File: call-unavailable-init-in-self.m

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (86 lines) | stat: -rw-r--r-- 1,564 bytes parent folder | download | duplicates (13)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
// RUN: %clang_cc1 -x objective-c -verify -fobjc-arc %s

@interface NSObject

+ (instancetype)new;
+ (instancetype)alloc;

- (void)declaredInSuper;

@end

@interface NSObject (Category)

- (void)declaredInSuperCategory;

@end

@interface Sub: NSObject

- (instancetype)init __attribute__((unavailable)); // expected-note 4 {{'init' has been explicitly marked unavailable here}}

- (void)notImplemented __attribute__((unavailable));

- (void)declaredInSuper __attribute__((unavailable));
- (void)declaredInSuperCategory __attribute__((unavailable));

@end

@implementation Sub

+ (Sub *)create {
  return [[self alloc] init];
}

+ (Sub *)create2 {
  return [self new];
}

+ (Sub *)create3 {
  return [Sub new];
}

- (instancetype) init {
  return self;
}

- (void)reportUseOfUnimplemented {
  [self notImplemented];
}

- (void)allowSuperCallUsingSelf {
  [self declaredInSuper];
  [[Sub alloc] declaredInSuper];
  [self declaredInSuperCategory];
  [[Sub alloc] declaredInSuperCategory];
}

@end

@interface SubClassContext: Sub
@end

@implementation SubClassContext

- (void)subClassContext {
  (void)[[Sub alloc] init]; // expected-error {{'init' is unavailable}}
  (void)[Sub new]; // expected-error {{'new' is unavailable}}
}

@end

void unrelatedContext(void) {
  (void)[[Sub alloc] init]; // expected-error {{'init' is unavailable}}
  (void)[Sub new]; // expected-error {{'new' is unavailable}}
}

@interface X @end

@interface X (Foo)
-(void)meth __attribute__((unavailable));
@end

@implementation X (Foo)
-(void)meth {}
-(void)call_it { [self meth]; }
@end