debug.h

mingw32.rar

#  define __glibcxx_requires_string(_String)
#  define __glibcxx_requires_string_len(_String,_Len)
#  define __glibcxx_requires_subscript(_N)
#endif

#include <cassert> // TBD: temporary

#include <stddef.h>                       // for ptrdiff_t
#include <bits/stl_iterator_base_types.h> // for iterator_traits, categories
#include <bits/type_traits.h>             // for _Is_integer

namespace __gnu_debug
{
  template<typename _Iterator, typename _Sequence>
    class _Safe_iterator;

  // An arbitrary iterator pointer is not singular.
  inline bool
  __check_singular_aux(const void*) { return false; }

  // We may have an iterator that derives from _Safe_iterator_base but isn't
  // a _Safe_iterator.
  template<typename _Iterator>
    inline bool
    __check_singular(_Iterator& __x)
    { return __gnu_debug::__check_singular_aux(&__x); }

  /** Non-NULL pointers are nonsingular. */
  template<typename _Tp>
    inline bool
    __check_singular(const _Tp* __ptr)
    { return __ptr == 0; }

  /** Safe iterators know if they are singular. */
  template<typename _Iterator, typename _Sequence>
    inline bool
    __check_singular(const _Safe_iterator<_Iterator, _Sequence>& __x)
    { return __x._M_singular(); }

  /** Assume that some arbitrary iterator is dereferenceable, because we
      can't prove that it isn't. */
  template<typename _Iterator>
    inline bool
    __check_dereferenceable(_Iterator&)
    { return true; }

  /** Non-NULL pointers are dereferenceable. */
  template<typename _Tp>
    inline bool
    __check_dereferenceable(const _Tp* __ptr)
    { return __ptr; }

  /** Safe iterators know if they are singular. */
  template<typename _Iterator, typename _Sequence>
    inline bool
    __check_dereferenceable(const _Safe_iterator<_Iterator, _Sequence>& __x)
    { return __x._M_dereferenceable(); }

  /** If the distance between two random access iterators is
   *  nonnegative, assume the range is valid.
  */
  template<typename _RandomAccessIterator>
    inline bool
    __valid_range_aux2(const _RandomAccessIterator& __first,
		       const _RandomAccessIterator& __last,
		       std::random_access_iterator_tag)
    { return __last - __first >= 0; }

  /** Can't test for a valid range with input iterators, because
   *  iteration may be destructive. So we just assume that the range
   *  is valid.
  */
  template<typename _InputIterator>
    inline bool
    __valid_range_aux2(const _InputIterator&, const _InputIterator&,
		       std::input_iterator_tag)
    { return true; }

  /** We say that integral types for a valid range, and defer to other
   *  routines to realize what to do with integral types instead of
   *  iterators.
  */
  template<typename _Integral>
    inline bool
    __valid_range_aux(const _Integral&, const _Integral&, __true_type)
    { return true; }

  /** We have iterators, so figure out what kind of iterators that are
   *  to see if we can check the range ahead of time.
  */
  template<typename _InputIterator>
    inline bool
    __valid_range_aux(const _InputIterator& __first,
		      const _InputIterator& __last, __false_type)
  {
    typedef typename std::iterator_traits<_InputIterator>::iterator_category
      _Category;
    return __gnu_debug::__valid_range_aux2(__first, __last, _Category());
  }

  /** Don't know what these iterators are, or if they are even
   *  iterators (we may get an integral type for InputIterator), so
   *  see if they are integral and pass them on to the next phase
   *  otherwise.
  */
  template<typename _InputIterator>
    inline bool
    __valid_range(const _InputIterator& __first, const _InputIterator& __last)
    {
      typedef typename _Is_integer<_InputIterator>::_Integral _Integral;
      return __gnu_debug::__valid_range_aux(__first, __last, _Integral());
    }

  /** Safe iterators know how to check if they form a valid range. */
  template<typename _Iterator, typename _Sequence>
    inline bool
    __valid_range(const _Safe_iterator<_Iterator, _Sequence>& __first,
		  const _Safe_iterator<_Iterator, _Sequence>& __last)
    { return __first._M_valid_range(__last); }

  /* Checks that [first, last) is a valid range, and then returns
   * __first. This routine is useful when we can't use a separate
   * assertion statement because, e.g., we are in a constructor.
  */
  template<typename _InputIterator>
    inline _InputIterator
    __check_valid_range(const _InputIterator& __first,
			const _InputIterator& __last)
    {
      _GLIBCXX_DEBUG_ASSERT(__gnu_debug::__valid_range(__first, __last));
      return __first;
    }

