forked from OSchip/llvm-project
1319 lines
41 KiB
C++
1319 lines
41 KiB
C++
// -*- C++ -*-
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//===--------------------------- __config ---------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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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 7000
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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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#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" exclusivly.
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# define _LIBCPP_ABI_VARIANT_INDEX_TYPE_OPTIMIZATION
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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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#define _LIBCPP_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION)
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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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#ifdef __has_include
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# define __libcpp_has_include(__x) __has_include(__x)
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#else
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# define __libcpp_has_include(__x) 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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#ifndef _LIBCPP_CLANG_VER
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#define _LIBCPP_CLANG_VER 0
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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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// 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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# 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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# define _LIBCPP_HAS_QUICK_EXIT
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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 enviroment
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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__)
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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 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.
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#if (defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && \
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(!defined(__arm__) || __ARM_ARCH_7K__ >= 2)) || \
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defined(_LIBCPP_ALTERNATE_STRING_LAYOUT)
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#define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
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#endif
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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)
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#else
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# define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
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# define _ALIGNAS(x) __attribute__((__aligned__(x)))
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#endif
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#if __cplusplus < 201103L
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typedef __char16_t char16_t;
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typedef __char32_t char32_t;
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#endif
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#if !(__has_feature(cxx_exceptions)) && !defined(_LIBCPP_NO_EXCEPTIONS)
|
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#define _LIBCPP_NO_EXCEPTIONS
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#endif
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#if !(__has_feature(cxx_rtti)) && !defined(_LIBCPP_NO_RTTI)
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#define _LIBCPP_NO_RTTI
|
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#endif
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#if !(__has_feature(cxx_strong_enums))
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#define _LIBCPP_HAS_NO_STRONG_ENUMS
|
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#endif
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|
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#if !(__has_feature(cxx_decltype))
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#define _LIBCPP_HAS_NO_DECLTYPE
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#endif
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|
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#if __has_feature(cxx_attributes)
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# define _LIBCPP_NORETURN [[noreturn]]
|
|
#else
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|
# define _LIBCPP_NORETURN __attribute__ ((noreturn))
|
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#endif
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|
|
#if !(__has_feature(cxx_lambdas))
|
|
#define _LIBCPP_HAS_NO_LAMBDAS
|
|
#endif
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|
|
#if !(__has_feature(cxx_nullptr))
|
|
# if (__has_extension(cxx_nullptr) || __has_keyword(__nullptr)) && defined(_LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR)
|
|
# define nullptr __nullptr
|
|
# else
|
|
# define _LIBCPP_HAS_NO_NULLPTR
|
|
# endif
|
|
#endif
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|
|
#if !(__has_feature(cxx_rvalue_references))
|
|
#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
#endif
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|
|
#if !(__has_feature(cxx_auto_type))
|
|
#define _LIBCPP_HAS_NO_AUTO_TYPE
|
|
#endif
|
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|
|
#if !(__has_feature(cxx_variadic_templates))
|
|
#define _LIBCPP_HAS_NO_VARIADICS
|
|
#endif
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|
|
#if !(__has_feature(cxx_generalized_initializers))
|
|
#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
#endif
|
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|
|
#if __has_feature(is_base_of)
|
|
#define _LIBCPP_HAS_IS_BASE_OF
|
|
#endif
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|
|
|
#if __has_feature(is_final)
|
|
#define _LIBCPP_HAS_IS_FINAL
|
|
#endif
|
|
|
|
// Objective-C++ features (opt-in)
|
|
#if __has_feature(objc_arc)
|
|
#define _LIBCPP_HAS_OBJC_ARC
|
|
#endif
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|
|
#if __has_feature(objc_arc_weak)
|
|
#define _LIBCPP_HAS_OBJC_ARC_WEAK
|
|
#endif
|
|
|
|
#if !(__has_feature(cxx_constexpr))
|
|
#define _LIBCPP_HAS_NO_CONSTEXPR
|
|
#endif
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|
|
|
#if !(__has_feature(cxx_relaxed_constexpr))
|
|
#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
|
|
#endif
|
|
|
|
#if !(__has_feature(cxx_variable_templates))
|
|
#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
|
|
#endif
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|
|
|
#if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L
|
|
# if defined(__FreeBSD__)
|
|
# define _LIBCPP_HAS_QUICK_EXIT
|
|
# define _LIBCPP_HAS_C11_FEATURES
|
|
# elif defined(__Fuchsia__)
|
|
# define _LIBCPP_HAS_QUICK_EXIT
|
|
# define _LIBCPP_HAS_C11_FEATURES
|
|
# elif defined(__linux__)
|
|
# if !defined(_LIBCPP_HAS_MUSL_LIBC)
|
|
# if _LIBCPP_GLIBC_PREREQ(2, 15) || defined(__BIONIC__)
|
|
# define _LIBCPP_HAS_QUICK_EXIT
|
|
# endif
|
|
# if _LIBCPP_GLIBC_PREREQ(2, 17)
|
|
# define _LIBCPP_HAS_C11_FEATURES
|
|
# endif
|
|
# else // defined(_LIBCPP_HAS_MUSL_LIBC)
|
|
# define _LIBCPP_HAS_QUICK_EXIT
|
|
# define _LIBCPP_HAS_C11_FEATURES
|
|
# endif
|
|
# endif // __linux__
|
|
#endif
|
|
|
|
#if !(__has_feature(cxx_noexcept))
|
|
#define _LIBCPP_HAS_NO_NOEXCEPT
|
|
#endif
|
|
|
|
#if __has_feature(underlying_type)
|
|
#define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T)
|
|
#endif
|
|
|
|
#if __has_feature(is_literal)
|
|
#define _LIBCPP_IS_LITERAL(T) __is_literal(T)
|
|
#endif
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|
|
// Inline namespaces are available in Clang regardless of C++ dialect.
