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Name	Size	Permission
algorithmfwd.h	21.23 KB	-rw-r--r--
alloc_traits.h	20.98 KB	-rw-r--r--
allocated_ptr.h	3.22 KB	-rw-r--r--
allocator.h	7.76 KB	-rw-r--r--
atomic_base.h	24.41 KB	-rw-r--r--
atomic_futex.h	9.28 KB	-rw-r--r--
atomic_lockfree_defines.h	2.3 KB	-rw-r--r--
basic_ios.h	15.7 KB	-rw-r--r--
basic_ios.tcc	5.94 KB	-rw-r--r--
basic_string.h	241.28 KB	-rw-r--r--
basic_string.tcc	52.63 KB	-rw-r--r--
boost_concept_check.h	26.52 KB	-rw-r--r--
c++0x_warning.h	1.44 KB	-rw-r--r--
char_traits.h	24.25 KB	-rw-r--r--
codecvt.h	24.83 KB	-rw-r--r--
concept_check.h	3.34 KB	-rw-r--r--
cpp_type_traits.h	9.71 KB	-rw-r--r--
cxxabi_forced.h	1.77 KB	-rw-r--r--
cxxabi_init_exception.h	2.17 KB	-rw-r--r--
deque.tcc	33.6 KB	-rw-r--r--
enable_special_members.h	12.1 KB	-rw-r--r--
erase_if.h	1.99 KB	-rw-r--r--
exception.h	2.43 KB	-rw-r--r--
exception_defines.h	1.61 KB	-rw-r--r--
exception_ptr.h	5.84 KB	-rw-r--r--
forward_list.h	48.25 KB	-rw-r--r--
forward_list.tcc	13.55 KB	-rw-r--r--
fs_dir.h	14.81 KB	-rw-r--r--
fs_fwd.h	11.41 KB	-rw-r--r--
fs_ops.h	9.5 KB	-rw-r--r--
fs_path.h	36.09 KB	-rw-r--r--
fstream.tcc	32.87 KB	-rw-r--r--
functexcept.h	3.35 KB	-rw-r--r--
functional_hash.h	8.37 KB	-rw-r--r--
gslice.h	5.39 KB	-rw-r--r--
gslice_array.h	7.67 KB	-rw-r--r--
hash_bytes.h	2.1 KB	-rw-r--r--
hashtable.h	73.06 KB	-rw-r--r--
hashtable_policy.h	66.51 KB	-rw-r--r--
indirect_array.h	7.68 KB	-rw-r--r--
invoke.h	3.57 KB	-rw-r--r--
ios_base.h	30.7 KB	-rw-r--r--
istream.tcc	30.36 KB	-rw-r--r--
list.tcc	16.57 KB	-rw-r--r--
locale_classes.h	24.32 KB	-rw-r--r--
locale_classes.tcc	8.18 KB	-rw-r--r--
locale_conv.h	18.36 KB	-rw-r--r--
locale_facets.h	90.17 KB	-rw-r--r--
locale_facets.tcc	38.62 KB	-rw-r--r--
locale_facets_nonio.h	67.38 KB	-rw-r--r--
locale_facets_nonio.tcc	44.22 KB	-rw-r--r--
localefwd.h	5.8 KB	-rw-r--r--
mask_array.h	7.5 KB	-rw-r--r--
memoryfwd.h	2.4 KB	-rw-r--r--
move.h	6.38 KB	-rw-r--r--
nested_exception.h	4.69 KB	-rw-r--r--
node_handle.h	8.02 KB	-rw-r--r--
ostream.tcc	12.03 KB	-rw-r--r--
ostream_insert.h	3.91 KB	-rw-r--r--
parse_numbers.h	7.76 KB	-rw-r--r--
postypes.h	8.27 KB	-rw-r--r--
predefined_ops.h	8.87 KB	-rw-r--r--
ptr_traits.h	6.57 KB	-rw-r--r--
quoted_string.h	4.93 KB	-rw-r--r--
