Subj : Re: GC question: JS_GetStringBytes
To   : netscape.public.mozilla.jseng
From : Eric Anholt
Date : Sat Aug 27 2005 05:25 pm

Eric Anholt wrote:
> I'm one of the developers of swfdec, and we've been using the 
> spidermonkey code for interpreting actionscript with pretty good success 
> (primary complaint would be the lack of a build system outside of 
> mozilla that properly builds and installs shared libraries).
> 
> However, while re-reading the code I realized I was being really sloppy 
> with GC, and I had a couple of questions as a result:
> 
> - I assume JS_GetStringBytes returns GCed bytes, right?  What is the 
> guaranteed lifetime of these guys?  If it's "as long as the original 
> stirng is rooted," I'm fine.

Sorry for the lack of RTFM.  I hadn't found the JS Embedder's Reference 
somehow (and noticed it while reading more newsgroup entries).

> - What would you do if you have to maintain a stack of jsvals?  I'm 
> using a manually rooted JS array and setting jsvals into indexes of it, 
> but I'm not terribly pleased with this method.

.