1 // RUN: %clang_cc1 -analyze -analyzer-checker=core,alpha.core -analyzer-store=region -analyzer-constraints=range -verify -triple x86_64-apple-darwin9 -Wno-incomplete-implementation %s 2 // expected-no-diagnostics 3 4 //===----------------------------------------------------------------------===// 5 // Delta-debugging produced forward declarations. 6 //===----------------------------------------------------------------------===// 7 8 typedef signed char BOOL; 9 typedef struct _NSZone NSZone; 10 @class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator; 11 @protocol NSObject - (BOOL)isEqual:(id)object; 12 @end @protocol NSCopying - (id)copyWithZone:(NSZone *)zone; 13 @end @protocol NSMutableCopying - (id)mutableCopyWithZone:(NSZone *)zone; 14 @end @protocol NSCoding - (void)encodeWithCoder:(NSCoder *)aCoder; 15 @end @interface NSObject <NSObject> { 16 } 17 @end extern id <NSObject> NSAllocateObject(Class aClass, unsigned extraBytes, NSZone *zone); 18 @interface NSArray : NSObject <NSCopying, NSMutableCopying, NSCoding> - (unsigned)count; 19 @end @class NSTimer, NSPort, NSArray; 20 @class NSURLHandle, NSMutableArray, NSMutableData, NSData, NSURL; 21 @interface NSResponder : NSObject <NSCoding> { 22 } 23 @end @class NSBitmapImageRep, NSCursor, NSGraphicsContext, NSImage, NSPasteboard, NSScrollView, NSWindow, NSAttributedString; 24 @interface NSView : NSResponder { 25 struct __VFlags2 { 26 } 27 _vFlags2; 28 } 29 @end @class NSTextField, NSPanel, NSArray, NSWindow, NSImage, NSButton, NSError; 30 @interface NSBox : NSView { 31 } 32 @end @class GDataFeedDocList, GDataServiceTicket, GDataServiceTicket, IHGoogleDocsAdapter; 33 @protocol IHGoogleDocsAdapterDelegate - (void)googleDocsAdapter:(IHGoogleDocsAdapter*)inGoogleDocsAdapter accountVerifyIsValid:(BOOL)inIsValid error:(NSError *)inError; 34 @end @interface IHGoogleDocsAdapter : NSObject { 35 } 36 - (NSArray *)entries; 37 @end extern Class const kGDataUseRegisteredClass ; 38 @interface IHGoogleDocsAdapter () - (GDataFeedDocList *)feedDocList; 39 - (NSArray *)directoryPathComponents; 40 - (unsigned int)currentPathComponentIndex; 41 - (void)setCurrentPathComponentIndex:(unsigned int)aCurrentPathComponentIndex; 42 - (NSURL *)folderFeedURL; 43 @end 44 45 @implementation IHGoogleDocsAdapter - (id)initWithUsername:(NSString *)inUsername password:(NSString *)inPassword owner:(NSObject <IHGoogleDocsAdapterDelegate> *)owner { 46 return 0; 47 } 48 49 //===----------------------------------------------------------------------===// 50 // Actual test case: 51 // 52 // The analyzer currently doesn't reason about ObjCKVCRefExpr. Have both 53 // GRExprEngine::Visit and GRExprEngine::VisitLValue have such expressions 54 // evaluate to UnknownVal. 55 //===----------------------------------------------------------------------===// 56 57 - (void)docListListFetchTicket:(GDataServiceTicket *)ticket finishedWithFeed:(GDataFeedDocList *)feed { 58 BOOL doGetDir = self.directoryPathComponents != 0 && self.currentPathComponentIndex < [self.directoryPathComponents count]; 59 if (doGetDir) { 60 BOOL isDirExisting = [[self.feedDocList entries] count] > 0; 61 if (isDirExisting) { 62 if (self.folderFeedURL != 0) { 63 if (++self.currentPathComponentIndex == [self.directoryPathComponents count]) { 64 } 65 } 66 } 67 } 68 } 69 @end 70