xref: /llvm-project/clang/test/SemaObjC/nsobject-attribute.m (revision 0f1c1be1968076d6f96f8a7bcc4a15cf195ecd97)
1// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s
2
3typedef struct CGColor * __attribute__ ((NSObject)) CGColorRef;
4typedef struct CGColor * __attribute__((NSObject(12))) Illegal;  // expected-error {{'NSObject' attribute takes no arguments}}
5
6static int count;
7static CGColorRef tmp = 0;
8
9typedef struct S1  __attribute__ ((NSObject)) CGColorRef1; // expected-error {{'NSObject' attribute is for pointer types only}}
10typedef void *  __attribute__ ((NSObject)) CGColorRef2; // no-warning
11typedef void * CFTypeRef;
12
13@interface HandTested {
14@public
15    CGColorRef x;
16}
17
18@property(copy) CGColorRef x;
19typedef struct CGColor * __attribute__((NSObject)) CGColorRefNoNSObject; // no-warning
20@property (nonatomic, retain) CGColorRefNoNSObject color;
21@property (strong) __attribute__((NSObject)) CFTypeRef myObj; // no-warning
22@property (strong, nullable) CGColorRefNoNSObject color2; // no-warning
23@end
24
25void setProperty(id self, id value)  {
26  ((HandTested *)self)->x = value;
27}
28
29id getProperty(id self) {
30     return (id)((HandTested *)self)->x;
31}
32
33@implementation HandTested
34@synthesize x=x;
35@synthesize myObj;
36@dynamic color;
37@end
38
39int main(int argc, char *argv[]) {
40    HandTested *to;
41    to.x = tmp;  // setter
42    if (tmp != to.x)
43      to.x = tmp;
44    return 0;
45}
46
47@interface I
48{
49   __attribute__((NSObject)) void * color; // expected-warning {{'NSObject' attribute may be put on a typedef only; attribute is ignored}}
50}
51@property (nonatomic, retain) __attribute__((NSObject)) CGColorRefNoNSObject color; // // no-warning
52@end
53void test_10453342(void) {
54    char* __attribute__((NSObject)) string2 = 0; // expected-warning {{'NSObject' attribute may be put on a typedef only; attribute is ignored}}
55}
56
57@interface A { int i; }
58@property(retain) __attribute__((NSObject)) int i; // expected-error {{'NSObject' attribute is for pointer types only}} \
59  						   // expected-error {{property with 'retain (or strong)' attribute must be of object type}}
60@end
61
62@implementation A
63@synthesize i;
64@end
65
66