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344 discussions

defsystem history
by Faré 23 Mar '17

23 Mar '17

Is there any old timer alive who can tell me about the early history of defsystem? I *suppose* it was inspired by Unix Make — but was it? When did defsystem appear? It's already quite elaborate in the 1981 edition of the chine nual. But when was it first written? What did lispers use before? Ad hoc load scripts? What do older Lisp Machine tapes contain? Where can I find those tapes? Does any old MIT tech report tell us anything about defsystem? Which versions of defsystem did or did not have problems with propagating timestamps? —♯ƒ • François-René ÐVB Rideau •Reflection&Cybernethics• http://fare.tunes.org It has been my observation that most people get ahead during the time that others waste. — Henry Ford

2 1

Best practices analogous to "debug" and "release" builds?
by John Morrison 16 Mar '17

16 Mar '17

Hi; I want to prune all the developer-centric stuff (e.g., clouseau:inspector, which in turn, brings in McCLIM, maybe some formatted I/O) from my CL software when I package it as a dumped SBCL image (vs delivering source). Would also like to change the optimize directives (debug, speed, etc.). What are the best practices? My Googling didn't turn up much. Or am I thinking about this in entirely the wrong way? Thanks in advance, -jm

2 1

[CfPart] 10th European Lisp Symposium, Apr 3-4 2017, Brussels
by Didier Verna 03 Mar '17

03 Mar '17

ELS'17 - 10th European Lisp Symposium VUB - Vrije Universiteit Brussel Belgium April 3-4, 2017 In co-location with <Programming> 2017 Sponsors: Brunner Software GmbH, Franz Inc., LispWorks Ltd. and EPITA http://www.european-lisp-symposium.org/ Recent news: - Invited speakers announced (see below) - Registration open. Don't miss the March 13 deadline for the full <Programming> conference early bird discount! The purpose of the European Lisp Symposium is to provide a forum for the discussion and dissemination of all aspects of design, implementation and application of any of the Lisp and Lisp-inspired dialects, including Common Lisp, Scheme, Emacs Lisp, AutoLisp, ISLISP, Dylan, Clojure, ACL2, ECMAScript, Racket, SKILL, Hop and so on. We encourage everyone interested in Lisp to participate. Keynote speakers: - Hans Hübner -- Identity in a World of Values - Bohdan B. Khomtchouk -- How the Strengths of Lisp Facilitate Building Complex and Flexible Bioinformatics Applications Important dates: - 13 Mar 2017 Early registration deadline - 03-04 Apr 2017 Symposium - 05-06 Apr 2017 <Programming> main tack Programme chair: Alberto Riva, University of Florida, USA Programme committee: Marco Antoniotti, Università Milano Bicocca, Italy Marc Battyani, FractalConcept Theo D'Hondt, Vrije Universiteit Brussel, Belgium Marc Feeley, Université de Montreal, Canada Erick Gallesio, Université de Nice Sophia-Antipolis, France Stelian Ionescu, Google Rainer Joswig, Independent Consultant, Germany António Menezes Leitão, Technical University of Lisbon, Portugal Nick Levine, RavenPack Henry Lieberman, MIT, USA Mark Tarver, Shen Programming Group Jay McCarthy, University of Massachusetts Lowell, USA Christian Queinnec, Université Pierre et Marie Curie, France François-René Rideau, Bridgewater Associates, USA Nikodemus Siivola, ZenRobotics Ltd Alessio Stalla, Università degli Studi di Genova, Italy Chris Stacy, CS Consulting Search Keywords: #els2017, ELS 2017, ELS '17, European Lisp Symposium 2017, European Lisp Symposium '17, 10th ELS, 10th European Lisp Symposium, European Lisp Conference 2017, European Lisp Conference '17 -- Resistance is futile. You will be jazzimilated. Lisp, Jazz, Aïkido: http://www.didierverna.info

1 0

[CfP] ELS'17, 10th European Lisp Symposium, April 3-4 2017, Brussels
by Didier Verna 03 Jan '17

