1 | // RUN: %clang_analyze_cc1 -analyzer-checker=core,osx.cocoa.RetainCount,osx.cocoa.SelfInit -analyzer-config ipa=dynamic-bifurcate -verify %s |
2 | |
3 | typedef signed char BOOL; |
4 | typedef struct objc_class *Class; |
5 | typedef struct objc_object { |
6 | Class isa; |
7 | } *id; |
8 | @protocol NSObject - (BOOL)isEqual:(id)object; @end |
9 | @interface NSObject <NSObject> {} |
10 | +(id)alloc; |
11 | +(id)new; |
12 | - (oneway void)release; |
13 | -(id)init; |
14 | -(id)autorelease; |
15 | -(id)copy; |
16 | - (Class)class; |
17 | -(id)retain; |
18 | @end |
19 | |
20 | // We do not want to overhelm user with error messages in case they forgot to |
21 | // assign to self and check that the result of [super init] is non-nil. So |
22 | // stop tracking the receiver of init with respect to Retain Release checker. |
23 | // radar://12115830 |
24 | @interface ParentOfCell : NSObject |
25 | - (id)initWithInt: (int)inInt; |
26 | @end |
27 | @interface Cell : ParentOfCell{ |
28 | int x; |
29 | } |
30 | - (id)init; |
31 | + (void)test; |
32 | @property int x; |
33 | @end |
34 | @implementation Cell |
35 | @synthesize x; |
36 | - (id) init { |
37 | [super init]; |
38 | self.x = 3; // no-warning |
39 | return self; // expected-warning {{Returning 'self' while it is not set to the result of '[(super or self)}} |
40 | } |
41 | - (id) initWithInt: (int)inInt { |
42 | [super initWithInt: inInt]; |
43 | self.x = inInt; // no-warning |
44 | return self; // expected-warning {{Returning 'self' while it is not set to the result of '[(super or self)}} |
45 | } |
46 | - (id) init2 { |
47 | [self init]; // The call [self init] is inlined. We will warn inside the inlined body. |
48 | self.x = 2; // no-warning |
49 | return self; |
50 | } |
51 | |
52 | - (id) initWithIntGood: (int)inInt { |
53 | if (self = [super initWithInt: inInt]) { |
54 | self.x = inInt; |
55 | } |
56 | return self; |
57 | } |
58 | + (void) test { |
59 | Cell *sharedCell1 = [[Cell alloc] init]; |
60 | [sharedCell1 release]; |
61 | Cell *sharedCell2 = [[Cell alloc] initWithInt: 3]; |
62 | [sharedCell2 release]; |
63 | Cell *sharedCell3 = [[Cell alloc] initWithIntGood: 3]; |
64 | [sharedCell3 release]; |
65 | } |
66 | |
67 | @end |
68 | |
69 | |