On Thursday 15 May 2008 23:53, Michel Arboi wrote:
> On Thu, May 15, 2008 at 11:30 PM, Thomas Reinke <[EMAIL PROTECTED]>
wrote:
> > Variables in a function in NASL do not _need_ to be declared.
>
> Isn't it magical?
I guess it is more a conceptual element of the NASL programming
language. Its not a new concept (many other programming languages behave
similar), so I wouldn't exactly call it "magic".
> > If the variable is not declared at all, it will be created,
> > automatically, with a global scope.
>
> Or maybe not? Who knows?
Are you saying that Thomas is wrong?
> > 1) Change the nasl "compiler" to force all variables to be
> > explictly declared;
>
> Which is, as far as I can remember, incredibly easy.
I guess so, too.
> > 2) Default undeclared variables to a local scope;
>
> That looks like a good idea.
I am not sure that automagic is good for this type of
programming. Better to make the developer aware of
anything that he believed to be implicitly correct.
> Maybe I already had it.
Are you saying you even implemented this already?
Why are you in doubt?
> > 3) Have a "lint" style checker that examined functions and
> > warned of global variable usage, which could then be vetted
> > as acceptable (or not)
>
> Which is probably not very complicated.
I guess it is a simple as option one, in fact it is more or less
identical ;-)
Best
Jan
--
Dr. Jan-Oliver Wagner Intevation GmbH
Amtsgericht Osnabrück, HR B 18998 http://www.intevation.de/
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