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Groups > comp.lang.forth > #17548
| From | Andrew Haley <andrew29@littlepinkcloud.invalid> |
|---|---|
| Subject | Re: "comus" words |
| Newsgroups | comp.lang.forth |
| References | (8 earlier) <DtudnT2L-MpEmjLNnZ2dnUVZ_tidnZ2d@supernews.com> <k8p736$hji$1@speranza.aioe.org> <_9udnZB0GOraoC3NnZ2dnUVZ_uidnZ2d@supernews.com> <k8sht3$nig$1@speranza.aioe.org> <2fb1677a-8956-4382-9880-6415a85db5de@dg10g2000vbb.googlegroups.com> |
| Message-ID | <bO2dnZM42qd5YSzNnZ2dnUVZ8uydnZ2d@supernews.com> (permalink) |
| Date | 2012-11-25 05:11 -0600 |
Alex McDonald <blog@rivadpm.com> wrote: > On Nov 25, 7:38?am, "Ed" <inva...@nospam.com> wrote: >> Table 2.1 - Parsed text abbreviations >> >> ccc a parsed sequence of arbitrary characters, excluding >> the delimiter character >> >> As I read it S" is specified to parse and return ccc. If ccc is >> absent and nothing but delimiter characters are present as in the >> case of S" " then the result is undefined. Why? Are you saying that a parsed sequence cannot be zero-length? But 3.4.1, Parsing says " Unless otherwise noted, the number of characters parsed may be from zero to the implementation-defined maximum length of a counted string." So that canot be true. >> I apply a similar rationale to the specs for >> ." .( . >> >> I note Forth-94 ( explicitly states the number of characters in ccc may >> be zero which would break implementations using WORD. Well, yes, or you'd have a special-case restriction on empty comments. >> Make of it what you will. >> >> 6.1.0080 >> >> Execution: ( "ccc<paren>" -- ) >> >> The number of characters in ccc may be zero to the number of >> characters in the parse area. > > 3.4.1 Parsing > > Unless otherwise noted, the number of characters parsed may be from > zero to the implementation-defined maximum length of a counted string. > > What is not clear from the Forth200x spec is the address of a null > string; is 0 0 allowed? Does it matter? Is there any standard program that might be affected in any way? Andrew.
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"comus" words "Rod Pemberton" <do_not_have@notemailnotz.cnm> - 2012-11-18 20:55 -0500
Re: "comus" words "Elizabeth D. Rather" <erather@forth.com> - 2012-11-18 16:28 -1000
Re: "comus" words "Ed" <invalid@nospam.com> - 2012-11-19 20:14 +1100
Re: "comus" words Alex McDonald <blog@rivadpm.com> - 2012-11-19 07:20 -0800
Re: "comus" words "Ed" <invalid@nospam.com> - 2012-11-20 16:30 +1100
Re: "comus" words anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-11-20 10:22 +0000
Re: "comus" words "Ed" <invalid@nospam.com> - 2012-11-22 01:59 +1100
Re: "comus" words Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-11-21 09:34 -0600
Re: "comus" words anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-11-21 15:34 +0000
Re: "comus" words "Ed" <invalid@nospam.com> - 2012-11-23 13:56 +1100
Re: "comus" words "Elizabeth D. Rather" <erather@forth.com> - 2012-11-22 19:21 -1000
Re: "comus" words "Ed" <invalid@nospam.com> - 2012-11-24 12:14 +1100
Re: "comus" words "Elizabeth D. Rather" <erather@forth.com> - 2012-11-23 17:21 -1000
Re: "comus" words "Ed" <invalid@nospam.com> - 2012-11-25 18:37 +1100
Re: "comus" words Alex McDonald <blog@rivadpm.com> - 2012-11-25 02:38 -0800
Re: "comus" words Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-11-25 05:11 -0600
Re: "comus" words Alex McDonald <blog@rivadpm.com> - 2012-11-25 03:33 -0800
Re: "comus" words Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-11-25 05:45 -0600
Re: "comus" words Alex McDonald <blog@rivadpm.com> - 2012-11-25 10:47 -0800
Re: "comus" words Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-11-25 16:05 -0600
Re: "comus" words Alex McDonald <blog@rivadpm.com> - 2012-11-26 04:06 -0800
