| // RUN: %target-typecheck-verify-swift |
| |
| // REQUIRES: objc_interop |
| |
| @IBAction // expected-error {{@IBAction may only be used on 'func' declarations}} {{1-11=}} |
| var iboutlet_global: Int |
| |
| var iboutlet_accessor: Int { |
| @IBAction // expected-error {{@IBAction may only be used on 'func' declarations}} {{3-13=}} |
| get { return 42 } |
| } |
| |
| @IBAction // expected-error {{@IBAction may only be used on 'func' declarations}} {{1-11=}} |
| class IBOutletClassTy {} |
| @IBAction // expected-error {{@IBAction may only be used on 'func' declarations}} {{1-11=}} |
| struct IBStructTy {} |
| |
| @IBAction // expected-error {{only instance methods can be declared @IBAction}} {{1-11=}} |
| func IBFunction() -> () {} |
| |
| class IBActionWrapperTy { |
| @IBAction |
| func click(_: AnyObject) -> () {} // no-warning |
| |
| func outer(_: AnyObject) -> () { |
| @IBAction // expected-error {{only instance methods can be declared @IBAction}} {{5-15=}} |
| func inner(_: AnyObject) -> () {} |
| } |
| @IBAction // expected-error {{@IBAction may only be used on 'func' declarations}} {{3-13=}} |
| var value : Void = () |
| |
| @IBAction |
| func process(x: AnyObject) -> Int {} // expected-error {{methods declared @IBAction must return 'Void' (not 'Int')}} |
| |
| // @IBAction does /not/ semantically imply @objc. |
| @IBAction // expected-note {{attribute already specified here}} |
| @IBAction // expected-error {{duplicate attribute}} |
| func doMagic(_: AnyObject) -> () {} |
| |
| @IBAction @objc |
| func moreMagic(_: AnyObject) -> () {} // no-warning |
| @objc @IBAction |
| func evenMoreMagic(_: AnyObject) -> () {} // no-warning |
| } |
| |
| struct S { } |
| enum E { } |
| |
| protocol P1 { } |
| protocol P2 { } |
| |
| protocol CP1 : class { } |
| protocol CP2 : class { } |
| |
| @objc protocol OP1 { } |
| @objc protocol OP2 { } |
| |
| |
| // Check which argument types @IBAction can take. |
| @objc class X { |
| // Class type |
| @IBAction func action1(_: X) {} |
| @IBAction func action2(_: X?) {} |
| @IBAction func action3(_: X!) {} |
| |
| // AnyObject |
| @IBAction func action4(_: AnyObject) {} |
| @IBAction func action5(_: AnyObject?) {} |
| @IBAction func action6(_: AnyObject!) {} |
| |
| // Any |
| @IBAction func action4a(_: Any) {} |
| @IBAction func action5a(_: Any?) {} |
| @IBAction func action6a(_: Any!) {} |
| |
| // Protocol types |
| @IBAction func action7(_: P1) {} // expected-error{{argument to @IBAction method cannot have non-object type 'P1'}} |
| // expected-error@-1{{method cannot be marked @IBAction because the type of the parameter cannot be represented in Objective-C}} |
| // expected-note@-2{{protocol-constrained type containing protocol 'P1' cannot be represented in Objective-C}} |
| @IBAction func action8(_: CP1) {} // expected-error{{argument to @IBAction method cannot have non-object type 'CP1'}} |
| // expected-error@-1{{method cannot be marked @IBAction because the type of the parameter cannot be represented in Objective-C}} |
| // expected-note@-2{{protocol-constrained type containing protocol 'CP1' cannot be represented in Objective-C}} |
| @IBAction func action9(_: OP1) {} |
| @IBAction func action10(_: P1?) {} // expected-error{{argument to @IBAction method cannot have non-object type}} |
| // expected-error@-1{{method cannot be marked @IBAction because the type of the parameter cannot be represented in Objective-C}} |
| @IBAction func action11(_: CP1?) {} // expected-error{{argument to @IBAction method cannot have non-object type}} |
| // expected-error@-1{{method cannot be marked @IBAction because the type of the parameter cannot be represented in Objective-C}} |
| @IBAction func action12(_: OP1?) {} |
| @IBAction func action13(_: P1!) {} // expected-error{{argument to @IBAction method cannot have non-object type}} |
