// RUN: %clang_analyze_cc1 -analyzer-checker=core,osx.cocoa.RetainCount,alpha.core -verify %s -analyzer-store=region // expected-no-diagnostics typedef struct objc_selector *SEL; typedef signed char BOOL; typedef int NSInteger; typedef unsigned int NSUInteger; typedef struct _NSZone NSZone; @class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator; @protocol NSObject - (BOOL)isEqual:(id)object; @end @protocol NSCopying - (id)copyWithZone:(NSZone *)zone; @end @protocol NSMutableCopying - (id)mutableCopyWithZone:(NSZone *)zone; @end @protocol NSCoding - (void)encodeWithCoder:(NSCoder *)aCoder; @end @interface NSObject <NSObject> {} - (id)init; @end extern id NSAllocateObject(Class aClass, NSUInteger extraBytes, NSZone *zone); @interface NSString : NSObject <NSCopying, NSMutableCopying, NSCoding> - (NSUInteger)length; + (id)stringWithUTF8String:(const char *)nullTerminatedCString; @end extern NSString * const NSBundleDidLoadNotification; @interface NSAssertionHandler : NSObject {} + (NSAssertionHandler *)currentHandler; - (void)handleFailureInMethod:(SEL)selector object:(id)object file:(NSString *)fileName lineNumber:(NSInteger)line description:(NSString *)format,...; - (void)handleFailureInFunction:(NSString *)functionName file:(NSString *)fileName lineNumber:(NSInteger)line description:(NSString *)format,...; @end extern NSString * const NSConnectionReplyMode; //----------------------------------------------------------------------------// // The following test case was filed in PR 2593: // http://llvm.org/bugs/show_bug.cgi?id=2593 // // There should be no null dereference flagged by the checker because of // NSParameterAssert and NSAssert. @interface TestAssert : NSObject {} @end @implementation TestAssert - (id)initWithPointer: (int*)x { // Expansion of: NSParameterAssert( x != 0 ); do { if (!((x != 0))) { [[NSAssertionHandler currentHandler] handleFailureInMethod:_cmd object:self file:[NSString stringWithUTF8String:"CFRetainRelease_NSAssertionHandler.m"] lineNumber:21 description:(@"Invalid parameter not satisfying: %s"), ("x != 0"), (0), (0), (0), (0)]; } } while(0); if( (self = [super init]) != 0 ) { *x = 1; // no-warning } return self; } - (id)initWithPointer2: (int*)x { // Expansion of: NSAssert( x != 0, @"" ); do { if (!((x != 0))) { [[NSAssertionHandler currentHandler] handleFailureInMethod:_cmd object:self file:[NSString stringWithUTF8String:"CFRetainRelease_NSAssertionHandler.m"] lineNumber:33 description:((@"")), (0), (0), (0), (0), (0)]; } } while(0); if( (self = [super init]) != 0 ) { *x = 1; // no-warning } return self; } @end void pointerFunction (int *x) { // Manual expansion of NSCAssert( x != 0, @"") do { if (!((x != 0))) { [[NSAssertionHandler currentHandler] handleFailureInFunction:[NSString stringWithUTF8String:__PRETTY_FUNCTION__] file:[NSString stringWithUTF8String:__FILE__] lineNumber:__LINE__ description:((@""))]; } } while(0); *x = 1; // no-warning } |