1pub mod fs;
2mod ignore;
3pub mod worktree;
4
5use anyhow::{anyhow, Result};
6use client::{proto, Client, PeerId, TypedEnvelope, User, UserStore};
7use clock::ReplicaId;
8use collections::{hash_map, HashMap, HashSet};
9use futures::Future;
10use fuzzy::{PathMatch, PathMatchCandidate, PathMatchCandidateSet};
11use gpui::{
12 AppContext, AsyncAppContext, Entity, ModelContext, ModelHandle, MutableAppContext, Task,
13 WeakModelHandle,
14};
15use language::{
16 point_from_lsp,
17 proto::{deserialize_anchor, serialize_anchor},
18 range_from_lsp, Bias, Buffer, CodeAction, Completion, CompletionLabel, Diagnostic,
19 DiagnosticEntry, File as _, Language, LanguageRegistry, PointUtf16, ToLspPosition,
20 ToPointUtf16, Transaction,
21};
22use lsp::{DiagnosticSeverity, LanguageServer};
23use postage::{prelude::Stream, watch};
24use smol::block_on;
25use std::{
26 convert::TryInto,
27 ops::Range,
28 path::{Path, PathBuf},
29 sync::{atomic::AtomicBool, Arc},
30 time::Instant,
31};
32use util::{post_inc, ResultExt, TryFutureExt as _};
33
34pub use fs::*;
35pub use worktree::*;
36
37pub struct Project {
38 worktrees: Vec<WorktreeHandle>,
39 active_entry: Option<ProjectEntry>,
40 languages: Arc<LanguageRegistry>,
41 language_servers: HashMap<(WorktreeId, String), Arc<LanguageServer>>,
42 client: Arc<client::Client>,
43 user_store: ModelHandle<UserStore>,
44 fs: Arc<dyn Fs>,
45 client_state: ProjectClientState,
46 collaborators: HashMap<PeerId, Collaborator>,
47 subscriptions: Vec<client::Subscription>,
48 language_servers_with_diagnostics_running: isize,
49 open_buffers: HashMap<usize, WeakModelHandle<Buffer>>,
50 loading_buffers: HashMap<
51 ProjectPath,
52 postage::watch::Receiver<Option<Result<ModelHandle<Buffer>, Arc<anyhow::Error>>>>,
53 >,
54 shared_buffers: HashMap<PeerId, HashMap<u64, ModelHandle<Buffer>>>,
55}
56
57enum WorktreeHandle {
58 Strong(ModelHandle<Worktree>),
59 Weak(WeakModelHandle<Worktree>),
60}
61
62enum ProjectClientState {
63 Local {
64 is_shared: bool,
65 remote_id_tx: watch::Sender<Option<u64>>,
66 remote_id_rx: watch::Receiver<Option<u64>>,
67 _maintain_remote_id_task: Task<Option<()>>,
68 },
69 Remote {
70 sharing_has_stopped: bool,
71 remote_id: u64,
72 replica_id: ReplicaId,
73 },
74}
75
76#[derive(Clone, Debug)]
77pub struct Collaborator {
78 pub user: Arc<User>,
79 pub peer_id: PeerId,
80 pub replica_id: ReplicaId,
81}
82
83#[derive(Clone, Debug, PartialEq)]
84pub enum Event {
85 ActiveEntryChanged(Option<ProjectEntry>),
86 WorktreeRemoved(WorktreeId),
87 DiskBasedDiagnosticsStarted,
88 DiskBasedDiagnosticsUpdated,
89 DiskBasedDiagnosticsFinished,
90 DiagnosticsUpdated(ProjectPath),
91}
92
93#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
94pub struct ProjectPath {
95 pub worktree_id: WorktreeId,
96 pub path: Arc<Path>,
97}
98
99#[derive(Clone, Debug, Default, PartialEq)]
100pub struct DiagnosticSummary {
101 pub error_count: usize,
102 pub warning_count: usize,
103 pub info_count: usize,
104 pub hint_count: usize,
105}
106
107#[derive(Debug)]
108pub struct Definition {
109 pub target_buffer: ModelHandle<Buffer>,
110 pub target_range: Range<language::Anchor>,
111}
112
113#[derive(Default)]
114pub struct ProjectTransaction(pub HashMap<ModelHandle<Buffer>, language::Transaction>);
115
116impl DiagnosticSummary {
117 fn new<'a, T: 'a>(diagnostics: impl IntoIterator<Item = &'a DiagnosticEntry<T>>) -> Self {
118 let mut this = Self {
119 error_count: 0,
120 warning_count: 0,
121 info_count: 0,
122 hint_count: 0,
123 };
124
125 for entry in diagnostics {
126 if entry.diagnostic.is_primary {
127 match entry.diagnostic.severity {
128 DiagnosticSeverity::ERROR => this.error_count += 1,
129 DiagnosticSeverity::WARNING => this.warning_count += 1,
130 DiagnosticSeverity::INFORMATION => this.info_count += 1,
131 DiagnosticSeverity::HINT => this.hint_count += 1,
132 _ => {}
133 }
134 }
135 }
136
137 this
138 }
139
140 pub fn to_proto(&self, path: Arc<Path>) -> proto::DiagnosticSummary {
141 proto::DiagnosticSummary {
142 path: path.to_string_lossy().to_string(),
143 error_count: self.error_count as u32,
144 warning_count: self.warning_count as u32,
145 info_count: self.info_count as u32,
146 hint_count: self.hint_count as u32,
147 }
148 }
149}
150
151#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
152pub struct ProjectEntry {
153 pub worktree_id: WorktreeId,
154 pub entry_id: usize,
155}
156
157impl Project {
158 pub fn local(
159 client: Arc<Client>,
160 user_store: ModelHandle<UserStore>,
161 languages: Arc<LanguageRegistry>,
162 fs: Arc<dyn Fs>,
163 cx: &mut MutableAppContext,
164 ) -> ModelHandle<Self> {
165 cx.add_model(|cx: &mut ModelContext<Self>| {
166 let (remote_id_tx, remote_id_rx) = watch::channel();
167 let _maintain_remote_id_task = cx.spawn_weak({
168 let rpc = client.clone();
169 move |this, mut cx| {
170 async move {
171 let mut status = rpc.status();
172 while let Some(status) = status.recv().await {
173 if let Some(this) = this.upgrade(&cx) {
174 let remote_id = if let client::Status::Connected { .. } = status {
175 let response = rpc.request(proto::RegisterProject {}).await?;
176 Some(response.project_id)
177 } else {
178 None
179 };
180
181 if let Some(project_id) = remote_id {
182 let mut registrations = Vec::new();
183 this.update(&mut cx, |this, cx| {
184 for worktree in this.worktrees(cx).collect::<Vec<_>>() {
185 registrations.push(worktree.update(
186 cx,
187 |worktree, cx| {
188 let worktree = worktree.as_local_mut().unwrap();
189 worktree.register(project_id, cx)
190 },
191 ));
192 }
193 });
194 for registration in registrations {
195 registration.await?;
196 }
197 }
198 this.update(&mut cx, |this, cx| this.set_remote_id(remote_id, cx));
199 }
200 }
201 Ok(())
202 }
203 .log_err()
204 }
205 });
206
207 Self {
208 worktrees: Default::default(),
209 collaborators: Default::default(),
210 open_buffers: Default::default(),
211 loading_buffers: Default::default(),
212 shared_buffers: Default::default(),
213 client_state: ProjectClientState::Local {
214 is_shared: false,
215 remote_id_tx,
216 remote_id_rx,
217 _maintain_remote_id_task,
218 },
219 subscriptions: Vec::new(),
220 active_entry: None,
221 languages,
222 client,
223 user_store,
224 fs,
225 language_servers_with_diagnostics_running: 0,
226 language_servers: Default::default(),
227 }
228 })
229 }
230
231 pub async fn remote(
232 remote_id: u64,
233 client: Arc<Client>,
234 user_store: ModelHandle<UserStore>,
235 languages: Arc<LanguageRegistry>,
236 fs: Arc<dyn Fs>,
237 cx: &mut AsyncAppContext,
238 ) -> Result<ModelHandle<Self>> {
239 client.authenticate_and_connect(&cx).await?;
240
241 let response = client
242 .request(proto::JoinProject {
243 project_id: remote_id,
244 })
245 .await?;
246
247 let replica_id = response.replica_id as ReplicaId;
248
249 let mut worktrees = Vec::new();
250 for worktree in response.worktrees {
251 let (worktree, load_task) = cx
252 .update(|cx| Worktree::remote(remote_id, replica_id, worktree, client.clone(), cx));
253 worktrees.push(worktree);
254 load_task.detach();
255 }
256
257 let user_ids = response
258 .collaborators
259 .iter()
260 .map(|peer| peer.user_id)
261 .collect();
262 user_store
263 .update(cx, |user_store, cx| user_store.load_users(user_ids, cx))
264 .await?;
265 let mut collaborators = HashMap::default();
266 for message in response.collaborators {
267 let collaborator = Collaborator::from_proto(message, &user_store, cx).await?;
268 collaborators.insert(collaborator.peer_id, collaborator);
269 }
270
271 Ok(cx.add_model(|cx| {
272 let mut this = Self {
273 worktrees: Vec::new(),
274 open_buffers: Default::default(),
275 loading_buffers: Default::default(),
276 shared_buffers: Default::default(),
277 active_entry: None,
278 collaborators,
279 languages,
280 user_store,
281 fs,
282 subscriptions: vec![
283 client.subscribe_to_entity(remote_id, cx, Self::handle_unshare_project),
284 client.subscribe_to_entity(remote_id, cx, Self::handle_add_collaborator),
285 client.subscribe_to_entity(remote_id, cx, Self::handle_remove_collaborator),
286 client.subscribe_to_entity(remote_id, cx, Self::handle_share_worktree),
287 client.subscribe_to_entity(remote_id, cx, Self::handle_unregister_worktree),
288 client.subscribe_to_entity(remote_id, cx, Self::handle_update_worktree),
289 client.subscribe_to_entity(
290 remote_id,
291 cx,
292 Self::handle_update_diagnostic_summary,
293 ),
294 client.subscribe_to_entity(
295 remote_id,
296 cx,
297 Self::handle_disk_based_diagnostics_updating,
298 ),
299 client.subscribe_to_entity(
300 remote_id,
301 cx,
302 Self::handle_disk_based_diagnostics_updated,
303 ),
304 client.subscribe_to_entity(remote_id, cx, Self::handle_update_buffer),
305 client.subscribe_to_entity(remote_id, cx, Self::handle_update_buffer_file),
306 client.subscribe_to_entity(remote_id, cx, Self::handle_buffer_reloaded),
307 client.subscribe_to_entity(remote_id, cx, Self::handle_buffer_saved),
308 ],
309 client,
310 client_state: ProjectClientState::Remote {
311 sharing_has_stopped: false,
312 remote_id,
313 replica_id,
314 },
315 language_servers_with_diagnostics_running: 0,
316 language_servers: Default::default(),
317 };
318 for worktree in worktrees {
319 this.add_worktree(&worktree, cx);
320 }
321 this
322 }))
323 }
324
325 #[cfg(any(test, feature = "test-support"))]
326 pub fn test(fs: Arc<dyn Fs>, cx: &mut gpui::TestAppContext) -> ModelHandle<Project> {
327 let languages = Arc::new(LanguageRegistry::new());
328 let http_client = client::test::FakeHttpClient::with_404_response();
329 let client = client::Client::new(http_client.clone());
330 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http_client, cx));
331 cx.update(|cx| Project::local(client, user_store, languages, fs, cx))
332 }
333
334 fn set_remote_id(&mut self, remote_id: Option<u64>, cx: &mut ModelContext<Self>) {
335 if let ProjectClientState::Local { remote_id_tx, .. } = &mut self.client_state {
336 *remote_id_tx.borrow_mut() = remote_id;
337 }
338
339 self.subscriptions.clear();
340 if let Some(remote_id) = remote_id {
341 let client = &self.client;
342 self.subscriptions.extend([
343 client.subscribe_to_entity(remote_id, cx, Self::handle_open_buffer),
344 client.subscribe_to_entity(remote_id, cx, Self::handle_close_buffer),
345 client.subscribe_to_entity(remote_id, cx, Self::handle_add_collaborator),
346 client.subscribe_to_entity(remote_id, cx, Self::handle_remove_collaborator),
347 client.subscribe_to_entity(remote_id, cx, Self::handle_update_worktree),
348 client.subscribe_to_entity(remote_id, cx, Self::handle_update_buffer),
349 client.subscribe_to_entity(remote_id, cx, Self::handle_save_buffer),
350 client.subscribe_to_entity(remote_id, cx, Self::handle_buffer_saved),
351 client.subscribe_to_entity(remote_id, cx, Self::handle_format_buffers),
352 client.subscribe_to_entity(remote_id, cx, Self::handle_get_completions),
353 client.subscribe_to_entity(
354 remote_id,
355 cx,
356 Self::handle_apply_additional_edits_for_completion,
357 ),
358 client.subscribe_to_entity(remote_id, cx, Self::handle_get_code_actions),
359 client.subscribe_to_entity(remote_id, cx, Self::handle_apply_code_action),
360 client.subscribe_to_entity(remote_id, cx, Self::handle_get_definition),
361 ]);
362 }
363 }
364
365 pub fn remote_id(&self) -> Option<u64> {
366 match &self.client_state {
367 ProjectClientState::Local { remote_id_rx, .. } => *remote_id_rx.borrow(),
368 ProjectClientState::Remote { remote_id, .. } => Some(*remote_id),
369 }
370 }
371
372 pub fn next_remote_id(&self) -> impl Future<Output = u64> {
373 let mut id = None;
374 let mut watch = None;
375 match &self.client_state {
376 ProjectClientState::Local { remote_id_rx, .. } => watch = Some(remote_id_rx.clone()),
377 ProjectClientState::Remote { remote_id, .. } => id = Some(*remote_id),
378 }
379
380 async move {
381 if let Some(id) = id {
382 return id;
383 }
384 let mut watch = watch.unwrap();
385 loop {
386 let id = *watch.borrow();
387 if let Some(id) = id {
388 return id;
389 }
390 watch.recv().await;
391 }
392 }
393 }
394
395 pub fn replica_id(&self) -> ReplicaId {
396 match &self.client_state {
397 ProjectClientState::Local { .. } => 0,
398 ProjectClientState::Remote { replica_id, .. } => *replica_id,
399 }
400 }
401
402 pub fn collaborators(&self) -> &HashMap<PeerId, Collaborator> {
403 &self.collaborators
404 }
405
406 pub fn worktrees<'a>(
407 &'a self,
408 cx: &'a AppContext,
409 ) -> impl 'a + Iterator<Item = ModelHandle<Worktree>> {
410 self.worktrees
411 .iter()
412 .filter_map(move |worktree| worktree.upgrade(cx))
413 }
414
415 pub fn worktree_for_id(
416 &self,
417 id: WorktreeId,
418 cx: &AppContext,
419 ) -> Option<ModelHandle<Worktree>> {
420 self.worktrees(cx)
421 .find(|worktree| worktree.read(cx).id() == id)
422 }
423
424 pub fn share(&self, cx: &mut ModelContext<Self>) -> Task<anyhow::Result<()>> {
425 let rpc = self.client.clone();
426 cx.spawn(|this, mut cx| async move {
427 let project_id = this.update(&mut cx, |this, _| {
428 if let ProjectClientState::Local {
429 is_shared,
430 remote_id_rx,
431 ..
