| /* |
| * Copyright (C) 2016-2021 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 |
| |
| #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); } |
| std::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, JSValue defaultValue) WARN_UNUSED_RETURN; |
| JSValue get(uint32_t); |
| void set(uint32_t, WebAssemblyFunctionBase*); |
| void set(uint32_t, JSValue); |
| void clear(uint32_t); |
| JSObject* type(JSGlobalObject*); |
| |
| Wasm::Table* table() { return m_table.ptr(); } |
| |
| private: |
| JSWebAssemblyTable(VM&, Structure*, Ref<Wasm::Table>&&); |
| void finishCreation(VM&); |
| DECLARE_VISIT_CHILDREN; |
| |
| Ref<Wasm::Table> m_table; |
| }; |
| |
| } // namespace JSC |
| |
| #endif // ENABLE(WEBASSEMBLY) |