131 lines
4.9 KiB
Objective-C
131 lines
4.9 KiB
Objective-C
// RUN: %clang_cc1 -analyze -analyzer-checker=core,osx.cocoa.RetainCount -analyzer-store=region -Wno-objc-root-class -verify %s
|
|
// expected-no-diagnostics
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// The following code is reduced using delta-debugging from
|
|
// Foundation.h (Mac OS X).
|
|
//
|
|
// It includes the basic definitions for the test cases below.
|
|
// Not directly including Foundation.h directly makes this test case
|
|
// both svelte and portable to non-Mac platforms.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
typedef const void * CFTypeRef;
|
|
typedef const struct __CFString * CFStringRef;
|
|
typedef const struct __CFAllocator * CFAllocatorRef;
|
|
extern const CFAllocatorRef kCFAllocatorDefault;
|
|
extern CFTypeRef CFRetain(CFTypeRef cf);
|
|
void CFRelease(CFTypeRef cf);
|
|
typedef const struct __CFDictionary * CFDictionaryRef;
|
|
const void *CFDictionaryGetValue(CFDictionaryRef theDict, const void *key);
|
|
extern CFStringRef CFStringCreateWithFormat(CFAllocatorRef alloc, CFDictionaryRef formatOptions, CFStringRef format, ...);
|
|
typedef signed char BOOL;
|
|
typedef int NSInteger;
|
|
typedef unsigned int NSUInteger;
|
|
typedef struct objc_selector *SEL;
|
|
@class NSString, Protocol;
|
|
extern void NSLog(NSString *format, ...) __attribute__((format(__NSString__, 1, 2)));
|
|
typedef NSInteger NSComparisonResult;
|
|
typedef struct _NSZone NSZone;
|
|
@class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator;
|
|
@protocol NSObject
|
|
- (BOOL)isEqual:(id)object;
|
|
- (oneway void)release;
|
|
- (Class)class;
|
|
- (id)retain;
|
|
@end
|
|
@protocol NSCopying
|
|
- (id)copyWithZone:(NSZone *)zone;
|
|
@end
|
|
@protocol NSMutableCopying
|
|
- (id)mutableCopyWithZone:(NSZone *)zone;
|
|
@end
|
|
@protocol NSCoding
|
|
- (void)encodeWithCoder:(NSCoder *)aCoder;
|
|
@end
|
|
@interface NSObject <NSObject> {}
|
|
- (id)init;
|
|
+ (id)alloc;
|
|
+ (Class)class;
|
|
- (void)performSelectorOnMainThread:(SEL)aSelector withObject:(id)arg waitUntilDone:(BOOL)wait;
|
|
@end
|
|
extern id NSAllocateObject(Class aClass, NSUInteger extraBytes, NSZone *zone);
|
|
typedef struct {} NSFastEnumerationState;
|
|
@protocol NSFastEnumeration
|
|
- (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(NSUInteger)len;
|
|
@end
|
|
@class NSString;
|
|
typedef struct _NSRange {} NSRange;
|
|
@interface NSArray : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration>
|
|
- (NSUInteger)count;
|
|
@end
|
|
@interface NSMutableArray : NSArray
|
|
- (void)addObject:(id)anObject;
|
|
- (id)initWithCapacity:(NSUInteger)numItems;
|
|
@end
|
|
typedef unsigned short unichar;
|
|
@class NSData, NSArray, NSDictionary, NSCharacterSet, NSData, NSURL, NSError, NSLocale;
|
|
typedef NSUInteger NSStringCompareOptions;
|
|
@interface NSString : NSObject <NSCopying, NSMutableCopying, NSCoding> - (NSUInteger)length;
|
|
- (NSComparisonResult)compare:(NSString *)string;
|
|
- (NSComparisonResult)compare:(NSString *)string options:(NSStringCompareOptions)mask;
|
|
- (NSComparisonResult)compare:(NSString *)string options:(NSStringCompareOptions)mask range:(NSRange)compareRange;
|
|
- (NSComparisonResult)compare:(NSString *)string options:(NSStringCompareOptions)mask range:(NSRange)compareRange locale:(id)locale;
|
|
- (NSComparisonResult)caseInsensitiveCompare:(NSString *)string;
|
|
- (NSArray *)componentsSeparatedByCharactersInSet:(NSCharacterSet *)separator;
|
|
@end
|
|
@interface NSSimpleCString : NSString {} @end
|
|
@interface NSConstantString : NSSimpleCString @end
|
|
extern void *_NSConstantStringClassReference;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Test cases.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <rdar://problem/6062730>
|
|
// The analyzer doesn't perform any inter-procedural analysis, so delegates
|
|
// involving [NSObject performSelector...] tend to lead to false positives.
|
|
// For now the analyzer just stops tracking the reference count of the
|
|
// receiver until we have better support for delegates.
|
|
|
|
@interface test_6062730 : NSObject
|
|
+ (void)postNotification:(NSString *)str;
|
|
- (void)foo;
|
|
- (void)bar;
|
|
@end
|
|
|
|
@implementation test_6062730
|
|
- (void) foo {
|
|
NSString *str = [[NSString alloc] init]; // no-warning
|
|
[test_6062730 performSelectorOnMainThread:@selector(postNotification:) withObject:str waitUntilDone:1];
|
|
}
|
|
|
|
- (void) bar {
|
|
NSString *str = [[NSString alloc] init]; // no-warning
|
|
[[self class] performSelectorOnMainThread:@selector(postNotification:) withObject:str waitUntilDone:1];
|
|
}
|
|
|
|
+ (void) postNotification:(NSString *)str {
|
|
[str release]; // no-warning
|
|
}
|
|
@end
|
|
|
|
|
|
@interface ObjectThatRequiresDelegate : NSObject
|
|
- (id)initWithDelegate:(id)delegate;
|
|
- (id)initWithNumber:(int)num delegate:(id)delegate;
|
|
@end
|
|
|
|
|
|
@interface DelegateRequirerTest
|
|
@end
|
|
@implementation DelegateRequirerTest
|
|
|
|
- (void)test {
|
|
(void)[[ObjectThatRequiresDelegate alloc] initWithDelegate:self];
|
|
(void)[[ObjectThatRequiresDelegate alloc] initWithNumber:0 delegate:self];
|
|
// no leak warnings -- these objects could be released in callback methods
|
|
}
|
|
|
|
@end
|