/*

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 {

  S file, error;

  int lineNr;

  S codeLine;

  IntRange colRange;

  toString { ret "Error on line " + lineNr + ": " + error; }

}

static L<ECJError> parseECJOutputForErrors(S text) {

  new L<ECJError> errors;

  LS lines = lines(text);

  for i over lines: {

    if (startsWith(lines.get(i), "---")) {

      S line = get(lines, i+1);

      //print(line);

      LS groups = regexpFirstGroups("^\\d+\\. ERROR in (.*?) \\(at line (\\d+)\\)$", line);

      if (groups != null) {

        //print(+groups);

        S codeLine = get(lines, i+2);

        S markLine = get(lines, i+3);

        S errorLine = get(lines, i+4);

        //print(+markLine);

        LS markGroups = regexpFirstGroups("^( *)(\\^+)", markLine);

        //print(+markGroups);

        new ECJError e;

        e.file = groups.get(0);

        e.error = errorLine;

        e.lineNr = parseInt(groups.get(1));

        e.codeLine = codeLine;

        int col1 = l(first(markGroups));

        int cols = l(second(markGroups));

        e.colRange = intRangeWithLength(col1+1, cols);

        errors.add(e);

      }

    }

  }

  ret errors;

}