test/ARCMT/objcmt-arc-cf-annotations.m.result

   1 // RUN: rm -rf %t
   2 // RUN: %clang_cc1 -fblocks -objcmt-migrate-annotation -objcmt-migrate-instancetype -objcmt-migrate-readwrite-property -mt-migrate-directory %t %s -x objective-c -triple x86_64-apple-darwin11
   3 // RUN: c-arcmt-test -mt-migrate-directory %t | arcmt-test -verify-transformed-files %s.result
   4 // RUN: %clang_cc1 -fblocks -triple x86_64-apple-darwin10 -fsyntax-only -x objective-c %s.result
   5
   6 #ifndef CF_IMPLICIT_BRIDGING_ENABLED
   7 #if __has_feature(arc_cf_code_audited)
   8 #define CF_IMPLICIT_BRIDGING_ENABLED _Pragma("clang arc_cf_code_audited begin")
   9 #else
  10 #define CF_IMPLICIT_BRIDGING_ENABLED
  11 #endif
  12 #endif
  13
  14 #ifndef CF_IMPLICIT_BRIDGING_DISABLED
  15 #if __has_feature(arc_cf_code_audited)
  16 #define CF_IMPLICIT_BRIDGING_DISABLED _Pragma("clang arc_cf_code_audited end")
  17 #else
  18 #define CF_IMPLICIT_BRIDGING_DISABLED
  19 #endif
  20 #endif
  21
  22 #if __has_feature(attribute_ns_returns_retained)
  23 #define NS_RETURNS_RETAINED __attribute__((ns_returns_retained))
  24 #endif
  25 #if __has_feature(attribute_cf_returns_retained)
  26 #define CF_RETURNS_RETAINED __attribute__((cf_returns_retained))
  27 #endif
  28 #if __has_feature(attribute_ns_returns_not_retained)
  29 #define NS_RETURNS_NOT_RETAINED __attribute__((ns_returns_not_retained))
  30 #endif
  31 #if __has_feature(attribute_cf_returns_not_retained)
  32 #define CF_RETURNS_NOT_RETAINED __attribute__((cf_returns_not_retained))
  33 #endif
  34 #if __has_feature(attribute_ns_consumes_self)
  35 #define NS_CONSUMES_SELF __attribute__((ns_consumes_self))
  36 #endif
  37 #if __has_feature(attribute_ns_consumed)
  38 #define NS_CONSUMED __attribute__((ns_consumed))
  39 #endif
  40 #if __has_feature(attribute_cf_consumed)
  41 #define CF_CONSUMED __attribute__((cf_consumed))
  42 #endif
  43 #if __has_attribute(ns_returns_autoreleased)
  44 #define NS_RETURNS_AUTORELEASED __attribute__((ns_returns_autoreleased))
  45 #endif
  46
  47 //===----------------------------------------------------------------------===//
  48 // The following code is reduced using delta-debugging from Mac OS X headers:
  49 //
  50 // #include <Cocoa/Cocoa.h>
  51 // #include <CoreFoundation/CoreFoundation.h>
  52 // #include <DiskArbitration/DiskArbitration.h>
  53 // #include <QuartzCore/QuartzCore.h>
  54 // #include <Quartz/Quartz.h>
  55 // #include <IOKit/IOKitLib.h>
  56 //
  57 // It includes the basic definitions for the test cases below.
  58 //===----------------------------------------------------------------------===//
  59
  60 typedef unsigned int __darwin_natural_t;
  61 typedef unsigned long uintptr_t;
  62 typedef unsigned int uint32_t;
  63 typedef unsigned long long uint64_t;
  64 typedef unsigned int UInt32;
  65 typedef signed long CFIndex;
  66 typedef CFIndex CFByteOrder;
  67 typedef struct {
  68     CFIndex location;
  69     CFIndex length;
  70 } CFRange;
  71 static __inline__ __attribute__((always_inline)) CFRange CFRangeMake(CFIndex loc, CFIndex len) {
  72     CFRange range;
  73     range.location = loc;
  74     range.length = len;
  75     return range;
  76 }
  77 typedef const void * CFTypeRef;
  78 typedef const struct __CFString * CFStringRef;
  79 typedef const struct __CFAllocator * CFAllocatorRef;
  80 extern const CFAllocatorRef kCFAllocatorDefault;
  81 extern CFTypeRef CFRetain(CFTypeRef cf);
  82
  83 CF_IMPLICIT_BRIDGING_ENABLED
  84
  85 extern void CFRelease(CFTypeRef cf);
  86
  87 CF_IMPLICIT_BRIDGING_DISABLED
  88
  89 extern CFTypeRef CFMakeCollectable(CFTypeRef cf);
  90 typedef struct {
  91 }
  92 CFArrayCallBacks;
  93 extern const CFArrayCallBacks kCFTypeArrayCallBacks;
  94 typedef const struct __CFArray * CFArrayRef;
  95 typedef struct __CFArray * CFMutableArrayRef;
  96 extern CFMutableArrayRef CFArrayCreateMutable(CFAllocatorRef allocator, CFIndex capacity, const CFArrayCallBacks *callBacks) CF_RETURNS_RETAINED;
  97 extern const void *CFArrayGetValueAtIndex(CFArrayRef theArray, CFIndex idx) CF_RETURNS_NOT_RETAINED;
  98 extern void CFArrayAppendValue(CFMutableArrayRef theArray, const void *value);
  99 typedef struct {
 100 }
 101 CFDictionaryKeyCallBacks;
 102 extern const CFDictionaryKeyCallBacks kCFTypeDictionaryKeyCallBacks;
 103 typedef struct {
 104 }
 105 CFDictionaryValueCallBacks;
 106 extern const CFDictionaryValueCallBacks kCFTypeDictionaryValueCallBacks;
 107 typedef const struct __CFDictionary * CFDictionaryRef;
 108 typedef struct __CFDictionary * CFMutableDictionaryRef;
 109 extern CFMutableDictionaryRef CFDictionaryCreateMutable(CFAllocatorRef allocator, CFIndex capacity, const CFDictionaryKeyCallBacks *keyCallBacks, const CFDictionaryValueCallBacks *valueCallBacks) CF_RETURNS_RETAINED;
 110 typedef UInt32 CFStringEncoding;
 111 enum {
 112 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  };
 113 extern CFStringRef CFStringCreateWithCString(CFAllocatorRef alloc, const char *cStr, CFStringEncoding encoding) CF_RETURNS_RETAINED;
 114 typedef double CFTimeInterval;
 115 typedef CFTimeInterval CFAbsoluteTime;
 116 extern CFAbsoluteTime CFAbsoluteTimeGetCurrent(void);
 117 typedef const struct __CFDate * CFDateRef;
 118 extern CFDateRef CFDateCreate(CFAllocatorRef allocator, CFAbsoluteTime at) CF_RETURNS_RETAINED;
 119 extern CFAbsoluteTime CFDateGetAbsoluteTime(CFDateRef theDate);
 120 typedef __darwin_natural_t natural_t;
 121 typedef natural_t mach_port_name_t;
 122 typedef mach_port_name_t mach_port_t;
 123 typedef int kern_return_t;
 124 typedef kern_return_t mach_error_t;
 125 enum {
 126 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    };
 127 typedef CFIndex CFNumberType;
 128 typedef const struct __CFNumber * CFNumberRef;
 129 extern CFNumberRef CFNumberCreate(CFAllocatorRef allocator, CFNumberType theType, const void *valuePtr) CF_RETURNS_RETAINED;
 130 typedef const struct __CFAttributedString *CFAttributedStringRef;
 131 typedef struct __CFAttributedString *CFMutableAttributedStringRef;
 132 extern CFAttributedStringRef CFAttributedStringCreate(CFAllocatorRef alloc, CFStringRef str, CFDictionaryRef attributes) CF_RETURNS_RETAINED ;
 133 extern CFMutableAttributedStringRef CFAttributedStringCreateMutableCopy(CFAllocatorRef alloc, CFIndex maxLength, CFAttributedStringRef aStr) CF_RETURNS_RETAINED ;
 134 extern void CFAttributedStringSetAttribute(CFMutableAttributedStringRef aStr, CFRange range, CFStringRef attrName, CFTypeRef value) ;
 135 typedef signed char BOOL;
 136 typedef unsigned long NSUInteger;
 137 @class NSString, Protocol;
 138 extern void NSLog(NSString *format, ...) __attribute__((format(__NSString__, 1, 2)));
 139 typedef struct _NSZone NSZone;
 140 @class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator;
 141 @protocol NSObject
 142 - (BOOL)isEqual:(id)object;
 143 - (id)retain;
 144 - (oneway void)release;
 145 - (id)autorelease;
 146 - (NSString *)description;
 147 - (instancetype)init;
 148 @end
 149 @protocol NSCopying
 150 - (id)copyWithZone:(NSZone *)zone;
 151 @end
 152 @protocol NSMutableCopying  - (id)mutableCopyWithZone:(NSZone *)zone;
 153 @end
 154 @protocol NSCoding  - (void)encodeWithCoder:(NSCoder *)aCoder;
 155 @end
 156 @interface NSObject <NSObject> {}
 157 + (id)allocWithZone:(NSZone *)zone;
 158 + (id)alloc;
 159 + (id)new;
 160 - (void)dealloc;
 161 @end
 162 @interface NSObject (NSCoderMethods)
 163 - (id)awakeAfterUsingCoder:(NSCoder *)aDecoder;
 164 @end
 165 extern id NSAllocateObject(Class aClass, NSUInteger extraBytes, NSZone *zone);
 166 typedef struct {
 167 }
 168 NSFastEnumerationState;
 169 @protocol NSFastEnumeration
 170 - (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(NSUInteger)len;
 171 @end
 172 @class NSString, NSDictionary;
 173 @interface NSValue : NSObject <NSCopying, NSCoding>  - (void)getValue:(void *)value;
 174 @end
 175 @interface NSNumber : NSValue
 176 - (char)charValue;
 177 - (instancetype)initWithInt:(int)value;
 178 + (NSNumber *)numberWithInt:(int)value;
 179 @end
 180 @class NSString;
 181 @interface NSArray : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration>
 182 - (NSUInteger)count;
 183 - (instancetype)initWithObjects:(const id [])objects count:(NSUInteger)cnt;
 184 + (instancetype)arrayWithObject:(id)anObject;
 185 + (instancetype)arrayWithObjects:(const id [])objects count:(NSUInteger)cnt;
 186 + (instancetype)arrayWithObjects:(id)firstObj, ... __attribute__((sentinel(0,1)));
 187 - (instancetype)initWithObjects:(id)firstObj, ... __attribute__((sentinel(0,1)));
 188 - (instancetype)initWithArray:(NSArray *)array;
 189 @end  @interface NSArray (NSArrayCreation)  + (instancetype)array;
 190 @end       @interface NSAutoreleasePool : NSObject {
 191 }
 192 - (void)drain;
 193 @end extern NSString * const NSBundleDidLoadNotification;
 194 typedef double NSTimeInterval;
 195 @interface NSDate : NSObject <NSCopying, NSCoding>  - (NSTimeInterval)timeIntervalSinceReferenceDate;
 196 @end            typedef unsigned short unichar;
 197 @interface NSString : NSObject <NSCopying, NSMutableCopying, NSCoding>
 198 - (NSUInteger)length;
 199 - (NSString *)stringByAppendingString:(NSString *)aString;
 200 - ( const char *)UTF8String;
 201 - (instancetype)initWithUTF8String:(const char *)nullTerminatedCString;
 202 + (instancetype)stringWithUTF8String:(const char *)nullTerminatedCString;
 203 @end        @class NSString, NSURL, NSError;
 204 @interface NSData : NSObject <NSCopying, NSMutableCopying, NSCoding>  - (NSUInteger)length;
 205 + (instancetype)dataWithBytesNoCopy:(void *)bytes length:(NSUInteger)length;
