Prism::DotVisitor#visit_when_node

# File tmp/rubies/ruby-4.0.0/lib/prism/dot_visitor.rb, line 4464
    def visit_when_node(node)
      table = Table.new("WhenNode")
      id = node_id(node)

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

      # conditions
      if node.conditions.any?
        table.field("conditions", port: true)

        waypoint = "#{id}_conditions"
        digraph.waypoint("#{waypoint};")

        digraph.edge("#{id}:conditions -> #{waypoint};")
        node.conditions.each { |child| digraph.edge("#{waypoint} -> #{node_id(child)};") }
      else
        table.field("conditions", "[]")
      end

      # then_keyword_loc
      unless (then_keyword_loc = node.then_keyword_loc).nil?
        table.field("then_keyword_loc", location_inspect(then_keyword_loc))
      end

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

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

      super
    end