Right now you could still set preffed-off properties from CSSStyleDeclaration.
Source-Repo: https://github.com/servo/servo
Source-Revision: 3d8363cd87cd9e94fa6ce5e1ba14123e0514a7ef
It's not only more consistent (since we have a proper ParserContext there), but
also fixes a bunch of bugs where Gecko accidentally exposes and allows setting
internal state because of conversions from nsCSSPropertyID to PropertyId.
This adds the extra complexity of caring about aliases for longer, but that's
probably not a big deal in practice, since we have PropertyDeclarationId.
Source-Repo: https://github.com/servo/servo
Source-Revision: 3864f320e8c6ff707d5b11fe46d67c0677cd112a
See #18809
Still haven't had time to test it but it should fix the tests failures that appeared in m-c
Source-Repo: https://github.com/servo/servo
Source-Revision: fe4139b779b3af749ec1426ddf4e1393c7b85442
It still needs dependencies update to remove all the other bitflags
versions.
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Source-Repo: https://github.com/servo/servo
Source-Revision: fe16c1d5c3c9084da0ccb85af599d6ec0f8ab20b
Servo currently uses `heapsize`, but Stylo/Gecko use `malloc_size_of`.
`malloc_size_of` is better -- it handles various cases that `heapsize` does not
-- so this patch changes Servo to use `malloc_size_of`.
This patch makes the following changes to the `malloc_size_of` crate.
- Adds `MallocSizeOf` trait implementations for numerous types, some built-in
(e.g. `VecDeque`), some external and Servo-only (e.g. `string_cache`).
- Makes `enclosing_size_of_op` optional, because vanilla jemalloc doesn't
support that operation.
- For `HashSet`/`HashMap`, falls back to a computed estimate when
`enclosing_size_of_op` isn't available.
- Adds an extern "C" `malloc_size_of` function that does the actual heap
measurement; this is based on the same functions from the `heapsize` crate.
This patch makes the following changes elsewhere.
- Converts all the uses of `heapsize` to instead use `malloc_size_of`.
- Disables the "heapsize"/"heap_size" feature for the external crates that
provide it.
- Removes the `HeapSizeOf` implementation from `hashglobe`.
- Adds `ignore` annotations to a few `Rc`/`Arc`, because `malloc_size_of`
doesn't derive those types, unlike `heapsize`.
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Source-Repo: https://github.com/servo/servo
Source-Revision: 4c538b642e4bdfbf42c522c5a59c258a6d14546e
http://www.robohornet.org gives a score of 101.36 on master, and 102.68 with this PR. The latter is slightly better, but probably within noise level. So it looks like this PR does not affect DOM performance.
This is expected since `Box::new` is defined as:
```rust
impl<T> Box<T> {
#[inline(always)]
pub fn new(x: T) -> Box<T> {
box x
}
}
```
With inlining, it should compile to the same as box syntax.
Source-Repo: https://github.com/servo/servo
Source-Revision: a9022be0c3e30249845ca5947ac0c0a6743c7991
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Automatically verify that derive() lists are alphabetically ordered #18172
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Source-Revision: 474369618965569407d127b1e8c481e757cc59d3
This pr reviewed by Manishearth and xidorn in bugzilla.
---
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- [X] These changes fix [Bug 1344314](https://bugzilla.mozilla.org/show_bug.cgi?id=1344314)
Source-Repo: https://github.com/servo/servo
Source-Revision: dca1150ea1ff85d3bf0af70437a24cc32a9b6d94
The `stylearc` alias is left there temporarilly and will be removed completely in a later commit/PR where also `components/style/gecko/generated/structs_{debug|release}.rs` are re-generated (they still use the old alias).
---
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Source-Repo: https://github.com/servo/servo
Source-Revision: 31228c18499d1c7f68b6b64b559354c768e81215
This matches the behaviour of Gecko's CSS parser.
- [X] `./mach build -d` does not report any errors
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- [X] These changes fix#17736
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Source-Repo: https://github.com/servo/servo
Source-Revision: 38f4ae80c4b456b89ee33543c8c6699501696c9c
We parse when assigning using the namespaces of the stylesheet. It isn't
clear if the spec says to do that (Firefox doesn't support the setter at
all, Chrome does, Safari doesn't); the spec issue is here:
https://github.com/w3c/csswg-drafts/issues/1511
Also fix ToCss implementation of AttrSelectorOperator to not pad with
spaces, to conform with CSSOM. This means we have to update some unit
tests that expect operators with spaces around them in attribute
selectors to roundtrip.
