Help: Squeak Browser Plugin - Loading Project Fails in Browser
milan.zimmermann at sympatico.ca
Wed Dec 22 13:08:10 UTC 2004
Thanks for your explanation. I opened the changes-set that has the name of my
project, selected "make changes go to me" and imported the "other" change-set
i think the game is using, and I see how classes from there are added to the
changeset (and I assume eventually to my "Game.pr" after "export").
However, I have a problem of not understanding something deeper. I tried to
"save on file"(export) my "Game.pr" project several times, copy it to my web
site, and try to load from a Web Browser (http...). For every "save on file"
I get a different error when loading the project from the Web Browser. So far
I saw these:
Error: VMMakerTool is missing
Error: BalloonHelp is missing
Error: LanguageEditor is missing
Error: Wonderland is missing
I have no idea why, apart from thinking the exported project somehow maintains
pointers to classes in the image (v. 3.7) from which I export. I never
developed in Smalltalk so this is a mysterious area to me. I would like to
have some way , when still in the original image, to look at where the
classes referenced in the errors are pointed to in my Game, or perhaps
ability to examine the exported "Game.pr".
There is one thing I have to mention. During "save on file" I get this error:
'Some block(s) which reference instance variables
are included in this segment. These may fail when
the segment is loaded if the class has been reshaped.
What would you like to do?'
trueChoice: 'keep going'
falseChoice: 'stop and take a look'.
Is there perhaps anything I can do if I stop (this just takes me to the
debugger, but I am not clear what I could do to remove those "referenced
Sorry this is long, I am just trying to summarize, in case someone had a
similar problem and can give me some help for the next step,
PS: Scott sorry I originally sent to you not the list
On December 21, 2004 11:21 pm, Scott Wallace wrote:
> Hi, Milan,
> Yes, this is easy to do. Just have make certain that the change-set
> that is "current" in the project bears the code changes that you want
> to have "travel" with the project. Use a change-sorter for this, if
> necessary, to copy the additional changes you want into the Demo
> project's change-set before publishing it.
> If, upon publishing, a project's change-set is found to be non-empty,
> you are presented with a prompt asking whether you want those changes
> included in the .pr file; simply answer yes.
> Each time a user opens a project using the browser plugin, it
> involves a fresh launch of the squeak VM, retrieving a fresh, clean
> copy of the plug-in image from disk, so you don't need to worry about
> a project's errant code changes corrupting anything other than the
> project itself.
> -- Scott
> At 8:16 PM -0500 12/21/04, Milan Zimmermann wrote:
> >As a follow-up, I'd like to ask how to do following: Let's say I have a
> >project Demo.pr that I want to publish on the web, but I know it uses a
> >changeset that I imported to an image from which Demo.pr was exported
> > ("Saved on File").
> >Is there a way, during Project->Save On File, to ensure that changeset
> > will be exported along with Demo.pr? (I assume that inside the browser
> > plugin this would be implemented by copying the image as to not allow
> > ill-constructed projects to damage the "Browser Plugin image")
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