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Re: [jdt-debug-dev] Modification Watchpoint
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There is an existing enhancement request to provide the 'value to be' for
watchpoints - once implemented, you will be able to retrieve the new
value. Technically, you are not supposed to subclass internal classes. If
you do so, it's at your own risk. It would be better to vote/wait for the
enhancement request to be implemented, or even better, implement the fix
and contribute a patch.
see bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=24334 for the
existing enhancement request.
Darin
Ralf Anklam <ikeman@xxxxxxxxxxxxxxx>
Sent by: jdt-debug-dev-bounces@xxxxxxxxxxx
08/11/2005 03:18 PM
Please respond to
"Eclipse JDT Debug developers list."
To
jdt-debug-dev@xxxxxxxxxxx
cc
Subject
[jdt-debug-dev] Modification Watchpoint
Hello,
programmatically I create a modification watchpoint on a field and if
the field is modified, I get noticed.
I want to readout and store the value of this field. To do this I
implemented the IDebugEventSetListenerInterface
and react on suspend events, which are initiated by my watchpoint
(IJavaBreakpointListener.breakpointHit()).
If I want to readout the value, I get the old value and not the value,
which will be set.
The JDI offers a ModificationWatchpointEvent and the opportunity the
readout the value (ModificationWatchpointEvent.valueToBe())
Unfortunately this is not an org.eclipse.debug.core.DebugEvent, so I can
not react in the IDebugEventSetListener.handleDebugEvents().
To react on this Event I would build a subclass of
org.eclipse.jdt.internal.debug.core.breakpoints.JavaWatchpoint
and overwrite the method handleEvent() to handle the
ModificationWatchpointEvent. So I would be able to store the value of my
field.
Is this procedure the right way? Or is there some smarter solution to
get the value after modification?
Ralf Anklam
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