code: def t_CPP_WS(t):
      r"\s+"
      t.lexer.lineno += t.value.count("\n")
      return t
  
imports: from __future__ import generators
  import sys
  import re
  import copy
  import time
  import os.path
label_desc: Use image node_id 1 for calling a global function with example usage: t_CPP_WS(t) and returns: t