85 lines
2.4 KiB
C++
85 lines
2.4 KiB
C++
// 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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// 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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/** @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 exception classes.
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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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} // namespace std
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}
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#pragma GCC visibility pop
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#endif
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