463 lines
20 KiB
Text
463 lines
20 KiB
Text
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-checker=core,osx.coreFoundation.CFRetainRelease,osx.cocoa.ClassRelease,osx.cocoa.RetainCount -analyzer-store=region -fblocks -verify %s
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#if __has_feature(attribute_ns_returns_retained)
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#define NS_RETURNS_RETAINED __attribute__((ns_returns_retained))
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#endif
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#if __has_feature(attribute_cf_returns_retained)
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#define CF_RETURNS_RETAINED __attribute__((cf_returns_retained))
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#endif
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#if __has_feature(attribute_ns_returns_not_retained)
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#define NS_RETURNS_NOT_RETAINED __attribute__((ns_returns_not_retained))
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#endif
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#if __has_feature(attribute_cf_returns_not_retained)
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#define CF_RETURNS_NOT_RETAINED __attribute__((cf_returns_not_retained))
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#endif
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#if __has_feature(attribute_ns_consumes_self)
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#define NS_CONSUMES_SELF __attribute__((ns_consumes_self))
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#endif
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#if __has_feature(attribute_ns_consumed)
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#define NS_CONSUMED __attribute__((ns_consumed))
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#endif
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#if __has_feature(attribute_cf_consumed)
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#define CF_CONSUMED __attribute__((cf_consumed))
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#endif
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//===----------------------------------------------------------------------===//
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// The following code is reduced using delta-debugging from Mac OS X headers:
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//
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// #include <Cocoa/Cocoa.h>
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// #include <CoreFoundation/CoreFoundation.h>
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// #include <DiskArbitration/DiskArbitration.h>
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// #include <QuartzCore/QuartzCore.h>
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// #include <Quartz/Quartz.h>
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// #include <IOKit/IOKitLib.h>
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//
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// It includes the basic definitions for the test cases below.
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//===----------------------------------------------------------------------===//
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typedef unsigned int __darwin_natural_t;
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typedef unsigned long uintptr_t;
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typedef unsigned int uint32_t;
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typedef unsigned long long uint64_t;
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typedef unsigned int UInt32;
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typedef signed long CFIndex;
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typedef struct {
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CFIndex location;
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CFIndex length;
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} CFRange;
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static __inline__ __attribute__((always_inline)) CFRange CFRangeMake(CFIndex loc, CFIndex len) {
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CFRange range;
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range.location = loc;
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range.length = len;
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return range;
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}
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typedef const void * CFTypeRef;
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typedef const struct __CFString * CFStringRef;
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typedef const struct __CFAllocator * CFAllocatorRef;
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extern const CFAllocatorRef kCFAllocatorDefault;
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extern CFTypeRef CFRetain(CFTypeRef cf);
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extern void CFRelease(CFTypeRef cf);
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typedef struct {
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}
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CFArrayCallBacks;
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extern const CFArrayCallBacks kCFTypeArrayCallBacks;
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typedef const struct __CFArray * CFArrayRef;
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typedef struct __CFArray * CFMutableArrayRef;
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extern CFMutableArrayRef CFArrayCreateMutable(CFAllocatorRef allocator, CFIndex capacity, const CFArrayCallBacks *callBacks);
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void abort(void) __attribute__((noreturn));
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CFArrayRef CFArrayCreate(CFAllocatorRef allocator, const void **values, CFIndex numValues, const CFArrayCallBacks *callBacks);
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extern const void *CFArrayGetValueAtIndex(CFArrayRef theArray, CFIndex idx);
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extern void CFArrayAppendValue(CFMutableArrayRef theArray, const void *value);
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typedef struct {
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}
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CFDictionaryKeyCallBacks;
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extern const CFDictionaryKeyCallBacks kCFTypeDictionaryKeyCallBacks;
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typedef struct {
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}
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CFDictionaryValueCallBacks;
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extern const CFDictionaryValueCallBacks kCFTypeDictionaryValueCallBacks;
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typedef const struct __CFDictionary * CFDictionaryRef;
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typedef struct __CFDictionary * CFMutableDictionaryRef;
