| 1 | // RUN: %clang_analyze_cc1 -analyzer-checker=core,alpha.core -analyzer-checker=deadcode.DeadStores -verify %s |
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| 2 | // |
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| 3 | // This test exercises the live variables analysis (LiveVariables.cpp). |
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| 4 | // The case originally identified a non-termination bug. |
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| 5 | // |
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| 6 | typedef signed char BOOL; |
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| 7 | typedef unsigned int NSUInteger; |
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| 8 | typedef struct _NSZone NSZone; |
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| 9 | @protocol NSObject - (BOOL)isEqual:(id)object; @end |
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| 10 | @interface NSObject <NSObject> {} @end |
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| 11 | extern id NSAllocateObject(Class aClass, NSUInteger extraBytes, NSZone *zone); |
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| 12 | @class NSArray; // expected-note {{receiver is instance of class declared here}} |
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| 13 | @class NSMutableArray, NSIndexSet, NSView, NSPredicate, NSString, NSViewAnimation, NSTimer; // expected-note{{forward declaration of class here}} |
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| 14 | @interface FooBazController : NSObject {} |
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| 15 | @end |
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| 16 | typedef struct {} TazVersion; |
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| 17 | @class TazNode; |
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| 18 | @interface TazGuttenberg : NSObject {} typedef NSUInteger BugsBunnyType; @end // expected-note {{receiver is instance of class declared here}} |
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| 19 | @interface FooBaz : NSObject {} |
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| 20 | @property (nonatomic) BugsBunnyType matchType; |
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| 21 | @property (nonatomic, retain) NSArray *papyrus; @end |
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| 22 | @implementation FooBazController |
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| 23 | - (NSArray *)excitingStuff:(FooBaz *)options { |
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| 24 | BugsBunnyType matchType = options.matchType; |
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| 25 | 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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| 26 | for (TazGuttenberg *Guttenberg in options.papyrus) { |
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| 27 | NSArray *GuttenbergNodes = [Guttenberg nodes]; // expected-warning{{return type defaults to 'id'}} |
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| 28 | NSArray *searchableNodes = [GuttenbergNodes filteredArrayUsingPredicate:isSearchablePredicate]; // expected-warning{{return type defaults to 'id'}} |
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| 29 | for (TazNode *node in searchableNodes) { |
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| 30 | switch (matchType) { |
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| 31 | default: break; |
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| 32 | } |
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| 33 | } |
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| 34 | } |
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| 35 | while (1) {} |
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| 36 | } |
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| 37 | @end |
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| 38 | |
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