| #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 |
| |
| // __has_include is currently supported by GCC and Clang. However GCC 4.9 may have issues and |
| // returns 1 for 'defined( __has_include )', while '__has_include' is actually not supported: |
| // https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63662 |
| #if defined( __has_include ) && (!defined( BOOST_GCC ) || (__GNUC__ + 0) >= 5) |
| # 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> |
| // For some archtectures (mips, mips64, x86, x86_64) cxxabi.h in Android NDK is implemented by gabi++ library |
| // (https://android.googlesource.com/platform/ndk/+/master/sources/cxx-stl/gabi++/), which does not implement |
| // abi::__cxa_demangle(). We detect this implementation by checking the include guard here. |
| # if defined( __GABIXX_CXXABI_H__ ) |
| # undef BOOST_CORE_HAS_CXXABI_H |
| # else |
| # include <cstdlib> |
| # include <cstddef> |
| # endif |
| #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 * p = demangled_name.get(); |
| if( !p ) |
| p = name; |
| return p; |
| } |
| |
| #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 |