[libcxx-commits] [libcxx] ac25172 - [libc++][NFC] clang-format <__config>
Nikolas Klauser via libcxx-commits
libcxx-commits at lists.llvm.org
Mon Jun 13 21:47:43 PDT 2022
Author: Nikolas Klauser
Date: 2022-06-14T06:47:38+02:00
New Revision: ac251726f84d5b7e6533a2e3712920184435b61b
URL: https://github.com/llvm/llvm-project/commit/ac251726f84d5b7e6533a2e3712920184435b61b
DIFF: https://github.com/llvm/llvm-project/commit/ac251726f84d5b7e6533a2e3712920184435b61b.diff
LOG: [libc++][NFC] clang-format <__config>
It's not perfect, but it's a lot better than the status quo.
Reviewed By: ldionne, #libc
Spies: EricWF, aheejin, libcxx-commits, dschuff, krytarowski, fedor.sergeev, mstorsjo, phosek, abrachet
Differential Revision: https://reviews.llvm.org/D127644
Added:
Modified:
libcxx/.clang-format
libcxx/include/__config
Removed:
################################################################################
diff --git a/libcxx/.clang-format b/libcxx/.clang-format
index 527b629c382b..68f0d65e7ba4 100644
--- a/libcxx/.clang-format
+++ b/libcxx/.clang-format
@@ -8,6 +8,7 @@ SpacesInAngles: Leave
AlwaysBreakTemplateDeclarations: true
PointerAlignment: Left
+
# Disable formatting options which may break tests.
SortIncludes: false
ReflowComments: false
diff --git a/libcxx/include/__config b/libcxx/include/__config
index 872555dc9c24..f075441ae44f 100644
--- a/libcxx/include/__config
+++ b/libcxx/include/__config
@@ -24,106 +24,106 @@
#ifdef __cplusplus
-#define _LIBCPP_VERSION 15000
+# define _LIBCPP_VERSION 15000
-#if __STDC_HOSTED__ == 0
-# define _LIBCPP_FREESTANDING
-#endif
+# if __STDC_HOSTED__ == 0
+# define _LIBCPP_FREESTANDING
+# endif
-#ifndef _LIBCPP_STD_VER
-# if __cplusplus <= 201103L
-# define _LIBCPP_STD_VER 11
-# elif __cplusplus <= 201402L
-# define _LIBCPP_STD_VER 14
-# elif __cplusplus <= 201703L
-# define _LIBCPP_STD_VER 17
-# elif __cplusplus <= 202002L
-# define _LIBCPP_STD_VER 20
+# ifndef _LIBCPP_STD_VER
+# if __cplusplus <= 201103L
+# define _LIBCPP_STD_VER 11
+# elif __cplusplus <= 201402L
+# define _LIBCPP_STD_VER 14
+# elif __cplusplus <= 201703L
+# define _LIBCPP_STD_VER 17
+# elif __cplusplus <= 202002L
+# define _LIBCPP_STD_VER 20
+# else
+# define _LIBCPP_STD_VER 22 // current year, or date of c++2b ratification
+# endif
+# endif // _LIBCPP_STD_VER
+
+# if defined(__ELF__)
+# define _LIBCPP_OBJECT_FORMAT_ELF 1
+# elif defined(__MACH__)
+# define _LIBCPP_OBJECT_FORMAT_MACHO 1
+# elif defined(_WIN32)
+# define _LIBCPP_OBJECT_FORMAT_COFF 1
+# elif defined(__wasm__)
+# define _LIBCPP_OBJECT_FORMAT_WASM 1
+# elif defined(_AIX)
+# define _LIBCPP_OBJECT_FORMAT_XCOFF 1
# else
-# define _LIBCPP_STD_VER 22 // current year, or date of c++2b ratification
-# endif
-#endif // _LIBCPP_STD_VER
-
-#if defined(__ELF__)
-# define _LIBCPP_OBJECT_FORMAT_ELF 1
-#elif defined(__MACH__)
-# define _LIBCPP_OBJECT_FORMAT_MACHO 1
-#elif defined(_WIN32)
-# define _LIBCPP_OBJECT_FORMAT_COFF 1
-#elif defined(__wasm__)
-# define _LIBCPP_OBJECT_FORMAT_WASM 1
-#elif defined(_AIX)
-# define _LIBCPP_OBJECT_FORMAT_XCOFF 1
-#else
- // ... add new file formats here ...
-#endif
+// ... add new file formats here ...
+# endif
-#if _LIBCPP_ABI_VERSION >= 2
+# if _LIBCPP_ABI_VERSION >= 2
// Change short string representation so that string data starts at offset 0,
// improving its alignment in some cases.
-# define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
+# define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
// Fix deque iterator type in order to support incomplete types.
-# define _LIBCPP_ABI_INCOMPLETE_TYPES_IN_DEQUE
+# define _LIBCPP_ABI_INCOMPLETE_TYPES_IN_DEQUE
// Fix undefined behavior in how std::list stores its linked nodes.
-# define _LIBCPP_ABI_LIST_REMOVE_NODE_POINTER_UB
+# define _LIBCPP_ABI_LIST_REMOVE_NODE_POINTER_UB
// Fix undefined behavior in how __tree stores its end and parent nodes.
-# define _LIBCPP_ABI_TREE_REMOVE_NODE_POINTER_UB
+# define _LIBCPP_ABI_TREE_REMOVE_NODE_POINTER_UB
// Fix undefined behavior in how __hash_table stores its pointer types.
-# define _LIBCPP_ABI_FIX_UNORDERED_NODE_POINTER_UB
-# define _LIBCPP_ABI_FORWARD_LIST_REMOVE_NODE_POINTER_UB
-# define _LIBCPP_ABI_FIX_UNORDERED_CONTAINER_SIZE_TYPE
+# define _LIBCPP_ABI_FIX_UNORDERED_NODE_POINTER_UB
+# define _LIBCPP_ABI_FORWARD_LIST_REMOVE_NODE_POINTER_UB
+# define _LIBCPP_ABI_FIX_UNORDERED_CONTAINER_SIZE_TYPE
// Define a key function for `bad_function_call` in the library, to centralize
// its vtable and typeinfo to libc++ rather than having all other libraries
// using that class define their own copies.
-# define _LIBCPP_ABI_BAD_FUNCTION_CALL_KEY_FUNCTION
+# define _LIBCPP_ABI_BAD_FUNCTION_CALL_KEY_FUNCTION
// Override the default return value of exception::what() for
// bad_function_call::what() with a string that is specific to
// bad_function_call (see http://wg21.link/LWG2233). This is an ABI break
// because it changes the vtable layout of bad_function_call.
-# define _LIBCPP_ABI_BAD_FUNCTION_CALL_GOOD_WHAT_MESSAGE
+# define _LIBCPP_ABI_BAD_FUNCTION_CALL_GOOD_WHAT_MESSAGE
// Enable optimized version of __do_get_(un)signed which avoids redundant copies.
-# define _LIBCPP_ABI_OPTIMIZED_LOCALE_NUM_GET
+# define _LIBCPP_ABI_OPTIMIZED_LOCALE_NUM_GET
// In C++20 and later, don't derive std::plus from std::binary_function,
// nor std::negate from std::unary_function.
-# define _LIBCPP_ABI_NO_BINDER_BASES
+# define _LIBCPP_ABI_NO_BINDER_BASES
// Give reverse_iterator<T> one data member of type T, not two.
// Also, in C++17 and later, don't derive iterator types from std::iterator.
-# define _LIBCPP_ABI_NO_ITERATOR_BASES
+# define _LIBCPP_ABI_NO_ITERATOR_BASES
// Use the smallest possible integer type to represent the index of the variant.
// Previously libc++ used "unsigned int" exclusively.
-# define _LIBCPP_ABI_VARIANT_INDEX_TYPE_OPTIMIZATION
+# define _LIBCPP_ABI_VARIANT_INDEX_TYPE_OPTIMIZATION
// Unstable attempt to provide a more optimized std::function
-# define _LIBCPP_ABI_OPTIMIZED_FUNCTION
+# define _LIBCPP_ABI_OPTIMIZED_FUNCTION
// All the regex constants must be distinct and nonzero.
-# define _LIBCPP_ABI_REGEX_CONSTANTS_NONZERO
+# define _LIBCPP_ABI_REGEX_CONSTANTS_NONZERO
// Use raw pointers, not wrapped ones, for std::span's iterator type.
-# define _LIBCPP_ABI_SPAN_POINTER_ITERATORS
+# define _LIBCPP_ABI_SPAN_POINTER_ITERATORS
// Re-worked external template instantiations for std::string with a focus on
// performance and fast-path inlining.
-# define _LIBCPP_ABI_STRING_OPTIMIZED_EXTERNAL_INSTANTIATION
+# define _LIBCPP_ABI_STRING_OPTIMIZED_EXTERNAL_INSTANTIATION
// Enable clang::trivial_abi on std::unique_ptr.
-# define _LIBCPP_ABI_ENABLE_UNIQUE_PTR_TRIVIAL_ABI
+# define _LIBCPP_ABI_ENABLE_UNIQUE_PTR_TRIVIAL_ABI
// Enable clang::trivial_abi on std::shared_ptr and std::weak_ptr
-# define _LIBCPP_ABI_ENABLE_SHARED_PTR_TRIVIAL_ABI
+# define _LIBCPP_ABI_ENABLE_SHARED_PTR_TRIVIAL_ABI
// std::random_device holds some state when it uses an implementation that gets
// entropy from a file (see _LIBCPP_USING_DEV_RANDOM). When switching from this
// implementation to another one on a platform that has already shipped
// std::random_device, one needs to retain the same object layout to remain ABI
// compatible. This switch removes these workarounds for platforms that don't care
// about ABI compatibility.
-# define _LIBCPP_ABI_NO_RANDOM_DEVICE_COMPATIBILITY_LAYOUT
+# define _LIBCPP_ABI_NO_RANDOM_DEVICE_COMPATIBILITY_LAYOUT
// Don't export the legacy __basic_string_common class and its methods from the built library.
-# define _LIBCPP_ABI_DO_NOT_EXPORT_BASIC_STRING_COMMON
+# define _LIBCPP_ABI_DO_NOT_EXPORT_BASIC_STRING_COMMON
// Don't export the legacy __vector_base_common class and its methods from the built library.
-# define _LIBCPP_ABI_DO_NOT_EXPORT_VECTOR_BASE_COMMON
+# define _LIBCPP_ABI_DO_NOT_EXPORT_VECTOR_BASE_COMMON
// According to the Standard, `bitset::operator[] const` returns bool
-# define _LIBCPP_ABI_BITSET_VECTOR_BOOL_CONST_SUBSCRIPT_RETURN_BOOL
+# define _LIBCPP_ABI_BITSET_VECTOR_BOOL_CONST_SUBSCRIPT_RETURN_BOOL
// Remove the base 10 implementation of std::to_chars from the dylib.
// The implementation moved to the header, but we still export the symbols from
// the dylib for backwards compatibility.
-# define _LIBCPP_ABI_DO_NOT_EXPORT_TO_CHARS_BASE_10
-#elif _LIBCPP_ABI_VERSION == 1
-# if !(defined(_LIBCPP_OBJECT_FORMAT_COFF)||defined(_LIBCPP_OBJECT_FORMAT_XCOFF))
+# define _LIBCPP_ABI_DO_NOT_EXPORT_TO_CHARS_BASE_10
+# elif _LIBCPP_ABI_VERSION == 1
+# if !(defined(_LIBCPP_OBJECT_FORMAT_COFF) || defined(_LIBCPP_OBJECT_FORMAT_XCOFF))
// Enable compiling copies of now inline methods into the dylib to support
// applications compiled against older libraries. This is unnecessary with
// COFF dllexport semantics, since dllexport forces a non-inline definition
@@ -132,194 +132,194 @@
// the linker will take issue with the symbols in the shared object if the
// weak inline methods get visibility (such as from -fvisibility-inlines-hidden),
// so disable it.
-# define _LIBCPP_DEPRECATED_ABI_LEGACY_LIBRARY_DEFINITIONS_FOR_INLINE_FUNCTIONS
-# endif
+# define _LIBCPP_DEPRECATED_ABI_LEGACY_LIBRARY_DEFINITIONS_FOR_INLINE_FUNCTIONS
+# endif
// Feature macros for disabling pre ABI v1 features. All of these options
// are deprecated.
-# if defined(__FreeBSD__)
-# define _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR
+# if defined(__FreeBSD__)
+# define _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR
+# endif
# endif
-#endif
-#if defined(_LIBCPP_BUILDING_LIBRARY) || _LIBCPP_ABI_VERSION >= 2
+# if defined(_LIBCPP_BUILDING_LIBRARY) || _LIBCPP_ABI_VERSION >= 2
// Enable additional explicit instantiations of iostreams components. This
// reduces the number of weak definitions generated in programs that use
// iostreams by providing a single strong definition in the shared library.
