blob: 18b42417eb978346f4a25c76ec12b6bb7db5945d [file] [log] [blame]
// RUN: %clang_cc1 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=basic -verify %s
// RUN: %clang_cc1 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=region -verify %s
// 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;
@protocol NSCopying
- (id)copyWithZone:(NSZone *)zone;
@protocol NSMutableCopying
- (id)mutableCopyWithZone:(NSZone *)zone;
@protocol NSCoding
- (void)encodeWithCoder:(NSCoder *)aCoder;
@interface NSObject <NSObject> {}
- (id)init;
+ (id)alloc;
+ (Class)class;
- (void)performSelectorOnMainThread:(SEL)aSelector withObject:(id)arg waitUntilDone:(BOOL)wait;
extern id NSAllocateObject(Class aClass, NSUInteger extraBytes, NSZone *zone);
typedef struct {} NSFastEnumerationState;
@protocol NSFastEnumeration
- (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(NSUInteger)len;
@class NSString;
typedef struct _NSRange {} NSRange;
@interface NSArray : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration>
- (NSUInteger)count;
@interface NSMutableArray : NSArray
- (void)addObject:(id)anObject;
- (id)initWithCapacity:(NSUInteger)numItems;
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;
@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;
@implementation test_6062730
- (void) foo {
NSString *str = [[NSString alloc] init];
[test_6062730 performSelectorOnMainThread:@selector(postNotification:) withObject:str waitUntilDone:1];
- (void) bar {
NSString *str = [[NSString alloc] init]; // expected-warning{{leak}}
// FIXME: We need to resolve [self class] to 'test_6062730'.
[[self class] performSelectorOnMainThread:@selector(postNotification:) withObject:str waitUntilDone:1];
+ (void) postNotification:(NSString *)str {
[str release]; // no-warning