Re: [tcljava-user] HELP...Calling TCL scripts from a Java program

[Mo D. <md...@cy...>]

On Sat, 12 May 2001, Tam Huynh wrote:

> ok, i'm trying the other approach by using the binary version of Jacl 1.2.6.
> i'm trying to call the tcl script as describe below..am i missing any kind
> of patch for jacl?  both tcljava.jar and jacl.jar are on my classpath and
> i'm using Forte for Java 1.0.  i know the interp object is created bc it's
> fine when i type newInterp.eval("puts {hello there}"), but doesn't invoke my
> script when i use "source"..
> 
> ERRORS:
> 
> tcl.lang.TclVarException
> tcl.lang.TclVarException
>         at tcl.lang.Var.lookupVar(Var.java)
>         at tcl.lang.Var.getVar(Var.java)
>         at tcl.lang.Parser.evalTokens(Parser.java)
>         at tcl.lang.Parser.eval2(Parser.java)
>         at tcl.lang.Interp.eval(Interp.java)
>         at tcl.lang.Interp.evalFile(Interp.java)
>         at tcl.lang.SourceCmd.cmdProc(SourceCmd.java)
>         at tcl.lang.AutoloadStub.cmdProc(Extension.java)
>         at tcl.lang.Parser.evalObjv(Parser.java)
>         at tcl.lang.Parser.eval2(Parser.java)
>         at tcl.lang.Interp.eval(Interp.java)
>         at tcl.lang.Interp.eval(Interp.java)
>         at com.nwoods.jgo.examples.demo1.Demo1.main(Demo1.java:1006)
> 
> 
> JAVA PROGRAM:
> import tcl.lang.*;
> 
> 
> 
>   public static void main(String args[])
>     {
>         try
>         {
> 		Interp newInterp = new Interp();
> 	    newInterp.eval("source d:/Tcl83/bin/hello.tcl");
>             newInterp.dispose();
> 		}
>         catch (Throwable t)
>         {
>             System.err.println(t);
>             t.printStackTrace();
>             //Ensure the application exits with an error condition.
>             System.exit(1);
>         }
>     }

Well, I don't know why running the source command would
do that. It is running Interp.evalFile() which should
eval the contents of the file. Could you poke around in
a debugger to find out why this variable error is being
generated? Is your script using a variable that is
not set?

Mo