text: from pypy.translator.translator import graphof
  
  # ___________________________________________________________________________
  
  HELPERS = {}
  def with_types(type_list):
      def decorator(func):
          HELPERS[func] = type_list
          return func
      return decorator
  
  @with_types([])
  def throwZeroDivisionError():
      raise ZeroDivisionError
  
  @with_types([])
  def throwIndexError():
      raise IndexError
  
  @with_types([])
  def throwOverflowError():
      raise OverflowError
  
  @with_types([])
  def throwRuntimeError():
      raise RuntimeError
  
  @with_types([])
  def throwMemoryError():
      raise MemoryError
  
  @with_types([])
  def throwValueError():
      raise ValueError
  
  @with_types([])
  def throwUnicodeDecodeError():
      raise UnicodeDecodeError
  
  @with_types([str, str])
  def recordStringString(a, b):
      return (a, b)
  
  @with_types([float, float])
  def recordFloatFloat(a, b):
      return (a, b)
  
  @with_types([float, int])
  def recordFloatSigned(a, b):
      return (a, b)
  
  @with_types([int, int])
  def recordSignedSigned(a, b):
      return (a, b)
  
  # ___________________________________________________________________________
  
  def create_interlink_node(db):
      """ Translates the create_interlink_impl() function and returns
      a jvmgen.Method object that allows it to be called. """
      translator = db.genoo.translator
  
      for func, type_list in HELPERS.items():
          translator.annotator.build_types(func, type_list) 
      translator.rtyper.specialize_more_blocks()
  
      helpers = {}
      for func in HELPERS.keys():
          graph = graphof(translator, func)
          helpers[func.func_name] = db.pending_function(graph)
  
      raise_OSError_graph = translator.rtyper.exceptiondata.fn_raise_OSError.graph
      helpers["throwOSError"] = db.pending_function(raise_OSError_graph)
  
      db.create_interlink_node(helpers)
  
  