using System;

using System.Threading.Tasks;

using Microsoft.CodeAnalysis;

using Microsoft.CodeAnalysis.CSharp.Scripting;

​

​

namespace ConsoleApp39

{

    class Program

    {

        public static async Task Main()

        {

            var options = Microsoft.CodeAnalysis.Scripting.ScriptOptions

                .Default.WithImports(Array.Empty<string>())

                .WithReferences(Array.Empty<MetadataReference>());

            var deleg = await CSharpScript.EvaluateAsync<Func<string, string, string>>(@"

                (s1, s2) => 

                {

                    var singleString = new[]{s2.GetType()};

                    var a1 = s1.GetType().Assembly; 

                    var at = a1.GetType().BaseType; 

                    var load = at.GetMethod(""Load"", singleString);

                    var consoleAssembly = load.Invoke(null, new[]{""System.Console""});

                    var getType = at.GetMethod(""GetType"", singleString);

                    var type = s1.GetType().GetType().BaseType.BaseType;

                    var getMethod = type.GetMethod(""GetMethod"", new[]{s1.GetType(), singleString.GetType()});

                    var con = getType.Invoke(consoleAssembly, new[]{""System.Console""});

                    var methodBase = getType.GetType().BaseType.BaseType;

                    var invoke = methodBase.GetMethod(""Invoke"", new[]{typeof(object), typeof(object[])});

                    var writeLine = getMethod.Invoke(con, new object[]{""WriteLine"", singleString});

                    var dir = s1.GetType().Assembly.GetType(""System.IO.Directory"");

                    var getFiles = getMethod.Invoke(dir, new object[]{""GetFiles"", singleString});

                    var files = (string[])invoke.Invoke(getFiles, new object[]{null, new object[]{""/bin""}});

                    foreach(var file in files)

                        invoke.Invoke(writeLine, new object[]{null, new object[]{file}});

                    return """";

                }", options);

                Console.WriteLine(deleg("Hello, ", "Alice!"));

        }

    }

}

​