From 76c51fae77d5dc2d7791132ecc78e444118e48de Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Mon, 15 Oct 2018 22:05:21 +0300
Subject: Tweak writable root API

---
 crates/ra_analysis/src/imp.rs   | 12 ++++++------
 crates/ra_analysis/src/roots.rs |  7 ++-----
 2 files changed, 8 insertions(+), 11 deletions(-)

(limited to 'crates/ra_analysis/src')

diff --git a/crates/ra_analysis/src/imp.rs b/crates/ra_analysis/src/imp.rs
index fb711491b..0cf6db40d 100644
--- a/crates/ra_analysis/src/imp.rs
+++ b/crates/ra_analysis/src/imp.rs
@@ -94,12 +94,12 @@ impl AnalysisHostImpl {
         }
     }
     pub fn change_files(&mut self, changes: &mut dyn Iterator<Item=(FileId, Option<String>)>) {
-        let data = self.data_mut();
-        data.root = Arc::new(data.root.apply_changes(changes, None));
+        self.data_mut()
+            .root.apply_changes(changes, None);
     }
     pub fn set_file_resolver(&mut self, resolver: FileResolverImp) {
-        let data = self.data_mut();
-        data.root = Arc::new(data.root.apply_changes(&mut iter::empty(), Some(resolver)));
+        self.data_mut()
+            .root.apply_changes(&mut iter::empty(), Some(resolver));
     }
     pub fn set_crate_graph(&mut self, graph: CrateGraph) {
         let mut visited = FxHashSet::default();
@@ -141,7 +141,7 @@ impl Clone for AnalysisImpl {
 impl AnalysisImpl {
     fn root(&self, file_id: FileId) -> &SourceRoot {
         if self.data.root.contains(file_id) {
-            return &*self.data.root;
+            return &self.data.root;
         }
         &**self.data.libs.iter().find(|it| it.contains(file_id)).unwrap()
     }
@@ -405,7 +405,7 @@ impl AnalysisImpl {
 #[derive(Default, Clone, Debug)]
 struct WorldData {
     crate_graph: CrateGraph,
-    root: Arc<WritableSourceRoot>,
+    root: WritableSourceRoot,
     libs: Vec<Arc<ReadonlySourceRoot>>,
 }
 
diff --git a/crates/ra_analysis/src/roots.rs b/crates/ra_analysis/src/roots.rs
index 766548c70..42833af36 100644
--- a/crates/ra_analysis/src/roots.rs
+++ b/crates/ra_analysis/src/roots.rs
@@ -35,10 +35,10 @@ pub(crate) struct WritableSourceRoot {
 
 impl WritableSourceRoot {
     pub fn apply_changes(
-        &self,
+        &mut self,
         changes: &mut dyn Iterator<Item=(FileId, Option<String>)>,
         file_resolver: Option<FileResolverImp>,
-    ) -> WritableSourceRoot {
+    ) {
         let db = self.db.write();
         let mut changed = FxHashSet::default();
         let mut removed = FxHashSet::default();
@@ -65,9 +65,6 @@ impl WritableSourceRoot {
         let resolver = file_resolver.unwrap_or_else(|| file_set.resolver.clone());
         db.query(db::FileSetQuery)
             .set((), Arc::new(db::FileSet { files, resolver }));
-        // TODO: reconcile sasla's API with our needs
-        // https://github.com/salsa-rs/salsa/issues/12
-        self.clone()
     }
 }
 
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