &inst() ); }
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private:
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struct rttid {};
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static rttid const& inst() { static rttid s_inst; return s_inst; }
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};
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} // namespace rtti_detail
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//____________________________________________________________________________//
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template<typename T>
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inline id_t
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type_id()
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{
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return rtti_detail::rttid_holder<T>::id();
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}
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//____________________________________________________________________________//
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#define BOOST_RTTI_SWITCH( type_id_ ) if( ::boost::rtti::id_t switch_by_id = type_id_ )
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#define BOOST_RTTI_CASE( type ) if( switch_by_id == ::boost::rtti::type_id<type>() )
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//____________________________________________________________________________//
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} // namespace rtti
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} // namespace boost
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#endif // BOOST_TEST_UTILS_RTTI_HPP
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