1use super::{
2 breakpoint_store::BreakpointStore,
3 dap_command::EvaluateCommand,
4 locators,
5 session::{self, Session, SessionStateEvent},
6};
7use crate::{
8 InlayHint, InlayHintLabel, ProjectEnvironment, ResolveState,
9 debugger::session::SessionQuirks,
10 project_settings::{DapBinary, ProjectSettings},
11 worktree_store::WorktreeStore,
12};
13use anyhow::{Context as _, Result, anyhow};
14use async_trait::async_trait;
15use collections::HashMap;
16use dap::{
17 Capabilities, DapRegistry, DebugRequest, EvaluateArgumentsContext, StackFrameId,
18 adapters::{
19 DapDelegate, DebugAdapterBinary, DebugAdapterName, DebugTaskDefinition, TcpArguments,
20 },
21 client::SessionId,
22 inline_value::VariableLookupKind,
23 messages::Message,
24};
25use fs::{Fs, RemoveOptions};
26use futures::{
27 StreamExt, TryStreamExt as _,
28 channel::mpsc::{self, UnboundedSender},
29 future::{Shared, join_all},
30};
31use gpui::{App, AppContext, AsyncApp, Context, Entity, EventEmitter, SharedString, Task};
32use http_client::HttpClient;
33use language::{Buffer, LanguageToolchainStore};
34use node_runtime::NodeRuntime;
35use settings::InlayHintKind;
36
37use remote::RemoteClient;
38use rpc::{
39 AnyProtoClient, TypedEnvelope,
40 proto::{self},
41};
42use serde::{Deserialize, Serialize};
43use settings::{Settings, SettingsLocation, WorktreeId};
44use std::{
45 borrow::Borrow,
46 collections::BTreeMap,
47 ffi::OsStr,
48 net::Ipv4Addr,
49 path::{Path, PathBuf},
50 sync::{Arc, Once},
51};
52use task::{DebugScenario, SpawnInTerminal, TaskContext, TaskTemplate};
53use util::{ResultExt as _, rel_path::RelPath};
54use worktree::Worktree;
55
56#[derive(Debug)]
57pub enum DapStoreEvent {
58 DebugClientStarted(SessionId),
59 DebugSessionInitialized(SessionId),
60 DebugClientShutdown(SessionId),
61 DebugClientEvent {
62 session_id: SessionId,
63 message: Message,
64 },
65 Notification(String),
66 RemoteHasInitialized,
67}
68
69enum DapStoreMode {
70 Local(LocalDapStore),
71 Remote(RemoteDapStore),
72 Collab,
73}
74
75pub struct LocalDapStore {
76 fs: Arc<dyn Fs>,
77 node_runtime: NodeRuntime,
78 http_client: Arc<dyn HttpClient>,
79 environment: Entity<ProjectEnvironment>,
80 toolchain_store: Arc<dyn LanguageToolchainStore>,
81 is_headless: bool,
82}
83
84pub struct RemoteDapStore {
85 remote_client: Entity<RemoteClient>,
86 upstream_client: AnyProtoClient,
87 upstream_project_id: u64,
88 node_runtime: NodeRuntime,
89 http_client: Arc<dyn HttpClient>,
90}
91
92pub struct DapStore {
93 mode: DapStoreMode,
94 downstream_client: Option<(AnyProtoClient, u64)>,
95 breakpoint_store: Entity<BreakpointStore>,
96 worktree_store: Entity<WorktreeStore>,
97 sessions: BTreeMap<SessionId, Entity<Session>>,
98 next_session_id: u32,
99 adapter_options: BTreeMap<DebugAdapterName, Arc<PersistedAdapterOptions>>,
100}
101
102impl EventEmitter<DapStoreEvent> for DapStore {}
103
104#[derive(Clone, Serialize, Deserialize)]
105pub struct PersistedExceptionBreakpoint {
106 pub enabled: bool,
107}
108
109/// Represents best-effort serialization of adapter state during last session (e.g. watches)
110#[derive(Clone, Default, Serialize, Deserialize)]
111pub struct PersistedAdapterOptions {
112 /// Which exception breakpoints were enabled during the last session with this adapter?
