internal T MakeUpdateDelegate()
{
Type[] typeArray;
Type delegateType = typeof(T);
MethodInfo method = delegateType.GetMethod("Invoke");
if (delegateType.IsGenericType && CallSite <T> .IsSimpleSignature(method, out typeArray))
{
MethodInfo info2 = null;
MethodInfo info3 = null;
if (method.ReturnType == typeof(void))
{
if (delegateType == DelegateHelpers.GetActionType(typeArray.AddFirst <Type>(typeof(CallSite))))
{
info2 = typeof(UpdateDelegates).GetMethod("UpdateAndExecuteVoid" + typeArray.Length, BindingFlags.NonPublic | BindingFlags.Static);
info3 = typeof(UpdateDelegates).GetMethod("NoMatchVoid" + typeArray.Length, BindingFlags.NonPublic | BindingFlags.Static);
}
}
else if (delegateType == DelegateHelpers.GetFuncType(typeArray.AddFirst <Type>(typeof(CallSite))))
{
info2 = typeof(UpdateDelegates).GetMethod("UpdateAndExecute" + (typeArray.Length - 1), BindingFlags.NonPublic | BindingFlags.Static);
info3 = typeof(UpdateDelegates).GetMethod("NoMatch" + (typeArray.Length - 1), BindingFlags.NonPublic | BindingFlags.Static);
}
if (info2 != null)
{
CallSite <T> ._CachedNoMatch = (T)info3.MakeGenericMethod(typeArray).CreateDelegate(delegateType);
return((T)info2.MakeGenericMethod(typeArray).CreateDelegate(delegateType));
}
}
CallSite <T> ._CachedNoMatch = this.CreateCustomNoMatchDelegate(method);
return(this.CreateCustomUpdateDelegate(method));
}