Re: how to make a snippet which takes an infinite number of parameters?

I'd be willing to help with the implementation if you have ideas to share.

On May 2, 2011, at 2:01 PM, Joao wrote:

> Notice that what you're requesting is not quite the same as the python
> snippets, which have a finite number of fields, but the mirror system
> parses the possibly infinite number of arguments in the active field,
> and shows each one in a separate line.
> 
> I think this is only possible if you use the "# type: command"
> directive in the snippet header, a feature present only in the trunk
> version. But it's really not easy at the moment, and I don't have time
> to provide an implementation. You would need a per-snippet exit hook
> that allowed you to expand another snippet. That's currently on the
> wishlist but I don't have time to implement it in yasnippet.el.
> 
> Look through the archives of this mailing to find a good working
> example where you provide the dimensions of a matrix through the
> minibuffer. The generated snippet then has a variable number of
> fields. It's not quite what you requested but might be useful.
> 
> João
> 
> On May 2, 9:26 pm, Shaleh <sha...@...> wrote:
>> Say  I want to allow for the following result:
>> 
>> repeating a=3 b=3 c=5 ....
>> 
>> So at input time I would see something like:
>> func<tab> (outputs repeating <cursor>=)
>> repeating a<tab>= (outputs repeating a=<cursor>)
>> repeating a=3<tab> (outputs repeating a=3 <cursor>=)
>> 
>> and so on. So this way I can keep pressing tab and entering values.
>> When I press enter or otherwise stop adding values the loop ends.
>> 
>> Is there a way to accomplish this? Looking at the python 'class'
>> example I see some elisp generating output based on the addition of
>> arguments to the __init__() method. It was not clear that this
>> mechanism could be manipulated to give me the result I want though.
>> What I want is something like "func ($1=$2)+" to say it with regex.
> 
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