[webkit-dev] ExecState::thisObject()

[Maciej Stachowiak]

On Jul 13, 2009, at 4:12 PM, Adam Barth wrote:

> On Mon, Jul 13, 2009 at 4:08 PM, Maciej Stachowiak<mjs at apple.com>  
> wrote:
>> Built-in classes work somewhat differently. I believe they use the  
>> calling
>> function's global object ("lexical global object") rather than  
>> having some
>> notion of home object.
>
> You might be thinking of boxing primitive values, which do indeed get
> their prototypes from the current lexical scope.

Hmm. Exporting "home global object" behavior to some of the built-in  
JS types would be more challenging than doing it just for DOM objects.  
Some of the built-in classes are up against the JSC cell size limit.

Regards,
Maciej