On Fri, Dec 06, 2013 at 12:51:26PM -0800, Patrick Walton wrote:
> Devirtualization isn't necessary if we use unboxed closures.
Yes, I was thinking the same thing. Interesting.
Niko
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On 12/6/13 2:59 PM, Niko Matsakis wrote:
This is not necessarily the case -- creating a new kind of GCThing is
rather hard, and wrapping in an object is heavyweight compared to
allocating a data structure on the stack.
Data structures on the stack should be traced with a CustomAutoRooter,
in m
Devirtualization isn't necessary if we use unboxed closures.
Patrick
Niko Matsakis wrote:
>On Fri, Dec 06, 2013 at 10:17:40AM -0800, Patrick Walton wrote:
>> Wouldn't these data structures be instead traced by the JS GC? ISTM
>> if you are putting roots in a data structure it is best to make the
On Fri, Dec 06, 2013 at 10:17:40AM -0800, Patrick Walton wrote:
> Wouldn't these data structures be instead traced by the JS GC? ISTM
> if you are putting roots in a data structure it is best to make the
> data structure itself traced.
This is not necessarily the case -- creating a new kind of GCT
On Thu, Dec 05, 2013 at 09:27:03AM -0800, Patrick Walton wrote:
> This is great stuff, thanks. Have you given thought to how the
> rooting API would work? That's one of the last major pieces to making
> the Servo DOM type- and memory-safe.
Just to summarize what you and I talked about on IRC for t
On 12/6/13 10:12 AM, Niko Matsakis wrote:
I am not especially happy with these two changes. They feel hokey and
special purpose. I guess the best sol'n depends on the degree of static
safety we want. Without something like the `'return` lifetime, I'm not
sure how we can guarantee that `Root` valu
Right, it's not done yet. This is a nicer workaround than the workaround we had
before, essentially.
Patrick
Bobby Holley wrote:
>To clarify, this stuff doesn't use the new inheritance stuff that's
>going
>into Rust, right? I assume that stuff isn't done yet?
>
>
>On Thu, Dec 5, 2013 at 9:05 AM
To clarify, this stuff doesn't use the new inheritance stuff that's going
into Rust, right? I assume that stuff isn't done yet?
On Thu, Dec 5, 2013 at 9:05 AM, Josh Matthews wrote:
> For those who just want to see a before/after summary, here's an example.
>
> BEFORE: we have to handwrite conve
On 12/5/13 9:05 AM, Josh Matthews wrote:
In my mind, the biggest improvement here is that we can actually have
lists of JSManaged, whereas before we could only store
~[AbstractNode] with the handwave-y guarantee that all of the nodes
should also be elements. I also find the new checked casts much
For those who just want to see a before/after summary, here's an example.
BEFORE: we have to handwrite conversion routines for each downcast or
upcast we want to use. Furthermore, we have the ugly
AbstractDocument/AbstractNode/AbstractEvent/AbstractEventTarget types,
in addition to all of the
On 12/03/2013 04:53 PM, Patrick Walton wrote:
On 12/3/13 12:54 AM, Josh Matthews wrote:
I don't entirely understand what this means, either in theory or in
practice.
So the issue is that the Rust compiler assumes a couple of things around
`&mut`:
1. No `&mut` aliases any `&` (because then `&`
On 12/3/13 12:54 AM, Josh Matthews wrote:
I don't entirely understand what this means, either in theory or in
practice.
So the issue is that the Rust compiler assumes a couple of things around
`&mut`:
1. No `&mut` aliases any `&` (because then `&` wouldn't be immutable).
2. No `&mut` aliase
On 12/03/2013 03:39 AM, Patrick Walton wrote:
On 12/3/13 12:07 AM, Josh Matthews wrote:
Ms2ger and I have been working on this on and off, and the Event
hierarchy is looking very nice so far:
https://github.com/jdm/servo/commits/jsmanaged . It even builds and
passes tests, so we should be able t
On 12/3/13 12:07 AM, Josh Matthews wrote:
Ms2ger and I have been working on this on and off, and the Event
hierarchy is looking very nice so far:
https://github.com/jdm/servo/commits/jsmanaged . It even builds and
passes tests, so we should be able to continue converting this
piece-by-piece. Ther
Ms2ger and I have been working on this on and off, and the Event
hierarchy is looking very nice so far:
https://github.com/jdm/servo/commits/jsmanaged . It even builds and
passes tests, so we should be able to continue converting this
piece-by-piece. There is an absolute minimum amount of boile
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