diff options
Diffstat (limited to 'thirdparty/ue-libcxx/include/c++/v1/__config')
| -rw-r--r-- | thirdparty/ue-libcxx/include/c++/v1/__config | 1224 |
1 files changed, 0 insertions, 1224 deletions
diff --git a/thirdparty/ue-libcxx/include/c++/v1/__config b/thirdparty/ue-libcxx/include/c++/v1/__config deleted file mode 100644 index 2f80df35f..000000000 --- a/thirdparty/ue-libcxx/include/c++/v1/__config +++ /dev/null @@ -1,1224 +0,0 @@ -// -*- C++ -*- -//===----------------------------------------------------------------------===// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// - -#ifndef _LIBCPP___CONFIG -#define _LIBCPP___CONFIG - -#include <__config_site> - -#if defined(_MSC_VER) && !defined(__clang__) -# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) -# define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -# endif -#endif - -#ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -# pragma GCC system_header -#endif - -#ifdef __cplusplus - -# define _LIBCPP_VERSION 15001 - -# define _LIBCPP_CONCAT_IMPL(_X, _Y) _X##_Y -# define _LIBCPP_CONCAT(_X, _Y) _LIBCPP_CONCAT_IMPL(_X, _Y) - -// Valid C++ identifier that revs with every libc++ version. This can be used to -// generate identifiers that must be unique for every released libc++ version. -# define _LIBCPP_VERSIONED_IDENTIFIER _LIBCPP_CONCAT(v, _LIBCPP_VERSION) - -# 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 -# 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 - -# 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 -// Fix deque iterator type in order to support incomplete types. -# 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 -// Fix undefined behavior in how __tree stores its end and parent nodes. -# 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 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 -// 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 -// Enable optimized version of __do_get_(un)signed which avoids redundant copies. -# define _LIBCPP_ABI_OPTIMIZED_LOCALE_NUM_GET -// 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 -// 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 -// Unstable attempt to provide a more optimized std::function -# define _LIBCPP_ABI_OPTIMIZED_FUNCTION -// All the regex constants must be distinct and nonzero. -# define _LIBCPP_ABI_REGEX_CONSTANTS_NONZERO -// Re-worked external template instantiations for std::string with a focus on -// performance and fast-path inlining. -# define _LIBCPP_ABI_STRING_OPTIMIZED_EXTERNAL_INSTANTIATION -// Enable clang::trivial_abi on std::unique_ptr. -# 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 -// 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 -// 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 -// 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 -// According to the Standard, `bitset::operator[] const` returns 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)) -// 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 -// of inline functions to be emitted anyway. Our own non-inline copy would -// conflict with the dllexport-emitted copy, so we disable it. For XCOFF, -// 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 -// 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 -# endif -# endif - -# 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 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_TOSTRING2(x) # x -# define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x) - -# if __cplusplus < 201103L -# define _LIBCPP_CXX03_LANG -# endif - -# ifndef __has_attribute -# define __has_attribute(__x) 0 -# endif - -# ifndef __has_builtin -# define __has_builtin(__x) 0 -# endif - -# ifndef __has_extension -# define __has_extension(__x) 0 -# endif - -# ifndef __has_feature -# define __has_feature(__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 __has_declspec_attribute -# define __has_declspec_attribute(__x) 0 -# endif - -# define __has_keyword(__x) !