codekingpro/portable-devtools

1// -*- C++ -*-2//===----------------------- initializer_list -----------------------------===//3//4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.5// See https://llvm.org/LICENSE.txt for license information.6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception7//8//===----------------------------------------------------------------------===//9 10#ifndef _LIBCUDACXX_INITIALIZER_LIST11#define _LIBCUDACXX_INITIALIZER_LIST12 13/*14    initializer_list synopsis15 16namespace std17{18 19template<class E>20class initializer_list21{22public:23    typedef E        value_type;24    typedef const E& reference;25    typedef const E& const_reference;26    typedef size_t   size_type;27 28    typedef const E* iterator;29    typedef const E* const_iterator;30 31    initializer_list() noexcept; // constexpr in C++1432 33    size_t   size()  const noexcept; // constexpr in C++1434    const E* begin() const noexcept; // constexpr in C++1435    const E* end()   const noexcept; // constexpr in C++1436};37 38template<class E> const E* begin(initializer_list<E> il) noexcept; // constexpr in C++1439template<class E> const E* end(initializer_list<E> il) noexcept; // constexpr in C++1440 41}  // std42 43*/44 45#ifndef __cuda_std__46#include <__config>47 48#include "cstddef"49 50#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)51#  pragma GCC system_header52#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)53#  pragma clang system_header54#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)55#  pragma system_header56#endif // no system header57 58namespace std  // purposefully not versioned59{60 61template<class _Ep>62class _LIBCUDACXX_TEMPLATE_VIS initializer_list63{64    const _Ep* __begin_;65    size_t    __size_;66 67    _LIBCUDACXX_INLINE_VISIBILITY68    _LIBCUDACXX_CONSTEXPR_AFTER_CXX1169    initializer_list(const _Ep* __b, size_t __s) noexcept70        : __begin_(__b),71          __size_(__s)72        {}73public:74    typedef _Ep        value_type;75    typedef const _Ep& reference;76    typedef const _Ep& const_reference;77    typedef size_t    size_type;78 79    typedef const _Ep* iterator;80    typedef const _Ep* const_iterator;81 82    _LIBCUDACXX_INLINE_VISIBILITY83    _LIBCUDACXX_CONSTEXPR_AFTER_CXX1184    initializer_list() noexcept : __begin_(nullptr), __size_(0) {}85 86    _LIBCUDACXX_INLINE_VISIBILITY87    _LIBCUDACXX_CONSTEXPR_AFTER_CXX1188    size_t    size()  const noexcept {return __size_;}89 90    _LIBCUDACXX_INLINE_VISIBILITY91    _LIBCUDACXX_CONSTEXPR_AFTER_CXX1192    const _Ep* begin() const noexcept {return __begin_;}93 94    _LIBCUDACXX_INLINE_VISIBILITY95    _LIBCUDACXX_CONSTEXPR_AFTER_CXX1196    const _Ep* end()   const noexcept {return __begin_ + __size_;}97};98 99template<class _Ep>100inline _LIBCUDACXX_INLINE_VISIBILITY101_LIBCUDACXX_CONSTEXPR_AFTER_CXX11102const _Ep*103begin(initializer_list<_Ep> __il) noexcept104{105    return __il.begin();106}107 108template<class _Ep>109inline _LIBCUDACXX_INLINE_VISIBILITY110_LIBCUDACXX_CONSTEXPR_AFTER_CXX11111const _Ep*112end(initializer_list<_Ep> __il) noexcept113{114    return __il.end();115}116 117}  // std118 119#else120 121#if !defined(_LIBCUDACXX_COMPILER_NVRTC)122#include <initializer_list>123#endif124 125_LIBCUDACXX_BEGIN_NAMESPACE_STD126    using ::std::initializer_list;127_LIBCUDACXX_END_NAMESPACE_STD128 129#endif // __cuda_std__130 131#endif  // _LIBCUDACXX_INITIALIZER_LIST132