random.h	173.87 KB	-rw-r--r--
random.tcc	103.14 KB	-rw-r--r--
range_access.h	9.85 KB	-rw-r--r--
refwrap.h	12.62 KB	-rw-r--r--
regex.h	96.39 KB	-rw-r--r--
regex.tcc	16.19 KB	-rw-r--r--
regex_automaton.h	10.49 KB	-rw-r--r--
regex_automaton.tcc	7.54 KB	-rw-r--r--
regex_compiler.h	16.1 KB	-rw-r--r--
regex_compiler.tcc	18.49 KB	-rw-r--r--
regex_constants.h	14.36 KB	-rw-r--r--
regex_error.h	4.79 KB	-rw-r--r--
regex_executor.h	7.31 KB	-rw-r--r--
regex_executor.tcc	18.4 KB	-rw-r--r--
regex_scanner.h	6.92 KB	-rw-r--r--
regex_scanner.tcc	14.66 KB	-rw-r--r--
shared_ptr.h	23.65 KB	-rw-r--r--
shared_ptr_atomic.h	9.55 KB	-rw-r--r--
shared_ptr_base.h	52.51 KB	-rw-r--r--
slice_array.h	9.21 KB	-rw-r--r--
specfun.h	45.95 KB	-rw-r--r--
sstream.tcc	9.9 KB	-rw-r--r--
std_abs.h	3.3 KB	-rw-r--r--
std_function.h	23.01 KB	-rw-r--r--
std_mutex.h	4.66 KB	-rw-r--r--
stl_algo.h	210.37 KB	-rw-r--r--
stl_algobase.h	50.21 KB	-rw-r--r--
stl_bvector.h	33.09 KB	-rw-r--r--
stl_construct.h	7.22 KB	-rw-r--r--
stl_deque.h	78.24 KB	-rw-r--r--
stl_function.h	41.3 KB	-rw-r--r--
stl_heap.h	19.73 KB	-rw-r--r--
stl_iterator.h	41.75 KB	-rw-r--r--
stl_iterator_base_funcs.h	7.99 KB	-rw-r--r--
stl_iterator_base_types.h	8.48 KB	-rw-r--r--
stl_list.h	66.22 KB	-rw-r--r--
stl_map.h	52.24 KB	-rw-r--r--
stl_multimap.h	41.25 KB	-rw-r--r--
stl_multiset.h	35.63 KB	-rw-r--r--
stl_numeric.h	14.04 KB	-rw-r--r--
stl_pair.h	18.21 KB	-rw-r--r--
stl_queue.h	24 KB	-rw-r--r--
stl_raw_storage_iter.h	3.74 KB	-rw-r--r--
stl_relops.h	4.49 KB	-rw-r--r--
stl_set.h	35.93 KB	-rw-r--r--
stl_stack.h	11.94 KB	-rw-r--r--
stl_tempbuf.h	8.09 KB	-rw-r--r--
stl_tree.h	73.26 KB	-rw-r--r--
stl_uninitialized.h	30.72 KB	-rw-r--r--
stl_vector.h	63.45 KB	-rw-r--r--
stream_iterator.h	6.71 KB	-rw-r--r--
streambuf.tcc	4.81 KB	-rw-r--r--
streambuf_iterator.h	13.56 KB	-rw-r--r--
string_view.tcc	6.54 KB	-rw-r--r--
stringfwd.h	2.63 KB	-rw-r--r--
uniform_int_dist.h	10.01 KB	-rw-r--r--
unique_lock.h	5.96 KB	-rw-r--r--
unique_ptr.h	26.92 KB	-rw-r--r--
unordered_map.h	75.08 KB	-rw-r--r--
unordered_set.h	59.25 KB	-rw-r--r--
uses_allocator.h	6.66 KB	-rw-r--r--
valarray_after.h	22.3 KB	-rw-r--r--
valarray_array.h	20.8 KB	-rw-r--r--
valarray_array.tcc	7.08 KB	-rw-r--r--
valarray_before.h	18.69 KB	-rw-r--r--
vector.tcc	30.15 KB	-rw-r--r--

