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