Coverage Report

Created: 2020-02-25 14:32

/Users/buildslave/jenkins/workspace/coverage/llvm-project/libcxx/include/__config
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// -*- C++ -*-
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//===--------------------------- __config ---------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_CONFIG
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#define _LIBCPP_CONFIG
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#if defined(_MSC_VER) && !defined(__clang__)
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#  if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#    define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
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#  endif
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#endif
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#ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
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#pragma GCC system_header
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#endif
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#ifdef __cplusplus
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#ifdef __GNUC__
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#  define _GNUC_VER (__GNUC__ * 100 + __GNUC_MINOR__)
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// The _GNUC_VER_NEW macro better represents the new GCC versioning scheme
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// introduced in GCC 5.0.
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#  define _GNUC_VER_NEW (_GNUC_VER * 10 + __GNUC_PATCHLEVEL__)
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#else
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#  define _GNUC_VER 0
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#  define _GNUC_VER_NEW 0
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#endif
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#define _LIBCPP_VERSION 11000
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#ifndef _LIBCPP_ABI_VERSION
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#  define _LIBCPP_ABI_VERSION 1
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#endif
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#ifndef __STDC_HOSTED__
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#  define _LIBCPP_FREESTANDING
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#endif
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#ifndef _LIBCPP_STD_VER
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#  if  __cplusplus <= 201103L
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#    define _LIBCPP_STD_VER 11
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#  elif __cplusplus <= 201402L
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#    define _LIBCPP_STD_VER 14
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#  elif __cplusplus <= 201703L
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#    define _LIBCPP_STD_VER 17
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#  else
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#    define _LIBCPP_STD_VER 18  // current year, or date of c++2a ratification
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#  endif
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#endif  // _LIBCPP_STD_VER
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#if defined(__ELF__)
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#  define _LIBCPP_OBJECT_FORMAT_ELF   1
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#elif defined(__MACH__)
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#  define _LIBCPP_OBJECT_FORMAT_MACHO 1
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#elif defined(_WIN32)
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#  define _LIBCPP_OBJECT_FORMAT_COFF  1
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#elif defined(__wasm__)
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#  define _LIBCPP_OBJECT_FORMAT_WASM  1
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#else
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#  error Unknown object file format
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#endif
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#if defined(_LIBCPP_ABI_UNSTABLE) || _LIBCPP_ABI_VERSION >= 2
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// Change short string representation so that string data starts at offset 0,
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// improving its alignment in some cases.
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#  define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
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// Fix deque iterator type in order to support incomplete types.
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#  define _LIBCPP_ABI_INCOMPLETE_TYPES_IN_DEQUE
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// Fix undefined behavior in how std::list stores its linked nodes.
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#  define _LIBCPP_ABI_LIST_REMOVE_NODE_POINTER_UB
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// Fix undefined behavior in  how __tree stores its end and parent nodes.
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#  define _LIBCPP_ABI_TREE_REMOVE_NODE_POINTER_UB
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// Fix undefined behavior in how __hash_table stores its pointer types.
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#  define _LIBCPP_ABI_FIX_UNORDERED_NODE_POINTER_UB
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#  define _LIBCPP_ABI_FORWARD_LIST_REMOVE_NODE_POINTER_UB
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#  define _LIBCPP_ABI_FIX_UNORDERED_CONTAINER_SIZE_TYPE
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// Don't use a nullptr_t simulation type in C++03 instead using C++11 nullptr
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// provided under the alternate keyword __nullptr, which changes the mangling
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// of nullptr_t. This option is ABI incompatible with GCC in C++03 mode.
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#  define _LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR
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// Define the `pointer_safety` enum as a C++11 strongly typed enumeration
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// instead of as a class simulating an enum. If this option is enabled
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// `pointer_safety` and `get_pointer_safety()` will no longer be available
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// in C++03.
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#  define _LIBCPP_ABI_POINTER_SAFETY_ENUM_TYPE
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// Define a key function for `bad_function_call` in the library, to centralize
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// its vtable and typeinfo to libc++ rather than having all other libraries
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// using that class define their own copies.
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#  define _LIBCPP_ABI_BAD_FUNCTION_CALL_KEY_FUNCTION
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// Enable optimized version of __do_get_(un)signed which avoids redundant copies.
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#  define _LIBCPP_ABI_OPTIMIZED_LOCALE_NUM_GET
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// Use the smallest possible integer type to represent the index of the variant.
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// Previously libc++ used "unsigned int" exclusively.
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#  define _LIBCPP_ABI_VARIANT_INDEX_TYPE_OPTIMIZATION
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// Unstable attempt to provide a more optimized std::function
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#  define _LIBCPP_ABI_OPTIMIZED_FUNCTION
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// All the regex constants must be distinct and nonzero.
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#  define _LIBCPP_ABI_REGEX_CONSTANTS_NONZERO
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#elif _LIBCPP_ABI_VERSION == 1
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#  if !defined(_LIBCPP_OBJECT_FORMAT_COFF)
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// Enable compiling copies of now inline methods into the dylib to support
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// applications compiled against older libraries. This is unnecessary with
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// COFF dllexport semantics, since dllexport forces a non-inline definition
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// of inline functions to be emitted anyway. Our own non-inline copy would
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// conflict with the dllexport-emitted copy, so we disable it.
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#    define _LIBCPP_DEPRECATED_ABI_LEGACY_LIBRARY_DEFINITIONS_FOR_INLINE_FUNCTIONS
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#  endif
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// Feature macros for disabling pre ABI v1 features. All of these options
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// are deprecated.
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#  if defined(__FreeBSD__)
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#    define _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR
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#  endif
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#endif
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#ifdef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR
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#error "_LIBCPP_TRIVIAL_PAIR_COPY_CTOR" is no longer supported. \
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       use _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR instead
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#endif
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#define _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_X##_LIBCPP_Y
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#define _LIBCPP_CONCAT(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y)
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#ifndef _LIBCPP_ABI_NAMESPACE
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# define _LIBCPP_ABI_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION)
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#endif
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#if __cplusplus < 201103L
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#define _LIBCPP_CXX03_LANG
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#endif
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#ifndef __has_attribute
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#define __has_attribute(__x) 0
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#endif
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#ifndef __has_builtin
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#define __has_builtin(__x) 0
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#endif
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#ifndef __has_extension
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#define __has_extension(__x) 0
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#endif
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#ifndef __has_feature
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#define __has_feature(__x) 0
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#endif
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#ifndef __has_cpp_attribute
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#define __has_cpp_attribute(__x) 0
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#endif
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// '__is_identifier' returns '0' if '__x' is a reserved identifier provided by
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// the compiler and '1' otherwise.
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#ifndef __is_identifier
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#define __is_identifier(__x) 1
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#endif
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#ifndef __has_declspec_attribute
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#define __has_declspec_attribute(__x) 0
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#endif
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#define __has_keyword(__x) !(__is_identifier(__x))
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#ifndef __has_include
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#define __has_include(...) 0
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#endif
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#if defined(__clang__)
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#  define _LIBCPP_COMPILER_CLANG
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#  ifndef __apple_build_version__
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#    define _LIBCPP_CLANG_VER (__clang_major__ * 100 + __clang_minor__)
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#  endif
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#elif defined(__GNUC__)
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#  define _LIBCPP_COMPILER_GCC
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#elif defined(_MSC_VER)
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#  define _LIBCPP_COMPILER_MSVC
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#elif defined(__IBMCPP__)
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#  define _LIBCPP_COMPILER_IBM
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#endif
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#if defined(_LIBCPP_COMPILER_GCC) && __cplusplus < 201103L
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#error "libc++ does not support using GCC with C++03. Please enable C++11"
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#endif
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// FIXME: ABI detection should be done via compiler builtin macros. This
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// is just a placeholder until Clang implements such macros. For now assume
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// that Windows compilers pretending to be MSVC++ target the Microsoft ABI,
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// and allow the user to explicitly specify the ABI to handle cases where this
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// heuristic falls short.
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#if defined(_LIBCPP_ABI_FORCE_ITANIUM) && defined(_LIBCPP_ABI_FORCE_MICROSOFT)
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#  error "Only one of _LIBCPP_ABI_FORCE_ITANIUM and _LIBCPP_ABI_FORCE_MICROSOFT can be defined"
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#elif defined(_LIBCPP_ABI_FORCE_ITANIUM)
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#  define _LIBCPP_ABI_ITANIUM
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#elif defined(_LIBCPP_ABI_FORCE_MICROSOFT)
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#  define _LIBCPP_ABI_MICROSOFT
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#else
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#  if defined(_WIN32) && defined(_MSC_VER)
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#    define _LIBCPP_ABI_MICROSOFT
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#  else
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#    define _LIBCPP_ABI_ITANIUM
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#  endif
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#endif
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#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_NO_VCRUNTIME)
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# define _LIBCPP_ABI_VCRUNTIME
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#endif
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// Need to detect which libc we're using if we're on Linux.
