3 files changed, 11 insertions, 6 deletions

diff --git a/crates/libanalysis/src/imp.rs b/crates/libanalysis/src/imp.rs
index f1d72da15..b80ce1ab5 100644
--- a/crates/libanalysis/src/imp.rs
+++ b/crates/libanalysis/src/imp.rs
@@ -151,7 +151,7 @@ impl AnalysisImpl {
             .collect()
     }
 
-    pub fn crate_root(&self, id: FileId) -> Vec<CrateId> {
+    pub fn crate_for(&self, id: FileId) -> Vec<CrateId> {
         let module_map = &self.data.module_map;
         let crate_graph = &self.data.crate_graph;
         let mut res = Vec::new();
@@ -177,7 +177,9 @@ impl AnalysisImpl {
         }
         res
     }
-
+    pub fn crate_root(&self, crate_id: CrateId) -> FileId {
+        self.data.crate_graph.crate_roots[&crate_id]
+    }
     pub fn approximately_resolve_symbol(
         &self,
         id: FileId,
diff --git a/crates/libanalysis/src/lib.rs b/crates/libanalysis/src/lib.rs
index 041abbb89..ba290f1e0 100644
--- a/crates/libanalysis/src/lib.rs
+++ b/crates/libanalysis/src/lib.rs
@@ -182,8 +182,11 @@ impl Analysis {
     pub fn parent_module(&self, file_id: FileId) -> Vec<(FileId, FileSymbol)> {
         self.imp.parent_module(file_id)
     }
-    pub fn crate_root(&self, file_id: FileId) -> Vec<CrateId> {
-        self.imp.crate_root(file_id)
+    pub fn crate_for(&self, file_id: FileId) -> Vec<CrateId> {
+        self.imp.crate_for(file_id)
+    }
+    pub fn crate_root(&self, crate_id: CrateId) -> FileId {
+        self.imp.crate_root(crate_id)
     }
     pub fn runnables(&self, file_id: FileId) -> Vec<Runnable> {
         let file = self.file_syntax(file_id);
diff --git a/crates/libanalysis/tests/tests.rs b/crates/libanalysis/tests/tests.rs
index c098c8e8c..4fae7c313 100644
--- a/crates/libanalysis/tests/tests.rs
+++ b/crates/libanalysis/tests/tests.rs
@@ -126,7 +126,7 @@ fn test_resolve_crate_root() {
         (1, "/lib.rs"),
         (2, "/foo.rs"),
     ]));
-    assert!(snap.crate_root(FileId(2)).is_empty());
+    assert!(snap.crate_for(FileId(2)).is_empty());
 
     let crate_graph = CrateGraph {
         crate_roots: {
@@ -142,7 +142,7 @@ fn test_resolve_crate_root() {
         (2, "/foo.rs"),
     ]));
     assert_eq!(
-        snap.crate_root(FileId(2)),
+        snap.crate_for(FileId(2)),
         vec![CrateId(1)],
     );
 }