113 pub exception_breakpoints: BTreeMap<String, PersistedExceptionBreakpoint>,
114}
115
116impl DapStore {
117 pub fn init(client: &AnyProtoClient, cx: &mut App) {
118 static ADD_LOCATORS: Once = Once::new();
119 ADD_LOCATORS.call_once(|| {
120 let registry = DapRegistry::global(cx);
121 registry.add_locator(Arc::new(locators::cargo::CargoLocator {}));
122 registry.add_locator(Arc::new(locators::go::GoLocator {}));
123 registry.add_locator(Arc::new(locators::node::NodeLocator));
124 registry.add_locator(Arc::new(locators::python::PythonLocator));
125 });
126 client.add_entity_request_handler(Self::handle_run_debug_locator);
127 client.add_entity_request_handler(Self::handle_get_debug_adapter_binary);
128 client.add_entity_message_handler(Self::handle_log_to_debug_console);
129 }
130
131 #[expect(clippy::too_many_arguments)]
132 pub fn new_local(
133 http_client: Arc<dyn HttpClient>,
134 node_runtime: NodeRuntime,
135 fs: Arc<dyn Fs>,
136 environment: Entity<ProjectEnvironment>,
137 toolchain_store: Arc<dyn LanguageToolchainStore>,
138 worktree_store: Entity<WorktreeStore>,
139 breakpoint_store: Entity<BreakpointStore>,
140 is_headless: bool,
141 cx: &mut Context<Self>,
142 ) -> Self {
143 let mode = DapStoreMode::Local(LocalDapStore {
144 fs: fs.clone(),
145 environment,
146 http_client,
147 node_runtime,
148 toolchain_store,
149 is_headless,
150 });
151
152 Self::new(mode, breakpoint_store, worktree_store, fs, cx)
153 }
154
155 pub fn new_remote(
156 project_id: u64,
157 remote_client: Entity<RemoteClient>,
158 breakpoint_store: Entity<BreakpointStore>,
159 worktree_store: Entity<WorktreeStore>,
160 node_runtime: NodeRuntime,
161 http_client: Arc<dyn HttpClient>,
162 fs: Arc<dyn Fs>,
163 cx: &mut Context<Self>,
164 ) -> Self {
165 let mode = DapStoreMode::Remote(RemoteDapStore {
166 upstream_client: remote_client.read(cx).proto_client(),
167 remote_client,
168 upstream_project_id: project_id,
169 node_runtime,
170 http_client,
171 });
172
173 Self::new(mode, breakpoint_store, worktree_store, fs, cx)
174 }
175
176 pub fn new_collab(
177 _project_id: u64,
178 _upstream_client: AnyProtoClient,
179 breakpoint_store: Entity<BreakpointStore>,
180 worktree_store: Entity<WorktreeStore>,
181 fs: Arc<dyn Fs>,
182 cx: &mut Context<Self>,
183 ) -> Self {
184 Self::new(
185 DapStoreMode::Collab,
186 breakpoint_store,
187 worktree_store,
188 fs,
189 cx,
190 )
191 }
192
193 fn new(
194 mode: DapStoreMode,
195 breakpoint_store: Entity<BreakpointStore>,
196 worktree_store: Entity<WorktreeStore>,
197 fs: Arc<dyn Fs>,
198 cx: &mut Context<Self>,
199 ) -> Self {
200 cx.background_spawn(async move {
201 let dir = paths::debug_adapters_dir().join("js-debug-companion");
202
203 let mut children = fs.read_dir(&dir).await?.try_collect::<Vec<_>>().await?;
204 children.sort_by_key(|child| semver::Version::parse(child.file_name()?.to_str()?).ok());
205
206 if let Some(child) = children.last()
207 && let Some(name) = child.file_name()
208 && let Some(name) = name.to_str()
209 && semver::Version::parse(name).is_ok()
210 {
211 children.pop();
212 }
213
214 for child in children {
215 fs.remove_dir(
216 &child,
217 RemoveOptions {
218 recursive: true,
219 ignore_if_not_exists: true,
220 },
221 )
222 .await
223 .ok();
224 }
225
226 anyhow::Ok(())
227 })
228 .detach();
229
230 Self {
231 mode,
232 next_session_id: 0,
233 downstream_client: None,
234 breakpoint_store,
235 worktree_store,
236 sessions: Default::default(),
237 adapter_options: Default::default(),
238 }
239 }
240
241 pub fn get_debug_adapter_binary(
242 &mut self,
243 definition: DebugTaskDefinition,
244 session_id: SessionId,
245 worktree: &Entity<Worktree>,
246 console: UnboundedSender<String>,
247 cx: &mut Context<Self>,
248 ) -> Task<Result<DebugAdapterBinary>> {
249 match &self.mode {
250 DapStoreMode::Local(_) => {
