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-rw-r--r--clang/test/Analysis/retain-release-gc-only.m387
1 files changed, 387 insertions, 0 deletions
diff --git a/clang/test/Analysis/retain-release-gc-only.m b/clang/test/Analysis/retain-release-gc-only.m
new file mode 100644
index 0000000..0340a3c
--- /dev/null
+++ b/clang/test/Analysis/retain-release-gc-only.m
@@ -0,0 +1,387 @@
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,osx.cocoa.RetainCount,osx.cocoa.NSAutoreleasePool -analyzer-store=region -fobjc-gc-only -fblocks -verify -Wno-objc-root-class %s
+
+//===----------------------------------------------------------------------===//
+// Header stuff.
+//===----------------------------------------------------------------------===//
+
+typedef unsigned int __darwin_natural_t;
+typedef unsigned long uintptr_t;
+typedef unsigned int uint32_t;
+typedef unsigned long long uint64_t;
+typedef unsigned int UInt32;
+typedef signed long CFIndex;
+typedef struct {
+ CFIndex location;
+ CFIndex length;
+} CFRange;
+static __inline__ __attribute__((always_inline)) CFRange CFRangeMake(CFIndex loc, CFIndex len) {
+ CFRange range;
+ range.location = loc;
+ range.length = len;
+ return range;
+}
+typedef const void * CFTypeRef;
+typedef const struct __CFString * CFStringRef;
+typedef const struct __CFAllocator * CFAllocatorRef;
+extern const CFAllocatorRef kCFAllocatorDefault;
+extern CFTypeRef CFRetain(CFTypeRef cf);
+extern void CFRelease(CFTypeRef cf);
+typedef struct {
+}
+CFArrayCallBacks;
+extern const CFArrayCallBacks kCFTypeArrayCallBacks;
+typedef const struct __CFArray * CFArrayRef;
+typedef struct __CFArray * CFMutableArrayRef;
+extern CFMutableArrayRef CFArrayCreateMutable(CFAllocatorRef allocator, CFIndex capacity, const CFArrayCallBacks *callBacks);
+extern const void *CFArrayGetValueAtIndex(CFArrayRef theArray, CFIndex idx);
+extern void CFArrayAppendValue(CFMutableArrayRef theArray, const void *value);
+typedef struct {
+}
+CFDictionaryKeyCallBacks;
+extern const CFDictionaryKeyCallBacks kCFTypeDictionaryKeyCallBacks;
+typedef struct {
+}
+CFDictionaryValueCallBacks;
+extern const CFDictionaryValueCallBacks kCFTypeDictionaryValueCallBacks;
+typedef const struct __CFDictionary * CFDictionaryRef;
+typedef struct __CFDictionary * CFMutableDictionaryRef;
+extern CFMutableDictionaryRef CFDictionaryCreateMutable(CFAllocatorRef allocator, CFIndex capacity, const CFDictionaryKeyCallBacks *keyCallBacks, const CFDictionaryValueCallBacks *valueCallBacks);
+typedef UInt32 CFStringEncoding;
+enum {
+kCFStringEncodingMacRoman = 0, kCFStringEncodingWindowsLatin1 = 0x0500, kCFStringEncodingISOLatin1 = 0x0201, kCFStringEncodingNextStepLatin = 0x0B01, kCFStringEncodingASCII = 0x0600, kCFStringEncodingUnicode = 0x0100, kCFStringEncodingUTF8 = 0x08000100, kCFStringEncodingNonLossyASCII = 0x0BFF , kCFStringEncodingUTF16 = 0x0100, kCFStringEncodingUTF16BE = 0x10000100, kCFStringEncodingUTF16LE = 0x14000100, kCFStringEncodingUTF32 = 0x0c000100, kCFStringEncodingUTF32BE = 0x18000100, kCFStringEncodingUTF32LE = 0x1c000100 };
+extern CFStringRef CFStringCreateWithCString(CFAllocatorRef alloc, const char *cStr, CFStringEncoding encoding);
+typedef double CFTimeInterval;
+typedef CFTimeInterval CFAbsoluteTime;
+extern CFAbsoluteTime CFAbsoluteTimeGetCurrent(void);
+typedef const struct __CFDate * CFDateRef;
+extern CFDateRef CFDateCreate(CFAllocatorRef allocator, CFAbsoluteTime at);
+extern CFAbsoluteTime CFDateGetAbsoluteTime(CFDateRef theDate);
+typedef __darwin_natural_t natural_t;
+typedef natural_t mach_port_name_t;
+typedef mach_port_name_t mach_port_t;
+typedef int kern_return_t;
+typedef kern_return_t mach_error_t;
+enum {
