1 files changed, 9 insertions, 1 deletions

diff --git a/crates/ra_project_model/src/sysroot.rs b/crates/ra_project_model/src/sysroot.rs
index 3d827809e..10ca391b6 100644
--- a/crates/ra_project_model/src/sysroot.rs
+++ b/crates/ra_project_model/src/sysroot.rs
@@ -31,10 +31,18 @@ impl Sysroot {
         self.by_name("core")
     }
 
+    pub fn alloc(&self) -> Option<SysrootCrate> {
+        self.by_name("alloc")
+    }
+
     pub fn std(&self) -> Option<SysrootCrate> {
         self.by_name("std")
     }
 
+    pub fn proc_macro(&self) -> Option<SysrootCrate> {
+        self.by_name("proc_macro")
+    }
+
     pub fn crates<'a>(&'a self) -> impl Iterator<Item = SysrootCrate> + ExactSizeIterator + 'a {
         self.crates.iter().map(|(id, _data)| id)
     }
@@ -70,7 +78,7 @@ impl Sysroot {
             }
         }
         if let Some(alloc) = sysroot.by_name("alloc") {
-            if let Some(core) = sysroot.by_name("core") {
+            if let Some(core) = sysroot.core() {
                 sysroot.crates[alloc].deps.push(core);
             }
         }