java.lang.AssertionError
   at org.netbeans.modules.javascript2.editor.formatter.FormatVisitor.visit(FormatVisitor.java:541)
   at com.oracle.nashorn.ir.UnaryNode.accept(UnaryNode.java:123)
   at com.oracle.nashorn.ir.BinaryNode.accept(BinaryNode.java:123)
   at org.netbeans.modules.javascript2.editor.formatter.FormatVisitor.visit(FormatVisitor.java:239)
   at com.oracle.nashorn.ir.IfNode.accept(IfNode.java:79)
   at org.netbeans.modules.javascript2.editor.formatter.FormatVisitor.handleBlockContent(FormatVisitor.java:819)
   at org.netbeans.modules.javascript2.editor.formatter.FormatVisitor.handleStandardBlock(FormatVisitor.java:702)
   at org.netbeans.modules.javascript2.editor.formatter.FormatVisitor.visit(FormatVisitor.java:120)
   at com.oracle.nashorn.ir.Block.accept(Block.java:218)
   at com.oracle.nashorn.ir.ForNode.accept(ForNode.java:102)
   at com.oracle.nashorn.ir.Block.accept(Block.java:221)
   at com.oracle.nashorn.ir.ExecuteNode.accept(ExecuteNode.java:78)
   at org.netbeans.modules.javascript2.editor.formatter.FormatVisitor.handleBlockContent(FormatVisitor.java:819)
   at org.netbeans.modules.javascript2.editor.formatter.FormatVisitor.handleStandardBlock(FormatVisitor.java:702)
   at org.netbeans.modules.javascript2.editor.formatter.FormatVisitor.visit(FormatVisitor.java:120)
   at org.netbeans.modules.javascript2.editor.formatter.FormatVisitor.visit(FormatVisitor.java:304)
   at com.oracle.nashorn.ir.FunctionNode.accept(FunctionNode.java:291)
   at org.netbeans.modules.javascript2.editor.formatter.FormatVisitor.handleBlockContent(FormatVisitor.java:811)
   at org.netbeans.modules.javascript2.editor.formatter.FormatVisitor.visit(FormatVisitor.java:118)
   at org.netbeans.modules.javascript2.editor.formatter.FormatVisitor.visit(FormatVisitor.java:304)
   at com.oracle.nashorn.ir.FunctionNode.accept(FunctionNode.java:291)
   at org.netbeans.modules.javascript2.editor.formatter.JsFormatter$1.run(JsFormatter.java:125)
   at org.netbeans.editor.GuardedDocument.runAtomic(GuardedDocument.java:317)
   at org.netbeans.modules.javascript2.editor.formatter.JsFormatter.reformat(JsFormatter.java:104)
   at org.netbeans.modules.csl.core.GsfReformatTask$1.run(GsfReformatTask.java:105)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:583)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:150)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:134)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:200)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:197)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:72)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:197)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:102)
   at org.netbeans.modules.csl.core.GsfReformatTask.reformat(GsfReformatTask.java:95)
   at org.netbeans.modules.editor.indent.TaskHandler$MimeItem.runTask(TaskHandler.java:548)
   at org.netbeans.modules.editor.indent.TaskHandler.runTasks(TaskHandler.java:316)
   at org.netbeans.modules.editor.indent.IndentImpl.reformat(IndentImpl.java:357)
   at org.netbeans.modules.editor.indent.api.Reformat.reformat(Reformat.java:154)
   at org.netbeans.lib.editor.codetemplates.CodeTemplateInsertHandler.run(CodeTemplateInsertHandler.java:371)
   at org.netbeans.editor.GuardedDocument.runAtomicAsUser(GuardedDocument.java:347)
   at org.netbeans.lib.editor.codetemplates.CodeTemplateInsertHandler.insertTemplate(CodeTemplateInsertHandler.java:284)
   at org.netbeans.lib.editor.codetemplates.CodeTemplateInsertHandler.processTemplate(CodeTemplateInsertHandler.java:252)
   at org.netbeans.lib.editor.codetemplates.CodeTemplateManagerOperation.insert(CodeTemplateManagerOperation.java:242)
   at org.netbeans.lib.editor.codetemplates.api.CodeTemplate.insert(CodeTemplate.java:107)
   at org.netbeans.modules.csl.editor.completion.GsfCompletionItem$DelegatedItem.defaultSubstituteText(GsfCompletionItem.java:359)
   at org.netbeans.modules.csl.editor.completion.GsfCompletionItem$DelegatedItem.substituteText(GsfCompletionItem.java:329)
   at org.netbeans.modules.csl.editor.completion.GsfCompletionItem.defaultAction(GsfCompletionItem.java:479)
   at org.netbeans.modules.csl.editor.completion.GsfCompletionItem$DelegatedItem.defaultAction(GsfCompletionItem.java:118)
   at org.netbeans.modules.csl.editor.completion.GsfCompletionItem$DelegatedItem.instantSubstitution(GsfCompletionItem.java:173)
   at org.netbeans.modules.editor.completion.CompletionImpl$7.run(CompletionImpl.java:1005)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:711)
   at java.awt.EventQueue.access$000(EventQueue.java:104)
   at java.awt.EventQueue$3.run(EventQueue.java:672)
   at java.awt.EventQueue$3.run(EventQueue.java:670)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:681)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:158)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:244)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:163)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:147)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:139)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:97)