JSR-223 support inside Field Alpha 12

[Tom Fuerstner]

as the alpha12 version is the most recent version to download: is this
version already supporting JSR-223 Scripting Engines?

my attempt to call the according classes always results in the error:
"can't load AppleScriptScripting "


br,

/tom_fuerstner

[Marc Downie]

Field doesn't have any particular support for arbitrary JSR 223 engines (although you can just write the code that calls into them, Field can see the JSR 223 classes). Each of the languages the "lambda" palette wraps a 223 engine in enough sugar to make it more interesting. 

Now Field does have an "applescript" text transform (http://openendedgroup.com/field/wiki/MayaIntegration#AppleScripteverybodyelse) — that actually shells out to "osascript".

What code are you actually running? and what is the complete stacktrace?

Marc.

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[Tom Fuerstner]

hi marc,

what i do is loading some external java classes into Field that run another java-based language (Hypertalk in this case ) inside Field.

The main interpreter class knows how to deal with a specific statement of the kind of: do "script statement" as "jython".

This happens by using JSR-223 classes within the external Hypertalk interpreter. 

The code sequence is simple:

import javax.script.Invocable;

import javax.script.ScriptEngine;

import javax.script.ScriptEngineFactory;

import javax.script.ScriptEngineManager;

import javax.script.ScriptException;

...

public static ScriptEngineManager manager = new ScriptEngineManager();

public static ScriptEngine sengine = manager.getEngineByName("jython");

...

 

private static final ExternalLanguage e_jython = new ExternalLanguage() {

public XOMVariant execute(String script) {

 

try {

Object result = sengine.eval(script);

return null;

} catch (ScriptException e) {

throw new XNScriptError("Error running JSR-223 Jython Scripting Engine: "+e.getMessage());

}       

 

}

}; 

so, i don't even ask the program to the JSR-223 'applescriptscripting engine'  and then it gets loaded anyway.

that's my problem

cheers,

/tom

--
Tom Fuerstner

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