1  // Function-Based Exception Support -*- C++ -*-
       2  
       3  // Copyright (C) 2001-2023 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 bits/functexcept.h
      26   *  This is an internal header file, included by other library headers.
      27   *  Do not attempt to use it directly. @headername{exception}
      28   *
      29   *  This header provides support for -fno-exceptions.
      30   */
      31  
      32  //
      33  // ISO C++ 14882: 19.1  Exception classes
      34  //
      35  
      36  #ifndef _FUNCTEXCEPT_H
      37  #define _FUNCTEXCEPT_H 1
      38  
      39  #include <bits/c++config.h>
      40  #include <bits/exception_defines.h>
      41  
      42  namespace std _GLIBCXX_VISIBILITY(default)
      43  {
      44  _GLIBCXX_BEGIN_NAMESPACE_VERSION
      45  
      46  #if _GLIBCXX_HOSTED
      47    // Helper for exception objects in <except>
      48    void
      49    __throw_bad_exception(void) __attribute__((__noreturn__));
      50  
      51    // Helper for exception objects in <new>
      52    void
      53    __throw_bad_alloc(void) __attribute__((__noreturn__));
      54  
      55    void
      56    __throw_bad_array_new_length(void) __attribute__((__noreturn__));
      57  
      58    // Helper for exception objects in <typeinfo>
      59    void
      60    __throw_bad_cast(void) __attribute__((__noreturn__));
      61  
      62    void
      63    __throw_bad_typeid(void) __attribute__((__noreturn__));
      64  
      65    // Helpers for exception objects in <stdexcept>
      66    void
      67    __throw_logic_error(const char*) __attribute__((__noreturn__));
      68  
      69    void
      70    __throw_domain_error(const char*) __attribute__((__noreturn__));
      71  
      72    void
      73    __throw_invalid_argument(const char*) __attribute__((__noreturn__));
      74  
      75    void
      76    __throw_length_error(const char*) __attribute__((__noreturn__));
      77  
      78    void
      79    __throw_out_of_range(const char*) __attribute__((__noreturn__));
      80  
      81    void
      82    __throw_out_of_range_fmt(const char*, ...) __attribute__((__noreturn__))
      83      __attribute__((__format__(__gnu_printf__, 1, 2)));
      84  
      85    void
      86    __throw_runtime_error(const char*) __attribute__((__noreturn__));
      87  
      88    void
      89    __throw_range_error(const char*) __attribute__((__noreturn__));
      90  
      91    void
      92    __throw_overflow_error(const char*) __attribute__((__noreturn__));
      93  
      94    void
      95    __throw_underflow_error(const char*) __attribute__((__noreturn__));
      96  
      97    // Helpers for exception objects in <ios>
      98    void
      99    __throw_ios_failure(const char*) __attribute__((__noreturn__));
     100  
     101    void
     102    __throw_ios_failure(const char*, int) __attribute__((__noreturn__));
     103  
     104    // Helpers for exception objects in <system_error>
     105    void
     106    __throw_system_error(int) __attribute__((__noreturn__));
     107  
     108    // Helpers for exception objects in <future>
     109    void
     110    __throw_future_error(int) __attribute__((__noreturn__));
     111  
     112    // Helpers for exception objects in <functional>
     113    void
     114    __throw_bad_function_call() __attribute__((__noreturn__));
     115  
     116  #else // ! HOSTED
     117  
     118    __attribute__((__noreturn__)) inline void
     119    __throw_invalid_argument(const char*)
     120    { std::__terminate(); }
     121  
     122    __attribute__((__noreturn__)) inline void
     123    __throw_out_of_range(const char*)
     124    { std::__terminate(); }
     125  
     126    __attribute__((__noreturn__)) inline void
     127    __throw_out_of_range_fmt(const char*, ...)
     128    { std::__terminate(); }
     129  
     130    __attribute__((__noreturn__)) inline void
     131    __throw_runtime_error(const char*)
     132    { std::__terminate(); }
     133  
     134    __attribute__((__noreturn__)) inline void
     135    __throw_overflow_error(const char*)
     136    { std::__terminate(); }
     137  
     138  #endif // HOSTED
     139  
     140  _GLIBCXX_END_NAMESPACE_VERSION
     141  } // namespace
     142  
     143  #endif