// -*- C++ -*- //===--------------------------- __config ---------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #ifndef _LIBCPP_CONFIG #define _LIBCPP_CONFIG #if defined(_MSC_VER) && !defined(__clang__) #define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER #endif #ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER #pragma GCC system_header #endif #ifdef __cplusplus #ifdef __GNUC__ #define _GNUC_VER (__GNUC__ * 100 + __GNUC_MINOR__) #else #define _GNUC_VER 0 #endif #define _LIBCPP_VERSION 4000 #ifndef _LIBCPP_ABI_VERSION #define _LIBCPP_ABI_VERSION 1 #endif #if defined(_LIBCPP_ABI_UNSTABLE) || _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 it's 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 it's 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_VARIADIC_LOCK_GUARD // Don't use a nullptr_t simulation type in C++03 instead using C++11 nullptr // provided under the alternate keyword __nullptr, which changes the mangling // of nullptr_t. This option is ABI incompatible with GCC in C++03 mode. #define _LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR #elif _LIBCPP_ABI_VERSION == 1 // 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 #ifdef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR #error "_LIBCPP_TRIVIAL_PAIR_COPY_CTOR" is no longer supported. \ use _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR instead #endif #define _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_X##_LIBCPP_Y #define _LIBCPP_CONCAT(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) #define _LIBCPP_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION) #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 // '__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 // Need to detect which libc we're using if we're on Linux. #if defined(__linux__) #include #if !defined(__GLIBC_PREREQ) #define __GLIBC_PREREQ(a, b) 0 #endif // !defined(__GLIBC_PREREQ) #endif // defined(__linux__) #ifdef __LITTLE_ENDIAN__ #if __LITTLE_ENDIAN__ #define _LIBCPP_LITTLE_ENDIAN 1 #define _LIBCPP_BIG_ENDIAN 0 #endif // __LITTLE_ENDIAN__ #endif // __LITTLE_ENDIAN__ #ifdef __BIG_ENDIAN__ #if __BIG_ENDIAN__ #define _LIBCPP_LITTLE_ENDIAN 0 #define _LIBCPP_BIG_ENDIAN 1 #endif // __BIG_ENDIAN__ #endif // __BIG_ENDIAN__ #ifdef __BYTE_ORDER__ #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ #define _LIBCPP_LITTLE_ENDIAN 1 #define _LIBCPP_BIG_ENDIAN 0 #elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ #define _LIBCPP_LITTLE_ENDIAN 0 #define _LIBCPP_BIG_ENDIAN 1 #endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ #endif // __BYTE_ORDER__ #ifdef __FreeBSD__ # include # if _BYTE_ORDER == _LITTLE_ENDIAN # define _LIBCPP_LITTLE_ENDIAN 1 # define _LIBCPP_BIG_ENDIAN 0 # else // _BYTE_ORDER == _LITTLE_ENDIAN # define _LIBCPP_LITTLE_ENDIAN 0 # define _LIBCPP_BIG_ENDIAN 1 # endif // _BYTE_ORDER == _LITTLE_ENDIAN # ifndef __LONG_LONG_SUPPORTED # define _LIBCPP_HAS_NO_LONG_LONG # endif // __LONG_LONG_SUPPORTED #endif // __FreeBSD__ #ifdef __NetBSD__ # include # if _BYTE_ORDER == _LITTLE_ENDIAN # define _LIBCPP_LITTLE_ENDIAN 1 # define _LIBCPP_BIG_ENDIAN 0 # else // _BYTE_ORDER == _LITTLE_ENDIAN # define _LIBCPP_LITTLE_ENDIAN 0 # define _LIBCPP_BIG_ENDIAN 1 # endif // _BYTE_ORDER == _LITTLE_ENDIAN # define _LIBCPP_HAS_QUICK_EXIT #endif // __NetBSD__ #ifdef _WIN32 # define _LIBCPP_LITTLE_ENDIAN 1 # define _LIBCPP_BIG_ENDIAN 0 // Compiler intrinsics (MSVC) #if defined(_MSC_VER) && _MSC_VER >= 1400 # define _LIBCPP_HAS_IS_BASE_OF # endif # if defined(_MSC_VER) && !defined(__clang__) # define _LIBCPP_MSVC // Using Microsoft Visual C++ compiler # define _LIBCPP_TOSTRING2(x) #x # define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x) # define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x)) # endif # // If mingw not explicitly detected, assume using MS C runtime only. # ifndef __MINGW32__ # define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library # endif #endif // _WIN32 #ifdef __sun__ # include # ifdef _LITTLE_ENDIAN # define _LIBCPP_LITTLE_ENDIAN 1 # define _LIBCPP_BIG_ENDIAN 0 # else # define _LIBCPP_LITTLE_ENDIAN 0 # define _LIBCPP_BIG_ENDIAN 1 # endif #endif // __sun__ #if defined(__CloudABI__) // Certain architectures provide arc4random(). Prefer using // arc4random() over /dev/{u,}random to make it possible to obtain // random data even when using sandboxing mechanisms such as chroots, // Capsicum, etc. # define _LIBCPP_USING_ARC4_RANDOM #elif defined(__native_client__) // NaCl's sandbox (which PNaCl also runs in) doesn't allow filesystem access, // including accesses to the special files under /dev. C++11's // std::random_device is instead exposed through a NaCl syscall. # define _LIBCPP_USING_NACL_RANDOM #elif defined(_WIN32) # define _LIBCPP_USING_WIN32_RANDOM #else # define _LIBCPP_USING_DEV_RANDOM #endif #if !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN) # include # if __BYTE_ORDER == __LITTLE_ENDIAN # define _LIBCPP_LITTLE_ENDIAN 1 # define _LIBCPP_BIG_ENDIAN 0 # elif __BYTE_ORDER == __BIG_ENDIAN # define _LIBCPP_LITTLE_ENDIAN 0 # define _LIBCPP_BIG_ENDIAN 1 # 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__) #define _LIBCPP_NO_CFI __attribute__((__no_sanitize__("cfi"))) #else #define _LIBCPP_NO_CFI #endif #if defined(__clang__) // _LIBCPP_ALTERNATE_STRING_LAYOUT is an old name for // _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT left here for backward compatibility. #if (defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && \ !defined(__arm__)) || \ defined(_LIBCPP_ALTERNATE_STRING_LAYOUT) #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__(__alignof(x)))) # define _ALIGNAS(x) __attribute__((__aligned__(x))) #endif #if __cplusplus < 201103L typedef __char16_t char16_t; typedef __char32_t char32_t; #endif #if !(__has_feature(cxx_exceptions)) && !defined(_LIBCPP_NO_EXCEPTIONS) #define _LIBCPP_NO_EXCEPTIONS #endif #if !(__has_feature(cxx_rtti)) #define _LIBCPP_NO_RTTI #endif #if !(__has_feature(cxx_strong_enums)) #define _LIBCPP_HAS_NO_STRONG_ENUMS #endif #if !(__has_feature(cxx_decltype)) #define _LIBCPP_HAS_NO_DECLTYPE #endif #if __has_feature(cxx_attributes) # define _LIBCPP_NORETURN [[noreturn]] #else # define _LIBCPP_NORETURN __attribute__ ((noreturn)) #endif #if !(__has_feature(cxx_deleted_functions)) #define _LIBCPP_HAS_NO_DELETED_FUNCTIONS #endif // !(__has_feature(cxx_deleted_functions)) #if !(__has_feature(cxx_lambdas)) #define _LIBCPP_HAS_NO_LAMBDAS #endif #if !(__has_feature(cxx_nullptr)) # if __has_extension(cxx_nullptr) && defined(_LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR) # define nullptr __nullptr # else # define _LIBCPP_HAS_NO_NULLPTR # endif #endif #if !(__has_feature(cxx_rvalue_references)) #define _LIBCPP_HAS_NO_RVALUE_REFERENCES #endif #if !(__has_feature(cxx_auto_type)) #define _LIBCPP_HAS_NO_AUTO_TYPE #endif #if !(__has_feature(cxx_variadic_templates)) #define _LIBCPP_HAS_NO_VARIADICS #endif #if !