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-rw-r--r--src/tools/rust-analyzer/crates/hir-def/src/db.rs38
-rw-r--r--src/tools/rust-analyzer/crates/hir-def/src/lang_item.rs2
-rw-r--r--src/tools/rust-analyzer/crates/hir-def/src/lib.rs29
-rw-r--r--src/tools/rust-analyzer/crates/hir-def/src/nameres.rs6
-rw-r--r--src/tools/rust-analyzer/crates/hir-def/src/nameres/assoc.rs16
-rw-r--r--src/tools/rust-analyzer/crates/hir-def/src/nameres/collector.rs6
-rw-r--r--src/tools/rust-analyzer/crates/hir-def/src/nameres/tests/incremental.rs1
-rw-r--r--src/tools/rust-analyzer/crates/hir-def/src/signatures.rs2
-rw-r--r--src/tools/rust-analyzer/crates/hir-def/src/visibility.rs87
-rw-r--r--src/tools/rust-analyzer/crates/hir-ty/src/chalk_db.rs6
-rw-r--r--src/tools/rust-analyzer/crates/hir-ty/src/method_resolution.rs12
-rw-r--r--src/tools/rust-analyzer/crates/hir-ty/src/mir/eval/shim.rs6
-rw-r--r--src/tools/rust-analyzer/crates/hir-ty/src/tests.rs2
-rw-r--r--src/tools/rust-analyzer/crates/hir-ty/src/tests/incremental.rs4
-rw-r--r--src/tools/rust-analyzer/crates/hir-ty/src/utils.rs2
-rw-r--r--src/tools/rust-analyzer/crates/hir/src/lib.rs34
-rw-r--r--src/tools/rust-analyzer/crates/hir/src/semantics/child_by_source.rs2
-rw-r--r--src/tools/rust-analyzer/crates/hir/src/symbols.rs2
18 files changed, 120 insertions, 137 deletions
diff --git a/src/tools/rust-analyzer/crates/hir-def/src/db.rs b/src/tools/rust-analyzer/crates/hir-def/src/db.rs
index 2fc79c3809f..c618e4bdce7 100644
--- a/src/tools/rust-analyzer/crates/hir-def/src/db.rs
+++ b/src/tools/rust-analyzer/crates/hir-def/src/db.rs
@@ -5,16 +5,16 @@ use hir_expand::{
     EditionedFileId, HirFileId, InFile, Lookup, MacroCallId, MacroDefId, MacroDefKind,
     db::ExpandDatabase,
 };
-use intern::{Symbol, sym};
+use intern::sym;
 use la_arena::ArenaMap;
 use syntax::{AstPtr, ast};
 use triomphe::Arc;
 
 use crate::{
-    AttrDefId, ConstId, ConstLoc, DefWithBodyId, EnumId, EnumLoc, EnumVariantId, EnumVariantLoc,
-    ExternBlockId, ExternBlockLoc, ExternCrateId, ExternCrateLoc, FunctionId, FunctionLoc,
-    GenericDefId, ImplId, ImplLoc, LocalFieldId, Macro2Id, Macro2Loc, MacroExpander, MacroId,
-    MacroRulesId, MacroRulesLoc, MacroRulesLocFlags, ProcMacroId, ProcMacroLoc, StaticId,
+    AssocItemId, AttrDefId, ConstId, ConstLoc, DefWithBodyId, EnumId, EnumLoc, EnumVariantId,
+    EnumVariantLoc, ExternBlockId, ExternBlockLoc, ExternCrateId, ExternCrateLoc, FunctionId,
+    FunctionLoc, GenericDefId, ImplId, ImplLoc, LocalFieldId, Macro2Id, Macro2Loc, MacroExpander,
+    MacroId, MacroRulesId, MacroRulesLoc, MacroRulesLocFlags, ProcMacroId, ProcMacroLoc, StaticId,
     StaticLoc, StructId, StructLoc, TraitAliasId, TraitAliasLoc, TraitId, TraitLoc, TypeAliasId,
     TypeAliasLoc, UnionId, UnionLoc, UseId, UseLoc, VariantId,
     attr::{Attrs, AttrsWithOwner},
@@ -25,11 +25,7 @@ use crate::{
     import_map::ImportMap,
     item_tree::{ItemTree, file_item_tree_query},
     lang_item::{self, LangItem},
-    nameres::{
-        assoc::{ImplItems, TraitItems},
-        crate_def_map,
-        diagnostics::DefDiagnostics,
-    },
+    nameres::{assoc::TraitItems, crate_def_map, diagnostics::DefDiagnostics},
     signatures::{
         ConstSignature, EnumSignature, FunctionSignature, ImplSignature, StaticSignature,
         StructSignature, TraitAliasSignature, TraitSignature, TypeAliasSignature, UnionSignature,
@@ -121,13 +117,6 @@ pub trait DefDatabase: InternDatabase + ExpandDatabase + SourceDatabase {
     ) -> (Arc<VariantFields>, Arc<ExpressionStoreSourceMap>);
 
