Create new debugger config format

helix-core/src/syntax.rs

@@ -57,10 +57,7 @@ pub struct LanguageConfiguration {
     #[serde(skip)]
     pub(crate) indent_query: OnceCell<Option<IndentQuery>>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub debug_adapter: Option<DebugAdapterConfig>,
-    // TODO: names for those
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub debug_configs: Option<Vec<HashMap<String, serde_json::Value>>>,
+    pub debugger: Option<DebugAdapterConfig>,
 }
 
 #[derive(Debug, Serialize, Deserialize)]

helix-dap/src/client.rs

@@ -225,7 +225,9 @@ impl Client {
     }
 
     pub fn capabilities(&self) -> &DebuggerCapabilities {
-        self.caps.as_ref().expect("debugger not yet initialized!")
+        self.caps
+            .as_ref()
+            .expect("debugger not yet initialized!")
     }
 
     pub async fn initialize(&mut self, adapter_id: String) -> Result<()> {

helix-dap/src/types.rs

@@ -1,6 +1,14 @@
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
-use std::path::PathBuf;
+use std::{collections::HashMap, path::PathBuf};
+
+#[derive(Debug, PartialEq, Clone, Deserialize, Serialize)]
+#[serde(rename_all = "kebab-case")]
+pub struct DebugTemplate {
+    pub name: String,
+    pub request: String,
+    pub args: HashMap<String, Value>
+}
 
 #[derive(Debug, PartialEq, Clone, Deserialize, Serialize)]
 #[serde(rename_all = "kebab-case")]
@@ -10,6 +18,7 @@ pub struct DebugAdapterConfig {
     pub command: String,
     pub args: Vec<String>,
     pub port_arg: Option<String>,
+    pub templates: Vec<DebugTemplate>,
 }
 
 pub trait Request {

helix-term/src/commands.rs

@@ -4392,7 +4392,6 @@ fn dap_start(cx: &mut Context) {
 
     let (_, doc) = current!(cx.editor);
 
-    // TODO config picker
     let path = match doc.path() {
         Some(path) => path.to_path_buf(),
         None => {
@@ -4406,7 +4405,7 @@ fn dap_start(cx: &mut Context) {
         .editor
         .syn_loader
         .language_config_for_file_name(&path)
-        .and_then(|x| x.debug_adapter.clone());
+        .and_then(|x| x.debugger.clone());
     let config = match config {
         Some(c) => c,
         None => {
@@ -4416,30 +4415,26 @@ fn dap_start(cx: &mut Context) {
             return;
         }
     };
+
     let started = Client::process(config.clone(), 0);
     let (mut debugger, events) = block_on(started).unwrap();
 
-    let request = debugger.initialize(config.name);
+    let request = debugger.initialize(config.name.clone());
     let _ = block_on(request).unwrap();
 
-    let sessions = doc.language_config().and_then(|x| x.debug_configs.clone());
+    // TODO: picker
+    let start_config = config.templates.get(0).unwrap();
+    let args = to_value(start_config.args.clone()).unwrap();
 
-    let sessions = match sessions {
-        Some(c) => c,
-        None => {
-            cx.editor.set_error(
-                "Can't start debug: no debug sessions available for language".to_string(),
-            );
+    match &start_config.request[..] {
+        "launch" => block_on(debugger.launch(args)).unwrap(),
+        "attach" => block_on(debugger.attach(args)).unwrap(),
+        _ => {
+            cx.editor.set_error("Unsupported request".to_string());
             return;
         }
     };
 
-    // TODO: picker
-    let args = sessions.get(0);
-
-    let request = debugger.launch(to_value(args).unwrap());
-    let _ = block_on(request).unwrap();
-
     // TODO: either await "initialized" or buffer commands until event is received
     cx.editor.debugger = Some(debugger);
     let stream = UnboundedReceiverStream::new(events);

languages.toml

@@ -19,11 +19,6 @@ 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"
@@ -74,11 +69,6 @@ comment-token = "//"
 
 language-server = { command = "clangd" }
 indent = { tab-width = 2, unit = "  " }
-debug-adapter = { name = "lldb", transport = "tcp", command = "lldb-vscode", args = [], port-arg = "-p {}" }
-
-[[language.debug-configs]]
-console = "internalConsole"
-program = "main"
 
 [[language]]
 name = "cpp"
@@ -90,11 +80,6 @@ comment-token = "//"
 
 language-server = { command = "clangd" }
 indent = { tab-width = 2, unit = "  " }
-debug-adapter = { name = "lldb", transport = "tcp", command = "lldb-vscode", args = [], port-arg = "-p {}" }
-
-[[language.debug-configs]]
-console = "internalConsole"
-program = "main"
 
 [[language]]
 name = "go"
@@ -108,19 +93,28 @@ comment-token = "//"
 language-server = { command = "gopls" }
 # TODO: gopls needs utf-8 offsets?
 indent = { tab-width = 4, unit = "\t" }
-debug-adapter = { name = "go", transport = "tcp", command = "dlv", args = ["dap"], port-arg = "-l 127.0.0.1:{}" }
 
-[[language.debug-configs]]
-mode = "debug"
-program = "main.go"
+[language.debugger]
+name = "go"
+transport = "tcp"
+command = "dlv"
+args = ["dap"]
+port-arg = "-l 127.0.0.1:{}"
 
-[[language.debug-configs]]
-mode = "exec"
-program = "main"
+[[language.debugger.templates]]
+name = "source"
+request = "launch"
+args = { mode = "debug", program = "main.go" }
 
-[[language.debug-configs]]
-mode = "test"
-program = "."
+[[language.debugger.templates]]
+name = "binary"
+request = "launch"
+args = { mode = "exec", program = "main" }
+
+[[language.debugger.templates]]
+name = "test"
+request = "launch"
+args = { mode = "test", program = "." }
 
 [[language]]
 name = "javascript"