+kCFNumberSInt8Type = 1, kCFNumberSInt16Type = 2, kCFNumberSInt32Type = 3, kCFNumberSInt64Type = 4, kCFNumberFloat32Type = 5, kCFNumberFloat64Type = 6, kCFNumberCharType = 7, kCFNumberShortType = 8, kCFNumberIntType = 9, kCFNumberLongType = 10, kCFNumberLongLongType = 11, kCFNumberFloatType = 12, kCFNumberDoubleType = 13, kCFNumberCFIndexType = 14, kCFNumberNSIntegerType = 15, kCFNumberCGFloatType = 16, kCFNumberMaxType = 16 };
+typedef CFIndex CFNumberType;
+typedef const struct __CFNumber * CFNumberRef;
+extern CFNumberRef CFNumberCreate(CFAllocatorRef allocator, CFNumberType theType, const void *valuePtr);
+typedef const struct __CFAttributedString *CFAttributedStringRef;
+typedef struct __CFAttributedString *CFMutableAttributedStringRef;
+extern CFAttributedStringRef CFAttributedStringCreate(CFAllocatorRef alloc, CFStringRef str, CFDictionaryRef attributes) ;
+extern CFMutableAttributedStringRef CFAttributedStringCreateMutableCopy(CFAllocatorRef alloc, CFIndex maxLength, CFAttributedStringRef aStr) ;
+extern void CFAttributedStringSetAttribute(CFMutableAttributedStringRef aStr, CFRange range, CFStringRef attrName, CFTypeRef value) ;
+typedef signed char BOOL;
+typedef unsigned long NSUInteger;
+@class NSString, Protocol;
+extern void NSLog(NSString *format, ...) __attribute__((format(__NSString__, 1, 2)));
+typedef struct _NSZone NSZone;
+@class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator;
+@protocol NSObject
+- (BOOL)isEqual:(id)object;
+- (id)retain;
+- (oneway void)release;
+- (id)autorelease;
+- (Class)class;
+@end @protocol NSCopying - (id)copyWithZone:(NSZone *)zone;
+@end @protocol NSMutableCopying - (id)mutableCopyWithZone:(NSZone *)zone;
+@end @protocol NSCoding - (void)encodeWithCoder:(NSCoder *)aCoder;
+@end
+@interface NSObject <NSObject> {}
++ (id)allocWithZone:(NSZone *)zone;
++ (id)alloc;
+- (void)dealloc;
+- (oneway void)release;
+- (id)copy;
+@end
+@interface NSObject (NSCoderMethods)
+- (id)awakeAfterUsingCoder:(NSCoder *)aDecoder;
+@end
+extern id NSAllocateObject(Class aClass, NSUInteger extraBytes, NSZone *zone);
+typedef struct {
+}
+NSFastEnumerationState;
+@protocol NSFastEnumeration - (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(NSUInteger)len;
+@end @class NSString, NSDictionary;
+@interface NSValue : NSObject <NSCopying, NSCoding> - (void)getValue:(void *)value;
+@end @interface NSNumber : NSValue - (char)charValue;
+- (id)initWithInt:(int)value;
+@end @class NSString;
+@interface NSArray : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration> - (NSUInteger)count;
+@end @interface NSArray (NSArrayCreation) + (id)array;
+@end @interface NSAutoreleasePool : NSObject {
+}
+- (void)drain;
+- (id)init;
+@end extern NSString * const NSBundleDidLoadNotification;
+typedef double NSTimeInterval;
+@interface NSDate : NSObject <NSCopying, NSCoding> - (NSTimeInterval)timeIntervalSinceReferenceDate;
+@end typedef unsigned short unichar;
+@interface NSString : NSObject <NSCopying, NSMutableCopying, NSCoding> - (NSUInteger)length;
+- ( const char *)UTF8String;
+- (id)initWithUTF8String:(const char *)nullTerminatedCString;
++ (id)stringWithUTF8String:(const char *)nullTerminatedCString;
+@end @class NSString, NSURL, NSError;
+@interface NSData : NSObject <NSCopying, NSMutableCopying, NSCoding> - (NSUInteger)length;
++ (id)dataWithBytesNoCopy:(void *)bytes length:(NSUInteger)length;
++ (id)dataWithBytesNoCopy:(void *)bytes length:(NSUInteger)length freeWhenDone:(BOOL)b;
+@end @class NSLocale, NSDate, NSCalendar, NSTimeZone, NSError, NSArray, NSMutableDictionary;
+@interface NSDictionary : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration> - (NSUInteger)count;
+@end @interface NSMutableDictionary : NSDictionary - (void)removeObjectForKey:(id)aKey;
+- (void)setObject:(id)anObject forKey:(id)aKey;
