Prism::DotVisitor#visit_block_node

# File tmp/rubies/ruby-4.0.0/lib/prism/dot_visitor.rb, line 510
    def visit_block_node(node)
      table = Table.new("BlockNode")
      id = node_id(node)

      # locals
      table.field("locals", node.locals.inspect)

      # parameters
      unless (parameters = node.parameters).nil?
        table.field("parameters", port: true)
        digraph.edge("#{id}:parameters -> #{node_id(parameters)};")
      end

      # body
      unless (body = node.body).nil?
        table.field("body", port: true)
        digraph.edge("#{id}:body -> #{node_id(body)};")
      end

      # opening_loc
      table.field("opening_loc", location_inspect(node.opening_loc))

      # closing_loc
      table.field("closing_loc", location_inspect(node.closing_loc))

      digraph.nodes << <<~DOT
        #{id} [
          label=<#{table.to_dot.gsub(/\n/, "\n  ")}>
        ];
      DOT

      super
    end