1 // RUN: %clang_cc1 -analyze -analyzer-checker=core,core.experimental -analyzer-store=basic -analyzer-constraints=basic -verify %s 2 // RUN: %clang_cc1 -analyze -analyzer-checker=core,core.experimental -analyzer-store=basic -analyzer-constraints=range -verify %s 3 // RUN: %clang_cc1 -analyze -analyzer-checker=core,core.experimental -analyzer-store=region -analyzer-constraints=basic -verify %s 4 // RUN: %clang_cc1 -analyze -analyzer-checker=core,core.experimental -analyzer-store=region -analyzer-constraints=range -verify %s 5 6 #include <stdarg.h> 7 8 //===----------------------------------------------------------------------===// 9 // The following code is reduced using delta-debugging from 10 // Foundation.h (Mac OS X). 11 // 12 // It includes the basic definitions for the test cases below. 13 // Not directly including Foundation.h directly makes this test case 14 // both svelte and portable to non-Mac platforms. 15 //===----------------------------------------------------------------------===// 16 17 typedef signed char BOOL; 18 typedef unsigned int NSUInteger; 19 typedef struct _NSZone NSZone; 20 @class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator; 21 @protocol NSObject - (BOOL)isEqual:(id)object; 22 @end @protocol NSCopying - (id)copyWithZone:(NSZone *)zone; 23 @end @protocol NSMutableCopying - (id)mutableCopyWithZone:(NSZone *)zone; @end 24 @protocol NSCoding - (void)encodeWithCoder:(NSCoder *)aCoder; @end 25 @interface NSObject <NSObject> {} @end 26 extern id NSAllocateObject(Class aClass, NSUInteger extraBytes, NSZone *zone); 27 @interface NSString : NSObject <NSCopying, NSMutableCopying, NSCoding> 28 - (NSUInteger)length; 29 + (id)stringWithFormat:(NSString *)format, ...; 30 @end 31 @interface NSSimpleCString : NSString {} @end 32 @interface NSConstantString : NSSimpleCString @end 33 extern void *_NSConstantStringClassReference; 34 typedef double NSTimeInterval; 35 @interface NSDate : NSObject <NSCopying, NSCoding> - (NSTimeInterval)timeIntervalSinceReferenceDate; @end 36 @class NSString, NSDictionary, NSArray; 37 @interface NSException : NSObject <NSCopying, NSCoding> {} 38 + (NSException *)exceptionWithName:(NSString *)name reason:(NSString *)reason userInfo:(NSDictionary *)userInfo; 39 - (void)raise; 40 @end 41 @interface NSException (NSExceptionRaisingConveniences) 42 + (void)raise:(NSString *)name format:(NSString *)format, ...; 43 + (void)raise:(NSString *)name format:(NSString *)format arguments:(va_list)argList; 44 @end 45 46 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), }; 47 48 //===----------------------------------------------------------------------===// 49 // Test cases. 50 //===----------------------------------------------------------------------===// 51 52 int f1(int *x, NSString* s) { 53 54 if (x) ++x; 55 56 [NSException raise:@"Blah" format:[NSString stringWithFormat:@"Blah %@", s]]; 57 58 return *x; // no-warning 59 } 60 61 int f2(int *x, ...) { 62 63 if (x) ++x; 64 va_list alist; 65 va_start(alist, x); 66 67 [NSException raise:@"Blah" format:@"Blah %@" arguments:alist]; 68 69 return *x; // no-warning 70 } 71 72 int f3(int* x) { 73 74 if (x) ++x; 75 76 [[NSException exceptionWithName:@"My Exception" reason:@"Want to test exceptions." userInfo:0] raise]; 77 78 return *x; // no-warning 79 } 80 81
