mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-18 20:19:49 +08:00
df9262681b
* algorithm alloc.h defalloc.h hash_map.h hash_set.h iterator memory pthread_alloc pthread_alloc.h rope ropeimpl.h stl_algo.h stl_algobase.h stl_alloc.h stl_bvector.h stl_config.h stl_construct.h stl_deque.h stl_function.h stl_hash_fun.h stl_hash_map.h stl_hash_set.h stl_hashtable.h stl_heap.h stl_iterator.h stl_list.h stl_map.h stl_multimap.h stl_multiset.h stl_numeric.h stl_pair.h stl_queue.h stl_raw_storage_iter.h stl_relops.h stl_rope.h stl_set.h stl_slist.h stl_stack.h stl_tempbuf.h stl_tree.h stl_uninitialized.h stl_vector.h tempbuf.h type_traits.h: Update to SGI STL 3.11. From-SVN: r22190
527 lines
17 KiB
C++
527 lines
17 KiB
C++
/*
|
|
*
|
|
* Copyright (c) 1994
|
|
* Hewlett-Packard Company
|
|
*
|
|
* Permission to use, copy, modify, distribute and sell this software
|
|
* and its documentation for any purpose is hereby granted without fee,
|
|
* provided that the above copyright notice appear in all copies and
|
|
* that both that copyright notice and this permission notice appear
|
|
* in supporting documentation. Hewlett-Packard Company makes no
|
|
* representations about the suitability of this software for any
|
|
* purpose. It is provided "as is" without express or implied warranty.
|
|
*
|
|
*
|
|
* Copyright (c) 1996-1998
|
|
* Silicon Graphics Computer Systems, Inc.
|
|
*
|
|
* Permission to use, copy, modify, distribute and sell this software
|
|
* and its documentation for any purpose is hereby granted without fee,
|
|
* provided that the above copyright notice appear in all copies and
|
|
* that both that copyright notice and this permission notice appear
|
|
* in supporting documentation. Silicon Graphics makes no
|
|
* representations about the suitability of this software for any
|
|
* purpose. It is provided "as is" without express or implied warranty.
|
|
*/
|
|
|
|
/* NOTE: This is an internal header file, included by other STL headers.
|
|
* You should not attempt to use it directly.
|
|
*/
|
|
|
|
|
|
#ifndef __SGI_STL_INTERNAL_ALGOBASE_H
|
|
#define __SGI_STL_INTERNAL_ALGOBASE_H
|
|
|
|
#ifndef __STL_CONFIG_H
|
|
#include <stl_config.h>
|
|
#endif
|
|
#ifndef __SGI_STL_INTERNAL_RELOPS
|
|
#include <stl_relops.h>
|
|
#endif
|
|
#ifndef __SGI_STL_INTERNAL_PAIR_H
|
|
#include <stl_pair.h>
|
|
#endif
|
|
#ifndef __TYPE_TRAITS_H_
|
|
#include <type_traits.h>
|
|
#endif
|
|
|
|
#include <string.h>
|
|
#include <limits.h>
|
|
#include <stdlib.h>
|
|
#include <stddef.h>
|
|
#include <new.h>
|
|
#include <iostream.h>
|
|
|
|
#ifndef __SGI_STL_INTERNAL_ITERATOR_H
|
|
#include <stl_iterator.h>
|
|
#endif
|
|
|
|
__STL_BEGIN_NAMESPACE
|
|
|
|
// swap and iter_swap
|
|
|
|
template <class _ForwardIter1, class _ForwardIter2, class _Tp>
|
|
inline void __iter_swap(_ForwardIter1 __a, _ForwardIter2 __b, _Tp*) {
|
|
_Tp __tmp = *__a;
|
|
*__a = *__b;
|
|
*__b = __tmp;
|
|
}
|
|
|
|
template <class _ForwardIter1, class _ForwardIter2>
|
|
inline void iter_swap(_ForwardIter1 __a, _ForwardIter2 __b) {
|
|
__iter_swap(__a, __b, __VALUE_TYPE(__a));
|
|
}
|
|
|
|
template <class _Tp>
|
|
inline void swap(_Tp& __a, _Tp& __b) {
|
|
_Tp __tmp = __a;
|
|
__a = __b;
|
|
__b = __tmp;
|
|
}
|
|
|
|
//--------------------------------------------------
|
|
// min and max
|
|
|
|
#ifndef __BORLANDC__
|
|
|
|
#undef min
|
|
#undef max
|
|
|
|
template <class _Tp>
|
|
inline const _Tp& min(const _Tp& __a, const _Tp& __b) {
|
|
return __b < __a ? __b : __a;
|
|
}
|
|
|
|
template <class _Tp>
|
|
inline const _Tp& max(const _Tp& __a, const _Tp& __b) {
|
|
return __a < __b ? __b : __a;
|
|
}
|
|
|
|
#endif /* __BORLANDC__ */
|
|
|
|
template <class _Tp, class _Compare>
|
|
inline const _Tp& min(const _Tp& __a, const _Tp& __b, _Compare __comp) {
|
|
return __comp(__b, __a) ? __b : __a;
|
|
}
|
|
|
|
template <class _Tp, class _Compare>
|
|
inline const _Tp& max(const _Tp& __a, const _Tp& __b, _Compare __comp) {
|
|
return __comp(__a, __b) ? __b : __a;
|
|
}
|
|
|
|
//--------------------------------------------------
|
|
// copy
|
|
|
|
// All of these auxiliary functions serve two purposes. (1) Replace
|
|
// calls to copy with memmove whenever possible. (Memmove, not memcpy,
|
|
// because the input and output ranges are permitted to overlap.)
