> The problem is that if you put it in the rendering code this will
> basically get invoked every 30 ms. A more practical solution is to
> use haltOnce. This is the same as halt, only that it is guarded by a
> global flag. Just make sure that you enable it from the Debug world
> menu.
I am not expert in Morphic, but I feel there is a bug in how
exceptions in Morph are handled. Create a subclass of Morph and put a
"self halt" (or "1/0") in the drawOn: method. Open the morph and it
will appear in red, telling that there is an error in the render loop.
Now, for some reason, when blocks are heavily, the image freeze. I
tried to isolate the error (i.e., without Mondrian), but I could not
figure out how to do it.
Alexandre
>
> Cheers,
> Doru
>
>
> On 2 Dec 2009, at 13:10, Johan Fabry wrote:
>
>> Hi Stef,
>> this is the same behavior as what I reported in
http://code.google.com/p/pharo/issues/detail?id=1525
>> and
http://code.google.com/p/moose-technology/issues/detail?id=237>> How to reproduce is also there.
>> On 02 Dec 2009, at 08:30, Stéphane Ducasse wrote:
>>
>>> Do you have a example that we can reproduce?
>>>
>>> Stef
>>>
>>> On Dec 1, 2009, at 9:23 PM, Alexandre Bergel wrote:
>>>
>>>>> Regarding the problem with the number of arguments in the block.
>>>>> Why is it crashing the image?
>>>>
>>>> The image is not crashing actually. It just hangs on forever
>>>> without giving a chance to interrupt the process.
>>>>
>>>>> Anyway, you might want to use an approach similar to the
>>>>> implementation of glamourValue: in Glamour.
>>>>
>>>> It could be a nice fix, but clearly not a general solution. The
>>>> image hangs because of a bug in Squeak/Pharo. For some reason,
>>>> the exception thrown by the virtual machine is not properly caught.
>>>> This is a hard problem that will need to be fixed some days.
>>>>
>>>> Alexandre
>>
>> --
>> Johan Fabry
>>
[hidden email] -
http://dcc.uchile.cl/~jfabry>> PLEIAD Lab - Computer Science Department (DCC) - University of Chile
>>
>>
>>
>>
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>
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