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Auto merge of #18017 - heycam:split-cascade, r=emilio
style: Move all origin-specific cascade data to PerOriginCascadeData <!-- Please describe your changes on the following line: --> This is a preliminary refactoring in preparation for only rebuilding cascade data for origins that have a change. https://bugzilla.mozilla.org/show_bug.cgi?id=1382925 --- <!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: --> - [X] `./mach build -d` does not report any errors - [X] `./mach test-tidy` does not report any errors - [ ] These changes fix #__ (github issue number if applicable). <!-- Either: --> - [ ] There are tests for these changes OR - [ ] These changes do not require tests because _____ <!-- Also, please make sure that "Allow edits from maintainers" checkbox is checked, so that we can help you if you get stuck somewhere along the way.--> <!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. --> <!-- Reviewable:start --> --- This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/18017) <!-- Reviewable:end -->
This commit is contained in:
commit
ca14848711
7 changed files with 345 additions and 197 deletions
|
@ -533,7 +533,7 @@ pub fn maybe_start_animations(context: &SharedStyleContext,
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continue
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}
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if let Some(ref anim) = context.stylist.animations().get(name) {
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if let Some(ref anim) = context.stylist.get_animation(name) {
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debug!("maybe_start_animations: animation {} found", name);
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// If this animation doesn't have any keyframe, we can just continue
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@ -637,7 +637,7 @@ pub fn update_style_for_animation(context: &SharedStyleContext,
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KeyframesRunningState::Paused(progress) => started_at + duration * progress,
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};
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let animation = match context.stylist.animations().get(name) {
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let animation = match context.stylist.get_animation(name) {
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None => {
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warn!("update_style_for_animation: Animation {:?} not found", name);
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return;
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|
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@ -388,16 +388,16 @@ impl TraversalStatistics {
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D: DomTraversal<E>,
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{
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let threshold = traversal.shared_context().options.style_statistics_threshold;
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let stylist = traversal.shared_context().stylist;
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self.is_parallel = Some(traversal.is_parallel());
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self.is_large = Some(self.elements_traversed as usize >= threshold);
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self.traversal_time_ms = (time::precise_time_s() - start) * 1000.0;
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self.selectors = traversal.shared_context().stylist.num_selectors() as u32;
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self.revalidation_selectors = traversal.shared_context().stylist.num_revalidation_selectors() as u32;
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self.dependency_selectors =
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traversal.shared_context().stylist.invalidation_map().len() as u32;
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self.declarations = traversal.shared_context().stylist.num_declarations() as u32;
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self.stylist_rebuilds = traversal.shared_context().stylist.num_rebuilds() as u32;
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self.selectors = stylist.num_selectors() as u32;
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self.revalidation_selectors = stylist.num_revalidation_selectors() as u32;
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self.dependency_selectors = stylist.num_invalidations() as u32;
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self.declarations = stylist.num_declarations() as u32;
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self.stylist_rebuilds = stylist.num_rebuilds() as u32;
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}
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/// Returns whether this traversal is 'large' in order to avoid console spam
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@ -109,7 +109,7 @@ impl SelectorMapEntry for Dependency {
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/// The same, but for state selectors, which can track more exactly what state
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/// do they track.
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#[derive(Clone)]
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#[derive(Clone, Debug)]
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#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
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pub struct StateDependency {
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/// The other dependency fields.
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@ -132,6 +132,7 @@ impl SelectorMapEntry for StateDependency {
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/// In particular, we want to lookup as few things as possible to get the fewer
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/// selectors the better, so this looks up by id, class, or looks at the list of
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/// state/other attribute affecting selectors.
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#[derive(Debug)]
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#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
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pub struct InvalidationMap {
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/// A map from a given class name to all the selectors with that class
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|
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@ -213,9 +213,9 @@ impl<'a, 'b: 'a, E> TreeStyleInvalidator<'a, 'b, E>
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invalidates_self: false,
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};
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collector.collect_dependencies_in_invalidation_map(
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shared_context.stylist.invalidation_map(),
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);
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shared_context.stylist.each_invalidation_map(|invalidation_map| {
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collector.collect_dependencies_in_invalidation_map(invalidation_map);
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});
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// TODO(emilio): Consider storing dependencies from the UA sheet in
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// a different map. If we do that, we can skip the stuff on the
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@ -223,9 +223,9 @@ impl<'a, 'b: 'a, E> TreeStyleInvalidator<'a, 'b, E>
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// just at that map.
