void DBQueryInfo::resolve(JSContext* cx, JS::HandleObject obj, JS::HandleId id, bool* resolvedp) {
*resolvedp = false;
IdWrapper wid(cx, id);
// We only use this for index access
if (!wid.isInt()) {
return;
}
JS::RootedObject parent(cx);
if (!JS_GetPrototype(cx, obj, &parent))
uasserted(ErrorCodes::InternalError, "Couldn't get prototype");
ObjectWrapper parentWrapper(cx, parent);
JS::RootedValue arrayAccess(cx);
parentWrapper.getValue(InternedString::arrayAccess, &arrayAccess);
if (arrayAccess.isObject() && JS_ObjectIsFunction(cx, arrayAccess.toObjectOrNull())) {
JS::AutoValueArray<1> args(cx);
args[0].setInt32(wid.toInt32());
JS::RootedValue vp(cx);
ObjectWrapper(cx, obj).callMethod(arrayAccess, args, &vp);
if (!vp.isNullOrUndefined()) {
ObjectWrapper o(cx, obj);
// Assumes the user won't modify the contents of what DBQuery::arrayAccess returns
// otherwise we need to install a getter.
o.defineProperty(id, vp, 0);
}
*resolvedp = true;
}
}
Expression* Expression::arrayAccess( size_t a_uiIndex )
{
return arrayAccess(o_new(ConstantExpression)(constant<size_t>(a_uiIndex)));
}