From 9a7db8fa009c612168ef16f6ed72315b5406ed09 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Wed, 24 Oct 2018 17:25:10 +0300
Subject: simplify roots

---
 crates/ra_analysis/src/roots.rs | 24 +++++-------------------
 1 file changed, 5 insertions(+), 19 deletions(-)

(limited to 'crates/ra_analysis/src/roots.rs')

diff --git a/crates/ra_analysis/src/roots.rs b/crates/ra_analysis/src/roots.rs
index 15081f555..aa0243720 100644
--- a/crates/ra_analysis/src/roots.rs
+++ b/crates/ra_analysis/src/roots.rs
@@ -17,9 +17,7 @@ use crate::{
 
 pub(crate) trait SourceRoot {
     fn contains(&self, file_id: FileId) -> bool;
-    fn module_tree(&self) -> Cancelable<Arc<ModuleTree>>;
-    fn lines(&self, file_id: FileId) -> Arc<LineIndex>;
-    fn syntax(&self, file_id: FileId) -> File;
+    fn db(&self) -> &db::RootDatabase;
     fn symbols(&self, acc: &mut Vec<Arc<SymbolIndex>>) -> Cancelable<()>;
 }
 
@@ -63,17 +61,11 @@ impl WritableSourceRoot {
 }
 
 impl SourceRoot for WritableSourceRoot {
-    fn module_tree(&self) -> Cancelable<Arc<ModuleTree>> {
-        self.db.module_tree()
-    }
     fn contains(&self, file_id: FileId) -> bool {
         self.db.file_set().files.contains(&file_id)
     }
-    fn lines(&self, file_id: FileId) -> Arc<LineIndex> {
-        self.db.file_lines(file_id)
-    }
-    fn syntax(&self, file_id: FileId) -> File {
-        self.db.file_syntax(file_id)
+    fn db(&self) -> &db::RootDatabase {
+        &self.db
     }
     fn symbols<'a>(&'a self, acc: &mut Vec<Arc<SymbolIndex>>) -> Cancelable<()> {
         for &file_id in self.db.file_set().files.iter() {
@@ -114,17 +106,11 @@ impl ReadonlySourceRoot {
 }
 
 impl SourceRoot for ReadonlySourceRoot {
-    fn module_tree(&self) -> Cancelable<Arc<ModuleTree>> {
-        self.db.module_tree()
-    }
     fn contains(&self, file_id: FileId) -> bool {
         self.db.file_set().files.contains(&file_id)
     }
-    fn lines(&self, file_id: FileId) -> Arc<LineIndex> {
-        self.db.file_lines(file_id)
-    }
-    fn syntax(&self, file_id: FileId) -> File {
-        self.db.file_syntax(file_id)
+    fn db(&self) -> &db::RootDatabase {
+        &self.db
     }
     fn symbols(&self, acc: &mut Vec<Arc<SymbolIndex>>) -> Cancelable<()> {
         acc.push(Arc::clone(&self.symbol_index));
-- 
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