251 let Some(adapter) = DapRegistry::global(cx).adapter(&definition.adapter) else {
252 return Task::ready(Err(anyhow!("Failed to find a debug adapter")));
253 };
254
255 let settings_location = SettingsLocation {
256 worktree_id: worktree.read(cx).id(),
257 path: RelPath::empty(),
258 };
259 let dap_settings = ProjectSettings::get(Some(settings_location), cx)
260 .dap
261 .get(&adapter.name());
262 let user_installed_path = dap_settings.and_then(|s| match &s.binary {
263 DapBinary::Default => None,
264 DapBinary::Custom(binary) => {
265 let path = PathBuf::from(binary);
266 Some(worktree.read(cx).resolve_executable_path(path))
267 }
268 });
269 let user_args = dap_settings.map(|s| s.args.clone());
270 let user_env = dap_settings.map(|s| s.env.clone());
271
272 let delegate = self.delegate(worktree, console, cx);
273
274 let worktree = worktree.clone();
275 cx.spawn(async move |this, cx| {
276 let mut binary = adapter
277 .get_binary(
278 &delegate,
279 &definition,
280 user_installed_path,
281 user_args,
282 user_env,
283 cx,
284 )
285 .await?;
286
287 let env = this
288 .update(cx, |this, cx| {
289 this.as_local()
290 .unwrap()
291 .environment
292 .update(cx, |environment, cx| {
293 environment.worktree_environment(worktree, cx)
294 })
295 })?
296 .await;
297
298 if let Some(mut env) = env {
299 env.extend(std::mem::take(&mut binary.envs));
300 binary.envs = env;
301 }
302
303 Ok(binary)
304 })
305 }
306 DapStoreMode::Remote(remote) => {
307 let request = remote
308 .upstream_client
309 .request(proto::GetDebugAdapterBinary {
310 session_id: session_id.to_proto(),
311 project_id: remote.upstream_project_id,
312 worktree_id: worktree.read(cx).id().to_proto(),
313 definition: Some(definition.to_proto()),
314 });
315 let remote = remote.remote_client.clone();
316
317 cx.spawn(async move |_, cx| {
318 let response = request.await?;
319 let binary = DebugAdapterBinary::from_proto(response)?;
320
321 let port_forwarding;
322 let connection;
323 if let Some(c) = binary.connection {
324 let host = Ipv4Addr::LOCALHOST;
325 let port;
326 if remote.read_with(cx, |remote, _cx| remote.shares_network_interface()) {
327 port = c.port;
328 port_forwarding = None;
329 } else {
330 port = dap::transport::TcpTransport::unused_port(host).await?;
331 port_forwarding = Some((port, c.host.to_string(), c.port));
332 }
333 connection = Some(TcpArguments {
334 port,
335 host,
336 timeout: c.timeout,
337 })
338 } else {
339 port_forwarding = None;
340 connection = None;
341 }
342
343 let command = remote.read_with(cx, |remote, _cx| {
344 remote.build_command(
345 binary.command,
346 &binary.arguments,
347 &binary.envs,
348 binary.cwd.map(|path| path.display().to_string()),
349 port_forwarding,
350 )
351 })?;
352
353 Ok(DebugAdapterBinary {
354 command: Some(command.program),
355 arguments: command.args,
356 envs: command.env,
357 cwd: None,
358 connection,
359 request_args: binary.request_args,
360 })
361 })
362 }
363 DapStoreMode::Collab => {
364 Task::ready(Err(anyhow!("Debugging is not yet supported via collab")))
365 }
366 }
367 }
368
369 pub fn debug_scenario_for_build_task(
370 &self,
371 build: TaskTemplate,
372 adapter: DebugAdapterName,
373 label: SharedString,
374 cx: &mut App,
375 ) -> Task<Option<DebugScenario>> {
376 let locators = DapRegistry::global(cx).locators();
377
378 cx.background_spawn(async move {
379 for locator in locators.values() {
380 if let Some(scenario) = locator.create_scenario(&build, &label, &adapter).await {
381 return Some(scenario);
382 }
383 }
384 None
385 })
386 }
387
388 pub fn run_debug_locator(
389 &mut self,
390 locator_name: &str,
391 build_command: SpawnInTerminal,
392 cx: &mut Context<Self>,
393 ) -> Task<Result<DebugRequest>> {
394 match &self.mode {
395 DapStoreMode::Local(_) => {
396 // Pre-resolve args with existing environment.
