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27abac26 GN |
1 | // Exception Handling support header for -*- C++ -*- |
2 | ||
a5544970 | 3 | // Copyright (C) 2016-2019 Free Software Foundation, Inc. |
27abac26 GN |
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: | |
d04dbb8a JW |
63 | exception() _GLIBCXX_NOTHROW { } |
64 | virtual ~exception() _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_NOTHROW; | |
f07c2237 JM |
65 | #if __cplusplus >= 201103L |
66 | exception(const exception&) = default; | |
67 | exception& operator=(const exception&) = default; | |
d04dbb8a JW |
68 | exception(exception&&) = default; |
69 | exception& operator=(exception&&) = default; | |
f07c2237 | 70 | #endif |
27abac26 GN |
71 | |
72 | /** Returns a C-style character string describing the general cause | |
73 | * of the current error. */ | |
74 | virtual const char* | |
d04dbb8a | 75 | what() const _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_NOTHROW; |
27abac26 GN |
76 | }; |
77 | ||
78 | } // namespace std | |
79 | ||
80 | } | |
81 | ||
82 | #pragma GCC visibility pop | |
83 | ||
84 | #endif |