RE: [Beanshell-users] RE: Announce: Upcoming BeanShell 1.3 Scoping Changes...

the new beanshell scoping is similar to perl's, right? eg:

sub foo() {
    $bar1 = "going down"; # global
    my $bar2 = "the road"; # local
}

or, translated to beanshell:

foo() {
    bar1 = "going down"; // global
    var bar2 = "the road"; // local
}

if so then at least beanshell has company... now whether that
is good or bad company, well.. :)

j.


> -----Original Message-----
> From: Daniel Leuck [mailto:[email protected]] 
> Sent: Wednesday, June 25, 2003 1:31 PM
> To: [email protected]; 'Shankar Unni'; 
> beanshell-developers-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
> Subject: RE: [Beanshell-users] RE: [Beanshell-dev] Announce: 
> Upcoming BeanShell 1.3 Scoping Changes...
> 
> 
> > In BeanShell 1.3 the assignments
> > now follow the "strict Java" style of applying wherever the
> > variable was defined, or ultimately in the global scope if 
> > not defined at all.  
> 
> I think the first part is great, the second part, as Shankar 
> pointed out, is problematic.
> 
> I really think making auto-declared variables global will 
> cause massive pollution of the namespace, introduce bizarre 
> and hard to track bugs, and cause beanshell to be unsuitable 
> for large scripts.
> 
> -----Original Message-----
> From: beanshell-developers-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org 
> [mailto:beanshell-developers-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org] On 
> Behalf Of Pat
> Sent: Thursday, June 26, 2003 5:07 AM
> To: Daniel Leuck; 'Shankar Unni'; 
> beanshell-developers-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
> Subject: Re: [Beanshell-users] RE: [Beanshell-dev] Announce: 
> Upcoming BeanShell 1.3 Scoping Changes...
> 
> On Thu, Jun 26, 2003 at 04:14:24AM +0900, Daniel Leuck wrote:
> > Hi Pat,
> > 
> > I just noticed the "global" scope second part of this statement.  I 
> > missed that the first time around (damn that sake!)  I 
> think the local 
> > scope should be used for auto-declarations, otherwise won't 
> you have 
> > pollution of the namespace causing larger scripts to be massively 
> > confusing?
> 
> I really don't like it either and have been wondering if I 
> should recant ;) I hate having to hide my variables in the new style.
> 
> But do we really want most people to have to say:
> 
> setFlag() {
>     super.flag = true;
> }
> 
> as opposed to:
> 
> setFlag() {
>     flag = true;
>     var localVar = false; // as needed
> }
> 
> The former seems very awkward for the most common usage and 
> the latter also seems more consistent with Java. 
> 
> Looking at it again, the change just seems the right thing to do.
> 
> We could formaliz the "local scoping" mode by making a 
> command to turn it on 
> or off, scoped by namespace?  It would be easy to do.  So 
> some of us could 
> start our scripts with:
> 
> setLocalScoping( true );
> 
> and continue working in the old style...  but gack.
> 
> BTW, in the process of rewriting the user manual making this 
> change allows me 
> to remove several pages of explanation and just seems more 
> natural.  Sometimes that's the best indication of the right 
> thing to do.
> 
> I'm open to suggestions.
> 
> 
> Pat
> 
> 
> 
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