From b01fb22494eaf64c02c17fc38598a3a2dbd8e980 Mon Sep 17 00:00:00 2001
From: Jonas Schievink <jonas.schievink@ferrous-systems.com>
Date: Tue, 9 Jun 2020 18:48:00 +0200
Subject: ra_hir: expose `import_map::search_dependencies`

---
 crates/ra_hir/src/code_model.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'crates/ra_hir')

diff --git a/crates/ra_hir/src/code_model.rs b/crates/ra_hir/src/code_model.rs
index 4a06f3bcd..c8329d971 100644
--- a/crates/ra_hir/src/code_model.rs
+++ b/crates/ra_hir/src/code_model.rs
@@ -9,6 +9,7 @@ use hir_def::{
     builtin_type::BuiltinType,
     docs::Documentation,
     expr::{BindingAnnotation, Pat, PatId},
+    import_map,
     per_ns::PerNs,
     resolver::{HasResolver, Resolver},
     type_ref::{Mutability, TypeRef},
@@ -98,6 +99,19 @@ impl Crate {
         db.crate_graph()[self.id].display_name.as_ref().cloned()
     }
 
+    pub fn query_external_importables(
+        self,
+        db: &dyn DefDatabase,
+        query: &str,
+    ) -> impl Iterator<Item = Either<ModuleDef, MacroDef>> {
+        import_map::search_dependencies(db, self.into(), import_map::Query::new(query).anchor_end())
+            .into_iter()
+            .map(|item| match item {
+                ItemInNs::Types(mod_id) | ItemInNs::Values(mod_id) => Either::Left(mod_id.into()),
+                ItemInNs::Macros(mac_id) => Either::Right(mac_id.into()),
+            })
+    }
+
     pub fn all(db: &dyn HirDatabase) -> Vec<Crate> {
         db.crate_graph().iter().map(|id| Crate { id }).collect()
     }
-- 
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