Re: "comus" words albert@spenarnc.xs4all.nl (Albert van der Horst) - 2012-11-26 15:12 +0000
Re: "comus" words "Rod Pemberton" <do_not_have@notemailnotz.cnm> - 2012-11-26 04:56 -0500
Re: "comus" words Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-11-26 05:16 -0600
Re: "comus" words Alex McDonald <blog@rivadpm.com> - 2012-11-26 03:51 -0800
Re: "comus" words "Rod Pemberton" <do_not_have@notemailnotz.cnm> - 2012-11-27 07:29 -0500
Re: "comus" words Alex McDonald <blog@rivadpm.com> - 2012-11-27 11:05 -0800
Re: "comus" words "Rod Pemberton" <do_not_have@notemailnotz.cnm> - 2012-11-28 07:09 -0500
Re: "comus" words Alex McDonald <blog@rivadpm.com> - 2012-11-28 10:13 -0800
Re: "comus" words "Rod Pemberton" <do_not_have@notemailnotz.cnm> - 2012-11-29 06:09 -0500
Re: "comus" words Alex McDonald <blog@rivadpm.com> - 2012-11-29 03:22 -0800
Re: "comus" words Peter Knaggs <pjk@bcs.org.uk> - 2012-11-29 21:32 +0000
Re: "comus" words "Ed" <invalid@nospam.com> - 2012-11-27 12:44 +1100
Re: "comus" words Coos Haak <chforth@hccnet.nl> - 2012-11-27 17:59 +0100
Re: "comus" words "Ed" <invalid@nospam.com> - 2012-11-29 12:53 +1100
Re: "comus" words Coos Haak <chforth@hccnet.nl> - 2012-11-29 10:59 +0100
Re: "comus" words Mark Wills <forthfreak@gmail.com> - 2012-11-29 02:22 -0800
Re: "comus" words Alex McDonald <blog@rivadpm.com> - 2012-11-29 02:58 -0800
Re: "comus" words Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-11-29 05:53 -0600
Re: "comus" words "Elizabeth D. Rather" <erather@forth.com> - 2012-11-29 09:38 -1000
Re: "comus" words Andy Valencia <vandys@vsta.org> - 2012-11-29 13:10 +0000
Re: "comus" words anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-11-29 13:52 +0000
Re: "comus" words Mark Wills <forthfreak@gmail.com> - 2012-11-29 06:09 -0800
Re: "comus" words Andy Valencia <vandys@vsta.org> - 2012-11-29 15:43 +0000
Re: "comus" words Coos Haak <chforth@hccnet.nl> - 2012-11-29 21:01 +0100
Re: "comus" words Bernd Paysan <bernd.paysan@gmx.de> - 2012-11-29 23:17 +0100
Re: "comus" words "Elizabeth D. Rather" <erather@forth.com> - 2012-11-29 17:01 -1000
Re: "comus" words "Ed" <invalid@nospam.com> - 2012-11-30 08:30 +1100
Re: "comus" words Coos Haak <chforth@hccnet.nl> - 2012-11-29 23:06 +0100
Re: "comus" words "Ed" <invalid@nospam.com> - 2012-11-30 16:23 +1100
Re: "comus" words Alex McDonald <blog@rivadpm.com> - 2012-11-29 03:14 -0800
Re: "comus" words "Ed" <invalid@nospam.com> - 2012-11-30 08:31 +1100
Re: "comus" words Alex McDonald <blog@rivadpm.com> - 2012-11-29 14:41 -0800
Re: "comus" words "Ed" <invalid@nospam.com> - 2012-11-30 16:19 +1100
Re: "comus" words Alex McDonald <blog@rivadpm.com> - 2012-11-30 02:31 -0800
Re: "comus" words "Ed" <invalid@nospam.com> - 2012-12-04 03:53 +1100
Re: "comus" words Alex McDonald <blog@rivadpm.com> - 2012-12-03 10:45 -0800
Re: "comus" words "Ed" <invalid@nospam.com> - 2012-12-06 18:31 +1100
Re: "comus" words Alex McDonald <blog@rivadpm.com> - 2012-12-06 01:37 -0800
Re: "comus" words albert@spenarnc.xs4all.nl (Albert van der Horst) - 2012-12-06 13:31 +0000
Re: "comus" words Alex McDonald <blog@rivadpm.com> - 2012-12-06 07:07 -0800
Re: "comus" words "Elizabeth D. Rather" <erather@forth.com> - 2012-11-29 17:04 -1000
Re: "comus" words Alex McDonald <blog@rivadpm.com> - 2012-11-30 02:29 -0800
Re: "comus" words Mark Wills <forthfreak@gmail.com> - 2012-11-19 05:33 -0800
Re: "comus" words anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-11-19 14:45 +0000
Re: "comus" words Alex McDonald <blog@rivadpm.com> - 2012-11-19 07:43 -0800
Re: "comus" words Alex McDonald <blog@rivadpm.com> - 2012-11-19 07:45 -0800
Re: "comus" words oh2aun@gmail.com - 2012-11-22 21:10 -0800
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