code: def jpath_parse_c(jpath):
      
      if not jpath in _JPATH_CACHE:
          _JPATH_CACHE[jpath] = jpath_parse(jpath)
      return _JPATH_CACHE[jpath]
docs: Caching variant of :py:func:`jpath_parse` function. Same arguments and return
      value.
  
      For performance reasons thee is no copying and all returned values are
      references to internal cache. Treat the returned values as read only, or
      suffer the consequences.