bool JSActivation::getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName propertyName, PropertySlot& slot)
{
    JSActivation* thisObject = jsCast<JSActivation*>(object);

    if (propertyName == exec->propertyNames().arguments) {
        // Defend against the inspector asking for the arguments object after it has been optimized out.
        CallFrame* callFrame = CallFrame::create(reinterpret_cast<Register*>(thisObject->m_registers));
        if (!thisObject->isTornOff() && (callFrame->codeBlock()->usesArguments() || callFrame->codeBlock()->usesEval())) {
            slot.setCustom(thisObject, DontEnum, argumentsGetter);
            return true;
        }
    }

    if (thisObject->symbolTableGet(propertyName, slot))
        return true;

    unsigned attributes;
    if (JSValue value = thisObject->getDirect(exec->vm(), propertyName, attributes)) {
        slot.setValue(thisObject, attributes, value);
        return true;
    }

    // We don't call through to JSObject because there's no way to give an 
    // activation object getter properties or a prototype.
    ASSERT(!thisObject->hasGetterSetterProperties());
    ASSERT(thisObject->prototype().isNull());
    return false;
}
Example #2
0
bool JSActivation::getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName propertyName, PropertySlot& slot)
{
    JSActivation* thisObject = jsCast<JSActivation*>(object);

    if (propertyName == exec->propertyNames().arguments) {
        // Defend against the inspector asking for the arguments object after it has been optimized out.
        if (!thisObject->isTornOff()) {
            slot.setCustom(thisObject, thisObject->getArgumentsGetter());
            return true;
        }
    }

    if (thisObject->symbolTableGet(propertyName, slot))
        return true;

    if (JSValue value = thisObject->getDirect(exec->vm(), propertyName)) {
        slot.setValue(value);
        return true;
    }

    // We don't call through to JSObject because there's no way to give an 
    // activation object getter properties or a prototype.
    ASSERT(!thisObject->hasGetterSetterProperties());
    ASSERT(thisObject->prototype().isNull());
    return false;
}
void JSActivation::put(JSCell* cell, ExecState* exec, PropertyName propertyName, JSValue value, PutPropertySlot& slot)
{
    JSActivation* thisObject = jsCast<JSActivation*>(cell);
    ASSERT(!Heap::heap(value) || Heap::heap(value) == Heap::heap(thisObject));

    if (thisObject->symbolTablePut(exec, propertyName, value, slot.isStrictMode()))
        return;

    // We don't call through to JSObject because __proto__ and getter/setter 
    // properties are non-standard extensions that other implementations do not
    // expose in the activation object.
    ASSERT(!thisObject->hasGetterSetterProperties());
    thisObject->putOwnDataProperty(exec->vm(), propertyName, value, slot);
}
Example #4
0
void JSActivation::put(JSCell* cell, ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot)
{
    JSActivation* thisObject = static_cast<JSActivation*>(cell);
    ASSERT(!Heap::heap(value) || Heap::heap(value) == Heap::heap(thisObject));

    if (thisObject->symbolTablePut(exec->globalData(), propertyName, value))
        return;

    // We don't call through to JSObject because __proto__ and getter/setter 
    // properties are non-standard extensions that other implementations do not
    // expose in the activation object.
    ASSERT(!thisObject->hasGetterSetterProperties());
    thisObject->putDirect(exec->globalData(), propertyName, value, 0, true, slot);
}
Example #5
0
// FIXME: Make this function honor ReadOnly (const) and DontEnum
void JSActivation::putDirectVirtual(JSObject* object, ExecState* exec, PropertyName propertyName, JSValue value, unsigned attributes)
{
    JSActivation* thisObject = jsCast<JSActivation*>(object);
    ASSERT(!Heap::heap(value) || Heap::heap(value) == Heap::heap(thisObject));

    if (thisObject->symbolTablePutWithAttributes(exec->globalData(), propertyName, value, attributes))
        return;

    // We don't call through to JSObject because __proto__ and getter/setter 
    // properties are non-standard extensions that other implementations do not
    // expose in the activation object.
    ASSERT(!thisObject->hasGetterSetterProperties());
    JSObject::putDirectVirtual(thisObject, exec, propertyName, value, attributes);
}
Example #6
0
bool JSActivation::getOwnPropertySlot(JSCell* cell, ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
{
    JSActivation* thisObject = static_cast<JSActivation*>(cell);
    if (propertyName == exec->propertyNames().arguments) {
        slot.setCustom(thisObject, thisObject->getArgumentsGetter());
        return true;
    }

    if (thisObject->symbolTableGet(propertyName, slot))
        return true;

    if (WriteBarrierBase<Unknown>* location = thisObject->getDirectLocation(exec->globalData(), propertyName)) {
        slot.setValue(location->get());
        return true;
    }

    // We don't call through to JSObject because there's no way to give an 
    // activation object getter properties or a prototype.
    ASSERT(!thisObject->hasGetterSetterProperties());
    ASSERT(thisObject->prototype().isNull());
    return false;
}