432 } = &mut this.client_state
433 {
434 *is_shared = true;
435 remote_id_rx
436 .borrow()
437 .ok_or_else(|| anyhow!("no project id"))
438 } else {
439 Err(anyhow!("can't share a remote project"))
440 }
441 })?;
442
443 rpc.request(proto::ShareProject { project_id }).await?;
444 let mut tasks = Vec::new();
445 this.update(&mut cx, |this, cx| {
446 for worktree in this.worktrees(cx).collect::<Vec<_>>() {
447 worktree.update(cx, |worktree, cx| {
448 let worktree = worktree.as_local_mut().unwrap();
449 tasks.push(worktree.share(project_id, cx));
450 });
451 }
452 });
453 for task in tasks {
454 task.await?;
455 }
456 this.update(&mut cx, |_, cx| cx.notify());
457 Ok(())
458 })
459 }
460
461 pub fn unshare(&self, cx: &mut ModelContext<Self>) -> Task<anyhow::Result<()>> {
462 let rpc = self.client.clone();
463 cx.spawn(|this, mut cx| async move {
464 let project_id = this.update(&mut cx, |this, _| {
465 if let ProjectClientState::Local {
466 is_shared,
467 remote_id_rx,
468 ..
469 } = &mut this.client_state
470 {
471 *is_shared = false;
472 remote_id_rx
473 .borrow()
474 .ok_or_else(|| anyhow!("no project id"))
475 } else {
476 Err(anyhow!("can't share a remote project"))
477 }
478 })?;
479
480 rpc.send(proto::UnshareProject { project_id })?;
481 this.update(&mut cx, |this, cx| {
482 this.collaborators.clear();
483 this.shared_buffers.clear();
484 for worktree in this.worktrees(cx).collect::<Vec<_>>() {
485 worktree.update(cx, |worktree, _| {
486 worktree.as_local_mut().unwrap().unshare();
487 });
488 }
489 cx.notify()
490 });
491 Ok(())
492 })
493 }
494
495 pub fn is_read_only(&self) -> bool {
496 match &self.client_state {
497 ProjectClientState::Local { .. } => false,
498 ProjectClientState::Remote {
499 sharing_has_stopped,
500 ..
501 } => *sharing_has_stopped,
502 }
503 }
504
505 pub fn is_local(&self) -> bool {
506 match &self.client_state {
507 ProjectClientState::Local { .. } => true,
508 ProjectClientState::Remote { .. } => false,
509 }
510 }
511
512 pub fn open_buffer(
513 &mut self,
514 path: impl Into<ProjectPath>,
515 cx: &mut ModelContext<Self>,
516 ) -> Task<Result<ModelHandle<Buffer>>> {
517 let project_path = path.into();
518 let worktree = if let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) {
519 worktree
520 } else {
521 return Task::ready(Err(anyhow!("no such worktree")));
522 };
523
524 // If there is already a buffer for the given path, then return it.
525 let existing_buffer = self.get_open_buffer(&project_path, cx);
526 if let Some(existing_buffer) = existing_buffer {
527 return Task::ready(Ok(existing_buffer));
528 }
529
530 let mut loading_watch = match self.loading_buffers.entry(project_path.clone()) {
531 // If the given path is already being loaded, then wait for that existing
532 // task to complete and return the same buffer.
533 hash_map::Entry::Occupied(e) => e.get().clone(),
534
535 // Otherwise, record the fact that this path is now being loaded.
536 hash_map::Entry::Vacant(entry) => {
537 let (mut tx, rx) = postage::watch::channel();
538 entry.insert(rx.clone());
539
540 let load_buffer = if worktree.read(cx).is_local() {
541 self.open_local_buffer(&project_path.path, &worktree, cx)
542 } else {
543 self.open_remote_buffer(&project_path.path, &worktree, cx)
544 };
545
546 cx.spawn(move |this, mut cx| async move {
547 let load_result = load_buffer.await;
548 *tx.borrow_mut() = Some(this.update(&mut cx, |this, _| {
549 // Record the fact that the buffer is no longer loading.
550 this.loading_buffers.remove(&project_path);
551 let buffer = load_result.map_err(Arc::new)?;
552 Ok(buffer)
553 }));
554 })
555 .detach();
556 rx
557 }
558 };
559
560 cx.foreground().spawn(async move {
561 loop {
562 if let Some(result) = loading_watch.borrow().as_ref() {
563 match result {
564 Ok(buffer) => return Ok(buffer.clone()),
565 Err(error) => return Err(anyhow!("{}", error)),
566 }
567 }
568 loading_watch.recv().await;
569 }
570 })
571 }
572
573 fn open_local_buffer(
574 &mut self,
575 path: &Arc<Path>,
576 worktree: &ModelHandle<Worktree>,
577 cx: &mut ModelContext<Self>,
578 ) -> Task<Result<ModelHandle<Buffer>>> {
579 let load_buffer = worktree.update(cx, |worktree, cx| {
580 let worktree = worktree.as_local_mut().unwrap();
581 worktree.load_buffer(path, cx)
582 });
583 let worktree = worktree.downgrade();
584 cx.spawn(|this, mut cx| async move {
585 let buffer = load_buffer.await?;
586 let worktree = worktree
587 .upgrade(&cx)
588 .ok_or_else(|| anyhow!("worktree was removed"))?;
589 this.update(&mut cx, |this, cx| {
590 this.register_buffer(&buffer, Some(&worktree), cx)
591 })?;
592 Ok(buffer)
593 })
594 }
595
596 fn open_remote_buffer(
597 &mut self,
598 path: &Arc<Path>,
599 worktree: &ModelHandle<Worktree>,
600 cx: &mut ModelContext<Self>,
601 ) -> Task<Result<ModelHandle<Buffer>>> {
602 let rpc = self.client.clone();
603 let project_id = self.remote_id().unwrap();
604 let remote_worktree_id = worktree.read(cx).id();
605 let path = path.clone();
606 let path_string = path.to_string_lossy().to_string();
607 cx.spawn(|this, mut cx| async move {
608 let response = rpc
609 .request(proto::OpenBuffer {
610 project_id,
611 worktree_id: remote_worktree_id.to_proto(),
612 path: path_string,
613 })
614 .await?;
615 let buffer = response.buffer.ok_or_else(|| anyhow!("missing buffer"))?;
616 this.update(&mut cx, |this, cx| this.deserialize_buffer(buffer, cx))
617 })
618 }
619
620 fn open_local_buffer_from_lsp_path(
621 &mut self,
622 abs_path: lsp::Url,
623 lang_name: String,
624 lang_server: Arc<LanguageServer>,
625 cx: &mut ModelContext<Self>,
626 ) -> Task<Result<ModelHandle<Buffer>>> {
627 cx.spawn(|this, mut cx| async move {
628 let abs_path = abs_path
629 .to_file_path()
630 .map_err(|_| anyhow!("can't convert URI to path"))?;
631 let (worktree, relative_path) = if let Some(result) =
632 this.read_with(&cx, |this, cx| this.find_local_worktree(&abs_path, cx))
633 {
634 result
635 } else {
636 let worktree = this
637 .update(&mut cx, |this, cx| {
638 this.create_local_worktree(&abs_path, true, cx)
639 })
640 .await?;
641 this.update(&mut cx, |this, cx| {
642 this.language_servers
643 .insert((worktree.read(cx).id(), lang_name), lang_server);
644 });
645 (worktree, PathBuf::new())
646 };
647
648 let project_path = ProjectPath {
649 worktree_id: worktree.read_with(&cx, |worktree, _| worktree.id()),
650 path: relative_path.into(),
651 };
652 this.update(&mut cx, |this, cx| this.open_buffer(project_path, cx))
653 .await
654 })
655 }
656
657 pub fn save_buffer_as(
658 &self,
659 buffer: ModelHandle<Buffer>,
660 abs_path: PathBuf,
661 cx: &mut ModelContext<Project>,
662 ) -> Task<Result<()>> {
663 let worktree_task = self.find_or_create_local_worktree(&abs_path, false, cx);
664 cx.spawn(|this, mut cx| async move {
665 let (worktree, path) = worktree_task.await?;
666 worktree
667 .update(&mut cx, |worktree, cx| {
668 worktree
669 .as_local_mut()
670 .unwrap()
671 .save_buffer_as(buffer.clone(), path, cx)
672 })
673 .await?;
674 this.update(&mut cx, |this, cx| {
675 this.assign_language_to_buffer(&buffer, Some(&worktree), cx);
676 });
677 Ok(())
678 })
679 }
680
681 #[cfg(any(test, feature = "test-support"))]
682 pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &AppContext) -> bool {
683 let path = path.into();
684 if let Some(worktree) = self.worktree_for_id(path.worktree_id, cx) {
685 self.open_buffers.iter().any(|(_, buffer)| {
686 if let Some(buffer) = buffer.upgrade(cx) {
687 if let Some(file) = File::from_dyn(buffer.read(cx).file()) {
688 if file.worktree == worktree && file.path() == &path.path {
689 return true;
690 }
691 }
692 }
693 false
694 })
695 } else {
696 false
697 }
698 }
699
700 fn get_open_buffer(
701 &mut self,
702 path: &ProjectPath,
703 cx: &mut ModelContext<Self>,
704 ) -> Option<ModelHandle<Buffer>> {
705 let mut result = None;
706 let worktree = self.worktree_for_id(path.worktree_id, cx)?;
707 self.open_buffers.retain(|_, buffer| {
708 if let Some(buffer) = buffer.upgrade(cx) {
709 if let Some(file) = File::from_dyn(buffer.read(cx).file()) {
710 if file.worktree == worktree && file.path() == &path.path {
711 result = Some(buffer);
712 }
713 }
714 true
715 } else {
716 false
717 }
718 });
719 result
720 }
721
722 fn register_buffer(
723 &mut self,
724 buffer: &ModelHandle<Buffer>,
725 worktree: Option<&ModelHandle<Worktree>>,
726 cx: &mut ModelContext<Self>,
727 ) -> Result<()> {
728 if self
729 .open_buffers
730 .insert(buffer.read(cx).remote_id() as usize, buffer.downgrade())
731 .is_some()
732 {
733 return Err(anyhow!("registered the same buffer twice"));
734 }
735 self.assign_language_to_buffer(&buffer, worktree, cx);
736 Ok(())
737 }
738
739 fn assign_language_to_buffer(
740 &mut self,
741 buffer: &ModelHandle<Buffer>,
742 worktree: Option<&ModelHandle<Worktree>>,
743 cx: &mut ModelContext<Self>,
744 ) -> Option<()> {
745 let (path, full_path) = {
746 let file = buffer.read(cx).file()?;
747 (file.path().clone(), file.full_path(cx))
748 };
749
750 // If the buffer has a language, set it and start/assign the language server
751 if let Some(language) = self.languages.select_language(&full_path) {
752 buffer.update(cx, |buffer, cx| {
753 buffer.set_language(Some(language.clone()), cx);
754 });
755
756 // For local worktrees, start a language server if needed.
757 // Also assign the language server and any previously stored diagnostics to the buffer.
758 if let Some(local_worktree) = worktree.and_then(|w| w.read(cx).as_local()) {
759 let worktree_id = local_worktree.id();
760 let worktree_abs_path = local_worktree.abs_path().clone();
761
762 let language_server = match self
763 .language_servers
764 .entry((worktree_id, language.name().to_string()))
765 {
766 hash_map::Entry::Occupied(e) => Some(e.get().clone()),
767 hash_map::Entry::Vacant(e) => Self::start_language_server(
768 self.client.clone(),
769 language.clone(),
770 &worktree_abs_path,
771 cx,
772 )
773 .map(|server| e.insert(server).clone()),
774 };
775
776 buffer.update(cx, |buffer, cx| {
777 buffer.set_language_server(language_server, cx);
778 });
779 }
780 }
781
782 if let Some(local_worktree) = worktree.and_then(|w| w.read(cx).as_local()) {
783 if let Some(diagnostics) = local_worktree.diagnostics_for_path(&path) {
784 buffer.update(cx, |buffer, cx| {
785 buffer.update_diagnostics(diagnostics, None, cx).log_err();
786 });
787 }
788 }
789
790 None
791 }
792
793 fn start_language_server(
794 rpc: Arc<Client>,
795 language: Arc<Language>,
796 worktree_path: &Path,
797 cx: &mut ModelContext<Self>,
798 ) -> Option<Arc<LanguageServer>> {
799 enum LspEvent {
800 DiagnosticsStart,
801 DiagnosticsUpdate(lsp::PublishDiagnosticsParams),
802 DiagnosticsFinish,
803 }
804
805 let language_server = language
806 .start_server(worktree_path, cx)
807 .log_err()
808 .flatten()?;
809 let disk_based_sources = language
810 .disk_based_diagnostic_sources()
811 .cloned()
812 .unwrap_or_default();
813 let disk_based_diagnostics_progress_token =
814 language.disk_based_diagnostics_progress_token().cloned();
815 let has_disk_based_diagnostic_progress_token =
816 disk_based_diagnostics_progress_token.is_some();
817 let (diagnostics_tx, diagnostics_rx) = smol::channel::unbounded();
818
819 // Listen for `PublishDiagnostics` notifications.
820 language_server
821 .on_notification::<lsp::notification::PublishDiagnostics, _>({
822 let diagnostics_tx = diagnostics_tx.clone();
823 move |params| {
824 if !has_disk_based_diagnostic_progress_token {
825 block_on(diagnostics_tx.send(LspEvent::DiagnosticsStart)).ok();
826 }
827 block_on(diagnostics_tx.send(LspEvent::DiagnosticsUpdate(params))).ok();
828 if !has_disk_based_diagnostic_progress_token {
829 block_on(diagnostics_tx.send(LspEvent::DiagnosticsFinish)).ok();
830 }
831 }
832 })
833 .detach();
834
835 // Listen for `Progress` notifications. Send an event when the language server
836 // transitions between running jobs and not running any jobs.
837 let mut running_jobs_for_this_server: i32 = 0;
838 language_server
839 .on_notification::<lsp::notification::Progress, _>(move |params| {
840 let token = match params.token {
841 lsp::NumberOrString::Number(_) => None,
842 lsp::NumberOrString::String(token) => Some(token),
843 };
844
845 if token == disk_based_diagnostics_progress_token {
846 match params.value {
847 lsp::ProgressParamsValue::WorkDone(progress) => match progress {
848 lsp::WorkDoneProgress::Begin(_) => {
849 running_jobs_for_this_server += 1;
850 if running_jobs_for_this_server == 1 {
851 block_on(diagnostics_tx.send(LspEvent::DiagnosticsStart)).ok();
852 }
853 }
854 lsp::WorkDoneProgress::End(_) => {
855 running_jobs_for_this_server -= 1;
856 if running_jobs_for_this_server == 0 {
857 block_on(diagnostics_tx.send(LspEvent::DiagnosticsFinish)).ok();
858 }
859 }
860 _ => {}
861 },
862 }
863 }
864 })
865 .detach();
866
867 // Process all the LSP events.
