Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 1 | // RUN: rm -rf %t |
Fariborz Jahanian | b8941a1 | 2013-10-02 22:49:59 +0000 | [diff] [blame] | 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 |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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 | |
Fariborz Jahanian | a46c6c3 | 2013-08-20 18:54:39 +0000 | [diff] [blame] | 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 | |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 22 | #if __has_feature(attribute_ns_returns_retained) |
Fariborz Jahanian | 8836e36 | 2013-08-15 22:26:10 +0000 | [diff] [blame] | 23 | #define NS_RETURNS_RETAINED __attribute__((ns_returns_retained)) |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 24 | #endif |
| 25 | #if __has_feature(attribute_cf_returns_retained) |
Fariborz Jahanian | 8836e36 | 2013-08-15 22:26:10 +0000 | [diff] [blame] | 26 | #define CF_RETURNS_RETAINED __attribute__((cf_returns_retained)) |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 27 | #endif |
| 28 | #if __has_feature(attribute_ns_returns_not_retained) |
Fariborz Jahanian | 8836e36 | 2013-08-15 22:26:10 +0000 | [diff] [blame] | 29 | #define NS_RETURNS_NOT_RETAINED __attribute__((ns_returns_not_retained)) |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 30 | #endif |
| 31 | #if __has_feature(attribute_cf_returns_not_retained) |
Fariborz Jahanian | 8836e36 | 2013-08-15 22:26:10 +0000 | [diff] [blame] | 32 | #define CF_RETURNS_NOT_RETAINED __attribute__((cf_returns_not_retained)) |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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); |
Fariborz Jahanian | a46c6c3 | 2013-08-20 18:54:39 +0000 | [diff] [blame] | 82 | |
| 83 | CF_IMPLICIT_BRIDGING_ENABLED |
| 84 | |
Fariborz Jahanian | a7f6a94 | 2013-08-27 22:42:30 +0000 | [diff] [blame] | 85 | extern void CFRelease(CFTypeRef cf); |
Fariborz Jahanian | a46c6c3 | 2013-08-20 18:54:39 +0000 | [diff] [blame] | 86 | |
| 87 | CF_IMPLICIT_BRIDGING_DISABLED |
| 88 | |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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; |
Fariborz Jahanian | a346eb1 | 2013-09-18 20:35:47 +0000 | [diff] [blame] | 147 | - (instancetype)init; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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> {} |
Fariborz Jahanian | c0d1b6a | 2013-08-28 20:49:58 +0000 | [diff] [blame] | 157 | + (id)allocWithZone:(NSZone *)zone; |
| 158 | + (id)alloc; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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; |
Fariborz Jahanian | a346eb1 | 2013-09-18 20:35:47 +0000 | [diff] [blame] | 177 | - (instancetype)initWithInt:(int)value; |
Fariborz Jahanian | bdb5468 | 2013-09-11 22:46:09 +0000 | [diff] [blame] | 178 | + (NSNumber *)numberWithInt:(int)value; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 179 | @end |
| 180 | @class NSString; |
| 181 | @interface NSArray : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration> |
| 182 | - (NSUInteger)count; |
Fariborz Jahanian | a346eb1 | 2013-09-18 20:35:47 +0000 | [diff] [blame] | 183 | - (instancetype)initWithObjects:(const id [])objects count:(NSUInteger)cnt; |
Fariborz Jahanian | bdb5468 | 2013-09-11 22:46:09 +0000 | [diff] [blame] | 184 | + (instancetype)arrayWithObject:(id)anObject; |
| 185 | + (instancetype)arrayWithObjects:(const id [])objects count:(NSUInteger)cnt; |
| 186 | + (instancetype)arrayWithObjects:(id)firstObj, ... __attribute__((sentinel(0,1))); |
Fariborz Jahanian | a346eb1 | 2013-09-18 20:35:47 +0000 | [diff] [blame] | 187 | - (instancetype)initWithObjects:(id)firstObj, ... __attribute__((sentinel(0,1))); |
| 188 | - (instancetype)initWithArray:(NSArray *)array; |