  /** Checks that __s is non-NULL or __n == 0, and then returns __s. */
  template<typename _CharT, typename _Integer>
    inline const _CharT*
    __check_string(const _CharT* __s, const _Integer& __n)
    {
#ifdef _GLIBCXX_DEBUG_PEDANTIC
      _GLIBCXX_DEBUG_ASSERT(__s != 0 || __n == 0);
#endif
      return __s;
    }

  /** Checks that __s is non-NULL and then returns __s. */
  template<typename _CharT>
    inline const _CharT*
    __check_string(const _CharT* __s)
    {
#ifdef _GLIBCXX_DEBUG_PEDANTIC
      _GLIBCXX_DEBUG_ASSERT(__s != 0);
#endif
      return __s;
    }

  // Can't check if an input iterator sequence is sorted, because we
  // can't step through the sequence.
  template<typename _InputIterator>
    inline bool
    __check_sorted_aux(const _InputIterator&, const _InputIterator&,
                       std::input_iterator_tag)
    { return true; }

  // Can verify if a forward iterator sequence is in fact sorted using
  // std::__is_sorted
  template<typename _ForwardIterator>
    inline bool
    __check_sorted_aux(_ForwardIterator __first, _ForwardIterator __last,
                       std::forward_iterator_tag)
    {
      if (__first == __last)
        return true;

      _ForwardIterator __next = __first;
      for (++__next; __next != __last; __first = __next, ++__next) {
        if (*__next < *__first)
          return false;
      }

      return true;
    }

  // Can't check if an input iterator sequence is sorted, because we can't step
  // through the sequence.
  template<typename _InputIterator, typename _Predicate>
    inline bool
    __check_sorted_aux(const _InputIterator&, const _InputIterator&,
                       _Predicate, std::input_iterator_tag)
    { return true; }

  // Can verify if a forward iterator sequence is in fact sorted using
  // std::__is_sorted
  template<typename _ForwardIterator, typename _Predicate>
    inline bool
    __check_sorted_aux(_ForwardIterator __first, _ForwardIterator __last,
                       _Predicate __pred, std::forward_iterator_tag)
    {
      if (__first == __last)
        return true;

      _ForwardIterator __next = __first;
      for (++__next; __next != __last; __first = __next, ++__next) {
        if (__pred(*__next, *__first))
          return false;
      }

      return true;
    }

  // Determine if a sequence is sorted.
  template<typename _InputIterator>
    inline bool
    __check_sorted(const _InputIterator& __first, const _InputIterator& __last)
    {
      typedef typename std::iterator_traits<_InputIterator>::iterator_category
        _Category;
      return __gnu_debug::__check_sorted_aux(__first, __last, _Category());
    }

  template<typename _InputIterator, typename _Predicate>
    inline bool
    __check_sorted(const _InputIterator& __first, const _InputIterator& __last,
                   _Predicate __pred)
    {
      typedef typename std::iterator_traits<_InputIterator>::iterator_category
        _Category;
      return __gnu_debug::__check_sorted_aux(__first, __last, __pred,
					     _Category());
    }

  // _GLIBCXX_RESOLVE_LIB_DEFECTS
  // 270. Binary search requirements overly strict
  // Determine if a sequence is partitioned w.r.t. this element.
  template<typename _ForwardIterator, typename _Tp>
    inline bool
    __check_partitioned(_ForwardIterator __first, _ForwardIterator __last,
			const _Tp& __value)
    {
      while (__first != __last && *__first < __value)
	++__first;
      while (__first != __last && !(*__first < __value))
	++__first;
      return __first == __last;
    }

  // Determine if a sequence is partitioned w.r.t. this element.
  template<typename _ForwardIterator, typename _Tp, typename _Pred>
    inline bool
    __check_partitioned(_ForwardIterator __first, _ForwardIterator __last,
			const _Tp& __value, _Pred __pred)
    {
      while (__first != __last && __pred(*__first, __value))
	++__first;
      while (__first != __last && !__pred(*__first, __value))
	++__first;
      return __first == __last;
    }
} // namespace __gnu_debug

#ifdef _GLIBCXX_DEBUG
// We need the error formatter
#  include <debug/formatter.h>
#endif

#endif