 206 + (instancetype)dataWithBytesNoCopy:(void *)bytes length:(NSUInteger)length freeWhenDone:(BOOL)b;
 207 @end   @class NSLocale, NSDate, NSCalendar, NSTimeZone, NSError, NSArray, NSMutableDictionary;
 208 @interface NSDictionary : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration>
 209 - (NSUInteger)count;
 210 + (instancetype)dictionaryWithObjects:(NSArray *)objects forKeys:(NSArray *)keys;
 211 + (instancetype)dictionaryWithObjects:(const id [])objects forKeys:(const id <NSCopying> [])keys count:(NSUInteger)cnt;
 212 @end
 213 @interface NSMutableDictionary : NSDictionary  - (void)removeObjectForKey:(id)aKey;
 214 - (void)setObject:(id)anObject forKey:(id)aKey;
 215 @end  @interface NSMutableDictionary (NSMutableDictionaryCreation)  + (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
 216 @end  typedef double CGFloat;
 217 struct CGSize {
 218 };
 219 typedef struct CGSize CGSize;
 220 struct CGRect {
 221 };
 222 typedef struct CGRect CGRect;
 223 typedef mach_port_t io_object_t;
 224 typedef char io_name_t[128];
 225 typedef io_object_t io_iterator_t;
 226 typedef io_object_t io_service_t;
 227 typedef struct IONotificationPort * IONotificationPortRef;
 228 typedef void (*IOServiceMatchingCallback)(  void * refcon,  io_iterator_t iterator );
 229
 230 CF_IMPLICIT_BRIDGING_ENABLED
 231
 232 io_service_t IOServiceGetMatchingService(  mach_port_t masterPort,  CFDictionaryRef matching );
 233 kern_return_t IOServiceGetMatchingServices(  mach_port_t masterPort,  CFDictionaryRef matching,  io_iterator_t * existing );
 234
 235 CF_IMPLICIT_BRIDGING_DISABLED
 236
 237 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)); // expected-note {{'IOServiceAddNotification' declared here}}
 238 kern_return_t IOServiceAddMatchingNotification(  IONotificationPortRef notifyPort,  const io_name_t notificationType,  CFDictionaryRef CF_CONSUMED matching,         IOServiceMatchingCallback callback,         void * refCon,  io_iterator_t * notification );
 239
 240 CF_IMPLICIT_BRIDGING_ENABLED
 241
 242 CFMutableDictionaryRef IOServiceMatching(  const char * name );
 243 CFMutableDictionaryRef IOServiceNameMatching(  const char * name );
 244 CFMutableDictionaryRef IOBSDNameMatching(  mach_port_t masterPort,  uint32_t options,  const char * bsdName );
 245 CFMutableDictionaryRef IOOpenFirmwarePathMatching(  mach_port_t masterPort,  uint32_t options,  const char * path );
 246 CFMutableDictionaryRef IORegistryEntryIDMatching(  uint64_t entryID );
 247
 248 CF_IMPLICIT_BRIDGING_DISABLED
 249
 250 typedef struct __DASession * DASessionRef;
 251 extern DASessionRef DASessionCreate( CFAllocatorRef allocator ) CF_RETURNS_RETAINED;
 252 typedef struct __DADisk * DADiskRef;
 253 extern DADiskRef DADiskCreateFromBSDName( CFAllocatorRef allocator, DASessionRef session, const char * name ) CF_RETURNS_RETAINED;
 254 extern DADiskRef DADiskCreateFromIOMedia( CFAllocatorRef allocator, DASessionRef session, io_service_t media ) CF_RETURNS_RETAINED;
 255 extern CFDictionaryRef DADiskCopyDescription( DADiskRef disk ) CF_RETURNS_RETAINED;
 256 extern DADiskRef DADiskCopyWholeDisk( DADiskRef disk ) CF_RETURNS_RETAINED;
 257 @interface NSTask : NSObject - (instancetype)init;
 258 @end                    typedef struct CGColorSpace *CGColorSpaceRef;
 259 typedef struct CGImage *CGImageRef;
 260 typedef struct CGLayer *CGLayerRef;
 261 @interface NSResponder : NSObject <NSCoding> {
 262 }
 263 @end    @protocol NSAnimatablePropertyContainer      - (id)animator;
 264 @end  extern NSString *NSAnimationTriggerOrderIn ;
 265 @interface NSView : NSResponder  <NSAnimatablePropertyContainer>  {
 266 }
 267 @end @protocol NSValidatedUserInterfaceItem - (SEL)action;
 268 @end   @protocol NSUserInterfaceValidations - (BOOL)validateUserInterfaceItem:(id <NSValidatedUserInterfaceItem>)anItem;
 269 @end  @class NSDate, NSDictionary, NSError, NSException, NSNotification;
 270 @class NSTextField, NSPanel, NSArray, NSWindow, NSImage, NSButton, NSError;
 271 @interface NSApplication : NSResponder <NSUserInterfaceValidations> {
 272 }
 273 - (void)beginSheet:(NSWindow *)sheet modalForWindow:(NSWindow *)docWindow modalDelegate:(id)modalDelegate didEndSelector:(SEL)didEndSelector contextInfo:(void *)contextInfo;
 274 @end   enum {
 275 NSTerminateCancel = 0,         NSTerminateNow = 1,         NSTerminateLater = 2 };
 276 typedef NSUInteger NSApplicationTerminateReply;
 277 @protocol NSApplicationDelegate <NSObject> @optional        - (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)sender;
 278 @end  @class NSAttributedString, NSEvent, NSFont, NSFormatter, NSImage, NSMenu, NSText, NSView, NSTextView;
 279 @interface NSCell : NSObject <NSCopying, NSCoding> {
 280 }
 281 @end
 282 typedef struct {
 283 }
 284 CVTimeStamp;
 285 @interface CIImage : NSObject <NSCoding, NSCopying> {
 286 }
 287 typedef int CIFormat;
 288 @end  enum {
 289 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 };
 290 typedef mach_error_t DAReturn;
 291 typedef const struct __DADissenter * DADissenterRef;
 292 extern DADissenterRef DADissenterCreate( CFAllocatorRef allocator, DAReturn status, CFStringRef string ) CF_RETURNS_RETAINED;
 293 @interface CIContext: NSObject {
 294 }
 295 - (CGImageRef)createCGImage:(CIImage *)im fromRect:(CGRect)r CF_RETURNS_RETAINED;
 296 - (CGImageRef)createCGImage:(CIImage *)im fromRect:(CGRect)r     format:(CIFormat)f colorSpace:(CGColorSpaceRef)cs CF_RETURNS_RETAINED;
 297 - (CGLayerRef)createCGLayerWithSize:(CGSize)size info:(CFDictionaryRef)d CF_RETURNS_RETAINED;
 298 @end extern NSString* const QCRendererEventKey;
 299 @protocol QCCompositionRenderer - (NSDictionary*) attributes;
 300 @end   @interface QCRenderer : NSObject <QCCompositionRenderer> {
 301 }
 302 - (id) createSnapshotImageOfType:(NSString*)type NS_RETURNS_RETAINED;
 303 @end  extern NSString* const QCViewDidStartRenderingNotification;
 304 @interface QCView : NSView <QCCompositionRenderer> {
 305 }
 306 - (id) createSnapshotImageOfType:(NSString*)type NS_RETURNS_RETAINED;
 307 @end    enum {
 308 ICEXIFOrientation1 = 1,     ICEXIFOrientation2 = 2,     ICEXIFOrientation3 = 3,     ICEXIFOrientation4 = 4,     ICEXIFOrientation5 = 5,     ICEXIFOrientation6 = 6,     ICEXIFOrientation7 = 7,     ICEXIFOrientation8 = 8, };
 309 @class ICDevice;
 310 @protocol ICDeviceDelegate <NSObject>  @required      - (void)didRemoveDevice:(ICDevice*)device;
 311 @end extern NSString *const ICScannerStatusWarmingUp;
 312 @class ICScannerDevice;
 313 @protocol ICScannerDeviceDelegate <ICDeviceDelegate>  @optional       - (void)scannerDeviceDidBecomeAvailable:(ICScannerDevice*)scanner;
 314 @end
 315
 316 typedef long unsigned int __darwin_size_t;
 317 typedef __darwin_size_t size_t;
 318 typedef unsigned long CFTypeID;
 319 struct CGPoint {
 320   CGFloat x;
 321   CGFloat y;
 322 };
 323 typedef struct CGPoint CGPoint;
 324 typedef struct CGGradient *CGGradientRef;
 325 typedef uint32_t CGGradientDrawingOptions;
 326 extern CFTypeID CGGradientGetTypeID(void);
 327 extern CGGradientRef CGGradientCreateWithColorComponents(CGColorSpaceRef
 328   space, const CGFloat components[], const CGFloat locations[], size_t count) CF_RETURNS_RETAINED;
 329 extern CGGradientRef CGGradientCreateWithColors(CGColorSpaceRef space,
 330   CFArrayRef colors, const CGFloat locations[]) CF_RETURNS_RETAINED;
 331 extern CGGradientRef CGGradientRetain(CGGradientRef gradient);
 332
 333 CF_IMPLICIT_BRIDGING_ENABLED
 334
 335 extern void CGGradientRelease(CGGradientRef gradient);
 336
 337 CF_IMPLICIT_BRIDGING_DISABLED
 338
 339 typedef struct CGContext *CGContextRef;
 340 extern void CGContextDrawLinearGradient(CGContextRef context,
 341     CGGradientRef gradient, CGPoint startPoint, CGPoint endPoint,
 342     CGGradientDrawingOptions options);
 343
 344 CF_IMPLICIT_BRIDGING_ENABLED
 345
 346 extern CGColorSpaceRef CGColorSpaceCreateDeviceRGB(void);
 347
 348 CF_IMPLICIT_BRIDGING_DISABLED
 349
 350
 351 @interface NSMutableArray : NSObject
 352 - (void)addObject:(id)object;
 353 + (instancetype)array;
 354 @end
 355
 356 // This is how NSMakeCollectable is declared in the OS X 10.8 headers.
 357 id NSMakeCollectable(CFTypeRef __attribute__((cf_consumed))) __attribute__((ns_returns_retained));
 358
 359 typedef const struct __CFUUID * CFUUIDRef;
 360
 361 extern
 362 void *CFPlugInInstanceCreate(CFAllocatorRef allocator, CFUUIDRef factoryUUID, CFUUIDRef typeUUID);
 363
 364 //===----------------------------------------------------------------------===//
 365 // Test cases.
 366 //===----------------------------------------------------------------------===//
 367
 368 CFAbsoluteTime f1() {
 369   CFAbsoluteTime t = CFAbsoluteTimeGetCurrent();
 370   CFDateRef date = CFDateCreate(0, t);
 371   CFRetain(date);
 372   CFRelease(date);
 373   CFDateGetAbsoluteTime(date); // no-warning
 374   CFRelease(date);
 375   t = CFDateGetAbsoluteTime(date);   // expected-warning{{Reference-counted object is used after it is released}}
 376   return t;
 377 }
 378
 379 CFAbsoluteTime f2() {
 380   CFAbsoluteTime t = CFAbsoluteTimeGetCurrent();
 381   CFDateRef date = CFDateCreate(0, t);
 382   [((NSDate*) date) retain];
 383   CFRelease(date);
 384   CFDateGetAbsoluteTime(date); // no-warning
 385   [((NSDate*) date) release];
 386   t = CFDateGetAbsoluteTime(date);   // expected-warning{{Reference-counted object is used after it is released}}
 387   return t;
 388 }
 389
 390
 391 NSDate* global_x;
 392
 393 // Test to see if we suppress an error when we store the pointer
 394 // to a global.
