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Sema: Allow @objc on some generic things

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Add some new tests now that everything is in place.

Swift SVN r29140
This commit is contained in:
Slava Pestov
2015-05-29 06:19:09 +00:00
parent 2eac5bc755
commit 05ae0dbdb2
5 changed files with 95 additions and 52 deletions
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34
test/SILGen/objc_thunks.swift
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@@ -249,8 +249,16 @@ class Hoozit : Gizmo {
}
}
// Don't export generics to ObjC yet
class Wotsit<T> : Gizmo {
// CHECK-LABEL: sil hidden @_TToFC11objc_thunks6Wotsit5plainurfGS0_q__FT_T_ : $@convention(objc_method) <T> (Wotsit<T>) -> () {
// CHECK-NEXT: bb0([[SELF:%.*]] : $Wotsit<T>):
// CHECK-NEXT: strong_retain [[SELF]] : $Wotsit<T>
// CHECK-NEXT: // function_ref
// CHECK-NEXT: [[NATIVE:%.*]] = function_ref @_TFC11objc_thunks6Wotsit5plainurfGS0_q__FT_T_ : $@convention(method) <τ_0_0> (@guaranteed Wotsit<τ_0_0>) -> ()
// CHECK-NEXT: [[RESULT:%.*]] = apply [[NATIVE]]<T>([[SELF]]) : $@convention(method) <τ_0_0> (@guaranteed Wotsit<τ_0_0>) -> ()
// CHECK-NEXT: strong_release [[SELF]] : $Wotsit<T>
// CHECK-NEXT: return [[RESULT]] : $()
// CHECK-NEXT: }
func plain() { }
func generic<U>(x: U) {}
@@ -261,11 +269,27 @@ class Wotsit<T> : Gizmo {
self.property = t
super.init()
}
// CHECK-LABEL: sil hidden @_TToFC11objc_thunks6Wotsitg11descriptionSS : $@convention(objc_method) <T> (Wotsit<T>) -> @autoreleased NSString {
// CHECK-NEXT: bb0([[SELF:%.*]] : $Wotsit<T>):
// CHECK-NEXT: strong_retain [[SELF]] : $Wotsit<T>
// CHECK-NEXT: // function_ref
// CHECK-NEXT: [[NATIVE:%.*]] = function_ref @_TFC11objc_thunks6Wotsitg11descriptionSS : $@convention(method) <τ_0_0> (@guaranteed Wotsit<τ_0_0>) -> @owned String
// CHECK-NEXT: [[RESULT:%.*]] = apply [[NATIVE:%.*]]<T>([[SELF]]) : $@convention(method) <τ_0_0> (@guaranteed Wotsit<τ_0_0>) -> @owned String
// CHECK-NEXT: strong_release [[SELF]] : $Wotsit<T>
// CHECK-NEXT: // function_ref
// CHECK-NEXT: [[BRIDGE:%.*]] = function_ref @swift_StringToNSString : $@convention(thin) (@owned String) -> @owned NSString
// CHECK-NEXT: [[NSRESULT:%.*]] = apply [[BRIDGE]]([[RESULT]]) : $@convention(thin) (@owned String) -> @owned NSString
// CHECK-NEXT: autorelease_return [[NSRESULT]] : $NSString
// CHECK-NEXT: }
override var description : String {
return "Hello, world."
}
// Ivar destroyer
// CHECK: sil hidden @_TToF{{.*}}WotsitE
}
// We should emit no @objc symbols except for the deallocator and ivar
// destroyer.
// CHECK-NOT: sil hidden @_TToF{{.*}}Wotsit{{.*}}
// CHECK: sil hidden @_TToF{{.*}}WotsitE
// CHECK-NOT: sil hidden @_TToF{{.*}}Wotsit{{.*}}
// Extension initializers, properties and methods need thunks too.