1  // Debugging support implementation -*- C++ -*-
       2  
       3  // Copyright (C) 2003-2023 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 debug/assertions.h
      26   *  This file is a GNU debug extension to the Standard C++ Library.
      27   */
      28  
      29  #ifndef _GLIBCXX_DEBUG_ASSERTIONS_H
      30  #define _GLIBCXX_DEBUG_ASSERTIONS_H 1
      31  
      32  #include <bits/c++config.h>
      33  
      34  #ifndef _GLIBCXX_ASSERTIONS
      35  # define __glibcxx_requires_non_empty_range(_First,_Last)
      36  # define __glibcxx_requires_nonempty()
      37  # define __glibcxx_requires_subscript(_N)
      38  #else
      39  
      40  // Verify that [_First, _Last) forms a non-empty iterator range.
      41  # define __glibcxx_requires_non_empty_range(_First,_Last)	\
      42    __glibcxx_assert(_First != _Last)
      43  # define __glibcxx_requires_subscript(_N)	\
      44    __glibcxx_assert(_N < this->size())
      45  // Verify that the container is nonempty
      46  # define __glibcxx_requires_nonempty()		\
      47    __glibcxx_assert(!this->empty())
      48  #endif
      49  
      50  #if defined _GLIBCXX_DEBUG && _GLIBCXX_HOSTED
      51  
      52  # define _GLIBCXX_DEBUG_ASSERT(_Condition) __glibcxx_assert(_Condition)
      53  
      54  # ifdef _GLIBCXX_DEBUG_PEDANTIC
      55  #  define _GLIBCXX_DEBUG_PEDASSERT(_Condition) _GLIBCXX_DEBUG_ASSERT(_Condition)
      56  # else
      57  #  define _GLIBCXX_DEBUG_PEDASSERT(_Condition)
      58  # endif
      59  
      60  # define _GLIBCXX_DEBUG_ONLY(_Statement) _Statement
      61  
      62  #else
      63  # define _GLIBCXX_DEBUG_ASSERT(_Condition)
      64  # define _GLIBCXX_DEBUG_PEDASSERT(_Condition)
      65  # define _GLIBCXX_DEBUG_ONLY(_Statement)
      66  #endif
      67  
      68  #endif // _GLIBCXX_DEBUG_ASSERTIONS