Re: whither stack traces?

Hi Dave,

try using General.exnMessage instead of plain exnMessage.

(The problem you are seeing is caused by some limitations to
the way CM handles the compilation of the Basis library --
especially bindings that are available at toplevel, i.e., not
within modules.)

Matthias

On Nov 29, 2006, at 7:53 AM, Dave Herman wrote:

> Vesa Karvonen wrote:
>
>> Did you try General.exnMessage:
>
> John Reppy wrote:
>
>> The SML'97 basis functions exnName and exnMessage are probably
>> being used for this purpose.
>
> I tried that with the following code:
>
>      fun printStackTrace e =
>          let val ss = SMLofNJ.exnHistory e
>          in
>              print ("uncaught exception " ^ (exnMessage e) ^ "\n");
>              app (fn s => print ("\t" ^ s ^ "\n")) ss
>          end
>
> and got this output:
>
> uncaught exception Match (more info unavailable: ExnInfoHook not
> initialized)
>          main.sml:6.46
>
> I had no luck finding information about ExnInfoHook. Google doesn't  
> know
> it. :)
>
> Thanks,
> Dave
>
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