Function evictStackUpTo

src/core/stack_switching/stack_state.mjs:98–119

(stop)

}

function evictStackUpTo(stop) {
  let total = 0;
  // Search up the stack for things that need to be ejected in their entirety
  // and save them
  while (stackStates.length > 0 && stackStates.at(-1).stop < stop) {
    total += stackStates.pop()._save();
  }
  // Part of one more object may need to be ejected.
  const last = stackStates.at(-1);
  if (last && last.stop !== stop) {
    total += last._save_up_to(stop);
  }
  // If we just saved all of the last stackState it needs to be removed.
  // Alternatively, the current StackState may be on the stackStates list.
  // Technically it would make sense to leave it there, but we will add it
  // back if we suspend again and if we exit normally it gets removed from the
  // stack.
  if (last && last.stop === stop) {
    stackStates.pop();
  }
  return total;
}

/**
 * A class to help us keep track of the argument stack data for our individual