gistfile1.txt

  def lookupvar(name, options = {}) 
    unless name.is_a? String
      raise Puppet::DevError, "Scope variable name is a #{name.class}, not a string"
    end 

    table = ephemeral?(name) ? @ephemeral.last : @symtable

    if name =~ /^(.*)::(.+)$/
      class_name = $1
      variable_name = $2
      lookup_qualified_variable(class_name, variable_name, options)
    elsif table.include?(name)
      table[name]
    else
      next_scope = inherited_class_scope || enclosing_scope
      if next_scope
        next_scope.lookupvar(name, options)
      else
        nil 
      end 
    end 
  end