| // Iostreams base classes -*- C++ -*- |
| |
| // Copyright (C) 1997-2022 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // Under Section 7 of GPL version 3, you are granted additional |
| // permissions described in the GCC Runtime Library Exception, version |
| // 3.1, as published by the Free Software Foundation. |
| |
| // You should have received a copy of the GNU General Public License and |
| // a copy of the GCC Runtime Library Exception along with this program; |
| // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| // <http://www.gnu.org/licenses/>. |
| |
| // |
| // ISO C++ 14882:1998: 27.4.2.1.1 Class ios_base::failure |
| // |
| |
| #define _GLIBCXX_USE_CXX11_ABI 0 |
| #include <ios> |
| |
| #if _GLIBCXX_USE_DUAL_ABI && __cpp_rtti |
| #include <cxxabi.h> |
| #include <typeinfo> |
| #endif |
| |
| #ifdef _GLIBCXX_USE_NLS |
| # include <libintl.h> |
| # define _(msgid) gettext (msgid) |
| #else |
| # define _(msgid) (msgid) |
| #endif |
| |
| namespace std _GLIBCXX_VISIBILITY(default) |
| { |
| _GLIBCXX_BEGIN_NAMESPACE_VERSION |
| |
| ios_base::failure::failure(const string& __str) throw() |
| : _M_msg(__str) { } |
| |
| ios_base::failure::~failure() throw() |
| { } |
| |
| const char* |
| ios_base::failure::what() const throw() |
| { return _M_msg.c_str(); } |
| |
| #if _GLIBCXX_USE_DUAL_ABI |
| // When the dual ABI is enabled __throw_ios_failure() is defined in |
| // src/c++11/cxx11-ios_failure.cc |
| #if __cpp_rtti |
| // If RTTI is enabled the exception type thrown will use these functions to |
| // construct/destroy a gcc4-compatible ios::failure object in a buffer, |
| // and to catch that object via a handler of the gcc4-compatible type. |
| void |
| __construct_ios_failure(void* buf, const char* msg) |
| { ::new(buf) ios_base::failure(msg); } |
| |
| void |
| __destroy_ios_failure(void* buf) |
| { static_cast<ios_base::failure*>(buf)->~failure(); } |
| |
| bool |
| __is_ios_failure_handler(const __cxxabiv1::__class_type_info* type) |
| { return *type == typeid(ios::failure); } |
| |
| namespace { |
| // C++98-style static assertions to ensure ios::failure fits in a buffer |
| // with the same size and alignment as runtime_error: |
| typedef char S[1 / (sizeof(ios::failure) <= sizeof(runtime_error))]; |
| typedef char A[1 / (__alignof(ios::failure) <= __alignof(runtime_error))]; |
| } |
| #endif // __cpp_rtti |
| |
| #else // ! _GLIBCXX_USE_DUAL_ABI |
| |
| void |
| __throw_ios_failure(const char* __s __attribute__((unused))) |
| { _GLIBCXX_THROW_OR_ABORT(ios::failure(_(__s))); } |
| |
| void |
| __throw_ios_failure(const char* str, int) |
| { __throw_ios_failure(str); } |
| |
| #endif // _GLIBCXX_USE_DUAL_ABI |
| |
| _GLIBCXX_END_NAMESPACE_VERSION |
| } // namespace |