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#if defined(__linux__)
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#  include <features.h>
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#  if defined(__GLIBC_PREREQ)
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#    define _LIBCPP_GLIBC_PREREQ(a, b) __GLIBC_PREREQ(a, b)
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#  else
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#    define _LIBCPP_GLIBC_PREREQ(a, b) 0
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#  endif // defined(__GLIBC_PREREQ)
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#endif // defined(__linux__)
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#ifdef __LITTLE_ENDIAN__
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#  if __LITTLE_ENDIAN__
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#    define _LIBCPP_LITTLE_ENDIAN
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#  endif  // __LITTLE_ENDIAN__
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#endif  // __LITTLE_ENDIAN__
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#ifdef __BIG_ENDIAN__
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#  if __BIG_ENDIAN__
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#    define _LIBCPP_BIG_ENDIAN
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#  endif  // __BIG_ENDIAN__
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#endif  // __BIG_ENDIAN__
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#ifdef __BYTE_ORDER__
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#  if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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#    define _LIBCPP_LITTLE_ENDIAN
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#  elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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#    define _LIBCPP_BIG_ENDIAN
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#  endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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#endif // __BYTE_ORDER__
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#ifdef __FreeBSD__
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#  include <sys/endian.h>
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#  include <osreldate.h>
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#  if _BYTE_ORDER == _LITTLE_ENDIAN
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#    define _LIBCPP_LITTLE_ENDIAN
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#  else  // _BYTE_ORDER == _LITTLE_ENDIAN
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#    define _LIBCPP_BIG_ENDIAN
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#  endif  // _BYTE_ORDER == _LITTLE_ENDIAN
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#  ifndef __LONG_LONG_SUPPORTED
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#    define _LIBCPP_HAS_NO_LONG_LONG
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#  endif  // __LONG_LONG_SUPPORTED
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#endif  // __FreeBSD__
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#ifdef __NetBSD__
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#  include <sys/endian.h>
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#  if _BYTE_ORDER == _LITTLE_ENDIAN
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#    define _LIBCPP_LITTLE_ENDIAN
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#  else  // _BYTE_ORDER == _LITTLE_ENDIAN
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#    define _LIBCPP_BIG_ENDIAN
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#  endif  // _BYTE_ORDER == _LITTLE_ENDIAN
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#endif  // __NetBSD__
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#if defined(_WIN32)
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#  define _LIBCPP_WIN32API
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#  define _LIBCPP_LITTLE_ENDIAN
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#  define _LIBCPP_SHORT_WCHAR   1
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// Both MinGW and native MSVC provide a "MSVC"-like environment
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#  define _LIBCPP_MSVCRT_LIKE
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// If mingw not explicitly detected, assume using MS C runtime only if
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// a MS compatibility version is specified.
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#  if defined(_MSC_VER) && !defined(__MINGW32__)
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#    define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library
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#  endif
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#  if (defined(_M_AMD64) || defined(__x86_64__)) || (defined(_M_ARM) || defined(__arm__))
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#    define _LIBCPP_HAS_BITSCAN64
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#  endif
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#  define _LIBCPP_HAS_OPEN_WITH_WCHAR
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#  if defined(_LIBCPP_MSVCRT)
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#    define _LIBCPP_HAS_QUICK_EXIT
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#  endif
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// Some CRT APIs are unavailable to store apps
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#  if defined(WINAPI_FAMILY)
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#    include <winapifamily.h>
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#    if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) &&                  \
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        (!defined(WINAPI_PARTITION_SYSTEM) ||                                  \
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         !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_SYSTEM))
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#      define _LIBCPP_WINDOWS_STORE_APP
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#    endif
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#  endif
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#endif // defined(_WIN32)
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#ifdef __sun__
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#  include <sys/isa_defs.h>
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#  ifdef _LITTLE_ENDIAN
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#    define _LIBCPP_LITTLE_ENDIAN
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#  else
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#    define _LIBCPP_BIG_ENDIAN
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#  endif
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#endif // __sun__
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#if defined(__CloudABI__)
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   // Certain architectures provide arc4random(). Prefer using
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   // arc4random() over /dev/{u,}random to make it possible to obtain
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   // random data even when using sandboxing mechanisms such as chroots,
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   // Capsicum, etc.
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#  define _LIBCPP_USING_ARC4_RANDOM
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#elif defined(__Fuchsia__) || defined(__wasi__)
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#  define _LIBCPP_USING_GETENTROPY
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#elif defined(__native_client__)
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   // NaCl's sandbox (which PNaCl also runs in) doesn't allow filesystem access,
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   // including accesses to the special files under /dev. C++11's
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   // std::random_device is instead exposed through a NaCl syscall.
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#  define _LIBCPP_USING_NACL_RANDOM
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#elif defined(_LIBCPP_WIN32API)
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#  define _LIBCPP_USING_WIN32_RANDOM
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#else
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#  define _LIBCPP_USING_DEV_RANDOM
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#endif
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#if !defined(_LIBCPP_LITTLE_ENDIAN) && !defined(_LIBCPP_BIG_ENDIAN)
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#  include <endian.h>
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#  if __BYTE_ORDER == __LITTLE_ENDIAN
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#    define _LIBCPP_LITTLE_ENDIAN
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#  elif __BYTE_ORDER == __BIG_ENDIAN
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#    define _LIBCPP_BIG_ENDIAN
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#  else  // __BYTE_ORDER == __BIG_ENDIAN
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#    error unable to determine endian
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#  endif
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#endif  // !defined(_LIBCPP_LITTLE_ENDIAN) && !defined(_LIBCPP_BIG_ENDIAN)
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#if __has_attribute(__no_sanitize__) && !defined(_LIBCPP_COMPILER_GCC)
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#  define _LIBCPP_NO_CFI __attribute__((__no_sanitize__("cfi")))
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#else
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#  define _LIBCPP_NO_CFI
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#endif
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#if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L
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#  if defined(__FreeBSD__)
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#    define _LIBCPP_HAS_ALIGNED_ALLOC
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#    define _LIBCPP_HAS_QUICK_EXIT
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#    define _LIBCPP_HAS_C11_FEATURES
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#    if __FreeBSD_version >= 1300064 || \
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       (__FreeBSD_version >= 1201504 && __FreeBSD_version < 1300000)
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#      define _LIBCPP_HAS_TIMESPEC_GET
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#    endif
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#  elif defined(__BIONIC__)
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#    define _LIBCPP_HAS_C11_FEATURES
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#    if __ANDROID_API__ >= 21
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#      define _LIBCPP_HAS_QUICK_EXIT
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#    endif
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#    if __ANDROID_API__ >= 28
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#      define _LIBCPP_HAS_ALIGNED_ALLOC
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#    endif
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#    if __ANDROID_API__ >= 29
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#      define _LIBCPP_HAS_TIMESPEC_GET
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#    endif
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#  elif defined(__Fuchsia__) || defined(__wasi__) || defined(__NetBSD__)
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#    define _LIBCPP_HAS_ALIGNED_ALLOC
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#    define _LIBCPP_HAS_QUICK_EXIT
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#    define _LIBCPP_HAS_TIMESPEC_GET
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#    define _LIBCPP_HAS_C11_FEATURES
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#  elif defined(__linux__)
366
#    if !defined(_LIBCPP_HAS_MUSL_LIBC)
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#      if _LIBCPP_GLIBC_PREREQ(2, 15) || defined(__BIONIC__)
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#        define _LIBCPP_HAS_QUICK_EXIT
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#      endif
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#      if _LIBCPP_GLIBC_PREREQ(2, 17)
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#        define _LIBCPP_HAS_ALIGNED_ALLOC
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#        define _LIBCPP_HAS_C11_FEATURES
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#        define _LIBCPP_HAS_TIMESPEC_GET
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#      endif
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#    else // defined(_LIBCPP_HAS_MUSL_LIBC)
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#      define _LIBCPP_HAS_ALIGNED_ALLOC
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#      define _LIBCPP_HAS_QUICK_EXIT
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#      define _LIBCPP_HAS_TIMESPEC_GET
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#      define _LIBCPP_HAS_C11_FEATURES
380
#    endif
381
#  endif // __linux__
382
#endif
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#ifndef _LIBCPP_CXX03_LANG
385
479M
# define _LIBCPP_ALIGNOF(_Tp) alignof(_Tp)
386
#elif defined(_LIBCPP_COMPILER_CLANG)
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# define _LIBCPP_ALIGNOF(_Tp) _Alignof(_Tp)
388
#else
389
// This definition is potentially buggy, but it's only taken with GCC in C++03,
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// which we barely support anyway. See llvm.org/PR39713
391
# define _LIBCPP_ALIGNOF(_Tp) __alignof(_Tp)
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#endif
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#define _LIBCPP_PREFERRED_ALIGNOF(_Tp) __alignof(_Tp)
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#if defined(_LIBCPP_COMPILER_CLANG)
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// _LIBCPP_ALTERNATE_STRING_LAYOUT is an old name for
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// _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT left here for backward compatibility.
