[Idle-dev] Re: Feature request, evaluate an expression when stopped at a breakpoint

[Grégoire Dooms]

Sorry for multiple posts, but the original mail has been retained by 
moderator, I got no news from it and I could not delete it.

Al Schapira a.d.schapira at worldnet.att.net
wrote on Thu Apr 1 14:23:47 EST 2004 :

> I've been using IDLE both for debugging my own code and for learning
> about how other folks code works.  There is a feature that I'm looking
> for that is so basic I believe it must be possible, but I haven't seen
> it described anywhere:  the ability to enter and evaluate an expression
> when stopped at a breakpoint.  The expression would be evaluated in the
> context of the current breakpoint.
>
I would need this too.
I currently uses the simple pdb comand line debugger included in python
to do this.
I mostly use it under ipython to benefit from its 'debug at uncaught
exception' feature.

> Building on this would be the *automatic* evaluation of one or more 
> previously entered expressions every time a breakpoint was hit.


> I envision an additional subwindow of the idle window in which each
> user's expression and its value would be automatically displayed when
> stopped at a breakpoint. The expressions to be evaluated could be
> entered or changed whenever idle is stopped at any breakpoint.
>
> Other debuggers I used (for C debugging) have a similar capability.



If you are referring a feature similar to breakpoint command lists in
gdb, i submitted a patch to pdb in order to support this feature:
http://sourceforge.net/tracker/index.php?func=detail&aid=790710&group_id=5470&atid=305470

--
Grégoire Dooms