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// RUN: %target-run-simple-swift(-import-objc-header %S/Inputs/objc_implementation.h -D TOP_LEVEL_CODE -swift-version 5 -enable-experimental-feature CImplementation -target %target-stable-abi-triple) %s | %FileCheck %s
// REQUIRES: executable_test
// REQUIRES: objc_interop
// REQUIRES: swift_feature_CImplementation
import Foundation
// A class whose deallocation is detectable, so we can verify that deinits
// are correctly synthesized.
class LastWords {
var text: String
init(text: String) {
self.text = text
}
deinit {
print(text, "It's better to burn out than to fade away.")
}
}
@_objcImplementation extension ImplClass {
@objc override init() {
print("ImplClass.init()")
self.implProperty = 0
self.object = LastWords(text: String(describing: type(of: self)))
super.init()
}
@objc var implProperty: Int
final var object: LastWords
final weak var defaultNilProperty: AnyObject?
@objc var defaultIntProperty: Int = 17
@objc class func runTests() {
implFunc(2023 - 34)
do {
print("*** ImplClass init ***")
let impl = ImplClass()
impl.testSelf()
print("*** ImplClass end ***")
}
do {
print("*** SwiftSubclass init ***")
let swiftSub = SwiftSubclass()
swiftSub.testSelf()
print("*** SwiftSubclass end ***")
}
}
@objc func testSelf() {
#if RESILIENCE
let resilientImpl = Self.makeResilientImpl()
resilientImpl.printSelf(withLabel: 1)
resilientImpl.mutate()
resilientImpl.printSelf(withLabel: 2)
#endif
self.printSelf(withLabel: 1)
self.implProperty = 42
self.printSelf(withLabel: 2)
}
@objc func printSelf(withLabel label: CInt) {
let type = type(of: self)
print("*** \(type) #\(label) ***")
print("\(type).someMethod() =", self.someMethod())
print("\(type).implProperty =", self.implProperty)
print("\(type).defaultIntProperty =", self.defaultIntProperty)
print("\(type).description =", self.description)
}
@objc func someMethod() -> String { "ImplClass" }
@objc class func makeResilientImpl() -> ImplClassWithResilientStoredProperty {
#if RESILIENCE
ImplClassWithResilientStoredProperty()
#else
fatalError()
#endif
}
open override var description: String {
"ImplClass(implProperty: \(implProperty), object: \(object))"
}
}
class SwiftSubclass: ImplClass {
@objc var otherProperty: Int = 1
override init() {
print("SwiftSubclass.init()")
super.init()
}
override func someMethod() -> String { "SwiftSubclass" }
override func testSelf() {
super.testSelf()
self.otherProperty = 13
self.printSelf(withLabel: 3)
}
override func printSelf(withLabel label: CInt) {
super.printSelf(withLabel: label)
let type = type(of: self)
print("\(type).otherProperty =", self.otherProperty)
}
#if RESILIENCE
override class func makeResilientImpl() -> ImplClassWithResilientStoredProperty {
SwiftResilientStoredSubclass()
}
#endif
}
#if RESILIENCE
@_objcImplementation extension ImplClassWithResilientStoredProperty {
final var mirror: Mirror?
final var afterMirrorProperty: Int
public override init() {
self.mirror = nil
self.afterMirrorProperty = 0
}
@objc func printSelf(withLabel label: CInt) {
let type = type(of: self)
print("*** \(type) #\(label) ***")
print("\(type).mirror =", self.mirror as Any)
print("\(type).afterMirrorProperty =", self.afterMirrorProperty)
}
@objc func mutate() {
self.afterMirrorProperty = 42
}
}
extension SwiftSubclass {
class SwiftResilientStoredSubclass: ImplClassWithResilientStoredProperty {
final var mirror2: Mirror?