+@end @interface NSMutableDictionary (NSMutableDictionaryCreation) + (id)dictionaryWithCapacity:(NSUInteger)numItems;
+@end typedef double CGFloat;
+struct CGSize {
+};
+typedef struct CGSize CGSize;
+struct CGRect {
+};
+typedef struct CGRect CGRect;
+typedef mach_port_t io_object_t;
+typedef char io_name_t[128];
+typedef io_object_t io_iterator_t;
+typedef io_object_t io_service_t;
+typedef struct IONotificationPort * IONotificationPortRef;
+typedef void (*IOServiceMatchingCallback)( void * refcon, io_iterator_t iterator );
+io_service_t IOServiceGetMatchingService( mach_port_t masterPort, CFDictionaryRef matching );
+kern_return_t IOServiceGetMatchingServices( mach_port_t masterPort, CFDictionaryRef matching, io_iterator_t * existing );
+kern_return_t IOServiceAddNotification( mach_port_t masterPort, const io_name_t notificationType, CFDictionaryRef matching, mach_port_t wakePort, uintptr_t reference, io_iterator_t * notification ) __attribute__((deprecated));
+kern_return_t IOServiceAddMatchingNotification( IONotificationPortRef notifyPort, const io_name_t notificationType, CFDictionaryRef matching, IOServiceMatchingCallback callback, void * refCon, io_iterator_t * notification );
+CFMutableDictionaryRef IOServiceMatching( const char * name );
+CFMutableDictionaryRef IOServiceNameMatching( const char * name );
+CFMutableDictionaryRef IOBSDNameMatching( mach_port_t masterPort, uint32_t options, const char * bsdName );
+CFMutableDictionaryRef IOOpenFirmwarePathMatching( mach_port_t masterPort, uint32_t options, const char * path );
+CFMutableDictionaryRef IORegistryEntryIDMatching( uint64_t entryID );
+typedef struct __DASession * DASessionRef;
+extern DASessionRef DASessionCreate( CFAllocatorRef allocator );
+typedef struct __DADisk * DADiskRef;
+extern DADiskRef DADiskCreateFromBSDName( CFAllocatorRef allocator, DASessionRef session, const char * name );
+extern DADiskRef DADiskCreateFromIOMedia( CFAllocatorRef allocator, DASessionRef session, io_service_t media );
+extern CFDictionaryRef DADiskCopyDescription( DADiskRef disk );
+extern DADiskRef DADiskCopyWholeDisk( DADiskRef disk );
+@interface NSTask : NSObject - (id)init;
+@end typedef struct CGColorSpace *CGColorSpaceRef;
+typedef struct CGImage *CGImageRef;
+typedef struct CGLayer *CGLayerRef;
+@interface NSResponder : NSObject <NSCoding> {
+}
+@end @protocol NSAnimatablePropertyContainer - (id)animator;
+@end extern NSString *NSAnimationTriggerOrderIn ;
+@interface NSView : NSResponder <NSAnimatablePropertyContainer> {
+}
+@end @protocol NSValidatedUserInterfaceItem - (SEL)action;
+@end @protocol NSUserInterfaceValidations - (BOOL)validateUserInterfaceItem:(id <NSValidatedUserInterfaceItem>)anItem;
+@end @class NSDate, NSDictionary, NSError, NSException, NSNotification;
+@interface NSApplication : NSResponder <NSUserInterfaceValidations> {
+}
+@end enum {
+NSTerminateCancel = 0, NSTerminateNow = 1, NSTerminateLater = 2 };
+typedef NSUInteger NSApplicationTerminateReply;
+@protocol NSApplicationDelegate <NSObject> @optional - (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)sender;
+@end @class NSAttributedString, NSEvent, NSFont, NSFormatter, NSImage, NSMenu, NSText, NSView, NSTextView;
+@interface NSCell : NSObject <NSCopying, NSCoding> {
+}
+@end @class NSTextField, NSPanel, NSArray, NSWindow, NSImage, NSButton, NSError;
+typedef struct {
+}
+CVTimeStamp;
+@interface CIImage : NSObject <NSCoding, NSCopying> {
+}
+typedef int CIFormat;
+@end enum {