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extern CFMutableDictionaryRef CFDictionaryCreateMutable(CFAllocatorRef allocator, CFIndex capacity, const CFDictionaryKeyCallBacks *keyCallBacks, const CFDictionaryValueCallBacks *valueCallBacks);
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typedef UInt32 CFStringEncoding;
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enum {
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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 };
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extern CFStringRef CFStringCreateWithCString(CFAllocatorRef alloc, const char *cStr, CFStringEncoding encoding);
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extern CFStringRef CFStringCreateCopy(CFAllocatorRef alloc, CFStringRef theString);
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typedef double CFTimeInterval;
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typedef CFTimeInterval CFAbsoluteTime;
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extern CFAbsoluteTime CFAbsoluteTimeGetCurrent(void);
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typedef const struct __CFDate * CFDateRef;
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extern CFDateRef CFDateCreate(CFAllocatorRef allocator, CFAbsoluteTime at);
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extern CFAbsoluteTime CFDateGetAbsoluteTime(CFDateRef theDate);
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typedef __darwin_natural_t natural_t;
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typedef natural_t mach_port_name_t;
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typedef mach_port_name_t mach_port_t;
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typedef int kern_return_t;
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typedef kern_return_t mach_error_t;
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enum {
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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 };
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typedef CFIndex CFNumberType;
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typedef const struct __CFNumber * CFNumberRef;
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extern CFNumberRef CFNumberCreate(CFAllocatorRef allocator, CFNumberType theType, const void *valuePtr);
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typedef const struct __CFAttributedString *CFAttributedStringRef;
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typedef struct __CFAttributedString *CFMutableAttributedStringRef;
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extern CFAttributedStringRef CFAttributedStringCreate(CFAllocatorRef alloc, CFStringRef str, CFDictionaryRef attributes) ;
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extern CFMutableAttributedStringRef CFAttributedStringCreateMutableCopy(CFAllocatorRef alloc, CFIndex maxLength, CFAttributedStringRef aStr) ;
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extern void CFAttributedStringSetAttribute(CFMutableAttributedStringRef aStr, CFRange range, CFStringRef attrName, CFTypeRef value) ;
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typedef signed char BOOL;
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typedef unsigned long NSUInteger;
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@class NSString, Protocol;
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extern void NSLog(NSString *format, ...) __attribute__((format(__NSString__, 1, 2)));
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typedef struct _NSZone NSZone;
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@class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator;
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@protocol NSObject
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- (BOOL)isEqual:(id)object;
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- (id)retain;
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- (id)copy;
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- (oneway void)release;
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- (id)autorelease;
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@end @protocol NSCopying - (id)copyWithZone:(NSZone *)zone;
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@end @protocol NSMutableCopying - (id)mutableCopyWithZone:(NSZone *)zone;
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@end @protocol NSCoding - (void)encodeWithCoder:(NSCoder *)aCoder;
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@end
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@interface NSObject <NSObject> {}
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+ (id)allocWithZone:(NSZone *)zone;
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+ (id)alloc;
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- (void)dealloc;
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- (id)init;
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@end
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@interface NSObject (NSCoderMethods)
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- (id)awakeAfterUsingCoder:(NSCoder *)aDecoder;
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@end
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extern id NSAllocateObject(Class aClass, NSUInteger extraBytes, NSZone *zone);
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typedef struct {
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}
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NSFastEnumerationState;
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@protocol NSFastEnumeration - (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(NSUInteger)len;
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@end @class NSString, NSDictionary;
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@interface NSValue : NSObject <NSCopying, NSCoding> - (void)getValue:(void *)value;
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@end @interface NSNumber : NSValue - (char)charValue;
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- (id)initWithInt:(int)value;
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@end @class NSString;
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@interface NSArray : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration> - (NSUInteger)count;
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@end @interface NSArray (NSArrayCreation) + (id)array;
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@end @interface NSAutoreleasePool : NSObject {
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}
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- (void)drain;
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@end extern NSString * const NSBundleDidLoadNotification;
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typedef double NSTimeInterval;
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@interface NSDate : NSObject <NSCopying, NSCoding> - (NSTimeInterval)timeIntervalSinceReferenceDate;
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@end typedef unsigned short unichar;
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@interface NSString : NSObject <NSCopying, NSMutableCopying, NSCoding> - (NSUInteger)length;
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- ( const char *)UTF8String;
