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Simplify and improve perf of import_assets::import_for_item

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This commit is contained in:
Lukas Wirth 2023-12-12 11:35:34 +01:00
parent 18591ae5c8
commit 34ec665ba1
3 changed files with 100 additions and 117 deletions
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13
crates/syntax/src/ast/node_ext.rs
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@ -275,10 +275,19 @@ impl ast::Path {
successors(Some(self.clone()), ast::Path::qualifier).last().unwrap()
}
pub fn first_qualifier(&self) -> Option<ast::Path> {
successors(self.qualifier(), ast::Path::qualifier).last()
}
pub fn first_segment(&self) -> Option<ast::PathSegment> {
self.first_qualifier_or_self().segment()
}
// FIXME: Check usages of Self::segments, they might be wrong because of the logic of the bloew function
pub fn segments_of_this_path_only_rev(&self) -> impl Iterator<Item = ast::PathSegment> + Clone {
self.qualifiers_and_self().filter_map(|it| it.segment())
}
pub fn segments(&self) -> impl Iterator<Item = ast::PathSegment> + Clone {
successors(self.first_segment(), |p| {
p.parent_path().parent_path().and_then(|p| p.segment())
@ -289,6 +298,10 @@ impl ast::Path {
successors(self.qualifier(), |p| p.qualifier())
}
pub fn qualifiers_and_self(&self) -> impl Iterator<Item = ast::Path> + Clone {
successors(Some(self.clone()), |p| p.qualifier())
}
pub fn top_path(&self) -> ast::Path {
let mut this = self.clone();
while let Some(path) = this.parent_path() {