Fariborz Jahanian | 3c6e5ce | 2013-08-28 21:23:00 +0000 | [diff] [blame] | 189 | @end @interface NSArray (NSArrayCreation) + (instancetype)array; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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; |
Fariborz Jahanian | bdb5468 | 2013-09-11 22:46:09 +0000 | [diff] [blame] | 199 | - (NSString *)stringByAppendingString:(NSString *)aString; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 200 | - ( const char *)UTF8String; |
Fariborz Jahanian | a346eb1 | 2013-09-18 20:35:47 +0000 | [diff] [blame] | 201 | - (instancetype)initWithUTF8String:(const char *)nullTerminatedCString; |
Fariborz Jahanian | bdb5468 | 2013-09-11 22:46:09 +0000 | [diff] [blame] | 202 | + (instancetype)stringWithUTF8String:(const char *)nullTerminatedCString; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 203 | @end @class NSString, NSURL, NSError; |
| 204 | @interface NSData : NSObject <NSCopying, NSMutableCopying, NSCoding> - (NSUInteger)length; |
Fariborz Jahanian | bdb5468 | 2013-09-11 22:46:09 +0000 | [diff] [blame] | 205 | + (instancetype)dataWithBytesNoCopy:(void *)bytes length:(NSUInteger)length; |
| 206 | + (instancetype)dataWithBytesNoCopy:(void *)bytes length:(NSUInteger)length freeWhenDone:(BOOL)b; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 207 | @end @class NSLocale, NSDate, NSCalendar, NSTimeZone, NSError, NSArray, NSMutableDictionary; |
| 208 | @interface NSDictionary : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration> |
| 209 | - (NSUInteger)count; |
Fariborz Jahanian | bdb5468 | 2013-09-11 22:46:09 +0000 | [diff] [blame] | 210 | + (instancetype)dictionaryWithObjects:(NSArray *)objects forKeys:(NSArray *)keys; |
| 211 | + (instancetype)dictionaryWithObjects:(const id [])objects forKeys:(const id <NSCopying> [])keys count:(NSUInteger)cnt; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 212 | @end |
| 213 | @interface NSMutableDictionary : NSDictionary - (void)removeObjectForKey:(id)aKey; |
| 214 | - (void)setObject:(id)anObject forKey:(id)aKey; |
Fariborz Jahanian | 3c6e5ce | 2013-08-28 21:23:00 +0000 | [diff] [blame] | 215 | @end @interface NSMutableDictionary (NSMutableDictionaryCreation) + (instancetype)dictionaryWithCapacity:(NSUInteger)numItems; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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 ); |
Fariborz Jahanian | a46c6c3 | 2013-08-20 18:54:39 +0000 | [diff] [blame] | 229 | |
| 230 | CF_IMPLICIT_BRIDGING_ENABLED |
| 231 | |
Fariborz Jahanian | a7f6a94 | 2013-08-27 22:42:30 +0000 | [diff] [blame] | 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 ); |
Fariborz Jahanian | a46c6c3 | 2013-08-20 18:54:39 +0000 | [diff] [blame] | 234 | |
| 235 | CF_IMPLICIT_BRIDGING_DISABLED |
Fariborz Jahanian | 641645f | 2013-09-17 21:56:04 +0000 | [diff] [blame] | 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}} |
Fariborz Jahanian | a178593 | 2013-08-21 19:37:47 +0000 | [diff] [blame] | 238 | kern_return_t IOServiceAddMatchingNotification( IONotificationPortRef notifyPort, const io_name_t notificationType, CFDictionaryRef CF_CONSUMED matching, IOServiceMatchingCallback callback, void * refCon, io_iterator_t * notification ); |
Fariborz Jahanian | a46c6c3 | 2013-08-20 18:54:39 +0000 | [diff] [blame] | 239 | |
| 240 | CF_IMPLICIT_BRIDGING_ENABLED |
| 241 | |
Fariborz Jahanian | a7f6a94 | 2013-08-27 22:42:30 +0000 | [diff] [blame] | 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 ); |
Fariborz Jahanian | a46c6c3 | 2013-08-20 18:54:39 +0000 | [diff] [blame] | 247 | |
| 248 | CF_IMPLICIT_BRIDGING_DISABLED |
| 249 | |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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; |
Fariborz Jahanian | a346eb1 | 2013-09-18 20:35:47 +0000 | [diff] [blame] | 257 | @interface NSTask : NSObject - (instancetype)init; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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 | } |
