forked from OSchip/llvm-project
32 lines
1.2 KiB
Mathematica
32 lines
1.2 KiB
Mathematica
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// RUN: clang -checker-cfref -verify %s
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typedef signed char BOOL;
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typedef int NSInteger;
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typedef struct _NSZone NSZone;
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@class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator;
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@protocol NSObject - (BOOL)isEqual:(id)object; @end
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@protocol NSCopying - (id)copyWithZone:(NSZone *)zone; @end
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@protocol NSCoding - (void)encodeWithCoder:(NSCoder *)aCoder; @end
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@interface NSObject <NSObject> {} @end
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@class NSDictionary;
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@interface NSError : NSObject <NSCopying, NSCoding> {}
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+ (id)errorWithDomain:(NSString *)domain code:(NSInteger)code userInfo:(NSDictionary *)dict;
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@end
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extern NSString * const NSXMLParserErrorDomain ;
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@interface A
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- (void)myMethodWhichMayFail:(NSError **)error;
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- (BOOL)myMethodWhichMayFail2:(NSError **)error;
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@end
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@implementation A
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- (void)myMethodWhichMayFail:(NSError **)error { // expected-warning: {{Method accepting NSError** argument should have non-void return value to indicate that an error occurred.}}
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*error = [NSError errorWithDomain:@"domain" code:1 userInfo:0]; // expected-warning: {{Potential null dereference.}}
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}
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- (BOOL)myMethodWhichMayFail2:(NSError **)error { // no-warning
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if (error) *error = [NSError errorWithDomain:@"domain" code:1 userInfo:0]; // no-warning
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return 0;
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}
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@end
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