// Copyright 2023 PingCAP, 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.

#include <common/demangle.h>

#if defined(_MSC_VER)

DemangleResult tryDemangle(const char *)
{
    return DemangleResult{};
}

std::string demangle(const char * name, int & status)
{
    status = 0;
    return name;
}

#else

#include <cxxabi.h>
#include <stdlib.h>

static DemangleResult tryDemangle(const char * name, int & status)
{
    return DemangleResult(abi::__cxa_demangle(name, nullptr, nullptr, &status));
}

DemangleResult tryDemangle(const char * name)
{
    int status = 0;
    return tryDemangle(name, status);
}

std::string demangle(const char * name, int & status)
{
    auto result = tryDemangle(name, status);
    if (result)
    {
        return std::string(result.get());
    }

    return name;
}


#endif