Wrapper for c++ demangling

demangle.cpp

#include <cxxabi.h>

#include <typeinfo>
#include <string>
#include <stdexcept>

std::string demangle(const std::type_info& info)
{
    int status;
    char *result = abi::__cxa_demangle(info.name(), nullptr, 0, &status);
    switch(status)
    {
    case 0:
        break;
    case -1:
        throw std::bad_alloc();
    case -2:
        throw std::invalid_argument("bad name argument");
    case -3:
        throw std::invalid_argument("bad other argument?");
    default:
        abort();
    }
    try
    {
        std::string out = result;
        free(result);
        return std::move(out);
    }
    catch(...)
    {
        free(result);
        throw;
    }
}