|
|
// (2) If we're using random access iterators, then write the loop as
|
|
// a for loop with an explicit count. The auxiliary class __copy_dispatch
|
|
// is a workaround for compilers that don't support partial ordering of
|
|
// function templates.
|
|
|
|
template <class _InputIter, class _OutputIter, class _Distance>
|
|
inline _OutputIter __copy(_InputIter __first, _InputIter __last,
|
|
_OutputIter __result,
|
|
input_iterator_tag, _Distance*)
|
|
{
|
|
for ( ; __first != __last; ++__result, ++__first)
|
|
*__result = *__first;
|
|
return __result;
|
|
}
|
|
|
|
template <class _RandomAccessIter, class _OutputIter, class _Distance>
|
|
inline _OutputIter
|
|
__copy(_RandomAccessIter __first, _RandomAccessIter __last,
|
|
_OutputIter __result, random_access_iterator_tag, _Distance*)
|
|
{
|
|
for (_Distance __n = __last - __first; __n > 0; --__n) {
|
|
*__result = *__first;
|
|
++__first;
|
|
++__result;
|
|
}
|
|
return __result;
|
|
}
|
|
|
|
template <class _Tp>
|
|
inline _Tp*
|
|
__copy_trivial(const _Tp* __first, const _Tp* __last, _Tp* __result) {
|
|
memmove(__result, __first, sizeof(_Tp) * (__last - __first));
|
|
return __result + (__last - __first);
|
|
}
|
|
|
|
#ifdef __STL_CLASS_PARTIAL_SPECIALIZATION
|
|
|
|
template <class _InputIter, class _OutputIter, class _BoolType>
|
|
struct __copy_dispatch {
|
|
static _OutputIter copy(_InputIter __first, _InputIter __last,
|
|
_OutputIter __result) {
|
|
typedef typename iterator_traits<_InputIter>::iterator_category _Category;
|
|
typedef typename iterator_traits<_InputIter>::difference_type _Distance;
|
|
return __copy(__first, __last, __result, _Category(), (_Distance*) 0);
|
|
}
|
|
};
|
|
|
|
template <class _Tp>
|
|
struct __copy_dispatch<_Tp*, _Tp*, __true_type>
|
|
{
|
|
static _Tp* copy(const _Tp* __first, const _Tp* __last, _Tp* __result) {
|
|
return __copy_trivial(__first, __last, __result);
|
|
}
|
|
};
|
|
|
|
template <class _Tp>
|
|
struct __copy_dispatch<const _Tp*, _Tp*, __true_type>
|
|
{
|
|
static _Tp* copy(const _Tp* __first, const _Tp* __last, _Tp* __result) {
|
|
return __copy_trivial(__first, __last, __result);
|
|
}
|
|
};
|
|
|
|
template <class _InputIter, class _OutputIter>
|
|
inline _OutputIter copy(_InputIter __first, _InputIter __last,
|
|
_OutputIter __result) {
|
|
typedef typename iterator_traits<_InputIter>::value_type _Tp;
|
|
typedef typename __type_traits<_Tp>::has_trivial_assignment_operator
|
|
_Trivial;
|
|
return __copy_dispatch<_InputIter, _OutputIter, _Trivial>
|
|
::copy(__first, __last, __result);
|
|
}
|
|
|
|
#else /* __STL_CLASS_PARTIAL_SPECIALIZATION */
|
|
|
|
template <class _InputIter, class _OutputIter>
|
|
inline _OutputIter copy(_InputIter __first, _InputIter __last,
|
|
_OutputIter __result)
|
|
{
|
|
return __copy(__first, __last, __result,
|
|
__ITERATOR_CATEGORY(__first),
|
|
__DISTANCE_TYPE(__first));
|
|
}
|
|
|
|
inline char* copy(const char* __first, const char* __last, char* __result) {
|
|
memmove(__result, __first, __last - __first);
|
|
return __result + (__last - __first);
|
|
}
|
|
|
|
inline wchar_t* copy(const wchar_t* __first, const wchar_t* __last,
|
|
wchar_t* __result) {
|
|
memmove(__result, __first, sizeof(wchar_t) * (__last - __first));
|
|
return __result + (__last - __first);
