class Prism::DotVisitor

def visit_self_node(node)

Visit a SelfNode node. 
def visit_self_node(node)
  table = Table.new("SelfNode")
  id = node_id(node)
  digraph.nodes << <<~DOT
    #{id} [
      label=<#{table.to_dot.gsub(/\n/, "\n  ")}>
    ];
  DOT
  super
end