+kDAReturnSuccess = 0, kDAReturnError = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x01, kDAReturnBusy = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x02, kDAReturnBadArgument = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x03, kDAReturnExclusiveAccess = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x04, kDAReturnNoResources = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x05, kDAReturnNotFound = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x06, kDAReturnNotMounted = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x07, kDAReturnNotPermitted = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x08, kDAReturnNotPrivileged = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x09, kDAReturnNotReady = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x0A, kDAReturnNotWritable = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x0B, kDAReturnUnsupported = (((0x3eU)&0x3f)<<26) | (((0x368)&0xfff)<<14) | 0x0C };
+typedef mach_error_t DAReturn;
+typedef const struct __DADissenter * DADissenterRef;
+extern DADissenterRef DADissenterCreate( CFAllocatorRef allocator, DAReturn status, CFStringRef string );
+@interface CIContext: NSObject {
+}
+- (CGImageRef)createCGImage:(CIImage *)im fromRect:(CGRect)r;
+- (CGImageRef)createCGImage:(CIImage *)im fromRect:(CGRect)r format:(CIFormat)f colorSpace:(CGColorSpaceRef)cs;
+- (CGLayerRef)createCGLayerWithSize:(CGSize)size info:(CFDictionaryRef)d;
+@end extern NSString* const QCRendererEventKey;
+@protocol QCCompositionRenderer - (NSDictionary*) attributes;
+@end @interface QCRenderer : NSObject <QCCompositionRenderer> {
+}
+- (id) createSnapshotImageOfType:(NSString*)type;
+@end extern NSString* const QCViewDidStartRenderingNotification;
+@interface QCView : NSView <QCCompositionRenderer> {
+}
+- (id) createSnapshotImageOfType:(NSString*)type;
+@end enum {
+ICEXIFOrientation1 = 1, ICEXIFOrientation2 = 2, ICEXIFOrientation3 = 3, ICEXIFOrientation4 = 4, ICEXIFOrientation5 = 5, ICEXIFOrientation6 = 6, ICEXIFOrientation7 = 7, ICEXIFOrientation8 = 8, };
+@class ICDevice;
+@protocol ICDeviceDelegate <NSObject> @required - (void)didRemoveDevice:(ICDevice*)device;
+@end extern NSString *const ICScannerStatusWarmingUp;
+@class ICScannerDevice;
+@protocol ICScannerDeviceDelegate <ICDeviceDelegate> @optional - (void)scannerDeviceDidBecomeAvailable:(ICScannerDevice*)scanner;
+@end
+CFTypeRef CFMakeCollectable(CFTypeRef cf) ;
+
+static __inline__ __attribute__((always_inline)) id NSMakeCollectable(CFTypeRef
+cf) {
+ return cf ? (id)CFMakeCollectable(cf) : ((void*)0);
+}
+
+//===----------------------------------------------------------------------===//
+// Test cases.
+//===----------------------------------------------------------------------===//
+
+void f1() {
+ CFMutableArrayRef A = CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // no-warning
+ id x = [(id) A autorelease];
+ CFRelease((CFMutableArrayRef) x);
+}
+
+void f2() {
+ CFMutableArrayRef A = CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // expected-warning{{leak}}
+ id x = [(id) A retain];
+ [x release];
+ [x release];
+}
+
+void f3() {
+ CFMutableArrayRef A = CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // expected-warning{{leak}}
+ CFMakeCollectable(A);
+ CFRetain(A);
+}
+
+void f3b() {
+ CFMutableArrayRef A = CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // no-warning
+ CFMakeCollectable(A);
+}
+
+
+void f4() {
+ CFMutableArrayRef A = CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // expected-warning{{leak}}
+ NSMakeCollectable(A);
+ CFRetain(A);
+}
+
+void f4b() {
+ CFMutableArrayRef A = CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // no-warning
+ NSMakeCollectable(A);
+}
+
+void f5() {
+ id x = [NSMakeCollectable(CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks)) autorelease]; // no-warning
+}
+
+void f5b() {
+ id x = [(id) CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks) autorelease]; // expected-warning{{leak}}
+}
+
+// Test return of non-owned objects in contexts where an owned object
+// is expected.
