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/*
* Copyright (C) 2020-2021 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.
*/
#pragma once
#include "APICast.h"
#include "ArgList.h"
#include <wtf/CagedUniquePtr.h>
#include <wtf/ForbidHeapAllocation.h>
#include <wtf/Noncopyable.h>
#include <wtf/Nonmovable.h>
namespace JSC {
class MarkedJSValueRefArray final : public BasicRawSentinelNode<MarkedJSValueRefArray> {
WTF_MAKE_NONCOPYABLE(MarkedJSValueRefArray);
WTF_MAKE_NONMOVABLE(MarkedJSValueRefArray);
WTF_FORBID_HEAP_ALLOCATION;
public:
using BufferUniquePtr = CagedUniquePtr<Gigacage::JSValue, JSValueRef>;
static constexpr size_t inlineCapacity = MarkedArgumentBuffer::inlineCapacity;
JS_EXPORT_PRIVATE MarkedJSValueRefArray(JSGlobalContextRef, unsigned);
JS_EXPORT_PRIVATE ~MarkedJSValueRefArray();
size_t size() const { return m_size; }
bool isEmpty() const { return !m_size; }
JSValueRef& operator[](unsigned index) { return data()[index]; }
const JSValueRef* data() const
{
return const_cast<MarkedJSValueRefArray*>(this)->data();
}
JSValueRef* data()
{
if (m_buffer)
return m_buffer.get(m_size);
return m_inlineBuffer;
}
template<typename Visitor> void visitAggregate(Visitor&);
private:
unsigned m_size;
JSValueRef m_inlineBuffer[inlineCapacity] { };
BufferUniquePtr m_buffer;
};
} // namespace JSC
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