static LineAndColumn parseLineAndColumn(S s) {
  S re = "\\bLine (" + regexpN2() + "), col (" + regexpN2() + ")";
  LS l = regexpLastGroupsIC(re, s);
  printVars ifdef parseLineAndColumn_debug(+s, +re, +l);
  ret l == null ?: LineAndColumn(parseIntN2(first(l)), parseIntN2(second(l)));
}