dap_store.rs

  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    project_settings::ProjectSettings,
 10    terminals::{SshCommand, wrap_for_ssh},
 11    worktree_store::WorktreeStore,
 12};
 13use anyhow::{Result, anyhow};
 14use async_trait::async_trait;
 15use collections::HashMap;
 16use dap::{
 17    Capabilities, CompletionItem, CompletionsArguments, DapRegistry, DebugRequest,
 18    EvaluateArguments, EvaluateArgumentsContext, EvaluateResponse, Source, StackFrameId,
 19    adapters::{
 20        DapStatus, DebugAdapterBinary, DebugAdapterName, DebugTaskDefinition, TcpArguments,
 21    },
 22    client::SessionId,
 23    messages::Message,
 24    requests::{Completions, Evaluate},
 25};
 26use fs::Fs;
 27use futures::future::{Shared, join_all};
 28use gpui::{App, AppContext, AsyncApp, Context, Entity, EventEmitter, SharedString, Task};
 29use http_client::HttpClient;
 30use language::{
 31    BinaryStatus, Buffer, LanguageRegistry, LanguageToolchainStore,
 32    language_settings::InlayHintKind, range_from_lsp,
 33};
 34use lsp::LanguageServerName;
 35use node_runtime::NodeRuntime;
 36
 37use remote::SshRemoteClient;
 38use rpc::{
 39    AnyProtoClient, TypedEnvelope,
 40    proto::{self},
 41};
 42use settings::{Settings, WorktreeId};
 43use smol::lock::Mutex;
 44use std::{
 45    borrow::Borrow,
 46    collections::{BTreeMap, HashSet},
 47    ffi::OsStr,
 48    net::Ipv4Addr,
 49    path::{Path, PathBuf},
 50    sync::{Arc, Once},
 51};
 52use task::{DebugScenario, SpawnInTerminal};
 53use util::ResultExt as _;
 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
 69#[allow(clippy::large_enum_variant)]
 70enum DapStoreMode {
 71    Local(LocalDapStore),
 72    Ssh(SshDapStore),
 73    Collab,
 74}
 75
 76pub struct LocalDapStore {
 77    fs: Arc<dyn Fs>,
 78    node_runtime: NodeRuntime,
 79    http_client: Arc<dyn HttpClient>,
 80    environment: Entity<ProjectEnvironment>,
 81    language_registry: Arc<LanguageRegistry>,
 82    toolchain_store: Arc<dyn LanguageToolchainStore>,
 83}
 84
 85pub struct SshDapStore {
 86    ssh_client: Entity<SshRemoteClient>,
 87    upstream_client: AnyProtoClient,
 88    upstream_project_id: u64,
 89}
 90
 91pub struct DapStore {
 92    mode: DapStoreMode,
 93    downstream_client: Option<(AnyProtoClient, u64)>,
 94    breakpoint_store: Entity<BreakpointStore>,
 95    worktree_store: Entity<WorktreeStore>,
 96    sessions: BTreeMap<SessionId, Entity<Session>>,
 97    next_session_id: u32,
 98}
 99
100impl EventEmitter<DapStoreEvent> for DapStore {}
101
102impl DapStore {
103    pub fn init(client: &AnyProtoClient, cx: &mut App) {
104        static ADD_LOCATORS: Once = Once::new();
105        client.add_entity_request_handler(Self::handle_run_debug_locator);
106        client.add_entity_request_handler(Self::handle_get_debug_adapter_binary);
107        ADD_LOCATORS.call_once(|| {
108            DapRegistry::global(cx)
109                .add_locator("cargo".into(), Arc::new(locators::cargo::CargoLocator {}))
110        });
111    }
112
113    #[expect(clippy::too_many_arguments)]
114    pub fn new_local(
115        http_client: Arc<dyn HttpClient>,
116        node_runtime: NodeRuntime,
117        fs: Arc<dyn Fs>,
118        language_registry: Arc<LanguageRegistry>,
119        environment: Entity<ProjectEnvironment>,
120        toolchain_store: Arc<dyn LanguageToolchainStore>,
121        worktree_store: Entity<WorktreeStore>,
122        breakpoint_store: Entity<BreakpointStore>,
123        cx: &mut Context<Self>,
124    ) -> Self {
