[Cuis-dev] [Ann] Refinements to Exception handling

[Hernan Wilkinson]

Could you provide the case were it generates problems?

On Sun, Oct 13, 2019 at 11:40 AM Hernan Wilkinson <
hernan.wilkinson at 10pines.com> wrote:

> Hi,
>  I think that forbidden a non local return in an exception handler is not
> really the solution... Although I understand the motivation I think that
> changing the exception handling mechanism would be better.
>  I'm going to take a look at it to see if it is possible to do it.
>
> Hernan.
>
> On Sun, Oct 13, 2019 at 10:48 AM Juan Vuletich via Cuis-dev <
> cuis-dev at lists.cuis.st> wrote:
>
>> Hi Folks,
>>
>> Some time ago, Andrés (with just a tad of help from me) fixed a problem
>> in Exception handling. If exception handler blocks do non-local return
>> (^stuff), they will skip execution of part of the Exception handling
>> system code, breaking exception return values and possibly other 'bad
>> things'.
>>
>> I just pushed to GitHub a few updates with this work. Now, if an
>> exception handler does a non-local return, an Error will be raised. We
>> also fixed a couple of places in the image where this was being done.
>> BaseImageTests pass.
>>
>> This updates have some risk of breaking your code. If you you get this
>> error: 'Exception handler blocks must not do non local returns', then
>> you need to adjust your code. See updates #3917 to #3922 for the changes
>> done to the base image.
>>
>> Thanks,
>>
>> --
>> Juan Vuletich
>> www.cuis-smalltalk.org
>> https://github.com/Cuis-Smalltalk/Cuis-Smalltalk-Dev
>> https://github.com/jvuletich
>> https://www.linkedin.com/in/juan-vuletich-75611b3
>> @JuanVuletich
>>
>> --
>> Cuis-dev mailing list
>> Cuis-dev at lists.cuis.st
>> https://lists.cuis.st/mailman/listinfo/cuis-dev
>>
>
>
> --
>
> *Hernán WilkinsonAgile Software Development, Teaching & Coaching*
> *Phone: +54-011*-4893-2057
> *Twitter: @HernanWilkinson*
> *site: http://www.10Pines.com <http://www.10pines.com/>*
> Address: Alem 896, Floor 6, Buenos Aires, Argentina
>


-- 

*Hernán WilkinsonAgile Software Development, Teaching & Coaching*
*Phone: +54-011*-4893-2057
*Twitter: @HernanWilkinson*
*site: http://www.10Pines.com <http://www.10pines.com/>*
Address: Alem 896, Floor 6, Buenos Aires, Argentina
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