Pegged, a Parsing Expression Grammar (PEG) generator in D

[Andrei Alexandrescu]

On 3/11/12 1:38 AM, Philippe Sigaud wrote:
> On Sun, Mar 11, 2012 at 08:26, Andrei Alexandrescu
> <SeeWebsiteForEmail at erdani.org>  wrote:
>
>> Any chance you consider adding AST generator actions as discussed in the
>> main forum a while ago?
>
> The AST is automatically produced, and there are already AST actions
> to simplify / guide its creation. There already is an 'ignore that
> node' syntax and a 'fuse the captures here'.
> Also, semantic actions are there, so I think the basis is there, I
> just need to add a few tree actions : cut children, take only some
> children.
>
> I'll add it today.
>
> But maybe you had something else in mind? I'll go and search for the
> thread you refer to.

I was thinking of ANTLR-style operators in which you say where the root 
should be and you get to drop unnecessary nodes.

(Post on 2012/02/29 10:19AM GMT-0600.)


Andrei