868 cx.spawn_weak(|this, mut cx| async move {
869 while let Ok(message) = diagnostics_rx.recv().await {
870 let this = this.upgrade(&cx)?;
871 match message {
872 LspEvent::DiagnosticsStart => {
873 this.update(&mut cx, |this, cx| {
874 this.disk_based_diagnostics_started(cx);
875 if let Some(project_id) = this.remote_id() {
876 rpc.send(proto::DiskBasedDiagnosticsUpdating { project_id })
877 .log_err();
878 }
879 });
880 }
881 LspEvent::DiagnosticsUpdate(mut params) => {
882 language.process_diagnostics(&mut params);
883 this.update(&mut cx, |this, cx| {
884 this.update_diagnostics(params, &disk_based_sources, cx)
885 .log_err();
886 });
887 }
888 LspEvent::DiagnosticsFinish => {
889 this.update(&mut cx, |this, cx| {
890 this.disk_based_diagnostics_finished(cx);
891 if let Some(project_id) = this.remote_id() {
892 rpc.send(proto::DiskBasedDiagnosticsUpdated { project_id })
893 .log_err();
894 }
895 });
896 }
897 }
898 }
899 Some(())
900 })
901 .detach();
902
903 Some(language_server)
904 }
905
906 pub fn update_diagnostics(
907 &mut self,
908 params: lsp::PublishDiagnosticsParams,
909 disk_based_sources: &HashSet<String>,
910 cx: &mut ModelContext<Self>,
911 ) -> Result<()> {
912 let abs_path = params
913 .uri
914 .to_file_path()
915 .map_err(|_| anyhow!("URI is not a file"))?;
916 let mut next_group_id = 0;
917 let mut diagnostics = Vec::default();
918 let mut primary_diagnostic_group_ids = HashMap::default();
919 let mut sources_by_group_id = HashMap::default();
920 let mut supporting_diagnostic_severities = HashMap::default();
921 for diagnostic in ¶ms.diagnostics {
922 let source = diagnostic.source.as_ref();
923 let code = diagnostic.code.as_ref().map(|code| match code {
924 lsp::NumberOrString::Number(code) => code.to_string(),
925 lsp::NumberOrString::String(code) => code.clone(),
926 });
927 let range = range_from_lsp(diagnostic.range);
928 let is_supporting = diagnostic
929 .related_information
930 .as_ref()
931 .map_or(false, |infos| {
932 infos.iter().any(|info| {
933 primary_diagnostic_group_ids.contains_key(&(
934 source,
935 code.clone(),
936 range_from_lsp(info.location.range),
937 ))
938 })
939 });
940
941 if is_supporting {
942 if let Some(severity) = diagnostic.severity {
943 supporting_diagnostic_severities
944 .insert((source, code.clone(), range), severity);
945 }
946 } else {
947 let group_id = post_inc(&mut next_group_id);
948 let is_disk_based =
949 source.map_or(false, |source| disk_based_sources.contains(source));
950
951 sources_by_group_id.insert(group_id, source);
952 primary_diagnostic_group_ids
953 .insert((source, code.clone(), range.clone()), group_id);
954
955 diagnostics.push(DiagnosticEntry {
956 range,
957 diagnostic: Diagnostic {
958 code: code.clone(),
959 severity: diagnostic.severity.unwrap_or(DiagnosticSeverity::ERROR),
960 message: diagnostic.message.clone(),
961 group_id,
962 is_primary: true,
963 is_valid: true,
964 is_disk_based,
965 },
966 });
967 if let Some(infos) = &diagnostic.related_information {
968 for info in infos {
969 if info.location.uri == params.uri && !info.message.is_empty() {
970 let range = range_from_lsp(info.location.range);
971 diagnostics.push(DiagnosticEntry {
972 range,
973 diagnostic: Diagnostic {
974 code: code.clone(),
975 severity: DiagnosticSeverity::INFORMATION,
976 message: info.message.clone(),
977 group_id,
978 is_primary: false,
979 is_valid: true,
980 is_disk_based,
981 },
982 });
983 }
984 }
985 }
986 }
987 }
988
989 for entry in &mut diagnostics {
990 let diagnostic = &mut entry.diagnostic;
991 if !diagnostic.is_primary {
992 let source = *sources_by_group_id.get(&diagnostic.group_id).unwrap();
993 if let Some(&severity) = supporting_diagnostic_severities.get(&(
994 source,
995 diagnostic.code.clone(),
996 entry.range.clone(),
997 )) {
998 diagnostic.severity = severity;
999 }
1000 }
1001 }
1002
1003 self.update_diagnostic_entries(abs_path, params.version, diagnostics, cx)?;
1004 Ok(())
1005 }
1006
1007 pub fn update_diagnostic_entries(
1008 &mut self,
1009 abs_path: PathBuf,
1010 version: Option<i32>,
1011 diagnostics: Vec<DiagnosticEntry<PointUtf16>>,
1012 cx: &mut ModelContext<Project>,
1013 ) -> Result<(), anyhow::Error> {
1014 let (worktree, relative_path) = self
1015 .find_local_worktree(&abs_path, cx)
1016 .ok_or_else(|| anyhow!("no worktree found for diagnostics"))?;
1017 let project_path = ProjectPath {
1018 worktree_id: worktree.read(cx).id(),
1019 path: relative_path.into(),
1020 };
1021
1022 for buffer in self.open_buffers.values() {
1023 if let Some(buffer) = buffer.upgrade(cx) {
1024 if buffer
1025 .read(cx)
1026 .file()
1027 .map_or(false, |file| *file.path() == project_path.path)
1028 {
1029 buffer.update(cx, |buffer, cx| {
1030 buffer.update_diagnostics(diagnostics.clone(), version, cx)
1031 })?;
1032 break;
1033 }
1034 }
1035 }
1036 worktree.update(cx, |worktree, cx| {
1037 worktree
1038 .as_local_mut()
1039 .ok_or_else(|| anyhow!("not a local worktree"))?
1040 .update_diagnostics(project_path.path.clone(), diagnostics, cx)
1041 })?;
1042 cx.emit(Event::DiagnosticsUpdated(project_path));
1043 Ok(())
1044 }
1045
1046 pub fn format(
1047 &self,
1048 buffers: HashSet<ModelHandle<Buffer>>,
1049 push_to_history: bool,
1050 cx: &mut ModelContext<Project>,
1051 ) -> Task<Result<ProjectTransaction>> {
1052 let mut local_buffers = Vec::new();
1053 let mut remote_buffers = None;
1054 for buffer_handle in buffers {
1055 let buffer = buffer_handle.read(cx);
1056 let worktree;
1057 if let Some(file) = File::from_dyn(buffer.file()) {
1058 worktree = file.worktree.clone();
1059 if let Some(buffer_abs_path) = file.as_local().map(|f| f.abs_path(cx)) {
1060 let lang_server;
1061 if let Some(lang) = buffer.language() {
1062 if let Some(server) = self
1063 .language_servers
1064 .get(&(worktree.read(cx).id(), lang.name().to_string()))
1065 {
1066 lang_server = server.clone();
1067 } else {
1068 return Task::ready(Ok(Default::default()));
1069 };
1070 } else {
1071 return Task::ready(Ok(Default::default()));
1072 }
1073
1074 local_buffers.push((buffer_handle, buffer_abs_path, lang_server));
1075 } else {
1076 remote_buffers.get_or_insert(Vec::new()).push(buffer_handle);
1077 }
1078 } else {
1079 return Task::ready(Ok(Default::default()));
1080 }
1081 }
1082
1083 let remote_buffers = self.remote_id().zip(remote_buffers);
1084 let client = self.client.clone();
1085
1086 cx.spawn(|this, mut cx| async move {
1087 let mut project_transaction = ProjectTransaction::default();
1088
1089 if let Some((project_id, remote_buffers)) = remote_buffers {
1090 let response = client
1091 .request(proto::FormatBuffers {
1092 project_id,
1093 buffer_ids: remote_buffers
1094 .iter()
1095 .map(|buffer| buffer.read_with(&cx, |buffer, _| buffer.remote_id()))
1096 .collect(),
1097 })
1098 .await?
1099 .transaction
1100 .ok_or_else(|| anyhow!("missing transaction"))?;
1101 project_transaction = this
1102 .update(&mut cx, |this, cx| {
1103 this.deserialize_project_transaction(response, push_to_history, cx)
1104 })
1105 .await?;
1106 }
1107
1108 for (buffer, buffer_abs_path, lang_server) in local_buffers {
1109 let lsp_edits = lang_server
1110 .request::<lsp::request::Formatting>(lsp::DocumentFormattingParams {
1111 text_document: lsp::TextDocumentIdentifier::new(
1112 lsp::Url::from_file_path(&buffer_abs_path).unwrap(),
1113 ),
1114 options: Default::default(),
1115 work_done_progress_params: Default::default(),
1116 })
1117 .await?;
1118
1119 if let Some(lsp_edits) = lsp_edits {
1120 let edits = buffer
1121 .update(&mut cx, |buffer, cx| {
1122 buffer.edits_from_lsp(lsp_edits, None, cx)
1123 })
1124 .await?;
1125 buffer.update(&mut cx, |buffer, cx| {
1126 buffer.finalize_last_transaction();
1127 buffer.start_transaction();
1128 for (range, text) in edits {
1129 buffer.edit([range], text, cx);
1130 }
1131 if buffer.end_transaction(cx).is_some() {
1132 let transaction = buffer.finalize_last_transaction().unwrap().clone();
1133 if !push_to_history {
1134 buffer.forget_transaction(transaction.id);
1135 }
1136 project_transaction.0.insert(cx.handle(), transaction);
1137 }
1138 });
1139 }
1140 }
1141
1142 Ok(project_transaction)
1143 })
1144 }
1145
1146 pub fn definition<T: ToPointUtf16>(
1147 &self,
1148 source_buffer_handle: &ModelHandle<Buffer>,
1149 position: T,
1150 cx: &mut ModelContext<Self>,
1151 ) -> Task<Result<Vec<Definition>>> {
1152 let source_buffer_handle = source_buffer_handle.clone();
1153 let source_buffer = source_buffer_handle.read(cx);
1154 let worktree;
1155 let buffer_abs_path;
1156 if let Some(file) = File::from_dyn(source_buffer.file()) {
1157 worktree = file.worktree.clone();
1158 buffer_abs_path = file.as_local().map(|f| f.abs_path(cx));
1159 } else {
1160 return Task::ready(Ok(Default::default()));
1161 };
1162
1163 let position = position.to_point_utf16(source_buffer);
1164
1165 if worktree.read(cx).as_local().is_some() {
1166 let buffer_abs_path = buffer_abs_path.unwrap();
1167 let lang_name;
1168 let lang_server;
1169 if let Some(lang) = source_buffer.language() {
1170 lang_name = lang.name().to_string();
1171 if let Some(server) = self
1172 .language_servers
1173 .get(&(worktree.read(cx).id(), lang_name.clone()))
1174 {
1175 lang_server = server.clone();
1176 } else {
1177 return Task::ready(Ok(Default::default()));
1178 };
1179 } else {
1180 return Task::ready(Ok(Default::default()));
1181 }
1182
1183 cx.spawn(|this, mut cx| async move {
1184 let response = lang_server
1185 .request::<lsp::request::GotoDefinition>(lsp::GotoDefinitionParams {
1186 text_document_position_params: lsp::TextDocumentPositionParams {
1187 text_document: lsp::TextDocumentIdentifier::new(
1188 lsp::Url::from_file_path(&buffer_abs_path).unwrap(),
1189 ),
1190 position: lsp::Position::new(position.row, position.column),
1191 },
1192 work_done_progress_params: Default::default(),
1193 partial_result_params: Default::default(),
1194 })
1195 .await?;
1196
1197 let mut definitions = Vec::new();
1198 if let Some(response) = response {
1199 let mut unresolved_locations = Vec::new();
1200 match response {
1201 lsp::GotoDefinitionResponse::Scalar(loc) => {
1202 unresolved_locations.push((loc.uri, loc.range));
1203 }
1204 lsp::GotoDefinitionResponse::Array(locs) => {
1205 unresolved_locations.extend(locs.into_iter().map(|l| (l.uri, l.range)));
1206 }
1207 lsp::GotoDefinitionResponse::Link(links) => {
1208 unresolved_locations.extend(
1209 links
1210 .into_iter()
1211 .map(|l| (l.target_uri, l.target_selection_range)),
1212 );
1213 }
1214 }
1215
1216 for (target_uri, target_range) in unresolved_locations {
1217 let target_buffer_handle = this
1218 .update(&mut cx, |this, cx| {
1219 this.open_local_buffer_from_lsp_path(
1220 target_uri,
1221 lang_name.clone(),
1222 lang_server.clone(),
1223 cx,
1224 )
1225 })
1226 .await?;
1227
1228 cx.read(|cx| {
1229 let target_buffer = target_buffer_handle.read(cx);
1230 let target_start = target_buffer
1231 .clip_point_utf16(point_from_lsp(target_range.start), Bias::Left);
1232 let target_end = target_buffer
1233 .clip_point_utf16(point_from_lsp(target_range.end), Bias::Left);
1234 definitions.push(Definition {
1235 target_buffer: target_buffer_handle,
1236 target_range: target_buffer.anchor_after(target_start)
1237 ..target_buffer.anchor_before(target_end),
1238 });
1239 });
1240 }
1241 }
1242
1243 Ok(definitions)
1244 })
1245 } else if let Some(project_id) = self.remote_id() {
1246 let client = self.client.clone();
1247 let request = proto::GetDefinition {
1248 project_id,
1249 buffer_id: source_buffer.remote_id(),
1250 position: Some(serialize_anchor(&source_buffer.anchor_before(position))),
1251 };
1252 cx.spawn(|this, mut cx| async move {
1253 let response = client.request(request).await?;
1254 this.update(&mut cx, |this, cx| {
1255 let mut definitions = Vec::new();
1256 for definition in response.definitions {
1257 let target_buffer = this.deserialize_buffer(
1258 definition.buffer.ok_or_else(|| anyhow!("missing buffer"))?,
1259 cx,
1260 )?;
1261 let target_start = definition
1262 .target_start
1263 .and_then(deserialize_anchor)
1264 .ok_or_else(|| anyhow!("missing target start"))?;
1265 let target_end = definition
1266 .target_end
1267 .and_then(deserialize_anchor)
1268 .ok_or_else(|| anyhow!("missing target end"))?;
1269 definitions.push(Definition {
1270 target_buffer,
1271 target_range: target_start..target_end,
1272 })
1273 }
1274
1275 Ok(definitions)
1276 })
1277 })
1278 } else {
1279 Task::ready(Ok(Default::default()))
1280 }
1281 }
1282
1283 pub fn completions<T: ToPointUtf16>(
1284 &self,
1285 source_buffer_handle: &ModelHandle<Buffer>,
1286 position: T,
1287 cx: &mut ModelContext<Self>,
1288 ) -> Task<Result<Vec<Completion>>> {
1289 let source_buffer_handle = source_buffer_handle.clone();
1290 let source_buffer = source_buffer_handle.read(cx);
1291 let buffer_id = source_buffer.remote_id();
1292 let language = source_buffer.language().cloned();
1293 let worktree;
1294 let buffer_abs_path;
1295 if let Some(file) = File::from_dyn(source_buffer.file()) {
1296 worktree = file.worktree.clone();
1297 buffer_abs_path = file.as_local().map(|f| f.abs_path(cx));
1298 } else {
1299 return Task::ready(Ok(Default::default()));
1300 };
1301
1302 let position = position.to_point_utf16(source_buffer);
1303 let anchor = source_buffer.anchor_after(position);
1304
1305 if worktree.read(cx).as_local().is_some() {
1306 let buffer_abs_path = buffer_abs_path.unwrap();
