code: def p_contextualize_item(self, t):
          
  
          if len(t) == 5:
              t[0] = contextualize_item(t[2], t[4], line=t.lineno(1))
          elif t[5] == "with":
              t[0] = contextualize_item(t[2], t[4], ctxt_tool=t[6], line=t.lineno(1))
          else:
              t[0] = contextualize_item(t[2], t[4], num=t[6], line=t.lineno(1))
docs: contextualize_item : SYSTEM VAR CONFIGURE VAR
                                | SYSTEM VAR CONFIGURE VAR STEP NUMBER
                                | SYSTEM VAR CONFIGURE VAR WITH VAR