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https://github.com/capstone-engine/llvm-capstone.git
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5aaefa510e
libc++ has started splicing standard library headers into much more fine-grained content for maintainability. It's very likely that outdated and naive tooling (some of which is outside of LLVM's scope) will suggest users include things such as <__ranges/access.h> instead of <ranges>, and Hyrum's law suggests that users will eventually begin to rely on this without the help of tooling. As such, this commit intends to protect users from themselves, by making it a hard error for anyone outside of the standard library to include libc++ detail headers. Differential Revision: https://reviews.llvm.org/D106124
71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___ALGORITHM_RANGES_SWAP_RANGES_H
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#define _LIBCPP___ALGORITHM_RANGES_SWAP_RANGES_H
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#include <__algorithm/in_in_result.h>
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#include <__config>
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#include <__iterator/concepts.h>
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#include <__iterator/iter_swap.h>
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#include <__ranges/access.h>
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#include <__ranges/concepts.h>
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#include <__ranges/dangling.h>
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#include <__utility/move.h>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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# pragma clang include_instead(<algorithm>)
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#endif
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#ifndef _LIBCPP_HAS_NO_CONCEPTS
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_LIBCPP_BEGIN_NAMESPACE_STD
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namespace ranges {
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template <class _I1, class _I2>
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using swap_ranges_result = in_in_result<_I1, _I2>;
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namespace __swap_ranges {
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struct __fn {
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template <input_iterator _I1, sentinel_for<_I1> _S1,
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input_iterator _I2, sentinel_for<_I2> _S2>
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requires indirectly_swappable<_I1, _I2>
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_LIBCPP_HIDE_FROM_ABI constexpr swap_ranges_result<_I1, _I2>
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operator()(_I1 __first1, _S1 __last1, _I2 __first2, _S2 __last2) const {
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while (__first1 != __last1 && __first2 != __last2) {
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ranges::iter_swap(__first1, __first2);
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++__first1;
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++__first2;
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}
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return {_VSTD::move(__first1), _VSTD::move(__first2)};
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}
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template <input_range _R1, input_range _R2>
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requires indirectly_swappable<iterator_t<_R1>, iterator_t<_R2>>
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_LIBCPP_HIDE_FROM_ABI constexpr
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swap_ranges_result<borrowed_iterator_t<_R1>, borrowed_iterator_t<_R2>>
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operator()(_R1&& __r1, _R2&& __r2) const {
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return operator()(ranges::begin(__r1), ranges::end(__r1),
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ranges::begin(__r2), ranges::end(__r2));
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}
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};
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} // namespace __swap_ranges
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inline namespace __cpo {
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inline constexpr auto swap_ranges = __swap_ranges::__fn{};
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} // namespace __cpo
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} // namespace ranges
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP_HAS_NO_RANGES
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#endif // _LIBCPP___ALGORITHM_RANGES_SWAP_RANGES_H
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