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// RUN: %target-swift-emit-silgen -disable-availability-checking -parse-as-library %s | %FileCheck %s
// RUN: %target-run-simple-swift( -Xfrontend -disable-availability-checking -parse-as-library)
// REQUIRES: executable_test
// REQUIRES: concurrency
// REQUIRES: distributed
// rdar://76038845
// UNSUPPORTED: use_os_stdlib
// UNSUPPORTED: back_deployment_runtime
import Distributed
distributed actor Philosopher {
distributed func think() {
}
// CHECK: sil hidden [ossa] @$s28distributed_actor_self_calls11PhilosopherC10stopEatingyyF : $@convention(method) (@sil_isolated @guaranteed Philosopher) -> () {
func stopEating() { // NOTE: marking this async solves the issue; we find the async context then
self.think()
// Confirm we're calling the function directly, rather than the distributed thunk
// Calling the thunk would crash, because it is async (and throws), and as we're not in an async function
// trying to get the async context to call the async thunk would fail here.
//
// CHECK: // function_ref Philosopher.think()
// CHECK-NEXT: [[E:%[0-9]+]] = function_ref @$s28distributed_actor_self_calls11PhilosopherC5thinkyyF : $@convention(method) (@sil_isolated @guaranteed Philosopher) -> ()
}
}
// ==== Fake Transport ---------------------------------------------------------
struct ActorAddress: Sendable, Hashable, Codable {
let address: String
init(parse address : String) {
self.address = address
}
}
struct FakeActorSystem: DistributedActorSystem {
typealias ActorID = ActorAddress
typealias InvocationDecoder = FakeInvocationDecoder
typealias InvocationEncoder = FakeInvocationEncoder
typealias SerializationRequirement = Codable
typealias ResultHandler = FakeResultHandler
func resolve<Act>(id: ActorID, as actorType: Act.Type) throws -> Act?
where Act: DistributedActor,
Act.ID == ActorID {
return nil
}
func assignID<Act>(_ actorType: Act.Type) -> ActorID
where Act: DistributedActor {
ActorAddress(parse: "")
}
func actorReady<Act>(_ actor: Act)
where Act: DistributedActor {
print("\(#function):\(actor)")
}
func resignID(_ id: ActorID) {}
func makeInvocationEncoder() -> InvocationEncoder {
.init()
}
func remoteCall<Act, Err, Res>(
on actor: Act,
target: RemoteCallTarget,
invocation invocationEncoder: inout InvocationEncoder,
throwing: Err.Type,
returning: Res.Type
) async throws -> Res
where Act: DistributedActor,
Act.ID == ActorID,
Err: Error,
Res: SerializationRequirement {
fatalError("Not implemented")
}
func remoteCallVoid<Act, Err>(
on actor: Act,
target: RemoteCallTarget,
invocation invocationEncoder: inout InvocationEncoder,
throwing: Err.Type
) async throws
where Act: DistributedActor,
Act.ID == ActorID,
Err: Error {
fatalError("Not implemented")
}
}
// === Sending / encoding -------------------------------------------------
struct FakeInvocationEncoder: DistributedTargetInvocationEncoder {
typealias SerializationRequirement = Codable
mutating func recordGenericSubstitution<T>(_ type: T.Type) throws {}
mutating func recordArgument<Value: SerializationRequirement>(_ argument: RemoteCallArgument<Value>) throws {}
mutating func recordReturnType<R: SerializationRequirement>(_ type: R.Type) throws {}
mutating func recordErrorType<E: Error>(_ type: E.Type) throws {}
mutating func doneRecording() throws {}
}
// === Receiving / decoding -------------------------------------------------
class FakeInvocationDecoder : DistributedTargetInvocationDecoder {
typealias SerializationRequirement = Codable
func decodeGenericSubstitutions() throws -> [Any.Type] { [] }
func decodeNextArgument<Argument: SerializationRequirement>() throws -> Argument { fatalError() }
func decodeReturnType() throws -> Any.Type? { nil }
func decodeErrorType() throws -> Any.Type? { nil }
}
public struct FakeResultHandler: DistributedTargetInvocationResultHandler {
public typealias SerializationRequirement = Codable
public func onReturn<Success: SerializationRequirement>(value: Success) async throws {
fatalError("Not implemented: \(#function)")
}
public func onReturnVoid() async throws {
fatalError("Not implemented: \(#function)")
}
public func onThrow<Err: Error>(error: Err) async throws {
fatalError("Not implemented: \(#function)")
}
}
typealias DefaultDistributedActorSystem = FakeActorSystem
// ==== Execute ----------------------------------------------------------------
func test(system: FakeActorSystem) async {
_ = Philosopher(actorSystem: system)
}
@main struct Main {
static func main() async {
await test(system: FakeActorSystem())
}
}
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