400
#if (defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) &&       \
401
     (!defined(__arm__) || __ARM_ARCH_7K__ >= 2)) ||                           \
402
    defined(_LIBCPP_ALTERNATE_STRING_LAYOUT)
403
#define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
404
#endif
405
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#if __has_feature(cxx_alignas)
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#  define _ALIGNAS_TYPE(x) alignas(x)
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#  define _ALIGNAS(x) alignas(x)
409
#else
410
#  define _ALIGNAS_TYPE(x) __attribute__((__aligned__(_LIBCPP_ALIGNOF(x))))
411
#  define _ALIGNAS(x) __attribute__((__aligned__(x)))
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#endif
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#if __cplusplus < 201103L
415
typedef __char16_t char16_t;
416
typedef __char32_t char32_t;
417
#endif
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#if !(__has_feature(cxx_exceptions)) && !defined(_LIBCPP_NO_EXCEPTIONS)
420
#define _LIBCPP_NO_EXCEPTIONS
421
#endif
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#if !(__has_feature(cxx_rtti)) && !defined(_LIBCPP_NO_RTTI)
424
#define _LIBCPP_NO_RTTI
425
#endif
426
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#if !(__has_feature(cxx_strong_enums))
428
#define _LIBCPP_HAS_NO_STRONG_ENUMS
429
#endif
430
431
#if __has_feature(cxx_attributes)
432
#  define _LIBCPP_NORETURN [[noreturn]]
433
#else
434
#  define _LIBCPP_NORETURN __attribute__ ((noreturn))
435
#endif
436
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#if !(__has_feature(cxx_lambdas))
438
#define _LIBCPP_HAS_NO_LAMBDAS
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#endif
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#if !(__has_feature(cxx_nullptr))
442
#  if (__has_extension(cxx_nullptr) || __has_keyword(__nullptr)) && defined(_LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR)
443
#    define nullptr __nullptr
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#  else
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#    define _LIBCPP_HAS_NO_NULLPTR
446
#  endif
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#endif
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#if !(__has_feature(cxx_rvalue_references))
450
#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
451
#endif
452
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#if !(__has_feature(cxx_auto_type))
454
#define _LIBCPP_HAS_NO_AUTO_TYPE
455
#endif
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#if !(__has_feature(cxx_variadic_templates))
458
#define _LIBCPP_HAS_NO_VARIADICS
459
#endif
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461
// Objective-C++ features (opt-in)
462
#if __has_feature(objc_arc)
463
#define _LIBCPP_HAS_OBJC_ARC
464
#endif
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#if __has_feature(objc_arc_weak)
467
#define _LIBCPP_HAS_OBJC_ARC_WEAK
468
#endif
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#if __has_extension(blocks)
471
#  define _LIBCPP_HAS_EXTENSION_BLOCKS
472
#endif
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#if !(__has_feature(cxx_relaxed_constexpr))
475
#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
476
#endif
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#if !(__has_feature(cxx_variable_templates))
479
#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
480
#endif
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#if !(__has_feature(cxx_noexcept))
483
#define _LIBCPP_HAS_NO_NOEXCEPT
484
#endif
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#if !defined(_LIBCPP_HAS_NO_ASAN) && !__has_feature(address_sanitizer)
487
#define _LIBCPP_HAS_NO_ASAN
488
#endif
489
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// Allow for build-time disabling of unsigned integer sanitization
491
#if !defined(_LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK) && __has_attribute(no_sanitize)
492
#define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute__((__no_sanitize__("unsigned-integer-overflow")))
493
#endif
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#if __has_builtin(__builtin_launder)
496
#define _LIBCPP_COMPILER_HAS_BUILTIN_LAUNDER
497
#endif
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499
#if !__is_identifier(__has_unique_object_representations)
500
#define _LIBCPP_HAS_UNIQUE_OBJECT_REPRESENTATIONS
501
#endif
502
503
#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__))
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// Literal operators ""d and ""y are supported starting with LLVM Clang 8 and AppleClang 10.0.1
506
#if (defined(_LIBCPP_CLANG_VER) && _LIBCPP_CLANG_VER < 800) || \
507
    (defined(__apple_build_version__) && __apple_build_version__ < 10010000)
508
#define _LIBCPP_HAS_NO_CXX20_CHRONO_LITERALS
509
#endif
510
511
#define _LIBCPP_DISABLE_EXTENSION_WARNING __extension__
512
513
#elif defined(_LIBCPP_COMPILER_GCC)
514
515
#define _ALIGNAS(x) __attribute__((__aligned__(x)))
516
#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(_LIBCPP_ALIGNOF(x))))
517
518
#define _LIBCPP_NORETURN __attribute__((noreturn))
519
520
#if !__EXCEPTIONS && !defined(_LIBCPP_NO_EXCEPTIONS)
521
#define _LIBCPP_NO_EXCEPTIONS
522
#endif
523
524
// Determine if GCC supports relaxed constexpr
525
#if !defined(__cpp_constexpr) || __cpp_constexpr < 201304L
526
#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
527
#endif
528
529
// GCC 5 supports variable templates
530
#if !defined(__cpp_variable_templates) || __cpp_variable_templates < 201304L
531
#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
532
#endif
533
534
#if !defined(_LIBCPP_HAS_NO_ASAN) && !defined(__SANITIZE_ADDRESS__)
535
#define _LIBCPP_HAS_NO_ASAN
536
#endif
537
538
#if _GNUC_VER >= 700
539
#define _LIBCPP_COMPILER_HAS_BUILTIN_LAUNDER
540
#endif
541
542
#if _GNUC_VER >= 700
543
#define _LIBCPP_HAS_UNIQUE_OBJECT_REPRESENTATIONS
544
#endif
545
546
#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__))
547
548
#define _LIBCPP_DISABLE_EXTENSION_WARNING __extension__
549
550
#elif defined(_LIBCPP_COMPILER_MSVC)
551
552
#define _LIBCPP_TOSTRING2(x) #x
553
#define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x)
554
#define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x))
555
556
#if _MSC_VER < 1900
557
#error "MSVC versions prior to Visual Studio 2015 are not supported"
558
#endif
559
560
#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
561
#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
562
#define __alignof__ __alignof
563
#define _LIBCPP_NORETURN __declspec(noreturn)
564
#define _ALIGNAS(x) __declspec(align(x))
565
#define _ALIGNAS_TYPE(x) alignas(x)
566
567
#define _LIBCPP_WEAK
568
569
#define _LIBCPP_HAS_NO_ASAN
570
571
#define _LIBCPP_ALWAYS_INLINE __forceinline
572
573
#define _LIBCPP_HAS_NO_VECTOR_EXTENSION
574
575
#define _LIBCPP_DISABLE_EXTENSION_WARNING
576
577
#elif defined(_LIBCPP_COMPILER_IBM)
578
579
#define _ALIGNAS(x) __attribute__((__aligned__(x)))
580
#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(_LIBCPP_ALIGNOF(x))))
581
#define _ATTRIBUTE(x) __attribute__((x))
582
#define _LIBCPP_NORETURN __attribute__((noreturn))
583
584
#define _LIBCPP_HAS_NO_UNICODE_CHARS
585
#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
586
587
#if defined(_AIX)
588
#define __MULTILOCALE_API
589
#endif
590
591
#define _LIBCPP_HAS_NO_ASAN
592
593
#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__))
594
595
#define _LIBCPP_HAS_NO_VECTOR_EXTENSION
596
597
#define _LIBCPP_DISABLE_EXTENSION_WARNING
598
599
#endif // _LIBCPP_COMPILER_[CLANG|GCC|MSVC|IBM]
600
601
#if defined(_LIBCPP_OBJECT_FORMAT_COFF)
602
603
#ifdef _DLL
604
#  define _LIBCPP_CRT_FUNC __declspec(dllimport)
605
#else
606
#  define _LIBCPP_CRT_FUNC
607
#endif
608
609
#if defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
610
#  define _LIBCPP_DLL_VIS
611
#  define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
612
#  define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
613
#  define _LIBCPP_OVERRIDABLE_FUNC_VIS
614
#  define _LIBCPP_EXPORTED_FROM_ABI
615
#elif defined(_LIBCPP_BUILDING_LIBRARY)
616
#  define _LIBCPP_DLL_VIS __declspec(dllexport)
617
#  if defined(__MINGW32__)
618
#    define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DLL_VIS
619
#    define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
620
#  else
621
#    define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
622
#    define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS _LIBCPP_DLL_VIS
623
#  endif
624
#  define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_DLL_VIS
625
#  define _LIBCPP_EXPORTED_FROM_ABI __declspec(dllexport)
626
#else
627
#  define _LIBCPP_DLL_VIS __declspec(dllimport)
628
#  define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DLL_VIS
629
