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style: Deduplicate TokenList values faster

Browse source 
Remember whether we have already de-duplicated them once and avoid doing
that again.

This is an alternative approach that doesn't add overhead to attribute
setting in the general case.

Differential Revision: https://phabricator.services.mozilla.com/D142813
This commit is contained in:
Emilio Cobos Álvarez 2023-06-18 14:10:52 +02:00 • committed by Martin Robinson
parent 739d6d14ab
commit 80d2c8f22b
1 changed files with 2 additions and 2 deletions
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4
components/style/gecko/snapshot_helpers.rs
View file

@ -44,14 +44,14 @@ unsafe fn get_class_or_part_from_attr(attr: &structs::nsAttrValue) -> Class {
structs::nsAttrValue_ValueType_eAtomArray structs::nsAttrValue_ValueType_eAtomArray
); );
// NOTE: Bindgen doesn't deal with AutoTArray, so cast it below. // NOTE: Bindgen doesn't deal with AutoTArray, so cast it below.
let array: *mut u8 = *(*container) let attr_array: *mut _ = *(*container)
.__bindgen_anon_1 .__bindgen_anon_1
.mValue .mValue
.as_ref() .as_ref()
.__bindgen_anon_1 .__bindgen_anon_1
.mAtomArray .mAtomArray
.as_ref(); .as_ref();
let array = array as *const structs::nsTArray<structs::RefPtr<nsAtom>>; let array = (*attr_array).mArray.as_ptr() as *const structs::nsTArray<structs::RefPtr<nsAtom>>;
return Class::More(&**array); return Class::More(&**array);
} }
debug_assert_eq!(base_type, structs::nsAttrValue_ValueBaseType_eStringBase); debug_assert_eq!(base_type, structs::nsAttrValue_ValueBaseType_eStringBase);