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