[Bluej-discuss] Two Questions

[Chris Share]

What about if only modified files were recompiled? That way, breakpoints 
in unmodified files would be retained. Is that possible? At least then 
if I have multiple breakpoints set I won't lose them all.

Where do I find the editor interface?

Cheers,

Chris

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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