darling-JavaScriptCore/runtime/JSProxy.cpp

/*
 * Copyright (C) 2011-2012, 2016-2017 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``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 ITS CONTRIBUTORS
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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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#include "config.h"
#include "JSProxy.h"

#include "JSGlobalObject.h"
#include "StructureInlines.h"

namespace JSC {

STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(JSProxy);

const ClassInfo JSProxy::s_info = { "JSProxy", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSProxy) };

void JSProxy::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
    JSProxy* thisObject = jsCast<JSProxy*>(cell);
    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
    Base::visitChildren(thisObject, visitor);
    visitor.append(thisObject->m_target);
}

void JSProxy::setTarget(VM& vm, JSGlobalObject* globalObject)
{
    m_target.set(vm, this, globalObject);
    setPrototypeDirect(vm, globalObject->getPrototypeDirect(vm));
}

String JSProxy::className(const JSObject* object, VM& vm)
{
    const JSProxy* thisObject = jsCast<const JSProxy*>(object);
    return thisObject->target()->methodTable(vm)->className(thisObject->target(), vm);
}

String JSProxy::toStringName(const JSObject* object, JSGlobalObject* globalObject)
{
    const JSProxy* thisObject = jsCast<const JSProxy*>(object);
    return thisObject->target()->methodTable(globalObject->vm())->toStringName(thisObject->target(), globalObject);
}

bool JSProxy::getOwnPropertySlot(JSObject* object, JSGlobalObject* globalObject, PropertyName propertyName, PropertySlot& slot)
{
    JSProxy* thisObject = jsCast<JSProxy*>(object);
    return thisObject->target()->methodTable(globalObject->vm())->getOwnPropertySlot(thisObject->target(), globalObject, propertyName, slot);
}

bool JSProxy::getOwnPropertySlotByIndex(JSObject* object, JSGlobalObject* globalObject, unsigned propertyName, PropertySlot& slot)
{
    JSProxy* thisObject = jsCast<JSProxy*>(object);
    return thisObject->target()->methodTable(globalObject->vm())->getOwnPropertySlotByIndex(thisObject->target(), globalObject, propertyName, slot);
}

bool JSProxy::put(JSCell* cell, JSGlobalObject* globalObject, PropertyName propertyName, JSValue value, PutPropertySlot& slot)
{
    JSProxy* thisObject = jsCast<JSProxy*>(cell);
    return thisObject->target()->methodTable(globalObject->vm())->put(thisObject->target(), globalObject, propertyName, value, slot);
}

bool JSProxy::putByIndex(JSCell* cell, JSGlobalObject* globalObject, unsigned propertyName, JSValue value, bool shouldThrow)
{
    JSProxy* thisObject = jsCast<JSProxy*>(cell);
    return thisObject->target()->methodTable(globalObject->vm())->putByIndex(thisObject->target(), globalObject, propertyName, value, shouldThrow);
}

bool JSProxy::defineOwnProperty(JSObject* object, JSGlobalObject* globalObject, PropertyName propertyName, const PropertyDescriptor& descriptor, bool shouldThrow)
{
    JSProxy* thisObject = jsCast<JSProxy*>(object);
    return thisObject->target()->methodTable(globalObject->vm())->defineOwnProperty(thisObject->target(), globalObject, propertyName, descriptor, shouldThrow);
}

bool JSProxy::deleteProperty(JSCell* cell, JSGlobalObject* globalObject, PropertyName propertyName, DeletePropertySlot& slot)
{
    JSProxy* thisObject = jsCast<JSProxy*>(cell);
    return thisObject->target()->methodTable(globalObject->vm())->deleteProperty(thisObject->target(), globalObject, propertyName, slot);
}

bool JSProxy::isExtensible(JSObject* object, JSGlobalObject* globalObject)
{
    JSProxy* thisObject = jsCast<JSProxy*>(object);
    return thisObject->target()->methodTable(globalObject->vm())->isExtensible(thisObject->target(), globalObject);
}

bool JSProxy::preventExtensions(JSObject* object, JSGlobalObject* globalObject)
{
    JSProxy* thisObject = jsCast<JSProxy*>(object);
    return thisObject->target()->methodTable(globalObject->vm())->preventExtensions(thisObject->target(), globalObject);
}

bool JSProxy::deletePropertyByIndex(JSCell* cell, JSGlobalObject* globalObject, unsigned propertyName)
{
    JSProxy* thisObject = jsCast<JSProxy*>(cell);
    return thisObject->target()->methodTable(globalObject->vm())->deletePropertyByIndex(thisObject->target(), globalObject, propertyName);
}

uint32_t JSProxy::getEnumerableLength(JSGlobalObject* globalObject, JSObject* object)
{
    JSProxy* thisObject = jsCast<JSProxy*>(object);
    return thisObject->target()->methodTable(globalObject->vm())->getEnumerableLength(globalObject, thisObject->target());
}

void JSProxy::getOwnPropertyNames(JSObject* object, JSGlobalObject* globalObject, PropertyNameArray& propertyNames, DontEnumPropertiesMode mode)
{
    JSProxy* thisObject = jsCast<JSProxy*>(object);
    thisObject->target()->methodTable(globalObject->vm())->getOwnPropertyNames(thisObject->target(), globalObject, propertyNames, mode);
}

bool JSProxy::setPrototype(JSObject* object, JSGlobalObject* globalObject, JSValue prototype, bool shouldThrowIfCantSet)
{
    JSProxy* thisObject = jsCast<JSProxy*>(object);
    return thisObject->target()->methodTable(globalObject->vm())->setPrototype(thisObject->target(), globalObject, prototype, shouldThrowIfCantSet);
}

JSValue JSProxy::getPrototype(JSObject* object, JSGlobalObject* globalObject)
{
    JSProxy* thisObject = jsCast<JSProxy*>(object);
    return thisObject->target()->methodTable(globalObject->vm())->getPrototype(thisObject->target(), globalObject);
}

} // namespace JSC