 395
 396 CFAbsoluteTime f3() {
 397   CFAbsoluteTime t = CFAbsoluteTimeGetCurrent();
 398   CFDateRef date = CFDateCreate(0, t);
 399   [((NSDate*) date) retain];
 400   CFRelease(date);
 401   CFDateGetAbsoluteTime(date); // no-warning
 402   global_x = (NSDate*) date;
 403   [((NSDate*) date) release];
 404   t = CFDateGetAbsoluteTime(date);   // no-warning
 405   return t;
 406 }
 407
 408 //---------------------------------------------------------------------------
 409 // Test case 'f4' differs for region store and basic store.  See
 410 // retain-release-region-store.m and retain-release-basic-store.m.
 411 //---------------------------------------------------------------------------
 412
 413 // Test a leak.
 414
 415 CFAbsoluteTime f5(int x) {
 416   CFAbsoluteTime t = CFAbsoluteTimeGetCurrent();
 417   CFDateRef date = CFDateCreate(0, t); // expected-warning{{leak}}
 418
 419   if (x)
 420     CFRelease(date);
 421
 422   return t;
 423 }
 424
 425 // Test a leak involving the return.
 426
 427 CFDateRef f6(int x) {
 428   CFDateRef date = CFDateCreate(0, CFAbsoluteTimeGetCurrent());  // expected-warning{{leak}}
 429   CFRetain(date);
 430   return date;
 431 }
 432
 433 // Test a leak involving an overwrite.
 434
 435 CFDateRef f7() {
 436   CFDateRef date = CFDateCreate(0, CFAbsoluteTimeGetCurrent());  //expected-warning{{leak}}
 437   CFRetain(date);
 438   date = CFDateCreate(0, CFAbsoluteTimeGetCurrent()); // expected-warning {{leak}}
 439   return date;
 440 }
 441
 442 // Generalization of Create rule.  MyDateCreate returns a CFXXXTypeRef, and
 443 // has the word create.
 444
 445 CF_IMPLICIT_BRIDGING_ENABLED
 446
 447 CFDateRef MyDateCreate();
 448
 449 CF_IMPLICIT_BRIDGING_DISABLED
 450
 451
 452 CFDateRef f8() {
 453   CFDateRef date = MyDateCreate(); // expected-warning{{leak}}
 454   CFRetain(date);
 455   return date;
 456 }
 457
 458 __attribute__((cf_returns_retained)) CFDateRef f9() {
 459   CFDateRef date = CFDateCreate(0, CFAbsoluteTimeGetCurrent()); // no-warning
 460   int *p = 0;
 461   // When allocations fail, CFDateCreate can return null.
 462   if (!date) *p = 1; // expected-warning{{null}}
 463   return date;
 464 }
 465
 466 // Handle DiskArbitration API:
 467 //
 468 // http://developer.apple.com/DOCUMENTATION/DARWIN/Reference/DiscArbitrationFramework/
 469 //
 470 void f10(io_service_t media, DADiskRef d, CFStringRef s) {
 471   DADiskRef disk = DADiskCreateFromBSDName(kCFAllocatorDefault, 0, "hello"); // expected-warning{{leak}}
 472   if (disk) NSLog(@"ok");
 473
 474   disk = DADiskCreateFromIOMedia(kCFAllocatorDefault, 0, media); // expected-warning{{leak}}
 475   if (disk) NSLog(@"ok");
 476
 477   CFDictionaryRef dict = DADiskCopyDescription(d);  // expected-warning{{leak}}
 478   if (dict) NSLog(@"ok");
 479
 480   disk = DADiskCopyWholeDisk(d); // expected-warning{{leak}}
 481   if (disk) NSLog(@"ok");
 482
 483   DADissenterRef dissenter = DADissenterCreate(kCFAllocatorDefault,   // expected-warning{{leak}}
 484                                                 kDAReturnSuccess, s);
 485   if (dissenter) NSLog(@"ok");
 486
 487   DASessionRef session = DASessionCreate(kCFAllocatorDefault);  // expected-warning{{leak}}
 488   if (session) NSLog(@"ok");
 489 }
 490
 491 // Test retain/release checker with CFString and CFMutableArray.
 492 void f11() {
 493   // Create the array.
 494   CFMutableArrayRef A = CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks);
 495
 496   // Create a string.
 497   CFStringRef s1 = CFStringCreateWithCString(0, "hello world",
 498                                              kCFStringEncodingUTF8);
 499
 500   // Add the string to the array.
 501   CFArrayAppendValue(A, s1);
 502
 503   // Decrement the reference count.
 504   CFRelease(s1); // no-warning
 505
 506   // Get the string.  We don't own it.
 507   s1 = (CFStringRef) CFArrayGetValueAtIndex(A, 0);
 508
 509   // Release the array.
 510   CFRelease(A); // no-warning
 511
 512   // Release the string.  This is a bug.
 513   CFRelease(s1); // expected-warning{{Incorrect decrement of the reference count}}
 514 }
 515
 516 // PR 3337: Handle functions declared using typedefs.
 517 typedef CFTypeRef CREATEFUN();
 518
 519 CF_IMPLICIT_BRIDGING_ENABLED
 520
 521 CFTypeRef MyCreateFun();
 522
 523 CF_IMPLICIT_BRIDGING_DISABLED
 524
 525
 526 void f12() {
 527   CFTypeRef o = MyCreateFun(); // expected-warning {{leak}}
 528 }
 529
 530 void f13_autorelease() {
 531   CFMutableArrayRef A = CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // no-warning
 532   [(id) A autorelease]; // no-warning
 533 }
 534
 535 void f13_autorelease_b() {
 536   CFMutableArrayRef A = CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks);
 537   [(id) A autorelease];
 538   [(id) A autorelease];
 539 } // expected-warning{{Object autoreleased too many times}}
 540
 541 CFMutableArrayRef f13_autorelease_c() {
 542   CFMutableArrayRef A = CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks);
 543   [(id) A autorelease];
 544   [(id) A autorelease];
 545   return A; // expected-warning{{Object autoreleased too many times}}
 546 }
 547
 548 CFMutableArrayRef f13_autorelease_d() {
 549   CFMutableArrayRef A = CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks);
 550   [(id) A autorelease];
 551   [(id) A autorelease];
 552   CFMutableArrayRef B = CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // expected-warning{{Object autoreleased too many times}}
 553   CFRelease(B); // no-warning
 554   while (1) {}
 555 }
 556
 557
 558 // This case exercises the logic where the leak site is the same as the allocation site.
 559 void f14_leakimmediately() {
 560   CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // expected-warning{{leak}}
 561 }
 562
 563 // Test that we track an allocated object beyond the point where the *name*
 564 // of the variable storing the reference is no longer live.
 565 void f15() {
 566   // Create the array.
 567   CFMutableArrayRef A = CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks);
 568   CFMutableArrayRef *B = &A;
 569   // At this point, the name 'A' is no longer live.
 570   CFRelease(*B);  // no-warning
 571 }
 572
 573 // Test when we pass NULL to CFRetain/CFRelease/CFMakeCollectable/CFAutorelease.
 574 void f16(int x, CFTypeRef p) {
 575   if (p)
 576     return;
 577
 578   switch (x) {
 579   case 0:
 580     CFRelease(p);
 581     break;
 582   case 1:
 583     CFRetain(p);
 584     break;
 585   case 2:
 586     CFMakeCollectable(p);
 587     break;
 588   case 3:
 589     CFAutorelease(p);
 590     break;
 591   default:
 592     break;
 593   }
 594 }
 595
 596 // Test that an object is non-null after CFRetain/CFRelease/CFMakeCollectable/CFAutorelease.
 597 void f17(int x, CFTypeRef p) {
 598   switch (x) {
 599   case 0:
 600     CFRelease(p);
 601     if (!p)
 602       CFRelease(0); // no-warning
 603     break;
 604   case 1:
 605     CFRetain(p);
 606     if (!p)
 607       CFRetain(0); // no-warning
 608     break;
 609   case 2:
 610     CFMakeCollectable(p);
 611     if (!p)
 612       CFMakeCollectable(0); // no-warning
 613     break;
 614   case 3:
 615     CFAutorelease(p);
 616     if (!p)
 617       CFAutorelease(0); // no-warning
 618     break;
 619   default:
 620     break;
 621   }
 622 }
 623
 624 // Test basic tracking of ivars associated with 'self'.  For the retain/release
 625 // checker we currently do not want to flag leaks associated with stores
 626 // of tracked objects to ivars.
 627 @interface SelfIvarTest : NSObject {
 628   id myObj;
 629 }
 630 - (void)test_self_tracking;
 631 @end
 632
 633 @implementation SelfIvarTest
 634 - (void)test_self_tracking {
 635   myObj = (id) CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // no-warning
 636 }
 637 @end
 638
 639 // Test return of non-owned objects in contexts where an owned object
 640 // is expected.
 641 @interface TestReturnNotOwnedWhenExpectedOwned
 642 - (NSString*)newString;
 643 @end
 644
 645 @implementation TestReturnNotOwnedWhenExpectedOwned
 646 - (NSString*)newString {
 647   NSString *s = [NSString stringWithUTF8String:"hello"];
 648   return s; // expected-warning{{Object with a +0 retain count returned to caller where a +1 (owning) retain count is expected}}
 649 }
 650 @end
 651
 652 // <rdar://problem/6659160>
 653 int isFoo(char c);
 654
 655 static void rdar_6659160(char *inkind, char *inname)
 656 {
 657   // We currently expect that [NSObject alloc] cannot fail.  This
 658   // will be a toggled flag in the future.  It can indeed return null, but
 659   // Cocoa programmers generally aren't expected to reason about out-of-memory
 660   // conditions.
 661   NSString *kind = [[NSString alloc] initWithUTF8String:inkind];  // expected-warning{{leak}}
 662
 663   // We do allow stringWithUTF8String to fail.  This isn't really correct, as
 664   // far as returning 0.  In most error conditions it will throw an exception.
 665   // If allocation fails it could return 0, but again this
 666   // isn't expected.
 667   NSString *name = [NSString stringWithUTF8String:inname];
 668   if(!name)
 669     return;
 670
 671   const char *kindC = 0;
 672   const char *nameC = 0;
 673
 674   // In both cases, we cannot reach a point down below where we
 675   // dereference kindC or nameC with either being null.  This is because
 676   // we assume that [NSObject alloc] doesn't fail and that we have the guard
 677   // up above.
 678
 679   if(kind)
 680     kindC = [kind UTF8String];
 681   if(name)
 682     nameC = [name UTF8String];
 683   if(!isFoo(kindC[0])) // expected-warning{{null}}
 684     return;
 685   if(!isFoo(nameC[0])) // no-warning
 686     return;
 687
 688   [kind release];
 689   [name release]; // expected-warning{{Incorrect decrement of the reference count}}
 690 }
 691
 692 // PR 3677 - 'allocWithZone' should be treated as following the Cocoa naming
 693 //  conventions with respect to 'return'ing ownership.
 694 @interface PR3677: NSObject @end
 695 @implementation PR3677
 696 + (id)allocWithZone:(NSZone *)inZone {
 697   return [super allocWithZone:inZone];  // no-warning
 698 }
 699 @end
 700
 701 // PR 3820 - Reason about calls to -dealloc
 702 void pr3820_DeallocInsteadOfRelease(void)
 703 {
 704   id foo = [[NSString alloc] init]; // no-warning
 705   [foo dealloc];
 706   // foo is not leaked, since it has been deallocated.
 707 }
 708
 709 void pr3820_ReleaseAfterDealloc(void)
 710 {
 711   id foo = [[NSString alloc] init];
 712   [foo dealloc];
 713   [foo release];  // expected-warning{{used after it is release}}
 714   // NSInternalInconsistencyException: message sent to deallocated object
 715 }
 716
 717 void pr3820_DeallocAfterRelease(void)
 718 {
 719   NSLog(@"\n\n[%s]", __FUNCTION__);
 720   id foo = [[NSString alloc] init];
 721   [foo release];
 722   [foo dealloc]; // expected-warning{{used after it is released}}
 723   // message sent to released object
 724 }
 725
 726 // From <rdar://problem/6704930>.  The problem here is that 'length' binds to
 727 // '($0 - 1)' after '--length', but SimpleConstraintManager doesn't know how to
 728 // reason about '($0 - 1) > constant'.  As a temporary hack, we drop the value
 729 // of '($0 - 1)' and conjure a new symbol.
