xref: /llvm-project/clang/test/SemaObjC/method-attributes.m (revision 0f1c1be1968076d6f96f8a7bcc4a15cf195ecd97) 
1// RUN: %clang_cc1 -triple i386-unknown-unknown -verify -fsyntax-only -Wno-objc-root-class %s
2
3@class NSString;
4
5@interface A
6-t1 __attribute__((noreturn));
7- (NSString *)stringByAppendingFormat:(NSString *)format, ... __attribute__((format(__NSString__, 1, 2)));
8-(void) m0 __attribute__((noreturn));
9-(void) m1 __attribute__((unused));
10-(void) m2 __attribute__((stdcall));
11-(void) m3 __attribute__((optnone));
12@end
13
14
15@interface INTF
16- (int) foo1: (int)arg1 __attribute__((deprecated));
17
18- (int) foo: (int)arg1;
19
20- (int) foo2: (int)arg1 __attribute__((deprecated)) __attribute__((unavailable));
21- (int) foo3: (int)arg1 __attribute__((deprecated)) __attribute__((unavailable)) __attribute__((ns_consumes_self));
22@end
23
24@implementation INTF
25- (int) foo: (int)arg1  __attribute__((deprecated)){
26        return 10;
27}
28- (int) foo1: (int)arg1 {
29        return 10;
30}
31- (int) foo2: (int)arg1 __attribute__((deprecated)) {
32        return 10;
33}
34- (int) foo3: (int)arg1 __attribute__((deprecated)) __attribute__((unavailable)) __attribute__((ns_consumes_self)) {return 0; }
35- (void) dep __attribute__((deprecated)) { } // OK private methodn
36@end
37
38@interface Foo
39- (void)doSomething1:(id)sender;
40- (void)doSomething2:(id)sender;
41@end
42
43@implementation Foo
44- (void)doSomething1:(id)sender{}
45- (void)doSomething2:(id)sender{}
46@end
47
48@interface Bar : Foo
49- (IBAction)doSomething1:(id)sender;
50@end
51@implementation Bar
52- (IBAction)doSomething1:(id)sender {}
53- (IBAction)doSomething2:(id)sender {}
54- (IBAction)doSomething3:(id)sender {}
55@end
56
57@interface NSObject @end
58
59@interface Test : NSObject
60-(id)method __attribute__((deprecated));
61-(id)method1;
62-(id)method2 __attribute__((aligned(16)));
63- (id) method3: (int)arg1 __attribute__((aligned(16)))  __attribute__((deprecated)) __attribute__((unavailable));
64- (id) method4: (int)arg1 __attribute__((aligned(16)))  __attribute__((deprecated)) __attribute__((unavailable));
65@end
66
67@implementation Test
68-(id)method __attribute__((aligned(16))) __attribute__((aligned(16))) __attribute__((deprecated)) {
69    return self;
70}
71-(id)method1 __attribute__((aligned(16))) {
72    return self;
73}
74-(id)method2 {
75    return self;
76}
77- (id) method3: (int)arg1 __attribute__((deprecated)) __attribute__((unavailable)) {
78        return self;
79}
80- (id) method4: (int)arg1 __attribute__((aligned(16))) __attribute__((deprecated)) __attribute__((unavailable)) {
81  return self;
82}
83@end
84
85__attribute__((cdecl))  // expected-warning {{'cdecl' attribute only applies to functions and methods}}
86@interface Complain
87@end
88
89@interface rdar15450637 : NSObject
90@property int p __attribute__((section("__TEXT,foo")));
91
92- (id) IMethod :(int) count, ...  __attribute__((section("__TEXT,foo")));
93
94+ (void) CMethod : (id) Obj __attribute__((section("__TEXT,fee")));
95@end
96
97// Section type conflicts between methods/properties and global variables
98const int global1 __attribute__((section("seg1,sec1"))) = 10; // expected-note {{declared here}} expected-note {{declared here}} expected-note {{declared here}}
99int global2 __attribute__((section("seg2,sec2"))) = 10;       // expected-note {{declared here}} expected-note {{declared here}} expected-note {{declared here}}
100
101@interface section_conflicts : NSObject
102@property int p1 __attribute__((section("seg1,sec1"))); // expected-error {{'p1' causes a section type conflict with 'global1'}}
103@property int p2 __attribute__((section("seg2,sec2"))); // expected-error {{'p2' causes a section type conflict with 'global2'}}
104
105- (void)imethod1 __attribute__((section("seg1,sec1"))); // expected-error {{'imethod1' causes a section type conflict with 'global1'}}
106- (void)imethod2 __attribute__((section("seg2,sec2"))); // expected-error {{'imethod2' causes a section type conflict with 'global2'}}
107
108+ (void)cmethod1:(id)Obj __attribute__((section("seg1,sec1"))); // expected-error {{'cmethod1:' causes a section type conflict with 'global1'}}
109+ (void)cmethod2:(id)Obj __attribute__((section("seg2,sec2"))); // expected-error {{'cmethod2:' causes a section type conflict with 'global2'}}
110@end
111