397 let locators = DapRegistry::global(cx).locators();
398 let locator = locators.get(locator_name);
399
400 if let Some(locator) = locator.cloned() {
401 cx.background_spawn(async move {
402 let result = locator
403 .run(build_command.clone())
404 .await
405 .log_with_level(log::Level::Error);
406 if let Some(result) = result {
407 return Ok(result);
408 }
409
410 anyhow::bail!(
411 "None of the locators for task `{}` completed successfully",
412 build_command.label
413 )
414 })
415 } else {
416 Task::ready(Err(anyhow!(
417 "Couldn't find any locator for task `{}`. Specify the `attach` or `launch` arguments in your debug scenario definition",
418 build_command.label
419 )))
420 }
421 }
422 DapStoreMode::Remote(remote) => {
423 let request = remote.upstream_client.request(proto::RunDebugLocators {
424 project_id: remote.upstream_project_id,
425 build_command: Some(build_command.to_proto()),
426 locator: locator_name.to_owned(),
427 });
428 cx.background_spawn(async move {
429 let response = request.await?;
430 DebugRequest::from_proto(response)
431 })
432 }
433 DapStoreMode::Collab => {
434 Task::ready(Err(anyhow!("Debugging is not yet supported via collab")))
435 }
436 }
437 }
438
439 fn as_local(&self) -> Option<&LocalDapStore> {
440 match &self.mode {
441 DapStoreMode::Local(local_dap_store) => Some(local_dap_store),
442 _ => None,
443 }
444 }
445
446 pub fn new_session(
447 &mut self,
448 label: Option<SharedString>,
449 adapter: DebugAdapterName,
450 task_context: TaskContext,
451 parent_session: Option<Entity<Session>>,
452 quirks: SessionQuirks,
453 cx: &mut Context<Self>,
454 ) -> Entity<Session> {
455 let session_id = SessionId(util::post_inc(&mut self.next_session_id));
456
457 if let Some(session) = &parent_session {
458 session.update(cx, |session, _| {
459 session.add_child_session_id(session_id);
460 });
461 }
462
463 let (remote_client, node_runtime, http_client) = match &self.mode {
464 DapStoreMode::Local(_) => (None, None, None),
465 DapStoreMode::Remote(remote_dap_store) => (
466 Some(remote_dap_store.remote_client.clone()),
467 Some(remote_dap_store.node_runtime.clone()),
468 Some(remote_dap_store.http_client.clone()),
469 ),
470 DapStoreMode::Collab => (None, None, None),
471 };
472 let session = Session::new(
473 self.breakpoint_store.clone(),
474 session_id,
475 parent_session,
476 label,
477 adapter,
478 task_context,
479 quirks,
480 remote_client,
481 node_runtime,
482 http_client,
483 cx,
484 );
485
486 self.sessions.insert(session_id, session.clone());
487 cx.notify();
488
489 cx.subscribe(&session, {
490 move |this: &mut DapStore, _, event: &SessionStateEvent, cx| match event {
491 SessionStateEvent::Shutdown => {
492 this.shutdown_session(session_id, cx).detach_and_log_err(cx);
493 }
494 SessionStateEvent::Restart | SessionStateEvent::SpawnChildSession { .. } => {}
495 SessionStateEvent::Running => {
496 cx.emit(DapStoreEvent::DebugClientStarted(session_id));
497 }
498 }
499 })
500 .detach();
501
502 session
503 }
504
505 pub fn boot_session(
506 &self,
507 session: Entity<Session>,
508 definition: DebugTaskDefinition,
509 worktree: Entity<Worktree>,
510 cx: &mut Context<Self>,
511 ) -> Task<Result<()>> {
512 let dap_store = cx.weak_entity();
513 let console = session.update(cx, |session, cx| session.console_output(cx));
514 let session_id = session.read(cx).session_id();
515
516 cx.spawn({
517 let session = session.clone();
518 async move |this, cx| {
519 let binary = this
520 .update(cx, |this, cx| {
521 this.get_debug_adapter_binary(
522 definition.clone(),
523 session_id,
524 &worktree,
525 console,
526 cx,
527 )
528 })?
