On Friday, December 27, 2013 1:54:40 AM UTC-8, Martijn Verburg wrote: > > Hi James, > > Hopefully Charlie or someone else qualified can help, but this list is > usually pretty quiet. When you say Sun/Oracle forum, did you mean the > OpenJDK mailing lists or the actual Java forums? > <snip>
It was on the Java forums. My original post was.... MethodHandle combinators: simulating activation-records & ANF > <https://community.oracle.com/message/11309077#11309077>This question is > *Not Answered.* > *JimDesu <https://community.oracle.com/people/JimDesu>* Dec 20, 2013 7:05 > AMHi there, > > I'm working my way through understanding Call Sites & Method Handles for > some interpreter work I'm considering, and everything looks very sensible, > except for argument marshalling... I'd like to be able to have a > MethodHandle combinator that takes a sequence of MethodHandles and, for > each one, an array of indices into an Object[], such that the MethodHandle > objects are executed sequentially, with the values indicated passed in as > each MethodHandle's argument list --> the end result of the combinator > being a MethodHandle accepting the Object[] as an input and returning it as > an output. > > I could write a method that did something analogous, calling each > MethodHandle in sequence, but I'd like to have the end result being the > generation of aload or aaload instructions to marshal arguments, not the > (much more expensive) creation, population & spreading of new Object[] > instances per MethodHandle call. > > Can y'all recommend an approach that'll lead to optimal performance > vis-a-vis the design philosophy behind the invoke package? I'm still a > newbie here and am probably missing something, but so far I'm missing it.... > > thanks, > > James Thanks y'all! // James -- You received this message because you are subscribed to the Google Groups "JVM Languages" group. To unsubscribe from this group and stop receiving emails from it, send an email to jvm-languages+unsubscr...@googlegroups.com. To post to this group, send email to jvm-languages@googlegroups.com. Visit this group at http://groups.google.com/group/jvm-languages. For more options, visit https://groups.google.com/groups/opt_out.
