1 /*
2  *
3  * Copyright (c) 1996,1997
4  * Silicon Graphics Computer Systems, Inc.
5  *
6  * Copyright (c) 1997
7  * Moscow Center for SPARC Technology
8  *
9  * Copyright (c) 1999
10  * Boris Fomitchev
11  *
12  * This material is provided "as is", with absolutely no warranty expressed
13  * or implied. Any use is at your own risk.
14  *
15  * Permission to use or copy this software for any purpose is hereby granted
16  * without fee, provided the above notices are retained on all copies.
17  * Permission to modify the code and to distribute modified code is granted,
18  * provided the above notices are retained, and a notice that the code was
19  * modified is included with the above copyright notice.
20  *
21  */
22 
23 /* NOTE: This is an internal header file, included by other STL headers.
24  *   You should not attempt to use it directly.
25  */
26 
27 #ifndef _STLP_INTERNAL_SLIST_H
28 #define _STLP_INTERNAL_SLIST_H
29 
30 #ifndef _STLP_INTERNAL_ALGOBASE_H
31 #  include <stl/_algobase.h>
32 #endif
33 
34 #ifndef _STLP_INTERNAL_ALLOC_H
35 #  include <stl/_alloc.h>
36 #endif
37 
38 #ifndef _STLP_INTERNAL_ITERATOR_H
39 #  include <stl/_iterator.h>
40 #endif
41 
42 #ifndef _STLP_INTERNAL_CONSTRUCT_H
43 #  include <stl/_construct.h>
44 #endif
45 
46 #ifndef _STLP_INTERNAL_FUNCTION_BASE_H
47 #  include <stl/_function_base.h>
48 #endif
49 
50 #ifndef _STLP_INTERNAL_SLIST_BASE_H
51 #  include <stl/_slist_base.h>
52 #endif
53 
54 _STLP_BEGIN_NAMESPACE
55 
56 _STLP_MOVE_TO_PRIV_NAMESPACE
57 
58 template <class _Tp>
59 class _Slist_node : public _Slist_node_base {
60 public:
61   _Tp _M_data;
62   __TRIVIAL_STUFF(_Slist_node)
63 };
64 
65 struct _Slist_iterator_base {
66   typedef size_t               size_type;
67   typedef ptrdiff_t            difference_type;
68   typedef forward_iterator_tag iterator_category;
69 
70   _Slist_node_base *_M_node;
71 
_Slist_iterator_base_Slist_iterator_base72   _Slist_iterator_base(_Slist_node_base *__x) : _M_node(__x) {}
73 
_M_incr_Slist_iterator_base74   void _M_incr() {
75     _M_node = _M_node->_M_next;
76   }
77 };
78 
79 template <class _Tp, class _Traits>
80 class _Slist_iterator : public _Slist_iterator_base {
81 public:
82   typedef typename _Traits::value_type value_type;
83   typedef typename _Traits::pointer    pointer;
84   typedef typename _Traits::reference  reference;
85   typedef forward_iterator_tag iterator_category;
86   typedef size_t size_type;
87   typedef ptrdiff_t difference_type;
88 
89   typedef _Slist_iterator<_Tp, _Traits>         _Self;
90   typedef typename _Traits::_NonConstTraits     _NonConstTraits;
91   typedef _Slist_iterator<_Tp, _NonConstTraits> iterator;
92   typedef typename _Traits::_ConstTraits        _ConstTraits;
93   typedef _Slist_iterator<_Tp, _ConstTraits>    const_iterator;
94 
95   typedef _Slist_node<value_type> _Node;
96 
_Slist_iterator(_Slist_node_base * __x)97   explicit _Slist_iterator(_Slist_node_base *__x) : _Slist_iterator_base(__x) {}
_Slist_iterator()98   _Slist_iterator() : _Slist_iterator_base(0) {}
99   //copy constructor for iterator and constructor from iterator for const_iterator
_Slist_iterator(const iterator & __x)100   _Slist_iterator(const iterator& __x) : _Slist_iterator_base(__x._M_node) {}
101 
102   reference operator*() const { return __STATIC_CAST(_Node*, this->_M_node)->_M_data; }
103 
104   _STLP_DEFINE_ARROW_OPERATOR
105 
106   _Self& operator++() {
107     _M_incr();
108     return *this;
109   }
110   _Self operator++(int) {
111     _Self __tmp = *this;
112     _M_incr();
113     return __tmp;
114   }
115 
116   bool operator==(const_iterator __y ) const {
117     return this->_M_node == __y._M_node;
118   }
119   bool operator!=(const_iterator __y ) const {
120     return this->_M_node != __y._M_node;
121   }
122 };
123 
124 #if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION)
125 _STLP_MOVE_TO_STD_NAMESPACE
126 template <class _Tp, class _Traits>
127 struct __type_traits<_STLP_PRIV _Slist_iterator<_Tp, _Traits> > {
128   typedef __false_type   has_trivial_default_constructor;
129   typedef __true_type    has_trivial_copy_constructor;
130   typedef __true_type    has_trivial_assignment_operator;
131   typedef __true_type    has_trivial_destructor;