125        let mode = DapStoreMode::Local(LocalDapStore {
126            fs,
127            environment,
128            http_client,
129            node_runtime,
130            toolchain_store,
131            language_registry,
132        });
133
134        Self::new(mode, breakpoint_store, worktree_store, cx)
135    }
136
137    pub fn new_ssh(
138        project_id: u64,
139        ssh_client: Entity<SshRemoteClient>,
140        breakpoint_store: Entity<BreakpointStore>,
141        worktree_store: Entity<WorktreeStore>,
142        cx: &mut Context<Self>,
143    ) -> Self {
144        let mode = DapStoreMode::Ssh(SshDapStore {
145            upstream_client: ssh_client.read(cx).proto_client(),
146            ssh_client,
147            upstream_project_id: project_id,
148        });
149
150        Self::new(mode, breakpoint_store, worktree_store, cx)
151    }
152
153    pub fn new_collab(
154        _project_id: u64,
155        _upstream_client: AnyProtoClient,
156        breakpoint_store: Entity<BreakpointStore>,
157        worktree_store: Entity<WorktreeStore>,
158        cx: &mut Context<Self>,
159    ) -> Self {
160        Self::new(DapStoreMode::Collab, breakpoint_store, worktree_store, cx)
161    }
162
163    fn new(
164        mode: DapStoreMode,
165        breakpoint_store: Entity<BreakpointStore>,
166        worktree_store: Entity<WorktreeStore>,
167        _cx: &mut Context<Self>,
168    ) -> Self {
169        Self {
170            mode,
171            next_session_id: 0,
172            downstream_client: None,
173            breakpoint_store,
174            worktree_store,
175            sessions: Default::default(),
176        }
177    }
178
179    pub fn get_debug_adapter_binary(
180        &mut self,
181        definition: DebugTaskDefinition,
182        cx: &mut Context<Self>,
183    ) -> Task<Result<DebugAdapterBinary>> {
184        match &self.mode {
185            DapStoreMode::Local(_) => {
186                let Some(worktree) = self.worktree_store.read(cx).visible_worktrees(cx).next()
187                else {
188                    return Task::ready(Err(anyhow!("Failed to find a worktree")));
189                };
190                let Some(adapter) = DapRegistry::global(cx).adapter(&definition.adapter) else {
191                    return Task::ready(Err(anyhow!("Failed to find a debug adapter")));
192                };
193
194                let user_installed_path = ProjectSettings::get_global(cx)
195                    .dap
196                    .get(&adapter.name())
197                    .and_then(|s| s.binary.as_ref().map(PathBuf::from));
198
199                let delegate = self.delegate(&worktree, cx);
200                let cwd: Arc<Path> = definition
201                    .cwd()
202                    .unwrap_or(worktree.read(cx).abs_path().as_ref())
203                    .into();
204
205                cx.spawn(async move |this, cx| {
206                    let mut binary = adapter
207                        .get_binary(&delegate, &definition, user_installed_path, cx)
208                        .await?;
209
210                    let env = this
211                        .update(cx, |this, cx| {
212                            this.as_local()
213                                .unwrap()
214                                .environment
215                                .update(cx, |environment, cx| {
216                                    environment.get_directory_environment(cwd, cx)
217                                })
218                        })?
