1// -*- C++ -*- 2//===--------------------------- __config ---------------------------------===// 3// 4// The LLVM Compiler Infrastructure 5// 6// This file is dual licensed under the MIT and the University of Illinois Open 7// Source Licenses. See LICENSE.TXT for details. 8// 9//===----------------------------------------------------------------------===// 10 11#ifndef _LIBCPP_CONFIG 12#define _LIBCPP_CONFIG 13 14#if defined(_MSC_VER) && !defined(__clang__) 15#define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER 16#endif 17 18#ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER 19#pragma GCC system_header 20#endif 21 22#ifdef __cplusplus 23 24#ifdef __GNUC__ 25#define _GNUC_VER (__GNUC__ * 100 + __GNUC_MINOR__) 26#else 27#define _GNUC_VER 0 28#endif 29 30#define _LIBCPP_VERSION 3900 31 32#ifndef _LIBCPP_ABI_VERSION 33#define _LIBCPP_ABI_VERSION 1 34#endif 35 36#if defined(_LIBCPP_ABI_UNSTABLE) || _LIBCPP_ABI_VERSION >= 2 37// Change short string represention so that string data starts at offset 0, 38// improving its alignment in some cases. 39#define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT 40// Fix deque iterator type in order to support incomplete types. 41#define _LIBCPP_ABI_INCOMPLETE_TYPES_IN_DEQUE 42// Fix undefined behavior in how std::list stores it's linked nodes. 43#define _LIBCPP_ABI_LIST_REMOVE_NODE_POINTER_UB 44#define _LIBCPP_ABI_FORWARD_LIST_REMOVE_NODE_POINTER_UB 45#define _LIBCPP_ABI_FIX_UNORDERED_CONTAINER_SIZE_TYPE 46#define _LIBCPP_ABI_VARIADIC_LOCK_GUARD 47#endif 48 49#define _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_X##_LIBCPP_Y 50#define _LIBCPP_CONCAT(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) 51 52#define _LIBCPP_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION) 53 54 55#ifndef __has_attribute 56#define __has_attribute(__x) 0 57#endif 58#ifndef __has_builtin 59#define __has_builtin(__x) 0 60#endif 61#ifndef __has_extension 62#define __has_extension(__x) 0 63#endif 64#ifndef __has_feature 65#define __has_feature(__x) 0 66#endif 67// '__is_identifier' returns '0' if '__x' is a reserved identifier provided by 68// the compiler and '1' otherwise. 69#ifndef __is_identifier 70#define __is_identifier(__x) 1 71#endif 72 73 74#ifdef __LITTLE_ENDIAN__ 75#if __LITTLE_ENDIAN__ 76#define _LIBCPP_LITTLE_ENDIAN 1 77#define _LIBCPP_BIG_ENDIAN 0 78#endif // __LITTLE_ENDIAN__ 79#endif // __LITTLE_ENDIAN__ 80 81#ifdef __BIG_ENDIAN__ 82#if __BIG_ENDIAN__ 83#define _LIBCPP_LITTLE_ENDIAN 0 84#define _LIBCPP_BIG_ENDIAN 1 85#endif // __BIG_ENDIAN__ 86#endif // __BIG_ENDIAN__ 87 88#ifdef __BYTE_ORDER__ 89#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ 90#define _LIBCPP_LITTLE_ENDIAN 1 91#define _LIBCPP_BIG_ENDIAN 0 92#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 93#define _LIBCPP_LITTLE_ENDIAN 0 94#define _LIBCPP_BIG_ENDIAN 1 95#endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 96#endif // __BYTE_ORDER__ 97 98#ifdef __FreeBSD__ 99# include <sys/endian.h> 100# if _BYTE_ORDER == _LITTLE_ENDIAN 101# define _LIBCPP_LITTLE_ENDIAN 1 102# define _LIBCPP_BIG_ENDIAN 0 103# else // _BYTE_ORDER == _LITTLE_ENDIAN 104# define _LIBCPP_LITTLE_ENDIAN 0 105# define _LIBCPP_BIG_ENDIAN 1 106# endif // _BYTE_ORDER == _LITTLE_ENDIAN 107# ifndef __LONG_LONG_SUPPORTED 108# define _LIBCPP_HAS_NO_LONG_LONG 109# endif // __LONG_LONG_SUPPORTED 110#endif // __FreeBSD__ 111 112#ifdef __NetBSD__ 113# include <sys/endian.h> 114# if _BYTE_ORDER == _LITTLE_ENDIAN 115# define _LIBCPP_LITTLE_ENDIAN 1 116# define _LIBCPP_BIG_ENDIAN 0 117# else // _BYTE_ORDER == _LITTLE_ENDIAN 118# define _LIBCPP_LITTLE_ENDIAN 0 119# define _LIBCPP_BIG_ENDIAN 1 120# endif // _BYTE_ORDER == _LITTLE_ENDIAN 121# define _LIBCPP_HAS_QUICK_EXIT 122#endif // __NetBSD__ 123 124#ifdef _WIN32 125# define _LIBCPP_LITTLE_ENDIAN 1 126# define _LIBCPP_BIG_ENDIAN 0 127// Compiler intrinsics (MSVC) 128#if defined(_MSC_VER) && _MSC_VER >= 1400 129# define _LIBCPP_HAS_IS_BASE_OF 130# endif 131# if defined(_MSC_VER) && !defined(__clang__) 132# define _LIBCPP_MSVC // Using Microsoft Visual C++ compiler 133# define _LIBCPP_TOSTRING2(x) #x 134# define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x) 135# define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x)) 136# endif 137# // If mingw not explicitly detected, assume using MS C runtime only. 138# ifndef __MINGW32__ 139# define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library 140# endif 141#endif // _WIN32 142 143#ifdef __sun__ 144# include <sys/isa_defs.h> 145# ifdef _LITTLE_ENDIAN 146# define _LIBCPP_LITTLE_ENDIAN 1 147# define _LIBCPP_BIG_ENDIAN 0 148# else 149# define _LIBCPP_LITTLE_ENDIAN 0 150# define _LIBCPP_BIG_ENDIAN 1 151# endif 152#endif // __sun__ 153 154#if defined(__CloudABI__) 155 // Certain architectures provide arc4random(). Prefer using 156 // arc4random() over /dev/{u,}random to make it possible to obtain 157 // random data even when using sandboxing mechanisms such as chroots, 158 // Capsicum, etc. 159# define _LIBCPP_USING_ARC4_RANDOM 160#elif defined(__native_client__) 161 // NaCl's sandbox (which PNaCl also runs in) doesn't allow filesystem access, 162 // including accesses to the special files under /dev. C++11's 163 // std::random_device is instead exposed through a NaCl syscall. 164# define _LIBCPP_USING_NACL_RANDOM 165#elif defined(_WIN32) 166# define _LIBCPP_USING_WIN32_RANDOM 167#else 168# define _LIBCPP_USING_DEV_RANDOM 169#endif 170 171#if !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN) 172# include <endian.h> 173# if __BYTE_ORDER == __LITTLE_ENDIAN 174# define _LIBCPP_LITTLE_ENDIAN 1 175# define _LIBCPP_BIG_ENDIAN 0 176# elif __BYTE_ORDER == __BIG_ENDIAN 177# define _LIBCPP_LITTLE_ENDIAN 0 178# define _LIBCPP_BIG_ENDIAN 1 179# else // __BYTE_ORDER == __BIG_ENDIAN 180# error unable to determine endian 181# endif 182#endif // !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN) 183 184#if __has_attribute(__no_sanitize__) 185#define _LIBCPP_NO_CFI __attribute__((__no_sanitize__("cfi"))) 186#else 187#define _LIBCPP_NO_CFI 188#endif 189 190#ifdef _WIN32 191 192// only really useful for a DLL 193#ifdef _LIBCPP_DLL // this should be a compiler builtin define ideally... 194# ifdef cxx_EXPORTS 195# define _LIBCPP_HIDDEN 196# define _LIBCPP_FUNC_VIS __declspec(dllexport) 197# define _LIBCPP_TYPE_VIS __declspec(dllexport) 198# else 199# define _LIBCPP_HIDDEN 200# define _LIBCPP_FUNC_VIS __declspec(dllimport) 201# define _LIBCPP_TYPE_VIS __declspec(dllimport) 202# endif 203#else 204# define _LIBCPP_HIDDEN 205# define _LIBCPP_FUNC_VIS 206# define _LIBCPP_TYPE_VIS 207#endif 208 209#define _LIBCPP_TYPE_VIS_ONLY 210#define _LIBCPP_FUNC_VIS_ONLY 211 212#ifndef _LIBCPP_INLINE_VISIBILITY 213# ifdef _LIBCPP_MSVC 214# define _LIBCPP_INLINE_VISIBILITY __forceinline 215# else // MinGW GCC and Clang 216# define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__)) 217# endif 218#endif 