Code Editor : forward_list.tcc

// <forward_list.tcc> -*- C++ -*-

// Copyright (C) 2008-2019 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// <http://www.gnu.org/licenses/>.

/** @file bits/forward_list.tcc
 *  This is an internal header file, included by other library headers.
 *  Do not attempt to use it directly. @headername{forward_list}
 */

#ifndef _FORWARD_LIST_TCC
#define _FORWARD_LIST_TCC 1

namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
_GLIBCXX_BEGIN_NAMESPACE_CONTAINER

template<typename _Tp, typename _Alloc>
    _Fwd_list_base<_Tp, _Alloc>::
    _Fwd_list_base(_Fwd_list_base&& __lst, _Node_alloc_type&& __a)
    : _M_impl(std::move(__a))
    {
      if (__lst._M_get_Node_allocator() == _M_get_Node_allocator())
	this->_M_impl._M_head = std::move(__lst._M_impl._M_head);
    }

template<typename _Tp, typename _Alloc>
    template<typename... _Args>
      _Fwd_list_node_base*
      _Fwd_list_base<_Tp, _Alloc>::
      _M_insert_after(const_iterator __pos, _Args&&... __args)
      {
	_Fwd_list_node_base* __to
	  = const_cast<_Fwd_list_node_base*>(__pos._M_node);
	_Node* __thing = _M_create_node(std::forward<_Args>(__args)...);
	__thing->_M_next = __to->_M_next;
	__to->_M_next = __thing;
	return __to->_M_next;
      }

template<typename _Tp, typename _Alloc>
    _Fwd_list_node_base*
    _Fwd_list_base<_Tp, _Alloc>::
    _M_erase_after(_Fwd_list_node_base* __pos)
    {
      _Node* __curr = static_cast<_Node*>(__pos->_M_next);
      __pos->_M_next = __curr->_M_next;
      _Node_alloc_traits::destroy(_M_get_Node_allocator(),
				  __curr->_M_valptr());
      __curr->~_Node();
      _M_put_node(__curr);
      return __pos->_M_next;
    }

template<typename _Tp, typename _Alloc>
    _Fwd_list_node_base*
    _Fwd_list_base<_Tp, _Alloc>::
    _M_erase_after(_Fwd_list_node_base* __pos,
		   _Fwd_list_node_base* __last)
    {
      _Node* __curr = static_cast<_Node*>(__pos->_M_next);
      while (__curr != __last)
	{
	  _Node* __temp = __curr;
	  __curr = static_cast<_Node*>(__curr->_M_next);
	  _Node_alloc_traits::destroy(_M_get_Node_allocator(),
				      __temp->_M_valptr());
	  __temp->~_Node();
	  _M_put_node(__temp);
	}
      __pos->_M_next = __last;
      return __last;
    }

// Called by the range constructor to implement [23.3.4.2]/9
  template<typename _Tp, typename _Alloc>
    template<typename _InputIterator>
      void
      forward_list<_Tp, _Alloc>::
      _M_range_initialize(_InputIterator __first, _InputIterator __last)
      {
	_Node_base* __to = &this->_M_impl._M_head;
	for (; __first != __last; ++__first)
	  {
	    __to->_M_next = this->_M_create_node(*__first);
	    __to = __to->_M_next;
	  }
      }

