2 * Copyright 2017 Facebook, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 #include <folly/ExceptionWrapper.h>
23 [[noreturn]] void exception_wrapper::throwException() const {
27 std::rethrow_exception(eptr_);
30 << "Cannot use `throwException` with an empty folly::exception_wrapper"
35 fbstring exception_wrapper::class_name() const {
38 return demangle(typeid(i));
39 } else if (eptr_ && eobj_) {
40 return demangle(typeid(*eobj_));
41 } else if (eptr_ && etype_) {
42 return demangle(*etype_);
48 fbstring exception_wrapper::what() const {
50 return exceptionStr(*item_);
51 } else if (eptr_ && eobj_) {
52 return class_name() + ": " + eobj_->what();
53 } else if (eptr_ && etype_) {
60 fbstring exceptionStr(const exception_wrapper& ew) {