armedbear-devel

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1202 discussions

ASDF 3.3.5 is released
by Robert Goldman 03 Jul '21

03 Jul '21

Please consider upgrading the version you are distributing with your implementation. Note that this is strictly a bug fix release so should not cause issues in upgrading. But "should" -- software is unpredictable. Announcement email follows. Best, R

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jnew-runtime-class
by phiroc＠free.fr 08 Jun '21

08 Jun '21

Hello, can anyone provide an example of using jnew-runtime-class? Here's the definition I found in the documentation: (CLASS-NAME &REST ; ARGS ; &KEY ; (SUPERCLASS java.lang.Object) ; INTERFACES ; CONSTRUCTORS ; METHODS ; FIELDS ; (ACCESS-FLAGS '(PUBLIC)) ; ANNOTATIONS ; (CLASS-LOADER (MAKE-MEMORY-CLASS-LOADER))) Many thanks. Best regards, Philippe

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Bug # 391
by Don Morrison 27 May '21

27 May '21

I don’t think I have the ability to comment on bugs in the issue tracker, or, if I do, I’ve not figured out how to do it. I hope sending mail to this list for the purpose is acceptable; apologies if not. I note that #391 was opened six years ago, but remains unfixed, and, apart from apparently being pushed off from release to release, seems not to have received any love for four years. I just wanted to add a note to it that it is still being encountered in the wild, and is, at least in one user’s case, causing some pain. File names containing asterisks may not be a good idea, but sometimes we have no control over the names of files we are given. It also means at least one (uiop:subdirectories), and probably many, UIOP functions sometimes fail in what can appear to be mysterious ways on ABCL, but not other implementations. Thanks! -- Don Morrison <dfm(a)ringing.org> “There have been many triumphs of justice which are mockeries of law.” — Thomas Hardy, /The Return of the Native/

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[Reminder CfP] ELS 2021, 14th European Lisp Symposium, May 3-4
by Didier Verna 25 Feb '21

25 Feb '21

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 14th European Lisp Symposium Call for Papers May 3 - May 4, 2021 Online / Everywhere http://www.european-lisp-symposium.org/2021 Sponsored by EPITA and RavenPack ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Invited Speakers ~~~~~~~~~~~~~~~~ Nada Amin - Harvard SEAS others tba Important Dates ~~~~~~~~~~~~~~~ - Submission deadline: March 7, 2021 - Author notification: April 6, 2021 - Final papers due: April 19, 2021 - Symposium: May 3 - May 4, 2021 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 2021 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 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. * Demonstrations: Abstracts of up to 4 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. 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 http://www.easychair.org/conferences/?conf=els2021 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 ~~~~~~~~~~~~~~~ Marco Heisig - FAU Erlangen-Nürnberg, Germany Local Chairs ~~~~~~~~~~~~ Michał Herda Mark Evenson - RavenPack Programme Committee ~~~~~~~~~~~~~~~~~~~ Ioanna Dimitriou - Igalia Irène Durand - LaBRI University of Bordeaux R. Matthew Emerson - thoughtstuff LLC Matthew Flatt - University of Utah Jonathan Godbout - Google Paulo Matos - Linki Tools David McClain - SpectroDynamics, LLC Stefan Monnier - University of Montreal Jim Newton - EPITA Research Lab Kent Pitman - HyperMeta Inc. Christophe Rhodes - Google Kai Selgrad - OTH Regensburg Olin Shivers - Northeastern University Robert Smith - Rigetti Quantum Computing Michael Sperber - DeinProgramm Evrim Ulu - Middle East Technical University Breanndán Ó Nualláin - Machine Learning Programs -- Lisp, Jazz, Aïkido: http://www.didierverna.info

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[CfP] ELS'21, 14th European Lisp Symposium, online, May 3-4 2021
by Didier Verna 23 Dec '20

23 Dec '20

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 14th European Lisp Symposium Call for Papers May 3 - May 4, 2021 Online / Everywhere http://www.european-lisp-symposium.org/2021 Sponsored by EPITA and RavenPack ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Invited Speakers ~~~~~~~~~~~~~~~~ tba Important Dates ~~~~~~~~~~~~~~~ - Submission deadline: March 7, 2021 - Author notification: April 6, 2021 - Final papers due: April 19, 2021 - Symposium: May 3 - May 4, 2021 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 2021 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 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. * Demonstrations: Abstracts of up to 4 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. 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 http://www.easychair.org/conferences/?conf=els2021 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 ~~~~~~~~~~~~~~~ Marco Heisig - FAU Erlangen-Nürnberg, Germany Local Chairs ~~~~~~~~~~~~ Michał Herda Mark Evenson - RavenPack Programme Committee ~~~~~~~~~~~~~~~~~~~ tba -- Didier Verna

