libstdc++
functexcept.h
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1 // Function-Based Exception Support -*- C++ -*-
2 
3 // Copyright (C) 2001-2023 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 bits/functexcept.h
26  * This is an internal header file, included by other library headers.
27  * Do not attempt to use it directly. @headername{exception}
28  *
29  * This header provides support for -fno-exceptions.
30  */
31 
32 //
33 // ISO C++ 14882: 19.1 Exception classes
34 //
35 
36 #ifndef _FUNCTEXCEPT_H
37 #define _FUNCTEXCEPT_H 1
38 
39 #include <bits/c++config.h>
40 #include <bits/exception_defines.h>
41 
42 namespace std _GLIBCXX_VISIBILITY(default)
43 {
44 _GLIBCXX_BEGIN_NAMESPACE_VERSION
45 
46 #if _GLIBCXX_HOSTED
47  // Helper for exception objects in <except>
48  void
49  __throw_bad_exception(void) __attribute__((__noreturn__));
50 
51  // Helper for exception objects in <new>
52  void
53  __throw_bad_alloc(void) __attribute__((__noreturn__));
54 
55  void
56  __throw_bad_array_new_length(void) __attribute__((__noreturn__));
57 
58  // Helper for exception objects in <typeinfo>
59  void
60  __throw_bad_cast(void) __attribute__((__noreturn__));
61 
62  void
63  __throw_bad_typeid(void) __attribute__((__noreturn__));
64 
65  // Helpers for exception objects in <stdexcept>
66  void
67  __throw_logic_error(const char*) __attribute__((__noreturn__));
68 
69  void
70  __throw_domain_error(const char*) __attribute__((__noreturn__));
71 
72  void
73  __throw_invalid_argument(const char*) __attribute__((__noreturn__));
74 
75  void
76  __throw_length_error(const char*) __attribute__((__noreturn__));
77 
78  void
79  __throw_out_of_range(const char*) __attribute__((__noreturn__));
80 
81  void
82  __throw_out_of_range_fmt(const char*, ...) __attribute__((__noreturn__))
83  __attribute__((__format__(__gnu_printf__, 1, 2)));
84 
85  void
86  __throw_runtime_error(const char*) __attribute__((__noreturn__));
87 
88  void
89  __throw_range_error(const char*) __attribute__((__noreturn__));
90 
91  void
92  __throw_overflow_error(const char*) __attribute__((__noreturn__));
93 
94  void
95  __throw_underflow_error(const char*) __attribute__((__noreturn__));
96 
97  // Helpers for exception objects in <ios>
98  void
99  __throw_ios_failure(const char*) __attribute__((__noreturn__));
100 
101  void
102  __throw_ios_failure(const char*, int) __attribute__((__noreturn__));
103 
104  // Helpers for exception objects in <system_error>
105  void
106  __throw_system_error(int) __attribute__((__noreturn__));
107 
108  // Helpers for exception objects in <future>
109  void
110  __throw_future_error(int) __attribute__((__noreturn__));
111 
112  // Helpers for exception objects in <functional>
113  void
114  __throw_bad_function_call() __attribute__((__noreturn__));
115 
116 #else // ! HOSTED
117 
118  __attribute__((__noreturn__)) inline void
119  __throw_invalid_argument(const char*)
120  { std::__terminate(); }
121 
122  __attribute__((__noreturn__)) inline void
123  __throw_out_of_range(const char*)
124  { std::__terminate(); }
125 
126  __attribute__((__noreturn__)) inline void
127  __throw_out_of_range_fmt(const char*, ...)
128  { std::__terminate(); }
129 
130  __attribute__((__noreturn__)) inline void
131  __throw_runtime_error(const char*)
132  { std::__terminate(); }
133 
134  __attribute__((__noreturn__)) inline void
135  __throw_overflow_error(const char*)
136  { std::__terminate(); }
137 
138 #endif // HOSTED
139 
140 _GLIBCXX_END_NAMESPACE_VERSION
141 } // namespace
142 
143 #endif
exception_defines.h
c++config.h
std
ISO C++ entities toplevel namespace is std.