?? stl_vector.c
字號(hào):
/*
*
*
* Copyright (c) 1994
* Hewlett-Packard Company
*
* Copyright (c) 1996,1997
* Silicon Graphics Computer Systems, Inc.
*
* Copyright (c) 1997
* Moscow Center for SPARC Technology
*
* Copyright (c) 1999
* Boris Fomitchev
*
* This material is provided "as is", with absolutely no warranty expressed
* or implied. Any use is at your own risk.
*
* Permission to use or copy this software for any purpose is hereby granted
* without fee, provided the above notices are retained on all copies.
* Permission to modify the code and to distribute modified code is granted,
* provided the above notices are retained, and a notice that the code was
* modified is included with the above copyright notice.
*
*/
#ifndef __STL_VECTOR_C
#define __STL_VECTOR_C
#if defined(__sgi) && !defined(__GNUC__) && (_MIPS_SIM != _MIPS_SIM_ABI32)
#pragma set woff 1174
#pragma set woff 1375
#endif
# undef vector
# define vector __WORKAROUND_RENAME(vector)
# if defined ( __STL_NESTED_TYPE_PARAM_BUG )
# define __pointer__ _Tp*
# define __const_pointer__ const _Tp*
# define __size_type__ size_t
# define __difference_type__ ptrdiff_t
# else
# define __pointer__ pointer
# define __const_pointer__ const_pointer
# define __size_type__ size_type
# define __difference_type__ difference_type
# endif
# undef _Make_ptr
# if defined (__STL_DEBUG)
# define _Make_iterator(__i) iterator(&_M_iter_list, __i)
# define _Make_const_iterator(__i) const_iterator(&_M_iter_list, __i)
# define _Make_ptr(__i) __i._M_iterator
# define __iterator__ _Vec_iter<_Tp, _Nonconst_traits<_Tp> >
# define __const_iterator__ _Vec_iter<_Tp, _Const_traits<_Tp> >
# else
# define __iterator__ __pointer__
# define __const_iterator__ __const_pointer__
# define _Make_iterator(__i) __i
# define _Make_const_iterator(__i) __i
# define _Make_ptr(__i) __i
# endif
__STL_BEGIN_NAMESPACE
template <class _Tp, class _Alloc>
void
vector<_Tp, _Alloc>::reserve(__size_type__ __n) {
if (capacity() < __n) {
const size_type __old_size = size();
pointer __tmp;
if (_M_start) {
__tmp = _M_allocate_and_copy(__n, _M_start, _M_finish);
__STLPORT_STD::destroy(_M_start, _M_finish);
_M_end_of_storage.deallocate(_M_start, _M_end_of_storage._M_data - _M_start);
} else {
__tmp = _M_end_of_storage.allocate(__n);
}
_M_start = __tmp;
_M_finish = __tmp + __old_size;
_M_end_of_storage._M_data = _M_start + __n;
}
}
#if defined (__STL_MEMBER_TEMPLATES) && ! defined (__STL_INLINE_MEMBER_TEMPLATES)
template <class _Tp, class _Alloc> template <class _ForwardIter>
void
vector<_Tp, _Alloc>::_M_assign_aux(_ForwardIter __first, _ForwardIter __last,
forward_iterator_tag) {
size_type __len = 0;
distance(__first, __last, __len);
if (__len > capacity()) {
iterator __tmp = _M_allocate_and_copy(__len, __first, __last);
__STLPORT_STD::destroy(_M_start, _M_finish);
_M_end_of_storage.deallocate(_M_start, _M_end_of_storage._M_data - _M_start);
_M_start = __tmp;
_M_end_of_storage._M_data = _M_finish = _M_start + __len;
}
else if (size() >= __len) {
iterator __new_finish = copy(__first, __last, _M_start);
__STLPORT_STD::destroy(__new_finish, _M_finish);
_M_finish = __new_finish;
}
else {
_ForwardIter __mid = __first;
advance(__mid, size());
copy(__first, __mid, _M_start);
