PR3991.m revision 8822f7cda557ffa755c16b5c978dada23c37d6be 
1// RUN: %clang_cc1 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=basic -analyzer-constraints=basic -verify -triple x86_64-apple-darwin9 %s
2// RUN: %clang_cc1 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=basic -analyzer-constraints=range -verify -triple x86_64-apple-darwin9 %s
3// RUN: %clang_cc1 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=region -analyzer-constraints=basic -verify -triple x86_64-apple-darwin9 %s
4// RUN: %clang_cc1 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=region -analyzer-constraints=range -verify -triple x86_64-apple-darwin9 %s
5
6//===----------------------------------------------------------------------===//
7// Delta-debugging produced forward declarations.
8//===----------------------------------------------------------------------===//
9
10typedef signed char BOOL;
11typedef struct _NSZone NSZone;
12@class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator;
13@protocol NSObject  - (BOOL)isEqual:(id)object;
14@end  @protocol NSCopying  - (id)copyWithZone:(NSZone *)zone;
15@end  @protocol NSMutableCopying  - (id)mutableCopyWithZone:(NSZone *)zone;
16@end  @protocol NSCoding  - (void)encodeWithCoder:(NSCoder *)aCoder;
17@end    @interface NSObject <NSObject> {
18}
19@end    extern id <NSObject> NSAllocateObject(Class aClass, unsigned extraBytes, NSZone *zone);
20@interface NSArray : NSObject <NSCopying, NSMutableCopying, NSCoding>  - (unsigned)count;
21@end   @class NSTimer, NSPort, NSArray;
22@class NSURLHandle, NSMutableArray, NSMutableData, NSData, NSURL;
23@interface NSResponder : NSObject <NSCoding> {
24}
25@end      @class NSBitmapImageRep, NSCursor, NSGraphicsContext, NSImage, NSPasteboard, NSScrollView, NSWindow, NSAttributedString;
26@interface NSView : NSResponder {
27  struct __VFlags2 {
28  }
29  _vFlags2;
30}
31@end @class NSTextField, NSPanel, NSArray, NSWindow, NSImage, NSButton, NSError;
32@interface NSBox : NSView {
33}
34@end @class GDataFeedDocList, GDataServiceTicket, GDataServiceTicket, IHGoogleDocsAdapter;
35@protocol IHGoogleDocsAdapterDelegate  - (void)googleDocsAdapter:(IHGoogleDocsAdapter*)inGoogleDocsAdapter accountVerifyIsValid:(BOOL)inIsValid error:(NSError *)inError;
36@end   @interface IHGoogleDocsAdapter : NSObject {
37}
38- (NSArray *)entries; // expected-note {{method definition for 'entries' not found}}
39@end extern Class const kGDataUseRegisteredClass ;
40@interface IHGoogleDocsAdapter ()  - (GDataFeedDocList *)feedDocList; // expected-note {{method definition for 'feedDocList' not found}}
41- (NSArray *)directoryPathComponents; // expected-note {{method definition for 'directoryPathComponents' not found}}
42- (unsigned int)currentPathComponentIndex; // expected-note {{method definition for 'currentPathComponentIndex' not found}}
43- (void)setCurrentPathComponentIndex:(unsigned int)aCurrentPathComponentIndex; // expected-note {{method definition for 'setCurrentPathComponentIndex:' not found}}
44- (NSURL *)folderFeedURL; // expected-note {{method definition for 'folderFeedURL' not found}}
45@end  
46
47@implementation IHGoogleDocsAdapter    - (id)initWithUsername:(NSString *)inUsername password:(NSString *)inPassword owner:(NSObject <IHGoogleDocsAdapterDelegate> *)owner {	// expected-warning {{incomplete implementation}}
48  return 0;
49}
50
51//===----------------------------------------------------------------------===//
52// Actual test case:
53//
54// The analyzer currently doesn't reason about ObjCKVCRefExpr.  Have both
55// GRExprEngine::Visit and GRExprEngine::VisitLValue have such expressions
56// evaluate to UnknownVal.
57//===----------------------------------------------------------------------===//
58
59- (void)docListListFetchTicket:(GDataServiceTicket *)ticket               finishedWithFeed:(GDataFeedDocList *)feed {
60  BOOL doGetDir = self.directoryPathComponents != 0 && self.currentPathComponentIndex < [self.directoryPathComponents count];
61  if (doGetDir)  {
62    BOOL isDirExisting = [[self.feedDocList entries] count] > 0;
63    if (isDirExisting)   {
64      if (self.folderFeedURL != 0)    {
65        if (++self.currentPathComponentIndex == [self.directoryPathComponents count])     {
66        }
67      }
68    }
69  }
70}
71@end
72