Собственный интерпретатор

print clock();

$ ./your_program.sh run test.lox
1731411035

print clock() + 75;

1731411035

print clock() / 1000;

1731410

var startTime = clock();
var timeoutSeconds = 2;
 
// Check if less than 2 seconds have elapsed
if ((clock() >= startTime) and (clock() <= (startTime + timeoutSeconds))) {
  print "Operation in progress...";
} else {
  print "Operation timed out!";
}

Operation in progress...

// Countdown from 3 seconds
var startTime = clock();
var totalDuration = 3; // 3 seconds countdown
var lastCheck = startTime;
var completed = false;
 
while (!completed) {
  var currentTime = clock();
  var elapsedTime = currentTime - startTime;
  var remainingTime = totalDuration - elapsedTime;
 
  // Update progress every second
  if (currentTime >= lastCheck + 1) {
    if (remainingTime >= 2) {
      print "Plenty of time remaining: ";
      print remainingTime;
    } else if (remainingTime >= 1) {
      print "Getting closer: ";
      print remainingTime;
    } else if (remainingTime > 0) {
      print "Almost there: ";
      print remainingTime;
    }
    lastCheck = currentTime;
  }
 
  // Check for completion
  if (elapsedTime >= totalDuration) {
    completed = true;
    print "Countdown complete!";
  } else if (elapsedTime < 0) {
    // Handle clock overflow or system time changes
    print "Time error detected!";
    completed = true;
  }
}

Plenty of time remaining:
2
Getting closer:
1
Countdown complete!