[webkit-dev] Internal JSON Parsing

Oliver Hunt oliver at apple.com
Thu Dec 8 09:08:22 PST 2011

It's not safe to use ScriptObject for values that are kept alive by JS objects as it leads to cycles in the collector.

Also the cached value for an attribute should be in the binding classes, not the implementation classes.  The easiest way to understand why is to ask yourself how a non-js (objc, gobject, etc) binding layer would use the same cached value.

I suspect you can probably just kill off the no custom getter+CachedAttribute check in the code generator as I think i was simply being conservative when i wrote that code.


On Dec 8, 2011, at 8:39 AM, Jarred Nicholls wrote:

> Hey webkittens,
> I'm working on https://bugs.webkit.org/show_bug.cgi?id=73648 to support the json response entity from XHR.response.  Unless I'm mistaken (the purpose of this inquiry) we don't appear to have a VM-agnostic interface for internal JSON parsing, i.e., straight to the parsers.  If so, what does everyone think about adding in that basic interface?  What I'd like to avoid is preprocessor branches directly in XHR talking to JSC and V8 directly; instead, what would be ideal I think is an interface to parse and return a ScriptObject.
> Any additional input is surely welcomed.
> Thanks,
> Jarred
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> webkit-dev at lists.webkit.org
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