77 lines
2.7 KiB
Mathematica
77 lines
2.7 KiB
Mathematica
|
// RUN: %clang_analyze_cc1 -analyzer-checker=core,osx -analyzer-output=text -verify %s
|
||
|
|
// RUN: %clang_analyze_cc1 -analyzer-checker=core,osx -analyzer-output=plist-multi-file %s -o %t.plist
|
||
|
|
// RUN: %normalize_plist <%t.plist | diff -ub %S/Inputs/expected-plists/undef-value-param.m.plist -
|
||
|
|
|
||
|
|
typedef signed char BOOL;
|
||
|
|
@protocol NSObject - (BOOL)isEqual:(id)object; @end
|
||
|
|
@interface NSObject <NSObject> {}
|
||
|
|
+(id)alloc;
|
||
|
|
+(id)new;
|
||
|
|
-(id)init;
|
||
|
|
-(id)autorelease;
|
||
|
|
-(id)copy;
|
||
|
|
- (Class)class;
|
||
|
|
-(id)retain;
|
||
|
|
@end
|
||
|
|
typedef const void * CFTypeRef;
|
||
|
|
extern void CFRelease(CFTypeRef cf);
|
||
|
|
|
||
|
|
@interface Cell : NSObject
|
||
|
|
- (void)test;
|
||
|
|
@end
|
||
|
|
|
||
|
|
@interface SpecialString
|
||
|
|
+ (id)alloc;
|
||
|
|
- (oneway void)release;
|
||
|
|
@end
|
||
|
|
|
||
|
|
typedef SpecialString* SCDynamicStoreRef;
|
||
|
|
static void CreateRef(SCDynamicStoreRef *storeRef, unsigned x);
|
||
|
|
static void CreateRefUndef(SCDynamicStoreRef *storeRef, unsigned x);
|
||
|
|
SCDynamicStoreRef anotherCreateRef(unsigned *err, unsigned x);
|
||
|
|
|
||
|
|
@implementation Cell
|
||
|
|
- (void) test {
|
||
|
|
SCDynamicStoreRef storeRef = 0;
|
||
|
|
CreateRef(&storeRef, 4);
|
||
|
|
//expected-note@-1{{Calling 'CreateRef'}}
|
||
|
|
//expected-note@-2{{Returning from 'CreateRef'}}
|
||
|
|
CFRelease(storeRef); //expected-warning {{Null pointer argument in call to CFRelease}}
|
||
|
|
//expected-note@-1{{Null pointer argument in call to CFRelease}}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)test2 {
|
||
|
|
SCDynamicStoreRef storeRef; // expected-note {{'storeRef' declared without an initial value}}
|
||
|
|
CreateRefUndef(&storeRef, 4);
|
||
|
|
//expected-note@-1{{Calling 'CreateRefUndef'}}
|
||
|
|
//expected-note@-2{{Returning from 'CreateRefUndef'}}
|
||
|
|
CFRelease(storeRef); //expected-warning {{1st function call argument is an uninitialized value}}
|
||
|
|
//expected-note@-1{{1st function call argument is an uninitialized value}}
|
||
|
|
}
|
||
|
|
@end
|
||
|
|
|
||
|
|
static void CreateRef(SCDynamicStoreRef *storeRef, unsigned x) {
|
||
|
|
unsigned err = 0;
|
||
|
|
SCDynamicStoreRef ref = anotherCreateRef(&err, x);
|
||
|
|
if (err) {
|
||
|
|
//expected-note@-1{{Assuming 'err' is not equal to 0}}
|
||
|
|
//expected-note@-2{{Taking true branch}}
|
||
|
|
CFRelease(ref);
|
||
|
|
ref = 0; // expected-note{{nil object reference stored to 'ref'}}
|
||
|
|
}
|
||
|
|
*storeRef = ref; // expected-note{{nil object reference stored to 'storeRef'}}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void CreateRefUndef(SCDynamicStoreRef *storeRef, unsigned x) {
|
||
|
|
unsigned err = 0;
|
||
|
|
SCDynamicStoreRef ref = anotherCreateRef(&err, x);
|
||
|
|
if (err) {
|
||
|
|
//expected-note@-1{{Assuming 'err' is not equal to 0}}
|
||
|
|
//expected-note@-2{{Taking true branch}}
|
||
|
|
CFRelease(ref);
|
||
|
|
return; // expected-note{{Returning without writing to '*storeRef'}}
|
||
|
|
}
|
||
|
|
*storeRef = ref;
|
||
|
|
}
|
||
|
|
|