529 .await?;
530 session
531 .update(cx, |session, cx| {
532 session.boot(binary, worktree, dap_store, cx)
533 })
534 .await
535 }
536 })
537 }
538
539 pub fn session_by_id(
540 &self,
541 session_id: impl Borrow<SessionId>,
542 ) -> Option<Entity<session::Session>> {
543 let session_id = session_id.borrow();
544
545 self.sessions.get(session_id).cloned()
546 }
547 pub fn sessions(&self) -> impl Iterator<Item = &Entity<Session>> {
548 self.sessions.values()
549 }
550
551 pub fn capabilities_by_id(
552 &self,
553 session_id: impl Borrow<SessionId>,
554 cx: &App,
555 ) -> Option<Capabilities> {
556 let session_id = session_id.borrow();
557 self.sessions
558 .get(session_id)
559 .map(|client| client.read(cx).capabilities.clone())
560 }
561
562 pub fn breakpoint_store(&self) -> &Entity<BreakpointStore> {
563 &self.breakpoint_store
564 }
565
566 pub fn worktree_store(&self) -> &Entity<WorktreeStore> {
567 &self.worktree_store
568 }
569
570 #[allow(dead_code)]
571 async fn handle_ignore_breakpoint_state(
572 this: Entity<Self>,
573 envelope: TypedEnvelope<proto::IgnoreBreakpointState>,
574 mut cx: AsyncApp,
575 ) -> Result<()> {
576 let session_id = SessionId::from_proto(envelope.payload.session_id);
577
578 this.update(&mut cx, |this, cx| {
579 if let Some(session) = this.session_by_id(&session_id) {
580 session.update(cx, |session, cx| {
581 session.set_ignore_breakpoints(envelope.payload.ignore, cx)
582 })
583 } else {
584 Task::ready(HashMap::default())
585 }
586 })
587 .await;
588
589 Ok(())
590 }
591
592 fn delegate(
593 &self,
594 worktree: &Entity<Worktree>,
595 console: UnboundedSender<String>,
596 cx: &mut App,
597 ) -> Arc<dyn DapDelegate> {
598 let Some(local_store) = self.as_local() else {
599 unimplemented!("Starting session on remote side");
600 };
601
602 Arc::new(DapAdapterDelegate::new(
603 local_store.fs.clone(),
604 worktree.read(cx).snapshot(),
605 console,
606 local_store.node_runtime.clone(),
607 local_store.http_client.clone(),
608 local_store.toolchain_store.clone(),
609 local_store
610 .environment
611 .update(cx, |env, cx| env.worktree_environment(worktree.clone(), cx)),
612 local_store.is_headless,
613 ))
614 }
615
616 pub fn resolve_inline_value_locations(
617 &self,
618 session: Entity<Session>,
619 stack_frame_id: StackFrameId,
620 buffer_handle: Entity<Buffer>,
621 inline_value_locations: Vec<dap::inline_value::InlineValueLocation>,
622 cx: &mut Context<Self>,
623 ) -> Task<Result<Vec<InlayHint>>> {
624 let snapshot = buffer_handle.read(cx).snapshot();
625 let local_variables =
626 session
627 .read(cx)
628 .variables_by_stack_frame_id(stack_frame_id, false, true);
629 let global_variables =
630 session
631 .read(cx)
632 .variables_by_stack_frame_id(stack_frame_id, true, false);
633
634 fn format_value(mut value: String) -> String {
635 const LIMIT: usize = 100;
636
637 if let Some(index) = value.find("\n") {
638 value.truncate(index);
639 value.push_str("…");
640 }
641
642 if value.len() > LIMIT {
643 let mut index = LIMIT;
644 // If index isn't a char boundary truncate will cause a panic
645 while !value.is_char_boundary(index) {
646 index -= 1;
647 }
648 value.truncate(index);
649 value.push_str("…");
650 }
651
652 format!(": {}", value)
653 }
654
655 cx.spawn(async move |_, cx| {
656 let mut inlay_hints = Vec::with_capacity(inline_value_locations.len());
657 for inline_value_location in inline_value_locations.iter() {
658 let point = snapshot.point_to_point_utf16(language::Point::new(
659 inline_value_location.row as u32,
660 inline_value_location.column as u32,
661 ));
662 let position = snapshot.anchor_after(point);
663
664 match inline_value_location.lookup {
665 VariableLookupKind::Variable => {
666 let variable_search =
667 if inline_value_location.scope
668 == dap::inline_value::VariableScope::Local
669 {
670 local_variables.iter().chain(global_variables.iter()).find(
671 |variable| variable.name == inline_value_location.variable_name,
672 )
673 } else {
674 global_variables.iter().find(|variable| {
675 variable.name == inline_value_location.variable_name
676 })
677 };
678
679 let Some(variable) = variable_search else {
680 continue;
681 };
682
683 inlay_hints.push(InlayHint {
684 position,
685 label: InlayHintLabel::String(format_value(variable.value.clone())),
686 kind: Some(InlayHintKind::Type),
687 padding_left: false,
688 padding_right: false,
689 tooltip: None,
690 resolve_state: ResolveState::Resolved,
691 });
692 }
693 VariableLookupKind::Expression => {
694 let eval_task = session.read_with(cx, |session, _| {
695 session.state.request_dap(EvaluateCommand {
696 expression: inline_value_location.variable_name.clone(),
697 frame_id: Some(stack_frame_id),
698 source: None,
699 context: Some(EvaluateArgumentsContext::Variables),
700 })
701 });
702
703 if let Some(response) = eval_task.await.log_err() {
704 inlay_hints.push(InlayHint {
705 position,
706 label: InlayHintLabel::String(format_value(response.result)),
707 kind: Some(InlayHintKind::Type),
708 padding_left: false,
709 padding_right: false,
710 tooltip: None,
711 resolve_state: ResolveState::Resolved,
712 });
713 };
714 }
715 };
716 }
717
718 Ok(inlay_hints)
719 })
720 }
721
722 pub fn shutdown_sessions(&mut self, cx: &mut Context<Self>) -> Task<()> {
723 let mut tasks = vec![];
724 for session_id in self.sessions.keys().cloned().collect::<Vec<_>>() {
725 tasks.push(self.shutdown_session(session_id, cx));
726 }
727
728 cx.background_executor().spawn(async move {
729 futures::future::join_all(tasks).await;
730 })
731 }
732
733 pub fn shutdown_session(
734 &mut self,
735 session_id: SessionId,
736 cx: &mut Context<Self>,
737 ) -> Task<Result<()>> {
738 let Some(session) = self.sessions.remove(&session_id) else {
739 return Task::ready(Err(anyhow!("Could not find session: {:?}", session_id)));
740 };
741
742 let shutdown_children = session
743 .read(cx)
744 .child_session_ids()
745 .iter()
746 .map(|session_id| self.shutdown_session(*session_id, cx))
747 .collect::<Vec<_>>();
748
749 let shutdown_parent_task = if let Some(parent_session) = session
750 .read(cx)
751 .parent_id(cx)
752 .and_then(|session_id| self.session_by_id(session_id))
753 {
754 let shutdown_id = parent_session.update(cx, |parent_session, _| {
755 parent_session.remove_child_session_id(session_id);
756
757 if parent_session.child_session_ids().is_empty() {
758 Some(parent_session.session_id())
759 } else {
760 None
761 }
762 });
763
764 shutdown_id.map(|session_id| self.shutdown_session(session_id, cx))
765 } else {
766 None
767 };
768
769 let shutdown_task = session.update(cx, |this, cx| this.shutdown(cx));
770
771 cx.emit(DapStoreEvent::DebugClientShutdown(session_id));
772
773 cx.background_spawn(async move {
774 if !shutdown_children.is_empty() {
775 let _ = join_all(shutdown_children).await;
776 }
777
778 shutdown_task.await;
779
780 if let Some(parent_task) = shutdown_parent_task {
