[Vm-dev] Merging FFI and Alien

Esteban Lorenzano estebanlm at gmail.com
Sun Jan 24 12:56:52 UTC 2016

> On 24 Jan 2016, at 13:38, Luc Fabresse <luc.fabresse at gmail.com> wrote:
> Hi Esteban,
> Question: why not "just" introducing Alien's callbacks in FFI and rename it (e.g. FFI-callbacks)?
> That would be simpler, no?

no is not :)
Callbacks works with Aliens, who are different than regular ExternalAddresses, then you need Aliens i.
In the future, that could be a project (to modify callback part of plugin)… but for now faster approach is what I’m describing :)


> - no Alien's history in FFI repo
> - not the full Alien's code (callout mechanism, ...) in FFI codebase
> - ...
> Cheers,
> #Luc
> 2016-01-24 12:57 GMT+01:00 Esteban Lorenzano <estebanlm at gmail.com <mailto:estebanlm at gmail.com>>:
> Hi,
> Recently I’ve been talking with Eliot and we came to the conclusion that FFI and Alien repositories needs to be merged.
> Our rational is that 1) both are different ways of doing the same (often with same primitives) and much more important 2) Alien contains the the “de facto” callback mechanism supported by the VM.
> Keeping them separated and treated as two different things is negative and an important source of confusion for people willing to do FFI this days.
> So, here is my proposal (already talked with Eliot).
> 1) unify http://source.squeak.org/FFI <http://source.squeak.org/FFI> and http://www.squeaksource.com/Alien <http://www.squeaksource.com/Alien> into http://source.squeak.org/FFI <http://source.squeak.org/FFI>
> That means copying into FFI repo all Alien history.
> 2) Rename Alien package into FFI-Alien (extract the Alien-Win32 category into its own package)
> 3) Create a ConfigurationOfFFI who takes properly FFI and FFI-Alien, etc.
> That means also deprecate Alien project in squeaksource (which usually is just put a WARNING text in home page :P)
> So… if nobody has a anything against this plan, I will do it next week :)
> cheers!
> Esteban

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