Re: [asterisk-users] How to write custom functions in AEL2 ,
2009/5/11 Olivier
>
> 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));
>
> Here, I meant
NoOp(read this ${TOLOWER(fOo BaR)});
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Re: [asterisk-users] How to write custom functions in AEL2 ,
From: asterisk-users-boun...@lists.digium.com
[mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Olivier
Sent: Monday, May 11, 2009 3:30 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [asterisk-users] How to write custom functions in AEL2
,
Hi,
I'm using asterisk 1.6.1 and AEL2.
I'm trying to find the best way to write my own custom functions
?
At the moment, I'm using this pattern (extensions.ael) :
context foo {
123 => {
&myfunc(123456);
NoOp(${GOSUB_RETVAL});
};
macro myfunc (arg) {
Return (${arg});
}
1. First, I keep getting warnings like
Warning: file /etc/asterisk/extensions.ael, line 446-446:
application call to Return affects flow of control, and needs to be
re-written using AEL if, while, goto, etc. keywords instead!
and I would like to get rid of them.
Unfortunately, AEL does not support using return with a value at the
moment. There is a patch on Reviewboard that does this, as well as
*simple* direct assignment from an AEL macro return:
http://reviewboard.digium.com/r/114/
2. Secondly, I would like not to use GOSUB_RETVAL and call a
custom function just like I'm calling other functions with statements
like :
123 => {
NoOp(TOLOWER(fOo BaR));
NoOp(myfunc(123456));
};
What would you advise me to do ?
That requires rather a lot more work than the above patch, but if you
use the direct assignment at least you needn't worry about GOSUB_RETVAL.
Regards,
- Brad
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Re: [asterisk-users] How to write custom functions in AEL2 ,
2009/5/11 Watkins, Bradley
>
>
>From: asterisk-users-boun...@lists.digium.com
> [mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Olivier
>Sent: Monday, May 11, 2009 3:30 AM
>To: Asterisk Users Mailing List - Non-Commercial Discussion
>Subject: [asterisk-users] How to write custom functions in AEL2
> ,
>
>
>Hi,
>
>I'm using asterisk 1.6.1 and AEL2.
>I'm trying to find the best way to write my own custom functions
> ?
>
>
>At the moment, I'm using this pattern (extensions.ael) :
>
>context foo {
>123 => {
>&myfunc(123456);
>NoOp(${GOSUB_RETVAL});
>};
>
>macro myfunc (arg) {
>Return (${arg});
>}
>
>1. First, I keep getting warnings like
>Warning: file /etc/asterisk/extensions.ael, line 446-446:
> application call to Return affects flow of control, and needs to be
> re-written using AEL if, while, goto, etc. keywords instead!
>and I would like to get rid of them.
>
> Unfortunately, AEL does not support using return with a value at the
> moment. There is a patch on Reviewboard that does this, as well as
> *simple* direct assignment from an AEL macro return:
> http://reviewboard.digium.com/r/114/
Fine : that's exactly what I was looking for !
Unfortunately, at the moment, this feature is still worked on.
>
Re: [asterisk-users] How to write custom functions in AEL2 ,
On Mon, May 11, 2009 at 1:30 AM, Olivier wrote:
> Hi,
>
> I'm using asterisk 1.6.1 and AEL2.
> I'm trying to find the best way to write my own custom functions ?
>
>
> At the moment, I'm using this pattern (extensions.ael) :
>
> context foo {
> 123 => {
> &myfunc(123456);
> NoOp(${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.
>
This is easily done. Return() is calling the Return application; 'return',
however, is the keyword the AEL uses. Note the lack of a capital R at the
beginning of
the word "return". AEL is case sensitive and "Return" is not equal to
"return".
Also note that, as a previous reply mentions, that return takes no args,
that there is a patch available to upgrade to do that.
You don't need the patch to do what the patch does, tho. But, not having
refreshed my memory on the particulars, I will say
no more!
>
> 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));
> };
>
>
Again, check your version of Asterisk against whether AEL uses Gosub() to
implement macros.
The AEL2 wiki page on voip-info.org (
http://voip-info.org/wiki/view/Asterisk+AEL2 ) can also
be quite helpful at times!
> What would you advise me to do ?
>
> Regards
>
>
>
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>
--
Steve Murphy
ParseTree Corp
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