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https://github.com/apple/swift.git
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4058ad1421
Previously, when creating availability attributes for synthesized declarations we would identify some set of reference declarations that the synthesized declaration should be as-available-as. The availability attributes of the reference declarations would then be merged together to create the attributes for the synthesized declaration. The problem with this approach is that the reference declarations themselves may implicitly inherit availability from their enclosing scopes, so the resulting merged attributes could be incomplete. The fix is to walk though the enclosing scopes of the reference declarations, merging the availability attributes found at each level. Additionally, the merging algorithm that produces inferred availability attributes failed to deal with conflicts between platform specific and platform agnostic availability. Now the merging algorithm notices when platform agnostic availability should take precedence and avoids generating conflicting platform specific attributes. Resolves rdar://106575142
81 lines
3.4 KiB
Swift
81 lines
3.4 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-emit-module-interface(%t/Library.swiftinterface) %s -module-name Library -target %target-swift-abi-5.3-triple
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// RUN: %target-swift-typecheck-module-from-interface(%t/Library.swiftinterface) -module-name Library
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// RUN: %FileCheck %s < %t/Library.swiftinterface
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// REQUIRES: VENDOR=apple
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// CHECK: #if compiler(>=5.3) && $Actors
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// CHECK-NEXT: public actor ActorWithImplicitAvailability {
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public actor ActorWithImplicitAvailability {
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// CHECK: @available(iOS 13.0, tvOS 13.0, watchOS 6.0, macOS 10.15, *)
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// CHECK-NEXT: @_semantics("defaultActor") nonisolated final public var unownedExecutor: _Concurrency.UnownedSerialExecutor {
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// CHECK-NEXT: get
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// CHECK-NEXT: }
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}
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// CHECK: #endif
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// CHECK: #if compiler(>=5.3) && $Actors
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// CHECK-NEXT: @available(macOS 10.15.4, iOS 13.4, watchOS 6.2, tvOS 13.4, *)
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// CHECK-NEXT: public actor ActorWithExplicitAvailability {
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@available(SwiftStdlib 5.2, *)
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public actor ActorWithExplicitAvailability {
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// CHECK: @available(iOS 13.4, tvOS 13.4, watchOS 6.2, macOS 10.15.4, *)
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// CHECK-NEXT: @_semantics("defaultActor") nonisolated final public var unownedExecutor: _Concurrency.UnownedSerialExecutor {
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// CHECK-NEXT: get
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// CHECK-NEXT: }
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}
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// CHECK: #endif
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// CHECK: #if compiler(>=5.3) && $Actors
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// CHECK-NEXT: @_hasMissingDesignatedInitializers @available(macOS, unavailable)
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// CHECK-NEXT: public actor UnavailableActor {
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@available(macOS, unavailable)
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public actor UnavailableActor {
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// CHECK: @available(iOS 13.0, tvOS 13.0, watchOS 6.0, *)
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// CHECK-NEXT: @available(macOS, unavailable)
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// CHECK-NEXT: @_semantics("defaultActor") nonisolated final public var unownedExecutor: _Concurrency.UnownedSerialExecutor {
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// CHECK-NEXT: get
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// CHECK-NEXT: }
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}
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// CHECK: #endif
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// CHECK: @available(macOS 10.15.4, iOS 13.4, watchOS 6.2, tvOS 13.4, *)
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// CHECK-NEXT: public enum Enum {
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@available(SwiftStdlib 5.2, *)
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public enum Enum {
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// CHECK: #if compiler(>=5.3) && $Actors
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// CHECK-NEXT: @_hasMissingDesignatedInitializers public actor NestedActor {
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public actor NestedActor {
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// CHECK: @available(iOS 13.4, tvOS 13.4, watchOS 6.2, macOS 10.15.4, *)
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// CHECK-NEXT: @_semantics("defaultActor") nonisolated final public var unownedExecutor: _Concurrency.UnownedSerialExecutor {
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// CHECK-NEXT: get
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// CHECK-NEXT: }
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}
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// CHECK: #endif
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}
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// CHECK: extension Library.Enum {
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extension Enum {
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// CHECK: #if compiler(>=5.3) && $Actors
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// CHECK-NEXT: @_hasMissingDesignatedInitializers public actor ExtensionNestedActor {
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public actor ExtensionNestedActor {
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// CHECK: @available(iOS 13.4, tvOS 13.4, watchOS 6.2, macOS 10.15.4, *)
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// CHECK-NEXT: @_semantics("defaultActor") nonisolated final public var unownedExecutor: _Concurrency.UnownedSerialExecutor {
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// CHECK-NEXT: get
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// CHECK-NEXT: }
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}
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// CHECK: #if compiler(>=5.3) && $Actors
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// CHECK-NEXT: @_hasMissingDesignatedInitializers @available(macOS, unavailable)
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// CHECK-NEXT: public actor UnavailableExtensionNestedActor {
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@available(macOS, unavailable)
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public actor UnavailableExtensionNestedActor {
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// CHECK: @available(iOS 13.4, tvOS 13.4, watchOS 6.2, *)
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// CHECK-NEXT: @available(macOS, unavailable)
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// CHECK-NEXT: @_semantics("defaultActor") nonisolated final public var unownedExecutor: _Concurrency.UnownedSerialExecutor {
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// CHECK-NEXT: get
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// CHECK-NEXT: }
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}
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}
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