class Prism::DotVisitor

def visit_defined_node(node)

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