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Tue Nov 15 13:22:21 CET 2005 · http://mail.python.org/pipermail/python-dev/2005-November/058140.html

2005/11/15, Nick Coghlan <ncoghlan at iinet.net.au>:
> Specifically, the body of the entire function is written inside a switch
> statement, with 'break' then used as the equivalent of "raise Exception". For
> example:
>
>    PyObject* switchAsTry()
>    {
>      switch(0) {
>        default:
>          /* Real function body goes here */
>          return result;
>      }
>      /* Error cleanup code goes here */
>      return NULL;
>    }
>
> It avoids the potential for labelling problems that arises when goto's are
> used for resource cleanup. It's a far cry from real exception handling, but
> it's the best solution I've seen within the limits of C.

<delurk>
do {
    ....
    ....
} while (0);

Same benefit and saves some typing :)

Now back to my usual hiding place.
</delurk>

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[Python-Dev] Memory management in the AST parser & compiler