diff options
Diffstat (limited to 'libstdc++/include/bits/stl_vector.h')
| -rw-r--r-- | libstdc++/include/bits/stl_vector.h | 992 |
1 files changed, 992 insertions, 0 deletions
diff --git a/libstdc++/include/bits/stl_vector.h b/libstdc++/include/bits/stl_vector.h new file mode 100644 index 0000000..a81c597 --- /dev/null +++ b/libstdc++/include/bits/stl_vector.h @@ -0,0 +1,992 @@ +// Vector implementation -*- C++ -*- + +// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 +// 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 2, 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. + +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// As a special exception, you may use this file as part of a free software +// library without restriction. Specifically, if other files instantiate +// templates or use macros or inline functions from this file, or you compile +// this file and link it with other files to produce an executable, this +// file does not by itself cause the resulting executable to be covered by +// the GNU General Public License. This exception does not however +// invalidate any other reasons why the executable file might be covered by +// the GNU General Public License. + +/* + * + * 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 + * 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. + */ + +/** @file stl_vector.h + * This is an internal header file, included by other library headers. + * You should not attempt to use it directly. + */ + +#ifndef _VECTOR_H +#define _VECTOR_H 1 + +#include <bits/stl_iterator_base_funcs.h> +#include <bits/functexcept.h> +#include <bits/concept_check.h> + +_GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD) + + /** + * @if maint + * See bits/stl_deque.h's _Deque_base for an explanation. + * @endif + */ + template<typename _Tp, typename _Alloc> + struct _Vector_base + { + typedef typename _Alloc::template rebind<_Tp>::other _Tp_alloc_type; + + struct _Vector_impl + : public _Tp_alloc_type + { + _Tp* _M_start; + _Tp* _M_finish; + _Tp* _M_end_of_storage; + _Vector_impl(_Tp_alloc_type const& __a) + : _Tp_alloc_type(__a), _M_start(0), _M_finish(0), _M_end_of_storage(0) + { } + }; + + public: + typedef _Alloc allocator_type; + + _Tp_alloc_type& + _M_get_Tp_allocator() + { return *static_cast<_Tp_alloc_type*>(&this->_M_impl); } + + const _Tp_alloc_type& + _M_get_Tp_allocator() const + { return *static_cast<const _Tp_alloc_type*>(&this->_M_impl); } + + allocator_type + get_allocator() const + { return allocator_type(_M_get_Tp_allocator()); } + + _Vector_base(const allocator_type& __a) + : _M_impl(__a) + { } + + _Vector_base(size_t __n, const allocator_type& __a) + : _M_impl(__a) + { + this->_M_impl._M_start = this->_M_allocate(__n); + this->_M_impl._M_finish = this->_M_impl._M_start; + this->_M_impl._M_end_of_storage = this->_M_impl._M_start + __n; + } + + ~_Vector_base() + { _M_deallocate(this->_M_impl._M_start, this->_M_impl._M_end_of_storage + - this->_M_impl._M_start); } + + public: + _Vector_impl _M_impl; + + _Tp* + _M_allocate(size_t __n) + { return _M_impl.allocate(__n); } + + void + _M_deallocate(_Tp* __p, size_t __n) + { + if (__p) + _M_impl.deallocate(__p, __n); + } + }; + + + /** + * @brief A standard container which offers fixed time access to + * individual elements in any order. + * + * @ingroup Containers + * @ingroup Sequences + * + * Meets the requirements of a <a href="tables.html#65">container</a>, a + * <a href="tables.html#66">reversible container</a>, and a + * <a href="tables.html#67">sequence</a>, including the + * <a href="tables.html#68">optional sequence requirements</a> with the + * %exception of @c push_front and @c pop_front. + * + * In some terminology a %vector can be described as a dynamic + * C-style array, it offers fast and efficient access to individual + * elements in any order and saves the user from worrying about + * memory and size allocation. Subscripting ( @c [] ) access is + * also provided as with C-style arrays. + */ + template<typename _Tp, typename _Alloc = std::allocator<_Tp> > + class vector : protected _Vector_base<_Tp, _Alloc> + { + // Concept requirements. + typedef typename _Alloc::value_type _Alloc_value_type; + __glibcxx_class_requires(_Tp, _SGIAssignableConcept) + __glibcxx_class_requires2(_Tp, _Alloc_value_type, _SameTypeConcept) + + typedef _Vector_base<_Tp, _Alloc> _Base; + typedef vector<_Tp, _Alloc> vector_type; + typedef typename _Base::_Tp_alloc_type _Tp_alloc_type; + + public: + typedef _Tp value_type; + typedef typename _Tp_alloc_type::pointer pointer; + typedef typename _Tp_alloc_type::const_pointer const_pointer; + typedef typename _Tp_alloc_type::reference reference; + typedef typename _Tp_alloc_type::const_reference const_reference; + typedef __gnu_cxx::__normal_iterator<pointer, vector_type> iterator; + typedef __gnu_cxx::__normal_iterator<const_pointer, vector_type> + const_iterator; + typedef std::reverse_iterator<const_iterator> const_reverse_iterator; + typedef std::reverse_iterator<iterator> reverse_iterator; + typedef size_t size_type; + typedef ptrdiff_t difference_type; + typedef _Alloc allocator_type; + + protected: + using _Base::_M_allocate; + using _Base::_M_deallocate; + using _Base::_M_impl; + using _Base::_M_get_Tp_allocator; + + public: + // [23.2.4.1] construct/copy/destroy + // (assign() and get_allocator() are also listed in this section) + /** + * @brief Default constructor creates no elements. + */ + explicit + vector(const allocator_type& __a = allocator_type()) + : _Base(__a) + { } + + /** + * @brief Create a %vector with copies of an exemplar element. + * @param n The number of elements to initially create. + * @param value An element to copy. + * + * This constructor fills the %vector with @a n copies of @a value. + */ + explicit + vector(size_type __n, const value_type& __value = value_type(), + const allocator_type& __a = allocator_type()) + : _Base(__n, __a) + { + std::__uninitialized_fill_n_a(this->_M_impl._M_start, __n, __value, + _M_get_Tp_allocator()); + this->_M_impl._M_finish = this->_M_impl._M_start + __n; + } + + /** + * @brief %Vector copy constructor. + * @param x A %vector of identical element and allocator types. + * + * The newly-created %vector uses a copy of the allocation + * object used by @a x. All the elements of @a x are copied, + * but any extra memory in + * @a x (for fast expansion) will not be copied. + */ + vector(const vector& __x) + : _Base(__x.size(), __x._M_get_Tp_allocator()) + { this->_M_impl._M_finish = + std::__uninitialized_copy_a(__x.begin(), __x.end(), + this->_M_impl._M_start, + _M_get_Tp_allocator()); + } + + /** + * @brief Builds a %vector from a range. + * @param first An input iterator. + * @param last An input iterator. + * + * Create a %vector consisting of copies of the elements from + * [first,last). + * + * If the iterators are forward, bidirectional, or + * random-access, then this will call the elements' copy + * constructor N times (where N is distance(first,last)) and do + * no memory reallocation. But if only input iterators are + * used, then this will do at most 2N calls to the copy + * constructor, and logN memory reallocations. + */ + template<typename _InputIterator> + vector(_InputIterator __first, _InputIterator __last, + const allocator_type& __a = allocator_type()) + : _Base(__a) + { + // Check whether it's an integral type. If so, it's not an iterator. + typedef typename std::__is_integer<_InputIterator>::__type _Integral; + _M_initialize_dispatch(__first, __last, _Integral()); + } + + /** + * The dtor only erases the elements, and note that if the + * elements themselves are pointers, the pointed-to memory is + * not touched in any way. Managing the pointer is the user's + * responsibilty. + */ + ~vector() + { std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish, + _M_get_Tp_allocator()); } + + /** + * @brief %Vector assignment operator. + * @param x A %vector of identical element and allocator types. + * + * All the elements of @a x are copied, but any extra memory in + * @a x (for fast expansion) will not be copied. Unlike the + * copy constructor, the allocator object is not copied. + */ + vector& + operator=(const vector& __x); + + /** + * @brief Assigns a given value to a %vector. + * @param n Number of elements to be assigned. + * @param val Value to be assigned. + * + * This function fills a %vector with @a n copies of the given + * value. Note that the assignment completely changes the + * %vector