darling-JavaScriptCore/runtime/FinalizationRegistryConstructor.cpp

82 lines
3.6 KiB
C++

/*
* 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())));
}
}