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Store selectors in matching order, rather than parse order.

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We add a slow in-place reverse during parsing to achieve this for now, which
gets fixed up later on.

MozReview-Commit-ID: 42QkOzSgV3T
This commit is contained in:
Bobby Holley 2017-06-18 13:40:46 -07:00
parent fac5aeb092
commit 1d242ad760
4 changed files with 42 additions and 31 deletions
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4
components/style/invalidation/element/invalidator.rs
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@ -53,7 +53,7 @@ impl fmt::Debug for Invalidation {
use cssparser::ToCss;
f.write_str("Invalidation(")?;
for component in self.selector.iter_raw_rev_from(self.offset - 1) {
for component in self.selector.iter_raw_parse_order_from(self.offset - 1) {
if matches!(*component, Component::Combinator(..)) {
break;
}
@ -568,7 +568,7 @@ impl<'a, 'b: 'a, E> TreeStyleInvalidator<'a, 'b, E>
if matches!(next_combinator, Combinator::PseudoElement) {
let pseudo_selector =
invalidation.selector
.iter_raw_rev_from(next_combinator_offset - 1)
.iter_raw_parse_order_from(next_combinator_offset - 1)
.next()
.unwrap();
let pseudo = match *pseudo_selector {