forked from OSchip/llvm-project
80 lines
3.3 KiB
Objective-C
80 lines
3.3 KiB
Objective-C
// RUN: clang -analyze -checker-simple -analyzer-store-basic -verify %s &&
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// RUN: clang -analyze -checker-cfref -analyzer-store-basic -verify %s &&
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// RUN: clang -analyze -checker-cfref -analyzer-store-region -verify %s
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#include <stdarg.h>
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//===----------------------------------------------------------------------===//
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// The following code is reduced using delta-debugging from
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// Foundation.h (Mac OS X).
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//
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// It includes the basic definitions for the test cases below.
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// Not directly including Foundation.h directly makes this test case
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// both svelte and portable to non-Mac platforms.
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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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@class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator;
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@protocol NSObject - (BOOL)isEqual:(id)object;
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@end @protocol NSCopying - (id)copyWithZone:(NSZone *)zone;
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@end @protocol NSMutableCopying - (id)mutableCopyWithZone:(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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extern id NSAllocateObject(Class aClass, NSUInteger extraBytes, NSZone *zone);
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@interface NSString : NSObject <NSCopying, NSMutableCopying, NSCoding>
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- (NSUInteger)length;
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+ (id)stringWithFormat:(NSString *)format, ...;
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@end
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@interface NSSimpleCString : NSString {} @end
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@interface NSConstantString : NSSimpleCString @end
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extern void *_NSConstantStringClassReference;
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typedef double NSTimeInterval;
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@interface NSDate : NSObject <NSCopying, NSCoding> - (NSTimeInterval)timeIntervalSinceReferenceDate; @end
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@class NSString, NSDictionary, NSArray;
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@interface NSException : NSObject <NSCopying, NSCoding> {}
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+ (NSException *)exceptionWithName:(NSString *)name reason:(NSString *)reason userInfo:(NSDictionary *)userInfo;
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- (void)raise;
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@end
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@interface NSException (NSExceptionRaisingConveniences)
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+ (void)raise:(NSString *)name format:(NSString *)format, ...;
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+ (void)raise:(NSString *)name format:(NSString *)format arguments:(va_list)argList;
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@end
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enum {NSPointerFunctionsStrongMemory = (0 << 0), NSPointerFunctionsZeroingWeakMemory = (1 << 0), NSPointerFunctionsOpaqueMemory = (2 << 0), NSPointerFunctionsMallocMemory = (3 << 0), NSPointerFunctionsMachVirtualMemory = (4 << 0), NSPointerFunctionsObjectPersonality = (0 << 8), NSPointerFunctionsOpaquePersonality = (1 << 8), NSPointerFunctionsObjectPointerPersonality = (2 << 8), NSPointerFunctionsCStringPersonality = (3 << 8), NSPointerFunctionsStructPersonality = (4 << 8), NSPointerFunctionsIntegerPersonality = (5 << 8), NSPointerFunctionsCopyIn = (1 << 16), };
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//===----------------------------------------------------------------------===//
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// Test cases.
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//===----------------------------------------------------------------------===//
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int f1(int *x, NSString* s) {
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if (x) ++x;
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[NSException raise:@"Blah" format:[NSString stringWithFormat:@"Blah %@", s]];
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return *x; // no-warning
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}
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int f2(int *x, ...) {
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if (x) ++x;
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va_list alist;
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va_start(alist, x);
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[NSException raise:@"Blah" format:@"Blah %@" arguments:alist];
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return *x; // no-warning
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}
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int f3(int* x) {
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if (x) ++x;
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[[NSException exceptionWithName:@"My Exception" reason:@"Want to test exceptions." userInfo:0] raise];
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return *x; // no-warning
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}
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