1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-checker=core,osx.coreFoundation.CFRetainRelease,osx.cocoa.ClassRelease -analyzer-store=region -fblocks -verify %s 2 3 #if __has_feature(attribute_ns_returns_retained) 4 #define NS_RETURNS_RETAINED __attribute__((ns_returns_retained)) 5 #endif 6 #if __has_feature(attribute_cf_returns_retained) 7 #define CF_RETURNS_RETAINED __attribute__((cf_returns_retained)) 8 #endif 9 #if __has_feature(attribute_ns_returns_not_retained) 10 #define NS_RETURNS_NOT_RETAINED __attribute__((ns_returns_not_retained)) 11 #endif 12 #if __has_feature(attribute_cf_returns_not_retained) 13 #define CF_RETURNS_NOT_RETAINED __attribute__((cf_returns_not_retained)) 14 #endif 15 #if __has_feature(attribute_ns_consumes_self) 16 #define NS_CONSUMES_SELF __attribute__((ns_consumes_self)) 17 #endif 18 #if __has_feature(attribute_ns_consumed) 19 #define NS_CONSUMED __attribute__((ns_consumed)) 20 #endif 21 #if __has_feature(attribute_cf_consumed) 22 #define CF_CONSUMED __attribute__((cf_consumed)) 23 #endif 24 25 //===----------------------------------------------------------------------===// 26 // The following code is reduced using delta-debugging from Mac OS X headers: 27 // 28 // #include <Cocoa/Cocoa.h> 29 // #include <CoreFoundation/CoreFoundation.h> 30 // #include <DiskArbitration/DiskArbitration.h> 31 // #include <QuartzCore/QuartzCore.h> 32 // #include <Quartz/Quartz.h> 33 // #include <IOKit/IOKitLib.h> 34 // 35 // It includes the basic definitions for the test cases below. 36 //===----------------------------------------------------------------------===// 37 38 typedef unsigned int __darwin_natural_t; 39 typedef unsigned long uintptr_t; 40 typedef unsigned int uint32_t; 41 typedef unsigned long long uint64_t; 42 typedef unsigned int UInt32; 43 typedef signed long CFIndex; 44 typedef struct { 45 CFIndex location; 46 CFIndex length; 47 } CFRange; 48 static __inline__ __attribute__((always_inline)) CFRange CFRangeMake(CFIndex loc, CFIndex len) { 49 CFRange range; 50 range.location = loc; 51 range.length = len; 52 return range; 53 } 54 typedef const void * CFTypeRef; 55 typedef const struct __CFString * CFStringRef; 56 typedef const struct __CFAllocator * CFAllocatorRef; 57 extern const CFAllocatorRef kCFAllocatorDefault; 58 extern CFTypeRef CFRetain(CFTypeRef cf); 59 extern void CFRelease(CFTypeRef cf); 60 typedef struct { 61 } 62 CFArrayCallBacks; 63 extern const CFArrayCallBacks kCFTypeArrayCallBacks; 64 typedef const struct __CFArray * CFArrayRef; 65 typedef struct __CFArray * CFMutableArrayRef; 66 extern CFMutableArrayRef CFArrayCreateMutable(CFAllocatorRef allocator, CFIndex capacity, const CFArrayCallBacks *callBacks); 67 extern const void *CFArrayGetValueAtIndex(CFArrayRef theArray, CFIndex idx); 68 extern void CFArrayAppendValue(CFMutableArrayRef theArray, const void *value); 69 typedef struct { 70 } 71 CFDictionaryKeyCallBacks; 72 extern const CFDictionaryKeyCallBacks kCFTypeDictionaryKeyCallBacks; 73 typedef struct { 74 } 75 CFDictionaryValueCallBacks; 76 extern const CFDictionaryValueCallBacks kCFTypeDictionaryValueCallBacks; 77 typedef const struct __CFDictionary * CFDictionaryRef; 78 typedef struct __CFDictionary * CFMutableDictionaryRef; 79 extern CFMutableDictionaryRef CFDictionaryCreateMutable(CFAllocatorRef allocator, CFIndex capacity, const CFDictionaryKeyCallBacks *keyCallBacks, const CFDictionaryValueCallBacks *valueCallBacks); 80 typedef UInt32 CFStringEncoding; 81 enum { 82 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 }; 83 extern CFStringRef CFStringCreateWithCString(CFAllocatorRef alloc, const char *cStr, CFStringEncoding encoding); 84 typedef double CFTimeInterval; 85 typedef CFTimeInterval