# File lib/safemode/parser.rb, line 151
    def process_call_args(exp)
      args = []
      while not exp.empty? do
        args_exp = exp.shift
        if args_exp && args_exp.first == :array # FIX
          processed = "#{process(args_exp)[1..-2]}"
        else
          processed = process args_exp
        end
        args << processed unless (processed.nil? or processed.empty?)
      end
      args.empty? ? nil : args.join(", ")
    end