1// Standard exception classes -*- C++ -*- 2 3// Copyright (C) 2001, 2002, 2005 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 2, 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// You should have received a copy of the GNU General Public License along 17// with this library; see the file COPYING. If not, write to the Free 18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 19// USA. 20 21// As a special exception, you may use this file as part of a free software 22// library without restriction. Specifically, if other files instantiate 23// templates or use macros or inline functions from this file, or you compile 24// this file and link it with other files to produce an executable, this 25// file does not by itself cause the resulting executable to be covered by 26// the GNU General Public License. This exception does not however 27// invalidate any other reasons why the executable file might be covered by 28// the GNU General Public License. 29 30/** @file stdexcept 31 * This is a Standard C++ Library header. 32 */ 33 34// 35// ISO C++ 19.1 Exception classes 36// 37 38#ifndef _GLIBCXX_STDEXCEPT 39#define _GLIBCXX_STDEXCEPT 1 40 41#pragma GCC system_header 42 43#include <exception> 44#include <string> 45 46_GLIBCXX_BEGIN_NAMESPACE(std) 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 mathmatical 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_GLIBCXX_END_NAMESPACE 147 148#endif /* _GLIBCXX_STDEXCEPT */ 149