|
|
#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
|
|
#define _LIBCPP_END_NAMESPACE_STD } }
|
|
#define _VSTD std::_LIBCPP_NAMESPACE
|
|
|
|
namespace std {
|
|
inline namespace _LIBCPP_NAMESPACE {
|
|
}
|
|
}
|
|
|
|
#if !defined(_LIBCPP_HAS_NO_ASAN) && !__has_feature(address_sanitizer)
|
|
#define _LIBCPP_HAS_NO_ASAN
|
|
#endif
|
|
|
|
// Allow for build-time disabling of unsigned integer sanitization
|
|
#if !defined(_LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK) && __has_attribute(no_sanitize)
|
|
#define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute__((__no_sanitize__("unsigned-integer-overflow")))
|
|
#endif
|
|
|
|
#if __has_builtin(__builtin_launder)
|
|
#define _LIBCPP_COMPILER_HAS_BUILTIN_LAUNDER
|
|
#endif
|
|
|
|
#if !__is_identifier(__has_unique_object_representations)
|
|
#define _LIBCPP_HAS_UNIQUE_OBJECT_REPRESENTATIONS
|
|
#endif
|
|
|
|
#elif defined(_LIBCPP_COMPILER_GCC)
|
|
|
|
#define _ALIGNAS(x) __attribute__((__aligned__(x)))
|
|
#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
|
|
|
|
#define _LIBCPP_NORETURN __attribute__((noreturn))
|
|
|
|
#if _GNUC_VER >= 407
|
|
#define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T)
|
|
#define _LIBCPP_IS_LITERAL(T) __is_literal_type(T)
|
|
#define _LIBCPP_HAS_IS_FINAL
|
|
#endif
|
|
|
|
#if defined(__GNUC__) && _GNUC_VER >= 403
|
|
#define _LIBCPP_HAS_IS_BASE_OF
|
|
#endif
|
|
|
|
#if !__EXCEPTIONS
|
|
#define _LIBCPP_NO_EXCEPTIONS
|
|
#endif
|
|
|
|
// constexpr was added to GCC in 4.6.
|
|
#if _GNUC_VER < 406
|
|
# define _LIBCPP_HAS_NO_CONSTEXPR
|
|
// Can only use constexpr in c++11 mode.
|
|
#elif !defined(__GXX_EXPERIMENTAL_CXX0X__) && __cplusplus < 201103L
|
|
# define _LIBCPP_HAS_NO_CONSTEXPR
|
|
#endif
|
|
|
|
// Determine if GCC supports relaxed constexpr
|
|
#if !defined(__cpp_constexpr) || __cpp_constexpr < 201304L
|
|
#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
|
|
#endif
|
|
|
|
// GCC 5 will support variable templates
|
|
#if !defined(__cpp_variable_templates) || __cpp_variable_templates < 201304L
|
|
#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
|
|
#endif
|
|
|
|
#ifndef __GXX_EXPERIMENTAL_CXX0X__
|
|
|
|
#define _LIBCPP_HAS_NO_DECLTYPE
|
|
#define _LIBCPP_HAS_NO_NULLPTR
|
|
#define _LIBCPP_HAS_NO_UNICODE_CHARS
|
|
#define _LIBCPP_HAS_NO_VARIADICS
|
|
#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
#define _LIBCPP_HAS_NO_STRONG_ENUMS
|
|
#define _LIBCPP_HAS_NO_NOEXCEPT
|
|
|
|
#else // __GXX_EXPERIMENTAL_CXX0X__
|
|
|
|
#if _GNUC_VER < 403
|
|
#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
#endif
|
|
|
|
|
|
#if _GNUC_VER < 404
|
|
#define _LIBCPP_HAS_NO_DECLTYPE
|
|
#define _LIBCPP_HAS_NO_UNICODE_CHARS
|
|
#define _LIBCPP_HAS_NO_VARIADICS
|
|
#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
#endif // _GNUC_VER < 404
|
|
|
|
#if _GNUC_VER < 406
|
|
#define _LIBCPP_HAS_NO_NOEXCEPT
|
|
#define _LIBCPP_HAS_NO_NULLPTR
|
|
#endif
|
|
|
|
#endif // __GXX_EXPERIMENTAL_CXX0X__
|
|
|
|
#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { inline namespace _LIBCPP_NAMESPACE {
|
|
#define _LIBCPP_END_NAMESPACE_STD } }
|
|
#define _VSTD std::_LIBCPP_NAMESPACE
|
|
|
|
namespace std {
|
|
inline namespace _LIBCPP_NAMESPACE {
|
|
}
|
|
}
|
|
|
|
#if !defined(_LIBCPP_HAS_NO_ASAN) && !defined(__SANITIZE_ADDRESS__)
|
|
#define _LIBCPP_HAS_NO_ASAN
|
|
#endif
|
|
|
|
#if _GNUC_VER >= 700
|
|
#define _LIBCPP_COMPILER_HAS_BUILTIN_LAUNDER
|
|
#endif
|
|
|
|
#if _GNUC_VER >= 700
|
|
#define _LIBCPP_HAS_UNIQUE_OBJECT_REPRESENTATIONS
|
|
#endif
|
|
|
|
#elif defined(_LIBCPP_COMPILER_MSVC)
|
|
|
|
#define _LIBCPP_TOSTRING2(x) #x
|
|
#define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x)
|
|
#define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x))
|
|
|
|
#if _MSC_VER < 1900
|
|
#error "MSVC versions prior to Visual Studio 2015 are not supported"
|
|
#endif
|
|
|
|
#define _LIBCPP_HAS_IS_BASE_OF
|
|
#define _LIBCPP_HAS_NO_CONSTEXPR
|
|
#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
|
|
#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
|
|
#if _MSC_VER <= 1800
|
|
#define _LIBCPP_HAS_NO_UNICODE_CHARS
|
|
#endif
|
|
#define _LIBCPP_HAS_NO_NOEXCEPT
|
|
#define __alignof__ __alignof