-# define _LIBCPP_ABI_ENABLE_ADDITIONAL_IOSTREAM_EXPLICIT_INSTANTIATIONS_1
+# define _LIBCPP_ABI_ENABLE_ADDITIONAL_IOSTREAM_EXPLICIT_INSTANTIATIONS_1
// Define a key function for `bad_function_call` in the library, to centralize
// its vtable and typeinfo to libc++ rather than having all other libraries
// using that class define their own copies.
-# define _LIBCPP_ABI_BAD_FUNCTION_CALL_KEY_FUNCTION
-#endif
+# define _LIBCPP_ABI_BAD_FUNCTION_CALL_KEY_FUNCTION
+# endif
-#define _LIBCPP_TOSTRING2(x) #x
-#define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x)
+# define _LIBCPP_TOSTRING2(x) # x
+# define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x)
-#if __cplusplus < 201103L
-#define _LIBCPP_CXX03_LANG
-#endif
+# if __cplusplus < 201103L
+# define _LIBCPP_CXX03_LANG
+# endif
-#ifndef __has_attribute
-#define __has_attribute(__x) 0
-#endif
+# ifndef __has_attribute
+# define __has_attribute(__x) 0
+# endif
-#ifndef __has_builtin
-#define __has_builtin(__x) 0
-#endif
+# ifndef __has_builtin
+# define __has_builtin(__x) 0
+# endif
-#ifndef __has_extension
-#define __has_extension(__x) 0
-#endif
+# ifndef __has_extension
+# define __has_extension(__x) 0
+# endif
-#ifndef __has_feature
-#define __has_feature(__x) 0
-#endif
+# ifndef __has_feature
+# define __has_feature(__x) 0
+# endif
-#ifndef __has_cpp_attribute
-#define __has_cpp_attribute(__x) 0
-#endif
+# ifndef __has_cpp_attribute
+# define __has_cpp_attribute(__x) 0
+# endif
// '__is_identifier' returns '0' if '__x' is a reserved identifier provided by
// the compiler and '1' otherwise.
-#ifndef __is_identifier
-#define __is_identifier(__x) 1
-#endif
+# ifndef __is_identifier
+# define __is_identifier(__x) 1
+# endif
-#ifndef __has_declspec_attribute
-#define __has_declspec_attribute(__x) 0
-#endif
+# ifndef __has_declspec_attribute
+# define __has_declspec_attribute(__x) 0
+# endif
-#define __has_keyword(__x) !(__is_identifier(__x))
+# define __has_keyword(__x) !(__is_identifier(__x))
-#ifndef __has_include
-#define __has_include(...) 0
-#endif
+# ifndef __has_include
+# define __has_include(...) 0
+# endif
-#if defined(__apple_build_version__)
-# define _LIBCPP_COMPILER_CLANG_BASED
-# define _LIBCPP_APPLE_CLANG_VER (__apple_build_version__ / 10000)
-#elif defined(__clang__)
-# define _LIBCPP_COMPILER_CLANG_BASED
-# define _LIBCPP_CLANG_VER (__clang_major__ * 100 + __clang_minor__)
-#elif defined(__GNUC__)
-# define _LIBCPP_COMPILER_GCC
-#elif defined(_MSC_VER)
-# define _LIBCPP_COMPILER_MSVC
-#elif defined(__IBMCPP__)
-# define _LIBCPP_COMPILER_IBM
-#endif
+# if defined(__apple_build_version__)
+# define _LIBCPP_COMPILER_CLANG_BASED
+# define _LIBCPP_APPLE_CLANG_VER (__apple_build_version__ / 10000)
+# elif defined(__clang__)
+# define _LIBCPP_COMPILER_CLANG_BASED
+# define _LIBCPP_CLANG_VER (__clang_major__ * 100 + __clang_minor__)
+# elif defined(__GNUC__)
+# define _LIBCPP_COMPILER_GCC
+# elif defined(_MSC_VER)
+# define _LIBCPP_COMPILER_MSVC
+# elif defined(__IBMCPP__)
+# define _LIBCPP_COMPILER_IBM
+# endif
-#if defined(_LIBCPP_COMPILER_GCC) && __cplusplus < 201103L
-#error "libc++ does not support using GCC with C++03. Please enable C++11"
-#endif
+# if defined(_LIBCPP_COMPILER_GCC) && __cplusplus < 201103L
+# error "libc++ does not support using GCC with C++03. Please enable C++11"
+# endif
// FIXME: ABI detection should be done via compiler builtin macros. This
// is just a placeholder until Clang implements such macros. For now assume
// that Windows compilers pretending to be MSVC++ target the Microsoft ABI,
// and allow the user to explicitly specify the ABI to handle cases where this
// heuristic falls short.
-#if defined(_LIBCPP_ABI_FORCE_ITANIUM) && defined(_LIBCPP_ABI_FORCE_MICROSOFT)
-# error "Only one of _LIBCPP_ABI_FORCE_ITANIUM and _LIBCPP_ABI_FORCE_MICROSOFT can be defined"
-#elif defined(_LIBCPP_ABI_FORCE_ITANIUM)
-# define _LIBCPP_ABI_ITANIUM
-#elif defined(_LIBCPP_ABI_FORCE_MICROSOFT)
-# define _LIBCPP_ABI_MICROSOFT
-#else
-# if defined(_WIN32) && defined(_MSC_VER)
+# if defined(_LIBCPP_ABI_FORCE_ITANIUM) && defined(_LIBCPP_ABI_FORCE_MICROSOFT)
+# error "Only one of _LIBCPP_ABI_FORCE_ITANIUM and _LIBCPP_ABI_FORCE_MICROSOFT can be defined"
+# elif defined(_LIBCPP_ABI_FORCE_ITANIUM)
+# define _LIBCPP_ABI_ITANIUM
+# elif defined(_LIBCPP_ABI_FORCE_MICROSOFT)
# define _LIBCPP_ABI_MICROSOFT
# else
-# define _LIBCPP_ABI_ITANIUM
+# if defined(_WIN32) && defined(_MSC_VER)
+# define _LIBCPP_ABI_MICROSOFT
+# else
+# define _LIBCPP_ABI_ITANIUM
+# endif
# endif
-#endif
-#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_NO_VCRUNTIME)
-# define _LIBCPP_ABI_VCRUNTIME
-#endif
+# if defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_NO_VCRUNTIME)
+# define _LIBCPP_ABI_VCRUNTIME
+# endif
// Need to detect which libc we're using if we're on Linux.
-#if defined(__linux__)
-# include <features.h>
-# if defined(__GLIBC_PREREQ)
-# define _LIBCPP_GLIBC_PREREQ(a, b) __GLIBC_PREREQ(a, b)
-# else
-# define _LIBCPP_GLIBC_PREREQ(a, b) 0
-# endif // defined(__GLIBC_PREREQ)
-#endif // defined(__linux__)
-
-#if defined(__MVS__)
-# include <features.h> // for __NATIVE_ASCII_F
-#endif
-
-#ifdef __LITTLE_ENDIAN__
-# if __LITTLE_ENDIAN__
-# define _LIBCPP_LITTLE_ENDIAN
-# endif // __LITTLE_ENDIAN__
-#endif // __LITTLE_ENDIAN__
+# if defined(__linux__)
+# include <features.h>
+# if defined(__GLIBC_PREREQ)
+# define _LIBCPP_GLIBC_PREREQ(a, b) __GLIBC_PREREQ(a, b)
+# else
+# define _LIBCPP_GLIBC_PREREQ(a, b) 0
+# endif // defined(__GLIBC_PREREQ)
+# endif // defined(__linux__)
-#ifdef __BIG_ENDIAN__
-# if __BIG_ENDIAN__
-# define _LIBCPP_BIG_ENDIAN
-# endif // __BIG_ENDIAN__
-#endif // __BIG_ENDIAN__
+# if defined(__MVS__)
+# include <features.h> // for __NATIVE_ASCII_F
+# endif
-#ifdef __BYTE_ORDER__
-# if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+# ifdef __LITTLE_ENDIAN__
+# if __LITTLE_ENDIAN__
+# define _LIBCPP_LITTLE_ENDIAN
+# endif // __LITTLE_ENDIAN__
+# endif // __LITTLE_ENDIAN__
+
+# ifdef __BIG_ENDIAN__
+# if __BIG_ENDIAN__
+# define _LIBCPP_BIG_ENDIAN
+# endif // __BIG_ENDIAN__
+# endif // __BIG_ENDIAN__
+
+# ifdef __BYTE_ORDER__
+# if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+# define _LIBCPP_LITTLE_ENDIAN
+# elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+# define _LIBCPP_BIG_ENDIAN
+# endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+# endif // __BYTE_ORDER__
+
+# ifdef __FreeBSD__
+# include <sys/endian.h>
+# include <osreldate.h>
+# if _BYTE_ORDER == _LITTLE_ENDIAN
+# define _LIBCPP_LITTLE_ENDIAN
+# else // _BYTE_ORDER == _LITTLE_ENDIAN
+# define _LIBCPP_BIG_ENDIAN
+# endif // _BYTE_ORDER == _LITTLE_ENDIAN
+# endif // __FreeBSD__
+
+# if defined(__NetBSD__) || defined(__OpenBSD__)
+# include <sys/endian.h>
+# if _BYTE_ORDER == _LITTLE_ENDIAN
+# define _LIBCPP_LITTLE_ENDIAN
+# else // _BYTE_ORDER == _LITTLE_ENDIAN
+# define _LIBCPP_BIG_ENDIAN
+# endif // _BYTE_ORDER == _LITTLE_ENDIAN
+# endif // defined(__NetBSD__) || defined(__OpenBSD__)
+
+# if defined(_WIN32)
+# define _LIBCPP_WIN32API
# define _LIBCPP_LITTLE_ENDIAN
-# elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
-# define _LIBCPP_BIG_ENDIAN
-# endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
-#endif // __BYTE_ORDER__
-
-#ifdef __FreeBSD__
-# include <sys/endian.h>
-# include <osreldate.h>
-# if _BYTE_ORDER == _LITTLE_ENDIAN
-# define _LIBCPP_LITTLE_ENDIAN
-# else // _BYTE_ORDER == _LITTLE_ENDIAN
-# define _LIBCPP_BIG_ENDIAN
-# endif // _BYTE_ORDER == _LITTLE_ENDIAN
-#endif // __FreeBSD__
-
-#if defined(__NetBSD__) || defined(__OpenBSD__)
-# include <sys/endian.h>
-# if _BYTE_ORDER == _LITTLE_ENDIAN
-# define _LIBCPP_LITTLE_ENDIAN
-# else // _BYTE_ORDER == _LITTLE_ENDIAN
-# define _LIBCPP_BIG_ENDIAN
-# endif // _BYTE_ORDER == _LITTLE_ENDIAN
-#endif // defined(__NetBSD__) || defined(__OpenBSD__)
-
-#if defined(_WIN32)
-# define _LIBCPP_WIN32API
-# define _LIBCPP_LITTLE_ENDIAN
-# define _LIBCPP_SHORT_WCHAR 1
+# define _LIBCPP_SHORT_WCHAR 1
// Both MinGW and native MSVC provide a "MSVC"-like environment
-# define _LIBCPP_MSVCRT_LIKE
+# define _LIBCPP_MSVCRT_LIKE
// If mingw not explicitly detected, assume using MS C runtime only if
// a MS compatibility version is specified.
-# if defined(_MSC_VER) && !defined(__MINGW32__)
-# define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library
-# endif
-# if (defined(_M_AMD64) || defined(__x86_64__)) || (defined(_M_ARM) || defined(__arm__))
-# define _LIBCPP_HAS_BITSCAN64
-# endif
-# define _LIBCPP_HAS_OPEN_WITH_WCHAR
-#endif // defined(_WIN32)
+# if defined(_MSC_VER) && !defined(__MINGW32__)
+# define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library
+# endif
+# if (defined(_M_AMD64) || defined(__x86_64__)) || (defined(_M_ARM) || defined(__arm__))
+# define _LIBCPP_HAS_BITSCAN64
+# endif
+# define _LIBCPP_HAS_OPEN_WITH_WCHAR
+# endif // defined(_WIN32)
-#ifdef __sun__
-# include <sys/isa_defs.h>
-# ifdef _LITTLE_ENDIAN
-# define _LIBCPP_LITTLE_ENDIAN
-# else
-# define _LIBCPP_BIG_ENDIAN
-# endif
-#endif // __sun__
+# ifdef __sun__
+# include <sys/isa_defs.h>
+# ifdef _LITTLE_ENDIAN
+# define _LIBCPP_LITTLE_ENDIAN
+# else
+# define _LIBCPP_BIG_ENDIAN
+# endif
+# endif // __sun__
-#if defined(_AIX) && !defined(__64BIT__)
- // The size of wchar is 2 byte on 32-bit mode on AIX.