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- (id)initWithUTF8String:(const char *)nullTerminatedCString;
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+ (id)stringWithUTF8String:(const char *)nullTerminatedCString;
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@end @class NSString, NSURL, NSError;
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@interface NSData : NSObject <NSCopying, NSMutableCopying, NSCoding> - (NSUInteger)length;
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+ (id)dataWithBytesNoCopy:(void *)bytes length:(NSUInteger)length;
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+ (id)dataWithBytesNoCopy:(void *)bytes length:(NSUInteger)length freeWhenDone:(BOOL)b;
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@end @class NSLocale, NSDate, NSCalendar, NSTimeZone, NSError, NSArray, NSMutableDictionary;
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@interface NSDictionary : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration> - (NSUInteger)count;
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@end @interface NSMutableDictionary : NSDictionary - (void)removeObjectForKey:(id)aKey;
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- (void)setObject:(id)anObject forKey:(id)aKey;
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@end @interface NSMutableDictionary (NSMutableDictionaryCreation) + (id)dictionaryWithCapacity:(NSUInteger)numItems;
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@end typedef double CGFloat;
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struct CGSize {
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};
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typedef struct CGSize CGSize;
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struct CGRect {
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};
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typedef struct CGRect CGRect;
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typedef mach_port_t io_object_t;
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typedef char io_name_t[128];
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typedef io_object_t io_iterator_t;
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typedef io_object_t io_service_t;
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typedef struct IONotificationPort * IONotificationPortRef;
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typedef void (*IOServiceMatchingCallback)( void * refcon, io_iterator_t iterator );
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io_service_t IOServiceGetMatchingService( mach_port_t masterPort, CFDictionaryRef matching );
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kern_return_t IOServiceGetMatchingServices( mach_port_t masterPort, CFDictionaryRef matching, io_iterator_t * existing );
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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));
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kern_return_t IOServiceAddMatchingNotification( IONotificationPortRef notifyPort, const io_name_t notificationType, CFDictionaryRef matching, IOServiceMatchingCallback callback, void * refCon, io_iterator_t * notification );
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CFMutableDictionaryRef IOServiceMatching( const char * name );
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CFMutableDictionaryRef IOServiceNameMatching( const char * name );
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CFMutableDictionaryRef IOBSDNameMatching( mach_port_t masterPort, uint32_t options, const char * bsdName );
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CFMutableDictionaryRef IOOpenFirmwarePathMatching( mach_port_t masterPort, uint32_t options, const char * path );
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CFMutableDictionaryRef IORegistryEntryIDMatching( uint64_t entryID );
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typedef struct __DASession * DASessionRef;
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extern DASessionRef DASessionCreate( CFAllocatorRef allocator );
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typedef struct __DADisk * DADiskRef;
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extern DADiskRef DADiskCreateFromBSDName( CFAllocatorRef allocator, DASessionRef session, const char * name );
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extern DADiskRef DADiskCreateFromIOMedia( CFAllocatorRef allocator, DASessionRef session, io_service_t media );
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extern CFDictionaryRef DADiskCopyDescription( DADiskRef disk );
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extern DADiskRef DADiskCopyWholeDisk( DADiskRef disk );
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@interface NSTask : NSObject - (id)init;
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@end typedef struct CGColorSpace *CGColorSpaceRef;
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typedef struct CGImage *CGImageRef;
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typedef struct CGLayer *CGLayerRef;
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@interface NSResponder : NSObject <NSCoding> {
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}
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@end @protocol NSAnimatablePropertyContainer - (id)animator;
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@end extern NSString *NSAnimationTriggerOrderIn ;
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@interface NSView : NSResponder <NSAnimatablePropertyContainer> {
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}
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@end @protocol NSValidatedUserInterfaceItem - (SEL)action;
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@end @protocol NSUserInterfaceValidations - (BOOL)validateUserInterfaceItem:(id <NSValidatedUserInterfaceItem>)anItem;
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@end @class NSDate, NSDictionary, NSError, NSException, NSNotification;
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@interface NSApplication : NSResponder <NSUserInterfaceValidations> {
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}
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@end enum {
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NSTerminateCancel = 0, NSTerminateNow = 1, NSTerminateLater = 2 };
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typedef NSUInteger NSApplicationTerminateReply;
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@protocol NSApplicationDelegate <NSObject> @optional - (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)sender;
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@end @class NSAttributedString, NSEvent, NSFont, NSFormatter, NSImage, NSMenu, NSText, NSView, NSTextView;
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@interface NSCell : NSObject <NSCopying, NSCoding> {
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}
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@end @class NSTextField, NSPanel, NSArray, NSWindow, NSImage, NSButton, NSError;
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typedef struct {
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}
