Function setUntilRepl

modules/script/_bootstrap/debugger.js:610–616

(obj, prop, value)

// Set |prop| on |obj| to |value|, but then restore its current value
// when we next enter the repl.
function setUntilRepl(obj, prop, value) {
    var saved = obj[prop];
    obj[prop] = value;
    replCleanups.push(() => {
        obj[prop] = saved;
    });
}

function doStepOrNext(kind) {
    if (topFrame === null) {