219                        .await;
220
221                    if let Some(mut env) = env {
222                        env.extend(std::mem::take(&mut binary.envs));
223                        binary.envs = env;
224                    }
225
226                    Ok(binary)
227                })
228            }
229            DapStoreMode::Ssh(ssh) => {
230                let request = ssh.upstream_client.request(proto::GetDebugAdapterBinary {
231                    project_id: ssh.upstream_project_id,
232                    definition: Some(definition.to_proto()),
233                });
234                let ssh_client = ssh.ssh_client.clone();
235
236                cx.spawn(async move |_, cx| {
237                    let response = request.await?;
238                    let binary = DebugAdapterBinary::from_proto(response)?;
239                    let mut ssh_command = ssh_client.update(cx, |ssh, _| {
240                        anyhow::Ok(SshCommand {
241                            arguments: ssh
242                                .ssh_args()
243                                .ok_or_else(|| anyhow!("SSH arguments not found"))?,
244                        })
245                    })??;
246
247                    let mut connection = None;
248                    if let Some(c) = binary.connection {
249                        let local_bind_addr = Ipv4Addr::new(127, 0, 0, 1);
250                        let port =
251                            dap::transport::TcpTransport::unused_port(local_bind_addr).await?;
252
253                        ssh_command.add_port_forwarding(port, c.host.to_string(), c.port);
254                        connection = Some(TcpArguments {
255                            port: c.port,
256                            host: local_bind_addr,
257                            timeout: c.timeout,
258                        })
259                    }
260
261                    let (program, args) = wrap_for_ssh(
262                        &ssh_command,
263                        Some((&binary.command, &binary.arguments)),
264                        binary.cwd.as_deref(),
265                        binary.envs,
266                        None,
267                    );
268
269                    Ok(DebugAdapterBinary {
270                        command: program,
271                        arguments: args,
272                        envs: HashMap::default(),
273                        cwd: None,
274                        connection,
275                        request_args: binary.request_args,
276                    })
277                })
278            }
279            DapStoreMode::Collab => {
280                Task::ready(Err(anyhow!("Debugging is not yet supported via collab")))
281            }
282        }
283    }
284
285    pub fn debug_scenario_for_build_task(
286        &self,
287        mut build: SpawnInTerminal,
288        unresoved_label: SharedString,
289        adapter: SharedString,
290        cx: &mut App,
291    ) -> Option<DebugScenario> {
292        build.args = build
293            .args
294            .into_iter()
295            .map(|arg| {
296                if arg.starts_with("$") {
297                    arg.strip_prefix("$")
298                        .and_then(|arg| build.env.get(arg).map(ToOwned::to_owned))
299                        .unwrap_or_else(|| arg)
300                } else {
301                    arg
302                }
303            })
304            .collect();
305
306        DapRegistry::global(cx)
307            .locators()
308            .values()
309            .find(|locator| locator.accepts(&build))
310            .map(|_| DebugScenario {
311                adapter,
312                label: format!("Debug `{}`", build.label).into(),
313                build: Some(unresoved_label),
314                request: None,
315                initialize_args: None,
316                tcp_connection: None,
317                stop_on_entry: None,
318            })
319    }
320
321    pub fn run_debug_locator(
322        &mut self,
323        mut build_command: SpawnInTerminal,
324        cx: &mut Context<Self>,
325    ) -> Task<Result<DebugRequest>> {
326        match &self.mode {
327            DapStoreMode::Local(_) => {
328                // Pre-resolve args with existing environment.
329                build_command.args = build_command
330                    .args
331                    .into_iter()
332                    .map(|arg| {
333                        if arg.starts_with("$") {
334                            arg.strip_prefix("$")
335                                .and_then(|arg| build_command.env.get(arg).map(ToOwned::to_owned))
336                                .unwrap_or_else(|| arg)
337                        } else {
338                            arg
339                        }
340                    })
341                    .collect();
342                let locators = DapRegistry::global(cx)
343                    .locators()
344                    .values()
345                    .filter(|locator| locator.accepts(&build_command))
346                    .cloned()
347                    .collect::<Vec<_>>();
348                if !locators.is_empty() {
349                    cx.background_spawn(async move {
350                        for locator in locators {
351                            let result = locator
352                                .run(build_command.clone())
353                                .await
354                                .log_with_level(log::Level::Error);
355                            if let Some(result) = result {