 730 void rdar6704930(unsigned char *s, unsigned int length) {
 731   NSString* name = 0;
 732   if (s != 0) {
 733     if (length > 0) {
 734       while (length > 0) {
 735         if (*s == ':') {
 736           ++s;
 737           --length;
 738           name = [[NSString alloc] init]; // no-warning
 739           break;
 740         }
 741         ++s;
 742         --length;
 743       }
 744       if ((length == 0) && (name != 0)) {
 745         [name release];
 746         name = 0;
 747       }
 748       if (length == 0) { // no ':' found -> use it all as name
 749         name = [[NSString alloc] init]; // no-warning
 750       }
 751     }
 752   }
 753
 754   if (name != 0) {
 755     [name release];
 756   }
 757 }
 758
 759 //===----------------------------------------------------------------------===//
 760 // <rdar://problem/6833332>
 761 // One build of the analyzer accidentally stopped tracking the allocated
 762 // object after the 'retain'.
 763 //===----------------------------------------------------------------------===//
 764
 765 @interface rdar_6833332 : NSObject <NSApplicationDelegate> {
 766     NSWindow *window;
 767 }
 768 @property (nonatomic, retain) NSWindow *window;
 769 @end
 770
 771 @implementation rdar_6833332
 772 @synthesize window;
 773 - (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
 774  NSMutableDictionary *dict = [[NSMutableDictionary dictionaryWithCapacity:4] retain]; // expected-warning{{leak}}
 775
 776  [dict setObject:@"foo" forKey:@"bar"];
 777
 778  NSLog(@"%@", dict);
 779 }
 780 - (void)dealloc {
 781     [window release];
 782     [super dealloc];
 783 }
 784
 785 - (void)radar10102244 {
 786  NSMutableDictionary *dict = [[NSMutableDictionary dictionaryWithCapacity:4] retain]; // expected-warning{{leak}}
 787  if (window)
 788    NSLog(@"%@", window);
 789 }
 790 @end
 791
 792 //===----------------------------------------------------------------------===//
 793 // <rdar://problem/6257780> clang checker fails to catch use-after-release
 794 //===----------------------------------------------------------------------===//
 795
 796 int rdar_6257780_Case1() {
 797   NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
 798   NSArray *array = [NSArray array];
 799   [array release]; // expected-warning{{Incorrect decrement of the reference count of an object that is not owned at this point by the caller}}
 800   [pool drain];
 801   return 0;
 802 }
 803
 804 //===----------------------------------------------------------------------===//
 805 // <rdar://problem/10640253> Analyzer is confused about NSAutoreleasePool -allocWithZone:.
 806 //===----------------------------------------------------------------------===//
 807
 808 void rdar_10640253_autorelease_allocWithZone() {
 809     NSAutoreleasePool *pool = [[NSAutoreleasePool allocWithZone:(NSZone*)0] init];
 810     (void) pool;
 811 }
 812
 813 //===----------------------------------------------------------------------===//
 814 // <rdar://problem/6866843> Checker should understand new/setObject:/release constructs
 815 //===----------------------------------------------------------------------===//
 816
 817 void rdar_6866843() {
 818  NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
 819  NSMutableDictionary* dictionary = [[NSMutableDictionary alloc] init];
 820  NSArray* array = [[NSArray alloc] init];
 821  [dictionary setObject:array forKey:@"key"];
 822  [array release];
 823  // Using 'array' here should be fine
 824  NSLog(@"array = %@\n", array); // no-warning
 825  // Now the array is released
 826  [dictionary release];
 827  [pool drain];
 828 }
 829
 830
 831 //===----------------------------------------------------------------------===//
 832 // <rdar://problem/6877235> Classes typedef-ed to CF objects should get the same treatment as CF objects
 833 //===----------------------------------------------------------------------===//
 834
 835 typedef CFTypeRef OtherRef;
 836
 837 @interface RDar6877235 : NSObject {}
 838 - (CFTypeRef)_copyCFTypeRef CF_RETURNS_RETAINED;
 839 - (OtherRef)_copyOtherRef CF_RETURNS_RETAINED;
 840 @end
 841
 842 @implementation RDar6877235
 843 - (CFTypeRef)_copyCFTypeRef {
 844   return [[NSString alloc] init]; // no-warning
 845 }
 846 - (OtherRef)_copyOtherRef {
 847   return [[NSString alloc] init]; // no-warning
 848 }
 849 @end
 850
 851 //===----------------------------------------------------------------------===//
 852 // <rdar://problem/6320065> false positive - init method returns an object
 853 // owned by caller
 854 //===----------------------------------------------------------------------===//
 855
 856 @interface RDar6320065 : NSObject {
 857   NSString *_foo;
 858 }
 859 - (instancetype)initReturningNewClass;
 860 - (id)_initReturningNewClassBad;
 861 - (instancetype)initReturningNewClassBad2;
 862 @end
 863
 864 @interface RDar6320065Subclass : RDar6320065
 865 @end
 866
 867 @implementation RDar6320065
 868 - (instancetype)initReturningNewClass {
 869   [self release];
 870   self = [[RDar6320065Subclass alloc] init]; // no-warning
 871   return self;
 872 }
 873 - (id)_initReturningNewClassBad {
 874   [self release];
 875   [[RDar6320065Subclass alloc] init]; // expected-warning {{leak}}
 876   return self;
 877 }
 878 - (instancetype)initReturningNewClassBad2 {
 879   [self release];
 880   self = [[RDar6320065Subclass alloc] init];
 881   return [self autorelease]; // expected-warning{{Object with a +0 retain count returned to caller where a +1 (owning) retain count is expected}}
 882 }
 883
 884 @end
 885
 886 @implementation RDar6320065Subclass
 887 @end
 888
 889 int RDar6320065_test() {
 890   RDar6320065 *test = [[RDar6320065 alloc] init]; // no-warning
 891   [test release];
 892   return 0;
 893 }
 894
 895 //===----------------------------------------------------------------------===//
 896 // <rdar://problem/7129086> -awakeAfterUsingCoder: returns an owned object
 897 //  and claims the receiver
 898 //===----------------------------------------------------------------------===//
 899
 900 @interface RDar7129086 : NSObject {} @end
 901 @implementation RDar7129086
 902 - (id)awakeAfterUsingCoder:(NSCoder *)aDecoder {
 903   [self release]; // no-warning
 904   return [NSString alloc];  // no-warning
 905 }
 906 @end
 907
 908 //===----------------------------------------------------------------------===//
 909 // <rdar://problem/6859457> [NSData dataWithBytesNoCopy] does not return a
 910 //  retained object
 911 //===----------------------------------------------------------------------===//
 912
 913 @interface RDar6859457 : NSObject {}
 914 - (NSString*) NoCopyString;
 915 - (NSString*) noCopyString;
 916 @end
 917
 918 @implementation RDar6859457
 919 - (NSString*) NoCopyString { return [[NSString alloc] init]; } // expected-warning{{leak}}
 920 - (NSString*) noCopyString { return [[NSString alloc] init]; } // expected-warning{{leak}}
 921 @end
 922
 923 void test_RDar6859457(RDar6859457 *x, void *bytes, NSUInteger dataLength) {
 924   [x NoCopyString]; // expected-warning{{leak}}
 925   [x noCopyString]; // expected-warning{{leak}}
 926   [NSData dataWithBytesNoCopy:bytes length:dataLength];  // no-warning
 927   [NSData dataWithBytesNoCopy:bytes length:dataLength freeWhenDone:1]; // no-warning
 928 }
 929
 930 //===----------------------------------------------------------------------===//
 931 // PR 4230 - an autorelease pool is not necessarily leaked during a premature
 932 //  return
 933 //===----------------------------------------------------------------------===//
 934
 935 static void PR4230(void)
 936 {
 937   NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; // no-warning
 938   NSString *object = [[[NSString alloc] init] autorelease]; // no-warning
 939   return;
 940 }
 941
 942 static void PR4230_new(void)
 943 {
 944   NSAutoreleasePool *pool = [NSAutoreleasePool new]; // no-warning
 945   NSString *object = [[[NSString alloc] init] autorelease]; // no-warning
 946   return;
 947 }
 948
 949 //===----------------------------------------------------------------------===//
 950 // Method name that has a null IdentifierInfo* for its first selector slot.
 951 // This test just makes sure that we handle it.
 952 //===----------------------------------------------------------------------===//
 953
 954 @interface TestNullIdentifier
 955 @end
 956
 957 @implementation TestNullIdentifier
 958 + (id):(int)x, ... {
 959   return [[NSString alloc] init]; // expected-warning{{leak}}
 960 }
 961 @end
 962
 963 //===----------------------------------------------------------------------===//
 964 // <rdar://problem/6893565> don't flag leaks for return types that cannot be
 965 //                          determined to be CF types
 966 //===----------------------------------------------------------------------===//
 967
 968 // We don't know if 'struct s6893565' represents a Core Foundation type, so
 969 // we shouldn't emit an error here.
 970 typedef struct s6893565* TD6893565;
 971
 972 @interface RDar6893565 {}
 973 -(TD6893565)newThing;
 974 @end
 975
 976 @implementation RDar6893565
 977 -(TD6893565)newThing {
 978   return (TD6893565) [[NSString alloc] init]; // no-warning
 979 }
 980 @end
 981
 982 //===----------------------------------------------------------------------===//
 983 // <rdar://problem/6902710> clang: false positives w/QC and CoreImage methods
 984 //===----------------------------------------------------------------------===//
 985
 986 void rdar6902710(QCView *view, QCRenderer *renderer, CIContext *context,
 987                  NSString *str, CIImage *img, CGRect rect,
 988                  CIFormat form, CGColorSpaceRef cs) {
 989   [view createSnapshotImageOfType:str]; // expected-warning{{leak}}
 990   [renderer createSnapshotImageOfType:str]; // expected-warning{{leak}}
 991   [context createCGImage:img fromRect:rect]; // expected-warning{{leak}}
 992   [context createCGImage:img fromRect:rect format:form colorSpace:cs]; // expected-warning{{leak}}
 993 }
 994
 995 //===----------------------------------------------------------------------===//
 996 // <rdar://problem/6945561> -[CIContext createCGLayerWithSize:info:]
 997 //                           misinterpreted by clang scan-build
 998 //===----------------------------------------------------------------------===//
 999
1000 void rdar6945561(CIContext *context, CGSize size, CFDictionaryRef d) {
1001   [context createCGLayerWithSize:size info:d]; // expected-warning{{leak}}
1002 }
1003
1004 //===----------------------------------------------------------------------===//
1005 // <rdar://problem/6961230> add knowledge of IOKit functions to retain/release
1006 //                          checker
1007 //===----------------------------------------------------------------------===//
1008
1009 void IOBSDNameMatching_wrapper(mach_port_t masterPort, uint32_t options,  const char * bsdName) {
1010   IOBSDNameMatching(masterPort, options, bsdName); // expected-warning{{leak}}
1011 }
1012
1013 void IOServiceMatching_wrapper(const char * name) {
1014   IOServiceMatching(name); // expected-warning{{leak}}
1015 }
1016
1017 void IOServiceNameMatching_wrapper(const char * name) {
1018   IOServiceNameMatching(name); // expected-warning{{leak}}
1019 }
1020
1021 CF_RETURNS_RETAINED CFDictionaryRef CreateDict();
1022
1023 void IOServiceAddNotification_wrapper(mach_port_t masterPort, const io_name_t notificationType,
1024   mach_port_t wakePort, uintptr_t reference, io_iterator_t * notification ) {
1025
1026   CFDictionaryRef matching = CreateDict();
1027   CFRelease(matching);
1028   IOServiceAddNotification(masterPort, notificationType, matching, // expected-warning{{used after it is released}} expected-warning{{deprecated}}
1029                            wakePort, reference, notification);
1030 }
1031
1032 void IORegistryEntryIDMatching_wrapper(uint64_t entryID ) {
1033   IORegistryEntryIDMatching(entryID); // expected-warning{{leak}}
1034 }
1035
1036 void IOOpenFirmwarePathMatching_wrapper(mach_port_t masterPort, uint32_t options,
1037                                         const char * path) {
1038   IOOpenFirmwarePathMatching(masterPort, options, path); // expected-warning{{leak}}
1039 }
1040
1041 void IOServiceGetMatchingService_wrapper(mach_port_t masterPort) {
1042   CFDictionaryRef matching = CreateDict();
1043   IOServiceGetMatchingService(masterPort, matching);
1044   CFRelease(matching); // expected-warning{{used after it is released}}
1045 }
1046
1047 void IOServiceGetMatchingServices_wrapper(mach_port_t masterPort, io_iterator_t *existing) {
1048   CFDictionaryRef matching = CreateDict();
1049   IOServiceGetMatchingServices(masterPort, matching, existing);
1050   CFRelease(matching); // expected-warning{{used after it is released}}
1051 }
1052
1053 void IOServiceAddMatchingNotification_wrapper(IONotificationPortRef notifyPort, const io_name_t notificationType,
1054   IOServiceMatchingCallback callback, void * refCon, io_iterator_t * notification) {
1055
1056   CFDictionaryRef matching = CreateDict();
1057   IOServiceAddMatchingNotification(notifyPort, notificationType, matching, callback, refCon, notification);
1058   CFRelease(matching); // expected-warning{{used after it is released}}
1059 }
1060
1061 //===----------------------------------------------------------------------===//
1062 // Test of handling objects whose references "escape" to containers.
