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style: Sprinkle some inline in trivial methods.

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These methods are instantiated by the Gecko library, and used during
querySelector, which means that they end up being super-hot in micro-benchmarks.

MozReview-Commit-ID: K1XJb0QyX5a
This commit is contained in:
Emilio Cobos Álvarez 2017-11-15 03:30:43 +01:00
parent 2efbf2230a
commit 28c04278e1
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GPG key ID: 056B727BB9C1027C
3 changed files with 28 additions and 0 deletions
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13
components/selectors/parser.rs
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@ -423,6 +423,7 @@ impl<Impl: SelectorImpl> Selector<Impl> {
/// Whether this selector (pseudo-element part excluded) matches every element.
///
/// Used for "pre-computed" pseudo-elements in components/style/stylist.rs
#[inline]
pub fn is_universal(&self) -> bool {
self.iter_raw_match_order().all(|c| matches!(*c,
Component::ExplicitUniversalType |
@ -435,6 +436,7 @@ impl<Impl: SelectorImpl> Selector<Impl> {
/// Returns an iterator over this selector in matching order (right-to-left).
/// When a combinator is reached, the iterator will return None, and
/// next_sequence() may be called to continue to the next sequence.
#[inline]
pub fn iter(&self) -> SelectorIter<Impl> {
SelectorIter {
iter: self.iter_raw_match_order(),
@ -444,6 +446,7 @@ impl<Impl: SelectorImpl> Selector<Impl> {
/// Returns an iterator over this selector in matching order (right-to-left),
/// skipping the rightmost |offset| Components.
#[inline]
pub fn iter_from(&self, offset: usize) -> SelectorIter<Impl> {
let iter = self.0.slice[offset..].iter();
SelectorIter {
@ -467,6 +470,7 @@ impl<Impl: SelectorImpl> Selector<Impl> {
/// Returns an iterator over the entire sequence of simple selectors and
/// combinators, in matching order (from right to left).
#[inline]
pub fn iter_raw_match_order(&self) -> slice::Iter<Component<Impl>> {
self.0.slice.iter()
}
@ -487,6 +491,7 @@ impl<Impl: SelectorImpl> Selector<Impl> {
/// Returns an iterator over the sequence of simple selectors and
/// combinators, in parse order (from left to right), starting from
/// `offset`.
#[inline]
pub fn iter_raw_parse_order_from(&self, offset: usize) -> Rev<slice::Iter<Component<Impl>>> {
self.0.slice[..self.len() - offset].iter().rev()
}
@ -506,6 +511,7 @@ impl<Impl: SelectorImpl> Selector<Impl> {
}
/// Returns count of simple selectors and combinators in the Selector.
#[inline]
pub fn len(&self) -> usize {
self.0.slice.len()
}
@ -525,11 +531,13 @@ pub struct SelectorIter<'a, Impl: 'a + SelectorImpl> {
impl<'a, Impl: 'a + SelectorImpl> SelectorIter<'a, Impl> {
/// Prepares this iterator to point to the next sequence to the left,
/// returning the combinator if the sequence was found.
#[inline]
pub fn next_sequence(&mut self) -> Option<Combinator> {
self.next_combinator.take()
}
/// Returns remaining count of the simple selectors and combinators in the Selector.
#[inline]
pub fn selector_length(&self) -> usize {
self.iter.len()
}
@ -537,6 +545,8 @@ impl<'a, Impl: 'a + SelectorImpl> SelectorIter<'a, Impl> {
impl<'a, Impl: SelectorImpl> Iterator for SelectorIter<'a, Impl> {
type Item = &'a Component<Impl>;
#[inline]
fn next(&mut self) -> Option<Self::Item> {
debug_assert!(self.next_combinator.is_none(),
"You should call next_sequence!");
@ -624,6 +634,7 @@ pub enum Combinator {
impl Combinator {
/// Returns true if this combinator is a child or descendant combinator.
#[inline]
pub fn is_ancestor(&self) -> bool {
matches!(*self, Combinator::Child |
Combinator::Descendant |
@ -631,11 +642,13 @@ impl Combinator {
}
/// Returns true if this combinator is a pseudo-element combinator.
#[inline]
pub fn is_pseudo_element(&self) -> bool {
matches!(*self, Combinator::PseudoElement)
}
/// Returns true if this combinator is a next- or later-sibling combinator.
#[inline]
pub fn is_sibling(&self) -> bool {
matches!(*self, Combinator::NextSibling | Combinator::LaterSibling)
}