1307 let lang_server = if let Some(server) = source_buffer.language_server().cloned() {
1308 server
1309 } else {
1310 return Task::ready(Ok(Default::default()));
1311 };
1312
1313 cx.spawn(|_, cx| async move {
1314 let completions = lang_server
1315 .request::<lsp::request::Completion>(lsp::CompletionParams {
1316 text_document_position: lsp::TextDocumentPositionParams::new(
1317 lsp::TextDocumentIdentifier::new(
1318 lsp::Url::from_file_path(buffer_abs_path).unwrap(),
1319 ),
1320 position.to_lsp_position(),
1321 ),
1322 context: Default::default(),
1323 work_done_progress_params: Default::default(),
1324 partial_result_params: Default::default(),
1325 })
1326 .await?;
1327
1328 let completions = if let Some(completions) = completions {
1329 match completions {
1330 lsp::CompletionResponse::Array(completions) => completions,
1331 lsp::CompletionResponse::List(list) => list.items,
1332 }
1333 } else {
1334 Default::default()
1335 };
1336
1337 source_buffer_handle.read_with(&cx, |this, _| {
1338 Ok(completions.into_iter().filter_map(|lsp_completion| {
1339 let (old_range, new_text) = match lsp_completion.text_edit.as_ref()? {
1340 lsp::CompletionTextEdit::Edit(edit) => (range_from_lsp(edit.range), edit.new_text.clone()),
1341 lsp::CompletionTextEdit::InsertAndReplace(_) => {
1342 log::info!("received an insert and replace completion but we don't yet support that");
1343 return None
1344 },
1345 };
1346
1347 let clipped_start = this.clip_point_utf16(old_range.start, Bias::Left);
1348 let clipped_end = this.clip_point_utf16(old_range.end, Bias::Left) ;
1349 if clipped_start == old_range.start && clipped_end == old_range.end {
1350 Some(Completion {
1351 old_range: this.anchor_before(old_range.start)..this.anchor_after(old_range.end),
1352 new_text,
1353 label: language.as_ref().and_then(|l| l.label_for_completion(&lsp_completion)).unwrap_or_else(|| CompletionLabel::plain(&lsp_completion)),
1354 lsp_completion,
1355 })
1356 } else {
1357 None
1358 }
1359 }).collect())
1360 })
1361
1362 })
1363 } else if let Some(project_id) = self.remote_id() {
1364 let rpc = self.client.clone();
1365 cx.foreground().spawn(async move {
1366 let response = rpc
1367 .request(proto::GetCompletions {
1368 project_id,
1369 buffer_id,
1370 position: Some(language::proto::serialize_anchor(&anchor)),
1371 })
1372 .await?;
1373 response
1374 .completions
1375 .into_iter()
1376 .map(|completion| {
1377 language::proto::deserialize_completion(completion, language.as_ref())
1378 })
1379 .collect()
1380 })
1381 } else {
1382 Task::ready(Ok(Default::default()))
1383 }
1384 }
1385
1386 pub fn apply_additional_edits_for_completion(
1387 &self,
1388 buffer_handle: ModelHandle<Buffer>,
1389 completion: Completion,
1390 push_to_history: bool,
1391 cx: &mut ModelContext<Self>,
1392 ) -> Task<Result<Option<Transaction>>> {
1393 let buffer = buffer_handle.read(cx);
1394 let buffer_id = buffer.remote_id();
1395
1396 if self.is_local() {
1397 let lang_server = if let Some(language_server) = buffer.language_server() {
1398 language_server.clone()
1399 } else {
1400 return Task::ready(Err(anyhow!("buffer does not have a language server")));
1401 };
1402
1403 cx.spawn(|_, mut cx| async move {
1404 let resolved_completion = lang_server
1405 .request::<lsp::request::ResolveCompletionItem>(completion.lsp_completion)
1406 .await?;
1407 if let Some(edits) = resolved_completion.additional_text_edits {
1408 let edits = buffer_handle
1409 .update(&mut cx, |buffer, cx| buffer.edits_from_lsp(edits, None, cx))
1410 .await?;
1411 buffer_handle.update(&mut cx, |buffer, cx| {
1412 buffer.finalize_last_transaction();
1413 buffer.start_transaction();
1414 for (range, text) in edits {
1415 buffer.edit([range], text, cx);
1416 }
1417 let transaction = if buffer.end_transaction(cx).is_some() {
1418 let transaction = buffer.finalize_last_transaction().unwrap().clone();
1419 if !push_to_history {
1420 buffer.forget_transaction(transaction.id);
1421 }
1422 Some(transaction)
1423 } else {
1424 None
1425 };
1426 Ok(transaction)
1427 })
1428 } else {
1429 Ok(None)
1430 }
1431 })
1432 } else if let Some(project_id) = self.remote_id() {
1433 let client = self.client.clone();
1434 cx.spawn(|_, mut cx| async move {
1435 let response = client
1436 .request(proto::ApplyCompletionAdditionalEdits {
1437 project_id,
1438 buffer_id,
1439 completion: Some(language::proto::serialize_completion(&completion)),
1440 })
1441 .await?;
1442
1443 if let Some(transaction) = response.transaction {
1444 let transaction = language::proto::deserialize_transaction(transaction)?;
1445 buffer_handle
1446 .update(&mut cx, |buffer, _| {
1447 buffer.wait_for_edits(transaction.edit_ids.iter().copied())
1448 })
1449 .await;
1450 if push_to_history {
1451 buffer_handle.update(&mut cx, |buffer, _| {
1452 buffer.push_transaction(transaction.clone(), Instant::now());
1453 });
1454 }
1455 Ok(Some(transaction))
1456 } else {
1457 Ok(None)
1458 }
1459 })
1460 } else {
1461 Task::ready(Err(anyhow!("project does not have a remote id")))
1462 }
1463 }
1464
1465 pub fn code_actions<T: ToPointUtf16>(
1466 &self,
1467 source_buffer_handle: &ModelHandle<Buffer>,
1468 position: T,
1469 cx: &mut ModelContext<Self>,
1470 ) -> Task<Result<Vec<CodeAction>>> {
1471 let source_buffer_handle = source_buffer_handle.clone();
1472 let source_buffer = source_buffer_handle.read(cx);
1473 let buffer_id = source_buffer.remote_id();
1474 let worktree;
1475 let buffer_abs_path;
1476 if let Some(file) = File::from_dyn(source_buffer.file()) {
1477 worktree = file.worktree.clone();
1478 buffer_abs_path = file.as_local().map(|f| f.abs_path(cx));
1479 } else {
1480 return Task::ready(Ok(Default::default()));
1481 };
1482
1483 let position = position.to_point_utf16(source_buffer);
1484 let anchor = source_buffer.anchor_after(position);
1485
1486 if worktree.read(cx).as_local().is_some() {
1487 let buffer_abs_path = buffer_abs_path.unwrap();
1488 let lang_name;
1489 let lang_server;
1490 if let Some(lang) = source_buffer.language() {
1491 lang_name = lang.name().to_string();
1492 if let Some(server) = self
1493 .language_servers
1494 .get(&(worktree.read(cx).id(), lang_name.clone()))
1495 {
1496 lang_server = server.clone();
1497 } else {
1498 return Task::ready(Ok(Default::default()));
1499 };
1500 } else {
1501 return Task::ready(Ok(Default::default()));
1502 }
1503
1504 cx.foreground().spawn(async move {
1505 let actions = lang_server
1506 .request::<lsp::request::CodeActionRequest>(lsp::CodeActionParams {
1507 text_document: lsp::TextDocumentIdentifier::new(
1508 lsp::Url::from_file_path(buffer_abs_path).unwrap(),
1509 ),
1510 range: lsp::Range::new(
1511 position.to_lsp_position(),
1512 position.to_lsp_position(),
1513 ),
1514 work_done_progress_params: Default::default(),
1515 partial_result_params: Default::default(),
1516 context: lsp::CodeActionContext {
1517 diagnostics: Default::default(),
1518 only: Some(vec![
1519 lsp::CodeActionKind::QUICKFIX,
1520 lsp::CodeActionKind::REFACTOR,
1521 lsp::CodeActionKind::REFACTOR_EXTRACT,
1522 ]),
1523 },
1524 })
1525 .await?
1526 .unwrap_or_default()
1527 .into_iter()
1528 .filter_map(|entry| {
1529 if let lsp::CodeActionOrCommand::CodeAction(lsp_action) = entry {
1530 Some(CodeAction {
1531 position: anchor.clone(),
1532 lsp_action,
1533 })
1534 } else {
1535 None
1536 }
1537 })
1538 .collect();
1539 Ok(actions)
1540 })
1541 } else if let Some(project_id) = self.remote_id() {
1542 let rpc = self.client.clone();
1543 cx.foreground().spawn(async move {
1544 let response = rpc
1545 .request(proto::GetCodeActions {
1546 project_id,
1547 buffer_id,
1548 position: Some(language::proto::serialize_anchor(&anchor)),
1549 })
1550 .await?;
1551 response
1552 .actions
1553 .into_iter()
1554 .map(language::proto::deserialize_code_action)
1555 .collect()
1556 })
1557 } else {
1558 Task::ready(Ok(Default::default()))
1559 }
1560 }
1561
1562 pub fn apply_code_action(
1563 &self,
1564 buffer_handle: ModelHandle<Buffer>,
1565 mut action: CodeAction,
1566 push_to_history: bool,
1567 cx: &mut ModelContext<Self>,
1568 ) -> Task<Result<ProjectTransaction>> {
1569 if self.is_local() {
1570 let buffer = buffer_handle.read(cx);
1571 let lang_name = if let Some(lang) = buffer.language() {
1572 lang.name().to_string()
1573 } else {
1574 return Task::ready(Ok(Default::default()));
1575 };
1576 let lang_server = if let Some(language_server) = buffer.language_server() {
1577 language_server.clone()
1578 } else {
1579 return Task::ready(Err(anyhow!("buffer does not have a language server")));
1580 };
1581 let position = action.position.to_point_utf16(buffer).to_lsp_position();
1582 let fs = self.fs.clone();
1583
1584 cx.spawn(|this, mut cx| async move {
1585 if let Some(range) = action
1586 .lsp_action
1587 .data
1588 .as_mut()
1589 .and_then(|d| d.get_mut("codeActionParams"))
1590 .and_then(|d| d.get_mut("range"))
1591 {
1592 *range = serde_json::to_value(&lsp::Range::new(position, position)).unwrap();
1593 action.lsp_action = lang_server
1594 .request::<lsp::request::CodeActionResolveRequest>(action.lsp_action)
1595 .await?;
1596 } else {
1597 let actions = this
1598 .update(&mut cx, |this, cx| {
1599 this.code_actions(&buffer_handle, action.position.clone(), cx)
1600 })
1601 .await?;
1602 action.lsp_action = actions
1603 .into_iter()
1604 .find(|a| a.lsp_action.title == action.lsp_action.title)
1605 .ok_or_else(|| anyhow!("code action is outdated"))?
1606 .lsp_action;
1607 }
1608
1609 let mut operations = Vec::new();
1610 if let Some(edit) = action.lsp_action.edit {
1611 if let Some(document_changes) = edit.document_changes {
1612 match document_changes {
1613 lsp::DocumentChanges::Edits(edits) => operations
1614 .extend(edits.into_iter().map(lsp::DocumentChangeOperation::Edit)),
1615 lsp::DocumentChanges::Operations(ops) => operations = ops,
1616 }
1617 } else if let Some(changes) = edit.changes {
1618 operations.extend(changes.into_iter().map(|(uri, edits)| {
1619 lsp::DocumentChangeOperation::Edit(lsp::TextDocumentEdit {
1620 text_document: lsp::OptionalVersionedTextDocumentIdentifier {
1621 uri,
1622 version: None,
1623 },
1624 edits: edits.into_iter().map(lsp::OneOf::Left).collect(),
1625 })
1626 }));
1627 }
1628 }
1629
1630 let mut project_transaction = ProjectTransaction::default();
1631 for operation in operations {
1632 match operation {
1633 lsp::DocumentChangeOperation::Op(lsp::ResourceOp::Create(op)) => {
1634 let abs_path = op
1635 .uri
1636 .to_file_path()
1637 .map_err(|_| anyhow!("can't convert URI to path"))?;
1638
1639 if let Some(parent_path) = abs_path.parent() {
1640 fs.create_dir(parent_path).await?;
1641 }
1642 if abs_path.ends_with("/") {
1643 fs.create_dir(&abs_path).await?;
1644 } else {
1645 fs.create_file(
1646 &abs_path,
1647 op.options.map(Into::into).unwrap_or_default(),
1648 )
1649 .await?;
1650 }
1651 }
1652 lsp::DocumentChangeOperation::Op(lsp::ResourceOp::Rename(op)) => {
1653 let source_abs_path = op
1654 .old_uri
1655 .to_file_path()
1656 .map_err(|_| anyhow!("can't convert URI to path"))?;
1657 let target_abs_path = op
1658 .new_uri
1659 .to_file_path()
1660 .map_err(|_| anyhow!("can't convert URI to path"))?;
1661 fs.rename(
1662 &source_abs_path,
1663 &target_abs_path,
1664 op.options.map(Into::into).unwrap_or_default(),
1665 )
1666 .await?;
1667 }
1668 lsp::DocumentChangeOperation::Op(lsp::ResourceOp::Delete(op)) => {
1669 let abs_path = op
1670 .uri
1671 .to_file_path()
1672 .map_err(|_| anyhow!("can't convert URI to path"))?;
1673 let options = op.options.map(Into::into).unwrap_or_default();
1674 if abs_path.ends_with("/") {
1675 fs.remove_dir(&abs_path, options).await?;
1676 } else {
1677 fs.remove_file(&abs_path, options).await?;
1678 }
1679 }
1680 lsp::DocumentChangeOperation::Edit(op) => {
1681 let buffer_to_edit = this
1682 .update(&mut cx, |this, cx| {
1683 this.open_local_buffer_from_lsp_path(
1684 op.text_document.uri,
1685 lang_name.clone(),
1686 lang_server.clone(),
1687 cx,
1688 )
1689 })
1690 .await?;
1691
1692 let edits = buffer_to_edit
1693 .update(&mut cx, |buffer, cx| {
1694 let edits = op.edits.into_iter().map(|edit| match edit {
1695 lsp::OneOf::Left(edit) => edit,
1696 lsp::OneOf::Right(edit) => edit.text_edit,
1697 });
1698 buffer.edits_from_lsp(edits, op.text_document.version, cx)
1699 })
1700 .await?;
1701
1702 let transaction = buffer_to_edit.update(&mut cx, |buffer, cx| {
1703 buffer.finalize_last_transaction();
1704 buffer.start_transaction();
1705 for (range, text) in edits {
1706 buffer.edit([range], text, cx);
1707 }
1708 let transaction = if buffer.end_transaction(cx).is_some() {
1709 let transaction =
1710 buffer.finalize_last_transaction().unwrap().clone();
1711 if !push_to_history {
1712 buffer.forget_transaction(transaction.id);
1713 }
1714 Some(transaction)
1715 } else {
1716 None
1717 };
1718
1719 transaction
1720 });
1721 if let Some(transaction) = transaction {
1722 project_transaction.0.insert(buffer_to_edit, transaction);
1723 }
1724 }
1725 }
1726 }
1727
1728 Ok(project_transaction)
1729 })
1730 } else if let Some(project_id) = self.remote_id() {
1731 let client = self.client.clone();
1732 let request = proto::ApplyCodeAction {
1733 project_id,
1734 buffer_id: buffer_handle.read(cx).remote_id(),
1735 action: Some(language::proto::serialize_code_action(&action)),
1736 };
1737 cx.spawn(|this, mut cx| async move {
1738 let response = client
1739 .request(request)
1740 .await?
