2 files changed, 16 insertions, 2 deletions

diff --git a/crates/ra_hir_expand/src/lib.rs b/crates/ra_hir_expand/src/lib.rs
index 4f3ccf1d0..b6a739cda 100644
--- a/crates/ra_hir_expand/src/lib.rs
+++ b/crates/ra_hir_expand/src/lib.rs
@@ -135,6 +135,16 @@ pub struct MacroDefId {
     pub kind: MacroDefKind,
 }
 
+impl MacroDefId {
+    pub fn as_call_id(
+        self,
+        db: &dyn db::AstDatabase,
+        ast_id: AstId<ast::MacroCall>,
+    ) -> MacroCallId {
+        db.intern_macro(MacroCallLoc { def: self, ast_id })
+    }
+}
+
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub enum MacroDefKind {
     Declarative,
@@ -143,8 +153,8 @@ pub enum MacroDefKind {
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct MacroCallLoc {
-    pub def: MacroDefId,
-    pub ast_id: AstId<ast::MacroCall>,
+    pub(crate) def: MacroDefId,
+    pub(crate) ast_id: AstId<ast::MacroCall>,
 }
 
 impl MacroCallId {
diff --git a/crates/ra_hir_expand/src/test_db.rs b/crates/ra_hir_expand/src/test_db.rs
index d23e75d9e..918736e2a 100644
--- a/crates/ra_hir_expand/src/test_db.rs
+++ b/crates/ra_hir_expand/src/test_db.rs
@@ -23,6 +23,10 @@ impl salsa::Database for TestDB {
         &self.runtime
     }
 
+    fn salsa_runtime_mut(&mut self) -> &mut salsa::Runtime<Self> {
+        &mut self.runtime
+    }
+
     fn salsa_event(&self, event: impl Fn() -> salsa::Event<TestDB>) {
         let mut events = self.events.lock().unwrap();
         if let Some(events) = &mut *events {