/* * Copyright (C) 2020 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 "FinalizationRegistryConstructor.h" #include "Error.h" #include "FinalizationRegistryPrototype.h" #include "IteratorOperations.h" #include "JSCInlines.h" #include "JSFinalizationRegistry.h" #include "JSGlobalObject.h" #include "JSObjectInlines.h" namespace JSC { const ClassInfo FinalizationRegistryConstructor::s_info = { "Function", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(FinalizationRegistryConstructor) }; void FinalizationRegistryConstructor::finishCreation(VM& vm, FinalizationRegistryPrototype* prototype) { Base::finishCreation(vm, 1, "FinalizationRegistry"_s, PropertyAdditionMode::WithoutStructureTransition); putDirectWithoutTransition(vm, vm.propertyNames->prototype, prototype, PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly); } static JSC_DECLARE_HOST_FUNCTION(callFinalizationRegistry); static JSC_DECLARE_HOST_FUNCTION(constructFinalizationRegistry); FinalizationRegistryConstructor::FinalizationRegistryConstructor(VM& vm, Structure* structure) : Base(vm, structure, callFinalizationRegistry, constructFinalizationRegistry) { } JSC_DEFINE_HOST_FUNCTION(callFinalizationRegistry, (JSGlobalObject* globalObject, CallFrame*)) { VM& vm = globalObject->vm(); auto scope = DECLARE_THROW_SCOPE(vm); return JSValue::encode(throwConstructorCannotBeCalledAsFunctionTypeError(globalObject, scope, "FinalizationRegistry")); } JSC_DEFINE_HOST_FUNCTION(constructFinalizationRegistry, (JSGlobalObject* globalObject, CallFrame* callFrame)) { VM& vm = globalObject->vm(); auto scope = DECLARE_THROW_SCOPE(vm); if (!callFrame->argument(0).isCallable(vm)) return throwVMTypeError(globalObject, scope, "First argument to FinalizationRegistry should be a function"_s); JSObject* newTarget = asObject(callFrame->newTarget()); Structure* finalizationRegistryStructure = callFrame->jsCallee() == newTarget ? globalObject->finalizationRegistryStructure() : InternalFunction::createSubclassStructure(globalObject, newTarget, getFunctionRealm(vm, newTarget)->finalizationRegistryStructure()); RETURN_IF_EXCEPTION(scope, encodedJSValue()); RELEASE_AND_RETURN(scope, JSValue::encode(JSFinalizationRegistry::create(vm, finalizationRegistryStructure, callFrame->uncheckedArgument(0).getObject()))); } }