1741 .transaction
1742 .ok_or_else(|| anyhow!("missing transaction"))?;
1743 this.update(&mut cx, |this, cx| {
1744 this.deserialize_project_transaction(response, push_to_history, cx)
1745 })
1746 .await
1747 })
1748 } else {
1749 Task::ready(Err(anyhow!("project does not have a remote id")))
1750 }
1751 }
1752
1753 pub fn find_or_create_local_worktree(
1754 &self,
1755 abs_path: impl AsRef<Path>,
1756 weak: bool,
1757 cx: &mut ModelContext<Self>,
1758 ) -> Task<Result<(ModelHandle<Worktree>, PathBuf)>> {
1759 let abs_path = abs_path.as_ref();
1760 if let Some((tree, relative_path)) = self.find_local_worktree(abs_path, cx) {
1761 Task::ready(Ok((tree.clone(), relative_path.into())))
1762 } else {
1763 let worktree = self.create_local_worktree(abs_path, weak, cx);
1764 cx.foreground()
1765 .spawn(async move { Ok((worktree.await?, PathBuf::new())) })
1766 }
1767 }
1768
1769 fn find_local_worktree(
1770 &self,
1771 abs_path: &Path,
1772 cx: &AppContext,
1773 ) -> Option<(ModelHandle<Worktree>, PathBuf)> {
1774 for tree in self.worktrees(cx) {
1775 if let Some(relative_path) = tree
1776 .read(cx)
1777 .as_local()
1778 .and_then(|t| abs_path.strip_prefix(t.abs_path()).ok())
1779 {
1780 return Some((tree.clone(), relative_path.into()));
1781 }
1782 }
1783 None
1784 }
1785
1786 pub fn is_shared(&self) -> bool {
1787 match &self.client_state {
1788 ProjectClientState::Local { is_shared, .. } => *is_shared,
1789 ProjectClientState::Remote { .. } => false,
1790 }
1791 }
1792
1793 fn create_local_worktree(
1794 &self,
1795 abs_path: impl AsRef<Path>,
1796 weak: bool,
1797 cx: &mut ModelContext<Self>,
1798 ) -> Task<Result<ModelHandle<Worktree>>> {
1799 let fs = self.fs.clone();
1800 let client = self.client.clone();
1801 let path = Arc::from(abs_path.as_ref());
1802 cx.spawn(|project, mut cx| async move {
1803 let worktree = Worktree::local(client.clone(), path, weak, fs, &mut cx).await?;
1804
1805 let (remote_project_id, is_shared) = project.update(&mut cx, |project, cx| {
1806 project.add_worktree(&worktree, cx);
1807 (project.remote_id(), project.is_shared())
1808 });
1809
1810 if let Some(project_id) = remote_project_id {
1811 worktree
1812 .update(&mut cx, |worktree, cx| {
1813 worktree.as_local_mut().unwrap().register(project_id, cx)
1814 })
1815 .await?;
1816 if is_shared {
1817 worktree
1818 .update(&mut cx, |worktree, cx| {
1819 worktree.as_local_mut().unwrap().share(project_id, cx)
1820 })
1821 .await?;
1822 }
1823 }
1824
1825 Ok(worktree)
1826 })
1827 }
1828
1829 pub fn remove_worktree(&mut self, id: WorktreeId, cx: &mut ModelContext<Self>) {
1830 self.worktrees.retain(|worktree| {
1831 worktree
1832 .upgrade(cx)
1833 .map_or(false, |w| w.read(cx).id() != id)
1834 });
1835 cx.notify();
1836 }
1837
1838 fn add_worktree(&mut self, worktree: &ModelHandle<Worktree>, cx: &mut ModelContext<Self>) {
1839 cx.observe(&worktree, |_, _, cx| cx.notify()).detach();
1840 if worktree.read(cx).is_local() {
1841 cx.subscribe(&worktree, |this, worktree, _, cx| {
1842 this.update_local_worktree_buffers(worktree, cx);
1843 })
1844 .detach();
1845 }
1846
1847 let push_weak_handle = {
1848 let worktree = worktree.read(cx);
1849 worktree.is_local() && worktree.is_weak()
1850 };
1851 if push_weak_handle {
1852 cx.observe_release(&worktree, |this, cx| {
1853 this.worktrees
1854 .retain(|worktree| worktree.upgrade(cx).is_some());
1855 cx.notify();
1856 })
1857 .detach();
1858 self.worktrees
1859 .push(WorktreeHandle::Weak(worktree.downgrade()));
1860 } else {
1861 self.worktrees
1862 .push(WorktreeHandle::Strong(worktree.clone()));
1863 }
1864 cx.notify();
1865 }
1866
1867 fn update_local_worktree_buffers(
1868 &mut self,
1869 worktree_handle: ModelHandle<Worktree>,
1870 cx: &mut ModelContext<Self>,
1871 ) {
1872 let snapshot = worktree_handle.read(cx).snapshot();
1873 let mut buffers_to_delete = Vec::new();
1874 for (buffer_id, buffer) in &self.open_buffers {
1875 if let Some(buffer) = buffer.upgrade(cx) {
1876 buffer.update(cx, |buffer, cx| {
1877 if let Some(old_file) = File::from_dyn(buffer.file()) {
1878 if old_file.worktree != worktree_handle {
1879 return;
1880 }
1881
1882 let new_file = if let Some(entry) = old_file
1883 .entry_id
1884 .and_then(|entry_id| snapshot.entry_for_id(entry_id))
1885 {
1886 File {
1887 is_local: true,
1888 entry_id: Some(entry.id),
1889 mtime: entry.mtime,
1890 path: entry.path.clone(),
1891 worktree: worktree_handle.clone(),
1892 }
1893 } else if let Some(entry) =
1894 snapshot.entry_for_path(old_file.path().as_ref())
1895 {
1896 File {
1897 is_local: true,
1898 entry_id: Some(entry.id),
1899 mtime: entry.mtime,
1900 path: entry.path.clone(),
1901 worktree: worktree_handle.clone(),
1902 }
1903 } else {
1904 File {
1905 is_local: true,
1906 entry_id: None,
1907 path: old_file.path().clone(),
1908 mtime: old_file.mtime(),
1909 worktree: worktree_handle.clone(),
1910 }
1911 };
1912
1913 if let Some(project_id) = self.remote_id() {
1914 self.client
1915 .send(proto::UpdateBufferFile {
1916 project_id,
1917 buffer_id: *buffer_id as u64,
1918 file: Some(new_file.to_proto()),
1919 })
1920 .log_err();
1921 }
1922 buffer.file_updated(Box::new(new_file), cx).detach();
1923 }
1924 });
1925 } else {
1926 buffers_to_delete.push(*buffer_id);
1927 }
1928 }
1929
1930 for buffer_id in buffers_to_delete {
1931 self.open_buffers.remove(&buffer_id);
1932 }
1933 }
1934
1935 pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut ModelContext<Self>) {
1936 let new_active_entry = entry.and_then(|project_path| {
1937 let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
1938 let entry = worktree.read(cx).entry_for_path(project_path.path)?;
1939 Some(ProjectEntry {
1940 worktree_id: project_path.worktree_id,
1941 entry_id: entry.id,
1942 })
1943 });
1944 if new_active_entry != self.active_entry {
1945 self.active_entry = new_active_entry;
1946 cx.emit(Event::ActiveEntryChanged(new_active_entry));
1947 }
1948 }
1949
1950 pub fn is_running_disk_based_diagnostics(&self) -> bool {
1951 self.language_servers_with_diagnostics_running > 0
1952 }
1953
1954 pub fn diagnostic_summary(&self, cx: &AppContext) -> DiagnosticSummary {
1955 let mut summary = DiagnosticSummary::default();
1956 for (_, path_summary) in self.diagnostic_summaries(cx) {
1957 summary.error_count += path_summary.error_count;
1958 summary.warning_count += path_summary.warning_count;
1959 summary.info_count += path_summary.info_count;
1960 summary.hint_count += path_summary.hint_count;
1961 }
1962 summary
1963 }
1964
1965 pub fn diagnostic_summaries<'a>(
1966 &'a self,
1967 cx: &'a AppContext,
1968 ) -> impl Iterator<Item = (ProjectPath, DiagnosticSummary)> + 'a {
1969 self.worktrees(cx).flat_map(move |worktree| {
1970 let worktree = worktree.read(cx);
1971 let worktree_id = worktree.id();
1972 worktree
1973 .diagnostic_summaries()
1974 .map(move |(path, summary)| (ProjectPath { worktree_id, path }, summary))
1975 })
1976 }
1977
1978 pub fn disk_based_diagnostics_started(&mut self, cx: &mut ModelContext<Self>) {
1979 self.language_servers_with_diagnostics_running += 1;
1980 if self.language_servers_with_diagnostics_running == 1 {
1981 cx.emit(Event::DiskBasedDiagnosticsStarted);
1982 }
1983 }
1984
1985 pub fn disk_based_diagnostics_finished(&mut self, cx: &mut ModelContext<Self>) {
1986 cx.emit(Event::DiskBasedDiagnosticsUpdated);
1987 self.language_servers_with_diagnostics_running -= 1;
1988 if self.language_servers_with_diagnostics_running == 0 {
1989 cx.emit(Event::DiskBasedDiagnosticsFinished);
1990 }
1991 }
1992
1993 pub fn active_entry(&self) -> Option<ProjectEntry> {
1994 self.active_entry
1995 }
1996
1997 // RPC message handlers
1998
1999 fn handle_unshare_project(
2000 &mut self,
2001 _: TypedEnvelope<proto::UnshareProject>,
2002 _: Arc<Client>,
2003 cx: &mut ModelContext<Self>,
2004 ) -> Result<()> {
2005 if let ProjectClientState::Remote {
2006 sharing_has_stopped,
2007 ..
2008 } = &mut self.client_state
2009 {
2010 *sharing_has_stopped = true;
2011 self.collaborators.clear();
2012 cx.notify();
2013 Ok(())
2014 } else {
2015 unreachable!()
2016 }
2017 }
2018
2019 fn handle_add_collaborator(
2020 &mut self,
2021 mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
2022 _: Arc<Client>,
2023 cx: &mut ModelContext<Self>,
2024 ) -> Result<()> {
2025 let user_store = self.user_store.clone();
2026 let collaborator = envelope
2027 .payload
2028 .collaborator
2029 .take()
2030 .ok_or_else(|| anyhow!("empty collaborator"))?;
2031
2032 cx.spawn(|this, mut cx| {
2033 async move {
2034 let collaborator =
2035 Collaborator::from_proto(collaborator, &user_store, &mut cx).await?;
2036 this.update(&mut cx, |this, cx| {
2037 this.collaborators
2038 .insert(collaborator.peer_id, collaborator);
2039 cx.notify();
2040 });
2041 Ok(())
2042 }
2043 .log_err()
2044 })
2045 .detach();
2046
2047 Ok(())
2048 }
2049
2050 fn handle_remove_collaborator(
2051 &mut self,
2052 envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
2053 _: Arc<Client>,
2054 cx: &mut ModelContext<Self>,
2055 ) -> Result<()> {
2056 let peer_id = PeerId(envelope.payload.peer_id);
2057 let replica_id = self
2058 .collaborators
2059 .remove(&peer_id)
2060 .ok_or_else(|| anyhow!("unknown peer {:?}", peer_id))?
