mirror of
https://github.com/darlinghq/darling-libcxx.git
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f5256e16df
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103516 91177308-0d34-0410-b5e6-96231b3b80d8
630 lines
20 KiB
C++
630 lines
20 KiB
C++
// -*- C++ -*-
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//===--------------------------- queue ------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_QUEUE
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#define _LIBCPP_QUEUE
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/*
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queue synopsis
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namespace std
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{
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template <class T, class Container = deque<T>>
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class queue
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{
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public:
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typedef Container container_type;
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typedef typename container_type::value_type value_type;
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typedef typename container_type::reference reference;
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typedef typename container_type::const_reference const_reference;
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typedef typename container_type::size_type size_type;
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protected:
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container_type c;
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public:
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queue();
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explicit queue(const container_type& c);
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explicit queue(container_type&& c);
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queue(queue&& q);
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template <class Alloc>
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explicit queue(const Alloc& a);
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template <class Alloc>
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queue(const container_type& c, const Alloc& a);
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template <class Alloc>
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queue(container_type&& c, const Alloc& a);
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template <class Alloc>
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queue(queue&& q, const Alloc& a);
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queue& operator=(queue&& q);
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bool empty() const;
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size_type size() const;
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reference front();
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const_reference front() const;
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reference back();
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const_reference back() const;
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void push(const value_type& v);
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void push(value_type&& v);
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template <class... Args> void emplace(Args&&... args);
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void pop();
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void swap(queue& q);
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};
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template <class T, class Container>
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bool operator==(const queue<T, Container>& x,const queue<T, Container>& y);
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template <class T, class Container>
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bool operator< (const queue<T, Container>& x,const queue<T, Container>& y);
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template <class T, class Container>
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bool operator!=(const queue<T, Container>& x,const queue<T, Container>& y);
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template <class T, class Container>
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bool operator> (const queue<T, Container>& x,const queue<T, Container>& y);
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template <class T, class Container>
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bool operator>=(const queue<T, Container>& x,const queue<T, Container>& y);
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template <class T, class Container>
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bool operator<=(const queue<T, Container>& x,const queue<T, Container>& y);
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template <class T, class Container>
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void swap(queue<T, Container>& x, queue<T, Container>& y);
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template <class T, class Container = vector<T>,
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class Compare = less<typename Container::value_type>>
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class priority_queue
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{
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public:
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typedef Container container_type;
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typedef typename container_type::value_type value_type;
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typedef typename container_type::reference reference;
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typedef typename container_type::const_reference const_reference;
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typedef typename container_type::size_type size_type;
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protected:
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container_type c;
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Compare comp;
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public:
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explicit priority_queue(const Compare& comp = Compare());
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priority_queue(const Compare& comp, const container_type& c);
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explicit priority_queue(const Compare& comp, container_type&& c);
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template <class InputIterator>
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priority_queue(InputIterator first, InputIterator last,
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const Compare& comp = Compare());
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template <class InputIterator>
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priority_queue(InputIterator first, InputIterator last,
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const Compare& comp, const container_type& c);
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template <class InputIterator>
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priority_queue(InputIterator first, InputIterator last,
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const Compare& comp, container_type&& c);
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priority_queue(priority_queue&& q);
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priority_queue& operator=(priority_queue&& q);
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template <class Alloc>
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explicit priority_queue(const Alloc& a);
