From a03c109f50a01d646cd2e63c190b0bb08760dcd8 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Fri, 25 Jan 2019 01:41:36 +0300
Subject: Kill DefId

---
 crates/ra_hir/src/ids.rs | 40 ++++++++++------------------------------
 crates/ra_hir/src/lib.rs |  2 +-
 2 files changed, 11 insertions(+), 31 deletions(-)

diff --git a/crates/ra_hir/src/ids.rs b/crates/ra_hir/src/ids.rs
index cbe31f830..b125a1518 100644
--- a/crates/ra_hir/src/ids.rs
+++ b/crates/ra_hir/src/ids.rs
@@ -8,13 +8,12 @@ use ra_syntax::{TreeArc, SyntaxNode, SourceFile, AstNode, ast};
 use ra_arena::{Arena, RawId, ArenaId, impl_arena_id};
 
 use crate::{
-    HirDatabase, Def,
+    HirDatabase,
     Module,
 };
 
 #[derive(Debug, Default)]
 pub struct HirInterner {
-    defs: LocationIntener<DefLoc, DefId>,
     macros: LocationIntener<MacroCallLoc, MacroCallId>,
     fns: LocationIntener<ItemLoc<ast::FnDef>, FunctionId>,
     structs: LocationIntener<ItemLoc<ast::StructDef>, StructId>,
@@ -28,7 +27,15 @@ pub struct HirInterner {
 
 impl HirInterner {
     pub fn len(&self) -> usize {
-        self.defs.len() + self.macros.len()
+        self.macros.len()
+            + self.fns.len()
+            + self.structs.len()
+            + self.enums.len()
+            + self.enum_variants.len()
+            + self.consts.len()
+            + self.statics.len()
+            + self.traits.len()
+            + self.types.len()
     }
 }
 
@@ -299,33 +306,6 @@ impl AstItemDef<ast::TypeDef> for TypeId {
     }
 }
 
-/// Def's are a core concept of hir. A `Def` is an Item (function, module, etc)
-/// in a specific module.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct DefId(RawId);
-impl_arena_id!(DefId);
-
-#[derive(Clone, Debug, PartialEq, Eq, Hash)]
-pub struct DefLoc {
-    pub(crate) kind: DefKind,
-    pub(crate) module: Module,
-    pub(crate) source_item_id: SourceItemId,
-}
-
-#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
-pub(crate) enum DefKind {}
-
-impl DefId {
-    pub(crate) fn loc(self, db: &impl AsRef<HirInterner>) -> DefLoc {
-        db.as_ref().defs.id2loc(self)
-    }
-
-    pub fn resolve(self, db: &impl HirDatabase) -> Def {
-        let loc = self.loc(db);
-        match loc.kind {}
-    }
-}
-
 /// Identifier of item within a specific file. This is stable over reparses, so
 /// it's OK to use it as a salsa key/value.
 #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
diff --git a/crates/ra_hir/src/lib.rs b/crates/ra_hir/src/lib.rs
index 6cbece95e..644affd44 100644
--- a/crates/ra_hir/src/lib.rs
+++ b/crates/ra_hir/src/lib.rs
@@ -52,7 +52,7 @@ use crate::{
 pub use self::{
     path::{Path, PathKind},
     name::Name,
-    ids::{HirFileId, DefId, DefLoc, MacroCallId, MacroCallLoc, HirInterner},
+    ids::{HirFileId, MacroCallId, MacroCallLoc, HirInterner},
     macros::{MacroDef, MacroInput, MacroExpansion},
     nameres::{ItemMap, PerNs, Namespace, Resolution},
     ty::{Ty, AdtDef},
-- 
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