[isabelle-dev] Methods that fail with stack-overflow

Dmitriy Traytel traytel at in.tum.de
Thu Jul 3 13:59:50 CEST 2014

On 03.07.2014 13:57, Peter Lammich wrote:
> Hi,
> I recently ran into a method that produced a stack-overflow.
> The good thing is: In the current jedit version, it is properly
> highlighted and you immediately see that there is some error. (This was
> not always the case in the past)
> The bad thing: The only way how to get a clue what is going wrong is to
> open the "raw output panel". This writes "stack-overflow" then, without
> any location or trace. How to enable tracing for those exceptions, in
> particular as Toplevel.debug seems to have gone away?
Quoting from the NEWS:

> * Discontinued old Toplevel.debug in favour of system option
> "ML_exception_trace", which may be also declared within the context
> via "declare [[ML_exception_trace = true]]".  Minor INCOMPATIBILITY.


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