[Bluej-discuss] Two Questions

[Bryan J Higgs]

I believe NetBeans (and other IDEs) retains breakpoint information in
this way.
Perhaps you could ask the NetBeans folks' advice on how best to do this
in BlueJ?

Bryan

Michael Kölling wrote:
> On 9 Jul 2007, at 06:49, Chris Share wrote:
>
>   
>> I've been using Blue-J as my programming scratchpad for a couple of
>> years. I really like the program although it does have a couple of
>> "features" that annoy me:
>>
>> 1. Is it possible to set breakpoints that don't vanish with each  
>> compile?
>>     
>
> No, you can't.
> You can add that as a feature request to the BlueJ bug list. The  
> breakpoints disappear, because break points are associated with a  
> class file, and when you recompile, then the class file is thrown  
> away, and a new one is generated. So the break points are gone.
>
> Now we could try to be clever and remember where the break points  
> were, and try to re-generate equivalent break points in the new class  
> file. But that's actually not a trivial thing to do. How do you  
> remember where break points were? By line number? what if you add/ 
> delete lines? All the breakpoints would be in the wrong places. What,  
> in fact, if you delete the line that contained the break point. It's  
> a hard task.
>
>
>   
>> 2. Is it possible to use a different editor (such as jEdit which is  
>> much
>> more powerful) with Blue-J?
>>     
>
> With a bit of work it is.
>
> BlueJ has a published editor interface (and the source code of the  
> BlueJ editor, that uses that interface, is published). If you can get  
> the JEdit source, you can write an adapter that makes it work with  
> the BlueJ edit API.
>
> Michael
>
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>   

-- 

*/Dr. Bryan J. Higgs
Associate Professor
Dept. of Mathematics & Computer Science
Rivier College
420 Main St.
Nashua, NH 03060/*