[Vm-dev] Some more effort to make Slang and VMMaker work on Pharo [for review]

[Steve Thomas]

On Tue, May 7, 2019 at 5:28 AM Guillermo Polito <guillermopolito at gmail.com>
wrote:

>
> Hi all,
>
> In the last couple of days I've worked a bit on making VMMaker work in
> Pharo again, based on the original effort of Eliot. I've produced a couple
> of patches that I've left in the VMMaker inbox (below I past the commits'
> info).
>
> With these changes I was able to generate, compile and run successfully so
> far the Stack VM on OSX (mojave). I've tried it with opensmalltalk-vm's
> platform code commit a838346b1, which is a commit previous to the migration
> to Metal.
>
> To make this work I've written some tests too. I've packaged them so far
> in a separate package (VMMaker-Tests). I've seen that currently VMMaker
> tests are inside the VMMaker package itself, but some of them are red in
> Pharo. I can move those tests to the VMMaker package itself if people see a
> value on them.
>
> In any case, I'm just submitting this for review :).
>
> Cheers,
> Guille
>
> ==== Patch 1 ====
> Name: VMMaker.oscog-GAP.2533
> Author: GAP
> Time: 7 May 2019, 10:57:16.034354 am
> UUID: 3209319f-60f3-4586-8d03-cfac3c9fddee
> Ancestors: VMMaker.oscog-eem.2532
>
> Convert numeric constants to strings for concatenation.
> Required for Pharo compatibility, where the arguments of concatenation are
> not automatically coerced to strings.
>
> ==== Patch 2 - Pharo specific package ====
> Name: VMMakerCompatibilityForPharo6-GuillermoPolito.10
> Author: GuillermoPolito
> Time: 7 May 2019, 11:03:08.229705 am
> UUID: 4f49f938-aa44-0d00-8739-04000059f8ce
> Ancestors: VMMakerCompatibilityForPharo6-eem.9
>
> Fixes in AST translation to make it work as in Squeak
> - to:do: => to:by:do: with extra arguments
> - ifNil:ifNotNil: => ifTrue:ifFalse:
> - fix arguments in TMethods
> - fix comments in TMethods
> - add name at the level of TParseNode (#name is not defined in Object
> anymore in Pharo)
>
> Other
> - Added FileDirectory compatibility layer using FileSystem behind the
> scenes (see FileDirectory and VMMakerFile classes).
> - Added PackageOrganizer compatibility layer using RPackage behind the
> scenes.
> - Extending Scanner and SystemNavigation with compatibility methods
> - Extending Time with compatibility method
>
> ==== Patch 3 - Tests ====
> Name: VMMakerTests-GuillermoPolito.1
> Author: GuillermoPolito
> Time: 7 May 2019, 11:27:14.195596 am
> UUID: 77f9288f-aa44-0d00-873a-d0970059f8ce
> Ancestors:
>
> Tests for AST translation and C code generation
>
-- 

To some of us, writing computer programs is a fascinating game. A program
is a building of thought. It is costless to build, weightless, growing
easily under our typing hands. If we get carried away, its size and
complexity will grow out of control, confusing even the one who created it.
This is the main problem of programming. It is why so much of today's
software tends to crash, fail, screw up.

When a program works, it is beautiful. The art of programming is the skill
of controlling complexity. The great program is subdued, made simple in its
complexity.

- Martin Harverbeke (from Eloquent JavaScript
<http://eloquentjavascript.net/index.html>)
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