argument_nodes

# File actionview/lib/action_view/ripper_ast_parser.rb, line 35
        def argument_nodes
          raise unless fcall?
          return [] if self[1].nil?
          if self[1].last == false || self[1].last.type == :vcall
            self[1][0...-1]
          else
            self[1][0..-1]
          end
        end