private static Item Deref(SymbolSpace space, SymbolItem symbol)
{
var reference = space.Lookup(symbol.Name);
return(reference is EvaluateableItem
? (reference as EvaluateableItem).Quote()
: reference);
}
public Item Flatten(SymbolSpace space)
{
var current = space.Lookup(this.Name);
while (current.ItemType == ItemType.Symbol)
{
var symbol = (SymbolItem)current;
if (symbol.IsQuoted)
{
break;
}
current = symbol.Evaluate(space);
}
return(current);
}