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template <class Alloc>
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priority_queue(const Compare& comp, const Alloc& a);
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template <class Alloc>
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priority_queue(const Compare& comp, const container_type& c,
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const Alloc& a);
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template <class Alloc>
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priority_queue(const Compare& comp, container_type&& c,
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const Alloc& a);
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template <class Alloc>
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priority_queue(priority_queue&& q, const Alloc& a);
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bool empty() const;
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size_type size() const;
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const_reference top() const;
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void push(const value_type& v);
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void push(value_type&& v);
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template <class... Args> void emplace(Args&&... args);
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void pop();
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void swap(priority_queue& q);
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};
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template <class T, class Container, class Compare>
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void swap(priority_queue<T, Container, Compare>& x,
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priority_queue<T, Container, Compare>& y);
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} // std
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*/
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#include <__config>
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#include <deque>
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#include <vector>
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#include <functional>
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#include <algorithm>
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#pragma GCC system_header
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_LIBCPP_BEGIN_NAMESPACE_STD
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template <class _Tp, class _Container> class queue;
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template <class _Tp, class _Container>
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bool
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operator==(const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y);
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template <class _Tp, class _Container>
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bool
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operator< (const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y);
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template <class _Tp, class _Container = deque<_Tp> >
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class queue
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{
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public:
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typedef _Container container_type;
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typedef typename container_type::value_type value_type;
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typedef typename container_type::reference reference;
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typedef typename container_type::const_reference const_reference;
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typedef typename container_type::size_type size_type;
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protected:
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container_type c;
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public:
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queue() : c() {}
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explicit queue(const container_type& __c) : c(__c) {}
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#ifdef _LIBCPP_MOVE
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explicit queue(container_type&& __c) : c(_STD::move(__c)) {}
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queue(queue&& __q) : c(_STD::move(__q.c)) {}
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#endif
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template <class _Alloc>
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explicit queue(const _Alloc& __a,
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typename enable_if<uses_allocator<container_type,
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_Alloc>::value>::type* = 0)
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: c(__a) {}
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template <class _Alloc>
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queue(const queue& __q, const _Alloc& __a,
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typename enable_if<uses_allocator<container_type,
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_Alloc>::value>::type* = 0)
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: c(__q.c, __a) {}
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template <class _Alloc>
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queue(const container_type& __c, const _Alloc& __a,
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typename enable_if<uses_allocator<container_type,
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_Alloc>::value>::type* = 0)
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: c(__c, __a) {}
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#ifdef _LIBCPP_MOVE
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template <class _Alloc>
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queue(container_type&& __c, const _Alloc& __a,
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typename enable_if<uses_allocator<container_type,
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_Alloc>::value>::type* = 0)
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: c(_STD::move(__c), __a) {}
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template <class _Alloc>
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queue(queue&& __q, const _Alloc& __a,
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typename enable_if<uses_allocator<container_type,
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_Alloc>::value>::type* = 0)
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: c(_STD::move(__q.c), __a) {}
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queue& operator=(queue&& __q)
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{
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c = _STD::move(__q.c);
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return *this;
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}
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#endif
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bool empty() const {return c.empty();}
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size_type size() const {return c.size();}
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reference front() {return c.front();}
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const_reference front() const {return c.front();}
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reference back() {return c.back();}
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const_reference back() const {return c.back();}
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void push(const value_type& __v) {c.push_back(__v);}