2061 .replica_id;
2062 self.shared_buffers.remove(&peer_id);
2063 for (_, buffer) in &self.open_buffers {
2064 if let Some(buffer) = buffer.upgrade(cx) {
2065 buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
2066 }
2067 }
2068 cx.notify();
2069 Ok(())
2070 }
2071
2072 fn handle_share_worktree(
2073 &mut self,
2074 envelope: TypedEnvelope<proto::ShareWorktree>,
2075 client: Arc<Client>,
2076 cx: &mut ModelContext<Self>,
2077 ) -> Result<()> {
2078 let remote_id = self.remote_id().ok_or_else(|| anyhow!("invalid project"))?;
2079 let replica_id = self.replica_id();
2080 let worktree = envelope
2081 .payload
2082 .worktree
2083 .ok_or_else(|| anyhow!("invalid worktree"))?;
2084 let (worktree, load_task) = Worktree::remote(remote_id, replica_id, worktree, client, cx);
2085 self.add_worktree(&worktree, cx);
2086 load_task.detach();
2087 Ok(())
2088 }
2089
2090 fn handle_unregister_worktree(
2091 &mut self,
2092 envelope: TypedEnvelope<proto::UnregisterWorktree>,
2093 _: Arc<Client>,
2094 cx: &mut ModelContext<Self>,
2095 ) -> Result<()> {
2096 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
2097 self.remove_worktree(worktree_id, cx);
2098 Ok(())
2099 }
2100
2101 fn handle_update_worktree(
2102 &mut self,
2103 envelope: TypedEnvelope<proto::UpdateWorktree>,
2104 _: Arc<Client>,
2105 cx: &mut ModelContext<Self>,
2106 ) -> Result<()> {
2107 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
2108 if let Some(worktree) = self.worktree_for_id(worktree_id, cx) {
2109 worktree.update(cx, |worktree, cx| {
2110 let worktree = worktree.as_remote_mut().unwrap();
2111 worktree.update_from_remote(envelope, cx)
2112 })?;
2113 }
2114 Ok(())
2115 }
2116
2117 fn handle_update_diagnostic_summary(
2118 &mut self,
2119 envelope: TypedEnvelope<proto::UpdateDiagnosticSummary>,
2120 _: Arc<Client>,
2121 cx: &mut ModelContext<Self>,
2122 ) -> Result<()> {
2123 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
2124 if let Some(worktree) = self.worktree_for_id(worktree_id, cx) {
2125 if let Some(summary) = envelope.payload.summary {
2126 let project_path = ProjectPath {
2127 worktree_id,
2128 path: Path::new(&summary.path).into(),
2129 };
2130 worktree.update(cx, |worktree, _| {
2131 worktree
2132 .as_remote_mut()
2133 .unwrap()
2134 .update_diagnostic_summary(project_path.path.clone(), &summary);
2135 });
2136 cx.emit(Event::DiagnosticsUpdated(project_path));
2137 }
2138 }
2139 Ok(())
2140 }
2141
2142 fn handle_disk_based_diagnostics_updating(
2143 &mut self,
2144 _: TypedEnvelope<proto::DiskBasedDiagnosticsUpdating>,
2145 _: Arc<Client>,
2146 cx: &mut ModelContext<Self>,
2147 ) -> Result<()> {
2148 self.disk_based_diagnostics_started(cx);
2149 Ok(())
2150 }
2151
2152 fn handle_disk_based_diagnostics_updated(
2153 &mut self,
2154 _: TypedEnvelope<proto::DiskBasedDiagnosticsUpdated>,
2155 _: Arc<Client>,
2156 cx: &mut ModelContext<Self>,
2157 ) -> Result<()> {
2158 self.disk_based_diagnostics_finished(cx);
2159 Ok(())
2160 }
2161
2162 pub fn handle_update_buffer(
2163 &mut self,
2164 envelope: TypedEnvelope<proto::UpdateBuffer>,
2165 _: Arc<Client>,
2166 cx: &mut ModelContext<Self>,
2167 ) -> Result<()> {
2168 let payload = envelope.payload.clone();
2169 let buffer_id = payload.buffer_id as usize;
2170 let ops = payload
2171 .operations
2172 .into_iter()
2173 .map(|op| language::proto::deserialize_operation(op))
2174 .collect::<Result<Vec<_>, _>>()?;
2175 if let Some(buffer) = self.open_buffers.get_mut(&buffer_id) {
2176 if let Some(buffer) = buffer.upgrade(cx) {
2177 buffer.update(cx, |buffer, cx| buffer.apply_ops(ops, cx))?;
2178 }
2179 }
2180 Ok(())
2181 }
2182
2183 pub fn handle_update_buffer_file(
2184 &mut self,
2185 envelope: TypedEnvelope<proto::UpdateBufferFile>,
2186 _: Arc<Client>,
2187 cx: &mut ModelContext<Self>,
2188 ) -> Result<()> {
2189 let payload = envelope.payload.clone();
2190 let buffer_id = payload.buffer_id as usize;
2191 let file = payload.file.ok_or_else(|| anyhow!("invalid file"))?;
2192 let worktree = self
2193 .worktree_for_id(WorktreeId::from_proto(file.worktree_id), cx)
2194 .ok_or_else(|| anyhow!("no such worktree"))?;
2195 let file = File::from_proto(file, worktree.clone(), cx)?;
2196 let buffer = self
2197 .open_buffers
2198 .get_mut(&buffer_id)
2199 .and_then(|b| b.upgrade(cx))
2200 .ok_or_else(|| anyhow!("no such buffer"))?;
2201 buffer.update(cx, |buffer, cx| {
2202 buffer.file_updated(Box::new(file), cx).detach();
2203 });
2204
2205 Ok(())
2206 }
2207
2208 pub fn handle_save_buffer(
2209 &mut self,
2210 envelope: TypedEnvelope<proto::SaveBuffer>,
2211 rpc: Arc<Client>,
2212 cx: &mut ModelContext<Self>,
2213 ) -> Result<()> {
2214 let sender_id = envelope.original_sender_id()?;
2215 let project_id = self.remote_id().ok_or_else(|| anyhow!("not connected"))?;
2216 let buffer = self
2217 .shared_buffers
2218 .get(&sender_id)
2219 .and_then(|shared_buffers| shared_buffers.get(&envelope.payload.buffer_id).cloned())
2220 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
2221 let receipt = envelope.receipt();
2222 let buffer_id = envelope.payload.buffer_id;
2223 let save = cx.spawn(|_, mut cx| async move {
2224 buffer.update(&mut cx, |buffer, cx| buffer.save(cx)).await
2225 });
2226
2227 cx.background()
2228 .spawn(
2229 async move {
2230 let (version, mtime) = save.await?;
2231
2232 rpc.respond(
2233 receipt,
2234 proto::BufferSaved {
2235 project_id,
2236 buffer_id,
2237 version: (&version).into(),
2238 mtime: Some(mtime.into()),
2239 },
2240 )?;
2241
2242 Ok(())
2243 }
2244 .log_err(),
2245 )
2246 .detach();
2247 Ok(())
2248 }
2249
2250 pub fn handle_format_buffers(
2251 &mut self,
2252 envelope: TypedEnvelope<proto::FormatBuffers>,
2253 rpc: Arc<Client>,
2254 cx: &mut ModelContext<Self>,
2255 ) -> Result<()> {
2256 let receipt = envelope.receipt();
2257 let sender_id = envelope.original_sender_id()?;
2258 let shared_buffers = self
2259 .shared_buffers
2260 .get(&sender_id)
2261 .ok_or_else(|| anyhow!("peer has no buffers"))?;
2262 let mut buffers = HashSet::default();
2263 for buffer_id in envelope.payload.buffer_ids {
2264 buffers.insert(
2265 shared_buffers
2266 .get(&buffer_id)
2267 .cloned()
2268 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))?,
2269 );
2270 }
2271 cx.spawn(|this, mut cx| async move {
2272 dbg!("here!");
2273 let project_transaction = this
2274 .update(&mut cx, |this, cx| this.format(buffers, false, cx))
2275 .await
2276 .map(|project_transaction| {
2277 this.update(&mut cx, |this, cx| {
2278 this.serialize_project_transaction_for_peer(
2279 project_transaction,
2280 sender_id,
2281 cx,
2282 )
2283 })
2284 });
2285 // We spawn here in order to enqueue the sending of the response *after* transmission of
2286 // edits associated with formatting.
2287 cx.spawn(|_| async move {
2288 match project_transaction {
2289 Ok(transaction) => rpc.respond(
2290 receipt,
2291 proto::FormatBuffersResponse {
2292 transaction: Some(transaction),
2293 },
2294 )?,
2295 Err(error) => rpc.respond_with_error(
2296 receipt,
2297 proto::Error {
2298 message: error.to_string(),
2299 },
2300 )?,
2301 }
2302 Ok::<_, anyhow::Error>(())
2303 })
2304 .await
2305 .log_err();
2306 })
2307 .detach();
2308 Ok(())
2309 }
2310
2311 fn handle_get_completions(
2312 &mut self,
2313 envelope: TypedEnvelope<proto::GetCompletions>,
2314 rpc: Arc<Client>,
2315 cx: &mut ModelContext<Self>,
2316 ) -> Result<()> {
2317 let receipt = envelope.receipt();
2318 let sender_id = envelope.original_sender_id()?;
2319 let buffer = self
2320 .shared_buffers
2321 .get(&sender_id)
2322 .and_then(|shared_buffers| shared_buffers.get(&envelope.payload.buffer_id).cloned())
2323 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
2324 let position = envelope
2325 .payload
2326 .position
2327 .and_then(language::proto::deserialize_anchor)
2328 .ok_or_else(|| anyhow!("invalid position"))?;
2329 cx.spawn(|this, mut cx| async move {
2330 match this
2331 .update(&mut cx, |this, cx| this.completions(&buffer, position, cx))
2332 .await
2333 {
2334 Ok(completions) => rpc.respond(
2335 receipt,
2336 proto::GetCompletionsResponse {
2337 completions: completions
2338 .iter()
2339 .map(language::proto::serialize_completion)
2340 .collect(),
2341 },
2342 ),
2343 Err(error) => rpc.respond_with_error(
2344 receipt,
2345 proto::Error {
2346 message: error.to_string(),
2347 },
2348 ),
2349 }
2350 })
2351 .detach_and_log_err(cx);
2352 Ok(())
2353 }
2354
2355 fn handle_apply_additional_edits_for_completion(
2356 &mut self,
2357 envelope: TypedEnvelope<proto::ApplyCompletionAdditionalEdits>,
2358 rpc: Arc<Client>,
2359 cx: &mut ModelContext<Self>,
2360 ) -> Result<()> {
2361 let receipt = envelope.receipt();
2362 let sender_id = envelope.original_sender_id()?;
2363 let buffer = self
2364 .shared_buffers
2365 .get(&sender_id)
2366 .and_then(|shared_buffers| shared_buffers.get(&envelope.payload.buffer_id).cloned())
2367 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
2368 let language = buffer.read(cx).language();
2369 let completion = language::proto::deserialize_completion(
2370 envelope
2371 .payload
2372 .completion
2373 .ok_or_else(|| anyhow!("invalid completion"))?,
2374 language,
2375 )?;
2376 dbg!(&completion);
2377 cx.spawn(|this, mut cx| async move {
2378 match this
2379 .update(&mut cx, |this, cx| {
2380 this.apply_additional_edits_for_completion(buffer, completion, false, cx)
2381 })
2382 .await
2383 {
2384 Ok(transaction) => rpc.respond(
2385 receipt,
2386 proto::ApplyCompletionAdditionalEditsResponse {
2387 transaction: transaction
2388 .as_ref()
2389 .map(language::proto::serialize_transaction),
2390 },
2391 ),
2392 Err(error) => rpc.respond_with_error(
2393 receipt,
2394 proto::Error {
2395 message: error.to_string(),
2396 },
2397 ),
2398 }
2399 })
2400 .detach_and_log_err(cx);
2401 Ok(())
2402 }
2403
2404 fn handle_get_code_actions(
2405 &mut self,
2406 envelope: TypedEnvelope<proto::GetCodeActions>,
2407 rpc: Arc<Client>,
2408 cx: &mut ModelContext<Self>,
2409 ) -> Result<()> {
2410 let receipt = envelope.receipt();
2411 let sender_id = envelope.original_sender_id()?;
2412 let buffer = self
2413 .shared_buffers
2414 .get(&sender_id)
2415 .and_then(|shared_buffers| shared_buffers.get(&envelope.payload.buffer_id).cloned())
2416 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
2417 let position = envelope
2418 .payload
2419 .position
2420 .and_then(language::proto::deserialize_anchor)
2421 .ok_or_else(|| anyhow!("invalid position"))?;
2422 cx.spawn(|this, mut cx| async move {
2423 eprintln!("getting code actions");
2424 match this
2425 .update(&mut cx, |this, cx| this.code_actions(&buffer, position, cx))
2426 .await
2427 {
2428 Ok(actions) => rpc.respond(
2429 receipt,
2430 proto::GetCodeActionsResponse {
2431 actions: dbg!(actions)
2432 .iter()
2433 .map(language::proto::serialize_code_action)
2434 .collect(),
2435 },
2436 ),
2437 Err(error) => rpc.respond_with_error(
2438 receipt,
2439 proto::Error {
2440 message: dbg!(error.to_string()),
2441 },
2442 ),
2443 }
2444 })
2445 .detach_and_log_err(cx);
2446 Ok(())
2447 }
2448
2449 fn handle_apply_code_action(
2450 &mut self,
2451 envelope: TypedEnvelope<proto::ApplyCodeAction>,
2452 rpc: Arc<Client>,
2453 cx: &mut ModelContext<Self>,
2454 ) -> Result<()> {
2455 let receipt = envelope.receipt();
2456 let sender_id = envelope.original_sender_id()?;
2457 let buffer = self
2458 .shared_buffers
2459 .get(&sender_id)
2460 .and_then(|shared_buffers| shared_buffers.get(&envelope.payload.buffer_id).cloned())
2461 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
2462 let action = language::proto::deserialize_code_action(
2463 envelope
2464 .payload
2465 .action
2466 .ok_or_else(|| anyhow!("invalid action"))?,
2467 )?;
2468 let apply_code_action = self.apply_code_action(buffer, action, false, cx);
2469 cx.spawn(|this, mut cx| async move {
2470 match apply_code_action.await {
2471 Ok(project_transaction) => this.update(&mut cx, |this, cx| {
2472 let serialized_transaction = this.serialize_project_transaction_for_peer(
2473 project_transaction,
2474 sender_id,
2475 cx,
2476 );
2477 rpc.respond(
2478 receipt,
2479 proto::ApplyCodeActionResponse {
2480 transaction: Some(serialized_transaction),
2481 },
2482 )
2483 }),
2484 Err(error) => rpc.respond_with_error(
2485 receipt,
2486 proto::Error {
2487 message: error.to_string(),
2488 },
2489 ),
2490 }
2491 })
2492 .detach_and_log_err(cx);
2493 Ok(())
2494 }
2495
2496 pub fn handle_get_definition(
2497 &mut self,
2498 envelope: TypedEnvelope<proto::GetDefinition>,
2499 rpc: Arc<Client>,
2500 cx: &mut ModelContext<Self>,
2501 ) -> Result<()> {
2502 let receipt = envelope.receipt();
2503 let sender_id = envelope.original_sender_id()?;
2504 let source_buffer = self
2505 .shared_buffers
2506 .get(&sender_id)
2507 .and_then(|shared_buffers| shared_buffers.get(&envelope.payload.buffer_id).cloned())
2508 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
2509 let position = envelope
2510 .payload
2511 .position
2512 .and_then(deserialize_anchor)
2513 .ok_or_else(|| anyhow!("invalid position"))?;
2514 if !source_buffer.read(cx).can_resolve(&position) {
2515 return Err(anyhow!("cannot resolve position"));
2516 }
2517
2518 let definitions = self.definition(&source_buffer, position, cx);
2519 cx.spawn(|this, mut cx| async move {
2520 let definitions = definitions.await?;
2521 let mut response = proto::GetDefinitionResponse {
2522 definitions: Default::default(),
2523 };
2524 this.update(&mut cx, |this, cx| {
2525 for definition in definitions {
2526 let buffer =
2527 this.serialize_buffer_for_peer(&definition.target_buffer, sender_id, cx);
2528 response.definitions.push(proto::Definition {
2529 target_start: Some(serialize_anchor(&definition.target_range.start)),
2530 target_end: Some(serialize_anchor(&definition.target_range.end)),
2531 buffer: Some(buffer),
2532 });
2533 }
2534 });
2535 rpc.respond(receipt, response)?;
2536 Ok::<_, anyhow::Error>(())
2537 })
2538 .detach_and_log_err(cx);
2539
2540 Ok(())
2541 }
2542
2543 pub fn handle_open_buffer(
2544 &mut self,
2545 envelope: TypedEnvelope<proto::OpenBuffer>,
2546 rpc: Arc<Client>,
2547 cx: &mut ModelContext<Self>,
2548 ) -> anyhow::Result<()> {
2549 let receipt = envelope.receipt();
2550 let peer_id = envelope.original_sender_id()?;
2551 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
2552 let open_buffer = self.open_buffer(
2553 ProjectPath {
2554 worktree_id,
2555 path: PathBuf::from(envelope.payload.path).into(),
2556 },
2557 cx,
2558 );
2559 cx.spawn(|this, mut cx| {
2560 async move {
2561 let buffer = open_buffer.await?;
2562 let buffer = this.update(&mut cx, |this, cx| {
2563 this.serialize_buffer_for_peer(&buffer, peer_id, cx)
2564 });
2565 rpc.respond(
2566 receipt,
2567 proto::OpenBufferResponse {
2568 buffer: Some(buffer),
2569 },
2570 )
2571 }
2572 .log_err()
2573 })
2574 .detach();
2575 Ok(())
2576 }
2577
2578 fn serialize_project_transaction_for_peer(
2579 &mut self,
2580 project_transaction: ProjectTransaction,
2581 peer_id: PeerId,
2582 cx: &AppContext,
2583 ) -> proto::ProjectTransaction {
2584 let mut serialized_transaction = proto::ProjectTransaction {
2585 buffers: Default::default(),
2586 transactions: Default::default(),
2587 };
2588 for (buffer, transaction) in project_transaction.0 {
2589 serialized_transaction
2590 .buffers
2591 .push(self.serialize_buffer_for_peer(&buffer, peer_id, cx));
2592 serialized_transaction
2593 .transactions
2594 .push(language::proto::serialize_transaction(&transaction));
2595 }
2596 serialized_transaction
2597 }
2598
2599 fn deserialize_project_transaction(
2600 &self,
2601 message: proto::ProjectTransaction,
2602 push_to_history: bool,
2603 cx: &mut ModelContext<Self>,
2604 ) -> Task<Result<ProjectTransaction>> {
2605 cx.spawn(|this, mut cx| async move {
2606 let mut project_transaction = ProjectTransaction::default();
2607 for (buffer, transaction) in message.buffers.into_iter().zip(message.transactions) {
2608 let buffer =
2609 this.update(&mut cx, |this, cx| this.deserialize_buffer(buffer, cx))?;
2610 let transaction = language::proto::deserialize_transaction(transaction)?;
2611
2612 buffer
2613 .update(&mut cx, |buffer, _| {
2614 buffer.wait_for_edits(transaction.edit_ids.iter().copied())
2615 })
2616 .await;
2617
2618 if push_to_history {
2619 buffer.update(&mut cx, |buffer, _| {
2620 buffer.push_transaction(transaction.clone(), Instant::now());
2621 });
2622 }
2623
2624 project_transaction.0.insert(buffer, transaction);
2625 }
2626 Ok(project_transaction)
2627 })
2628 }
2629
2630 fn serialize_buffer_for_peer(
2631 &mut self,
2632 buffer: &ModelHandle<Buffer>,
2633 peer_id: PeerId,
2634 cx: &AppContext,
2635 ) -> proto::Buffer {
2636 let buffer_id = buffer.read(cx).remote_id();
2637 let shared_buffers = self.shared_buffers.entry(peer_id).or_default();
2638 match shared_buffers.entry(buffer_id) {
2639 hash_map::Entry::Occupied(_) => proto::Buffer {
2640 variant: Some(proto::buffer::Variant::Id(buffer_id)),
2641 },
2642 hash_map::Entry::Vacant(entry) => {
2643 entry.insert(buffer.clone());
2644 proto::Buffer {
2645 variant: Some(proto::buffer::Variant::State(buffer.read(cx).to_proto())),
2646 }
2647 }
2648 }
2649 }
2650
2651 fn deserialize_buffer(
2652 &mut self,
2653 buffer: proto::Buffer,
2654 cx: &mut ModelContext<Self>,
2655 ) -> Result<ModelHandle<Buffer>> {
2656 match buffer.variant.ok_or_else(|| anyhow!("missing buffer"))? {
2657 proto::buffer::Variant::Id(id) => self
2658 .open_buffers
2659 .get(&(id as usize))
2660 .and_then(|buffer| buffer.upgrade(cx))
2661 .ok_or_else(|| anyhow!("no buffer exists for id {}", id)),
2662 proto::buffer::Variant::State(mut buffer) => {
2663 let mut buffer_worktree = None;
2664 let mut buffer_file = None;
2665 if let Some(file) = buffer.file.take() {
2666 let worktree_id = WorktreeId::from_proto(file.worktree_id);
2667 let worktree = self
2668 .worktree_for_id(worktree_id, cx)
2669 .ok_or_else(|| anyhow!("no worktree found for id {}", file.worktree_id))?;
2670 buffer_file = Some(Box::new(File::from_proto(file, worktree.clone(), cx)?)
