public void Push(object item)
{
ScopeLink link;
link = (_links == null) ? new ScopeLink(item) : new ScopeLink(item, _links);
_depth += 1;
_links = link;
}
public object Pop()
{
if (_links == null)
{
throw new MergeException("cannot 'Pop' scope link, the chain is empty.");
}
object item = _links.Item;
_links = _links.Parent;
_depth -= 1;
return(item);
}
public ScopeLink(object item, ScopeLink parent)
{
_item = item;
_children = parent;
_variables = new VariableBag();
}
public void Clear()
{
_links = null;
}
