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/*
* 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)