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objective-c default synthesis. classes which adopt protocol properties 

must still auto synthesize those propeties which have been redeclared 
in the class. // rdar://10907410

llvm-svn: 151268
This commit is contained in:
Fariborz Jahanian 2012-02-23 18:21:25 +00:00
parent 6fbcd8d439
commit 2f0de8bdb9
2 changed files with 32 additions and 1 deletions
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1
clang/lib/Sema/SemaObjCProperty.cpp
View File

@ -1277,6 +1277,7 @@ static void CollectClassPropertyImplementations(ObjCContainerDecl *CDecl,
for (ObjCProtocolDecl::prop_iterator P = PDecl->prop_begin(),
E = PDecl->prop_end(); P != E; ++P) {
ObjCPropertyDecl *Prop = (*P);
if (!PropMap.count(Prop->getIdentifier()))
PropMap[Prop->getIdentifier()] = Prop;
}
// scan through protocol's protocols.

30
clang/test/CodeGenObjC/auto-property-synthesize-protocol.m Normal file
View File

@ -0,0 +1,30 @@
// RUN: %clang_cc1 -triple x86_64-apple-darwin -fobjc-default-synthesize-properties -emit-llvm %s -o - | FileCheck %s
// rdar://10907410
@protocol P
@optional
@property int auto_opt_window;
@property int no_auto_opt_window;
@required
@property int auto_req_window;
@property int no_auto_req_window; // expected-note {{property declared here}}
@end
@interface I<P>
@property int auto_opt_window;
@property int auto_req_window;
@end
@implementation I // expected-warning {{auto property synthesis will not synthesize property declared in a protocol}}
@end
// CHECK: define internal i32 @"\01-[I auto_req_window]"(
// CHECK: define internal void @"\01-[I setAuto_req_window:]"(
// CHECK: define internal i32 @"\01-[I auto_opt_window]"(
// CHECK: define internal void @"\01-[I setAuto_opt_window:]"(
// CHECK-NOT: define internal i32 @"\01-[I no_auto_opt_window]"(
// CHECK-NOT: define internal void @"\01-[I setNo_auto_opt_window:]"(
// CHECK-NOT: define internal i32 @"\01-[I no_auto_req_window]"(
// CHECK-NOT: define internal void @"\01-[I setNo_auto_req_window:]"(