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// RUN: %clang_analyze_cc1 -analyzer-checker=core,osx.cocoa.RetainCount,alpha.core,deadcode.DeadStores -analyzer-store=region -verify %s
// These declarations were reduced using Delta-Debugging from Foundation.h
// on Mac OS X. The test cases are below.
typedef struct objc_selector *SEL;
typedef signed char BOOL;
typedef unsigned int NSUInteger;
@class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator;
@protocol NSObject
- (BOOL)isEqual:(id)object;
- (id)retain;
@end
@protocol NSCoding - (void)encodeWithCoder:(NSCoder *)aCoder;
@end
@interface NSObject <NSObject> {}
+ (id)alloc;
@end
typedef float CGFloat;
typedef struct _NSPoint {} NSRect;
NSRect NSMakeRect(CGFloat x, CGFloat y, CGFloat w, CGFloat h);
enum { NSBackingStoreRetained = 0, NSBackingStoreNonretained = 1, NSBackingStoreBuffered = 2 };
typedef NSUInteger NSBackingStoreType;
@interface NSResponder : NSObject <NSCoding> {}
@end
@protocol NSAnimatablePropertyContainer
- (id)animator;
@end
extern NSString *NSAnimationTriggerOrderIn ;
@class CIFilter, CALayer, NSDictionary, NSScreen, NSShadow, NSTrackingArea;
@interface NSView : NSResponder <NSAnimatablePropertyContainer> {} @end
@protocol NSValidatedUserInterfaceItem - (SEL)action; @end
@protocol NSUserInterfaceValidations - (BOOL)validateUserInterfaceItem:(id <NSValidatedUserInterfaceItem>)anItem; @end @class NSNotification, NSText, NSView, NSMutableSet, NSSet, NSDate;
enum { NSBorderlessWindowMask = 0, NSTitledWindowMask = 1 << 0, NSClosableWindowMask = 1 << 1, NSMiniaturizableWindowMask = 1 << 2, NSResizableWindowMask = 1 << 3 };
@interface NSWindow : NSResponder <NSAnimatablePropertyContainer, NSUserInterfaceValidations> {
struct __wFlags {} _wFlags;
}
- (id)initWithContentRect:(NSRect)contentRect styleMask:(NSUInteger)aStyle backing:(NSBackingStoreType)bufferingType defer:(BOOL)flag;
- (id)initWithContentRect:(NSRect)contentRect styleMask:(NSUInteger)aStyle backing:(NSBackingStoreType)bufferingType defer:(BOOL)flag screen:(NSScreen *)screen;
- (void)orderFrontRegardless;
@end
extern NSString *NSWindowDidBecomeKeyNotification;
// Test cases.
void f1() {
NSWindow *window = [[NSWindow alloc]
initWithContentRect:NSMakeRect(0,0,100,100)
styleMask:NSTitledWindowMask|NSClosableWindowMask
backing:NSBackingStoreBuffered
defer:0];
[window orderFrontRegardless]; // no-warning
}
void f2() {
NSWindow *window = [[NSWindow alloc]
initWithContentRect:NSMakeRect(0,0,100,100)
styleMask:NSTitledWindowMask|NSClosableWindowMask
backing:NSBackingStoreBuffered
defer:0
screen:0];
[window orderFrontRegardless]; // no-warning
}
void f2b() {
// FIXME: NSWindow doesn't own itself until it is displayed.
NSWindow *window = [[NSWindow alloc] // no-warning
initWithContentRect:NSMakeRect(0,0,100,100)
styleMask:NSTitledWindowMask|NSClosableWindowMask
backing:NSBackingStoreBuffered
defer:0
screen:0];
[window orderFrontRegardless];
[window retain];
}
void f3() {
// FIXME: For now we don't track NSWindow.
NSWindow *window = [NSWindow alloc]; // expected-warning{{never read}}
}
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