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Shuffle & Cleanup Stuff (#3080)
This commit is contained in:
Adlai Holler
GitHub
219
Source/Base/ASBaseDefines.h
Executable file
219
Source/Base/ASBaseDefines.h
Executable file
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//
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// ASBaseDefines.h
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// AsyncDisplayKit
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//
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// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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#pragma once
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#import <AsyncDisplayKit/ASLog.h>
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#ifndef PIN_REMOTE_IMAGE
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#if __has_include(<PINRemoteImage/PINRemoteImage.h>)
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#define PIN_REMOTE_IMAGE 1
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#else
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#define PIN_REMOTE_IMAGE 0
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#endif
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#endif
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// The C++ compiler mangles C function names. extern "C" { /* your C functions */ } prevents this.
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// You should wrap all C function prototypes declared in headers with ASDISPLAYNODE_EXTERN_C_BEGIN/END, even if
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// they are included only from .m (Objective-C) files. It's common for .m files to start using C++
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// features and become .mm (Objective-C++) files. Always wrapping the prototypes with
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// ASDISPLAYNODE_EXTERN_C_BEGIN/END will save someone a headache once they need to do this. You do not need to
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// wrap constants, only C functions. See StackOverflow for more details:
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// http://stackoverflow.com/questions/1041866/in-c-source-what-is-the-effect-of-extern-c
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#ifdef __cplusplus
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# define ASDISPLAYNODE_EXTERN_C_BEGIN extern "C" {
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# define ASDISPLAYNODE_EXTERN_C_END }
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#else
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# define ASDISPLAYNODE_EXTERN_C_BEGIN
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# define ASDISPLAYNODE_EXTERN_C_END
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#endif
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#ifdef __GNUC__
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# define ASDISPLAYNODE_GNUC(major, minor) \
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(__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
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#else
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# define ASDISPLAYNODE_GNUC(major, minor) 0
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#endif
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#ifndef ASDISPLAYNODE_INLINE
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# if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
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# define ASDISPLAYNODE_INLINE static inline
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# elif defined (__MWERKS__) || defined (__cplusplus)
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# define ASDISPLAYNODE_INLINE static inline
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# elif ASDISPLAYNODE_GNUC (3, 0)
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# define ASDISPLAYNODE_INLINE static __inline__ __attribute__ ((always_inline))
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# else
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# define ASDISPLAYNODE_INLINE static
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# endif
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#endif
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#ifndef ASDISPLAYNODE_HIDDEN
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# if ASDISPLAYNODE_GNUC (4,0)
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# define ASDISPLAYNODE_HIDDEN __attribute__ ((visibility ("hidden")))
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# else
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# define ASDISPLAYNODE_HIDDEN /* no hidden */
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# endif
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#endif
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#ifndef ASDISPLAYNODE_PURE
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# if ASDISPLAYNODE_GNUC (3, 0)
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# define ASDISPLAYNODE_PURE __attribute__ ((pure))
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# else
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# define ASDISPLAYNODE_PURE /* no pure */
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# endif
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#endif
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#ifndef ASDISPLAYNODE_CONST
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# if ASDISPLAYNODE_GNUC (3, 0)
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# define ASDISPLAYNODE_CONST __attribute__ ((const))
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# else
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# define ASDISPLAYNODE_CONST /* no const */
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# endif
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#endif
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#ifndef ASDISPLAYNODE_WARN_UNUSED
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# if ASDISPLAYNODE_GNUC (3, 4)
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# define ASDISPLAYNODE_WARN_UNUSED __attribute__ ((warn_unused_result))
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# else
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# define ASDISPLAYNODE_WARN_UNUSED /* no warn_unused */
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# endif
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#endif
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#ifndef ASDISPLAYNODE_WARN_DEPRECATED
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# define ASDISPLAYNODE_WARN_DEPRECATED 1
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#endif
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#ifndef ASDISPLAYNODE_DEPRECATED
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# if ASDISPLAYNODE_GNUC (3, 0) && ASDISPLAYNODE_WARN_DEPRECATED
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# define ASDISPLAYNODE_DEPRECATED __attribute__ ((deprecated))
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# else
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# define ASDISPLAYNODE_DEPRECATED
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# endif
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#endif
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#ifndef ASDISPLAYNODE_DEPRECATED_MSG
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# if ASDISPLAYNODE_GNUC (3, 0) && ASDISPLAYNODE_WARN_DEPRECATED
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# define ASDISPLAYNODE_DEPRECATED_MSG(msg) __deprecated_msg(msg)
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# else
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# define ASDISPLAYNODE_DEPRECATED_MSG(msg)
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# endif
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#endif
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#if defined (__cplusplus) && defined (__GNUC__)
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# define ASDISPLAYNODE_NOTHROW __attribute__ ((nothrow))
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#else
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# define ASDISPLAYNODE_NOTHROW
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#endif
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/**
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* The event backtraces take a static 2KB of memory
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* and retain all objects present in all the registers
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* of the stack frames. The memory consumption impact
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* is too significant even to be enabled during general
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* development.
