List<Error> errors = super.validate(project, file, false, null);
ProblemRequestor requestor = new ProblemRequestor();
IAntModel model = AntUtils.getAntModel(project, file, requestor);
model.reconcile();
String filepath = ProjectUtils.getFilePath(project, file);
List<IProblem> problems = requestor.getProblems();
FileOffsets offsets = FileOffsets.compile(filepath);