Xotcl

xotcl@alice.wu.ac.at

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653 discussions

XoTcl 1.0.1 and aolserver
by Gustaf Neumann 23 Dec '02

23 Dec '02

Dear XOTcl community, Something to add to the annoucement: for people using XOTcl with the aolserver, please obtain the xotcl-aolserver patch from the server (same name as before). The patch contains: - a slighly improved patch for the c-code of the aolserver (by Zoran) - a new namespace.tcl that * fetches the new Serializer * preserves global variables (many thanks to Oumung Mehrotra) - Serializer code. best regards -gustaf neumann

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XOTcl 1.0.1 available
by Gustaf Neumann 23 Dec '02

23 Dec '02

Dear XOTcl community, i am pleased to announce xotcl 1.0.1 shortly before christmas. The announcement is for now only on this mailing list, since we will deliver the windows binary version in a couple of days, when Uwe is back from vacation. have a nice christmas -gustaf neumann CHANGES relative to 1.0 are: - fixes: * fixed installation bug on windows (when installed on drives different to c:) * fixes for aolserver 3.5.* * fix for "object info default arg var" in connection with filters * Serializer handles filter guards now - new functionality and improvements: * improved recreate semantics, makes it easier to overload recreation logic. * new method "noinit" to create objects without calling the constructor - optimizations: * general speedup (10 to 15%) by using client data of namespace instead of Tcl_AssocData for interpreter state * faster and more flexible Serializer For downloads see http://www.xotcl.org.

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XoTCL 1.0 on AIX
by Adrian Wallaschek 10 Dec '02

10 Dec '02

Problem: the build for AIX fails multiple times: mainly around building the shared libraries. Ok, I've worked a little bit: the following issues came up: - the choice of ALLOCA is not good vor Visual C/C++ 5.0. Choosing MALLOC seems to be good and should be good for all IBM compilers - the compilers were formerly versioned with hex codes now they are with decimal codes which regrettably sabotages any scalar comparison so #if __IBMC__ >= 0x306 won't work. This makes it hard to distinguish between various IBM C compilers. If you insist compare only with = not with > or <. - the shared library configuration is not correctly used in the makefiles. see description below I am currently collecting issues. With some help of the creators/maintainers and probably somebody who gives them access to an AIX box (sorry I cannot) we'll port correctly to AIX. The thing with the shared libraries doesn't apply to AIX only but to all systems like this. What happens: The anatomy of the TCL (original within the TCL configure/make system) is: $(SHLIB_LD) $(SHLIB_LD_FLAGS) objects .... $(SHLIB_LD_LIBS) The TCL configure sets the SHLIB_LD_LIBS to either being empty or ${LIBS} in case the loader need the linkable libraries to generate the shared library. Now TCL would be linked like "shell + tcl-lib + dl-lib + c-lib + m-lib + bsd-lib" (cited from memory not sure about the mathlib). So to create the shared-lib tcl8.4 it uses "-ldl -lc -lm -lbsd" as value for $(LIBS) Now XoTCL set the variable TCL_LIBS with those additional libs. This is nice but ends here because the SHLIB_LD_LIBS needs LIBS So the Makefile of XoTCL requires a line like: LIBS=-ltcl8.4 $(TCL_LIBS) If this is not set with the list of libraries needed to link an application with XoTCL then the configuration in SHLIB_LD_LIBS is useless! AIX and some other OSes need these libraries mentioned. TCL provides the list needed for TCL, add TCL itself and any others you need yourself and set those to LIBS. Now I suppose the tcl8.4 can also be taken from some variable. Also it requires the either the LIBS or the SHLIB_LD_FLAGS to be extended with the -L option to specify from where to take the libtcl8.4.so. Currently my XoTCL library links correctly and is loadable nicely, but all the changes are manually hacked. I need to redo in a more strucured way later. anyone offering help/support? Regards, Adrian Wallaschek "Just when you think, life can't possible get worse, it suddenly does!" The Hitchhiker's guide to the galaxy - Douglas Adams Uwe Zdun <uwe.zdun@wu-wien To: Adrian Wallaschek/Belgium/Contr/IBM@IBMBE .ac.at> cc: Subject: Re: [Xotcl] Announcing XOTcl 1.0 09.12.02 17:18 Hi Adrian, hast du das an die Liste geschickt? Es sieht so aus, als wäre es nur an mich gegangen. Sorry, das ich deine andere Mail noch nicht angeschaut hatte; ich war übers Wochenende nicht verfügbar ... Ich bin auch nicht sicher, was das Problem ist; ich hab ja auch keinen Access zu einem AIX system, vielleicht kannst du es etwas näher spezifizieren und an die Liste schicken? Ich weiss nicht, ob Gustaf Neumann noch an ein AIX System drankommt, dass würde das Problemsuchen vereinfachen ... Gruss, Uwe On Monday 09 December 2002 03:58 pm, you wrote: > Hi there! > > Anybody playing with XoTCL on an AIX 4.3.x? > > XoTcl is giving me a hard time to get it working. I'd like to get in touch > with somebody who had some success. > So far I get a far as getting a shared lib created but when loading it, it > core dumps the TCL. > > Any hints/clues? > > Using AIX 4.3 with Visual C/C++ 5. > > In the meanwhile I'll try getting a gcc together. > > Regards, > Adrian Wallaschek > > "Just when you think, life can't possible get worse, > it suddenly does!" > The Hitchhiker's guide to the galaxy - Douglas Adams -- Uwe Zdun Department of Information Systems, Vienna University of Economics Phone: +43 1 313 36 4796, Fax: +43 1 313 36 746 zdun(a){xotcl,computer,acm}.org, uwe.zdun(a)wu-wien.ac.at

