Re: display-backtrace

[Catonano]

Il giorno ven 1 mar 2019 alle ore 12:47 Mike Gran <address@hidden> ha
scritto:

> On Sun, Feb 17, 2019 at 12:07:08PM +0300, Vladimir Zhbanov wrote:
> > Hi,
> >
> > Is there a way to not limit backtrace output with current terminal
> > width setting? When I compile my project which uses autotools and
> > srfi-64 testing suite, it fails on `make distcheck' stage so I
> > cannot use REPL for debugging (well, I don't know if it's possible
> > in such a case). When looking at backtrace, it shows me lots of
> > parens and lots of ellipses so I don't see real (long) filenames
> > and procedure names and can only guess what's happening. I use
> > Emacs `compile' command to run `make'. Showing backtrace lines
> > without such limitations would be much more helpful.
>
> Vladimir,
>
> One way to accomplish this is to set the COLUMNS environment variable
> to a large number.  You might also try calling the terminal-width
> procedure with the number of columns you want.  The terminal-width
> procedure is in the (system repl debug) module.  Note that there is a
> different terminal width in each thread of your program, so maybe
> setting the COLUMNS environment variable would be easier.
>
> But I haven't tried these methods, so I don't know what will happen,
> exactly.
>
> Good luck,
>
> Mike Gran
>

In the manual, I see there's this procedure:

debug-set! option-name value
     Modify the debug options.  ‘debug-enable’ should be used with
     boolean options and switches them on, ‘debug-disable’ switches them
     off.


and you can see the debug options with

debug-options

at the promtp