(__has_feature(cxx_generalized_initializers)) #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS #endif #if __has_feature(is_base_of) # define _LIBCPP_HAS_IS_BASE_OF #endif #if __has_feature(is_final) # define _LIBCPP_HAS_IS_FINAL #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 #define _LIBCPP_HAS_NO_STRONG_ENUMS #endif #if !(__has_feature(cxx_constexpr)) #define _LIBCPP_HAS_NO_CONSTEXPR #endif #if !(__has_feature(cxx_relaxed_constexpr)) #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR #endif #if !(__has_feature(cxx_variable_templates)) #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES #endif #if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L #if defined(__FreeBSD__) #define _LIBCPP_HAS_QUICK_EXIT #define _LIBCPP_HAS_C11_FEATURES #elif defined(__Fuchsia__) #define _LIBCPP_HAS_QUICK_EXIT #define _LIBCPP_HAS_C11_FEATURES #elif defined(__linux__) #if !defined(_LIBCPP_HAS_MUSL_LIBC) #if __GLIBC_PREREQ(2, 15) || defined(__BIONIC__) #define _LIBCPP_HAS_QUICK_EXIT #endif #if __GLIBC_PREREQ(2, 17) #define _LIBCPP_HAS_C11_FEATURES #endif #else // defined(_LIBCPP_HAS_MUSL_LIBC) #define _LIBCPP_HAS_QUICK_EXIT #define _LIBCPP_HAS_C11_FEATURES #endif #endif // __linux__ #endif #if !(__has_feature(cxx_noexcept)) #define _LIBCPP_HAS_NO_NOEXCEPT #endif #if __has_feature(underlying_type) # define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T) #endif #if __has_feature(is_literal) # define _LIBCPP_IS_LITERAL(T) __is_literal(T) #endif // Inline namespaces are available in Clang regardless of C++ dialect. #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE { #define _LIBCPP_END_NAMESPACE_STD } } #define _VSTD std::_LIBCPP_NAMESPACE namespace std { inline namespace _LIBCPP_NAMESPACE { } } #if !defined(_LIBCPP_HAS_NO_ASAN) && !__has_feature(address_sanitizer) #define _LIBCPP_HAS_NO_ASAN #endif // Allow for build-time disabling of unsigned integer sanitization #if !defined(_LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK) && __has_attribute(no_sanitize) #define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute__((__no_sanitize__("unsigned-integer-overflow"))) #endif #elif defined(__GNUC__) #define _ALIGNAS(x) __attribute__((__aligned__(x))) #define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) #define _LIBCPP_NORETURN __attribute__((noreturn)) #if _GNUC_VER >= 407 #define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T) #define _LIBCPP_IS_LITERAL(T) __is_literal_type(T) #define _LIBCPP_HAS_IS_FINAL #endif #if defined(__GNUC__) && _GNUC_VER >= 403 # define _LIBCPP_HAS_IS_BASE_OF #endif #if !__EXCEPTIONS #define _LIBCPP_NO_EXCEPTIONS #endif // constexpr was added to GCC in 4.6. #if _GNUC_VER < 406 #define _LIBCPP_HAS_NO_CONSTEXPR // Can only use constexpr in c++11 mode. #elif !defined(__GXX_EXPERIMENTAL_CXX0X__) && __cplusplus < 201103L #define _LIBCPP_HAS_NO_CONSTEXPR #endif // Determine if GCC supports relaxed constexpr #if !defined(__cpp_constexpr) || __cpp_constexpr < 201304L #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR #endif // GCC 5 will support variable templates #if !defined(__cpp_variable_templates) || __cpp_variable_templates < 201304L #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES #endif #ifndef __GXX_EXPERIMENTAL_CXX0X__ #define _LIBCPP_HAS_NO_DECLTYPE #define _LIBCPP_HAS_NO_DELETED_FUNCTIONS #define _LIBCPP_HAS_NO_NULLPTR #define _LIBCPP_HAS_NO_UNICODE_CHARS #define _LIBCPP_HAS_NO_VARIADICS #define _LIBCPP_HAS_NO_RVALUE_REFERENCES #define _LIBCPP_HAS_NO_STRONG_ENUMS #define _LIBCPP_HAS_NO_NOEXCEPT #else // __GXX_EXPERIMENTAL_CXX0X__ #if _GNUC_VER < 403 #define _LIBCPP_HAS_NO_RVALUE_REFERENCES #endif #if _GNUC_VER < 404 #define _LIBCPP_HAS_NO_DECLTYPE #define _LIBCPP_HAS_NO_DELETED_FUNCTIONS #define _LIBCPP_HAS_NO_UNICODE_CHARS #define _LIBCPP_HAS_NO_VARIADICS #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS #endif // _GNUC_VER < 404 #if _GNUC_VER < 406 #define _LIBCPP_HAS_NO_NOEXCEPT #define _LIBCPP_HAS_NO_NULLPTR #endif #endif // __GXX_EXPERIMENTAL_CXX0X__ #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { namespace _LIBCPP_NAMESPACE { #define _LIBCPP_END_NAMESPACE_STD } } #define _VSTD std::_LIBCPP_NAMESPACE namespace std { namespace _LIBCPP_NAMESPACE { } using namespace _LIBCPP_NAMESPACE __attribute__((__strong__)); } #if !defined(_LIBCPP_HAS_NO_ASAN) && !defined(__SANITIZE_ADDRESS__) #define _LIBCPP_HAS_NO_ASAN #endif #elif defined(_LIBCPP_MSVC) #define _LIBCPP_HAS_NO_CONSTEXPR #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES #define _LIBCPP_HAS_NO_UNICODE_CHARS #define _LIBCPP_HAS_NO_DELETED_FUNCTIONS #define _LIBCPP_HAS_NO_NOEXCEPT #define __alignof__ __alignof #define _LIBCPP_NORETURN __declspec(noreturn) #define _ALIGNAS(x) __declspec(align(x)) #define _LIBCPP_HAS_NO_VARIADICS #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { #define _LIBCPP_END_NAMESPACE_STD } #define _VSTD std # define _LIBCPP_WEAK namespace std { } #define _LIBCPP_HAS_NO_ASAN #elif defined(__IBMCPP__) #define _ALIGNAS(x) __attribute__((__aligned__(x))) #define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) #define _ATTRIBUTE(x) __attribute__((x)) #define _LIBCPP_NORETURN __attribute__((noreturn)) #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS #define _LIBCPP_HAS_NO_NOEXCEPT #define _LIBCPP_HAS_NO_NULLPTR #define _LIBCPP_HAS_NO_UNICODE_CHARS #define _LIBCPP_HAS_IS_BASE_OF #define _LIBCPP_HAS_IS_FINAL #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES #if defined(_AIX) #define __MULTILOCALE_API #endif #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE { #define _LIBCPP_END_NAMESPACE_STD } } #define _VSTD std::_LIBCPP_NAMESPACE namespace std { inline namespace _LIBCPP_NAMESPACE { } } #define _LIBCPP_HAS_NO_ASAN #endif // __clang__ || __GNUC__ || _MSC_VER || __IBMCPP__ #ifdef _WIN32 #if defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) # define _LIBCPP_DLL_VIS # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS # define _LIBCPP_OVERRIDABLE_FUNC_VIS #elif defined(_LIBCPP_BUILDING_LIBRARY) # define _LIBCPP_DLL_VIS __declspec(dllexport) # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS _LIBCPP_DLL_VIS # define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_DLL_VIS #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 #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_TYPE_VIS_ONLY #define _LIBCPP_FUNC_VIS_ONLY #define _LIBCPP_ENUM_VIS #if defined(_LIBCPP_MSVC) # define _LIBCPP_INLINE_VISIBILITY __forceinline # define _LIBCPP_ALWAYS_INLINE __forceinline # define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __forceinline #else # define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__)) # define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) # define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__ ((__always_inline__)) #endif #endif // _WIN32 #ifndef _LIBCPP_HIDDEN #if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) #define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden"))) #else #define _LIBCPP_HIDDEN #endif #endif #ifndef _LIBCPP_FUNC_VIS #if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) #define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default"))) #else #define _LIBCPP_FUNC_VIS #endif #endif #ifndef _LIBCPP_TYPE_VIS # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) # if __has_attribute(__type_visibility__) # define _LIBCPP_TYPE_VIS __attribute__ ((__type_visibility__("default"))) # else # define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default"))) # endif # else # define _LIBCPP_TYPE_VIS # endif #endif #ifndef _LIBCPP_TYPE_VIS_ONLY # define _LIBCPP_TYPE_VIS_ONLY _LIBCPP_TYPE_VIS #endif #ifndef _LIBCPP_FUNC_VIS_ONLY # define _LIBCPP_FUNC_VIS_ONLY _LIBCPP_FUNC_VIS #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 #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 # endif #endif #ifndef _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__) # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __attribute__ ((__type_visibility__("default"))) # else # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS # endif #endif #ifndef _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS #endif #ifndef _LIBCPP_INLINE_VISIBILITY #if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) #define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__)) #else #define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__)) #endif #endif #ifndef _LIBCPP_ALWAYS_INLINE #if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) #define _LIBCPP_ALWAYS_INLINE __attribute__ ((__visibility__("hidden"), __always_inline__)) #else #define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) #endif #endif #ifndef _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) # define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__((__visibility__("default"), __always_inline__)) # else # define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__((__always_inline__)) # endif #endif #ifndef _LIBCPP_PREFERRED_OVERLOAD # if __has_attribute(__enable_if__) # define _LIBCPP_PREFERRED_OVERLOAD __attribute__ ((__enable_if__(true, ""))) # endif #endif #ifndef _LIBCPP_HAS_NO_NOEXCEPT # define _NOEXCEPT noexcept # define _NOEXCEPT_(x) noexcept(x) #else # define _NOEXCEPT throw() # define _NOEXCEPT_(x) #endif #if defined(_LIBCPP_DEBUG_USE_EXCEPTIONS) # if !defined(_LIBCPP_DEBUG) # error cannot use _LIBCPP_DEBUG_USE_EXCEPTIONS unless _LIBCPP_DEBUG is defined # endif # define _NOEXCEPT_DEBUG noexcept(false) # define _NOEXCEPT_DEBUG_(x) noexcept(false) #else # define _NOEXCEPT_DEBUG _NOEXCEPT # define _NOEXCEPT_DEBUG_(x) _NOEXCEPT_(x) #endif #ifdef _LIBCPP_HAS_NO_UNICODE_CHARS typedef unsigned short char16_t; typedef unsigned int char32_t; #endif // _LIBCPP_HAS_NO_UNICODE_CHARS #ifndef __SIZEOF_INT128__ #define _LIBCPP_HAS_NO_INT128 #endif #ifdef _LIBCPP_CXX03_LANG # if __has_extension(c_static_assert) # define static_assert(__b, __m) _Static_assert(__b, __m) # else extern "C++" { template struct __static_assert_test; template <> struct __static_assert_test {}; template struct __static_assert_check {}; } #define static_assert(__b, __m) \ typedef __static_assert_check)> \ _LIBCPP_CONCAT(__t, __LINE__) # endif // __has_extension(c_static_assert) #endif // _LIBCPP_CXX03_LANG #ifdef _LIBCPP_HAS_NO_DECLTYPE // GCC 4.6 provides __decltype in all standard modes. #if !