Getting variables declared in a session.

gistfile1.cs

using Roslyn.Scripting.CSharp;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;

class Program
{
    static void Main(string[] args)
    {
        ScriptEngine e = new ScriptEngine();
        e.AddReference(typeof(object).Assembly);
        e.AddReference(typeof(Enumerable).Assembly);
        e.AddReference(typeof(Assembly).Assembly);

        e.ImportNamespace("System");
        e.ImportNamespace("System.Linq");
        e.ImportNamespace("System.Reflection");

        var s = e.CreateSession();
        s.Execute("var myField = 42;");
        var fields = (IEnumerable<FieldInfo>)s.Execute(@"Assembly.GetExecutingAssembly().GetTypes().Where(t => t.Name.StartsWith(""Submission"")).SelectMany(t => t.GetFields())");
        foreach (var f in fields)
        {
            Console.WriteLine(f.Name);
        }
    }

}