| 1 | // Exception Handling support header for -*- C++ -*- |
|---|---|
| 2 | |
| 3 | // Copyright (C) 2016-2017 Free Software Foundation, Inc. |
| 4 | // |
| 5 | // This file is part of GCC. |
| 6 | // |
| 7 | // GCC is free software; you can redistribute it and/or modify |
| 8 | // it under the terms of the GNU General Public License as published by |
| 9 | // the Free Software Foundation; either version 3, or (at your option) |
| 10 | // any later version. |
| 11 | // |
| 12 | // GCC is distributed in the hope that it will be useful, |
| 13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | // GNU General Public License for more details. |
| 16 | // |
| 17 | // Under Section 7 of GPL version 3, you are granted additional |
| 18 | // permissions described in the GCC Runtime Library Exception, version |
| 19 | // 3.1, as published by the Free Software Foundation. |
| 20 | |
| 21 | // You should have received a copy of the GNU General Public License and |
| 22 | // a copy of the GCC Runtime Library Exception along with this program; |
| 23 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| 24 | // <http://www.gnu.org/licenses/>. |
| 25 | |
| 26 | /** @file bits/exception.h |
| 27 | * This is an internal header file, included by other library headers. |
| 28 | * Do not attempt to use it directly. |
| 29 | */ |
| 30 | |
| 31 | #ifndef __EXCEPTION_H |
| 32 | #define __EXCEPTION_H 1 |
| 33 | |
| 34 | #pragma GCC system_header |
| 35 | |
| 36 | #pragma GCC visibility push(default) |
| 37 | |
| 38 | #include <bits/c++config.h> |
| 39 | |
| 40 | extern "C++" { |
| 41 | |
| 42 | namespace std |
| 43 | { |
| 44 | /** |
| 45 | * @defgroup exceptions Exceptions |
| 46 | * @ingroup diagnostics |
| 47 | * |
| 48 | * Classes and functions for reporting errors via exception classes. |
| 49 | * @{ |
| 50 | */ |
| 51 | |
| 52 | /** |
| 53 | * @brief Base class for all library exceptions. |
| 54 | * |
| 55 | * This is the base class for all exceptions thrown by the standard |
| 56 | * library, and by certain language expressions. You are free to derive |
| 57 | * your own %exception classes, or use a different hierarchy, or to |
| 58 | * throw non-class data (e.g., fundamental types). |
| 59 | */ |
| 60 | class exception |
| 61 | { |
| 62 | public: |
| 63 | exception() _GLIBCXX_USE_NOEXCEPT { } |
| 64 | virtual ~exception() _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_USE_NOEXCEPT; |
| 65 | |
| 66 | /** Returns a C-style character string describing the general cause |
| 67 | * of the current error. */ |
| 68 | virtual const char* |
| 69 | what() const _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_USE_NOEXCEPT; |
| 70 | }; |
| 71 | |
| 72 | } // namespace std |
| 73 | |
| 74 | } |
| 75 | |
| 76 | #pragma GCC visibility pop |
| 77 | |
| 78 | #endif |
| 79 |