356                                return Ok(result);
357                            }
358                        }
359                        Err(anyhow!(
360                            "None of the locators for task `{}` completed successfully",
361                            build_command.label
362                        ))
363                    })
364                } else {
365                    Task::ready(Err(anyhow!(
366                        "Couldn't find any locator for task `{}`. Specify the `attach` or `launch` arguments in your debug scenario definition",
367                        build_command.label
368                    )))
369                }
370            }
371            DapStoreMode::Ssh(ssh) => {
372                let request = ssh.upstream_client.request(proto::RunDebugLocators {
373                    project_id: ssh.upstream_project_id,
374                    build_command: Some(build_command.to_proto()),
375                });
376                cx.background_spawn(async move {
377                    let response = request.await?;
378                    DebugRequest::from_proto(response)
379                })
380            }
381            DapStoreMode::Collab => {
382                Task::ready(Err(anyhow!("Debugging is not yet supported via collab")))
383            }
384        }
385    }
386
387    fn as_local(&self) -> Option<&LocalDapStore> {
388        match &self.mode {
389            DapStoreMode::Local(local_dap_store) => Some(local_dap_store),
390            _ => None,
391        }
392    }
393
394    pub fn new_session(
395        &mut self,
396        template: DebugTaskDefinition,
397        parent_session: Option<Entity<Session>>,
398        cx: &mut Context<Self>,
399    ) -> Entity<Session> {
400        let session_id = SessionId(util::post_inc(&mut self.next_session_id));
401
402        if let Some(session) = &parent_session {
403            session.update(cx, |session, _| {
404                session.add_child_session_id(session_id);
405            });
406        }
407
408        let session = Session::new(
409            self.breakpoint_store.clone(),
410            session_id,
411            parent_session,
412            template.clone(),
413            cx,
414        );
415
416        self.sessions.insert(session_id, session.clone());
417        cx.notify();
418
419        cx.subscribe(&session, {
420            move |this: &mut DapStore, _, event: &SessionStateEvent, cx| match event {
421                SessionStateEvent::Shutdown => {
422                    this.shutdown_session(session_id, cx).detach_and_log_err(cx);
423                }
424                SessionStateEvent::Restart | SessionStateEvent::SpawnChildSession { .. } => {}
425                SessionStateEvent::Running => {
426                    cx.emit(DapStoreEvent::DebugClientStarted(session_id));
427                }
428            }
429        })
430        .detach();
431
432        session
433    }
434
435    pub fn boot_session(
436        &self,
437        session: Entity<Session>,
438        cx: &mut Context<Self>,
439    ) -> Task<Result<()>> {
440        let Some(worktree) = self.worktree_store.read(cx).visible_worktrees(cx).next() else {
441            return Task::ready(Err(anyhow!("Failed to find a worktree")));
442        };
443
444        let dap_store = cx.weak_entity();
445        let definition = session.read(cx).definition();
446
447        cx.spawn({
448            let session = session.clone();
449            async move |this, cx| {
450                let binary = this
451                    .update(cx, |this, cx| {
452                        this.get_debug_adapter_binary(definition.clone(), cx)
453                    })?
454                    .await?;
455
456                session
457                    .update(cx, |session, cx| {
458                        session.boot(binary, worktree, dap_store, cx)
459                    })?
460                    .await
461            }
462        })
463    }
464
465    pub fn session_by_id(
466        &self,
467        session_id: impl Borrow<SessionId>,
468    ) -> Option<Entity<session::Session>> {
469        let session_id = session_id.borrow();
470        let client = self.sessions.get(session_id).cloned();
471
472        client
473    }
474    pub fn sessions(&self) -> impl Iterator<Item = &Entity<Session>> {
475        self.sessions.values()
476    }
477
478    pub fn capabilities_by_id(
479        &self,
480        session_id: impl Borrow<SessionId>,
481        cx: &App,
482    ) -> Option<Capabilities> {
483        let session_id = session_id.borrow();
484        self.sessions
485            .get(session_id)
486            .map(|client| client.read(cx).capabilities.clone())
487    }
488
489    pub fn breakpoint_store(&self) -> &Entity<BreakpointStore> {
490        &self.breakpoint_store
491    }
492
493    pub fn worktree_store(&self) -> &Entity<WorktreeStore> {
494        &self.worktree_store
495    }
496
497    #[allow(dead_code)]
498    async fn handle_ignore_breakpoint_state(
499        this: Entity<Self>,
500        envelope: TypedEnvelope<proto::IgnoreBreakpointState>,
501        mut cx: AsyncApp,
502    ) -> Result<()> {
503        let session_id = SessionId::from_proto(envelope.payload.session_id);
504
505        this.update(&mut cx, |this, cx| {
506            if let Some(session) = this.session_by_id(&session_id) {
507                session.update(cx, |session, cx| {
508                    session.set_ignore_breakpoints(envelope.payload.ignore, cx)
509                })
510            } else {
511                Task::ready(HashMap::default())
512            }
513        })?
