react-native/ReactCommon/cxxreact/RecoverableError.h

49 lines
1.1 KiB
C++

// Copyright (c) 2004-present, Facebook, Inc.
// 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 throw() 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