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168 lines
3.1 KiB
168 lines
3.1 KiB
#ifndef BOOST_CORE_TYPEINFO_HPP_INCLUDED
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#define BOOST_CORE_TYPEINFO_HPP_INCLUDED
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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# pragma once
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#endif
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// core::typeinfo, BOOST_CORE_TYPEID
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//
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// Copyright 2007, 2014 Peter Dimov
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//
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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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#include <boost/config.hpp>
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#if defined( BOOST_NO_TYPEID )
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#include <boost/current_function.hpp>
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#include <functional>
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#include <cstring>
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namespace boost
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{
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namespace core
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{
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class typeinfo
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{
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private:
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typeinfo( typeinfo const& );
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typeinfo& operator=( typeinfo const& );
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char const * name_;
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void (*lib_id_)();
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public:
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typeinfo( char const * name, void (*lib_id)() ): name_( name ), lib_id_( lib_id )
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{
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}
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bool operator==( typeinfo const& rhs ) const
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{
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#if ( defined(_WIN32) || defined(__CYGWIN__) ) && ( defined(__GNUC__) || defined(__clang__) ) && !defined(BOOST_DISABLE_CURRENT_FUNCTION)
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return lib_id_ == rhs.lib_id_? this == &rhs: std::strcmp( name_, rhs.name_ ) == 0;
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#else
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return this == &rhs;
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#endif
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}
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bool operator!=( typeinfo const& rhs ) const
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{
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return !( *this == rhs );
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}
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bool before( typeinfo const& rhs ) const
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{
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#if ( defined(_WIN32) || defined(__CYGWIN__) ) && ( defined(__GNUC__) || defined(__clang__) ) && !defined(BOOST_DISABLE_CURRENT_FUNCTION)
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return lib_id_ == rhs.lib_id_? std::less< typeinfo const* >()( this, &rhs ): std::strcmp( name_, rhs.name_ ) < 0;
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#else
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return std::less< typeinfo const* >()( this, &rhs );
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#endif
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}
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char const* name() const
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{
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return name_;
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}
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};
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inline char const * demangled_name( core::typeinfo const & ti )
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{
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return ti.name();
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}
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} // namespace core
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namespace detail
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{
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template<class T> struct BOOST_SYMBOL_VISIBLE core_typeid_
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{
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static boost::core::typeinfo ti_;
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static char const * name()
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{
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return BOOST_CURRENT_FUNCTION;
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}
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};
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BOOST_SYMBOL_VISIBLE inline void core_typeid_lib_id()
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{
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}
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template<class T> boost::core::typeinfo core_typeid_< T >::ti_( core_typeid_< T >::name(), &core_typeid_lib_id );
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template<class T> struct core_typeid_< T & >: core_typeid_< T >
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{
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};
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template<class T> struct core_typeid_< T const >: core_typeid_< T >
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{
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};
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template<class T> struct core_typeid_< T volatile >: core_typeid_< T >
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{
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};
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template<class T> struct core_typeid_< T const volatile >: core_typeid_< T >
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{
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};
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} // namespace detail
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} // namespace boost
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#define BOOST_CORE_TYPEID(T) (boost::detail::core_typeid_<T>::ti_)
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#else
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#include <boost/core/demangle.hpp>
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#include <typeinfo>
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namespace boost
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{
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namespace core
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{
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#if defined( BOOST_NO_STD_TYPEINFO )
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typedef ::type_info typeinfo;
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#else
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typedef std::type_info typeinfo;
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#endif
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inline std::string demangled_name( core::typeinfo const & ti )
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{
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return core::demangle( ti.name() );
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}
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} // namespace core
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} // namespace boost
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#define BOOST_CORE_TYPEID(T) typeid(T)
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#endif
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#endif // #ifndef BOOST_CORE_TYPEINFO_HPP_INCLUDED
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