[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]

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List: armedbear-devel@common-lisp.net From: ale2014.zamora@gmail.com Subject: Re: Associating names with characters for named Unicode characters

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From: Alejandro Zamora Fonseca ale2014.zamora@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@gmail.com Cc: Armed Bear armedbear-devel@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@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