forked from OSchip/llvm-project
128 lines
3.0 KiB
Objective-C
128 lines
3.0 KiB
Objective-C
// RUN: %clang_cc1 -analyze -analyzer-checker=core,osx.cocoa.RetainCount -analyzer-config ipa=dynamic-bifurcate -verify %s
|
|
|
|
typedef signed char BOOL;
|
|
typedef struct objc_class *Class;
|
|
typedef struct objc_object {
|
|
Class isa;
|
|
} *id;
|
|
@protocol NSObject - (BOOL)isEqual:(id)object; @end
|
|
@interface NSObject <NSObject> {}
|
|
+(id)alloc;
|
|
+(id)new;
|
|
- (oneway void)release;
|
|
-(id)init;
|
|
-(id)autorelease;
|
|
-(id)copy;
|
|
- (Class)class;
|
|
-(id)retain;
|
|
- (oneway void)release;
|
|
@end
|
|
|
|
@interface SelfStaysLive : NSObject
|
|
- (id)init;
|
|
@end
|
|
|
|
@implementation SelfStaysLive
|
|
- (id)init {
|
|
return [super init];
|
|
}
|
|
@end
|
|
|
|
void selfStaysLive() {
|
|
SelfStaysLive *foo = [[SelfStaysLive alloc] init];
|
|
[foo release];
|
|
}
|
|
|
|
// Test that retain release checker warns on leaks and use-after-frees when
|
|
// self init is not enabled.
|
|
// radar://12115830
|
|
@interface ParentOfCell : NSObject
|
|
- (id)initWithInt: (int)inInt;
|
|
@end
|
|
@interface Cell : ParentOfCell{
|
|
int x;
|
|
}
|
|
- (id)initWithInt: (int)inInt;
|
|
+ (void)testOverRelease;
|
|
+ (void)testLeak;
|
|
@property int x;
|
|
@end
|
|
@implementation Cell
|
|
@synthesize x;
|
|
- (id) initWithInt: (int)inInt {
|
|
[super initWithInt: inInt];
|
|
self.x = inInt; // no-warning
|
|
return self; // Self Init checker would produce a warning here.
|
|
}
|
|
+ (void) testOverRelease {
|
|
Cell *sharedCell3 = [[Cell alloc] initWithInt: 3];
|
|
[sharedCell3 release];
|
|
[sharedCell3 release]; // expected-warning {{Reference-counted object is used after it is released}}
|
|
}
|
|
+ (void) testLeak {
|
|
Cell *sharedCell4 = [[Cell alloc] initWithInt: 3]; // expected-warning {{leak}}
|
|
}
|
|
@end
|
|
|
|
// We should stop tracking some objects even when we inline the call.
|
|
// Specialically, the objects passed into calls with delegate and callback
|
|
// parameters.
|
|
@class DelegateTest;
|
|
typedef void (*ReleaseCallbackTy) (DelegateTest *c);
|
|
|
|
@interface Delegate : NSObject
|
|
@end
|
|
|
|
@interface DelegateTest : NSObject {
|
|
Delegate *myDel;
|
|
}
|
|
// Object initialized with a delagate which could potentially release it.
|
|
- (id)initWithDelegate: (id) d;
|
|
|
|
- (void) setDelegate: (id) d;
|
|
|
|
// Releases object through callback.
|
|
+ (void)updateObject:(DelegateTest*)obj WithCallback:(ReleaseCallbackTy)rc;
|
|
|
|
+ (void)test: (Delegate *)d;
|
|
|
|
@property (assign) Delegate* myDel;
|
|
@end
|
|
|
|
void releaseObj(DelegateTest *c);
|
|
|
|
// Releases object through callback.
|
|
void updateObject(DelegateTest *c, ReleaseCallbackTy rel) {
|
|
rel(c);
|
|
}
|
|
|
|
@implementation DelegateTest
|
|
@synthesize myDel;
|
|
|
|
- (id) initWithDelegate: (id) d {
|
|
if ((self = [super init]))
|
|
myDel = d;
|
|
return self;
|
|
}
|
|
|
|
- (void) setDelegate: (id) d {
|
|
myDel = d;
|
|
}
|
|
|
|
+ (void)updateObject:(DelegateTest*)obj WithCallback:(ReleaseCallbackTy)rc {
|
|
rc(obj);
|
|
}
|
|
|
|
+ (void) test: (Delegate *)d {
|
|
DelegateTest *obj1 = [[DelegateTest alloc] initWithDelegate: d]; // no-warning
|
|
DelegateTest *obj2 = [[DelegateTest alloc] init]; // no-warning
|
|
DelegateTest *obj3 = [[DelegateTest alloc] init]; // no-warning
|
|
updateObject(obj2, releaseObj);
|
|
[DelegateTest updateObject: obj3
|
|
WithCallback: releaseObj];
|
|
DelegateTest *obj4 = [[DelegateTest alloc] init]; // no-warning
|
|
[obj4 setDelegate: d];
|
|
}
|
|
@end
|
|
|