-# define _LIBCPP_SHORT_WCHAR 1
-#endif
+# if defined(_AIX) && !defined(__64BIT__)
+// The size of wchar is 2 byte on 32-bit mode on AIX.
+# define _LIBCPP_SHORT_WCHAR 1
+# endif
// Libc++ supports various implementations of std::random_device.
//
@@ -359,671 +359,676 @@
// Use rand_s(), for use on Windows.
// When this option is used, the token passed to `std::random_device`'s
// constructor *must* be "/dev/urandom" -- anything else is an error.
-#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__) || \
- defined(__OpenBSD__) || defined(__DragonFly__) || defined(__sun__)
-# define _LIBCPP_USING_ARC4_RANDOM
-#elif defined(__wasi__) || defined(__EMSCRIPTEN__)
-# define _LIBCPP_USING_GETENTROPY
-#elif defined(__Fuchsia__)
-# define _LIBCPP_USING_FUCHSIA_CPRNG
-#elif defined(__native_client__)
-# define _LIBCPP_USING_NACL_RANDOM
-#elif defined(_LIBCPP_WIN32API)
-# define _LIBCPP_USING_WIN32_RANDOM
-#else
-# define _LIBCPP_USING_DEV_RANDOM
-#endif
-
-#if !defined(_LIBCPP_LITTLE_ENDIAN) && !defined(_LIBCPP_BIG_ENDIAN)
-# include <endian.h>
-# if __BYTE_ORDER == __LITTLE_ENDIAN
-# define _LIBCPP_LITTLE_ENDIAN
-# elif __BYTE_ORDER == __BIG_ENDIAN
-# define _LIBCPP_BIG_ENDIAN
-# else // __BYTE_ORDER == __BIG_ENDIAN
-# error unable to determine endian
+# if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || \
+ defined(__DragonFly__) || defined(__sun__)
+# define _LIBCPP_USING_ARC4_RANDOM
+# elif defined(__wasi__) || defined(__EMSCRIPTEN__)
+# define _LIBCPP_USING_GETENTROPY
+# elif defined(__Fuchsia__)
+# define _LIBCPP_USING_FUCHSIA_CPRNG
+# elif defined(__native_client__)
+# define _LIBCPP_USING_NACL_RANDOM
+# elif defined(_LIBCPP_WIN32API)
+# define _LIBCPP_USING_WIN32_RANDOM
+# else
+# define _LIBCPP_USING_DEV_RANDOM
# endif
-#endif // !defined(_LIBCPP_LITTLE_ENDIAN) && !defined(_LIBCPP_BIG_ENDIAN)
-#if __has_attribute(__no_sanitize__) && !defined(_LIBCPP_COMPILER_GCC)
-# define _LIBCPP_NO_CFI __attribute__((__no_sanitize__("cfi")))
-#else
-# define _LIBCPP_NO_CFI
-#endif
+# if !defined(_LIBCPP_LITTLE_ENDIAN) && !defined(_LIBCPP_BIG_ENDIAN)
+# include <endian.h>
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+# define _LIBCPP_LITTLE_ENDIAN
+# elif __BYTE_ORDER == __BIG_ENDIAN
+# define _LIBCPP_BIG_ENDIAN
+# else // __BYTE_ORDER == __BIG_ENDIAN
+# error unable to determine endian
+# endif
+# endif // !defined(_LIBCPP_LITTLE_ENDIAN) && !defined(_LIBCPP_BIG_ENDIAN)
-#ifndef _LIBCPP_CXX03_LANG
-# define _LIBCPP_ALIGNOF(_Tp) alignof(_Tp)
-#elif defined(_LIBCPP_COMPILER_CLANG_BASED)
-# define _LIBCPP_ALIGNOF(_Tp) _Alignof(_Tp)
-#else
-# error "We don't know a correct way to implement alignof(T) in C++03 outside of Clang"
-#endif
+# if __has_attribute(__no_sanitize__) && !defined(_LIBCPP_COMPILER_GCC)
+# define _LIBCPP_NO_CFI __attribute__((__no_sanitize__("cfi")))
+# else
+# define _LIBCPP_NO_CFI
+# endif
-#define _LIBCPP_PREFERRED_ALIGNOF(_Tp) __alignof(_Tp)
+# ifndef _LIBCPP_CXX03_LANG
+# define _LIBCPP_ALIGNOF(_Tp) alignof(_Tp)
+# elif defined(_LIBCPP_COMPILER_CLANG_BASED)
+# define _LIBCPP_ALIGNOF(_Tp) _Alignof(_Tp)
+# else
+# error "We don't know a correct way to implement alignof(T) in C++03 outside of Clang"
+# endif
-#if defined(_LIBCPP_COMPILER_CLANG_BASED)
+# define _LIBCPP_PREFERRED_ALIGNOF(_Tp) __alignof(_Tp)
-#if defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && \
- (!defined(__arm__) || __ARM_ARCH_7K__ >= 2)
-# define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
-#endif
+# if defined(_LIBCPP_COMPILER_CLANG_BASED)
-#if __has_feature(cxx_alignas)
-# define _ALIGNAS_TYPE(x) alignas(x)
-# define _ALIGNAS(x) alignas(x)
-#else
-# define _ALIGNAS_TYPE(x) __attribute__((__aligned__(_LIBCPP_ALIGNOF(x))))
-# define _ALIGNAS(x) __attribute__((__aligned__(x)))
-#endif
+# if defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && (!defined(__arm__) || __ARM_ARCH_7K__ >= 2)
+# define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
+# endif
+
+# if __has_feature(cxx_alignas)
+# define _ALIGNAS_TYPE(x) alignas(x)
+# define _ALIGNAS(x) alignas(x)
+# else
+# define _ALIGNAS_TYPE(x) __attribute__((__aligned__(_LIBCPP_ALIGNOF(x))))
+# define _ALIGNAS(x) __attribute__((__aligned__(x)))
+# endif
-#if __cplusplus < 201103L
+# if __cplusplus < 201103L
typedef __char16_t char16_t;
typedef __char32_t char32_t;
-#endif
+# endif
-#if !__has_feature(cxx_exceptions)
-# define _LIBCPP_NO_EXCEPTIONS
-#endif
+# if !__has_feature(cxx_exceptions)
+# define _LIBCPP_NO_EXCEPTIONS
+# endif
-#if __has_feature(cxx_attributes)
-# define _LIBCPP_NORETURN [[noreturn]]
-#else
-# define _LIBCPP_NORETURN __attribute__ ((noreturn))
-#endif
+# if __has_feature(cxx_attributes)
+# define _LIBCPP_NORETURN [[noreturn]]
+# else
+# define _LIBCPP_NORETURN __attribute__((noreturn))
+# endif
-#ifdef _LIBCPP_CXX03_LANG
-# define nullptr __nullptr
-#endif
+# ifdef _LIBCPP_CXX03_LANG
+# define nullptr __nullptr
+# endif
// Objective-C++ features (opt-in)
-#if __has_feature(objc_arc)
-#define _LIBCPP_HAS_OBJC_ARC
-#endif
+# if __has_feature(objc_arc)
+# define _LIBCPP_HAS_OBJC_ARC
+# endif
-#if __has_feature(objc_arc_weak)
-#define _LIBCPP_HAS_OBJC_ARC_WEAK
-#endif
+# if __has_feature(objc_arc_weak)
+# define _LIBCPP_HAS_OBJC_ARC_WEAK
+# endif
-#if __has_extension(blocks)
-# define _LIBCPP_HAS_EXTENSION_BLOCKS
-#endif
+# if __has_extension(blocks)
+# define _LIBCPP_HAS_EXTENSION_BLOCKS
+# endif
-#if defined(_LIBCPP_HAS_EXTENSION_BLOCKS) && defined(__APPLE__)
-# define _LIBCPP_HAS_BLOCKS_RUNTIME
-#endif
+# if defined(_LIBCPP_HAS_EXTENSION_BLOCKS) && defined(__APPLE__)
+# define _LIBCPP_HAS_BLOCKS_RUNTIME
+# endif
-#if !(__has_feature(cxx_noexcept))
-#define _LIBCPP_HAS_NO_NOEXCEPT
-#endif
+# if !(__has_feature(cxx_noexcept))
+# define _LIBCPP_HAS_NO_NOEXCEPT
+# endif
-#if !__has_feature(address_sanitizer)
-#define _LIBCPP_HAS_NO_ASAN
-#endif
+# if !__has_feature(address_sanitizer)
+# define _LIBCPP_HAS_NO_ASAN
+# endif
// Allow for build-time disabling of unsigned integer sanitization
-#if __has_attribute(no_sanitize)
-#define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute__((__no_sanitize__("unsigned-integer-overflow")))
-#endif
+# if __has_attribute(no_sanitize)
+# define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute__((__no_sanitize__("unsigned-integer-overflow")))
+# endif
-#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__))
+# define _LIBCPP_ALWAYS_INLINE __attribute__((__always_inline__))
-#define _LIBCPP_DISABLE_EXTENSION_WARNING __extension__
+# define _LIBCPP_DISABLE_EXTENSION_WARNING __extension__
-#elif defined(_LIBCPP_COMPILER_GCC)
+# elif defined(_LIBCPP_COMPILER_GCC)
-#define _ALIGNAS(x) __attribute__((__aligned__(x)))
-#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(_LIBCPP_ALIGNOF(x))))
+# define _ALIGNAS(x) __attribute__((__aligned__(x)))
+# define _ALIGNAS_TYPE(x) __attribute__((__aligned__(_LIBCPP_ALIGNOF(x))))
-#define _LIBCPP_NORETURN __attribute__((noreturn))
+# define _LIBCPP_NORETURN __attribute__((noreturn))
-#if !defined(__EXCEPTIONS)
-# define _LIBCPP_NO_EXCEPTIONS
-#endif
+# if !defined(__EXCEPTIONS)
+# define _LIBCPP_NO_EXCEPTIONS
+# endif
-#if !defined(__SANITIZE_ADDRESS__)
-#define _LIBCPP_HAS_NO_ASAN
-#endif
+# if !defined(__SANITIZE_ADDRESS__)
+# define _LIBCPP_HAS_NO_ASAN
+# endif
-#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__))
+# define _LIBCPP_ALWAYS_INLINE __attribute__((__always_inline__))
-#define _LIBCPP_DISABLE_EXTENSION_WARNING __extension__
+# define _LIBCPP_DISABLE_EXTENSION_WARNING __extension__
-#elif defined(_LIBCPP_COMPILER_MSVC)
+# elif defined(_LIBCPP_COMPILER_MSVC)
-#define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x))
+# define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x))
-#if _MSC_VER < 1900
-#error "MSVC versions prior to Visual Studio 2015 are not supported"
-#endif
+# if _MSC_VER < 1900
+# error "MSVC versions prior to Visual Studio 2015 are not supported"
+# endif
-#define __alignof__ __alignof
-#define _LIBCPP_NORETURN __declspec(noreturn)
-#define _ALIGNAS(x) __declspec(align(x))
-#define _ALIGNAS_TYPE(x) alignas(x)
+# define __alignof__ __alignof
+# define _LIBCPP_NORETURN __declspec(noreturn)
+# define _ALIGNAS(x) __declspec(align(x))
+# define _ALIGNAS_TYPE(x) alignas(x)
-#define _LIBCPP_WEAK
+# define _LIBCPP_WEAK
-#define _LIBCPP_HAS_NO_ASAN
+# define _LIBCPP_HAS_NO_ASAN
-#define _LIBCPP_ALWAYS_INLINE __forceinline
+# define _LIBCPP_ALWAYS_INLINE __forceinline
-#define _LIBCPP_HAS_NO_VECTOR_EXTENSION
+# define _LIBCPP_HAS_NO_VECTOR_EXTENSION
-#define _LIBCPP_DISABLE_EXTENSION_WARNING
+# define _LIBCPP_DISABLE_EXTENSION_WARNING
-#elif defined(_LIBCPP_COMPILER_IBM)
+# elif defined(_LIBCPP_COMPILER_IBM)
-#define _ALIGNAS(x) __attribute__((__aligned__(x)))
-#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(_LIBCPP_ALIGNOF(x))))
-#define _ATTRIBUTE(x) __attribute__((x))
-#define _LIBCPP_NORETURN __attribute__((noreturn))
+# define _ALIGNAS(x) __attribute__((__aligned__(x)))
+# define _ALIGNAS_TYPE(x) __attribute__((__aligned__(_LIBCPP_ALIGNOF(x))))
+# define _ATTRIBUTE(x) __attribute__((x))
+# define _LIBCPP_NORETURN __attribute__((noreturn))
-#define _LIBCPP_HAS_NO_UNICODE_CHARS
+# define _LIBCPP_HAS_NO_UNICODE_CHARS
-#if defined(_AIX)
-#define __MULTILOCALE_API
-#endif
+# if defined(_AIX)
+# define __MULTILOCALE_API
+# endif
-#define _LIBCPP_HAS_NO_ASAN
+# define _LIBCPP_HAS_NO_ASAN
-#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__))
+# define _LIBCPP_ALWAYS_INLINE __attribute__((__always_inline__))
-#define _LIBCPP_HAS_NO_VECTOR_EXTENSION
+# define _LIBCPP_HAS_NO_VECTOR_EXTENSION
-#define _LIBCPP_DISABLE_EXTENSION_WARNING
+# define _LIBCPP_DISABLE_EXTENSION_WARNING
-#endif // _LIBCPP_COMPILER_[CLANG|GCC|MSVC|IBM]
+# endif // _LIBCPP_COMPILER_[CLANG|GCC|MSVC|IBM]
-#if defined(_LIBCPP_OBJECT_FORMAT_COFF)
+# if defined(_LIBCPP_OBJECT_FORMAT_COFF)
-#ifdef _DLL
-# define _LIBCPP_CRT_FUNC __declspec(dllimport)
-#else
-# define _LIBCPP_CRT_FUNC
-#endif
+# ifdef _DLL
+# define _LIBCPP_CRT_FUNC __declspec(dllimport)
+# else
+# define _LIBCPP_CRT_FUNC
+# endif
