reset_binder.cs

using System;
using System.Reflection;
internal static class Extensions
{
    /// <summary>
    /// Reset the internal RuntimeBinder instance to free the symbol table, etc.
    /// Uses reflection to execute:
    /// <code>
    /// var binder = RuntimeBinder.GetInstance();
    /// lock (binder.m_bindLock)
    /// {
    ///     binder.Reset();
    /// }
    /// </code>
    /// </summary>
    internal static bool ResetRuntimeBinder()
    {
        var type = Type.GetType("Microsoft.CSharp.RuntimeBinder.RuntimeBinder, Microsoft.CSharp, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a", throwOnError: false);
        if (type == null)
        {
            return false;
        }
        var method = type.GetMethod("GetInstance", BindingFlags.Public | BindingFlags.Static);
        if (method == null)
        {
            return false;
        }
        var runtimeBinder = method.Invoke(null, new object[0]);
        var field = type.GetField("m_bindLock", BindingFlags.NonPublic | BindingFlags.Instance);
        method = type.GetMethod("Reset", BindingFlags.NonPublic | BindingFlags.Instance);
        if (field == null || method == null)
        {
            return false;
        }
        var lockObj = field.GetValue(runtimeBinder);
        lock (lockObj)
        {
            method.Invoke(runtimeBinder, new object[0]);
        }
        return true;
    }
}