| /* |
| * Copyright (C) 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. |
| */ |
| |
| #include "config.h" |
| #include "JSWebAssemblyException.h" |
| |
| #if ENABLE(WEBASSEMBLY) |
| |
| #include "AuxiliaryBarrierInlines.h" |
| #include "JSBigInt.h" |
| #include "JSCJSValueInlines.h" |
| #include "JSCellInlines.h" |
| #include "JSWebAssemblyHelpers.h" |
| |
| namespace JSC { |
| |
| const ClassInfo JSWebAssemblyException::s_info = { "WebAssembly.Exception", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSWebAssemblyException) }; |
| |
| JSWebAssemblyException::JSWebAssemblyException(VM& vm, Structure* structure, const Wasm::Tag& tag, FixedVector<uint64_t>&& payload) |
| : Base(vm, structure) |
| , m_tag(Ref { tag }) |
| , m_payload(WTFMove(payload)) |
| { |
| } |
| |
| void JSWebAssemblyException::finishCreation(VM& vm) |
| { |
| Base::finishCreation(vm); |
| ASSERT(inherits(vm, info())); |
| } |
| |
| template<typename Visitor> |
| void JSWebAssemblyException::visitChildrenImpl(JSCell* cell, Visitor& visitor) |
| { |
| Base::visitChildren(cell, visitor); |
| |
| auto* exception = jsCast<JSWebAssemblyException*>(cell); |
| const Wasm::Signature& signature = exception->tag().signature(); |
| for (unsigned i = 0; i < signature.argumentCount(); ++i) { |
| if (isRefType(signature.argument(i))) |
| visitor.append(bitwise_cast<WriteBarrier<Unknown>>(exception->payload()[i])); |
| } |
| } |
| |
| DEFINE_VISIT_CHILDREN(JSWebAssemblyException); |
| |
| void JSWebAssemblyException::destroy(JSCell* cell) |
| { |
| static_cast<JSWebAssemblyException*>(cell)->JSWebAssemblyException::~JSWebAssemblyException(); |
| } |
| |
| JSValue JSWebAssemblyException::getArg(JSGlobalObject* globalObject, unsigned i) const |
| { |
| const Wasm::Signature& signature = tag().signature(); |
| ASSERT(i < signature.argumentCount()); |
| return toJSValue(globalObject, signature.argument(i), payload()[i]); |
| } |
| |
| } // namespace JSC |
| |
| #endif // ENABLE(WEBASSEMBLY) |