libcxx initial import
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/stack b/include/stack
new file mode 100644
index 0000000..d5ac100
--- /dev/null
+++ b/include/stack
@@ -0,0 +1,237 @@
+// -*- C++ -*-
+//===---------------------------- stack -----------------------------------===//
+//
+// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_STACK
+#define _LIBCPP_STACK
+
+/*
+ stack synopsis
+
+namespace std
+{
+
+template <class T, class Container = deque<T>>
+class stack
+{
+public:
+ typedef Container container_type;
+ typedef typename container_type::value_type value_type;
+ typedef typename container_type::reference reference;
+ typedef typename container_type::const_reference const_reference;
+ typedef typename container_type::size_type size_type;
+
+protected:
+ container_type c;
+
+public:
+ explicit stack();
+ explicit stack(const container_type& c);
+ explicit stack(container_type&& c);
+ stack(stack&& s);
+ stack& operator=(stack&& s);
+ template <class Alloc> explicit stack(const Alloc& a);
+ template <class Alloc> stack(const container_type& c, const Alloc& a);
+ template <class Alloc> stack(container_type&& c, const Alloc& a);
+ template <class Alloc> stack(stack&& c, const Alloc& a);
+
+ bool empty() const;
+ size_type size() const;
+ reference top();
+ const_reference top() const;
+
+ void push(const value_type& x);
+ void push(value_type&& x);
+ template <class... Args> void emplace(Args&&... args);
+ void pop();
+
+ void swap(stack& c);
+};
+
+template <class T, class Container>
+ bool operator==(const stack<T, Container>& x, const stack<T, Container>& y);
+template <class T, class Container>
+ bool operator< (const stack<T, Container>& x, const stack<T, Container>& y);
+template <class T, class Container>
+ bool operator!=(const stack<T, Container>& x, const stack<T, Container>& y);
+template <class T, class Container>
+ bool operator> (const stack<T, Container>& x, const stack<T, Container>& y);
+template <class T, class Container>
+ bool operator>=(const stack<T, Container>& x, const stack<T, Container>& y);
+template <class T, class Container>
+ bool operator<=(const stack<T, Container>& x, const stack<T, Container>& y);
+
+template <class T, class Container>
+ void swap(stack<T, Container>& x, stack<T, Container>& y);
+
+} // std
+
+*/
+
+#include <__config>
+#include <deque>
+
+#pragma GCC system_header
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _Tp, class _Container> class stack;
+
+template <class _Tp, class _Container>
+bool
+operator==(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y);
+
+template <class _Tp, class _Container>
+bool
+operator< (const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y);
+
+template <class _Tp, class _Container = deque<_Tp> >
+class stack
+{
+public:
+ typedef _Container container_type;
+ typedef typename container_type::value_type value_type;
+ typedef typename container_type::reference reference;
+ typedef typename container_type::const_reference const_reference;
+ typedef typename container_type::size_type size_type;
+
+protected:
+ container_type c;
+
+public:
+ stack() : c() {}
+ explicit stack(const container_type& __c) : c(__c) {}
+#ifdef _LIBCPP_MOVE
+ explicit stack(container_type&& __c) : c(_STD::move(__c)) {}
+ stack(stack&& __s) : c(_STD::move(__s.c)) {}
+ stack& operator=(stack&& __s) {c = _STD::move(__s.c); return *this;}
+#endif
+ template <class _Alloc>
+ explicit stack(const _Alloc& __a,
+ typename enable_if<uses_allocator<container_type,
+ _Alloc>::value>::type* = 0)
+ : c(__a) {}
+ template <class _Alloc>
+ stack(const container_type& __c, const _Alloc& __a,
+ typename enable_if<uses_allocator<container_type,
+ _Alloc>::value>::type* = 0)
+ : c(__c, __a) {}
+ template <class _Alloc>
+ stack(const stack& __s, const _Alloc& __a,
+ typename enable_if<uses_allocator<container_type,
+ _Alloc>::value>::type* = 0)
+ : c(__s.c, __a) {}
+#ifdef _LIBCPP_MOVE
+ template <class _Alloc>
+ stack(container_type&& __c, const _Alloc& __a,
+ typename enable_if<uses_allocator<container_type,
+ _Alloc>::value>::type* = 0)
+ : c(_STD::move(__c), __a) {}
+ template <class _Alloc>
+ stack(stack&& __s, const _Alloc& __a,
+ typename enable_if<uses_allocator<container_type,
+ _Alloc>::value>::type* = 0)
+ : c(_STD::move(__s.c), __a) {}
+#endif
+
+ bool empty() const {return c.empty();}
+ size_type size() const {return c.size();}
+ reference top() {return c.back();}
+ const_reference top() const {return c.back();}
+
+ void push(const value_type& __v) {c.push_back(__v);}
+#ifdef _LIBCPP_MOVE
+ void push(value_type&& __v) {c.push_back(_STD::move(__v));}
+ template <class... _Args> void emplace(_Args&&... __args)
+ {c.emplace_back(_STD::forward<_Args>(__args)...);}
+#endif
+ void pop() {c.pop_back();}
+
+ void swap(stack& __s)
+ {
+ using _STD::swap;
+ swap(c, __s.c);
+ }
+
+ template <class T1, class _C1>
+ friend
+ bool
+ operator==(const stack<T1, _C1>& __x, const stack<T1, _C1>& __y);
+
+ template <class T1, class _C1>
+ friend
+ bool
+ operator< (const stack<T1, _C1>& __x, const stack<T1, _C1>& __y);
+};
+
+template <class _Tp, class _Container>
+inline
+bool
+operator==(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y)
+{
+ return __x.c == __y.c;
+}
+
+template <class _Tp, class _Container>
+inline
+bool
+operator< (const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y)
+{
+ return __x.c < __y.c;
+}
+
+template <class _Tp, class _Container>
+inline
+bool
+operator!=(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y)
+{
+ return !(__x == __y);
+}
+
+template <class _Tp, class _Container>
+inline
+bool
+operator> (const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y)
+{
+ return __y < __x;
+}
+
+template <class _Tp, class _Container>
+inline
+bool
+operator>=(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y)
+{
+ return !(__x < __y);
+}
+
+template <class _Tp, class _Container>
+inline
+bool
+operator<=(const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y)
+{
+ return !(__y < __x);
+}
+
+template <class _Tp, class _Container>
+inline
+void
+swap(stack<_Tp, _Container>& __x, stack<_Tp, _Container>& __y)
+{
+ __x.swap(__y);
+}
+
+template <class _Tp, class _Container, class _Alloc>
+struct uses_allocator<stack<_Tp, _Container>, _Alloc>
+ : public uses_allocator<_Container, _Alloc>
+{
+};
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP_STACK