#  define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
630
#  define _LIBCPP_OVERRIDABLE_FUNC_VIS
631
#  define _LIBCPP_EXPORTED_FROM_ABI __declspec(dllimport)
632
#endif
633
634
#define _LIBCPP_TYPE_VIS            _LIBCPP_DLL_VIS
635
#define _LIBCPP_FUNC_VIS            _LIBCPP_DLL_VIS
636
#define _LIBCPP_EXCEPTION_ABI       _LIBCPP_DLL_VIS
637
#define _LIBCPP_HIDDEN
638
#define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
639
#define _LIBCPP_TEMPLATE_VIS
640
#define _LIBCPP_ENUM_VIS
641
642
#endif // defined(_LIBCPP_OBJECT_FORMAT_COFF)
643
644
#ifndef _LIBCPP_HIDDEN
645
#  if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
646
#    define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden")))
647
#  else
648
#    define _LIBCPP_HIDDEN
649
#  endif
650
#endif
651
652
#ifndef _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
653
#  if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
654
// The inline should be removed once PR32114 is resolved
655
#    define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS inline _LIBCPP_HIDDEN
656
#  else
657
#    define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
658
#  endif
659
#endif
660
661
#ifndef _LIBCPP_FUNC_VIS
662
#  if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
663
#    define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default")))
664
#  else
665
#    define _LIBCPP_FUNC_VIS
666
#  endif
667
#endif
668
669
#ifndef _LIBCPP_TYPE_VIS
670
#  if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
671
#    define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default")))
672
#  else
673
#    define _LIBCPP_TYPE_VIS
674
#  endif
675
#endif
676
677
#ifndef _LIBCPP_TEMPLATE_VIS
678
#  if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
679
#    if __has_attribute(__type_visibility__)
680
#      define _LIBCPP_TEMPLATE_VIS __attribute__ ((__type_visibility__("default")))
681
#    else
682
#      define _LIBCPP_TEMPLATE_VIS __attribute__ ((__visibility__("default")))
683
#    endif
684
#  else
685
#    define _LIBCPP_TEMPLATE_VIS
686
#  endif
687
#endif
688
689
#ifndef _LIBCPP_EXPORTED_FROM_ABI
690
#  if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
691
#    define _LIBCPP_EXPORTED_FROM_ABI __attribute__((__visibility__("default")))
692
#  else
693
#    define _LIBCPP_EXPORTED_FROM_ABI
694
#  endif
695
#endif
696
697
#ifndef _LIBCPP_OVERRIDABLE_FUNC_VIS
698
#define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_FUNC_VIS
699
#endif
700
701
#ifndef _LIBCPP_EXCEPTION_ABI
702
#  if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
703
#    define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default")))
704
#  else
705
#    define _LIBCPP_EXCEPTION_ABI
706
#  endif
707
#endif
708
709
#ifndef _LIBCPP_ENUM_VIS
710
#  if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__)
711
#    define _LIBCPP_ENUM_VIS __attribute__ ((__type_visibility__("default")))
712
#  else
713
#    define _LIBCPP_ENUM_VIS
714
#  endif
715
#endif
716
717
#ifndef _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
718
#  if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__)
719
#    define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __attribute__ ((__visibility__("default")))
720
#  else
721
#    define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
722
#  endif
723
#endif
724
725
#ifndef _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
726
#define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
727
#endif
728
729
#if __has_attribute(internal_linkage)
730
#  define _LIBCPP_INTERNAL_LINKAGE __attribute__ ((internal_linkage))
731
#else
732
#  define _LIBCPP_INTERNAL_LINKAGE _LIBCPP_ALWAYS_INLINE
733
#endif
734
735
#if __has_attribute(exclude_from_explicit_instantiation)
736
#  define _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION __attribute__ ((__exclude_from_explicit_instantiation__))
737
#else
738
   // Try to approximate the effect of exclude_from_explicit_instantiation
739
   // (which is that entities are not assumed to be provided by explicit
740
   // template instantiations in the dylib) by always inlining those entities.
741
#  define _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION _LIBCPP_ALWAYS_INLINE
742
#endif
743
744
#ifndef _LIBCPP_HIDE_FROM_ABI_PER_TU
745
#  ifndef _LIBCPP_HIDE_FROM_ABI_PER_TU_BY_DEFAULT
746
#    define _LIBCPP_HIDE_FROM_ABI_PER_TU 0
747
#  else
748
#    define _LIBCPP_HIDE_FROM_ABI_PER_TU 1
749
#  endif
750
#endif
751
752
#ifndef _LIBCPP_HAS_MERGED_TYPEINFO_NAMES_DEFAULT
753
# ifdef _LIBCPP_OBJECT_FORMAT_COFF // Windows binaries can't merge typeinfos.
754
# define _LIBCPP_HAS_MERGED_TYPEINFO_NAMES_DEFAULT 0
755
#else
756
// TODO: This isn't strictly correct on ELF platforms due to llvm.org/PR37398
757
// And we should consider defaulting to OFF.
758
# define _LIBCPP_HAS_MERGED_TYPEINFO_NAMES_DEFAULT 1
759
#endif
760
#endif
761
762
#ifndef _LIBCPP_HIDE_FROM_ABI
763
#  if _LIBCPP_HIDE_FROM_ABI_PER_TU
764
#    define _LIBCPP_HIDE_FROM_ABI _LIBCPP_HIDDEN _LIBCPP_INTERNAL_LINKAGE
765
#  else
766
#    define _LIBCPP_HIDE_FROM_ABI _LIBCPP_HIDDEN _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION
767
#  endif
768
#endif
769
770
#ifdef _LIBCPP_BUILDING_LIBRARY
771
#  if _LIBCPP_ABI_VERSION > 1
772
#    define _LIBCPP_HIDE_FROM_ABI_AFTER_V1 _LIBCPP_HIDE_FROM_ABI
773
#  else
774
#    define _LIBCPP_HIDE_FROM_ABI_AFTER_V1
775
#  endif
776
#else
777
#  define _LIBCPP_HIDE_FROM_ABI_AFTER_V1 _LIBCPP_HIDE_FROM_ABI
778
#endif
779
780
// Just so we can migrate to the new macros gradually.
781
#define _LIBCPP_INLINE_VISIBILITY _LIBCPP_HIDE_FROM_ABI
782
783
// Inline namespaces are available in Clang/GCC/MSVC regardless of C++ dialect.
784
#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { inline namespace _LIBCPP_ABI_NAMESPACE {
785
#define _LIBCPP_END_NAMESPACE_STD  } }
786
15.2G
#define _VSTD std::_LIBCPP_ABI_NAMESPACE
787
_LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_END_NAMESPACE_STD
788
789
#if _LIBCPP_STD_VER >= 17
790
#define _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM \
791
  _LIBCPP_BEGIN_NAMESPACE_STD inline namespace __fs { namespace filesystem {
792
#else
793
#define _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM \
794
  _LIBCPP_BEGIN_NAMESPACE_STD namespace __fs { namespace filesystem {
795
#endif
796
797
#define _LIBCPP_END_NAMESPACE_FILESYSTEM \
798
  _LIBCPP_END_NAMESPACE_STD } }
799
800
0
#define _VSTD_FS _VSTD::__fs::filesystem
801
802
#ifndef _LIBCPP_PREFERRED_OVERLOAD
803
#  if __has_attribute(__enable_if__)
804
#    define _LIBCPP_PREFERRED_OVERLOAD __attribute__ ((__enable_if__(true, "")))
805
#  endif
806
#endif
807
808
#ifndef _LIBCPP_HAS_NO_NOEXCEPT
809
0
#  define _NOEXCEPT noexcept
Unexecuted instantiation: std::bad_optional_access::~bad_optional_access()
Unexecuted instantiation: std::experimental::bad_optional_access::~bad_optional_access()
810
#  define _NOEXCEPT_(x) noexcept(x)
811
#else
812
#  define _NOEXCEPT throw()
813
#  define _NOEXCEPT_(x)
814
#endif
815
816
#ifdef _LIBCPP_HAS_NO_UNICODE_CHARS
817
typedef unsigned short char16_t;
818
typedef unsigned int   char32_t;
819
#endif  // _LIBCPP_HAS_NO_UNICODE_CHARS
820
821
#ifndef __SIZEOF_INT128__
822
#define _LIBCPP_HAS_NO_INT128
823
#endif
824
825
#ifdef _LIBCPP_CXX03_LANG
826
# define static_assert(...) _Static_assert(__VA_ARGS__)
827
# define decltype(...) __decltype(__VA_ARGS__)
828
#endif  // _LIBCPP_CXX03_LANG
829
830
#ifdef _LIBCPP_CXX03_LANG
831
#  define _LIBCPP_CONSTEXPR
832
#else
833
13
#  define _LIBCPP_CONSTEXPR constexpr
834
#endif
835
836
#ifdef _LIBCPP_CXX03_LANG
837
#  define _LIBCPP_DEFAULT {}
838
#else
839
#  define _LIBCPP_DEFAULT = default;
840
#endif
841
842
#ifdef _LIBCPP_CXX03_LANG
843
#  define _LIBCPP_EQUAL_DELETE
844
#else
845
#  define _LIBCPP_EQUAL_DELETE = delete
846
#endif
847
848
#ifdef __GNUC__
849
#  define _LIBCPP_NOALIAS __attribute__((__malloc__))
850
#else
851
#  define _LIBCPP_NOALIAS
852
#endif
853
854
#if __has_feature(cxx_explicit_conversions) || defined(__IBMCPP__) || \
855
    (!defined(_LIBCPP_CXX03_LANG) && defined(__GNUC__)) // All supported GCC versions
856
#  define _LIBCPP_EXPLICIT explicit
857
#else
858
#  define _LIBCPP_EXPLICIT
859
#endif
860
861
#if !__has_builtin(__builtin_operator_new) || !__has_builtin(__builtin_operator_delete)
862
#define _LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE
863
#endif
864
865
#ifdef _LIBCPP_HAS_NO_STRONG_ENUMS
866
#  define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx
867
#  define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \
868
     __lx __v_; \
869
     _LIBCPP_INLINE_VISIBILITY x(__lx __v) : __v_(__v) {} \
870
     _LIBCPP_INLINE_VISIBILITY explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \
871
     _LIBCPP_INLINE_VISIBILITY operator int() const {return __v_;} \
872
     };