514        .await;
515
516        Ok(())
517    }
518
519    fn delegate(&self, worktree: &Entity<Worktree>, cx: &mut App) -> DapAdapterDelegate {
520        let Some(local_store) = self.as_local() else {
521            unimplemented!("Starting session on remote side");
522        };
523
524        DapAdapterDelegate::new(
525            local_store.fs.clone(),
526            worktree.read(cx).id(),
527            local_store.node_runtime.clone(),
528            local_store.http_client.clone(),
529            local_store.language_registry.clone(),
530            local_store.toolchain_store.clone(),
531            local_store.environment.update(cx, |env, cx| {
532                env.get_worktree_environment(worktree.clone(), cx)
533            }),
534        )
535    }
536
537    pub fn evaluate(
538        &self,
539        session_id: &SessionId,
540        stack_frame_id: u64,
541        expression: String,
542        context: EvaluateArgumentsContext,
543        source: Option<Source>,
544        cx: &mut Context<Self>,
545    ) -> Task<Result<EvaluateResponse>> {
546        let Some(client) = self
547            .session_by_id(session_id)
548            .and_then(|client| client.read(cx).adapter_client())
549        else {
550            return Task::ready(Err(anyhow!("Could not find client: {:?}", session_id)));
551        };
552
553        cx.background_executor().spawn(async move {
554            client
555                .request::<Evaluate>(EvaluateArguments {
556                    expression: expression.clone(),
557                    frame_id: Some(stack_frame_id),
558                    context: Some(context),
559                    format: None,
560                    line: None,
561                    column: None,
562                    source,
563                })
564                .await
565        })
566    }
567
568    pub fn completions(
569        &self,
570        session_id: &SessionId,
571        stack_frame_id: u64,
572        text: String,
573        completion_column: u64,
574        cx: &mut Context<Self>,
575    ) -> Task<Result<Vec<CompletionItem>>> {
576        let Some(client) = self
577            .session_by_id(session_id)
578            .and_then(|client| client.read(cx).adapter_client())
579        else {
580            return Task::ready(Err(anyhow!("Could not find client: {:?}", session_id)));
581        };
582
583        cx.background_executor().spawn(async move {
584            Ok(client
585                .request::<Completions>(CompletionsArguments {
586                    frame_id: Some(stack_frame_id),
587                    line: None,
588                    text,
589                    column: completion_column,
590                })
591                .await?
592                .targets)
593        })
594    }
595
596    pub fn resolve_inline_values(
597        &self,
598        session: Entity<Session>,
599        stack_frame_id: StackFrameId,
600        buffer_handle: Entity<Buffer>,
601        inline_values: Vec<lsp::InlineValue>,
602        cx: &mut Context<Self>,
603    ) -> Task<Result<Vec<InlayHint>>> {
604        let snapshot = buffer_handle.read(cx).snapshot();
605        let all_variables = session.read(cx).variables_by_stack_frame_id(stack_frame_id);
606
607        cx.spawn(async move |_, cx| {
608            let mut inlay_hints = Vec::with_capacity(inline_values.len());
609            for inline_value in inline_values.iter() {
610                match inline_value {
611                    lsp::InlineValue::Text(text) => {
612                        inlay_hints.push(InlayHint {
613                            position: snapshot.anchor_after(range_from_lsp(text.range).end),
614                            label: InlayHintLabel::String(format!(": {}", text.text)),
615                            kind: Some(InlayHintKind::Type),
616                            padding_left: false,
617                            padding_right: false,
618                            tooltip: None,
619                            resolve_state: ResolveState::Resolved,
620                        });
621                    }
622                    lsp::InlineValue::VariableLookup(variable_lookup) => {
623                        let range = range_from_lsp(variable_lookup.range);
624
625                        let mut variable_name = variable_lookup
626                            .variable_name
627                            .clone()
628                            .unwrap_or_else(|| snapshot.text_for_range(range.clone()).collect());
629
630                        if !variable_lookup.case_sensitive_lookup {
631                            variable_name = variable_name.to_ascii_lowercase();
632                        }
633
634                        let Some(variable) = all_variables.iter().find(|variable| {
635                            if variable_lookup.case_sensitive_lookup {
636                                variable.name == variable_name
637                            } else {
638                                variable.name.to_ascii_lowercase() == variable_name
639                            }
640                        }) else {
641                            continue;
642                        };
643
644                        inlay_hints.push(InlayHint {
645                            position: snapshot.anchor_after(range.end),
