e78f53d1e8
This reverts commit 68c04b0ae62d8431d72d8b47fc13008002ee4387. This disables the IWYU mapping that caused the failure, since the headers aren't reachable for now. This is the first part of the "Freezing C++03 headers" proposal explained in https://discourse.llvm.org/t/rfc-freezing-c-03-headers-in-libc/77319/58. This patch mechanically copies the headers as of the LLVM 19.1 release into a subdirectory of libc++ so that we can start using these headers when building in C++03 mode. We are going to be backporting important changes to that copy of the headers until the LLVM 21 release. After the LLVM 21 release, only critical bugfixes will be fixed in the C++03 copy of the headers. This patch only performs a copy of the headers -- these headers are still unused by the rest of the codebase.
128 lines
4.0 KiB
C++
128 lines
4.0 KiB
C++
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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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_EXPERIMENTAL_ITERATOR
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#define _LIBCPP_EXPERIMENTAL_ITERATOR
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/*
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namespace std {
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namespace experimental {
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inline namespace fundamentals_v2 {
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template <class DelimT, class charT = char, class traits = char_traits<charT>>
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class ostream_joiner {
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public:
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typedef charT char_type;
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typedef traits traits_type;
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typedef basic_ostream<charT, traits> ostream_type;
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typedef output_iterator_tag iterator_category;
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typedef void value_type;
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typedef void difference_type;
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typedef void pointer;
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typedef void reference;
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ostream_joiner(ostream_type& s, const DelimT& delimiter);
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ostream_joiner(ostream_type& s, DelimT&& delimiter);
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template<typename T>
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ostream_joiner& operator=(const T& value);
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ostream_joiner& operator*() noexcept;
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ostream_joiner& operator++() noexcept;
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ostream_joiner& operator++(int) noexcept;
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private:
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ostream_type* out_stream; // exposition only
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DelimT delim; // exposition only
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bool first_element; // exposition only
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};
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template <class charT, class traits, class DelimT>
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ostream_joiner<decay_t<DelimT>, charT, traits>
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make_ostream_joiner(basic_ostream<charT, traits>& os, DelimT&& delimiter);
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} // inline namespace fundamentals_v2
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} // namespace experimental
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} // namespace std
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*/
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#include <__memory/addressof.h>
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#include <__type_traits/decay.h>
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#include <__utility/forward.h>
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#include <__utility/move.h>
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#include <experimental/__config>
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#include <iterator>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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_LIBCPP_PUSH_MACROS
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#include <__undef_macros>
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#if _LIBCPP_STD_VER >= 14
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_LIBCPP_BEGIN_NAMESPACE_LFTS
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template <class _Delim, class _CharT = char, class _Traits = char_traits<_CharT>>
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class ostream_joiner {
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public:
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typedef _CharT char_type;
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typedef _Traits traits_type;
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typedef basic_ostream<char_type, traits_type> ostream_type;
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typedef output_iterator_tag iterator_category;
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typedef void value_type;
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typedef void difference_type;
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typedef void pointer;
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typedef void reference;
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_LIBCPP_HIDE_FROM_ABI ostream_joiner(ostream_type& __os, _Delim&& __d)
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: __output_iter_(std::addressof(__os)), __delim_(std::move(__d)), __first_(true) {}
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_LIBCPP_HIDE_FROM_ABI ostream_joiner(ostream_type& __os, const _Delim& __d)
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: __output_iter_(std::addressof(__os)), __delim_(__d), __first_(true) {}
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template <typename _Tp>
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_LIBCPP_HIDE_FROM_ABI ostream_joiner& operator=(const _Tp& __v) {
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if (!__first_)
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*__output_iter_ << __delim_;
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__first_ = false;
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*__output_iter_ << __v;
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return *this;
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}
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_LIBCPP_HIDE_FROM_ABI ostream_joiner& operator*() _NOEXCEPT { return *this; }
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_LIBCPP_HIDE_FROM_ABI ostream_joiner& operator++() _NOEXCEPT { return *this; }
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_LIBCPP_HIDE_FROM_ABI ostream_joiner& operator++(int) _NOEXCEPT { return *this; }
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private:
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ostream_type* __output_iter_;
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_Delim __delim_;
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bool __first_;
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};
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template <class _CharT, class _Traits, class _Delim>
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_LIBCPP_HIDE_FROM_ABI ostream_joiner<__decay_t<_Delim>, _CharT, _Traits>
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make_ostream_joiner(basic_ostream<_CharT, _Traits>& __os, _Delim&& __d) {
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return ostream_joiner<__decay_t<_Delim>, _CharT, _Traits>(__os, std::forward<_Delim>(__d));
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}
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_LIBCPP_END_NAMESPACE_LFTS
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#endif // _LIBCPP_STD_VER >= 14
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_LIBCPP_POP_MACROS
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#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
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# include <iosfwd>
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# include <type_traits>
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#endif
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#endif // _LIBCPP_EXPERIMENTAL_ITERATOR
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