From b2de95879a8d48cc4077895376b0aaed1e972169 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Wed, 28 Nov 2018 02:49:28 +0300
Subject: generalize location interner

---
 crates/ra_analysis/src/hir/db.rs                | 18 +++++++++++-------
 crates/ra_analysis/src/hir/function/mod.rs      |  2 +-
 crates/ra_analysis/src/hir/mod.rs               |  2 +-
 crates/ra_analysis/src/hir/module/mod.rs        |  4 ++--
 crates/ra_analysis/src/hir/module/nameres.rs    |  6 +++---
 crates/ra_analysis/src/hir/query_definitions.rs |  2 +-
 6 files changed, 19 insertions(+), 15 deletions(-)

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

diff --git a/crates/ra_analysis/src/hir/db.rs b/crates/ra_analysis/src/hir/db.rs
index 0998295f5..bf0dc393a 100644
--- a/crates/ra_analysis/src/hir/db.rs
+++ b/crates/ra_analysis/src/hir/db.rs
@@ -8,20 +8,24 @@ use ra_syntax::{
 use crate::{
     FileId,
     db::SyntaxDatabase,
-    hir::{SourceFileItems, SourceItemId},
-    hir::query_definitions,
-    hir::function::{FnId, FnScopes},
-    hir::module::{
-        ModuleId, ModuleTree, ModuleSource,
-        nameres::{ItemMap, InputModuleItems}
+    hir::{
+        SourceFileItems, SourceItemId,
+        query_definitions,
+        function::{FnScopes},
+        module::{ModuleId, ModuleTree, ModuleSource,
+        nameres::{ItemMap, InputModuleItems}},
     },
     input::SourceRootId,
+    loc2id::{DefLoc, DefId, FnId, LocationIntener},
     Cancelable,
 };
 
 salsa::query_group! {
 
-pub(crate) trait HirDatabase: SyntaxDatabase {
+pub(crate) trait HirDatabase: SyntaxDatabase
+    + AsRef<LocationIntener<DefLoc, DefId>>
+    + AsRef<LocationIntener<SourceItemId, FnId>>
+{
     fn fn_scopes(fn_id: FnId) -> Arc<FnScopes> {
         type FnScopesQuery;
         use fn query_definitions::fn_scopes;
diff --git a/crates/ra_analysis/src/hir/function/mod.rs b/crates/ra_analysis/src/hir/function/mod.rs
index 280218fd4..e64a9f045 100644
--- a/crates/ra_analysis/src/hir/function/mod.rs
+++ b/crates/ra_analysis/src/hir/function/mod.rs
@@ -23,7 +23,7 @@ impl FnId {
         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)
+        FnId::from_loc(db, &item_id)
     }
 }
 
diff --git a/crates/ra_analysis/src/hir/mod.rs b/crates/ra_analysis/src/hir/mod.rs
index 9527cc33f..61e6c9913 100644
--- a/crates/ra_analysis/src/hir/mod.rs
+++ b/crates/ra_analysis/src/hir/mod.rs
@@ -38,7 +38,7 @@ pub(crate) enum Def {
 
 impl DefId {
     pub(crate) fn resolve(self, db: &impl HirDatabase) -> Cancelable<Def> {
-        let loc = db.id_maps().def_loc(self);
+        let loc = self.loc(db);
         let res = match loc {
             DefLoc::Module { id, source_root } => {
                 let descr = Module::new(db, source_root, id)?;
diff --git a/crates/ra_analysis/src/hir/module/mod.rs b/crates/ra_analysis/src/hir/module/mod.rs
index 83f176b32..893ec3a10 100644
--- a/crates/ra_analysis/src/hir/module/mod.rs
+++ b/crates/ra_analysis/src/hir/module/mod.rs
@@ -134,7 +134,7 @@ impl Module {
             id: self.module_id,
             source_root: self.source_root_id,
         };
-        db.id_maps().def_id(def_loc)
+        def_loc.id(db)
     }
 
     /// Finds a child module with the specified name.
@@ -167,7 +167,7 @@ impl Module {
 
         let segments = path.segments;
         for name in segments.iter() {
-            let module = match db.id_maps().def_loc(curr) {
+            let module = match curr.loc(db) {
                 DefLoc::Module { id, source_root } => Module::new(db, source_root, id)?,
                 _ => return Ok(None),
             };
diff --git a/crates/ra_analysis/src/hir/module/nameres.rs b/crates/ra_analysis/src/hir/module/nameres.rs
index f22832eda..f48f51c8d 100644
--- a/crates/ra_analysis/src/hir/module/nameres.rs
+++ b/crates/ra_analysis/src/hir/module/nameres.rs
@@ -256,7 +256,7 @@ where
                     item_id: item.id,
                 },
             };
-            let def_id = self.db.id_maps().def_id(def_loc);
+            let def_id = def_loc.id(self.db);
             let resolution = Resolution {
                 def_id: Some(def_id),
                 import: None,
@@ -269,7 +269,7 @@ where
                 id: mod_id,
                 source_root: self.source_root,
             };
-            let def_id = self.db.id_maps().def_id(def_loc);
+            let def_id = def_loc.id(self.db);
             let resolution = Resolution {
                 def_id: Some(def_id),
                 import: None,
@@ -318,7 +318,7 @@ where
             };
 
             if !is_last {
-                curr = match self.db.id_maps().def_loc(def_id) {
+                curr = match def_id.loc(self.db) {
                     DefLoc::Module { id, .. } => id,
                     _ => return,
                 }
diff --git a/crates/ra_analysis/src/hir/query_definitions.rs b/crates/ra_analysis/src/hir/query_definitions.rs
index e7fba5d72..6570ca994 100644
--- a/crates/ra_analysis/src/hir/query_definitions.rs
+++ b/crates/ra_analysis/src/hir/query_definitions.rs
@@ -26,7 +26,7 @@ use crate::{
 
 /// Resolve `FnId` to the corresponding `SyntaxNode`
 pub(super) fn fn_syntax(db: &impl HirDatabase, fn_id: FnId) -> FnDefNode {
-    let item_id = db.id_maps().fn_item_id(fn_id);
+    let item_id = fn_id.loc(db);
     let syntax = db.file_item(item_id);
     FnDef::cast(syntax.borrowed()).unwrap().owned()
 }
-- 
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