Re: [Matlab-emacs-discuss] Matlab-Shell & Sun Grid Engine

[David C. <dav...@fr...>]

Ok I understand a little bit better how everything is supposed to be working
now.

In fact, I think there are minor problems in the function matlab-shell-mode
of matlab.el and the GUD functions should be mapped as follows:

 

      (gud-def gud-finish "dbstep out"          "\C-f" "Finish executing
current function.")

      (gud-def gud-up     "dbup(%p)"            "<"    "Up N stack frames
(numeric arg).")

      (gud-def gud-down   "dbdown(%p)"          ">"    "Down N stack frames
(numeric arg).")

 

On a related (but cosmetic) note, there are problems with hyperlinks when
using dbup and dbdown.

The matlab-shell window shows hyperlinks of the kind:

 

In workspace belonging to file>function at line

 

But when you click on it, it creates buffer named "workspace belonging to"
and doesn't lead anywhere. 

Furthermore, hyperlinks also do not work with "dbstack", although the
behaviour is different from that with "dbup" and "dbdown".

 

On top of the above, I believe "dbquit" should be mapped to
"gud-stop-subjob" (please anyone correct me, I'm really kind of guessing
here !)

At last we might also want to add to the list:

 

(gud-def gud-until "d bstop at %l in %f; dbcont; dbclear at %l in %f" "Run
until cursor or first breakpoint")

 

Cheers,

David.

 

 

  _____  

From: David Chappaz [mailto:dav...@fr...] 
Sent: 09 December 2011 14:39
To: 'Eric Ludlam'; 'mat...@li...'
Subject: RE: [Matlab-emacs-discuss] Matlab-Shell & Sun Grid Engine

 

Brilliant, Eric !! Many thanks for your help.

I think I'm making good progress in configuring matlab-emacs and getting
used to it :-)

 

A few more questions, if I may, because I'm really not a GUD expert.
EmacsLink (and most debuggers) provides

 

-          "matlab-eei-step-out" to finish the execution of the current
function, and stop. My understanding is that "gud-finish" should do the
same, but for me it just invokes "dbquit" and stops there. 

 

-          "matlab-eei-go-until-cursor" but although there seems to be a
"gud-until" in gud.el, emacs just doesn't know this function at all (M-x
gud-until can't be invoked). Any clue what the problem is ?

 

-          "matlab-eei-exit-debug" to stop the current session. My
understanding is that "gud-stop-subjob" should do the same, but I only get
the following string echoed in the matlab-shell window: "M-x g u d - s t o p
- s u b j o b RET". 

 

At last, I think I have identified a subtle problem with hyperlinks.

If I start debugging a script, and go step by step, the matlab-shell window
properly shows hyperlinks with the line number, followed by the line of
code. That works fine.

Now say I click on any of the above hyperlinks (without quitting the
debugging session), it brings me back to the source code as expected.

But if I start stepping through my code again, then the hyperlinks are not
parsed correctly any more, and I get something like:

 

<a href="matlab: opentoline('~/matlab/peri.m',106,1)">106 </a>end

 

That's a bit cosmetic really, but it looks like following the hyperlink in
the first place broke something.

 

Thanks in advance for any help you can provide on the GUD functions !

 

Cheers,

David.

 

  _____  

From: Eric Ludlam [mailto:Eri...@ma...] 
Sent: 09 December 2011 13:49
To: David Chappaz; mat...@li...
Subject: RE: [Matlab-emacs-discuss] Matlab-Shell & Sun Grid Engine

 

Hi,

 

for (1), there is a function called : matlab-with-emacs-link you can use.

 

(if (matlab-with-emacs-link)

     (define-key .)

  (define-key.)

 

for (2), that's the way it has always worked.  The keybindings, however,
work in any MATLAB buffer as long as matlab-shell-enable-gud-flag is set,
which is t by default.

 

for (3), I think I've seen that reported, but not seen it myself.  Your
repro steps, however, were good so now I see the problem.

 

On line 4925 the variable 'limitpos' is being set to something based on
characters in the line, including the period.  That means if you complete:

 

mystruct.plotmat <TAB>

 

it will complete ok without saying

 

mystruct.plotmatmystruct.plotmatrix

 

Unfortunately, when you complete for edit, the return completed file name
has a . in it.

 

To fix this, we'd have to add a little hack to know it was completing for
'edit' specifically, and to ignore the .

 

I suppose an alternative would be to take the completion string, and search
for the matching substring in the replacement string, and replace only that.
I don't think there is a utility in Emacs that matches like that.

 

(4) - the figure focus thing is annoying.  The problem here is just MATLAB
doesn't know where the command line is, so can't give focus back.  I don't
know how to fix that.

 

(5) - matlab-shell-run-region runs the region, but gud-print I think picks
some symbol under point to evaluate.   I use run region to highlight a bunch
of lines to run.

 

Eric