public Scope(AstNode node, Scope parent)
{
Node = node;
Parent = parent;
Level = (short)(parent == null ? 0 : parent.Level + 1);
}
public Type Type; //for use in typed languages or for type inference
//we allow slot creation only through Scope.CreateSlot method
internal SlotInfo(Scope scope, string name, int index)
{
Scope = scope;
Name = name;
Index = index;
}