|
|
#define _LIBCPP_NORETURN __declspec(noreturn)
|
|
#define _ALIGNAS(x) __declspec(align(x))
|
|
#define _ALIGNAS_TYPE(x) alignas(x)
|
|
#define _LIBCPP_HAS_NO_VARIADICS
|
|
|
|
#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {
|
|
#define _LIBCPP_END_NAMESPACE_STD }
|
|
#define _VSTD std
|
|
|
|
namespace std {
|
|
}
|
|
|
|
#define _LIBCPP_WEAK
|
|
|
|
#define _LIBCPP_HAS_NO_ASAN
|
|
|
|
#elif defined(_LIBCPP_COMPILER_IBM)
|
|
|
|
#define _ALIGNAS(x) __attribute__((__aligned__(x)))
|
|
#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
|
|
#define _ATTRIBUTE(x) __attribute__((x))
|
|
#define _LIBCPP_NORETURN __attribute__((noreturn))
|
|
|
|
#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
#define _LIBCPP_HAS_NO_NOEXCEPT
|
|
#define _LIBCPP_HAS_NO_NULLPTR
|
|
#define _LIBCPP_HAS_NO_UNICODE_CHARS
|
|
#define _LIBCPP_HAS_IS_BASE_OF
|
|
#define _LIBCPP_HAS_IS_FINAL
|
|
#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
|
|
|
|
#if defined(_AIX)
|
|
#define __MULTILOCALE_API
|
|
#endif
|
|
|
|
#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
|
|
#define _LIBCPP_END_NAMESPACE_STD } }
|
|
#define _VSTD std::_LIBCPP_NAMESPACE
|
|
|
|
namespace std {
|
|
inline namespace _LIBCPP_NAMESPACE {
|
|
}
|
|
}
|
|
|
|
#define _LIBCPP_HAS_NO_ASAN
|
|
|
|
#endif // _LIBCPP_COMPILER_[CLANG|GCC|MSVC|IBM]
|
|
|
|
#if defined(_LIBCPP_OBJECT_FORMAT_COFF)
|
|
|
|
#ifdef _DLL
|
|
# define _LIBCPP_CRT_FUNC __declspec(dllimport)
|
|
#else
|
|
# define _LIBCPP_CRT_FUNC
|
|
#endif
|
|
|
|
#if defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
|
|
# define _LIBCPP_DLL_VIS
|
|
# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
|
|
# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
|
|
# define _LIBCPP_OVERRIDABLE_FUNC_VIS
|
|
#elif defined(_LIBCPP_BUILDING_LIBRARY)
|
|
# define _LIBCPP_DLL_VIS __declspec(dllexport)
|
|
# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
|
|
# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS _LIBCPP_DLL_VIS
|
|
# define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_DLL_VIS
|
|
#else
|
|
# define _LIBCPP_DLL_VIS __declspec(dllimport)
|
|
# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DLL_VIS
|
|
# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
|
|
# define _LIBCPP_OVERRIDABLE_FUNC_VIS
|
|
#endif
|
|
|
|
#define _LIBCPP_TYPE_VIS _LIBCPP_DLL_VIS
|
|
#define _LIBCPP_FUNC_VIS _LIBCPP_DLL_VIS
|
|
#define _LIBCPP_EXTERN_VIS _LIBCPP_DLL_VIS
|
|
#define _LIBCPP_EXCEPTION_ABI _LIBCPP_DLL_VIS
|
|
#define _LIBCPP_HIDDEN
|
|
#define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
|
|
#define _LIBCPP_TEMPLATE_VIS
|
|
#define _LIBCPP_ENUM_VIS
|
|
|
|
#if defined(_LIBCPP_COMPILER_MSVC)
|
|
# define _LIBCPP_INLINE_VISIBILITY __forceinline
|
|
# define _LIBCPP_ALWAYS_INLINE __forceinline
|
|
# define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __forceinline
|
|
#else
|
|
# define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__))
|
|
# define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__))
|
|
# define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__ ((__always_inline__))
|
|
#endif
|
|
|
|
#endif // defined(_LIBCPP_OBJECT_FORMAT_COFF)
|
|
|
|
#ifndef _LIBCPP_HIDDEN
|
|
# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
|
|
# define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden")))
|
|
# else
|
|
# define _LIBCPP_HIDDEN
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
|
|
# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
|
|
// The inline should be removed once PR32114 is resolved
|
|
# define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS inline _LIBCPP_HIDDEN
|
|
# else
|
|
# define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef _LIBCPP_FUNC_VIS
|
|
# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
|
|
# define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default")))
|
|
# else
|
|
# define _LIBCPP_FUNC_VIS
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef _LIBCPP_TYPE_VIS
|
|
# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
|
|
# define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default")))
|
|
# else
|
|
# define _LIBCPP_TYPE_VIS
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef _LIBCPP_TEMPLATE_VIS