132   typedef __false_type   is_POD_type;
133 };
134 _STLP_MOVE_TO_PRIV_NAMESPACE
135 #endif /* _STLP_CLASS_PARTIAL_SPECIALIZATION */
136 
137 #if defined (_STLP_USE_OLD_HP_ITERATOR_QUERIES)
138 _STLP_MOVE_TO_STD_NAMESPACE
139 template <class _Tp, class _Traits>
140 inline _Tp* _STLP_CALL value_type(const _STLP_PRIV _Slist_iterator<_Tp, _Traits>&) { return __STATIC_CAST(_Tp*, 0); }
141 inline ptrdiff_t* _STLP_CALL distance_type(const _STLP_PRIV _Slist_iterator_base&) { return 0; }
142 inline forward_iterator_tag _STLP_CALL iterator_category(const _STLP_PRIV _Slist_iterator_base&) { return forward_iterator_tag(); }
143 _STLP_MOVE_TO_PRIV_NAMESPACE
144 #endif /* OLD_QUERIES */
145 
146 // Base class that encapsulates details of allocators and simplifies EH
147 template <class _Tp, class _Alloc>
148 class _Slist_base {
149 protected:
150   typedef _Slist_node<_Tp> _Node;
151   typedef typename _Alloc_traits<_Node,_Alloc>::allocator_type _M_node_allocator_type;
152   typedef _Slist_base<_Tp, _Alloc> _Self;
153 
154 public:
155   typedef _STLP_alloc_proxy<_Slist_node_base, _Node, _M_node_allocator_type> _AllocProxy;
156 
157   _STLP_FORCE_ALLOCATORS(_Tp, _Alloc)
158   typedef _Alloc allocator_type;
159 
160   _Slist_base(const allocator_type& __a) :
161     _M_head(_STLP_CONVERT_ALLOCATOR(__a, _Node), _Slist_node_base() )
162   { _M_head._M_data._M_next = 0; }
163 
164 #if !defined (_STLP_NO_MOVE_SEMANTIC)
165   _Slist_base(__move_source<_Self> src) :
166     _M_head(__move_source<_AllocProxy>(src.get()._M_head))
167   { src.get()._M_head._M_data._M_next = 0; }
168 #endif
169 
170   ~_Slist_base() { _M_erase_after(&_M_head._M_data, 0); }
171 
172 protected:
173   _Slist_node_base* _M_erase_after(_Slist_node_base* __pos) {
174     _Node* __next = __STATIC_CAST(_Node*, __pos->_M_next);
175     _Slist_node_base* __next_next = __next->_M_next;
176     __pos->_M_next = __next_next;
177     _STLP_STD::_Destroy(&__next->_M_data);
178     _M_head.deallocate(__next,1);
179     return __next_next;
180   }
181   _Slist_node_base* _M_erase_after(_Slist_node_base*, _Slist_node_base*);
182 
183 public:
184   allocator_type get_allocator() const
185   { return _STLP_CONVERT_ALLOCATOR((const _M_node_allocator_type&)_M_head, _Tp); }
186   _AllocProxy _M_head;
187 };
188 
189 #if defined (_STLP_USE_PTR_SPECIALIZATIONS)
190 #  define slist _STLP_PTR_IMPL_NAME(slist)
191 #elif defined (_STLP_DEBUG)
192 #  define slist _STLP_NON_DBG_NAME(slist)
193 #else
194 _STLP_MOVE_TO_STD_NAMESPACE
195 #endif
196 
197 template <class _Tp, _STLP_DFL_TMPL_PARAM(_Alloc, allocator<_Tp>) >
198 class slist;
199 
200 #if !defined (slist)
201 _STLP_MOVE_TO_PRIV_NAMESPACE
202 #endif
203 
204 // helper functions to reduce code duplication
205 template <class _Tp, class _Alloc, class _BinaryPredicate>
206 void _Slist_unique(slist<_Tp, _Alloc>& __that, _BinaryPredicate __binary_pred);
207 
208 template <class _Tp, class _Alloc, class _StrictWeakOrdering>
209 void _Slist_merge(slist<_Tp, _Alloc>& __that, slist<_Tp, _Alloc>& __x,
210                   _StrictWeakOrdering __comp);
211 
212 template <class _Tp, class _Alloc, class _StrictWeakOrdering>
213 void _Slist_sort(slist<_Tp, _Alloc>& __that, _StrictWeakOrdering __comp);
214 
215 #if !defined (slist)
216 _STLP_MOVE_TO_STD_NAMESPACE
217 #endif
218 
219 template <class _Tp, class _Alloc>
220 class slist : protected _STLP_PRIV _Slist_base<_Tp,_Alloc>
221 #if defined (_STLP_USE_PARTIAL_SPEC_WORKAROUND) && !defined (slist)
222             , public __stlport_class<slist<_Tp, _Alloc> >
223 #endif
224 {
225 private:
226   typedef _STLP_PRIV _Slist_base<_Tp,_Alloc> _Base;
227   typedef slist<_Tp,_Alloc> _Self;
228 public:
229   typedef _Tp                value_type;
230 
231   typedef value_type*       pointer;
232   typedef const value_type* const_pointer;
233   typedef value_type&       reference;
234   typedef const value_type& const_reference;
235   typedef size_t            size_type;
236   typedef ptrdiff_t         difference_type;
237   typedef forward_iterator_tag _Iterator_category;
238 
239   typedef _STLP_PRIV _Slist_iterator<_Tp, _Nonconst_traits<_Tp> > iterator;
240   typedef _STLP_PRIV _Slist_iterator<_Tp, _Const_traits<_Tp> >    const_iterator;
