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