From 5e7f4202cf4d64f565d6d035cd2e854acfc336ab Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Wed, 28 Nov 2018 01:45:36 +0300
Subject: Move FileItems up

---
 crates/ra_analysis/src/hir/module/nameres.rs | 36 ++--------------------------
 1 file changed, 2 insertions(+), 34 deletions(-)

(limited to 'crates/ra_analysis/src/hir/module')

diff --git a/crates/ra_analysis/src/hir/module/nameres.rs b/crates/ra_analysis/src/hir/module/nameres.rs
index d38940085..f7d8c8e8c 100644
--- a/crates/ra_analysis/src/hir/module/nameres.rs
+++ b/crates/ra_analysis/src/hir/module/nameres.rs
@@ -16,13 +16,12 @@
 //! structure itself is modified.
 use std::{
     sync::Arc,
-    ops::Index,
 };
 
 use rustc_hash::FxHashMap;
 
 use ra_syntax::{
-    SyntaxNode, SyntaxNodeRef, TextRange,
+    TextRange,
     SmolStr, SyntaxKind::{self, *},
     ast::{self, AstNode}
 };
@@ -31,45 +30,14 @@ use crate::{
     Cancelable, FileId,
     loc2id::{DefId, DefLoc},
     hir::{
+        FileItemId, FileItems,
         Path, PathKind,
         HirDatabase,
         module::{ModuleId, ModuleTree},
     },
     input::SourceRootId,
-    arena::{Arena, Id}
 };
 
-/// Identifier of item within a specific file. This is stable over reparses, so
-/// it's OK to use it as a salsa key/value.
-pub(crate) type FileItemId = Id<SyntaxNode>;
-
-/// Maps item's `SyntaxNode`s to `FileItemId` and back.
-#[derive(Debug, PartialEq, Eq, Default)]
-pub(crate) struct FileItems {
-    arena: Arena<SyntaxNode>,
-}
-
-impl FileItems {
-    pub(crate) fn alloc(&mut self, item: SyntaxNode) -> FileItemId {
-        self.arena.alloc(item)
-    }
-    fn id_of(&self, item: SyntaxNodeRef) -> FileItemId {
-        let (id, _item) = self
-            .arena
-            .iter()
-            .find(|(_id, i)| i.borrowed() == item)
-            .unwrap();
-        id
-    }
-}
-
-impl Index<FileItemId> for FileItems {
-    type Output = SyntaxNode;
-    fn index(&self, idx: FileItemId) -> &SyntaxNode {
-        &self.arena[idx]
-    }
-}
-
 /// Item map is the result of the name resolution. Item map contains, for each
 /// module, the set of visible items.
 #[derive(Default, Debug, PartialEq, Eq)]
-- 
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