_M_finish = uninitialized_copy(__mid, __last, _M_finish);
}
}
template <class _Tp, class _Alloc> template <class _ForwardIterator>
void vector<_Tp, _Alloc>::_M_range_insert(
# ifdef __STL_DEBUG
__iterator__ __pos,
# else
__iterator__ __position,
# endif
_ForwardIterator __first,
_ForwardIterator __last,
forward_iterator_tag) {
#ifdef __STL_DEBUG
__stl_debug_check(__check_if_owner(&_M_iter_list, __pos));
pointer __position(_Make_ptr(__pos));
#endif
if (__first != __last) {
__stl_debug_check(__check_range(__first,__last));
size_type __n = 0;
distance(__first, __last, __n);
if (size_type(_M_end_of_storage._M_data - _M_finish) >= __n) {
const size_type __elems_after = _M_finish - __position;
pointer __old_finish = _M_finish;
if (__elems_after > __n) {
uninitialized_copy(_M_finish - __n, _M_finish, _M_finish);
_M_finish += __n;
copy_backward(__position, __old_finish - __n, __old_finish);
copy(__first, __last, __position);
}
else {
_ForwardIterator __mid = __first;
advance(__mid, __elems_after);
uninitialized_copy(__mid, __last, _M_finish);
_M_finish += __n - __elems_after;
uninitialized_copy(__position, __old_finish, _M_finish);
_M_finish += __elems_after;
copy(__first, __mid, __position);
}
__stl_debug_do(__invalidate_range(&_M_iter_list, __pos, end()));
}
else {
const size_type __old_size = size();
const size_type __len = __old_size + max(__old_size, __n);
pointer __new_start = _M_end_of_storage.allocate(__len);
pointer __new_finish = __new_start;
__STL_TRY {
__new_finish = uninitialized_copy(_M_start, __position, __new_start);
__new_finish = uninitialized_copy(__first, __last, __new_finish);
__new_finish
= uninitialized_copy(__position, _M_finish, __new_finish);
}
__STL_UNWIND((__STLPORT_STD::destroy(__new_start,__new_finish),
_M_end_of_storage.deallocate(__new_start,__len)));
__STLPORT_STD::destroy(_M_start, _M_finish);
_M_end_of_storage.deallocate(_M_start, _M_end_of_storage._M_data - _M_start);
_M_start = __new_start;
_M_finish = __new_finish;
_M_end_of_storage._M_data = __new_start + __len;
}
}
}
#endif /* __STL_MEMBER_TEMPLATES */
template <class _Tp, class _Alloc>
vector<_Tp,_Alloc>&
vector<_Tp,_Alloc>::operator=(const vector<_Tp, _Alloc>& __x)
{
if (&__x != this) {
const size_type __xlen = __x.size();
__stl_debug_do(_M_iter_list._Invalidate_all());
if (__xlen > capacity()) {
pointer __tmp = _M_allocate_and_copy(__xlen, (const_pointer)__x._M_start+0, (const_pointer)__x._M_finish+0);
__STLPORT_STD::destroy(_M_start, _M_finish);
_M_end_of_storage.deallocate(_M_start, _M_end_of_storage._M_data - _M_start);
_M_start = __tmp;
_M_end_of_storage._M_data = _M_start + __xlen;
}
else if (size() >= __xlen) {
pointer __i = copy((const_pointer)__x._M_start+0, (const_pointer)__x._M_finish+0, _M_start);
__STLPORT_STD::destroy(__i, _M_finish);
}
else {
copy((const_pointer)__x._M_start, (const_pointer)__x._M_start + size(), _M_start);
uninitialized_copy((const_pointer)__x._M_start + size(), (const_pointer)__x._M_finish+0, _M_finish);
}
_M_finish = _M_start + __xlen;
}
return *this;
}
template <class _Tp, class _Alloc>
void vector<_Tp, _Alloc>::_M_fill_assign(size_t __n, const _Tp& __val) {
if (__n > capacity()) {
vector<_Tp, _Alloc> __tmp(__n, __val, get_allocator());
