From 1ccf73c836d8a70d6f04b621bd6461f133669131 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Fri, 25 Jan 2019 01:38:21 +0300
Subject: kill DefKindc

---
 crates/ra_hir/src/ids.rs        | 24 ++--------------------
 crates/ra_hir/src/impl_block.rs | 44 +++++++++++------------------------------
 crates/ra_hir/src/lib.rs        |  2 +-
 3 files changed, 15 insertions(+), 55 deletions(-)

(limited to 'crates/ra_hir')

diff --git a/crates/ra_hir/src/ids.rs b/crates/ra_hir/src/ids.rs
index 311c0b98a..cbe31f830 100644
--- a/crates/ra_hir/src/ids.rs
+++ b/crates/ra_hir/src/ids.rs
@@ -313,19 +313,7 @@ pub struct DefLoc {
 }
 
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
-pub(crate) enum DefKind {
-    Item,
-    // /// The constructor of a struct. E.g. if we have `struct Foo(usize)`, the
-    // /// name `Foo` needs to resolve to different types depending on whether we
-    // /// are in the types or values namespace: As a type, `Foo` of course refers
-    // /// to the struct `Foo`; as a value, `Foo` is a callable type with signature
-    // /// `(usize) -> Foo`. The cleanest approach to handle this seems to be to
-    // /// have different defs in the two namespaces.
-    // ///
-    // /// rustc does the same; note that it even creates a struct constructor if
-    // /// the struct isn't a tuple struct (see `CtorKind::Fictive` in rustc).
-    // StructCtor,
-}
+pub(crate) enum DefKind {}
 
 impl DefId {
     pub(crate) fn loc(self, db: &impl AsRef<HirInterner>) -> DefLoc {
@@ -334,15 +322,7 @@ impl DefId {
 
     pub fn resolve(self, db: &impl HirDatabase) -> Def {
         let loc = self.loc(db);
-        match loc.kind {
-            DefKind::Item => Def::Item,
-        }
-    }
-}
-
-impl DefLoc {
-    pub(crate) fn id(&self, db: &impl AsRef<HirInterner>) -> DefId {
-        db.as_ref().defs.loc2id(&self)
+        match loc.kind {}
     }
 }
 
diff --git a/crates/ra_hir/src/impl_block.rs b/crates/ra_hir/src/impl_block.rs
index 3df0d3a3b..222e47349 100644
--- a/crates/ra_hir/src/impl_block.rs
+++ b/crates/ra_hir/src/impl_block.rs
@@ -5,7 +5,7 @@ use ra_arena::{Arena, RawId, impl_arena_id};
 use ra_syntax::ast::{self, AstNode};
 
 use crate::{
-    DefId, DefLoc, DefKind, SourceItemId, SourceFileItems,
+    Const, Type,
     Function, HirFileId,
     db::HirDatabase,
     type_ref::TypeRef,
@@ -67,7 +67,6 @@ impl ImplData {
     pub(crate) fn from_ast(
         db: &impl HirDatabase,
         file_id: HirFileId,
-        file_items: &SourceFileItems,
         module: Module,
         node: &ast::ImplBlock,
     ) -> Self {
@@ -77,30 +76,14 @@ impl ImplData {
         let items = if let Some(item_list) = node.item_list() {
             item_list
                 .impl_items()
-                .map(|item_node| {
-                    let kind = match item_node.kind() {
-                        ast::ImplItemKind::FnDef(it) => {
-                            return ImplItem::Method(Function { id: ctx.to_def(it) });
-                        }
-                        ast::ImplItemKind::ConstDef(..) => DefKind::Item,
-                        ast::ImplItemKind::TypeDef(..) => DefKind::Item,
-                    };
-                    let item_id = file_items.id_of_unchecked(item_node.syntax());
-                    let source_item_id = SourceItemId {
-                        file_id,
-                        item_id: Some(item_id),
-                    };
-                    let def_loc = DefLoc {
-                        module,
-                        kind,
-                        source_item_id,
-                    };
-                    let def_id = def_loc.id(db);
-                    match item_node.kind() {
-                        ast::ImplItemKind::FnDef(_) => unreachable!(),
-                        ast::ImplItemKind::ConstDef(..) => ImplItem::Const(def_id),
-                        ast::ImplItemKind::TypeDef(..) => ImplItem::Type(def_id),
+                .map(|item_node| match item_node.kind() {
+                    ast::ImplItemKind::FnDef(it) => {
+                        ImplItem::Method(Function { id: ctx.to_def(it) })
                     }
+                    ast::ImplItemKind::ConstDef(it) => {
+                        ImplItem::Const(Const { id: ctx.to_def(it) })
+                    }
+                    ast::ImplItemKind::TypeDef(it) => ImplItem::Type(Type { id: ctx.to_def(it) }),
                 })
                 .collect()
         } else {
@@ -130,11 +113,11 @@ impl ImplData {
 //TODO: rename to ImplDef?
 pub enum ImplItem {
     Method(Function),
-    // these don't have their own types yet
-    Const(DefId),
-    Type(DefId),
+    Const(Const),
+    Type(Type),
     // Existential
 }
+impl_froms!(ImplItem: Const, Type);
 
 impl From<Function> for ImplItem {
     fn from(func: Function) -> ImplItem {
@@ -176,11 +159,8 @@ impl ModuleImplBlocks {
                 .syntax(),
         };
 
-        let source_file_items = db.file_items(file_id);
-
         for impl_block_ast in node.children().filter_map(ast::ImplBlock::cast) {
-            let impl_block =
-                ImplData::from_ast(db, file_id, &source_file_items, module, impl_block_ast);
+            let impl_block = ImplData::from_ast(db, file_id, module, impl_block_ast);
             let id = self.impls.alloc(impl_block);
             for &impl_item in &self.impls[id].items {
                 self.impls_by_def.insert(impl_item, id);
diff --git a/crates/ra_hir/src/lib.rs b/crates/ra_hir/src/lib.rs
index 33438509c..6cbece95e 100644
--- a/crates/ra_hir/src/lib.rs
+++ b/crates/ra_hir/src/lib.rs
@@ -46,7 +46,7 @@ mod marks;
 use crate::{
     db::HirDatabase,
     name::{AsName, KnownName},
-    ids::{DefKind, SourceItemId, SourceFileItems},
+    ids::{SourceItemId, SourceFileItems},
 };
 
 pub use self::{
-- 
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