(__is_identifier(__x)) - -# 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 -# endif - -# if !defined(_LIBCPP_COMPILER_CLANG_BASED) && __cplusplus < 201103L -# error "libc++ only supports C++03 with Clang-based compilers. Please enable C++11" -# endif - -# ifdef _LIBCPP_COMPILER_MSVC -# error If you successfully use libc++ with MSVC please tell the libc++ developers and consider upstreaming your \ -changes. We are not aware of anybody using this configuration and know that at least some code is currently broken. \ -If there are users of this configuration we are happy to provide support. -# 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) -# define _LIBCPP_ABI_MICROSOFT -# else -# define _LIBCPP_ABI_ITANIUM -# endif -# endif - -# if defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_NO_VCRUNTIME) -# define _LIBCPP_ABI_VCRUNTIME -# endif - -# if __has_feature(experimental_library) -# ifndef _LIBCPP_ENABLE_EXPERIMENTAL -# define _LIBCPP_ENABLE_EXPERIMENTAL -# endif -# endif - -// Incomplete features get their own specific disabling flags. This makes it -// easier to grep for target specific flags once the feature is complete. -# if !defined(_LIBCPP_ENABLE_EXPERIMENTAL) && !defined(_LIBCPP_BUILDING_LIBRARY) -# define _LIBCPP_HAS_NO_INCOMPLETE_FORMAT -# define _LIBCPP_HAS_NO_INCOMPLETE_RANGES -# 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__ - -# 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 -# define _LIBCPP_SHORT_WCHAR 1 -// Both MinGW and native MSVC provide a "MSVC"-like environment -# 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) - -# 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 - -// Libc++ supports various implementations of std::random_device. -// -// _LIBCPP_USING_DEV_RANDOM -// Read entropy from the given file, by default `/dev/urandom`. -// If a token is provided, it is assumed to be the path to a file -// to read entropy from. This is the default behavior if nothing -// else is specified. This implementation requires storing state -// inside `std::random_device`. -// -// _LIBCPP_USING_ARC4_RANDOM -// Use arc4random(). This allows obtaining random data even when -// using sandboxing mechanisms. On some platforms like Apple, this -// is the recommended source of entropy for user-space programs. -// When this option is used, the token passed to `std::random_device`'s -// constructor *must* be "/dev/urandom" -- anything else is an error. -// -// _LIBCPP_USING_GETENTROPY -// Use getentropy(). -// When this option is used, the token passed to `std::random_device`'s -// constructor *must* be "/dev/urandom" -- anything else is an error. -// -// _LIBCPP_USING_FUCHSIA_CPRNG -// Use Fuchsia's zx_cprng_draw() system call, which is specified to -// deliver high-quality entropy and cannot fail. -// When this option is used, the token passed to `std::random_device`'s -// constructor *must* be "/dev/urandom" -- anything else is an error. -// -// _LIBCPP_USING_NACL_RANDOM -// NaCl's sandbox (which PNaCl also runs in) doesn't allow filesystem access, -// including accesses to the special files under `/dev`. This implementation -// uses the NaCL syscall `nacl_secure_random_init()` to get entropy. -// When this option is used, the token passed to `std::random_device`'s -// constructor *must* be "/dev/urandom" -- anything else is an error. -// -// _LIBCPP_USING_WIN32_RANDOM -// 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 -# 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 - -# ifndef _LIBCPP_CXX03_LANG - -# define _LIBCPP_ALIGNOF(_Tp) alignof(_Tp) -# define _ALIGNAS_TYPE(x) alignas(x) -# define _ALIGNAS(x) alignas(x) -# define _LIBCPP_NORETURN [[noreturn]] -# define _NOEXCEPT noexcept -# define _NOEXCEPT_(x) noexcept(x) - -# else - -# define _LIBCPP_ALIGNOF(_Tp) _Alignof(_Tp) -# define _ALIGNAS_TYPE(x) __attribute__((__aligned__(_LIBCPP_ALIGNOF(x)))) -# define _ALIGNAS(x) __attribute__((__aligned__(x))) -# define _LIBCPP_NORETURN __attribute__((noreturn)) -# define _LIBCPP_HAS_NO_NOEXCEPT -# define nullptr __nullptr -# define _NOEXCEPT throw() -# define _NOEXCEPT_(x) - -typedef __char16_t char16_t; -typedef __char32_t char32_t; - -# endif - -# if !defined(__cpp_exceptions) || __cpp_exceptions < 199711L -# define _LIBCPP_NO_EXCEPTIONS -# endif - -# define _LIBCPP_PREFERRED_ALIGNOF(_Tp) __alignof(_Tp) - -# if defined(_LIBCPP_COMPILER_CLANG_BASED) - -# if defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && (!defined(__arm__) || __ARM_ARCH_7K__ >= 2) -# define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT -# endif - -// Objective-C++ features (opt-in) -# 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_extension(blocks) -# define _LIBCPP_HAS_EXTENSION_BLOCKS -# endif - -# if defined(_LIBCPP_HAS_EXTENSION_BLOCKS) && defined(__APPLE__) -# define _LIBCPP_HAS_BLOCKS_RUNTIME -# 