219 220#ifndef _LIBCPP_EXCEPTION_ABI 221#define _LIBCPP_EXCEPTION_ABI _LIBCPP_TYPE_VIS 222#endif 223 224#ifndef _LIBCPP_ALWAYS_INLINE 225# ifdef _LIBCPP_MSVC 226# define _LIBCPP_ALWAYS_INLINE __forceinline 227# endif 228#endif 229 230#endif // _WIN32 231 232#ifndef _LIBCPP_HIDDEN 233#define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden"))) 234#endif 235 236#ifndef _LIBCPP_FUNC_VIS 237#define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default"))) 238#endif 239 240#ifndef _LIBCPP_TYPE_VIS 241# if __has_attribute(__type_visibility__) 242# define _LIBCPP_TYPE_VIS __attribute__ ((__type_visibility__("default"))) 243# else 244# define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default"))) 245# endif 246#endif 247 248#ifndef _LIBCPP_PREFERRED_OVERLOAD 249# if __has_attribute(__enable_if__) 250# define _LIBCPP_PREFERRED_OVERLOAD __attribute__ ((__enable_if__(true, ""))) 251# endif 252#endif 253 254#ifndef _LIBCPP_TYPE_VIS_ONLY 255# define _LIBCPP_TYPE_VIS_ONLY _LIBCPP_TYPE_VIS 256#endif 257 258#ifndef _LIBCPP_FUNC_VIS_ONLY 259# define _LIBCPP_FUNC_VIS_ONLY _LIBCPP_FUNC_VIS 260#endif 261 262#ifndef _LIBCPP_INLINE_VISIBILITY 263#define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__)) 264#endif 265 266#ifndef _LIBCPP_EXCEPTION_ABI 267#define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default"))) 268#endif 269 270#ifndef _LIBCPP_ALWAYS_INLINE 271#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__visibility__("hidden"), __always_inline__)) 272#endif 273 274#if defined(__clang__) 275 276// _LIBCPP_ALTERNATE_STRING_LAYOUT is an old name for 277// _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT left here for backward compatibility. 278#if (defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && \ 279 !defined(__arm__)) || \ 280 defined(_LIBCPP_ALTERNATE_STRING_LAYOUT) 281#define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT 282#endif 283 284#if __has_feature(cxx_alignas) 285# define _ALIGNAS_TYPE(x) alignas(x) 286# define _ALIGNAS(x) alignas(x) 287#else 288# define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) 289# define _ALIGNAS(x) __attribute__((__aligned__(x))) 290#endif 291 292#if !__has_feature(cxx_alias_templates) 293#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES 294#endif 295 296#if __cplusplus < 201103L 297typedef __char16_t char16_t; 298typedef __char32_t char32_t; 299#endif 300 301#if !(__has_feature(cxx_exceptions)) && !defined(_LIBCPP_NO_EXCEPTIONS) 302#define _LIBCPP_NO_EXCEPTIONS 303#endif 304 305#if !(__has_feature(cxx_rtti)) 306#define _LIBCPP_NO_RTTI 307#endif 308 309#if !(__has_feature(cxx_strong_enums)) 310#define _LIBCPP_HAS_NO_STRONG_ENUMS 311#endif 312 313#if !(__has_feature(cxx_decltype)) 314#define _LIBCPP_HAS_NO_DECLTYPE 315#endif 316 317#if __has_feature(cxx_attributes) 318# define _LIBCPP_NORETURN [[noreturn]] 319#else 320# define _LIBCPP_NORETURN __attribute__ ((noreturn)) 321#endif 322 323#if !(__has_feature(cxx_default_function_template_args)) 324#define _LIBCPP_HAS_NO_DEFAULT_FUNCTION_TEMPLATE_ARGS 325#endif 326 327#if !(__has_feature(cxx_defaulted_functions)) 328#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 329#endif // !(__has_feature(cxx_defaulted_functions)) 330 331#if !(__has_feature(cxx_deleted_functions)) 332#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS 333#endif // !(__has_feature(cxx_deleted_functions)) 334 335#if !(__has_feature(cxx_lambdas)) 336#define _LIBCPP_HAS_NO_LAMBDAS 337#endif 338 339#if !