From c2abd17f57fa14960e8a175bdabe49eb365a585f Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Wed, 28 Nov 2018 02:13:52 +0300
Subject: Use ItemPtr for id

---
 crates/ra_analysis/src/hir/function/mod.rs      | 10 ++++++----
 crates/ra_analysis/src/hir/query_definitions.rs |  4 ++--
 crates/ra_analysis/src/loc2id.rs                |  9 ++++-----
 crates/ra_analysis/src/syntax_ptr.rs            |  7 -------
 4 files changed, 12 insertions(+), 18 deletions(-)

diff --git a/crates/ra_analysis/src/hir/function/mod.rs b/crates/ra_analysis/src/hir/function/mod.rs
index 9ca8f4e7c..280218fd4 100644
--- a/crates/ra_analysis/src/hir/function/mod.rs
+++ b/crates/ra_analysis/src/hir/function/mod.rs
@@ -11,8 +11,8 @@ use ra_syntax::{
 };
 
 use crate::{
-    hir::HirDatabase,
-    syntax_ptr::SyntaxPtr, FileId,
+    hir::{HirDatabase, SourceItemId},
+    FileId,
 };
 
 pub(crate) use self::scope::FnScopes;
@@ -20,8 +20,10 @@ pub(crate) use crate::loc2id::FnId;
 
 impl FnId {
     pub(crate) fn get(db: &impl HirDatabase, file_id: FileId, fn_def: ast::FnDef) -> FnId {
-        let ptr = SyntaxPtr::new(file_id, fn_def.syntax());
-        db.id_maps().fn_id(ptr)
+        let file_items = db.file_items(file_id);
+        let item_id = file_items.id_of(fn_def.syntax());
+        let item_id = SourceItemId { file_id, item_id };
+        db.id_maps().fn_id(item_id)
     }
 }
 
diff --git a/crates/ra_analysis/src/hir/query_definitions.rs b/crates/ra_analysis/src/hir/query_definitions.rs
index cdd986ce4..6c633e9ab 100644
--- a/crates/ra_analysis/src/hir/query_definitions.rs
+++ b/crates/ra_analysis/src/hir/query_definitions.rs
@@ -26,8 +26,8 @@ use crate::{
 
 /// Resolve `FnId` to the corresponding `SyntaxNode`
 pub(super) fn fn_syntax(db: &impl HirDatabase, fn_id: FnId) -> FnDefNode {
-    let ptr = db.id_maps().fn_ptr(fn_id);
-    let syntax = db.resolve_syntax_ptr(ptr);
+    let item_id = db.id_maps().fn_item_id(fn_id);
+    let syntax = db.file_item(item_id);
     FnDef::cast(syntax.borrowed()).unwrap().owned()
 }
 
diff --git a/crates/ra_analysis/src/loc2id.rs b/crates/ra_analysis/src/loc2id.rs
index 5b2c0f615..204708942 100644
--- a/crates/ra_analysis/src/loc2id.rs
+++ b/crates/ra_analysis/src/loc2id.rs
@@ -9,7 +9,6 @@ use rustc_hash::FxHashMap;
 
 use crate::{
     hir::{SourceItemId, ModuleId},
-    syntax_ptr::SyntaxPtr,
     input::SourceRootId,
 };
 
@@ -112,10 +111,10 @@ pub(crate) struct IdMaps {
 }
 
 impl IdMaps {
-    pub(crate) fn fn_id(&self, ptr: SyntaxPtr) -> FnId {
-        self.inner.fns.lock().loc2id(&ptr)
+    pub(crate) fn fn_id(&self, item_id: SourceItemId) -> FnId {
+        self.inner.fns.lock().loc2id(&item_id)
     }
-    pub(crate) fn fn_ptr(&self, fn_id: FnId) -> SyntaxPtr {
+    pub(crate) fn fn_item_id(&self, fn_id: FnId) -> SourceItemId {
         self.inner.fns.lock().id2loc(fn_id)
     }
 
@@ -129,6 +128,6 @@ impl IdMaps {
 
 #[derive(Debug, Default)]
 struct IdMapsInner {
-    fns: Mutex<Loc2IdMap<SyntaxPtr, FnId>>,
+    fns: Mutex<Loc2IdMap<SourceItemId, FnId>>,
     defs: Mutex<Loc2IdMap<DefLoc, DefId>>,
 }
diff --git a/crates/ra_analysis/src/syntax_ptr.rs b/crates/ra_analysis/src/syntax_ptr.rs
index ca8efc9b2..7bbf1fc33 100644
--- a/crates/ra_analysis/src/syntax_ptr.rs
+++ b/crates/ra_analysis/src/syntax_ptr.rs
@@ -17,13 +17,6 @@ pub(crate) struct SyntaxPtr {
     local: LocalSyntaxPtr,
 }
 
-impl SyntaxPtr {
-    pub(crate) fn new(file_id: FileId, node: SyntaxNodeRef) -> SyntaxPtr {
-        let local = LocalSyntaxPtr::new(node);
-        SyntaxPtr { file_id, local }
-    }
-}
-
 /// A pionter to a syntax node inside a file.
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub(crate) struct LocalSyntaxPtr {
-- 
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