See the "attribute selector" section of "Serializing Selectors" here:
https://drafts.csswg.org/cssom/#serializing-selectors
CSSStyleRule.selectorText is specified here:
https://drafts.csswg.org/cssom/#dom-cssstylerule-selectortext
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Source-Revision: 4b6e79337ef975e3ec752513b76ae6a6284c1199
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https://bugzilla.mozilla.org/show_bug.cgi?id=1369588
---
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- [X] `./mach test-tidy` does not report any errors
- [X] These changes do not require tests because it's for stylo
Source-Repo: https://github.com/servo/servo
Source-Revision: d28324d9eb1dd484c322698d2acb64831637c7ee
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`.
Source-Repo: https://github.com/servo/servo
Source-Revision: 60682cf81fe19a82c73dd98ba4c1eebc1dbbfcac
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This is a PR for https://bugzilla.mozilla.org/show_bug.cgi?id=1357295 .
---
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Source-Repo: https://github.com/servo/servo
Source-Revision: 0900ad4e4e980040f4c89da0bcc7bb52ca0aabd4
The Gecko side doesn't propagate its quirks mode yet.
Source-Repo: https://github.com/servo/servo
Source-Revision: d8bcc0db1aad26e007b7e2bdeda3cea4953c0db0
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Before this PR, every object reflected in CSSOM is in `Arc<RwLock<_>>` to enable safe (synchronized) mutable aliasing. Acquiring all these locks has significant cost during selector matching:
* https://bugzilla.mozilla.org/show_bug.cgi?id=1311469
* https://bugzilla.mozilla.org/show_bug.cgi?id=1335941
* https://bugzilla.mozilla.org/show_bug.cgi?id=1339703
This PR introduce a mechanism to protect many objects with the same `RwLock` that only needs to be acquired once.
In Stylo, there is one such lock per process (in a `lazy_static`), used for everything.
I non-Stylo Servo, I originally intended to have one such lock per document (for author-origin stylesheets, and one per process for user-agent and user sytlesheets since they’re shared across documents, and never mutated anyway). However I failed to have the same document-specific (or pipeline-specific) `Arc` reachable from both `Document` nodes and `LayoutThread`. Recursively following callers lead me to include this `Arc` in `UnprivilegedPipelineContent`, but that needs to be serializable. So there is a second process-wide lock.
This was previously #15998, closed accidentally.
---
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Source-Revision: bb54f0a429de0e8b8861f8071b6cf82f73622664
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---
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Source-Repo: https://github.com/servo/servo
Source-Revision: 4fc7034370b3d9c3511607968b7ce724b59c4817
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This is preliminar work for the style attribute restyle hint.
Source-Repo: https://github.com/servo/servo
Source-Revision: 7a40f472337f0a9a44e2146f4005ec99da38f96b
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---
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- [x] These changes fix#14209 (github issue number if applicable).
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Source-Revision: d05cae5072fae2b3469a69119365aca4220e3394
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* `LonghandId` and `ShorthandId` are C-like enums
* `Atom` is used for the name of custom properties.
* `PropertyDeclarationId` is the identifier for `PropertyDeclaration`,
after parsing and shorthand expansion. (Longhand or custom property.)
* `PropertyId` represents any CSS property, e.g. in CSSOM.
(Longhand, shorthand, or custom.)
CC @upsuper
---
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Source-Revision: 6dd4b4822fa788694153ee61a04dd9a5dfb748ec
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---
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Source-Repo: https://github.com/servo/servo
Source-Revision: 68b1d1d2860ac6c6e8c1c0dfe46af6790ca01dc8
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This will allow types to be generic over our local `ToCss`
---
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Source-Repo: https://github.com/servo/servo
Source-Revision: f48b3fe2197a59b29bc711fb1b5496cbb97bd330
Previously, `string-cache` defined:
* An string-like `Atom` type,
* An `atom!("foo")` macro that expands to a value of that type, for a set of strings known at compile-time,
* A `struct Namespace(Atom);` type
* A `ns!(html)` macro that maps known prefixed to `Namespace` values with the corresponding namespace URL.
Adding a string to the static set required making a change to the `string-cache` crate.
With 0.3, the `Atom` type is now generic, with a type parameter that provides a set of static strings. We can have multiple such sets, defined in different crates. The `string_cache_codegen` crate, to be used in build scripts, generates code that defines such a set, a new atom type (a type alias for `Atom<_>` with the type parameter set), and an `atom!`-like macro.
The html5ever repository has a new `html5ever_atoms` crate that defines three such types: `Prefix`, `Namespace`, and `LocalName` (with respective `namespace_prefix!`, `namespace_url!`, and `local_name!` macros). It also defines the `ns!` macro like before.
This repository has a new `servo_atoms` crate in `components/atoms` that, for now, defines a single `Atom` type (and `atom!`) macro. (`servo_atoms::Atom` is defined as something like `type Atom = string_cache::Atom<ServoStaticStringSet>;`, so overall there’s now two types named `Atom`.)