-#if defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) || (defined(__MINGW32__) && !defined(_LIBCPP_BUILDING_LIBRARY))
-# define _LIBCPP_DLL_VIS
-# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
-# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
-# define _LIBCPP_OVERRIDABLE_FUNC_VIS
-# define _LIBCPP_EXPORTED_FROM_ABI
-#elif defined(_LIBCPP_BUILDING_LIBRARY)
-# define _LIBCPP_DLL_VIS __declspec(dllexport)
-# if defined(__MINGW32__)
-# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DLL_VIS
-# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
-# else
-# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
-# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS _LIBCPP_DLL_VIS
-# endif
-# define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_DLL_VIS
-# define _LIBCPP_EXPORTED_FROM_ABI __declspec(dllexport)
-#else
-# define _LIBCPP_DLL_VIS __declspec(dllimport)
-# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DLL_VIS
-# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
-# define _LIBCPP_OVERRIDABLE_FUNC_VIS
-# define _LIBCPP_EXPORTED_FROM_ABI __declspec(dllimport)
-#endif
+# if defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) || (defined(__MINGW32__) && !defined(_LIBCPP_BUILDING_LIBRARY))
+# define _LIBCPP_DLL_VIS
+# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
+# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
+# define _LIBCPP_OVERRIDABLE_FUNC_VIS
+# define _LIBCPP_EXPORTED_FROM_ABI
+# elif defined(_LIBCPP_BUILDING_LIBRARY)
+# define _LIBCPP_DLL_VIS __declspec(dllexport)
+# if defined(__MINGW32__)
+# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DLL_VIS
+# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
+# else
+# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
+# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS _LIBCPP_DLL_VIS
+# endif
+# define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_DLL_VIS
+# define _LIBCPP_EXPORTED_FROM_ABI __declspec(dllexport)
+# else
+# define _LIBCPP_DLL_VIS __declspec(dllimport)
+# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DLL_VIS
+# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
+# define _LIBCPP_OVERRIDABLE_FUNC_VIS
+# define _LIBCPP_EXPORTED_FROM_ABI __declspec(dllimport)
+# endif
-#define _LIBCPP_TYPE_VIS _LIBCPP_DLL_VIS
-#define _LIBCPP_FUNC_VIS _LIBCPP_DLL_VIS
-#define _LIBCPP_EXCEPTION_ABI _LIBCPP_DLL_VIS
-#define _LIBCPP_HIDDEN
-#define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
-#define _LIBCPP_TEMPLATE_VIS
-#define _LIBCPP_TEMPLATE_DATA_VIS
-#define _LIBCPP_ENUM_VIS
+# define _LIBCPP_TYPE_VIS _LIBCPP_DLL_VIS
+# define _LIBCPP_FUNC_VIS _LIBCPP_DLL_VIS
+# define _LIBCPP_EXCEPTION_ABI _LIBCPP_DLL_VIS
+# define _LIBCPP_HIDDEN
+# define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
+# define _LIBCPP_TEMPLATE_VIS
+# define _LIBCPP_TEMPLATE_DATA_VIS
+# define _LIBCPP_ENUM_VIS
-#endif // defined(_LIBCPP_OBJECT_FORMAT_COFF)
+# endif // defined(_LIBCPP_OBJECT_FORMAT_COFF)
-#ifndef _LIBCPP_HIDDEN
-# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
-# define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden")))
-# else
-# define _LIBCPP_HIDDEN
+# ifndef _LIBCPP_HIDDEN
+# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
+# define _LIBCPP_HIDDEN __attribute__((__visibility__("hidden")))
+# else
+# define _LIBCPP_HIDDEN
+# endif
# endif
-#endif
-#ifndef _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
-# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
+# ifndef _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
+# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
// The inline should be removed once PR32114 is resolved
-# define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS inline _LIBCPP_HIDDEN
-# else
-# define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
+# define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS inline _LIBCPP_HIDDEN
+# else
+# define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
+# endif
# endif
-#endif
-#ifndef _LIBCPP_FUNC_VIS
-# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
-# define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default")))
-# else
-# define _LIBCPP_FUNC_VIS
+# ifndef _LIBCPP_FUNC_VIS
+# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
+# define _LIBCPP_FUNC_VIS __attribute__((__visibility__("default")))
+# else
+# define _LIBCPP_FUNC_VIS
+# endif
# endif
-#endif
-#ifndef _LIBCPP_TYPE_VIS
-# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
-# define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default")))
-# else
-# define _LIBCPP_TYPE_VIS
+# ifndef _LIBCPP_TYPE_VIS
+# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
+# define _LIBCPP_TYPE_VIS __attribute__((__visibility__("default")))
+# else
+# define _LIBCPP_TYPE_VIS
+# endif
# endif
-#endif
-#ifndef _LIBCPP_TEMPLATE_VIS
-# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
-# if __has_attribute(__type_visibility__)
-# define _LIBCPP_TEMPLATE_VIS __attribute__ ((__type_visibility__("default")))
+# ifndef _LIBCPP_TEMPLATE_VIS
+# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
+# if __has_attribute(__type_visibility__)
+# define _LIBCPP_TEMPLATE_VIS __attribute__((__type_visibility__("default")))
+# else
+# define _LIBCPP_TEMPLATE_VIS __attribute__((__visibility__("default")))
+# endif
# else
-# define _LIBCPP_TEMPLATE_VIS __attribute__ ((__visibility__("default")))
+# define _LIBCPP_TEMPLATE_VIS
# endif
-# else
-# define _LIBCPP_TEMPLATE_VIS
# endif
-#endif
-#ifndef _LIBCPP_TEMPLATE_DATA_VIS
-# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
-# define _LIBCPP_TEMPLATE_DATA_VIS __attribute__ ((__visibility__("default")))
-# else
-# define _LIBCPP_TEMPLATE_DATA_VIS
+# ifndef _LIBCPP_TEMPLATE_DATA_VIS
+# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
+# define _LIBCPP_TEMPLATE_DATA_VIS __attribute__((__visibility__("default")))
+# else
+# define _LIBCPP_TEMPLATE_DATA_VIS
+# endif
# endif
-#endif
-#ifndef _LIBCPP_EXPORTED_FROM_ABI
-# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
-# define _LIBCPP_EXPORTED_FROM_ABI __attribute__((__visibility__("default")))
-# else
-# define _LIBCPP_EXPORTED_FROM_ABI
+# ifndef _LIBCPP_EXPORTED_FROM_ABI
+# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
+# define _LIBCPP_EXPORTED_FROM_ABI __attribute__((__visibility__("default")))
+# else
+# define _LIBCPP_EXPORTED_FROM_ABI
+# endif
# endif
-#endif
-#ifndef _LIBCPP_OVERRIDABLE_FUNC_VIS
-#define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_FUNC_VIS
-#endif
-
-#ifndef _LIBCPP_EXCEPTION_ABI
-# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
-# define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default")))
-# else
-# define _LIBCPP_EXCEPTION_ABI
+# ifndef _LIBCPP_OVERRIDABLE_FUNC_VIS
+# define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_FUNC_VIS
# endif
-#endif
-#ifndef _LIBCPP_ENUM_VIS
-# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__)
-# define _LIBCPP_ENUM_VIS __attribute__ ((__type_visibility__("default")))
-# else
-# define _LIBCPP_ENUM_VIS
+# ifndef _LIBCPP_EXCEPTION_ABI
+# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
+# define _LIBCPP_EXCEPTION_ABI __attribute__((__visibility__("default")))
+# else
+# define _LIBCPP_EXCEPTION_ABI
+# endif
# endif
-#endif
-#ifndef _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
-# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
-# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __attribute__ ((__visibility__("default")))
-# else
-# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
+# ifndef _LIBCPP_ENUM_VIS
+# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__)
+# define _LIBCPP_ENUM_VIS __attribute__((__type_visibility__("default")))
+# else
+# define _LIBCPP_ENUM_VIS
+# endif
# endif
-#endif
-
-#ifndef _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
-#define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
-#endif
-#if __has_attribute(internal_linkage)
-# define _LIBCPP_INTERNAL_LINKAGE __attribute__ ((internal_linkage))
-#else
-# define _LIBCPP_INTERNAL_LINKAGE _LIBCPP_ALWAYS_INLINE
-#endif
+# ifndef _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
+# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
+# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __attribute__((__visibility__("default")))
+# else
+# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
+# endif
+# endif
-#if __has_attribute(exclude_from_explicit_instantiation)
-# define _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION __attribute__ ((__exclude_from_explicit_instantiation__))
-#else
- // Try to approximate the effect of exclude_from_explicit_instantiation
- // (which is that entities are not assumed to be provided by explicit
- // template instantiations in the dylib) by always inlining those entities.
-# define _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION _LIBCPP_ALWAYS_INLINE
-#endif
+# ifndef _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
+# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
+# endif
-#ifndef _LIBCPP_HIDE_FROM_ABI_PER_TU
-# ifndef _LIBCPP_HIDE_FROM_ABI_PER_TU_BY_DEFAULT
-# define _LIBCPP_HIDE_FROM_ABI_PER_TU 0
+# if __has_attribute(internal_linkage)
+# define _LIBCPP_INTERNAL_LINKAGE __attribute__((internal_linkage))
# else
-# define _LIBCPP_HIDE_FROM_ABI_PER_TU 1
+# define _LIBCPP_INTERNAL_LINKAGE _LIBCPP_ALWAYS_INLINE
# endif
-#endif
-#ifndef _LIBCPP_HIDE_FROM_ABI
-# if _LIBCPP_HIDE_FROM_ABI_PER_TU
-# define _LIBCPP_HIDE_FROM_ABI _LIBCPP_HIDDEN _LIBCPP_INTERNAL_LINKAGE
+# if __has_attribute(exclude_from_explicit_instantiation)
+# define _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION __attribute__((__exclude_from_explicit_instantiation__))
# else
-# define _LIBCPP_HIDE_FROM_ABI _LIBCPP_HIDDEN _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION
+// Try to approximate the effect of exclude_from_explicit_instantiation
+// (which is that entities are not assumed to be provided by explicit
+// template instantiations in the dylib) by always inlining those entities.
