57 lines
2.2 KiB
Mathematica
57 lines
2.2 KiB
Mathematica
|
// RUN: %clang_cc1 -analyze -analyzer-checker=core -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 signed char BOOL;
|
||
|
|
typedef unsigned int NSUInteger;
|
||
|
|
typedef struct _NSZone NSZone;
|
||
|
|
@class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator;
|
||
|
|
@protocol NSObject - (BOOL)isEqual:(id)object; @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> {} @end
|
||
|
|
@class NSString, NSData;
|
||
|
|
@class NSString, NSData, NSMutableData, NSMutableDictionary, NSMutableArray;
|
||
|
|
typedef struct {} NSFastEnumerationState;
|
||
|
|
@protocol NSFastEnumeration
|
||
|
|
- (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(NSUInteger)len;
|
||
|
|
@end
|
||
|
|
@class NSData, NSIndexSet, NSString, NSURL;
|
||
|
|
@interface NSArray : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration>
|
||
|
|
- (NSUInteger)count;
|
||
|
|
@end
|
||
|
|
@interface NSArray (NSArrayCreation)
|
||
|
|
+ (id)array;
|
||
|
|
- (NSUInteger)length;
|
||
|
|
- (void)addObject:(id)object;
|
||
|
|
@end
|
||
|
|
extern NSString * const NSUndoManagerCheckpointNotification;
|
||
|
|
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
// Test cases.
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
unsigned f1() {
|
||
|
|
NSString *aString;
|
||
|
|
return [aString length]; // expected-warning {{Receiver in message expression is an uninitialized value}}
|
||
|
|
}
|
||
|
|
|
||
|
|
unsigned f2() {
|
||
|
|
NSString *aString = 0;
|
||
|
|
return [aString length]; // no-warning
|
||
|
|
}
|
||
|
|
|
||
|
|
void f3() {
|
||
|
|
NSMutableArray *aArray = [NSArray array];
|
||
|
|
NSString *aString;
|
||
|
|
[aArray addObject:aString]; // expected-warning {{Argument in message expression is an uninitialized value}}
|
||
|
|
}
|