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Merge pull request swiftlang#7616 from ian-twilightcoder/split-stdarg-stddef
[cherry-pick stable/20230725] [Headers][Modules] Make separate headers for the stdarg.h and stddef.h pieces so that they can be modularized
2 parents 7568fda + 938f0a5 commit 309e169

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24 files changed

+313
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lines changed

‎clang-tools-extra/clang-include-fixer/find-all-symbols/STLPostfixHeaderMap.cpp‎

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@@ -13,7 +13,21 @@ namespace find_all_symbols {
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const HeaderMapCollector::RegexHeaderMap *getSTLPostfixHeaderMap() {
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static const HeaderMapCollector::RegexHeaderMap STLPostfixHeaderMap = {
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{"include/__stdarg___gnuc_va_list.h$", "<cstdarg>"},
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{"include/__stdarg___va_copy.h$", "<cstdarg>"},
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{"include/__stdarg_va_arg.h$", "<cstdarg>"},
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{"include/__stdarg_va_copy.h$", "<cstdarg>"},
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{"include/__stdarg_va_list.h$", "<cstdarg>"},
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{"include/__stddef_max_align_t.h$", "<cstddef>"},
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{"include/__stddef_null.h$", "<cstddef>"},
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{"include/__stddef_nullptr_t.h$", "<cstddef>"},
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{"include/__stddef_offsetof.h$", "<cstddef>"},
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{"include/__stddef_ptrdiff_t.h$", "<cstddef>"},
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{"include/__stddef_rsize_t.h$", "<cstddef>"},
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{"include/__stddef_size_t.h$", "<cstddef>"},
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{"include/__stddef_unreachable.h$", "<cstddef>"},
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{"include/__stddef_wchar_t.h$", "<cstddef>"},
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{"include/__stddef_wint_t.h$", "<cstddef>"},
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{"include/__wmmintrin_aes.h$", "<wmmintrin.h>"},
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{"include/__wmmintrin_pclmul.h$", "<wmmintrin.h>"},
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{"include/adxintrin.h$", "<immintrin.h>"},

‎clang-tools-extra/clangd/index/CanonicalIncludes.cpp‎

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@@ -16,7 +16,21 @@ namespace clang {
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namespace clangd {
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namespace {
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const std::pair<llvm::StringRef, llvm::StringRef> IncludeMappings[] = {
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{"include/__stdarg___gnuc_va_list.h", "<cstdarg>"},
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{"include/__stdarg___va_copy.h", "<cstdarg>"},
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{"include/__stdarg_va_arg.h", "<cstdarg>"},
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{"include/__stdarg_va_copy.h", "<cstdarg>"},
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{"include/__stdarg_va_list.h", "<cstdarg>"},
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{"include/__stddef_max_align_t.h", "<cstddef>"},
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{"include/__stddef_null.h", "<cstddef>"},
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{"include/__stddef_nullptr_t.h", "<cstddef>"},
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{"include/__stddef_offsetof.h", "<cstddef>"},
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{"include/__stddef_ptrdiff_t.h", "<cstddef>"},
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{"include/__stddef_rsize_t.h", "<cstddef>"},
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{"include/__stddef_size_t.h", "<cstddef>"},
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{"include/__stddef_unreachable.h", "<cstddef>"},
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{"include/__stddef_wchar_t.h", "<cstddef>"},
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{"include/__stddef_wint_t.h", "<cstddef>"},
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{"include/__wmmintrin_aes.h", "<wmmintrin.h>"},
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{"include/__wmmintrin_pclmul.h", "<wmmintrin.h>"},
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{"include/adxintrin.h", "<immintrin.h>"},

‎clang/lib/Headers/CMakeLists.txt‎

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@@ -10,10 +10,24 @@ set(core_files
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module.modulemap
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stdalign.h
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stdarg.h
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__stdarg___gnuc_va_list.h
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__stdarg___va_copy.h
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__stdarg_va_arg.h
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__stdarg_va_copy.h
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__stdarg_va_list.h
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stdatomic.h
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stdbool.h
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stddef.h
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__stddef_max_align_t.h
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__stddef_null.h
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__stddef_nullptr_t.h
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__stddef_offsetof.h
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__stddef_ptrdiff_t.h
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__stddef_rsize_t.h
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__stddef_size_t.h
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__stddef_unreachable.h
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__stddef_wchar_t.h
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__stddef_wint_t.h
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stdint.h
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stdnoreturn.h
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tgmath.h

‎clang/lib/Headers/__stdarg___gnuc_va_list.h‎

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/*===---- __stdarg___gnuc_va_list.h - Definition of __gnuc_va_list ---------===
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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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*/
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#ifndef __GNUC_VA_LIST
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#define __GNUC_VA_LIST
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typedef __builtin_va_list __gnuc_va_list;
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#endif

‎clang/lib/Headers/__stdarg___va_copy.h‎

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/*===---- __stdarg___va_copy.h - Definition of __va_copy -------------------===
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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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*/
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#ifndef __va_copy
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#define __va_copy(d, s) __builtin_va_copy(d, s)
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#endif

‎clang/lib/Headers/__stdarg_va_arg.h‎

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/*===---- __stdarg_va_arg.h - Definitions of va_start, va_arg, va_end-------===
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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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*/
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#ifndef va_arg
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/* FIXME: This is using the placeholder dates Clang produces for these macros
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in C2x mode; switch to the correct values once they've been published. */
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#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202000L
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/* C2x does not require the second parameter for va_start. */
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#define va_start(ap, ...) __builtin_va_start(ap, 0)
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#else
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/* Versions before C2x do require the second parameter. */
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#define va_start(ap, param) __builtin_va_start(ap, param)
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#endif
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#define va_end(ap) __builtin_va_end(ap)
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#define va_arg(ap, type) __builtin_va_arg(ap, type)
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#endif

‎clang/lib/Headers/__stdarg_va_copy.h‎

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/*===---- __stdarg_va_copy.h - Definition of va_copy------------------------===
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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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*/
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#ifndef va_copy
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#define va_copy(dest, src) __builtin_va_copy(dest, src)
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#endif

‎clang/lib/Headers/__stdarg_va_list.h‎

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/*===---- __stdarg_va_list.h - Definition of va_list -----------------------===
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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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*/
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#ifndef _VA_LIST
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#define _VA_LIST
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typedef __builtin_va_list va_list;
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#endif

‎clang/lib/Headers/__stddef_null.h‎

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/*===---- __stddef_null.h - Definition of NULL -----------------------------===
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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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*/
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#undef NULL
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#ifdef __cplusplus
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#if !defined(__MINGW32__) && !defined(_MSC_VER)
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#define NULL __null
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#else
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#define NULL 0
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#endif
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#else
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#define NULL ((void *)0)
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#endif

‎clang/lib/Headers/__stddef_nullptr_t.h‎

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/*===---- __stddef_nullptr_t.h - Definition of nullptr_t -------------------===
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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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*/
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#if !defined(_NULLPTR_T) || __has_feature(modules)
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/* Always define nullptr_t when modules are available. */
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#if !__has_feature(modules)
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#define _NULLPTR_T
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#endif
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#ifdef __cplusplus
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#if defined(_MSC_EXTENSIONS) && defined(_NATIVE_NULLPTR_SUPPORTED)
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namespace std {
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typedef decltype(nullptr) nullptr_t;
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}
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using ::std::nullptr_t;
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#endif
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#else
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typedef typeof(nullptr) nullptr_t;
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#endif
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#endif

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