1 // Standard exception classes -*- C++ -*- 2 3 // Copyright (C) 2001, 2002, 2005, 2007, 2009 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 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 _GLIBCXX_BEGIN_NAMESPACE(std) 42 43 /** 44 * @addtogroup exceptions 45 * @{ 46 */ 47 48 /** Logic errors represent problems in the internal logic of a program; 49 * in theory, these are preventable, and even detectable before the 50 * program runs (e.g., violations of class invariants). 51 * @brief One of two subclasses of exception. 52 */ 53 class logic_error : public exception 54 { 55 string _M_msg; 56 57 public: 58 /** Takes a character string describing the error. */ 59 explicit 60 logic_error(const string& __arg); 61 62 virtual 63 ~logic_error() throw(); 64 65 /** Returns a C-style character string describing the general cause of 66 * the current error (the same string passed to the ctor). */ 67 virtual const char* 68 what() const throw(); 69 }; 70 71 /** Thrown by the library, or by you, to report domain errors (domain in 72 * the mathematical sense). */ 73 class domain_error : public logic_error 74 { 75 public: 76 explicit domain_error(const string& __arg); 77 }; 78 79 /** Thrown to report invalid arguments to functions. */ 80 class invalid_argument : public logic_error 81 { 82 public: 83 explicit invalid_argument(const string& __arg); 84 }; 85 86 /** Thrown when an object is constructed that would exceed its maximum 87 * permitted size (e.g., a basic_string instance). */ 88 class length_error : public logic_error 89 { 90 public: 91 explicit length_error(const string& __arg); 92 }; 93 94 /** This represents an argument whose value is not within the expected 95 * range (e.g., boundary checks in basic_string). */ 96 class out_of_range : public logic_error 97 { 98 public: 99 explicit out_of_range(const string& __arg); 100 }; 101 102 /** Runtime errors represent problems outside the scope of a program; 103 * they cannot be easily predicted and can generally only be caught as 104 * the program executes. 105 * @brief One of two subclasses of exception. 106 */ 107 class runtime_error : public exception 108 { 109 string _M_msg; 110 111 public: 112 /** Takes a character string describing the error. */ 113 explicit 114 runtime_error(const string& __arg); 115 116 virtual 117 ~runtime_error() throw(); 118 119 /** Returns a C-style character string describing the general cause of 120 * the current error (the same string passed to the ctor). */ 121 virtual const char* 122 what() const throw(); 123 }; 124 125 /** Thrown to indicate range errors in internal computations. */ 126 class range_error : public runtime_error 127 { 128 public: 129 explicit range_error(const string& __arg); 130 }; 131 132 /** Thrown to indicate arithmetic overflow. */ 133 class overflow_error : public runtime_error 134 { 135 public: 136 explicit overflow_error(const string& __arg); 137 }; 138 139 /** Thrown to indicate arithmetic underflow. */ 140 class underflow_error : public runtime_error 141 { 142 public: 143 explicit underflow_error(const string& __arg); 144 }; 145 146 // @} group exceptions 147 148 _GLIBCXX_END_NAMESPACE 149 150 #endif /* _GLIBCXX_STDEXCEPT */ 151
