74 lines
2.6 KiB
C++
74 lines
2.6 KiB
C++
/*
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* Copyright (C) 2020-2021 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "APICast.h"
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#include "ArgList.h"
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#include <wtf/CagedUniquePtr.h>
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#include <wtf/ForbidHeapAllocation.h>
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#include <wtf/Noncopyable.h>
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#include <wtf/Nonmovable.h>
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namespace JSC {
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class MarkedJSValueRefArray final : public BasicRawSentinelNode<MarkedJSValueRefArray> {
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WTF_MAKE_NONCOPYABLE(MarkedJSValueRefArray);
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WTF_MAKE_NONMOVABLE(MarkedJSValueRefArray);
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WTF_FORBID_HEAP_ALLOCATION;
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public:
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using BufferUniquePtr = CagedUniquePtr<Gigacage::JSValue, JSValueRef>;
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static constexpr size_t inlineCapacity = MarkedArgumentBuffer::inlineCapacity;
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JS_EXPORT_PRIVATE MarkedJSValueRefArray(JSGlobalContextRef, unsigned);
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JS_EXPORT_PRIVATE ~MarkedJSValueRefArray();
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size_t size() const { return m_size; }
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bool isEmpty() const { return !m_size; }
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JSValueRef& operator[](unsigned index) { return data()[index]; }
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const JSValueRef* data() const
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{
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return const_cast<MarkedJSValueRefArray*>(this)->data();
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}
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JSValueRef* data()
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{
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if (m_buffer)
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return m_buffer.get(m_size);
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return m_inlineBuffer;
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}
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template<typename Visitor> void visitAggregate(Visitor&);
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private:
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unsigned m_size;
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JSValueRef m_inlineBuffer[inlineCapacity] { };
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BufferUniquePtr m_buffer;
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};
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} // namespace JSC
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