Sorry, I misread your original problem; JEXL does follow Java's operator
precedence and there is no way to alter this behaviour (besides modifying the
grammar in Parser.jjt file).
On 2020/09/23 14:28:33, BENGUIGUI Michael
<michael.bengui...@irt-saintexupery.com> wrote:
> Dear all,
>
> I am trying to evaluate the following expression via jexl : x^y
> What I've tried, is to extend JexlArithmetic:
>
> // Extend Arithmetic
> public class ExtendedJexlArithmetic extends JexlArithmetic
> {
> public ExtendedJexlArithmetic(boolean strict){
> super(strict);
> }
>
> public xor(Object l, Object r){
> return Math.pow(l, r);
> }
> }
>
> def engine = new
> JexlBuilder().cache(512).strict(true).silent(false).namespaces(ns).arithmetic(new
> ExtendedJexlArithmetic(true)).create();
> engine.createExpression(model_formula).evaluate(contextMap);
>
>
> However, it does not consider operator priority. As a result, I am still
> getting wrong results:
>
> 2+4^3 -> 216 (instead of 66).
>
> How can I properly fix this ?
>
> Thhhx!
>
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