2671 as Box<dyn language::File>);
2672 buffer_worktree = Some(worktree);
2673 }
2674
2675 let buffer = cx.add_model(|cx| {
2676 Buffer::from_proto(self.replica_id(), buffer, buffer_file, cx).unwrap()
2677 });
2678 self.register_buffer(&buffer, buffer_worktree.as_ref(), cx)?;
2679 Ok(buffer)
2680 }
2681 }
2682 }
2683
2684 pub fn handle_close_buffer(
2685 &mut self,
2686 envelope: TypedEnvelope<proto::CloseBuffer>,
2687 _: Arc<Client>,
2688 cx: &mut ModelContext<Self>,
2689 ) -> anyhow::Result<()> {
2690 if let Some(shared_buffers) = self.shared_buffers.get_mut(&envelope.original_sender_id()?) {
2691 shared_buffers.remove(&envelope.payload.buffer_id);
2692 cx.notify();
2693 }
2694 Ok(())
2695 }
2696
2697 pub fn handle_buffer_saved(
2698 &mut self,
2699 envelope: TypedEnvelope<proto::BufferSaved>,
2700 _: Arc<Client>,
2701 cx: &mut ModelContext<Self>,
2702 ) -> Result<()> {
2703 let payload = envelope.payload.clone();
2704 let buffer = self
2705 .open_buffers
2706 .get(&(payload.buffer_id as usize))
2707 .and_then(|buffer| buffer.upgrade(cx));
2708 if let Some(buffer) = buffer {
2709 buffer.update(cx, |buffer, cx| {
2710 let version = payload.version.try_into()?;
2711 let mtime = payload
2712 .mtime
2713 .ok_or_else(|| anyhow!("missing mtime"))?
2714 .into();
2715 buffer.did_save(version, mtime, None, cx);
2716 Result::<_, anyhow::Error>::Ok(())
2717 })?;
2718 }
2719 Ok(())
2720 }
2721
2722 pub fn handle_buffer_reloaded(
2723 &mut self,
2724 envelope: TypedEnvelope<proto::BufferReloaded>,
2725 _: Arc<Client>,
2726 cx: &mut ModelContext<Self>,
2727 ) -> Result<()> {
2728 let payload = envelope.payload.clone();
2729 let buffer = self
2730 .open_buffers
2731 .get(&(payload.buffer_id as usize))
2732 .and_then(|buffer| buffer.upgrade(cx));
2733 if let Some(buffer) = buffer {
2734 buffer.update(cx, |buffer, cx| {
2735 let version = payload.version.try_into()?;
2736 let mtime = payload
2737 .mtime
2738 .ok_or_else(|| anyhow!("missing mtime"))?
2739 .into();
2740 buffer.did_reload(version, mtime, cx);
2741 Result::<_, anyhow::Error>::Ok(())
2742 })?;
2743 }
2744 Ok(())
2745 }
2746
2747 pub fn match_paths<'a>(
2748 &self,
2749 query: &'a str,
2750 include_ignored: bool,
2751 smart_case: bool,
2752 max_results: usize,
2753 cancel_flag: &'a AtomicBool,
2754 cx: &AppContext,
2755 ) -> impl 'a + Future<Output = Vec<PathMatch>> {
2756 let worktrees = self
2757 .worktrees(cx)
2758 .filter(|worktree| !worktree.read(cx).is_weak())
2759 .collect::<Vec<_>>();
2760 let include_root_name = worktrees.len() > 1;
2761 let candidate_sets = worktrees
2762 .into_iter()
2763 .map(|worktree| CandidateSet {
2764 snapshot: worktree.read(cx).snapshot(),
2765 include_ignored,
2766 include_root_name,
2767 })
2768 .collect::<Vec<_>>();
2769
2770 let background = cx.background().clone();
2771 async move {
2772 fuzzy::match_paths(
2773 candidate_sets.as_slice(),
2774 query,
2775 smart_case,
2776 max_results,
2777 cancel_flag,
2778 background,
2779 )
2780 .await
2781 }
2782 }
2783}
2784
2785impl WorktreeHandle {
2786 pub fn upgrade(&self, cx: &AppContext) -> Option<ModelHandle<Worktree>> {
2787 match self {
2788 WorktreeHandle::Strong(handle) => Some(handle.clone()),
2789 WorktreeHandle::Weak(handle) => handle.upgrade(cx),
2790 }
2791 }
2792}
2793
2794struct CandidateSet {
2795 snapshot: Snapshot,
2796 include_ignored: bool,
2797 include_root_name: bool,
2798}
2799
2800impl<'a> PathMatchCandidateSet<'a> for CandidateSet {
2801 type Candidates = CandidateSetIter<'a>;
2802
2803 fn id(&self) -> usize {
2804 self.snapshot.id().to_usize()
2805 }
2806
2807 fn len(&self) -> usize {
2808 if self.include_ignored {
2809 self.snapshot.file_count()
2810 } else {
2811 self.snapshot.visible_file_count()
2812 }
2813 }
2814
2815 fn prefix(&self) -> Arc<str> {
2816 if self.snapshot.root_entry().map_or(false, |e| e.is_file()) {
2817 self.snapshot.root_name().into()
2818 } else if self.include_root_name {
2819 format!("{}/", self.snapshot.root_name()).into()
2820 } else {
2821 "".into()
2822 }
2823 }
2824
2825 fn candidates(&'a self, start: usize) -> Self::Candidates {
2826 CandidateSetIter {
2827 traversal: self.snapshot.files(self.include_ignored, start),
2828 }
2829 }
2830}
2831
2832struct CandidateSetIter<'a> {
2833 traversal: Traversal<'a>,
2834}
2835
2836impl<'a> Iterator for CandidateSetIter<'a> {
2837 type Item = PathMatchCandidate<'a>;
2838
2839 fn next(&mut self) -> Option<Self::Item> {
2840 self.traversal.next().map(|entry| {
2841 if let EntryKind::File(char_bag) = entry.kind {
2842 PathMatchCandidate {
2843 path: &entry.path,
2844 char_bag,
2845 }
2846 } else {
2847 unreachable!()
2848 }
2849 })
2850 }
2851}
2852
2853impl Entity for Project {
2854 type Event = Event;
2855
2856 fn release(&mut self, _: &mut gpui::MutableAppContext) {
2857 match &self.client_state {
2858 ProjectClientState::Local { remote_id_rx, .. } => {
2859 if let Some(project_id) = *remote_id_rx.borrow() {
2860 self.client
2861 .send(proto::UnregisterProject { project_id })
2862 .log_err();
2863 }
2864 }
2865 ProjectClientState::Remote { remote_id, .. } => {
2866 self.client
2867 .send(proto::LeaveProject {
2868 project_id: *remote_id,
2869 })
2870 .log_err();
2871 }
2872 }
2873 }
2874
2875 fn app_will_quit(
2876 &mut self,
2877 _: &mut MutableAppContext,
2878 ) -> Option<std::pin::Pin<Box<dyn 'static + Future<Output = ()>>>> {
2879 use futures::FutureExt;
2880
2881 let shutdown_futures = self
2882 .language_servers
2883 .drain()
2884 .filter_map(|(_, server)| server.shutdown())
2885 .collect::<Vec<_>>();
2886 Some(
2887 async move {
2888 futures::future::join_all(shutdown_futures).await;
2889 }
2890 .boxed(),
2891 )
2892 }
2893}
2894
2895impl Collaborator {
2896 fn from_proto(
2897 message: proto::Collaborator,
2898 user_store: &ModelHandle<UserStore>,
2899 cx: &mut AsyncAppContext,
2900 ) -> impl Future<Output = Result<Self>> {
2901 let user = user_store.update(cx, |user_store, cx| {
2902 user_store.fetch_user(message.user_id, cx)
2903 });
2904
2905 async move {
2906 Ok(Self {
2907 peer_id: PeerId(message.peer_id),
2908 user: user.await?,
2909 replica_id: message.replica_id as ReplicaId,
2910 })
2911 }
2912 }
2913}
2914
2915impl<P: AsRef<Path>> From<(WorktreeId, P)> for ProjectPath {
2916 fn from((worktree_id, path): (WorktreeId, P)) -> Self {
2917 Self {
2918 worktree_id,
2919 path: path.as_ref().into(),
2920 }
2921 }
2922}
2923
2924impl From<lsp::CreateFileOptions> for fs::CreateOptions {
2925 fn from(options: lsp::CreateFileOptions) -> Self {
2926 Self {
2927 overwrite: options.overwrite.unwrap_or(false),
2928 ignore_if_exists: options.ignore_if_exists.unwrap_or(false),
2929 }
2930 }
2931}
2932
2933impl From<lsp::RenameFileOptions> for fs::RenameOptions {
2934 fn from(options: lsp::RenameFileOptions) -> Self {
2935 Self {
2936 overwrite: options.overwrite.unwrap_or(false),
2937 ignore_if_exists: options.ignore_if_exists.unwrap_or(false),
2938 }
2939 }
2940}
2941
2942impl From<lsp::DeleteFileOptions> for fs::RemoveOptions {
2943 fn from(options: lsp::DeleteFileOptions) -> Self {
2944 Self {
2945 recursive: options.recursive.unwrap_or(false),
2946 ignore_if_not_exists: options.ignore_if_not_exists.unwrap_or(false),
2947 }
2948 }
2949}
2950
2951#[cfg(test)]
2952mod tests {
2953 use super::{Event, *};
2954 use client::test::FakeHttpClient;
2955 use fs::RealFs;
2956 use futures::StreamExt;
2957 use gpui::test::subscribe;
2958 use language::{
2959 tree_sitter_rust, AnchorRangeExt, Diagnostic, LanguageConfig, LanguageRegistry,
2960 LanguageServerConfig, Point,
2961 };
2962 use lsp::Url;
2963 use serde_json::json;
2964 use std::{cell::RefCell, os::unix, path::PathBuf, rc::Rc};
2965 use unindent::Unindent as _;
2966 use util::test::temp_tree;
2967 use worktree::WorktreeHandle as _;
2968
2969 #[gpui::test]
2970 async fn test_populate_and_search(mut cx: gpui::TestAppContext) {
2971 let dir = temp_tree(json!({
2972 "root": {
2973 "apple": "",
2974 "banana": {
2975 "carrot": {
2976 "date": "",
2977 "endive": "",
2978 }
2979 },
2980 "fennel": {
2981 "grape": "",
2982 }
2983 }
2984 }));
2985
2986 let root_link_path = dir.path().join("root_link");
2987 unix::fs::symlink(&dir.path().join("root"), &root_link_path).unwrap();
2988 unix::fs::symlink(
2989 &dir.path().join("root/fennel"),
2990 &dir.path().join("root/finnochio"),
2991 )
2992 .unwrap();
2993
2994 let project = Project::test(Arc::new(RealFs), &mut cx);
2995
2996 let (tree, _) = project
2997 .update(&mut cx, |project, cx| {
2998 project.find_or_create_local_worktree(&root_link_path, false, cx)
2999 })
3000 .await
3001 .unwrap();
3002
3003 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3004 .await;
3005 cx.read(|cx| {
3006 let tree = tree.read(cx);
3007 assert_eq!(tree.file_count(), 5);
3008 assert_eq!(
3009 tree.inode_for_path("fennel/grape"),
3010 tree.inode_for_path("finnochio/grape")
3011 );
3012 });
3013
3014 let cancel_flag = Default::default();
3015 let results = project
3016 .read_with(&cx, |project, cx| {
3017 project.match_paths("bna", false, false, 10, &cancel_flag, cx)
3018 })
3019 .await;
3020 assert_eq!(
3021 results
3022 .into_iter()
3023 .map(|result| result.path)
3024 .collect::<Vec<Arc<Path>>>(),
3025 vec![
3026 PathBuf::from("banana/carrot/date").into(),
3027 PathBuf::from("banana/carrot/endive").into(),
3028 ]
3029 );
3030 }
3031
3032 #[gpui::test]
3033 async fn test_language_server_diagnostics(mut cx: gpui::TestAppContext) {
3034 let (language_server_config, mut fake_server) = LanguageServerConfig::fake(&cx).await;
3035 let progress_token = language_server_config
3036 .disk_based_diagnostics_progress_token
3037 .clone()
3038 .unwrap();
3039
3040 let mut languages = LanguageRegistry::new();
3041 languages.add(Arc::new(Language::new(
3042 LanguageConfig {
3043 name: "Rust".to_string(),
3044 path_suffixes: vec!["rs".to_string()],
3045 language_server: Some(language_server_config),
3046 ..Default::default()
3047 },
3048 Some(tree_sitter_rust::language()),
3049 )));
3050
3051 let dir = temp_tree(json!({
3052 "a.rs": "fn a() { A }",
3053 "b.rs": "const y: i32 = 1",
3054 }));
3055
3056 let http_client = FakeHttpClient::with_404_response();
3057 let client = Client::new(http_client.clone());
3058 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http_client, cx));
3059
3060 let project = cx.update(|cx| {
3061 Project::local(
3062 client,
3063 user_store,
3064 Arc::new(languages),
3065 Arc::new(RealFs),
3066 cx,
3067 )
3068 });
3069
3070 let (tree, _) = project
3071 .update(&mut cx, |project, cx| {
3072 project.find_or_create_local_worktree(dir.path(), false, cx)
3073 })
3074 .await
3075 .unwrap();
3076 let worktree_id = tree.read_with(&cx, |tree, _| tree.id());
3077
3078 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3079 .await;
3080
3081 // Cause worktree to start the fake language server
3082 let _buffer = project
3083 .update(&mut cx, |project, cx| {
3084 project.open_buffer(
3085 ProjectPath {
3086 worktree_id,
3087 path: Path::new("b.rs").into(),
3088 },
3089 cx,
3090 )
3091 })
3092 .await
3093 .unwrap();
3094
3095 let mut events = subscribe(&project, &mut cx);
3096
3097 fake_server.start_progress(&progress_token).await;
3098 assert_eq!(
3099 events.next().await.unwrap(),
3100 Event::DiskBasedDiagnosticsStarted
3101 );
3102
3103 fake_server.start_progress(&progress_token).await;
3104 fake_server.end_progress(&progress_token).await;
3105 fake_server.start_progress(&progress_token).await;
3106
