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5b71408b89
Summary: Dynamic exception specifications are removed in C++17. Reviewed By: mhorowitz Differential Revision: D13078933 fbshipit-source-id: b1a1d7aed3f634c6bc699ab05a8c218bdddf5993
49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
// Copyright (c) Facebook, Inc. and its affiliates.
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// This source code is licensed under the MIT license found in the
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// LICENSE file in the root directory of this source tree.
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#pragma once
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#include <exception>
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#include <functional>
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#include <string>
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namespace facebook {
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namespace react {
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/**
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* RecoverableError
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*
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* An exception that it is expected we should be able to recover from.
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*/
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struct RecoverableError : public std::exception {
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explicit RecoverableError(const std::string &what_)
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: m_what { "facebook::react::Recoverable: " + what_ }
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{}
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virtual const char* what() const noexcept override { return m_what.c_str(); }
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/**
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* runRethrowingAsRecoverable
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*
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* Helper function that converts any exception of type `E`, thrown within the
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* `act` routine into a recoverable error with the same message.
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*/
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template <typename E>
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inline static void runRethrowingAsRecoverable(std::function<void()> act) {
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try {
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act();
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} catch(const E &err) {
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throw RecoverableError(err.what());
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}
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}
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private:
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std::string m_what;
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};
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} // namespace react
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} // namespace facebook
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