241 
242   _STLP_FORCE_ALLOCATORS(_Tp, _Alloc)
243   typedef typename _Base::allocator_type allocator_type;
244 
245 private:
246   typedef _STLP_PRIV _Slist_node<_Tp> _Node;
247   typedef _STLP_PRIV _Slist_node_base _Node_base;
248 
249 #if !defined(_STLP_DONT_SUP_DFLT_PARAM)
250   _Node* _M_create_node(const value_type& __x = _Tp()) {
251 #else
252   _Node* _M_create_node(const value_type& __x) {
253 #endif /*_STLP_DONT_SUP_DFLT_PARAM*/
254     _Node* __node = this->_M_head.allocate(1);
255     _STLP_TRY {
256       _Copy_Construct(&__node->_M_data, __x);
257       __node->_M_next = 0;
258     }
259     _STLP_UNWIND(this->_M_head.deallocate(__node, 1))
260     return __node;
261   }
262 
263 #if defined(_STLP_DONT_SUP_DFLT_PARAM)
264   _Node* _M_create_node() {
265     _Node* __node = this->_M_head.allocate(1);
266     _STLP_TRY {
267       _STLP_STD::_Construct(&__node->_M_data);
268       __node->_M_next = 0;
269     }
270     _STLP_UNWIND(this->_M_head.deallocate(__node, 1))
271     return __node;
272   }
273 #endif /*_STLP_DONT_SUP_DFLT_PARAM*/
274 
275 public:
276 
277   allocator_type get_allocator() const { return _Base::get_allocator(); }
278 
279 #if !defined (_STLP_DONT_SUP_DFLT_PARAM)
280   explicit slist(const allocator_type& __a = allocator_type())
281 #else
282   slist()
283     : _STLP_PRIV _Slist_base<_Tp,_Alloc>(allocator_type()) {}
284   slist(const allocator_type& __a)
285 #endif
286     : _STLP_PRIV _Slist_base<_Tp,_Alloc>(__a) {}
287 
288 #if !defined (_STLP_DONT_SUP_DFLT_PARAM)
289   explicit slist(size_type __n, const value_type& __x = _STLP_DEFAULT_CONSTRUCTED(_Tp),
290                  const allocator_type& __a =  allocator_type())
291 #else
292   explicit slist(size_type __n)
293     : _STLP_PRIV _Slist_base<_Tp,_Alloc>(allocator_type())
294     { _M_insert_after_fill(&this->_M_head._M_data, __n, _STLP_DEFAULT_CONSTRUCTED(_Tp)); }
295   slist(size_type __n, const value_type& __x)
296     : _STLP_PRIV _Slist_base<_Tp,_Alloc>(allocator_type())
297     { _M_insert_after_fill(&this->_M_head._M_data, __n, __x); }
298   slist(size_type __n, const value_type& __x, const allocator_type& __a)
299 #endif
300     : _STLP_PRIV _Slist_base<_Tp,_Alloc>(__a)
301     { _M_insert_after_fill(&this->_M_head._M_data, __n, __x); }
302 
303 #if defined (_STLP_MEMBER_TEMPLATES)
304   // We don't need any dispatching tricks here, because _M_insert_after_range
305   // already does them.
306   template <class _InputIterator>
307   slist(_InputIterator __first, _InputIterator __last,
308         const allocator_type& __a _STLP_ALLOCATOR_TYPE_DFL)
309     : _STLP_PRIV _Slist_base<_Tp,_Alloc>(__a)
310     { _M_insert_after_range(&this->_M_head._M_data, __first, __last); }
311 #  if defined (_STLP_NEEDS_EXTRA_TEMPLATE_CONSTRUCTORS)
312   // VC++ needs this crazyness
313   template <class _InputIterator>
314   slist(_InputIterator __first, _InputIterator __last)
315     : _STLP_PRIV _Slist_base<_Tp,_Alloc>(allocator_type())
316     { _M_insert_after_range(&this->_M_head._M_data, __first, __last); }
317 # endif
318 #else /* _STLP_MEMBER_TEMPLATES */
319   slist(const_iterator __first, const_iterator __last,
320         const allocator_type& __a =  allocator_type() )
321     : _STLP_PRIV _Slist_base<_Tp,_Alloc>(__a)
322     { _M_insert_after_range(&this->_M_head._M_data, __first, __last); }
323   slist(const value_type* __first, const value_type* __last,
324         const allocator_type& __a =  allocator_type())
325     : _STLP_PRIV _Slist_base<_Tp,_Alloc>(__a)
326     { _M_insert_after_range(&this->_M_head._M_data, __first, __last); }
327 #endif /* _STLP_MEMBER_TEMPLATES */
328 
329   slist(const _Self& __x)
330     : _STLP_PRIV _Slist_base<_Tp,_Alloc>(__x.get_allocator())
331     { _M_insert_after_range(&this->_M_head._M_data, __x.begin(), __x.end()); }
332 
333 #if !defined (_STLP_NO_MOVE_SEMANTIC)
334   slist(__move_source<_Self> src)
335     : _STLP_PRIV _Slist_base<_Tp, _Alloc>(__move_source<_Base>(src.get())) {}
336 #endif
337 
338   _Self& operator= (const _Self& __x);
339 
340   ~slist() {}
341 
342 public:
343   // assign(), a generalized assignment member function.  Two
344   // versions: one that takes a count, and one that takes a range.