     #[salsa::transparent]
-    #[salsa::invoke(ImplItems::impl_items_query)]
-    fn impl_items(&self, e: ImplId) -> Arc<ImplItems>;
-
-    #[salsa::invoke(ImplItems::impl_items_with_diagnostics_query)]
-    fn impl_items_with_diagnostics(&self, e: ImplId) -> (Arc<ImplItems>, DefDiagnostics);
-
-    #[salsa::transparent]
     #[salsa::invoke(TraitItems::trait_items_query)]
     fn trait_items(&self, e: TraitId) -> Arc<TraitItems>;
 
@@ -249,9 +238,6 @@ pub trait DefDatabase: InternDatabase + ExpandDatabase + SourceDatabase {
         e: TypeAliasId,
     ) -> (Arc<TypeAliasSignature>, Arc<ExpressionStoreSourceMap>);
 
-    #[salsa::invoke(crate::signatures::extern_block_abi_query)]
-    fn extern_block_abi(&self, extern_block: ExternBlockId) -> Option<Symbol>;
-
     // endregion:data
 
     #[salsa::invoke(Body::body_with_source_map_query)]
@@ -312,16 +298,8 @@ pub trait DefDatabase: InternDatabase + ExpandDatabase + SourceDatabase {
     #[salsa::invoke(visibility::field_visibilities_query)]
     fn field_visibilities(&self, var: VariantId) -> Arc<ArenaMap<LocalFieldId, Visibility>>;
 
-    // FIXME: unify function_visibility and const_visibility?
-
-    #[salsa::invoke(visibility::function_visibility_query)]
-    fn function_visibility(&self, def: FunctionId) -> Visibility;
-
-    #[salsa::invoke(visibility::const_visibility_query)]
-    fn const_visibility(&self, def: ConstId) -> Visibility;
-
-    #[salsa::invoke(visibility::type_alias_visibility_query)]
-    fn type_alias_visibility(&self, def: TypeAliasId) -> Visibility;
+    #[salsa::invoke(visibility::assoc_visibility_query)]
+    fn assoc_visibility(&self, def: AssocItemId) -> Visibility;
 
     // endregion:visibilities
 
diff --git a/src/tools/rust-analyzer/crates/hir-def/src/lang_item.rs b/src/tools/rust-analyzer/crates/hir-def/src/lang_item.rs
index c0e30ac7956..faff7d036a2 100644
--- a/src/tools/rust-analyzer/crates/hir-def/src/lang_item.rs
+++ b/src/tools/rust-analyzer/crates/hir-def/src/lang_item.rs
@@ -96,7 +96,7 @@ pub fn crate_lang_items(db: &dyn DefDatabase, krate: Crate) -> Option<Box<LangIt
     for (_, module_data) in crate_def_map.modules() {
         for impl_def in module_data.scope.impls() {
             lang_items.collect_lang_item(db, impl_def, LangItemTarget::ImplDef);
-            for &(_, assoc) in db.impl_items(impl_def).items.iter() {
+            for &(_, assoc) in impl_def.impl_items(db).items.iter() {
                 match assoc {
                     AssocItemId::FunctionId(f) => {
                         lang_items.collect_lang_item(db, f, LangItemTarget::Function)
diff --git a/src/tools/rust-analyzer/crates/hir-def/src/lib.rs b/src/tools/rust-analyzer/crates/hir-def/src/lib.rs
index be5bb57ade6..0cd7e894327 100644
--- a/src/tools/rust-analyzer/crates/hir-def/src/lib.rs
+++ b/src/tools/rust-analyzer/crates/hir-def/src/lib.rs
@@ -49,7 +49,7 @@ pub mod find_path;
 pub mod import_map;
 pub mod visibility;
 
-use intern::{Interned, sym};
+use intern::{Interned, Symbol, sym};
 pub use rustc_abi as layout;
 use thin_vec::ThinVec;
 use triomphe::Arc;
@@ -88,7 +88,10 @@ use crate::{
     builtin_type::BuiltinType,
     db::DefDatabase,
     hir::generics::{LocalLifetimeParamId, LocalTypeOrConstParamId},
-    nameres::{LocalDefMap, block_def_map, crate_def_map, crate_local_def_map},
+    nameres::{
+        LocalDefMap, assoc::ImplItems, block_def_map, crate_def_map, crate_local_def_map,
+        diagnostics::DefDiagnostics,
+    },
     signatures::{EnumVariants, InactiveEnumVariantCode, VariantFields},
 };
 
@@ -287,6 +290,18 @@ impl_intern!(TypeAliasId, TypeAliasLoc, intern_type_alias, lookup_intern_type_al
 type ImplLoc = ItemLoc<ast::Impl>;
 impl_intern!(ImplId, ImplLoc, intern_impl, lookup_intern_impl);
 
+impl ImplId {
+    #[inline]
+    pub fn impl_items(self, db: &dyn DefDatabase) -> &ImplItems {
+        &self.impl_items_with_diagnostics(db).0
+    }
+
+    #[inline]
+    pub fn impl_items_with_diagnostics(self, db: &dyn DefDatabase) -> &(ImplItems, DefDiagnostics) {
+        ImplItems::of(db, self)
+    }
+}
+
 type UseLoc = ItemLoc<ast::Use>;
 impl_intern!(UseId, UseLoc, intern_use, lookup_intern_use);
 
