[Cuis] About Squeak's FFI package ported to Cuis

[H. Hirzel]

On 1/23/13, H. Hirzel <hannes.hirzel at gmail.com> wrote:
> Hello Juan
>
> tank you for the explanations how to find out about the porting
> status. This is fine. However I think it is easier for future porting
> efforts to archive a copy of the original in the same repository.
>
> I now have created an FFI repository on github
>
>     https://github.com/hhzl/Cuis-FFI
>
>
> As initial commit it contains a copy of what you have done:
>
>    https://github.com/bpieber/Cuis-StyledTextEditor/blob/master/FFI.pck
>
>
> And in the branch
>     https://github.com/hhzl/Cuis-FFI/tree/UpdateJanuary2013
>
> I am working on a update.
>
> I add the FFI-Tests category. I only did two minor fixes and it is
> left with 3 tests failing.
>
> Details see
>
> https://github.com/hhzl/Cuis-FFI/blob/UpdateJanuary2013/notes/PortingNotes.md
>
> Actually only one thing prevents them from all passing.
>
> The <primitive: 'primitiveFFIIntegerAtPut' module:'SqueakFFIPrims'> fails.
>
> Here I do not know how to continue.
>
> You write in another thread that you used it on MSWindows. What did
> you use it for? Could you provide an example?

Examples which run fine

https://github.com/hhzl/Cuis-FFI/blob/UpdateJanuary2013/Win32Utils.st

       Win32Utils getEnvironmentVariables


https://github.com/hhzl/Cuis-FFI/blob/UpdateJanuary2013/Win32Shell.st

       Win32Shell new shellExplore: 'c:\'



> Kind regards
>
> Hannes Hirzel
>
> On 1/17/13, Juan Vuletich <juan at jvuletich.org> wrote:
>> Hi Hannes,
>>
>> (below)
>>
>> H. Hirzel wrote:
>>> On 1/16/13, Juan Vuletich <juan at jvuletich.org> wrote:
>>>
>>>> Hi Hannes,
>>>>
>>>> H. Hirzel wrote:
>>>>
>>>>> And I see that there is as well FFI
>>>>>
>>>>> https://github.com/bpieber/Cuis-StyledTextEditor/blob/master/FFI.pck
>>>>>
>>>>> Where did the code come from?
>>>>> What is the status?
>>>>>
>>>>>
>>> ..
>>>
>>>> It came from Squeak's FFI package. The status is usable. I used it only
>>>> on Windows, but there should not be (big) problems to use it on other
>>>> platforms.
>>>>
>>>> Cheers,
>>>> Juan Vuletich
>>>>
>>>>
>>>
>>> Thank you, Juan,  for the clarification. Good to know that we have the
>>> FFI (Foreign Function Interface) package in Cuis.
>>>
>>> Squeak has the following load script in the 'extending the system'
>>> workspace
>>>
>>> (Installer repository: 'http://source.squeak.org/FFI')
>>> 	install: 'FFI-Pools';
>>> 	install: 'FFI-Kernel';
>>> 	install: 'FFI-Tests';
>>> 	install: 'FFI-Win32';
>>> 	install: 'FFI-MacOS';
>>> 	install: 'FFI-Unix'.
>>>
>>> So I assume you took the code from http://source.squeak.org/FFI?
>>>
>>> Your
>>> https://github.com/bpieber/Cuis-StyledTextEditor/blob/master/FFI.pck
>>> was changed 9 months ago.
>>>
>>> In that case probably everything released in 2011 was included but not
>>> the updates by Torsten Bergmann, right?
>>>
>>> Just curious, do you remember, was it more or less a 1:1 file-in as it
>>> does not touch GUI classes or did you have to do changes?
>>>
>>> --Hannes
>>>
>>>
>>
>> Querying the code is more reliable than querying my memory. Let me guide
>> you.
>>
>> - In an updated Cuis Image, open a File List. Navigate to FFI.pck.
>> Select it. Click on (code). This opens a browser on the package code
>> without actually loading it.
>> - Open a web browser on http://source.squeak.org/FFI . Download the last
>> version of each Monticello package.
>> - In Cuis, open a File List, navigate to the .mcz files. Select each
>> one, and click on (code). Yes, Cuis can show you the contents of
>> Monticello packages.
>>
>> Now it is rather easy to see that FFI.pck includes the stuff in
>> FFI-Kernel and FFI-Pools. No platform specific stuff is included.
>>
>> So, you think that the Cuis package doesn't include some newer cool
>> updates. (I haven't been following  Torsten's work.) Ok. Let's see. Now
>> do install the FFI.pck. Select FFI-Kernel.mcz. This time select
>> contents. A browser that shows a list of methods opens. Now select any
>> method. Mhh. Well, the package uses the Cr line separators, not Lf as in
>> Cuis. No big deal. Click on (linePrettyDifs). Now line separators and
>> formatting are not an issue when comparing code. Click (deselectAll) Now
>> do 'select methods equivalent to current' (via right click menu on the
>> methods list) and 'remove selected methods'.
>>
>> Now you can compare the differences, see what changes were needed for
>> Cuis, see what has been changed recently in the Squeak package, etc.
>>
>> Cheers,
>> Juan Vuletich
>>
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>>
>