languages: support debug for Rust with LLDB

helix-term/src/application.rs

@@ -324,6 +324,7 @@ impl Application {
                             .unwrap();
 
                         let (view, doc) = current!(self.editor);
+                        log::info!("{:?}", doc);
                         let start = doc.text().line_to_char(line - 1) + column;
                         if let Some(end_line) = end_line {
                             let end =

languages.toml

@@ -19,6 +19,11 @@ config = """
 
 language-server = { command = "rust-analyzer" }
 indent = { tab-width = 4, unit = "    " }
+debug-adapter = { name = "lldb", transport = "tcp", command = "lldb-vscode", args = [], port-arg = "-p {}" }
+
+[[language.debug-configs]]
+console = "internalConsole"
+program = "target/debug/rustdebug"
 
 [[language]]
 name = "toml"