+# define _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION _LIBCPP_ALWAYS_INLINE
# endif
-#endif
-#ifdef _LIBCPP_BUILDING_LIBRARY
-# if _LIBCPP_ABI_VERSION > 1
-# define _LIBCPP_HIDE_FROM_ABI_AFTER_V1 _LIBCPP_HIDE_FROM_ABI
+# ifndef _LIBCPP_HIDE_FROM_ABI_PER_TU
+# ifndef _LIBCPP_HIDE_FROM_ABI_PER_TU_BY_DEFAULT
+# define _LIBCPP_HIDE_FROM_ABI_PER_TU 0
+# else
+# define _LIBCPP_HIDE_FROM_ABI_PER_TU 1
+# endif
+# endif
+
+# ifndef _LIBCPP_HIDE_FROM_ABI
+# if _LIBCPP_HIDE_FROM_ABI_PER_TU
+# define _LIBCPP_HIDE_FROM_ABI _LIBCPP_HIDDEN _LIBCPP_INTERNAL_LINKAGE
+# else
+# define _LIBCPP_HIDE_FROM_ABI _LIBCPP_HIDDEN _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION
+# endif
+# endif
+
+# ifdef _LIBCPP_BUILDING_LIBRARY
+# if _LIBCPP_ABI_VERSION > 1
+# define _LIBCPP_HIDE_FROM_ABI_AFTER_V1 _LIBCPP_HIDE_FROM_ABI
+# else
+# define _LIBCPP_HIDE_FROM_ABI_AFTER_V1
+# endif
# else
-# define _LIBCPP_HIDE_FROM_ABI_AFTER_V1
+# define _LIBCPP_HIDE_FROM_ABI_AFTER_V1 _LIBCPP_HIDE_FROM_ABI
# endif
-#else
-# define _LIBCPP_HIDE_FROM_ABI_AFTER_V1 _LIBCPP_HIDE_FROM_ABI
-#endif
// Just so we can migrate to the new macros gradually.
-#define _LIBCPP_INLINE_VISIBILITY _LIBCPP_HIDE_FROM_ABI
+# define _LIBCPP_INLINE_VISIBILITY _LIBCPP_HIDE_FROM_ABI
// Inline namespaces are available in Clang/GCC/MSVC regardless of C++ dialect.
-#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { inline namespace _LIBCPP_ABI_NAMESPACE {
-#define _LIBCPP_END_NAMESPACE_STD } }
-#define _VSTD std
+// clang-format off
+# define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { inline namespace _LIBCPP_ABI_NAMESPACE {
+# define _LIBCPP_END_NAMESPACE_STD }}
+# define _VSTD std
+
_LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_END_NAMESPACE_STD
-#if _LIBCPP_STD_VER > 14
-#define _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM \
- _LIBCPP_BEGIN_NAMESPACE_STD inline namespace __fs { namespace filesystem {
-#else
-#define _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM \
- _LIBCPP_BEGIN_NAMESPACE_STD namespace __fs { namespace filesystem {
-#endif
+# if _LIBCPP_STD_VER > 14
+# define _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM \
+ _LIBCPP_BEGIN_NAMESPACE_STD inline namespace __fs { namespace filesystem {
+# else
+# define _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM \
+ _LIBCPP_BEGIN_NAMESPACE_STD namespace __fs { namespace filesystem {
+# endif
-#define _LIBCPP_END_NAMESPACE_FILESYSTEM \
- _LIBCPP_END_NAMESPACE_STD } }
+# define _LIBCPP_END_NAMESPACE_FILESYSTEM _LIBCPP_END_NAMESPACE_STD }}
+// clang-format on
-#define _VSTD_FS std::__fs::filesystem
+# define _VSTD_FS std::__fs::filesystem
-#if __has_attribute(__enable_if__)
-# define _LIBCPP_PREFERRED_OVERLOAD __attribute__ ((__enable_if__(true, "")))
-#endif
+# if __has_attribute(__enable_if__)
+# define _LIBCPP_PREFERRED_OVERLOAD __attribute__((__enable_if__(true, "")))
+# endif
-#ifndef _LIBCPP_HAS_NO_NOEXCEPT
-# define _NOEXCEPT noexcept
-# define _NOEXCEPT_(x) noexcept(x)
-#else
-# define _NOEXCEPT throw()
-# define _NOEXCEPT_(x)
-#endif
+# ifndef _LIBCPP_HAS_NO_NOEXCEPT
+# define _NOEXCEPT noexcept
+# define _NOEXCEPT_(x) noexcept(x)
+# else
+# define _NOEXCEPT throw()
+# define _NOEXCEPT_(x)
+# endif
-#ifdef _LIBCPP_HAS_NO_UNICODE_CHARS
-typedef unsigned short char16_t;
-typedef unsigned int char32_t;
-#endif
+# ifdef _LIBCPP_HAS_NO_UNICODE_CHARS
+ typedef unsigned short char16_t;
+typedef unsigned int char32_t;
+# endif
-#ifndef __SIZEOF_INT128__
-#define _LIBCPP_HAS_NO_INT128
-#endif
+# ifndef __SIZEOF_INT128__
+# define _LIBCPP_HAS_NO_INT128
+# endif
-#ifdef _LIBCPP_CXX03_LANG
-# define static_assert(...) _Static_assert(__VA_ARGS__)
-# define decltype(...) __decltype(__VA_ARGS__)
-#endif // _LIBCPP_CXX03_LANG
+# ifdef _LIBCPP_CXX03_LANG
+# define static_assert(...) _Static_assert(__VA_ARGS__)
+# define decltype(...) __decltype(__VA_ARGS__)
+# endif // _LIBCPP_CXX03_LANG
-#ifdef _LIBCPP_CXX03_LANG
-# define _LIBCPP_CONSTEXPR
-#else
-# define _LIBCPP_CONSTEXPR constexpr
-#endif
+# ifdef _LIBCPP_CXX03_LANG
+# define _LIBCPP_CONSTEXPR
+# else
+# define _LIBCPP_CONSTEXPR constexpr
+# endif
-#ifndef __cpp_consteval
-# define _LIBCPP_CONSTEVAL _LIBCPP_CONSTEXPR
-#else
-# define _LIBCPP_CONSTEVAL consteval
-#endif
+# ifndef __cpp_consteval
+# define _LIBCPP_CONSTEVAL _LIBCPP_CONSTEXPR
+# else
+# define _LIBCPP_CONSTEVAL consteval
+# endif
-#ifdef __GNUC__
-# define _LIBCPP_NOALIAS __attribute__((__malloc__))
-#else
-# define _LIBCPP_NOALIAS
-#endif
+# ifdef __GNUC__
+# define _LIBCPP_NOALIAS __attribute__((__malloc__))
+# else
+# define _LIBCPP_NOALIAS
+# endif
-#if __has_attribute(using_if_exists)
-# define _LIBCPP_USING_IF_EXISTS __attribute__((using_if_exists))
-#else
-# define _LIBCPP_USING_IF_EXISTS
-#endif
+# if __has_attribute(using_if_exists)
+# define _LIBCPP_USING_IF_EXISTS __attribute__((using_if_exists))
+# else
+# define _LIBCPP_USING_IF_EXISTS
+# endif
-#ifdef _LIBCPP_CXX03_LANG
-# define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx
-# define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \
- __lx __v_; \
- _LIBCPP_INLINE_VISIBILITY x(__lx __v) : __v_(__v) {} \
- _LIBCPP_INLINE_VISIBILITY explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \
- _LIBCPP_INLINE_VISIBILITY operator int() const {return __v_;} \
- };
-#else // _LIBCPP_CXX03_LANG
-# define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_ENUM_VIS x
-# define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x)
-#endif // _LIBCPP_CXX03_LANG
-
-#if defined(__APPLE__) || defined(__FreeBSD__) || defined(_LIBCPP_MSVCRT_LIKE) || \
- defined(__sun__) || defined(__NetBSD__)
-#define _LIBCPP_LOCALE__L_EXTENSIONS 1
-#endif
+# ifdef _LIBCPP_CXX03_LANG
+# define _LIBCPP_DECLARE_STRONG_ENUM(x) \
+ struct _LIBCPP_TYPE_VIS x { \
+ enum __lx
+// clang-format off
+# define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \
+ __lx __v_; \
+ _LIBCPP_INLINE_VISIBILITY x(__lx __v) : __v_(__v) {} \
+ _LIBCPP_INLINE_VISIBILITY explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \
+ _LIBCPP_INLINE_VISIBILITY operator int() const { return __v_; } \
+ };
+// clang-format on
+
+# else // _LIBCPP_CXX03_LANG
+# define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_ENUM_VIS x
+# define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x)
+# endif // _LIBCPP_CXX03_LANG
+
+# if defined(__APPLE__) || defined(__FreeBSD__) || defined(_LIBCPP_MSVCRT_LIKE) || defined(__sun__) || \
+ defined(__NetBSD__)
+# define _LIBCPP_LOCALE__L_EXTENSIONS 1
+# endif
-#ifdef __FreeBSD__
-#define _DECLARE_C99_LDBL_MATH 1
-#endif
+# ifdef __FreeBSD__
+# define _DECLARE_C99_LDBL_MATH 1
+# endif
// If we are getting operator new from the MSVC CRT, then allocation overloads
// for align_val_t were added in 19.12, aka VS 2017 version 15.3.
-#if defined(_LIBCPP_MSVCRT) && defined(_MSC_VER) && _MSC_VER < 1912
-# define _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION
-#elif defined(_LIBCPP_ABI_VCRUNTIME) && !defined(__cpp_aligned_new)
- // We're deferring to Microsoft's STL to provide aligned new et al. We don't
- // have it unless the language feature test macro is defined.
-# define _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION
-#elif defined(__MVS__)
-# define _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION
-#endif
+# if defined(_LIBCPP_MSVCRT) && defined(_MSC_VER) && _MSC_VER < 1912
+# define _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION
+# elif defined(_LIBCPP_ABI_VCRUNTIME) && !defined(__cpp_aligned_new)
+// We're deferring to Microsoft's STL to provide aligned new et al. We don't
+// have it unless the language feature test macro is defined.
+# define _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION
+# elif defined(__MVS__)
+# define _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION
+# endif
-#if defined(_LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION) || \
- (!defined(__cpp_aligned_new) || __cpp_aligned_new < 201606)
-# define _LIBCPP_HAS_NO_ALIGNED_ALLOCATION
-#endif
+# if defined(_LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION) || (!defined(__cpp_aligned_new) || __cpp_aligned_new < 201606)
+# define _LIBCPP_HAS_NO_ALIGNED_ALLOCATION
+# endif
-#if defined(__APPLE__) || defined(__FreeBSD__)
-#define _LIBCPP_HAS_DEFAULTRUNELOCALE
-#endif
+# if defined(__APPLE__) || defined(__FreeBSD__)
+# define _LIBCPP_HAS_DEFAULTRUNELOCALE
+# endif
-#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__)
-#define _LIBCPP_WCTYPE_IS_MASK
-#endif
+# if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__)
+# define _LIBCPP_WCTYPE_IS_MASK
+# endif
-#if _LIBCPP_STD_VER <= 17 || !defined(__cpp_char8_t)
-#define _LIBCPP_HAS_NO_CHAR8_T
-#endif
+# if _LIBCPP_STD_VER <= 17 || !defined(__cpp_char8_t)
+# define _LIBCPP_HAS_NO_CHAR8_T
+# endif
// Deprecation macros.
//
// Deprecations warnings are always enabled, except when users explicitly opt-out
// by defining _LIBCPP_DISABLE_DEPRECATION_WARNINGS.
-#if !defined(_LIBCPP_DISABLE_DEPRECATION_WARNINGS)
-# if __has_attribute(deprecated)
-# define _LIBCPP_DEPRECATED __attribute__ ((deprecated))
-# elif _LIBCPP_STD_VER > 11
-# define _LIBCPP_DEPRECATED [[deprecated]]
+# if !defined(_LIBCPP_DISABLE_DEPRECATION_WARNINGS)
+# if __has_attribute(deprecated)
+# define _LIBCPP_DEPRECATED __attribute__((deprecated))
+# elif _LIBCPP_STD_VER > 11
+# define _LIBCPP_DEPRECATED [[deprecated]]
+# else
+# define _LIBCPP_DEPRECATED
+# endif
# else
# define _LIBCPP_DEPRECATED
# endif
-#else
-# define _LIBCPP_DEPRECATED
-#endif
-#if !defined(_LIBCPP_CXX03_LANG)
-# define _LIBCPP_DEPRECATED_IN_CXX11 _LIBCPP_DEPRECATED
-#else
-# define _LIBCPP_DEPRECATED_IN_CXX11
-#endif
+# if !defined(_LIBCPP_CXX03_LANG)
+# define _LIBCPP_DEPRECATED_IN_CXX11 _LIBCPP_DEPRECATED
+# else
+# define _LIBCPP_DEPRECATED_IN_CXX11
+# endif
-#if _LIBCPP_STD_VER > 11
-# define _LIBCPP_DEPRECATED_IN_CXX14 _LIBCPP_DEPRECATED
-#else
-# define _LIBCPP_DEPRECATED_IN_CXX14
-#endif
+# if _LIBCPP_STD_VER > 11
+# define _LIBCPP_DEPRECATED_IN_CXX14 _LIBCPP_DEPRECATED
+# else
+# define _LIBCPP_DEPRECATED_IN_CXX14
+# endif
-#if _LIBCPP_STD_VER > 14
-# define _LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_DEPRECATED
-#else
-# define _LIBCPP_DEPRECATED_IN_CXX17
-#endif
+# if _LIBCPP_STD_VER > 14
+# define _LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_DEPRECATED
+# else
+# define _LIBCPP_DEPRECATED_IN_CXX17
+# endif
-#if _LIBCPP_STD_VER > 17
-# define _LIBCPP_DEPRECATED_IN_CXX20 _LIBCPP_DEPRECATED
-#else
-# define _LIBCPP_DEPRECATED_IN_CXX20
-#endif
+# if _LIBCPP_STD_VER > 17
+# define _LIBCPP_DEPRECATED_IN_CXX20 _LIBCPP_DEPRECATED
+# else
+# define _LIBCPP_DEPRECATED_IN_CXX20
+# endif
-#if !defined(_LIBCPP_HAS_NO_CHAR8_T)
-# define _LIBCPP_DEPRECATED_WITH_CHAR8_T _LIBCPP_DEPRECATED
-#else
-# define _LIBCPP_DEPRECATED_WITH_CHAR8_T
-#endif
+# if !defined(_LIBCPP_HAS_NO_CHAR8_T)
+# define _LIBCPP_DEPRECATED_WITH_CHAR8_T _LIBCPP_DEPRECATED
+# else
+# define _LIBCPP_DEPRECATED_WITH_CHAR8_T
+# endif
// Macros to enter and leave a state where deprecation warnings are suppressed.
