You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
68 lines
1.0 KiB
68 lines
1.0 KiB
/*
|
|
* Copyright (c) Facebook, Inc. and its affiliates.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*/
|
|
#import <Foundation/NSObject.h>
|
|
|
|
@class Tracer;
|
|
|
|
struct _State {
|
|
Tracer* tracer;
|
|
|
|
virtual ~_State() { tracer = nil; }
|
|
};
|
|
|
|
@interface Animation : NSObject
|
|
- (Tracer*)tracer;
|
|
@end
|
|
|
|
@interface Animation () {
|
|
@public
|
|
struct _State* _state;
|
|
}
|
|
|
|
@end
|
|
|
|
@interface Tracer : NSObject
|
|
- (instancetype)initWithAnimation:(Animation*)a;
|
|
@end
|
|
|
|
@implementation Animation
|
|
|
|
- (Tracer*)tracer {
|
|
_state = new _State();
|
|
_state->tracer = [[Tracer alloc] initWithAnimation:self];
|
|
return _state->tracer;
|
|
}
|
|
|
|
- (void)dealloc {
|
|
NSLog(@"dealloc Animation");
|
|
}
|
|
|
|
@end
|
|
|
|
@implementation Tracer {
|
|
_State* _state;
|
|
}
|
|
|
|
- (id)initWithAnimation:(Animation*)a {
|
|
self = [super init];
|
|
if (nil != self) {
|
|
_state = a->_state;
|
|
}
|
|
return self;
|
|
}
|
|
|
|
- (void)dealloc {
|
|
NSLog(@"dealloc Tracer");
|
|
}
|
|
@end
|
|
|
|
int main_bad() {
|
|
Animation* a = [Animation new];
|
|
Tracer* tracer = [a tracer];
|
|
return 0;
|
|
}
|