mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-07 15:03:34 +00:00
63 lines
1.9 KiB
C++
63 lines
1.9 KiB
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_DESTRUCT_N_H
|
|
#define _LIBCPP___MEMORY_DESTRUCT_N_H
|
|
|
|
#include <__config>
|
|
#include <__type_traits/integral_constant.h>
|
|
#include <__type_traits/is_trivially_destructible.h>
|
|
#include <cstddef>
|
|
|
|
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
|
|
# pragma GCC system_header
|
|
#endif
|
|
|
|
_LIBCPP_BEGIN_NAMESPACE_STD
|
|
|
|
struct __destruct_n {
|
|
private:
|
|
size_t __size_;
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_HIDE_FROM_ABI void __process(_Tp* __p, false_type) _NOEXCEPT {
|
|
for (size_t __i = 0; __i < __size_; ++__i, ++__p)
|
|
__p->~_Tp();
|
|
}
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_HIDE_FROM_ABI void __process(_Tp*, true_type) _NOEXCEPT {}
|
|
|
|
_LIBCPP_HIDE_FROM_ABI void __incr(false_type) _NOEXCEPT { ++__size_; }
|
|
_LIBCPP_HIDE_FROM_ABI void __incr(true_type) _NOEXCEPT {}
|
|
|
|
_LIBCPP_HIDE_FROM_ABI void __set(size_t __s, false_type) _NOEXCEPT { __size_ = __s; }
|
|
_LIBCPP_HIDE_FROM_ABI void __set(size_t, true_type) _NOEXCEPT {}
|
|
|
|
public:
|
|
_LIBCPP_HIDE_FROM_ABI explicit __destruct_n(size_t __s) _NOEXCEPT : __size_(__s) {}
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_HIDE_FROM_ABI void __incr() _NOEXCEPT {
|
|
__incr(integral_constant<bool, is_trivially_destructible<_Tp>::value>());
|
|
}
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_HIDE_FROM_ABI void __set(size_t __s, _Tp*) _NOEXCEPT {
|
|
__set(__s, integral_constant<bool, is_trivially_destructible<_Tp>::value>());
|
|
}
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_HIDE_FROM_ABI void operator()(_Tp* __p) _NOEXCEPT {
|
|
__process(__p, integral_constant<bool, is_trivially_destructible<_Tp>::value>());
|
|
}
|
|
};
|
|
|
|
_LIBCPP_END_NAMESPACE_STD
|
|
|
|
#endif // _LIBCPP___MEMORY_DESTRUCT_N_H
|