[antlr-interest] Article against TreeWalkers

[Micheal J]

> I say:
> You don't need lots of classes. You don't need a switch 
> statement either. And frankly it's just not expensive to make 
> first class objects out of TokenTypes. Instead of trying to 
> describe the grammar using 3 levels of metadata, it can be 
> described in relationships. Much prettier model. 

Jeff,

A little too abstract for me so, coupla questions:

1. What are the 3 levels of metadata you mention is used to describe the
grammar?

2. Can you point to some code that illustrates your thinking (i.e.
describing the grammar in relationships)?.

Cheers,

Micheal