781 parent_task.await?;
782 }
783
784 Ok(())
785 })
786 }
787
788 pub fn shared(
789 &mut self,
790 project_id: u64,
791 downstream_client: AnyProtoClient,
792 _: &mut Context<Self>,
793 ) {
794 self.downstream_client = Some((downstream_client, project_id));
795 }
796
797 pub fn unshared(&mut self, cx: &mut Context<Self>) {
798 self.downstream_client.take();
799
800 cx.notify();
801 }
802
803 async fn handle_run_debug_locator(
804 this: Entity<Self>,
805 envelope: TypedEnvelope<proto::RunDebugLocators>,
806 mut cx: AsyncApp,
807 ) -> Result<proto::DebugRequest> {
808 let task = envelope
809 .payload
810 .build_command
811 .context("missing definition")?;
812 let build_task = SpawnInTerminal::from_proto(task);
813 let locator = envelope.payload.locator;
814 let request = this
815 .update(&mut cx, |this, cx| {
816 this.run_debug_locator(&locator, build_task, cx)
817 })
818 .await?;
819
820 Ok(request.to_proto())
821 }
822
823 async fn handle_get_debug_adapter_binary(
824 this: Entity<Self>,
825 envelope: TypedEnvelope<proto::GetDebugAdapterBinary>,
826 mut cx: AsyncApp,
827 ) -> Result<proto::DebugAdapterBinary> {
828 let definition = DebugTaskDefinition::from_proto(
829 envelope.payload.definition.context("missing definition")?,
830 )?;
831 let (tx, mut rx) = mpsc::unbounded();
832 let session_id = envelope.payload.session_id;
833 cx.spawn({
834 let this = this.clone();
835 async move |cx| {
836 while let Some(message) = rx.next().await {
837 this.read_with(cx, |this, _| {
838 if let Some((downstream, project_id)) = this.downstream_client.clone() {
839 downstream
840 .send(proto::LogToDebugConsole {
841 project_id,
842 session_id,
843 message,
844 })
845 .ok();
846 }
847 });
848 }
849 }
850 })
851 .detach();
852
853 let worktree = this
854 .update(&mut cx, |this, cx| {
855 this.worktree_store
856 .read(cx)
857 .worktree_for_id(WorktreeId::from_proto(envelope.payload.worktree_id), cx)
858 })
859 .context("Failed to find worktree with a given ID")?;
860 let binary = this
861 .update(&mut cx, |this, cx| {
862 this.get_debug_adapter_binary(
863 definition,
864 SessionId::from_proto(session_id),
865 &worktree,
866 tx,
867 cx,
868 )
869 })
870 .await?;
871 Ok(binary.to_proto())
872 }
873
874 async fn handle_log_to_debug_console(
875 this: Entity<Self>,
876 envelope: TypedEnvelope<proto::LogToDebugConsole>,
877 mut cx: AsyncApp,
878 ) -> Result<()> {
879 let session_id = SessionId::from_proto(envelope.payload.session_id);
880 this.update(&mut cx, |this, cx| {
881 let Some(session) = this.sessions.get(&session_id) else {
882 return;
883 };
884 session.update(cx, |session, cx| {
885 session
886 .console_output(cx)
887 .unbounded_send(envelope.payload.message)
888 .ok();
889 })
890 });
891 Ok(())
892 }
893
894 pub fn sync_adapter_options(
895 &mut self,
896 session: &Entity<Session>,
897 cx: &App,
898 ) -> Arc<PersistedAdapterOptions> {
899 let session = session.read(cx);
900 let adapter = session.adapter();
901 let exceptions = session.exception_breakpoints();
902 let exception_breakpoints = exceptions
903 .map(|(exception, enabled)| {
904 (
905 exception.filter.clone(),
906 PersistedExceptionBreakpoint { enabled: *enabled },
907 )
908 })
909 .collect();
910 let options = Arc::new(PersistedAdapterOptions {
911 exception_breakpoints,
912 });
913 self.adapter_options.insert(adapter, options.clone());
914 options
915 }
916
917 pub fn set_adapter_options(
918 &mut self,
