Program Listing for File demangle.hpp
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// Copyright 2015 Open Source Robotics Foundation, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef RMW__IMPL__CPP__DEMANGLE_HPP_
#define RMW__IMPL__CPP__DEMANGLE_HPP_
#ifndef _WIN32
// Includes for abi::__cxa_demangle.
#include <cxxabi.h>
#include <cstdlib>
#include <memory>
#endif
#include <iostream>
#include <string>
#include "rmw/impl/config.h"
namespace rmw
{
namespace impl
{
namespace cpp
{
template<typename T>
std::string
demangle(const T & instance)
{
(void)instance;
// Cannot do demangling if on Windows or if we want to avoid memory allocation.
#if !defined(_WIN32) || RMW_AVOID_MEMORY_ALLOCATION
int status = 0;
std::string mangled_typeid_name = typeid(T).name();
std::unique_ptr<char, void (*)(void *)> res {
abi::__cxa_demangle(mangled_typeid_name.c_str(), NULL, NULL, &status),
std::free
};
return (status == 0) ? res.get() : mangled_typeid_name;
#else
return typeid(T).name();
#endif
}
} // namespace cpp
} // namespace impl
} // namespace rmw
#endif // RMW__IMPL__CPP__DEMANGLE_HPP_