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/*
* Copyright (C) 2007-2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "JSNodeList.h"
#include "ChildNodeList.h"
#include "JSNode.h"
#include "LiveNodeList.h"
#include "Node.h"
#include "NodeList.h"
#include "WebCoreOpaqueRootInlines.h"
#include <wtf/text/AtomString.h>
namespace WebCore {
using namespace JSC;
bool JSNodeListOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, AbstractSlotVisitor& visitor, ASCIILiteral* reason)
{
JSNodeList* jsNodeList = jsCast<JSNodeList*>(handle.slot()->asCell());
if (!jsNodeList->hasCustomProperties())
return false;
if (jsNodeList->wrapped().isLiveNodeList()) {
if (UNLIKELY(reason))
*reason = "LiveNodeList owner is opaque root"_s;
return containsWebCoreOpaqueRoot(visitor, static_cast<LiveNodeList&>(jsNodeList->wrapped()).ownerNode());
}
if (jsNodeList->wrapped().isChildNodeList()) {
if (UNLIKELY(reason))
*reason = "ChildNodeList owner is opaque root"_s;
return containsWebCoreOpaqueRoot(visitor, static_cast<ChildNodeList&>(jsNodeList->wrapped()).ownerNode());
}
if (jsNodeList->wrapped().isEmptyNodeList()) {
if (UNLIKELY(reason))
*reason = "EmptyNodeList owner is opaque root"_s;
return containsWebCoreOpaqueRoot(visitor, static_cast<EmptyNodeList&>(jsNodeList->wrapped()).ownerNode());
}
return false;
}
JSC::JSValue createWrapper(JSDOMGlobalObject& globalObject, Ref<NodeList>&& nodeList)
{
// FIXME: Adopt reportExtraMemoryVisited, and switch to reportExtraMemoryAllocated.
// https://bugs.webkit.org/show_bug.cgi?id=142595
globalObject.vm().heap.deprecatedReportExtraMemory(nodeList->memoryCost());
return createWrapper<NodeList>(&globalObject, WTFMove(nodeList));
}
JSC::JSValue toJSNewlyCreated(JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<NodeList>&& nodeList)
{
return createWrapper(*globalObject, WTFMove(nodeList));
}
} // namespace WebCore
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