Remove vscode_lldb setting

crates/rust-analyzer/src/config.rs

@@ -19,8 +19,6 @@ pub struct Config {
 
     pub with_sysroot: bool,
     pub publish_diagnostics: bool,
-    // TODO: move to experimental capabilities
-    pub vscode_lldb: bool,
     pub lru_capacity: Option<usize>,
     pub proc_macro_srv: Option<String>,
     pub files: FilesConfig,
@@ -78,7 +76,6 @@ fn default() -> Self {
 
             with_sysroot: true,
             publish_diagnostics: true,
-            vscode_lldb: false,
             lru_capacity: None,
             proc_macro_srv: None,
             files: FilesConfig { watcher: FilesWatcher::Notify, exclude: Vec::new() },
@@ -122,7 +119,6 @@ pub fn update(&mut self, value: &serde_json::Value) {
 
         set(value, "/withSysroot", &mut self.with_sysroot);
         set(value, "/featureFlags/lsp.diagnostics", &mut self.publish_diagnostics);
-        set(value, "/vscodeLldb", &mut self.vscode_lldb);
         set(value, "/lruCapacity", &mut self.lru_capacity);
         if let Some(watcher) =  get::<String>(value, "/files/watcher") {
             self.files.watcher = match watcher.as_str() {

crates/rust-analyzer/src/main_loop/handlers.rs

@@ -810,23 +810,21 @@ pub fn handle_code_lens(
         };
         lenses.push(lens);
 
-        if world.config.vscode_lldb {
-            if r.args[0] == "run" {
-                r.args[0] = "build".into();
-            } else {
-                r.args.push("--no-run".into());
-            }
-            let debug_lens = CodeLens {
-                range: r.range,
-                command: Some(Command {
-                    title: "Debug".into(),
-                    command: "rust-analyzer.debugSingle".into(),
-                    arguments: Some(vec![to_value(r).unwrap()]),
-                }),
-                data: None,
-            };
-            lenses.push(debug_lens);
+        if r.args[0] == "run" {
+            r.args[0] = "build".into();
+        } else {
+            r.args.push("--no-run".into());
         }
+        let debug_lens = CodeLens {
+            range: r.range,
+            command: Some(Command {
+                title: "Debug".into(),
+                command: "rust-analyzer.debugSingle".into(),
+                arguments: Some(vec![to_value(r).unwrap()]),
+            }),
+            data: None,
+        };
+        lenses.push(debug_lens);
     }
 
     // Handle impls

editors/code/src/commands/runnables.ts

@@ -66,6 +66,10 @@ export function debugSingle(ctx: Ctx): Cmd {
     return async (config: ra.Runnable) => {
         const editor = ctx.activeRustEditor;
         if (!editor) return;
+        if (!vscode.extensions.getExtension("vadimcn.vscode-lldb")) {
+            vscode.window.showErrorMessage("Install `vadimcn.vscode-lldb` extension for debugging");
+            return;
+        }
 
         const debugConfig = {
             type: "lldb",