646                            label: InlayHintLabel::String(format!(": {}", variable.value)),
647                            kind: Some(InlayHintKind::Type),
648                            padding_left: false,
649                            padding_right: false,
650                            tooltip: None,
651                            resolve_state: ResolveState::Resolved,
652                        });
653                    }
654                    lsp::InlineValue::EvaluatableExpression(expression) => {
655                        let range = range_from_lsp(expression.range);
656
657                        let expression = expression
658                            .expression
659                            .clone()
660                            .unwrap_or_else(|| snapshot.text_for_range(range.clone()).collect());
661
662                        let Ok(eval_task) = session.update(cx, |session, _| {
663                            session.mode.request_dap(EvaluateCommand {
664                                expression,
665                                frame_id: Some(stack_frame_id),
666                                source: None,
667                                context: Some(EvaluateArgumentsContext::Variables),
668                            })
669                        }) else {
670                            continue;
671                        };
672
673                        if let Some(response) = eval_task.await.log_err() {
674                            inlay_hints.push(InlayHint {
675                                position: snapshot.anchor_after(range.end),
676                                label: InlayHintLabel::String(format!(": {}", response.result)),
677                                kind: Some(InlayHintKind::Type),
678                                padding_left: false,
679                                padding_right: false,
680                                tooltip: None,
681                                resolve_state: ResolveState::Resolved,
682                            });
683                        };
684                    }
685                };
686            }
687
688            Ok(inlay_hints)
689        })
690    }
691
692    pub fn shutdown_sessions(&mut self, cx: &mut Context<Self>) -> Task<()> {
693        let mut tasks = vec![];
694        for session_id in self.sessions.keys().cloned().collect::<Vec<_>>() {
695            tasks.push(self.shutdown_session(session_id, cx));
696        }
697
698        cx.background_executor().spawn(async move {
699            futures::future::join_all(tasks).await;
700        })
701    }
702
703    pub fn shutdown_session(
704        &mut self,
705        session_id: SessionId,
706        cx: &mut Context<Self>,
707    ) -> Task<Result<()>> {
708        let Some(session) = self.sessions.remove(&session_id) else {
709            return Task::ready(Err(anyhow!("Could not find session: {:?}", session_id)));
710        };
711
712        let shutdown_children = session
713            .read(cx)
714            .child_session_ids()
715            .iter()
716            .map(|session_id| self.shutdown_session(*session_id, cx))
717            .collect::<Vec<_>>();
718
719        let shutdown_parent_task = if let Some(parent_session) = session
720            .read(cx)
721            .parent_id(cx)
722            .and_then(|session_id| self.session_by_id(session_id))
723        {
724            let shutdown_id = parent_session.update(cx, |parent_session, _| {
725                parent_session.remove_child_session_id(session_id);
726
727                if parent_session.child_session_ids().len() == 0 {
728                    Some(parent_session.session_id())
729                } else {
730                    None
731                }
732            });
733
734            shutdown_id.map(|session_id| self.shutdown_session(session_id, cx))
735        } else {
736            None
737        };
738
739        let shutdown_task = session.update(cx, |this, cx| this.shutdown(cx));
740
741        cx.background_spawn(async move {
742            if shutdown_children.len() > 0 {
743                let _ = join_all(shutdown_children).await;
744            }
745
746            shutdown_task.await;
747
748            if let Some(parent_task) = shutdown_parent_task {
749                parent_task.await?;
750            }
751
752            Ok(())
753        })
754    }
755
756    pub fn shared(
757        &mut self,
758        project_id: u64,
759        downstream_client: AnyProtoClient,
760        _: &mut Context<Self>,
761    ) {
762        self.downstream_client = Some((downstream_client.clone(), project_id));
763    }
764
765    pub fn unshared(&mut self, cx: &mut Context<Self>) {
766        self.downstream_client.take();
767
768        cx.notify();
769    }
770
771    async fn handle_run_debug_locator(
772        this: Entity<Self>,
773        envelope: TypedEnvelope<proto::RunDebugLocators>,
774        mut cx: AsyncApp,
775    ) -> Result<proto::DebugRequest> {
776        let task = envelope
777            .payload
778            .build_command
779            .ok_or_else(|| anyhow!("missing definition"))?;
780        let build_task = SpawnInTerminal::from_proto(task);
781        let request = this
782            .update(&mut cx, |this, cx| this.run_debug_locator(build_task, cx))?