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#ifdef _LIBCPP_MOVE
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void push(value_type&& __v) {c.push_back(_STD::move(__v));}
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template <class... _Args>
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void emplace(_Args&&... __args)
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{c.emplace_back(_STD::forward<_Args>(__args)...);}
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#endif
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void pop() {c.pop_front();}
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void swap(queue& __q)
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{
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using _STD::swap;
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swap(c, __q.c);
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}
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template <class _T1, class _C1>
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friend
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bool
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operator==(const queue<_T1, _C1>& __x,const queue<_T1, _C1>& __y);
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template <class _T1, class _C1>
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friend
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bool
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operator< (const queue<_T1, _C1>& __x,const queue<_T1, _C1>& __y);
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};
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template <class _Tp, class _Container>
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inline
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bool
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operator==(const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y)
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{
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return __x.c == __y.c;
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}
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template <class _Tp, class _Container>
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inline
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bool
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operator< (const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y)
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{
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return __x.c < __y.c;
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}
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template <class _Tp, class _Container>
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inline
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bool
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operator!=(const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y)
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{
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return !(__x == __y);
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}
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template <class _Tp, class _Container>
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inline
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bool
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operator> (const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y)
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{
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return __y < __x;
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}
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template <class _Tp, class _Container>
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inline
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bool
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operator>=(const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y)
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{
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return !(__x < __y);
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}
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template <class _Tp, class _Container>
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inline
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bool
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operator<=(const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y)
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{
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return !(__y < __x);
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}
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template <class _Tp, class _Container>
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inline
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void
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swap(queue<_Tp, _Container>& __x, queue<_Tp, _Container>& __y)
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{
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__x.swap(__y);
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}
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template <class _Tp, class _Container, class _Alloc>
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struct uses_allocator<queue<_Tp, _Container>, _Alloc>
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: public uses_allocator<_Container, _Alloc>
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{
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};
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template <class _Tp, class _Container = vector<_Tp>,
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class _Compare = less<typename _Container::value_type> >
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class priority_queue
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{
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public:
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typedef _Container container_type;
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typedef _Compare value_compare;
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typedef typename container_type::value_type value_type;
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typedef typename container_type::reference reference;
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typedef typename container_type::const_reference const_reference;
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typedef typename container_type::size_type size_type;
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protected:
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container_type c;
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value_compare comp;
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public:
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explicit priority_queue(const value_compare& __comp = value_compare())
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: c(), comp(__comp) {}
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priority_queue(const value_compare& __comp, const container_type& __c);
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#ifdef _LIBCPP_MOVE
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explicit priority_queue(const value_compare& __comp, container_type&& __c);
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#endif
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template <class _InputIter>
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priority_queue(_InputIter __f, _InputIter __l,
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const value_compare& __comp = value_compare());
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template <class _InputIter>
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priority_queue(_InputIter __f, _InputIter __l,
