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/*
* Copyright (C) 2019 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 "WeakObjectRefConstructor.h"
#include "Error.h"
#include "IteratorOperations.h"
#include "JSCInlines.h"
#include "JSGlobalObject.h"
#include "JSObjectInlines.h"
#include "JSWeakObjectRef.h"
#include "WeakObjectRefPrototype.h"
namespace JSC {
const ClassInfo WeakObjectRefConstructor::s_info = { "Function", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(WeakObjectRefConstructor) };
void WeakObjectRefConstructor::finishCreation(VM& vm, WeakObjectRefPrototype* prototype)
{
Base::finishCreation(vm, "WeakRef"_s, NameVisibility::Visible, NameAdditionMode::WithoutStructureTransition);
putDirectWithoutTransition(vm, vm.propertyNames->prototype, prototype, PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly);
putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(1), PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly);
}
static EncodedJSValue JSC_HOST_CALL callWeakRef(ExecState*);
static EncodedJSValue JSC_HOST_CALL constructWeakRef(ExecState*);
WeakObjectRefConstructor::WeakObjectRefConstructor(VM& vm, Structure* structure)
: Base(vm, structure, callWeakRef, constructWeakRef)
{
}
static EncodedJSValue JSC_HOST_CALL callWeakRef(ExecState* exec)
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
return JSValue::encode(throwConstructorCannotBeCalledAsFunctionTypeError(exec, scope, "WeakRef"));
}
static EncodedJSValue JSC_HOST_CALL constructWeakRef(ExecState* exec)
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
if (!exec->argument(0).isObject())
return throwVMTypeError(exec, scope, "First argument to WeakRef should be an object"_s);
JSGlobalObject* globalObject = jsCast<InternalFunction*>(exec->jsCallee())->globalObject(vm);
Structure* WeakObjectRefStructure = InternalFunction::createSubclassStructure(exec, exec->newTarget(), globalObject->weakObjectRefStructure());
RETURN_IF_EXCEPTION(scope, encodedJSValue());
RELEASE_AND_RETURN(scope, JSValue::encode(JSWeakObjectRef::create(vm, WeakObjectRefStructure, exec->uncheckedArgument(0).getObject())));
}
}