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-rw-r--r--crates/ra_ide_db/src/imports_locator.rs88
1 files changed, 42 insertions, 46 deletions
diff --git a/crates/ra_ide_db/src/imports_locator.rs b/crates/ra_ide_db/src/imports_locator.rs
index fff112e66..1fba71ff8 100644
--- a/crates/ra_ide_db/src/imports_locator.rs
+++ b/crates/ra_ide_db/src/imports_locator.rs
@@ -13,57 +13,53 @@ use crate::{
13use either::Either; 13use either::Either;
14use rustc_hash::FxHashSet; 14use rustc_hash::FxHashSet;
15 15
16pub struct ImportsLocator<'a> { 16pub fn find_imports<'a>(
17 sema: Semantics<'a, RootDatabase>, 17 sema: &Semantics<'a, RootDatabase>,
18 krate: Crate, 18 krate: Crate,
19} 19 name_to_import: &str,
20 20) -> Vec<Either<ModuleDef, MacroDef>> {
21impl<'a> ImportsLocator<'a> { 21 let _p = profile("search_for_imports");
22 pub fn new(db: &'a RootDatabase, krate: Crate) -> Self { 22 let db = sema.db;
23 Self { sema: Semantics::new(db), krate }
24 }
25 23
26 pub fn find_imports(&mut self, name_to_import: &str) -> Vec<Either<ModuleDef, MacroDef>> { 24 // Query dependencies first.
27 let _p = profile("search_for_imports"); 25 let mut candidates: FxHashSet<_> =
28 let db = self.sema.db; 26 krate.query_external_importables(db, name_to_import).collect();
29 27
30 // Query dependencies first. 28 // Query the local crate using the symbol index.
31 let mut candidates: FxHashSet<_> = 29 let local_results = {
32 self.krate.query_external_importables(db, name_to_import).collect(); 30 let mut query = Query::new(name_to_import.to_string());
31 query.exact();
32 query.limit(40);
33 symbol_index::crate_symbols(db, krate.into(), query)
34 };
33 35
34 // Query the local crate using the symbol index. 36 candidates.extend(
35 let local_results = { 37 local_results
36 let mut query = Query::new(name_to_import.to_string()); 38 .into_iter()
37 query.exact(); 39 .filter_map(|import_candidate| get_name_definition(sema, &import_candidate))
38 query.limit(40); 40 .filter_map(|name_definition_to_import| match name_definition_to_import {
39 symbol_index::crate_symbols(db, self.krate.into(), query) 41 Definition::ModuleDef(module_def) => Some(Either::Left(module_def)),
40 }; 42 Definition::Macro(macro_def) => Some(Either::Right(macro_def)),
43 _ => None,
44 }),
45 );
41 46
42 candidates.extend( 47 candidates.into_iter().collect()
43 local_results 48}
44 .into_iter()
45 .filter_map(|import_candidate| self.get_name_definition(&import_candidate))
46 .filter_map(|name_definition_to_import| match name_definition_to_import {
47 Definition::ModuleDef(module_def) => Some(Either::Left(module_def)),
48 Definition::Macro(macro_def) => Some(Either::Right(macro_def)),
49 _ => None,
50 }),
51 );
52
53 candidates.into_iter().collect()
54 }
55 49
56 fn get_name_definition(&mut self, import_candidate: &FileSymbol) -> Option<Definition> { 50fn get_name_definition<'a>(
57 let _p = profile("get_name_definition"); 51 sema: &Semantics<'a, RootDatabase>,
58 let file_id = import_candidate.file_id; 52 import_candidate: &FileSymbol,
53) -> Option<Definition> {
54 let _p = profile("get_name_definition");
55 let file_id = import_candidate.file_id;
59 56
60 let candidate_node = import_candidate.ptr.to_node(self.sema.parse(file_id).syntax()); 57 let candidate_node = import_candidate.ptr.to_node(sema.parse(file_id).syntax());
61 let candidate_name_node = if candidate_node.kind() != NAME { 58 let candidate_name_node = if candidate_node.kind() != NAME {
62 candidate_node.children().find(|it| it.kind() == NAME)? 59 candidate_node.children().find(|it| it.kind() == NAME)?
63 } else { 60 } else {
64 candidate_node 61 candidate_node
65 }; 62 };
66 let name = ast::Name::cast(candidate_name_node)?; 63 let name = ast::Name::cast(candidate_name_node)?;
67 classify_name(&self.sema, &name)?.into_definition() 64 classify_name(sema, &name)?.into_definition()
68 }
69} 65}