[Openmcl-devel] objc-bridge differences v1.2 - v1.3 ?

[Alexander Repenning]

I am pretty sure this is not relevant to your specific problem but as  
far as I can tell none of the easygui examples worked for me in 1.3r1  
because of the ns-string issue (Lisp string no longer being converted  
automatically in NSString. Trivial problem to fix but strange to find  
that the example folder had not been updated as part of the release.

We did update the Lisp User Interface (LUI) to work with 1.3. I will  
post at some time

alex


On Mar 19, 2009, at 3:39 AM, Arthur W Cater wrote:

> Hi,
>
> I've developed some code on my ppc powerbook using cclv1.2 that I'm  
> testing on darwinx8664 before uploading it.
> I have a problem trying to #/performClose: a window, where the  
> window is an instance of Cocoa-Window
> which I have defined as a subclass of ns:ns-window, and ccl:+null-ptr 
> + is used as 'sender'.
> Perform-Close is one of my new functions.
>
> This works on 32-bit ppc with CCL1.2 r11813M, not with CCL1.3  
> r11820M on x8664, where I get
>
>
> ? (easygui::perform-close easygui::*w)
> > Error: #<PARSE-UNKNOWN-TYPE unknown type (@METACLASS CocoaWindow)>
> > While executing: #<Anonymous Function #x3000413D05DF>, in process  
> Listener(11).
> > Type :POP to abort, :R for a list of available restarts.
> > Type :? for other options.
> 1 > :b
> (23160A50) : 0 (FUNCALL #'#<Anonymous Function #x3000413D05DF>  
> #<COCOA-WINDOW [NIL] #x300041EC4E3D> #S(CCL::OBJC-SELECTOR :NAME  
> "performClose:" :%SEL #<A Foreign Pointer #x7FFF815A9DB0>) #<A Null  
> Foreign Pointer>) 429
> (23160A78) : 1 (FUNCALL #'#<(:INTERNAL CCL::SEND-UNAMBIGUOUS-MESSAGE  
> (SHARED-INITIALIZE :AFTER (CCL::OBJC-DISPATCH-FUNCTION T)))> #<COCOA- 
> WINDOW [NIL] #x300041E7FEFD> #<A Null Foreign Pointer>) 501
> (23160AB8) : 2 (FUNCALL #'#<#<STANDARD-METHOD EASYGUI:PERFORM-CLOSE  
> (EASYGUI:WINDOW)>> #<EASYGUI::VIEW-HIERARCHY-DEMO-WINDOW  
> #x300041E808DD>) 397
> (23160AD8) : 3 (CALL-CHECK-REGS EASYGUI:PERFORM-CLOSE  
> #<EASYGUI::VIEW-HIERARCHY-DEMO-WINDOW #x300041E808DD>) 229
> (23160B10) : 4 (TOPLEVEL-EVAL (EASYGUI:PERFORM-CLOSE EASYGUI::*W)  
> NIL) 733
> (23160BB0) : 5 (READ-LOOP :INPUT-STREAM #<SYNONYM-STREAM to  
> *TERMINAL-IO* #x300041A34C2D> :OUTPUT-STREAM #<SYNONYM-STREAM to  
> *TERMINAL-IO* #x300041A34ACD> :BREAK-LEVEL 0 :PROMPT-FUNCTION  
> #<Compiled-function (:INTERNAL CCL::READ-LOOP) (Non-Global)   
> #x3000404E6BFF>) 2069
> <snip>
> 1 > :raw 1
> (23160A78) : 1 (FUNCALL #'#<(:INTERNAL CCL::SEND-UNAMBIGUOUS-MESSAGE  
> (SHARED-INITIALIZE :AFTER (CCL::OBJC-DISPATCH-FUNCTION T)))> #<COCOA- 
> WINDOW [NIL] #x300041DA80FD> #<A Null Foreign Pointer>) 501
>  0 CCL::SELECTOR: #S(CCL::OBJC-SELECTOR :NAME "performClose:" :%SEL  
> #<A Foreign Pointer #x7FFF815A9DB0>) (:INHERITED)
>  1 FUNCTION: #<Anonymous Function #x3000413D05DF> (:INHERITED)
>  2 CCL::RECEIVER: #<COCOA-WINDOW [NIL] #x300041DA80FD> ("required")
>  3 CCL::ARGS: (#<A Null Foreign Pointer>) ("rest")
>  4 : #<Anonymous Function #x3000413D05DF>
>
> I then installed CCLv1.3 r11824 on my 32-bit ppc, and it doesn't  
> work there either.
> The backtrace is virtually the same except it has an extra line at  
> the beginning:
>  (F0300B80) : 0 (CHECK-NS-EXCEPTION #<A Foreign Pointer [stack- 
> allocated] (:* #) #x3E3A690>) 336
>
>
> Two kinds of explanation come to my mind:
> 1 - perhaps something that has happened in other bits of my code has  
> corrupted memory;
>     after all I don't see any reason for any parsing to be taking  
> place
> 2 - perhaps something is different in the objc bridge other than it  
> no longer converting lisp strings
>    to nsstrings: that's the only thing I notice in the v1.3 release  
> notes.
>
> Any insight would be much appreciated.
>
> Arthur
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Prof. Alexander Repenning

University of Colorado
Computer Science Department
Boulder, CO 80309-430

vCard: http://www.cs.colorado.edu/~ralex/AlexanderRepenning.vcf


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