ad2fbea797
This has the benefit of consistent placement for these macros (outside the namespace, not inside it). This, in turn, makes it more obvious that the condition applies to the entire namespace scope. Compile times are also reduced a bit, since the compiler doesn't have to open a namespace just to close it again. This is enforced with a clang-tidy check. As a drive-by this also fixes a few macro comments.
80 lines
2.2 KiB
C++
80 lines
2.2 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_CUCHAR
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#define _LIBCPP_CUCHAR
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/*
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cuchar synopsis // since C++11
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Macros:
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__STDC_UTF_16__
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__STDC_UTF_32__
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namespace std {
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Types:
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mbstate_t
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size_t
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size_t mbrtoc8(char8_t* pc8, const char* s, size_t n, mbstate_t* ps); // since C++20
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size_t c8rtomb(char* s, char8_t c8, mbstate_t* ps); // since C++20
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size_t mbrtoc16(char16_t* pc16, const char* s, size_t n, mbstate_t* ps);
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size_t c16rtomb(char* s, char16_t c16, mbstate_t* ps);
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size_t mbrtoc32(char32_t* pc32, const char* s, size_t n, mbstate_t* ps);
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size_t c32rtomb(char* s, char32_t c32, mbstate_t* ps);
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} // std
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*/
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#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
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# include <__cxx03/cuchar>
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#else
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# include <__config>
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# include <__cstddef/size_t.h>
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# include <uchar.h>
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# ifndef _LIBCPP_UCHAR_H
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# error <cuchar> tried including <uchar.h> but didn't find libc++'s <uchar.h> header. \
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This usually means that your header search paths are not configured properly. \
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The header search paths should contain the C++ Standard Library headers before \
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any C Standard Library, and you are probably using compiler flags that make that \
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not be the case.
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# endif
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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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# if !defined(_LIBCPP_CXX03_LANG)
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_LIBCPP_BEGIN_NAMESPACE_STD
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using ::mbstate_t _LIBCPP_USING_IF_EXISTS;
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# if _LIBCPP_HAS_C8RTOMB_MBRTOC8
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using ::mbrtoc8 _LIBCPP_USING_IF_EXISTS;
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using ::c8rtomb _LIBCPP_USING_IF_EXISTS;
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# endif
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using ::mbrtoc16 _LIBCPP_USING_IF_EXISTS;
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using ::c16rtomb _LIBCPP_USING_IF_EXISTS;
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using ::mbrtoc32 _LIBCPP_USING_IF_EXISTS;
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using ::c32rtomb _LIBCPP_USING_IF_EXISTS;
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_LIBCPP_END_NAMESPACE_STD
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# endif // _LIBCPP_CXX03_LANG
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#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
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#endif // _LIBCPP_CUCHAR
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