(__has_feature(cxx_nullptr)) 340#define _LIBCPP_HAS_NO_NULLPTR 341#endif 342 343#if !(__has_feature(cxx_rvalue_references)) 344#define _LIBCPP_HAS_NO_RVALUE_REFERENCES 345#endif 346 347#if !(__has_feature(cxx_static_assert)) 348#define _LIBCPP_HAS_NO_STATIC_ASSERT 349#endif 350 351#if !(__has_feature(cxx_auto_type)) 352#define _LIBCPP_HAS_NO_AUTO_TYPE 353#endif 354 355#if !(__has_feature(cxx_access_control_sfinae)) || !__has_feature(cxx_trailing_return) 356#define _LIBCPP_HAS_NO_ADVANCED_SFINAE 357#endif 358 359#if !(__has_feature(cxx_variadic_templates)) 360#define _LIBCPP_HAS_NO_VARIADICS 361#endif 362 363#if !(__has_feature(cxx_trailing_return)) 364#define _LIBCPP_HAS_NO_TRAILING_RETURN 365#endif 366 367#if !(__has_feature(cxx_generalized_initializers)) 368#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 369#endif 370 371#if __has_feature(is_base_of) 372# define _LIBCPP_HAS_IS_BASE_OF 373#endif 374 375#if __has_feature(is_final) 376# define _LIBCPP_HAS_IS_FINAL 377#endif 378 379// Objective-C++ features (opt-in) 380#if __has_feature(objc_arc) 381#define _LIBCPP_HAS_OBJC_ARC 382#endif 383 384#if __has_feature(objc_arc_weak) 385#define _LIBCPP_HAS_OBJC_ARC_WEAK 386#define _LIBCPP_HAS_NO_STRONG_ENUMS 387#endif 388 389#if !(__has_feature(cxx_constexpr)) 390#define _LIBCPP_HAS_NO_CONSTEXPR 391#endif 392 393#if !(__has_feature(cxx_relaxed_constexpr)) 394#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR 395#endif 396 397#if !(__has_feature(cxx_variable_templates)) 398#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES 399#endif 400 401#if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L 402#if defined(__FreeBSD__) 403#define _LIBCPP_HAS_QUICK_EXIT 404#define _LIBCPP_HAS_C11_FEATURES 405#elif defined(__ANDROID__) 406#define _LIBCPP_HAS_QUICK_EXIT 407#elif defined(__linux__) 408#if !defined(_LIBCPP_HAS_MUSL_LIBC) 409# include <features.h> 410#if __GLIBC_PREREQ(2, 15) 411#define _LIBCPP_HAS_QUICK_EXIT 412#endif 413#if __GLIBC_PREREQ(2, 17) 414#define _LIBCPP_HAS_C11_FEATURES 415#endif 416#else // defined(_LIBCPP_HAS_MUSL_LIBC) 417#define _LIBCPP_HAS_QUICK_EXIT 418#define _LIBCPP_HAS_C11_FEATURES 419#endif 420#endif // __linux__ 421#endif 422 423#if !(__has_feature(cxx_noexcept)) 424#define _LIBCPP_HAS_NO_NOEXCEPT 425#endif 426 427#if __has_feature(underlying_type) 428# define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T) 429#endif 430 431#if __has_feature(is_literal) 432# define _LIBCPP_IS_LITERAL(T) __is_literal(T) 433#endif 434 435// Inline namespaces are available in Clang regardless of C++ dialect. 436#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE { 437#define _LIBCPP_END_NAMESPACE_STD } } 438#define _VSTD std::_LIBCPP_NAMESPACE 439 440namespace std { 441 inline namespace _LIBCPP_NAMESPACE { 442 } 443} 444 445#if !defined(_LIBCPP_HAS_NO_ASAN) && !__has_feature(address_sanitizer) 446#define _LIBCPP_HAS_NO_ASAN 447#endif 448 449// Allow for build-time disabling of unsigned integer sanitization 450#if !defined(_LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK) && __has_attribute(no_sanitize) 451#define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute__((__no_sanitize__("unsigned-integer-overflow"))) 452#endif 453 454#elif defined(__GNUC__) 455 456#define _ALIGNAS(x) __attribute__((__aligned__(x))) 457#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) 458 459#define _LIBCPP_NORETURN __attribute__((noreturn)) 460 461#if _GNUC_VER >= 407 462#define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T) 463#define _LIBCPP_IS_LITERAL(T) __is_literal_type(T) 464#define _LIBCPP_HAS_IS_FINAL 465#endif 466 467#if defined(__GNUC__) && _GNUC_VER >= 403 468# define _LIBCPP_HAS_IS_BASE_OF 469#endif 470 471#if !