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43 lines
1.7 KiB
Swift
43 lines
1.7 KiB
Swift
// RUN: %target-swift-frontend %s -emit-silgen -emit-verbose-sil -disable-objc-attr-requires-foundation-module | FileCheck %s
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// REQUIRES: objc_interop
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@objc class ObjCClass {}
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class A {
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dynamic subscript (i: Int) -> ObjCClass {
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get {
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return ObjCClass()
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}
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set {}
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}
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}
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// CHECK-LABEL: sil hidden @_TF14objc_subscript16testSubscriptGet
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func testSubscriptGet(a: A, i: Int) -> ObjCClass {
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// CHECK: class_method [volatile] [[OBJ:%[0-9]+]] : $A, #A.subscript!getter.1.foreign : A -> (Int) -> ObjCClass , $@convention(objc_method) (Int, A) -> @autoreleased ObjCClass
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return a[i]
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}
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// CHECK-LABEL: sil hidden @_TF14objc_subscript16testSubscriptSet
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func testSubscriptSet(a: A, i: Int, v: ObjCClass) {
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// CHECK: class_method [volatile] [[OBJ:%[0-9]+]] : $A, #A.subscript!setter.1.foreign : A -> (ObjCClass, Int) -> () , $@convention(objc_method) (ObjCClass, Int, A) -> ()
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a[i] = v
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}
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// 'super' subscript usage
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class B : A {
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@objc override subscript (i: Int) -> ObjCClass {
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// CHECK-LABEL: sil hidden @_TFC14objc_subscript1Bg9subscriptFSiCS_9ObjCClass : $@convention(method) (Int, @guaranteed B) -> @owned ObjCClass
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get {
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// CHECK: super_method [volatile] [[SELF:%[0-9]+]] : $B, #A.subscript!getter.1.foreign : A -> (Int) -> ObjCClass , $@convention(objc_method) (Int, A) -> @autoreleased ObjCClass
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return super[i]
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}
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// CHECK-LABEL: sil hidden @_TFC14objc_subscript1Bs9subscriptFSiCS_9ObjCClass : $@convention(method) (@owned ObjCClass, Int, @guaranteed B) -> ()
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set(value) {
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// CHECK: super_method [volatile] [[SELF:%[0-9]+]] : $B, #A.subscript!setter.1.foreign : A -> (ObjCClass, Int) -> () , $@convention(objc_method) (ObjCClass, Int, A) -> ()
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super[i] = value
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}
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}
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}
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