Re: Debugging and the GUI Editor; Qt help needed

[John W. Eaton]

On 03/28/2013 03:57 PM, Daniel J Sebald wrote:

> 1) Write a builtin routine "qtdbstop(FILE,RLINE)" that will send a
> signal to the editor that it should place a dot somewhere.
>
> 2) Now, create an M-script (kept under the libgui code) that will
> override Octave's dbstop internal routine, something like:
>
> function
> try
> RLINE = dbstop (FUNC,LINE);
> qtdbstop (FILE,RLINE);
> catch
> display ("Sorry, break point not set");
> endtry
>
> Is it possible to call Octave's builtin function from within an M-script
> with the same name?

I don't see how this is different from the way it works now, except
that qtdbstop is called indirectly, through a function pointer.  In
the current code, your proposed qtdbstop is the function
dbstop_hook_fcn defined in octave-main-thread.cc.  As I described in
my previous message, it unpacks its arguments and then sends a signal
to the editor.

jwe