873
#else  // _LIBCPP_HAS_NO_STRONG_ENUMS
874
#  define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_ENUM_VIS x
875
#  define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x)
876
#endif  // _LIBCPP_HAS_NO_STRONG_ENUMS
877
878
#ifdef _LIBCPP_DEBUG
879
#  if _LIBCPP_DEBUG == 0
880
#    define _LIBCPP_DEBUG_LEVEL 1
881
#  elif _LIBCPP_DEBUG == 1
882
#    define _LIBCPP_DEBUG_LEVEL 2
883
#  else
884
#    error Supported values for _LIBCPP_DEBUG are 0 and 1
885
#  endif
886
#  if !defined(_LIBCPP_BUILDING_LIBRARY)
887
#    define _LIBCPP_EXTERN_TEMPLATE(...)
888
#  endif
889
#endif
890
891
#ifndef _LIBCPP_DEBUG_LEVEL
892
# define _LIBCPP_DEBUG_LEVEL 0
893
#endif
894
895
#ifdef _LIBCPP_DISABLE_EXTERN_TEMPLATE
896
#define _LIBCPP_EXTERN_TEMPLATE(...)
897
#define _LIBCPP_EXTERN_TEMPLATE2(...)
898
#endif
899
900
#ifndef _LIBCPP_EXTERN_TEMPLATE
901
#define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
902
#endif
903
904
#ifndef _LIBCPP_EXTERN_TEMPLATE2
905
#define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
906
#endif
907
908
#ifndef _LIBCPP_EXTERN_TEMPLATE_DEFINE
909
#define _LIBCPP_EXTERN_TEMPLATE_DEFINE(...) template __VA_ARGS__;
910
#endif
911
912
#if defined(__APPLE__) || defined(__FreeBSD__) || defined(_LIBCPP_MSVCRT_LIKE) || \
913
    defined(__sun__) || defined(__NetBSD__) || defined(__CloudABI__)
914
#define _LIBCPP_LOCALE__L_EXTENSIONS 1
915
#endif
916
917
#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
918
// Most unix variants have catopen.  These are the specific ones that don't.
919
#  if !defined(__BIONIC__) && !defined(_NEWLIB_VERSION)
920
#    define _LIBCPP_HAS_CATOPEN 1
921
#  endif
922
#endif
923
924
#ifdef __FreeBSD__
925
#define _DECLARE_C99_LDBL_MATH 1
926
#endif
927
928
// If we are getting operator new from the MSVC CRT, then allocation overloads
929
// for align_val_t were added in 19.12, aka VS 2017 version 15.3.
930
#if defined(_LIBCPP_MSVCRT) && defined(_MSC_VER) && _MSC_VER < 1912
931
#  define _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION
932
#elif defined(_LIBCPP_ABI_VCRUNTIME) && !defined(__cpp_aligned_new)
933
   // We're deferring to Microsoft's STL to provide aligned new et al. We don't
934
   // have it unless the language feature test macro is defined.
935
#  define _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION
936
#endif
937
938
#if defined(__APPLE__)
939
#  if !defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && \
940
      defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__)
941
#    define __MAC_OS_X_VERSION_MIN_REQUIRED __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__
942
#  endif
943
#endif // defined(__APPLE__)
944
945
#if !defined(_LIBCPP_HAS_NO_ALIGNED_ALLOCATION) && \
946
    (defined(_LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION) || \
947
    (!defined(__cpp_aligned_new) || __cpp_aligned_new < 201606))
948
#  define _LIBCPP_HAS_NO_ALIGNED_ALLOCATION
949
#endif
950
951
#if defined(__APPLE__) || defined(__FreeBSD__)
952
#define _LIBCPP_HAS_DEFAULTRUNELOCALE
953
#endif
954
955
#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__)
956
#define _LIBCPP_WCTYPE_IS_MASK
957
#endif
958
959
#if _LIBCPP_STD_VER <= 17 || !defined(__cpp_char8_t)
960
#define _LIBCPP_NO_HAS_CHAR8_T
961
#endif
962
963
// Deprecation macros.
964
//
965
// Deprecations warnings are always enabled, except when users explicitly opt-out
966
// by defining _LIBCPP_DISABLE_DEPRECATION_WARNINGS.
967
#if !defined(_LIBCPP_DISABLE_DEPRECATION_WARNINGS)
968
#  if __has_attribute(deprecated)
969
#    define _LIBCPP_DEPRECATED __attribute__ ((deprecated))
970
#  elif _LIBCPP_STD_VER > 11
971
#    define _LIBCPP_DEPRECATED [[deprecated]]
972
#  else
973
#    define _LIBCPP_DEPRECATED
974
#  endif
975
#else
976
#  define _LIBCPP_DEPRECATED
977
#endif
978
979
#if !defined(_LIBCPP_CXX03_LANG)
980
#  define _LIBCPP_DEPRECATED_IN_CXX11 _LIBCPP_DEPRECATED
981
#else
982
#  define _LIBCPP_DEPRECATED_IN_CXX11
983
#endif
984
985
#if _LIBCPP_STD_VER >= 14
986
#  define _LIBCPP_DEPRECATED_IN_CXX14 _LIBCPP_DEPRECATED
987
#else
988
#  define _LIBCPP_DEPRECATED_IN_CXX14
989
#endif
990
991
#if _LIBCPP_STD_VER >= 17
992
#  define _LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_DEPRECATED
993
#else
994
#  define _LIBCPP_DEPRECATED_IN_CXX17
995
#endif
996
997
// Macros to enter and leave a state where deprecation warnings are suppressed.
998
#if !defined(_LIBCPP_SUPPRESS_DEPRECATED_PUSH) && \
999
    (defined(_LIBCPP_COMPILER_CLANG) || defined(_LIBCPP_COMPILER_GCC))
1000
#  define _LIBCPP_SUPPRESS_DEPRECATED_PUSH \
1001
    _Pragma("GCC diagnostic push") \
1002
    _Pragma("GCC diagnostic ignored \"-Wdeprecated\"")
1003
#  define _LIBCPP_SUPPRESS_DEPRECATED_POP \
1004
    _Pragma("GCC diagnostic pop")
1005
#endif
1006
#if !defined(_LIBCPP_SUPPRESS_DEPRECATED_PUSH)
1007
#  define _LIBCPP_SUPPRESS_DEPRECATED_PUSH
1008
#  define _LIBCPP_SUPPRESS_DEPRECATED_POP
1009
#endif
1010
1011
#if _LIBCPP_STD_VER <= 11
1012
#  define _LIBCPP_EXPLICIT_AFTER_CXX11
1013
#else
1014
#  define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit
1015
#endif
1016
1017
#if _LIBCPP_STD_VER > 11 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR)
1018
#  define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr
1019
#else
1020
#  define _LIBCPP_CONSTEXPR_AFTER_CXX11
1021
#endif
1022
1023
#if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR)
1024
#  define _LIBCPP_CONSTEXPR_AFTER_CXX14 constexpr
1025
#else
1026
#  define _LIBCPP_CONSTEXPR_AFTER_CXX14
1027
#endif
1028
1029
#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR)
1030
#  define _LIBCPP_CONSTEXPR_AFTER_CXX17 constexpr
1031
#else
1032
#  define _LIBCPP_CONSTEXPR_AFTER_CXX17
1033
#endif
1034
1035
#if _LIBCPP_STD_VER > 17 && \
1036
    !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) && \
1037
    !defined(_LIBCPP_HAS_NO_BUILTIN_IS_CONSTANT_EVALUATED)
1038
#  define _LIBCPP_CONSTEXPR_AFTER_CXX17_WITH_IS_CONSTANT_EVALUATED constexpr
1039
#else
1040
#  define _LIBCPP_CONSTEXPR_AFTER_CXX17_WITH_IS_CONSTANT_EVALUATED
1041
#endif
1042
1043
// The _LIBCPP_NODISCARD_ATTRIBUTE should only be used to define other
1044
// NODISCARD macros to the correct attribute.
1045
#if __has_cpp_attribute(nodiscard) || defined(_LIBCPP_COMPILER_MSVC)
1046
#  define _LIBCPP_NODISCARD_ATTRIBUTE [[nodiscard]]
1047
#elif defined(_LIBCPP_COMPILER_CLANG) && !defined(_LIBCPP_CXX03_LANG)
1048
#  define _LIBCPP_NODISCARD_ATTRIBUTE [[clang::warn_unused_result]]
1049
#else
1050
// We can't use GCC's [[gnu::warn_unused_result]] and
1051
// __attribute__((warn_unused_result)), because GCC does not silence them via
1052
// (void) cast.
