forked from OSchip/llvm-project
61 lines
1.6 KiB
Objective-C
61 lines
1.6 KiB
Objective-C
// RUN: %clang_cc1 -analyze -analyzer-checker=core,osx.cocoa.RetainCount -verify -fblocks %s
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@class NSString;
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typedef long NSInteger;
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typedef unsigned char BOOL;
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@interface NSObject {}
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+(id)alloc;
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-(id)init;
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-(id)autorelease;
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-(id)copy;
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-(id)retain;
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@end
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@interface NSNumber : NSObject
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+ (NSNumber *)numberWithInteger:(NSInteger)value __attribute__((availability(ios,introduced=2.0)));
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@end
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NSInteger *inoutIntegerValueGlobal;
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NSInteger *inoutIntegerValueGlobal2;
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NSString *traitNameGlobal;
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static BOOL cond;
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static inline void reallyPerformAction(void (^integerHandler)(NSInteger *inoutIntegerValue, NSString *traitName)) {
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integerHandler(inoutIntegerValueGlobal, traitNameGlobal);
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integerHandler(inoutIntegerValueGlobal2,traitNameGlobal);
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}
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static inline BOOL performAction(NSNumber *(^action)(NSNumber *traitValue)) {
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__attribute__((__blocks__(byref))) BOOL didFindTrait = 0;
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reallyPerformAction(^(NSInteger *inoutIntegerValue,NSString *traitName) {
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if (cond) {
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NSNumber *traitValue = @(*inoutIntegerValue);
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NSNumber *newTraitValue = action(traitValue);
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if (traitValue != newTraitValue) {
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*inoutIntegerValue = newTraitValue ? *inoutIntegerValue : *inoutIntegerValue;
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}
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didFindTrait = 1;
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}
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});
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return didFindTrait;
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}
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void runTest() {
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__attribute__((__blocks__(byref))) NSNumber *builtinResult = ((NSNumber *)0);
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BOOL wasBuiltinTrait = performAction(^(NSNumber *traitValue) {
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builtinResult = [traitValue retain]; // expected-warning {{Potential leak of an object}}
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return traitValue;
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});
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if (wasBuiltinTrait) {
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[builtinResult autorelease];
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return;
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} else {
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return;
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}
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}
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