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XOTclIDE Version 0.35
by Artur Trzewik 26 Nov '02

26 Nov '02

Hi! The Integrated/Interactive Development Environment for XOTcl The new version of XOTclIDE 0.35 is ready on http://www.xdobry.de/xotclide The Changes from last announced Version - code completion by XOTcl/Tcl code editing (for variables and methods names) - configuration maps can be stored in version system. New complex configuration browser (only with version system) - changes in GUI for more consistence - many small bug fixes and improvements By implementing configuration browser I have used some advanced techniques as event controlling (Modell-View-Controller) and objects-database mapping for n:m relationships (with garanted object identity and central objects cashing - mapping for ordered objects lists). have fun with it Artur Trzewik

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How to get library found with tclkit / Tclkit & XOTcl questions
by Michael Schlenker 25 Nov '02

25 Nov '02

Hi, i tried to use tclkit (8.4.1, windows) with XOTcl 1.0 and always get the annoying error message: "Cannot locate the XOTcl library on your system!" when i try to [package require xotcl] in tclkit. I read the source code, where the message seems to be generated and found that it is produced by some code that tries to modify the auto_path on loading of the xotcl**.dll. This seems to fail when loaded as a dll. What has to be done to get rid of the error message and to get the library found? At the moment i do: lappend auto_path [file join $xotcl-dir library] This seems to work, if xotcl-dir is set to the lib dir used by XOTcl. Other than those minor problems, are there any known problems using XOTcl 1.0 with Tclkit? Michael Schlenker

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Announcing XOTcl 1.0
by Uwe Zdun 08 Nov '02

08 Nov '02

Announcing XOTcl 1.0 ******************** WHAT IS XOTCL? XOTcl is an object-oriented extension of Tcl that was derived from OTcl. In short, XOTcl tries to provide a highly flexible, reflective, component-based, and object-oriented environment. It integrates language support for high level concepts which are not found in other languages, with reasonable performance. It prevails the Tcl programming style and the dynamic/introspective nature of the language, rather than introducing other language's styles and rigidness (such as C++) into Tcl. CHANGES relative to 0.9.4 are: - fixes: * various small fixes for compilation with tcl8.4.* * fixed some more memory-leaks that showed up in connection with multi-threading (many thanks to Zoran Vasiljevic for his great help) * removed a few panics() by tcl errors (important for servers) * various small fixes in Httpd-code * fixes in filter-search mechanism * the general cleanup method __exitHandler (called on interpreter exits and on thread exits) defined now as a proc of Object - optimizations: * speedup during recreation of objects For more details, please consult the ChangeLog MORE INFO General and more detailed information about XOTcl and its components can be found at http://www.xotcl.org Best regards, Gustaf Neumann Uwe Zdun

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Re: [Xotcl] psnm - aufgabe 1c
by Irene Fellner 07 Nov '02