+@interface TestReturnNotOwnedWhenExpectedOwned
+- (NSString*)newString;
+- (CFMutableArrayRef)newArray;
+@end
+
+@implementation TestReturnNotOwnedWhenExpectedOwned
+- (NSString*)newString {
+ NSString *s = [NSString stringWithUTF8String:"hello"]; // expected-warning{{Potential leak (when using garbage collection) of an object}}
+ CFRetain(s);
+ return s;
+}
+- (CFMutableArrayRef)newArray{
+ return CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // no-warning
+}
+@end
+
+//===----------------------------------------------------------------------===//
+// <rdar://problem/6948053> False positive: object substitution during -init*
+// methods warns about returning +0 when using -fobjc-gc-only
+//===----------------------------------------------------------------------===//
+
+@interface MyClassRdar6948053 : NSObject
+- (id) init;
++ (id) shared;
+@end
+
+@implementation MyClassRdar6948053
++(id) shared {
+ return (id) 0;
+}
+- (id) init
+{
+ Class myClass = [self class];
+ [self release];
+ return [[myClass shared] retain]; // no-warning
+}
+@end
+
+//===----------------------------------------------------------------------===//
+// <rdar://problem/7174400> 'ciContext createCGImage:outputImage fromRect:' returns a retained CF object (not GC'ed)//===----------------------------------------------------------------------===//
+//===----------------------------------------------------------------------===//
+
+void rdar_7174400(QCView *view, QCRenderer *renderer, CIContext *context,
+ NSString *str, CIImage *img, CGRect rect,
+ CIFormat form, CGColorSpaceRef cs) {
+ [view createSnapshotImageOfType:str]; // no-warning
+ [renderer createSnapshotImageOfType:str]; // no-warning
+ [context createCGImage:img fromRect:rect]; // expected-warning{{leak}}
+ [context createCGImage:img fromRect:rect format:form colorSpace:cs]; // expected-warning{{leak}}
+}
+
+//===----------------------------------------------------------------------===//
+// <rdar://problem/6250216> Warn against using -[NSAutoreleasePool release] in
+// GC mode
+//===----------------------------------------------------------------------===//
+
+void rdar_6250216(void) {
+ NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
+ [pool release]; // expected-warning{{Use -drain instead of -release when using NSAutoreleasePool and garbage collection}}
+}
+
+
+//===----------------------------------------------------------------------===//
+// <rdar://problem/7407273> Don't crash when analyzing messages sent to blocks
+//===----------------------------------------------------------------------===//
+
+@class RDar7407273;
+typedef void (^RDar7407273Block)(RDar7407273 *operation);
+void rdar7407273(RDar7407273Block b) {
+ [b copy];
+}
+
+//===----------------------------------------------------------------------===//
+// Tests of ownership attributes.
+//===----------------------------------------------------------------------===//
+
+@interface TestOwnershipAttr : NSObject
+- (NSString*) returnsAnOwnedString __attribute__((ns_returns_retained));
+- (NSString*) returnsAnOwnedCFString __attribute__((cf_returns_retained));
+@end
+
+void test_attr_1(TestOwnershipAttr *X) {
+ NSString *str = [X returnsAnOwnedString]; // no-warning
+}
+
+void test_attr_1b(TestOwnershipAttr *X) {
+ NSString *str = [X returnsAnOwnedCFString]; // expected-warning{{leak}}
+}
+
+@interface MyClassTestCFAttr : NSObject {}
+- (NSDate*) returnsCFRetained __attribute__((cf_returns_retained));
+- (NSDate*) alsoReturnsRetained;
+- (NSDate*) returnsNSRetained __attribute__((ns_returns_retained));
+@end
+
+__attribute__((cf_returns_retained))
+CFDateRef returnsRetainedCFDate() {
+ return CFDateCreate(0, CFAbsoluteTimeGetCurrent());
+}
+
+@implementation MyClassTestCFAttr
+- (NSDate*) returnsCFRetained {
+ return (NSDate*) returnsRetainedCFDate(); // No leak.
+}
+
+- (NSDate*) alsoReturnsRetained {
+ return (NSDate*) returnsRetainedCFDate(); // expected-warning{{leak}}
+}
+
+- (NSDate*) returnsNSRetained {
+ return (NSDate*) returnsRetainedCFDate(); // expected-warning{{leak}}
+}
+@end