class Prism::DotVisitor

def visit_forwarding_super_node(node)

Visit a ForwardingSuperNode node. 
def visit_forwarding_super_node(node)
  table = Table.new("ForwardingSuperNode")
  id = node_id(node)
  # 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