1 files changed, 6 insertions, 0 deletions

diff --git a/crates/ra_hir_def/src/body.rs b/crates/ra_hir_def/src/body.rs
index d3e4c50ae..142c52d35 100644
--- a/crates/ra_hir_def/src/body.rs
+++ b/crates/ra_hir_def/src/body.rs
@@ -163,6 +163,7 @@ pub struct BodySourceMap {
     pat_map: FxHashMap<PatSource, PatId>,
     pat_map_back: ArenaMap<PatId, PatSource>,
     field_map: FxHashMap<(ExprId, usize), AstPtr<ast::RecordField>>,
+    expansions: FxHashMap<InFile<AstPtr<ast::MacroCall>>, HirFileId>,
 }
 
 impl Body {
@@ -237,6 +238,11 @@ impl BodySourceMap {
         self.expr_map.get(&src).cloned()
     }
 
+    pub fn node_macro_file(&self, node: InFile<&ast::MacroCall>) -> Option<HirFileId> {
+        let src = node.map(|it| AstPtr::new(it));
+        self.expansions.get(&src).cloned()
+    }
+
     pub fn field_init_shorthand_expr(&self, node: InFile<&ast::RecordField>) -> Option<ExprId> {
         let src = node.map(|it| Either::Right(AstPtr::new(it)));
         self.expr_map.get(&src).cloned()