Chris@102: #ifndef BOOST_CORE_DEMANGLE_HPP_INCLUDED
Chris@102: #define BOOST_CORE_DEMANGLE_HPP_INCLUDED
Chris@102: 
Chris@102: // core::demangle
Chris@102: //
Chris@102: // Copyright 2014 Peter Dimov
Chris@102: // Copyright 2014 Andrey Semashev
Chris@102: //
Chris@102: // Distributed under the Boost Software License, Version 1.0.
Chris@102: // See accompanying file LICENSE_1_0.txt or copy at
Chris@102: // http://www.boost.org/LICENSE_1_0.txt
Chris@102: 
Chris@102: #include <boost/config.hpp>
Chris@102: #include <string>
Chris@102: 
Chris@102: #if defined(BOOST_HAS_PRAGMA_ONCE)
Chris@102: # pragma once
Chris@102: #endif
Chris@102: 
Chris@102: #if defined( __clang__ ) && defined( __has_include )
Chris@102: # if __has_include(<cxxabi.h>)
Chris@102: #  define BOOST_CORE_HAS_CXXABI_H
Chris@102: # endif
Chris@102: #elif defined( __GLIBCXX__ ) || defined( __GLIBCPP__ )
Chris@102: # define BOOST_CORE_HAS_CXXABI_H
Chris@102: #endif
Chris@102: 
Chris@102: #if defined( BOOST_CORE_HAS_CXXABI_H )
Chris@102: # include <cxxabi.h>
Chris@102: # include <cstdlib>
Chris@102: # include <cstddef>
Chris@102: #endif
Chris@102: 
Chris@102: namespace boost
Chris@102: {
Chris@102: 
Chris@102: namespace core
Chris@102: {
Chris@102: 
Chris@102: inline char const * demangle_alloc( char const * name ) BOOST_NOEXCEPT;
Chris@102: inline void demangle_free( char const * name ) BOOST_NOEXCEPT;
Chris@102: 
Chris@102: class scoped_demangled_name
Chris@102: {
Chris@102: private:
Chris@102:     char const * m_p;
Chris@102: 
Chris@102: public:
Chris@102:     explicit scoped_demangled_name( char const * name ) BOOST_NOEXCEPT :
Chris@102:         m_p( demangle_alloc( name ) )
Chris@102:     {
Chris@102:     }
Chris@102: 
Chris@102:     ~scoped_demangled_name() BOOST_NOEXCEPT
Chris@102:     {
Chris@102:         demangle_free( m_p );
Chris@102:     }
Chris@102: 
Chris@102:     char const * get() const BOOST_NOEXCEPT
Chris@102:     {
Chris@102:         return m_p;
Chris@102:     }
Chris@102: 
Chris@102:     BOOST_DELETED_FUNCTION(scoped_demangled_name( scoped_demangled_name const& ))
Chris@102:     BOOST_DELETED_FUNCTION(scoped_demangled_name& operator= ( scoped_demangled_name const& ))
Chris@102: };
Chris@102: 
Chris@102: 
Chris@102: #if defined( BOOST_CORE_HAS_CXXABI_H )
Chris@102: 
Chris@102: inline char const * demangle_alloc( char const * name ) BOOST_NOEXCEPT
Chris@102: {
Chris@102:     int status = 0;
Chris@102:     std::size_t size = 0;
Chris@102:     return abi::__cxa_demangle( name, NULL, &size, &status );
Chris@102: }
Chris@102: 
Chris@102: inline void demangle_free( char const * name ) BOOST_NOEXCEPT
Chris@102: {
Chris@102:     std::free( const_cast< char* >( name ) );
Chris@102: }
Chris@102: 
Chris@102: inline std::string demangle( char const * name )
Chris@102: {
Chris@102:     scoped_demangled_name demangled_name( name );
Chris@102:     char const * const p = demangled_name.get();
Chris@102:     if( p )
Chris@102:     {
Chris@102:         return p;
Chris@102:     }
Chris@102:     else
Chris@102:     {
Chris@102:         return name;
Chris@102:     }
Chris@102: }
Chris@102: 
Chris@102: #else
Chris@102: 
Chris@102: inline char const * demangle_alloc( char const * name ) BOOST_NOEXCEPT
Chris@102: {
Chris@102:     return name;
Chris@102: }
Chris@102: 
Chris@102: inline void demangle_free( char const * ) BOOST_NOEXCEPT
Chris@102: {
Chris@102: }
Chris@102: 
Chris@102: inline std::string demangle( char const * name )
Chris@102: {
Chris@102:     return name;
Chris@102: }
Chris@102: 
Chris@102: #endif
Chris@102: 
Chris@102: } // namespace core
Chris@102: 
Chris@102: } // namespace boost
Chris@102: 
Chris@102: #undef BOOST_CORE_HAS_CXXABI_H
Chris@102: 
Chris@102: #endif // #ifndef BOOST_CORE_DEMANGLE_HPP_INCLUDED