How to use

location

method

in

org.kframework.parser.ProductionReference

public static KEMException criticalError(String message, ProductionReference node) {
  return create(ExceptionType.ERROR, KExceptionGroup.CRITICAL, message, null, node.location().orElse(null), node.source().orElse(null));
}

  String msg = "Found sort '" + childSort + "' where list sort '" + expectedSort + "' was expected. Moving on.";
  warnings.add(new ParseFailedException(
      new KException(KException.ExceptionType.HIDDENWARNING, KException.KExceptionGroup.LISTS, msg, child.source().get(), child.location().get())));
  newItems.add(child);
} else {
  TermCons terminator = TermCons.apply(ConsPStack.empty(), ulTerm.pTerminator, child.location(), child.source());
  TermCons newTc = TermCons.apply(ConsPStack.from(Arrays.asList(terminator, child)), ul.pList, child.location(), child.source());
  newItems.add(newTc);
  changed = true;

  public Either<java.util.Set<ParseFailedException>, Term> apply(ProductionReference pr) {
    if (pr instanceof TermCons) {
      TermCons tc = (TermCons) pr;
      if (VariableTypeInferenceFilter.hasPolySort(tc)) {
        return VariableTypeInferenceFilter.visitPolyChildren(tc, this::apply);
      }
    }
    if (pr instanceof Constant && pr.production().sort().equals(Sorts.KVariable())) {
      // skip variables since they will always have a different sort at this stage.
      return Right.apply(pr);
    }
    if ((!strict && !subsorts.lessThanEq(pr.production().sort(), sort)) || (strict && !pr.production().sort().equals(sort))) {
      String msg = "Unexpected sort " + pr.production().sort() + " for term parsed as production " + pr.production() + ". Expected " + sort + ".";
      KException kex = new KException(KException.ExceptionType.ERROR, KException.KExceptionGroup.CRITICAL, msg, pr.source().orElse(null), pr.location().orElse(null));
      return Left.apply(Sets.newHashSet(new VariableTypeClashException(kex)));
    }
    return Right.apply(pr);
  }
}