and that the resulting %vector's size is the same as + * the number of elements assigned. Old data may be lost. + */ + void + assign(size_type __n, const value_type& __val) + { _M_fill_assign(__n, __val); } + + /** + * @brief Assigns a range to a %vector. + * @param first An input iterator. + * @param last An input iterator. + * + * This function fills a %vector with copies of the elements in the + * range [first,last). + * + * Note that the assignment completely changes the %vector and + * that the resulting %vector's size is the same as the number + * of elements assigned. Old data may be lost. + */ + template<typename _InputIterator> + void + assign(_InputIterator __first, _InputIterator __last) + { + // Check whether it's an integral type. If so, it's not an iterator. + typedef typename std::__is_integer<_InputIterator>::__type _Integral; + _M_assign_dispatch(__first, __last, _Integral()); + } + + /// Get a copy of the memory allocation object. + using _Base::get_allocator; + + // iterators + /** + * Returns a read/write iterator that points to the first + * element in the %vector. Iteration is done in ordinary + * element order. + */ + iterator + begin() + { return iterator(this->_M_impl._M_start); } + + /** + * Returns a read-only (constant) iterator that points to the + * first element in the %vector. Iteration is done in ordinary + * element order. + */ + const_iterator + begin() const + { return const_iterator(this->_M_impl._M_start); } + + /** + * Returns a read/write iterator that points one past the last + * element in the %vector. Iteration is done in ordinary + * element order. + */ + iterator + end() + { return iterator(this->_M_impl._M_finish); } + + /** + * Returns a read-only (constant) iterator that points one past + * the last element in the %vector. Iteration is done in + * ordinary element order. + */ + const_iterator + end() const + { return const_iterator(this->_M_impl._M_finish); } + + /** + * Returns a read/write reverse iterator that points to the + * last element in the %vector. Iteration is done in reverse + * element order. + */ + reverse_iterator + rbegin() + { return reverse_iterator(end()); } + + /** + * Returns a read-only (constant) reverse iterator that points + * to the last element in the %vector. Iteration is done in + * reverse element order. + */ + const_reverse_iterator + rbegin() const + { return const_reverse_iterator(end()); } + + /** + * Returns a read/write reverse iterator that points to one + * before the first element in the %vector. Iteration is done + * in reverse element order. + */ + reverse_iterator + rend() + { return reverse_iterator(begin()); } + + /** + * Returns a read-only (constant) reverse iterator that points + * to one before the first element in the %vector. Iteration + * is done in reverse element order. + */ + const_reverse_iterator + rend() const + { return const_reverse_iterator(begin()); } + + // [23.2.4.2] capacity + /** Returns the number of elements in the %vector. */ + size_type + size() const + { return size_type(this->_M_impl._M_finish - this->_M_impl._M_start); } + + /** Returns the size() of the largest possible %vector. */ + size_type + max_size() const + { return _M_get_Tp_allocator().max_size(); } + + /** + * @brief Resizes the %vector to the specified number of elements. + * @param new_size Number of elements the %vector should contain. + * @param x Data with which new elements should be populated. + * + * This function will %resize the %vector to the specified + * number of elements. If the number is smaller than the + * %vector's current size the %vector is truncated, otherwise + * the %vector is extended and new elements are populated with + * given data. + */ + void + resize(size_type __new_size, value_type __x = value_type()) + { + if (__new_size < size()) + _M_erase_at_end(this->_M_impl._M_start + __new_size); + else + insert(end(), __new_size - size(), __x); + } + + /** + * Returns the total number of elements that the %vector can + * hold before needing to allocate more memory. + */ + size_type + capacity() const + { return size_type(this->_M_impl._M_end_of_storage + - this->_M_impl._M_start); } + + /** + * Returns true if the %vector is empty. (Thus begin() would + * equal