-#if defined(_LIBCPP_COMPILER_CLANG_BASED) || defined(_LIBCPP_COMPILER_GCC)
-# define _LIBCPP_SUPPRESS_DEPRECATED_PUSH \
- _Pragma("GCC diagnostic push") \
- _Pragma("GCC diagnostic ignored \"-Wdeprecated\"") \
- _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
-# define _LIBCPP_SUPPRESS_DEPRECATED_POP \
- _Pragma("GCC diagnostic pop")
-#else
-# define _LIBCPP_SUPPRESS_DEPRECATED_PUSH
-# define _LIBCPP_SUPPRESS_DEPRECATED_POP
-#endif
+# if defined(_LIBCPP_COMPILER_CLANG_BASED) || defined(_LIBCPP_COMPILER_GCC)
+# define _LIBCPP_SUPPRESS_DEPRECATED_PUSH \
+ _Pragma("GCC diagnostic push") _Pragma("GCC diagnostic ignored \"-Wdeprecated\"") \
+ _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
+# define _LIBCPP_SUPPRESS_DEPRECATED_POP _Pragma("GCC diagnostic pop")
+# else
+# define _LIBCPP_SUPPRESS_DEPRECATED_PUSH
+# define _LIBCPP_SUPPRESS_DEPRECATED_POP
+# endif
-#if _LIBCPP_STD_VER <= 11
-# define _LIBCPP_EXPLICIT_AFTER_CXX11
-#else
-# define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit
-#endif
+# if _LIBCPP_STD_VER <= 11
+# define _LIBCPP_EXPLICIT_AFTER_CXX11
+# else
+# define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit
+# endif
-#if _LIBCPP_STD_VER > 11
-# define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr
-#else
-# define _LIBCPP_CONSTEXPR_AFTER_CXX11
-#endif
+# if _LIBCPP_STD_VER > 11
+# define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr
+# else
+# define _LIBCPP_CONSTEXPR_AFTER_CXX11
+# endif
-#if _LIBCPP_STD_VER > 14
-# define _LIBCPP_CONSTEXPR_AFTER_CXX14 constexpr
-#else
-# define _LIBCPP_CONSTEXPR_AFTER_CXX14
-#endif
+# if _LIBCPP_STD_VER > 14
+# define _LIBCPP_CONSTEXPR_AFTER_CXX14 constexpr
+# else
+# define _LIBCPP_CONSTEXPR_AFTER_CXX14
+# endif
-#if _LIBCPP_STD_VER > 17
-# define _LIBCPP_CONSTEXPR_AFTER_CXX17 constexpr
-#else
-# define _LIBCPP_CONSTEXPR_AFTER_CXX17
-#endif
+# if _LIBCPP_STD_VER > 17
+# define _LIBCPP_CONSTEXPR_AFTER_CXX17 constexpr
+# else
+# define _LIBCPP_CONSTEXPR_AFTER_CXX17
+# endif
-#if __has_cpp_attribute(nodiscard) || defined(_LIBCPP_COMPILER_MSVC)
-# define _LIBCPP_NODISCARD [[nodiscard]]
-#elif defined(_LIBCPP_COMPILER_CLANG_BASED) && !defined(_LIBCPP_CXX03_LANG)
-# define _LIBCPP_NODISCARD [[clang::warn_unused_result]]
-#else
+# if __has_cpp_attribute(nodiscard) || defined(_LIBCPP_COMPILER_MSVC)
+# define _LIBCPP_NODISCARD [[nodiscard]]
+# elif defined(_LIBCPP_COMPILER_CLANG_BASED) && !defined(_LIBCPP_CXX03_LANG)
+# define _LIBCPP_NODISCARD [[clang::warn_unused_result]]
+# else
// We can't use GCC's [[gnu::warn_unused_result]] and
// __attribute__((warn_unused_result)), because GCC does not silence them via
// (void) cast.
-# define _LIBCPP_NODISCARD
-#endif
+# define _LIBCPP_NODISCARD
+# endif
// _LIBCPP_NODISCARD_EXT may be used to apply [[nodiscard]] to entities not
// specified as such as an extension.
-#if defined(_LIBCPP_ENABLE_NODISCARD) && !defined(_LIBCPP_DISABLE_NODISCARD_EXT)
-# define _LIBCPP_NODISCARD_EXT _LIBCPP_NODISCARD
-#else
-# define _LIBCPP_NODISCARD_EXT
-#endif
+# if defined(_LIBCPP_ENABLE_NODISCARD) && !defined(_LIBCPP_DISABLE_NODISCARD_EXT)
+# define _LIBCPP_NODISCARD_EXT _LIBCPP_NODISCARD
+# else
+# define _LIBCPP_NODISCARD_EXT
+# endif
-#if !defined(_LIBCPP_DISABLE_NODISCARD_AFTER_CXX17) && \
- (_LIBCPP_STD_VER > 17 || defined(_LIBCPP_ENABLE_NODISCARD))
-# define _LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_NODISCARD
-#else
-# define _LIBCPP_NODISCARD_AFTER_CXX17
-#endif
+# if !defined(_LIBCPP_DISABLE_NODISCARD_AFTER_CXX17) && (_LIBCPP_STD_VER > 17 || defined(_LIBCPP_ENABLE_NODISCARD))
+# define _LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_NODISCARD
+# else
+# define _LIBCPP_NODISCARD_AFTER_CXX17
+# endif
-#if __has_attribute(no_destroy)
-# define _LIBCPP_NO_DESTROY __attribute__((__no_destroy__))
-#else
-# define _LIBCPP_NO_DESTROY
-#endif
+# if __has_attribute(no_destroy)
+# define _LIBCPP_NO_DESTROY __attribute__((__no_destroy__))
+# else
+# define _LIBCPP_NO_DESTROY
+# endif
-#ifndef _LIBCPP_HAS_NO_ASAN
-extern "C" _LIBCPP_FUNC_VIS void __sanitizer_annotate_contiguous_container(
- const void *, const void *, const void *, const void *);
-#endif
+# ifndef _LIBCPP_HAS_NO_ASAN
+extern "C" _LIBCPP_FUNC_VIS void __sanitizer_annotate_contiguous_container(const void*, const void*, const void*,
+ const void*);
+# endif
// Try to find out if RTTI is disabled.
-#if defined(_LIBCPP_COMPILER_CLANG_BASED) && !__has_feature(cxx_rtti)
-# define _LIBCPP_NO_RTTI
-#elif defined(__GNUC__) && !defined(__GXX_RTTI)
-# define _LIBCPP_NO_RTTI
-#elif defined(_LIBCPP_COMPILER_MSVC) && !defined(_CPPRTTI)
-# define _LIBCPP_NO_RTTI
-#endif
+# if defined(_LIBCPP_COMPILER_CLANG_BASED) && !__has_feature(cxx_rtti)
+# define _LIBCPP_NO_RTTI
+# elif defined(__GNUC__) && !defined(__GXX_RTTI)
+# define _LIBCPP_NO_RTTI
+# elif defined(_LIBCPP_COMPILER_MSVC) && !defined(_CPPRTTI)
+# define _LIBCPP_NO_RTTI
+# endif
-#ifndef _LIBCPP_WEAK
-#define _LIBCPP_WEAK __attribute__((__weak__))
-#endif
+# ifndef _LIBCPP_WEAK
+# define _LIBCPP_WEAK __attribute__((__weak__))
+# endif
// Thread API
-#if !defined(_LIBCPP_HAS_NO_THREADS) && \
- !defined(_LIBCPP_HAS_THREAD_API_PTHREAD) && \
- !defined(_LIBCPP_HAS_THREAD_API_WIN32) && \
- !defined(_LIBCPP_HAS_THREAD_API_EXTERNAL)
-# if defined(__FreeBSD__) || \
- defined(__wasi__) || \
- defined(__NetBSD__) || \
- defined(__OpenBSD__) || \
- defined(__NuttX__) || \
- defined(__linux__) || \
- defined(__GNU__) || \
- defined(__APPLE__) || \
- defined(__sun__) || \
- defined(__MVS__) || \
- defined(_AIX) || \
- defined(__EMSCRIPTEN__)
-# define _LIBCPP_HAS_THREAD_API_PTHREAD
-# elif defined(__Fuchsia__)
- // TODO(44575): Switch to C11 thread API when possible.
-# define _LIBCPP_HAS_THREAD_API_PTHREAD
-# elif defined(_LIBCPP_WIN32API)
-# define _LIBCPP_HAS_THREAD_API_WIN32
-# else
-# error "No thread API"
-# endif // _LIBCPP_HAS_THREAD_API
-#endif // _LIBCPP_HAS_NO_THREADS
-
-#if defined(_LIBCPP_HAS_THREAD_API_PTHREAD)
-#if defined(__ANDROID__) && __ANDROID_API__ >= 30
-#define _LIBCPP_HAS_COND_CLOCKWAIT
-#elif defined(_LIBCPP_GLIBC_PREREQ)
-#if _LIBCPP_GLIBC_PREREQ(2, 30)
-#define _LIBCPP_HAS_COND_CLOCKWAIT
-#endif
-#endif
-#endif
+// clang-format off
+# if !defined(_LIBCPP_HAS_NO_THREADS) && \
+ !defined(_LIBCPP_HAS_THREAD_API_PTHREAD) && \
+ !defined(_LIBCPP_HAS_THREAD_API_WIN32) && \
+ !defined(_LIBCPP_HAS_THREAD_API_EXTERNAL)
+
+# if defined(__FreeBSD__) || \
+ defined(__wasi__) || \
+ defined(__NetBSD__) || \
+ defined(__OpenBSD__) || \
+ defined(__NuttX__) || \
+ defined(__linux__) || \
+ defined(__GNU__) || \
+ defined(__APPLE__) || \
+ defined(__sun__) || \
+ defined(__MVS__) || \
+ defined(_AIX) || \
+ defined(__EMSCRIPTEN__)
+// clang-format on
+# define _LIBCPP_HAS_THREAD_API_PTHREAD
+# elif defined(__Fuchsia__)
+// TODO(44575): Switch to C11 thread API when possible.
+# define _LIBCPP_HAS_THREAD_API_PTHREAD
+# elif defined(_LIBCPP_WIN32API)
+# define _LIBCPP_HAS_THREAD_API_WIN32
+# else
+# error "No thread API"
+# endif // _LIBCPP_HAS_THREAD_API
+# endif // _LIBCPP_HAS_NO_THREADS
+
+# if defined(_LIBCPP_HAS_THREAD_API_PTHREAD)
+# if defined(__ANDROID__) && __ANDROID_API__ >= 30
+# define _LIBCPP_HAS_COND_CLOCKWAIT
+# elif defined(_LIBCPP_GLIBC_PREREQ)
+# if _LIBCPP_GLIBC_PREREQ(2, 30)
+# define _LIBCPP_HAS_COND_CLOCKWAIT
+# endif
+# endif
+# endif
-#if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_PTHREAD)
-#error _LIBCPP_HAS_THREAD_API_PTHREAD may only be defined when \
+# if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_PTHREAD)
+# error _LIBCPP_HAS_THREAD_API_PTHREAD may only be defined when \
_LIBCPP_HAS_NO_THREADS is not defined.
