/*
Example:

----------
1. ERROR in /home/stefan/JavaX-Caches/Temp/1642773472353/UserCode_1642773470538.java (at line 26)
  xg.fillRect(10, 10, 10, 10);
  ^^
xg cannot be resolved
----------
*/

sclass ECJError {
}

static L<ECJError> parseECJOutputForErrors(S text) {
  LS lines = lines(text);
  for i over lines: {
    if (startsWith(lines.get(i), "---")) {
      LS groups = regexpFirstGroups("^\\d+. ERROR in (.*?) \\(at line \\d+\\)$", get(lines, i+1));
      if (groups != null) {
        print(groups);
      }
    }
  }
  null;
}