|
|
# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
|
|
# if __has_attribute(__type_visibility__)
|
|
# define _LIBCPP_TEMPLATE_VIS __attribute__ ((__type_visibility__("default")))
|
|
# else
|
|
# define _LIBCPP_TEMPLATE_VIS __attribute__ ((__visibility__("default")))
|
|
# endif
|
|
# else
|
|
# define _LIBCPP_TEMPLATE_VIS
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef _LIBCPP_EXTERN_VIS
|
|
#define _LIBCPP_EXTERN_VIS
|
|
#endif
|
|
|
|
#ifndef _LIBCPP_OVERRIDABLE_FUNC_VIS
|
|
#define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_FUNC_VIS
|
|
#endif
|
|
|
|
#ifndef _LIBCPP_EXCEPTION_ABI
|
|
# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
|
|
# define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default")))
|
|
# else
|
|
# define _LIBCPP_EXCEPTION_ABI
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef _LIBCPP_ENUM_VIS
|
|
# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__)
|
|
# define _LIBCPP_ENUM_VIS __attribute__ ((__type_visibility__("default")))
|
|
# else
|
|
# define _LIBCPP_ENUM_VIS
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
|
|
# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__)
|
|
# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __attribute__ ((__visibility__("default")))
|
|
# else
|
|
# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
|
|
#define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS
|
|
#endif
|
|
|
|
#ifndef _LIBCPP_INLINE_VISIBILITY
|
|
# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
|
|
# define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__))
|
|
# else
|
|
# define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__))
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef _LIBCPP_ALWAYS_INLINE
|
|
# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
|
|
# define _LIBCPP_ALWAYS_INLINE __attribute__ ((__visibility__("hidden"), __always_inline__))
|
|
# else
|
|
# define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__))
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY
|
|
# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS)
|
|
# define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__((__visibility__("default"), __always_inline__))
|
|
# else
|
|
# define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__((__always_inline__))
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef _LIBCPP_PREFERRED_OVERLOAD
|
|
# if __has_attribute(__enable_if__)
|
|
# define _LIBCPP_PREFERRED_OVERLOAD __attribute__ ((__enable_if__(true, "")))
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef _LIBCPP_HAS_NO_NOEXCEPT
|
|
# define _NOEXCEPT noexcept
|
|
# define _NOEXCEPT_(x) noexcept(x)
|
|
#else
|
|
# define _NOEXCEPT throw()
|
|
# define _NOEXCEPT_(x)
|
|
#endif
|
|
|
|
#if defined(_LIBCPP_DEBUG_USE_EXCEPTIONS)
|
|
# if !defined(_LIBCPP_DEBUG)
|
|
# error cannot use _LIBCPP_DEBUG_USE_EXCEPTIONS unless _LIBCPP_DEBUG is defined
|
|
# endif
|
|
# ifdef _LIBCPP_HAS_NO_NOEXCEPT
|
|
# define _NOEXCEPT_DEBUG
|
|
# define _NOEXCEPT_DEBUG_(x)
|
|
# else
|
|
# define _NOEXCEPT_DEBUG noexcept(false)
|
|
# define _NOEXCEPT_DEBUG_(x) noexcept(false)
|
|
# endif
|
|
#else
|
|
# define _NOEXCEPT_DEBUG _NOEXCEPT
|
|
# define _NOEXCEPT_DEBUG_(x) _NOEXCEPT_(x)
|
|
#endif
|
|
|
|
#ifdef _LIBCPP_HAS_NO_UNICODE_CHARS
|
|
typedef unsigned short char16_t;
|
|
typedef unsigned int char32_t;
|
|
#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
|
|
|
|
#ifndef __SIZEOF_INT128__
|
|
#define _LIBCPP_HAS_NO_INT128
|
|
#endif
|
|
|
|
#ifdef _LIBCPP_CXX03_LANG
|
|
# if __has_extension(c_static_assert)
|
|
# define static_assert(__b, __m) _Static_assert(__b, __m)
|
|
# else
|
|
extern "C++" {
|
|
template <bool> struct __static_assert_test;
|
|
template <> struct __static_assert_test<true> {};
|
|
template <unsigned> struct __static_assert_check {};
|
|
}
|
|
# define static_assert(__b, __m) \
|
|
typedef __static_assert_check<sizeof(__static_assert_test<(__b)>)> \
|
|
_LIBCPP_CONCAT(__t, __LINE__)
|
|
# endif // __has_extension(c_static_assert)
|
|
#endif // _LIBCPP_CXX03_LANG
|
|
|
|
#ifdef _LIBCPP_HAS_NO_DECLTYPE
|
|
// GCC 4.6 provides __decltype in all standard modes.