-#endif
+# endif
-#if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_EXTERNAL)
-#error _LIBCPP_HAS_THREAD_API_EXTERNAL may not be defined when \
+# if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_EXTERNAL)
+# error _LIBCPP_HAS_THREAD_API_EXTERNAL may not be defined when \
_LIBCPP_HAS_NO_THREADS is defined.
-#endif
+# endif
-#if defined(_LIBCPP_HAS_NO_MONOTONIC_CLOCK) && !defined(_LIBCPP_HAS_NO_THREADS)
-#error _LIBCPP_HAS_NO_MONOTONIC_CLOCK may only be defined when \
+# if defined(_LIBCPP_HAS_NO_MONOTONIC_CLOCK) && !defined(_LIBCPP_HAS_NO_THREADS)
+# error _LIBCPP_HAS_NO_MONOTONIC_CLOCK may only be defined when \
_LIBCPP_HAS_NO_THREADS is defined.
-#endif
+# endif
-#if !defined(_LIBCPP_HAS_NO_THREADS) && !defined(__STDCPP_THREADS__)
-#define __STDCPP_THREADS__ 1
-#endif
+# if !defined(_LIBCPP_HAS_NO_THREADS) && !defined(__STDCPP_THREADS__)
+# define __STDCPP_THREADS__ 1
+# endif
// The glibc and Bionic implementation of pthreads implements
// pthread_mutex_destroy as nop for regular mutexes. Additionally, Win32
@@ -1035,11 +1040,13 @@ extern "C" _LIBCPP_FUNC_VIS void __sanitizer_annotate_contiguous_container(
//
// TODO(EricWF): Enable this optimization on Bionic after speaking to their
// respective stakeholders.
-#if (defined(_LIBCPP_HAS_THREAD_API_PTHREAD) && defined(__GLIBC__)) \
- || (defined(_LIBCPP_HAS_THREAD_API_C11) && defined(__Fuchsia__)) \
- || defined(_LIBCPP_HAS_THREAD_API_WIN32)
-# define _LIBCPP_HAS_TRIVIAL_MUTEX_DESTRUCTION
-#endif
+// clang-format off
+# if (defined(_LIBCPP_HAS_THREAD_API_PTHREAD) && defined(__GLIBC__)) || \
+ (defined(_LIBCPP_HAS_THREAD_API_C11) && defined(__Fuchsia__)) || \
+ defined(_LIBCPP_HAS_THREAD_API_WIN32)
+// clang-format on
+# define _LIBCPP_HAS_TRIVIAL_MUTEX_DESTRUCTION
+# endif
// Destroying a condvar is a nop on Windows.
//
@@ -1049,246 +1056,238 @@ extern "C" _LIBCPP_FUNC_VIS void __sanitizer_annotate_contiguous_container(
//
// TODO(EricWF): This is potentially true for some pthread implementations
// as well.
-#if (defined(_LIBCPP_HAS_THREAD_API_C11) && defined(__Fuchsia__)) || \
- defined(_LIBCPP_HAS_THREAD_API_WIN32)
-# define _LIBCPP_HAS_TRIVIAL_CONDVAR_DESTRUCTION
-#endif
+# if (defined(_LIBCPP_HAS_THREAD_API_C11) && defined(__Fuchsia__)) || defined(_LIBCPP_HAS_THREAD_API_WIN32)
+# define _LIBCPP_HAS_TRIVIAL_CONDVAR_DESTRUCTION
+# endif
// Some systems do not provide gets() in their C library, for security reasons.
-#if defined(_LIBCPP_MSVCRT) || \
- (defined(__FreeBSD_version) && __FreeBSD_version >= 1300043) || \
- defined(__OpenBSD__)
-# define _LIBCPP_C_HAS_NO_GETS
-#endif
-
-#if defined(__BIONIC__) || defined(__NuttX__) || \
- defined(__Fuchsia__) || defined(__wasi__) || \
- defined(_LIBCPP_HAS_MUSL_LIBC) || defined(__OpenBSD__)
-#define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE
-#endif
+# if defined(_LIBCPP_MSVCRT) || (defined(__FreeBSD_version) && __FreeBSD_version >= 1300043) || defined(__OpenBSD__)
+# define _LIBCPP_C_HAS_NO_GETS
+# endif
-#if __has_feature(cxx_atomic) || __has_extension(c_atomic) || __has_keyword(_Atomic)
-# define _LIBCPP_HAS_C_ATOMIC_IMP
-#elif defined(_LIBCPP_COMPILER_GCC)
-# define _LIBCPP_HAS_GCC_ATOMIC_IMP
-#endif
+# if defined(__BIONIC__) || defined(__NuttX__) || defined(__Fuchsia__) || defined(__wasi__) || \
+ defined(_LIBCPP_HAS_MUSL_LIBC) || defined(__OpenBSD__)
+# define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE
+# endif
-#if !defined(_LIBCPP_HAS_C_ATOMIC_IMP) && \
- !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP) && \
- !defined(_LIBCPP_HAS_EXTERNAL_ATOMIC_IMP)
-# define _LIBCPP_HAS_NO_ATOMIC_HEADER
-#else
-# ifndef _LIBCPP_ATOMIC_FLAG_TYPE
-# define _LIBCPP_ATOMIC_FLAG_TYPE bool
+# if __has_feature(cxx_atomic) || __has_extension(c_atomic) || __has_keyword(_Atomic)
+# define _LIBCPP_HAS_C_ATOMIC_IMP
+# elif defined(_LIBCPP_COMPILER_GCC)
+# define _LIBCPP_HAS_GCC_ATOMIC_IMP
# endif
-# ifdef _LIBCPP_FREESTANDING
-# define _LIBCPP_ATOMIC_ONLY_USE_BUILTINS
+
+# if !defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP) && \
+ !defined(_LIBCPP_HAS_EXTERNAL_ATOMIC_IMP)
+# define _LIBCPP_HAS_NO_ATOMIC_HEADER
+# else
+# ifndef _LIBCPP_ATOMIC_FLAG_TYPE
+# define _LIBCPP_ATOMIC_FLAG_TYPE bool
+# endif
+# ifdef _LIBCPP_FREESTANDING
+# define _LIBCPP_ATOMIC_ONLY_USE_BUILTINS
+# endif
# endif
-#endif
-#ifndef _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
-#define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
-#endif
+# ifndef _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
+# define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
+# endif
-#if defined(_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS)
-# if defined(__clang__) && __has_attribute(acquire_capability)
+# if defined(_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS)
+# if defined(__clang__) && __has_attribute(acquire_capability)
// Work around the attribute handling in clang. When both __declspec and
// __attribute__ are present, the processing goes awry preventing the definition
// of the types. In MinGW mode, __declspec evaluates to __attribute__, and thus
// combining the two does work.
-# if !defined(_MSC_VER)
-# define _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS
+# if !defined(_MSC_VER)
+# define _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS
+# endif
# endif
# endif
-#endif
-#ifdef _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS
-# define _LIBCPP_THREAD_SAFETY_ANNOTATION(x) __attribute__((x))
-#else
-# define _LIBCPP_THREAD_SAFETY_ANNOTATION(x)
-#endif
+# ifdef _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS
+# define _LIBCPP_THREAD_SAFETY_ANNOTATION(x) __attribute__((x))
+# else
+# define _LIBCPP_THREAD_SAFETY_ANNOTATION(x)
+# endif
-#if _LIBCPP_STD_VER > 17
-# define _LIBCPP_CONSTINIT constinit
-#elif __has_attribute(require_constant_initialization)
-# define _LIBCPP_CONSTINIT __attribute__((__require_constant_initialization__))
-#else
-# define _LIBCPP_CONSTINIT
-#endif
+# if _LIBCPP_STD_VER > 17
+# define _LIBCPP_CONSTINIT constinit
+# elif __has_attribute(require_constant_initialization)
+# define _LIBCPP_CONSTINIT __attribute__((__require_constant_initialization__))
+# else
+# define _LIBCPP_CONSTINIT
+# endif
-#if __has_attribute(diagnose_if) && !defined(_LIBCPP_DISABLE_ADDITIONAL_DIAGNOSTICS)
-# define _LIBCPP_DIAGNOSE_WARNING(...) \
- __attribute__((diagnose_if(__VA_ARGS__, "warning")))
-# define _LIBCPP_DIAGNOSE_ERROR(...) \
- __attribute__((diagnose_if(__VA_ARGS__, "error")))
-#else
-# define _LIBCPP_DIAGNOSE_WARNING(...)
-# define _LIBCPP_DIAGNOSE_ERROR(...)
-#endif
+# if __has_attribute(diagnose_if) && !defined(_LIBCPP_DISABLE_ADDITIONAL_DIAGNOSTICS)
+# define _LIBCPP_DIAGNOSE_WARNING(...) __attribute__((diagnose_if(__VA_ARGS__, "warning")))
+# define _LIBCPP_DIAGNOSE_ERROR(...) __attribute__((diagnose_if(__VA_ARGS__, "error")))
+# else
+# define _LIBCPP_DIAGNOSE_WARNING(...)
+# define _LIBCPP_DIAGNOSE_ERROR(...)
+# endif
// Use a function like macro to imply that it must be followed by a semicolon
-#if _LIBCPP_STD_VER > 14 && __has_cpp_attribute(fallthrough)
-# define _LIBCPP_FALLTHROUGH() [[fallthrough]]
-#elif __has_cpp_attribute(clang::fallthrough)
-# define _LIBCPP_FALLTHROUGH() [[clang::fallthrough]]
-#elif __has_attribute(__fallthrough__)
-# define _LIBCPP_FALLTHROUGH() __attribute__((__fallthrough__))
-#else
-# define _LIBCPP_FALLTHROUGH() ((void)0)
-#endif
+# if _LIBCPP_STD_VER > 14 && __has_cpp_attribute(fallthrough)
+# define _LIBCPP_FALLTHROUGH() [[fallthrough]]
+# elif __has_cpp_attribute(clang::fallthrough)
+# define _LIBCPP_FALLTHROUGH() [[clang::fallthrough]]
+# elif __has_attribute(__fallthrough__)
+# define _LIBCPP_FALLTHROUGH() __attribute__((__fallthrough__))
+# else
+# define _LIBCPP_FALLTHROUGH() ((void)0)
+# endif
-#if __has_attribute(__nodebug__)
-#define _LIBCPP_NODEBUG __attribute__((__nodebug__))
-#else
-#define _LIBCPP_NODEBUG
-#endif
+# if __has_attribute(__nodebug__)
+# define _LIBCPP_NODEBUG __attribute__((__nodebug__))
+# else
+# define _LIBCPP_NODEBUG
+# endif
-#if __has_attribute(__standalone_debug__)
-#define _LIBCPP_STANDALONE_DEBUG __attribute__((__standalone_debug__))
-#else
-#define _LIBCPP_STANDALONE_DEBUG
-#endif
+# if __has_attribute(__standalone_debug__)
+# define _LIBCPP_STANDALONE_DEBUG __attribute__((__standalone_debug__))
+# else
+# define _LIBCPP_STANDALONE_DEBUG
+# endif
-#if __has_attribute(__preferred_name__)
-#define _LIBCPP_PREFERRED_NAME(x) __attribute__((__preferred_name__(x)))
-#else
-#define _LIBCPP_PREFERRED_NAME(x)
-#endif
+# if __has_attribute(__preferred_name__)
+# define _LIBCPP_PREFERRED_NAME(x) __attribute__((__preferred_name__(x)))
+# else
+# define _LIBCPP_PREFERRED_NAME(x)
+# endif
// We often repeat things just for handling wide characters in the library.
// When wide characters are disabled, it can be useful to have a quick way of
// disabling it without having to resort to #if-#endif, which has a larger
// impact on readability.
-#if defined(_LIBCPP_HAS_NO_WIDE_CHARACTERS)
-# define _LIBCPP_IF_WIDE_CHARACTERS(...)
-#else
-# define _LIBCPP_IF_WIDE_CHARACTERS(...) __VA_ARGS__
-#endif
+# if defined(_LIBCPP_HAS_NO_WIDE_CHARACTERS)
+# define _LIBCPP_IF_WIDE_CHARACTERS(...)
