File: ObjCPropertiesSyntaxChecks.m

package info (click to toggle)
llvm-toolchain-4.0 1%3A4.0.1-10~deb9u2
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 493,332 kB
  • sloc: cpp: 2,698,100; ansic: 552,773; asm: 128,821; python: 121,589; objc: 105,054; sh: 21,174; lisp: 6,758; ml: 5,532; perl: 5,311; pascal: 5,245; makefile: 2,083; cs: 1,868; xml: 686; php: 212; csh: 117
file content (61 lines) | stat: -rw-r--r-- 2,876 bytes parent folder | download
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
// RUN: %clang_cc1 -w -fblocks -analyze -analyzer-checker=osx.ObjCProperty %s -verify

#include "Inputs/system-header-simulator-objc.h"

@interface I : NSObject {
  NSMutableString *_mutableExplicitStr;
  NSMutableString *_trulyMutableStr;
  NSMutableString *_trulyMutableExplicitStr;
}
@property(copy) NSString *str; // no-warning
@property(copy) NSMutableString *mutableStr; // expected-warning{{Property of mutable type 'NSMutableString' has 'copy' attribute; an immutable object will be stored instead}}
@property(copy) NSMutableString *mutableExplicitStr; // expected-warning{{Property of mutable type 'NSMutableString' has 'copy' attribute; an immutable object will be stored instead}}
@property(copy, readonly) NSMutableString *mutableReadonlyStr; // no-warning
@property(copy, readonly) NSMutableString *mutableReadonlyStrOverriddenInChild; // no-warning
@property(copy, readonly) NSMutableString *mutableReadonlyStrOverriddenInCategory; // no-warning
@property(copy) NSMutableString *trulyMutableStr; // no-warning
@property(copy) NSMutableString *trulyMutableExplicitStr; // no-warning
@property(copy) NSMutableString *trulyMutableStrWithSynthesizedStorage; // no-warning
@end

@interface I () {}
@property(copy) NSMutableString *mutableStrInCategory; // expected-warning{{Property of mutable type 'NSMutableString' has 'copy' attribute; an immutable object will be stored instead}}
@property (copy, readwrite) NSMutableString *mutableReadonlyStrOverriddenInCategory; // expected-warning{{Property of mutable type 'NSMutableString' has 'copy' attribute; an immutable object will be stored instead}}
@end

@implementation I
@synthesize mutableExplicitStr = _mutableExplicitStr;
- (NSMutableString *)trulyMutableStr {
  return _trulyMutableStr;
}
- (void)setTrulyMutableStr: (NSMutableString *) S {
  _trulyMutableStr = [S mutableCopy];
}
@dynamic trulyMutableExplicitStr;
- (NSMutableString *)trulyMutableExplicitStr {
  return _trulyMutableExplicitStr;
}
- (void)setTrulyMutableExplicitStr: (NSMutableString *) S {
  _trulyMutableExplicitStr = [S mutableCopy];
}
@synthesize trulyMutableStrWithSynthesizedStorage;
- (NSMutableString *)trulyMutableStrWithSynthesizedStorage {
  return trulyMutableStrWithSynthesizedStorage;
}
- (void)setTrulyMutableStrWithSynthesizedStorage: (NSMutableString *) S {
  trulyMutableStrWithSynthesizedStorage = [S mutableCopy];
}
@end

@interface J : I {}
@property (copy, readwrite) NSMutableString *mutableReadonlyStrOverriddenInChild; // expected-warning{{Property of mutable type 'NSMutableString' has 'copy' attribute; an immutable object will be stored instead}}
@end

@implementation J
@end

// If we do not see the implementation then we do not want to warn,
// because we may miss a user-defined setter that works correctly.
@interface IWithoutImpl : NSObject {}
@property(copy) NSMutableString *mutableStr; // no-warning
@end