CodeGenerator: Compile-Time Method and Property Wrapping via Attributes

[AttributeUsage( AttributeTargets.Method )]
[CodeGenerator( CodeGeneratorFlags.WrapMethod | CodeGeneratorFlags.Instance, "OnMethodInvoked" )]
public class MyRPC : Attribute { }

public class MyObject
{
    [MyRPC]
    public void SendMessage( string message )
    {
        Log.Info( message );
    }

    internal void OnMethodInvoked( WrappedMethod m, params object[] args )
    {
        // Do something before/instead of the original call
        // e.g., send over network
        m.Resume(); // Call the original method
    }
}

[AttributeUsage( AttributeTargets.Property )]
[CodeGenerator( CodeGeneratorFlags.WrapPropertySet | CodeGeneratorFlags.Instance, "OnWrapSet" )]
[CodeGenerator( CodeGeneratorFlags.WrapPropertyGet | CodeGeneratorFlags.Instance, "OnWrapGet" )]
public class NetVar : Attribute { }

public class MyObject
{
    [NetVar] public string Name { get; set; }

    internal void OnWrapSet<T>( WrappedPropertySet<T> p )
    {
        // Custom logic before setting
        p.Setter( p.Value ); // Call original setter
    }

    internal T OnWrapGet<T>( WrappedPropertyGet<T> p )
    {
        // Return custom value or original
        return p.Value;
    }
}