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Failed assertion about JVM:OFFSET trying to load something
by Robert Dodier 23 Dec '20

23 Dec '20

Hi, I know it may be hard to see what's going on but, I'm trying to load a lisp file into Maxima compiled with ABCL, and I get the error shown below: The assertion (<= -32768 JVM::OFFSET 32767) failed. I've also included a stack trace if that helps. I can supply more info if you tell me what to look for. Thanks so much for your help, Robert Dodier PS. This is in a Maxima session after compiling and launching Maxima. (%i1) :lisp (load "../share/odepack/load-dlsode.lisp") ; (IN-PACKAGE "ODEPACK") ; (LET (# # ...) ...) Error loading /Users/dodier/tmp/maxima-code/share/odepack/load-dlsode.lisp at line 25 (offset 770) #<THREAD "interpreter" {19E01A93}>: Debugger invoked on condition of type SIMPLE-ERROR The assertion (<= -32768 JVM::OFFSET 32767) failed. Restarts: 0: CONTINUE Retry assertion. 1: MACSYMA-QUIT Maxima top-level 2: TOP-LEVEL Return to top level. [1] ODEPACK(5): :bt 0: (SYSTEM:BACKTRACE) 1: (INVOKE-DEBUGGER #<SIMPLE-ERROR {6789AA04}>) 2: (ERROR #<SIMPLE-ERROR {6789AA04}>) 3: (SYSTEM::ASSERT-ERROR (<= -32768 JVM::OFFSET 32767) NIL NIL) 4: (JVM::CODE-BYTES #<(VECTOR T 18397) {4783535E}>) 5: (JVM::FINALIZE-CODE-ATTRIBUTE #<JVM::CODE-ATTRIBUTE {43CBA720}> NIL #<JVM::ABCL-CLASS-FILE {67BB799A}>) 6: (JVM::FINALIZE-ATTRIBUTES (#<JVM::CODE-ATTRIBUTE {43CBA720}>) NIL #<JVM::ABCL-CLASS-FILE {67BB799A}>) 7: (JVM::FINALIZE-METHOD #<JVM::JVM-METHOD {72946D27}> #<JVM::ABCL-CLASS-FILE {67BB799A}>)

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CI switched to GitHub Actions
by Mark Evenson 08 Dec '20

08 Dec '20

A quick note that I have switched the [GitHub hosted CI from Travis to GitHub Actions][1], which is important with news today that Travis seems to have unexpectedly [completely abandoned open source CI][2]. GitHub Actions seems to provide reasonable support for testing things under Windows, which I haven’t fully explored, so there are even more reasons for this change. For developers, forking the GitHub repository from another GitHub account should give you access to the CI pretty much automatically. You just need to look at the results under the “Actions” tab when viewing your copy of the repository. [1]: <https://github.com/armedbear/abcl/blob/master/.github/workflows/abcl-test.y…> [2]: <https://news.ycombinator.com/item?id=25338983> -- "A screaming comes across the sky. It has happened before but there is nothing to compare to it now."

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CLOS MOP bug in 1.8.0
by Pascal Costanza 28 Nov '20

28 Nov '20

Hi, I have encountered a bug in 1.8.0 when doing my regular Closer to MOP checks. This must be a new bug, because 1.7.1 was fine. Here is the case that triggers the problem: (use-package :mop) (defclass test-direct-slot-definition (standard-direct-slot-definition) ()) (defclass test-effective-slot-definition (standard-effective-slot-definition) ()) (defclass test-class (standard-class) ()) (defmethod validate-superclass ((class test-class) (superclass standard-class)) t) (defmethod direct-slot-definition-class ((class test-class) &rest initargs) (declare (ignore initargs)) (find-class 'test-direct-slot-definition)) (defmethod effective-slot-definition-class ((class test-class) &rest initargs) (declare (ignore initargs)) (find-class 'test-effective-slot-definition)) (defclass test-object () ((some-slot :accessor some-slot :initarg :some-slot :initform 'some-slot :type symbol :allocation :class :documentation "a slot")) (:metaclass test-class)) (unless (class-finalized-p (find-class 'test-object)) (finalize-inheritance (find-class 'test-object))) Armed Bear Common Lisp 1.8.0 Java 15.0.1 Oracle Corporation Java HotSpot(TM) 64-Bit Server VM Low-level initialization completed in 0.134 seconds. Startup completed in 0.65 seconds. Loading /Users/costanza/.abclrc completed in 6.061 seconds. Type ":help" for a list of available commands. CL-USER(1): (load "test.lisp") Error loading /Users/costanza/Temp/test.lisp at line 36 (offset 943) #<THREAD "interpreter" {1970D65C}>: Debugger invoked on condition of type UNBOUND-SLOT The slot LOCATION is unbound in the object #<TEST-EFFECTIVE-SLOT-DEFINITION {556F331F}>. Restarts: 0: TOP-LEVEL Return to top level. [1] CL-USER(2): :bt 0: (SYSTEM:BACKTRACE) 1: (INVOKE-DEBUGGER #<UNBOUND-SLOT {67D22A29}>) 2: (ERROR UNBOUND-SLOT :INSTANCE #<TEST-EFFECTIVE-SLOT-DEFINITION {556F331F}> :NAME SYSTEM::LOCATION) 3: (#<FUNCTION #<FUNCTION {22446549}> {22446549}> (#<STANDARD-CLASS TEST-EFFECTIVE-SLOT-DEFINITION {6670307A}> #<TEST-EFFECTIVE-SLOT-DEFINITION {556F331F}> SYSTEM::LOCATION)) 4: (SLOT-VALUE #<TEST-EFFECTIVE-SLOT-DEFINITION {556F331F}> SYSTEM::LOCATION) 5: (SLOT-DEFINITION-LOCATION #<TEST-EFFECTIVE-SLOT-DEFINITION {556F331F}>) 6: (MOP::STD-FINALIZE-INHERITANCE #<TEST-CLASS TEST-OBJECT {67510DAF}>) 7: (#<FUNCTION #<FUNCTION {2C5408FE}> {2C5408FE}> (#<TEST-CLASS TEST-OBJECT {67510DAF}>)) I believe the bug is triggered by find-class or class-finalized-p, but not sure. Pascal -- Pascal Costanza