|
|
# if __has_keyword(__decltype) || _LIBCPP_CLANG_VER >= 304 || _GNUC_VER >= 406
|
|
# define decltype(__x) __decltype(__x)
|
|
# else
|
|
# define decltype(__x) __typeof__(__x)
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef _LIBCPP_HAS_NO_CONSTEXPR
|
|
# define _LIBCPP_CONSTEXPR
|
|
#else
|
|
# define _LIBCPP_CONSTEXPR constexpr
|
|
#endif
|
|
|
|
#ifdef _LIBCPP_CXX03_LANG
|
|
# define _LIBCPP_DEFAULT {}
|
|
#else
|
|
# define _LIBCPP_DEFAULT = default;
|
|
#endif
|
|
|
|
#ifdef _LIBCPP_CXX03_LANG
|
|
# define _LIBCPP_EQUAL_DELETE
|
|
#else
|
|
# define _LIBCPP_EQUAL_DELETE = delete
|
|
#endif
|
|
|
|
#ifdef __GNUC__
|
|
# define _NOALIAS __attribute__((__malloc__))
|
|
#else
|
|
# define _NOALIAS
|
|
#endif
|
|
|
|
#if __has_feature(cxx_explicit_conversions) || defined(__IBMCPP__) || \
|
|
(!defined(_LIBCPP_CXX03_LANG) && defined(__GNUC__)) // All supported GCC versions
|
|
# define _LIBCPP_EXPLICIT explicit
|
|
#else
|
|
# define _LIBCPP_EXPLICIT
|
|
#endif
|
|
|
|
#if !__has_builtin(__builtin_operator_new) || !__has_builtin(__builtin_operator_delete)
|
|
#define _LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE
|
|
#endif
|
|
|
|
#ifdef _LIBCPP_HAS_NO_STRONG_ENUMS
|
|
# define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx
|
|
# define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \
|
|
__lx __v_; \
|
|
_LIBCPP_ALWAYS_INLINE x(__lx __v) : __v_(__v) {} \
|
|
_LIBCPP_ALWAYS_INLINE explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \
|
|
_LIBCPP_ALWAYS_INLINE operator int() const {return __v_;} \
|
|
};
|
|
#else // _LIBCPP_HAS_NO_STRONG_ENUMS
|
|
# define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_ENUM_VIS x
|
|
# define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x)
|
|
#endif // _LIBCPP_HAS_NO_STRONG_ENUMS
|
|
|
|
#ifdef _LIBCPP_DEBUG
|
|
# if _LIBCPP_DEBUG == 0
|
|
# define _LIBCPP_DEBUG_LEVEL 1
|
|
# elif _LIBCPP_DEBUG == 1
|
|
# define _LIBCPP_DEBUG_LEVEL 2
|
|
# else
|
|
# error Supported values for _LIBCPP_DEBUG are 0 and 1
|
|
# endif
|
|
# if !defined(_LIBCPP_BUILDING_LIBRARY)
|
|
# define _LIBCPP_EXTERN_TEMPLATE(...)
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef _LIBCPP_DISABLE_EXTERN_TEMPLATE
|
|
#define _LIBCPP_EXTERN_TEMPLATE(...)
|
|
#define _LIBCPP_EXTERN_TEMPLATE2(...)
|
|
#endif
|
|
|
|
#ifndef _LIBCPP_EXTERN_TEMPLATE
|
|
#define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
|
|
#endif
|
|
|
|
#ifndef _LIBCPP_EXTERN_TEMPLATE2
|
|
#define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__;
|
|
#endif
|
|
|
|
#if defined(__APPLE__) && defined(__LP64__) && !defined(__x86_64__)
|
|
#define _LIBCPP_NONUNIQUE_RTTI_BIT (1ULL << 63)
|
|
#endif
|
|
|
|
#if defined(__APPLE__) || defined(__FreeBSD__) || defined(_LIBCPP_MSVCRT_LIKE) || \
|
|
defined(__sun__) || defined(__NetBSD__) || defined(__CloudABI__)
|
|
#define _LIBCPP_LOCALE__L_EXTENSIONS 1
|
|
#endif
|
|
|
|
#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
|
|
// Most unix variants have catopen. These are the specific ones that don't.
|
|
# if !defined(__BIONIC__) && !defined(_NEWLIB_VERSION)
|
|
# define _LIBCPP_HAS_CATOPEN 1
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef __FreeBSD__
|
|
#define _DECLARE_C99_LDBL_MATH 1
|
|
#endif
|
|
|
|
#if defined(__APPLE__)
|
|
# if !defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && \
|
|
defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__)
|
|
# define __MAC_OS_X_VERSION_MIN_REQUIRED __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__
|
|
# endif
|
|
# if defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
|
|
# if __MAC_OS_X_VERSION_MIN_REQUIRED < 1060
|
|
# define _LIBCPP_HAS_NO_ALIGNED_ALLOCATION
|
|
# endif
|
|
# endif
|
|
#endif // defined(__APPLE__)
|
|
|
|
#if defined(__APPLE__) || defined(__FreeBSD__)
|
|
#define _LIBCPP_HAS_DEFAULTRUNELOCALE
|
|
#endif
|
|
|
|
#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__)
|
|
#define _LIBCPP_WCTYPE_IS_MASK
|
|
#endif
|
|
|
|
#ifndef _LIBCPP_STD_VER
|
|
# if __cplusplus <= 201103L
|
|
# define _LIBCPP_STD_VER 11
|
|
# elif __cplusplus <= 201402L
|
|
# define _LIBCPP_STD_VER 14
|
|
# elif __cplusplus <= 201703L
|
|
# define _LIBCPP_STD_VER 17
|
|
# else
|
|
# define _LIBCPP_STD_VER 18 // current year, or date of c++2a ratification
|
|
# endif
|
|
#endif // _LIBCPP_STD_VER
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
# define _LIBCPP_DEPRECATED [[deprecated]]
|
|
#else
|
|
# define _LIBCPP_DEPRECATED
|
|
#endif
|
|
|
|
#if _LIBCPP_STD_VER <= 11
|
|
# define _LIBCPP_EXPLICIT_AFTER_CXX11
|
|
# define _LIBCPP_DEPRECATED_AFTER_CXX11
|
|
#else
|
|
# define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit
|
|
# define _LIBCPP_DEPRECATED_AFTER_CXX11 [[deprecated]]
|
|
#endif
|
|
|
|
#if _LIBCPP_STD_VER > 11 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR)
|
|
# define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr
|
|
#else
|
|
# define _LIBCPP_CONSTEXPR_AFTER_CXX11
|
|
#endif
|
|
|
|
#if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR)
|
|
# define _LIBCPP_CONSTEXPR_AFTER_CXX14 constexpr
|
|
#else
|
|
# define _LIBCPP_CONSTEXPR_AFTER_CXX14
|
|
#endif
|
|
|
|
#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR)
|
|
# define _LIBCPP_CONSTEXPR_AFTER_CXX17 constexpr
|
|
#else
|
|
# define _LIBCPP_CONSTEXPR_AFTER_CXX17
|
|
#endif
|
|
|
|
#if __has_cpp_attribute(nodiscard) && _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_DISABLE_NODISCARD_AFTER_CXX17)
|
|
# define _LIBCPP_NODISCARD_AFTER_CXX17 [[nodiscard]]
|
|
#else
|
|
# define _LIBCPP_NODISCARD_AFTER_CXX17
|
|
#endif
|
|
|
|
#if _LIBCPP_STD_VER > 14 && defined(__cpp_inline_variables) && (__cpp_inline_variables >= 201606L)
|
|
# define _LIBCPP_INLINE_VAR inline
|
|
#else
|
|
# define _LIBCPP_INLINE_VAR
|
|
#endif
|
|
|
|
#ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
# define _LIBCPP_EXPLICIT_MOVE(x) _VSTD::move(x)
|
|
#else
|
|
# define _LIBCPP_EXPLICIT_MOVE(x) (x)
|
|
#endif
|
|
|
|
#ifndef _LIBCPP_HAS_NO_ASAN
|
|
_LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container(
|
|
const void *, const void *, const void *, const void *);
|
|
#endif
|
|
|
|
// Try to find out if RTTI is disabled.