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let _cut_off_inheritance =
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self.element.each_xbl_stylist(|stylist| {
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collector.collect_dependencies_in_invalidation_map(
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stylist.invalidation_map(),
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);
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stylist.each_invalidation_map(|invalidation_map| {
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collector.collect_dependencies_in_invalidation_map(invalidation_map);
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});
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});
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collector.invalidates_self
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|
|
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@ -25,7 +25,7 @@ use rule_tree::{CascadeLevel, RuleTree, StyleSource};
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use selector_map::{PrecomputedHashMap, SelectorMap, SelectorMapEntry};
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use selector_parser::{SelectorImpl, PerPseudoElementMap, PseudoElement};
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use selectors::attr::NamespaceConstraint;
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use selectors::bloom::BloomFilter;
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use selectors::bloom::{BloomFilter, NonCountingBloomFilter};
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use selectors::matching::{ElementSelectorFlags, matches_selector, MatchingContext, MatchingMode};
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use selectors::matching::VisitedHandlingMode;
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use selectors::parser::{AncestorHashes, Combinator, Component, Selector};
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@ -97,9 +97,6 @@ pub struct Stylist {
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/// The rule tree, that stores the results of selector matching.
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rule_tree: RuleTree,
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/// A map with all the animations indexed by name.
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animations: PrecomputedHashMap<Atom, KeyframesAnimation>,
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/// Applicable declarations for a given non-eagerly cascaded pseudo-element.
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/// These are eagerly computed once, and then used to resolve the new
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/// computed values on the fly on layout.
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@ -111,52 +108,6 @@ pub struct Stylist {
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/// style rule appears in a stylesheet, needed to sort them by source order.
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rules_source_order: u32,
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/// The invalidation map for this document.
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invalidation_map: InvalidationMap,
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/// The attribute local names that appear in attribute selectors. Used
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/// to avoid taking element snapshots when an irrelevant attribute changes.
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/// (We don't bother storing the namespace, since namespaced attributes
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/// are rare.)
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///
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/// FIXME(heycam): This doesn't really need to be a counting Bloom filter.
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#[cfg_attr(feature = "servo", ignore_heap_size_of = "just an array")]
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attribute_dependencies: BloomFilter,
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/// Whether `"style"` appears in an attribute selector. This is not common,
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/// and by tracking this explicitly, we can avoid taking an element snapshot
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/// in the common case of style=""` changing due to modifying
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/// `element.style`. (We could track this in `attribute_dependencies`, like
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/// all other attributes, but we should probably not risk incorrectly
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/// returning `true` for `"style"` just due to a hash collision.)
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style_attribute_dependency: bool,
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/// The element state bits that are relied on by selectors. Like
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/// `attribute_dependencies`, this is used to avoid taking element snapshots
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/// when an irrelevant element state bit changes.
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state_dependencies: ElementState,
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/// The ids that appear in the rightmost complex selector of selectors (and
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/// hence in our selector maps). Used to determine when sharing styles is
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/// safe: we disallow style sharing for elements whose id matches this
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/// filter, and hence might be in one of our selector maps.
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///
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/// FIXME(bz): This doesn't really need to be a counting Blooom filter.
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#[cfg_attr(feature = "servo", ignore_heap_size_of = "just an array")]
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mapped_ids: BloomFilter,
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/// Selectors that require explicit cache revalidation (i.e. which depend
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/// on state that is not otherwise visible to the cache, like attributes or
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/// tree-structural state like child index and pseudos).
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#[cfg_attr(feature = "servo", ignore_heap_size_of = "Arc")]
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selectors_for_cache_revalidation: SelectorMap<RevalidationSelectorAndHashes>,
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/// The total number of selectors.
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num_selectors: usize,
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/// The total number of declarations.
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num_declarations: usize,
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/// The total number of times the stylist has been rebuilt.
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num_rebuilds: usize,
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}
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@ -239,18 +190,9 @@ impl Stylist {
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effective_media_query_results: EffectiveMediaQueryResults::new(),
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cascade_data: CascadeData::new(),
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animations: Default::default(),
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precomputed_pseudo_element_decls: PerPseudoElementMap::default(),
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rules_source_order: 0,
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rule_tree: RuleTree::new(),
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invalidation_map: InvalidationMap::new(),
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attribute_dependencies: BloomFilter::new(),
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style_attribute_dependency: false,
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state_dependencies: ElementState::empty(),
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mapped_ids: BloomFilter::new(),
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selectors_for_cache_revalidation: SelectorMap::new(),
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num_selectors: 0,
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num_declarations: 0,
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num_rebuilds: 0,
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}
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@ -259,12 +201,12 @@ impl Stylist {
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/// Returns the number of selectors.
