153         self.functions.add(function_name)

   153         self.functions.add(function_name)

   154 

   154 

   155 

   155 

   156 class TranslationError(Exception):

   156 class TranslationError(Exception):

   157     def __init__(self, message, node):

   157     def __init__(self, message, node):

   158         self.message = "line %s:\n%s\n%s" % (node.lineno, message, node)

   159         self.message = "line %s:\n%s\n%s" % (node.lineno, message, node)

   159 

   160 

   160     def __str__(self):

   161     def __str__(self):

   161         return self.message

   162         return self.message

   162 

   163