@@ -296,6 +311,14 @@ impl_intern!(ExternCrateId, ExternCrateLoc, intern_extern_crate, lookup_intern_e
 type ExternBlockLoc = ItemLoc<ast::ExternBlock>;
 impl_intern!(ExternBlockId, ExternBlockLoc, intern_extern_block, lookup_intern_extern_block);
 
+#[salsa::tracked]
+impl ExternBlockId {
+    #[salsa::tracked]
+    pub fn abi(self, db: &dyn DefDatabase) -> Option<Symbol> {
+        signatures::extern_block_abi(db, self)
+    }
+}
+
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub struct EnumVariantLoc {
     pub id: AstId<ast::Variant>,
@@ -770,7 +793,7 @@ impl DefWithBodyId {
     }
 }
 
-#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, salsa_macros::Supertype)]
 pub enum AssocItemId {
     FunctionId(FunctionId),
     ConstId(ConstId),
diff --git a/src/tools/rust-analyzer/crates/hir-def/src/nameres.rs b/src/tools/rust-analyzer/crates/hir-def/src/nameres.rs
index 610bb6b00b0..0837308d5b6 100644
--- a/src/tools/rust-analyzer/crates/hir-def/src/nameres.rs
+++ b/src/tools/rust-analyzer/crates/hir-def/src/nameres.rs
@@ -62,8 +62,8 @@ use std::ops::Deref;
 
 use base_db::Crate;
 use hir_expand::{
-    EditionedFileId, ErasedAstId, HirFileId, InFile, MacroCallId, MacroDefId, mod_path::ModPath,
-    name::Name, proc_macro::ProcMacroKind,
+    EditionedFileId, ErasedAstId, HirFileId, InFile, MacroCallId, mod_path::ModPath, name::Name,
+    proc_macro::ProcMacroKind,
 };
 use intern::Symbol;
 use itertools::Itertools;
@@ -189,7 +189,7 @@ pub struct DefMap {
 #[derive(Clone, Debug, PartialEq, Eq)]
 struct DefMapCrateData {
     /// Side table for resolving derive helpers.
-    exported_derives: FxHashMap<MacroDefId, Box<[Name]>>,
+    exported_derives: FxHashMap<MacroId, Box<[Name]>>,
     fn_proc_macro_mapping: FxHashMap<FunctionId, ProcMacroId>,
 
     /// Custom attributes registered with `#![register_attr]`.
diff --git a/src/tools/rust-analyzer/crates/hir-def/src/nameres/assoc.rs b/src/tools/rust-analyzer/crates/hir-def/src/nameres/assoc.rs
index cf123d14f50..7aaa918d1c9 100644
--- a/src/tools/rust-analyzer/crates/hir-def/src/nameres/assoc.rs
+++ b/src/tools/rust-analyzer/crates/hir-def/src/nameres/assoc.rs
@@ -100,16 +100,10 @@ pub struct ImplItems {
     pub macro_calls: ThinVec<(AstId<ast::Item>, MacroCallId)>,
 }
 
+#[salsa::tracked]
 impl ImplItems {
-    #[inline]
-    pub(crate) fn impl_items_query(db: &dyn DefDatabase, id: ImplId) -> Arc<ImplItems> {
-        db.impl_items_with_diagnostics(id).0
-    }
-
-    pub(crate) fn impl_items_with_diagnostics_query(
-        db: &dyn DefDatabase,
-        id: ImplId,
-    ) -> (Arc<ImplItems>, DefDiagnostics) {
+    #[salsa::tracked(returns(ref))]
+    pub fn of(db: &dyn DefDatabase, id: ImplId) -> (ImplItems, DefDiagnostics) {
         let _p = tracing::info_span!("impl_items_with_diagnostics_query").entered();
         let ItemLoc { container: module_id, id: ast_id } = id.lookup(db);
 
@@ -118,9 +112,11 @@ impl ImplItems {
         let source = ast_id.with_value(collector.ast_id_map.get(ast_id.value)).to_node(db);
         let (items, macro_calls, diagnostics) = collector.collect(source.assoc_item_list());
 
-        (Arc::new(ImplItems { items, macro_calls }), DefDiagnostics::new(diagnostics))
+        (ImplItems { items, macro_calls }, DefDiagnostics::new(diagnostics))
     }
+}
 