03 Jan '17

ELS'17 - 10th European Lisp Symposium VUB - Vrije Universiteit Brussel Belgium April 3-4, 2017 In co-location with <Programming> 2017 Sponsored by Brunner Software GmbH http://www.european-lisp-symposium.org/ The purpose of the European Lisp Symposium is to provide a forum for the discussion and dissemination of all aspects of design, implementation and application of any of the Lisp and Lisp-inspired dialects, including Common Lisp, Scheme, Emacs Lisp, AutoLisp, ISLISP, Dylan, Clojure, ACL2, ECMAScript, Racket, SKILL, Hop and so on. We encourage everyone interested in Lisp to participate. The 10th 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 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. Demonstrations: Abstracts of up to 2 pages for demonstrations of tools, libraries, and applications. Tutorials: Abstracts of up to 4 pages for in-depth presentations about topics of special interest for at least 90 minutes and up to 180 minutes. The symposium will also provide slots for lightning talks, to be registered on-site every day. All submissions should be formatted following the ACM SIGS guidelines and include ACM classification categories and terms. For more information on the submission guidelines and the ACM keywords, see: http://www.acm.org/sigs/publications/proceedings-templates and http://www.acm.org/about/class/1998. The conference proceedings will be published in the ACM Digital Library. Submissions should be uploaded to Easy Chair, at the following address: https://www.easychair.org/conferences/?conf=els17 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. Important dates: - 30 Jan 2017 Submission deadline - 27 Feb 2017 Notification of acceptance - 20 Mar 2017 Final papers due - 03-04 Apr 2017 Symposium Programme chair: Alberto Riva, University of Florida, USA Programme committee: Marco Antoniotti, Università Milano Bicocca, Italy Marc Battyani, FractalConcept Theo D'Hondt, Vrije Universiteit Brussel, Belgium Marc Feeley, Université de Montreal, Canada Stelian Ionescu, Google Rainer Joswig, Independent Consultant, Germany António Menezes Leitão, Technical University of Lisbon, Portugal Nick Levine, RavenPack Henry Lieberman, MIT, USA Mark Tarver, Shen Programming Group Jay McCarthy, University of Massachusetts Lowell, USA Christian Queinnec, Université Pierre et Marie Curie, France François-René Rideau, Bridgewater Associates, USA Nikodemus Siivola, ZenRobotics Ltd Alessio Stalla, Università degli Studi di Genova, Italy Search Keywords: #els2017, ELS 2017, ELS '17, European Lisp Symposium 2017, European Lisp Symposium '17, 10th ELS, 10th European Lisp Symposium, European Lisp Conference 2017, European Lisp Conference '17 -- Resistance is futile. You will be jazzimilated. Lisp, Jazz, Aïkido: http://www.didierverna.info

1 0

10th European Lisp Symposium, April 3-4 2017, Brussels, Belgium
by Didier Verna 07 Nov '16

07 Nov '16

ELS'17 - 10th European Lisp Symposium VUB - Vrije Universiteit Brussel Belgium April 3-4, 2017 In co-location with <Programming> 2017 http://www.european-lisp-symposium.org/ The purpose of the European Lisp Symposium is to provide a forum for the discussion and dissemination of all aspects of design, implementation and application of any of the Lisp and Lisp-inspired dialects, including Common Lisp, Scheme, Emacs Lisp, AutoLisp, ISLISP, Dylan, Clojure, ACL2, ECMAScript, Racket, SKILL, Hop and so on. We encourage everyone interested in Lisp to participate. The 10th 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 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. Demonstrations: Abstracts of up to 2 pages for demonstrations of tools, libraries, and applications. Tutorials: Abstracts of up to 4 pages for in-depth presentations about topics of special interest for at least 90 minutes and up to 180 minutes. The symposium will also provide slots for lightning talks, to be registered on-site every day. All submissions should be formatted following the ACM SIGS guidelines and include ACM classification categories and terms. For more information on the submission guidelines and the ACM keywords, see: http://www.acm.org/sigs/publications/proceedings-templates and http://www.acm.org/about/class/1998. The conference proceedings will be published in the ACM Digital Library. Important dates: - 30 Jan 2017 Submission deadline - 27 Feb 2017 Notification of acceptance - 20 Mar 2017 Final papers due - 03-04 Apr 2017 Symposium Programme chair: Alberto Riva, University of Florida, USA Programme committee: tba Search Keywords: #els2017, ELS 2017, ELS '17, European Lisp Symposium 2017, European Lisp Symposium '17, 10th ELS, 10th European Lisp Symposium, European Lisp Conference 2017, European Lisp Conference '17 -- Resistance is futile. You will be jazzimilated. Lisp, Jazz, Aïkido: http://www.didierverna.info

