Re: [jdt-debug-dev] JavaMethodEntryBreakpoints

[Philipp.Bouillon@xxxxxxxxxxx (Philipp Bouillon)]

Thanks a lot, Darin!
Now it works. I used "(Ljava.lang.String;)V" instead of
"(Ljava/lang/String;)V" which caused the problem just as you
said.

Philipp


> You should use
> qualified type signature format for method signatures. We compare against
> the runtime (resolved) signature, not the development time (unresolved)
> signature. The resource you specify does not effect the installation of
> the breakpoint - it only defines what resource the associated breakpoint
> marker will be persisted with in the workspace. Generally, if the
> associated java element (method, type, etc.), is contained in a file in
> the workspace - that resource should be specified. For elemnets not in
> the workspace, it is up to the client to specify an arbitrary resource -
> for example the workspace root, or associated project. 
>
> I tried an example to suspend in junit.samples.VectorTest. I
> added the constructor "VectorTest(String)" contructor, and
> created a breakpoint like this: 
>
> JDIDebugModel.createMethodEntryBreakpoint(resource,
> "junit.samples.VectorTest",
> "<init>",
> "(Ljava/lang/String;)V",
> -1, -1, -1, 0, true, attributes); 
>
> This worked OK for me. 
>
> Darin 
>
>
>
> Philipp.Bouillon@xxxxxxxxxxx (Philipp
> Bouillon) 
> Sent by: jdt-debug-dev-admin@xxxxxxxxxxx 
>
> 04/24/2003 12:00 PM 
> Please respond to jdt-debug-dev 
>         
>        
> To:       
> jdt-debug-dev@xxxxxxxxxxx 
>        
> cc:         
>        
> Subject:        Re: [jdt-debug-dev]
> JavaMethodEntryBreakpoints 
>
>
>
> Sorry, but I forgot to mention that
> the same routine works for any other method (not constructors, that
> is).
> Philipp
>
> Thanks for the advice, but even after
> I changed "FileReader" to "<init>", the
> bahavior does not change: the breakpoint is created (it is shown in the
> "breakpoint"-list of the debugging perspective), but if I
> select "debug as JUnit Test", the execution is _not_
> interrupted upon reaching the breakpoint (and it is definitely
> reached).
> However, I found out, that I was using the wrong resource. But I changed
> "FileReader" to "DummyTest" (which is a JUnit test
> class created in the default package) and tried to set a breakpoint on
> its constructor using the described method. And that did not work either
> (same behavior). If I set the breakpoint manually (i.e. by double
> clicking), it works fine.
>
> So again, this is my statement:
>
> JDIDebugModel.createMethodEntryBreakpoint(resource,
>     "DummyTest",
>     "<init>",
>     "(QString;)V",  // It's really QString;
> here, not "Ljava.lang.String;" as in java.io.FileReader
>     0, -1, -1, 0,
>     true,
> attributes); 
>
> The breakpoint appears in the breakpoint list, but execution is not
> paused upon reaching it. Why?
> And, something completely different: How _do_ I get the correct resource
> of any java file that does not neccessarily have to be in my workspace
> (if you know a quick how-to, I'd appreciate hearing it, however, I have
> not looked into that problem yet, and I suppose it could really be
> simple).
>
> Once again, I thank you very much for your help and your patience.
> Philipp Bouillon
>
>
>
> (Forgot to mention)...For a
> method breakpoint, the line numebrs/source positions are simply used to
> render the breakpoint in the
> editor. 
>
> Darin 
>
>
>
> Darin
> Wright/Ottawa/IBM@IBMCA
> Sent by:
> jdt-debug-dev-admin@xxxxxxxxxxx
>
> 04/24/2003 09:29 AM
> Please respond to
> jdt-debug-dev
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>       
> To:       
> jdt-debug-dev@xxxxxxxxxxx
>       
> cc:        
>       
> Subject:        Re: [jdt-debug-dev]
> JavaMethodEntryBreakpoints
>
>
>
>
> It looks like you are specifying the wrong name for the method - i.e.
> "FileReader". If you are referring to a constructor, you should
> use "<init>".
>
> Darin 
>
>
> Philipp.Bouillon@xxxxxxxxxxx
> Sent by:
> jdt-debug-dev-admin@xxxxxxxxxxx
>
> 04/24/2003 09:08 AM
> Please respond to
> jdt-debug-dev
>        
>      
> To:       
> jdt-debug-dev@xxxxxxxxxxx
>      
> cc:        
>      
> Subject:        [jdt-debug-dev]
> JavaMethodEntryBreakpoints
>
>
>
> Hello,
>
> I am trying to programatically set a JavaMethodEntryBreakpoint.
> Can this be done _without_ knowing the line number of the method
> definition? It does not seem to work for me.
> This is, what I do:
>
> I have an IResource object and a name of a method, where I'd like 
> to
> set a breakpoint. Say, for example "java.io.FileReader" (and
> let's
> suppose, that I do not have the source code for that class).
> Aside: If I do have the source code, it's no problem at all -- I
> determine the source range and the line number, and I can set the
> breakpoint just perfectly.
> So, what can I do now?
> I tried a JDIDebugModel.createMethodEntryBreakpoint(resource,
> "java.io.FileReader", "FileReader",
> "(Ljava.lang.String;)V", 0, -1,
> -1,
> 0, true, attributes);
> But that did not work (I also tried -1 as line number). Is it
> because
> of the signature, or did I miss something else?
>
> Thanks for your help,
> Philipp Bouillon
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