1 files changed, 26 insertions, 20 deletions

diff --git a/crates/ra_hir/src/db.rs b/crates/ra_hir/src/db.rs
index 189649841..7183b1630 100644
--- a/crates/ra_hir/src/db.rs
+++ b/crates/ra_hir/src/db.rs
@@ -19,8 +19,8 @@ use crate::{
     ids::SourceFileItemId,
 };
 
-#[salsa::query_group(HirDatabaseStorage)]
-pub trait HirDatabase: SourceDatabase + AsRef<HirInterner> {
+#[salsa::query_group(PersistentHirDatabaseStorage)]
+pub trait PersistentHirDatabase: SourceDatabase + AsRef<HirInterner> {
     #[salsa::invoke(HirFileId::hir_parse)]
     fn hir_parse(&self, file_id: HirFileId) -> TreeArc<SourceFile>;
 
@@ -36,21 +36,9 @@ pub trait HirDatabase: SourceDatabase + AsRef<HirInterner> {
     #[salsa::invoke(crate::adt::EnumData::enum_data_query)]
     fn enum_data(&self, e: Enum) -> Arc<EnumData>;
 
-    #[salsa::invoke(crate::ty::infer)]
-    fn infer(&self, func: Function) -> Arc<InferenceResult>;
-
-    #[salsa::invoke(crate::ty::type_for_def)]
-    fn type_for_def(&self, def: TypableDef) -> Ty;
-
-    #[salsa::invoke(crate::ty::type_for_field)]
-    fn type_for_field(&self, field: StructField) -> Ty;
-
     #[salsa::invoke(query_definitions::file_items)]
     fn file_items(&self, file_id: HirFileId) -> Arc<SourceFileItems>;
 
-    #[salsa::invoke(query_definitions::file_item)]
-    fn file_item(&self, source_item_id: SourceItemId) -> TreeArc<SyntaxNode>;
-
     #[salsa::invoke(crate::module_tree::Submodule::submodules_query)]
     fn submodules(
         &self,
@@ -88,15 +76,33 @@ pub trait HirDatabase: SourceDatabase + AsRef<HirInterner> {
     #[salsa::invoke(crate::ty::method_resolution::CrateImplBlocks::impls_in_crate_query)]
     fn impls_in_crate(&self, krate: Crate) -> Arc<CrateImplBlocks>;
 
-    #[salsa::invoke(crate::expr::body_hir)]
-    fn body_hir(&self, func: Function) -> Arc<crate::expr::Body>;
-
-    #[salsa::invoke(crate::expr::body_syntax_mapping)]
-    fn body_syntax_mapping(&self, func: Function) -> Arc<crate::expr::BodySyntaxMapping>;
-
     #[salsa::invoke(crate::generics::GenericParams::generic_params_query)]
     fn generic_params(&self, def: GenericDef) -> Arc<GenericParams>;
 
     #[salsa::invoke(crate::FnSignature::fn_signature_query)]
     fn fn_signature(&self, func: Function) -> Arc<FnSignature>;
 }
+
+#[salsa::query_group(HirDatabaseStorage)]
+pub trait HirDatabase: PersistentHirDatabase {
+    #[salsa::invoke(query_definitions::fn_scopes)]
+    fn fn_scopes(&self, func: Function) -> Arc<FnScopes>;
+
+    #[salsa::invoke(query_definitions::file_item)]
+    fn file_item(&self, source_item_id: SourceItemId) -> TreeArc<SyntaxNode>;
+
+    #[salsa::invoke(crate::ty::infer)]
+    fn infer(&self, func: Function) -> Arc<InferenceResult>;
+
+    #[salsa::invoke(crate::ty::type_for_def)]
+    fn type_for_def(&self, def: TypableDef) -> Ty;
+
+    #[salsa::invoke(crate::ty::type_for_field)]
+    fn type_for_field(&self, field: StructField) -> Ty;
+
+    #[salsa::invoke(crate::expr::body_hir)]
+    fn body_hir(&self, func: Function) -> Arc<crate::expr::Body>;
+
+    #[salsa::invoke(crate::expr::body_syntax_mapping)]
+    fn body_syntax_mapping(&self, func: Function) -> Arc<crate::expr::BodySyntaxMapping>;
+}