docs: def p_common_scalar_lnumber(p):
      'common_scalar : LNUMBER'
      if p[1].startswith('0x'):
          p[0] = int(p[1], 16)
      elif p[1].startswith('0'):
          p[0] = int(p[1], 8)
      else:
          p[0] = int(p[1])