armedbear-devel

armedbear-devel@common-lisp.net

1198 discussions

CDR for Package-Local Nicknames [Feedback Request]
by Alexander Fedorov 06 Jul '24

06 Jul '24

Dear all, Over 10 years ago, SBCL implemented the Package-Local Nicknames (PLNs) extension. Since then, PLNs have also been adopted by multiple implementations (ABCL, CCL, ECL, Clasp, Allegro CL and LispWorks) and are now widely used in many projects. However, PLNs are still considered experimental, as stated in the SBCL manual, since there is no formal specification for them, and each implementation interprets various corner cases differently. While the need for a specification has been previously discussed, I was unable to find any publicly accessible draft for one. Therefore, I have drafted a specification intended to become a CDR document. I initially wrote this draft about a year ago and have recently revised it. You can find the latest version here: https://gleefre.github.io/cdr-package-local-nicknames/index.html. There are currently nine unresolved standardization issues, each with at least one proposed resolution. Input on those issues would be particularly helpful, but any feedback is welcome! P.S. I am sharing this link across multiple platforms to reach as many lispers as possible. This includes various mailing lists (Lisp Pro, CDR-discuss and -devel for various CL implementations); IRC channels (#commonlisp and implementation-specific ones); the Lisp Discord server; several Telegram groups; and a post on Reddit. If you have any suggestions for additional places to share the link, please let me know. My apologies to those receiving this message multiple times. Best regards, Alexander Fedorov.

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[Last CfP] 17th European Lisp Symposium, May 6-7 2024, Vienna
by Didier Verna 18 Feb '24

18 Feb '24

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 17th European Lisp Symposium Call for Papers May 6-7 2024 Federal Computing Center, Vienna, Austria https://www.european-lisp-symposium.org/2024 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Important Dates ~~~~~~~~~~~~~~~ - Submission deadline: Feb. 25 2024 ** EXTENDED ** - Author notification: Mar. 24 2024 - Final papers due: Apr. 14 2024 - Symposium: May 6-7 2024 Scope ~~~~~ The European Lisp Symposium is a premier forum for the discussion and dissemination of all aspects of design, implementation, and application of any of the Lisp dialects, including Common Lisp, Scheme, Emacs Lisp, Clojure, Racket, ACL2, AutoLisp, ISLISP, Dylan, SKILL, Hy, Shen, Carp, Janet, uLisp, Picolisp, Gamelisp, TXR, and so on. We encourage everyone interested in Lisp to participate. The European Lisp Symposium invites high quality papers about novel research results, insights and lessons learned from practical applications, and educational perspectives. We also encourage submissions about known ideas as long as they are presented in a new setting and/or in a highly elegant way. Topics include but are not limited to: - context-, aspect-, domain-oriented and generative programming - macro-, reflective-, meta- and/or rule-based development approaches - language design and implementation - language integration, inter-operation, and deployment - development methodologies, support, and environments - educational approaches and perspectives - experience reports and case studies This year, we suggest an emphasis on best practices, approaches, and technologies for building highly recursive and self-adapting architectures, in particular for AI, ML, tool integration and instruction generation, using dynamic programming languages. Technical Program ~~~~~~~~~~~~~~~~~ We invite submissions in the following forms. * Papers: technical papers of up to 8 pages that describe original results or explain known ideas in new and elegant ways. * Experience reports: papers of up to 6 pages describing a successful use of a Lisp dialect and/or analyzing obstacles that have kept it from working in practice. * Tutorials: abstracts of up to 4 pages for in-depth presentations about topics of special interest. * Demonstrations: abstracts of up to 4 pages for demonstrations of tools, libraries, and applications. All submissions should be formatted following the ACM SIGS guidelines and include ACM Computing Classification System 2012 concepts and terms. Submissions should be uploaded to Easy Chair, at the following link http://www.easychair.org/conferences/?conf=els2024. Note: to help us with the review process please indicate the type of submission by entering either "paper", "demo", or "tutorial" in the Keywords field. Programme Chair ~~~~~~~~~~~~~~~ Giuseppe Attardi, University of Pisa, Italy Organizing Chair ~~~~~~~~~~~~~~~~ Didier Verna, EPITA, France Programme Committee ~~~~~~~~~~~~~~~~~~~ Ambrose Bonnaire-Sergeant, Untypable LLC Frederic Peschanski, UPMC/LIP6 Jay McCarthy, UMass Lowell Jim Newton, EPITA Research Lab Kai Selgrad, OTH Regensburg Mark Evenson, not.org Michael Raskin, LaBRI/CNRS UMR 5800, University of Bordeaux Robert Smith, HRL Laboratories LLC Robert P. Goldman, SIFT LLC Stefan Monnier, Université de Montréal Local Chair ~~~~~~~~~~~ Philipp Marek, BRZ, Vienna, Austria Virtualization Team ~~~~~~~~~~~~~~~~~~~ Georgiy Tugai, Configura, Sweden Michal Herda, Poland Yukari Hafner, Shirakumo.org, Switzerland -- Resistance is futile. You will be jazzimilated. Jazz site: http://www.didierverna.com Other sites: http://www.didierverna.info

