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-rw-r--r--crates/ra_ide_db/src/imports_locator.rs65
1 files changed, 0 insertions, 65 deletions
diff --git a/crates/ra_ide_db/src/imports_locator.rs b/crates/ra_ide_db/src/imports_locator.rs
deleted file mode 100644
index 9e040973b..000000000
--- a/crates/ra_ide_db/src/imports_locator.rs
+++ /dev/null
@@ -1,65 +0,0 @@
1//! This module contains an import search funcionality that is provided to the ra_assists module.
2//! Later, this should be moved away to a separate crate that is accessible from the ra_assists module.
3
4use hir::{Crate, MacroDef, ModuleDef, Semantics};
5use ra_prof::profile;
6use ra_syntax::{ast, AstNode, SyntaxKind::NAME};
7
8use crate::{
9 defs::{classify_name, Definition},
10 symbol_index::{self, FileSymbol, Query},
11 RootDatabase,
12};
13use either::Either;
14use rustc_hash::FxHashSet;
15
16pub fn find_imports<'a>(
17 sema: &Semantics<'a, RootDatabase>,
18 krate: Crate,
19 name_to_import: &str,
20) -> Vec<Either<ModuleDef, MacroDef>> {
21 let _p = profile("search_for_imports");
22 let db = sema.db;
23
24 // Query dependencies first.
25 let mut candidates: FxHashSet<_> =
26 krate.query_external_importables(db, name_to_import).collect();
27
28 // Query the local crate using the symbol index.
29 let local_results = {
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 };
35
36 candidates.extend(
37 local_results
38 .into_iter()
39 .filter_map(|import_candidate| get_name_definition(sema, &import_candidate))
40 .filter_map(|name_definition_to_import| match name_definition_to_import {
41 Definition::ModuleDef(module_def) => Some(Either::Left(module_def)),
42 Definition::Macro(macro_def) => Some(Either::Right(macro_def)),
43 _ => None,
44 }),
45 );
46
47 candidates.into_iter().collect()
48}
49
50fn get_name_definition<'a>(
51 sema: &Semantics<'a, RootDatabase>,
52 import_candidate: &FileSymbol,
53) -> Option<Definition> {
54 let _p = profile("get_name_definition");
55 let file_id = import_candidate.file_id;
56
57 let candidate_node = import_candidate.ptr.to_node(sema.parse(file_id).syntax());
58 let candidate_name_node = if candidate_node.kind() != NAME {
59 candidate_node.children().find(|it| it.kind() == NAME)?
60 } else {
61 candidate_node
62 };
63 let name = ast::Name::cast(candidate_name_node)?;
64 classify_name(sema, &name)?.into_definition(sema.db)
65}