+impl ImplItems {
     pub fn macro_calls(&self) -> impl Iterator<Item = (AstId<ast::Item>, MacroCallId)> + '_ {
         self.macro_calls.iter().copied()
     }
diff --git a/src/tools/rust-analyzer/crates/hir-def/src/nameres/collector.rs b/src/tools/rust-analyzer/crates/hir-def/src/nameres/collector.rs
index 3a2faae366f..508fcc2fa51 100644
--- a/src/tools/rust-analyzer/crates/hir-def/src/nameres/collector.rs
+++ b/src/tools/rust-analyzer/crates/hir-def/src/nameres/collector.rs
@@ -609,7 +609,7 @@ impl<'db> DefCollector<'db> {
         self.define_proc_macro(def.name.clone(), proc_macro_id);
         let crate_data = Arc::get_mut(&mut self.def_map.data).unwrap();
         if let ProcMacroKind::Derive { helpers } = def.kind {
-            crate_data.exported_derives.insert(self.db.macro_def(proc_macro_id.into()), helpers);
+            crate_data.exported_derives.insert(proc_macro_id.into(), helpers);
         }
         crate_data.fn_proc_macro_mapping.insert(fn_id, proc_macro_id);
     }
@@ -1345,7 +1345,7 @@ impl<'db> DefCollector<'db> {
                         // Record its helper attributes.
                         if def_id.krate != self.def_map.krate {
                             let def_map = crate_def_map(self.db, def_id.krate);
-                            if let Some(helpers) = def_map.data.exported_derives.get(&def_id) {
+                            if let Some(helpers) = def_map.data.exported_derives.get(&macro_id) {
                                 self.def_map
                                     .derive_helpers_in_scope
                                     .entry(ast_id.ast_id.map(|it| it.upcast()))
@@ -2425,7 +2425,7 @@ impl ModCollector<'_, '_> {
                 Arc::get_mut(&mut self.def_collector.def_map.data)
                     .unwrap()
                     .exported_derives
-                    .insert(self.def_collector.db.macro_def(macro_id.into()), helpers);
+                    .insert(macro_id.into(), helpers);
             }
         }
     }
diff --git a/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests/incremental.rs b/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests/incremental.rs
index 77e706caed7..ba75dca3d3d 100644
--- a/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests/incremental.rs
+++ b/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests/incremental.rs
@@ -431,7 +431,6 @@ pub struct S {}
                 "parse_shim",
                 "real_span_map_shim",
                 "macro_def_shim",
-                "macro_def_shim",
                 "file_item_tree_query",
                 "ast_id_map_shim",
                 "parse_macro_expansion_shim",
diff --git a/src/tools/rust-analyzer/crates/hir-def/src/signatures.rs b/src/tools/rust-analyzer/crates/hir-def/src/signatures.rs
index c8080790117..377a545ebf4 100644
--- a/src/tools/rust-analyzer/crates/hir-def/src/signatures.rs
+++ b/src/tools/rust-analyzer/crates/hir-def/src/signatures.rs
@@ -965,7 +965,7 @@ impl EnumVariants {
     }
 }
 
-pub(crate) fn extern_block_abi_query(
+pub(crate) fn extern_block_abi(
     db: &dyn DefDatabase,
     extern_block: ExternBlockId,
 ) -> Option<Symbol> {
diff --git a/src/tools/rust-analyzer/crates/hir-def/src/visibility.rs b/src/tools/rust-analyzer/crates/hir-def/src/visibility.rs
index 14d67ea804f..aea2ac550e3 100644
--- a/src/tools/rust-analyzer/crates/hir-def/src/visibility.rs
+++ b/src/tools/rust-analyzer/crates/hir-def/src/visibility.rs
@@ -8,12 +8,8 @@ use syntax::ast::{self, HasVisibility};
 use triomphe::Arc;
 
 use crate::{
-    ConstId, FunctionId, HasModule, ItemContainerId, LocalFieldId, LocalModuleId, ModuleId,
-    TraitId, TypeAliasId, VariantId,
-    db::DefDatabase,
-    nameres::DefMap,
-    resolver::{HasResolver, Resolver},
-    src::HasSource,
+    AssocItemId, HasModule, ItemContainerId, LocalFieldId, LocalModuleId, ModuleId, TraitId,
+    VariantId, db::DefDatabase, nameres::DefMap, resolver::HasResolver, src::HasSource,
 };
 
 pub use crate::item_tree::{RawVisibility, VisibilityExplicitness};
@@ -225,63 +221,56 @@ pub(crate) fn field_visibilities_query(
 
 pub fn visibility_from_ast(
     db: &dyn DefDatabase,
-    resolver: &Resolver<'_>,
+    has_resolver: impl HasResolver,
     ast_vis: InFile<Option<ast::Visibility>>,
 ) -> Visibility {
     let mut span_map = None;
     let raw_vis = crate::item_tree::visibility_from_ast(db, ast_vis.value, &mut |range| {
         span_map.get_or_insert_with(|| db.span_map(ast_vis.file_id)).span_for_range(range).ctx
     });
-    Visibility::resolve(db, resolver, &raw_vis)
-}
-
-fn trait_item_visibility(
-    db: &dyn DefDatabase,
-    resolver: &Resolver<'_>,
-    container: ItemContainerId,
-) -> Option<Visibility> {
-    match container {
-        ItemContainerId::TraitId(trait_) => Some(trait_visibility(db, resolver, trait_)),
-        _ => None,
+    if raw_vis == RawVisibility::Public {
+        return Visibility::Public;
     }
-}
 
-/// Resolve visibility of a function.
-pub(crate) fn function_visibility_query(db: &dyn DefDatabase, def: FunctionId) -> Visibility {
-    let loc = def.lookup(db);
-    let resolver = def.resolver(db);
-    trait_item_visibility(db, &resolver, loc.container).unwrap_or_else(|| {
-        let source = loc.source(db);
-        visibility_from_ast(db, &resolver, source.map(|src| src.visibility()))
-    })
+    Visibility::resolve(db, &has_resolver.resolver(db), &raw_vis)
 }
 
