module Byebug::VarFunctions

def var_class_self
  obj = bb_eval('self')
  var_list(obj.class.class_variables, get_binding)
end

def var_global
  var_list(global_variables.reject { |v| [:$=, :$KCODE, :$-K].include?(v) })
end

def var_list(ary, b = get_binding)
  ary.sort!
  for v in ary
    begin
      s = bb_eval(v.to_s, b).inspect
    rescue
      begin
        s = bb_eval(v.to_s, b).to_s
      rescue
        s = "*Error in evaluation*"
      end
    end
    pad_with_dots(s)
    print "#{v} = #{s}\n"
  end
end