// Called by forward_list(n,v,a).
  template<typename _Tp, typename _Alloc>
    void
    forward_list<_Tp, _Alloc>::
    _M_fill_initialize(size_type __n, const value_type& __value)
    {
      _Node_base* __to = &this->_M_impl._M_head;
      for (; __n; --__n)
	{
	  __to->_M_next = this->_M_create_node(__value);
	  __to = __to->_M_next;
	}
    }

template<typename _Tp, typename _Alloc>
    void
    forward_list<_Tp, _Alloc>::
    _M_default_initialize(size_type __n)
    {
      _Node_base* __to = &this->_M_impl._M_head;
      for (; __n; --__n)
	{
	  __to->_M_next = this->_M_create_node();
	  __to = __to->_M_next;
	}
    }

template<typename _Tp, typename _Alloc>
    forward_list<_Tp, _Alloc>&
    forward_list<_Tp, _Alloc>::
    operator=(const forward_list& __list)
    {
      if (std::__addressof(__list) != this)
	{
	  if (_Node_alloc_traits::_S_propagate_on_copy_assign())
	    {
	      auto& __this_alloc = this->_M_get_Node_allocator();
	      auto& __that_alloc = __list._M_get_Node_allocator();
	      if (!_Node_alloc_traits::_S_always_equal()
		  && __this_alloc != __that_alloc)
		{
		  // replacement allocator cannot free existing storage
		  clear();
		}
	      std::__alloc_on_copy(__this_alloc, __that_alloc);
	    }
	  assign(__list.cbegin(), __list.cend());
	}
      return *this;
    }

template<typename _Tp, typename _Alloc>
    void
    forward_list<_Tp, _Alloc>::
    _M_default_insert_after(const_iterator __pos, size_type __n)
    {
      const_iterator __saved_pos = __pos;
      __try
	{
	  for (; __n; --__n)
	    __pos = emplace_after(__pos);
	}
      __catch(...)
	{
	  erase_after(__saved_pos, ++__pos);
	  __throw_exception_again;
	}
    }

template<typename _Tp, typename _Alloc>
    void
    forward_list<_Tp, _Alloc>::
    resize(size_type __sz)
    {
      iterator __k = before_begin();

size_type __len = 0;
      while (__k._M_next() != end() && __len < __sz)
	{
	  ++__k;
	  ++__len;
	}
      if (__len == __sz)
	erase_after(__k, end());
      else
	_M_default_insert_after(__k, __sz - __len);
    }

template<typename _Tp, typename _Alloc>
    void
    forward_list<_Tp, _Alloc>::
    resize(size_type __sz, const value_type& __val)
    {
      iterator __k = before_begin();

size_type __len = 0;
      while (__k._M_next() != end() && __len < __sz)
	{
	  ++__k;
	  ++__len;
	}
      if (__len == __sz)
	erase_after(__k, end());
      else
	insert_after(__k, __sz - __len, __val);
    }

template<typename _Tp, typename _Alloc>
    typename forward_list<_Tp, _Alloc>::iterator
    forward_list<_Tp, _Alloc>::
    _M_splice_after(const_iterator __pos,
		    const_iterator __before, const_iterator __last)
    {
      _Node_base* __tmp = const_cast<_Node_base*>(__pos._M_node);
      _Node_base* __b = const_cast<_Node_base*>(__before._M_node);
      _Node_base* __end = __b;

while (__end && __end->_M_next != __last._M_node)
	__end = __end->_M_next;

if (__b != __end)
	return iterator(__tmp->_M_transfer_after(__b, __end));
      else
	return iterator(__tmp);
    }

template<typename _Tp, typename _Alloc>
    void
    forward_list<_Tp, _Alloc>::
    splice_after(const_iterator __pos, forward_list&&,
		 const_iterator __i) noexcept
    {
      const_iterator __j = __i;
      ++__j;

if (__pos == __i || __pos == __j)
	return;

