[antlr-interest] Do lists work with SteingTemplates?

[Terence Parr]

On May 24, 2007, at 8:05 AM, Ted Villalba wrote:

> Hi,
>
> I've sent a similar post, but perhaps this one is worded better. It  
> even includes a glossy ascii diagram.
> I'm wondering if anyone is using the following += notation to pass  
> a list in StringTemplates. I've not had any luck getting it to work..
> I basically have an AST with the following structure ^('=' tag value 
> +) , which creates an AST something like:
>           =
>      /    |     \
>     /     |       \
> tag value1  value2...
>
> I'm using a string template to pull these like so:
> expression : ^('=' tag (v+=value)+) -> template4(tag= 
> {$tag.text},values={$v}) ;
>
> But this fails to pull any of the values into the list and I get  
> empty lists back. If I simply pull singular values back, and remove  
> the += list construct from the grammar, it works fine, for example,  
> the case where tag = value1. It just fails when tag = value 1  
> value2. I have not found a way to capture value2.
>

Most likely situation is that value is not returning a template.

Ter