486 lines
12 KiB
C++
486 lines
12 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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#ifndef _MSC_VER // explicit macro necessary because it is only defined below in this file
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#pragma GCC system_header
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#endif
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#ifdef __GNUC__
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#define _GNUC_VER (__GNUC__ * 100 + __GNUC_MINOR__)
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#endif
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#define _LIBCPP_VERSION 1101
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#define _LIBCPP_ABI_VERSION 1
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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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#ifdef __LITTLE_ENDIAN__
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#if __LITTLE_ENDIAN__
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#define _LIBCPP_LITTLE_ENDIAN 1
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#define _LIBCPP_BIG_ENDIAN 0
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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_LITTLE_ENDIAN 0
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#define _LIBCPP_BIG_ENDIAN 1
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#endif // __BIG_ENDIAN__
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#endif // __BIG_ENDIAN__
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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 1
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# define _LIBCPP_BIG_ENDIAN 0
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# else // _BYTE_ORDER == _LITTLE_ENDIAN
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# define _LIBCPP_LITTLE_ENDIAN 0
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# define _LIBCPP_BIG_ENDIAN 1
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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 _WIN32
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# define _LIBCPP_LITTLE_ENDIAN 1
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# define _LIBCPP_BIG_ENDIAN 0
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// Compiler intrinsics (GCC or MSVC)
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# if (defined(_MSC_VER) && _MSC_VER >= 1400) \
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|| (defined(__GNUC__) && _GNUC_VER > 403)
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# define _LIBCP_HAS_IS_BASE_OF
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# endif
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#endif // _WIN32
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#ifdef __linux__
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# if defined(__GNUC__) && _GNUC_VER >= 403
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# define _LIBCP_HAS_IS_BASE_OF
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# endif
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#endif
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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 1
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# define _LIBCPP_BIG_ENDIAN 0
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# else
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# define _LIBCPP_LITTLE_ENDIAN 0
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# define _LIBCPP_BIG_ENDIAN 1
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# endif
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#endif // __sun__
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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 1
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# define _LIBCPP_BIG_ENDIAN 0
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# elif __BYTE_ORDER == __BIG_ENDIAN
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# define _LIBCPP_LITTLE_ENDIAN 0
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# define _LIBCPP_BIG_ENDIAN 1
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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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#ifdef _WIN32
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// only really useful for a DLL
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#ifdef _LIBCPP_DLL // this should be a compiler builtin define ideally...
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# ifdef cxx_EXPORTS
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# define _LIBCPP_HIDDEN
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# define _LIBCPP_FUNC_VIS __declspec(dllexport)
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# define _LIBCPP_TYPE_VIS __declspec(dllexport)
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# else
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# define _LIBCPP_HIDDEN
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# define _LIBCPP_FUNC_VIS __declspec(dllimport)
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# define _LIBCPP_TYPE_VIS __declspec(dllimport)
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# endif
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#else
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# define _LIBCPP_HIDDEN
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# define _LIBCPP_FUNC_VIS
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# define _LIBCPP_TYPE_VIS
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#endif
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#ifndef _LIBCPP_INLINE_VISIBILITY
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# ifdef _MSC_VER
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# define _LIBCPP_INLINE_VISIBILITY __forceinline
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# else // MinGW GCC and Clang
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# define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__))
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# endif
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#endif
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#ifndef _LIBCPP_EXCEPTION_ABI
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#define _LIBCPP_EXCEPTION_ABI _LIBCPP_TYPE_VIS
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#endif
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#ifndef _LIBCPP_ALWAYS_INLINE
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# ifdef _MSC_VER
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# define _LIBCPP_ALWAYS_INLINE __forceinline
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# endif
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#endif
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#endif // _WIN32
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#ifndef _LIBCPP_HIDDEN
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#define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden")))
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#endif
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#ifndef _LIBCPP_FUNC_VIS
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#define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default")))
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#endif
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#ifndef _LIBCPP_TYPE_VIS
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# if __has_attribute(type_visibility)
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# define _LIBCPP_TYPE_VIS __attribute__ ((__type_visibility__("default")))
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# else
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# define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default")))
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# endif
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#endif
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#ifndef _LIBCPP_INLINE_VISIBILITY
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#define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__))
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#endif
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#ifndef _LIBCPP_EXCEPTION_ABI
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#define _LIBCPP_EXCEPTION_ABI _LIBCPP_TYPE_VIS
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#endif
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#ifndef _LIBCPP_CANTTHROW
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#define _LIBCPP_CANTTHROW __attribute__ ((__nothrow__))
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#endif
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#ifndef _LIBCPP_ALWAYS_INLINE
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#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__visibility__("hidden"), __always_inline__))
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#endif
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#if defined(__clang__)
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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 !__has_feature(cxx_alias_templates)
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#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
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#endif
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#ifndef __GXX_EXPERIMENTAL_CXX0X__
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#ifdef __linux__