1053
#  define _LIBCPP_NODISCARD_ATTRIBUTE
1054
#endif
1055
1056
// _LIBCPP_NODISCARD_EXT may be used to apply [[nodiscard]] to entities not
1057
// specified as such as an extension.
1058
#if defined(_LIBCPP_ENABLE_NODISCARD) && !defined(_LIBCPP_DISABLE_NODISCARD_EXT)
1059
#  define _LIBCPP_NODISCARD_EXT _LIBCPP_NODISCARD_ATTRIBUTE
1060
#else
1061
#  define _LIBCPP_NODISCARD_EXT
1062
#endif
1063
1064
#if !defined(_LIBCPP_DISABLE_NODISCARD_AFTER_CXX17) && \
1065
    (_LIBCPP_STD_VER > 17 || defined(_LIBCPP_ENABLE_NODISCARD))
1066
#  define _LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_NODISCARD_ATTRIBUTE
1067
#else
1068
#  define _LIBCPP_NODISCARD_AFTER_CXX17
1069
#endif
1070
1071
#if _LIBCPP_STD_VER > 14 && defined(__cpp_inline_variables) && (__cpp_inline_variables >= 201606L)
1072
#  define _LIBCPP_INLINE_VAR inline
1073
#else
1074
#  define _LIBCPP_INLINE_VAR
1075
#endif
1076
1077
#ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES
1078
#  define _LIBCPP_EXPLICIT_MOVE(x) _VSTD::move(x)
1079
#else
1080
#  define _LIBCPP_EXPLICIT_MOVE(x) (x)
1081
#endif
1082
1083
#ifndef _LIBCPP_CONSTEXPR_IF_NODEBUG
1084
#if defined(_LIBCPP_DEBUG) || defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR)
1085
#define _LIBCPP_CONSTEXPR_IF_NODEBUG
1086
#else
1087
#define _LIBCPP_CONSTEXPR_IF_NODEBUG constexpr
1088
#endif
1089
#endif
1090
1091
#if __has_attribute(no_destroy)
1092
#  define _LIBCPP_NO_DESTROY __attribute__((__no_destroy__))
1093
#else
1094
#  define _LIBCPP_NO_DESTROY
1095
#endif
1096
1097
#ifndef _LIBCPP_HAS_NO_ASAN
1098
_LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container(
1099
  const void *, const void *, const void *, const void *);
1100
#endif
1101
1102
// Try to find out if RTTI is disabled.
1103
// g++ and cl.exe have RTTI on by default and define a macro when it is.
1104
// g++ only defines the macro in 4.3.2 and onwards.
1105
#if !defined(_LIBCPP_NO_RTTI)
1106
#  if defined(__GNUC__) && \
1107
      ((__GNUC__ >= 5) || \
1108
       (__GNUC__ == 4 && (__GNUC_MINOR__ >= 3 || __GNUC_PATCHLEVEL__ >= 2))) && \
1109
      !defined(__GXX_RTTI)
1110
#    define _LIBCPP_NO_RTTI
1111
#  elif defined(_LIBCPP_COMPILER_MSVC) && !defined(_CPPRTTI)
1112
#    define _LIBCPP_NO_RTTI
1113
#  endif
1114
#endif
1115
1116
#ifndef _LIBCPP_WEAK
1117
#define _LIBCPP_WEAK __attribute__((__weak__))
1118
#endif
1119
1120
// Thread API
1121
#if !defined(_LIBCPP_HAS_NO_THREADS) && \
1122
    !defined(_LIBCPP_HAS_THREAD_API_PTHREAD) && \
1123
    !defined(_LIBCPP_HAS_THREAD_API_WIN32) && \
1124
    !defined(_LIBCPP_HAS_THREAD_API_EXTERNAL)
1125
#  if defined(__FreeBSD__) || \
1126
      defined(__wasi__) || \
1127
      defined(__NetBSD__) || \
1128
      defined(__linux__) || \
1129
      defined(__GNU__) || \
1130
      defined(__APPLE__) || \
1131
      defined(__CloudABI__) || \
1132
      defined(__sun__) || \
1133
      (defined(__MINGW32__) && __has_include(<pthread.h>))
1134
#    define _LIBCPP_HAS_THREAD_API_PTHREAD
1135
#  elif defined(__Fuchsia__)
1136
     // TODO(44575): Switch to C11 thread API when possible.
1137
#    define _LIBCPP_HAS_THREAD_API_PTHREAD
1138
#  elif defined(_LIBCPP_WIN32API)
1139
#    define _LIBCPP_HAS_THREAD_API_WIN32
1140
#  else
1141
#    error "No thread API"
1142
#  endif // _LIBCPP_HAS_THREAD_API
1143
#endif // _LIBCPP_HAS_NO_THREADS
1144
1145
#if defined(_LIBCPP_HAS_THREAD_API_PTHREAD)
1146
#if defined(__ANDROID__) && __ANDROID_API__ >= 30
1147
#define _LIBCPP_HAS_COND_CLOCKWAIT
1148
#elif defined(_LIBCPP_GLIBC_PREREQ)
1149
#if _LIBCPP_GLIBC_PREREQ(2, 30)
1150
#define _LIBCPP_HAS_COND_CLOCKWAIT
1151
#endif
1152
#endif
1153
#endif
1154
1155
#if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_PTHREAD)
1156
#error _LIBCPP_HAS_THREAD_API_PTHREAD may only be defined when \
1157
       _LIBCPP_HAS_NO_THREADS is not defined.
1158
#endif
1159
1160
#if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_EXTERNAL)
1161
#error _LIBCPP_HAS_THREAD_API_EXTERNAL may not be defined when \
1162
       _LIBCPP_HAS_NO_THREADS is defined.
1163
#endif
1164
1165
#if defined(_LIBCPP_HAS_NO_MONOTONIC_CLOCK) && !defined(_LIBCPP_HAS_NO_THREADS)
1166
#error _LIBCPP_HAS_NO_MONOTONIC_CLOCK may only be defined when \
1167
       _LIBCPP_HAS_NO_THREADS is defined.
1168
#endif
1169
1170
#if defined(__STDCPP_THREADS__) && defined(_LIBCPP_HAS_NO_THREADS)
1171
#error _LIBCPP_HAS_NO_THREADS cannot be set when __STDCPP_THREADS__ is set.
1172
#endif
1173
1174
#if !defined(_LIBCPP_HAS_NO_THREADS) && !defined(__STDCPP_THREADS__)
1175
#define __STDCPP_THREADS__ 1
1176
#endif
1177
1178
// The glibc and Bionic implementation of pthreads implements
1179
// pthread_mutex_destroy as nop for regular mutexes. Additionally, Win32
1180
// mutexes have no destroy mechanism.
1181
//
1182
// This optimization can't be performed on Apple platforms, where
1183
// pthread_mutex_destroy can allow the kernel to release resources.
1184
// See https://llvm.org/D64298 for details.
1185
//
1186
// TODO(EricWF): Enable this optimization on Bionic after speaking to their
1187
//               respective stakeholders.
1188
#if (defined(_LIBCPP_HAS_THREAD_API_PTHREAD) && defined(__GLIBC__)) \
1189
  || (defined(_LIBCPP_HAS_THREAD_API_C11) && defined(__Fuchsia__)) \
1190
  || defined(_LIBCPP_HAS_THREAD_API_WIN32)
1191
# define _LIBCPP_HAS_TRIVIAL_MUTEX_DESTRUCTION
1192
#endif
1193
1194
// Destroying a condvar is a nop on Windows.
1195
//
1196
// This optimization can't be performed on Apple platforms, where
1197
// pthread_cond_destroy can allow the kernel to release resources.
1198
// See https://llvm.org/D64298 for details.
1199
//
1200
// TODO(EricWF): This is potentially true for some pthread implementations
1201
// as well.
1202
#if (defined(_LIBCPP_HAS_THREAD_API_C11) && defined(__Fuchsia__)) || \
1203
     defined(_LIBCPP_HAS_THREAD_API_WIN32)
1204
# define _LIBCPP_HAS_TRIVIAL_CONDVAR_DESTRUCTION
1205
#endif
1206
1207
// Systems that use capability-based security (FreeBSD with Capsicum,
1208
// Nuxi CloudABI) may only provide local filesystem access (using *at()).
1209
// Functions like open(), rename(), unlink() and stat() should not be
1210
// used, as they attempt to access the global filesystem namespace.
1211
#ifdef __CloudABI__
1212
#define _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE
1213
#endif
1214
1215
// CloudABI is intended for running networked services. Processes do not
1216
// have standard input and output channels.
1217
#ifdef __CloudABI__
1218
#define _LIBCPP_HAS_NO_STDIN
1219
#define _LIBCPP_HAS_NO_STDOUT
1220
#endif
1221
1222
// Some systems do not provide gets() in their C library, for security reasons.