| // expected-error@-1{{method cannot be marked @IBAction because the type of the parameter cannot be represented in Objective-C}} |
| @IBAction func action14(_: CP1!) {} // expected-error{{argument to @IBAction method cannot have non-object type}} |
| // expected-error@-1{{method cannot be marked @IBAction because the type of the parameter cannot be represented in Objective-C}} |
| @IBAction func action15(_: OP1!) {} |
| |
| // Class metatype |
| @IBAction func action15b(_: X.Type) {} // expected-error{{argument to @IBAction method cannot have non-object type}} |
| @IBAction func action16(_: X.Type?) {} // expected-error{{argument to @IBAction method cannot have non-object type}} |
| @IBAction func action17(_: X.Type!) {} // expected-error{{argument to @IBAction method cannot have non-object type}} |
| |
| // AnyClass |
| @IBAction func action18(_: AnyClass) {} // expected-error{{argument to @IBAction method cannot have non-object type}} |
| @IBAction func action19(_: AnyClass?) {} // expected-error{{argument to @IBAction method cannot have non-object type}} |
| @IBAction func action20(_: AnyClass!) {} // expected-error{{argument to @IBAction method cannot have non-object type}} |
| |
| // Protocol types |
| @IBAction func action21(_: P1.Type) {} // expected-error{{argument to @IBAction method cannot have non-object type}} |
| // expected-error@-1{{method cannot be marked @IBAction because the type of the parameter cannot be represented in Objective-C}} |
| @IBAction func action22(_: CP1.Type) {} // expected-error{{argument to @IBAction method cannot have non-object type}} |
| // expected-error@-1{{method cannot be marked @IBAction because the type of the parameter cannot be represented in Objective-C}} |
| @IBAction func action23(_: OP1.Type) {} // expected-error{{argument to @IBAction method cannot have non-object type}} |
| @IBAction func action24(_: P1.Type?) {} // expected-error{{argument to @IBAction method cannot have non-object type}} |
| // expected-error@-1{{method cannot be marked @IBAction because the type of the parameter cannot be represented in Objective-C}} |
| @IBAction func action25(_: CP1.Type?) {} // expected-error{{argument to @IBAction method cannot have non-object type}} |
| // expected-error@-1{{method cannot be marked @IBAction because the type of the parameter cannot be represented in Objective-C}} |
| @IBAction func action26(_: OP1.Type?) {} // expected-error{{argument to @IBAction method cannot have non-object type}} |
| @IBAction func action27(_: P1.Type!) {} // expected-error{{argument to @IBAction method cannot have non-object type}} |
| //expected-error@-1{{method cannot be marked @IBAction because the type of the parameter cannot be represented in Objective-C}} |
| @IBAction func action28(_: CP1.Type!) {} // expected-error{{argument to @IBAction method cannot have non-object type}} |
| //expected-error@-1{{method cannot be marked @IBAction because the type of the parameter cannot be represented in Objective-C}} |
| @IBAction func action29(_: OP1.Type!) {} // expected-error{{argument to @IBAction method cannot have non-object type}} |
| |
| // Other bad cases |
| @IBAction func action30(_: S) {} // expected-error{{argument to @IBAction method cannot have non-object type}} |
| // expected-error@-1{{method cannot be marked @IBAction because the type of the parameter cannot be represented in Objective-C}} |
| // expected-note@-2{{Swift structs cannot be represented in Objective-C}} |
| @IBAction func action31(_: E) {} // expected-error{{argument to @IBAction method cannot have non-object type}} |
| // expected-error@-1{{method cannot be marked @IBAction because the type of the parameter cannot be represented in Objective-C}} |
| // expected-note@-2{{non-'@objc' enums cannot be represented in Objective-C}} |
| init() { } |
| } |