I have also been working on a proposal to extend "super" to be available anywhere by using a "super binding" concept similar to the exising "this binding" concept, as well as taking ideas from [object initialiser super]. It is a work in progress, any comments would be much appreciated!
Please see: https://gist.github.com/1036200 [object initialiser super] http://wiki.ecmascript.org/doku.php?id=harmony:object_initialiser_super On Mon, Jun 20, 2011 at 6:49 AM, Mariusz Nowak <medikoo+mozilla....@medikoo.com> wrote: > > > > Brendan Eich-3 wrote: >> >> Quoting from >> http://wiki.ecmascript.org/doku.php?id=harmony:object_initialiser_super : >> >>> When a function contains a reference to super, that function internally >>> captures an internal reference to the [[Prototype]] of the object created >>> by the enclosing object initialiser. If such a function is subsequently >>> extracted from the original object and installed as a property value in >>> some other object, the internal reference to the original [[Prototype]] >>> is not modified. Essentially, when a function references super it is >>> statically referencing a specific object that is identified when the >>> function is defined and not the [[Prototype]] of the object from which >>> the function was most recently retrieved. >>> >>> This behavior is consistent with that of most other languages that >>> provide reflection function to extract methods containing super and then >>> independently invoke them. >>> >> >> > > It's most sane proposal I think. However few things are not obvious to me, > will following evaluate as I assume: > > var A = { > one: function () { > return 'A.foo'; > } > }; > var B = Object.create(A); > > var C = Object.create(B); > C.one = function () { > return super.one(); > }; > > var c1 = Object.create(C); > obj.one(); // 'A.foo' > > > B.two = function () { > this.three(); > }; > B.three = function () { > return 'B.three'; > }; > C.two = function () { > super.two(); > }; > C.three = function () { > return 'C.three'; > }; > > var c2 = Object.create(C); > c2.two(); // C.three > > Thanks! > > ----- > Mariusz Nowak > > https://github.com/medikoo > -- > View this message in context: > http://old.nabble.com/Making-%22super%22-work-outside-a-literal--tp31880450p31884964.html > Sent from the Mozilla - ECMAScript 4 discussion mailing list archive at > Nabble.com. > > _______________________________________________ > es-discuss mailing list > es-discuss@mozilla.org > https://mail.mozilla.org/listinfo/es-discuss > -- Sean Eagan _______________________________________________ es-discuss mailing list es-discuss@mozilla.org https://mail.mozilla.org/listinfo/es-discuss
