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Do not process indexed values more than once

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Kirill Bulatov 2021-03-08 12:06:15 +02:00
parent 8f17f3d594
commit 128a6a4ec0
1 changed files with 31 additions and 29 deletions
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60
crates/hir_def/src/import_map.rs
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@ -403,40 +403,42 @@ pub fn search_dependencies<'a>(
}
let mut stream = op.union();
let mut res = FxHashSet::default();
let mut all_indexed_values = FxHashSet::default();
while let Some((_, indexed_values)) = stream.next() {
for indexed_value in indexed_values {
let import_map = &import_maps[indexed_value.index];
let importables = &import_map.importables[indexed_value.value as usize..];
all_indexed_values.extend(indexed_values.iter().copied());
}
let common_importable_data = &import_map.map[&importables[0]];
if !query.import_matches(common_importable_data, true) {
continue;
}
let mut res = FxHashSet::default();
for indexed_value in all_indexed_values {
let import_map = &import_maps[indexed_value.index];
let importables = &import_map.importables[indexed_value.value as usize..];
// Path shared by the importable items in this group.
let common_importables_path_fst = fst_path(&common_importable_data.path);
// Add the items from this `ModPath` group. Those are all subsequent items in
// `importables` whose paths match `path`.
let iter = importables
.iter()
.copied()
.take_while(|item| {
common_importables_path_fst == fst_path(&import_map.map[item].path)
})
.filter(|&item| match item_import_kind(item) {
Some(import_kind) => !query.exclude_import_kinds.contains(&import_kind),
None => true,
})
.filter(|item| {
!query.case_sensitive // we've already checked the common importables path case-insensitively
let common_importable_data = &import_map.map[&importables[0]];
if !query.import_matches(common_importable_data, true) {
continue;
}
// Path shared by the importable items in this group.
let common_importables_path_fst = fst_path(&common_importable_data.path);
// Add the items from this `ModPath` group. Those are all subsequent items in
// `importables` whose paths match `path`.
let iter = importables
.iter()
.copied()
.take_while(|item| common_importables_path_fst == fst_path(&import_map.map[item].path))
.filter(|&item| match item_import_kind(item) {
Some(import_kind) => !query.exclude_import_kinds.contains(&import_kind),
None => true,
})
.filter(|item| {
!query.case_sensitive // we've already checked the common importables path case-insensitively
|| query.import_matches(&import_map.map[item], false)
});
res.extend(iter);
});
res.extend(iter);
if res.len() >= query.limit {
return res;
}
if res.len() >= query.limit {
return res;
}
}