in scala-repl/src/main/scala/spark/ztools.sc [750:759]
def resolveVariable(path: String): mutable.Map[String, Any] = {
val result = mutable.Map[String, Any]()
val obj = touched.get(path).orNull
if (obj.ref != null) {
result += (ResNames.VALUE -> mutable.Map[String, Any](ResNames.REF -> obj.ref))
} else {
result += (ResNames.VALUE -> parseInfo(obj, depth))
}
result
}