public static CallSite Create(MethodInfo info, ushort id, CallSiteCache cache)
{
Type[] args = new Type[7];
var parameters = info.GetParameters();
int i = 0;
if (!info.IsStatic)
{
args[i] = info.DeclaringType;
i++;
}
for (int x = 0; x < parameters.Length; x++, i++)
{
args[i] = parameters[x].ParameterType;
}
for (; i < args.Length; i++)
{
args[i] = typeof(DBNull);
}
var type = typeof(CallSite <, , , , , ,>).MakeGenericType(args);
var result = (CallSite)Activator.CreateInstance(type);
result.Arguments = args;
result.Build(info, id, cache);
return(result);
}
public override void Build(MethodInfo info, ushort id, CallSiteCache cache)
{
Id = id;
MethodInfo = info;
Serializer1 = cache.GetSerializer <T1>();
Serializer2 = cache.GetSerializer <T2>();
Serializer3 = cache.GetSerializer <T3>();
Serializer4 = cache.GetSerializer <T4>();
Serializer5 = cache.GetSerializer <T5>();
Serializer6 = cache.GetSerializer <T6>();
Serializer7 = cache.GetSerializer <T7>();
// TODO: Target
//SerializerTarget = cache.GetSerializer(MethodInfo);
var p = Arguments.Select(s => Expression.Parameter(s)).ToArray();
Expression call;
if (info.IsStatic)
{
call = Expression.Call(info, p.Where(s => s.Type != typeof(DBNull)).ToArray());
}
else
{
call = Expression.Call(p.First(), info, p.Skip(1).Where(s => s.Type != typeof(DBNull)).ToArray());
//call = Expression.Call(fieldEx.First(), info, fieldEx.Skip(1).ToArray());
}
Handler = Expression.Lambda <Action <T1, T2, T3, T4, T5, T6, T7> >(call, p).Compile();
}
public abstract void Build(MethodInfo info, ushort id, CallSiteCache cache);