scoped_nsautorelease_pool.cc

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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#include "flutter/fml/platform/darwin/scoped_nsautorelease_pool.h"
 
#include <objc/message.h>
#include <objc/runtime.h>
 
namespace {
typedef id (*msg_send)(void*, SEL);
}  // anonymous namespace
 
namespace fml {
 
ScopedNSAutoreleasePool::ScopedNSAutoreleasePool() {
  autorelease_pool_ = reinterpret_cast<msg_send>(objc_msgSend)(
      objc_getClass("NSAutoreleasePool"), sel_getUid("new"));
}
 
ScopedNSAutoreleasePool::~ScopedNSAutoreleasePool() {
  reinterpret_cast<msg_send>(objc_msgSend)(autorelease_pool_,
                                           sel_getUid("drain"));
}
 
}  // namespace fml