1063 //===----------------------------------------------------------------------===//
1064
1065 void CFDictionaryAddValue(CFMutableDictionaryRef, void *, void *);
1066
1067 // <rdar://problem/6539791>
1068 void rdar_6539791(CFMutableDictionaryRef y, void* key, void* val_key) {
1069   CFMutableDictionaryRef x = CFDictionaryCreateMutable(kCFAllocatorDefault, 1, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
1070   CFDictionaryAddValue(y, key, x);
1071   CFRelease(x); // the dictionary keeps a reference, so the object isn't deallocated yet
1072   signed z = 1;
1073   CFNumberRef value = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &z);
1074   if (value) {
1075     CFDictionaryAddValue(x, val_key, (void*)value); // no-warning
1076     CFRelease(value);
1077     CFDictionaryAddValue(y, val_key, (void*)value); // no-warning
1078   }
1079 }
1080
1081 // <rdar://problem/6560661>
1082 // Same issue, except with "AppendValue" functions.
1083 void rdar_6560661(CFMutableArrayRef x) {
1084   signed z = 1;
1085   CFNumberRef value = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &z);
1086   // CFArrayAppendValue keeps a reference to value.
1087   CFArrayAppendValue(x, value);
1088   CFRelease(value);
1089   CFRetain(value);
1090   CFRelease(value); // no-warning
1091 }
1092
1093 // <rdar://problem/7152619>
1094 // Same issue, excwept with "CFAttributeStringSetAttribute".
1095 void rdar_7152619(CFStringRef str) {
1096   CFAttributedStringRef string = CFAttributedStringCreate(kCFAllocatorDefault, str, 0);
1097   CFMutableAttributedStringRef attrString = CFAttributedStringCreateMutableCopy(kCFAllocatorDefault, 100, string);
1098   CFRelease(string);
1099   NSNumber *number = [[NSNumber alloc] initWithInt:5]; // expected-warning{{leak}}
1100   CFAttributedStringSetAttribute(attrString, CFRangeMake(0, 1), str, number);
1101   [number release];
1102   [number retain];
1103   CFRelease(attrString);
1104 }
1105
1106 //===----------------------------------------------------------------------===//
1107 // Test of handling CGGradientXXX functions.
1108 //===----------------------------------------------------------------------===//
1109
1110 void rdar_7184450(CGContextRef myContext, CGFloat x, CGPoint myStartPoint,
1111                   CGPoint myEndPoint) {
1112   size_t num_locations = 6;
1113   CGFloat locations[6] = { 0.0, 0.265, 0.28, 0.31, 0.36, 1.0 };
1114   CGFloat components[28] = { 239.0/256.0, 167.0/256.0, 170.0/256.0,
1115      x,  // Start color
1116     207.0/255.0, 39.0/255.0, 39.0/255.0, x,
1117     147.0/255.0, 21.0/255.0, 22.0/255.0, x,
1118     175.0/255.0, 175.0/255.0, 175.0/255.0, x,
1119     255.0/255.0,255.0/255.0, 255.0/255.0, x,
1120     255.0/255.0,255.0/255.0, 255.0/255.0, x
1121   }; // End color
1122
1123   CGGradientRef myGradient =
1124     CGGradientCreateWithColorComponents(CGColorSpaceCreateDeviceRGB(), // expected-warning{{leak}}
1125       components, locations, num_locations);
1126
1127   CGContextDrawLinearGradient(myContext, myGradient, myStartPoint, myEndPoint,
1128                               0);
1129   CGGradientRelease(myGradient);
1130 }
1131
1132 void rdar_7184450_pos(CGContextRef myContext, CGFloat x, CGPoint myStartPoint,
1133                   CGPoint myEndPoint) {
1134   size_t num_locations = 6;
1135   CGFloat locations[6] = { 0.0, 0.265, 0.28, 0.31, 0.36, 1.0 };
1136   CGFloat components[28] = { 239.0/256.0, 167.0/256.0, 170.0/256.0,
1137      x,  // Start color
1138     207.0/255.0, 39.0/255.0, 39.0/255.0, x,
1139     147.0/255.0, 21.0/255.0, 22.0/255.0, x,
1140     175.0/255.0, 175.0/255.0, 175.0/255.0, x,
1141     255.0/255.0,255.0/255.0, 255.0/255.0, x,
1142     255.0/255.0,255.0/255.0, 255.0/255.0, x
1143   }; // End color
1144
1145   CGGradientRef myGradient =
1146    CGGradientCreateWithColorComponents(CGColorSpaceCreateDeviceRGB(), components, locations, num_locations); // expected-warning 2 {{leak}}
1147
1148   CGContextDrawLinearGradient(myContext, myGradient, myStartPoint, myEndPoint,
1149                               0);
1150 }
1151
1152 //===----------------------------------------------------------------------===//
1153 // <rdar://problem/7299394> clang false positive: retained instance passed to
1154 //                          thread in pthread_create marked as leak
1155 //
1156 // Until we have full IPA, the analyzer should stop tracking the reference
1157 // count of objects passed to pthread_create.
1158 //
1159 //===----------------------------------------------------------------------===//
1160
1161 struct _opaque_pthread_t {};
1162 struct _opaque_pthread_attr_t {};
1163 typedef struct _opaque_pthread_t *__darwin_pthread_t;
1164 typedef struct _opaque_pthread_attr_t __darwin_pthread_attr_t;
1165 typedef __darwin_pthread_t pthread_t;
1166 typedef __darwin_pthread_attr_t pthread_attr_t;
1167 typedef unsigned long __darwin_pthread_key_t;
1168 typedef __darwin_pthread_key_t pthread_key_t;
1169
1170 int pthread_create(pthread_t *, const pthread_attr_t *,
1171                    void *(*)(void *), void *);
1172
1173 int pthread_setspecific(pthread_key_t key, const void *value);
1174
1175 void *rdar_7299394_start_routine(void *p) {
1176   [((id) p) release];
1177   return 0;
1178 }
1179 void rdar_7299394(pthread_attr_t *attr, pthread_t *thread, void *args) {
1180   NSNumber *number = [[NSNumber alloc] initWithInt:5]; // no-warning
1181   pthread_create(thread, attr, rdar_7299394_start_routine, number);
1182 }
1183 void rdar_7299394_positive(pthread_attr_t *attr, pthread_t *thread) {
1184   NSNumber *number = [[NSNumber alloc] initWithInt:5]; // expected-warning{{leak}}
1185 }
1186
1187 //===----------------------------------------------------------------------===//
1188 // <rdar://problem/11282706> false positive with not understanding thread
1189 // local storage
1190 //===----------------------------------------------------------------------===//
1191
1192 void rdar11282706(pthread_key_t key) {
1193   NSNumber *number = [[NSNumber alloc] initWithInt:5]; // no-warning
1194   pthread_setspecific(key, (void*) number);
1195 }
1196
1197 //===----------------------------------------------------------------------===//
1198 // <rdar://problem/7283567> False leak associated with call to
1199 //                          CVPixelBufferCreateWithBytes ()
1200 //
1201 // According to the Core Video Reference (ADC), CVPixelBufferCreateWithBytes and
1202 // CVPixelBufferCreateWithPlanarBytes can release (via a callback) the
1203 // pixel buffer object.  These test cases show how the analyzer stops tracking
1204 // the reference count for the objects passed for this argument.  This
1205 // could be made smarter.
1206 //===----------------------------------------------------------------------===//
1207
1208 typedef int int32_t;
1209 typedef UInt32 FourCharCode;
1210 typedef FourCharCode OSType;
1211 typedef uint64_t CVOptionFlags;
1212 typedef int32_t CVReturn;
1213 typedef struct __CVBuffer *CVBufferRef;
1214 typedef CVBufferRef CVImageBufferRef;
1215 typedef CVImageBufferRef CVPixelBufferRef;
1216 typedef void (*CVPixelBufferReleaseBytesCallback)( void *releaseRefCon, const void *baseAddress );
1217
1218 extern CVReturn CVPixelBufferCreateWithBytes(CFAllocatorRef allocator,
1219             size_t width,
1220             size_t height,
1221             OSType pixelFormatType,
1222             void *baseAddress,
1223             size_t bytesPerRow,
1224             CVPixelBufferReleaseBytesCallback releaseCallback,
1225             void *releaseRefCon,
1226             CFDictionaryRef pixelBufferAttributes,
1227                    CVPixelBufferRef *pixelBufferOut) ;
1228
1229 typedef void (*CVPixelBufferReleasePlanarBytesCallback)( void *releaseRefCon, const void *dataPtr, size_t dataSize, size_t numberOfPlanes, const void *planeAddresses[] );
1230
1231 extern CVReturn CVPixelBufferCreateWithPlanarBytes(CFAllocatorRef allocator,
1232         size_t width,
1233         size_t height,
1234         OSType pixelFormatType,
1235         void *dataPtr,
1236         size_t dataSize,
1237         size_t numberOfPlanes,
1238         void *planeBaseAddress[],
1239         size_t planeWidth[],
1240         size_t planeHeight[],
1241         size_t planeBytesPerRow[],
1242         CVPixelBufferReleasePlanarBytesCallback releaseCallback,
1243         void *releaseRefCon,
1244         CFDictionaryRef pixelBufferAttributes,
1245         CVPixelBufferRef *pixelBufferOut) ;
1246
1247 extern CVReturn CVPixelBufferCreateWithBytes(CFAllocatorRef allocator,
1248             size_t width,
1249             size_t height,
1250             OSType pixelFormatType,
1251             void *baseAddress,
1252             size_t bytesPerRow,
1253             CVPixelBufferReleaseBytesCallback releaseCallback,
1254             void *releaseRefCon,
1255             CFDictionaryRef pixelBufferAttributes,
1256                    CVPixelBufferRef *pixelBufferOut) ;
1257
1258 CVReturn rdar_7283567(CFAllocatorRef allocator, size_t width, size_t height,
1259                       OSType pixelFormatType, void *baseAddress,
1260                       size_t bytesPerRow,
1261                       CVPixelBufferReleaseBytesCallback releaseCallback,
1262                       CFDictionaryRef pixelBufferAttributes,
1263                       CVPixelBufferRef *pixelBufferOut) {
1264
1265   // For the allocated object, it doesn't really matter what type it is
1266   // for the purpose of this test.  All we want to show is that
1267   // this is freed later by the callback.