1 0

Detecting at runtime when bindings go out of scope?
by David McClain 26 Aug '16

26 Aug '16

I have been reworking my Reppy Channels for the past week or so. Then I ran into this article from yore… http://erikdemaine.org/papers/CCC97/paper.ps <http://erikdemaine.org/papers/CCC97/paper.ps> The article prompted me to wonder about Lisp bindings. We all know how to write a macro to protect and discard resources, e.g., (defmacro with-channel (ch &body body) `(let ((,ch (make-channel))) (unwind-protect (progn ,@body) (discard-channel ch)))) And that works just fine. At the end of use for the ephemeral channel, we discard it, and hence scavenge up any threads that might have been waiting on it. Threads are a relatively precious system resource, and so scavenging is a useful thing to do. They won’t ever be garbage collected because, typically, the Lisp system keeps a list of running threads. Hence there will always be outstanding, if useless, references to them. But then I began wondering if there could be a way to automatically detect when a resource goes out of scope / context? Why should we have to write the WITH- macros? Memory is automatically reclaimed. Why couldn’t we have a method that could also automatically reclaims vital system resources? Of course if the channel were ever handed off to another thread and stored away somewhere, it shouldn’t be reclaimed. But I already have GC finalization to help with that case. What I’m wondering about is being able to declare an item, a special kind of Constructor parameter, which refers to a system resource that needs scavenging, such that I could forego the WITH- formalism? Maybe I’m asking for too much here… how would we ever detect the item being stored? We’d need reference counting, and I tend to dislike that approach very much.. Anyone ever seen a system for resource reclamation that is better than WITH- and UNWIND-PROTECT? - DM

6 13

[funding][mcclim]
by Daniel Kochmański 12 Aug '16

12 Aug '16

Hey, as some of you probably know McCLIM project slowly progresses forward thanks to Robert Strandh support and help from various contributors. Today we've started a fundraiser on the Bountsource (salt) platform and we hope to secure the development thanks to that. You may read a blog post written by Robert at https://common-lisp.net/project/mcclim/posts/Crowdfunding-McCLIM-maintenanc… (McCLIM's blog). Thanks, Daniel Kochmański -- Daniel Kochmański ;; aka jackdaniel | Poznań, Poland TurtleWare - Daniel Kochmański | www.turtleware.eu "Be the change that you wish to see in the world." - Mahatma Gandhi

1 0

Sharing READTABLE macro bindings?
by David McClain 21 Jul '16

21 Jul '16

I just ran into a situation where my own support code had been using the #T reader macro, and then I found another interesting 3rd party package that also uses #T for itself. Naturally, on loading up the 3rd party package, it clobbered my own semantics with its own SET-DISPATCH-MACRO-CHARACTER. Has anyone created a clever system for sharing reader macros? - DM

4 7

working on CCL / working in CL
by R. Matthew Emerson 14 Jul '16

14 Jul '16

Hello everyone. It has been my great pleasure and good fortune to have worked on the implementation of Clozure CL and also on applications written in Clozure CL over the past several years. As you may know, I am unfortunately no longer employed full-time at Clozure Associates. Even so, I would very much like to continue working in CL generally and on CCL in particular. CCL is a great implementation, and I'd like to continue to try to grow its community of users and contributors. Therefore, if you have any leads on contract or full-time positions that could support my work on and with CCL, I could really use those leads. Please see http://www.thoughtstuff.com/rme/ for an up-to-date resume/CV. Sincerely, R. Matthew Emerson

1 0

Prototype Based Programming in Lisp?
by David McClain 05 Jul '16

05 Jul '16

Hi All, After having been comfortably isolated in a Lisp atmosphere for more than 20 years, I’m finding myself being dragged into a “new” world centering on Javascript and prototype based programming. It feels like I’m being dragged back by more than those 20 years, but in an effort to overcome the resistance tendencies of aging, I thought I’d delve a bit more deeply into this realm. I’ve done some investigating and found the genesis in Self. But really, this seems like a trivial kind of pursuit for Lisp. I am aware of the new difficulties in making fast systems with the lack of classes, and troubles deciding inheritance of behaviors. Does anyone have some interesting insights and pointers to papers regarding prototype programming in Lisp? - DM

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