1223
#ifndef _LIBCPP_C_HAS_NO_GETS
1224
#  if defined(_LIBCPP_MSVCRT) || \
1225
      (defined(__FreeBSD_version) && __FreeBSD_version >= 1300043)
1226
#    define _LIBCPP_C_HAS_NO_GETS
1227
#  endif
1228
#endif
1229
1230
#if defined(__BIONIC__) || defined(__CloudABI__) ||                            \
1231
    defined(__Fuchsia__) || defined(__wasi__) || defined(_LIBCPP_HAS_MUSL_LIBC)
1232
#define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE
1233
#endif
1234
1235
// Thread-unsafe functions such as strtok() and localtime()
1236
// are not available.
1237
#ifdef __CloudABI__
1238
#define _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS
1239
#endif
1240
1241
#if __has_feature(cxx_atomic) || __has_extension(c_atomic) || __has_keyword(_Atomic)
1242
#  define _LIBCPP_HAS_C_ATOMIC_IMP
1243
#elif defined(_LIBCPP_COMPILER_GCC)
1244
#  define _LIBCPP_HAS_GCC_ATOMIC_IMP
1245
#endif
1246
1247
#if (!defined(_LIBCPP_HAS_C_ATOMIC_IMP) && \
1248
     !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP) && \
1249
     !defined(_LIBCPP_HAS_EXTERNAL_ATOMIC_IMP)) \
1250
     || defined(_LIBCPP_HAS_NO_THREADS)
1251
#  define _LIBCPP_HAS_NO_ATOMIC_HEADER
1252
#else
1253
#  ifndef _LIBCPP_ATOMIC_FLAG_TYPE
1254
#    define _LIBCPP_ATOMIC_FLAG_TYPE bool
1255
#  endif
1256
#  ifdef _LIBCPP_FREESTANDING
1257
#    define _LIBCPP_ATOMIC_ONLY_USE_BUILTINS
1258
#  endif
1259
#endif
1260
1261
#ifndef _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
1262
#define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
1263
#endif
1264
1265
#if defined(_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS)
1266
#  if defined(__clang__) && __has_attribute(acquire_capability)
1267
// Work around the attribute handling in clang.  When both __declspec and
1268
// __attribute__ are present, the processing goes awry preventing the definition
1269
// of the types.
1270
#    if !defined(_LIBCPP_OBJECT_FORMAT_COFF)
1271
#      define _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS
1272
#    endif
1273
#  endif
1274
#endif
1275
1276
#ifndef _LIBCPP_THREAD_SAFETY_ANNOTATION
1277
#  ifdef _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS
1278
#    define _LIBCPP_THREAD_SAFETY_ANNOTATION(x) __attribute__((x))
1279
#  else
1280
#    define _LIBCPP_THREAD_SAFETY_ANNOTATION(x)
1281
#  endif
1282
#endif  // _LIBCPP_THREAD_SAFETY_ANNOTATION
1283
1284
#if __has_attribute(require_constant_initialization)
1285
#  define _LIBCPP_SAFE_STATIC __attribute__((__require_constant_initialization__))
1286
#else
1287
#  define _LIBCPP_SAFE_STATIC
1288
#endif
1289
1290
#if !__has_builtin(__builtin_addressof) && _GNUC_VER < 700
1291
#define _LIBCPP_HAS_NO_BUILTIN_ADDRESSOF
1292
#endif
1293
1294
#if !__has_builtin(__builtin_is_constant_evaluated) && _GNUC_VER < 900
1295
#define _LIBCPP_HAS_NO_BUILTIN_IS_CONSTANT_EVALUATED
1296
#endif
1297
1298
#if !defined(_LIBCPP_HAS_NO_OFF_T_FUNCTIONS)
1299
#  if defined(_LIBCPP_MSVCRT) || defined(_NEWLIB_VERSION)
1300
#    define _LIBCPP_HAS_NO_OFF_T_FUNCTIONS
1301
#  endif
1302
#endif
1303
1304
#if __has_attribute(diagnose_if) && !defined(_LIBCPP_DISABLE_ADDITIONAL_DIAGNOSTICS)
1305
#  define _LIBCPP_DIAGNOSE_WARNING(...) \
1306
     __attribute__((diagnose_if(__VA_ARGS__, "warning")))
1307
#  define _LIBCPP_DIAGNOSE_ERROR(...) \
1308
     __attribute__((diagnose_if(__VA_ARGS__, "error")))
1309
#else
1310
#  define _LIBCPP_DIAGNOSE_WARNING(...)
1311
#  define _LIBCPP_DIAGNOSE_ERROR(...)
1312
#endif
1313
1314
// Use a function like macro to imply that it must be followed by a semicolon
1315
#if __cplusplus > 201402L && __has_cpp_attribute(fallthrough)
1316
#  define _LIBCPP_FALLTHROUGH() [[fallthrough]]
1317
#elif __has_cpp_attribute(clang::fallthrough)
1318
0
#  define _LIBCPP_FALLTHROUGH() [[clang::fallthrough]]
1319
#elif __has_attribute(fallthrough) || _GNUC_VER >= 700
1320
#  define _LIBCPP_FALLTHROUGH() __attribute__((__fallthrough__))
1321
#else
1322
#  define _LIBCPP_FALLTHROUGH() ((void)0)
1323
#endif
1324
1325
#if __has_attribute(__nodebug__)
1326
#define _LIBCPP_NODEBUG __attribute__((__nodebug__))
1327
#else
1328
#define _LIBCPP_NODEBUG
1329
#endif
1330
1331
#ifndef _LIBCPP_NODEBUG_TYPE
1332
#if __has_attribute(__nodebug__) && \
1333
    (defined(_LIBCPP_CLANG_VER) && _LIBCPP_CLANG_VER >= 900)
1334
#define _LIBCPP_NODEBUG_TYPE __attribute__((nodebug))
1335
#else
1336
#define _LIBCPP_NODEBUG_TYPE
1337
#endif
1338
#endif // !defined(_LIBCPP_NODEBUG_TYPE)
1339
1340
#if defined(_LIBCPP_ABI_MICROSOFT) && \
1341
    (defined(_LIBCPP_COMPILER_MSVC) || __has_declspec_attribute(empty_bases))
1342
#  define _LIBCPP_DECLSPEC_EMPTY_BASES __declspec(empty_bases)
1343
#else
1344
#  define _LIBCPP_DECLSPEC_EMPTY_BASES
1345
#endif
1346
1347
#if defined(_LIBCPP_ENABLE_CXX17_REMOVED_FEATURES)
1348
#define _LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR
1349
#define _LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS
1350
#define _LIBCPP_ENABLE_CXX17_REMOVED_RANDOM_SHUFFLE
1351
#define _LIBCPP_ENABLE_CXX17_REMOVED_BINDERS
1352
#endif // _LIBCPP_ENABLE_CXX17_REMOVED_FEATURES
1353
1354
#if !defined(__cpp_deduction_guides) || __cpp_deduction_guides < 201611
1355
#define _LIBCPP_HAS_NO_DEDUCTION_GUIDES
1356
#endif
1357
1358
#if !__has_keyword(__is_aggregate) && (_GNUC_VER_NEW < 7001)
1359
#define _LIBCPP_HAS_NO_IS_AGGREGATE
1360
#endif
1361
1362
#if !defined(__cpp_coroutines) || __cpp_coroutines < 201703L
1363
#define _LIBCPP_HAS_NO_COROUTINES
1364
#endif
1365
1366
#if !defined(__cpp_impl_three_way_comparison) || __cpp_impl_three_way_comparison < 201907L
1367
#define _LIBCPP_HAS_NO_SPACESHIP_OPERATOR
1368
#endif
1369
1370
// Decide whether to use availability macros.
1371
#if !defined(_LIBCPP_BUILDING_LIBRARY) &&                                      \
1372
    !defined(_LIBCPP_DISABLE_AVAILABILITY) &&                                  \
1373
    __has_feature(attribute_availability_with_strict) &&                       \
1374
    __has_feature(attribute_availability_in_templates) &&                      \
1375
    __has_extension(pragma_clang_attribute_external_declaration)
1376
#  ifdef __APPLE__
1377
#    define _LIBCPP_USE_AVAILABILITY_APPLE
1378
#  endif
1379
#endif
1380
1381
// Define availability macros.
