Re: [Jscheme-user] load elf/run.scm before elf/classpath.scm

[Ken A. <kan...@bb...>]

If you''re using the latest CVS JScheme, i believe i removed that dependency, but i could be wrong.  I but i believe the downloadable jar will have this problem.


k

At 06:51 PM 6/3/2003 -0400, Geoffrey Knauth wrote:
>I found this old message, which helped me extend my CLASSPATH.
>But (load "using/run.scm") is now needed before (load "elf/classpath.scm").
>
>Otherwise you get:
>   ($ "java.class.path" )
>   SchemeException:[[ERROR: undefined variable "$"""]]
>
>Geoffrey
>--
>Geoffrey S. Knauth | http://knauth.org/gsk
>
>FROM: Ken Anderson
>DATE: 02/12/2002 14:27:53
>SUBJECT:  [Silk-user] Dynamic classpath
>
>In the latest version of Jscheme the class path used by silk.Import can be
>extended.  See the code in elf/classpath.scm.
>
>So, for example, you can start from the jar and grow the classpath as your
>application requires.  Here's an example:
>
>D:\temp\silk\silkweb>java -jar jscheme.jar
>
>
>Jscheme 4.3.3 (02/11/2002)
>
>
> > (load "elf/classpath.scm")
>#t
> > (extendClassPath "d:/java/junit3.7/junit.jar")
>#null
> > (junit.swingui.TestRunner.main (array String.class))
>#null
> >
>This brings up the JUnit GUI.
>
>Also, if you need to recompile a class loaded through the extended class
>path you can run (replaceClassLoaders) to get a new set of class loaders so
>recompiled classes can be loaded through them.  (Any old objects will
>behave the old way of course).
>
>Let me know if you have any problems.
>
>One current limitation is you can't recompile and reload any core Jscheme
>classes.  A small price to pay for this magic.
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