1 // RUN: %clang_analyze_cc1 -analyzer-checker=core,alpha.core -analyzer-checker=deadcode.DeadStores -verify %s
3 // This test exercises the live variables analysis (LiveVariables.cpp).
4 // The case originally identified a non-termination bug.
6 typedef signed char BOOL;
7 typedef unsigned int NSUInteger;
8 typedef struct _NSZone NSZone;
9 @protocol NSObject - (BOOL)isEqual:(id)object; @end
10 @interface NSObject <NSObject> {} @end
11 extern id NSAllocateObject(Class aClass, NSUInteger extraBytes, NSZone *zone);
12 @class NSArray; // expected-note {{receiver is instance of class declared here}}
13 @class NSMutableArray, NSIndexSet, NSView, NSPredicate, NSString, NSViewAnimation, NSTimer; // expected-note{{forward declaration of class here}}
14 @interface FooBazController : NSObject {}
16 typedef struct {} TazVersion;
18 @interface TazGuttenberg : NSObject {} typedef NSUInteger BugsBunnyType; @end // expected-note {{receiver is instance of class declared here}}
19 @interface FooBaz : NSObject {}
20 @property (nonatomic) BugsBunnyType matchType;
21 @property (nonatomic, retain) NSArray *papyrus; @end
22 @implementation FooBazController
23 - (NSArray *)excitingStuff:(FooBaz *)options {
24 BugsBunnyType matchType = options.matchType;
25 NSPredicate *isSearchablePredicate = [NSPredicate predicateWithFormat:@"isSearchable == YES"]; // expected-warning{{receiver 'NSPredicate' is a forward class and corresponding}} // expected-warning{{return type defaults to 'id'}}
26 for (TazGuttenberg *Guttenberg in options.papyrus) {
27 NSArray *GuttenbergNodes = [Guttenberg nodes]; // expected-warning{{return type defaults to 'id'}}
28 NSArray *searchableNodes = [GuttenbergNodes filteredArrayUsingPredicate:isSearchablePredicate]; // expected-warning{{return type defaults to 'id'}}
29 for (TazNode *node in searchableNodes) {