diff options
author | Zancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au> | 2012-09-24 09:58:17 +1000 |
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committer | Zancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au> | 2012-09-24 09:58:17 +1000 |
commit | 222e2a7620e6520ffaf4fc4e69d79c18da31542e (patch) | |
tree | 7bfbc05bfa3b41c8f9d2e56d53a0bc3e310df239 /clang/test/Analysis/NoReturn.m | |
parent | 3d206f03985b50beacae843d880bccdc91a9f424 (diff) |
Add the clang library to the repo (with some of my changes, too).
Diffstat (limited to 'clang/test/Analysis/NoReturn.m')
-rw-r--r-- | clang/test/Analysis/NoReturn.m | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/clang/test/Analysis/NoReturn.m b/clang/test/Analysis/NoReturn.m new file mode 100644 index 0000000..ea2efd0 --- /dev/null +++ b/clang/test/Analysis/NoReturn.m @@ -0,0 +1,78 @@ +// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core -analyzer-store=region -analyzer-constraints=basic -verify %s +// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core -analyzer-store=region -analyzer-constraints=range -verify %s + +#include <stdarg.h> + +//===----------------------------------------------------------------------===// +// The following code is reduced using delta-debugging from +// Foundation.h (Mac OS X). +// +// It includes the basic definitions for the test cases below. +// Not directly including Foundation.h directly makes this test case +// both svelte and portable to non-Mac platforms. +//===----------------------------------------------------------------------===// + +typedef signed char BOOL; +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> {} @end +extern id NSAllocateObject(Class aClass, NSUInteger extraBytes, NSZone *zone); +@interface NSString : NSObject <NSCopying, NSMutableCopying, NSCoding> +- (NSUInteger)length; ++ (id)stringWithFormat:(NSString *)format, ...; +@end +@interface NSSimpleCString : NSString {} @end +@interface NSConstantString : NSSimpleCString @end +extern void *_NSConstantStringClassReference; +typedef double NSTimeInterval; +@interface NSDate : NSObject <NSCopying, NSCoding> - (NSTimeInterval)timeIntervalSinceReferenceDate; @end +@class NSString, NSDictionary, NSArray; +@interface NSException : NSObject <NSCopying, NSCoding> {} ++ (NSException *)exceptionWithName:(NSString *)name reason:(NSString *)reason userInfo:(NSDictionary *)userInfo; +- (void)raise; +@end +@interface NSException (NSExceptionRaisingConveniences) ++ (void)raise:(NSString *)name format:(NSString *)format, ...; ++ (void)raise:(NSString *)name format:(NSString *)format arguments:(va_list)argList; +@end + +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), }; + +//===----------------------------------------------------------------------===// +// Test cases. +//===----------------------------------------------------------------------===// + +int f1(int *x, NSString* s) { + + if (x) ++x; + + [NSException raise:@"Blah" format:[NSString stringWithFormat:@"Blah %@", s]]; + + return *x; // no-warning +} + +int f2(int *x, ...) { + + if (x) ++x; + va_list alist; + va_start(alist, x); + + [NSException raise:@"Blah" format:@"Blah %@" arguments:alist]; + + return *x; // no-warning +} + +int f3(int* x) { + + if (x) ++x; + + [[NSException exceptionWithName:@"My Exception" reason:@"Want to test exceptions." userInfo:0] raise]; + + return *x; // no-warning +} + |