1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199
|
// RUN: %clang_analyze_cc1 -analyzer-checker=osx.cocoa.Dealloc -fblocks -verify %s
// RUN: %clang_analyze_cc1 -analyzer-checker=osx.cocoa.Dealloc -fblocks -verify -triple x86_64-apple-darwin10 -fobjc-arc %s
#define NON_ARC !__has_feature(objc_arc)
// No diagnostics expected under ARC.
#if !NON_ARC
// expected-no-diagnostics
#endif
typedef signed char BOOL;
@protocol NSObject
- (BOOL)isEqual:(id)object;
- (Class)class;
@end
@interface NSObject <NSObject> {}
- (void)dealloc;
- (id)init;
@end
typedef struct objc_selector *SEL;
//===------------------------------------------------------------------------===
// Do not warn about missing -dealloc method. Not enough context to know
// whether the ivar is retained or not.
@interface MissingDeallocWithIvar : NSObject {
NSObject *_ivar;
}
@end
@implementation MissingDeallocWithIvar
@end
//===------------------------------------------------------------------------===
// Do not warn about missing -dealloc method. These properties are not
// retained or synthesized.
@interface MissingDeallocWithIntProperty : NSObject
@property (assign) int ivar;
@end
@implementation MissingDeallocWithIntProperty
@end
@interface MissingDeallocWithSELProperty : NSObject
@property (assign) SEL ivar;
@end
@implementation MissingDeallocWithSELProperty
@end
//===------------------------------------------------------------------------===
// Warn about missing -dealloc method.
@interface MissingDeallocWithCopyProperty : NSObject
@property (copy) NSObject *ivar;
@end
#if NON_ARC
// expected-warning@+2{{'MissingDeallocWithCopyProperty' lacks a 'dealloc' instance method but must release '_ivar'}}
#endif
@implementation MissingDeallocWithCopyProperty
@end
@interface MissingDeallocWithRetainProperty : NSObject
@property (retain) NSObject *ivar;
@end
#if NON_ARC
// expected-warning@+2{{'MissingDeallocWithRetainProperty' lacks a 'dealloc' instance method but must release '_ivar'}}
#endif
@implementation MissingDeallocWithRetainProperty
@end
@interface MissingDeallocWithMultipleProperties : NSObject
@property (retain) NSObject *ivar1;
@property (retain) NSObject *ivar2;
@end
#if NON_ARC
// expected-warning@+2{{'MissingDeallocWithMultipleProperties' lacks a 'dealloc' instance method but must release '_ivar1' and others}}
#endif
@implementation MissingDeallocWithMultipleProperties
@end
@interface MissingDeallocWithIVarAndRetainProperty : NSObject {
NSObject *_ivar2;
}
@property (retain) NSObject *ivar1;
@end
#if NON_ARC
// expected-warning@+2{{'MissingDeallocWithIVarAndRetainProperty' lacks a 'dealloc' instance method but must release '_ivar1'}}
#endif
@implementation MissingDeallocWithIVarAndRetainProperty
@end
@interface MissingDeallocWithReadOnlyRetainedProperty : NSObject
@property (readonly,retain) NSObject *ivar;
@end
#if NON_ARC
// expected-warning@+2{{'MissingDeallocWithReadOnlyRetainedProperty' lacks a 'dealloc' instance method but must release '_ivar'}}
#endif
@implementation MissingDeallocWithReadOnlyRetainedProperty
@end
//===------------------------------------------------------------------------===
// Don't warn about iVars that are selectors.
@interface TestSELs : NSObject {
SEL a;
SEL b;
}
@end
@implementation TestSELs
- (id)init {
if( (self = [super init]) ) {
a = @selector(a);
b = @selector(b);
}
return self;
}
@end
//===------------------------------------------------------------------------===
// Don't warn about iVars that are IBOutlets.
@class NSWindow;
@interface HasOutlet : NSObject {
IBOutlet NSWindow *window;
}
@end
@implementation HasOutlet // no-warning
@end
//===------------------------------------------------------------------------===
// PR 3187: http://llvm.org/bugs/show_bug.cgi?id=3187
// - Disable the missing -dealloc check for classes that subclass SenTestCase
@class NSString;
@interface SenTestCase : NSObject {}
@end
@interface MyClassTest : SenTestCase {
NSString *resourcePath;
}
@property (retain) NSObject *ivar;
@end
@interface NSBundle : NSObject {}
+ (NSBundle *)bundleForClass:(Class)aClass;
- (NSString *)resourcePath;
@end
@implementation MyClassTest
- (void)setUp {
resourcePath = [[NSBundle bundleForClass:[self class]] resourcePath];
}
- (void)testXXX {
// do something which uses resourcepath
}
@end
//===------------------------------------------------------------------------===
// Don't warn for clases that aren't subclasses of NSObject
__attribute__((objc_root_class))
@interface NonNSObjectMissingDealloc
@property (retain) NSObject *ivar;
@end
@implementation NonNSObjectMissingDealloc
@end
//===------------------------------------------------------------------------===
// Don't crash on calls to dealloc as a class method.
@interface DeallocingClass : NSObject {}
@end
@implementation DeallocingClass
- (void)dealloc {
[DeallocingClass dealloc]; // FIXME: Should we warn on this specifically?
}
#if NON_ARC
// expected-warning@-2{{method possibly missing a [super dealloc] call}}
#endif
@end
|