java.lang.NullPointerException
   at org.netbeans.modules.cnd.modelimpl.csm.core.FileImpl.getFileDeclarations(FileImpl.java:2197)
   at org.netbeans.modules.cnd.modelimpl.csm.core.FileImpl.getDeclarations(FileImpl.java:1746)
   at org.netbeans.modules.cnd.modelimpl.csm.resolver.Context.findContext(Context.java:110)
   at org.netbeans.modules.cnd.modelimpl.csm.resolver.Context.getContainingClass(Context.java:93)
   at org.netbeans.modules.cnd.modelimpl.csm.resolver.Resolver3.resolveSimpleName(Resolver3.java:633)
   at org.netbeans.modules.cnd.modelimpl.csm.resolver.Resolver3.resolve(Resolver3.java:600)
   at org.netbeans.modules.cnd.modelimpl.csm.ClassForwardDeclarationImpl.resolve(ClassForwardDeclarationImpl.java:305)
   at org.netbeans.modules.cnd.modelimpl.csm.ClassForwardDeclarationImpl.getCsmClass(ClassForwardDeclarationImpl.java:228)
   at org.netbeans.modules.cnd.modelimpl.csm.FriendClassImpl.getReferencedClass(FriendClassImpl.java:223)
   at org.netbeans.modules.cnd.modelimpl.impl.services.FriendResolverImpl.isFriend(FriendResolverImpl.java:107)
   at org.netbeans.modules.cnd.api.model.services.CsmInheritanceUtilities.getContextVisibilityInfo(CsmInheritanceUtilities.java:320)
   at org.netbeans.modules.cnd.completion.csm.CsmProjectContentResolver.getContextVisibility(CsmProjectContentResolver.java:1642)
   at org.netbeans.modules.cnd.completion.csm.CsmProjectContentResolver.getClassMembers(CsmProjectContentResolver.java:1193)
   at org.netbeans.modules.cnd.completion.csm.CsmProjectContentResolver.getClassMembers(CsmProjectContentResolver.java:1343)
   at org.netbeans.modules.cnd.completion.csm.CsmProjectContentResolver.getClassMembers(CsmProjectContentResolver.java:1343)
   at org.netbeans.modules.cnd.completion.csm.CsmProjectContentResolver.getClassMembers(CsmProjectContentResolver.java:1166)
   at org.netbeans.modules.cnd.completion.csm.CsmProjectContentResolver.getFields(CsmProjectContentResolver.java:1102)
   at org.netbeans.modules.cnd.completion.csm.CompletionResolverImpl.resolveContext(CompletionResolverImpl.java:516)
   at org.netbeans.modules.cnd.completion.csm.CompletionResolverImpl.resolveContext(CompletionResolverImpl.java:282)
   at org.netbeans.modules.cnd.completion.csm.CompletionResolverImpl.resolve(CompletionResolverImpl.java:217)
   at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery$Context.resolve(CsmCompletionQuery.java:1474)
   at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery$Context.resolveItem(CsmCompletionQuery.java:2696)
   at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery$Context.resolveExp(CsmCompletionQuery.java:1846)
   at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery.getResolvedContext(CsmCompletionQuery.java:817)
   at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery.getResult(CsmCompletionQuery.java:774)
   at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery.queryImpl(CsmCompletionQuery.java:563)
   at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery.query(CsmCompletionQuery.java:508)
   at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery.query(CsmCompletionQuery.java:501)
   at org.netbeans.modules.cnd.completion.csm.CompletionUtilities.findItemsReferencedAtCaretPos(CompletionUtilities.java:161)
   at org.netbeans.modules.cnd.completion.impl.xref.ReferencesSupport.findDeclaration(ReferencesSupport.java:454)
   at org.netbeans.modules.cnd.completion.impl.xref.ReferencesSupport.findDeclaration(ReferencesSupport.java:410)
   at org.netbeans.modules.cnd.completion.impl.xref.ReferencesSupport.findReferencedObject(ReferencesSupport.java:224)
   at org.netbeans.modules.cnd.completion.impl.xref.ReferenceImpl.getReferencedObject(ReferenceImpl.java:106)
   at org.netbeans.modules.cnd.highlight.semantic.ModelUtils$FieldReferenceCollector.visit(ModelUtils.java:146)
   at org.netbeans.modules.cnd.highlight.semantic.SemanticHighlighter$1.visit(SemanticHighlighter.java:226)
   at org.netbeans.modules.cnd.completion.impl.xref.FileReferencesImpl._accept(FileReferencesImpl.java:159)
   at org.netbeans.modules.cnd.completion.impl.xref.FileReferencesImpl.accept(FileReferencesImpl.java:111)
   at org.netbeans.modules.cnd.highlight.semantic.SemanticHighlighter.updateImpl(SemanticHighlighter.java:218)
   at org.netbeans.modules.cnd.highlight.semantic.SemanticHighlighter.access$500(SemanticHighlighter.java:90)
   at org.netbeans.modules.cnd.highlight.semantic.SemanticHighlighter$TaskContext.run(SemanticHighlighter.java:432)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)