Pause failing on long-running programms.

[LeifAndersen]

I would expect the following program to run for roughly 3 seconds, then print out Pausing..., followed shortly by PAUSED!. But instead it prints out Pausing..., but never actually pauses:

const prog = `
for(let i = 0; i < 100000000000; i++) {
  if(i%10000000 === 0) {
    console.log(i);
  }
}
`;

window.stopify = require('@stopify/stopify');
let runner = stopify.stopifyLocally(prog);
runner.g = {console};
runner.run(() => {
    console.log("DONE!");
});
setTimeout(() => {
    console.log("Pausing...");
    runner.pauseImmediate(() => {console.log("PAUSED");});
}, 3000);

If it helps, the following error seems to occur:

lazyRuntime.ts:15 Uncaught Capture {stack: Array(0), f: ƒ}

[LeifAndersen]

Also if it helps, I created a sample repo with the problem: https://github.com/LeifAndersen/stoptest

[LeifAndersen]

I should note this only happens with pauseImediate, and not pause specifically.

[arjunguha]

Well, definitely a bug. Can you look into it? It is unlikely that I can get to it until September.

[LeifAndersen]

Sure, I'll take a look into it. I suspect its probably related to the call stack being empty.