Sandbox::https://www.github.com/neunapes/folly/blob/main/folly/ExceptionString.cpp

Repository navigation

* Copyright (c) Meta Platforms, Inc. and affiliates.

* 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 <folly/ExceptionString.h>

#include <utility>

#include <folly/Demangle.h>

#include <folly/lang/Exception.h>

#include <folly/lang/TypeInfo.h>

namespace folly {

namespace {

fbstring exception_string_type(std::type_info const* ti) {

return ti ? demangle(*ti) : "<unknown exception>";

}

} // namespace

/**

* Debug string for an exception: include type and what(), if

* defined.

fbstring exceptionStr(std::exception const& e) {

auto prefix = exception_string_type(folly::type_info_of(e));

return std::move(prefix) + ": " + e.what();

}

fbstring exceptionStr(std::exception_ptr const& ep) {

if (auto ex = exception_ptr_get_object<std::exception>(ep)) {

return exceptionStr(*ex);

}

return exception_string_type(exception_ptr_get_type(ep));

}

} // namespace folly