text: # -*- coding: utf-8 -*-
  # Copyright (c) 2015 Jason Power
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  """ Options wrapper for simple gem5 configuration scripts
  
  This module wraps the optparse class so that we can register options
  from each class instead of only from the configuration script.
  
  """
  
  # Module-level variable to track if we've called the parse_args function yet
  called_parse_args = False
  
  # For fatal
  import m5
  
  # import the options parser
  from optparse import OptionParser
  
  # add the options we want to be able to control from the command line
  parser = OptionParser()
  
  def add_option(*args, **kwargs):
      """Call "add_option" to the global options parser
      """
  
      if (parser.has_option(args[0]) or
              (len(args) > 1 and parser.has_option(args[1])) ):
          m5.fatal("Duplicate option: %s" % str(args))
  
      if called_parse_args:
          m5.fatal("Can't add an option after calling SimpleOpts.parse_args")
  
      parser.add_option(*args, **kwargs)
  
  def parse_args():
      global called_parse_args
      called_parse_args = True
  
      return parser.parse_args()
  
  def set_usage(*args, **kwargs):
      parser.set_usage(*args, **kwargs)
  
  def print_help(*args, **kwargs):
      parser.print_help(*args, **kwargs)
  
  