1382
#if defined(_LIBCPP_USE_AVAILABILITY_APPLE)
1383
#  define _LIBCPP_AVAILABILITY_SHARED_MUTEX                                    \
1384
     __attribute__((availability(macosx,strict,introduced=10.12)))             \
1385
     __attribute__((availability(ios,strict,introduced=10.0)))                 \
1386
     __attribute__((availability(tvos,strict,introduced=10.0)))                \
1387
     __attribute__((availability(watchos,strict,introduced=3.0)))
1388
#  define _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS                             \
1389
     __attribute__((availability(macosx,strict,introduced=10.14)))             \
1390
     __attribute__((availability(ios,strict,introduced=12.0)))                 \
1391
     __attribute__((availability(tvos,strict,introduced=12.0)))                \
1392
     __attribute__((availability(watchos,strict,introduced=5.0)))
1393
#  define _LIBCPP_AVAILABILITY_BAD_VARIANT_ACCESS                              \
1394
     _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS
1395
#  define _LIBCPP_AVAILABILITY_BAD_ANY_CAST                                    \
1396
     _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS
1397
#  define _LIBCPP_AVAILABILITY_UNCAUGHT_EXCEPTIONS                             \
1398
     __attribute__((availability(macosx,strict,introduced=10.12)))             \
1399
     __attribute__((availability(ios,strict,introduced=10.0)))                 \
1400
     __attribute__((availability(tvos,strict,introduced=10.0)))                \
1401
     __attribute__((availability(watchos,strict,introduced=3.0)))
1402
#  define _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE                                \
1403
     __attribute__((availability(macosx,strict,introduced=10.12)))             \
1404
     __attribute__((availability(ios,strict,introduced=10.0)))                 \
1405
     __attribute__((availability(tvos,strict,introduced=10.0)))                \
1406
     __attribute__((availability(watchos,strict,introduced=3.0)))
1407
#  define _LIBCPP_AVAILABILITY_FUTURE_ERROR                                    \
1408
     __attribute__((availability(ios,strict,introduced=6.0)))
1409
#  define _LIBCPP_AVAILABILITY_TYPEINFO_VTABLE                                 \
1410
     __attribute__((availability(macosx,strict,introduced=10.9)))              \
1411
     __attribute__((availability(ios,strict,introduced=7.0)))
1412
#  define _LIBCPP_AVAILABILITY_LOCALE_CATEGORY                                 \
1413
     __attribute__((availability(macosx,strict,introduced=10.9)))              \
1414
     __attribute__((availability(ios,strict,introduced=7.0)))
1415
#  define _LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR                               \
1416
     __attribute__((availability(macosx,strict,introduced=10.9)))              \
1417
     __attribute__((availability(ios,strict,introduced=7.0)))
1418
#  define _LIBCPP_AVAILABILITY_FILESYSTEM                                      \
1419
     __attribute__((availability(macosx,strict,introduced=10.15)))             \
1420
     __attribute__((availability(ios,strict,introduced=13.0)))                 \
1421
     __attribute__((availability(tvos,strict,introduced=13.0)))                \
1422
     __attribute__((availability(watchos,strict,introduced=6.0)))
1423
#  define _LIBCPP_AVAILABILITY_FILESYSTEM_PUSH                                 \
1424
     _Pragma("clang attribute push(__attribute__((availability(macosx,strict,introduced=10.15))), apply_to=any(function,record))") \
1425
     _Pragma("clang attribute push(__attribute__((availability(ios,strict,introduced=13.0))), apply_to=any(function,record))")     \
1426
     _Pragma("clang attribute push(__attribute__((availability(tvos,strict,introduced=13.0))), apply_to=any(function,record))")    \
1427
     _Pragma("clang attribute push(__attribute__((availability(watchos,strict,introduced=6.0))), apply_to=any(function,record))")
1428
#  define _LIBCPP_AVAILABILITY_FILESYSTEM_POP                                  \
1429
     _Pragma("clang attribute pop")                                            \
1430
     _Pragma("clang attribute pop")                                            \
1431
     _Pragma("clang attribute pop")                                            \
1432
     _Pragma("clang attribute pop")
1433
#  define _LIBCPP_AVAILABILITY_TO_CHARS                                        \
1434
     _LIBCPP_AVAILABILITY_FILESYSTEM
1435
#  define _LIBCPP_AVAILABILITY_SYNC                                            \
1436
     __attribute__((availability(unavailable, message="The C++20 Synchronization Library requires runtime support that hasn't been shipped on Apple platforms yet!")))
1437
#else
1438
#  define _LIBCPP_AVAILABILITY_SHARED_MUTEX
1439
#  define _LIBCPP_AVAILABILITY_BAD_VARIANT_ACCESS
1440
#  define _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS
1441
#  define _LIBCPP_AVAILABILITY_BAD_ANY_CAST
1442
#  define _LIBCPP_AVAILABILITY_UNCAUGHT_EXCEPTIONS
1443
#  define _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE
1444
#  define _LIBCPP_AVAILABILITY_FUTURE_ERROR
1445
#  define _LIBCPP_AVAILABILITY_TYPEINFO_VTABLE
1446
#  define _LIBCPP_AVAILABILITY_LOCALE_CATEGORY
1447
#  define _LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR
1448
#  define _LIBCPP_AVAILABILITY_FILESYSTEM
1449
#  define _LIBCPP_AVAILABILITY_FILESYSTEM_PUSH
1450
#  define _LIBCPP_AVAILABILITY_FILESYSTEM_POP
1451
#  define _LIBCPP_AVAILABILITY_TO_CHARS
1452
#  define _LIBCPP_AVAILABILITY_SYNC
1453
#endif
1454
1455
// Define availability that depends on _LIBCPP_NO_EXCEPTIONS.
1456
#ifdef _LIBCPP_NO_EXCEPTIONS
1457
#  define _LIBCPP_AVAILABILITY_FUTURE
1458
#  define _LIBCPP_AVAILABILITY_THROW_BAD_ANY_CAST
1459
#  define _LIBCPP_AVAILABILITY_THROW_BAD_OPTIONAL_ACCESS
1460
#  define _LIBCPP_AVAILABILITY_THROW_BAD_VARIANT_ACCESS
1461
#else
1462
#  define _LIBCPP_AVAILABILITY_FUTURE                    _LIBCPP_AVAILABILITY_FUTURE_ERROR
1463
#  define _LIBCPP_AVAILABILITY_THROW_BAD_ANY_CAST        _LIBCPP_AVAILABILITY_BAD_ANY_CAST
1464
#  define _LIBCPP_AVAILABILITY_THROW_BAD_OPTIONAL_ACCESS _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS
1465
#  define _LIBCPP_AVAILABILITY_THROW_BAD_VARIANT_ACCESS  _LIBCPP_AVAILABILITY_BAD_VARIANT_ACCESS
1466
#endif
1467
1468
// The stream API was dropped and re-added in the dylib shipped on macOS
1469
// and iOS. We can only assume the dylib to provide these definitions for
1470
// macosx >= 10.9 and ios >= 7.0. Otherwise, the definitions are available
1471
// from the headers, but not from the dylib. Explicit instantiation
1472
// declarations for streams exist conditionally to this; if we provide
1473
// an explicit instantiation declaration and we try to deploy to a dylib
1474
// that does not provide those symbols, we'll get a load-time error.
1475
#if !defined(_LIBCPP_BUILDING_LIBRARY) &&                                      \
1476
    ((defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) &&                \
1477
      __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1090) ||                 \
1478
     (defined(__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__) &&               \
1479
      __ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__ < 70000))
1480
#  define _LIBCPP_DO_NOT_ASSUME_STREAMS_EXPLICIT_INSTANTIATION_IN_DYLIB
1481
#endif
1482
1483
#if defined(_LIBCPP_COMPILER_IBM)
1484
#define _LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO
1485
#endif
1486
1487
#if defined(_LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO)
1488
#  define _LIBCPP_PUSH_MACROS
1489
#  define _LIBCPP_POP_MACROS
1490
#else
1491
  // Don't warn about macro conflicts when we can restore them at the
1492
  // end of the header.
1493
#  ifndef _LIBCPP_DISABLE_MACRO_CONFLICT_WARNINGS
1494
#    define _LIBCPP_DISABLE_MACRO_CONFLICT_WARNINGS
1495
#  endif
1496
#  if defined(_LIBCPP_COMPILER_MSVC)
1497
#    define _LIBCPP_PUSH_MACROS    \
1498
       __pragma(push_macro("min")) \
1499
       __pragma(push_macro("max"))
1500
#    define _LIBCPP_POP_MACROS     \
1501
       __pragma(pop_macro("min"))  \
1502
       __pragma(pop_macro("max"))
1503
#  else
1504
#    define _LIBCPP_PUSH_MACROS        \
1505
       _Pragma("push_macro(\"min\")")  \
1506
       _Pragma("push_macro(\"max\")")
1507
#    define _LIBCPP_POP_MACROS         \
1508
       _Pragma("pop_macro(\"min\")")   \
1509
       _Pragma("pop_macro(\"max\")")
1510
#  endif
1511
#endif // defined(_LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO)
1512
1513
#ifndef _LIBCPP_NO_AUTO_LINK
1514
#  if defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_BUILDING_LIBRARY)
1515
#    if defined(_DLL)
1516
#      pragma comment(lib, "c++.lib")
1517
#    else
1518
#      pragma comment(lib, "libc++.lib")
1519
#    endif
1520
#  endif // defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_BUILDING_LIBRARY)
1521
#endif // _LIBCPP_NO_AUTO_LINK
1522
1523
#define _LIBCPP_UNUSED_VAR(x) ((void)(x))
1524
1525
// Configures the fopen close-on-exec mode character, if any. This string will
1526
// be appended to any mode string used by fstream for fopen/fdopen.
1527
//
1528
// Not all platforms support this, but it helps avoid fd-leaks on platforms that
1529
// do.
1530
#if defined(__BIONIC__)
1531
#  define _LIBCPP_FOPEN_CLOEXEC_MODE "e"
1532
#else
1533
#  define _LIBCPP_FOPEN_CLOEXEC_MODE
1534
#endif
1535
1536
#endif // __cplusplus
1537
1538
#endif // _LIBCPP_CONFIG