lejos.nxt.debug
Class DebugMonitor

java.lang.Object
  lejos.nxt.debug.DebugMonitor

Direct Known Subclasses:

RConsole.Monitor

public class DebugMonitor
extends Object

Simple debug monitor that can be run alongside and nxj program. This class catches un-handled exceptions and user interrupts (accept + escape key), it displays information about the event (stack trace etc.). The user is then able to either perform a soft reset (Escape), a hard reset (Escape + Accept), or continue running the program (any other key). All output is directed via System.err.

Author:

andy

Field Summary

protected DebugInterface

monitor

Constructor Summary

DebugMonitor()

Method Summary

protected void	displayException(DebugInterface info) Display information about the uncaught exception on System.err
protected void	displayThreads(DebugInterface info) Dump information about all of the active threads to System.err.
protected void	exit()
static void	main(String[] args)
protected void	monitorEvents()
protected void	processEvent(int event)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

monitor

protected DebugInterface monitor

Constructor Detail

DebugMonitor

public DebugMonitor()

Method Detail

displayException

protected void displayException(DebugInterface info)

Display information about the uncaught exception on System.err

Parameters:

info - the current VM event

displayThreads

protected void displayThreads(DebugInterface info)

Dump information about all of the active threads to System.err. The threads are dumped in reverse order (low priority first), so that if there are more then eight threads the most important 8 will still be on the LCD display!

Parameters:

info -

exit

protected void exit()

processEvent

protected void processEvent(int event)

monitorEvents

protected void monitorEvents()

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception