Hi Sylvain, Sylvain Wallez wrote:
> Christopher Oliver wrote: > > >Hi Ivelin, > > > >Actually I believe it is possible to have continuations in pure Java -- > >using bytecode rewriting -- however this approach is quite intrusive and its > >effect on performance and code-size is not insignificant (see: > >http://www.cs.kuleuven.ac.be/~tim/MOS/brakes.html). Nevertheless the > >performance of such instrumented code would likely still be significantly > >faster than interpreted Rhino. I think it would be interesting to prototype > >such an approach. If someone is interested in doing this for Cocoon, I > >suggest they contact the authors of Brakes and see if they might be > >interested in contributing their code to Apache. Given that I think it would > >be fairly straightforward to set up a pure Java flow layer similar to what > >Ovidiu has done with JavaScript. > > > > > > Exactly my thoughts. I studied a bit what's done in Brakes and IMHO what > brings complexity here is that a thread can be suspended/resumed at any > point of its execution, and I believe continuations are easier to > implement since they are suspended and resumed in well-kown places. Unfortunately, I don't think the complexity is actually any less. Although the continuation may captured at a well known point, e.g. "sendPage", the "sendPage" function can be called from anywhere and the calling stack frames need to be saved as well. Regards, Chris --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, email: [EMAIL PROTECTED]
