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 mail2-relais-roc.national.inria.fr (mail2-relais-roc.national.inria.fr [192.134.164.83]) by yquem.inria.fr (Postfix) with ESMTP id CA397BB84 for ; Mon, 22 Sep 2008 23:02:22 +0200 (CEST) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AiMHAC6k10hCXL8diGdsb2JhbACBXYobAYcgAQEBFSKkO4Fm X-IronPort-AV: E=Sophos;i="4.32,448,1217800800"; d="scan'208";a="15236138" Received: from concorde.inria.fr ([192.93.2.39]) by mail2-smtp-roc.national.inria.fr with ESMTP; 22 Sep 2008 23:02:22 +0200 Received: from mail2-relais-roc.national.inria.fr (mail2-relais-roc.national.inria.fr [192.134.164.83]) by concorde.inria.fr (8.13.6/8.13.6) with ESMTP id m8ML2MKh023276 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=OK) for ; Mon, 22 Sep 2008 23:02:22 +0200 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AiMHAC6k10hCXL8diGdsb2JhbACBXYobAYcgAQEBFSKkO4Fm X-IronPort-AV: E=Sophos;i="4.32,448,1217800800"; d="scan'208";a="15236137" Received: from dsl092-191-029.sfo1.dsl.speakeasy.net (HELO mail.endeavorgroup.com) ([66.92.191.29]) by mail2-smtp-roc.national.inria.fr with ESMTP/TLS/DHE-RSA-AES256-SHA; 22 Sep 2008 23:02:21 +0200 Received: from [192.168.1.10] (ALyon-157-1-17-129.w81-251.abo.wanadoo.fr [81.251.176.129]) (authenticated bits=0) by mail.endeavorgroup.com (8.14.0/8.14.0) with ESMTP id m8ML26LU003456 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 22 Sep 2008 14:02:17 -0700 Date: Mon, 22 Sep 2008 22:55:31 +0200 (CEST) From: Martin Jambon X-X-Sender: martin@martin.ec.wink.com To: caml-list@inria.fr Subject: Dum: dumper module with cycle detection Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Miltered: at concorde with ID 48D807DE.000 by Joe's j-chkmail (http://j-chkmail . ensmp . fr)! X-Spam: no; 0.00; filliatre:01 uncaught:01 printexc:01 arbitrarily:01 dumped:01 rec:01 exceptions:01 jambon:01 closure:01 data:02 data:02 configurable:02 output:02 string:02 string:02 Hi list, Wink.com is releasing a module called Dum for dumping data. It derives from Dumper by Richard W Jones (now Std.dump in Extlib) and from Size by Jean-Christophe Filliatre. http://oss.wink.com/dum/ The main improvement over the original Dumper is that shared values and therefore cycles are detected and labelled: # let rec loopy = 1 :: 2 :: loopy in Dum.p loopy;; - : string = "#0: (1 (2 #0))" Dum was originally developed to print the maximum out of uncaught exceptions, since the standard Printexc.to_string does not go arbitrarily deep and this was occasionally a source of frustration. Now data such as closure fields and object fields are dumped like regular data without causing particular problems or worries. The output is pretty-printed and its size limit is configurable. Enjoy! Martin, for Wink. -- http://wink.com/