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