| // RUN: clang-cc -analyze -warn-dead-stores -verify %s |
| // |
| // This test exercises the live variables analysis (LiveVariables.cpp). |
| // The case originally identified a non-termination bug. |
| // |
| typedef signed char BOOL; |
| typedef unsigned int NSUInteger; |
| typedef struct _NSZone NSZone; |
| @protocol NSObject - (BOOL)isEqual:(id)object; @end |
| @interface NSObject <NSObject> {} @end |
| extern id NSAllocateObject(Class aClass, NSUInteger extraBytes, NSZone *zone); |
| @class NSArray; |
| @class NSMutableArray, NSIndexSet, NSView, NSPredicate, NSString, NSViewAnimation, NSTimer; |
| @interface FooBazController : NSObject {} |
| @end |
| typedef struct {} TazVersion; |
| @class TazNode; |
| @interface TazGuttenberg : NSObject {} typedef NSUInteger BugsBunnyType; @end |
| @interface FooBaz : NSObject {} |
| @property (nonatomic) BugsBunnyType matchType; |
| @property (nonatomic, retain) NSArray *papyrus; @end |
| @implementation FooBazController |
| - (NSArray *)excitingStuff:(FooBaz *)options { |
| BugsBunnyType matchType = options.matchType; |
| NSPredicate *isSearchablePredicate = [NSPredicate predicateWithFormat:@"isSearchable == YES"]; // expected-warning{{return type defaults to 'id'}} |
| for (TazGuttenberg *Guttenberg in options.papyrus) { |
| NSArray *GuttenbergNodes = [Guttenberg nodes]; // expected-warning{{return type defaults to 'id'}} |
| NSArray *searchableNodes = [GuttenbergNodes filteredArrayUsingPredicate:isSearchablePredicate]; // expected-warning{{return type defaults to 'id'}} |
| for (TazNode *node in searchableNodes) { |
| switch (matchType) { |
| default: break; |
| } |
| } |
| } |
| } |
| @end |