Source/JavaScriptCore/runtime/JSProxy.cpp

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#include "config.h"
#include "JSProxy.h"

#include "JSGlobalObject.h"
#include "JSCInlines.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)
{
    const JSProxy* thisObject = jsCast<const JSProxy*>(object);
    return thisObject->target()->methodTable()->className(thisObject->target());
}

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

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

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

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

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

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

bool JSProxy::deleteProperty(JSCell* cell, ExecState* exec, PropertyName propertyName)
{
    JSProxy* thisObject = jsCast<JSProxy*>(cell);
    return thisObject->target()->methodTable(exec->vm())->deleteProperty(thisObject->target(), exec, propertyName);
}

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

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

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

void JSProxy::getPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
{
    JSProxy* thisObject = jsCast<JSProxy*>(object);
    thisObject->target()->methodTable(exec->vm())->getPropertyNames(thisObject->target(), exec, propertyNames, mode);
}

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

void JSProxy::getStructurePropertyNames(JSObject*, ExecState*, PropertyNameArray&, EnumerationMode)
{
    // Skip the structure loop, since it is invalid for proxies.
}

void JSProxy::getGenericPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
{
    JSProxy* thisObject = jsCast<JSProxy*>(object);
    // Get *all* of the property names, not just the generic ones, since we skipped the structure
    // ones above.
    thisObject->target()->methodTable(exec->vm())->getPropertyNames(thisObject->target(), exec, propertyNames, mode);
}

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

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

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

} // namespace JSC