using System;
using Microsoft.Scripting;
using Microsoft.Scripting.Hosting;
using Ruby.Runtime;

class Program
{
    static void Main(string[] args) {
        try { new Program().Run(); }
        catch (Exception ex) { Console.WriteLine(ex.ToString()); }
    }

    private void Run() {
        System.IO.File.WriteAllText("f.rb", @"
                module F
                    def F.hello
                        puts 'F:Hello'
                    end
                end
            ");
        ExecuteStr("require 'f.rb'");
        ExecuteStr("F.hello");  // IR SVN 107 fails here, IR SVN 103 prints 'F:Hello'
    }

    private ScriptRuntime _scriptRuntime;
    private ScriptScope _sharedScope;

    public ScriptRuntime ScriptRuntime {
        get {
            if (_scriptRuntime == null)
            {
                _scriptRuntime = ScriptRuntime.Create();
                _scriptRuntime.GlobalOptions.DebugMode = true;
            }
            return _scriptRuntime;
        }
    }

    public ScriptEngine Engine { get { return ScriptRuntime.GetEngine(typeof(RubyContext)); } }

    public ScriptScope SharedScope {
        get {
            if (_sharedScope == null) _sharedScope = Engine.CreateScope();
            return _sharedScope;
        }
    }

    public object ExecuteStr(string code) {
        return Engine.CreateScriptSourceFromString(code).Execute(SharedScope);
    }

} // class