[Fenfire-dev] Re: Repost 2: Functional PEG

[Benja Fallenstein]

Tuomas Lukka wrote:
> On Mon, Sep 08, 2003 at 10:55:56AM +0300, Benja Fallenstein wrote:
>
> > Hi Tuomas,
> >
> > this version of the PEG is better, but the real problems aren't 
> > addressed yet: I still don't know (quickly looking through the API 
> > javadoc) what hints are, what nodes are, what placeholders are, and what 
> > background groups are...
> >
> > These really need to be explained.
>
> Trying to do so below.

Ok, I understand placeholders now.

I don't understand FunctionInstance-- an instance of the class 
FunctionInstance represents an instance of a class implementing Function 
or NodeFunction? What's the point here? Why not use Function itself?

I still don't understand what hints are. I also don't know what a 
Functional is (it has no javadoc?!?).

I think that the "Creating functions" section may be the place to expand 
on how the whole thing works.

- Benja