[plt-scheme] scheme/sandbox and gui stuff?

I'm working on the ACK! business, but its good to have an example that
doesn't work.

Thanks,
Robby

On Wed, May 28, 2008 at 12:03 PM, Matthew Flatt <mflatt at cs.utah.edu> wrote:
> I think that the main bug that you're seeing has been fixed in the last
> couple of days. (The `gui-available?' funrction from
> `scheme/gui/dynamic', which the sandbox uses, wasn't working right.)
>
> If I run this now, I get a slightly different error:
>
>  ACK! didn't find drscheme's stackframe when filtering
>  . file-or-directory-modify-seconds: file access denied
>  (/Users/mflatt/Library/Preferences/org.plt-scheme.prefs.ss read)
>
> This error reflects that the sandbox doesn't let Slideshow access the
> preferences file. (The "ACK!" prefix looks like a DrScheme problem
> taht's still there.)
>
> Running
>
>  #lang scheme/gui
>  (require scheme/sandbox)
>  (define e
>   (parameterize ([sandbox-security-guard (current-security-guard)])
>     (make-evaluator 'slideshow)))
>
> with the latest in SVN works for me.
>
>
> Matthew
>
> At Wed, 28 May 2008 12:42:26 -0400 (EDT), Danny Yoo wrote:
>> I'm seeing the following error when I try running this program under
>> DrScheme's module language:
>>
>> #####################################
>> #lang scheme/gui
>> (require scheme/sandbox)
>> (define e (make-evaluator 'slideshow))
>> #####################################
>>
>>
>>
>> The error is:
>>
>> ###################################################################
>> Welcome to DrScheme, version 3.99.0.25-svn16may2008 [3m].
>> Language: Module; memory limit: 512 megabytes.
>> ACK! didn't find drscheme's stackframe when filtering
>> . . exception raised by error display handler: directory-exists?: file
>> access denied (/ exists); original exception raised: dynamic-require:
>> unknown module: '#%mred-kernel
>> ###################################################################
>>
>>
>> I haven't been able to use the gui module in an sandbox evaluator yet.
>> Any help would be appreciated.  Thanks!
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