Re: [Jython-users] Bug in version 2.0 compiler!

[<bc...@wo...>]

[D-Man]

>
>Through a small piece of stupid code, I found a bug in the Jython 2.0
>compiler.
>
>In a function (in a class, in a module if it matters) I had the
>following code :
>
>    del some_var
>
>Originally some_var existed (a temporary local), but though some
>modifications some_var no longer existed.  Trying to run the app
>yielded the following (partial) result :
>
>./run.bash Main.py
>Traceback (innermost last):
>  File "Main.py", line 33, in ?
>  File "SessionTests\__init__.py", line 25, in ?
>java.lang.NullPointerException
>...

The stacktrace is gone in 2.1a1 ...

>Obviously the error was on my part (can't del a var that DNE), but the
>compiler should give a more informative error message (;-)).  Maybe it
>should wait and give a NameError during exection, since it is possible
>that I created the name through exec() or something.  (I didn't use
>any fancy dynamism in this case)
>
>I just checked against CPython and found this:
>
>>>> def foo( ):
>...     del dne
>...
>>>> foo()
>Traceback (most recent call last):
>  File "<stdin>", line 1, in ?
>  File "<stdin>", line 2, in foo
>UnboundLocalError: Local variable 'dne' referenced before assignment

.. but 2.1a1 still doesn't work as CPython. I have made a bugreport
about this.

regards,
finn