345   // The range version is a member template, so we dispatch on whether
346   // or not the type is an integer.
347 
348   void assign(size_type __n, const _Tp& __val) { _M_fill_assign(__n, __val); }
349 
350 private:
351   void _M_fill_assign(size_type __n, const _Tp& __val);
352 
353 #if defined (_STLP_MEMBER_TEMPLATES)
354 public:
355   template <class _InputIterator>
356   void assign(_InputIterator __first, _InputIterator __last) {
357     typedef typename _IsIntegral<_InputIterator>::_Ret _Integral;
358     _M_assign_dispatch(__first, __last, _Integral());
359   }
360 
361 private:
362   template <class _Integer>
363   void _M_assign_dispatch(_Integer __n, _Integer __val,
364                           const __true_type& /*_IsIntegral*/) {
365     _M_fill_assign((size_type) __n, (_Tp) __val);
366   }
367 
368   template <class _InputIter>
369   void _M_assign_dispatch(_InputIter __first, _InputIter __last,
370                           const __false_type& /*_IsIntegral*/) {
371 #else
372 public:
373   void assign(const_pointer __first, const_pointer __last) {
374     _Node_base* __prev = &this->_M_head._M_data;
375     _Node_base* __node = this->_M_head._M_data._M_next;
376     while (__node != 0 && __first != __last) {
377       __STATIC_CAST(_Node*, __node)->_M_data = *__first;
378       __prev = __node;
379       __node = __node->_M_next;
380       ++__first;
381     }
382     if (__first != __last)
383       _M_insert_after_range(__prev, __first, __last);
384     else
385       this->_M_erase_after(__prev, 0);
386   }
387   void assign(const_iterator __first, const_iterator __last) {
388 #endif /* _STLP_MEMBER_TEMPLATES */
389     _Node_base* __prev = &this->_M_head._M_data;
390     _Node_base* __node = this->_M_head._M_data._M_next;
391     while (__node != 0 && __first != __last) {
392       __STATIC_CAST(_Node*, __node)->_M_data = *__first;
393       __prev = __node;
394       __node = __node->_M_next;
395       ++__first;
396     }
397     if (__first != __last)
398       _M_insert_after_range(__prev, __first, __last);
399     else
400       this->_M_erase_after(__prev, 0);
401   }
402 
403 public:
404 
405   // Experimental new feature: before_begin() returns a
406   // non-dereferenceable iterator that, when incremented, yields
407   // begin().  This iterator may be used as the argument to
408   // insert_after, erase_after, etc.  Note that even for an empty
409   // slist, before_begin() is not the same iterator as end().  It
410   // is always necessary to increment before_begin() at least once to
411   // obtain end().
412   iterator before_begin() { return iterator(&this->_M_head._M_data); }
413   const_iterator before_begin() const
414     { return const_iterator(__CONST_CAST(_Node_base*, &this->_M_head._M_data)); }
415 
416   iterator begin() { return iterator(this->_M_head._M_data._M_next); }
417   const_iterator begin() const
418     { return const_iterator(this->_M_head._M_data._M_next);}
419 
420   iterator end() { return iterator(); }
421   const_iterator end() const { return const_iterator(); }
422 
423   size_type size() const
424   { return _STLP_PRIV _Sl_global_inst::size(this->_M_head._M_data._M_next); }
425 
426   size_type max_size() const { return size_type(-1); }
427 
428   bool empty() const { return this->_M_head._M_data._M_next == 0; }
429 
430   void swap(_Self& __x)
431   { this->_M_head.swap(__x._M_head); }
432 #if defined (_STLP_USE_PARTIAL_SPEC_WORKAROUND) && !defined (_STLP_FUNCTION_TMPL_PARTIAL_ORDER)
433   void _M_swap_workaround(_Self& __x) { swap(__x); }
434 #endif
435 
436 public:
437   reference front()             { return *begin(); }
438   const_reference front() const { return *begin(); }
439 #if !defined (_STLP_DONT_SUP_DFLT_PARAM) && !defined (_STLP_NO_ANACHRONISMS)
440   void push_front(const value_type& __x = _Tp())   {
441 #else
442   void push_front(const value_type& __x)   {
443 #endif /*!_STLP_DONT_SUP_DFLT_PARAM && !_STLP_NO_ANACHRONISMS*/
444     _STLP_PRIV __slist_make_link(&this->_M_head._M_data, _M_create_node(__x));
445   }
446 
447 #if defined (_STLP_DONT_SUP_DFLT_PARAM) && !defined (_STLP_NO_ANACHRONISMS)
448   void push_front() { _STLP_PRIV __slist_make_link(&this->_M_head._M_data, _M_create_node());}
449 #endif /*_STLP_DONT_SUP_DFLT_PARAM && !_STLP_NO_ANACHRONISMS*/
450 
451   void pop_front() {
452     _Node* __node = __STATIC_CAST(_Node*, this->_M_head._M_data._M_next);
453     this->_M_head._M_data._M_next = __node->_M_next;
454     _STLP_STD::_Destroy(&__node->_M_data);
455     this->_M_head.deallocate(__node, 1);
456   }
457 
