sol2/sol/demangle.hpp

// The MIT License (MIT)

// Copyright (c) 2013 Danny Y., Rapptz

// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:

// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

#ifndef SOL_DEMANGLE_HPP
#define SOL_DEMANGLE_HPP

#include <string>

#ifdef _MSC_VER
/*#include <windows.h>
#include <DbgHelp.h>
*/
namespace sol {
namespace detail {


    std::string demangle(const std::type_info& id) {
        /*std::string realname(2048, '\0');
        DWORD result = UnDecorateSymbolName(id.raw_name(), &realname[0],
            static_cast<DWORD>(realname.size()), UNDNAME_NAME_ONLY | UNDNAME_32_BIT_DECODE);
        if (result == 0)
            return "";
        realname.resize(result);
        */
        const static std::string removals[ 2 ] = {
            "struct ",
            "class "
        };
        std::string realname = id.name();
        for (std::size_t r = 0; r < 2; ++r) {
            auto found = realname.find(removals[ r ]);
            if (found == std::string::npos)
                continue;
            realname.erase(found, removals[r].size());
        }
        return realname;
    }

#elif __GNUC__ || __clang__
#include <cxxabi.h>

namespace sol {
namespace detail {

    std::string demangle(const std::type_info& id) {
        int status;
        char* unmangled = abi::__cxa_demangle(id.name(), 0, 0, &status);
        std::string realname = unmangled;
        free(unmangled);
        return realname;
    }

#else
namespace sol {
namespace detail {

#error Implement demangling for this platform
#endif // VC++ || GCC || Others

} // detail
} // sol

#endif // SOL_DEMANGLE_HPP