-/// Resolve visibility of a const.
-pub(crate) fn const_visibility_query(db: &dyn DefDatabase, def: ConstId) -> Visibility {
-    let loc = def.lookup(db);
-    let resolver = def.resolver(db);
-    trait_item_visibility(db, &resolver, loc.container).unwrap_or_else(|| {
-        let source = loc.source(db);
-        visibility_from_ast(db, &resolver, source.map(|src| src.visibility()))
-    })
+/// Resolve visibility of a type alias.
+pub(crate) fn assoc_visibility_query(db: &dyn DefDatabase, def: AssocItemId) -> Visibility {
+    match def {
+        AssocItemId::FunctionId(function_id) => {
+            let loc = function_id.lookup(db);
+            trait_item_visibility(db, loc.container).unwrap_or_else(|| {
+                let source = loc.source(db);
+                visibility_from_ast(db, function_id, source.map(|src| src.visibility()))
+            })
+        }
+        AssocItemId::ConstId(const_id) => {
+            let loc = const_id.lookup(db);
+            trait_item_visibility(db, loc.container).unwrap_or_else(|| {
+                let source = loc.source(db);
+                visibility_from_ast(db, const_id, source.map(|src| src.visibility()))
+            })
+        }
+        AssocItemId::TypeAliasId(type_alias_id) => {
+            let loc = type_alias_id.lookup(db);
+            trait_item_visibility(db, loc.container).unwrap_or_else(|| {
+                let source = loc.source(db);
+                visibility_from_ast(db, type_alias_id, source.map(|src| src.visibility()))
+            })
+        }
+    }
 }
 
-/// Resolve visibility of a type alias.
-pub(crate) fn type_alias_visibility_query(db: &dyn DefDatabase, def: TypeAliasId) -> Visibility {
-    let loc = def.lookup(db);
-    let resolver = def.resolver(db);
-    trait_item_visibility(db, &resolver, loc.container).unwrap_or_else(|| {
-        let source = loc.source(db);
-        visibility_from_ast(db, &resolver, source.map(|src| src.visibility()))
-    })
+fn trait_item_visibility(db: &dyn DefDatabase, container: ItemContainerId) -> Option<Visibility> {
+    match container {
+        ItemContainerId::TraitId(trait_) => Some(trait_visibility(db, trait_)),
+        _ => None,
+    }
 }
 
-pub(crate) fn trait_visibility(
-    db: &dyn DefDatabase,
-    resolver: &Resolver<'_>,
-    def: TraitId,
-) -> Visibility {
+fn trait_visibility(db: &dyn DefDatabase, def: TraitId) -> Visibility {
     let loc = def.lookup(db);
     let source = loc.source(db);
-    visibility_from_ast(db, resolver, source.map(|src| src.visibility()))
+    visibility_from_ast(db, def, source.map(|src| src.visibility()))
 }
diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/chalk_db.rs b/src/tools/rust-analyzer/crates/hir-ty/src/chalk_db.rs
index cf439245137..79454428112 100644
--- a/src/tools/rust-analyzer/crates/hir-ty/src/chalk_db.rs
+++ b/src/tools/rust-analyzer/crates/hir-ty/src/chalk_db.rs
@@ -63,7 +63,7 @@ impl chalk_solve::RustIrDatabase<Interner> for ChalkContext<'_> {
     ) -> Option<rust_ir::AssociatedTyValueId<Interner>> {
         let alias_id = from_assoc_type_id(assoc_type_id);
         let trait_sig = self.db.type_alias_signature(alias_id);
-        self.db.impl_items(hir_def::ImplId::from_chalk(self.db, impl_id)).items.iter().find_map(
+        hir_def::ImplId::from_chalk(self.db, impl_id).impl_items(self.db).items.iter().find_map(
             |(name, item)| match item {
                 AssocItemId::TypeAliasId(alias) if &trait_sig.name == name => {
                     Some(TypeAliasAsValue(*alias).to_chalk(self.db))
@@ -880,8 +880,8 @@ fn impl_def_datum(db: &dyn HirDatabase, krate: Crate, impl_id: hir_def::ImplId)
 
     let impl_datum_bound = rust_ir::ImplDatumBound { trait_ref, where_clauses };
     let trait_data = db.trait_items(trait_);
-    let associated_ty_value_ids = db
-        .impl_items(impl_id)
+    let associated_ty_value_ids = impl_id
+        .impl_items(db)
         .items
         .iter()
         .filter_map(|(_, item)| match item {
diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/method_resolution.rs b/src/tools/rust-analyzer/crates/hir-ty/src/method_resolution.rs
index 3b295d41e6e..25f1782bdd8 100644
--- a/src/tools/rust-analyzer/crates/hir-ty/src/method_resolution.rs
+++ b/src/tools/rust-analyzer/crates/hir-ty/src/method_resolution.rs
@@ -790,7 +790,7 @@ fn find_matching_impl(
     mut impls: impl Iterator<Item = ImplId>,
     mut table: InferenceTable<'_>,
     actual_trait_ref: TraitRef,
-) -> Option<(Arc<ImplItems>, Substitution)> {
+) -> Option<(&ImplItems, Substitution)> {
     let db = table.db;
     impls.find_map(|impl_| {
         table.run_in_snapshot(|table| {
@@ -811,7 +811,7 @@ fn find_matching_impl(
             let goal = crate::Goal::all(Interner, wcs);
             table.try_obligation(goal.clone())?;
             table.register_obligation(goal);
-            Some((db.impl_items(impl_), table.resolve_completely(impl_substs)))
+            Some((impl_.impl_items(db), table.resolve_completely(impl_substs)))
         })
     })
 }
@@ -875,7 +875,7 @@ fn is_inherent_impl_coherent(
 
