1*38fd1498Szrj // Exception Handling support header for -*- C++ -*- 2*38fd1498Szrj 3*38fd1498Szrj // Copyright (C) 2016-2018 Free Software Foundation, Inc. 4*38fd1498Szrj // 5*38fd1498Szrj // This file is part of GCC. 6*38fd1498Szrj // 7*38fd1498Szrj // GCC is free software; you can redistribute it and/or modify 8*38fd1498Szrj // it under the terms of the GNU General Public License as published by 9*38fd1498Szrj // the Free Software Foundation; either version 3, or (at your option) 10*38fd1498Szrj // any later version. 11*38fd1498Szrj // 12*38fd1498Szrj // GCC is distributed in the hope that it will be useful, 13*38fd1498Szrj // but WITHOUT ANY WARRANTY; without even the implied warranty of 14*38fd1498Szrj // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15*38fd1498Szrj // GNU General Public License for more details. 16*38fd1498Szrj // 17*38fd1498Szrj // Under Section 7 of GPL version 3, you are granted additional 18*38fd1498Szrj // permissions described in the GCC Runtime Library Exception, version 19*38fd1498Szrj // 3.1, as published by the Free Software Foundation. 20*38fd1498Szrj 21*38fd1498Szrj // You should have received a copy of the GNU General Public License and 22*38fd1498Szrj // a copy of the GCC Runtime Library Exception along with this program; 23*38fd1498Szrj // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 24*38fd1498Szrj // <http://www.gnu.org/licenses/>. 25*38fd1498Szrj 26*38fd1498Szrj /** @file bits/exception.h 27*38fd1498Szrj * This is an internal header file, included by other library headers. 28*38fd1498Szrj * Do not attempt to use it directly. 29*38fd1498Szrj */ 30*38fd1498Szrj 31*38fd1498Szrj #ifndef __EXCEPTION_H 32*38fd1498Szrj #define __EXCEPTION_H 1 33*38fd1498Szrj 34*38fd1498Szrj #pragma GCC system_header 35*38fd1498Szrj 36*38fd1498Szrj #pragma GCC visibility push(default) 37*38fd1498Szrj 38*38fd1498Szrj #include <bits/c++config.h> 39*38fd1498Szrj 40*38fd1498Szrj extern "C++" { 41*38fd1498Szrj 42*38fd1498Szrj namespace std 43*38fd1498Szrj { 44*38fd1498Szrj /** 45*38fd1498Szrj * @defgroup exceptions Exceptions 46*38fd1498Szrj * @ingroup diagnostics 47*38fd1498Szrj * 48*38fd1498Szrj * Classes and functions for reporting errors via exception classes. 49*38fd1498Szrj * @{ 50*38fd1498Szrj */ 51*38fd1498Szrj 52*38fd1498Szrj /** 53*38fd1498Szrj * @brief Base class for all library exceptions. 54*38fd1498Szrj * 55*38fd1498Szrj * This is the base class for all exceptions thrown by the standard 56*38fd1498Szrj * library, and by certain language expressions. You are free to derive 57*38fd1498Szrj * your own %exception classes, or use a different hierarchy, or to 58*38fd1498Szrj * throw non-class data (e.g., fundamental types). 59*38fd1498Szrj */ 60*38fd1498Szrj class exception 61*38fd1498Szrj { 62*38fd1498Szrj public: exception()63*38fd1498Szrj exception() _GLIBCXX_USE_NOEXCEPT { } 64*38fd1498Szrj virtual ~exception() _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_USE_NOEXCEPT; 65*38fd1498Szrj 66*38fd1498Szrj /** Returns a C-style character string describing the general cause 67*38fd1498Szrj * of the current error. */ 68*38fd1498Szrj virtual const char* 69*38fd1498Szrj what() const _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_USE_NOEXCEPT; 70*38fd1498Szrj }; 71*38fd1498Szrj 72*38fd1498Szrj } // namespace std 73*38fd1498Szrj 74*38fd1498Szrj } 75*38fd1498Szrj 76*38fd1498Szrj #pragma GCC visibility pop 77*38fd1498Szrj 78*38fd1498Szrj #endif 79