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[CfP] 17th European Lisp Symposium, May 6-7 2024, Vienna, Austria
by Didier Verna 19 Jan '24

19 Jan '24

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 17th European Lisp Symposium Call for Papers May 6-7 2024 Federal Computing Center, Vienna, Austria https://www.european-lisp-symposium.org/2024 Sponsored by EPITA ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Important Dates ~~~~~~~~~~~~~~~ - Submission deadline: Feb. 18 2024 - Author notification: Mar. 24 2024 - Final papers due: Apr. 14 2024 - Symposium: May 6-7 2024 Scope ~~~~~ The European Lisp Symposium is a premier forum for the discussion and dissemination of all aspects of design, implementation, and application of any of the Lisp dialects, including Common Lisp, Scheme, Emacs Lisp, Clojure, Racket, ACL2, AutoLisp, ISLISP, Dylan, SKILL, Hy, Shen, Carp, Janet, uLisp, Picolisp, Gamelisp, TXR, and so on. We encourage everyone interested in Lisp to participate. The European Lisp Symposium invites high quality papers about novel research results, insights and lessons learned from practical applications, and educational perspectives. We also encourage submissions about known ideas as long as they are presented in a new setting and/or in a highly elegant way. Topics include but are not limited to: - context-, aspect-, domain-oriented and generative programming - macro-, reflective-, meta- and/or rule-based development approaches - language design and implementation - language integration, inter-operation, and deployment - development methodologies, support, and environments - educational approaches and perspectives - experience reports and case studies This year, we suggest an emphasis on best practices, approaches, and technologies for building highly recursive and self-adapting architectures, in particular for AI, ML, tool integration and instruction generation, using dynamic programming languages. Technical Program ~~~~~~~~~~~~~~~~~ We invite submissions in the following forms. * Papers: technical papers of up to 8 pages that describe original results or explain known ideas in new and elegant ways. * Experience reports: papers of up to 6 pages describing a successful use of a Lisp dialect and/or analyzing obstacles that have kept it from working in practice. * Tutorials: abstracts of up to 4 pages for in-depth presentations about topics of special interest. * Demonstrations: abstracts of up to 4 pages for demonstrations of tools, libraries, and applications. All submissions should be formatted following the ACM SIGS guidelines and include ACM Computing Classification System 2012 concepts and terms. Submissions should be uploaded to Easy Chair, at the following link http://www.easychair.org/conferences/?conf=els2024. Note: to help us with the review process please indicate the type of submission by entering either "paper", "demo", or "tutorial" in the Keywords field. Programme Chair ~~~~~~~~~~~~~~~ Giuseppe Attardi, University of Pisa, Italy Programme Committee ~~~~~~~~~~~~~~~~~~~ Ambrose Bonnaire-Sergeant, Untypable LLC Frederic Peschanski, UPMC/LIP6 Jay McCarthy, UMass Lowell Jim Newton, EPITA Research Lab Kai Selgrad, OTH Regensburg Mark Evenson, not.org Michael Raskin, LaBRI/CNRS UMR 5800, University of Bordeaux Robert Smith, HRL Laboratories LLC Robert P. Goldman, SIFT LLC Stefan Monnier, Université de Montréal Local Chair ~~~~~~~~~~~ Philipp Marek, BRZ, Vienna, Austria Virtualization Team ~~~~~~~~~~~~~~~~~~~ Georgiy Tugai, Configura, Sweden Michał Herda, Poland Yukari Hafner, Shirakumo.org, Switzerland -- Resistance is futile. You will be jazzimilated. Jazz site: http://www.didierverna.com Other sites: http://www.didierverna.info

