   trim: (string) ->
     string.replace(/^\s*/, '').replace(/\s*$/, '')
 
-module.exports = (source, options = { }) ->
-  parser = new Parser(source, options)
+module.exports = (source, opts = { }) ->
+  parser = new Parser(source, opts)
   parser.loop()
   parser.root


# CSS parser
class Parser
  constructor: (source, @options) ->
    @source = source.toString()

    @root    = new Root()

  # Helpers

  error: (message, line = @line, column = @column) ->
    throw new SyntexError(message, @source, line, column, @opts.file)

  move: ->
    @pos    += 1