|
|
}
|
|
|
|
#endif /* __STL_CLASS_PARTIAL_SPECIALIZATION */
|
|
|
|
//--------------------------------------------------
|
|
// copy_backward
|
|
|
|
template <class _BidirectionalIter1, class _BidirectionalIter2,
|
|
class _Distance>
|
|
inline _BidirectionalIter2 __copy_backward(_BidirectionalIter1 __first,
|
|
_BidirectionalIter1 __last,
|
|
_BidirectionalIter2 __result,
|
|
bidirectional_iterator_tag,
|
|
_Distance*)
|
|
{
|
|
while (__first != __last)
|
|
*--__result = *--__last;
|
|
return __result;
|
|
}
|
|
|
|
template <class _RandomAccessIter, class _BidirectionalIter, class _Distance>
|
|
inline _BidirectionalIter __copy_backward(_RandomAccessIter __first,
|
|
_RandomAccessIter __last,
|
|
_BidirectionalIter __result,
|
|
random_access_iterator_tag,
|
|
_Distance*)
|
|
{
|
|
for (_Distance __n = __last - __first; __n > 0; --__n)
|
|
*--__result = *--__last;
|
|
return __result;
|
|
}
|
|
|
|
#ifdef __STL_CLASS_PARTIAL_SPECIALIZATION
|
|
|
|
// This dispatch class is a workaround for compilers that do not
|
|
// have partial ordering of function templates. All we're doing is
|
|
// creating a specialization so that we can turn a call to copy_backward
|
|
// into a memmove whenever possible.
|
|
|
|
template <class _BidirectionalIter1, class _BidirectionalIter2,
|
|
class _BoolType>
|
|
struct __copy_backward_dispatch
|
|
{
|
|
typedef typename iterator_traits<_BidirectionalIter1>::iterator_category
|
|
_Cat;
|
|
typedef typename iterator_traits<_BidirectionalIter1>::difference_type
|
|
_Distance;
|
|
|
|
static _BidirectionalIter2 copy(_BidirectionalIter1 __first,
|
|
_BidirectionalIter1 __last,
|
|
_BidirectionalIter2 __result) {
|
|
return __copy_backward(__first, __last, __result, _Cat(), (_Distance*) 0);
|
|
}
|
|
};
|
|
|
|
template <class _Tp>
|
|
struct __copy_backward_dispatch<_Tp*, _Tp*, __true_type>
|
|
{
|
|
static _Tp* copy(const _Tp* __first, const _Tp* __last, _Tp* __result) {
|
|
const ptrdiff_t _Num = __last - __first;
|
|
memmove(__result - _Num, __first, sizeof(_Tp) * _Num);
|
|
return __result - _Num;
|
|
}
|
|
};
|
|
|
|
template <class _Tp>
|
|
struct __copy_backward_dispatch<const _Tp*, _Tp*, __true_type>
|
|
{
|
|
static _Tp* copy(const _Tp* __first, const _Tp* __last, _Tp* __result) {
|
|
return __copy_backward_dispatch<_Tp*, _Tp*, __true_type>
|
|
::copy(__first, __last, __result);
|
|
}
|
|
};
|
|
|
|
template <class _BI1, class _BI2>
|
|
inline _BI2 copy_backward(_BI1 __first, _BI1 __last, _BI2 __result) {
|
|
typedef typename __type_traits<typename iterator_traits<_BI2>::value_type>
|
|
::has_trivial_assignment_operator
|
|
_Trivial;
|
|
return __copy_backward_dispatch<_BI1, _BI2, _Trivial>
|
|
::copy(__first, __last, __result);
|
|
}
|
|
|
|
#else /* __STL_CLASS_PARTIAL_SPECIALIZATION */
|
|
|
|
template <class _BI1, class _BI2>
|
|
inline _BI2 copy_backward(_BI1 __first, _BI1 __last, _BI2 __result) {
|
|
return __copy_backward(__first, __last, __result,
|
|
__ITERATOR_CATEGORY(__first),
|
|
__DISTANCE_TYPE(__first));
|
|
}
|
|
|
|
#endif /* __STL_CLASS_PARTIAL_SPECIALIZATION */
|
|
|
|
//--------------------------------------------------
|
|
// copy_n (not part of the C++ standard)
|
|
|
|
template <class _InputIter, class _Size, class _OutputIter>
|
|
