[asterisk-users] How to write custom functions in AEL2 ,

[Olivier]

2009/5/11 Watkins, Bradley <Bradley.Watkins at compuware.com>

> ________________________________
>
>        From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Olivier
>        Sent: Monday, May 11, 2009 3:30 AM
>        To: Asterisk Users Mailing List - Non-Commercial Discussion
>        Subject: [asterisk-users] How to write custom functions in AEL2
> ,
>
>
>        Hi,
>
>        I'm using asterisk 1.6.1 and AEL2.
>        I'm trying to find the best way to write my own custom functions
> ?
>
>
>        At the moment, I'm using this pattern (extensions.ael) :
>
>        context foo {
>        123 => {
>            &myfunc(123456);
>            NoOp(${GOSUB_RETVAL});
>        };
>
>        macro myfunc (arg) {
>            Return (${arg});
>        }
>
>        1. First, I keep getting warnings like
>        Warning: file /etc/asterisk/extensions.ael, line 446-446:
> application call to Return affects flow of control, and needs to be
> re-written using AEL if, while, goto, etc. keywords instead!
>        and I would like to get rid of them.
>
> Unfortunately, AEL does not support using return with a value at the
> moment.  There is a patch on Reviewboard that does this, as well as
> *simple* direct assignment from an AEL macro return:
> http://reviewboard.digium.com/r/114/


Fine : that's exactly what I was looking for !
Unfortunately,  at the moment, this feature is still worked on.

> <http://reviewboard.digium.com/r/114/>
>
>
>
>        2. Secondly, I would like not to use GOSUB_RETVAL  and call a
> custom function just like I'm calling other functions with statements
> like :
>        123 => {
>             NoOp(TOLOWER(fOo BaR));
>             NoOp(myfunc(123456));
>        };
>
>        What would you advise me to do ?
>
> That requires rather a lot more work than the above patch, but if you
> use the direct assignment at least you needn't worry about GOSUB_RETVAL.
>
>
> Regards,
> - Brad
>
> _______________________________________________
> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
>
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>   http://lists.digium.com/mailman/listinfo/asterisk-users
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20090511/cf966178/attachment.htm