[squeak-dev] SyntaxError while loading FFI

Eliot Miranda eliot.miranda at gmail.com
Tue Sep 15 18:20:33 UTC 2020


Hi Marcel,

On Tue, Sep 15, 2020 at 6:27 AM Marcel Taeumel <marcel.taeumel at hpi.de>
wrote:

> Hi all.
>
> >  In my main image, I tried to load FFI via the Preference Wizard, and
> after some loading conflicts which I explicitly needed to #allow through
> the debugger, I got the same syntax error ...
>
> Loading FFI via the Preference Wizard -- which uses the Installer directly
> -- works fine in current (fresh) trunk. No debuggers to confirm. No syntax
> error.
>

That's good to know.  I'll alter my VMMaker image build scripts to use
this.  But there's one code smell about this.  PreferenceWizardMorph is a
morph.  i wonder if it's worth-while separating PreferenceWizardMorph
into PreferenceWizardMorph
and PreferenceWizard.  It feels better changing the script to read
PreferenceWizard
new installFFI than having it rad PreferenceWizardMorph new installFFI.  If
you agree that this is OK, I can make the changes.


> I am updating that Metacello script right now. Be patient. :-)
>
> Best,
> Marcel
>
> Am 14.09.2020 18:35:46 schrieb Thiede, Christoph <
> christoph.thiede at student.hpi.uni-potsdam.de>:
>
> Hi Jakob,
>
>
> do you have a description of the correct loading order? In my main image,
> I tried to load FFI via the Preference Wizard, and after some loading
> conflicts which I explicitly needed to #allow through the debugger, I got
> the same syntax error ...
>
>
> Best,
>
> Christoph
> ------------------------------
> *Von:* Squeak-dev <squeak-dev-bounces at lists.squeakfoundation.org> im
> Auftrag von Jakob Reschke <forums.jakob at resfarm.de>
> *Gesendet:* Donnerstag, 10. September 2020 08:04:51
> *An:* The general-purpose Squeak developers list
> *Betreff:* Re: [squeak-dev] SyntaxError while loading FFI
>
> Hi Christoph,
>
> I had a similar issue and if I remember correctly got it resolved by
> loading the Tools subpackage of FFI. I think Marcel has recently split
> it.
>
> So if that is true, the load order in the baseline of FFI should be
> updated.
>
> Kind regards,
> Jakob
>
> Am Mi., 9. Sept. 2020 um 23:50 Uhr schrieb Thiede, Christoph
> <Christoph.Thiede at student.hpi.uni-potsdam.de>:
> >
> > Hi all,
> >
> >
> > I fear this could be a frequently discussed topic, but I did not know
> where to start else.
> >
> >
> > In the web, you can find the following instruction in order to load FFI
> at several places, amongst them the Swiki:
> >
> >
> > Metacello new configuration: 'FFI'; load.
> >
> >
> > If I do this in a fresh trunk image (#19838) without any extra installs,
> I get a syntax error:
> >
> >
> > ffiPrintString: aString
> >
> > "FFITestLibrary ffiPrintString: 'Hello'"
> >
> > <cdecl: "Literal constant expected ->"char* 'ffiPrintString' (char *)
> module:'SqueakFFIPrims'>
> >
> > ^self externalCallFailed
> >
> >
> > This is at the very least confusing, I think :-) Are there any
> undocumented dependencies or something like this?
> >
> > If I use the preference wizard instead, the installation succeeds. (It's
> not very convenient that it asks you for your initials during the
> installation, but this is only a small critique. :-))
> >
> > I just wanted to inform you about that.
> >
> >
> > Best,
> >
> > Christoph
> >
> >
>
>
>

-- 
_,,,^..^,,,_
best, Eliot
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