+# else
+# define _LIBCPP_IF_WIDE_CHARACTERS(...) __VA_ARGS__
+# endif
-#if defined(_LIBCPP_ABI_MICROSOFT) && \
- (defined(_LIBCPP_COMPILER_MSVC) || __has_declspec_attribute(empty_bases))
-# define _LIBCPP_DECLSPEC_EMPTY_BASES __declspec(empty_bases)
-#else
-# define _LIBCPP_DECLSPEC_EMPTY_BASES
-#endif
+# if defined(_LIBCPP_ABI_MICROSOFT) && (defined(_LIBCPP_COMPILER_MSVC) || __has_declspec_attribute(empty_bases))
+# define _LIBCPP_DECLSPEC_EMPTY_BASES __declspec(empty_bases)
+# else
+# define _LIBCPP_DECLSPEC_EMPTY_BASES
+# endif
-#if defined(_LIBCPP_ENABLE_CXX17_REMOVED_FEATURES)
-#define _LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR
-#define _LIBCPP_ENABLE_CXX17_REMOVED_BINDERS
-#define _LIBCPP_ENABLE_CXX17_REMOVED_RANDOM_SHUFFLE
-#define _LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS
-#endif // _LIBCPP_ENABLE_CXX17_REMOVED_FEATURES
-
-#if defined(_LIBCPP_ENABLE_CXX20_REMOVED_FEATURES)
-#define _LIBCPP_ENABLE_CXX20_REMOVED_ALLOCATOR_MEMBERS
-#define _LIBCPP_ENABLE_CXX20_REMOVED_BINDER_TYPEDEFS
-#define _LIBCPP_ENABLE_CXX20_REMOVED_NEGATORS
-#define _LIBCPP_ENABLE_CXX20_REMOVED_RAW_STORAGE_ITERATOR
-#define _LIBCPP_ENABLE_CXX20_REMOVED_TYPE_TRAITS
-#endif // _LIBCPP_ENABLE_CXX20_REMOVED_FEATURES
-
-#if !defined(__cpp_impl_coroutine) || __cpp_impl_coroutine < 201902L
-#define _LIBCPP_HAS_NO_CXX20_COROUTINES
-#endif
+# if defined(_LIBCPP_ENABLE_CXX17_REMOVED_FEATURES)
+# define _LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR
+# define _LIBCPP_ENABLE_CXX17_REMOVED_BINDERS
+# define _LIBCPP_ENABLE_CXX17_REMOVED_RANDOM_SHUFFLE
+# define _LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS
+# endif // _LIBCPP_ENABLE_CXX17_REMOVED_FEATURES
+
+# if defined(_LIBCPP_ENABLE_CXX20_REMOVED_FEATURES)
+# define _LIBCPP_ENABLE_CXX20_REMOVED_ALLOCATOR_MEMBERS
+# define _LIBCPP_ENABLE_CXX20_REMOVED_BINDER_TYPEDEFS
+# define _LIBCPP_ENABLE_CXX20_REMOVED_NEGATORS
+# define _LIBCPP_ENABLE_CXX20_REMOVED_RAW_STORAGE_ITERATOR
+# define _LIBCPP_ENABLE_CXX20_REMOVED_TYPE_TRAITS
+# endif // _LIBCPP_ENABLE_CXX20_REMOVED_FEATURES
+
+# if !defined(__cpp_impl_coroutine) || __cpp_impl_coroutine < 201902L
+# define _LIBCPP_HAS_NO_CXX20_COROUTINES
+# endif
# define _LIBCPP_PUSH_MACROS _Pragma("push_macro(\"min\")") _Pragma("push_macro(\"max\")")
# define _LIBCPP_POP_MACROS _Pragma("pop_macro(\"min\")") _Pragma("pop_macro(\"max\")")
-#ifndef _LIBCPP_NO_AUTO_LINK
-# if defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_BUILDING_LIBRARY)
-# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
-# pragma comment(lib, "c++.lib")
-# else
-# pragma comment(lib, "libc++.lib")
-# endif
-# endif // defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_BUILDING_LIBRARY)
-#endif // _LIBCPP_NO_AUTO_LINK
+# ifndef _LIBCPP_NO_AUTO_LINK
+# if defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_BUILDING_LIBRARY)
+# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
+# pragma comment(lib, "c++.lib")
+# else
+# pragma comment(lib, "libc++.lib")
+# endif
+# endif // defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_BUILDING_LIBRARY)
+# endif // _LIBCPP_NO_AUTO_LINK
// Configures the fopen close-on-exec mode character, if any. This string will
// be appended to any mode string used by fstream for fopen/fdopen.
//
// Not all platforms support this, but it helps avoid fd-leaks on platforms that
// do.
-#if defined(__BIONIC__)
-# define _LIBCPP_FOPEN_CLOEXEC_MODE "e"
-#else
-# define _LIBCPP_FOPEN_CLOEXEC_MODE
-#endif
+# if defined(__BIONIC__)
+# define _LIBCPP_FOPEN_CLOEXEC_MODE "e"
+# else
+# define _LIBCPP_FOPEN_CLOEXEC_MODE
+# endif
// Support for _FILE_OFFSET_BITS=64 landed gradually in Android, so the full set
// of functions used in cstdio may not be available for low API levels when
// using 64-bit file offsets on LP32.
-#if defined(__BIONIC__) && defined(__USE_FILE_OFFSET64) && __ANDROID_API__ < 24
-#define _LIBCPP_HAS_NO_FGETPOS_FSETPOS
-#endif
+# if defined(__BIONIC__) && defined(__USE_FILE_OFFSET64) && __ANDROID_API__ < 24
+# define _LIBCPP_HAS_NO_FGETPOS_FSETPOS
+# endif
-#if __has_attribute(init_priority)
- // TODO: Remove this once we drop support for building libc++ with old Clangs
-# if (defined(_LIBCPP_CLANG_VER) && _LIBCPP_CLANG_VER < 1200) || \
- (defined(__apple_build_version__) && __apple_build_version__ < 13000000)
-# define _LIBCPP_INIT_PRIORITY_MAX __attribute__((init_priority(101)))
-# else
-# define _LIBCPP_INIT_PRIORITY_MAX __attribute__((init_priority(100)))
-# endif
-#else
-# define _LIBCPP_INIT_PRIORITY_MAX
-#endif
+# if __has_attribute(init_priority)
+// TODO: Remove this once we drop support for building libc++ with old Clangs
+# if (defined(_LIBCPP_CLANG_VER) && _LIBCPP_CLANG_VER < 1200) || \
+ (defined(__apple_build_version__) && __apple_build_version__ < 13000000)
+# define _LIBCPP_INIT_PRIORITY_MAX __attribute__((init_priority(101)))
+# else
+# define _LIBCPP_INIT_PRIORITY_MAX __attribute__((init_priority(100)))
+# endif
+# else
+# define _LIBCPP_INIT_PRIORITY_MAX
+# endif
-#if defined(__GNUC__) || defined(__clang__)
- // The attribute uses 1-based indices for ordinary and static member functions.
- // The attribute uses 2-based indices for non-static member functions.
-# define _LIBCPP_ATTRIBUTE_FORMAT(archetype, format_string_index, first_format_arg_index) \
- __attribute__((__format__(archetype, format_string_index, first_format_arg_index)))
-#else
-# define _LIBCPP_ATTRIBUTE_FORMAT(archetype, format_string_index, first_format_arg_index) /* nothing */
-#endif
+# if defined(__GNUC__) || defined(__clang__)
+// The attribute uses 1-based indices for ordinary and static member functions.
+// The attribute uses 2-based indices for non-static member functions.
+# define _LIBCPP_ATTRIBUTE_FORMAT(archetype, format_string_index, first_format_arg_index) \
+ __attribute__((__format__(archetype, format_string_index, first_format_arg_index)))
+# else
+# define _LIBCPP_ATTRIBUTE_FORMAT(archetype, format_string_index, first_format_arg_index) /* nothing */
+# endif
-#if __has_cpp_attribute(msvc::no_unique_address)
- // MSVC implements [[no_unique_address]] as a silent no-op currently.
- // (If/when MSVC breaks its C++ ABI, it will be changed to work as intended.)
- // However, MSVC implements [[msvc::no_unique_address]] which does what
- // [[no_unique_address]] is supposed to do, in general.
-
- // Clang-cl does not yet (14.0) implement either [[no_unique_address]] or
- // [[msvc::no_unique_address]] though. If/when it does implement
- // [[msvc::no_unique_address]], this should be preferred though.
-# define _LIBCPP_NO_UNIQUE_ADDRESS [[msvc::no_unique_address]]
-#elif __has_cpp_attribute(no_unique_address)
-# define _LIBCPP_NO_UNIQUE_ADDRESS [[no_unique_address]]
-#else
-# define _LIBCPP_NO_UNIQUE_ADDRESS /* nothing */
- // Note that this can be replaced by #error as soon as clang-cl
- // implements msvc::no_unique_address, since there should be no C++20
- // compiler that doesn't support one of the two attributes at that point.
- // We generally don't want to use this macro outside of C++20-only code,
- // because using it conditionally in one language version only would make
- // the ABI inconsistent.
-#endif
+# if __has_cpp_attribute(msvc::no_unique_address)
+// MSVC implements [[no_unique_address]] as a silent no-op currently.
+// (If/when MSVC breaks its C++ ABI, it will be changed to work as intended.)
+// However, MSVC implements [[msvc::no_unique_address]] which does what
+// [[no_unique_address]] is supposed to do, in general.
+
+// Clang-cl does not yet (14.0) implement either [[no_unique_address]] or
+// [[msvc::no_unique_address]] though. If/when it does implement
+// [[msvc::no_unique_address]], this should be preferred though.
+# define _LIBCPP_NO_UNIQUE_ADDRESS [[msvc::no_unique_address]]
+# elif __has_cpp_attribute(no_unique_address)
+# define _LIBCPP_NO_UNIQUE_ADDRESS [[no_unique_address]]
+# else
+# define _LIBCPP_NO_UNIQUE_ADDRESS /* nothing */
+// Note that this can be replaced by #error as soon as clang-cl
+// implements msvc::no_unique_address, since there should be no C++20
+// compiler that doesn't support one of the two attributes at that point.
+// We generally don't want to use this macro outside of C++20-only code,
+// because using it conditionally in one language version only would make
+// the ABI inconsistent.
+# endif
-#ifdef _LIBCPP_COMPILER_CLANG_BASED
-# define _LIBCPP_DIAGNOSTIC_PUSH _Pragma("clang diagnostic push")
-# define _LIBCPP_DIAGNOSTIC_POP _Pragma("clang diagnostic pop")
-# define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
-# define _LIBCPP_GCC_DIAGNOSTIC_IGNORED(str)
-#elif defined(_LIBCPP_COMPILER_GCC)
-# define _LIBCPP_DIAGNOSTIC_PUSH _Pragma("GCC diagnostic push")
-# define _LIBCPP_DIAGNOSTIC_POP _Pragma("GCC diagnostic pop")
-# define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str)
-# define _LIBCPP_GCC_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(GCC diagnostic ignored str))
-#else
-# define _LIBCPP_DIAGNOSTIC_PUSH
-# define _LIBCPP_DIAGNOSTIC_POP
-# define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str)
-# define _LIBCPP_GCC_DIAGNOSTIC_IGNORED(str)
-#endif
+# ifdef _LIBCPP_COMPILER_CLANG_BASED
+# define _LIBCPP_DIAGNOSTIC_PUSH _Pragma("clang diagnostic push")
+# define _LIBCPP_DIAGNOSTIC_POP _Pragma("clang diagnostic pop")
+# define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str))
+# define _LIBCPP_GCC_DIAGNOSTIC_IGNORED(str)
+# elif defined(_LIBCPP_COMPILER_GCC)
+# define _LIBCPP_DIAGNOSTIC_PUSH _Pragma("GCC diagnostic push")
+# define _LIBCPP_DIAGNOSTIC_POP _Pragma("GCC diagnostic pop")
+# define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str)
+# define _LIBCPP_GCC_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(GCC diagnostic ignored str))
+# else
+# define _LIBCPP_DIAGNOSTIC_PUSH
+# define _LIBCPP_DIAGNOSTIC_POP
+# define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str)
+# define _LIBCPP_GCC_DIAGNOSTIC_IGNORED(str)
+# endif
-#if defined(_AIX) && !defined(_LIBCPP_COMPILER_GCC)
-# define _LIBCPP_PACKED_BYTE_FOR_AIX _Pragma("pack(1)")
-# define _LIBCPP_PACKED_BYTE_FOR_AIX_END _Pragma("pack(pop)")
-#else
-# define _LIBCPP_PACKED_BYTE_FOR_AIX /* empty */
-# define _LIBCPP_PACKED_BYTE_FOR_AIX_END /* empty */
-#endif
+# if defined(_AIX) && !defined(_LIBCPP_COMPILER_GCC)
+# define _LIBCPP_PACKED_BYTE_FOR_AIX _Pragma("pack(1)")
+# define _LIBCPP_PACKED_BYTE_FOR_AIX_END _Pragma("pack(pop)")
+# else
+# define _LIBCPP_PACKED_BYTE_FOR_AIX /* empty */
+# define _LIBCPP_PACKED_BYTE_FOR_AIX_END /* empty */
+# endif
#endif // __cplusplus
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