pair<_InputIter, _OutputIter> __copy_n(_InputIter __first, _Size __count,
|
|
_OutputIter __result,
|
|
input_iterator_tag) {
|
|
for ( ; __count > 0; --__count) {
|
|
*__result = *__first;
|
|
++__first;
|
|
++__result;
|
|
}
|
|
return pair<_InputIter, _OutputIter>(__first, __result);
|
|
}
|
|
|
|
template <class _RAIter, class _Size, class _OutputIter>
|
|
inline pair<_RAIter, _OutputIter>
|
|
__copy_n(_RAIter __first, _Size __count,
|
|
_OutputIter __result,
|
|
random_access_iterator_tag) {
|
|
_RAIter __last = __first + __count;
|
|
return pair<_RAIter, _OutputIter>(__last, copy(__first, __last, __result));
|
|
}
|
|
|
|
template <class _InputIter, class _Size, class _OutputIter>
|
|
inline pair<_InputIter, _OutputIter>
|
|
__copy_n(_InputIter __first, _Size __count, _OutputIter __result) {
|
|
return __copy_n(__first, __count, __result,
|
|
__ITERATOR_CATEGORY(__first));
|
|
}
|
|
|
|
template <class _InputIter, class _Size, class _OutputIter>
|
|
inline pair<_InputIter, _OutputIter>
|
|
copy_n(_InputIter __first, _Size __count, _OutputIter __result) {
|
|
return __copy_n(__first, __count, __result);
|
|
}
|
|
|
|
//--------------------------------------------------
|
|
// fill and fill_n
|
|
|
|
|
|
template <class _ForwardIter, class _Tp>
|
|
void fill(_ForwardIter __first, _ForwardIter __last, const _Tp& __value) {
|
|
for ( ; __first != __last; ++__first)
|
|
*__first = __value;
|
|
}
|
|
|
|
template <class _OutputIter, class _Size, class _Tp>
|
|
_OutputIter fill_n(_OutputIter __first, _Size __n, const _Tp& __value) {
|
|
for ( ; __n > 0; --__n, ++__first)
|
|
*__first = __value;
|
|
return __first;
|
|
}
|
|
|
|
//--------------------------------------------------
|
|
// equal and mismatch
|
|
|
|
template <class _InputIter1, class _InputIter2>
|
|
pair<_InputIter1, _InputIter2> mismatch(_InputIter1 __first1,
|
|
_InputIter1 __last1,
|
|
_InputIter2 __first2) {
|
|
while (__first1 != __last1 && *__first1 == *__first2) {
|
|
++__first1;
|
|
++__first2;
|
|
}
|
|
return pair<_InputIter1, _InputIter2>(__first1, __first2);
|
|
}
|
|
|
|
template <class _InputIter1, class _InputIter2, class _BinaryPredicate>
|
|
pair<_InputIter1, _InputIter2> mismatch(_InputIter1 __first1,
|
|
_InputIter1 __last1,
|
|
_InputIter2 __first2,
|
|
_BinaryPredicate __binary_pred) {
|
|
while (__first1 != __last1 && __binary_pred(*__first1, *__first2)) {
|
|
++__first1;
|
|
++__first2;
|
|
}
|
|
return pair<_InputIter1, _InputIter2>(__first1, __first2);
|
|
}
|
|
|
|
template <class _InputIter1, class _InputIter2>
|
|
inline bool equal(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2) {
|
|
for ( ; __first1 != __last1; ++__first1, ++__first2)
|
|
if (*__first1 != *__first2)
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
template <class _InputIter1, class _InputIter2, class _BinaryPredicate>
|
|
inline bool equal(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _BinaryPredicate __binary_pred) {
|
|
for ( ; __first1 != __last1; ++__first1, ++__first2)
|
|
if (!__binary_pred(*__first1, *__first2))
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
//--------------------------------------------------
|
|
// lexicographical_compare and lexicographical_compare_3way.
|
|
// (the latter is not part of the C++ standard.)
|
|
|
|
template <class _InputIter1, class _InputIter2>
|
|
bool lexicographical_compare(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2) {
|
|
for ( ; __first1 != __last1 && __first2 != __last2
|
|
; ++__first1, ++__first2) {
|
|
if (*__first1 < *__first2)
|
|
return true;
|
|
if (*__first2 < *__first1)
|
|
return false;
|
|
}
|
|
return __first1 == __last1 && __first2 != __last2;
|
|
}
|
|
|
|
template <class _InputIter1, class _InputIter2, class _Compare>
|
|
bool lexicographical_compare(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2,
|
|
_Compare __comp) {
|
|
for ( ; __first1 != __last1 && __first2 != __last2
|
|
; ++__first1, ++__first2) {
|
|
if (__comp(*__first1, *__first2))
|
|
return true;
|
|
if (__comp(*__first2, *__first1))
|
|
return false;
|
|
}
|
|
return __first1 == __last1 && __first2 != __last2;
|
|
}
|
|
|
|
inline bool
|
|
lexicographical_compare(const unsigned char* __first1,
|
|
const unsigned char* __last1,
|
|
const unsigned char* __first2,
|
|
const unsigned char* __last2)
|
|
{
|
|
const size_t __len1 = __last1 - __first1;
|
|
const size_t __len2 = __last2 - __first2;
|
|
const int __result = memcmp(__first1, __first2, min(__len1, __len2));
|
|
return __result != 0 ? __result < 0 : __len1 < __len2;
|
|
}
|
|
|
|
inline bool lexicographical_compare(const char* __first1, const char* __last1,
|
|
const char* __first2, const char* __last2)
|
|
{
|
|
#if CHAR_MAX == SCHAR_MAX
|
|
return lexicographical_compare((const signed char*) __first1,
|
|
(const signed char*) __last1,
|
|
(const signed char*) __first2,
|
|
(const signed char*) __last2);
|
|
#else /* CHAR_MAX == SCHAR_MAX */
|
|
return lexicographical_compare((const unsigned char*) __first1,
|
|
(const unsigned char*) __last1,
|
|
(const unsigned char*) __first2,
|
|
(const unsigned char*) __last2);
|
|
#endif /* CHAR_MAX == SCHAR_MAX */
|
|
}
|
|
|
|
template <class _InputIter1, class _InputIter2>
|
|
int __lexicographical_compare_3way(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2)
|
|
{
|
|
while (__first1 != __last1 && __first2 != __last2) {
|
|
if (*__first1 < *__first2)
|
|
return -1;
|
|
if (*__first2 < *__first1)
|
|
return 1;
|
|
++__first1;
|
|
++__first2;
|
|
}
|
|
if (__first2 == __last2) {
|
|
return !(__first1 == __last1);
|
|
}
|
|
else {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
inline int
|
|
__lexicographical_compare_3way(const unsigned char* __first1,
|
|
const unsigned char* __last1,
|
|
const unsigned char* __first2,
|
|
const unsigned char* __last2)
|
|
{
|
|
const ptrdiff_t __len1 = __last1 - __first1;
|
|
const ptrdiff_t __len2 = __last2 - __first2;
|
|
const int __result = memcmp(__first1, __first2, min(__len1, __len2));
|
|
return __result != 0 ? __result
|
|
: (__len1 == __len2 ? 0 : (__len1 < __len2 ? -1 : 1));
|
|
}
|
|
|
|
inline int
|
|
__lexicographical_compare_3way(const char* __first1, const char* __last1,
|
|
const char* __first2, const char* __last2)
|
|
{
|
|
#if CHAR_MAX == SCHAR_MAX
|
|
return __lexicographical_compare_3way(
|
|
(const signed char*) __first1,
|
|
(const signed char*) __last1,
|
|
(const signed char*) __first2,
|
|
(const signed char*) __last2);
|
|
#else
|
|
return __lexicographical_compare_3way((const unsigned char*) __first1,
|
|
(const unsigned char*) __last1,
|
|
(const unsigned char*) __first2,
|
|
(const unsigned char*) __last2);
|
|
#endif
|
|
}
|
|
|
|
template <class _InputIter1, class _InputIter2>
|
|
int lexicographical_compare_3way(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2)
|
|
{
|
|
return __lexicographical_compare_3way(__first1, __last1, __first2, __last2);
|
|
}
|
|
|
|
__STL_END_NAMESPACE
|
|
|
|
#endif /* __SGI_STL_INTERNAL_ALGOBASE_H */
|
|
|
|
// Local Variables:
|
|
// mode:C++
|
|
// End:
|