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#define _LIBCPP_HAS_NO_UNICODE_CHARS
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#else
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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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#endif
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#if !(__has_feature(cxx_exceptions))
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#define _LIBCPP_NO_EXCEPTIONS
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#endif
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#if !(__has_feature(cxx_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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#if !(__has_feature(cxx_decltype))
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#define _LIBCPP_HAS_NO_DECLTYPE
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#endif
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#if __has_feature(cxx_attributes)
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# define _LIBCPP_NORETURN [[noreturn]]
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#else
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# define _LIBCPP_NORETURN __attribute__ ((noreturn))
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#endif
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#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
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#if !(__has_feature(cxx_deleted_functions))
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#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
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#endif // !(__has_feature(cxx_deleted_functions))
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#if !(__has_feature(cxx_lambdas))
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#define _LIBCPP_HAS_NO_LAMBDAS
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#endif
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#if !(__has_feature(cxx_nullptr))
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#define _LIBCPP_HAS_NO_NULLPTR
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#endif
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#if !(__has_feature(cxx_rvalue_references))
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#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
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#endif
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#if !(__has_feature(cxx_static_assert))
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#define _LIBCPP_HAS_NO_STATIC_ASSERT
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#endif
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#if !(__has_feature(cxx_auto_type))
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#define _LIBCPP_HAS_NO_AUTO_TYPE
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#endif
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#if !(__has_feature(cxx_access_control_sfinae)) || !__has_feature(cxx_trailing_return)
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#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
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#endif
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#if !(__has_feature(cxx_variadic_templates))
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#define _LIBCPP_HAS_NO_VARIADICS
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#endif
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#if !(__has_feature(cxx_trailing_return))
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#define _LIBCPP_HAS_NO_TRAILING_RETURN
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#endif
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#if !(__has_feature(cxx_generalized_initializers))
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#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
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#endif
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#if __has_feature(is_base_of)
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# define _LIBCP_HAS_IS_BASE_OF
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#endif
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// Objective-C++ features (opt-in)
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#if __has_feature(objc_arc)
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#define _LIBCPP_HAS_OBJC_ARC
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#endif
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#if __has_feature(objc_arc_weak)
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#define _LIBCPP_HAS_OBJC_ARC_WEAK
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#define _LIBCPP_HAS_NO_STRONG_ENUMS
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#endif
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#if !(__has_feature(cxx_constexpr))
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#define _LIBCPP_HAS_NO_CONSTEXPR
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#endif
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#if defined(__FreeBSD__) && (__ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L)
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#define _LIBCPP_HAS_QUICK_EXIT
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#define _LIBCPP_HAS_C11_FEATURES
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#endif
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#if (__has_feature(cxx_noexcept))
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# define _NOEXCEPT noexcept
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# define _NOEXCEPT_(x) noexcept(x)
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#else
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# define _NOEXCEPT throw()
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# define _NOEXCEPT_(x)
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#endif
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#if __has_feature(underlying_type)
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# define _LIBCXX_UNDERLYING_TYPE(T) __underlying_type(T)
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#endif
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// Inline namespaces are available in Clang regardless of C++ dialect.
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#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
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#define _LIBCPP_END_NAMESPACE_STD } }
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#define _VSTD std::_LIBCPP_NAMESPACE
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namespace std {
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inline namespace _LIBCPP_NAMESPACE {
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}
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}
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#elif defined(__GNUC__)
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#define _ALIGNAS(x) __attribute__((__aligned__(x)))
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#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
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#define _LIBCPP_NORETURN __attribute__((noreturn))
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#if !__EXCEPTIONS
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#define _LIBCPP_NO_EXCEPTIONS
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#endif
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#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
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#define _LIBCPP_HAS_NO_CONSTEXPR
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#define _NOEXCEPT throw()
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#define _NOEXCEPT_(x)
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#ifndef __GXX_EXPERIMENTAL_CXX0X__
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#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
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#define _LIBCPP_HAS_NO_DECLTYPE
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#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
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#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
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#define _LIBCPP_HAS_NO_NULLPTR
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#define _LIBCPP_HAS_NO_STATIC_ASSERT
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#define _LIBCPP_HAS_NO_UNICODE_CHARS
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#define _LIBCPP_HAS_NO_VARIADICS
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#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
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#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS
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#else // __GXX_EXPERIMENTAL_CXX0X__
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#define _LIBCPP_HAS_NO_TRAILING_RETURN
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#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS
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#if _GNUC_VER < 403
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#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
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#endif
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#if _GNUC_VER < 403
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#define _LIBCPP_HAS_NO_STATIC_ASSERT
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#endif
