diff options
Diffstat (limited to 'data/iphoneos-sdk/v1/__nullptr')
-rwxr-xr-x | data/iphoneos-sdk/v1/__nullptr | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/data/iphoneos-sdk/v1/__nullptr b/data/iphoneos-sdk/v1/__nullptr new file mode 100755 index 000000000..a341234f5 --- /dev/null +++ b/data/iphoneos-sdk/v1/__nullptr @@ -0,0 +1,62 @@ +// -*- C++ -*- +//===--------------------------- __nullptr --------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#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_ALWAYS_INLINE _LIBCPP_CONSTEXPR nullptr_t() : __lx(0) {} + _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR nullptr_t(int __nat::*) : __lx(0) {} + + _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR operator int __nat::*() const {return 0;} + + template <class _Tp> + _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR + operator _Tp* () const {return 0;} + + template <class _Tp, class _Up> + _LIBCPP_ALWAYS_INLINE + operator _Tp _Up::* () const {return 0;} + + friend _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR bool operator==(nullptr_t, nullptr_t) {return true;} + friend _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR bool operator!=(nullptr_t, nullptr_t) {return false;} +}; + +inline _LIBCPP_ALWAYS_INLINE _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 |