4 files changed, 9 insertions, 3 deletions

diff --git a/crates/ra_hir/src/db.rs b/crates/ra_hir/src/db.rs
index 8af0a3176..3ac3c79a3 100644
--- a/crates/ra_hir/src/db.rs
+++ b/crates/ra_hir/src/db.rs
@@ -60,7 +60,7 @@ pub trait DefDatabase: SourceDatabase {
     #[salsa::invoke(crate::source_id::AstIdMap::ast_id_map_query)]
     fn ast_id_map(&self, file_id: HirFileId) -> Arc<AstIdMap>;
 
-    #[salsa::invoke(crate::source_id::AstIdMap::file_item_query)]
+    #[salsa::invoke(crate::source_id::AstIdMap::ast_id_to_node_query)]
     fn ast_id_to_node(&self, file_id: HirFileId, ast_id: ErasedFileAstId) -> TreeArc<SyntaxNode>;
 
     #[salsa::invoke(RawItems::raw_items_query)]
diff --git a/crates/ra_hir/src/source_id.rs b/crates/ra_hir/src/source_id.rs
index 0a8fb6d32..a2bc9a799 100644
--- a/crates/ra_hir/src/source_id.rs
+++ b/crates/ra_hir/src/source_id.rs
@@ -92,7 +92,7 @@ impl AstIdMap {
         Arc::new(AstIdMap::from_source_file(&source_file))
     }
 
-    pub(crate) fn file_item_query(
+    pub(crate) fn ast_id_to_node_query(
         db: &impl DefDatabase,
         file_id: HirFileId,
         ast_id: ErasedFileAstId,
diff --git a/crates/ra_ide_api/src/change.rs b/crates/ra_ide_api/src/change.rs
index 5bfdbe7e9..16b9ef3d5 100644
--- a/crates/ra_ide_api/src/change.rs
+++ b/crates/ra_ide_api/src/change.rs
@@ -186,6 +186,7 @@ impl RootDatabase {
         if let Some(crate_graph) = change.crate_graph {
             self.set_crate_graph(Arc::new(crate_graph))
         }
+        self.collect_after_change()
     }
 
     fn apply_root_change(&mut self, root_id: SourceRootId, root_change: RootChange) {
@@ -228,4 +229,9 @@ impl RootDatabase {
         self.query(hir::db::RawItemsWithSourceMapQuery).sweep(sweep);
         self.query(hir::db::BodyWithSourceMapQuery).sweep(sweep);
     }
+
+    pub(crate) fn collect_after_change(&mut self) {
+        let sweep = SweepStrategy::default().discard_everything().sweep_all_revisions();
+        self.query(hir::db::AstIdToNodeQuery).sweep(sweep)
+    }
 }
diff --git a/crates/ra_syntax/src/grammar.ron b/crates/ra_syntax/src/grammar.ron
index 011ef0616..cae5d8774 100644
--- a/crates/ra_syntax/src/grammar.ron
+++ b/crates/ra_syntax/src/grammar.ron
@@ -674,7 +674,7 @@ Grammar(
         "LifetimeArg": (),
 
         "MacroItems": (
-            traits: [ "ModuleItemOwner", "FnDefOwner" ],            
+            traits: [ "ModuleItemOwner", "FnDefOwner" ],
         ),
 
         "MacroStmts" : (