class Byebug::PSCommand

def execute
  out = StringIO.new
  run_with_binding do |b|
    vals = debug_eval(@match.post_match, b)
    if vals.is_a?(Array)
      vals = vals.map{|item| item.to_s}
      print "#{columnize(vals.sort!, self.class.settings[:width])}\n"
    else
      PP.pp(vals, out)
      print out.string
    end
  end
rescue
  out.puts $!.message
end

def help(cmd)
  %{
   ps expression\tevaluate expression, an array, sort and columnize its value
   }
end

def help_command
  'ps'
end

def regexp
  /^\s*ps\s+/
end