class Opal::REPL

def initialize
  @argv = []
  @colorize = true
  begin
    require 'readline'
  rescue LoadError
    abort 'opal-repl depends on readline, which is not currently available'
  end
  begin
    FileUtils.touch(HISTORY_PATH)
  rescue
    nil
  end
  @history = File.exist?(HISTORY_PATH)
end