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// Copyright 2015 Klemens Morgenstern
//
// This file provides a demangling for function names, i.e. entry points of a dll.
//
// Distributed under the Boost Software License, Version 1.0.
// See http://www.boost.org/LICENSE_1_0.txt
#ifndef BOOST_DLL_DEMANGLE_SYMBOL_HPP_
#define BOOST_DLL_DEMANGLE_SYMBOL_HPP_
#include <boost/dll/config.hpp>
#include <string>
#include <algorithm>
#include <memory>
#if defined(_MSC_VER) // MSVC, Clang-cl, and ICC on Windows
namespace boost
{
namespace dll
{
namespace detail
{
typedef void * (__cdecl * allocation_function)(std::size_t);
typedef void (__cdecl * free_function)(void *);
extern "C" char* __unDName( char* outputString,
const char* name,
int maxStringLength, // Note, COMMA is leading following optional arguments
allocation_function pAlloc,
free_function pFree,
unsigned short disableFlags
);
inline std::string demangle_symbol(const char *mangled_name)
{
allocation_function alloc = [](std::size_t size){return static_cast<void*>(new char[size]);};
free_function free_f = [](void* p){delete [] static_cast<char*>(p);};
std::unique_ptr<char> name { __unDName(
nullptr,
mangled_name,
0,
alloc,
free_f,
static_cast<unsigned short>(0))};
return std::string(name.get());
}
inline std::string demangle_symbol(const std::string& mangled_name)
{
return demangle_symbol(mangled_name.c_str());
}
}}}
#else
#include <boost/core/demangle.hpp>
namespace boost
{
namespace dll
{
namespace detail
{
inline std::string demangle_symbol(const char *mangled_name)
{
if (*mangled_name == '_')
{
//because it start's with an underline _
auto dm = boost::core::demangle(mangled_name);
if (!dm.empty())
return dm;
else
return (mangled_name);
}
//could not demangled
return "";
}
//for my personal convenience
inline std::string demangle_symbol(const std::string& mangled_name)
{
return demangle_symbol(mangled_name.c_str());
}
}
namespace experimental
{
using ::boost::dll::detail::demangle_symbol;
}
}}
#endif
#endif /* BOOST_DEMANGLE_HPP_ */
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