1268   NSNumber *number = [[NSNumber alloc] initWithInt:5]; // no-warning
1269
1270   return CVPixelBufferCreateWithBytes(allocator, width, height, pixelFormatType,
1271                                 baseAddress, bytesPerRow, releaseCallback,
1272                                 number, // potentially released by callback
1273                                 pixelBufferAttributes, pixelBufferOut) ;
1274 }
1275
1276 CVReturn rdar_7283567_2(CFAllocatorRef allocator, size_t width, size_t height,
1277         OSType pixelFormatType, void *dataPtr, size_t dataSize,
1278         size_t numberOfPlanes, void *planeBaseAddress[],
1279         size_t planeWidth[], size_t planeHeight[], size_t planeBytesPerRow[],
1280         CVPixelBufferReleasePlanarBytesCallback releaseCallback,
1281         CFDictionaryRef pixelBufferAttributes,
1282         CVPixelBufferRef *pixelBufferOut) {
1283
1284     // For the allocated object, it doesn't really matter what type it is
1285     // for the purpose of this test.  All we want to show is that
1286     // this is freed later by the callback.
1287     NSNumber *number = [[NSNumber alloc] initWithInt:5]; // no-warning
1288
1289     return CVPixelBufferCreateWithPlanarBytes(allocator,
1290               width, height, pixelFormatType, dataPtr, dataSize,
1291               numberOfPlanes, planeBaseAddress, planeWidth,
1292               planeHeight, planeBytesPerRow, releaseCallback,
1293               number, // potentially released by callback
1294               pixelBufferAttributes, pixelBufferOut) ;
1295 }
1296
1297 //===----------------------------------------------------------------------===//
1298 // <rdar://problem/7358899> False leak associated with
1299 //  CGBitmapContextCreateWithData
1300 //===----------------------------------------------------------------------===//
1301 typedef uint32_t CGBitmapInfo;
1302 typedef void (*CGBitmapContextReleaseDataCallback)(void *releaseInfo, void *data);
1303
1304 CGContextRef CGBitmapContextCreateWithData(void *data,
1305     size_t width, size_t height, size_t bitsPerComponent,
1306     size_t bytesPerRow, CGColorSpaceRef space, CGBitmapInfo bitmapInfo,
1307     CGBitmapContextReleaseDataCallback releaseCallback, void *releaseInfo) CF_RETURNS_RETAINED;
1308
1309 void rdar_7358899(void *data,
1310       size_t width, size_t height, size_t bitsPerComponent,
1311       size_t bytesPerRow, CGColorSpaceRef space, CGBitmapInfo bitmapInfo,
1312       CGBitmapContextReleaseDataCallback releaseCallback) {
1313
1314     // For the allocated object, it doesn't really matter what type it is
1315     // for the purpose of this test.  All we want to show is that
1316     // this is freed later by the callback.
1317     NSNumber *number = [[NSNumber alloc] initWithInt:5]; // no-warning
1318
1319   CGBitmapContextCreateWithData(data, width, height, bitsPerComponent, // expected-warning{{leak}}
1320     bytesPerRow, space, bitmapInfo, releaseCallback, number);
1321 }
1322
1323 //===----------------------------------------------------------------------===//
1324 // <rdar://problem/7265711> allow 'new', 'copy', 'alloc', 'init' prefix to
1325 //  start before '_' when determining Cocoa fundamental rule
1326 //
1327 // Previously the retain/release checker just skipped prefixes before the
1328 // first '_' entirely.  Now the checker honors the prefix if it results in a
1329 // recognizable naming convention (e.g., 'new', 'init').
1330 //===----------------------------------------------------------------------===//
1331
1332 @interface RDar7265711 {}
1333 - (id) new_stuff;
1334 @end
1335
1336 void rdar7265711_a(RDar7265711 *x) {
1337   id y = [x new_stuff]; // expected-warning{{leak}}
1338 }
1339
1340 void rdar7265711_b(RDar7265711 *x) {
1341   id y = [x new_stuff]; // no-warning
1342   [y release];
1343 }
1344
1345 //===----------------------------------------------------------------------===//
1346 // <rdar://problem/7306898> clang thinks [NSCursor dragCopyCursor] returns a
1347 //                          retained reference
1348 //===----------------------------------------------------------------------===//
1349
1350 @interface NSCursor : NSObject
1351 + (NSCursor *)dragCopyCursor;
1352 @end
1353
1354 void rdar7306898(void) {
1355   // 'dragCopyCursor' does not follow Cocoa's fundamental rule.  It is a noun, not an sentence
1356   // implying a 'copy' of something.
1357   NSCursor *c =  [NSCursor dragCopyCursor]; // no-warning
1358   NSNumber *number = [[NSNumber alloc] initWithInt:5]; // expected-warning{{leak}}
1359 }
1360
1361 //===----------------------------------------------------------------------===//
1362 // <rdar://problem/7252064> sending 'release', 'retain', etc. to a Class
1363 // directly is not likely what the user intended
1364 //===----------------------------------------------------------------------===//
1365
1366 @interface RDar7252064 : NSObject @end
1367 void rdar7252064(void) {
1368   [RDar7252064 release]; // expected-warning{{The 'release' message should be sent to instances of class 'RDar7252064' and not the class directly}}
1369   [RDar7252064 retain]; // expected-warning{{The 'retain' message should be sent to instances of class 'RDar7252064' and not the class directly}}
1370   [RDar7252064 autorelease]; // expected-warning{{The 'autorelease' message should be sent to instances of class 'RDar7252064' and not the class directly}}
1371   [NSAutoreleasePool drain]; // expected-warning{{method '+drain' not found}} expected-warning{{The 'drain' message should be sent to instances of class 'NSAutoreleasePool' and not the class directly}}
1372 }
1373
1374 //===----------------------------------------------------------------------===//
1375 // Tests of ownership attributes.
1376 //===----------------------------------------------------------------------===//
1377
1378 typedef NSString* MyStringTy;
1379
1380 @protocol FooP;
1381
1382 @interface TestOwnershipAttr : NSObject
1383 - (NSString*) returnsAnOwnedString  NS_RETURNS_RETAINED; // no-warning
1384 - (NSString*) returnsAnOwnedCFString  CF_RETURNS_RETAINED; // no-warning
1385 - (MyStringTy) returnsAnOwnedTypedString NS_RETURNS_RETAINED; // no-warning
1386 - (NSString*) newString NS_RETURNS_NOT_RETAINED; // no-warning
1387 - (NSString*) newString_auto NS_RETURNS_AUTORELEASED; // no-warning
1388 - (NSString*) newStringNoAttr;
1389 - (int) returnsAnOwnedInt NS_RETURNS_RETAINED; // expected-warning{{'ns_returns_retained' attribute only applies to methods that return an Objective-C object}}
1390 - (id) pseudoInit NS_CONSUMES_SELF NS_RETURNS_RETAINED;
1391 + (void) consume:(id) NS_CONSUMED x;
1392 + (void) consume2:(id) CF_CONSUMED x;
1393 @end
1394
1395 static int ownership_attribute_doesnt_go_here NS_RETURNS_RETAINED; // expected-warning{{'ns_returns_retained' attribute only applies to functions and methods}}
1396
1397 void test_attr_1(TestOwnershipAttr *X) {
1398   NSString *str = [X returnsAnOwnedString]; // expected-warning{{leak}}
1399 }
1400
1401 void test_attr_1b(TestOwnershipAttr *X) {
1402   NSString *str = [X returnsAnOwnedCFString]; // expected-warning{{leak}}
1403 }
1404
1405 void test_attr1c(TestOwnershipAttr *X) {
1406   NSString *str = [X newString]; // no-warning
1407   NSString *str2 = [X newStringNoAttr]; // expected-warning{{leak}}
1408   NSString *str3 = [X newString_auto]; // no-warning
1409   NSString *str4 = [[X newString_auto] retain]; // expected-warning {{leak}}
1410 }
1411
1412 void testattr2_a() {
1413   TestOwnershipAttr *x = [TestOwnershipAttr alloc]; // expected-warning{{leak}}
1414 }
1415
1416 void testattr2_b() {
1417   TestOwnershipAttr *x = [[TestOwnershipAttr alloc] pseudoInit];  // expected-warning{{leak}}
1418 }
1419
1420 void testattr2_b_11358224_self_assign_looses_the_leak() {
1421   TestOwnershipAttr *x = [[TestOwnershipAttr alloc] pseudoInit];// expected-warning{{leak}}
1422   x = x;
1423 }
1424
1425 void testattr2_c() {
1426   TestOwnershipAttr *x = [[TestOwnershipAttr alloc] pseudoInit]; // no-warning
1427   [x release];
1428 }
1429
1430 void testattr3() {
1431   TestOwnershipAttr *x = [TestOwnershipAttr alloc]; // no-warning
1432   [TestOwnershipAttr consume:x];
1433   TestOwnershipAttr *y = [TestOwnershipAttr alloc]; // no-warning
1434   [TestOwnershipAttr consume2:y];
1435 }
1436
1437 void consume_ns(id NS_CONSUMED x);
1438 void consume_cf(id CF_CONSUMED x);
1439
1440 void testattr4() {
1441   TestOwnershipAttr *x = [TestOwnershipAttr alloc]; // no-warning
1442   consume_ns(x);
1443   TestOwnershipAttr *y = [TestOwnershipAttr alloc]; // no-warning
1444   consume_cf(y);
1445 }
1446
1447 @interface TestOwnershipAttr2 : NSObject
1448 - (NSString*) newString NS_RETURNS_NOT_RETAINED; // no-warning
1449 @end
1450
1451 @implementation TestOwnershipAttr2
1452 - (NSString*) newString {
1453   return [NSString alloc]; // expected-warning {{Potential leak of an object}}
1454 }
1455 @end
1456
1457 @interface MyClassTestCFAttr : NSObject {}
1458 - (NSDate*) returnsCFRetained CF_RETURNS_RETAINED;
1459 - (CFDateRef) returnsCFRetainedAsCF CF_RETURNS_RETAINED;
1460 - (CFDateRef) newCFRetainedAsCF CF_RETURNS_NOT_RETAINED;
1461 - (CFDateRef) newCFRetainedAsCFNoAttr CF_RETURNS_RETAINED;
1462 - (NSDate*) alsoReturnsRetained;
1463 - (CFDateRef) alsoReturnsRetainedAsCF CF_RETURNS_NOT_RETAINED;
1464 - (NSDate*) returnsNSRetained NS_RETURNS_RETAINED;
1465 @end
1466
1467 CF_RETURNS_RETAINED
1468 CFDateRef returnsRetainedCFDate()  {
1469   return CFDateCreate(0, CFAbsoluteTimeGetCurrent());
1470 }
1471
1472 @implementation MyClassTestCFAttr
1473 - (NSDate*) returnsCFRetained {
1474   return (NSDate*) returnsRetainedCFDate(); // No leak.
1475 }
1476
1477 - (CFDateRef) returnsCFRetainedAsCF {
1478   return returnsRetainedCFDate(); // No leak.
