3 files changed, 11 insertions, 0 deletions

diff --git a/crates/ra_lsp_server/src/config.rs b/crates/ra_lsp_server/src/config.rs
index 8045f3d60..67942aa41 100644
--- a/crates/ra_lsp_server/src/config.rs
+++ b/crates/ra_lsp_server/src/config.rs
@@ -9,6 +9,7 @@
 
 use rustc_hash::FxHashMap;
 
+use ra_project_model::CargoFeatures;
 use serde::{Deserialize, Deserializer};
 
 /// Client provided initialization options
@@ -37,6 +38,9 @@ pub struct ServerConfig {
 
     /// Fine grained feature flags to disable specific features.
     pub feature_flags: FxHashMap<String, bool>,
+
+    /// Cargo feature configurations.
+    pub cargo_features: CargoFeatures,
 }
 
 impl Default for ServerConfig {
@@ -49,6 +53,7 @@ impl Default for ServerConfig {
             max_inlay_hint_length: None,
             with_sysroot: true,
             feature_flags: FxHashMap::default(),
+            cargo_features: Default::default(),
         }
     }
 }
diff --git a/crates/ra_lsp_server/src/conv.rs b/crates/ra_lsp_server/src/conv.rs
index b13093cfe..5561f6270 100644
--- a/crates/ra_lsp_server/src/conv.rs
+++ b/crates/ra_lsp_server/src/conv.rs
@@ -130,6 +130,11 @@ impl ConvWith<(&LineIndex, LineEndings)> for CompletionItem {
             deprecated: Some(self.deprecated()),
             ..Default::default()
         };
+
+        if self.deprecated() {
+            res.tags = Some(vec![lsp_types::CompletionItemTag::Deprecated])
+        }
+
         res.insert_text_format = Some(match self.insert_text_format() {
             InsertTextFormat::Snippet => lsp_types::InsertTextFormat::Snippet,
             InsertTextFormat::PlainText => lsp_types::InsertTextFormat::PlainText,
diff --git a/crates/ra_lsp_server/src/main_loop.rs b/crates/ra_lsp_server/src/main_loop.rs
index 158cac0be..965e7c53c 100644
--- a/crates/ra_lsp_server/src/main_loop.rs
+++ b/crates/ra_lsp_server/src/main_loop.rs
@@ -67,6 +67,7 @@ pub fn main_loop(
                 let workspace = ra_project_model::ProjectWorkspace::discover_with_sysroot(
                     ws_root.as_path(),
                     config.with_sysroot,
+                    &config.cargo_features,
                 );
                 match workspace {
                     Ok(workspace) => loaded_workspaces.push(workspace),