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/*
* Copyright (C) 2016-2019 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
#if ENABLE(WEBASSEMBLY)
#include "JSObject.h"
#include "WasmLimits.h"
#include "WasmTable.h"
#include "WebAssemblyWrapperFunction.h"
#include "WebAssemblyFunction.h"
#include <wtf/MallocPtr.h>
#include <wtf/Ref.h>
namespace JSC {
class JSWebAssemblyTable final : public JSNonFinalObject {
public:
using Base = JSNonFinalObject;
static constexpr bool needsDestruction = true;
static void destroy(JSCell*);
template<typename CellType, SubspaceAccess mode>
static IsoSubspace* subspaceFor(VM& vm)
{
return vm.webAssemblyTableSpace<mode>();
}
static JSWebAssemblyTable* tryCreate(JSGlobalObject*, VM&, Structure*, Ref<Wasm::Table>&&);
static Structure* createStructure(VM&, JSGlobalObject*, JSValue);
DECLARE_INFO;
static bool isValidLength(uint32_t length) { return Wasm::Table::isValidLength(length); }
Optional<uint32_t> maximum() const { return m_table->maximum(); }
uint32_t length() const { return m_table->length(); }
uint32_t allocatedLength() const { return m_table->allocatedLength(length()); }
bool grow(uint32_t delta) WARN_UNUSED_RETURN;
JSValue get(uint32_t);
void set(uint32_t, WebAssemblyFunction*);
void set(uint32_t, WebAssemblyWrapperFunction*);
void set(uint32_t, JSValue);
void clear(uint32_t);
Wasm::Table* table() { return m_table.ptr(); }
private:
JSWebAssemblyTable(VM&, Structure*, Ref<Wasm::Table>&&);
void finishCreation(VM&);
static void visitChildren(JSCell*, SlotVisitor&);
Ref<Wasm::Table> m_table;
};
} // namespace JSC
#endif // ENABLE(WEBASSEMBLY)