| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP___MEMORY_AUTO_PTR_H |
| #define _LIBCPP___MEMORY_AUTO_PTR_H |
| |
| #include <__config> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| _LIBCPP_PUSH_MACROS |
| #include <__undef_macros> |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| template <class _Tp> |
| struct _LIBCPP_DEPRECATED_IN_CXX11 auto_ptr_ref |
| { |
| _Tp* __ptr_; |
| }; |
| |
| template<class _Tp> |
| class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 auto_ptr |
| { |
| private: |
| _Tp* __ptr_; |
| public: |
| typedef _Tp element_type; |
| |
| _LIBCPP_INLINE_VISIBILITY explicit auto_ptr(_Tp* __p = 0) _NOEXCEPT : __ptr_(__p) {} |
| _LIBCPP_INLINE_VISIBILITY auto_ptr(auto_ptr& __p) _NOEXCEPT : __ptr_(__p.release()) {} |
| template<class _Up> _LIBCPP_INLINE_VISIBILITY auto_ptr(auto_ptr<_Up>& __p) _NOEXCEPT |
| : __ptr_(__p.release()) {} |
| _LIBCPP_INLINE_VISIBILITY auto_ptr& operator=(auto_ptr& __p) _NOEXCEPT |
| {reset(__p.release()); return *this;} |
| template<class _Up> _LIBCPP_INLINE_VISIBILITY auto_ptr& operator=(auto_ptr<_Up>& __p) _NOEXCEPT |
| {reset(__p.release()); return *this;} |
| _LIBCPP_INLINE_VISIBILITY auto_ptr& operator=(auto_ptr_ref<_Tp> __p) _NOEXCEPT |
| {reset(__p.__ptr_); return *this;} |
| _LIBCPP_INLINE_VISIBILITY ~auto_ptr() _NOEXCEPT {delete __ptr_;} |
| |
| _LIBCPP_INLINE_VISIBILITY _Tp& operator*() const _NOEXCEPT |
| {return *__ptr_;} |
| _LIBCPP_INLINE_VISIBILITY _Tp* operator->() const _NOEXCEPT {return __ptr_;} |
| _LIBCPP_INLINE_VISIBILITY _Tp* get() const _NOEXCEPT {return __ptr_;} |
| _LIBCPP_INLINE_VISIBILITY _Tp* release() _NOEXCEPT |
| { |
| _Tp* __t = __ptr_; |
| __ptr_ = nullptr; |
| return __t; |
| } |
| _LIBCPP_INLINE_VISIBILITY void reset(_Tp* __p = 0) _NOEXCEPT |
| { |
| if (__ptr_ != __p) |
| delete __ptr_; |
| __ptr_ = __p; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY auto_ptr(auto_ptr_ref<_Tp> __p) _NOEXCEPT : __ptr_(__p.__ptr_) {} |
| template<class _Up> _LIBCPP_INLINE_VISIBILITY operator auto_ptr_ref<_Up>() _NOEXCEPT |
| {auto_ptr_ref<_Up> __t; __t.__ptr_ = release(); return __t;} |
| template<class _Up> _LIBCPP_INLINE_VISIBILITY operator auto_ptr<_Up>() _NOEXCEPT |
| {return auto_ptr<_Up>(release());} |
| }; |
| |
| template <> |
| class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 auto_ptr<void> |
| { |
| public: |
| typedef void element_type; |
| }; |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| _LIBCPP_POP_MACROS |
| |
| #endif // _LIBCPP___MEMORY_AUTO_PTR_H |