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/*
* Copyright (C) 2013-2024 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 "JSSetIterator.h"
#include "JSCInlines.h"
#include "JSInternalFieldObjectImplInlines.h"
#include "JSSet.h"
namespace JSC {
const ClassInfo JSSetIterator::s_info = { "Set Iterator"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSSetIterator) };
JSSetIterator* JSSetIterator::createWithInitialValues(VM& vm, Structure* structure)
{
JSSetIterator* iterator = new (NotNull, allocateCell<JSSetIterator>(vm)) JSSetIterator(vm, structure);
iterator->finishCreation(vm);
return iterator;
}
void JSSetIterator::finishCreation(JSGlobalObject* globalObject, JSSet* iteratedObject, IterationKind kind)
{
VM& vm = getVM(globalObject);
auto scope = DECLARE_THROW_SCOPE(vm);
Base::finishCreation(vm);
setEntry(vm, 0);
setIteratedObject(vm, iteratedObject);
JSCell* storage = iteratedObject->storage(globalObject);
RETURN_IF_EXCEPTION(scope, void());
setStorage(vm, storage);
internalField(Field::Kind).set(vm, this, jsNumber(static_cast<int32_t>(kind)));
}
void JSSetIterator::finishCreation(VM& vm)
{
Base::finishCreation(vm);
auto values = initialValues();
for (unsigned index = 0; index < values.size(); ++index)
Base::internalField(index).set(vm, this, values[index]);
}
template<typename Visitor>
void JSSetIterator::visitChildrenImpl(JSCell* cell, Visitor& visitor)
{
auto* thisObject = jsCast<JSSetIterator*>(cell);
ASSERT_GC_OBJECT_INHERITS(thisObject, info());
Base::visitChildren(thisObject, visitor);
}
DEFINE_VISIT_CHILDREN(JSSetIterator);
JSC_DEFINE_HOST_FUNCTION(setIteratorPrivateFuncSetIteratorNext, (JSGlobalObject * globalObject, CallFrame* callFrame))
{
ASSERT(callFrame->argument(0).isCell());
VM& vm = globalObject->vm();
JSCell* cell = callFrame->uncheckedArgument(0).asCell();
if (cell == vm.orderedHashTableSentinel())
return JSValue::encode(cell);
JSSetIterator* iterator = jsCast<JSSetIterator*>(cell);
return JSValue::encode(iterator->next(vm));
}
JSC_DEFINE_HOST_FUNCTION(setIteratorPrivateFuncSetIteratorKey, (JSGlobalObject * globalObject, CallFrame* callFrame))
{
ASSERT(callFrame->argument(0).isCell());
VM& vm = globalObject->vm();
JSCell* cell = callFrame->uncheckedArgument(0).asCell();
if (cell == vm.orderedHashTableSentinel())
return JSValue::encode(cell);
JSSetIterator* iterator = jsCast<JSSetIterator*>(cell);
return JSValue::encode(iterator->nextKey(vm));
}
}
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