[henshin-dev] Update of Nightly Build / Issue using Java 8 Nashorn JS En

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[henshin-dev] Update of Nightly Build / Issue using Java 8 Nashorn JS Engine

From: <mke@xxxxxxxxxx>
Date: Mon, 30 Jun 2014 10:35:51 +0000
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Thread-topic: Update of Nightly Build / Issue using Java 8 Nashorn JS Engine

Hi there,

I was curious that the latest nightly build was created over a month ago. Especially after the commit of Christian Krause regarding the fixes for Java 8, I’d like to ask, if you could create a new build containing these fixes.

The issue we are facing is the following. Right now the package import to the JS Engine is not working. I saw that the importing issue should be solved by adding the rhino compatibility mode. Still there is a problem in the evaluation of attributes/variables:

We are calling a static method in a java class using the fully qualified name. The attribute value is set to lets say:

Attribute = “This is the new attribute value: ” + de.mypackage.StringCreator.createString(var)

where createString is a static method using a String parameter.

The issue is, that the attribute evaluator in the EngineImpl does not recognize the variable de.mypackage.StringCreator.createString(var) as a full qualified Java Class, hence we get the following error message:

java.lang.RuntimeException: ReferenceError: "de" is not defined in <eval> at line number 1

at org.eclipse.emf.henshin.interpreter.impl.EngineImpl.evalAttributeExpression(EngineImpl.java:906)

at org.eclipse.emf.henshin.interpreter.impl.EngineImpl.createChanges(EngineImpl.java:861)

at org.eclipse.emf.henshin.interpreter.impl.EngineImpl.createChanges(EngineImpl.java:876)

at org.eclipse.emf.henshin.interpreter.impl.EngineImpl.createChange(EngineImpl.java:756)

at org.eclipse.emf.henshin.interpreter.impl.RuleApplicationImpl.execute(RuleApplicationImpl.java:99)

at org.eclipse.emf.henshin.interpreter.impl.UnitApplicationImpl.executeRule(UnitApplicationImpl.java:175)

at org.eclipse.emf.henshin.interpreter.impl.UnitApplicationImpl.doExecute(UnitApplicationImpl.java:99)