ChakraCore/lib/WasmReader/WasmElementSegment.h

//-------------------------------------------------------------------------------------------------------
// Copyright (C) Microsoft Corporation and contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
//-------------------------------------------------------------------------------------------------------

#pragma once

namespace Wasm
{

    class WasmElementSegment
    {
    public:
        WasmElementSegment(ArenaAllocator * alloc, const UINT32 index, const WasmNode initExpr, const UINT32 numElem);
        void AddElement(const UINT32 funcIndex, const Js::WebAssemblyModule& module);
        UINT32 GetElement(const UINT32 tableIndex) const;
        UINT32 GetNumElements() const { return m_numElem; }
        WasmNode GetOffsetExpr() const { return m_offsetExpr; }
    private:
        ArenaAllocator* m_alloc;
        UINT32 m_index;
        const WasmNode m_offsetExpr;
        UINT32 m_numElem;
        UINT32 m_offset;
        UINT32 m_elemIdx;
        UINT32* m_elems;

        void Init(const Js::WebAssemblyModule& module);
    };
} // Namespace Wasm