blob: 484e43c5dd2c8118d45e5c8785e9d48a3b8201b6 (
plain)
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_analyze_cc1 -analyzer-checker=core,osx.cocoa.RetainCount -fblocks -verify %s
// RUN: %clang_analyze_cc1 -analyzer-checker=core,osx.cocoa.RetainCount -fblocks -analyzer-output=plist-multi-file %s -o %t
// RUN: cat %t | %diff_plist %S/Inputs/expected-plists/objc-radar17039661.m.plist -
@class NSString;
typedef long NSInteger;
typedef unsigned char BOOL;
@interface NSObject {}
+(id)alloc;
-(id)init;
-(id)autorelease;
-(id)copy;
-(id)retain;
@end
@interface NSNumber : NSObject
+ (NSNumber *)numberWithInteger:(NSInteger)value __attribute__((availability(ios,introduced=2.0)));
@end
NSInteger *inoutIntegerValueGlobal;
NSInteger *inoutIntegerValueGlobal2;
NSString *traitNameGlobal;
static BOOL cond;
static inline void reallyPerformAction(void (^integerHandler)(NSInteger *inoutIntegerValue, NSString *traitName)) {
integerHandler(inoutIntegerValueGlobal, traitNameGlobal); // expected-warning {{Potential leak of an object}}
integerHandler(inoutIntegerValueGlobal2,traitNameGlobal);
}
static inline BOOL performAction(NSNumber *(^action)(NSNumber *traitValue)) {
__attribute__((__blocks__(byref))) BOOL didFindTrait = 0;
reallyPerformAction(^(NSInteger *inoutIntegerValue,NSString *traitName) {
if (cond) {
NSNumber *traitValue = @(*inoutIntegerValue);
NSNumber *newTraitValue = action(traitValue);
if (traitValue != newTraitValue) {
*inoutIntegerValue = newTraitValue ? *inoutIntegerValue : *inoutIntegerValue;
}
didFindTrait = 1;
}
});
return didFindTrait;
}
void runTest() {
__attribute__((__blocks__(byref))) NSNumber *builtinResult = ((NSNumber *)0);
BOOL wasBuiltinTrait = performAction(^(NSNumber *traitValue) {
builtinResult = [traitValue retain];
return traitValue;
});
if (wasBuiltinTrait) {
[builtinResult autorelease];
return;
} else {
return;
}
}
|