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const value_compare& __comp, const container_type& __c);
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#ifdef _LIBCPP_MOVE
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template <class _InputIter>
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priority_queue(_InputIter __f, _InputIter __l,
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const value_compare& __comp, container_type&& __c);
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priority_queue(priority_queue&& __q);
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priority_queue& operator=(priority_queue&& __q);
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#endif
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template <class _Alloc>
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explicit priority_queue(const _Alloc& __a,
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typename enable_if<uses_allocator<container_type,
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_Alloc>::value>::type* = 0);
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template <class _Alloc>
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priority_queue(const value_compare& __comp, const _Alloc& __a,
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typename enable_if<uses_allocator<container_type,
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_Alloc>::value>::type* = 0);
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template <class _Alloc>
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priority_queue(const value_compare& __comp, const container_type& __c,
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const _Alloc& __a,
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typename enable_if<uses_allocator<container_type,
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_Alloc>::value>::type* = 0);
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template <class _Alloc>
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priority_queue(const priority_queue& __q, const _Alloc& __a,
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typename enable_if<uses_allocator<container_type,
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_Alloc>::value>::type* = 0);
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#ifdef _LIBCPP_MOVE
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template <class _Alloc>
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priority_queue(const value_compare& __comp, container_type&& __c,
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const _Alloc& __a,
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typename enable_if<uses_allocator<container_type,
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_Alloc>::value>::type* = 0);
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template <class _Alloc>
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priority_queue(priority_queue&& __q, const _Alloc& __a,
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typename enable_if<uses_allocator<container_type,
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_Alloc>::value>::type* = 0);
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#endif
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bool empty() const {return c.empty();}
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size_type size() const {return c.size();}
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const_reference top() const {return c.front();}
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void push(const value_type& __v);
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#ifdef _LIBCPP_MOVE
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void push(value_type&& __v);
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template <class... _Args> void emplace(_Args&&... __args);
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#endif
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void pop();
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void swap(priority_queue& __q);
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};
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template <class _Tp, class _Container, class _Compare>
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inline
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priority_queue<_Tp, _Container, _Compare>::priority_queue(const _Compare& __comp,
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const container_type& __c)
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: c(__c),
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comp(__comp)
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{
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_STD::make_heap(c.begin(), c.end(), comp);
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}
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#ifdef _LIBCPP_MOVE
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template <class _Tp, class _Container, class _Compare>
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inline
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priority_queue<_Tp, _Container, _Compare>::priority_queue(const value_compare& __comp,
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container_type&& __c)
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: c(_STD::move(__c)),
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comp(__comp)
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{
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_STD::make_heap(c.begin(), c.end(), comp);
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}
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#endif
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template <class _Tp, class _Container, class _Compare>
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template <class _InputIter>
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inline
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priority_queue<_Tp, _Container, _Compare>::priority_queue(_InputIter __f, _InputIter __l,
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const value_compare& __comp)
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: c(__f, __l),
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comp(__comp)
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{
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_STD::make_heap(c.begin(), c.end(), comp);
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}
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template <class _Tp, class _Container, class _Compare>
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template <class _InputIter>
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inline
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priority_queue<_Tp, _Container, _Compare>::priority_queue(_InputIter __f, _InputIter __l,
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const value_compare& __comp,
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const container_type& __c)
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: c(__c),
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comp(__comp)
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{
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c.insert(c.end(), __f, __l);
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_STD::make_heap(c.begin(), c.end(), comp);
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}
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#ifdef _LIBCPP_MOVE
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template <class _Tp, class _Container, class _Compare>
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template <class _InputIter>
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inline
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priority_queue<_Tp, _Container, _Compare>::priority_queue(_InputIter __f, _InputIter __l,
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const value_compare& __comp,