__EXCEPTIONS 472#define _LIBCPP_NO_EXCEPTIONS 473#endif 474 475// constexpr was added to GCC in 4.6. 476#if _GNUC_VER < 406 477#define _LIBCPP_HAS_NO_CONSTEXPR 478// Can only use constexpr in c++11 mode. 479#elif !defined(__GXX_EXPERIMENTAL_CXX0X__) && __cplusplus < 201103L 480#define _LIBCPP_HAS_NO_CONSTEXPR 481#endif 482 483// Determine if GCC supports relaxed constexpr 484#if !defined(__cpp_constexpr) || __cpp_constexpr < 201304L 485#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR 486#endif 487 488// GCC 5 will support variable templates 489#if !defined(__cpp_variable_templates) || __cpp_variable_templates < 201304L 490#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES 491#endif 492 493#ifndef __GXX_EXPERIMENTAL_CXX0X__ 494 495#define _LIBCPP_HAS_NO_ADVANCED_SFINAE 496#define _LIBCPP_HAS_NO_DECLTYPE 497#define _LIBCPP_HAS_NO_DEFAULT_FUNCTION_TEMPLATE_ARGS 498#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 499#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS 500#define _LIBCPP_HAS_NO_NULLPTR 501#define _LIBCPP_HAS_NO_STATIC_ASSERT 502#define _LIBCPP_HAS_NO_UNICODE_CHARS 503#define _LIBCPP_HAS_NO_VARIADICS 504#define _LIBCPP_HAS_NO_RVALUE_REFERENCES 505#define _LIBCPP_HAS_NO_STRONG_ENUMS 506#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES 507#define _LIBCPP_HAS_NO_NOEXCEPT 508 509#else // __GXX_EXPERIMENTAL_CXX0X__ 510 511#if _GNUC_VER < 403 512#define _LIBCPP_HAS_NO_DEFAULT_FUNCTION_TEMPLATE_ARGS 513#define _LIBCPP_HAS_NO_RVALUE_REFERENCES 514#define _LIBCPP_HAS_NO_STATIC_ASSERT 515#endif 516 517 518#if _GNUC_VER < 404 519#define _LIBCPP_HAS_NO_DECLTYPE 520#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS 521#define _LIBCPP_HAS_NO_TRAILING_RETURN 522#define _LIBCPP_HAS_NO_UNICODE_CHARS 523#define _LIBCPP_HAS_NO_VARIADICS 524#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 525#endif // _GNUC_VER < 404 526 527#if _GNUC_VER < 406 528#define _LIBCPP_HAS_NO_NOEXCEPT 529#define _LIBCPP_HAS_NO_NULLPTR 530#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES 531#endif 532 533#if _GNUC_VER < 407 534#define _LIBCPP_HAS_NO_ADVANCED_SFINAE 535#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 536#endif 537 538#endif // __GXX_EXPERIMENTAL_CXX0X__ 539 540#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { namespace _LIBCPP_NAMESPACE { 541#define _LIBCPP_END_NAMESPACE_STD } } 542#define _VSTD std::_LIBCPP_NAMESPACE 543 544namespace std { 545namespace _LIBCPP_NAMESPACE { 546} 547using namespace _LIBCPP_NAMESPACE __attribute__((__strong__)); 548} 549 550#if !defined(_LIBCPP_HAS_NO_ASAN) && !defined(__SANITIZE_ADDRESS__) 551#define _LIBCPP_HAS_NO_ASAN 552#endif 553 554#elif defined(_LIBCPP_MSVC) 555 556#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES 557#define _LIBCPP_HAS_NO_CONSTEXPR 558#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR 559#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES 560#define _LIBCPP_HAS_NO_UNICODE_CHARS 561#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS 562#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 563#define _LIBCPP_HAS_NO_NOEXCEPT 564#define __alignof__ __alignof 565#define _LIBCPP_NORETURN __declspec(noreturn) 