             _ => false,
         };
-        let items = db.impl_items(impl_id);
+        let items = impl_id.impl_items(db);
         rustc_has_incoherent_inherent_impls
             && !items.items.is_empty()
             && items.items.iter().all(|&(_, assoc)| match assoc {
@@ -1462,7 +1462,7 @@ fn iterate_inherent_methods(
         callback: &mut dyn FnMut(ReceiverAdjustments, AssocItemId, bool) -> ControlFlow<()>,
     ) -> ControlFlow<()> {
         for &impl_id in impls.for_self_ty(self_ty) {
-            for &(ref item_name, item) in table.db.impl_items(impl_id).items.iter() {
+            for &(ref item_name, item) in impl_id.impl_items(table.db).items.iter() {
                 let visible = match is_valid_impl_method_candidate(
                     table,
                     self_ty,
@@ -1550,7 +1550,7 @@ fn is_valid_impl_method_candidate(
             check_that!(name.is_none_or(|n| n == item_name));
 
             if let Some(from_module) = visible_from_module {
-                if !db.const_visibility(c).is_visible_from(db, from_module) {
+                if !db.assoc_visibility(c.into()).is_visible_from(db, from_module) {
                     cov_mark::hit!(const_candidate_not_visible);
                     return IsValidCandidate::NotVisible;
                 }
@@ -1639,7 +1639,7 @@ fn is_valid_impl_fn_candidate(
     let data = db.function_signature(fn_id);
 
     if let Some(from_module) = visible_from_module {
-        if !db.function_visibility(fn_id).is_visible_from(db, from_module) {
+        if !db.assoc_visibility(fn_id.into()).is_visible_from(db, from_module) {
             cov_mark::hit!(autoderef_candidate_not_visible);
             return IsValidCandidate::NotVisible;
         }
diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/mir/eval/shim.rs b/src/tools/rust-analyzer/crates/hir-ty/src/mir/eval/shim.rs
index 8d428dd6d04..6ebde013344 100644
--- a/src/tools/rust-analyzer/crates/hir-ty/src/mir/eval/shim.rs
+++ b/src/tools/rust-analyzer/crates/hir-ty/src/mir/eval/shim.rs
@@ -65,7 +65,7 @@ impl Evaluator<'_> {
                 Some(abi) => *abi == sym::rust_dash_intrinsic,
                 None => match def.lookup(self.db).container {
                     hir_def::ItemContainerId::ExternBlockId(block) => {
-                        self.db.extern_block_abi(block) == Some(sym::rust_dash_intrinsic)
+                        block.abi(self.db) == Some(sym::rust_dash_intrinsic)
                     }
                     _ => false,
                 },
@@ -84,9 +84,7 @@ impl Evaluator<'_> {
             );
         }
         let is_extern_c = match def.lookup(self.db).container {
-            hir_def::ItemContainerId::ExternBlockId(block) => {
-                self.db.extern_block_abi(block) == Some(sym::C)
-            }
+            hir_def::ItemContainerId::ExternBlockId(block) => block.abi(self.db) == Some(sym::C),
             _ => false,
         };
         if is_extern_c {
diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/tests.rs b/src/tools/rust-analyzer/crates/hir-ty/src/tests.rs
index f2812570ed5..9ca6ee476c6 100644
--- a/src/tools/rust-analyzer/crates/hir-ty/src/tests.rs
+++ b/src/tools/rust-analyzer/crates/hir-ty/src/tests.rs
@@ -437,7 +437,7 @@ pub(crate) fn visit_module(
 ) {
     visit_scope(db, crate_def_map, &crate_def_map[module_id].scope, cb);
     for impl_id in crate_def_map[module_id].scope.impls() {
-        let impl_data = db.impl_items(impl_id);
+        let impl_data = impl_id.impl_items(db);
         for &(_, item) in impl_data.items.iter() {
             match item {
                 AssocItemId::FunctionId(it) => {
diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/tests/incremental.rs b/src/tools/rust-analyzer/crates/hir-ty/src/tests/incremental.rs
index b45d8babd4e..905fd8a3bca 100644
--- a/src/tools/rust-analyzer/crates/hir-ty/src/tests/incremental.rs
+++ b/src/tools/rust-analyzer/crates/hir-ty/src/tests/incremental.rs
@@ -571,7 +571,7 @@ fn main() {
                 "body_shim",
                 "body_with_source_map_shim",
                 "attrs_shim",
-                "impl_items_with_diagnostics_shim",
+                "of_",
                 "infer_shim",
                 "trait_signature_shim",
                 "trait_signature_with_source_map_shim",
@@ -678,7 +678,7 @@ fn main() {
                 "body_with_source_map_shim",
                 "attrs_shim",
                 "body_shim",
-                "impl_items_with_diagnostics_shim",
+                "of_",
                 "infer_shim",
                 "attrs_shim",
                 "trait_signature_with_source_map_shim",
diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/utils.rs b/src/tools/rust-analyzer/crates/hir-ty/src/utils.rs
index 867c7ea0878..4c8e635eff9 100644
--- a/src/tools/rust-analyzer/crates/hir-ty/src/utils.rs
+++ b/src/tools/rust-analyzer/crates/hir-ty/src/utils.rs
@@ -293,7 +293,7 @@ pub fn is_fn_unsafe_to_call(
     let loc = func.lookup(db);
     match loc.container {
         hir_def::ItemContainerId::ExternBlockId(block) => {
-            let is_intrinsic_block = db.extern_block_abi(block) == Some(sym::rust_dash_intrinsic);
+            let is_intrinsic_block = block.abi(db) == Some(sym::rust_dash_intrinsic);
             if is_intrinsic_block {
                 // legacy intrinsics
                 // extern "rust-intrinsic" intrinsics are unsafe unless they have the rustc_safe_intrinsic attribute
diff --git a/src/tools/rust-analyzer/crates/hir/src/lib.rs b/src/tools/rust-analyzer/crates/hir/src/lib.rs
index 597da0a3cbd..adae335627b 100644
--- a/src/tools/rust-analyzer/crates/hir/src/lib.rs
+++ b/src/tools/rust-analyzer/crates/hir/src/lib.rs
@@ -760,7 +760,7 @@ impl Module {
 
