This is the servo side change of [bug 1331291](https://bugzilla.mozilla.org/show_bug.cgi?id=1331291).
Source-Repo: https://github.com/servo/servo
Source-Revision: abd5f3ed59ba95d4532b9a86f435c781fd75695f
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This requires https://github.com/servo/rust-cssparser/pull/143 for the final commit. There's no better way to split that work up, unfortunately, and it's extremely easy to bitrot. I would appreciate if we could expedite reviewing this work.
This is the work necessary to enable https://bugzilla.mozilla.org/show_bug.cgi?id=1352669. It makes sense to merge it separately because it's so much effort to keep it up to date with the ongoing Stylo work.
---
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The level is a u8, so on 64-bit it packs nicely after the u32 specificity.
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The lack of `input.try` usage makes transform property to accept values like `rotate(70deg)foo`.
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This is the Servo side change of [bug 1345709](https://bugzilla.mozilla.org/show_bug.cgi?id=1345709).
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These are the interdependent patches of Bug 1335998. We want to do interpolation and accumulation for mismatched transform lists, so introduce ComputedOperation::InterpolateMatrix and ComputedOperation::Accumulation. Both arms store the from_list and to_list, and resolve them until we have the layout information. For the Servo part, we haven't implemented how to read the transform lists in layout/fragment.rs, but I think it would be easy. (related issue #13267)
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This is necessary for the serde 1.0 update.
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This file has become quite bloated lately. This commit deletes that file in
favor of a set of submodules.
The only noticeable change apart from code move, is converting deep_clone_foo
methods into a trait.
It also unifies logic related to different style rules in the same place.
There's some missing work, specially related to font-face and counter-style, but
I think this is worth landing in the meantime.
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rename : servo/components/style/document_condition.rs => servo/components/style/stylesheets/document_rule.rs
rename : servo/components/style/keyframes.rs => servo/components/style/stylesheets/keyframes_rule.rs
rename : servo/components/style/supports.rs => servo/components/style/stylesheets/supports_rule.rs
rename : servo/components/style/viewport.rs => servo/components/style/stylesheets/viewport_rule.rs
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This is for bug 1357583.
Source-Repo: https://github.com/servo/servo
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This commit splits the style and layout data in two separate refcells.
These transmutes have been a source of trouble (for example on Android), and
they feel like a hack anyway.
Fixes#16982
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Add accessor methods for the `device` and `ruleset` fields in the `Stylist` struct.
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This enum type used to contain the result of parsing one CSS source declaration (`name: value;`) and expanding shorthands. Enum types are as big as the biggest of their variant (plus discriminant), which was quite big because some shorthands expand to many longhand properties. This type was returned through many functions and methods, wrapped and rewrapped in `Result` with different error types. This presumably caused significant `memmove` traffic.
Instead, we now allocate an `ArrayVec` on the stack and pass `&mut` references to it for various functions to push into it. This type is also very big, but we never move it.
We still use an intermediate data structure because we sometimes decide after shorthand expansion that a declaration is invalid after all and that we’re gonna drop it. Only later do we push to a `PropertyDeclarationBlock`, with an entire `ArrayVec` or nothing.
In future work we can try to avoid a large stack-allocated array, and instead writing directly to the heap allocation of the `Vec` inside `PropertyDeclarationBlock`. However this is tricky: we need to preserve this "all or nothing" aspect of parsing one source declaration, and at the same time we want to make it as little error-prone as possible for the various call sites. `PropertyDeclarationBlock` curently does property deduplication incrementally: as each `PropertyDeclaration` is pushed, we check if an existing declaration of the same property exists and if so overwrite it. To get rid of the stack allocated array we’d need to somehow deduplicate separately after pushing multiple `PropertyDeclaration`.
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This cuts in almost half the time to run:
```
touch components/style/lib.rs
./mach test-stylo
```
Source-Repo: https://github.com/servo/servo
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This is the Servo side change for [bug 1345697](https://bugzilla.mozilla.org/show_bug.cgi?id=1345697).
Source-Repo: https://github.com/servo/servo
Source-Revision: eda64309f5b8f64476ca3301e610295cee5e05c4
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This has the implementation of grid's `<track-list>` nightmare.
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On top of https://github.com/servo/servo/pull/16890.
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Rebased from #16668.
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stylo: Pass Cached ImageValue from stylo back to gecko
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This is part 6 ~ part 9 patch in bug 1310885
gecko bug link:
https://bugzilla.mozilla.org/show_bug.cgi?id=1310885
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Bugzilla bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1350175
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This is a PR for https://bugzilla.mozilla.org/show_bug.cgi?id=1357295 .
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Fixes unsafe transmute between `AtomicRefCell<PersistentLayoutData>` and `AtomicRefCell<PartialPersistentLayoutData>` which have different memory alignment in 32 bit archs leading to SEGV crashes. See https://github.com/servo/servo/issues/16817 and https://github.com/servo/servo/pull/16816
mem::align_of values in 32 bit archs (e.g. Android):
```
PersistentLayoutData 8
PersistentLayoutData 4
AtomicRefCell<PersistentLayoutData> 8
AtomicRefCell<PartialPersistentLayoutData> 4
```
mem::align_of values in 64 bit archs
```
PersistentLayoutData 8
PersistentLayoutData 8
AtomicRefCell<PersistentLayoutData> 8
AtomicRefCell<PartialPersistentLayoutData> 8
```
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This slims down SharedStyleContext, in preparation for a few things.
First, I would like to eventually move the stylist to the document in Servo, in
order for it to hold the StyleSheetSet.
Also, this gets rid of a fair amount of overhead while creating it in stylo.
Fixes bug 1363245.
Source-Repo: https://github.com/servo/servo
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Xidorn Quan
Simon Sapin
Bobby Holley
Josh Matthews
Boris Zbarsky
Nazım Can Altınova
Boris Chiou
Bastien Orivel
Emilio Cobos Álvarez
Manish Goregaokar
Anthony Ramine
Manish Goregaokar
heyzoos
Ravi Shankar
Sumit
cku
Fernando Jiménez Moreno
Hiroyuki Ikezoe
Simon Whitehead
Imanol Fernandez