566#define _ALIGNAS(x) __declspec(align(x)) 567#define _LIBCPP_HAS_NO_VARIADICS 568 569 570 571#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { 572#define _LIBCPP_END_NAMESPACE_STD } 573#define _VSTD std 574 575# define _LIBCPP_WEAK 576namespace std { 577} 578 579#define _LIBCPP_HAS_NO_ASAN 580 581#elif defined(__IBMCPP__) 582 583#define _ALIGNAS(x) __attribute__((__aligned__(x))) 584#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) 585#define _ATTRIBUTE(x) __attribute__((x)) 586#define _LIBCPP_NORETURN __attribute__((noreturn)) 587 588#define _LIBCPP_HAS_NO_DEFAULT_FUNCTION_TEMPLATE_ARGS 589#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES 590#define _LIBCPP_HAS_NO_ADVANCED_SFINAE 591#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 592#define _LIBCPP_HAS_NO_NOEXCEPT 593#define _LIBCPP_HAS_NO_NULLPTR 594#define _LIBCPP_HAS_NO_UNICODE_CHARS 595#define _LIBCPP_HAS_IS_BASE_OF 596#define _LIBCPP_HAS_IS_FINAL 597#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES 598 599#if defined(_AIX) 600#define __MULTILOCALE_API 601#endif 602 603#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE { 604#define _LIBCPP_END_NAMESPACE_STD } } 605#define _VSTD std::_LIBCPP_NAMESPACE 606 607namespace std { 608 inline namespace _LIBCPP_NAMESPACE { 609 } 610} 611 612#define _LIBCPP_HAS_NO_ASAN 613 614#endif // __clang__ || __GNUC__ || _MSC_VER || __IBMCPP__ 615 616#ifndef _LIBCPP_HAS_NO_NOEXCEPT 617# define _NOEXCEPT noexcept 618# define _NOEXCEPT_(x) noexcept(x) 619#else 620# define _NOEXCEPT throw() 621# define _NOEXCEPT_(x) 622#endif 623 624#ifdef _LIBCPP_HAS_NO_UNICODE_CHARS 625typedef unsigned short char16_t; 626typedef unsigned int char32_t; 627#endif // _LIBCPP_HAS_NO_UNICODE_CHARS 628 629#ifndef __SIZEOF_INT128__ 630#define _LIBCPP_HAS_NO_INT128 631#endif 632 633#ifdef _LIBCPP_HAS_NO_STATIC_ASSERT 634 635extern "C++" { 636template <bool> struct __static_assert_test; 637template <> struct __static_assert_test<true> {}; 638template <unsigned> struct __static_assert_check {}; 639} 640#define static_assert(__b, __m) \ 641 typedef __static_assert_check<sizeof(__static_assert_test<(__b)>)> \ 642 _LIBCPP_CONCAT(__t, __LINE__) 643 644#endif // _LIBCPP_HAS_NO_STATIC_ASSERT 645 646#ifdef _LIBCPP_HAS_NO_DECLTYPE 647// GCC 4.6 provides __decltype in all standard modes. 648#if !__is_identifier(__decltype) || _GNUC_VER >= 406 649# define decltype(__x) __decltype(__x) 650#else 651# define decltype(__x) __typeof__(__x) 652#endif 653#endif 654 655#ifdef _LIBCPP_HAS_NO_CONSTEXPR 656#define _LIBCPP_CONSTEXPR 657#else 658#define _LIBCPP_CONSTEXPR constexpr 659#endif 660 661#ifdef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 662#define _LIBCPP_DEFAULT {} 663#else 664#define _LIBCPP_DEFAULT = default; 665#endif 666 667#ifdef _LIBCPP_HAS_NO_DELETED_FUNCTIONS 668#define _LIBCPP_EQUAL_DELETE 669#else 670#define _LIBCPP_EQUAL_DELETE = delete 671#endif 672 673#ifdef __GNUC__ 674#define _NOALIAS __attribute__((__malloc__)) 675#else 676#define _NOALIAS 677#endif 678 679#if __has_feature(cxx_explicit_conversions) || defined(__IBMCPP__) 680# define _LIBCPP_EXPLICIT explicit 681#else 682# define _LIBCPP_EXPLICIT 683#endif 684 685#if !__has_builtin(__builtin_operator_new) || !