             let ast_id_map = db.ast_id_map(file_id);
 
-            for diag in db.impl_items_with_diagnostics(impl_def.id).1.iter() {
+            for diag in impl_def.id.impl_items_with_diagnostics(db).1.iter() {
                 emit_def_diagnostic(db, acc, diag, edition);
             }
 
@@ -824,7 +824,7 @@ impl Module {
                     AssocItemId::ConstId(id) => !db.const_signature(id).has_body(),
                     AssocItemId::TypeAliasId(it) => db.type_alias_signature(it).ty.is_none(),
                 });
-                impl_assoc_items_scratch.extend(db.impl_items(impl_def.id).items.iter().cloned());
+                impl_assoc_items_scratch.extend(impl_def.id.impl_items(db).items.iter().cloned());
 
                 let redundant = impl_assoc_items_scratch
                     .iter()
@@ -912,7 +912,7 @@ impl Module {
                 &source_map,
             );
 
-            for &(_, item) in db.impl_items(impl_def.id).items.iter() {
+            for &(_, item) in impl_def.id.impl_items(db).items.iter() {
                 AssocItem::from(item).diagnostics(db, acc, style_lints);
             }
         }
@@ -1431,7 +1431,7 @@ impl HasVisibility for Struct {
     fn visibility(&self, db: &dyn HirDatabase) -> Visibility {
         let loc = self.id.lookup(db);
         let source = loc.source(db);
-        visibility_from_ast(db, &self.id.resolver(db), source.map(|src| src.visibility()))
+        visibility_from_ast(db, self.id, source.map(|src| src.visibility()))
     }
 }
 
@@ -1485,7 +1485,7 @@ impl HasVisibility for Union {
     fn visibility(&self, db: &dyn HirDatabase) -> Visibility {
         let loc = self.id.lookup(db);
         let source = loc.source(db);
-        visibility_from_ast(db, &self.id.resolver(db), source.map(|src| src.visibility()))
+        visibility_from_ast(db, self.id, source.map(|src| src.visibility()))
     }
 }
 
@@ -1574,7 +1574,7 @@ impl HasVisibility for Enum {
     fn visibility(&self, db: &dyn HirDatabase) -> Visibility {
         let loc = self.id.lookup(db);
         let source = loc.source(db);
-        visibility_from_ast(db, &self.id.resolver(db), source.map(|src| src.visibility()))
+        visibility_from_ast(db, self.id, source.map(|src| src.visibility()))
     }
 }
 
@@ -2632,7 +2632,7 @@ impl SelfParam {
 
 impl HasVisibility for Function {
     fn visibility(&self, db: &dyn HirDatabase) -> Visibility {
-        db.function_visibility(self.id)
+        db.assoc_visibility(self.id.into())
     }
 }
 
@@ -2692,7 +2692,7 @@ impl HasVisibility for ExternCrateDecl {
     fn visibility(&self, db: &dyn HirDatabase) -> Visibility {
         let loc = self.id.lookup(db);
         let source = loc.source(db);
-        visibility_from_ast(db, &self.id.resolver(db), source.map(|src| src.visibility()))
+        visibility_from_ast(db, self.id, source.map(|src| src.visibility()))
     }
 }
 
@@ -2727,7 +2727,7 @@ impl Const {
 
 impl HasVisibility for Const {
     fn visibility(&self, db: &dyn HirDatabase) -> Visibility {
-        db.const_visibility(self.id)
+        db.assoc_visibility(self.id.into())
     }
 }
 