458   iterator previous(const_iterator __pos) {
459     return iterator(_STLP_PRIV _Sl_global_inst::__previous(&this->_M_head._M_data, __pos._M_node));
460   }
461   const_iterator previous(const_iterator __pos) const {
462     return const_iterator(__CONST_CAST(_Node_base*,
463                                        _STLP_PRIV _Sl_global_inst::__previous(&this->_M_head._M_data,
464                                                                                __pos._M_node)));
465   }
466 
467 private:
468 #if !defined (_STLP_DONT_SUP_DFLT_PARAM)
469   _Node* _M_insert_after(_Node_base* __pos, const value_type& __x = _Tp()) {
470 #else
471   _Node* _M_insert_after(_Node_base* __pos, const value_type& __x) {
472 #endif /*_STLP_DONT_SUP_DFLT_PARAM*/
473     return __STATIC_CAST(_Node*, _STLP_PRIV __slist_make_link(__pos, _M_create_node(__x)));
474   }
475 
476 #if defined (_STLP_DONT_SUP_DFLT_PARAM)
477   _Node* _M_insert_after(_Node_base* __pos) {
478     return __STATIC_CAST(_Node*, _STLP_PRIV __slist_make_link(__pos, _M_create_node()));
479   }
480 #endif /*_STLP_DONT_SUP_DFLT_PARAM*/
481 
482   void _M_insert_after_fill(_Node_base* __pos,
483                             size_type __n, const value_type& __x) {
484     for (size_type __i = 0; __i < __n; ++__i)
485       __pos = _STLP_PRIV __slist_make_link(__pos, _M_create_node(__x));
486   }
487 
488 #if defined (_STLP_MEMBER_TEMPLATES)
489   // Check whether it's an integral type.  If so, it's not an iterator.
490   template <class _InIter>
491   void _M_insert_after_range(_Node_base* __pos,
492                              _InIter __first, _InIter __last) {
493     typedef typename _IsIntegral<_InIter>::_Ret _Integral;
494     _M_insert_after_range(__pos, __first, __last, _Integral());
495   }
496 
497   template <class _Integer>
498   void _M_insert_after_range(_Node_base* __pos, _Integer __n, _Integer __x,
499                              const __true_type&) {
500     _M_insert_after_fill(__pos, __n, __x);
501   }
502 
503   template <class _InIter>
504   void _M_insert_after_range(_Node_base* __pos,
505                              _InIter __first, _InIter __last,
506                              const __false_type&) {
507 #else /* _STLP_MEMBER_TEMPLATES */
508   void _M_insert_after_range(_Node_base* __pos,
509                              const value_type* __first,
510                              const value_type* __last) {
511     while (__first != __last) {
512       __pos = _STLP_PRIV __slist_make_link(__pos, _M_create_node(*__first));
513       ++__first;
514     }
515   }
516   void _M_insert_after_range(_Node_base* __pos,
517                              const_iterator __first, const_iterator __last) {
518 #endif /* _STLP_MEMBER_TEMPLATES */
519     while (__first != __last) {
520       __pos = _STLP_PRIV __slist_make_link(__pos, _M_create_node(*__first));
521       ++__first;
522     }
523   }
524 
525 #if defined (_STLP_MEMBER_TEMPLATES)
526   // Check whether it's an integral type.  If so, it's not an iterator.
527   template <class _InIter>
528   void _M_splice_after_range(_Node_base* __pos,
529                              _InIter __first, _InIter __last) {
530     typedef typename _IsIntegral<_InIter>::_Ret _Integral;
531     _M_splice_after_range(__pos, __first, __last, _Integral());
532   }
533 
534   template <class _Integer>
535   void _M_splice_after_range(_Node_base* __pos, _Integer __n, _Integer __x,
536                              const __true_type&) {
537     _M_insert_after_fill(__pos, __n, __x);
538   }
539 
540   template <class _InIter>
541   void _M_splice_after_range(_Node_base* __pos,
542                              _InIter __first, _InIter __last,
543                              const __false_type&) {
544 #else /* _STLP_MEMBER_TEMPLATES */
545   void _M_splice_after_range(_Node_base* __pos,
546                              const value_type* __first,
547                              const value_type* __last) {
548     while (__first != __last) {
549       __pos = _STLP_PRIV __slist_make_link(__pos, _M_create_node(*__first));
550       ++__first;
551     }
552   }
553   void _M_splice_after_range(_Node_base* __pos,
554                              const_iterator __first, const_iterator __last) {
555 #endif /* _STLP_MEMBER_TEMPLATES */
556     //We use a temporary slist to avoid the auto reference troubles (infinite loop)
557     _Self __tmp(__first, __last, this->get_allocator());
558     splice_after(iterator(__pos), __tmp);
559   }
560 
561 #if defined (_STLP_MEMBER_TEMPLATES)
562   // Check whether it's an integral type.  If so, it's not an iterator.