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#if _GNUC_VER < 404
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#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
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#define _LIBCPP_HAS_NO_DECLTYPE
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#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
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#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
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#define _LIBCPP_HAS_NO_UNICODE_CHARS
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#define _LIBCPP_HAS_NO_VARIADICS
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#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
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#endif // _GNUC_VER < 404
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#if _GNUC_VER < 406
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#define _LIBCPP_HAS_NO_NULLPTR
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#endif
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#endif // __GXX_EXPERIMENTAL_CXX0X__
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#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { namespace _LIBCPP_NAMESPACE {
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#define _LIBCPP_END_NAMESPACE_STD } }
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#define _VSTD std::_LIBCPP_NAMESPACE
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namespace std {
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namespace _LIBCPP_NAMESPACE {
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}
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using namespace _LIBCPP_NAMESPACE __attribute__((__strong__));
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}
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#elif defined(_MSC_VER)
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#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
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#define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
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#define _LIBCPP_HAS_NO_CONSTEXPR
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#define _LIBCPP_HAS_NO_UNICODE_CHARS
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#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
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#define __alignof__ __alignof
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#define _LIBCPP_NORETURN __declspec(noreturn)
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#define _ALIGNAS(x) __declspec(align(x))
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#define _LIBCPP_HAS_NO_VARIADICS
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#define _NOEXCEPT throw()
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#define _NOEXCEPT_(x)
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#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {
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#define _LIBCPP_END_NAMESPACE_STD }
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#define _VSTD std
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namespace std {
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}
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#endif // __clang__ || __GNUC___ || _MSC_VER
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#ifdef _LIBCPP_HAS_NO_UNICODE_CHARS
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typedef unsigned short char16_t;
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typedef unsigned int char32_t;
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#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
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#ifdef _LIBCPP_HAS_NO_STATIC_ASSERT
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template <bool> struct __static_assert_test;
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template <> struct __static_assert_test<true> {};
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template <unsigned> struct __static_assert_check {};
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#define static_assert(__b, __m) \
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typedef __static_assert_check<sizeof(__static_assert_test<(__b)>)> \
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_LIBCPP_CONCAT(__t, __LINE__)
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#endif // _LIBCPP_HAS_NO_STATIC_ASSERT
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#ifdef _LIBCPP_HAS_NO_DECLTYPE
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#define decltype(x) __typeof__(x)
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#endif
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#ifdef _LIBCPP_HAS_NO_CONSTEXPR
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#define _LIBCPP_CONSTEXPR
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#else
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#define _LIBCPP_CONSTEXPR constexpr
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#endif
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#ifdef __GNUC__
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#define _NOALIAS __attribute__((malloc))
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#else
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#define _NOALIAS
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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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#if __has_feature(cxx_explicit_conversions)
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# define _LIBCPP_EXPLICIT explicit
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#else
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# define _LIBCPP_EXPLICIT
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#endif
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#ifdef _LIBCPP_HAS_NO_STRONG_ENUMS
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#define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx
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#define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \
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__lx __v_; \
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_LIBCPP_ALWAYS_INLINE x(__lx __v) : __v_(__v) {} \
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_LIBCPP_ALWAYS_INLINE explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \
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_LIBCPP_ALWAYS_INLINE operator int() const {return __v_;} \
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};
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#else // _LIBCPP_HAS_NO_STRONG_ENUMS
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#define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_TYPE_VIS x
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#define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x)
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#endif // _LIBCPP_HAS_NO_STRONG_ENUMS
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#ifndef _LIBCPP_EXTERN_TEMPLATE
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#define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
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#endif
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#if defined(__APPLE__) || defined(__FreeBSD__) || defined(_WIN32) || defined(__sun__)
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#define _LIBCPP_LOCALE__L_EXTENSIONS 1
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#endif
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#ifdef __FreeBSD__
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#define _DECLARE_C99_LDBL_MATH 1
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#endif
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#if defined(__APPLE__) || defined(__FreeBSD__)
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#define _LIBCPP_HAS_DEFAULTRUNELOCALE
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#endif
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#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__)
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#define _LIBCPP_WCTYPE_IS_MASK
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#endif
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#ifdef _LIBCPP_DEBUG2
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# if _LIBCPP_DEBUG2 == 0
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# define _LIBCPP_DEBUG_LEVEL 1
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# elif _LIBCPP_DEBUG2 == 1
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# define _LIBCPP_DEBUG_LEVEL 2
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# else
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# error Supported values for _LIBCPP_DEBUG2 are 0 and 1
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# endif
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#endif
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#ifdef _LIBCPP_DEBUG2
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# include <__debug>
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#else
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# define _LIBCPP_ASSERT(x, m) ((void)0)
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#endif
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#endif // _LIBCPP_CONFIG
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