783            .await?;
784
785        Ok(request.to_proto())
786    }
787
788    async fn handle_get_debug_adapter_binary(
789        this: Entity<Self>,
790        envelope: TypedEnvelope<proto::GetDebugAdapterBinary>,
791        mut cx: AsyncApp,
792    ) -> Result<proto::DebugAdapterBinary> {
793        let definition = DebugTaskDefinition::from_proto(
794            envelope
795                .payload
796                .definition
797                .ok_or_else(|| anyhow!("missing definition"))?,
798        )?;
799        let binary = this
800            .update(&mut cx, |this, cx| {
801                this.get_debug_adapter_binary(definition, cx)
802            })?
803            .await?;
804        Ok(binary.to_proto())
805    }
806}
807
808#[derive(Clone)]
809pub struct DapAdapterDelegate {
810    fs: Arc<dyn Fs>,
811    worktree_id: WorktreeId,
812    node_runtime: NodeRuntime,
813    http_client: Arc<dyn HttpClient>,
814    language_registry: Arc<LanguageRegistry>,
815    toolchain_store: Arc<dyn LanguageToolchainStore>,
816    updated_adapters: Arc<Mutex<HashSet<DebugAdapterName>>>,
817    load_shell_env_task: Shared<Task<Option<HashMap<String, String>>>>,
818}
819
820impl DapAdapterDelegate {
821    pub fn new(
822        fs: Arc<dyn Fs>,
823        worktree_id: WorktreeId,
824        node_runtime: NodeRuntime,
825        http_client: Arc<dyn HttpClient>,
826        language_registry: Arc<LanguageRegistry>,
827        toolchain_store: Arc<dyn LanguageToolchainStore>,
828        load_shell_env_task: Shared<Task<Option<HashMap<String, String>>>>,
829    ) -> Self {
830        Self {
831            fs,
832            worktree_id,
833            http_client,
834            node_runtime,
835            toolchain_store,
836            language_registry,
837            load_shell_env_task,
838            updated_adapters: Default::default(),
839        }
840    }
841}
842
843#[async_trait(?Send)]
844impl dap::adapters::DapDelegate for DapAdapterDelegate {
845    fn worktree_id(&self) -> WorktreeId {
846        self.worktree_id
847    }
848
849    fn http_client(&self) -> Arc<dyn HttpClient> {
850        self.http_client.clone()
851    }
852
853    fn node_runtime(&self) -> NodeRuntime {
854        self.node_runtime.clone()
855    }
856
857    fn fs(&self) -> Arc<dyn Fs> {
858        self.fs.clone()
859    }
860
861    fn updated_adapters(&self) -> Arc<Mutex<HashSet<DebugAdapterName>>> {
862        self.updated_adapters.clone()
863    }
864
865    fn update_status(&self, dap_name: DebugAdapterName, status: dap::adapters::DapStatus) {
866        let name = SharedString::from(dap_name.to_string());
867        let status = match status {
868            DapStatus::None => BinaryStatus::None,
869            DapStatus::Downloading => BinaryStatus::Downloading,
870            DapStatus::Failed { error } => BinaryStatus::Failed { error },
871            DapStatus::CheckingForUpdate => BinaryStatus::CheckingForUpdate,
872        };
873
874        self.language_registry
875            .update_dap_status(LanguageServerName(name), status);
876    }
877
878    fn which(&self, command: &OsStr) -> Option<PathBuf> {
879        which::which(command).ok()
880    }
881
882    async fn shell_env(&self) -> HashMap<String, String> {
883        let task = self.load_shell_env_task.clone();
884        task.await.unwrap_or_default()
885    }
886
887    fn toolchain_store(&self) -> Arc<dyn LanguageToolchainStore> {
888        self.toolchain_store.clone()
889    }
890}