From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- clang/test/SemaObjC/id-isa-ref.m | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 clang/test/SemaObjC/id-isa-ref.m (limited to 'clang/test/SemaObjC/id-isa-ref.m') diff --git a/clang/test/SemaObjC/id-isa-ref.m b/clang/test/SemaObjC/id-isa-ref.m new file mode 100644 index 0000000..c2debb0 --- /dev/null +++ b/clang/test/SemaObjC/id-isa-ref.m @@ -0,0 +1,35 @@ +// RUN: %clang_cc1 -fsyntax-only -verify %s + +typedef struct objc_object { + struct objc_class *isa; +} *id; + +@interface NSObject { + struct objc_class *isa; +} +@end +@interface Whatever : NSObject ++self; +@end + +static void func() { + + id x; + + // rdar://8290002 + [(*x).isa self]; // expected-warning {{direct access to objective-c's isa is deprecated in favor of object_setClass() and object_getClass()}} + [x->isa self]; // expected-warning {{direct access to objective-c's isa is deprecated in favor of object_setClass() and object_getClass()}} + + Whatever *y; + + // GCC allows this, with the following warning: + // instance variable 'isa' is @protected; this will be a hard error in the future + // + // FIXME: see if we can avoid the 2 warnings that follow the error. + [(*y).isa self]; // expected-error {{instance variable 'isa' is protected}} \ + expected-warning{{receiver type 'struct objc_class *' is not 'id' or interface pointer, consider casting it to 'id'}} \ + expected-warning{{method '-self' not found (return type defaults to 'id')}} + [y->isa self]; // expected-error {{instance variable 'isa' is protected}} \ + expected-warning{{receiver type 'struct objc_class *' is not 'id' or interface pointer, consider casting it to 'id'}} \ + expected-warning{{method '-self' not found (return type defaults to 'id')}} +} -- cgit v1.2.3