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abcl.org/trac/* being spidered by multiple bots
by Erik Huelsmann 10 Jan '24

10 Jan '24

Hi Mark, Last night a number of disruptions in cliki.net availability were reported, a happens regularly lately -- and definitely during the weekly backup. So I checked the server this morning. The server had a load of 50 (>15 per cpu); 80% of that was going to Trac, however the access log trac.common-lisp.net_access.log was silent. Turns out all the traffic was on abcl.org. It was being spidered like crazy. Trac - or our server setup (or both) - really isn't up to that task, which is why there is only limited spidering allowed on trac.common-lisp.net. (Enough to spider "current" trunk of projects and their issues.) To restrict spidering, I've changed the robots.txt file at /project/armedbear/public_html/robots.txt. Could you please commit that robots.txt (or an even stricter one) to the repository that the site is being synced from? Thanks! Regards, Erik.

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Unwrapping Java Character to char
by Robert Dodier 05 Jan '24

05 Jan '24

Hi, is there a way to unwrap a Java boxed value to get the Java primitive value inside it? In particular I am interested in obtaining the char inside a Character, in order to supply the char to a method which requires a char. Thanks for any info, Robert

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Fwd: armedbear-devel@common-lisp.net post from ale2014.zamora@gmail.com requires approval
by Mark Evenson 04 Jan '24

04 Jan '24

[Attached find Alejandro’s reply for completeness. I need to redo my credentials to the admin dashboard to forward cleanly which is going to take an unknown amount of time] > Begin forwarded message: > > From: armedbear-devel-owner(a)common-lisp.net > Subject: armedbear-devel(a)common-lisp.net post from ale2014.zamora(a)gmail.com requires approval > Date: January 3, 2024 at 21:25:42 GMT+1 > To: armedbear-devel-owner(a)common-lisp.net > > As list administrator, your authorization is requested for the > following mailing list posting: > > List: armedbear-devel(a)common-lisp.net > From: ale2014.zamora(a)gmail.com > Subject: Re: Associating names with characters for named Unicode characters > > The message is being held because: > > The message is larger than the 40 KB maximum size > > At your convenience, visit your dashboard to approve or deny the > request. > > From: Alejandro Zamora Fonseca <ale2014.zamora(a)gmail.com> > Subject: Re: Associating names with characters for named Unicode characters > Date: January 3, 2024 at 21:25:21 GMT+1 > To: Robert Dodier <robert.dodier(a)gmail.com> > Cc: Armed Bear <armedbear-devel(a)common-lisp.net> > > > Hi Robert > > Probably not completely related but I made a small library to handle with Unicode details with ABCL https://github.com/alejandrozf/abcl-utils > > Maybe that might help you in the association you want to make. > > > Best, > > Alejandro > > El mié, 3 ene 2024 a las 16:51, Robert Dodier (<robert.dodier(a)gmail.com <mailto:robert.dodier@gmail.com>>) escribió: >> Hi, I wonder if there is a way to associate a name with a character at >> run time in ABCL. >> >> I am interested in working with Unicode characters which have names, >> e.g. BOX DRAWINGS LIGHT HORIZONTAL and others listed in the document >> at: https://www.unicode.org/charts/PDF/U2500.pdf >> >> I am thinking it would be great if I could refer to such characters by >> name, e.g.: #\BOX_DRAWINGS_LIGHT_HORIZONTAL. It appears that such >> names are not defined in ABCL; I'm looking for a way to define them at >> run time. >> >> >From looking at the source code, maybe it's possible via the >> setCharName static method in org.armedbear.lisp.LispCharacter. >> However, when I try to get a reference to setCharName, I get an error: >> >> CL-USER(10): (java:jstatic "setCharName" "org.armedbear.lisp.LispCharacter") >> #<THREAD "interpreter" native {48616CA1}>: Debugger invoked on >> condition of type ERROR >> No such static method: org.armedbear.lisp.LispCharacter.setCharName() >> >> I thought maybe the problem there is that setCharName isn't declared >> public, but I tried the same operation with a declared public static >> method and I get the same error: >> >> CL-USER(12): (java:jstatic "getInstance" "org.armedbear.lisp.LispCharacter") >> #<THREAD "interpreter" native {48616CA1}>: Debugger invoked on >> condition of type ERROR >> No such static method: org.armedbear.lisp.LispCharacter.getInstance() >> >> so maybe I am not going about that correctly. >> >> setCharName modifies the lookup table >> org.armedbear.lisp.LispCharacter.lispChars -- I'm sure it's not >> recommended, but maybe I can put new entries into it directly; can >> someone give me a hint as to the appropriate incantation in Lisp? >> lispChars is declared public static so it seems like it should be >> possible, if I can craft the appropriate method call to >> org.armedbear.lisp.CharHashMap.put. >> >> Thanks for any info, >> >> Robert > > > > > > -- "A screaming comes across the sky. It has happened before but there is nothing to compare to it now."

