jde.debugger
Class JDEbug

java.lang.Object
  |
  +--java.lang.Thread
        |
        +--jde.debugger.JDEbug

All Implemented Interfaces:

Protocol, java.lang.Runnable

public class JDEbug

extends java.lang.Thread

implements Protocol

Class of JDEbug debuggers.

This class defines methods for communicating with the JDE. It maintains a list of active applications. It passes application commands to the apps specified by the commands.

See Protocol class for command/response formats and EventHandler for event set formats.

JDEbug responds to every command with either a result or error message.

Since:

0.1

Version:

$Revision: 1.13 $

Author:

Amit Kumar, Paul Kinnucan

Field Summary

static java.lang.Integer	debuggerID The ID of jdebug.
static JDEbug	theDebugger

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Fields inherited from interface jde.debugger.Protocol

APP_IO, ATTACH_SHMEM, ATTACH_SOCKET, BR, BREAK, CANCEL_TRACE_CLASSES, CANCEL_TRACE_METHODS, CANCEL_TRACE_THREADS, CLEAR, CMD_NOK, CMD_OK, COMMAND_ERROR, COMMAND_RESULT, COMMANDS, CONNECTED_TO_VM, DEBUG, ERROR, EVALUATE, EVENT_BREAKPOINT_HIT, EVENT_CLASS_PREPARE, EVENT_CLASS_UNLOAD, EVENT_EXCEPTION, EVENT_METHOD_ENTRY, EVENT_METHOD_EXIT, EVENT_OTHER, EVENT_STEP_COMPLETED, EVENT_THREAD_DEATH, EVENT_THREAD_START, EVENT_VM_DEATH, EVENT_VM_DISCONNECT, EVENT_VM_START, EVENT_WATCHPOINT_HIT, EVENTS, EVENTSET, EXCEPTION, EXIT, FINISH, FRAMEWORK, GET_ARRAY, GET_LOADED_CLASSES, GET_LOCALS, GET_OBJECT, GET_OBJECT_MONITORS, GET_PATH_INFORMATION, GET_STRING, GET_THREAD, GET_THREADS, GUI, INTERRUPT, INVALID, JDE_BUG, JDE_INIT_DEBUG_SESSION, JDE_PIPE, KILL_THREAD, LAUNCH, LISTEN_SHMEM, LISTEN_SOCKET, MESSAGE, NONE, NOQUOTE, QUIT, QUOTE, REPORT_IDS_IN_USE, RESUME, RUN, SPEC_RESOLVED, STEP, SUSPEND, TRACE_CLASSES, TRACE_EXCEPTIONS, TRACE_METHODS, TRACE_THREADS, WARNING, WATCH

Constructor Summary

protected

JDEbug() Protected constructor, since this is a singleton class.

Method Summary

void	init()
void	run() Runs the debugger thread.
void	shutdown() Sets a flag that terminates the main loop (implemented in the run() method).

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getContextClassLoader, getName, getPriority, getThreadGroup, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setName, setPriority, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Field Detail

debuggerID

public static final java.lang.Integer debuggerID

The ID of jdebug. This is used by jde when issuing commands that are not specific to any particular vm, for instance, 'quit', or the command used to launch new application/vms.
It is the Integer -1.

theDebugger

public static JDEbug theDebugger

Constructor Detail

JDEbug

protected JDEbug()

Protected constructor, since this is a singleton class.

Method Detail

init

public void init()
          throws java.io.IOException

run

public void run()

Runs the debugger thread. This method reads and executes commands from the JDE.

Overrides:

run in class java.lang.Thread

shutdown

public void shutdown()

Sets a flag that terminates the main loop (implemented in the run() method).