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f9a93a55d7
Centralize the `SWIFT_{BEGIN/END}_NULLABILITY_ANNOTATIONS` definitions in a new
Nullability.h header to share.
52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
//===--- BridgedSwiftObject.h - C header which defines SwiftObject --------===//
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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 - 2021 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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// This is a C header, which defines the SwiftObject header. For the C++ version
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// see SwiftObjectHeader.h.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_BASIC_BRIDGEDSWIFTOBJECT_H
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#define SWIFT_BASIC_BRIDGEDSWIFTOBJECT_H
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#include "swift/Basic/Nullability.h"
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#if defined(__OpenBSD__)
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#include <sys/stdint.h>
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#else
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#include <stdint.h>
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#endif
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#if !defined(__has_feature)
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#define __has_feature(feature) 0
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#endif
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SWIFT_BEGIN_NULLABILITY_ANNOTATIONS
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typedef const void * _Nonnull SwiftMetatype;
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/// The header of a Swift object.
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///
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/// This must be in sync with HeapObject, which is defined in the runtime lib.
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/// It must be layout compatible with the Swift object header.
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struct BridgedSwiftObject {
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SwiftMetatype metatype;
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int64_t refCounts;
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};
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typedef struct BridgedSwiftObject * _Nonnull SwiftObject;
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typedef struct BridgedSwiftObject * _Nullable OptionalSwiftObject;
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SWIFT_END_NULLABILITY_ANNOTATIONS
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#endif
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