563   template <class _InIter>
564   void _M_splice_range(_Node_base* __pos,
565                        _InIter __first, _InIter __last) {
566     typedef typename _IsIntegral<_InIter>::_Ret _Integral;
567     _M_splice_range(__pos, __first, __last, _Integral());
568   }
569 
570   template <class _Integer>
571   void _M_splice_range(_Node_base* __pos, _Integer __n, _Integer __x,
572                        const __true_type&) {
573     _M_insert_after_fill(_STLP_PRIV _Sl_global_inst::__previous(&this->_M_head._M_data, __pos),
574                          __n, __x);
575   }
576 
577   template <class _InIter>
578   void _M_splice_range(_Node_base* __pos,
579                        _InIter __first, _InIter __last,
580                        const __false_type&) {
581 #else /* _STLP_MEMBER_TEMPLATES */
582   void _M_splice_range(_Node_base* __pos,
583                        const value_type* __first,
584                        const value_type* __last) {
585     while (__first != __last) {
586       __pos = _STLP_PRIV __slist_make_link(__pos, _M_create_node(*__first));
587       ++__first;
588     }
589   }
590   void _M_splice_range(_Node_base* __pos,
591                        const_iterator __first, const_iterator __last) {
592 #endif /* _STLP_MEMBER_TEMPLATES */
593     //We use a temporary slist to avoid the auto reference troubles (infinite loop)
594     _Self __tmp(__first, __last, this->get_allocator());
595     splice(iterator(__pos), __tmp);
596   }
597 
598 public:
599 
600 #if !defined (_STLP_DONT_SUP_DFLT_PARAM)
601   iterator insert_after(iterator __pos, const value_type& __x = _Tp()) {
602 #else
603   iterator insert_after(iterator __pos, const value_type& __x) {
604 #endif /*_STLP_DONT_SUP_DFLT_PARAM*/
605     return iterator(_M_insert_after(__pos._M_node, __x));
606   }
607 
608 #if defined (_STLP_DONT_SUP_DFLT_PARAM)
609   iterator insert_after(iterator __pos) {
610     return insert_after(__pos, _STLP_DEFAULT_CONSTRUCTED(_Tp));
611   }
612 #endif /*_STLP_DONT_SUP_DFLT_PARAM*/
613 
614   void insert_after(iterator __pos, size_type __n, const value_type& __x) {
615     _M_insert_after_fill(__pos._M_node, __n, __x);
616   }
617 
618 #if defined (_STLP_MEMBER_TEMPLATES)
619   // We don't need any dispatching tricks here, because _M_insert_after_range
620   // already does them.
621   template <class _InIter>
622   void insert_after(iterator __pos, _InIter __first, _InIter __last) {
623 #else /* _STLP_MEMBER_TEMPLATES */
624   void insert_after(iterator __pos,
625                     const value_type* __first, const value_type* __last) {
626     _M_insert_after_range(__pos._M_node, __first, __last);
627   }
628   void insert_after(iterator __pos,
629                     const_iterator __first, const_iterator __last) {
630 #endif /* _STLP_MEMBER_TEMPLATES */
631     _M_splice_after_range(__pos._M_node, __first, __last);
632   }
633 
634 #if !defined (_STLP_DONT_SUP_DFLT_PARAM)
635   iterator insert(iterator __pos, const value_type& __x = _Tp()) {
636 #else
637   iterator insert(iterator __pos, const value_type& __x) {
638 #endif /*_STLP_DONT_SUP_DFLT_PARAM*/
639     return iterator(_M_insert_after(_STLP_PRIV _Sl_global_inst::__previous(&this->_M_head._M_data, __pos._M_node),
640                     __x));
641   }
642 
643 #if defined (_STLP_DONT_SUP_DFLT_PARAM)
644   iterator insert(iterator __pos) {
645     return iterator(_M_insert_after(_STLP_PRIV _Sl_global_inst::__previous(&this->_M_head._M_data, __pos._M_node),
646                                     _STLP_DEFAULT_CONSTRUCTED(_Tp)));
647   }
648 #endif /*_STLP_DONT_SUP_DFLT_PARAM*/
649 
650   void insert(iterator __pos, size_type __n, const value_type& __x) {
651     _M_insert_after_fill(_STLP_PRIV _Sl_global_inst::__previous(&this->_M_head._M_data, __pos._M_node), __n, __x);
652   }
653 
654 #if defined (_STLP_MEMBER_TEMPLATES)
655   // We don't need any dispatching tricks here, because _M_insert_after_range
656   // already does them.
