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/**
* Copyright © 2020 IBM Corporation
*
* 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 "exception_utils.hpp"
namespace phosphor::power::regulators::exception_utils
{
std::vector<std::exception_ptr> getExceptions(std::exception_ptr eptr)
{
std::vector<std::exception_ptr> exceptions;
internal::getExceptions(eptr, exceptions);
return exceptions;
}
std::vector<std::string> getMessages(const std::exception& e)
{
std::vector<std::string> messages{};
internal::getMessages(e, messages);
return messages;
}
namespace internal
{
void getExceptions(std::exception_ptr eptr,
std::vector<std::exception_ptr>& exceptions)
{
// Verify exception pointer is not null
if (eptr)
{
// If this exception is nested, add inner exception(s) to vector
try
{
std::rethrow_exception(eptr);
}
catch (const std::nested_exception& e)
{
getExceptions(e.nested_ptr(), exceptions);
}
catch (...)
{}
// Append this exception to vector
exceptions.emplace_back(eptr);
}
}
void getMessages(const std::exception& e, std::vector<std::string>& messages)
{
// If this exception is nested, get messages from inner exception(s)
try
{
std::rethrow_if_nested(e);
}
catch (const std::exception& inner)
{
getMessages(inner, messages);
}
catch (...)
{}
// Append error message from this exception
messages.emplace_back(e.what());
}
} // namespace internal
} // namespace phosphor::power::regulators::exception_utils