__has_builtin(__builtin_operator_delete) 686# define _LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE 687#endif 688 689#ifdef _LIBCPP_HAS_NO_STRONG_ENUMS 690#define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx 691#define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \ 692 __lx __v_; \ 693 _LIBCPP_ALWAYS_INLINE x(__lx __v) : __v_(__v) {} \ 694 _LIBCPP_ALWAYS_INLINE explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \ 695 _LIBCPP_ALWAYS_INLINE operator int() const {return __v_;} \ 696 }; 697#else // _LIBCPP_HAS_NO_STRONG_ENUMS 698#define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_TYPE_VIS x 699#define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) 700#endif // _LIBCPP_HAS_NO_STRONG_ENUMS 701 702#ifdef _LIBCPP_DEBUG 703# if _LIBCPP_DEBUG == 0 704# define _LIBCPP_DEBUG_LEVEL 1 705# elif _LIBCPP_DEBUG == 1 706# define _LIBCPP_DEBUG_LEVEL 2 707# else 708# error Supported values for _LIBCPP_DEBUG are 0 and 1 709# endif 710# define _LIBCPP_EXTERN_TEMPLATE(...) 711#endif 712 713#ifndef _LIBCPP_EXTERN_TEMPLATE 714#define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__; 715#endif 716 717#ifndef _LIBCPP_EXTERN_TEMPLATE2 718#define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__; 719#endif 720 721#if defined(__APPLE__) && defined(__LP64__) && !defined(__x86_64__) 722#define _LIBCPP_NONUNIQUE_RTTI_BIT (1ULL << 63) 723#endif 724 725#if defined(__APPLE__) || defined(__FreeBSD__) || defined(_WIN32) || \ 726 defined(__sun__) || defined(__NetBSD__) || defined(__CloudABI__) 727#define _LIBCPP_LOCALE__L_EXTENSIONS 1 728#endif 729 730#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) 731// Most unix variants have catopen. These are the specific ones that don't. 732#if !defined(_WIN32) && !defined(__ANDROID__) && !defined(_NEWLIB_VERSION) 733#define _LIBCPP_HAS_CATOPEN 1 734#endif 735#endif 736 737#ifdef __FreeBSD__ 738#define _DECLARE_C99_LDBL_MATH 1 739#endif 740 741#if defined(__APPLE__) || defined(__FreeBSD__) 742#define _LIBCPP_HAS_DEFAULTRUNELOCALE 743#endif 744 745#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__) 746#define _LIBCPP_WCTYPE_IS_MASK 747#endif 748 749#ifndef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR 750# define _LIBCPP_TRIVIAL_PAIR_COPY_CTOR 1 751#endif 752 753#ifndef _LIBCPP_STD_VER 754# if __cplusplus <= 201103L 755# define _LIBCPP_STD_VER 11 756# elif __cplusplus <= 201402L 757# define _LIBCPP_STD_VER 14 758# else 759# define _LIBCPP_STD_VER 16 // current year, or date of c++17 ratification 760# endif 761#endif // _LIBCPP_STD_VER 762 763#if _LIBCPP_STD_VER > 11 764#define _LIBCPP_DEPRECATED [[deprecated]] 765#else 766#define _LIBCPP_DEPRECATED 767#endif 768 769#if _LIBCPP_STD_VER <= 11 770#define _LIBCPP_EXPLICIT_AFTER_CXX11 771#define _LIBCPP_DEPRECATED_AFTER_CXX11 772#else 773#define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit 774#define _LIBCPP_DEPRECATED_AFTER_CXX11 [[deprecated]] 775#endif 776 777#if _LIBCPP_STD_VER > 11 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) 778#define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr 779#else 780#define _LIBCPP_CONSTEXPR_AFTER_CXX11 781#endif 782 783#if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) 784#define _LIBCPP_CONSTEXPR_AFTER_CXX14 constexpr 785#else 786#define _LIBCPP_CONSTEXPR_AFTER_CXX14 787#endif 788 789#ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES 790# define _LIBCPP_EXPLICIT_MOVE(x) _VSTD::move(x) 791#else 792# define _LIBCPP_EXPLICIT_MOVE(x) (x) 793#endif 794 795#ifndef _LIBCPP_HAS_NO_ASAN 796extern "C" void __sanitizer_annotate_contiguous_container( 797 const void *, const void *, const void *, const void *); 798#endif 799 800// Try to find out if RTTI is disabled. 