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#ifndef BOOST_CORE_DEMANGLE_HPP_INCLUDED
#define BOOST_CORE_DEMANGLE_HPP_INCLUDED
// core::demangle
//
// Copyright 2014 Peter Dimov
// Copyright 2014 Andrey Semashev
//
// 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>
#include <string>
#if defined(BOOST_HAS_PRAGMA_ONCE)
# pragma once
#endif
#if defined( __clang__ ) && defined( __has_include )
# if __has_include(<cxxabi.h>)
# define BOOST_CORE_HAS_CXXABI_H
# endif
#elif defined( __GLIBCXX__ ) || defined( __GLIBCPP__ )
# define BOOST_CORE_HAS_CXXABI_H
#endif
#if defined( BOOST_CORE_HAS_CXXABI_H )
# include <cxxabi.h>
# include <cstdlib>
# include <cstddef>
#endif
namespace boost
{
namespace core
{
inline char const * demangle_alloc( char const * name ) BOOST_NOEXCEPT;
inline void demangle_free( char const * name ) BOOST_NOEXCEPT;
class scoped_demangled_name
{
private:
char const * m_p;
public:
explicit scoped_demangled_name( char const * name ) BOOST_NOEXCEPT :
m_p( demangle_alloc( name ) )
{
}
~scoped_demangled_name() BOOST_NOEXCEPT
{
demangle_free( m_p );
}
char const * get() const BOOST_NOEXCEPT
{
return m_p;
}
BOOST_DELETED_FUNCTION(scoped_demangled_name( scoped_demangled_name const& ))
BOOST_DELETED_FUNCTION(scoped_demangled_name& operator= ( scoped_demangled_name const& ))
};
#if defined( BOOST_CORE_HAS_CXXABI_H )
inline char const * demangle_alloc( char const * name ) BOOST_NOEXCEPT
{
int status = 0;
std::size_t size = 0;
return abi::__cxa_demangle( name, NULL, &size, &status );
}
inline void demangle_free( char const * name ) BOOST_NOEXCEPT
{
std::free( const_cast< char* >( name ) );
}
inline std::string demangle( char const * name )
{
scoped_demangled_name demangled_name( name );
char const * const p = demangled_name.get();
if( p )
{
return p;
}
else
{
return name;
}
}
#else
inline char const * demangle_alloc( char const * name ) BOOST_NOEXCEPT
{
return name;
}
inline void demangle_free( char const * ) BOOST_NOEXCEPT
{
}
inline std::string demangle( char const * name )
{
return name;
}
#endif
} // namespace core
} // namespace boost
#undef BOOST_CORE_HAS_CXXABI_H
#endif // #ifndef BOOST_CORE_DEMANGLE_HPP_INCLUDED
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