1/*
2 * Copyright (C) 2012, 2016 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "CellContainerInlines.h"
29#include "MarkedBlock.h"
30
31namespace JSC {
32
33inline WeakImpl* WeakSet::allocate(JSValue jsValue, WeakHandleOwner* weakHandleOwner, void* context)
34{
35 CellContainer container = jsValue.asCell()->cellContainer();
36 WeakSet& weakSet = container.weakSet();
37 WeakBlock::FreeCell* allocator = weakSet.m_allocator;
38 if (UNLIKELY(!allocator))
39 allocator = weakSet.findAllocator(container);
40 weakSet.m_allocator = allocator->next;
41
42 WeakImpl* weakImpl = WeakBlock::asWeakImpl(allocator);
43 return new (NotNull, weakImpl) WeakImpl(jsValue, weakHandleOwner, context);
44}
45
46inline void WeakBlock::finalize(WeakImpl* weakImpl)
47{
48 ASSERT(weakImpl->state() == WeakImpl::Dead);
49 weakImpl->setState(WeakImpl::Finalized);
50 WeakHandleOwner* weakHandleOwner = weakImpl->weakHandleOwner();
51 if (!weakHandleOwner)
52 return;
53 weakHandleOwner->finalize(Handle<Unknown>::wrapSlot(&const_cast<JSValue&>(weakImpl->jsValue())), weakImpl->context());
54}
55
56} // namespace JSC
57