# File lib/code_analyzer/sexp.rb, line 222
  def message
    case sexp_type
    when :command, :fcall
      self[1]
    when :binary
      self[2]
    when :command_call, :field, :call
      self[3]
    when :method_add_arg, :method_add_block
      self[1].message
    end
  end