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: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] 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: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] 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
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Giles Thomas
Resolver Systems
[EMAIL PROTECTED]

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Giles Thomas
Resolver Systems
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