Does anybody know if the problem occurs just in Windows or in any OS? this
can give a clue of the problem...

On Thu, Jul 30, 2009 at 11:28 PM, Javier Pimás
<[email protected]>wrote:

> Well, at least I feel better that I'm not crazy, (or not the only one...).
> Maybe if someone could give us a clue about it, we could spot where the
> problem is. Do you think it is a vm problem or something related to the
> smalltalk code?
>
> 2009/7/30 Mariano Martinez Peck <[email protected]>
>
> Yes. This is really annoying for me. I am writing a C library plugin since
>> a year and a half and this is very frustrated :(
>> You cannot debug when using FFI. I mean, you cannot get advantages of one
>> of the best Smalltalk features! What I do is to write a self break before
>> and after the call and use "proceed" but I don't like it at all.
>>
>> Once I tried to see what the problem was, but I was to difficult to me to
>> understand it and fix it. We need a guru here I think hahaha.
>>
>> Best,
>>
>> Mariano
>>
>> 2009/7/30 Javier Pimás <[email protected]>
>>
>>> Hi, I'm having problems with the debugger. Every time I try to debug code
>>> that uses FFI, if I step over a message that internally does an FFI call, I
>>> get an externalCallFailed error and then I land in
>>> MethodContext(ContextPart)>>runUntilErrorOrReturnFrom:
>>> If I run the code without debugging, then I have no problems at all.
>>>
>>> I'm using SqueakPharo v3.11.2 with pharo0.1-10373web09.07.2.
>>>
>>> To reproduce it you can try this:
>>>
>>> ScriptLoader loadFFI.
>>> then load latest GLMorphic from squeaksource, and uncomment the "self
>>> break." in
>>> GLCanvas>>displayString:from:to:at:strikeFont:kern:
>>>
>>> doit
>>> World fullDrawOn: GLDisplayScreen testCanvas
>>> hit debug and step over until you reach
>>> ogl glTexImage2D: GLTexture2d with:...
>>>
>>> also you'll see wrong values for local vars, like aPoint which will look
>>> as #(nil nil nil nil nil) when it'll actually have a point.
>>>
>>> Is there any other way to set up a break point instead of adding self
>>> break to the code??
>>>
>>> Thanks,
>>>        Javier.
>>>
>>> --
>>> Javier Pimás
>>> Ciudad de Buenos Aires
>>>
>>> _______________________________________________
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>>>
>>
>>
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>
>
>
> --
> Javier Pimás
> Ciudad de Buenos Aires
>



-- 
Javier Pimás
Ciudad de Buenos Aires
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