Fariborz Jahanian | d173d78 | 2013-08-22 18:35:27 +0000 | [diff] [blame] | 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; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 298 | @end extern NSString* const QCRendererEventKey; |
| 299 | @protocol QCCompositionRenderer - (NSDictionary*) attributes; |
| 300 | @end @interface QCRenderer : NSObject <QCCompositionRenderer> { |
| 301 | } |
| 302 | - (id) createSnapshotImageOfType:(NSString*)type; |
| 303 | @end extern NSString* const QCViewDidStartRenderingNotification; |
| 304 | @interface QCView : NSView <QCCompositionRenderer> { |
| 305 | } |
| 306 | - (id) createSnapshotImageOfType:(NSString*)type; |
| 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); |
Fariborz Jahanian | a46c6c3 | 2013-08-20 18:54:39 +0000 | [diff] [blame] | 332 | |
| 333 | CF_IMPLICIT_BRIDGING_ENABLED |
| 334 | |
Fariborz Jahanian | a7f6a94 | 2013-08-27 22:42:30 +0000 | [diff] [blame] | 335 | extern void CGGradientRelease(CGGradientRef gradient); |
Fariborz Jahanian | a46c6c3 | 2013-08-20 18:54:39 +0000 | [diff] [blame] | 336 | |
| 337 | CF_IMPLICIT_BRIDGING_DISABLED |
| 338 | |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 339 | typedef struct CGContext *CGContextRef; |
| 340 | extern void CGContextDrawLinearGradient(CGContextRef context, |
| 341 | CGGradientRef gradient, CGPoint startPoint, CGPoint endPoint, |
| 342 | CGGradientDrawingOptions options); |
Fariborz Jahanian | a46c6c3 | 2013-08-20 18:54:39 +0000 | [diff] [blame] | 343 | |
| 344 | CF_IMPLICIT_BRIDGING_ENABLED |
| 345 | |
Fariborz Jahanian | a7f6a94 | 2013-08-27 22:42:30 +0000 | [diff] [blame] | 346 | extern CGColorSpaceRef CGColorSpaceCreateDeviceRGB(void); |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 347 | |
Fariborz Jahanian | a46c6c3 | 2013-08-20 18:54:39 +0000 | [diff] [blame] | 348 | CF_IMPLICIT_BRIDGING_DISABLED |
| 349 | |
| 350 | |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 351 | @interface NSMutableArray : NSObject |
| 352 | - (void)addObject:(id)object; |
Fariborz Jahanian | bdb5468 | 2013-09-11 22:46:09 +0000 | [diff] [blame] | 353 | + (instancetype)array; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 393 | // Test to see if we suppress an error when we store the pointer |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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. |
Fariborz Jahanian | a46c6c3 | 2013-08-20 18:54:39 +0000 | [diff] [blame] | 444 | |
| 445 | CF_IMPLICIT_BRIDGING_ENABLED |
| 446 | |
Fariborz Jahanian | a7f6a94 | 2013-08-27 22:42:30 +0000 | [diff] [blame] | 447 | CFDateRef MyDateCreate(); |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 448 | |
Fariborz Jahanian | a46c6c3 | 2013-08-20 18:54:39 +0000 | [diff] [blame] | 449 | CF_IMPLICIT_BRIDGING_DISABLED |
| 450 | |
| 451 | |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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(); |
Fariborz Jahanian | a46c6c3 | 2013-08-20 18:54:39 +0000 | [diff] [blame] | 518 | |
| 519 | CF_IMPLICIT_BRIDGING_ENABLED |
| 520 | |
Fariborz Jahanian | a7f6a94 | 2013-08-27 22:42:30 +0000 | [diff] [blame] | 521 | CFTypeRef MyCreateFun(); |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 522 | |
Fariborz Jahanian | a46c6c3 | 2013-08-20 18:54:39 +0000 | [diff] [blame] | 523 | CF_IMPLICIT_BRIDGING_DISABLED |
| 524 | |
| 525 | |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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 | |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame^] | 573 | // Test when we pass NULL to CFRetain/CFRelease/CFMakeCollectable/CFAutorelease. |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 574 | void f16(int x, CFTypeRef p) { |
| 575 | if (p) |
| 576 | return; |