_Node_base* __tmp = const_cast<_Node_base*>(__pos._M_node);
      __tmp->_M_transfer_after(const_cast<_Node_base*>(__i._M_node),
			       const_cast<_Node_base*>(__j._M_node));
    }

template<typename _Tp, typename _Alloc>
    typename forward_list<_Tp, _Alloc>::iterator
    forward_list<_Tp, _Alloc>::
    insert_after(const_iterator __pos, size_type __n, const _Tp& __val)
    {
      if (__n)
	{
	  forward_list __tmp(__n, __val, get_allocator());
	  return _M_splice_after(__pos, __tmp.before_begin(), __tmp.end());
	}
      else
	return iterator(const_cast<_Node_base*>(__pos._M_node));
    }

template<typename _Tp, typename _Alloc>
    template<typename _InputIterator, typename>
      typename forward_list<_Tp, _Alloc>::iterator
      forward_list<_Tp, _Alloc>::
      insert_after(const_iterator __pos,
		   _InputIterator __first, _InputIterator __last)
      {
	forward_list __tmp(__first, __last, get_allocator());
	if (!__tmp.empty())
	  return _M_splice_after(__pos, __tmp.before_begin(), __tmp.end());
	else
	  return iterator(const_cast<_Node_base*>(__pos._M_node));
      }

#if __cplusplus > 201703L
# define _GLIBCXX20_ONLY(__expr) __expr
#else
# define _GLIBCXX20_ONLY(__expr)
#endif

template<typename _Tp, typename _Alloc>
    auto
    forward_list<_Tp, _Alloc>::
    remove(const _Tp& __val) -> __remove_return_type
    {
      size_type __removed __attribute__((__unused__)) = 0;
      _Node_base* __curr = &this->_M_impl._M_head;
      _Node_base* __extra = nullptr;

while (_Node* __tmp = static_cast<_Node*>(__curr->_M_next))
	{
	  if (*__tmp->_M_valptr() == __val)
	    {
	      if (__tmp->_M_valptr() != std::__addressof(__val))
		{
		  this->_M_erase_after(__curr);
		  _GLIBCXX20_ONLY( __removed++ );
		  continue;
		}
	      else
		__extra = __curr;
	    }
	  __curr = __curr->_M_next;
	}

if (__extra)
	{
	  this->_M_erase_after(__extra);
	  _GLIBCXX20_ONLY( __removed++ );
	}
      return _GLIBCXX20_ONLY( __removed );
    }

template<typename _Tp, typename _Alloc>
    template<typename _Pred>
      auto
      forward_list<_Tp, _Alloc>::
      remove_if(_Pred __pred) -> __remove_return_type
      {
	size_type __removed __attribute__((__unused__)) = 0;
	_Node_base* __curr = &this->_M_impl._M_head;
	while (_Node* __tmp = static_cast<_Node*>(__curr->_M_next))
	  {
	    if (__pred(*__tmp->_M_valptr()))
	      {
		this->_M_erase_after(__curr);
		_GLIBCXX20_ONLY( __removed++ );
	      }
	    else
	      __curr = __curr->_M_next;
	  }
	return _GLIBCXX20_ONLY( __removed );
      }

template<typename _Tp, typename _Alloc>
    template<typename _BinPred>
      auto
      forward_list<_Tp, _Alloc>::
      unique(_BinPred __binary_pred) -> __remove_return_type
      {
	iterator __first = begin();
	iterator __last = end();
	if (__first == __last)
	  return _GLIBCXX20_ONLY(0);
	size_type __removed __attribute__((__unused__)) = 0;
	iterator __next = __first;
	while (++__next != __last)
	{
	  if (__binary_pred(*__first, *__next))
	    {
	      erase_after(__first);
	      _GLIBCXX20_ONLY( __removed++ );
	    }
	  else
	    __first = __next;
	  __next = __first;
	}
        return _GLIBCXX20_ONLY( __removed );
      }

