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38 lines
1.9 KiB
38 lines
1.9 KiB
4 months ago
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// RUN: %clang_cc1 -analyze -analyzer-checker=core,alpha.core -analyzer-checker=deadcode.DeadStores -verify %s
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//
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// This test exercises the live variables analysis (LiveVariables.cpp).
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// The case originally identified a non-termination bug.
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//
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typedef signed char BOOL;
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typedef unsigned int NSUInteger;
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typedef struct _NSZone NSZone;
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@protocol NSObject - (BOOL)isEqual:(id)object; @end
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@interface NSObject <NSObject> {} @end
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extern id NSAllocateObject(Class aClass, NSUInteger extraBytes, NSZone *zone);
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@class NSArray; // expected-note {{receiver is instance of class declared here}}
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@class NSMutableArray, NSIndexSet, NSView, NSPredicate, NSString, NSViewAnimation, NSTimer; // expected-note{{forward declaration of class here}}
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@interface FooBazController : NSObject {}
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@end
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typedef struct {} TazVersion;
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@class TazNode;
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@interface TazGuttenberg : NSObject {} typedef NSUInteger BugsBunnyType; @end // expected-note {{receiver is instance of class declared here}}
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@interface FooBaz : NSObject {}
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@property (nonatomic) BugsBunnyType matchType;
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@property (nonatomic, retain) NSArray *papyrus; @end
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@implementation FooBazController
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- (NSArray *)excitingStuff:(FooBaz *)options {
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BugsBunnyType matchType = options.matchType;
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NSPredicate *isSearchablePredicate = [NSPredicate predicateWithFormat:@"isSearchable == YES"]; // expected-warning{{receiver 'NSPredicate' is a forward class and corresponding}} // expected-warning{{return type defaults to 'id'}}
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for (TazGuttenberg *Guttenberg in options.papyrus) {
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NSArray *GuttenbergNodes = [Guttenberg nodes]; // expected-warning{{return type defaults to 'id'}}
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NSArray *searchableNodes = [GuttenbergNodes filteredArrayUsingPredicate:isSearchablePredicate]; // expected-warning{{return type defaults to 'id'}}
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for (TazNode *node in searchableNodes) {
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switch (matchType) {
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default: break;
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}
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}
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}
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while (1) {}
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}
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@end
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