| 577 | |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame^] | 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; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 593 | } |
| 594 | } |
| 595 | |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame^] | 596 | // Test that an object is non-null after CFRetain/CFRelease/CFMakeCollectable/CFAutorelease. |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 597 | void f17(int x, CFTypeRef p) { |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame^] | 598 | switch (x) { |
| 599 | case 0: |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 600 | CFRelease(p); |
| 601 | if (!p) |
| 602 | CFRelease(0); // no-warning |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame^] | 603 | break; |
| 604 | case 1: |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 605 | CFRetain(p); |
| 606 | if (!p) |
| 607 | CFRetain(0); // no-warning |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame^] | 608 | break; |
| 609 | case 2: |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 610 | CFMakeCollectable(p); |
| 611 | if (!p) |
| 612 | CFMakeCollectable(0); // no-warning |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame^] | 613 | break; |
| 614 | case 3: |
| 615 | CFAutorelease(p); |
| 616 | if (!p) |
| 617 | CFAutorelease(0); // no-warning |
| 618 | break; |
| 619 | default: |
| 620 | break; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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 |
Fariborz Jahanian | c0d1b6a | 2013-08-28 20:49:58 +0000 | [diff] [blame] | 696 | + (id)allocWithZone:(NSZone *)inZone { |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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 {} |
Fariborz Jahanian | 5f7ac67 | 2013-09-04 00:10:06 +0000 | [diff] [blame] | 838 | - (CFTypeRef)_copyCFTypeRef CF_RETURNS_RETAINED; |
| 839 | - (OtherRef)_copyOtherRef CF_RETURNS_RETAINED; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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 | } |
Fariborz Jahanian | a346eb1 | 2013-09-18 20:35:47 +0000 | [diff] [blame] | 859 | - (instancetype)initReturningNewClass; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 860 | - (id)_initReturningNewClassBad; |
Fariborz Jahanian | a346eb1 | 2013-09-18 20:35:47 +0000 | [diff] [blame] | 861 | - (instancetype)initReturningNewClassBad2; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 862 | @end |
| 863 | |
| 864 | @interface RDar6320065Subclass : RDar6320065 |
| 865 | @end |
| 866 | |
| 867 | @implementation RDar6320065 |
Fariborz Jahanian | a346eb1 | 2013-09-18 20:35:47 +0000 | [diff] [blame] | 868 | - (instancetype)initReturningNewClass { |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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 | } |
Fariborz Jahanian | a346eb1 | 2013-09-18 20:35:47 +0000 | [diff] [blame] | 878 | - (instancetype)initReturningNewClassBad2 { |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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 {} |
Fariborz Jahanian | bdb5468 | 2013-09-11 22:46:09 +0000 | [diff] [blame] | 914 | - (NSString*) NoCopyString; |
| 915 | - (NSString*) noCopyString; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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 | |
Fariborz Jahanian | 8836e36 | 2013-08-15 22:26:10 +0000 | [diff] [blame] | 1021 | CF_RETURNS_RETAINED CFDictionaryRef CreateDict(); |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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 |
Fariborz Jahanian | bdb5468 | 2013-09-11 22:46:09 +0000 | [diff] [blame] | 1351 | + (NSCursor *)dragCopyCursor; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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 |