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pub fn num_selectors(&self) -> usize {
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self.num_selectors
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self.cascade_data.iter_origins().map(|d| d.num_selectors).sum()
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}
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/// Returns the number of declarations.
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pub fn num_declarations(&self) -> usize {
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self.num_declarations
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self.cascade_data.iter_origins().map(|d| d.num_declarations).sum()
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}
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/// Returns the number of times the stylist has been rebuilt.
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@ -274,12 +216,27 @@ impl Stylist {
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/// Returns the number of revalidation_selectors.
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pub fn num_revalidation_selectors(&self) -> usize {
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self.selectors_for_cache_revalidation.len()
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self.cascade_data.iter_origins()
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.map(|d| d.selectors_for_cache_revalidation.len()).sum()
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}
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/// Gets a reference to the invalidation map.
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pub fn invalidation_map(&self) -> &InvalidationMap {
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&self.invalidation_map
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/// Returns the number of entries in invalidation maps.
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pub fn num_invalidations(&self) -> usize {
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self.cascade_data.iter_origins()
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.map(|d| d.invalidation_map.len()).sum()
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}
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/// Invokes `f` with the `InvalidationMap` for each origin.
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///
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/// NOTE(heycam) This might be better as an `iter_invalidation_maps`, once
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/// we have `impl trait` and can return that easily without bothering to
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/// create a whole new iterator type.
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pub fn each_invalidation_map<F>(&self, mut f: F)
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where F: FnMut(&InvalidationMap)
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{
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for origin_cascade_data in self.cascade_data.iter_origins() {
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f(&origin_cascade_data.invalidation_map)
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}
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}
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/// Clear the stylist's state, effectively resetting it to more or less
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|
@ -307,18 +264,9 @@ impl Stylist {
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self.is_device_dirty = true;
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// preserve current quirks_mode value
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self.cascade_data.clear();
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self.animations.clear(); // Or set to Default::default()?
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self.precomputed_pseudo_element_decls.clear();
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self.rules_source_order = 0;
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// We want to keep rule_tree around across stylist rebuilds.
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self.invalidation_map.clear();
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self.attribute_dependencies.clear();
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self.style_attribute_dependency = false;
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self.state_dependencies = ElementState::empty();
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self.mapped_ids.clear();
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self.selectors_for_cache_revalidation = SelectorMap::new();
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self.num_selectors = 0;
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self.num_declarations = 0;
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// preserve num_rebuilds value, since it should stay across
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// clear()/rebuild() cycles.
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}
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|
@ -459,9 +407,10 @@ impl Stylist {
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match *rule {
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CssRule::Style(ref locked) => {
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let style_rule = locked.read_with(&guard);
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self.num_declarations += style_rule.block.read_with(&guard).len();
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origin_cascade_data.num_declarations +=
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style_rule.block.read_with(&guard).len();
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for selector in &style_rule.selectors.0 {
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self.num_selectors += 1;
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origin_cascade_data.num_selectors += 1;
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let map = match selector.pseudo_element() {
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Some(pseudo) if pseudo.is_precomputed() => {
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|
@ -506,20 +455,22 @@ impl Stylist {
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map.insert(rule, self.quirks_mode);
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self.invalidation_map.note_selector(selector, self.quirks_mode);
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origin_cascade_data
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.invalidation_map
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.note_selector(selector, self.quirks_mode);
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let mut visitor = StylistSelectorVisitor {
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needs_revalidation: false,
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passed_rightmost_selector: false,
|
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attribute_dependencies: &mut self.attribute_dependencies,
|
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style_attribute_dependency: &mut self.style_attribute_dependency,
|
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state_dependencies: &mut self.state_dependencies,
|
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mapped_ids: &mut self.mapped_ids,
|
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attribute_dependencies: &mut origin_cascade_data.attribute_dependencies,
|
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style_attribute_dependency: &mut origin_cascade_data.style_attribute_dependency,
|
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state_dependencies: &mut origin_cascade_data.state_dependencies,
|
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mapped_ids: &mut origin_cascade_data.mapped_ids,
|
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};
|
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|
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selector.visit(&mut visitor);
|
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|
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if visitor.needs_revalidation {
|
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self.selectors_for_cache_revalidation.insert(
|
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origin_cascade_data.selectors_for_cache_revalidation.insert(
|
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RevalidationSelectorAndHashes::new(selector.clone(), hashes),
|
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self.quirks_mode);
|
||||
}
|
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|
@ -542,14 +493,15 @@ impl Stylist {
|
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debug!("Found valid keyframes rule: {:?}", *keyframes_rule);
|
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|
||||
// Don't let a prefixed keyframes animation override a non-prefixed one.
