From: Charles Oliver Nutter <headius@...>
Date: 2009-09-03T14:19:51+09:00
Subject: Re: Kind of ParsTree for 1.9.1

On Mon, Aug 10, 2009 at 7:17 AM, Robert Dober<robert.dober@gmail.com> wrote:
> I am not sure I get you here, when I call ruby -a it surely would not
> be too late for the compiler to keep the AST. My question was rather,
> would it be too much overhead for the VMs to be prepared to have the
> AST and expose it via an API in that case?
>
> Probably that is much work OTOH it would be great for studies and experiments.
> I hoped Charles would have some time to give me his view on this, but
> of course he is a very busy man.

The problem remains that ASTs may be different, or not even exist on
some impls that go straight to bytecode. Storing a source
representation would be easier, and then you can use an offline parser
library at runtime to parse it to whatever form you want.

- Charlie