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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 0 : 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
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