// RUN: %clang_analyze_cc1 -analyzer-checker=core,osx.cocoa.RetainCount,osx.cocoa.SelfInit -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; @end // We do not want to overhelm user with error messages in case they forgot to // assign to self and check that the result of [super init] is non-nil. So // stop tracking the receiver of init with respect to Retain Release checker. // radar://12115830 @interface ParentOfCell : NSObject - (id)initWithInt: (int)inInt; @end @interface Cell : ParentOfCell{ int x; } - (id)init; + (void)test; @property int x; @end @implementation Cell @synthesize x; - (id) init { [super init]; self.x = 3; // no-warning return self; // expected-warning {{Returning 'self' while it is not set to the result of '[(super or self)}} } - (id) initWithInt: (int)inInt { [super initWithInt: inInt]; self.x = inInt; // no-warning return self; // expected-warning {{Returning 'self' while it is not set to the result of '[(super or self)}} } - (id) init2 { [self init]; // The call [self init] is inlined. We will warn inside the inlined body. self.x = 2; // no-warning return self; } - (id) initWithIntGood: (int)inInt { if (self = [super initWithInt: inInt]) { self.x = inInt; } return self; } + (void) test { Cell *sharedCell1 = [[Cell alloc] init]; [sharedCell1 release]; Cell *sharedCell2 = [[Cell alloc] initWithInt: 3]; [sharedCell2 release]; Cell *sharedCell3 = [[Cell alloc] initWithIntGood: 3]; [sharedCell3 release]; } @end |