CFAbsoluteTime; 86 extern CFAbsoluteTime CFAbsoluteTimeGetCurrent(void); 87 typedef const struct __CFDate * CFDateRef; 88 extern CFDateRef CFDateCreate(CFAllocatorRef allocator, CFAbsoluteTime at); 89 extern CFAbsoluteTime CFDateGetAbsoluteTime(CFDateRef theDate); 90 typedef __darwin_natural_t natural_t; 91 typedef natural_t mach_port_name_t; 92 typedef mach_port_name_t mach_port_t; 93 typedef int kern_return_t; 94 typedef kern_return_t mach_error_t; 95 enum { 96 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 }; 97 typedef CFIndex CFNumberType; 98 typedef const struct __CFNumber * CFNumberRef; 99 extern CFNumberRef CFNumberCreate(CFAllocatorRef allocator, CFNumberType theType, const void *valuePtr); 100 typedef const struct __CFAttributedString *CFAttributedStringRef; 101 typedef struct __CFAttributedString *CFMutableAttributedStringRef; 102 extern CFAttributedStringRef CFAttributedStringCreate(CFAllocatorRef alloc, CFStringRef str, CFDictionaryRef attributes) ; 103 extern CFMutableAttributedStringRef CFAttributedStringCreateMutableCopy(CFAllocatorRef alloc, CFIndex maxLength, CFAttributedStringRef aStr) ; 104 extern void CFAttributedStringSetAttribute(CFMutableAttributedStringRef aStr, CFRange range, CFStringRef attrName, CFTypeRef value) ; 105 typedef signed char BOOL; 106 typedef unsigned long NSUInteger; 107 @class NSString, Protocol; 108 extern void NSLog(NSString *format, ...) __attribute__((format(__NSString__, 1, 2))); 109 typedef struct _NSZone NSZone; 110 @class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator; 111 @protocol NSObject 112 - (BOOL)isEqual:(id)object; 113 - (id)retain; 114 - (oneway void)release; 115 - (id)autorelease; 116 @end @protocol NSCopying - (id)copyWithZone:(NSZone *)zone; 117 @end @protocol NSMutableCopying - (id)mutableCopyWithZone:(NSZone *)zone; 118 @end @protocol NSCoding - (void)encodeWithCoder:(NSCoder *)aCoder; 119 @end 120 @interface NSObject <NSObject> {} 121 + (id)allocWithZone:(NSZone *)zone; 122 + (id)alloc; 123 - (void)dealloc; 124 - (id)init; 125 @end 126 @interface NSObject (NSCoderMethods) 127 - (id)awakeAfterUsingCoder:(NSCoder *)aDecoder; 128 @end 129 extern id NSAllocateObject(Class aClass, NSUInteger extraBytes, NSZone *zone); 130 typedef struct { 131 } 132 NSFastEnumerationState; 133 @protocol NSFastEnumeration - (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(NSUInteger)len; 134 @end @class NSString, NSDictionary; 135 @interface NSValue : NSObject <NSCopying, NSCoding> - (void)getValue:(void *)value; 136 @end @interface NSNumber : NSValue - (char)charValue; 137 - (id)initWithInt:(int)value; 138 @end @class NSString; 139 @interface NSArray : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration> - (NSUInteger)count; 140 @end @interface NSArray (NSArrayCreation) + (id)array; 141 @end @interface NSAutoreleasePool : NSObject { 142 } 143 - (void)drain; 144 @end extern NSString * const NSBundleDidLoadNotification; 145 typedef double NSTimeInterval; 146 @interface NSDate : NSObject <NSCopying, NSCoding> - (NSTimeInterval)timeIntervalSinceReferenceDate; 147 @end typedef unsigned short unichar; 148 @interface NSString : NSObject <NSCopying, NSMutableCopying, NSCoding> - (NSUInteger)length; 149 - ( const char *)UTF8String; 150 - (id)initWithUTF8String:(const char *)nullTerminatedCString; 151 + (id)stringWithUTF8String:(const char *)nullTerminatedCString; 152 @end @class NSString, NSURL, NSError; 153 @interface NSData : NSObject <NSCopying, NSMutableCopying, NSCoding> - (NSUInteger)length; 154 + (id)dataWithBytesNoCopy:(void *)bytes length:(NSUInteger)length; 155 + (id)dataWithBytesNoCopy:(void *)bytes length:(NSUInteger)length freeWhenDone:(BOOL)b; 156 @end @class