From 663ce0e99d8aa11707dd2ca22956552859b6ea12 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Thu, 11 Jun 2020 13:26:48 +0200
Subject: Remove dead code

---
 crates/ra_ide_db/src/change.rs             |  9 +--------
 crates/ra_ide_db/src/lib.rs                | 18 ++----------------
 crates/rust-analyzer/src/cli/load_cargo.rs |  4 ----
 crates/rust-analyzer/src/global_state.rs   |  1 -
 4 files changed, 3 insertions(+), 29 deletions(-)

diff --git a/crates/ra_ide_db/src/change.rs b/crates/ra_ide_db/src/change.rs
index 5dbe1c1b7..2fc796a85 100644
--- a/crates/ra_ide_db/src/change.rs
+++ b/crates/ra_ide_db/src/change.rs
@@ -16,7 +16,7 @@ use rustc_hash::FxHashMap;
 
 use crate::{
     symbol_index::{SymbolIndex, SymbolsDatabase},
-    DebugData, RootDatabase,
+    RootDatabase,
 };
 
 #[derive(Default)]
@@ -26,7 +26,6 @@ pub struct AnalysisChange {
     files_changed: Vec<(FileId, Arc<String>)>,
     libraries_added: Vec<LibraryData>,
     crate_graph: Option<CrateGraph>,
-    debug_data: DebugData,
 }
 
 impl fmt::Debug for AnalysisChange {
@@ -87,10 +86,6 @@ impl AnalysisChange {
     pub fn set_crate_graph(&mut self, graph: CrateGraph) {
         self.crate_graph = Some(graph);
     }
-
-    pub fn set_debug_root_path(&mut self, source_root_id: SourceRootId, path: String) {
-        self.debug_data.root_paths.insert(source_root_id, path);
-    }
 }
 
 #[derive(Debug)]
@@ -218,8 +213,6 @@ impl RootDatabase {
         if let Some(crate_graph) = change.crate_graph {
             self.set_crate_graph_with_durability(Arc::new(crate_graph), Durability::HIGH)
         }
-
-        Arc::make_mut(&mut self.debug_data).merge(change.debug_data)
     }
 
     fn apply_root_change(&mut self, root_id: SourceRootId, root_change: RootChange) {
diff --git a/crates/ra_ide_db/src/lib.rs b/crates/ra_ide_db/src/lib.rs
index 480fd4576..a808de4f1 100644
--- a/crates/ra_ide_db/src/lib.rs
+++ b/crates/ra_ide_db/src/lib.rs
@@ -17,9 +17,9 @@ use hir::db::{AstDatabase, DefDatabase};
 use ra_db::{
     salsa::{self, Database, Durability},
     Canceled, CheckCanceled, CrateId, FileId, FileLoader, FileLoaderDelegate, SourceDatabase,
-    SourceRootId, Upcast,
+    Upcast,
 };
-use rustc_hash::{FxHashMap, FxHashSet};
+use rustc_hash::FxHashSet;
 
 use crate::{line_index::LineIndex, symbol_index::SymbolsDatabase};
 
@@ -36,7 +36,6 @@ use crate::{line_index::LineIndex, symbol_index::SymbolsDatabase};
 #[derive(Debug)]
 pub struct RootDatabase {
     runtime: salsa::Runtime<RootDatabase>,
-    pub(crate) debug_data: Arc<DebugData>,
     pub last_gc: crate::wasm_shims::Instant,
     pub last_gc_check: crate::wasm_shims::Instant,
 }
@@ -98,7 +97,6 @@ impl RootDatabase {
             runtime: salsa::Runtime::default(),
             last_gc: crate::wasm_shims::Instant::now(),
             last_gc_check: crate::wasm_shims::Instant::now(),
-            debug_data: Default::default(),
         };
         db.set_crate_graph_with_durability(Default::default(), Durability::HIGH);
         db.set_local_roots_with_durability(Default::default(), Durability::HIGH);
@@ -121,7 +119,6 @@ impl salsa::ParallelDatabase for RootDatabase {
             runtime: self.runtime.snapshot(self),
             last_gc: self.last_gc,
             last_gc_check: self.last_gc_check,
-            debug_data: Arc::clone(&self.debug_data),
         })
     }
 }
@@ -135,14 +132,3 @@ fn line_index(db: &impl LineIndexDatabase, file_id: FileId) -> Arc<LineIndex> {
     let text = db.file_text(file_id);
     Arc::new(LineIndex::new(&*text))
 }
-
-#[derive(Debug, Default, Clone)]
-pub(crate) struct DebugData {
-    pub(crate) root_paths: FxHashMap<SourceRootId, String>,
-}
-
-impl DebugData {
-    pub(crate) fn merge(&mut self, other: DebugData) {
-        self.root_paths.extend(other.root_paths.into_iter());
-    }
-}
diff --git a/crates/rust-analyzer/src/cli/load_cargo.rs b/crates/rust-analyzer/src/cli/load_cargo.rs
index 45af96317..97367d7c6 100644
--- a/crates/rust-analyzer/src/cli/load_cargo.rs
+++ b/crates/rust-analyzer/src/cli/load_cargo.rs
@@ -111,10 +111,6 @@ pub(crate) fn load(
                         vfs.root2path(root)
                     );
                     analysis_change.add_root(source_root_id, is_local);
-                    analysis_change.set_debug_root_path(
-                        source_root_id,
-                        source_roots[&source_root_id].path().display().to_string(),
-                    );
 
                     let vfs_root_path = vfs.root2path(root);
                     if extern_dirs.contains(&vfs_root_path) {
diff --git a/crates/rust-analyzer/src/global_state.rs b/crates/rust-analyzer/src/global_state.rs
index 96d91b12d..21116e165 100644
--- a/crates/rust-analyzer/src/global_state.rs
+++ b/crates/rust-analyzer/src/global_state.rs
@@ -126,7 +126,6 @@ impl GlobalState {
             let vfs_root_path = vfs.root2path(r);
             let is_local = local_roots.iter().any(|it| vfs_root_path.starts_with(it));
             change.add_root(SourceRootId(r.0), is_local);
-            change.set_debug_root_path(SourceRootId(r.0), vfs_root_path.display().to_string());
 
             // FIXME: add path2root in vfs to simpily this logic
             if extern_dirs.contains(&vfs_root_path) {
-- 
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