Rubberduck.Parsing.VBA.RubberduckParser.ResolveReferences C# (CSharp) Method

        private void ResolveReferences(DeclarationFinder finder, VBComponent component, IParseTree tree)
        {
            var state = _state.GetModuleState(component);
            if (_state.Status == ParserState.ResolverError || (state != ParserState.Parsed))
            {
                return;
            }

            Debug.WriteLine("Resolving '{0}'... (thread {1})", component.Name, Thread.CurrentThread.ManagedThreadId);            
            var qualifiedName = new QualifiedModuleName(component);
            var resolver = new IdentifierReferenceResolver(qualifiedName, finder);
            var listener = new IdentifierReferenceListener(resolver);
            if (!string.IsNullOrWhiteSpace(tree.GetText().Trim()))
            {
                var walker = new ParseTreeWalker();
                try
                {
                    walker.Walk(listener, tree);
                    state = ParserState.Ready;
                }
                catch (Exception exception)
                {
                    Debug.Print("Exception thrown resolving '{0}' (thread {2}): {1}", component.Name, exception, Thread.CurrentThread.ManagedThreadId);
                    state = ParserState.ResolverError;
                }
            }

            _state.SetModuleState(component, state);
            Debug.Print("'{0}' is {1}. Resolver took {2}ms to complete (thread {3})", component.Name, _state.GetModuleState(component), /*_resolverTimer[component].ElapsedMilliseconds*/0, Thread.CurrentThread.ManagedThreadId);
        }