| // Exception Handling support header for -*- C++ -*- |
| |
| // Copyright (C) 2016-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of GCC. |
| // |
| // GCC is free software; you can redistribute it and/or modify |
| // it under the terms of the GNU General Public License as published by |
| // the Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| // |
| // GCC is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| // |
| // Under Section 7 of GPL version 3, you are granted additional |
| // permissions described in the GCC Runtime Library Exception, version |
| // 3.1, as published by the Free Software Foundation. |
| |
| // You should have received a copy of the GNU General Public License and |
| // a copy of the GCC Runtime Library Exception along with this program; |
| // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| // <http://www.gnu.org/licenses/>. |
| |
| /** @file bits/exception.h |
| * This is an internal header file, included by other library headers. |
| * Do not attempt to use it directly. |
| */ |
| |
| #ifndef __EXCEPTION_H |
| #define __EXCEPTION_H 1 |
| |
| #pragma GCC system_header |
| |
| #pragma GCC visibility push(default) |
| |
| #include <bits/c++config.h> |
| |
| extern "C++" { |
| |
| namespace std |
| { |
| /** |
| * @defgroup exceptions Exceptions |
| * @ingroup diagnostics |
| * @since C++98 |
| * |
| * Classes and functions for reporting errors via exceptions. |
| * @{ |
| */ |
| |
| /** |
| * @brief Base class for all library exceptions. |
| * |
| * This is the base class for all exceptions thrown by the standard |
| * library, and by certain language expressions. You are free to derive |
| * your own %exception classes, or use a different hierarchy, or to |
| * throw non-class data (e.g., fundamental types). |
| */ |
| class exception |
| { |
| public: |
| exception() _GLIBCXX_NOTHROW { } |
| virtual ~exception() _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_NOTHROW; |
| #if __cplusplus >= 201103L |
| exception(const exception&) = default; |
| exception& operator=(const exception&) = default; |
| exception(exception&&) = default; |
| exception& operator=(exception&&) = default; |
| #endif |
| |
| /** Returns a C-style character string describing the general cause |
| * of the current error. */ |
| virtual const char* |
| what() const _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_NOTHROW; |
| }; |
| |
| /// @} |
| |
| } // namespace std |
| |
| } |
| |
| #pragma GCC visibility pop |
| |
| #endif |