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//===--- SwiftNativeNSObject.mm - NSObject-inheriting native class --------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2020 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
//
// Define the SwiftNativeNSObject class, which inherits from
// NSObject but uses Swift reference-counting.
//
//===----------------------------------------------------------------------===//
#include "swift/Runtime/Config.h"
#if SWIFT_OBJC_INTEROP
#import <Foundation/Foundation.h>
#import <CoreFoundation/CoreFoundation.h>
#include <objc/NSObject.h>
#include <objc/runtime.h>
#include <objc/objc.h>
#include "swift/Runtime/HeapObject.h"
#include "swift/Runtime/Metadata.h"
#include "swift/Runtime/ObjCBridge.h"
using namespace swift;
SWIFT_RUNTIME_STDLIB_API
@interface SwiftNativeNSObject : NSObject
{
@private
SWIFT_HEAPOBJECT_NON_OBJC_MEMBERS;
}
@end
@implementation SwiftNativeNSObject
+ (id)allocWithZone: (NSZone *)zone {
// Allocate the object with swift_allocObject().
// Note that this doesn't work if called on SwiftNativeNSObject itself,
// which is not a Swift class.
auto cls = cast<ClassMetadata>(reinterpret_cast<const HeapMetadata *>(self));
assert(cls->isTypeMetadata());
auto result = swift_allocObject(cls, cls->getInstanceSize(),
cls->getInstanceAlignMask());
return reinterpret_cast<id>(result);
}
- (id)initWithCoder: (NSCoder *)coder {
return [super init];
}
+ (BOOL)automaticallyNotifiesObserversForKey:(NSString *)key {
return NO;
}
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wobjc-missing-super-calls"
STANDARD_OBJC_METHOD_IMPLS_FOR_SWIFT_OBJECTS
#pragma clang diagnostic pop
@end
#endif
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