#ifndef BOOST_LEAF_DETAIL_DEMANGLE_HPP_INCLUDED
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#define BOOST_LEAF_DETAIL_DEMANGLE_HPP_INCLUDED
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// Copyright (c) 2018-2020 Emil Dotchevski and Reverge Studios, Inc.
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// core::demangle
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//
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// Copyright 2014 Peter Dimov
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// Copyright 2014 Andrey Semashev
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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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#ifndef BOOST_LEAF_ENABLE_WARNINGS
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# if defined(__clang__)
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# pragma clang system_header
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# elif (__GNUC__*100+__GNUC_MINOR__>301)
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# pragma GCC system_header
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# elif defined(_MSC_VER)
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# pragma warning(push,1)
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# endif
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#endif
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#if !defined(_MSC_VER)
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# if defined(__has_include) && __has_include(<cxxabi.h>)
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# define BOOST_LEAF_HAS_CXXABI_H
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# endif
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#endif
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#if defined( BOOST_LEAF_HAS_CXXABI_H )
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# include <cxxabi.h>
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// For some architectures (mips, mips64, x86, x86_64) cxxabi.h in Android NDK is implemented by gabi++ library
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// (https://android.googlesource.com/platform/ndk/+/master/sources/cxx-stl/gabi++/), which does not implement
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// abi::__cxa_demangle(). We detect this implementation by checking the include guard here.
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# if defined( __GABIXX_CXXABI_H__ )
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# undef BOOST_LEAF_HAS_CXXABI_H
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# else
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# include <cstddef>
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# endif
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#endif
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namespace boost { namespace leaf {
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namespace leaf_detail
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{
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inline char const * demangle_alloc( char const * name ) noexcept;
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inline void demangle_free( char const * name ) noexcept;
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class scoped_demangled_name
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{
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private:
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char const * m_p;
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public:
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explicit scoped_demangled_name( char const * name ) noexcept :
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m_p( demangle_alloc( name ) )
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{
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}
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~scoped_demangled_name() noexcept
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{
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demangle_free( m_p );
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}
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char const * get() const noexcept
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{
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return m_p;
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}
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scoped_demangled_name( scoped_demangled_name const& ) = delete;
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scoped_demangled_name& operator= ( scoped_demangled_name const& ) = delete;
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};
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#if defined( BOOST_LEAF_HAS_CXXABI_H )
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inline char const * demangle_alloc( char const * name ) noexcept
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{
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int status = 0;
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std::size_t size = 0;
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return abi::__cxa_demangle( name, NULL, &size, &status );
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}
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inline void demangle_free( char const * name ) noexcept
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{
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std::free( const_cast< char* >( name ) );
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}
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inline char const * demangle( char const * name )
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{
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scoped_demangled_name demangled_name( name );
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char const * p = demangled_name.get();
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if( !p )
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p = name;
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return p;
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}
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#else
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inline char const * demangle_alloc( char const * name ) noexcept
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{
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return name;
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}
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inline void demangle_free( char const * ) noexcept
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{
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}
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inline char const * demangle( char const * name )
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{
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return name;
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}
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#endif
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}
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} }
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#ifdef BOOST_LEAF_HAS_CXXABI_H
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# undef BOOST_LEAF_HAS_CXXABI_H
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#endif
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#endif
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