On Jun 22, 2011, at 2:37 PM, Sean Eagan wrote: > On Wed, Jun 22, 2011 at 2:11 PM, Brendan Eich <bren...@mozilla.com> wrote: >> On Jun 22, 2011, at 11:01 AM, Sean Eagan wrote: >> >>> On Wed, Jun 22, 2011 at 12:07 PM, Juan Ignacio Dopazo >>> <dopazo.j...@gmail.com> wrote: >>>> Can the value of a dynamic super be unambiguously resolved with prototype >>>> climbing and without an extra implicit parameter? >>> >>> Yes, it can be unambiguously determined by prototype climbing, the >>> only information from the call site that is used is the base ( |this| >>> ) value of the method call or accessor property access, whose >>> prototype chain is the one that is climbed. >> >> I hope you aren't proposing lazy re-climbing on the first or all evaluations >> of 'super'. That will not work. The actual 'here' or "method home" found >> during callee evaluation must be used. You cannot assume prototype lookup is >> idempotent. >> > > Correct, no new prototype climbing that doesn't already occur.
Then that means an extra implicit parameter beyond |this| for every call site. /be _______________________________________________ es-discuss mailing list es-discuss@mozilla.org https://mail.mozilla.org/listinfo/es-discuss
