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/*
* Copyright (C) 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 "JSIteratorHelper.h"
#include "JSCInlines.h"
#include "JSInternalFieldObjectImplInlines.h"
namespace JSC {
const ClassInfo JSIteratorHelper::s_info = { "Iterator Helper"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSIteratorHelper) };
void JSIteratorHelper::finishCreation(VM& vm, JSValue generator, JSValue underlyingIterator)
{
Base::finishCreation(vm);
internalField(Field::Generator).set(vm, this, generator);
internalField(Field::UnderlyingIterator).set(vm, this, underlyingIterator);
}
JSIteratorHelper* JSIteratorHelper::createWithInitialValues(VM& vm, Structure* structure)
{
auto values = initialValues();
JSIteratorHelper* result = new (NotNull, allocateCell<JSIteratorHelper>(vm)) JSIteratorHelper(vm, structure);
result->finishCreation(vm, values[0], values[1]);
return result;
}
JSIteratorHelper* JSIteratorHelper::create(VM& vm, Structure* structure, JSValue generator, JSValue underlyingIterator)
{
ASSERT(generator.isObject() && (underlyingIterator.isObject() || underlyingIterator.isNull()));
JSIteratorHelper* result = new (NotNull, allocateCell<JSIteratorHelper>(vm)) JSIteratorHelper(vm, structure);
result->finishCreation(vm, generator, underlyingIterator);
return result;
}
Structure* JSIteratorHelper::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
return Structure::create(vm, globalObject, prototype, TypeInfo(JSIteratorHelperType, StructureFlags), info());
}
JSIteratorHelper::JSIteratorHelper(VM& vm, Structure* structure)
: Base(vm, structure)
{
}
template<typename Visitor>
void JSIteratorHelper::visitChildrenImpl(JSCell* cell, Visitor& visitor)
{
auto* thisObject = jsCast<JSIteratorHelper*>(cell);
ASSERT_GC_OBJECT_INHERITS(thisObject, info());
Base::visitChildren(thisObject, visitor);
}
DEFINE_VISIT_CHILDREN(JSIteratorHelper);
JSC_DEFINE_HOST_FUNCTION(iteratorHelperPrivateFuncCreate, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
return JSValue::encode(JSIteratorHelper::create(globalObject->vm(), globalObject->iteratorHelperStructure(), callFrame->uncheckedArgument(0), callFrame->uncheckedArgument(1)));
}
} // namespace JSC
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