Re: Wisp error location?

[Arne Babenhauserheide]

Hi simon,

Did you get to a workaround that works for you?

Best wishes,
Arne

Arne Babenhauserheide <address@hidden> writes:

> Dear simon,
>
> Thank you for writing!
>
> The error-reporting in wisp is currently not at the level of regular
> Scheme. For some errors you already get the line numbers, but others
> still lack them.
>
> The happy case: If you run the following via guile --language=wisp
> /tmp/test.w, for example, you get the correct line number of the error:
>
>
> define : sqr x
>        * x x
>
> define : add1 x
>        error "foo ~a" 'foo
>        1+ x
>
> add1 2
>
>
> Adding line number information for compile errors will still take some
> time — it should be fixable, but I will have to do more reading up on
> Guile compiler internals for that, so I cannot promise a fix within the
> next months.
>
> However you can use a workaround: in case of an error automatically
> transform the file to regular scheme and run the compiler on that
> again. The line numbers should then match exactly.
>
> I know that that’s only a workaround, but it should already ease
> debugging a lot. I hope it helps you!
>
> guild compile -f wisp /tmp/test.w || (wisp2lisp /tmp/test.w > /tmp/test.scm 
> && guild compile /tmp/test.scm)
>
>
> Best wishes,
> Arne
>
>
> zimoun <address@hidden> writes:
>
>> Dear,
>>
>> As you maybe know, the Guix Workflow Language [1] now support the Wisp
>> notation [2].
>> And it improves the readibility, IMHO.
>> Nice!
>>
>>
>> [1] https://archive.fosdem.org/2017/schedule/event/guixworkflowmanagement/
>> [2] https://git.savannah.gnu.org/cgit/gwl.git/tree/gwl/utils.scm#n34
>>
>>
>>
>> However, Wisp v0.9 does not support (yet?) the location when it fails
>> to compile.
>> I have not tried the v1.0 because it is not packaged in Guix, yet. :-)
>>
>> Just to fix the idea:
>>
>> define : sqr x
>>        * x x
>>
>> define add1 x
>>        1+ x
>>
>>
>> then `guild compile -f wisp ~/tmp/test.w` fails with:
>>
>> ice-9/boot-9.scm:752:25: In procedure dispatch-exception:
>> Syntax error:
>> unknown location: source expression failed to match any pattern in
>> form (define add1 x (#{1+}# x))
>>
>> and it is not always to find where the location is. Compared to the
>> Lisp notation, the line is pointed:
>>
>> ice-9/boot-9.scm:752:25: In procedure dispatch-exception:
>> Syntax error:
>> /home/simon/tmp/test.scm:5:0: source expression failed to match any
>> pattern in form (define add1 x (#{1+}# x))
>>
>>
>> Does it seem fixable ?
>>
>>
>> Thank you in advance for any comments.
>>
>> All the best,
>> simon
>>
>> ps:
>> I do not if there is a dedicated mailing list about Wisp or a bug tracker.
>> Sorry if it is incorrectly addressed and let me know where to post.


-- 
Unpolitisch sein
heißt politisch sein
ohne es zu merken

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