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Dynamic scripting for the JVM
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package org.snapscript.tree;
import org.snapscript.core.Evaluation;
import org.snapscript.core.error.InternalStateException;
import org.snapscript.core.scope.Scope;
import org.snapscript.core.variable.Value;
public class NameReference {
private Evaluation identifier;
private String name;
public NameReference(Evaluation identifier) {
this.identifier = identifier;
}
public String getName(Scope scope) throws Exception {
if(name == null) {
Value value = identifier.evaluate(scope, null);
String identifier = value.getString();
if(identifier == null) {
throw new InternalStateException("Name evaluated to null");
}
name = identifier;
}
return name;
}
}
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