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f7fc74332c
We need to use ObjC dispatch to get to the witness of an ObjC protocol requirement. The wrong answer here was causing us to do the wrong thing when producing identifiers for key paths that refer to ObjC protocol requirements.
91 lines
2.9 KiB
Swift
91 lines
2.9 KiB
Swift
// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -emit-silgen -import-objc-header %S/Inputs/keypaths_objc.h %s | %FileCheck %s
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// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -emit-ir -import-objc-header %S/Inputs/keypaths_objc.h %s
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// REQUIRES: objc_interop
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import Foundation
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struct NonObjC {
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var x: Int
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var y: NSObject
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}
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class Foo: NSObject {
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@objc var int: Int { fatalError() }
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@objc var bar: Bar { fatalError() }
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var nonobjc: NonObjC { fatalError() }
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@objc(thisIsADifferentName) var differentName: Bar { fatalError() }
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@objc subscript(x: Int) -> Foo { return self }
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@objc subscript(x: Bar) -> Foo { return self }
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dynamic var dyn: String { fatalError() }
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}
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class Bar: NSObject {
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@objc var foo: Foo { fatalError() }
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}
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// CHECK-LABEL: sil hidden @_T013keypaths_objc0B8KeypathsyyF
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func objcKeypaths() {
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// CHECK: keypath $WritableKeyPath<NonObjC, Int>, (root
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_ = \NonObjC.x
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// CHECK: keypath $WritableKeyPath<NonObjC, NSObject>, (root
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_ = \NonObjC.y
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// CHECK: keypath $KeyPath<Foo, Int>, (objc "int"
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_ = \Foo.int
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// CHECK: keypath $KeyPath<Foo, Bar>, (objc "bar"
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_ = \Foo.bar
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// CHECK: keypath $KeyPath<Foo, Foo>, (objc "bar.foo"
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_ = \Foo.bar.foo
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// CHECK: keypath $KeyPath<Foo, Bar>, (objc "bar.foo.bar"
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_ = \Foo.bar.foo.bar
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// CHECK: keypath $KeyPath<Foo, NonObjC>, (root
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_ = \Foo.nonobjc
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// CHECK: keypath $KeyPath<Foo, NSObject>, (root
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_ = \Foo.bar.foo.nonobjc.y
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// CHECK: keypath $KeyPath<Foo, Bar>, (objc "thisIsADifferentName"
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_ = \Foo.differentName
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}
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// CHECK-LABEL: sil hidden @_T013keypaths_objc0B18KeypathIdentifiersyyF
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func objcKeypathIdentifiers() {
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// CHECK: keypath $KeyPath<ObjCFoo, String>, (objc "objcProp"; {{.*}} id #ObjCFoo.objcProp!getter.1.foreign
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_ = \ObjCFoo.objcProp
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// CHECK: keypath $KeyPath<Foo, String>, (objc "dyn"; {{.*}} id #Foo.dyn!getter.1.foreign
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_ = \Foo.dyn
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// CHECK: keypath $KeyPath<Foo, Int>, (objc "int"; {{.*}} id #Foo.int!getter.1 :
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_ = \Foo.int
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}
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struct X {}
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extension NSObject {
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var x: X { return X() }
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@objc var objc: Int { return 0 }
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@objc dynamic var dynamic: Int { return 0 }
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}
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// CHECK-LABEL: sil hidden @{{.*}}nonobjcExtensionOfObjCClass
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func nonobjcExtensionOfObjCClass() {
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// Should be treated as a statically-dispatch property
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// CHECK: keypath $KeyPath<NSObject, X>, ({{.*}} id @
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_ = \NSObject.x
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// CHECK: keypath $KeyPath<NSObject, Int>, ({{.*}} id #NSObject.objc!getter.1.foreign
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_ = \NSObject.objc
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// CHECK: keypath $KeyPath<NSObject, Int>, ({{.*}} id #NSObject.dynamic!getter.1.foreign
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_ = \NSObject.dynamic
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}
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@objc protocol ObjCProto {
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var objcRequirement: Int { get set }
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}
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// CHECK-LABEL: sil hidden @{{.*}}ProtocolRequirement
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func objcProtocolRequirement<T: ObjCProto>(_: T) {
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// CHECK: keypath {{.*}} id #ObjCProto.objcRequirement!getter.1.foreign
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_ = \T.objcRequirement
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// CHECK: keypath {{.*}} id #ObjCProto.objcRequirement!getter.1.foreign
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_ = \ObjCProto.objcRequirement
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}
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