On Thu, May 14, 2009 at 11:58 PM, David T. Lewis <lewis at mail.msen.com>wrote:

> On Thu, May 14, 2009 at 12:47:11PM -0700, marcelo Cortez wrote:
> >
> > --- El jue 14-may-09, David T. Lewis <lewis at mail.msen.com> escribi?:
> >
> > > De: David T. Lewis <lewis at mail.msen.com>
> > > Asunto: Re: [squeak-dev] Where is FilePlugin ? was Error installing
> Omnibase
> > > Para: "The general-purpose Squeak developers list" <
> squeak-dev at lists.squeakfoundation.org>
> > > Fecha: jueves, 14 de mayo de 2009, 4:26 pm
> > > On Thu, May 14, 2009 at 08:58:01AM
> > > -0700, marcelo Cortez wrote:
> > > >
> > > > Mariano , Folks
> > > >
> > > > the 3.9.1 stock image seems to be fine, but the
> > > OmniBase test require
> > > > FilePlugin. how to load it?
> > >
> > > FilePlugin is included in the VMMaker package, available on
> > > SqueakSource.
> >
> > You mean compiling ?
> > The Vmmaker process is obscure for me, is posible avoid compiling?
> > here any guide or link?
> > Vmmaker brings a compiled version of this plugin?
> > (dll files for win32 platform).
>
> No, you do not need to compile anything.
>
> I do not know what is in the OmniBase test, so apologies in advance
> if I am not giving the right information. However, this may help:
>
> FilePlugin is a Smalltalk class, just like any other class. It happens
> to be part of the VMMaker package (on SqueakSource, or from SqueakMap
> or Universes if you do not mind a slightly older version).
>
> I do not know why OmniBase tests would require FilePlugin, but
> assuming that it does use it for some reason, you can get a copy
> of the FilePlugin class by loading VMMaker.
>
> For background (and you do not need to know this for Omnibase, but
> it may be of interest), the Squeak virtual machine (/usr/local/bin/squeak,
> or Squeak.exe) is written largely in Smalltalk. When building an
> executable Squeak VM, a number of Smalltalk classes are translated
> to C source code, and from that into executable machine code. The
> class FilePlugin is one of the Smalltalk classes that serve as
> "source code" in this process, such that it can both be used as
> ordinary Smalltalk, and can also be translated into C code for
> inclusion in the VM.
>
> You do not need to worry about the executable FilePlugin module,
> because every Squeak VM already has this included (either directly
> compiled into the VM executable, or as a separate loadable module).
> If that were not the case, you would not be able to access files
> from Squeak, so you would not be able to load the image file or
> do much of anything.
>
> So don't worry about the FilePlugin executable, it is already present
> in your Squeak system. On the other hand, the Smalltalk class FilePlugin
> (which you can think of as the source code for the executable FilePlugin)
> is only present if you load it e.g. from the VMMaker package on
> SqueakSource.
> Once you have loaded this into your image, the methods in class
> FilePlugin can be evaluated just like any other method. My guess would
> be that the OmniBase tests are evaluating some method in class
> FilePlugin (I don't know why), so you need to have the FilePlugin
> class loaded, but you should not need to worry about compiling anything.
>
> Dave
>


Wow! What a good explanation! Thanks for this Dave. I didn't know what
FilePlugin was. I just saw it were as plugin.

Cheers,

Mariano
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