end().) + */ + bool + empty() const + { return begin() == end(); } + + /** + * @brief Attempt to preallocate enough memory for specified number of + * elements. + * @param n Number of elements required. + * @throw std::length_error If @a n exceeds @c max_size(). + * + * This function attempts to reserve enough memory for the + * %vector to hold the specified number of elements. If the + * number requested is more than max_size(), length_error is + * thrown. + * + * The advantage of this function is that if optimal code is a + * necessity and the user can determine the number of elements + * that will be required, the user can reserve the memory in + * %advance, and thus prevent a possible reallocation of memory + * and copying of %vector data. + */ + void + reserve(size_type __n); + + // element access + /** + * @brief Subscript access to the data contained in the %vector. + * @param n The index of the element for which data should be + * accessed. + * @return Read/write reference to data. + * + * This operator allows for easy, array-style, data access. + * Note that data access with this operator is unchecked and + * out_of_range lookups are not defined. (For checked lookups + * see at().) + */ + reference + operator[](size_type __n) + { return *(this->_M_impl._M_start + __n); } + + /** + * @brief Subscript access to the data contained in the %vector. + * @param n The index of the element for which data should be + * accessed. + * @return Read-only (constant) reference to data. + * + * This operator allows for easy, array-style, data access. + * Note that data access with this operator is unchecked and + * out_of_range lookups are not defined. (For checked lookups + * see at().) + */ + const_reference + operator[](size_type __n) const + { return *(this->_M_impl._M_start + __n); } + + protected: + /// @if maint Safety check used only from at(). @endif + void + _M_range_check(size_type __n) const + { + if (__n >= this->size()) + __throw_out_of_range(__N("vector::_M_range_check")); + } + + public: + /** + * @brief Provides access to the data contained in the %vector. + * @param n The index of the element for which data should be + * accessed. + * @return Read/write reference to data. + * @throw std::out_of_range If @a n is an invalid index. + * + * This function provides for safer data access. The parameter + * is first checked that it is in the range of the vector. The + * function throws out_of_range if the check fails. + */ + reference + at(size_type __n) + { + _M_range_check(__n); + return (*this)[__n]; + } + + /** + * @brief Provides access to the data contained in the %vector. + * @param n The index of the element for which data should be + * accessed. + * @return Read-only (constant) reference to data. + * @throw std::out_of_range If @a n is an invalid index. + * + * This function provides for safer data access. The parameter + * is first checked that it is in the range of the vector. The + * function throws out_of_range if the check fails. + */ + const_reference + at(size_type __n) const + { + _M_range_check(__n); + return (*this)[__n]; + } + + /** + * Returns a read/write reference to the data at the first + * element of the %vector. + */ + reference + front() + { return *begin(); } + + /** + * Returns a read-only (constant) reference to the data at the first + * element of the %vector. + */ + const_reference + front() const + { return *begin(); } + + /** + * Returns a read/write reference to the data at the last + * element of the %vector. + */ + reference + back() + { return *(end() - 1); } + + /** + * Returns a read-only (constant) reference to the data at the + * last element of the %vector. + */ + const_reference + back() const + { return *(end() - 1); } + + // _GLIBCXX_RESOLVE_LIB_DEFECTS + // DR 464. Suggestion for new member functions in standard containers. + // data access + /** + * Returns a pointer such that [data(), data() + size()) is a valid + * range. For a non-empty %vector, data() == &front(). + */ + pointer + data() + { return pointer(this->_M_impl._M_start); } + + const_pointer + data() const + { return const_pointer(this->_M_impl._M_start); } + + // [23.2.4.3] modifiers + /** + * @brief Add data to the end of the %vector. + * @param x Data to