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Feature request: command-line option to disable debugger
by Robert Munyer 27 Nov '20

27 Nov '20

Many Lisp implementations (including CCL, CLISP and SBCL) have a command-line option that causes unhandled errors to terminate the Lisp process instead of invoking the debugger. This option is useful for programs that don't have irreplaceable valuable state in the heap, and that have users whose reaction upon seeing a debug REPL would be "How do I get out of this!?". Also, a few days ago someone on IRC mentioned having the problem that "if there is an error in the expression" the server thread "gets locked in the ABCL repl". I think his or her use-case might also benefit from a debugger-disabling switch. Happy Thanksgiving!

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Bug report: COMPILE-FILE not doing minimal compilation in DEFCONSTANT/DEFPARAMETER/DEFVAR
by Robert Munyer 16 Nov '20

16 Nov '20

COMPILE-FILE is supposed to expand all macros in such a way that they will not be expanded again when the compiled file is loaded. (3.2.2.2) The file below has 4 output lines that start with "*** Expanding macro". None of those lines should be printed when the compiled file is loaded. ------- begin test-min-compilation.lisp ------- (macrolet ((m1 () (format t "~&*** Expanding macro 1.~%") '(format t "~&Output of macro 1.~%"))) (m1)) (defconstant +dc+ (macrolet ((m2 () (format t "~&*** Expanding macro 2 inside DEFCONSTANT.~%") '(format t "~&Output of macro 2.~%"))) (m2))) (defparameter *dp* (macrolet ((m3 () (format t "~&*** Expanding macro 3 inside DEFPARAMETER.~%") '(format t "~&Output of macro 3.~%"))) (m3))) (defvar *dv* (macrolet ((m4 () (format t "~&*** Expanding macro 4 inside DEFVAR.~%") '(format t "~&Output of macro 4.~%"))) (m4))) ------- end test-min-compilation.lisp ------- CCL, CLISP, ECL and SBCL print none of the 4, ABCL prints 3 of the 4. This one might be relatively easy, because ABCL is already handling #1 correctly, and just needs to handle #2/3/4 in the same way as #1. The rest of this message is the transcript. $ java -jar abcl-344b4f66.jar Armed Bear Common Lisp 1.8.1-dev Java 1.8.0_272 Oracle Corporation OpenJDK 64-Bit Server VM Low-level initialization completed in 0.183 seconds. Startup completed in 0.837 seconds. Type ":help" for a list of available commands. CL-USER(1): (compile-file "test-min-compilation.lisp") ; Compiling /tmp/foo/test-min-compilation.lisp ... ; (M1) *** Expanding macro 1. ; (DEFCONSTANT +DC+ ...) *** Expanding macro 2 inside DEFCONSTANT. Output of macro 2. ; (DEFPARAMETER *DP* ...) ; (DEFVAR *DV* ...) ; Wrote /tmp/foo/test-min-compilation.abcl (0.163 seconds) #P"/tmp/foo/test-min-compilation.abcl" NIL NIL CL-USER(2): (load "test-min-compilation.abcl") Output of macro 1. *** Expanding macro 2 inside DEFCONSTANT. Output of macro 2. *** Expanding macro 3 inside DEFPARAMETER. Output of macro 3. *** Expanding macro 4 inside DEFVAR. Output of macro 4. T CL-USER(3):

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