NSLocale, NSDate, NSCalendar, NSTimeZone, NSError, NSArray, NSMutableDictionary; 157 @interface NSDictionary : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration> - (NSUInteger)count; 158 @end @interface NSMutableDictionary : NSDictionary - (void)removeObjectForKey:(id)aKey; 159 - (void)setObject:(id)anObject forKey:(id)aKey; 160 @end @interface NSMutableDictionary (NSMutableDictionaryCreation) + (id)dictionaryWithCapacity:(NSUInteger)numItems; 161 @end typedef double CGFloat; 162 struct CGSize { 163 }; 164 typedef struct CGSize CGSize; 165 struct CGRect { 166 }; 167 typedef struct CGRect CGRect; 168 typedef mach_port_t io_object_t; 169 typedef char io_name_t[128]; 170 typedef io_object_t io_iterator_t; 171 typedef io_object_t io_service_t; 172 typedef struct IONotificationPort * IONotificationPortRef; 173 typedef void (*IOServiceMatchingCallback)( void * refcon, io_iterator_t iterator ); 174 io_service_t IOServiceGetMatchingService( mach_port_t masterPort, CFDictionaryRef matching ); 175 kern_return_t IOServiceGetMatchingServices( mach_port_t masterPort, CFDictionaryRef matching, io_iterator_t * existing ); 176 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)); 177 kern_return_t IOServiceAddMatchingNotification( IONotificationPortRef notifyPort, const io_name_t notificationType, CFDictionaryRef matching, IOServiceMatchingCallback callback, void * refCon, io_iterator_t * notification ); 178 CFMutableDictionaryRef IOServiceMatching( const char * name ); 179 CFMutableDictionaryRef IOServiceNameMatching( const char * name ); 180 CFMutableDictionaryRef IOBSDNameMatching( mach_port_t masterPort, uint32_t options, const char * bsdName ); 181 CFMutableDictionaryRef IOOpenFirmwarePathMatching( mach_port_t masterPort, uint32_t options, const char * path ); 182 CFMutableDictionaryRef IORegistryEntryIDMatching( uint64_t entryID ); 183 typedef struct __DASession * DASessionRef; 184 extern DASessionRef DASessionCreate( CFAllocatorRef allocator ); 185 typedef struct __DADisk * DADiskRef; 186 extern DADiskRef DADiskCreateFromBSDName( CFAllocatorRef allocator, DASessionRef session, const char * name ); 187 extern DADiskRef DADiskCreateFromIOMedia( CFAllocatorRef allocator, DASessionRef session, io_service_t media ); 188 extern CFDictionaryRef DADiskCopyDescription( DADiskRef disk ); 189 extern DADiskRef DADiskCopyWholeDisk( DADiskRef disk ); 190 @interface NSTask : NSObject - (id)init; 191 @end typedef struct CGColorSpace *CGColorSpaceRef; 192 typedef struct CGImage *CGImageRef; 193 typedef struct CGLayer *CGLayerRef; 194 @interface NSResponder : NSObject <NSCoding> { 195 } 196 @end @protocol NSAnimatablePropertyContainer - (id)animator; 197 @end extern NSString *NSAnimationTriggerOrderIn ; 198 @interface NSView : NSResponder <NSAnimatablePropertyContainer> { 199 } 200 @end @protocol NSValidatedUserInterfaceItem - (SEL)action; 201 @end @protocol NSUserInterfaceValidations - (BOOL)validateUserInterfaceItem:(id <NSValidatedUserInterfaceItem>)anItem; 202 @end @class NSDate, NSDictionary, NSError, NSException, NSNotification; 203 @interface NSApplication : NSResponder <NSUserInterfaceValidations> { 204 } 205 @end enum { 206 NSTerminateCancel = 0, NSTerminateNow = 1, NSTerminateLater = 2 }; 207 typedef NSUInteger NSApplicationTerminateReply; 208 @protocol NSApplicationDelegate <NSObject> @optional - (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)sender; 209 @end @class NSAttributedString, NSEvent, NSFont, NSFormatter, NSImage, NSMenu, NSText, NSView, NSTextView; 210 @interface NSCell : NSObject <NSCopying, NSCoding> { 211 } 212 @end @class NSTextField, NSPanel, NSArray, NSWindow, NSImage, NSButton, NSError; 213 typedef struct { 214 } 215 CVTimeStamp; 