Re: Python's pdb module

[Tim Meehan]

Thanks for the ideas folks!

> On Apr 30, 2021, at 08:24, Matt Wette <matt.wette@gmail.com> wrote:
> 
> 
>> On 4/29/21 8:26 PM, Tim Meehan wrote:
>> Is there something in Guile that is similar to Python's "pdb" module?
>> For instance, sometimes I find it helpful to pause right before something
>> bad happens with:
>> 
>> #!/usr/bin/env python3
>> import pdb; pdb.set_trace()
>> some_function_that_is_going_to_fail_miserably()
> 
> I started on something years ago but never got it working as nice as python,
> as the guile debugger still needs some help to get there.   Try this snippet.
> 
> (define-syntax-rule (jump-to-debugger)
>   (if (eqv? 'regular (vm-engine))
>       (give-warning)
>       (start-repl
>        #:debug (make-debug (stack->vector (make-stack #t)) 0 "trap!" #t))))
> 
> You'll need some of this mess to resolve procedures:
> 
> (use-modules (system repl repl))
> (use-modules (system repl debug))
> (use-modules (system repl common))
> (use-modules (system repl command))
> (use-modules (system vm frame))
> (use-modules (system vm vm))
> (use-modules (ice-9 control))
> (use-modules (ice-9 rdelim))
> (use-modules (ice-9 pretty-print))
> (use-modules (system base compile))
> 
> Matt
> 
>