forked from OSchip/llvm-project
135 lines
4.9 KiB
Objective-C
135 lines
4.9 KiB
Objective-C
// RUN: %clang_analyze_cc1 %s -verify \
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// RUN: -Wno-objc-root-class \
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// RUN: -analyzer-checker=core \
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// RUN: -analyzer-config core.CallAndMessage:FunctionPointer=false \
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// RUN: -analyzer-config core.CallAndMessage:ParameterCount=false \
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// RUN: -analyzer-config core.CallAndMessage:CXXThisMethodCall=false \
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// RUN: -analyzer-config core.CallAndMessage:CXXDeallocationArg=false \
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// RUN: -analyzer-config core.CallAndMessage:ArgInitializedness=false \
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// RUN: -analyzer-config core.CallAndMessage:ArgPointeeInitializedness=false \
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// RUN: -analyzer-config core.CallAndMessage:NilReceiver=false \
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// RUN: -analyzer-config core.CallAndMessage:UndefReceiver=true \
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// RUN: -analyzer-output=plist -o %t.plist
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// RUN: cat %t.plist | FileCheck %s
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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
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- (BOOL)isEqual:(id)object;
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@end
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@protocol NSCopying
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- (id)copyWithZone:(NSZone *)zone;
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@end
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@protocol NSMutableCopying
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- (id)mutableCopyWithZone:(NSZone *)zone;
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@end
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@protocol NSCoding
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- (void)encodeWithCoder:(NSCoder *)aCoder;
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@end
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@interface NSObject <NSObject> {
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}
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@end
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@class NSString, NSData;
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@class NSString, NSData, NSMutableData, NSMutableDictionary, NSMutableArray;
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typedef struct {
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} NSFastEnumerationState;
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@protocol NSFastEnumeration
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- (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(NSUInteger)len;
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@end
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@class NSData, NSIndexSet, NSString, NSURL;
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@interface NSArray : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration>
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- (NSUInteger)count;
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@end
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@interface NSArray (NSArrayCreation)
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+ (id)array;
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- (NSUInteger)length;
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- (void)addObject:(id)object;
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@end
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extern NSString *const NSUndoManagerCheckpointNotification;
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//===----------------------------------------------------------------------===//
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// Test cases.
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//===----------------------------------------------------------------------===//
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unsigned f1(void) {
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NSString *aString;
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return [aString length]; // expected-warning {{Receiver in message expression is an uninitialized value [core.CallAndMessage]}}
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}
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// TODO: If this hash ever changes, turn core.CallAndMessage:UndefReceiver from
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// a checker option into a checker, as described in the CallAndMessage comments!
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// CHECK: <key>issue_hash_content_of_line_in_context</key>
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// CHECK-SAME: <string>29873175e1cc0a98f7040057279925a0</string>
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@interface RDar9241180
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@property(readwrite, assign) id x;
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- (id)testAnalyzer1:(int)y;
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@end
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@implementation RDar9241180
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@synthesize x;
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- (id)testAnalyzer1:(int)y {
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RDar9241180 *o;
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if (y && o.x) // expected-warning {{Property access on an uninitialized object pointer [core.CallAndMessage]}}
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return o;
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// TODO: If this hash ever changes, turn core.CallAndMessage:UndefReceiver from
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// a checker option into a checker, as described in the CallAndMessage comments!
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// CHECK: <key>issue_hash_content_of_line_in_context</key>
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// CHECK-SAME: <string>00ddd30796a283de33e662da8449c796</string>
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return o; // expected-warning {{Undefined or garbage value returned to caller [core.uninitialized.UndefReturn]}}
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}
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@end
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// CHECK: <key>issue_hash_content_of_line_in_context</key>
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// CHECK-SAME: <string>8d468e24df7d887f4182bf49f5dd8b71</string>
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typedef signed char BOOL;
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typedef unsigned int NSUInteger;
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@interface Subscriptable : NSObject
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- (void)setObject:(id)obj atIndexedSubscript:(NSUInteger)index;
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- (id)objectAtIndexedSubscript:(NSUInteger)index;
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- (void)setObject:(id)obj forKeyedSubscript:(id)key;
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- (id)objectForKeyedSubscript:(id)key;
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@end
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@interface Test : Subscriptable
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@end
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@implementation Test
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// <rdar://problem/9241180> for subscripting
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- (id)testUninitializedObject:(BOOL)keyed {
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Test *o;
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if (keyed) {
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if (o[self]) // expected-warning {{Subscript access on an uninitialized object pointer [core.CallAndMessage]}}
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return o; // no-warning (sink)
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} else {
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if (o[0]) // expected-warning {{Subscript access on an uninitialized object pointer [core.CallAndMessage]}}
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return o; // no-warning (sink)
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}
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return self;
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}
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@end
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// TODO: If this hash ever changes, turn core.CallAndMessage:UndefReceiver from
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// a checker option into a checker, as described in the CallAndMessage comments!
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// CHECK: <key>issue_hash_content_of_line_in_context</key>
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// CHECK-SAME: <string>8d943563d78377fc5dfcd4fdde904e5e</string>
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// CHECK: <key>issue_hash_content_of_line_in_context</key>
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// CHECK-SAME: <string>9a2a9698763d62bed38d91fe5fb4aefd</string>
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