In this PR, `servo_atoms::Atom` is used for everything else that was `string_cache::Atom` before. But more atom types can be defined as needed. Two reasons to do this are to auto-generate the set of static strings (I’m planning to do this for CSS property names, which is the motivation for this change), or to have the type system help us avoid mix up unrelated things (this is why we had a `Namespace` type ever before this change).
Introducing new types helped me find a bug: when creating a new attribute `dom::Element::set_style_attr`, would pass `Some(atom!("style"))` instead of `None` (now `Option<html5ever_atoms::Prefix>` instead of `Option<string_cache::Atom>`) to the `prefix` argument of `Attr::new`. I suppose the author of that code confused it with the `local_name` argument.
---
Note that Stylo is not affected by any of this. The `gecko_string_cache` module is unchanged, with a single `Atom` type. The `style` crate conditionally compiles `Prefix` and `LocalName` re-exports for that are both `gecko_string_cache::Atom` on stylo.
---
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Source-Revision: 5b4cc9568dbd5c15e5d2fbc62719172f11566ffa
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… so that Stylo can re-use it.
Fixes https://bugzilla.mozilla.org/show_bug.cgi?id=1295865
---
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Source-Repo: https://github.com/servo/servo
Source-Revision: 626d093245066755c751510d2c09a9b864b129fd
Globals in that PR are now represented by the fake IDL interface `GlobalScope`.
Source-Repo: https://github.com/servo/servo
Source-Revision: a6e4b5bb86ad707a0863acff87344ca4239cfd2c
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As discussed in https://bugzilla.mozilla.org/show_bug.cgi?id=1305141Closes#13176
---
Original PR title: Stop relying on `impl<T: HeapSizeOf> HeapSizeOf for Arc<T>`
https://github.com/servo/heapsize/issues/37#issuecomment-249861171
This builds on top of that.
---
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`DOMRefCell` usage is not there year because of thread-safety questions, but I have this much already that I’d like to land before it bitrots.
r? @emilio
---
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Source-Repo: https://github.com/servo/servo
Source-Revision: bbfe38e35f3f6a51009c0411647c89c8b5616357
Have a single Vec instead of two. Fix#3426
---
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Source-Repo: https://github.com/servo/servo
Source-Revision: f8b2be1ea4d844d5bddd88df2e5db42731bd6a39
- [x] These changes fix#4431.
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy --faster` reports one error for the `css_properties_accessors!` macro not having a spec link
```
$ git log -1 --format=oneline
91fb9bf1d388c3ede304a5d649dd21fe975787b0 fixup! implement cssText
$ ./mach build -d
Compiling style v0.0.1 (file:///Users/greg/servo/components/style)
Compiling gfx v0.0.1 (file:///Users/greg/servo/components/gfx)
Compiling script v0.0.1 (file:///Users/greg/servo/components/script)
Compiling layout_traits v0.0.1 (file:///Users/greg/servo/components/layout_traits)
Compiling compositing v0.0.1 (file:///Users/greg/servo/components/compositing)
Compiling glutin_app v0.0.1 (file:///Users/greg/servo/ports/glutin)
Compiling constellation v0.0.1 (file:///Users/greg/servo/components/constellation)
Compiling layout v0.0.1 (file:///Users/greg/servo/components/layout)
Compiling servo v0.0.1 (file:///Users/greg/servo/components/servo)
Build completed in 0:05:11.475584
$ ./mach test-tidy --faster
Checking files for tidiness...
./components/script/dom/cssstyledeclaration.rs:386: method declared in webidl is missing a comment with a specification link
Progress: 100% (12/12)
```
- [x] There are tests for these changes. More CSSOM tests pass, but others fail that probably shouldn't:
* `./mach test-css tests/wpt/css-tests/cssom-1_dev/html/index-002.htm` and a bunch of the other tests in `/css-tests/cssom-1_dev/html/ crash when run individually
* `./mach test-css tests/wpt/css-tests/cssom-1_dev/html/cssom-cssText-serialize.htm` fails to strip a trailing semicolon (`left: 10px` vs `left: 10px;`)
* `./mach test-css tests/wpt/css-tests/cssom-1_dev/html/index-001.htm` shared shorthand values aren't coalesced (`margin: 20px` vs. `margin: 20px 20px 20px 20px`)
* `./mach test-css tests/wpt/css-tests/cssom-1_dev/html/cssstyledeclaration-csstext.htm` also crashes and fails for `color: red;` vs. `color: RED;`, preserving declaration insertion order, whitespace in the value, and setting an unknown style property.
Source-Repo: https://github.com/servo/servo
Source-Revision: 09e6f4ac546a77294d9af7fe0ff0bc344be8de91
