Re: IOR_FORTHERROR "Throw" error

Thanks, I'll let you know what I find.
Mike

-----Original Message-----
From: sftalk-bounce_at_forth.com [mailto:sftalk-bounce_at_forth.com]On
Behalf
Of Rick VanNorman
Sent: Friday, October 25, 2002 12:44 PM
To: Mike Ghan
Subject: [sftalk] Re: IOR_FORTHERROR "Throw" error

Mike,

The only place in the code is in the unhandled exception filter
in Exception.f. If windows gets an exception that it doesn't otherwise
know how to handle, it calls the WINCATCH callback, which does a
"IOR_WINEXCEPT THROW" and causes your grief.

Sorry to not be able to help more.

Rick

Friday, October 25, 2002, 12:33:48 PM, you wrote:

MG> Yes, that makes sense.

MG> But what would cause a IOR_FORTHERROR error? Common exception
errors
MG> are handled explicitly (e.g. 0 @ Access Violation, 0 / Divide
by
MG> Zero etc). You have probably guessed I've got a IOR_FORTHERROR
bug -
MG> my brain is smokin' too.

MG> PS - I can wait if your brain needs to cool.

MG> -----Original Message-----

MG> Mike,

MG> When a windows error had happens, the global error frame catches
MG> the error, and causes SwiftForth to execute a "normal" THROW with
MG> IOR_WINEXCEPT on the stack. IOR_WINEXCEPT is detected by THROW,
which
MG> emplaces IOR_FORTHERROR into the windows trap handler and
continues
MG> from there.

MG> The reason is to force THROW to snapshot the registers, return and
MG> data stack. These are available to .EXCEPT .

MG> My brain is smoking now, so even though this is not a complete
answer,
MG> I'll quit now.

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Received on Fri Oct 25 2002 - 12:47:55 PDT