final var afterMirrorProperty2: Int
public override init() {
self.mirror2 = nil
self.afterMirrorProperty2 = 1
}
override func printSelf(withLabel label: CInt) {
super.printSelf(withLabel: label)
let type = type(of: self)
print("\(type).mirror2 =", self.mirror2 as Any)
print("\(type).afterMirrorProperty2 =", self.afterMirrorProperty2)
}
override func mutate() {
super.mutate()
self.afterMirrorProperty2 = 43
}
}
}
#endif
@_objcImplementation @_cdecl("implFunc") public func implFunc(_ param: Int32) {
print("implFunc(\(param))")
}
// `#if swift` to ignore the inactive branch's contents
#if swift(>=5.0) && TOP_LEVEL_CODE
ImplClass.runTests()
// CHECK: implFunc(1989)
// CHECK-LABEL: *** ImplClass init ***
// CHECK: ImplClass.init()
// CHECK-RESILIENCE-LABEL: *** ImplClassWithResilientStoredProperty #1 ***
// CHECK-RESILIENCE: ImplClassWithResilientStoredProperty.mirror = nil
// CHECK-RESILIENCE: ImplClassWithResilientStoredProperty.afterMirrorProperty = 0
// CHECK-RESILIENCE-LABEL: *** ImplClassWithResilientStoredProperty #2 ***
// CHECK-RESILIENCE: ImplClassWithResilientStoredProperty.mirror = nil
// CHECK-RESILIENCE: ImplClassWithResilientStoredProperty.afterMirrorProperty = 42
// CHECK-LABEL: *** ImplClass #1 ***
// CHECK: ImplClass.someMethod() = ImplClass
// CHECK: ImplClass.implProperty = 0
// CHECK: ImplClass.defaultIntProperty = 17
// CHECK: ImplClass.description = ImplClass(implProperty: 0, object: main.LastWords)
// CHECK-LABEL: *** ImplClass #2 ***
// CHECK: ImplClass.someMethod() = ImplClass
// CHECK: ImplClass.implProperty = 42
// CHECK: ImplClass.defaultIntProperty = 17
// CHECK: ImplClass.description = ImplClass(implProperty: 42, object: main.LastWords)
// CHECK-LABEL: *** ImplClass end ***
// CHECK: ImplClass It's better to burn out than to fade away.
// CHECK-LABEL: *** SwiftSubclass init ***
// CHECK: SwiftSubclass.init()
// CHECK: ImplClass.init()
// CHECK-RESILIENCE-LABEL: *** SwiftResilientStoredSubclass #1 ***
// CHECK-RESILIENCE: SwiftResilientStoredSubclass.mirror = nil
// CHECK-RESILIENCE: SwiftResilientStoredSubclass.afterMirrorProperty = 0
// CHECK-RESILIENCE: SwiftResilientStoredSubclass.mirror2 = nil
// CHECK-RESILIENCE: SwiftResilientStoredSubclass.afterMirrorProperty2 = 1
// CHECK-RESILIENCE-LABEL: *** SwiftResilientStoredSubclass #2 ***
// CHECK-RESILIENCE: SwiftResilientStoredSubclass.mirror = nil
// CHECK-RESILIENCE: SwiftResilientStoredSubclass.afterMirrorProperty = 42
// CHECK-RESILIENCE: SwiftResilientStoredSubclass.mirror2 = nil
// CHECK-RESILIENCE: SwiftResilientStoredSubclass.afterMirrorProperty2 = 43
// CHECK-LABEL: *** SwiftSubclass #1 ***
// CHECK: SwiftSubclass.someMethod() = SwiftSubclass
// CHECK: SwiftSubclass.implProperty = 0
// CHECK: SwiftSubclass.defaultIntProperty = 17
// CHECK: SwiftSubclass.description = ImplClass(implProperty: 0, object: main.LastWords)
// CHECK: SwiftSubclass.otherProperty = 1
// CHECK-LABEL: *** SwiftSubclass #2 ***
// CHECK: SwiftSubclass.someMethod() = SwiftSubclass
// CHECK: SwiftSubclass.implProperty = 42
// CHECK: SwiftSubclass.defaultIntProperty = 17
// CHECK: SwiftSubclass.description = ImplClass(implProperty: 42, object: main.LastWords)
// CHECK: SwiftSubclass.otherProperty = 1
// CHECK-LABEL: *** SwiftSubclass #3 ***
// CHECK: SwiftSubclass.someMethod() = SwiftSubclass
// CHECK: SwiftSubclass.implProperty = 42
// CHECK: SwiftSubclass.defaultIntProperty = 17
// CHECK: SwiftSubclass.description = ImplClass(implProperty: 42, object: main.LastWords)
// CHECK: SwiftSubclass.otherProperty = 13
// CHECK-LABEL: *** SwiftSubclass end ***
// CHECK: SwiftSubclass It's better to burn out than to fade away.
#endif
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