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Produce location variants more efficiently (#4096)

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Laurenz 2024-05-08 12:54:58 +02:00 committed by GitHub
parent 560791afe8
commit 4bca472210
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2 changed files with 11 additions and 9 deletions
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18
crates/typst/src/introspection/location.rs
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@ -28,17 +28,19 @@ pub struct Location {
/// An unique number among elements with the same hash. This is the reason /// An unique number among elements with the same hash. This is the reason
/// we need a `Locator` everywhere. /// we need a `Locator` everywhere.
pub disambiguator: usize, pub disambiguator: usize,
/// A synthetic location created from another one. This is used for example
/// in bibliography management to create individual linkable locations for
/// reference entries from the bibliography's location.
pub variant: usize,
} }
impl Location { impl Location {
/// Produce a variant of this location. /// Produces a well-known variant of this location.
pub fn variant(mut self, n: usize) -> Self { ///
self.variant = n; /// This is a synthetic location created from another one and is used, for
self /// example, in bibliography management to create individual linkable
/// locations for reference entries from the bibliography's location.
pub fn variant(self, n: usize) -> Self {
Self {
hash: crate::util::hash128(&(self.hash, n)),
..self
}
} }
} }

2
crates/typst/src/introspection/locator.rs
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@ -69,7 +69,7 @@ impl<'a> Locator<'a> {
self.hashes.get_mut().insert(hash, disambiguator + 1); self.hashes.get_mut().insert(hash, disambiguator + 1);
// Create the location in its default variant. // Create the location in its default variant.
Location { hash, disambiguator, variant: 0 } Location { hash, disambiguator }
} }
/// Advance past a frame. /// Advance past a frame.