1 | // Standard exception classes -*- C++ -*- |
2 | |
3 | // Copyright (C) 2001-2014 Free Software Foundation, Inc. |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free |
6 | // software; you can redistribute it and/or modify it under the |
7 | // terms of the GNU General Public License as published by the |
8 | // Free Software Foundation; either version 3, or (at your option) |
9 | // any later version. |
10 | |
11 | // This library is distributed in the hope that it will be useful, |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | // GNU General Public License for more details. |
15 | |
16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version |
18 | // 3.1, as published by the Free Software Foundation. |
19 | |
20 | // You should have received a copy of the GNU General Public License and |
21 | // a copy of the GCC Runtime Library Exception along with this program; |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
23 | // <http://www.gnu.org/licenses/>. |
24 | |
25 | /** @file include/stdexcept |
26 | * This is a Standard C++ Library header. |
27 | */ |
28 | |
29 | // |
30 | // ISO C++ 19.1 Exception classes |
31 | // |
32 | |
33 | #ifndef _GLIBCXX_STDEXCEPT |
34 | #define _GLIBCXX_STDEXCEPT 1 |
35 | |
36 | #pragma GCC system_header |
37 | |
38 | #include <exception> |
39 | #include <string> |
40 | |
41 | namespace std _GLIBCXX_VISIBILITY(default) |
42 | { |
43 | _GLIBCXX_BEGIN_NAMESPACE_VERSION |
44 | |
45 | /** |
46 | * @addtogroup exceptions |
47 | * @{ |
48 | */ |
49 | |
50 | /** Logic errors represent problems in the internal logic of a program; |
51 | * in theory, these are preventable, and even detectable before the |
52 | * program runs (e.g., violations of class invariants). |
53 | * @brief One of two subclasses of exception. |
54 | */ |
55 | class logic_error : public exception |
56 | { |
57 | string _M_msg; |
58 | |
59 | public: |
60 | /** Takes a character string describing the error. */ |
61 | explicit |
62 | logic_error(const string& __arg); |
63 | |
64 | virtual ~logic_error() _GLIBCXX_USE_NOEXCEPT; |
65 | |
66 | /** Returns a C-style character string describing the general cause of |
67 | * the current error (the same string passed to the ctor). */ |
68 | virtual const char* |
69 | what() const _GLIBCXX_USE_NOEXCEPT; |
70 | }; |
71 | |
72 | /** Thrown by the library, or by you, to report domain errors (domain in |
73 | * the mathematical sense). */ |
74 | class domain_error : public logic_error |
75 | { |
76 | public: |
77 | explicit domain_error(const string& __arg); |
78 | virtual ~domain_error() _GLIBCXX_USE_NOEXCEPT; |
79 | }; |
80 | |
81 | /** Thrown to report invalid arguments to functions. */ |
82 | class invalid_argument : public logic_error |
83 | { |
84 | public: |
85 | explicit invalid_argument(const string& __arg); |
86 | virtual ~invalid_argument() _GLIBCXX_USE_NOEXCEPT; |
87 | }; |
88 | |
89 | /** Thrown when an object is constructed that would exceed its maximum |
90 | * permitted size (e.g., a basic_string instance). */ |
91 | class length_error : public logic_error |
92 | { |
93 | public: |
94 | explicit length_error(const string& __arg); |
95 | virtual ~length_error() _GLIBCXX_USE_NOEXCEPT; |
96 | }; |
97 | |
98 | /** This represents an argument whose value is not within the expected |
99 | * range (e.g., boundary checks in basic_string). */ |
100 | class out_of_range : public logic_error |
101 | { |
102 | public: |
103 | explicit out_of_range(const string& __arg); |
104 | virtual ~out_of_range() _GLIBCXX_USE_NOEXCEPT; |
105 | }; |
106 | |
107 | /** Runtime errors represent problems outside the scope of a program; |
108 | * they cannot be easily predicted and can generally only be caught as |
109 | * the program executes. |
110 | * @brief One of two subclasses of exception. |
111 | */ |
112 | class runtime_error : public exception |
113 | { |
114 | string _M_msg; |
115 | |
116 | public: |
117 | /** Takes a character string describing the error. */ |
118 | explicit |
119 | runtime_error(const string& __arg); |
120 | |
121 | virtual ~runtime_error() _GLIBCXX_USE_NOEXCEPT; |
122 | |
123 | /** Returns a C-style character string describing the general cause of |
124 | * the current error (the same string passed to the ctor). */ |
125 | virtual const char* |
126 | what() const _GLIBCXX_USE_NOEXCEPT; |
127 | }; |
128 | |
129 | /** Thrown to indicate range errors in internal computations. */ |
130 | class range_error : public runtime_error |
131 | { |
132 | public: |
133 | explicit range_error(const string& __arg); |
134 | virtual ~range_error() _GLIBCXX_USE_NOEXCEPT; |
135 | }; |
136 | |
137 | /** Thrown to indicate arithmetic overflow. */ |
138 | class overflow_error : public runtime_error |
139 | { |
140 | public: |
141 | explicit overflow_error(const string& __arg); |
142 | virtual ~overflow_error() _GLIBCXX_USE_NOEXCEPT; |
143 | }; |
144 | |
145 | /** Thrown to indicate arithmetic underflow. */ |
146 | class underflow_error : public runtime_error |
147 | { |
148 | public: |
149 | explicit underflow_error(const string& __arg); |
150 | virtual ~underflow_error() _GLIBCXX_USE_NOEXCEPT; |
151 | }; |
152 | |
153 | // @} group exceptions |
154 | |
155 | _GLIBCXX_END_NAMESPACE_VERSION |
156 | } // namespace |
157 | |
158 | #endif /* _GLIBCXX_STDEXCEPT */ |
159 | |