|
|
// g++ and cl.exe have RTTI on by default and define a macro when it is.
|
|
// g++ only defines the macro in 4.3.2 and onwards.
|
|
#if !defined(_LIBCPP_NO_RTTI)
|
|
# if defined(__GNUC__) && \
|
|
((__GNUC__ >= 5) || \
|
|
(__GNUC__ == 4 && (__GNUC_MINOR__ >= 3 || __GNUC_PATCHLEVEL__ >= 2))) && \
|
|
!defined(__GXX_RTTI)
|
|
# define _LIBCPP_NO_RTTI
|
|
# elif defined(_LIBCPP_COMPILER_MSVC) && !defined(_CPPRTTI)
|
|
# define _LIBCPP_NO_RTTI
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef _LIBCPP_WEAK
|
|
#define _LIBCPP_WEAK __attribute__((__weak__))
|
|
#endif
|
|
|
|
// Thread API
|
|
#if !defined(_LIBCPP_HAS_NO_THREADS) && \
|
|
!defined(_LIBCPP_HAS_THREAD_API_PTHREAD) && \
|
|
!defined(_LIBCPP_HAS_THREAD_API_WIN32) && \
|
|
!defined(_LIBCPP_HAS_THREAD_API_EXTERNAL)
|
|
# if defined(__FreeBSD__) || \
|
|
defined(__Fuchsia__) || \
|
|
defined(__NetBSD__) || \
|
|
defined(__linux__) || \
|
|
defined(__APPLE__) || \
|
|
defined(__CloudABI__) || \
|
|
defined(__sun__) || \
|
|
(defined(__MINGW32__) && __libcpp_has_include(<pthread.h>))
|
|
# define _LIBCPP_HAS_THREAD_API_PTHREAD
|
|
# elif defined(_LIBCPP_WIN32API)
|
|
# define _LIBCPP_HAS_THREAD_API_WIN32
|
|
# else
|
|
# error "No thread API"
|
|
# endif // _LIBCPP_HAS_THREAD_API
|
|
#endif // _LIBCPP_HAS_NO_THREADS
|
|
|
|
#if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_PTHREAD)
|
|
#error _LIBCPP_HAS_THREAD_API_PTHREAD may only be defined when \
|
|
_LIBCPP_HAS_NO_THREADS is not defined.
|
|
#endif
|
|
|
|
#if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_EXTERNAL)
|
|
#error _LIBCPP_HAS_THREAD_API_EXTERNAL may not be defined when \
|
|
_LIBCPP_HAS_NO_THREADS is defined.
|
|
#endif
|
|
|
|
#if defined(_LIBCPP_HAS_NO_MONOTONIC_CLOCK) && !defined(_LIBCPP_HAS_NO_THREADS)
|
|
#error _LIBCPP_HAS_NO_MONOTONIC_CLOCK may only be defined when \
|
|
_LIBCPP_HAS_NO_THREADS is defined.
|
|
#endif
|
|
|
|
// Systems that use capability-based security (FreeBSD with Capsicum,
|
|
// Nuxi CloudABI) may only provide local filesystem access (using *at()).
|
|
// Functions like open(), rename(), unlink() and stat() should not be
|
|
// used, as they attempt to access the global filesystem namespace.
|
|
#ifdef __CloudABI__
|
|
#define _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE
|
|
#endif
|
|
|
|
// CloudABI is intended for running networked services. Processes do not
|
|
// have standard input and output channels.
|
|
#ifdef __CloudABI__
|
|
#define _LIBCPP_HAS_NO_STDIN
|
|
#define _LIBCPP_HAS_NO_STDOUT
|
|
#endif
|
|
|
|
#if defined(__BIONIC__) || defined(__CloudABI__) || \
|
|
defined(__Fuchsia__) || defined(_LIBCPP_HAS_MUSL_LIBC)
|
|
#define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE
|
|
#endif
|
|
|
|
// Thread-unsafe functions such as strtok() and localtime()
|
|
// are not available.
