code: def register_error(func_name=None, cls=None):
      """Register an error class so it can be recognized by the ffi error handler.
  
      Parameters
      ----------
      func_name : str or function or class
          The name of the error function.
  
      cls : function
          The function to create the class
  
      Returns
      -------
      fregister : function
          Register function if f is not specified.
  
      Examples
      --------
      .. code-block:: python
  
        @tvm.error.register_error
        class MyError(RuntimeError):
            pass
  
        err_inst = tvm.error.create_ffi_error("MyError: xyz")
        assert isinstance(err_inst, MyError)
      """
      if callable(func_name):
          cls = func_name
          func_name = cls.__name__
  
      def register(mycls):
          """internal register function"""
          err_name = (
              func_name
              if isinstance(func_name, str)
              else mycls.__name__
          )
          ERROR_TYPE[err_name] = mycls
          return mycls
  
      if cls is None:
          return register
      return register(cls)
  
imports: import ctypes
  import functools
  import os
  import re
  import sys
  import types
  from typing import Callable, Sequence, Optional
  import numpy
  from .None import libinfo
label_desc: Use image node_id 5 for calling a global function with example usage: register_error(func_name, cls) and returns: register, mycls, register