如何在运行时编译c#-6.0+代码？

using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp;
using System;
using System.IO;
using System.Reflection;

public class Program
{
    public static void Main()
    {
        string code = @"
            using System;

            public class MyClass
            {
                public void MyMethod()
                {
                    Console.WriteLine(""Hello, World!"");
                }
            }
        ";

        SyntaxTree syntaxTree = CSharpSyntaxTree.ParseText(code);

        string assemblyName = Path.GetRandomFileName();
        MetadataReference[] references = new MetadataReference[]
        {
            MetadataReference.CreateFromFile(typeof(object).Assembly.Location),
            MetadataReference.CreateFromFile(typeof(Console).Assembly.Location)
        };

        CSharpCompilation compilation = CSharpCompilation.Create(
            assemblyName,
            syntaxTrees: new[] { syntaxTree },
            references: references,
            options: new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary));

        using (MemoryStream ms = new MemoryStream())
        {
            var result = compilation.Emit(ms);

            if (!result.Success)
            {
                IEnumerable<Diagnostic> failures = result.Diagnostics.Where(diagnostic =>
                    diagnostic.IsWarningAsError ||
                    diagnostic.Severity == DiagnosticSeverity.Error);

                foreach (Diagnostic diagnostic in failures)
                {
                    Console.Error.WriteLine("{0}: {1}", diagnostic.Id, diagnostic.GetMessage());
                }
            }
            else
            {
                ms.Seek(0, SeekOrigin.Begin);
                Assembly assembly = Assembly.Load(ms.ToArray());
                Type type = assembly.GetType("MyClass");
                object obj = Activator.CreateInstance(type);
                MethodInfo method = type.GetMethod("MyMethod");
                method.Invoke(obj, null);
            }
        }
    }
}