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CVTimeStamp;
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@interface CIImage : NSObject <NSCoding, NSCopying> {
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}
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typedef int CIFormat;
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@end enum {
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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 };
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typedef mach_error_t DAReturn;
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typedef const struct __DADissenter * DADissenterRef;
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extern DADissenterRef DADissenterCreate( CFAllocatorRef allocator, DAReturn status, CFStringRef string );
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@interface CIContext: NSObject {
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}
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- (CGImageRef)createCGImage:(CIImage *)im fromRect:(CGRect)r;
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- (CGImageRef)createCGImage:(CIImage *)im fromRect:(CGRect)r format:(CIFormat)f colorSpace:(CGColorSpaceRef)cs;
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- (CGLayerRef)createCGLayerWithSize:(CGSize)size info:(CFDictionaryRef)d;
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@end extern NSString* const QCRendererEventKey;
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@protocol QCCompositionRenderer - (NSDictionary*) attributes;
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@end @interface QCRenderer : NSObject <QCCompositionRenderer> {
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}
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- (id) createSnapshotImageOfType:(NSString*)type;
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@end extern NSString* const QCViewDidStartRenderingNotification;
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@interface QCView : NSView <QCCompositionRenderer> {
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}
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- (id) createSnapshotImageOfType:(NSString*)type;
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@end enum {
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ICEXIFOrientation1 = 1, ICEXIFOrientation2 = 2, ICEXIFOrientation3 = 3, ICEXIFOrientation4 = 4, ICEXIFOrientation5 = 5, ICEXIFOrientation6 = 6, ICEXIFOrientation7 = 7, ICEXIFOrientation8 = 8, };
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@class ICDevice;
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@protocol ICDeviceDelegate <NSObject> @required - (void)didRemoveDevice:(ICDevice*)device;
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@end extern NSString *const ICScannerStatusWarmingUp;
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@class ICScannerDevice;
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@protocol ICScannerDeviceDelegate <ICDeviceDelegate> @optional - (void)scannerDeviceDidBecomeAvailable:(ICScannerDevice*)scanner;
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@end
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typedef long unsigned int __darwin_size_t;
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typedef __darwin_size_t size_t;
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typedef unsigned long CFTypeID;
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struct CGPoint {
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CGFloat x;
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CGFloat y;
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};
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typedef struct CGPoint CGPoint;
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typedef struct CGGradient *CGGradientRef;
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typedef uint32_t CGGradientDrawingOptions;
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extern CFTypeID CGGradientGetTypeID(void);
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extern CGGradientRef CGGradientCreateWithColorComponents(CGColorSpaceRef
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space, const CGFloat components[], const CGFloat locations[], size_t count);
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extern CGGradientRef CGGradientCreateWithColors(CGColorSpaceRef space,
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CFArrayRef colors, const CGFloat locations[]);
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extern CGGradientRef CGGradientRetain(CGGradientRef gradient);
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extern void CGGradientRelease(CGGradientRef gradient);
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typedef struct CGContext *CGContextRef;
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extern void CGContextDrawLinearGradient(CGContextRef context,
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CGGradientRef gradient, CGPoint startPoint, CGPoint endPoint,
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CGGradientDrawingOptions options);
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extern CGColorSpaceRef CGColorSpaceCreateDeviceRGB(void);
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//===----------------------------------------------------------------------===//
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// Test cases.
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//===----------------------------------------------------------------------===//
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class SmartPointer {
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id x;
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public:
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SmartPointer(id x) : x(x) {}
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~SmartPointer() { [x release]; }
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void adopt(id x);
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void noAdopt(id x);
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};
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void test_positive() {
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id x = [[NSObject alloc] init]; // expected-warning {{leak}}
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}
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void test_smartpointer_1() {
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id x = [[NSObject alloc] init]; // no-warning
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SmartPointer foo(x);
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}
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void test_smartpointer_2() {
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id x = [[NSObject alloc] init]; // no-warning
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SmartPointer foo(0);
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foo.adopt(x);
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}
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// FIXME: Eventually we want annotations to say whether or not
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// a C++ method claims ownership of an Objective-C object.
