[IronPython] Very strange problem with ExecuteFile

Giles Thomas giles.thomas at resolversystems.com
Wed Nov 22 08:12:01 PST 2006


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? 



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
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Giles Thomas
Resolver Systems
giles.thomas at resolversystems.com

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