|
|
#ifdef __CloudABI__
|
|
#define _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS
|
|
#endif
|
|
|
|
#if __has_feature(cxx_atomic) || __has_extension(c_atomic) || __has_keyword(_Atomic)
|
|
# define _LIBCPP_HAS_C_ATOMIC_IMP
|
|
#elif _GNUC_VER > 407
|
|
# define _LIBCPP_HAS_GCC_ATOMIC_IMP
|
|
#endif
|
|
|
|
#if (!defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP)) \
|
|
|| defined(_LIBCPP_HAS_NO_THREADS)
|
|
#define _LIBCPP_HAS_NO_ATOMIC_HEADER
|
|
#endif
|
|
|
|
#ifndef _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
|
|
#define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
|
|
#endif
|
|
|
|
#if defined(_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS)
|
|
# if defined(__clang__) && __has_attribute(acquire_capability)
|
|
// Work around the attribute handling in clang. When both __declspec and
|
|
// __attribute__ are present, the processing goes awry preventing the definition
|
|
// of the types.
|
|
# if !defined(_LIBCPP_OBJECT_FORMAT_COFF)
|
|
# define _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS
|
|
# endif
|
|
# endif
|
|
#endif
|
|
|
|
#if __has_attribute(require_constant_initialization)
|
|
# define _LIBCPP_SAFE_STATIC __attribute__((__require_constant_initialization__))
|
|
#else
|
|
# define _LIBCPP_SAFE_STATIC
|
|
#endif
|
|
|
|
#if !__has_builtin(__builtin_addressof) && _GNUC_VER < 700
|
|
#define _LIBCPP_HAS_NO_BUILTIN_ADDRESSOF
|
|
#endif
|
|
|
|
#if !defined(_LIBCPP_HAS_NO_OFF_T_FUNCTIONS)
|
|
# if defined(_LIBCPP_MSVCRT) || defined(_NEWLIB_VERSION)
|
|
# define _LIBCPP_HAS_NO_OFF_T_FUNCTIONS
|
|
# endif
|
|
#endif
|
|
|
|
#if __has_attribute(diagnose_if) && !defined(_LIBCPP_DISABLE_ADDITIONAL_DIAGNOSTICS)
|
|
# define _LIBCPP_DIAGNOSE_WARNING(...) \
|
|
__attribute__((diagnose_if(__VA_ARGS__, "warning")))
|
|
# define _LIBCPP_DIAGNOSE_ERROR(...) \
|
|
__attribute__((diagnose_if(__VA_ARGS__, "error")))
|
|
#else
|
|
# define _LIBCPP_DIAGNOSE_WARNING(...)
|
|
# define _LIBCPP_DIAGNOSE_ERROR(...)
|
|
#endif
|
|
|
|
#if __has_attribute(fallthough) || _GNUC_VER >= 700
|
|
// Use a function like macro to imply that it must be followed by a semicolon
|
|
# define _LIBCPP_FALLTHROUGH() __attribute__((__fallthrough__))
|
|
#else
|
|
# define _LIBCPP_FALLTHROUGH() ((void)0)
|
|
#endif
|
|
|
|
#if defined(_LIBCPP_ABI_MICROSOFT) && \
|
|
(defined(_LIBCPP_COMPILER_MSVC) || __has_declspec_attribute(empty_bases))
|
|
# define _LIBCPP_DECLSPEC_EMPTY_BASES __declspec(empty_bases)
|
|
#else
|
|
# define _LIBCPP_DECLSPEC_EMPTY_BASES
|
|
#endif
|
|
|
|
#if defined(_LIBCPP_ENABLE_CXX17_REMOVED_FEATURES)
|
|
#define _LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR
|
|
#define _LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS
|
|
#define _LIBCPP_ENABLE_CXX17_REMOVED_RANDOM_SHUFFLE
|
|
#define _LIBCPP_ENABLE_CXX17_REMOVED_BINDERS
|
|
#endif // _LIBCPP_ENABLE_CXX17_REMOVED_FEATURES
|
|
|
|
#if !defined(__cpp_deduction_guides) || __cpp_deduction_guides < 201611
|
|
#define _LIBCPP_HAS_NO_DEDUCTION_GUIDES
|
|
#endif
|
|
|
|
#if !__has_keyword(__is_aggregate) && (_GNUC_VER_NEW < 7001)
|
|
#define _LIBCPP_HAS_NO_IS_AGGREGATE
|
|
#endif
|
|
|
|
#if !defined(__cpp_coroutines) || __cpp_coroutines < 201703L
|
|
#define _LIBCPP_HAS_NO_COROUTINES
|
|
#endif
|
|
|
|
// Decide whether to use availability macros.
|
|
#if !defined(_LIBCPP_BUILDING_LIBRARY) && \
|
|
!defined(_LIBCPP_DISABLE_AVAILABILITY) && \
|
|
__has_feature(attribute_availability_with_strict) && \
|
|
__has_feature(attribute_availability_in_templates)
|
|
# ifdef __APPLE__
|
|
# define _LIBCPP_USE_AVAILABILITY_APPLE
|
|
# endif
|
|
#endif
|
|
|
|
// Define availability macros.
