BSF interface - apply nonfunctional with parameters
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Key: JRUBY-3782
URL: http://jira.codehaus.org/browse/JRUBY-3782
Project: JRuby
Issue Type: Bug
Components: Embedding
Affects Versions: JRuby 1.3.1
Environment: Linux Ubuntu 8.04 LTS
Java(TM) SE Runtime Environment (build 1.6.0_10)
Reporter: Andreas Wundsam
Attachments: TestRubyBSFApplyBug.java
Calling the BSF interface apply with a non-empty Vector of names and objects
results in an IndexOutOfBoundsException:
BSFManager m = new BSFManager();
Vector<String> names = new Vector<String>();
Vector<Object> objects = new Vector<Object>();
names.add("activity");
objects.add(new Integer(1));
m.apply("ruby", "(java)", 1,1, "puts \"Hello, world: #{activity}\" ", names,
objects );
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 0
at
org.jruby.runtime.scope.ManyVarsDynamicScope.setValueDepthZero(ManyVarsDynamicScope.java:158)
at
org.jruby.runtime.scope.ManyVarsDynamicScope.setValue(ManyVarsDynamicScope.java:151)
at org.jruby.javasupport.bsf.JRubyEngine.apply(JRubyEngine.java:78)
at org.apache.bsf.BSFManager$1.run(BSFManager.java:215)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.bsf.BSFManager.apply(BSFManager.java:212)
at de.lerncultur.script.TestRuby.main(TestRuby.java:25)
As far as I can see, the ManyVarsDynamic scope gets created too early in this
case. It inherits a variable count of "0" from its enclosing static scope.
Later, the variable names are set in the static scope, but that does not result
in a recreationg of the dynamic scope. That's why the actual value assignment
fails.
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