1479 }
1480
1481 - (CFDateRef) newCFRetainedAsCF {
1482   return (CFDateRef)[(id)[self returnsCFRetainedAsCF] autorelease];
1483 }
1484
1485 - (CFDateRef) newCFRetainedAsCFNoAttr {
1486   return (CFDateRef)[(id)[self returnsCFRetainedAsCF] autorelease]; // expected-warning{{Object with a +0 retain count returned to caller where a +1 (owning) retain count is expected}}
1487 }
1488
1489 - (NSDate*) alsoReturnsRetained {
1490   return (NSDate*) returnsRetainedCFDate(); // expected-warning{{leak}}
1491 }
1492
1493 - (CFDateRef) alsoReturnsRetainedAsCF {
1494   return returnsRetainedCFDate(); // expected-warning{{leak}}
1495 }
1496
1497
1498 - (NSDate*) returnsNSRetained {
1499   return (NSDate*) returnsRetainedCFDate(); // no-warning
1500 }
1501 @end
1502
1503 //===----------------------------------------------------------------------===//
1504 // Test that leaks post-dominated by "panic" functions are not reported.
1505 //
1506 // <rdar://problem/5905851> do not report a leak when post-dominated by a call
1507 // to a noreturn or panic function
1508 //===----------------------------------------------------------------------===//
1509
1510 void panic() __attribute__((noreturn));
1511 void panic_not_in_hardcoded_list() __attribute__((noreturn));
1512
1513 void test_panic_negative() {
1514   signed z = 1;
1515   CFNumberRef value = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &z);  // expected-warning{{leak}}
1516 }
1517
1518 void test_panic_positive() {
1519   signed z = 1;
1520   CFNumberRef value = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &z); // no-warning
1521   panic();
1522 }
1523
1524 void test_panic_neg_2(int x) {
1525   signed z = 1;
1526   CFNumberRef value = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &z); // expected-warning{{leak}}
1527   if (x)
1528     panic();
1529 }
1530
1531 void test_panic_pos_2(int x) {
1532   signed z = 1;
1533   CFNumberRef value = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &z); // no-warning
1534   if (x)
1535     panic();
1536   if (!x) {
1537     // This showed up in <rdar://problem/7796563>, where we silently missed checking
1538     // the function type for noreturn.  "panic()" is a hard-coded known panic function
1539     // that isn't always noreturn.
1540     panic_not_in_hardcoded_list();
1541   }
1542 }
1543
1544 //===----------------------------------------------------------------------===//
1545 // Test uses of blocks (closures)
1546 //===----------------------------------------------------------------------===//
1547
1548 void test_blocks_1_pos(void) {
1549   NSNumber *number = [[NSNumber alloc] initWithInt:5]; // expected-warning{{leak}}
1550   ^{}();
1551 }
1552
1553 void test_blocks_1_indirect_release(void) {
1554   NSNumber *number = [[NSNumber alloc] initWithInt:5]; // no-warning
1555   ^{ [number release]; }();
1556 }
1557
1558 void test_blocks_1_indirect_retain(void) {
1559   // Eventually this should be reported as a leak.
1560   NSNumber *number = [[NSNumber alloc] initWithInt:5]; // no-warning
1561   ^{ [number retain]; }();
1562 }
1563
1564 void test_blocks_1_indirect_release_via_call(void) {
1565   NSNumber *number = [[NSNumber alloc] initWithInt:5]; // no-warning
1566   ^(NSObject *o){ [o release]; }(number);
1567 }
1568
1569 void test_blocks_1_indirect_retain_via_call(void) {
1570   NSNumber *number = [[NSNumber alloc] initWithInt:5]; // expected-warning {{leak}}
1571   ^(NSObject *o){ [o retain]; }(number);
1572 }
1573
1574 //===--------------------------------------------------------------------===//
1575 // Test sending message to super that returns an object alias.  Previously
1576 // this caused a crash in the analyzer.
1577 //===--------------------------------------------------------------------===//
1578
1579 @interface Rdar8015556 : NSObject {} @end
1580 @implementation Rdar8015556
1581 - (id)retain {
1582   return [super retain];
1583 }
1584 @end
1585
1586 // <rdar://problem/8272168> - Correcly handle Class<...> in Cocoa Conventions
1587 // detector.
1588
1589 @protocol Prot_R8272168 @end
1590 Class <Prot_R8272168> GetAClassThatImplementsProt_R8272168();
1591 void r8272168() {
1592   GetAClassThatImplementsProt_R8272168();
1593 }
1594
1595 // Test case for <rdar://problem/8356342>, which in the past triggered
1596 // a false positive.
1597 @interface RDar8356342
1598 - (NSDate*) rdar8356342:(NSDate *)inValue;
1599 @end
1600
1601 @implementation RDar8356342
1602 - (NSDate*) rdar8356342:(NSDate*)inValue {
1603   NSDate *outValue = inValue;
1604   if (outValue == 0)
1605     outValue = [[NSDate alloc] init]; // no-warning
1606
1607   if (outValue != inValue)
1608     [outValue autorelease];
1609
1610   return outValue;
1611 }
1612 @end
1613
1614 // <rdar://problem/8724287> - This test case previously crashed because
1615 // of a bug in BugReporter.
1616 extern const void *CFDictionaryGetValue(CFDictionaryRef theDict, const void *key) CF_RETURNS_NOT_RETAINED;
1617 typedef struct __CFError * CFErrorRef;
1618 extern const CFStringRef kCFErrorUnderlyingErrorKey;
1619 extern CFDictionaryRef CFErrorCopyUserInfo(CFErrorRef err) CF_RETURNS_RETAINED;
1620 static void rdar_8724287(CFErrorRef error)
1621 {
1622     CFErrorRef error_to_dump;
1623
1624     error_to_dump = error;
1625     while (error_to_dump != ((void*)0)) {
1626         CFDictionaryRef info;
1627
1628         info = CFErrorCopyUserInfo(error_to_dump); // expected-warning{{Potential leak of an object}}
1629
1630         if (info != ((void*)0)) {
1631         }
1632
1633         error_to_dump = (CFErrorRef) CFDictionaryGetValue(info, kCFErrorUnderlyingErrorKey);
1634     }
1635 }
1636
1637 // <rdar://problem/9234108> - Make sure the model applies cf_consumed
1638 // correctly in argument positions besides the first.
1639
1640 CF_IMPLICIT_BRIDGING_ENABLED
1641
1642 extern void *CFStringCreate(void);
1643
1644 CF_IMPLICIT_BRIDGING_DISABLED
1645
1646 extern void rdar_9234108_helper(void *key, void * CF_CONSUMED value);
1647 void rdar_9234108() {
1648   rdar_9234108_helper(0, CFStringCreate());
1649 }
1650
1651 // <rdar://problem/9726279> - Make sure that objc_method_family works
1652 // to override naming conventions.
1653 struct TwoDoubles {
1654   double one;
1655   double two;
1656 };
1657 typedef struct TwoDoubles TwoDoubles;
1658
1659 @interface NSValue (Mine)
1660 - (id)_prefix_initWithTwoDoubles:(TwoDoubles)twoDoubles __attribute__((objc_method_family(init)));
1661 @end
1662
1663 @implementation NSValue (Mine)
1664 - (id)_prefix_initWithTwoDoubles:(TwoDoubles)twoDoubles
1665 {
1666   return [self init];
1667 }
1668 @end
1669
1670 void rdar9726279() {
1671   TwoDoubles twoDoubles = { 0.0, 0.0 };
1672   NSValue *value = [[NSValue alloc] _prefix_initWithTwoDoubles:twoDoubles];
1673   [value release];
1674 }
1675
1676 // <rdar://problem/9732321>
1677 // Test camelcase support for CF conventions.  While Core Foundation APIs
1678 // don't use camel casing, other code is allowed to use it.
1679 CFArrayRef camelcase_create_1() {
1680   return CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // no-warning
1681 }
1682
1683 CFArrayRef camelcase_createno() {
1684   return CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // expected-warning {{leak}}
1685 }
1686
1687 CFArrayRef camelcase_copy() {
1688   return CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // no-warning
1689 }
1690
1691 CFArrayRef camelcase_copying() {
1692   return CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // expected-warning {{leak}}
1693 }
1694
1695 CFArrayRef copyCamelCase() {
1696   return CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // no-warning
1697 }
1698
1699 CFArrayRef __copyCamelCase() {
1700   return CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // no-warning
1701 }
1702
1703 CFArrayRef __createCamelCase() {
1704   return CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // no-warning
1705 }
1706
1707 CFArrayRef camel_create() {
1708   return CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // no-warning
1709 }
1710
1711
1712 CFArrayRef camel_creat() {
1713   return CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // expected-warning {{leak}}
1714 }
1715
1716 CFArrayRef camel_copy() {
1717   return CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // no-warning
1718 }
1719
1720 CFArrayRef camel_copyMachine() {
1721   return CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // no-warning
1722 }
1723
1724 CFArrayRef camel_copymachine() {
1725   return CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // expected-warning {{leak}}
1726 }
1727
1728 // rdar://problem/8024350
1729 @protocol F18P
1730 - (id) clone;
1731 @end
1732 @interface F18 : NSObject<F18P> @end
1733 @interface F18(Cat)
1734 - (id) clone NS_RETURNS_RETAINED;
1735 @end
1736
1737 @implementation F18
1738 - (id) clone {
1739   return [F18 alloc];
1740 }
1741 @end
1742
1743 // Radar 6582778.
1744 void rdar6582778(void) {
1745   CFAbsoluteTime t = CFAbsoluteTimeGetCurrent();
1746   CFTypeRef vals[] = { CFDateCreate(0, t) }; // expected-warning {{leak}}
1747 }
1748
1749 CFTypeRef global;
1750
1751 void rdar6582778_2(void) {
1752   CFAbsoluteTime t = CFAbsoluteTimeGetCurrent();
1753   global = CFDateCreate(0, t); // no-warning
1754 }
1755
1756 // <rdar://problem/10232019> - Test that objects passed to containers
1757 // are marked "escaped".
1758
1759 void rdar10232019() {
1760   NSMutableArray *array = [NSMutableArray array];
1761
1762   NSString *string = [[NSString alloc] initWithUTF8String:"foo"];
1763   [array addObject:string];
1764   [string release];
1765
1766   NSString *otherString = [string stringByAppendingString:@"bar"]; // no-warning
1767   NSLog(@"%@", otherString);
1768 }
1769
1770 void rdar10232019_positive() {
1771   NSMutableArray *array = [NSMutableArray array];
1772
1773   NSString *string = [[NSString alloc] initWithUTF8String:"foo"];
1774   [string release];
1775
1776   NSString *otherString = [string stringByAppendingString:@"bar"]; // expected-warning {{Reference-counted object is used after it is release}}
1777   NSLog(@"%@", otherString);
1778 }
1779
1780 // RetainCountChecker support for XPC.
1781 // <rdar://problem/9658496>
1782 typedef void * xpc_object_t;
1783 xpc_object_t _CFXPCCreateXPCObjectFromCFObject(CFTypeRef cf);
1784 void xpc_release(xpc_object_t object);
1785
1786 void rdar9658496() {
1787   CFStringRef cf;
1788   xpc_object_t xpc;
1789   cf = CFStringCreateWithCString( ((CFAllocatorRef)0), "test", kCFStringEncodingUTF8 ); // no-warning
1790   xpc = _CFXPCCreateXPCObjectFromCFObject( cf );
1791   CFRelease(cf);
1792   xpc_release(xpc);
1793 }
1794
1795 // Support annotations with method families.
1796 @interface RDar10824732 : NSObject
1797 - (instancetype)initWithObj:(id CF_CONSUMED)obj;
1798 @end
1799
1800 @implementation RDar10824732
1801 - (instancetype)initWithObj:(id)obj {
1802   [obj release];
1803   return [super init];
1804 }
1805 @end
1806
1807 void rdar_10824732() {
1808   @autoreleasepool {
1809     NSString *obj = @"test";
1810     RDar10824732 *foo = [[RDar10824732 alloc] initWithObj:obj]; // no-warning
1811     [foo release];
1812   }
1813 }
1814
1815 // Stop tracking objects passed to functions, which take callbacks as parameters.
