On Thu, Dec 11, 2014 at 8:44 PM, Jan de Mooij <jandemo...@gmail.com> wrote:
> On Thu, Dec 11, 2014 at 9:28 AM, Xue Fuqiao <xfq.f...@gmail.com> wrote:
>> Are
>> "string descriptors" the name of strings, or metadata about strings,
>> or other things?
>
> "string descriptor" refers to JSString, see the comments in
> js/src/vm/String.h for more info.
>>
>> Is a "property list" a list of data/accessor property
>> names/values/attributes of an object?
>
> It's probably talking about shapes (see the big comment in
> js/src/vm/Shape.h), but the page is outdated. Since bug 569422 [0], shapes
> are managed by the GC.
>
> The part about "double-precision floating point numbers" is also not true,
> since bug 549143 [1] doubles are no longer heap allocated. The "Mozilla’s
> New JavaScript Value Representation" post [2] has more details.

I see. Thank you. I've updated that page.
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