49 строки
1.1 KiB
C++
49 строки
1.1 KiB
C++
// Copyright (c) Facebook, Inc. and its affiliates.
|
|
|
|
// This source code is licensed under the MIT license found in the
|
|
// LICENSE file in the root directory of this source tree.
|
|
|
|
#pragma once
|
|
|
|
#include <exception>
|
|
#include <functional>
|
|
#include <string>
|
|
|
|
namespace facebook {
|
|
namespace react {
|
|
|
|
/**
|
|
* RecoverableError
|
|
*
|
|
* An exception that it is expected we should be able to recover from.
|
|
*/
|
|
struct RecoverableError : public std::exception {
|
|
|
|
explicit RecoverableError(const std::string &what_)
|
|
: m_what { "facebook::react::Recoverable: " + what_ }
|
|
{}
|
|
|
|
virtual const char* what() const noexcept override { return m_what.c_str(); }
|
|
|
|
/**
|
|
* runRethrowingAsRecoverable
|
|
*
|
|
* Helper function that converts any exception of type `E`, thrown within the
|
|
* `act` routine into a recoverable error with the same message.
|
|
*/
|
|
template <typename E>
|
|
inline static void runRethrowingAsRecoverable(std::function<void()> act) {
|
|
try {
|
|
act();
|
|
} catch(const E &err) {
|
|
throw RecoverableError(err.what());
|
|
}
|
|
}
|
|
|
|
private:
|
|
std::string m_what;
|
|
};
|
|
|
|
} // namespace react
|
|
} // namespace facebook
|