Subj : Re: how to overload setter function, but keeping standard behavior in addition to specific one
To   : netscape.public.mozilla.jseng
From : smaraux
Date : Thu Mar 03 2005 04:53 am

Brendan Eich <brendan@meer.net> wrote in message news:<42266733.9000401@meer.net>...
> sebastien maraux wrote:
> > Hello,
> > 
> > I am using an array of js vals attached to a js object via
> > JS_DefineElement function. When these js data are set, I need to apply
> > a specific behavior in addition to the standard one.
> > 
> > to summarize :
> > 
> > I would like to use a class with this setter :
> > 
> > setArrayElement(JSContext *pJSContext, JSObject *pJSObject, jsval id,
> > jsval *pJSSetVal)
> > {
> >        //... manipulating private data according to set value ...
> >        JS_SetElement(pJSContext, pJSObject, ind, pJSSetVal);
> > }
> > 
> 
> 
> Your setter is being called from generic "set property" code called from 
> the JS_SetElement API, so you don't want to call that code again 
> (recursively, divergently).  You should just update *pJSSetVal (argh, 
> pseudo-Hungarian! ;-) and return true.
> 
> /be

Thanks for your answer, I am finally done with what I wanted to do,
with clean memory management ;) It's always better to use js objects
and values when it is possible, this simplifies GC management a lot.

.