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[concurrency] initial declaration of MainActor

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Implementation is left as a TODO for now.

Resolves rdar://72161578
Partially resolves rdar://72105129
This commit is contained in:
Kavon Farvardin
2020-12-08 14:20:38 -08:00
parent f76645dab1
commit a2c57d13c3
4 changed files with 84 additions and 0 deletions
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46
test/ModuleInterface/actor_protocol.swift Normal file
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// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend -typecheck -enable-library-evolution -enable-experimental-concurrency -emit-module-interface-path %t/Library.swiftinterface -module-name Library %s
// RUN: %FileCheck --check-prefix CHECK-EXTENSION %s <%t/Library.swiftinterface
// RUN: %FileCheck --check-prefix CHECK %s <%t/Library.swiftinterface
/// This test ensures that, when generating a swiftinterface file,
/// the actor class decl itself is what may conform to the Actor protocol,
/// and not via some extension. The requirement is due to the unique
/// optimizations applied to the implementation of actors.
// CHECK-EXTENSION-NOT: extension {{.+}} : _Concurrency.Actor
// CHECK: actor public class PlainActorClass {
public actor class PlainActorClass {
@actorIndependent public func enqueue(partialTask: PartialAsyncTask) { }
}
// CHECK: actor public class ExplicitActorClass : _Concurrency.Actor {
public actor class ExplicitActorClass : Actor {
@actorIndependent public func enqueue(partialTask: PartialAsyncTask) { }
}
// CHECK: actor public class EmptyActorClass {
public actor class EmptyActorClass {}
// CHECK: public protocol Cat : _Concurrency.Actor {
public protocol Cat : Actor {
func mew()
}
// CHECK: actor public class HouseCat : Library.Cat {
public actor class HouseCat : Cat {
@asyncHandler public func mew() {}
@actorIndependent public func enqueue(partialTask: PartialAsyncTask) { }
}
// CHECK: public protocol ToothyMouth {
public protocol ToothyMouth {
func chew()
}
// CHECK: actor public class Lion : Library.ToothyMouth, _Concurrency.Actor {
public actor class Lion : ToothyMouth, Actor {
@asyncHandler public func chew() {}
@actorIndependent public func enqueue(partialTask: PartialAsyncTask) { }
}