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// Exception Handling support header for -*- C++ -*- |
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// Copyright (C) 2016-2021 Free Software Foundation, Inc. |
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// |
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// This file is part of GCC. |
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// |
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// GCC is free software; you can redistribute it and/or modify |
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// it under the terms of the GNU General Public License as published by |
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// the Free Software Foundation; either version 3, or (at your option) |
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// any later version. |
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// |
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// GCC is distributed in the hope that it will be useful, |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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// GNU General Public License for more details. |
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// |
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// Under Section 7 of GPL version 3, you are granted additional |
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// permissions described in the GCC Runtime Library Exception, version |
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// 3.1, as published by the Free Software Foundation. |
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|
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// You should have received a copy of the GNU General Public License and |
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// a copy of the GCC Runtime Library Exception along with this program; |
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
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// <http://www.gnu.org/licenses/>. |
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|
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/** @file bits/exception.h |
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* This is an internal header file, included by other library headers. |
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* Do not attempt to use it directly. |
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*/ |
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#ifndef __EXCEPTION_H |
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#define __EXCEPTION_H 1 |
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#pragma GCC system_header |
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#pragma GCC visibility push(default) |
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#include <bits/c++config.h> |
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extern "C++" { |
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namespace std |
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{ |
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/** |
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* @defgroup exceptions Exceptions |
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* @ingroup diagnostics |
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* |
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* Classes and functions for reporting errors via exceptions. |
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* @{ |
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*/ |
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|
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/** |
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* @brief Base class for all library exceptions. |
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* |
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* This is the base class for all exceptions thrown by the standard |
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* library, and by certain language expressions. You are free to derive |
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* your own %exception classes, or use a different hierarchy, or to |
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* throw non-class data (e.g., fundamental types). |
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*/ |
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class exception |
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{ |
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public: |
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exception() _GLIBCXX_NOTHROW { } |
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virtual ~exception() _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_NOTHROW; |
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#if __cplusplus >= 201103L |
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exception(const exception&) = default; |
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exception& operator=(const exception&) = default; |
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exception(exception&&) = default; |
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exception& operator=(exception&&) = default; |
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#endif |
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/** Returns a C-style character string describing the general cause |
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* of the current error. */ |
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virtual const char* |
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what() const _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_NOTHROW; |
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}; |
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/// @} |
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} // namespace std |
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} |
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#pragma GCC visibility pop |
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#endif |