__is_identifier(__decltype) || _GNUC_VER >= 406 # define decltype(__x) __decltype(__x) #else # define decltype(__x) __typeof__(__x) #endif #endif #ifdef _LIBCPP_HAS_NO_CONSTEXPR #define _LIBCPP_CONSTEXPR #else #define _LIBCPP_CONSTEXPR constexpr #endif #ifdef _LIBCPP_CXX03_LANG #define _LIBCPP_DEFAULT {} #else #define _LIBCPP_DEFAULT = default; #endif #ifdef _LIBCPP_HAS_NO_DELETED_FUNCTIONS #define _LIBCPP_EQUAL_DELETE #else #define _LIBCPP_EQUAL_DELETE = delete #endif #ifdef __GNUC__ #define _NOALIAS __attribute__((__malloc__)) #else #define _NOALIAS #endif #if __has_feature(cxx_explicit_conversions) || defined(__IBMCPP__) || \ (!defined(_LIBCPP_CXX03_LANG) && defined(__GNUC__)) // All supported GCC versions # define _LIBCPP_EXPLICIT explicit #else # define _LIBCPP_EXPLICIT #endif #if !__has_builtin(__builtin_operator_new) || !__has_builtin(__builtin_operator_delete) # define _LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE #endif #ifdef _LIBCPP_HAS_NO_STRONG_ENUMS #define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx #define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \ __lx __v_; \ _LIBCPP_ALWAYS_INLINE x(__lx __v) : __v_(__v) {} \ _LIBCPP_ALWAYS_INLINE explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \ _LIBCPP_ALWAYS_INLINE operator int() const {return __v_;} \ }; #else // _LIBCPP_HAS_NO_STRONG_ENUMS #define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_ENUM_VIS x #define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) #endif // _LIBCPP_HAS_NO_STRONG_ENUMS #ifdef _LIBCPP_DEBUG # if _LIBCPP_DEBUG == 0 # define _LIBCPP_DEBUG_LEVEL 1 # elif _LIBCPP_DEBUG == 1 # define _LIBCPP_DEBUG_LEVEL 2 # else # error Supported values for _LIBCPP_DEBUG are 0 and 1 # endif # define _LIBCPP_EXTERN_TEMPLATE(...) #endif #ifndef _LIBCPP_EXTERN_TEMPLATE #define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__; #endif #ifndef _LIBCPP_EXTERN_TEMPLATE2 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__; #endif #if defined(__APPLE__) && defined(__LP64__) && !defined(__x86_64__) #define _LIBCPP_NONUNIQUE_RTTI_BIT (1ULL << 63) #endif #if defined(__APPLE__) || defined(__FreeBSD__) || defined(_WIN32) || \ defined(__sun__) || defined(__NetBSD__) || defined(__CloudABI__) #define _LIBCPP_LOCALE__L_EXTENSIONS 1 #endif #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) // Most unix variants have catopen. These are the specific ones that don't. #if !defined(_WIN32) && !defined(__BIONIC__) && !defined(_NEWLIB_VERSION) #define _LIBCPP_HAS_CATOPEN 1 #endif #endif #ifdef __FreeBSD__ #define _DECLARE_C99_LDBL_MATH 1 #endif #if defined(__APPLE__) || defined(__FreeBSD__) #define _LIBCPP_HAS_DEFAULTRUNELOCALE #endif #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__) #define _LIBCPP_WCTYPE_IS_MASK #endif #ifndef _LIBCPP_STD_VER # if __cplusplus <= 201103L # define _LIBCPP_STD_VER 11 # elif __cplusplus <= 201402L # define _LIBCPP_STD_VER 14 # else # define _LIBCPP_STD_VER 16 // current year, or date of c++17 ratification # endif #endif // _LIBCPP_STD_VER #if _LIBCPP_STD_VER > 11 #define _LIBCPP_DEPRECATED [[deprecated]] #else #define _LIBCPP_DEPRECATED #endif #if _LIBCPP_STD_VER <= 11 #define _LIBCPP_EXPLICIT_AFTER_CXX11 #define _LIBCPP_DEPRECATED_AFTER_CXX11 #else #define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit #define _LIBCPP_DEPRECATED_AFTER_CXX11 [[deprecated]] #endif #if _LIBCPP_STD_VER > 11 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) #define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr #else #define _LIBCPP_CONSTEXPR_AFTER_CXX11 #endif #if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) #define _LIBCPP_CONSTEXPR_AFTER_CXX14 constexpr #else #define _LIBCPP_CONSTEXPR_AFTER_CXX14 #endif // FIXME: Remove all usages of this macro once compilers catch up. #if !defined(__cpp_inline_variables) || (__cpp_inline_variables < 201606L) # define _LIBCPP_HAS_NO_INLINE_VARIABLES #endif #ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES # define _LIBCPP_EXPLICIT_MOVE(x) _VSTD::move(x) #else # define _LIBCPP_EXPLICIT_MOVE(x) (x) #endif #ifndef _LIBCPP_HAS_NO_ASAN _LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container( const void *, const void *, const void *, const void *); #endif // Try to find out if RTTI is disabled. // g++ and cl.exe have RTTI on by default and define a macro when it is. // g++ only defines the macro in 4.3.2 and onwards. #if !defined(_LIBCPP_NO_RTTI) # if defined(__GNUC__) && ((__GNUC__ >= 5) || (__GNUC__ == 4 && \ (__GNUC_MINOR__ >= 3 || __GNUC_PATCHLEVEL__ >= 2))) && !defined(__GXX_RTTI) # define _LIBCPP_NO_RTTI # elif (defined(_MSC_VER) && !defined(__clang__)) && !defined(_CPPRTTI) # define _LIBCPP_NO_RTTI # endif #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_EXTERNAL) # if defined(__FreeBSD__) || \ defined(__Fuchsia__) || \ defined(__NetBSD__) || \ defined(__linux__) || \ defined(__APPLE__) || \ defined(__CloudABI__) || \ defined(__sun__) # define _LIBCPP_HAS_THREAD_API_PTHREAD # else # error "No thread API" # endif // _LIBCPP_HAS_THREAD_API #endif // _LIBCPP_HAS_NO_THREADS #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_EXTERNAL_THREAD_API 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 // Systems that use capability-based security (FreeBSD with Capsicum, // Nuxi CloudABI) may only provide local filesystem access (using *at()). // Functions like open(), rename(), unlink() and stat() should not be // used, as they attempt to access the global filesystem namespace. #ifdef __CloudABI__ #define _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE #endif // CloudABI is intended for running networked services. Processes do not // have standard input and output channels. #ifdef __CloudABI__ #define _LIBCPP_HAS_NO_STDIN #define _LIBCPP_HAS_NO_STDOUT #endif #if defined(__BIONIC__) || defined(__CloudABI__) || \ defined(_LIBCPP_HAS_MUSL_LIBC) #define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE #endif // Thread-unsafe functions such as strtok() and localtime() // are not available. #ifdef __CloudABI__ #define _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS #endif #if __has_feature(cxx_atomic) || __has_extension(c_atomic) #define _LIBCPP_HAS_C_ATOMIC_IMP #elif _GNUC_VER > 407 #define _LIBCPP_HAS_GCC_ATOMIC_IMP #endif #if (!defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP)) \ || defined(_LIBCPP_HAS_NO_THREADS) #define _LIBCPP_HAS_NO_ATOMIC_HEADER #endif #ifndef _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK #define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK #endif #if (defined(_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS) && defined(__clang__) \ && __has_attribute(acquire_capability)) #define _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS #endif #if __has_attribute(require_constant_initialization) #define _LIBCPP_SAFE_STATIC __attribute__((__require_constant_initialization__)) #else #define _LIBCPP_SAFE_STATIC #endif #if !__has_builtin(__builtin_addressof) && _GNUC_VER < 700 #define _LIBCPP_HAS_NO_BUILTIN_ADDRESSOF #endif #if !defined(_LIBCPP_HAS_NO_OFF_T_FUNCTIONS) #if defined(_WIN32) || defined(_NEWLIB_VERSION) #define _LIBCPP_HAS_NO_OFF_T_FUNCTIONS #endif #endif #endif // __cplusplus #endif // _LIBCPP_CONFIG