Fariborz Jahanian | 7fd8fb3 | 2013-09-05 23:04:33 +0000 | [diff] [blame] | 1387 | - (NSString*) newString_auto NS_RETURNS_AUTORELEASED; // no-warning |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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; |
Fariborz Jahanian | 5f7ac67 | 2013-09-04 00:10:06 +0000 | [diff] [blame] | 1461 | - (CFDateRef) newCFRetainedAsCFNoAttr CF_RETURNS_RETAINED; |
Fariborz Jahanian | bdb5468 | 2013-09-11 22:46:09 +0000 | [diff] [blame] | 1462 | - (NSDate*) alsoReturnsRetained; |
Fariborz Jahanian | 5f7ac67 | 2013-09-04 00:10:06 +0000 | [diff] [blame] | 1463 | - (CFDateRef) alsoReturnsRetainedAsCF CF_RETURNS_NOT_RETAINED; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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 |
Fariborz Jahanian | c0d1b6a | 2013-08-28 20:49:58 +0000 | [diff] [blame] | 1581 | - (id)retain { |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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 |
Fariborz Jahanian | bdb5468 | 2013-09-11 22:46:09 +0000 | [diff] [blame] | 1598 | - (NSDate*) rdar8356342:(NSDate *)inValue; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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. |
Fariborz Jahanian | a46c6c3 | 2013-08-20 18:54:39 +0000 | [diff] [blame] | 1639 | |
| 1640 | CF_IMPLICIT_BRIDGING_ENABLED |
| 1641 | |
Fariborz Jahanian | a7f6a94 | 2013-08-27 22:42:30 +0000 | [diff] [blame] | 1642 | extern void *CFStringCreate(void); |
Fariborz Jahanian | a46c6c3 | 2013-08-20 18:54:39 +0000 | [diff] [blame] | 1643 | |
| 1644 | CF_IMPLICIT_BRIDGING_DISABLED |
| 1645 | |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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 |
Fariborz Jahanian | a346eb1 | 2013-09-18 20:35:47 +0000 | [diff] [blame] | 1797 | - (instancetype)initWithObj:(id CF_CONSUMED)obj; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 1798 | @end |
| 1799 | |
| 1800 | @implementation RDar10824732 |
Fariborz Jahanian | a346eb1 | 2013-09-18 20:35:47 +0000 | [diff] [blame] | 1801 | - (instancetype)initWithObj:(id)obj { |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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 |
Fariborz Jahanian | bdb5468 | 2013-09-11 22:46:09 +0000 | [diff] [blame] | 1825 | - (id<SInS>)inputS; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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 |
Fariborz Jahanian | bdb5468 | 2013-09-11 22:46:09 +0000 | [diff] [blame] | 1844 | - (id<SInS>)inputS; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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 |
Fariborz Jahanian | a346eb1 | 2013-09-18 20:35:47 +0000 | [diff] [blame] | 2069 | -(instancetype)initX; |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 2070 | +(void)test12706177; |
| 2071 | @end |
| 2072 | static int Cond; |
| 2073 | @implementation MyObj12706177 |
Fariborz Jahanian | a346eb1 | 2013-09-18 20:35:47 +0000 | [diff] [blame] | 2074 | -(instancetype)initX { |
Fariborz Jahanian | 269cca1 | 2013-08-15 21:44:38 +0000 | [diff] [blame] | 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 |
Fariborz Jahanian | a46c6c3 | 2013-08-20 18:54:39 +0000 | [diff] [blame] | 2103 | |
Fariborz Jahanian | dead50d | 2013-08-20 22:42:13 +0000 | [diff] [blame] | 2104 | CFAttributedStringRef CFAttributedCreate(void *CFObj CF_CONSUMED) CF_RETURNS_RETAINED; |
Fariborz Jahanian | a46c6c3 | 2013-08-20 18:54:39 +0000 | [diff] [blame] | 2105 | |
Fariborz Jahanian | b78b664 | 2013-08-22 22:27:36 +0000 | [diff] [blame] | 2106 | @interface Action |
Fariborz Jahanian | bffd89b | 2013-09-24 21:27:58 +0000 | [diff] [blame] | 2107 | @property (nonatomic) SEL action; |
Fariborz Jahanian | 803ccc9 | 2013-10-16 18:52:17 +0000 | [diff] [blame] | 2108 | @property (nonatomic, assign) id target; |
Fariborz Jahanian | b78b664 | 2013-08-22 22:27:36 +0000 | [diff] [blame] | 2109 | @end |