801// g++ and cl.exe have RTTI on by default and define a macro when it is. 802// g++ only defines the macro in 4.3.2 and onwards. 803#if !defined(_LIBCPP_NO_RTTI) 804# if defined(__GNUC__) && ((__GNUC__ >= 5) || (__GNUC__ == 4 && \ 805 (__GNUC_MINOR__ >= 3 || __GNUC_PATCHLEVEL__ >= 2))) && !defined(__GXX_RTTI) 806# define _LIBCPP_NO_RTTI 807# elif (defined(_MSC_VER) && !defined(__clang__)) && !defined(_CPPRTTI) 808# define _LIBCPP_NO_RTTI 809# endif 810#endif 811 812#ifndef _LIBCPP_WEAK 813# define _LIBCPP_WEAK __attribute__((__weak__)) 814#endif 815 816// Thread API 817#if !defined(_LIBCPP_HAS_NO_THREADS) && !defined(_LIBCPP_HAS_THREAD_API_PTHREAD) 818# if defined(__FreeBSD__) || \ 819 defined(__NetBSD__) || \ 820 defined(__linux__) || \ 821 defined(__APPLE__) || \ 822 defined(__CloudABI__) || \ 823 defined(__sun__) 824# define _LIBCPP_HAS_THREAD_API_PTHREAD 825# else 826# error "No thread API" 827# endif // _LIBCPP_HAS_THREAD_API 828#endif // _LIBCPP_HAS_NO_THREADS 829 830#if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_PTHREAD) 831# error _LIBCPP_HAS_THREAD_API_PTHREAD may only be defined when \ 832 _LIBCPP_HAS_NO_THREADS is not defined. 833#endif 834 835#if defined(_LIBCPP_HAS_NO_MONOTONIC_CLOCK) && !defined(_LIBCPP_HAS_NO_THREADS) 836# error _LIBCPP_HAS_NO_MONOTONIC_CLOCK may only be defined when \ 837 _LIBCPP_HAS_NO_THREADS is defined. 838#endif 839 840// Systems that use capability-based security (FreeBSD with Capsicum, 841// Nuxi CloudABI) may only provide local filesystem access (using *at()). 842// Functions like open(), rename(), unlink() and stat() should not be 843// used, as they attempt to access the global filesystem namespace. 844#ifdef __CloudABI__ 845#define _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE 846#endif 847 848// CloudABI is intended for running networked services. Processes do not 849// have standard input and output channels. 850#ifdef __CloudABI__ 851#define _LIBCPP_HAS_NO_STDIN 852#define _LIBCPP_HAS_NO_STDOUT 853#endif 854 855#if defined(__ANDROID__) || defined(__CloudABI__) || defined(_LIBCPP_HAS_MUSL_LIBC) 856#define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE 857#endif 858 859// Thread-unsafe functions such as strtok(), mbtowc() and localtime() 860// are not available. 861#ifdef __CloudABI__ 862#define _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS 863#endif 864 865#if __has_feature(cxx_atomic) || __has_extension(c_atomic) 866#define _LIBCPP_HAS_C_ATOMIC_IMP 867#elif _GNUC_VER > 407 868#define _LIBCPP_HAS_GCC_ATOMIC_IMP 869#endif 870 871#if (!defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP)) \ 872 || defined(_LIBCPP_HAS_NO_THREADS) 873#define _LIBCPP_HAS_NO_ATOMIC_HEADER 874#endif 875 876#ifndef _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK 877#define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK 878#endif 879 880#if __cplusplus < 201103L 881#define _LIBCPP_CXX03_LANG 882#else 883#if defined(_LIBCPP_HAS_NO_VARIADIC_TEMPLATES) || defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) 884#error Libc++ requires a feature complete C++11 compiler in C++11 or greater. 885#endif 886#endif 887 888#if (defined(_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS) && defined(__clang__) \ 889 && __has_attribute(acquire_capability)) 890#define _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS 891#endif 892 893#endif // __cplusplus 894 895#endif // _LIBCPP_CONFIG 896