…Yet another option is to insert Function.prototype into the TestClass prototype chain.
Geoff > On Oct 2, 2014, at 4:37 PM, Geoffrey Garen <gga...@apple.com> wrote: > > You’ll need to manually copy Function.prototype.apply to the TestClass > prototype. > > Another option is “Function.prototype.apply.call(TestClass, this, arguments)”. > > Geoff > >> On Oct 2, 2014, at 8:26 AM, Moritz Moeller <mmoel...@mxs.de >> <mailto:mmoel...@mxs.de>> wrote: >> >> Hi, >> >> I’ve created a javascript class in native code (i.e. JSClassCreate, >> JSObjectMakeConstructor etc.) and want to subclass this class in javascript. >> >> So pretty much: >> >> JSClassDefinition classDef = kJSClassDefinitionEmpty; >> classDef.className = "TestClass"; >> classDef.getProperty = class_getProperty; >> classDef.setProperty = class_setProperty; >> JSClassRef classRef = JSClassCreate(&classDef); >> JSObjectRef constructor = JSObjectMakeConstructor(ctx, gClassRef, >> class_constructor); >> JSObjectSetProperty(ctx, JSContextGetGlobalObject(ctx), >> JsString("TestClass"), constructor, 0, NULL); >> >> class_constructor does: >> return JSObjectMake(ctx, classRef, NULL); >> >> This works, so I can do >> var test = new TestClass(); >> test.field = 1; >> >> and both class_constructor and class_setProperty is called. >> >> Now I’m trying to subclass the TestClass: >> function SubClass() >> { >> TestClass.apply(this, arguments); >> } >> >> here it already got the problem that TestClass - being a constructor - does >> not have .bind() or .apply(). >> >> Does someone know how to get this working? >> >> Thank you very much, >> >> Mo >> _______________________________________________ >> webkit-dev mailing list >> webkit-dev@lists.webkit.org <mailto:webkit-dev@lists.webkit.org> >> https://lists.webkit.org/mailman/listinfo/webkit-dev > > _______________________________________________ > webkit-dev mailing list > webkit-dev@lists.webkit.org > https://lists.webkit.org/mailman/listinfo/webkit-dev
_______________________________________________ webkit-dev mailing list webkit-dev@lists.webkit.org https://lists.webkit.org/mailman/listinfo/webkit-dev
