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// REQUIRES: VENDOR=apple
// REQUIRES: concurrency
// REQUIRES: distributed
// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend %s -enable-testing -disable-availability-checking -emit-ir -o %t/test.ll -emit-tbd -emit-tbd-path %t/test.tbd -I %t -tbd-install_name distributed
// RUN %llvm-nm -g %t/test.tbd | %FileCheck %s --dump-input=always
import Distributed
// CHECK: @"$s4test1AC13_remote_helloyyYaKFTE" = hidden global %swift.async_func_pointer
// CHECK: @"$s4test1AC13_remote_helloyyYaKFTETu" = hidden global %swift.async_func_pointer
distributed actor SomeDistributedActor {
typealias ActorSystem = FakeActorSystem
distributed func hello(name: String) -> String {
"Hello, \(name)!"
}
}
// function:
// IR unmangledName = $s4test20SomeDistributedActorC5hello4nameS2S_tF
// function method descriptor
// IR unmangledName = $s4test20SomeDistributedActorC5hello4nameS2S_tFTq
// thunk, method reference
// IR unmangledName = $s4test20SomeDistributedActorC5hello4nameS2S_tFTE
// thunk, method reference + async function pointer
// IR unmangledName = $s4test20SomeDistributedActorC5hello4nameS2S_tFTETu
// ==== Fake Address -----------------------------------------------------------
public struct ActorAddress: Hashable, Sendable, Codable {
public let address: String
public init(parse address : String) {
self.address = address
}
public init(from decoder: Decoder) throws {
let container = try decoder.singleValueContainer()
self.address = try container.decode(String.self)
}
public func encode(to encoder: Encoder) throws {
var container = encoder.singleValueContainer()
try container.encode(self.address)
}
}
// ==== Fake Transport ---------------------------------------------------------
public struct FakeActorSystem: DistributedActorSystem {
public typealias ActorID = ActorAddress
public typealias InvocationDecoder = FakeInvocationDecoder
public typealias InvocationEncoder = FakeInvocationEncoder
public typealias SerializationRequirement = Codable
public typealias ResultHandler = FakeResultHandler
init() {
print("Initialized new FakeActorSystem")
}
public func resolve<Act>(id: ActorID, as actorType: Act.Type) throws -> Act?
where Act: DistributedActor,
Act.ID == ActorID {
nil
}
public func assignID<Act>(_ actorType: Act.Type) -> ActorID
where Act: DistributedActor,
Act.ID == ActorID {
ActorAddress(parse: "xxx")
}
public func actorReady<Act>(_ actor: Act)
where Act: DistributedActor,
Act.ID == ActorID {
}
public func resignID(_ id: ActorID) {
}
public func makeInvocationEncoder() -> InvocationEncoder {
.init()
}
public func remoteCall<Act, Err, Res>(
on actor: Act,
target: RemoteCallTarget,
invocation invocationEncoder: inout InvocationEncoder,
throwing errorType: Err.Type,
returning returnType: Res.Type
) async throws -> Res
where Act: DistributedActor,
Act.ID == ActorID,
Err: Error,
Res: SerializationRequirement {
print("remoteCall: on:\(actor), target:\(target), invocation:\(invocationEncoder), throwing:\(errorType), returning:\(returnType)")
return "<REMOTE CALL>" as! Res
}
public func remoteCallVoid<Act, Err>(
on actor: Act,
target: RemoteCallTarget,
invocation invocationEncoder: inout InvocationEncoder,
throwing errorType: Err.Type
) async throws
where Act: DistributedActor,
Act.ID == ActorID,
Err: Error {
print("remoteCallVoid: on:\(actor), target:\(target), invocation:\(invocationEncoder), throwing:\(errorType)")
return ()
}
}
// === Sending / encoding -------------------------------------------------
public struct FakeInvocationEncoder: DistributedTargetInvocationEncoder {
public typealias SerializationRequirement = Codable
public mutating func recordGenericSubstitution<T>(_ type: T.Type) throws {}
public mutating func recordArgument<Value: SerializationRequirement>(_ argument: RemoteCallArgument<Value>) throws {}
public mutating func recordReturnType<R: SerializationRequirement>(_ type: R.Type) throws {}
public mutating func recordErrorType<E: Error>(_ type: E.Type) throws {}
public mutating func doneRecording() throws {}
}
// === Receiving / decoding -------------------------------------------------
public class FakeInvocationDecoder : DistributedTargetInvocationDecoder {
public typealias SerializationRequirement = Codable
public func decodeGenericSubstitutions() throws -> [Any.Type] { [] }
public func decodeNextArgument<Argument: SerializationRequirement>() throws -> Argument { fatalError() }
public func decodeReturnType() throws -> Any.Type? { nil }
public 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)")
}
}
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