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Re: Interactive Debugging

From: Mark H Weaver
Subject: Re: Interactive Debugging
Date: Fri, 18 Oct 2019 17:21:59 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux)

"Thompson, David" <address@hidden> writes:

> On Fri, Oct 18, 2019 at 8:40 AM Matt Wette <address@hidden> wrote:
>> On 10/17/19 9:39 PM, Christopher Howard wrote:
>> > Hi, it seems like with the flexibility of Guile, I should be able to do
>> > something like this:
>> > ```(define (foo)  (let ((a 1)        (b 2)        (c 3))    (jump-into-
>> > debugging-repl)))```
>> > And have access to a, b, and c and their values. But I'm not quite
>> > figuring out how to this.
>> >
>> Define dump-into-debugging-repl as
>> (start-repl #:debug (make-debug (stack->vector (make-stack #t)) 0
>> "trap!" #t))
> I think something like this should be shipped in the (system repl
> debug) module.  I'm used to quick and easy access to a debugger in
> other languages, such as Ruby, and having to wrap your head around the
> REPL, debug, and stack code is too much to ask of any new Guiler.

For what it's worth, I think something like this would be a welcome
addition.  However, my knowledge of the Guile debugger is currently
quite weak, so I'd prefer to hear from Andy before proceeding.


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