From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on yquem.inria.fr X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=disabled version=3.1.3 X-Original-To: caml-list@yquem.inria.fr Delivered-To: caml-list@yquem.inria.fr Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by yquem.inria.fr (Postfix) with ESMTP id 31756BBCA for ; Thu, 3 Apr 2008 01:14:04 +0200 (CEST) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ApoEAKSw80fAXQIn/2dsb2JhbACsLQ X-IronPort-AV: E=Sophos;i="4.25,595,1199660400"; d="scan'208";a="10999745" Received: from concorde.inria.fr ([192.93.2.39]) by mail3-smtp-sop.national.inria.fr with ESMTP; 03 Apr 2008 01:13:43 +0200 Received: from mail4-relais-sop.national.inria.fr (mail4-relais-sop.national.inria.fr [192.134.164.105]) by concorde.inria.fr (8.13.6/8.13.6) with ESMTP id m32NDgl6013887 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=OK) for ; Thu, 3 Apr 2008 01:13:43 +0200 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvQBAFOw80eDrhCRiGdsb2JhbACRUAEBAQ8mmiU X-IronPort-AV: E=Sophos;i="4.25,595,1199660400"; d="scan'208";a="24525622" Received: from smeltpunt.science.ru.nl ([131.174.16.145]) by mail4-smtp-sop.national.inria.fr with ESMTP; 03 Apr 2008 01:13:42 +0200 Received: from tandem.cs.ru.nl (tandem.cs.ru.nl [131.174.142.18]) by smeltpunt.science.ru.nl (8.13.7/5.23) with ESMTP id m32NDfNX021893 for ; Thu, 3 Apr 2008 01:13:41 +0200 (MEST) Received: from tews by tandem.cs.ru.nl with local (Exim 4.63) (envelope-from ) id 1JhC9F-0002no-IS for caml-list@inria.fr; Thu, 03 Apr 2008 01:13:41 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <18420.4901.506029.744640@tandem.cs.ru.nl> Date: Thu, 3 Apr 2008 01:13:41 +0200 To: caml-list@inria.fr Subject: Camlp4: example/parse_files.ml X-Mailer: VM 7.19 under Emacs 21.4.1 From: Hendrik Tews X-Scanned-By: MIMEDefang 2.63 on 131.174.16.145 X-Miltered: at concorde with ID 47F41326.000 by Joe's j-chkmail (http://j-chkmail . ensmp . fr)! X-Spam: no; 0.00; camlp:01 hendrik:01 tews:01 tews:01 parser:01 functor:01 camlp:01 ocaml:01 functor:01 syntax:01 syntax:01 functors:01 callbacks:01 iter:01 callbacks:01 Hi, I have a few questions to the parse_files example. The example starts with building the parser and printer via the following functor application module Caml = Camlp4.Printers.OCaml.Make (Camlp4OCamlParser.Make (Camlp4OCamlRevisedParser.Make (Camlp4.OCamlInitSyntax.Make(Ast)(Gram)(Quotation))));; 1. Can I omit the printer functor if I am only interested in parsing files (and not printing) and simplify to module Caml = Camlp4OCamlParser.Make (Camlp4OCamlRevisedParser.Make (Camlp4.OCamlInitSyntax.Make(Ast)(Gram)(Quotation))) 2. Ast, Gram, Quotation come from Camlp4.PreCast. Do I miss something if I simplify further to module Caml = Camlp4OCamlParser.Make (Camlp4OCamlRevisedParser.Make(Camlp4.PreCast.Syntax)) 3. I looked into the registration of syntax extentions (Register functors) and how the syntax extention callbacks are called in Register.iter_and_take_callbacks. I have the impression that in camlp4 not the above nested functor application is performed but the Make functors are sequentially applied to the same Syntax functor. Therefore, can I further simplify to module Caml = Camlp4.PreCast.Syntax let () = let module M1 = Camlp4OCamlRevisedParser.Make(Caml) in let module M2 = Camlp4OCamlParser.Make(Caml) in () ? Bye, Hendrik