class Prism::DotVisitor

def visit_super_node(node)

Visit a SuperNode node. 
def visit_super_node(node)
  table = Table.new("SuperNode")
  id = node_id(node)
  # keyword_loc
  table.field("keyword_loc", location_inspect(node.keyword_loc))
  # lparen_loc
  unless (lparen_loc = node.lparen_loc).nil?
    table.field("lparen_loc", location_inspect(lparen_loc))
  end
  # arguments
  unless (arguments = node.arguments).nil?
    table.field("arguments", port: true)
    digraph.edge("#{id}:arguments -> #{node_id(arguments)};")
  end
  # rparen_loc
  unless (rparen_loc = node.rparen_loc).nil?
    table.field("rparen_loc", location_inspect(rparen_loc))
  end
  # block
  unless (block = node.block).nil?
    table.field("block", port: true)
    digraph.edge("#{id}:block -> #{node_id(block)};")
  end
  digraph.nodes << <<~DOT
    #{id} [
      label=<#{table.to_dot.gsub(/\n/, "\n  ")}>
    ];
  DOT
  super
end