be added. + * + * This is a typical stack operation. The function creates an + * element at the end of the %vector and assigns the given data + * to it. Due to the nature of a %vector this operation can be + * done in constant time if the %vector has preallocated space + * available. + */ + void + push_back(const value_type& __x) + { + if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage) + { + this->_M_impl.construct(this->_M_impl._M_finish, __x); + ++this->_M_impl._M_finish; + } + else + _M_insert_aux(end(), __x); + } + + /** + * @brief Removes last element. + * + * This is a typical stack operation. It shrinks the %vector by one. + * + * Note that no data is returned, and if the last element's + * data is needed, it should be retrieved before pop_back() is + * called. + */ + void + pop_back() + { + --this->_M_impl._M_finish; + this->_M_impl.destroy(this->_M_impl._M_finish); + } + + /** + * @brief Inserts given value into %vector before specified iterator. + * @param position An iterator into the %vector. + * @param x Data to be inserted. + * @return An iterator that points to the inserted data. + * + * This function will insert a copy of the given value before + * the specified location. Note that this kind of operation + * could be expensive for a %vector and if it is frequently + * used the user should consider using std::list. + */ + iterator + insert(iterator __position, const value_type& __x); + + /** + * @brief Inserts a number of copies of given data into the %vector. + * @param position An iterator into the %vector. + * @param n Number of elements to be inserted. + * @param x Data to be inserted. + * + * This function will insert a specified number of copies of + * the given data before the location specified by @a position. + * + * Note that this kind of operation could be expensive for a + * %vector and if it is frequently used the user should + * consider using std::list. + */ + void + insert(iterator __position, size_type __n, const value_type& __x) + { _M_fill_insert(__position, __n, __x); } + + /** + * @brief Inserts a range into the %vector. + * @param position An iterator into the %vector. + * @param first An input iterator. + * @param last An input iterator. + * + * This function will insert copies of the data in the range + * [first,last) into the %vector before the location specified + * by @a pos. + * + * Note that this kind of operation could be expensive for a + * %vector and if it is frequently used the user should + * consider using std::list. + */ + template<typename _InputIterator> + void + insert(iterator __position, _InputIterator __first, + _InputIterator __last) + { + // Check whether it's an integral type. If so, it's not an iterator. + typedef typename std::__is_integer<_InputIterator>::__type _Integral; + _M_insert_dispatch(__position, __first, __last, _Integral()); + } + + /** + * @brief Remove element at given position. + * @param position Iterator pointing to element to be erased. + * @return An iterator pointing to the next element (or end()). + * + * This function will erase the element at the given position and thus + * shorten the %vector by one. + * + * Note This operation could be expensive and if it is + * frequently used the user should consider using std::list. + * The user is also cautioned that this function only erases + * the element, and that if the element is itself a pointer, + * the pointed-to memory is not touched in any way. Managing + * the pointer is the user's responsibilty. + */ + iterator + erase(iterator __position); + + /** + * @brief Remove a range of elements. + * @param first Iterator pointing to the first element to be erased. + * @param last Iterator pointing to one past the last element to be + * erased. + * @return An iterator pointing to the element pointed to by @a last + * prior to erasing (or end()). + * + * This function will erase the elements in the range [first,last) and + * shorten the %vector accordingly. + * + * Note This operation could be expensive and if it is + * frequently used the user should consider using std::list. + * The user is also cautioned that this function only erases + * the elements, and that if the elements themselves are + * pointers, the pointed-to memory is