Operator operator = parseGeneralComp(tokens);
if (operator == null) parseValueComp(tokens);
if (operator != null) {
return new Comparison(result, operator, parseRangeExpr(tokens));
}
NodeComparisonOperator nodeComp = parseNodeComp(tokens);
if (nodeComp != null) {
return new NodeComparison(result, nodeComp, parseRangeExpr(tokens));
}
return result;
}