From owner-sc22wg5@dkuug.dk Fri Oct 10 11:55:59 2003 Received: (from majordom@localhost) by dkuug.dk (8.12.10/8.9.2) id h9A9txrV041581 for sc22wg5-domo; Fri, 10 Oct 2003 11:55:59 +0200 (CEST) (envelope-from owner-sc22wg5@dkuug.dk) X-Authentication-Warning: ptah.dkuug.dk: majordom set sender to owner-sc22wg5@dkuug.dk using -f Received: from mail22.messagelabs.com (mail22.messagelabs.com [62.231.131.211]) by dkuug.dk (8.12.10/8.9.2) with SMTP id h9A9tpEt041562 for ; Fri, 10 Oct 2003 11:55:52 +0200 (CEST) (envelope-from malcolm@nag.co.uk) X-VirusChecked: Checked X-Env-Sender: malcolm@nag.co.uk X-Msg-Ref: server-26.tower-22.messagelabs.com!1065779769!1436029 X-StarScan-Version: 5.1.9.3; banners=nag.co.uk,-,- Received: (qmail 5022 invoked from network); 10 Oct 2003 09:56:09 -0000 Received: from smtp-6.star.net.uk (212.125.75.75) by server-26.tower-22.messagelabs.com with SMTP; 10 Oct 2003 09:56:09 -0000 Received: (qmail 22157 invoked from network); 10 Oct 2003 09:56:02 -0000 Received: from nagmx1.nag.co.uk (HELO nag.co.uk) (62.231.145.242) by smtp-6.star.net.uk with SMTP; 10 Oct 2003 09:56:02 -0000 Received: from brackley.nag.co.uk (brackley.nag.co.uk [192.156.217.21]) by nag.co.uk (8.9.3/8.9.3) with ESMTP id KAA19900 for ; Fri, 10 Oct 2003 10:55:49 +0100 (BST) Received: (from malcolm@localhost) by brackley.nag.co.uk (8.11.1/8.11.1) id h9AA0V031514 for sc22wg5@dkuug.dk; Fri, 10 Oct 2003 11:00:31 +0100 (BST) (envelope-from malcolm) From: Malcolm Cohen Message-Id: <200310101000.h9AA0V031514@brackley.nag.co.uk> Subject: Re: (SC22WG5.3027) Statement separation/termination To: sc22wg5@dkuug.dk Date: Fri, 10 Oct 2003 11:00:31 +0100 (BST) X-Mailer: ELM [version 2.4ME+ PL61 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Score: 0 () Sender: owner-sc22wg5@dkuug.dk Precedence: bulk Walt Brainerd said: >Re: J3/03-007R2 FCD, 3.3.1.3 29:11 and 3.3.2.3 30:6 > >A ";" shall not appear as the first nonblank character >on a line. Correct. >I think Fortran 90 allowed > > X = Y & > ; P = Q Not so. The original text of 3.3.1.2 was somewhat unclear, and in any case was altered by interpretation 121, which I believe was included in corrigendum 3. >The F95 std has the same text. Yes, it has the approved text from the interpretation. >To see what is really going on ;-), one consults the >F95 Handbook, where the phrase "unless it is a >continuation line" is appended. No, that is the authors' opinion. It is not a WG5 or J3 document. >If this is wrong, can we fix it as a comment on >a country vote? > >Then let's fix this whole mess the "right way"(TM) >in the next version. No, I don't see the need for this Technical Change. Put it on the list for F2010. Cheers, -- ...........................Malcolm Cohen, NAG Ltd., Oxford, U.K. (malcolm@nag.co.uk) P.S. Here is the interp from 96-006r2, before corrigendum 3. NUMBER: 000121 TITLE: ";" As a Statement Separator KEYWORDS: source form - statement separator, ";" DEFECT TYPE: Erratum STATUS: WG5 approved; ready for SC22 QUESTION: Are the following cases legal? (1) C = A ; + B (2) F = ; & G (3) ; P = Q The phrase "partial statements" used in sections 3.3.1.2 and 3.3.2.2 would suggest that they are legal code fragments. It was likely the intention that the semicolon be permitted after a complete statement and (possibly) before the start of a subsequent statement. ANSWER: None of the cases are conforming. Discussion: The phrase "partial statements" used in 3.3.1.2 and 3.3.2.2 was intended to describe the strictly lexical entity resulting when a line is continued in mid-statement. A statement interrupted by continuation, and the associated portion on the subsequent line, are two partial statements. Thus it was intended that breaking a statement into two partial statements be accomplished by continuation only, and not also by the ";" separator. Edits are provided to avoid the use of the phrase "partial statements" while making more concise the intention of the standard committee. With these edits, the following are conforming examples, and cases (1), (2) and (3) are nonconforming. F = & G ; P = & ! conforming Q F = & G ; P = Q ! conforming F = G ; P = & ! conforming Q EDITS: 1. Section 3.3.1.2 [22:44-45], change the first sentence to read as follows: 'The character ";" terminates a statement, except when the ";" appears in a character context or in a comment. This optional termination allows another statement to begin following the ";" on the same line. A ";" must not appear as the first nonblank character on a line.' 2. Section 3.3.1.2 [23:1-2], eliminate the last sentence of this section (it becomes redundant with edit 1). 3. Section 3.3.2.2 [23:36-37], change the first sentence to read as follows: 'The character ";" terminates a statement, except when the ";" appears in a character context, in a comment, or in character position 6. This optional termination allows another statement to begin following the ";" on the same line. A ";" must not appear as the first nonblank character on a line, except in character position 6.' 4. Section 3.3.2.2 [23:39-40], eliminate the last sentence of this section (it becomes redundant with edit 3). SUBMITTED BY: Paul St. Pierre, 119-PSP-1 HISTORY: 119-PSP-1 (initial submission) ui 94 (jw note) 92-284 m123 considered 94-072r1 m128 new response approved uc 94-116 m129 X3J3 ballot failed 13-10 94-243r1 m130 Revised 3rd edit and revised question to be closer to original question. Approved u.c. 94-306 m131 X3J3 ballot approved 19-0 95-044 m132 WG5 ballot, approved, accept Reid edit. ________________________________________________________________________ This e-mail has been scanned for all viruses by Star Internet. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk ________________________________________________________________________