code: def t_CPP_CHAR(t):
      r"(L)?\'([^\\\n]|(\\(.|\n)))*?\'"
      t.lexer.lineno += t.value.count("\n")
      return t
  
imports: import sys
  import re
  import copy
  import time
  import os.path
label_desc: Use image node_id 4 for calling a global function with example usage: t_CPP_CHAR(t) and returns: t