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Auto merge of #16875 - bzbarsky:dir-no-revalidation, r=emilio
Don't require style sharing cache invalidation for :dir <!-- Please describe your changes on the following line: --> --- <!-- 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 - [X] These changes do not require tests because we have no way to test performance optimizations, sadly. <!-- 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/16875) <!-- Reviewable:end -->
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1 changed files with 5 additions and 1 deletions
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@ -159,8 +159,12 @@ impl NonTSPseudoClass {
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/// Returns true if the given pseudoclass should trigger style sharing cache revalidation.
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pub fn needs_cache_revalidation(&self) -> bool {
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// :dir() depends on state only, but doesn't use state_flag because its
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// semantics don't quite match. Nevertheless, it doesn't need cache
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// revalidation, because we already compare states for elements and
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// candidates.
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self.state_flag().is_empty() &&
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!matches!(*self, NonTSPseudoClass::MozAny(_))
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!matches!(*self, NonTSPseudoClass::MozAny(_) | NonTSPseudoClass::Dir(_))
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}
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/// Convert NonTSPseudoClass to Gecko's CSSPseudoClassType.
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