APISampleUnitTestsCS.FAQ.ClassRenamer.VisitIdentifierName C# (CSharp) Method

            public override SyntaxNode VisitIdentifierName(IdentifierNameSyntax node)
            {
                var updatedIdentifierName = (IdentifierNameSyntax)base.VisitIdentifierName(node);

                // Get TypeSymbol corresponding to the IdentifierNameSyntax and check whether
                // it is the same as the TypeSymbol we are searching for.
                Symbol identifierSymbol = SemanticModel.GetSymbolInfo(node).Symbol;

                // Handle |C| x = new C().
                var isMatchingTypeName = identifierSymbol.Equals(SearchSymbol);

                // Handle C x = new |C|().
                var isMatchingConstructor =
                    identifierSymbol is MethodSymbol &&
                    ((MethodSymbol)identifierSymbol).MethodKind == MethodKind.Constructor &&
                    identifierSymbol.ContainingSymbol.Equals(SearchSymbol);

                if (isMatchingTypeName || isMatchingConstructor)
                {
                    // Replace the identifier token containing the name of the class.
                    SyntaxToken updatedIdentifierToken =
                        Syntax.Identifier(
                            updatedIdentifierName.Identifier.LeadingTrivia,
                            NewName,
                            updatedIdentifierName.Identifier.TrailingTrivia);

                    updatedIdentifierName = updatedIdentifierName.WithIdentifier(updatedIdentifierToken);
                }

                return updatedIdentifierName;
            }