216 @interface CIImage : NSObject <NSCoding, NSCopying> { 217 } 218 typedef int CIFormat; 219 @end enum { 220 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 }; 221 typedef mach_error_t DAReturn; 222 typedef const struct __DADissenter * DADissenterRef; 223 extern DADissenterRef DADissenterCreate( CFAllocatorRef allocator, DAReturn status, CFStringRef string ); 224 @interface CIContext: NSObject { 225 } 226 - (CGImageRef)createCGImage:(CIImage *)im fromRect:(CGRect)r; 227 - (CGImageRef)createCGImage:(CIImage *)im fromRect:(CGRect)r format:(CIFormat)f colorSpace:(CGColorSpaceRef)cs; 228 - (CGLayerRef)createCGLayerWithSize:(CGSize)size info:(CFDictionaryRef)d; 229 @end extern NSString* const QCRendererEventKey; 230 @protocol QCCompositionRenderer - (NSDictionary*) attributes; 231 @end @interface QCRenderer : NSObject <QCCompositionRenderer> { 232 } 233 - (id) createSnapshotImageOfType:(NSString*)type; 234 @end extern NSString* const QCViewDidStartRenderingNotification; 235 @interface QCView : NSView <QCCompositionRenderer> { 236 } 237 - (id) createSnapshotImageOfType:(NSString*)type; 238 @end enum { 239 ICEXIFOrientation1 = 1, ICEXIFOrientation2 = 2, ICEXIFOrientation3 = 3, ICEXIFOrientation4 = 4, ICEXIFOrientation5 = 5, ICEXIFOrientation6 = 6, ICEXIFOrientation7 = 7, ICEXIFOrientation8 = 8, }; 240 @class ICDevice; 241 @protocol ICDeviceDelegate <NSObject> @required - (void)didRemoveDevice:(ICDevice*)device; 242 @end extern NSString *const ICScannerStatusWarmingUp; 243 @class ICScannerDevice; 244 @protocol ICScannerDeviceDelegate <ICDeviceDelegate> @optional - (void)scannerDeviceDidBecomeAvailable:(ICScannerDevice*)scanner; 245 @end 246 247 typedef long unsigned int __darwin_size_t; 248 typedef __darwin_size_t size_t; 249 typedef unsigned long CFTypeID; 250 struct CGPoint { 251 CGFloat x; 252 CGFloat y; 253 }; 254 typedef struct CGPoint CGPoint; 255 typedef struct CGGradient *CGGradientRef; 256 typedef uint32_t CGGradientDrawingOptions; 257 extern CFTypeID CGGradientGetTypeID(void); 258 extern CGGradientRef CGGradientCreateWithColorComponents(CGColorSpaceRef 259 space, const CGFloat components[], const CGFloat locations[], size_t count); 260 extern CGGradientRef CGGradientCreateWithColors(CGColorSpaceRef space, 261 CFArrayRef colors, const CGFloat locations[]); 262 extern CGGradientRef CGGradientRetain(CGGradientRef gradient); 263 extern void CGGradientRelease(CGGradientRef gradient); 264 typedef struct CGContext *CGContextRef; 265 extern void CGContextDrawLinearGradient(CGContextRef context, 266 CGGradientRef gradient, CGPoint startPoint, CGPoint endPoint, 267 CGGradientDrawingOptions options); 268 extern CGColorSpaceRef CGColorSpaceCreateDeviceRGB(void); 269 270 //===----------------------------------------------------------------------===// 271 // Test cases. 272 //===----------------------------------------------------------------------===// 273 274 class SmartPointer { 275 id x; 276 public: 277 SmartPointer(id x) : x(x) {} 278 ~SmartPointer() { [x release]; } 279 280 void adopt(id x); 281 void noAdopt(id x); 282 }; 283 284 void test_positive() { 285 id x = [[NSObject alloc] init]; // expected-warning {{leak}} 286 } 287 288 void test_smartpointer_1() { 289 id x = [[NSObject alloc] init]; // no-warning 290 SmartPointer foo(x); 291 } 292 293 void test_smartpointer_2() { 294 id x = [[NSObject alloc] init]; // no-warning 295 SmartPointer foo(0); 296 foo.adopt(x); 297 } 298 299 // FIXME: Eventually we want annotations to say whether or not 300 // a C++ method claims ownership of an Objective-C object. 301 void test_smartpointer_3() { 302 id x = [[NSObject alloc] init]; // no-warning 303 SmartPointer foo(0); 304 foo.noAdopt(x); 305 } 306 307 308
