From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel,gmane.comp.statistics.pspp.devel Subject: Re: Fwd: [ELPA] New package: pspp-mode.el for PSPP/SPSS syntax highlighting Date: Sun, 05 Jul 2020 18:01:06 -0400 Message-ID: References: <4836167B-33A9-46A3-B586-20768E333E1D@gmx.de> <20200704151535.GA31917@jocasta.intra> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="30258"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: PSPP Development Mailing List , mail@vasilij.de, John Darrington , emacs-devel@gnu.org To: Ben Pfaff Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Jul 06 00:02:50 2020 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jsCin-0007kx-Uk for ged-emacs-devel@m.gmane-mx.org; Mon, 06 Jul 2020 00:02:49 +0200 Original-Received: from localhost ([::1]:55040 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jsCim-0008I0-UR for ged-emacs-devel@m.gmane-mx.org; Sun, 05 Jul 2020 18:02:48 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:34974) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jsChL-0007FQ-1n; Sun, 05 Jul 2020 18:01:19 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:20663) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jsChI-0004PO-MG; Sun, 05 Jul 2020 18:01:18 -0400 Original-Received: from pmg3.iro.umontreal.ca (localhost [127.0.0.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id B8B5E441036; Sun, 5 Jul 2020 18:01:14 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id DFD19441041; Sun, 5 Jul 2020 18:01:08 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1593986468; bh=wlXPtEphyckv6169YAqlTroYSZtUFo+IFPu9j3pq7rM=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=UQMo47d88HI3YrKZbPjTMzN1eu2uMDxJwuELR33rzaJ+INt9kVEoVbbwmJEudcHEj agaqBbP7ejf5QqsyEu+d1x+INuBu7Qxz6+jiB+6xS1fTWBXLUf4PHEsMWXHaT8jX0t 5fS8pPpUmEcmoTczq2Par/RfPmV5XtpQJZZiQYXqaXv1zCs/zy7mtu7912akUe9vOU NrKuWCNvdOQV2mfjhPvI5VJWEH+CRp2HAxhFHOwOaCeXIBgdfEgmcLM8zi9RKv2S8m Mj+rE9/7Lb20Tk7SiGgBl+h8n8mlrY2E7Z653jhwXYALSPeQgxhMUxfcM9m1xa2vc/ vGMt5k4qUBxUw== Original-Received: from alfajor (unknown [157.52.0.200]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 6FD5612020D; Sun, 5 Jul 2020 18:01:08 -0400 (EDT) In-Reply-To: (Ben Pfaff's message of "Sun, 5 Jul 2020 10:16:19 -0700") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/05 18:01:15 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:252718 gmane.comp.statistics.pspp.devel:7583 Archived-At: Hi Ben, Thanks for chiming in, > SPSS syntax is bizarre. It has two modes: "batch" and "interactive" mode. Aha! > A syntax file might be written in either syntax. There's no way to > easily guess which one. > > In "interactive" syntax, a command ends with a line that ends with . or > with a blank line. So that's the syntax that's documented in the Texinfo, and that's the syntax handled by `segmenter_parse_comment_1__`? > PSPP can be configured to interpret files in either syntax mode. It's a pain > requiring users to do this, so by default it tries to guess on a line-by-line > basis: if a line is not indented and if it begins with keywords that are an > SPSS command name, then it assumes that it is the beginning of a command > and that the previous command ended. This is nasty also, but it works > well most of the time regardless of what syntax mode the file was written > in. Thanks. I guess `pspp-mode.el` should try to reproduce the same DWIMish behavior. Yet another question: do comments (either "*" or "COMMENT") always start in column 0 or can they start indented or even on the same line as some other command, as in: input program. * let's get started. > I think that's why the file above gets treated the way it does. > > Maybe PSPP should treat comment commands specially. That would > be yet another special case in the lexer/parser, but maybe it is warranted. Of course, I prefer it when comments are handled in the lexer rather than in the parser, so they can occur anywhere between tokens, but I expect that this boat has sailed ;-) Stefan