__tmp.swap(*this);
}
else if (__n > size()) {
fill(begin(), end(), __val);
_M_finish = uninitialized_fill_n(_M_finish, __n - size(), __val);
}
else
erase(fill_n(begin(), __n, __val), end());
}
template <class _Tp, class _Alloc>
void
vector<_Tp, _Alloc>::_M_insert_aux(_Tp* __position, const _Tp& __x)
{
if (_M_finish != _M_end_of_storage._M_data) {
__STLPORT_STD::construct(_M_finish, *(_M_finish - 1));
++_M_finish;
_Tp __x_copy = __x;
copy_backward(__position, _M_finish - 2, _M_finish - 1);
*__position = __x_copy;
}
else {
const size_type __old_size = size();
const size_type __len = __old_size != 0 ? 2 * __old_size : 1;
pointer __new_start = _M_end_of_storage.allocate(__len);
pointer __new_finish = __new_start;
__STL_TRY {
__new_finish = uninitialized_copy(_M_start, __position, __new_start);
__STLPORT_STD::construct(__new_finish, __x);
++__new_finish;
__new_finish = uninitialized_copy(__position, _M_finish, __new_finish);
}
__STL_UNWIND((__STLPORT_STD::destroy(__new_start,__new_finish),
_M_end_of_storage.deallocate(__new_start,__len)));
__STLPORT_STD::destroy(_M_start, _M_finish);
_M_end_of_storage.deallocate(_M_start, _M_end_of_storage._M_data - _M_start);
_M_start = __new_start;
_M_finish = __new_finish;
_M_end_of_storage._M_data = __new_start + __len;
}
}
template <class _Tp, class _Alloc>
void
vector<_Tp, _Alloc>::_M_insert_aux(_Tp* __position)
{
if (_M_finish != _M_end_of_storage._M_data) {
__STLPORT_STD::construct(_M_finish, *(_M_finish - 1));
++_M_finish;
copy_backward(__position, _M_finish - 2, _M_finish - 1);
*__position = _Tp();
}
else {
const size_type __old_size = size();
const size_type __len = __old_size != 0 ? 2 * __old_size : 1;
pointer __new_start = _M_end_of_storage.allocate(__len);
pointer __new_finish = __new_start;
__STL_TRY {
__new_finish = uninitialized_copy(_M_start, __position, __new_start);
__STLPORT_STD::construct(__new_finish);
++__new_finish;
__new_finish = uninitialized_copy(__position, _M_finish, __new_finish);
}
__STL_UNWIND((__STLPORT_STD::destroy(__new_start,__new_finish),
_M_end_of_storage.deallocate(__new_start,__len)));
__STLPORT_STD::destroy(begin(), end());
_M_end_of_storage.deallocate(_M_start, _M_end_of_storage._M_data - _M_start);
_M_start = __new_start;
_M_finish = __new_finish;
_M_end_of_storage._M_data = __new_start + __len;
}
}
template <class _Tp, class _Alloc>
void
vector<_Tp, _Alloc>::_M_fill_insert(
# if defined ( __STL_DEBUG )
__iterator__ __pos,
# else
__iterator__ __position,
# endif
__size_type__ __n, const _Tp& __x) {
# if defined ( __STL_DEBUG )
__stl_debug_check(__check_if_owner(&_M_iter_list, __pos));
pointer __position=_Make_ptr(__pos);
# endif
if (__n != 0) {
if (size_type(_M_end_of_storage._M_data - _M_finish) >= __n) {
_Tp __x_copy = __x;
const size_type __elems_after = _M_finish - __position;
pointer __old_finish = _M_finish;
if (__elems_after > __n) {
uninitialized_copy(_M_finish - __n, _M_finish, _M_finish);
_M_finish += __n;
copy_backward(__position, __old_finish - __n, __old_finish);
fill(__position, __position + __n, __x_copy);
}
else {
uninitialized_fill_n(_M_finish, __n - __elems_after, __x_copy);
_M_finish += __n - __elems_after;
uninitialized_copy(__position, __old_finish, _M_finish);
_M_finish += __elems_after;
