[IronPython] Very strange problem with ExecuteFile

Giles Thomas giles.thomas at resolversystems.com
Wed Nov 22 18:50:41 CET 2006


Thanks, that makes sense.  The code we have that was showing the problem 
is auto-generated, so we should be able to get our generator to split it 
up into smaller chunks and execute them separately.


Regards,

Giles

Martin Maly wrote:
> Exactly. In console, each statement is compiled into its own CLR method so you won't hit this problem.
>
> Martin
>
> -----Original Message-----
> From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of Giles Thomas
> Sent: Wednesday, November 22, 2006 8:12 AM
> To: Discussion of IronPython
> Subject: Re: [IronPython] Very strange problem with ExecuteFile
>
> Martin,
>
> We don't see the same problem in the IronPython console; is this because
> it is executing the file somehow differently - perhaps line-by-line,
> maintaining a context dictionary?
>
>
> Regards,
>
> Giles
>
>
>
> Martin Maly wrote:
>   
>> I believe in this case the exception is result of what seems to be a CLR limitation. The code (in this case one static method) IronPython needs to generate to handle this input is too big and CLR/Jit then throws invalid program exception.
>>
>> The only workaround I am aware of is to split the code up to multiple functions.
>>
>> Martin
>>
>> -----Original Message-----
>> From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of Giles Thomas
>> Sent: Wednesday, November 22, 2006 6:07 AM
>> To: Discussion of IronPython
>> Subject: [IronPython] Very strange problem with ExecuteFile
>>
>> When the attached test.py is executed using ExecuteFile (sample .cs file also attached), we get the following exception:
>>
>>     System.InvalidProgramException: Common Language Runtime detected an invalid program.
>>
>> The problem does not occur under the IP Console (which I guess doesn't use ExecuteFile).  My best guess is that the problem occurs when the complexity of the parse tree exceeds some particular limit.
>>
>> Does anyone have any ideas for a workaround or a fix?  This one is causing us serious problems, so any thoughts would be much appreciated.
>>
>>
>> Regards,
>>
>> Giles
>>
>> --
>> Giles Thomas
>> Resolver Systems
>> giles.thomas at resolversystems.com
>>
>> _______________________________________________
>> users mailing list
>> users at lists.ironpython.com
>> http://lists.ironpython.com/listinfo.cgi/users-ironpython.com
>>
>>     
>
> --
> Giles Thomas
> Resolver Systems
> giles.thomas at resolversystems.com
>
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>   

-- 
Giles Thomas
Resolver Systems
giles.thomas at resolversystems.com

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