|
||||
let needs_insertion = keyframes_rule.vendor_prefix.is_none() ||
|
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self.animations.get(keyframes_rule.name.as_atom()).map_or(true, |rule|
|
||||
rule.vendor_prefix.is_some());
|
||||
let needs_insertion =
|
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keyframes_rule.vendor_prefix.is_none() ||
|
||||
origin_cascade_data.animations.get(keyframes_rule.name.as_atom())
|
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.map_or(true, |rule| rule.vendor_prefix.is_some());
|
||||
if needs_insertion {
|
||||
let animation = KeyframesAnimation::from_keyframes(
|
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&keyframes_rule.keyframes, keyframes_rule.vendor_prefix.clone(), guard);
|
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debug!("Found valid keyframe animation: {:?}", animation);
|
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self.animations.insert(keyframes_rule.name.as_atom().clone(), animation);
|
||||
origin_cascade_data.animations.insert(keyframes_rule.name.as_atom().clone(), animation);
|
||||
}
|
||||
}
|
||||
#[cfg(feature = "gecko")]
|
||||
|
@ -576,9 +528,16 @@ impl Stylist {
|
|||
// we rebuild.
|
||||
true
|
||||
} else if *local_name == local_name!("style") {
|
||||
self.style_attribute_dependency
|
||||
self.cascade_data
|
||||
.iter_origins()
|
||||
.any(|d| d.style_attribute_dependency)
|
||||
} else {
|
||||
self.attribute_dependencies.might_contain_hash(local_name.get_hash())
|
||||
self.cascade_data
|
||||
.iter_origins()
|
||||
.any(|d| {
|
||||
d.attribute_dependencies
|
||||
.might_contain_hash(local_name.get_hash())
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -590,14 +549,16 @@ impl Stylist {
|
|||
// rules rely on until we rebuild.
|
||||
true
|
||||
} else {
|
||||
self.state_dependencies.intersects(state)
|
||||
self.has_state_dependency(state)
|
||||
}
|
||||
}
|
||||
|
||||
/// Returns whether the given ElementState bit is relied upon by a selector
|
||||
/// of some rule in the stylist.
|
||||
pub fn has_state_dependency(&self, state: ElementState) -> bool {
|
||||
self.state_dependencies.intersects(state)
|
||||
self.cascade_data
|
||||
.iter_origins()
|
||||
.any(|d| d.state_dependencies.intersects(state))
|
||||
}
|
||||
|
||||
/// Computes the style for a given "precomputed" pseudo-element, taking the
|
||||
|
@ -1317,7 +1278,9 @@ impl Stylist {
|
|||
/// of our rule maps.
|
||||
#[inline]
|
||||
pub fn may_have_rules_for_id(&self, id: &Atom) -> bool {
|
||||
self.mapped_ids.might_contain_hash(id.get_hash())
|
||||
self.cascade_data
|
||||
.iter_origins()
|
||||
.any(|d| d.mapped_ids.might_contain_hash(id.get_hash()))
|
||||
}
|
||||
|
||||
/// Return whether the device is dirty, that is, whether the screen size or
|
||||
|
@ -1327,10 +1290,13 @@ impl Stylist {
|
|||
self.is_device_dirty
|
||||
}
|
||||
|
||||
/// Returns the map of registered `@keyframes` animations.
|
||||
/// Returns the registered `@keyframes` animation for the specified name.
|
||||
#[inline]
|
||||
pub fn animations(&self) -> &PrecomputedHashMap<Atom, KeyframesAnimation> {
|
||||
&self.animations
|
||||
pub fn get_animation(&self, name: &Atom) -> Option<&KeyframesAnimation> {
|
||||
self.cascade_data
|
||||
.iter_origins()
|
||||
.filter_map(|d| d.animations.get(name))
|
||||
.next()
|
||||
}
|
||||
|
||||
/// Computes the match results of a given element against the set of
|
||||
|
@ -1354,17 +1320,19 @@ impl Stylist {
|
|||
// the lookups, which means that the bitvecs are comparable. We verify
|
||||
// this in the caller by asserting that the bitvecs are same-length.
