One of many hurdles in upgrading to a newer SpiderMonkey revision was
the exact rooting requirement, and I've got a branch that has a decent
start on that: https://github.com/jdm/servo/commits/newroot
In short, with my changes all of Servo's content tests run correctly
despite GCing every time
On 03/29/2014 01:35 PM, Josh Matthews wrote:
One of many hurdles in upgrading to a newer SpiderMonkey revision was
the exact rooting requirement, and I've got a branch that has a decent
start on that: https://github.com/jdm/servo/commits/newroot
In short, with my changes all of Servo's content t
On 10/03/2014 23:54, Keegan McAllister wrote:
[...]
Also, should we follow Gecko in representing the input stream as a
queue of UTF-16 buffers? With UTF-8 we would have about half as much
data to stream through the parser, and (on 64-bit) we could do
case-insensitive ASCII operations 8 characte
On 3/29/14 6:56 PM, Simon Sapin wrote:
Or I guess we could use what I’ll call "evil UTF-8", which is UTF-8
without the artificial restriction of not encoding surrogates.
http://en.wikipedia.org/wiki/CESU-8
As far as I understand, a "parse error" in the spec is meant for
conformance checkers (
Hi everyone,
I've been discussing this idea with a few people in person over the past
week, and nobody told me it was completely insane. ;) So I thought I'd
send this idea around.
By now many people have heard of WebKit's CSS JIT. It's a surprisingly
small amount of code. One of the issues t
On 3/29/14 8:23 PM, Patrick Walton wrote:
This is just 29 bytes of code when assembled. This is likely larger than
the equivalent `nsRuleNode`
The right comparison is not nsRuleNode but nsCSSSelector, right?
These are actually pretty bloated in Gecko right now. For example,
".foo #a" is pars
Yes, it does have pretty tight coupling. That is the biggest risk.
On a related note, I have been tossing around ideas today for using SIMD to
match multiple selectors that have the same "shape" in parallel. For example,
if we have ".foo #a" and ".bar #a" it may be possible to use the packed
co
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