[antlr-interest] Dynamic AST node

[Jim Idle]

Pass in the type as a parameter and use conditional rewrites or use  
the parameter as the node type in the rewrite.

Jim

On Sep 4, 2009, at 12:09 AM, Elnur Cabarov <elnur.j at gmail.com> wrote:

> Hi,
>
> I've got a rule that is called from multiple other rules. I want  
> dynamically modify AST node for every invocation.
>
> For example:
>
> variable
>     :    type ID -> ^(VARIABLE type ID);
>
> I want VARIABLE node be dynamic, that is it can also be PARAMETER  
> when called from somewhere else.
> My case is not as simple as this, so duplicating rules is not  
> acceptable.
> Also I'd prefer use dynamic attribute scopes, because rules are  
> nested into many levels and rule attributes are not desirable too :)
>
> Thanks
>
> -- 
> Elnur Cabarov
>
> List: http://www.antlr.org/mailman/listinfo/antlr-interest
> Unsubscribe: http://www.antlr.org/mailman/options/antlr-interest/your-email-address