1816 // radar://10973977
1817 typedef int (*CloseCallback) (void *);
1818 void ReaderForIO(CloseCallback ioclose, void *ioctx);
1819 int IOClose(void *context);
1820
1821 @protocol SInS <NSObject>
1822 @end
1823
1824 @interface radar10973977 : NSObject
1825 - (id<SInS>)inputS;
1826 - (void)reader;
1827 @end
1828
1829 @implementation radar10973977
1830 - (void)reader
1831 {
1832     id<SInS> inputS = [[self inputS] retain];
1833     ReaderForIO(IOClose, inputS);
1834 }
1835 - (id<SInS>)inputS
1836 {
1837     return 0;
1838 }
1839 @end
1840
1841 // Object escapes through a selector callback: radar://11398514
1842 extern id NSApp;
1843 @interface MySheetController
1844 - (id<SInS>)inputS;
1845 - (void)showDoSomethingSheetAction:(id)action;
1846 - (void)sheetDidEnd:(NSWindow *)sheet returnCode:(int)returnCode contextInfo:(void *)contextInfo;
1847 @end
1848
1849 @implementation MySheetController
1850 - (id<SInS>)inputS {
1851     return 0;
1852 }
1853 - (void)showDoSomethingSheetAction:(id)action {
1854   id<SInS> inputS = [[self inputS] retain];
1855   [NSApp beginSheet:0
1856          modalForWindow:0
1857          modalDelegate:0
1858          didEndSelector:@selector(sheetDidEnd:returnCode:contextInfo:)
1859          contextInfo:(void *)inputS]; // no - warning
1860 }
1861 - (void)sheetDidEnd:(NSWindow *)sheet returnCode:(int)returnCode contextInfo:(void *)contextInfo {
1862
1863       id contextObject = (id)contextInfo;
1864       [contextObject release];
1865 }
1866
1867 - (id)copyAutoreleaseRadar13081402 {
1868   id x = [[[NSString alloc] initWithUTF8String:"foo"] autorelease];
1869   [x retain];
1870   return x; // no warning
1871 }
1872
1873 @end
1874 //===----------------------------------------------------------------------===//
1875 // Test returning allocated memory in a struct.
1876 //
1877 // We currently don't have a general way to track pointers that "escape".
1878 // Here we test that RetainCountChecker doesn't get excited about returning
1879 // allocated CF objects in struct fields.
1880 //===----------------------------------------------------------------------===//
1881 void *malloc(size_t);
1882 struct rdar11104566 { CFStringRef myStr; };
1883 struct rdar11104566 test_rdar11104566() {
1884   CFStringRef cf = CFStringCreateWithCString( ((CFAllocatorRef)0), "test", kCFStringEncodingUTF8 ); // no-warning
1885   struct rdar11104566 V;
1886   V.myStr = cf;
1887   return V; // no-warning
1888 }
1889
1890 struct rdar11104566 *test_2_rdar11104566() {
1891   CFStringRef cf = CFStringCreateWithCString( ((CFAllocatorRef)0), "test", kCFStringEncodingUTF8 ); // no-warning
1892   struct rdar11104566 *V = (struct rdar11104566 *) malloc(sizeof(*V));
1893   V->myStr = cf;
1894   return V; // no-warning
1895 }
1896
1897 //===----------------------------------------------------------------------===//
1898 // ObjC literals support.
1899 //===----------------------------------------------------------------------===//
1900
1901 void test_objc_arrays() {
1902     { // CASE ONE -- OBJECT IN ARRAY CREATED DIRECTLY
1903         NSObject *o = [[NSObject alloc] init];
1904         NSArray *a = [[NSArray alloc] initWithObjects:o, (void*)0]; // expected-warning {{leak}}
1905         [o release];
1906         [a description];
1907         [o description];
1908     }
1909
1910     { // CASE TWO -- OBJECT IN ARRAY CREATED BY DUPING AUTORELEASED ARRAY
1911         NSObject *o = [[NSObject alloc] init];
1912         NSArray *a1 = [NSArray arrayWithObjects:o, (void*)0];
1913         NSArray *a2 = [[NSArray alloc] initWithArray:a1]; // expected-warning {{leak}}
1914         [o release];
1915         [a2 description];
1916         [o description];
1917     }
1918
1919     { // CASE THREE -- OBJECT IN RETAINED @[]
1920         NSObject *o = [[NSObject alloc] init];
1921         NSArray *a3 = [@[o] retain]; // expected-warning {{leak}}
1922         [o release];
1923         [a3 description];
1924         [o description];
1925     }
1926
1927     { // CASE FOUR -- OBJECT IN ARRAY CREATED BY DUPING @[]
1928         NSObject *o = [[NSObject alloc] init];
1929         NSArray *a = [[NSArray alloc] initWithArray:@[o]]; // expected-warning {{leak}}
1930         [o release];
1931
1932         [a description];
1933         [o description];
1934     }
1935
1936     { // CASE FIVE -- OBJECT IN RETAINED @{}
1937         NSValue *o = [[NSValue alloc] init];
1938         NSDictionary *a = [@{o : o} retain]; // expected-warning {{leak}}
1939         [o release];
1940
1941         [a description];
1942         [o description];
1943     }
1944 }
1945
1946 void test_objc_integer_literals() {
1947   id value = [@1 retain]; // expected-warning {{leak}}
1948   [value description];
1949 }
1950
1951 void test_objc_boxed_expressions(int x, const char *y) {
1952   id value = [@(x) retain]; // expected-warning {{leak}}
1953   [value description];
1954
1955   value = [@(y) retain]; // expected-warning {{leak}}
1956   [value description];
1957 }
1958
1959 // Test NSLog doesn't escape tracked objects.
1960 void rdar11400885(int y)
1961 {
1962   @autoreleasepool {
1963     NSString *printString;
1964     if(y > 2)
1965       printString = [[NSString alloc] init];
1966     else
1967       printString = [[NSString alloc] init];
1968     NSLog(@"Once %@", printString);
1969     [printString release];
1970     NSLog(@"Again: %@", printString); // expected-warning {{Reference-counted object is used after it is released}}
1971   }
1972 }
1973
1974 id makeCollectableNonLeak() {
1975   extern CFTypeRef CFCreateSomething();
1976
1977   CFTypeRef object = CFCreateSomething(); // +1
1978   CFRetain(object); // +2
1979   id objCObject = NSMakeCollectable(object); // +2
1980   [objCObject release]; // +1
1981   return [objCObject autorelease]; // +0
1982 }
1983
1984
1985 void consumeAndStopTracking(id NS_CONSUMED obj, void (^callback)(void));
1986 void CFConsumeAndStopTracking(CFTypeRef CF_CONSUMED obj, void (^callback)(void));
1987
1988 void testConsumeAndStopTracking() {
1989   id retained = [@[] retain]; // +1
1990   consumeAndStopTracking(retained, ^{}); // no-warning
1991
1992   id doubleRetained = [[@[] retain] retain]; // +2
1993   consumeAndStopTracking(doubleRetained, ^{
1994     [doubleRetained release];
1995   }); // no-warning
1996
1997   id unretained = @[]; // +0
1998   consumeAndStopTracking(unretained, ^{}); // expected-warning {{Incorrect decrement of the reference count of an object that is not owned at this point by the caller}}
1999 }
2000
2001 void testCFConsumeAndStopTracking() {
2002   id retained = [@[] retain]; // +1
2003   CFConsumeAndStopTracking((CFTypeRef)retained, ^{}); // no-warning
2004
2005   id doubleRetained = [[@[] retain] retain]; // +2
2006   CFConsumeAndStopTracking((CFTypeRef)doubleRetained, ^{
2007     [doubleRetained release];
2008   }); // no-warning
2009
2010   id unretained = @[]; // +0
2011   CFConsumeAndStopTracking((CFTypeRef)unretained, ^{}); // expected-warning {{Incorrect decrement of the reference count of an object that is not owned at this point by the caller}}
2012 }
2013 //===----------------------------------------------------------------------===//
2014 // Test 'pragma clang arc_cf_code_audited' support.
2015 //===----------------------------------------------------------------------===//
2016
2017 typedef void *MyCFType;
2018 #pragma clang arc_cf_code_audited begin
2019 MyCFType CreateMyCFType();
2020 #pragma clang arc_cf_code_audited end
2021
2022 void test_custom_cf() {
2023   MyCFType x = CreateMyCFType(); // expected-warning {{leak of an object stored into 'x'}}
2024 }
2025
2026 //===----------------------------------------------------------------------===//
2027 // Test calling CFPlugInInstanceCreate, which appears in CF but doesn't
2028 // return a CF object.
2029 //===----------------------------------------------------------------------===//
2030
2031 void test_CFPlugInInstanceCreate(CFUUIDRef factoryUUID, CFUUIDRef typeUUID) {
2032   CFPlugInInstanceCreate(kCFAllocatorDefault, factoryUUID, typeUUID); // no-warning
2033 }
2034
2035 //===----------------------------------------------------------------------===//
2036 // PR14927: -drain only has retain-count semantics on NSAutoreleasePool.
2037 //===----------------------------------------------------------------------===//
2038
2039 @interface PR14927 : NSObject
2040 - (void)drain;
2041 @end
2042
2043 void test_drain() {
2044   PR14927 *obj = [[PR14927 alloc] init];
2045   [obj drain];
2046   [obj release]; // no-warning
2047 }
2048
2049 //===----------------------------------------------------------------------===//
2050 // Allow cf_returns_retained and cf_returns_not_retained to mark a return
2051 // value as tracked, even if the object isn't a known CF type.
2052 //===----------------------------------------------------------------------===//
2053
2054 MyCFType getCustom() __attribute__((cf_returns_not_retained));
2055 MyCFType makeCustom() __attribute__((cf_returns_retained));
2056
2057 void testCustomReturnsRetained() {
2058   MyCFType obj = makeCustom(); // expected-warning {{leak of an object stored into 'obj'}}
2059 }
2060
2061 void testCustomReturnsNotRetained() {
2062   CFRelease(getCustom()); // expected-warning {{Incorrect decrement of the reference count of an object that is not owned at this point by the caller}}
2063 }
2064
2065 //===----------------------------------------------------------------------===//
2066 // Don't print variables which are out of the current scope.
2067 //===----------------------------------------------------------------------===//
2068 @interface MyObj12706177 : NSObject
2069 -(instancetype)initX;
2070 +(void)test12706177;
2071 @end
2072 static int Cond;
2073 @implementation MyObj12706177
2074 -(instancetype)initX {
2075   if (Cond)
2076     return 0;
2077   self = [super init];
2078   return self;
2079 }
2080 +(void)test12706177 {
2081   id x = [[MyObj12706177 alloc] initX]; //expected-warning {{Potential leak of an object}}
2082   [x release];
2083 }
2084 @end
2085
2086 //===----------------------------------------------------------------------===//
2087 // <rdar://problem/13783514> xpc_connection_set_finalizer_f
2088 //===----------------------------------------------------------------------===//
2089
2090 typedef xpc_object_t xpc_connection_t;
2091 typedef void (*xpc_finalizer_t)(void *value);
2092 void xpc_connection_set_context(xpc_connection_t connection, void *ctx);
2093 void xpc_connection_set_finalizer_f(xpc_connection_t connection,
2094                                     xpc_finalizer_t finalizer);
2095 void releaseAfterXPC(void *context) {
2096   [(NSArray *)context release];
2097 }
2098
2099 void rdar13783514(xpc_connection_t connection) {
2100   xpc_connection_set_context(connection, [[NSMutableArray alloc] init]);
2101   xpc_connection_set_finalizer_f(connection, releaseAfterXPC);
2102 } // no-warning
2103
2104 CFAttributedStringRef CFAttributedCreate(void *CFObj CF_CONSUMED) CF_RETURNS_RETAINED;
2105
2106 @interface Action
2107 @property (nonatomic) SEL action;
2108 @property (nonatomic, assign) id target;
2109 @end