assertions.h 2.3 KB

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  1. // Debugging support implementation -*- C++ -*-
  2. // Copyright (C) 2003-2022 Free Software Foundation, Inc.
  3. //
  4. // This file is part of the GNU ISO C++ Library. This library is free
  5. // software; you can redistribute it and/or modify it under the
  6. // terms of the GNU General Public License as published by the
  7. // Free Software Foundation; either version 3, or (at your option)
  8. // any later version.
  9. // This library is distributed in the hope that it will be useful,
  10. // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. // GNU General Public License for more details.
  13. // Under Section 7 of GPL version 3, you are granted additional
  14. // permissions described in the GCC Runtime Library Exception, version
  15. // 3.1, as published by the Free Software Foundation.
  16. // You should have received a copy of the GNU General Public License and
  17. // a copy of the GCC Runtime Library Exception along with this program;
  18. // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
  19. // <http://www.gnu.org/licenses/>.
  20. /** @file debug/assertions.h
  21. * This file is a GNU debug extension to the Standard C++ Library.
  22. */
  23. #ifndef _GLIBCXX_DEBUG_ASSERTIONS_H
  24. #define _GLIBCXX_DEBUG_ASSERTIONS_H 1
  25. #include <bits/c++config.h>
  26. #ifndef _GLIBCXX_DEBUG
  27. # define _GLIBCXX_DEBUG_ASSERT(_Condition)
  28. # define _GLIBCXX_DEBUG_PEDASSERT(_Condition)
  29. # define _GLIBCXX_DEBUG_ONLY(_Statement)
  30. #endif
  31. #ifndef _GLIBCXX_ASSERTIONS
  32. # define __glibcxx_requires_non_empty_range(_First,_Last)
  33. # define __glibcxx_requires_nonempty()
  34. # define __glibcxx_requires_subscript(_N)
  35. #else
  36. // Verify that [_First, _Last) forms a non-empty iterator range.
  37. # define __glibcxx_requires_non_empty_range(_First,_Last) \
  38. __glibcxx_assert(_First != _Last)
  39. # define __glibcxx_requires_subscript(_N) \
  40. __glibcxx_assert(_N < this->size())
  41. // Verify that the container is nonempty
  42. # define __glibcxx_requires_nonempty() \
  43. __glibcxx_assert(!this->empty())
  44. #endif
  45. #ifdef _GLIBCXX_DEBUG
  46. # define _GLIBCXX_DEBUG_ASSERT(_Condition) __glibcxx_assert(_Condition)
  47. # ifdef _GLIBCXX_DEBUG_PEDANTIC
  48. # define _GLIBCXX_DEBUG_PEDASSERT(_Condition) _GLIBCXX_DEBUG_ASSERT(_Condition)
  49. # else
  50. # define _GLIBCXX_DEBUG_PEDASSERT(_Condition)
  51. # endif
  52. # define _GLIBCXX_DEBUG_ONLY(_Statement) _Statement
  53. #endif
  54. #endif // _GLIBCXX_DEBUG_ASSERTIONS