private void commandDown(StringTokenizer t) throws NoSessionException {
ThreadReference current = context.getCurrentThread();
if (current == null) {
env.failure("No current thread.");
return;
}
int nLevels = readCount(t);
if (nLevels <= 0) {
env.error("usage: down [n frames]");
return;
}
try {
int delta = context.moveCurrentFrameIndex(current, nLevels);
if (delta == 0) {
env.notice("Already at bottom of stack.");
} else if (delta < nLevels) {
env.notice("Moved down " + delta + " frames to bottom of stack.");
}
} catch (VMNotInterruptedException e) {
env.failure("Target VM must be in interrupted state.");
}
}
