infer_clone/infer/tests/codetoanalyze/objc/warnings/ParameterNotNullableExample.m

/*
 * Copyright (c) 2015 - present Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */

#import <Foundation/NSObject.h>

typedef struct { int queue; } FBAudioRecordState;

@interface FBAudioRecorder : NSObject

@property(nonatomic, assign) id delegate;
@property(nonatomic, assign) FBAudioRecordState* recordState;
@property(nonatomic, assign) FBAudioRecorder* recorder;

@end

@implementation FBAudioRecorder {
  int x;
}

- (int)FBAudioInputCallbackSimple:(FBAudioRecorder*)rec {
  FBAudioRecordState* recordState = rec.recordState;
  return recordState->queue;
}

- (int)FBAudioInputCallbackSimpleAliasing:(FBAudioRecorder*)userdata {
  FBAudioRecorder* recorder = userdata;
  FBAudioRecordState* recordState = recorder.recordState;
  return recordState->queue;
}

- (int)FBAudioInputCallbackField {
  FBAudioRecordState* recordState = _recorder->_recorder.recordState;
  return recordState->queue;
}

- (int)FBAudioInputCallbackChain:(FBAudioRecorder*)rec {
  FBAudioRecordState* recordState = rec.recorder.recordState;
  return recordState->queue;
}

- (int)test {
  FBAudioRecorder* rec = nil;
  FBAudioRecordState* recordState = rec.recordState;
  return recordState->queue;
}

- (instancetype)init {
  self = [super init];
  self->x = 0;
  return self;
}

@end