[squeak-dev] [ANN] Live type information for Smalltalk

karl ramberg karlramberg at gmail.com
Mon Nov 26 20:24:51 UTC 2018

Looks really cool. This will be really useful in development.


On Sat, Nov 24, 2018 at 4:52 PM Hernan Wilkinson <hernan.wilkinson at gmail.com>

> Hi all!,
> I wanted to let you know that I have implemented a "feature" to have type
> information "live". Currently it is implemented on Cuis but the idea is to
> port it to Pharo and Squeak as well.
> This feature is based on a few changes on the VM that collects the class
> of the object assigned to a variable, a parameter or when returning from a
> method. That information is available from the image and allows to improve
> the tools radically, like the autocompletion on the browser, looking for
> senders/implementors and even "scoping" the refactorings based on the type
> info.
> I presented it at the last Smalltalks (the argentinean smalltalk
> conference) and I'm happy to announce its alpha version (1/1000) asFloat :-)
> Here is a link to the repo that has the VM and a Cuis image to play with
> it:
> https://github.com/hernanwilkinson/Cuis-Smalltalk-DynamicTypeInformation
> It also has the source of the VM's changes if you want to see how it is
> implemented. Currently it is implemented only in the stack VM and the VMs I
> compiled and uploaded to the repo are 64 bits for MacOs and Linux. (I don't
> have a Windows machine to compile it :-) )
> Here is a link to a video that shows how it is implemented and how to use
> it: https://t.co/n8FQuo7pKZ
> If you want to see the slides of the presentation, here is the link:
> https://www.slideshare.net/hernanwilkinson/dynamic-type-information
> I would love for you to try it and get feedback, ideas, etc.
> I really believe it is a "killer feature", something that could take
> Smalltalk one step further and show the way to other dynamically typed
> languages.
> Cheers!
> Hernan
> --
> *HernĂ¡n WilkinsonAgile Software Development, Teaching & Coaching*
> *Phone: +54 - 011 - *6091 - 3125
> *Mobile: +54 - 911 - 4470 - 7207email:
> hernan.wilkinson at 10Pines.comsite: http://www.10Pines.com
> <http://www.10pines.com/>*
> Address: Alem 693, Floor 5 B, Buenos Aires, Argentina
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