On Friday 03 April 2009 15:18:22 Charles Oliver Nutter wrote: > Typed nulls I'm not sure. Does anyone else know? I imagine this could be > implemented at a Java language level as well...is VM support needed?
My implementation replaced the references handled by the GC with a struct that includes a pointer to the run-time type and a pointer to the allocated data. Most VMs seem to have hard coded the assumption that a reference is just a word-sized pointer. I assume that is true of the JVM? -- Dr Jon Harrop, Flying Frog Consultancy Ltd. http://www.ffconsultancy.com/?e --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "JVM Languages" group. To post to this group, send email to jvm-languages@googlegroups.com To unsubscribe from this group, send email to jvm-languages+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/jvm-languages?hl=en -~----------~----~----~----~------~----~------~--~---