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 - -# define _LIBCPP_ALWAYS_INLINE __attribute__((__always_inline__)) - -# define _LIBCPP_DISABLE_EXTENSION_WARNING __extension__ - -# elif defined(_LIBCPP_COMPILER_GCC) - -# if !defined(__SANITIZE_ADDRESS__) -# define _LIBCPP_HAS_NO_ASAN -# endif - -# define _LIBCPP_ALWAYS_INLINE __attribute__((__always_inline__)) - -# define _LIBCPP_DISABLE_EXTENSION_WARNING __extension__ - -# elif defined(_LIBCPP_COMPILER_MSVC) - -# 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 - -# define _LIBCPP_NORETURN __declspec(noreturn) - -# define _LIBCPP_WEAK - -# define _LIBCPP_HAS_NO_ASAN - -# define _LIBCPP_ALWAYS_INLINE __forceinline - -# define _LIBCPP_HAS_NO_VECTOR_EXTENSION - -# define _LIBCPP_DISABLE_EXTENSION_WARNING - -# endif // _LIBCPP_COMPILER_[CLANG|GCC|MSVC] - -# if defined(_LIBCPP_OBJECT_FORMAT_COFF) - -# 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 - -# 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 - -# else - -# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) -# define _LIBCPP_VISIBILITY(vis) __attribute__((__visibility__(vis))) -# else -# define _LIBCPP_VISIBILITY(vis) -# endif - -# define _LIBCPP_HIDDEN _LIBCPP_VISIBILITY("hidden") -# define _LIBCPP_FUNC_VIS _LIBCPP_VISIBILITY("default") -# define _LIBCPP_TYPE_VIS _LIBCPP_VISIBILITY("default") -# define _LIBCPP_TEMPLATE_DATA_VIS _LIBCPP_VISIBILITY("default") -# define _LIBCPP_EXPORTED_FROM_ABI _LIBCPP_VISIBILITY("default") -# define _LIBCPP_EXCEPTION_ABI _LIBCPP_VISIBILITY("default") -# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_VISIBILITY("default") -# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS - -// TODO: Make this a proper customization point or remove the option to override it. -# ifndef _LIBCPP_OVERRIDABLE_FUNC_VIS -# define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_VISIBILITY("default") -# endif - -# 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 -# endif - -# 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 -# endif - -# 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 // defined(_LIBCPP_OBJECT_FORMAT_COFF) - -# 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 - -// This macro marks a symbol as being hidden from libc++'s ABI. This is achieved -// on two levels: -// 1. The symbol is given hidden visibility, which ensures that users won't start exporting -// symbols from their dynamic library by means of using the libc++ headers. This ensures -// that those symbols stay private to the dynamic library in which it is defined. -// -// 2. The symbol is given an ABI tag that changes with each version of libc++. This ensures -// that no ODR violation can arise from mixing two TUs compiled with different versions -// of libc++ where we would have changed the definition of a symbol. If the symbols shared -// the same name, the ODR would require that their definitions be token-by-token equivalent, -// which basically prevents us from being able to make any change to any function in our -// headers. Using this ABI tag ensures that the symbol name is "bumped" artificially at -// each release, which lets us change the definition of these symbols at our leisure. -// Note that historically, this has been achieved in various ways, including force-inlining -// all functions or giving internal linkage to all functions. Both these (previous) solutions -// suffer from drawbacks that lead notably to code bloat. -// -// Note that we use _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION to ensure that we don't depend -// on _LIBCPP_HIDE_FROM_ABI methods of classes explicitly instantiated in the dynamic library. -// -// TODO: We provide a escape hatch with _LIBCPP_NO_ABI_TAG for folks who want to avoid increasing -// the length of symbols with an ABI tag. In practice, we should remove the escape hatch and -// use compression mangling instead, see https://github.com/itanium-cxx-abi/cxx-abi/issues/70. -# ifndef _LIBCPP_NO_ABI_TAG -# define _LIBCPP_HIDE_FROM_ABI \ - _LIBCPP_HIDDEN _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION \ - __attribute__((__abi_tag__(_LIBCPP_TOSTRING(_LIBCPP_VERSIONED_IDENTIFIER)))) -# else -# define _LIBCPP_HIDE_FROM_ABI _LIBCPP_HIDDEN _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION -# 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 _LIBCPP_HIDE_FROM_ABI -# endif - -// Just so we can migrate to the new