07 Nov '02

hi, danke für die antwort, die bedingung ist hier also dass $elt true (1 ist), oder? ich frage mich nur, ob man die methode lunique nicht viel einfacher lösen könnte mit: proc lunique l { foreach elt $l { set memberArray($elt) 1 } return [array names memberArray] } sie bringt bei mir auf jeden fall das gleiche ergebnis, und ist kürzer und verständlicher .... lg irene ----- Original Message ----- From: Ferdinand Eckert To: Irene Fellner Sent: Thursday, November 07, 2002 4:42 PM Subject: Re: [Xotcl] psnm - aufgabe 1c hi, genau weiß ich's leider nicht (hatte leider noch keine zeit zu lernen), aber ich würde folgendes vermuten: die bedingung ist der term "$memberArray($elt)" nachdem eine bedingung immer "true" oder "false" (bzw. 0 oder 1 ist !!!) wird hier der wert von memberArray and der stelle $elt abgefragt (und als true/false interpretiert) --> ist dieser 0 --> false --> ist er != 0 --> true zumindest in C ist es so, wenn ich mich richtig erinnere ;-) lg Ferdinand Irene Fellner wrote: hallo, bin grad am üben für den test nächste woche :-) die lösung von aufgabe 1c (liste - jedes wort nur einmal) versteh ich nicht ganz. dh insbesondere folgenden teil der methode lunique: foreach elt $l { if $memberArray($elt) { lappend result $elt set memberArray($elt) 0 } ganz konkret kapier ich die if-methode nicht - hier fehlt doch die bedingung oder?? vielleicht kennt sich ja jemand aus, und kann mir es erklären ... danke, lg irene

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psnm - aufgabe 1c
by Irene Fellner 07 Nov '02

07 Nov '02

hallo, bin grad am üben für den test nächste woche :-) die lösung von aufgabe 1c (liste - jedes wort nur einmal) versteh ich nicht ganz. dh insbesondere folgenden teil der methode lunique: foreach elt $l { if $memberArray($elt) { lappend result $elt set memberArray($elt) 0 } ganz konkret kapier ich die if-methode nicht - hier fehlt doch die bedingung oder?? vielleicht kennt sich ja jemand aus, und kann mir es erklären ... danke, lg irene

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Probleme bei XOTcl unter Windows
by Arthur Fleischmann 06 Nov '02

06 Nov '02

Hallo! Da ich leider zuhause kein Linux installiert habe, wollte ich die Win-Version von XOTcl installieren... Hat das irgendjemand geschafft? Bei mir haut's leider nicht ganz hin. Ich kann zwar mit Startmenü-Ausführen-xotclsh bzw. Startmenü-Ausführen-tclsh die jeweiligen Shells aufrufen, das gleiche funktioniert aber leider nicht aus dem DOS-Fenster (Eingabeaufforderung), obwohl die PATH-Variablen richtig gesetzt sind.Das wäre aber notwendig, um ein *.tcl Programm aus dem DOS-Fenster auszuführen. Die eigentliche Installation hat gaube ich funktioniert, bin so vorgegangen, wie auf der Homepage beschrieben, zuerst Tcl (ActiveTcl 8.3.4.4) installiert, dann XOTcl runtergeladen + entpackt, dann InstallWin ausgeführt: es öffnet sich ein Fenster "InstallWin" ohne Inhalt (?) aber xotclsh.exe befindet sich danach im Verzeichnis C:\Programme\Tcl\bin - das sollte also passen. Kann mir vielleicht irgendjemand weiterhelfen - vielleicht gar der geschätzte LV-Leiter? :) Danke, mfG, Arthur PS: Windows Version ist Win2kPro

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XOTclIDE 0.32 with Syntax Checker
by Artur Trzewik 10 Aug '02

10 Aug '02

Hi The Integrated/Interactive Development Environment for XOTcl The new version of XOTclIDE 0.32 is ready on http://www.xdobry.de/xotclide The Changes from last announced Version - xotclide includes tcl/XOTcl parser written in XOTcl that is used for - syntax hightlighting that is much better than regexp based syntax hightlighting - syntax checker (Tcl and XOTclIDE). The syntax checker is probably better than tclpro checker. It can also check variables visibility and simulate commands execution. More infos to syntax checker http://www.xdobry.de/xotclide/syntaxchek.html The syntax checker can be used either by editing code (by accept operation) or as syntax checker tool that can check whole XOTcl/Tcl projects. Very good is speed of XOTcl. Checking Syntax of whole XotclIDE project (1543 methods) takes only 114 seconds (1,2 GHz Pentium). In this time many thousands of syntax-token objects are build and destroyed. have fun with it

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