Add body as a possible container for items

crates/ra_hir_def/src/lib.rs

@@ -335,6 +335,7 @@ pub enum ContainerId {
     ModuleId(ModuleId),
     ImplId(ImplId),
     TraitId(TraitId),
+    DefWithBodyId(DefWithBodyId),
 }
 
 /// A Data Type
@@ -478,33 +479,32 @@ pub trait HasModule {
     fn module(&self, db: &impl db::DefDatabase) -> ModuleId;
 }
 
-impl HasModule for FunctionLoc {
+impl HasModule for ContainerId {
     fn module(&self, db: &impl db::DefDatabase) -> ModuleId {
-        match self.container {
+        match *self {
             ContainerId::ModuleId(it) => it,
             ContainerId::ImplId(it) => it.lookup(db).container,
             ContainerId::TraitId(it) => it.lookup(db).container,
+            ContainerId::DefWithBodyId(it) => it.module(db),
         }
     }
 }
 
+impl HasModule for FunctionLoc {
+    fn module(&self, db: &impl db::DefDatabase) -> ModuleId {
+        self.container.module(db)
+    }
+}
+
 impl HasModule for TypeAliasLoc {
     fn module(&self, db: &impl db::DefDatabase) -> ModuleId {
-        match self.container {
+        self.container.module(db)
-            ContainerId::ModuleId(it) => it,
-            ContainerId::ImplId(it) => it.lookup(db).container,
-            ContainerId::TraitId(it) => it.lookup(db).container,
-        }
     }
 }
 
 impl HasModule for ConstLoc {
     fn module(&self, db: &impl db::DefDatabase) -> ModuleId {
-        match self.container {
+        self.container.module(db)
-            ContainerId::ModuleId(it) => it,
-            ContainerId::ImplId(it) => it.lookup(db).container,
-            ContainerId::TraitId(it) => it.lookup(db).container,
-        }
     }
 }
 

crates/ra_hir_def/src/resolver.rs

@@ -586,6 +586,7 @@ impl HasResolver for ContainerId {
             ContainerId::TraitId(it) => it.resolver(db),
             ContainerId::ImplId(it) => it.resolver(db),
             ContainerId::ModuleId(it) => it.resolver(db),
+            ContainerId::DefWithBodyId(it) => it.resolver(db),
         }
     }
 }

crates/ra_hir_ty/src/infer/path.rs

@@ -237,7 +237,7 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
                         }));
                         Some(substs)
                     }
-                    ContainerId::ModuleId(_) => None,
+                    ContainerId::ModuleId(_) | ContainerId::DefWithBodyId(_) => None,
                 };
 
                 self.write_assoc_resolution(id, item.into());

crates/ra_hir_ty/src/method_resolution.rs

@@ -6,8 +6,8 @@ use std::sync::Arc;
 
 use arrayvec::ArrayVec;
 use hir_def::{
-    lang_item::LangItemTarget, resolver::Resolver, type_ref::Mutability, AssocItemId, FunctionId,
+    lang_item::LangItemTarget, resolver::Resolver, type_ref::Mutability, AssocItemId, ContainerId,
-    HasModule, ImplId, Lookup, TraitId,
+    FunctionId, HasModule, ImplId, Lookup, TraitId,
 };
 use hir_expand::name::Name;
 use ra_db::CrateId;
@@ -451,12 +451,12 @@ fn transform_receiver_ty(
     self_ty: &Canonical<Ty>,
 ) -> Option<Ty> {
     let substs = match function_id.lookup(db).container {
-        hir_def::ContainerId::TraitId(_) => Substs::build_for_def(db, function_id)
+        ContainerId::TraitId(_) => Substs::build_for_def(db, function_id)
             .push(self_ty.value.clone())
             .fill_with_unknown()
             .build(),
-        hir_def::ContainerId::ImplId(impl_id) => inherent_impl_substs(db, impl_id, &self_ty)?,
+        ContainerId::ImplId(impl_id) => inherent_impl_substs(db, impl_id, &self_ty)?,
-        hir_def::ContainerId::ModuleId(_) => unreachable!(),
+        ContainerId::ModuleId(_) | ContainerId::DefWithBodyId(_) => unreachable!(),
     };
     let sig = db.callable_item_signature(function_id.into());
     Some(sig.params()[0].clone().subst(&substs))

crates/ra_hir_ty/src/utils.rs

@@ -157,6 +157,6 @@ fn parent_generic_def(db: &impl DefDatabase, def: GenericDefId) -> Option<Generi
     match container {
         ContainerId::ImplId(it) => Some(it.into()),
         ContainerId::TraitId(it) => Some(it.into()),
-        ContainerId::ModuleId(_) => None,
+        ContainerId::ModuleId(_) | ContainerId::DefWithBodyId(_) => None,
     }
 }