919 adapter: DebugAdapterName,
920 options: PersistedAdapterOptions,
921 ) {
922 self.adapter_options.insert(adapter, Arc::new(options));
923 }
924
925 pub fn adapter_options(&self, name: &str) -> Option<Arc<PersistedAdapterOptions>> {
926 self.adapter_options.get(name).cloned()
927 }
928
929 pub fn all_adapter_options(&self) -> &BTreeMap<DebugAdapterName, Arc<PersistedAdapterOptions>> {
930 &self.adapter_options
931 }
932}
933
934#[derive(Clone)]
935pub struct DapAdapterDelegate {
936 fs: Arc<dyn Fs>,
937 console: mpsc::UnboundedSender<String>,
938 worktree: worktree::Snapshot,
939 node_runtime: NodeRuntime,
940 http_client: Arc<dyn HttpClient>,
941 toolchain_store: Arc<dyn LanguageToolchainStore>,
942 load_shell_env_task: Shared<Task<Option<HashMap<String, String>>>>,
943 is_headless: bool,
944}
945
946impl DapAdapterDelegate {
947 pub fn new(
948 fs: Arc<dyn Fs>,
949 worktree: worktree::Snapshot,
950 status: mpsc::UnboundedSender<String>,
951 node_runtime: NodeRuntime,
952 http_client: Arc<dyn HttpClient>,
953 toolchain_store: Arc<dyn LanguageToolchainStore>,
954 load_shell_env_task: Shared<Task<Option<HashMap<String, String>>>>,
955 is_headless: bool,
956 ) -> Self {
957 Self {
958 fs,
959 console: status,
960 worktree,
961 http_client,
962 node_runtime,
963 toolchain_store,
964 load_shell_env_task,
965 is_headless,
966 }
967 }
968}
969
970#[async_trait]
971impl dap::adapters::DapDelegate for DapAdapterDelegate {
972 fn worktree_id(&self) -> WorktreeId {
973 self.worktree.id()
974 }
975
976 fn worktree_root_path(&self) -> &Path {
977 self.worktree.abs_path()
978 }
979 fn http_client(&self) -> Arc<dyn HttpClient> {
980 self.http_client.clone()
981 }
982
983 fn node_runtime(&self) -> NodeRuntime {
984 self.node_runtime.clone()
985 }
986
987 fn fs(&self) -> Arc<dyn Fs> {
988 self.fs.clone()
989 }
990
991 fn output_to_console(&self, msg: String) {
992 self.console.unbounded_send(msg).ok();
993 }
994
995 #[cfg(not(target_os = "windows"))]
996 async fn which(&self, command: &OsStr) -> Option<PathBuf> {
997 let worktree_abs_path = self.worktree.abs_path();
998 let shell_path = self.shell_env().await.get("PATH").cloned();
999 which::which_in(command, shell_path.as_ref(), worktree_abs_path).ok()
1000 }
1001
1002 #[cfg(target_os = "windows")]
1003 async fn which(&self, command: &OsStr) -> Option<PathBuf> {
1004 // On Windows, `PATH` is handled differently from Unix. Windows generally expects users to modify the `PATH` themselves,
1005 // and every program loads it directly from the system at startup.
1006 // There's also no concept of a default shell on Windows, and you can't really retrieve one, so trying to get shell environment variables
1007 // from a specific directory doesn’t make sense on Windows.
1008 which::which(command).ok()
1009 }
1010
1011 async fn shell_env(&self) -> HashMap<String, String> {
1012 let task = self.load_shell_env_task.clone();
1013 task.await.unwrap_or_default()
1014 }
1015
1016 fn toolchain_store(&self) -> Arc<dyn LanguageToolchainStore> {
1017 self.toolchain_store.clone()
1018 }
1019
1020 async fn read_text_file(&self, path: &RelPath) -> Result<String> {
1021 let entry = self
1022 .worktree
1023 .entry_for_path(path)
1024 .with_context(|| format!("no worktree entry for path {path:?}"))?;
1025 let abs_path = self.worktree.absolutize(&entry.path);
1026
1027 self.fs.load(&abs_path).await
1028 }
1029
1030 fn is_headless(&self) -> bool {
1031 self.is_headless
1032 }
1033}