|
||||
let mut results = BitVec::new();
|
||||
self.selectors_for_cache_revalidation.lookup(
|
||||
*element, self.quirks_mode, &mut |selector_and_hashes| {
|
||||
results.push(matches_selector(&selector_and_hashes.selector,
|
||||
selector_and_hashes.selector_offset,
|
||||
Some(&selector_and_hashes.hashes),
|
||||
element,
|
||||
&mut matching_context,
|
||||
flags_setter));
|
||||
true
|
||||
}
|
||||
);
|
||||
for origin_cascade_data in self.cascade_data.iter_origins() {
|
||||
origin_cascade_data.selectors_for_cache_revalidation.lookup(
|
||||
*element, self.quirks_mode, &mut |selector_and_hashes| {
|
||||
results.push(matches_selector(&selector_and_hashes.selector,
|
||||
selector_and_hashes.selector_offset,
|
||||
Some(&selector_and_hashes.hashes),
|
||||
element,
|
||||
&mut matching_context,
|
||||
flags_setter));
|
||||
true
|
||||
}
|
||||
);
|
||||
}
|
||||
|
||||
results
|
||||
}
|
||||
|
@ -1470,9 +1438,9 @@ struct StylistSelectorVisitor<'a> {
|
|||
passed_rightmost_selector: bool,
|
||||
/// The filter with all the id's getting referenced from rightmost
|
||||
/// selectors.
|
||||
mapped_ids: &'a mut BloomFilter,
|
||||
mapped_ids: &'a mut NonCountingBloomFilter,
|
||||
/// The filter with the local names of attributes there are selectors for.
|
||||
attribute_dependencies: &'a mut BloomFilter,
|
||||
attribute_dependencies: &'a mut NonCountingBloomFilter,
|
||||
/// Whether there's any attribute selector for the [style] attribute.
|
||||
style_attribute_dependency: &'a mut bool,
|
||||
/// All the states selectors in the page reference.
|
||||
|
@ -1635,6 +1603,11 @@ impl CascadeData {
|
|||
}
|
||||
}
|
||||
|
||||
/// Iterator over `PerOriginCascadeData`, from highest level (user) to lowest
|
||||
/// (user agent).
|
||||
///
|
||||
/// We rely on this specific order for correctly looking up animations
|
||||
/// (prioritizing rules at higher cascade levels), among other things.
|
||||
struct CascadeDataIter<'a> {
|
||||
cascade_data: &'a CascadeData,
|
||||
cur: usize,
|
||||
|
@ -1645,9 +1618,9 @@ impl<'a> Iterator for CascadeDataIter<'a> {
|
|||
|
||||
fn next(&mut self) -> Option<&'a PerOriginCascadeData> {
|
||||
let result = match self.cur {
|
||||
0 => &self.cascade_data.user_agent,
|
||||
0 => &self.cascade_data.user,
|
||||
1 => &self.cascade_data.author,
|
||||
2 => &self.cascade_data.user,
|
||||
2 => &self.cascade_data.user_agent,
|
||||
_ => return None,
|
||||
};
|
||||
self.cur += 1;
|
||||
|
@ -1666,6 +1639,52 @@ struct PerOriginCascadeData {
|
|||
/// Rules from stylesheets at this `CascadeData`'s origin that correspond
|
||||
/// to a given pseudo-element.
|
||||
pseudos_map: PerPseudoElementMap<SelectorMap<Rule>>,
|
||||
|
||||
/// A map with all the animations at this `CascadeData`'s origin, indexed
|
||||
/// by name.
|
||||
animations: PrecomputedHashMap<Atom, KeyframesAnimation>,
|
||||
|
||||
/// The invalidation map for the rules at this origin.
|
||||
invalidation_map: InvalidationMap,
|
||||
|
||||
/// The attribute local names that appear in attribute selectors. Used
|
||||
/// to avoid taking element snapshots when an irrelevant attribute changes.
|
||||
/// (We don't bother storing the namespace, since namespaced attributes
|
||||
/// are rare.)