657   template <class _InIter>
658   void insert(iterator __pos, _InIter __first, _InIter __last) {
659 #else /* _STLP_MEMBER_TEMPLATES */
660   void insert(iterator __pos, const value_type* __first,
661                               const value_type* __last) {
662     _M_insert_after_range(_STLP_PRIV _Sl_global_inst::__previous(&this->_M_head._M_data, __pos._M_node),
663                           __first, __last);
664   }
665   void insert(iterator __pos, const_iterator __first, const_iterator __last) {
666 #endif /* _STLP_MEMBER_TEMPLATES */
667     _M_splice_range(__pos._M_node, __first, __last);
668   }
669 
670 public:
671   iterator erase_after(iterator __pos)
672   { return iterator(this->_M_erase_after(__pos._M_node)); }
673   iterator erase_after(iterator __before_first, iterator __last)
674   { return iterator(this->_M_erase_after(__before_first._M_node, __last._M_node)); }
675 
676   iterator erase(iterator __pos)
677   { return iterator(this->_M_erase_after(_STLP_PRIV _Sl_global_inst::__previous(&this->_M_head._M_data, __pos._M_node))); }
678   iterator erase(iterator __first, iterator __last)
679   { return iterator(this->_M_erase_after(_STLP_PRIV _Sl_global_inst::__previous(&this->_M_head._M_data, __first._M_node), __last._M_node)); }
680 
681 #if !defined (_STLP_DONT_SUP_DFLT_PARAM)
682   void resize(size_type new_size, const value_type& __x = _Tp());
683 #else
684   void resize(size_type new_size, const value_type& __x);
685 #endif /*_STLP_DONT_SUP_DFLT_PARAM*/
686 
687 #if defined (_STLP_DONT_SUP_DFLT_PARAM)
688   void resize(size_type new_size) { resize(new_size, _STLP_DEFAULT_CONSTRUCTED(_Tp)); }
689 #endif /*_STLP_DONT_SUP_DFLT_PARAM*/
690 
691   void clear()
692   { this->_M_erase_after(&this->_M_head._M_data, 0); }
693 
694 public:
695   // Moves the range [__before_first + 1, __before_last + 1) to *this,
696   //  inserting it immediately after __pos.  This is constant time.
697   void splice_after(iterator __pos, _Self& __x,
698                     iterator __before_first, iterator __before_last) {
699     if (__before_first != __before_last) {
700       if (this->get_allocator() == __x.get_allocator()) {
701         _STLP_PRIV _Sl_global_inst::__splice_after(__pos._M_node,
702                                                    __before_first._M_node, __before_last._M_node);
703       }
704       else {
705         this->insert_after(__pos, iterator(__before_first._M_node->_M_next), iterator(__before_last._M_node->_M_next));
706         __x.erase_after(__before_first, ++__before_last);
707       }
708     }
709   }
710 
711   // Moves the element that follows __prev to *this, inserting it immediately
712   //  after __pos.  This is constant time.
713   void splice_after(iterator __pos, _Self& __x, iterator __prev) {
714     if (this->get_allocator() == __x.get_allocator()) {
715       _STLP_PRIV _Sl_global_inst::__splice_after(__pos._M_node,
716                                                  __prev._M_node, __prev._M_node->_M_next);
717     }
718     else {
719       this->insert_after(__pos, __STATIC_CAST(_Node*, __prev._M_node->_M_next)->_M_data);
720       __x.erase_after(__prev);
721     }
722   }
723 
724   // Removes all of the elements from the list __x to *this, inserting
725   // them immediately after __pos.  __x must not be *this.  Complexity:
726   // linear in __x.size().
727   void splice_after(iterator __pos, _Self& __x) {
728     if (this->get_allocator() == __x.get_allocator())
729       _STLP_PRIV _Sl_global_inst::__splice_after(__pos._M_node, &__x._M_head._M_data);
730     else {
731       this->insert_after(__pos, __x.begin(), __x.end());
732       __x.clear();
733     }
734   }
735 
736   // Linear in distance(begin(), __pos), and linear in __x.size().
737   void splice(iterator __pos, _Self& __x) {
738     if (__x._M_head._M_data._M_next) {
739       if (this->get_allocator() == __x.get_allocator()) {
740         _STLP_PRIV _Sl_global_inst::__splice_after(_STLP_PRIV _Sl_global_inst::__previous(&this->_M_head._M_data, __pos._M_node),
741                                                    &__x._M_head._M_data,
742                                                    _STLP_PRIV _Sl_global_inst::__previous(&__x._M_head._M_data, 0));
743       }
744       else {
745         insert(__pos, __x.begin(), __x.end());
746         __x.clear();
747       }
748     }
749   }
750 
751   // Linear in distance(begin(), __pos), and in distance(__x.begin(), __i).
752   void splice(iterator __pos, _Self& __x, iterator __i) {
753     if (this->get_allocator() == __x.get_allocator()) {
754       _STLP_PRIV _Sl_global_inst::__splice_after(_STLP_PRIV _Sl_global_inst::__previous(&this->_M_head._M_data, __pos._M_node),
755                                                  _STLP_PRIV _Sl_global_inst::__previous(&__x._M_head._M_data, __i._M_node),
756                                                  __i._M_node);
757     }
758     else {
759       insert(__pos, *__i);
760       __x.erase(__i);
761     }
762   }
763 
764   // Linear in distance(begin(), __pos), in distance(__x.begin(), __first),
765   // and in distance(__first, __last).
766   void splice(iterator __pos, _Self& __x, iterator __first, iterator __last) {
767     if (__first != __last) {
768       if (this->get_allocator() == __x.get_allocator()) {
769         _STLP_PRIV _Sl_global_inst::__splice_after(_STLP_PRIV _Sl_global_inst::__previous(&this->_M_head._M_data, __pos._M_node),
770                                                    _STLP_PRIV _Sl_global_inst::__previous(&__x._M_head._M_data, __first._M_node),
771                                                    _STLP_PRIV _Sl_global_inst::__previous(__first._M_node, __last._M_node));
772       }
773       else {
774         insert(__pos, __first, __last);
775         __x.erase(__first, __last);
776       }
777     }
778   }
779 
780 public:
781   void reverse() {
782     if (this->_M_head._M_data._M_next)
783       this->_M_head._M_data._M_next = _STLP_PRIV _Sl_global_inst::__reverse(this->_M_head._M_data._M_next);
784   }
785 
786   void remove(const _Tp& __val);
787 
788   void unique() { _STLP_PRIV _Slist_unique(*this, equal_to<value_type>()); }
789   void merge(_Self& __x) { _STLP_PRIV _Slist_merge(*this, __x, less<value_type>()); }
790   void sort() { _STLP_PRIV _Slist_sort(*this, less<value_type>()); }
791 
792 #if defined (_STLP_MEMBER_TEMPLATES)
793   template <class _Predicate>
794   void remove_if(_Predicate __pred) {
795     _Node_base* __cur = &this->_M_head._M_data;
796     while (__cur->_M_next) {
797       if (__pred(__STATIC_CAST(_Node*, __cur->_M_next)->_M_data))
798         this->_M_erase_after(__cur);
799       else
800         __cur = __cur->_M_next;
801     }
802   }
803 
804   template <class _BinaryPredicate>
805   void unique(_BinaryPredicate __pred)
806   { _STLP_PRIV _Slist_unique(*this, __pred); }
807 
808   template <class _StrictWeakOrdering>
809   void merge(_Self& __x, _StrictWeakOrdering __comp)
810   { _STLP_PRIV _Slist_merge(*this, __x, __comp); }
811 
812   template <class _StrictWeakOrdering>
813   void sort(_StrictWeakOrdering __comp)
814   { _STLP_PRIV _Slist_sort(*this, __comp); }
815 #endif /* _STLP_MEMBER_TEMPLATES */
816 };
817 
818 #if defined (slist)
819 #  undef slist
820 _STLP_MOVE_TO_STD_NAMESPACE
821 #endif
822 
823 _STLP_END_NAMESPACE
824 
825 #if !defined (_STLP_LINK_TIME_INSTANTIATION)
826 #  include <stl/_slist.c>
827 #endif
828 
829 #if defined (_STLP_USE_PTR_SPECIALIZATIONS)
830 #  include <stl/pointers/_slist.h>
831 #endif
832 
833 #if defined (_STLP_DEBUG)
834 #  include <stl/debug/_slist.h>
835 #endif
836 
837 _STLP_BEGIN_NAMESPACE
838 
839 template <class _Tp, class _Alloc>
840 inline bool  _STLP_CALL
841 operator == (const slist<_Tp,_Alloc>& _SL1, const slist<_Tp,_Alloc>& _SL2) {
842   typedef typename slist<_Tp,_Alloc>::const_iterator const_iterator;
843   const_iterator __end1 = _SL1.end();
844   const_iterator __end2 = _SL2.end();
845 
846   const_iterator __i1 = _SL1.begin();
847   const_iterator __i2 = _SL2.begin();
848   while (__i1 != __end1 && __i2 != __end2 && *__i1 == *__i2) {
849     ++__i1;
850     ++__i2;
851   }
852   return __i1 == __end1 && __i2 == __end2;
853 }
854 
855 #define _STLP_EQUAL_OPERATOR_SPECIALIZED
856 #define _STLP_TEMPLATE_HEADER    template <class _Tp, class _Alloc>
857 #define _STLP_TEMPLATE_CONTAINER slist<_Tp, _Alloc>
858 #include <stl/_relops_cont.h>
859 #undef _STLP_TEMPLATE_CONTAINER
860 #undef _STLP_TEMPLATE_HEADER
861 #undef _STLP_EQUAL_OPERATOR_SPECIALIZED
862 
863 #if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION)
864 #  if !defined (_STLP_NO_MOVE_SEMANTIC)
865 template <class _Tp, class _Alloc>
866 struct __move_traits<slist<_Tp, _Alloc> > {
867   typedef __true_type implemented;
868   typedef typename __move_traits<_Alloc>::complete complete;
869 };
870 #  endif
871 
872 // Specialization of insert_iterator so that insertions will be constant
873 // time rather than linear time.
874 template <class _Tp, class _Alloc>
875 class insert_iterator<slist<_Tp, _Alloc> > {
876 protected:
877   typedef slist<_Tp, _Alloc> _Container;
878   _Container* _M_container;
879   typename _Container::iterator _M_iter;
880 public:
881   typedef _Container          container_type;
882   typedef output_iterator_tag iterator_category;
883   typedef void                value_type;
884   typedef void                difference_type;
885   typedef void                pointer;
886   typedef void                reference;
887 
888   insert_iterator(_Container& __x, typename _Container::iterator __i)
889     : _M_container(&__x) {
890     if (__i == __x.begin())
891       _M_iter = __x.before_begin();
892     else
893       _M_iter = __x.previous(__i);
894   }
895 
896   insert_iterator<_Container>&
897   operator = (const typename _Container::value_type& __val) {
898     _M_iter = _M_container->insert_after(_M_iter, __val);
899     return *this;
900   }
901 
902   insert_iterator<_Container>& operator*() { return *this; }
903   insert_iterator<_Container>& operator++() { return *this; }
904   insert_iterator<_Container>& operator++(int) { return *this; }
905 };
906 #endif /* _STLP_CLASS_PARTIAL_SPECIALIZATION */
907 
908 _STLP_END_NAMESPACE
909 
910 #endif /* _STLP_INTERNAL_SLIST_H */
911 
912 // Local Variables:
913 // mode:C++
914 // End:
915