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Re: Associating names with characters for named Unicode characters
by Robert Dodier 03 Jan '24

03 Jan '24

Alejandro, thanks a lot for your reply. Is there a way, in abcl-utils, to inform the Lisp reader to recognize named characters such as #\BOX_DRAWINGS_LIGHT_HORIZONTAL in source code? That is the ultimate goal I am seeking. best, Robert

2 2

Associating names with characters for named Unicode characters
by Robert Dodier 03 Jan '24

03 Jan '24

Hi, I wonder if there is a way to associate a name with a character at run time in ABCL. I am interested in working with Unicode characters which have names, e.g. BOX DRAWINGS LIGHT HORIZONTAL and others listed in the document at: https://www.unicode.org/charts/PDF/U2500.pdf I am thinking it would be great if I could refer to such characters by name, e.g.: #\BOX_DRAWINGS_LIGHT_HORIZONTAL. It appears that such names are not defined in ABCL; I'm looking for a way to define them at run time. From looking at the source code, maybe it's possible via the setCharName static method in org.armedbear.lisp.LispCharacter. However, when I try to get a reference to setCharName, I get an error: CL-USER(10): (java:jstatic "setCharName" "org.armedbear.lisp.LispCharacter") #<THREAD "interpreter" native {48616CA1}>: Debugger invoked on condition of type ERROR No such static method: org.armedbear.lisp.LispCharacter.setCharName() I thought maybe the problem there is that setCharName isn't declared public, but I tried the same operation with a declared public static method and I get the same error: CL-USER(12): (java:jstatic "getInstance" "org.armedbear.lisp.LispCharacter") #<THREAD "interpreter" native {48616CA1}>: Debugger invoked on condition of type ERROR No such static method: org.armedbear.lisp.LispCharacter.getInstance() so maybe I am not going about that correctly. setCharName modifies the lookup table org.armedbear.lisp.LispCharacter.lispChars -- I'm sure it's not recommended, but maybe I can put new entries into it directly; can someone give me a hint as to the appropriate incantation in Lisp? lispChars is declared public static so it seems like it should be possible, if I can craft the appropriate method call to org.armedbear.lisp.CharHashMap.put. Thanks for any info, Robert

1 0

BUG: stack inconsistency during compilation
by Eric Marsden 23 Nov '23

23 Nov '23

Hi, Armed Bear Common Lisp 1.9.3-dev Java 17.0.9 Debian OpenJDK 64-Bit Server VM Low-level initialization completed in 0.151 seconds. Startup completed in 0.876 seconds. Type ":help" for a list of available commands. CL-USER(1): (defvar *s*) *S* CL-USER(2): (defun foo () (princ-to-string (progv '(*s*) '(1) (catch 'ct *s*)))) FOO CL-USER(3): (compile 'foo) ; Caught ERROR: ; Stack inconsistency detected in <unknown> at index 44: found 3, expected 1. ; Compilation unit finished ; Caught 1 ERROR condition

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Pluggable external UI for abcl-stepper
by Alejandro Zamora Fonseca 18 Nov '23

18 Nov '23

Hi ABCL-ers :) I just sent a PR https://github.com/armedbear/abcl/pull/635 that allows to optionally define different UIs for the visualize and control stepping process of abcl-stepper. I also made an initial implementation to be used as a guide for more UI if someone else is interested https://gitlab.com/cl-projects/abcl-visual-stepper. This version uses HTMX <http://htmx.org> and websockets. The UI is not quite beautiful and it is still a work in progress allowing syntax highlighting in the browser and other little niceties to the stepper user. Probably someone with more UI/UX experience can make a better UI and can do it by using the generic functions defined in the stepper code and defining his own protocol. I believe this idea could be also generalized for other components of the system (inspector, debugger, REPL, etc) Any feedback is appreciated, Thanks Alejandro

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