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*/
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#ifndef AS_SAVE_EVENT_BACKTRACES
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# define AS_SAVE_EVENT_BACKTRACES 0
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#endif
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#define ARRAY_COUNT(x) sizeof(x) / sizeof(x[0])
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#ifndef __has_feature // Optional.
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#define __has_feature(x) 0 // Compatibility with non-clang compilers.
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#endif
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#ifndef __has_attribute // Optional.
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#define __has_attribute(x) 0 // Compatibility with non-clang compilers.
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#endif
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#ifndef NS_CONSUMED
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#if __has_feature(attribute_ns_consumed)
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#define NS_CONSUMED __attribute__((ns_consumed))
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#else
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#define NS_CONSUMED
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#endif
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#endif
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#ifndef NS_RETURNS_RETAINED
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#if __has_feature(attribute_ns_returns_retained)
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#define NS_RETURNS_RETAINED __attribute__((ns_returns_retained))
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#else
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#define NS_RETURNS_RETAINED
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#endif
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#endif
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#ifndef CF_RETURNS_RETAINED
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#if __has_feature(attribute_cf_returns_retained)
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#define CF_RETURNS_RETAINED __attribute__((cf_returns_retained))
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#else
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#define CF_RETURNS_RETAINED
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#endif
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#endif
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#ifndef ASDISPLAYNODE_NOT_DESIGNATED_INITIALIZER
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#define ASDISPLAYNODE_NOT_DESIGNATED_INITIALIZER() \
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do { \
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NSAssert2(NO, @"%@ is not the designated initializer for instances of %@.", NSStringFromSelector(_cmd), NSStringFromClass([self class])); \
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return nil; \
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} while (0)
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#endif // ASDISPLAYNODE_NOT_DESIGNATED_INITIALIZER
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// It's hard to pass quoted strings via xcodebuild preprocessor define arguments, so we'll convert
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// the preprocessor values to strings here.
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//
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// It takes two steps to do this in gcc as per
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// http://gcc.gnu.org/onlinedocs/cpp/Stringification.html
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#define ASDISPLAYNODE_TO_STRING(str) #str
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#define ASDISPLAYNODE_TO_UNICODE_STRING(str) @ASDISPLAYNODE_TO_STRING(str)
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#ifndef ASDISPLAYNODE_REQUIRES_SUPER
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#if __has_attribute(objc_requires_super)
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#define ASDISPLAYNODE_REQUIRES_SUPER __attribute__((objc_requires_super))
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#else
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#define ASDISPLAYNODE_REQUIRES_SUPER
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#endif
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#endif
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#ifndef AS_UNAVAILABLE
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#if __has_attribute(unavailable)
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#define AS_UNAVAILABLE(message) __attribute__((unavailable(message)))
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#else
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#define AS_UNAVAILABLE(message)
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#endif
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#endif
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#ifndef AS_WARN_UNUSED_RESULT
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#if __has_attribute(warn_unused_result)
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#define AS_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
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#else
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#define AS_WARN_UNUSED_RESULT
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#endif
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#endif
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#define ASOVERLOADABLE __attribute__((overloadable))
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#if __has_attribute(noescape)
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#define AS_NOESCAPE __attribute__((noescape))
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#else
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#define AS_NOESCAPE
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#endif
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#if __has_attribute(objc_subclassing_restricted)
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#define AS_SUBCLASSING_RESTRICTED __attribute__((objc_subclassing_restricted))
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#else
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#define AS_SUBCLASSING_RESTRICTED
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#endif
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/// Ensure that class is of certain kind
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#define ASDynamicCast(x, c) ({ \
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id __val = x;\
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((c *) ([__val isKindOfClass:[c class]] ? __val : nil));\
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})
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