#undef _GLIBCXX20_ONLY

template<typename _Tp, typename _Alloc>
    template<typename _Comp>
      void
      forward_list<_Tp, _Alloc>::
      merge(forward_list&& __list, _Comp __comp)
      {
	_Node_base* __node = &this->_M_impl._M_head;
	while (__node->_M_next && __list._M_impl._M_head._M_next)
	  {
	    if (__comp(*static_cast<_Node*>
		       (__list._M_impl._M_head._M_next)->_M_valptr(),
		       *static_cast<_Node*>
		       (__node->_M_next)->_M_valptr()))
	      __node->_M_transfer_after(&__list._M_impl._M_head,
					__list._M_impl._M_head._M_next);
	    __node = __node->_M_next;
	  }

if (__list._M_impl._M_head._M_next)
	  *__node = std::move(__list._M_impl._M_head);
      }

template<typename _Tp, typename _Alloc>
    bool
    operator==(const forward_list<_Tp, _Alloc>& __lx,
	       const forward_list<_Tp, _Alloc>& __ly)
    {
      //  We don't have size() so we need to walk through both lists
      //  making sure both iterators are valid.
      auto __ix = __lx.cbegin();
      auto __iy = __ly.cbegin();
      while (__ix != __lx.cend() && __iy != __ly.cend())
	{
	  if (!(*__ix == *__iy))
	    return false;
	  ++__ix;
	  ++__iy;
	}
      if (__ix == __lx.cend() && __iy == __ly.cend())
	return true;
      else
	return false;
    }

template<typename _Tp, class _Alloc>
    template<typename _Comp>
      void
      forward_list<_Tp, _Alloc>::
      sort(_Comp __comp)
      {
	// If `next' is nullptr, return immediately.
	_Node* __list = static_cast<_Node*>(this->_M_impl._M_head._M_next);
	if (!__list)
	  return;

unsigned long __insize = 1;

while (1)
	  {
	    _Node* __p = __list;
	    __list = nullptr;
	    _Node* __tail = nullptr;

// Count number of merges we do in this pass.
	    unsigned long __nmerges = 0;

while (__p)
	      {
		++__nmerges;
		// There exists a merge to be done.
		// Step `insize' places along from p.
		_Node* __q = __p;
		unsigned long __psize = 0;
		for (unsigned long __i = 0; __i < __insize; ++__i)
		  {
		    ++__psize;
		    __q = static_cast<_Node*>(__q->_M_next);
		    if (!__q)
		      break;
		  }

// If q hasn't fallen off end, we have two lists to merge.
		unsigned long __qsize = __insize;

// Now we have two lists; merge them.
		while (__psize > 0 || (__qsize > 0 && __q))
		  {
		    // Decide whether next node of merge comes from p or q.
		    _Node* __e;
		    if (__psize == 0)
		      {
			// p is empty; e must come from q.
			__e = __q;
			__q = static_cast<_Node*>(__q->_M_next);
			--__qsize;
		      }
		    else if (__qsize == 0 || !__q)
		      {
			// q is empty; e must come from p.
			__e = __p;
			__p = static_cast<_Node*>(__p->_M_next);
			--__psize;
		      }
		    else if (!__comp(*__q->_M_valptr(), *__p->_M_valptr()))
		      {
			// First node of q is not lower; e must come from p.
			__e = __p;
			__p = static_cast<_Node*>(__p->_M_next);
			--__psize;
		      }
		    else
		      {
			// First node of q is lower; e must come from q.
			__e = __q;
			__q = static_cast<_Node*>(__q->_M_next);
			--__qsize;
		      }

// Add the next node to the merged list.
		    if (__tail)
		      __tail->_M_next = __e;
		    else
		      __list = __e;
		    __tail = __e;
		  }

// Now p has stepped `insize' places along, and q has too.
		__p = __q;
	      }
	    __tail->_M_next = nullptr;

// If we have done only one merge, we're finished.
	    // Allow for nmerges == 0, the empty list case.
	    if (__nmerges <= 1)
	      {
		this->_M_impl._M_head._M_next = __list;
		return;
	      }

// Otherwise repeat, merging lists twice the size.
	    __insize *= 2;
	  }
      }

_GLIBCXX_END_NAMESPACE_CONTAINER
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std

#endif /* _FORWARD_LIST_TCC */

${this.title}

Code Editor : forward_list.tcc