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void test_smartpointer_3() {
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id x = [[NSObject alloc] init]; // no-warning
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SmartPointer foo(0);
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foo.noAdopt(x);
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}
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void test_smartpointer_4() {
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id x = [[NSObject alloc] init]; // no-warning
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SmartPointer *foo = new SmartPointer(x);
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delete foo;
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}
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extern CFStringRef ElectronMicroscopyEngage(void);
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void test_microscopy() {
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NSString *token = (NSString*) ElectronMicroscopyEngage();
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[token release]; // expected-warning {{object that is not owned}}
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}
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extern CFStringRef Scopy(void);
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void test_Scopy() {
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NSString *token = (NSString*) Scopy();
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[token release]; // expected-warning {{object that is not owned}}
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}
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//===----------------------------------------------------------------------===//
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// Test handling of template functions used to do magic with
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// tracked retained pointers.
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//===----------------------------------------------------------------------===//
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template <typename T, typename U> T static_objc_cast(U* value)
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{
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// ...debugging code omitted...
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return static_cast<T>(value);
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}
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int rdar10553686(void)
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{
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NSObject* bar = static_objc_cast<NSObject*>([[NSObject alloc] init]);
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[bar release];
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return 0;
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}
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int rdar10553686_positive(void)
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{
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NSObject* bar = static_objc_cast<NSObject*>([[NSObject alloc] init]);
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[bar release];
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[bar retain]; // expected-warning {{used after it is released}}
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return 0;
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}
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@interface NSMapTable : NSObject <NSCopying, NSCoding, NSFastEnumeration>
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@end
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extern void *NSMapGet(NSMapTable *table, const void *key);
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extern void NSMapInsert(NSMapTable *table, const void *key, const void *value);
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extern void NSMapInsertKnownAbsent(NSMapTable *table, const void *key, const void *value);
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char *strdup(const char *s);
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NSString * radar11152419(NSString *string1, NSString *key1, NSMapTable *map) {
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NSString *string = ( NSString *)NSMapGet(map, key1);
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if (!string) {
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string = [string1 copy];
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NSString *key = [key1 copy];
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|
NSMapInsert(map, (void*) key, (void*)string); // no warning
|
|
NSMapInsertKnownAbsent(map, (void*)key, (void*)string); // no warning
|
|
}
|
|
return string;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Don't crash on non-member functions with "callbacks" but without names.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
struct IntWrapper {
|
|
int arg;
|
|
};
|
|
|
|
int operator>> (const IntWrapper &W, int (*f)(int)) {
|
|
return f(W.arg);
|
|
}
|
|
|
|
void testCallback() {
|
|
IntWrapper val = { 42 };
|
|
|
|
extern int process(int);
|
|
val >> process;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Test handling static initializers.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
@interface radar13227740 : NSObject
|
|
@end
|
|
|
|
@implementation radar13227740
|
|
- (CFArrayRef)test {
|
|
static CFArrayRef array = ::CFArrayCreate(0, 0, 0, 0);
|
|
do { if (!((0 != array)/1)) { abort(); } } while (false);
|
|
return array;
|
|
}
|
|
|
|
// Previously this reported a bogus leak.
|
|
- (void)test2 {
|
|
(void)[self test];
|
|
(void)[self test];
|
|
}
|
|
@end
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Don't crash on getting a null expression from CallEnter corresponding to a
|
|
// destructor.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
template <typename X>
|
|
class Holder {
|
|
public:
|
|
Holder() throw();
|
|
~Holder() throw() {}
|
|
X* get() const throw();
|
|
void reset(X* p) throw();
|
|
private:
|
|
X* ptr_;
|
|
};
|
|
|
|
template<typename X>
|
|
inline
|
|
Holder<X>::Holder() throw()
|
|
: ptr_(0){}
|
|
|
|
template <typename X>
|
|
inline
|
|
X* Holder<X>::get() const throw() {
|
|
return ptr_;
|
|
}
|
|
|
|
template <typename X>
|
|
inline
|
|
void Holder<X>::reset(X* p) throw() {
|
|
if (ptr_ != p) {
|
|
if (ptr_ != 0) {
|
|
::CFRelease( ptr_ );
|
|
}
|
|
ptr_ = p;
|
|
}
|
|
}
|
|
|
|
class radar13722286 {
|
|
public:
|
|
radar13722286() {}
|
|
private:
|
|
void PrepareBitmap();
|
|
Holder<const struct __CFString> mStr;
|
|
};
|
|
|
|
void radar13722286::PrepareBitmap() {
|
|
if (mStr.get() != 0) {
|
|
Holder<const struct __CFString> str1;
|
|
mStr.reset( CFStringCreateCopy( 0, str1.get() ) ); //expected-warning {{Potential leak of an object}}
|
|
}
|
|
}
|
|
|