Prism::DotVisitor#visit_string_node

# File tmp/rubies/ruby-4.0.0/lib/prism/dot_visitor.rb, line 4230
    def visit_string_node(node)
      table = Table.new("StringNode")
      id = node_id(node)

      # flags
      table.field("flags", string_flags_inspect(node))

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

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

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

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

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

      super
    end