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container_type&& __c)
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: c(_STD::move(__c)),
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comp(__comp)
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{
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c.insert(c.end(), __f, __l);
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_STD::make_heap(c.begin(), c.end(), comp);
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}
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template <class _Tp, class _Container, class _Compare>
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inline
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priority_queue<_Tp, _Container, _Compare>::priority_queue(priority_queue&& __q)
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: c(_STD::move(__q.c)),
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comp(_STD::move(__q.comp))
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{
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}
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template <class _Tp, class _Container, class _Compare>
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priority_queue<_Tp, _Container, _Compare>&
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priority_queue<_Tp, _Container, _Compare>::operator=(priority_queue&& __q)
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{
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c = _STD::move(__q.c);
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comp = _STD::move(__q.comp);
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return *this;
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}
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#endif
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template <class _Tp, class _Container, class _Compare>
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template <class _Alloc>
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inline
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priority_queue<_Tp, _Container, _Compare>::priority_queue(const _Alloc& __a,
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typename enable_if<uses_allocator<container_type,
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_Alloc>::value>::type*)
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: c(__a)
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{
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}
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template <class _Tp, class _Container, class _Compare>
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template <class _Alloc>
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inline
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priority_queue<_Tp, _Container, _Compare>::priority_queue(const value_compare& __comp,
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const _Alloc& __a,
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typename enable_if<uses_allocator<container_type,
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_Alloc>::value>::type*)
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: c(__a),
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comp(__comp)
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{
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}
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template <class _Tp, class _Container, class _Compare>
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template <class _Alloc>
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inline
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priority_queue<_Tp, _Container, _Compare>::priority_queue(const value_compare& __comp,
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const container_type& __c,
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const _Alloc& __a,
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typename enable_if<uses_allocator<container_type,
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_Alloc>::value>::type*)
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: c(__c, __a),
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comp(__comp)
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{
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_STD::make_heap(c.begin(), c.end(), comp);
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}
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template <class _Tp, class _Container, class _Compare>
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template <class _Alloc>
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inline
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priority_queue<_Tp, _Container, _Compare>::priority_queue(const priority_queue& __q,
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const _Alloc& __a,
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typename enable_if<uses_allocator<container_type,
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_Alloc>::value>::type*)
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: c(__q.c, __a),
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comp(__q.comp)
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|
{
|
|
_STD::make_heap(c.begin(), c.end(), comp);
|
|
}
|
|
|
|
#ifdef _LIBCPP_MOVE
|
|
|
|
template <class _Tp, class _Container, class _Compare>
|
|
template <class _Alloc>
|
|
inline
|
|
priority_queue<_Tp, _Container, _Compare>::priority_queue(const value_compare& __comp,
|
|
container_type&& __c,
|
|
const _Alloc& __a,
|
|
typename enable_if<uses_allocator<container_type,
|
|
_Alloc>::value>::type*)
|
|
: c(_STD::move(__c), __a),
|
|
comp(__comp)
|
|
{
|
|
_STD::make_heap(c.begin(), c.end(), comp);
|
|
}
|
|
|
|
|
|
template <class _Tp, class _Container, class _Compare>
|
|
template <class _Alloc>
|
|
inline
|
|
priority_queue<_Tp, _Container, _Compare>::priority_queue(priority_queue&& __q,
|
|
const _Alloc& __a,
|
|
typename enable_if<uses_allocator<container_type,
|
|
_Alloc>::value>::type*)
|
|
: c(_STD::move(__q.c), __a),
|
|
comp(_STD::move(__q.comp))
|
|
{
|
|
_STD::make_heap(c.begin(), c.end(), comp);
|
|
}
|
|
|
|
#endif
|
|
|
|
template <class _Tp, class _Container, class _Compare>
|
|
inline
|
|
void
|
|
priority_queue<_Tp, _Container, _Compare>::push(const value_type& __v)
|
|
{
|
|
c.push_back(__v);
|
|
_STD::push_heap(c.begin(), c.end(), comp);
|
|
}
|
|
|
|
#ifdef _LIBCPP_MOVE
|
|
|
|
template <class _Tp, class _Container, class _Compare>
|
|
inline
|
|
void
|
|
priority_queue<_Tp, _Container, _Compare>::push(value_type&& __v)
|
|
{
|
|
c.push_back(_STD::move(__v));
|
|
_STD::push_heap(c.begin(), c.end(), comp);
|
|
}
|
|
|
|
template <class _Tp, class _Container, class _Compare>
|
|
template <class... _Args>
|
|
inline
|
|
void
|
|
priority_queue<_Tp, _Container, _Compare>::emplace(_Args&&... __args)
|
|
{
|
|
c.emplace_back(_STD::forward<_Args>(__args)...);
|
|
_STD::push_heap(c.begin(), c.end(), comp);
|
|
}
|
|
|
|
#endif
|
|
|
|
template <class _Tp, class _Container, class _Compare>
|
|
inline
|
|
void
|
|
priority_queue<_Tp, _Container, _Compare>::pop()
|
|
{
|
|
_STD::pop_heap(c.begin(), c.end(), comp);
|
|
c.pop_back();
|
|
}
|
|
|
|
template <class _Tp, class _Container, class _Compare>
|
|
inline
|
|
void
|
|
priority_queue<_Tp, _Container, _Compare>::swap(priority_queue& __q)
|
|
{
|
|
using _STD::swap;
|
|
swap(c, __q.c);
|
|
swap(comp, __q.comp);
|
|
}
|
|
|
|
template <class _Tp, class _Container, class _Compare>
|
|
inline
|
|
void
|
|
swap(priority_queue<_Tp, _Container, _Compare>& __x,
|
|
priority_queue<_Tp, _Container, _Compare>& __y)
|
|
{
|
|
__x.swap(__y);
|
|
}
|
|
|
|
template <class _Tp, class _Container, class _Compare, class _Alloc>
|
|
struct uses_allocator<priority_queue<_Tp, _Container, _Compare>, _Alloc>
|
|
: public uses_allocator<_Container, _Alloc>
|
|
{
|
|
};
|
|
|
|
_LIBCPP_END_NAMESPACE_STD
|
|
|
|
#endif // _LIBCPP_QUEUE
|