macros gradually. -# define _LIBCPP_INLINE_VISIBILITY _LIBCPP_HIDE_FROM_ABI - -// Inline namespaces are available in Clang/GCC/MSVC regardless of C++ dialect. -// 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 - -# define _LIBCPP_END_NAMESPACE_FILESYSTEM _LIBCPP_END_NAMESPACE_STD }} -// clang-format on - -# define _VSTD_FS std::__fs::filesystem - -# if __has_attribute(__enable_if__) -# define _LIBCPP_PREFERRED_OVERLOAD __attribute__((__enable_if__(true, ""))) -# 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 _LIBCPP_CONSTEXPR -# else -# define _LIBCPP_CONSTEXPR constexpr -# 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 - -# 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 -// 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 - -// 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_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__) || defined(__sun__) -# define _LIBCPP_WCTYPE_IS_MASK -# 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)) -# define _LIBCPP_DEPRECATED_(m) __attribute__((deprected(m))) -# elif _LIBCPP_STD_VER > 11 -# define _LIBCPP_DEPRECATED [[deprecated]] -# define _LIBCPP_DEPRECATED_(m) [[deprecated(m)]] -# else -# define _LIBCPP_DEPRECATED -# define _LIBCPP_DEPRECATED_(m) -# endif -# else -# define _LIBCPP_DEPRECATED -# define _LIBCPP_DEPRECATED_(m) -# 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 > 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 !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 _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 > 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 __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 - -// _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_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 - -# 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(__cpp_rtti) || __cpp_rtti < 199711L -# define _LIBCPP_NO_RTTI -# endif - -# ifndef _LIBCPP_WEAK -# define _LIBCPP_WEAK __attribute__((__weak__)) -# endif - -// Thread API -// 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 \ - _LIBCPP_HAS_NO_THREADS is not defined. -# endif - -# 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 - -# 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 - -# 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 -// mutexes have no destroy mechanism. -// -// This optimization can't be performed on Apple platforms, where -// pthread_mutex_destroy can allow the kernel to release resources. -// See https://llvm.org/D64298 for details. -// -// TODO(EricWF): Enable this optimization on Bionic after speaking to their -// respective stakeholders. -// 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. -// -// This optimization can't be performed on Apple platforms, where -// pthread_cond_destroy can allow the kernel to release resources. -// See https://llvm.org/D64298 for details. -// -// 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 - -// 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 __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(_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 - -# 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) -// 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 -# 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 - -# 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 - -// Use a function like macro to imply that it must be followed by a semicolon -# if __has_cpp_attribute(fallthrough) -# define _LIBCPP_FALLTHROUGH() [[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(__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 - -// 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_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 -# define _LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION -# 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_ALLOCATOR_VOID_SPECIALIZATION -# 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 - -// 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 - -// 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 __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 __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 - -# 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 __has_attribute(__packed__) -# define _LIBCPP_PACKED __attribute__((__packed__)) -# else -# define _LIBCPP_PACKED -# endif - -#endif // __cplusplus - -#endif // _LIBCPP___CONFIG |