module Ruby

  # Base class for all statements in the tree. Derived classes correspond to known language
  # constructs
  #
  # Compilers or compiler passes are written by implementing methods.
  #
  class Statement

    def at_depth(depth , *strings)
      prefix = " " * 2 * depth
      strings.collect{|str| prefix + str}.join("\n")
    end

    def vool_brother
      eval "Vool::#{class_name}"
    end
    def class_name
      self.class.name.split("::").last
    end
  end

end