libstdc++-v3/include/debug/assertions.h

   1 // Debugging support implementation -*- C++ -*-
   2
   3 // Copyright (C) 2003-2021 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 #ifndef _GLIBCXX_DEBUG
  33
  34 # define _GLIBCXX_DEBUG_ASSERT(_Condition)
  35 # define _GLIBCXX_DEBUG_PEDASSERT(_Condition)
  36 # define _GLIBCXX_DEBUG_ONLY(_Statement)
  37
  38 #endif
  39
  40 #ifndef _GLIBCXX_ASSERTIONS
  41 # define __glibcxx_requires_non_empty_range(_First,_Last)
  42 # define __glibcxx_requires_nonempty()
  43 # define __glibcxx_requires_subscript(_N)
  44 #else
  45
  46 // Verify that [_First, _Last) forms a non-empty iterator range.
  47 # define __glibcxx_requires_non_empty_range(_First,_Last)       \
  48   __glibcxx_assert(_First != _Last)
  49 # define __glibcxx_requires_subscript(_N)       \
  50   __glibcxx_assert(_N < this->size())
  51 // Verify that the container is nonempty
  52 # define __glibcxx_requires_nonempty()          \
  53   __glibcxx_assert(!this->empty())
  54 #endif
  55
  56 #ifdef _GLIBCXX_DEBUG
  57 # define _GLIBCXX_DEBUG_ASSERT(_Condition) __glibcxx_assert(_Condition)
  58
  59 # ifdef _GLIBCXX_DEBUG_PEDANTIC
  60 #  define _GLIBCXX_DEBUG_PEDASSERT(_Condition) _GLIBCXX_DEBUG_ASSERT(_Condition)
  61 # else
  62 #  define _GLIBCXX_DEBUG_PEDASSERT(_Condition)
  63 # endif
  64
  65 # define _GLIBCXX_DEBUG_ONLY(_Statement) _Statement
  66 #endif
  67
  68 #endif // _GLIBCXX_DEBUG_ASSERTIONS