mirror of
https://github.com/darlinghq/darling-libcxx.git
synced 2024-11-23 11:59:52 +00:00
a574ade231
It turns out that llvmorg-14.0.6 might be too new for dyld (the vector base class no longer exist in that release).
62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
// -*- C++ -*-
|
|
//===--------------------------- __nullptr --------------------------------===//
|
|
//
|
|
// 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_NULLPTR
|
|
#define _LIBCPP_NULLPTR
|
|
|
|
#include <__config>
|
|
|
|
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
|
|
#pragma GCC system_header
|
|
#endif
|
|
|
|
#ifdef _LIBCPP_HAS_NO_NULLPTR
|
|
|
|
_LIBCPP_BEGIN_NAMESPACE_STD
|
|
|
|
struct _LIBCPP_TEMPLATE_VIS nullptr_t
|
|
{
|
|
void* __lx;
|
|
|
|
struct __nat {int __for_bool_;};
|
|
|
|
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR nullptr_t() : __lx(0) {}
|
|
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR nullptr_t(int __nat::*) : __lx(0) {}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR operator int __nat::*() const {return 0;}
|
|
|
|
template <class _Tp>
|
|
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
|
|
operator _Tp* () const {return 0;}
|
|
|
|
template <class _Tp, class _Up>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
operator _Tp _Up::* () const {return 0;}
|
|
|
|
friend _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR bool operator==(nullptr_t, nullptr_t) {return true;}
|
|
friend _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR bool operator!=(nullptr_t, nullptr_t) {return false;}
|
|
};
|
|
|
|
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR nullptr_t __get_nullptr_t() {return nullptr_t(0);}
|
|
|
|
#define nullptr _VSTD::__get_nullptr_t()
|
|
|
|
_LIBCPP_END_NAMESPACE_STD
|
|
|
|
#else // _LIBCPP_HAS_NO_NULLPTR
|
|
|
|
namespace std
|
|
{
|
|
typedef decltype(nullptr) nullptr_t;
|
|
}
|
|
|
|
#endif // _LIBCPP_HAS_NO_NULLPTR
|
|
|
|
#endif // _LIBCPP_NULLPTR
|