not touched in any way. + * Managing the pointer is the user's responsibilty. + */ + iterator + erase(iterator __first, iterator __last); + + /** + * @brief Swaps data with another %vector. + * @param x A %vector of the same element and allocator types. + * + * This exchanges the elements between two vectors in constant time. + * (Three pointers, so it should be quite fast.) + * Note that the global std::swap() function is specialized such that + * std::swap(v1,v2) will feed to this function. + */ + void + swap(vector& __x) + { + std::swap(this->_M_impl._M_start, __x._M_impl._M_start); + std::swap(this->_M_impl._M_finish, __x._M_impl._M_finish); + std::swap(this->_M_impl._M_end_of_storage, + __x._M_impl._M_end_of_storage); + + // _GLIBCXX_RESOLVE_LIB_DEFECTS + // 431. Swapping containers with unequal allocators. + std::__alloc_swap<_Tp_alloc_type>::_S_do_it(_M_get_Tp_allocator(), + __x._M_get_Tp_allocator()); + } + + /** + * Erases all the elements. Note that this function only erases the + * elements, and that if the elements themselves are pointers, the + * pointed-to memory is not touched in any way. Managing the pointer is + * the user's responsibilty. + */ + void + clear() + { _M_erase_at_end(this->_M_impl._M_start); } + + protected: + /** + * @if maint + * Memory expansion handler. Uses the member allocation function to + * obtain @a n bytes of memory, and then copies [first,last) into it. + * @endif + */ + template<typename _ForwardIterator> + pointer + _M_allocate_and_copy(size_type __n, + _ForwardIterator __first, _ForwardIterator __last) + { + pointer __result = this->_M_allocate(__n); + try + { + std::__uninitialized_copy_a(__first, __last, __result, + _M_get_Tp_allocator()); + return __result; + } + catch(...) + { + _M_deallocate(__result, __n); + __throw_exception_again; + } + } + + + // Internal constructor functions follow. + + // Called by the range constructor to implement [23.1.1]/9 + template<typename _Integer> + void + _M_initialize_dispatch(_Integer __n, _Integer __value, __true_type) + { + this->_M_impl._M_start = _M_allocate(__n); + this->_M_impl._M_end_of_storage = this->_M_impl._M_start + __n; + std::__uninitialized_fill_n_a(this->_M_impl._M_start, __n, __value, + _M_get_Tp_allocator()); + this->_M_impl._M_finish = this->_M_impl._M_end_of_storage; + } + + // Called by the range constructor to implement [23.1.1]/9 + template<typename _InputIterator> + void + _M_initialize_dispatch(_InputIterator __first, _InputIterator __last, + __false_type) + { + typedef typename std::iterator_traits<_InputIterator>:: + iterator_category _IterCategory; + _M_range_initialize(__first, __last, _IterCategory()); + } + + // Called by the second initialize_dispatch above + template<typename _InputIterator> + void + _M_range_initialize(_InputIterator __first, + _InputIterator __last, std::input_iterator_tag) + { + for (; __first != __last; ++__first) + push_back(*__first); + } + + // Called by the second initialize_dispatch above + template<typename _ForwardIterator> + void + _M_range_initialize(_ForwardIterator __first, + _ForwardIterator __last, std::forward_iterator_tag) + { + const size_type __n = std::distance(__first, __last); + this->_M_impl._M_start = this->_M_allocate(__n); + this->_M_impl._M_end_of_storage = this->_M_impl._M_start + __n; + this->_M_impl._M_finish = + std::__uninitialized_copy_a(__first, __last, + this->_M_impl._M_start, + _M_get_Tp_allocator()); + } + + + // Internal assign functions follow. The *_aux functions do the actual + // assignment work for the range versions. + + // Called by the range assign to implement [23.1.1]/9 + template<typename _Integer> + void + _M_assign_dispatch(_Integer __n, _Integer __val, __true_type) + { + _M_fill_assign(static_cast<size_type>(__n), + static_cast<value_type>(__val)); + } + + // Called by the range assign to implement [23.1.1]/9 + template<typename _InputIterator> + void + _M_assign_dispatch(_InputIterator __first, _InputIterator __last, + __false_type) + { + typedef typename std::iterator_traits<_InputIterator>:: + iterator_category _IterCategory; + _M_assign_aux(__first, __last, _IterCategory()); + } + + // Called by the second assign_dispatch above + template<typename _InputIterator> + void + _M_assign_aux(_InputIterator __first, _InputIterator __last, + std::input_iterator_tag); + + // Called by the second assign_dispatch above + template<typename _ForwardIterator> + void + _M_assign_aux(_ForwardIterator __first, _ForwardIterator __last, + std::forward_iterator_tag); + + // Called by assign(n,t), and the range assign when it turns out + // to be the same thing. + void + _M_fill_assign(size_type __n, const value_type& __val); + + + // Internal insert functions follow. + + // Called by the range insert to implement [23.1.1]/9 + template<typename _Integer> + void + _M_insert_dispatch(iterator __pos, _Integer __n, _Integer __val, + __true_type) + { + _M_fill_insert(__pos, static_cast<size_type>(__n), + static_cast<value_type>(__val)); + } + + // Called by the range insert to implement [23.1.1]/9 + template<typename _InputIterator> + void + _M_insert_dispatch(iterator __pos, _InputIterator __first, + _InputIterator __last, __false_type) + { + typedef typename std::iterator_traits<_InputIterator>:: + iterator_category _IterCategory; + _M_range_insert(__pos, __first, __last, _IterCategory()); + } + + // Called by the second insert_dispatch above + template<typename _InputIterator> + void + _M_range_insert(iterator __pos, _InputIterator __first, + _InputIterator __last, std::input_iterator_tag); + + // Called by the second insert_dispatch above + template<typename _ForwardIterator> + void + _M_range_insert(iterator __pos, _ForwardIterator __first, + _ForwardIterator __last, std::forward_iterator_tag); + + // Called by insert(p,n,x), and the range insert when it turns out to be + // the same thing. + void + _M_fill_insert(iterator __pos, size_type __n, const value_type& __x); + + // Called by insert(p,x) + void + _M_insert_aux(iterator __position, const value_type& __x); + + // Internal erase functions follow. + + // Called by erase(q1,q2), clear(), resize(), _M_fill_assign, + // _M_assign_aux. + void + _M_erase_at_end(pointer __pos) + { + std::_Destroy(__pos, this->_M_impl._M_finish, _M_get_Tp_allocator()); + this->_M_impl._M_finish = __pos; + } + }; + + + /** + * @brief Vector equality comparison. + * @param x A %vector. + * @param y A %vector of the same type as @a x. + * @return True iff the size and elements of the vectors are equal. + * + * This is an equivalence relation. It is linear in the size of the + * vectors. Vectors are considered equivalent if their sizes are equal, + * and if corresponding elements compare equal. + */ + template<typename _Tp, typename _Alloc> + inline bool + operator==(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) + { return (__x.size() == __y.size() + && std::equal(__x.begin(), __x.end(), __y.begin())); } + + /** + * @brief Vector ordering relation. + * @param x A %vector. + * @param y A %vector of the same type as @a x. + * @return True iff @a x is lexicographically less than @a y. + * + * This is a total ordering relation. It is linear in the size of the + * vectors. The elements must be comparable with @c <. + * + * See std::lexicographical_compare() for how the determination is made. + */ + template<typename _Tp, typename _Alloc> + inline bool + operator<(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) + { return std::lexicographical_compare(__x.begin(), __x.end(), + __y.begin(), __y.end()); } + + /// Based on operator== + template<typename _Tp, typename _Alloc> + inline bool + operator!=(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) + { return !(__x == __y); } + + /// Based on operator< + template<typename _Tp, typename _Alloc> + inline bool + operator>(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) + { return __y < __x; } + + /// Based on operator< + template<typename _Tp, typename _Alloc> + inline bool + operator<=(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) + { return !(__y < __x); } + + /// Based on operator< + template<typename _Tp, typename _Alloc> + inline bool + operator>=(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) + { return !(__x < __y); } + + /// See std::vector::swap(). + template<typename _Tp, typename _Alloc> + inline void + swap(vector<_Tp, _Alloc>& __x, vector<_Tp, _Alloc>& __y) + { __x.swap(__y); } + +_GLIBCXX_END_NESTED_NAMESPACE + +#endif /* _VECTOR_H */ |