|
|
#if defined(_LIBCPP_USE_AVAILABILITY_APPLE)
|
|
# define _LIBCPP_AVAILABILITY_SHARED_MUTEX \
|
|
__attribute__((availability(macosx,strict,introduced=10.12))) \
|
|
__attribute__((availability(ios,strict,introduced=10.0))) \
|
|
__attribute__((availability(tvos,strict,introduced=10.0))) \
|
|
__attribute__((availability(watchos,strict,introduced=3.0)))
|
|
# define _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS __attribute__((unavailable))
|
|
# define _LIBCPP_AVAILABILITY_BAD_ARRAY_LENGTH __attribute__((unavailable))
|
|
# define _LIBCPP_AVAILABILITY_BAD_ANY_CAST __attribute__((unavailable))
|
|
# define _LIBCPP_AVAILABILITY_UNCAUGHT_EXCEPTIONS \
|
|
__attribute__((availability(macosx,strict,introduced=10.12))) \
|
|
__attribute__((availability(ios,strict,introduced=10.0))) \
|
|
__attribute__((availability(tvos,strict,introduced=10.0))) \
|
|
__attribute__((availability(watchos,strict,introduced=3.0)))
|
|
# define _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE \
|
|
__attribute__((availability(macosx,strict,introduced=10.12))) \
|
|
__attribute__((availability(ios,strict,introduced=10.0))) \
|
|
__attribute__((availability(tvos,strict,introduced=10.0))) \
|
|
__attribute__((availability(watchos,strict,introduced=3.0)))
|
|
# define _LIBCPP_AVAILABILITY_FUTURE_ERROR \
|
|
__attribute__((availability(ios,strict,introduced=6.0)))
|
|
# define _LIBCPP_AVAILABILITY_TYPEINFO_VTABLE \
|
|
__attribute__((availability(macosx,strict,introduced=10.9))) \
|
|
__attribute__((availability(ios,strict,introduced=7.0)))
|
|
# define _LIBCPP_AVAILABILITY_LOCALE_CATEGORY \
|
|
__attribute__((availability(macosx,strict,introduced=10.9))) \
|
|
__attribute__((availability(ios,strict,introduced=7.0)))
|
|
# define _LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR \
|
|
__attribute__((availability(macosx,strict,introduced=10.9))) \
|
|
__attribute__((availability(ios,strict,introduced=7.0)))
|
|
#else
|
|
# define _LIBCPP_AVAILABILITY_SHARED_MUTEX
|
|
# define _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS
|
|
# define _LIBCPP_AVAILABILITY_BAD_ARRAY_LENGTH
|
|
# define _LIBCPP_AVAILABILITY_BAD_ANY_CAST
|
|
# define _LIBCPP_AVAILABILITY_UNCAUGHT_EXCEPTIONS
|
|
# define _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE
|
|
# define _LIBCPP_AVAILABILITY_FUTURE_ERROR
|
|
# define _LIBCPP_AVAILABILITY_TYPEINFO_VTABLE
|
|
# define _LIBCPP_AVAILABILITY_LOCALE_CATEGORY
|
|
# define _LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR
|
|
#endif
|
|
|
|
// Define availability that depends on _LIBCPP_NO_EXCEPTIONS.
|
|
#ifdef _LIBCPP_NO_EXCEPTIONS
|
|
# define _LIBCPP_AVAILABILITY_DYNARRAY
|
|
# define _LIBCPP_AVAILABILITY_FUTURE
|
|
# define _LIBCPP_AVAILABILITY_THROW_BAD_ANY_CAST
|
|
#else
|
|
# define _LIBCPP_AVAILABILITY_DYNARRAY _LIBCPP_AVAILABILITY_BAD_ARRAY_LENGTH
|
|
# define _LIBCPP_AVAILABILITY_FUTURE _LIBCPP_AVAILABILITY_FUTURE_ERROR
|
|
# define _LIBCPP_AVAILABILITY_THROW_BAD_ANY_CAST \
|
|
_LIBCPP_AVAILABILITY_BAD_ANY_CAST
|
|
#endif
|
|
|
|
// Availability of stream API in the dylib got dropped and re-added. The
|
|
// extern template should effectively be available at:
|
|
// availability(macosx,introduced=10.9)
|
|
// availability(ios,introduced=7.0)
|
|
#if defined(_LIBCPP_USE_AVAILABILITY_APPLE) && \
|
|
((defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \
|
|
__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1090) || \
|
|
(defined(__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__) && \
|
|
__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__ < 70000))
|
|
#define _LIBCPP_AVAILABILITY_NO_STREAMS_EXTERN_TEMPLATE
|
|
#endif
|
|
|
|
#if defined(_LIBCPP_COMPILER_IBM)
|
|
#define _LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO
|
|
#endif
|
|
|
|
#if defined(_LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO)
|
|
# define _LIBCPP_PUSH_MACROS
|
|
# define _LIBCPP_POP_MACROS
|
|
#else
|
|
// Don't warn about macro conflicts when we can restore them at the
|
|
// end of the header.
|
|
# ifndef _LIBCPP_DISABLE_MACRO_CONFLICT_WARNINGS
|
|
# define _LIBCPP_DISABLE_MACRO_CONFLICT_WARNINGS
|
|
# endif
|
|
# if defined(_LIBCPP_COMPILER_MSVC)
|
|
# define _LIBCPP_PUSH_MACROS \
|
|
__pragma(push_macro("min")) \
|
|
__pragma(push_macro("max"))
|
|
# define _LIBCPP_POP_MACROS \
|
|
__pragma(pop_macro("min")) \
|
|
__pragma(pop_macro("max"))
|
|
# else
|
|
# define _LIBCPP_PUSH_MACROS \
|
|
_Pragma("push_macro(\"min\")") \
|
|
_Pragma("push_macro(\"max\")")
|
|
# define _LIBCPP_POP_MACROS \
|
|
_Pragma("pop_macro(\"min\")") \
|
|
_Pragma("pop_macro(\"max\")")
|
|
# endif
|
|
#endif // defined(_LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO)
|
|
|
|
#ifndef _LIBCPP_NO_AUTO_LINK
|
|
# if defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_BUILDING_LIBRARY)
|
|
# if defined(_DLL)
|
|
# pragma comment(lib, "c++.lib")
|
|
# else
|
|
# pragma comment(lib, "libc++.lib")
|
|
# endif
|
|
# endif // defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_BUILDING_LIBRARY)
|
|
#endif // _LIBCPP_NO_AUTO_LINK
|
|
|
|
#endif // __cplusplus
|
|
|
|
#endif // _LIBCPP_CONFIG
|