@@ -2813,7 +2813,7 @@ impl HasVisibility for Static {
     fn visibility(&self, db: &dyn HirDatabase) -> Visibility {
         let loc = self.id.lookup(db);
         let source = loc.source(db);
-        visibility_from_ast(db, &self.id.resolver(db), source.map(|src| src.visibility()))
+        visibility_from_ast(db, self.id, source.map(|src| src.visibility()))
     }
 }
 
@@ -2915,7 +2915,7 @@ impl HasVisibility for Trait {
     fn visibility(&self, db: &dyn HirDatabase) -> Visibility {
         let loc = self.id.lookup(db);
         let source = loc.source(db);
-        visibility_from_ast(db, &self.id.resolver(db), source.map(|src| src.visibility()))
+        visibility_from_ast(db, self.id, source.map(|src| src.visibility()))
     }
 }
 
@@ -2938,7 +2938,7 @@ impl HasVisibility for TraitAlias {
     fn visibility(&self, db: &dyn HirDatabase) -> Visibility {
         let loc = self.id.lookup(db);
         let source = loc.source(db);
-        visibility_from_ast(db, &self.id.resolver(db), source.map(|src| src.visibility()))
+        visibility_from_ast(db, self.id, source.map(|src| src.visibility()))
     }
 }
 
@@ -2976,7 +2976,7 @@ impl TypeAlias {
 
 impl HasVisibility for TypeAlias {
     fn visibility(&self, db: &dyn HirDatabase) -> Visibility {
-        db.type_alias_visibility(self.id)
+        db.assoc_visibility(self.id.into())
     }
 }
 
@@ -3200,7 +3200,7 @@ impl HasVisibility for Macro {
             MacroId::Macro2Id(id) => {
                 let loc = id.lookup(db);
                 let source = loc.source(db);
-                visibility_from_ast(db, &id.resolver(db), source.map(|src| src.visibility()))
+                visibility_from_ast(db, id, source.map(|src| src.visibility()))
             }
             MacroId::MacroRulesId(_) => Visibility::Public,
             MacroId::ProcMacroId(_) => Visibility::Public,
@@ -4413,7 +4413,7 @@ impl Impl {
     }
 
     pub fn items(self, db: &dyn HirDatabase) -> Vec<AssocItem> {
-        db.impl_items(self.id).items.iter().map(|&(_, it)| it.into()).collect()
+        self.id.impl_items(db).items.iter().map(|&(_, it)| it.into()).collect()
     }
 
     pub fn is_negative(self, db: &dyn HirDatabase) -> bool {
@@ -4462,7 +4462,7 @@ impl Impl {
     }
 
     fn all_macro_calls(&self, db: &dyn HirDatabase) -> Box<[(AstId<ast::Item>, MacroCallId)]> {
-        db.impl_items(self.id).macro_calls.to_vec().into_boxed_slice()
+        self.id.impl_items(db).macro_calls.to_vec().into_boxed_slice()
     }
 }
 
@@ -5271,7 +5271,7 @@ impl Type {
             let impls = db.inherent_impls_in_crate(krate);
 
             for impl_def in impls.for_self_ty(&self.ty) {
-                for &(_, item) in db.impl_items(*impl_def).items.iter() {
+                for &(_, item) in impl_def.impl_items(db).items.iter() {
                     if callback(item) {
                         return;
                     }
diff --git a/src/tools/rust-analyzer/crates/hir/src/semantics/child_by_source.rs b/src/tools/rust-analyzer/crates/hir/src/semantics/child_by_source.rs
index 0d0bbe367ec..fedd8239d03 100644
--- a/src/tools/rust-analyzer/crates/hir/src/semantics/child_by_source.rs
+++ b/src/tools/rust-analyzer/crates/hir/src/semantics/child_by_source.rs
@@ -61,7 +61,7 @@ impl ChildBySource for TraitId {
 
 impl ChildBySource for ImplId {
     fn child_by_source_to(&self, db: &dyn DefDatabase, res: &mut DynMap, file_id: HirFileId) {
-        let data = db.impl_items(*self);
+        let data = self.impl_items(db);
         data.macro_calls().filter(|(ast_id, _)| ast_id.file_id == file_id).for_each(
             |(ast_id, call_id)| {
                 let ptr = ast_id.to_ptr(db);
diff --git a/src/tools/rust-analyzer/crates/hir/src/symbols.rs b/src/tools/rust-analyzer/crates/hir/src/symbols.rs
index 4b295fe9ec1..cb9901ab11b 100644
--- a/src/tools/rust-analyzer/crates/hir/src/symbols.rs
+++ b/src/tools/rust-analyzer/crates/hir/src/symbols.rs
@@ -324,7 +324,7 @@ impl<'a> SymbolCollector<'a> {
                 .to_smolstr(),
         );
         self.with_container_name(impl_name, |s| {
-            for &(ref name, assoc_item_id) in &self.db.impl_items(impl_id).items {
+            for &(ref name, assoc_item_id) in &impl_id.impl_items(self.db).items {
                 s.push_assoc_item(assoc_item_id, name, None)
             }
         })