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[Caml-list] ocamllex/yacc and camlp4
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Date: -- (:)
From: Alain Frisch <Alain.Frisch@e...>
Subject: Re: [Caml-list] ocamllex/yacc and camlp4
On Thu, 17 Jun 2004, Pierre Weis wrote:

>  1) ocamllex and ocamlyacc implementation technologies are damned fast
> and it is difficult to compete with them using streams.

As I understand it, the question was about implementing ocamllex/ocamlyacc
frontend (parsing the specifications) and backend (producing OCaml code)
using Camlp4, not about implementing lexers/parsers using Camlp4 grammars.

I wrote a pa_ocamllex some time ago (and it is included in the OCaml
distribution), but it is no longer in sync with new ocamllex features
(capture variables).

Using Camlp4 to parse the specifications has several advantages: simpler
build procedure (no intermediate file to be generated), support for
alternative syntaxes (e.g. the revised syntax).


-- Alain

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