fill(__position, __old_finish, __x_copy);
}
__stl_debug_do(__invalidate_range(&_M_iter_list, __pos, end()));
}
else {
const size_type __old_size = size();
const size_type __len = __old_size + max(__old_size, __n);
pointer __new_start = _M_end_of_storage.allocate(__len);
pointer __new_finish = __new_start;
__STL_TRY {
__new_finish = uninitialized_copy(_M_start, __position, __new_start);
__new_finish = uninitialized_fill_n(__new_finish, __n, __x);
__new_finish
= uninitialized_copy(__position, _M_finish, __new_finish);
}
__STL_UNWIND((__STLPORT_STD::destroy(__new_start,__new_finish),
_M_end_of_storage.deallocate(__new_start,__len)));
__STLPORT_STD::destroy(_M_start, _M_finish);
_M_end_of_storage.deallocate(_M_start, _M_end_of_storage._M_data - _M_start);
_M_start = __new_start;
_M_finish = __new_finish;
_M_end_of_storage._M_data = __new_start + __len;
}
}
}
#ifndef __STL_MEMBER_TEMPLATES
template <class _Tp, class _Alloc>
void
vector<_Tp, _Alloc>::insert(
# if defined ( __STL_DEBUG )
__iterator__ __pos,
__const_pointer__ __first,
__const_pointer__ __last
# else
__iterator__ __position,
__const_iterator__ __first,
__const_iterator__ __last
# endif
) {
# if defined ( __STL_DEBUG )
__stl_debug_check(__check_if_owner(&_M_iter_list, __pos));
pointer __position=_Make_ptr(__pos);
# endif
if (__first != __last) {
size_type __n = 0;
distance(__first, __last, __n);
if (size_type(_M_end_of_storage._M_data - _M_finish) >= __n) {
const size_type __elems_after = _M_finish - __position;
pointer __old_finish = _M_finish;
if (__elems_after > __n) {
uninitialized_copy(_M_finish - __n, _M_finish, _M_finish);
_M_finish += __n;
copy_backward(__position, __old_finish - __n, __old_finish);
copy(__first, __last, __position);
}
else {
uninitialized_copy(__first + __elems_after, __last, _M_finish);
_M_finish += __n - __elems_after;
uninitialized_copy(__position, __old_finish, _M_finish);
_M_finish += __elems_after;
copy(__first, __first + __elems_after, __position);
}
__stl_debug_do(__invalidate_range(&_M_iter_list, __pos, end()));
}
else {
const size_type __old_size = size();
const size_type __len = __old_size + max(__old_size, __n);
pointer __new_start = _M_end_of_storage.allocate(__len);
pointer __new_finish = __new_start;
__STL_TRY {
__new_finish = uninitialized_copy(_M_start, __position, __new_start);
__new_finish = uninitialized_copy(__first, __last, __new_finish);
__new_finish = uninitialized_copy(__position, _M_finish, __new_finish);
}
__STL_UNWIND((__STLPORT_STD::destroy(__new_start,__new_finish),
_M_end_of_storage.deallocate(__new_start,__len)));
__STLPORT_STD::destroy(_M_start, _M_finish);
_M_end_of_storage.deallocate(_M_start, _M_end_of_storage._M_data - _M_start);
_M_start = __new_start;
_M_finish = __new_finish;
_M_end_of_storage._M_data = __new_start + __len;
}
}
}
#endif /* __STL_MEMBER_TEMPLATES */
__STL_END_NAMESPACE
# undef vector
# undef __pointer__
# undef __const_pointer__
# undef __size_type__
# undef __difference_type__
# undef _Make_iterator
# undef _Make_const_iterator
# undef _Make_ptr
# undef __iterator__
# undef __const_iterator__
#endif /* __STL_VECTOR_C */
// Local Variables:
// mode:C++
// End:
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