diff options
-rw-r--r-- | lib/Sema/SemaExprObjC.cpp | 3 | ||||
-rw-r--r-- | test/SemaObjC/warn-protocol-method-deprecated.m | 32 |
2 files changed, 35 insertions, 0 deletions
diff --git a/lib/Sema/SemaExprObjC.cpp b/lib/Sema/SemaExprObjC.cpp index 5304f567ee..598ad0b27a 100644 --- a/lib/Sema/SemaExprObjC.cpp +++ b/lib/Sema/SemaExprObjC.cpp @@ -2238,12 +2238,15 @@ ExprResult Sema::BuildInstanceMessage(Expr *Receiver, // We allow sending a message to a qualified ID ("id<foo>"), which is ok as // long as one of the protocols implements the selector (if not, warn). + // And as long as message is not deprecated/unavailable (warn if it is). if (const ObjCObjectPointerType *QIdTy = ReceiverType->getAsObjCQualifiedIdType()) { // Search protocols for instance methods. Method = LookupMethodInQualifiedType(Sel, QIdTy, true); if (!Method) Method = LookupMethodInQualifiedType(Sel, QIdTy, false); + if (Method && DiagnoseUseOfDecl(Method, Loc)) + return ExprError(); } else if (const ObjCObjectPointerType *OCIType = ReceiverType->getAsObjCInterfacePointerType()) { // We allow sending a message to a pointer to an interface (an object). diff --git a/test/SemaObjC/warn-protocol-method-deprecated.m b/test/SemaObjC/warn-protocol-method-deprecated.m new file mode 100644 index 0000000000..928694db25 --- /dev/null +++ b/test/SemaObjC/warn-protocol-method-deprecated.m @@ -0,0 +1,32 @@ +// RUN: %clang_cc1 -fsyntax-only -Wno-objc-root-class -verify %s +// rdar://11618852 + +@protocol TestProtocol +- (void)newProtocolMethod; +- (void)deprecatedProtocolMethod __attribute__((deprecated)); // expected-note 2 {{method 'deprecatedProtocolMethod' declared here}} +@end + +@interface NSObject @end + +@interface TestClass : NSObject <TestProtocol> + +- (void)newInstanceMethod; +- (void)deprecatedInstanceMethod __attribute__((deprecated)); // expected-note {{method 'deprecatedInstanceMethod' declared here}} + +@end + +int main(int argc, const char * argv[]) +{ + + TestClass *testObj = (TestClass*)0; + [testObj newInstanceMethod]; + [testObj deprecatedInstanceMethod]; // expected-warning {{'deprecatedInstanceMethod' is deprecated}} + + [testObj newProtocolMethod]; + [testObj deprecatedProtocolMethod]; // expected-warning {{'deprecatedProtocolMethod' is deprecated}} + + id <TestProtocol> testProto = testObj; + [testProto newProtocolMethod]; + [testProto deprecatedProtocolMethod]; // expected-warning {{'deprecatedProtocolMethod' is deprecated}} + return 0; +} |