|
||||
#[cfg_attr(feature = "servo", ignore_heap_size_of = "just an array")]
|
||||
attribute_dependencies: NonCountingBloomFilter,
|
||||
|
||||
/// Whether `"style"` appears in an attribute selector. This is not common,
|
||||
/// and by tracking this explicitly, we can avoid taking an element snapshot
|
||||
/// in the common case of style=""` changing due to modifying
|
||||
/// `element.style`. (We could track this in `attribute_dependencies`, like
|
||||
/// all other attributes, but we should probably not risk incorrectly
|
||||
/// returning `true` for `"style"` just due to a hash collision.)
|
||||
style_attribute_dependency: bool,
|
||||
|
||||
/// The element state bits that are relied on by selectors. Like
|
||||
/// `attribute_dependencies`, this is used to avoid taking element snapshots
|
||||
/// when an irrelevant element state bit changes.
|
||||
state_dependencies: ElementState,
|
||||
|
||||
/// The ids that appear in the rightmost complex selector of selectors (and
|
||||
/// hence in our selector maps). Used to determine when sharing styles is
|
||||
/// safe: we disallow style sharing for elements whose id matches this
|
||||
/// filter, and hence might be in one of our selector maps.
|
||||
#[cfg_attr(feature = "servo", ignore_heap_size_of = "just an array")]
|
||||
mapped_ids: NonCountingBloomFilter,
|
||||
|
||||
/// Selectors that require explicit cache revalidation (i.e. which depend
|
||||
/// on state that is not otherwise visible to the cache, like attributes or
|
||||
/// tree-structural state like child index and pseudos).
|
||||
#[cfg_attr(feature = "servo", ignore_heap_size_of = "Arc")]
|
||||
selectors_for_cache_revalidation: SelectorMap<RevalidationSelectorAndHashes>,
|
||||
|
||||
/// The total number of selectors.
|
||||
num_selectors: usize,
|
||||
|
||||
/// The total number of declarations.
|
||||
num_declarations: usize,
|
||||
}
|
||||
|
||||
impl PerOriginCascadeData {
|
||||
|
@ -1673,6 +1692,15 @@ impl PerOriginCascadeData {
|
|||
Self {
|
||||
element_map: SelectorMap::new(),
|
||||
pseudos_map: PerPseudoElementMap::default(),
|
||||
animations: Default::default(),
|
||||
invalidation_map: InvalidationMap::new(),
|
||||
attribute_dependencies: NonCountingBloomFilter::new(),
|
||||
style_attribute_dependency: false,
|
||||
state_dependencies: ElementState::empty(),
|
||||
mapped_ids: NonCountingBloomFilter::new(),
|
||||
selectors_for_cache_revalidation: SelectorMap::new(),
|
||||
num_selectors: 0,
|
||||
num_declarations: 0,
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -1685,7 +1713,17 @@ impl PerOriginCascadeData {
|
|||
}
|
||||
|
||||
fn clear(&mut self) {
|
||||
*self = Self::new();
|
||||
self.element_map = SelectorMap::new();
|
||||
self.pseudos_map = Default::default();
|
||||
self.animations = Default::default();
|
||||
self.invalidation_map.clear();
|
||||
self.attribute_dependencies.clear();
|
||||
self.style_attribute_dependency = false;
|
||||
self.state_dependencies = ElementState::empty();
|
||||
self.mapped_ids.clear();
|
||||
self.selectors_for_cache_revalidation = SelectorMap::new();
|
||||
self.num_selectors = 0;
|
||||
self.num_declarations = 0;
|
||||
}
|
||||
|
||||
fn has_rules_for_pseudo(&self, pseudo: &PseudoElement) -> bool {
|
||||
|
@ -1761,8 +1799,8 @@ impl Rule {
|
|||
|
||||
/// A function to be able to test the revalidation stuff.
|
||||
pub fn needs_revalidation_for_testing(s: &Selector<SelectorImpl>) -> bool {
|
||||
let mut attribute_dependencies = BloomFilter::new();
|
||||
let mut mapped_ids = BloomFilter::new();
|
||||
let mut attribute_dependencies = NonCountingBloomFilter::new();
|
||||
let mut mapped_ids = NonCountingBloomFilter::new();
|
||||
let mut style_attribute_dependency = false;
|
||||
let mut state_dependencies = ElementState::empty();
|
||||
let mut visitor = StylistSelectorVisitor {
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue