Merge #2608

2608: Support for nested traits r=matklad a=matklad



Co-authored-by: Aleksey Kladov <aleksey.kladov@gmail.com>

crates/ra_hir/src/code_model.rs

@@ -269,7 +269,7 @@ pub struct Struct {
 
 impl Struct {
     pub fn module(self, db: &impl DefDatabase) -> Module {
-        Module { id: self.id.lookup(db).container }
+        Module { id: self.id.lookup(db).container.module(db) }
     }
 
     pub fn krate(self, db: &impl DefDatabase) -> Option<Crate> {
@@ -290,7 +290,7 @@ impl Struct {
     }
 
     pub fn ty(self, db: &impl HirDatabase) -> Type {
-        Type::from_def(db, self.id.lookup(db).container.krate, self.id)
+        Type::from_def(db, self.id.lookup(db).container.module(db).krate, self.id)
     }
 
     fn variant_data(self, db: &impl DefDatabase) -> Arc<VariantData> {
@@ -309,11 +309,11 @@ impl Union {
     }
 
     pub fn module(self, db: &impl DefDatabase) -> Module {
-        Module { id: self.id.lookup(db).container }
+        Module { id: self.id.lookup(db).container.module(db) }
     }
 
     pub fn ty(self, db: &impl HirDatabase) -> Type {
-        Type::from_def(db, self.id.lookup(db).container.krate, self.id)
+        Type::from_def(db, self.id.lookup(db).container.module(db).krate, self.id)
     }
 
     pub fn fields(self, db: &impl HirDatabase) -> Vec<StructField> {
@@ -337,7 +337,7 @@ pub struct Enum {
 
 impl Enum {
     pub fn module(self, db: &impl DefDatabase) -> Module {
-        Module { id: self.id.lookup(db).container }
+        Module { id: self.id.lookup(db).container.module(db) }
     }
 
     pub fn krate(self, db: &impl DefDatabase) -> Option<Crate> {
@@ -357,7 +357,7 @@ impl Enum {
     }
 
     pub fn ty(self, db: &impl HirDatabase) -> Type {
-        Type::from_def(db, self.id.lookup(db).container.krate, self.id)
+        Type::from_def(db, self.id.lookup(db).container.module(db).krate, self.id)
     }
 }
 
@@ -553,7 +553,7 @@ pub struct Trait {
 
 impl Trait {
     pub fn module(self, db: &impl DefDatabase) -> Module {
-        Module { id: self.id.lookup(db).container }
+        Module { id: self.id.lookup(db).container.module(db) }
     }
 
     pub fn name(self, db: &impl DefDatabase) -> Name {

crates/ra_hir_def/src/body/lower.rs

@@ -25,7 +25,8 @@ use crate::{
     path::GenericArgs,
     path::Path,
     type_ref::{Mutability, TypeRef},
-    ContainerId, DefWithBodyId, FunctionLoc, Intern,
+    ConstLoc, ContainerId, DefWithBodyId, EnumLoc, FunctionLoc, Intern, ModuleDefId, StaticLoc,
+    StructLoc, TraitLoc, TypeAliasLoc, UnionLoc,
 };
 
 pub(super) fn lower(
@@ -492,14 +493,45 @@ where
     fn collect_block_items(&mut self, block: &ast::Block) {
         let container = ContainerId::DefWithBodyId(self.def);
         for item in block.items() {
-            match item {
+            let def: ModuleDefId = match item {
                 ast::ModuleItem::FnDef(def) => {
                     let ast_id = self.expander.ast_id(&def);
-                    self.body.defs.push(FunctionLoc { container, ast_id }.intern(self.db).into())
+                    FunctionLoc { container: container.into(), ast_id }.intern(self.db).into()
                 }
-                // FIXME: handle other items
+                ast::ModuleItem::TypeAliasDef(def) => {
-                _ => (),
+                    let ast_id = self.expander.ast_id(&def);
-            }
+                    TypeAliasLoc { container: container.into(), ast_id }.intern(self.db).into()
+                }
+                ast::ModuleItem::ConstDef(def) => {
+                    let ast_id = self.expander.ast_id(&def);
+                    ConstLoc { container: container.into(), ast_id }.intern(self.db).into()
+                }
+                ast::ModuleItem::StaticDef(def) => {
+                    let ast_id = self.expander.ast_id(&def);
+                    StaticLoc { container, ast_id }.intern(self.db).into()
+                }
+                ast::ModuleItem::StructDef(def) => {
+                    let ast_id = self.expander.ast_id(&def);
+                    StructLoc { container, ast_id }.intern(self.db).into()
+                }
+                ast::ModuleItem::EnumDef(def) => {
+                    let ast_id = self.expander.ast_id(&def);
+                    EnumLoc { container, ast_id }.intern(self.db).into()
+                }
+                ast::ModuleItem::UnionDef(def) => {
+                    let ast_id = self.expander.ast_id(&def);
+                    UnionLoc { container, ast_id }.intern(self.db).into()
+                }
+                ast::ModuleItem::TraitDef(def) => {
+                    let ast_id = self.expander.ast_id(&def);
+                    TraitLoc { container, ast_id }.intern(self.db).into()
+                }
+                ast::ModuleItem::ImplBlock(_)
+                | ast::ModuleItem::UseItem(_)
+                | ast::ModuleItem::ExternCrateItem(_)
+                | ast::ModuleItem::Module(_) => continue,
+            };
+            self.body.defs.push(def)
         }
     }
 

crates/ra_hir_def/src/data.rs

@@ -12,8 +12,8 @@ use crate::{
     db::DefDatabase,
     src::HasSource,
     type_ref::{Mutability, TypeRef},
-    AssocItemId, ConstId, ConstLoc, ContainerId, FunctionId, FunctionLoc, ImplId, Intern, Lookup,
+    AssocContainerId, AssocItemId, ConstId, ConstLoc, FunctionId, FunctionLoc, ImplId, Intern,
-    StaticId, TraitId, TypeAliasId, TypeAliasLoc,
+    Lookup, StaticId, TraitId, TypeAliasId, TypeAliasLoc,
 };
 
 #[derive(Debug, Clone, PartialEq, Eq)]
@@ -99,7 +99,7 @@ impl TraitData {
         let auto = src.value.is_auto();
         let ast_id_map = db.ast_id_map(src.file_id);
 
-        let container = ContainerId::TraitId(tr);
+        let container = AssocContainerId::TraitId(tr);
         let items = if let Some(item_list) = src.value.item_list() {
             item_list
                 .impl_items()
@@ -180,7 +180,7 @@ impl ImplData {
                 .map(|item_node| match item_node {
                     ast::ImplItem::FnDef(it) => {
                         let def = FunctionLoc {
-                            container: ContainerId::ImplId(id),
+                            container: AssocContainerId::ImplId(id),
                             ast_id: AstId::new(src.file_id, items.ast_id(&it)),
                         }
                         .intern(db);
@@ -188,7 +188,7 @@ impl ImplData {
                     }
                     ast::ImplItem::ConstDef(it) => {
                         let def = ConstLoc {
-                            container: ContainerId::ImplId(id),
+                            container: AssocContainerId::ImplId(id),
                             ast_id: AstId::new(src.file_id, items.ast_id(&it)),
                         }
                         .intern(db);
@@ -196,7 +196,7 @@ impl ImplData {
                     }
                     ast::ImplItem::TypeAliasDef(it) => {
                         let def = TypeAliasLoc {
-                            container: ContainerId::ImplId(id),
+                            container: AssocContainerId::ImplId(id),
                             ast_id: AstId::new(src.file_id, items.ast_id(&it)),
                         }
                         .intern(db);

crates/ra_hir_def/src/lib.rs

@@ -71,7 +71,7 @@ impl_intern_key!(FunctionId);
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct FunctionLoc {
-    pub container: ContainerId,
+    pub container: AssocContainerId,
     pub ast_id: AstId<ast::FnDef>,
 }
 
@@ -95,7 +95,7 @@ impl_intern_key!(StructId);
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct StructLoc {
-    pub container: ModuleId,
+    pub container: ContainerId,
     pub ast_id: AstId<ast::StructDef>,
 }
 
@@ -119,7 +119,7 @@ impl_intern_key!(UnionId);
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct UnionLoc {
-    pub container: ModuleId,
+    pub container: ContainerId,
     pub ast_id: AstId<ast::UnionDef>,
 }
 
@@ -143,7 +143,7 @@ impl_intern_key!(EnumId);
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct EnumLoc {
-    pub container: ModuleId,
+    pub container: ContainerId,
     pub ast_id: AstId<ast::EnumDef>,
 }
 
@@ -187,7 +187,7 @@ pub struct ConstId(salsa::InternId);
 impl_intern_key!(ConstId);
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct ConstLoc {
-    pub container: ContainerId,
+    pub container: AssocContainerId,
     pub ast_id: AstId<ast::ConstDef>,
 }
 
@@ -211,7 +211,7 @@ impl_intern_key!(StaticId);
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct StaticLoc {
-    pub container: ModuleId,
+    pub container: ContainerId,
     pub ast_id: AstId<ast::StaticDef>,
 }
 
@@ -235,7 +235,7 @@ impl_intern_key!(TraitId);
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct TraitLoc {
-    pub container: ModuleId,
+    pub container: ContainerId,
     pub ast_id: AstId<ast::TraitDef>,
 }
 
@@ -259,7 +259,7 @@ impl_intern_key!(TypeAliasId);
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct TypeAliasLoc {
-    pub container: ContainerId,
+    pub container: AssocContainerId,
     pub ast_id: AstId<ast::TypeAliasDef>,
 }
 
@@ -333,11 +333,17 @@ impl_arena_id!(LocalTypeParamId);
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub enum ContainerId {
     ModuleId(ModuleId),
-    ImplId(ImplId),
-    TraitId(TraitId),
     DefWithBodyId(DefWithBodyId),
 }
 
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+pub enum AssocContainerId {
+    ContainerId(ContainerId),
+    ImplId(ImplId),
+    TraitId(TraitId),
+}
+impl_froms!(AssocContainerId: ContainerId);
+
 /// A Data Type
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
 pub enum AdtId {
@@ -483,13 +489,21 @@ impl HasModule for ContainerId {
     fn module(&self, db: &impl db::DefDatabase) -> ModuleId {
         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 AssocContainerId {
+    fn module(&self, db: &impl db::DefDatabase) -> ModuleId {
+        match *self {
+            AssocContainerId::ContainerId(it) => it.module(db),
+            AssocContainerId::ImplId(it) => it.lookup(db).container,
+            AssocContainerId::TraitId(it) => it.lookup(db).container.module(db),
+        }
+    }
+}
+
 impl HasModule for FunctionLoc {
     fn module(&self, db: &impl db::DefDatabase) -> ModuleId {
         self.container.module(db)
@@ -515,6 +529,7 @@ impl HasModule for AdtId {
             AdtId::UnionId(it) => it.lookup(db).container,
             AdtId::EnumId(it) => it.lookup(db).container,
         }
+        .module(db)
     }
 }
 
@@ -533,17 +548,17 @@ impl HasModule for GenericDefId {
         match self {
             GenericDefId::FunctionId(it) => it.lookup(db).module(db),
             GenericDefId::AdtId(it) => it.module(db),
-            GenericDefId::TraitId(it) => it.lookup(db).container,
+            GenericDefId::TraitId(it) => it.lookup(db).container.module(db),
             GenericDefId::TypeAliasId(it) => it.lookup(db).module(db),
             GenericDefId::ImplId(it) => it.lookup(db).container,
-            GenericDefId::EnumVariantId(it) => it.parent.lookup(db).container,
+            GenericDefId::EnumVariantId(it) => it.parent.lookup(db).container.module(db),
             GenericDefId::ConstId(it) => it.lookup(db).module(db),
         }
     }
 }
 
 impl HasModule for StaticLoc {
-    fn module(&self, _db: &impl db::DefDatabase) -> ModuleId {
+    fn module(&self, db: &impl db::DefDatabase) -> ModuleId {
-        self.container
+        self.container.module(db)
     }
 }

crates/ra_hir_def/src/nameres/collector.rs

@@ -760,10 +760,11 @@ where
         self.collect_derives(attrs, def);
 
         let name = def.name.clone();
+        let container = ContainerId::ModuleId(module);
         let def: PerNs = match def.kind {
             raw::DefKind::Function(ast_id) => {
                 let def = FunctionLoc {
-                    container: ContainerId::ModuleId(module),
+                    container: container.into(),
                     ast_id: AstId::new(self.file_id, ast_id),
                 }
                 .intern(self.def_collector.db);
@@ -771,23 +772,23 @@ where
                 PerNs::values(def.into())
             }
             raw::DefKind::Struct(ast_id) => {
-                let def = StructLoc { container: module, ast_id: AstId::new(self.file_id, ast_id) }
+                let def = StructLoc { container, ast_id: AstId::new(self.file_id, ast_id) }
                     .intern(self.def_collector.db);
                 PerNs::both(def.into(), def.into())
             }
             raw::DefKind::Union(ast_id) => {
-                let def = UnionLoc { container: module, ast_id: AstId::new(self.file_id, ast_id) }
+                let def = UnionLoc { container, ast_id: AstId::new(self.file_id, ast_id) }
                     .intern(self.def_collector.db);
                 PerNs::both(def.into(), def.into())
             }
             raw::DefKind::Enum(ast_id) => {
-                let def = EnumLoc { container: module, ast_id: AstId::new(self.file_id, ast_id) }
+                let def = EnumLoc { container, ast_id: AstId::new(self.file_id, ast_id) }
                     .intern(self.def_collector.db);
                 PerNs::types(def.into())
             }
             raw::DefKind::Const(ast_id) => {
                 let def = ConstLoc {
-                    container: ContainerId::ModuleId(module),
+                    container: container.into(),
                     ast_id: AstId::new(self.file_id, ast_id),
                 }
                 .intern(self.def_collector.db);
@@ -795,20 +796,20 @@ where
                 PerNs::values(def.into())
             }
             raw::DefKind::Static(ast_id) => {
-                let def = StaticLoc { container: module, ast_id: AstId::new(self.file_id, ast_id) }
+                let def = StaticLoc { container, ast_id: AstId::new(self.file_id, ast_id) }
                     .intern(self.def_collector.db);
 
                 PerNs::values(def.into())
             }
             raw::DefKind::Trait(ast_id) => {
-                let def = TraitLoc { container: module, ast_id: AstId::new(self.file_id, ast_id) }
+                let def = TraitLoc { container, ast_id: AstId::new(self.file_id, ast_id) }
                     .intern(self.def_collector.db);
 
                 PerNs::types(def.into())
             }
             raw::DefKind::TypeAlias(ast_id) => {
                 let def = TypeAliasLoc {
-                    container: ContainerId::ModuleId(module),
+                    container: container.into(),
                     ast_id: AstId::new(self.file_id, ast_id),
                 }
                 .intern(self.def_collector.db);

crates/ra_hir_def/src/resolver.rs

@@ -17,9 +17,9 @@ use crate::{
     nameres::{BuiltinShadowMode, CrateDefMap},
     path::{ModPath, PathKind},
     per_ns::PerNs,
-    AdtId, ConstId, ContainerId, DefWithBodyId, EnumId, EnumVariantId, FunctionId, GenericDefId,
+    AdtId, AssocContainerId, ConstId, ContainerId, DefWithBodyId, EnumId, EnumVariantId,
-    HasModule, ImplId, LocalModuleId, Lookup, ModuleDefId, ModuleId, StaticId, StructId, TraitId,
+    FunctionId, GenericDefId, HasModule, ImplId, LocalModuleId, Lookup, ModuleDefId, ModuleId,
-    TypeAliasId, TypeParamId, VariantId,
+    StaticId, StructId, TraitId, TypeAliasId, TypeParamId, VariantId,
 };
 
 #[derive(Debug, Clone, Default)]
@@ -583,14 +583,22 @@ impl HasResolver for DefWithBodyId {
 impl HasResolver for ContainerId {
     fn resolver(self, db: &impl DefDatabase) -> Resolver {
         match self {
-            ContainerId::TraitId(it) => it.resolver(db),
-            ContainerId::ImplId(it) => it.resolver(db),
             ContainerId::ModuleId(it) => it.resolver(db),
             ContainerId::DefWithBodyId(it) => it.resolver(db),
         }
     }
 }
 
+impl HasResolver for AssocContainerId {
+    fn resolver(self, db: &impl DefDatabase) -> Resolver {
+        match self {
+            AssocContainerId::ContainerId(it) => it.resolver(db),
+            AssocContainerId::TraitId(it) => it.resolver(db),
+            AssocContainerId::ImplId(it) => it.resolver(db),
+        }
+    }
+}
+
 impl HasResolver for GenericDefId {
     fn resolver(self, db: &impl DefDatabase) -> Resolver {
         match self {

crates/ra_hir_ty/src/infer/expr.rs

@@ -8,7 +8,7 @@ use hir_def::{
     expr::{Array, BinaryOp, Expr, ExprId, Literal, Statement, UnaryOp},
     path::{GenericArg, GenericArgs},
     resolver::resolver_for_expr,
-    AdtId, ContainerId, Lookup, StructFieldId,
+    AdtId, AssocContainerId, Lookup, StructFieldId,
 };
 use hir_expand::name::{name, Name};
 use ra_syntax::ast::RangeOp;
@@ -672,7 +672,7 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
                 // add obligation for trait implementation, if this is a trait method
                 match def {
                     CallableDef::FunctionId(f) => {
-                        if let ContainerId::TraitId(trait_) = f.lookup(self.db).container {
+                        if let AssocContainerId::TraitId(trait_) = f.lookup(self.db).container {
                             // construct a TraitDef
                             let substs =
                                 a_ty.parameters.prefix(generics(self.db, trait_.into()).len());

crates/ra_hir_ty/src/infer/path.rs

@@ -5,7 +5,7 @@ use std::iter;
 use hir_def::{
     path::{Path, PathSegment},
     resolver::{ResolveValueResult, Resolver, TypeNs, ValueNs},
-    AssocItemId, ContainerId, Lookup,
+    AssocContainerId, AssocItemId, Lookup,
 };
 use hir_expand::name::Name;
 
@@ -209,7 +209,7 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
                     AssocItemId::TypeAliasId(_) => unreachable!(),
                 };
                 let substs = match container {
-                    ContainerId::ImplId(impl_id) => {
+                    AssocContainerId::ImplId(impl_id) => {
                         let impl_substs = Substs::build_for_def(self.db, impl_id)
                             .fill(iter::repeat_with(|| self.table.new_type_var()))
                             .build();
@@ -221,7 +221,7 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
                         self.unify(&impl_self_ty, &ty);
                         Some(substs)
                     }
-                    ContainerId::TraitId(trait_) => {
+                    AssocContainerId::TraitId(trait_) => {
                         // we're picking this method
                         let trait_substs = Substs::build_for_def(self.db, trait_)
                             .push(ty.clone())
@@ -237,7 +237,7 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
                         }));
                         Some(substs)
                     }
-                    ContainerId::ModuleId(_) | ContainerId::DefWithBodyId(_) => None,
+                    AssocContainerId::ContainerId(_) => None,
                 };
 
                 self.write_assoc_resolution(id, item.into());

crates/ra_hir_ty/src/lib.rs

@@ -44,8 +44,8 @@ use std::sync::Arc;
 use std::{fmt, iter, mem};
 
 use hir_def::{
-    expr::ExprId, type_ref::Mutability, AdtId, ContainerId, DefWithBodyId, GenericDefId, HasModule,
+    expr::ExprId, type_ref::Mutability, AdtId, AssocContainerId, DefWithBodyId, GenericDefId,
-    Lookup, TraitId, TypeAliasId,
+    HasModule, Lookup, TraitId, TypeAliasId,
 };
 use hir_expand::name::Name;
 use ra_db::{impl_intern_key, salsa, CrateId};
@@ -251,7 +251,7 @@ impl ProjectionTy {
 
     fn trait_(&self, db: &impl HirDatabase) -> TraitId {
         match self.associated_ty.lookup(db).container {
-            ContainerId::TraitId(it) => it,
+            AssocContainerId::TraitId(it) => it,
             _ => panic!("projection ty without parent trait"),
         }
     }
@@ -943,7 +943,7 @@ impl HirDisplay for ApplicationTy {
             }
             TypeCtor::AssociatedType(type_alias) => {
                 let trait_ = match type_alias.lookup(f.db).container {
-                    ContainerId::TraitId(it) => it,
+                    AssocContainerId::TraitId(it) => it,
                     _ => panic!("not an associated type"),
                 };
                 let trait_name = f.db.trait_data(trait_).name.clone();

crates/ra_hir_ty/src/lower.rs

@@ -697,8 +697,8 @@ impl CallableDef {
     pub fn krate(self, db: &impl HirDatabase) -> CrateId {
         match self {
             CallableDef::FunctionId(f) => f.lookup(db).module(db),
-            CallableDef::StructId(s) => s.lookup(db).container,
+            CallableDef::StructId(s) => s.lookup(db).container.module(db),
-            CallableDef::EnumVariantId(e) => e.parent.lookup(db).container,
+            CallableDef::EnumVariantId(e) => e.parent.lookup(db).container.module(db),
         }
         .krate
     }

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, ContainerId,
+    lang_item::LangItemTarget, resolver::Resolver, type_ref::Mutability, AssocContainerId,
-    FunctionId, HasModule, ImplId, Lookup, TraitId,
+    AssocItemId, 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 {
-        ContainerId::TraitId(_) => Substs::build_for_def(db, function_id)
+        AssocContainerId::TraitId(_) => Substs::build_for_def(db, function_id)
             .push(self_ty.value.clone())
             .fill_with_unknown()
             .build(),
-        ContainerId::ImplId(impl_id) => inherent_impl_substs(db, impl_id, &self_ty)?,
+        AssocContainerId::ImplId(impl_id) => inherent_impl_substs(db, impl_id, &self_ty)?,
-        ContainerId::ModuleId(_) | ContainerId::DefWithBodyId(_) => unreachable!(),
+        AssocContainerId::ContainerId(_) => unreachable!(),
     };
     let sig = db.callable_item_signature(function_id.into());
     Some(sig.params()[0].clone().subst(&substs))

crates/ra_hir_ty/src/traits/chalk.rs

@@ -9,7 +9,9 @@ use chalk_ir::{
 };
 use chalk_rust_ir::{AssociatedTyDatum, AssociatedTyValue, ImplDatum, StructDatum, TraitDatum};
 
-use hir_def::{AssocItemId, ContainerId, GenericDefId, ImplId, Lookup, TraitId, TypeAliasId};
+use hir_def::{
+    AssocContainerId, AssocItemId, GenericDefId, HasModule, ImplId, Lookup, TraitId, TypeAliasId,
+};
 use ra_db::{
     salsa::{InternId, InternKey},
     CrateId,
@@ -542,7 +544,7 @@ pub(crate) fn associated_ty_data_query(
     debug!("associated_ty_data {:?}", id);
     let type_alias: TypeAliasId = from_chalk(db, id);
     let trait_ = match type_alias.lookup(db).container {
-        ContainerId::TraitId(t) => t,
+        AssocContainerId::TraitId(t) => t,
         _ => panic!("associated type not in trait"),
     };
     let generic_params = generics(db, type_alias.into());
@@ -591,7 +593,7 @@ pub(crate) fn trait_datum_query(
     let bound_vars = Substs::bound_vars(&generic_params);
     let flags = chalk_rust_ir::TraitFlags {
         auto: trait_data.auto,
-        upstream: trait_.lookup(db).container.krate != krate,
+        upstream: trait_.lookup(db).container.module(db).krate != krate,
         non_enumerable: true,
         coinductive: false, // only relevant for Chalk testing
         // FIXME set these flags correctly
@@ -755,7 +757,7 @@ fn type_alias_associated_ty_value(
 ) -> Arc<AssociatedTyValue<ChalkIr>> {
     let type_alias_data = db.type_alias_data(type_alias);
     let impl_id = match type_alias.lookup(db).container {
-        ContainerId::ImplId(it) => it,
+        AssocContainerId::ImplId(it) => it,
         _ => panic!("assoc ty value should be in impl"),
     };
 

crates/ra_hir_ty/src/utils.rs

@@ -9,7 +9,7 @@ use hir_def::{
     path::Path,
     resolver::{HasResolver, TypeNs},
     type_ref::TypeRef,
-    ContainerId, GenericDefId, Lookup, TraitId, TypeAliasId, TypeParamId, VariantId,
+    AssocContainerId, GenericDefId, Lookup, TraitId, TypeAliasId, TypeParamId, VariantId,
 };
 use hir_expand::name::{name, Name};
 
@@ -155,8 +155,8 @@ fn parent_generic_def(db: &impl DefDatabase, def: GenericDefId) -> Option<Generi
     };
 
     match container {
-        ContainerId::ImplId(it) => Some(it.into()),
+        AssocContainerId::ImplId(it) => Some(it.into()),
-        ContainerId::TraitId(it) => Some(it.into()),
+        AssocContainerId::TraitId(it) => Some(it.into()),
-        ContainerId::ModuleId(_) | ContainerId::DefWithBodyId(_) => None,
+        AssocContainerId::ContainerId(_) => None,
     }
 }