3107 fake_server
3108 .notify::<lsp::notification::PublishDiagnostics>(lsp::PublishDiagnosticsParams {
3109 uri: Url::from_file_path(dir.path().join("a.rs")).unwrap(),
3110 version: None,
3111 diagnostics: vec![lsp::Diagnostic {
3112 range: lsp::Range::new(lsp::Position::new(0, 9), lsp::Position::new(0, 10)),
3113 severity: Some(lsp::DiagnosticSeverity::ERROR),
3114 message: "undefined variable 'A'".to_string(),
3115 ..Default::default()
3116 }],
3117 })
3118 .await;
3119 assert_eq!(
3120 events.next().await.unwrap(),
3121 Event::DiagnosticsUpdated(ProjectPath {
3122 worktree_id,
3123 path: Arc::from(Path::new("a.rs"))
3124 })
3125 );
3126
3127 fake_server.end_progress(&progress_token).await;
3128 fake_server.end_progress(&progress_token).await;
3129 assert_eq!(
3130 events.next().await.unwrap(),
3131 Event::DiskBasedDiagnosticsUpdated
3132 );
3133 assert_eq!(
3134 events.next().await.unwrap(),
3135 Event::DiskBasedDiagnosticsFinished
3136 );
3137
3138 let buffer = project
3139 .update(&mut cx, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx))
3140 .await
3141 .unwrap();
3142
3143 buffer.read_with(&cx, |buffer, _| {
3144 let snapshot = buffer.snapshot();
3145 let diagnostics = snapshot
3146 .diagnostics_in_range::<_, Point>(0..buffer.len())
3147 .collect::<Vec<_>>();
3148 assert_eq!(
3149 diagnostics,
3150 &[DiagnosticEntry {
3151 range: Point::new(0, 9)..Point::new(0, 10),
3152 diagnostic: Diagnostic {
3153 severity: lsp::DiagnosticSeverity::ERROR,
3154 message: "undefined variable 'A'".to_string(),
3155 group_id: 0,
3156 is_primary: true,
3157 ..Default::default()
3158 }
3159 }]
3160 )
3161 });
3162 }
3163
3164 #[gpui::test]
3165 async fn test_search_worktree_without_files(mut cx: gpui::TestAppContext) {
3166 let dir = temp_tree(json!({
3167 "root": {
3168 "dir1": {},
3169 "dir2": {
3170 "dir3": {}
3171 }
3172 }
3173 }));
3174
3175 let project = Project::test(Arc::new(RealFs), &mut cx);
3176 let (tree, _) = project
3177 .update(&mut cx, |project, cx| {
3178 project.find_or_create_local_worktree(&dir.path(), false, cx)
3179 })
3180 .await
3181 .unwrap();
3182
3183 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3184 .await;
3185
3186 let cancel_flag = Default::default();
3187 let results = project
3188 .read_with(&cx, |project, cx| {
3189 project.match_paths("dir", false, false, 10, &cancel_flag, cx)
3190 })
3191 .await;
3192
3193 assert!(results.is_empty());
3194 }
3195
3196 #[gpui::test]
3197 async fn test_definition(mut cx: gpui::TestAppContext) {
3198 let (language_server_config, mut fake_server) = LanguageServerConfig::fake(&cx).await;
3199
3200 let mut languages = LanguageRegistry::new();
3201 languages.add(Arc::new(Language::new(
3202 LanguageConfig {
3203 name: "Rust".to_string(),
3204 path_suffixes: vec!["rs".to_string()],
3205 language_server: Some(language_server_config),
3206 ..Default::default()
3207 },
3208 Some(tree_sitter_rust::language()),
3209 )));
3210
3211 let dir = temp_tree(json!({
3212 "a.rs": "const fn a() { A }",
3213 "b.rs": "const y: i32 = crate::a()",
3214 }));
3215 let dir_path = dir.path().to_path_buf();
3216
3217 let http_client = FakeHttpClient::with_404_response();
3218 let client = Client::new(http_client.clone());
3219 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http_client, cx));
3220 let project = cx.update(|cx| {
3221 Project::local(
3222 client,
3223 user_store,
3224 Arc::new(languages),
3225 Arc::new(RealFs),
3226 cx,
3227 )
3228 });
3229
3230 let (tree, _) = project
3231 .update(&mut cx, |project, cx| {
3232 project.find_or_create_local_worktree(dir.path().join("b.rs"), false, cx)
3233 })
3234 .await
3235 .unwrap();
3236 let worktree_id = tree.read_with(&cx, |tree, _| tree.id());
3237 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3238 .await;
3239
3240 let buffer = project
3241 .update(&mut cx, |project, cx| {
3242 project.open_buffer(
3243 ProjectPath {
3244 worktree_id,
3245 path: Path::new("").into(),
3246 },
3247 cx,
3248 )
3249 })
3250 .await
3251 .unwrap();
3252
3253 fake_server.handle_request::<lsp::request::GotoDefinition, _>(move |params| {
3254 let params = params.text_document_position_params;
3255 assert_eq!(
3256 params.text_document.uri.to_file_path().unwrap(),
3257 dir_path.join("b.rs")
3258 );
3259 assert_eq!(params.position, lsp::Position::new(0, 22));
3260
3261 Some(lsp::GotoDefinitionResponse::Scalar(lsp::Location::new(
3262 lsp::Url::from_file_path(dir_path.join("a.rs")).unwrap(),
3263 lsp::Range::new(lsp::Position::new(0, 9), lsp::Position::new(0, 10)),
3264 )))
3265 });
3266
3267 let mut definitions = project
3268 .update(&mut cx, |project, cx| project.definition(&buffer, 22, cx))
3269 .await
3270 .unwrap();
3271
3272 assert_eq!(definitions.len(), 1);
3273 let definition = definitions.pop().unwrap();
3274 cx.update(|cx| {
3275 let target_buffer = definition.target_buffer.read(cx);
3276 assert_eq!(
3277 target_buffer
3278 .file()
3279 .unwrap()
3280 .as_local()
3281 .unwrap()
3282 .abs_path(cx),
3283 dir.path().join("a.rs")
3284 );
3285 assert_eq!(definition.target_range.to_offset(target_buffer), 9..10);
3286 assert_eq!(
3287 list_worktrees(&project, cx),
3288 [
3289 (dir.path().join("b.rs"), false),
3290 (dir.path().join("a.rs"), true)
3291 ]
3292 );
3293
3294 drop(definition);
3295 });
3296 cx.read(|cx| {
3297 assert_eq!(
3298 list_worktrees(&project, cx),
3299 [(dir.path().join("b.rs"), false)]
3300 );
3301 });
3302
3303 fn list_worktrees(project: &ModelHandle<Project>, cx: &AppContext) -> Vec<(PathBuf, bool)> {
3304 project
3305 .read(cx)
3306 .worktrees(cx)
3307 .map(|worktree| {
3308 let worktree = worktree.read(cx);
3309 (
3310 worktree.as_local().unwrap().abs_path().to_path_buf(),
3311 worktree.is_weak(),
3312 )
3313 })
3314 .collect::<Vec<_>>()
3315 }
3316 }
3317
3318 #[gpui::test]
3319 async fn test_save_file(mut cx: gpui::TestAppContext) {
3320 let fs = Arc::new(FakeFs::new(cx.background()));
3321 fs.insert_tree(
3322 "/dir",
3323 json!({
3324 "file1": "the old contents",
3325 }),
3326 )
3327 .await;
3328
3329 let project = Project::test(fs.clone(), &mut cx);
3330 let worktree_id = project
3331 .update(&mut cx, |p, cx| {
3332 p.find_or_create_local_worktree("/dir", false, cx)
3333 })
3334 .await
3335 .unwrap()
3336 .0
3337 .read_with(&cx, |tree, _| tree.id());
3338
3339 let buffer = project
3340 .update(&mut cx, |p, cx| p.open_buffer((worktree_id, "file1"), cx))
3341 .await
3342 .unwrap();
3343 buffer
3344 .update(&mut cx, |buffer, cx| {
3345 assert_eq!(buffer.text(), "the old contents");
3346 buffer.edit(Some(0..0), "a line of text.\n".repeat(10 * 1024), cx);
3347 buffer.save(cx)
3348 })
3349 .await
3350 .unwrap();
3351
3352 let new_text = fs.load(Path::new("/dir/file1")).await.unwrap();
3353 assert_eq!(new_text, buffer.read_with(&cx, |buffer, _| buffer.text()));
3354 }
3355
3356 #[gpui::test]
3357 async fn test_save_in_single_file_worktree(mut cx: gpui::TestAppContext) {
3358 let fs = Arc::new(FakeFs::new(cx.background()));
3359 fs.insert_tree(
3360 "/dir",
3361 json!({
3362 "file1": "the old contents",
3363 }),
3364 )
3365 .await;
3366
3367 let project = Project::test(fs.clone(), &mut cx);
3368 let worktree_id = project
3369 .update(&mut cx, |p, cx| {
3370 p.find_or_create_local_worktree("/dir/file1", false, cx)
3371 })
3372 .await
3373 .unwrap()
3374 .0
3375 .read_with(&cx, |tree, _| tree.id());
3376
3377 let buffer = project
3378 .update(&mut cx, |p, cx| p.open_buffer((worktree_id, ""), cx))
3379 .await
3380 .unwrap();
3381 buffer
3382 .update(&mut cx, |buffer, cx| {
3383 buffer.edit(Some(0..0), "a line of text.\n".repeat(10 * 1024), cx);
3384 buffer.save(cx)
3385 })
3386 .await
3387 .unwrap();
3388
3389 let new_text = fs.load(Path::new("/dir/file1")).await.unwrap();
3390 assert_eq!(new_text, buffer.read_with(&cx, |buffer, _| buffer.text()));
3391 }
3392
3393 #[gpui::test(retries = 5)]
3394 async fn test_rescan_and_remote_updates(mut cx: gpui::TestAppContext) {
3395 let dir = temp_tree(json!({
3396 "a": {
3397 "file1": "",
3398 "file2": "",
3399 "file3": "",
3400 },
3401 "b": {
3402 "c": {
3403 "file4": "",
3404 "file5": "",
3405 }
3406 }
3407 }));
3408
3409 let project = Project::test(Arc::new(RealFs), &mut cx);
3410 let rpc = project.read_with(&cx, |p, _| p.client.clone());
3411
3412 let (tree, _) = project
3413 .update(&mut cx, |p, cx| {
3414 p.find_or_create_local_worktree(dir.path(), false, cx)
3415 })
3416 .await
3417 .unwrap();
3418 let worktree_id = tree.read_with(&cx, |tree, _| tree.id());
3419
3420 let buffer_for_path = |path: &'static str, cx: &mut gpui::TestAppContext| {
3421 let buffer = project.update(cx, |p, cx| p.open_buffer((worktree_id, path), cx));
3422 async move { buffer.await.unwrap() }
3423 };
3424 let id_for_path = |path: &'static str, cx: &gpui::TestAppContext| {
3425 tree.read_with(cx, |tree, _| {
3426 tree.entry_for_path(path)
3427 .expect(&format!("no entry for path {}", path))
3428 .id
3429 })
3430 };
3431
3432 let buffer2 = buffer_for_path("a/file2", &mut cx).await;
3433 let buffer3 = buffer_for_path("a/file3", &mut cx).await;
3434 let buffer4 = buffer_for_path("b/c/file4", &mut cx).await;
3435 let buffer5 = buffer_for_path("b/c/file5", &mut cx).await;
3436
3437 let file2_id = id_for_path("a/file2", &cx);
3438 let file3_id = id_for_path("a/file3", &cx);
3439 let file4_id = id_for_path("b/c/file4", &cx);
3440
3441 // Wait for the initial scan.
3442 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3443 .await;
3444
3445 // Create a remote copy of this worktree.
3446 let initial_snapshot = tree.read_with(&cx, |tree, _| tree.snapshot());
3447 let (remote, load_task) = cx.update(|cx| {
3448 Worktree::remote(
3449 1,
3450 1,
3451 initial_snapshot.to_proto(&Default::default(), Default::default()),
3452 rpc.clone(),
3453 cx,
3454 )
3455 });
3456 load_task.await;
3457
3458 cx.read(|cx| {
3459 assert!(!buffer2.read(cx).is_dirty());
3460 assert!(!buffer3.read(cx).is_dirty());
3461 assert!(!buffer4.read(cx).is_dirty());
3462 assert!(!buffer5.read(cx).is_dirty());
3463 });
3464
3465 // Rename and delete files and directories.
3466 tree.flush_fs_events(&cx).await;
3467 std::fs::rename(dir.path().join("a/file3"), dir.path().join("b/c/file3")).unwrap();
3468 std::fs::remove_file(dir.path().join("b/c/file5")).unwrap();
3469 std::fs::rename(dir.path().join("b/c"), dir.path().join("d")).unwrap();
3470 std::fs::rename(dir.path().join("a/file2"), dir.path().join("a/file2.new")).unwrap();
3471 tree.flush_fs_events(&cx).await;
3472
3473 let expected_paths = vec![
3474 "a",
3475 "a/file1",
3476 "a/file2.new",
3477 "b",
3478 "d",
3479 "d/file3",
3480 "d/file4",
3481 ];
3482
3483 cx.read(|app| {
3484 assert_eq!(
3485 tree.read(app)
3486 .paths()
3487 .map(|p| p.to_str().unwrap())
3488 .collect::<Vec<_>>(),
3489 expected_paths
3490 );
3491
3492 assert_eq!(id_for_path("a/file2.new", &cx), file2_id);
3493 assert_eq!(id_for_path("d/file3", &cx), file3_id);
3494 assert_eq!(id_for_path("d/file4", &cx), file4_id);
3495
3496 assert_eq!(
3497 buffer2.read(app).file().unwrap().path().as_ref(),
3498 Path::new("a/file2.new")
3499 );
3500 assert_eq!(
3501 buffer3.read(app).file().unwrap().path().as_ref(),
3502 Path::new("d/file3")
3503 );
3504 assert_eq!(
3505 buffer4.read(app).file().unwrap().path().as_ref(),
3506 Path::new("d/file4")
3507 );
3508 assert_eq!(
3509 buffer5.read(app).file().unwrap().path().as_ref(),
3510 Path::new("b/c/file5")
3511 );
3512
3513 assert!(!buffer2.read(app).file().unwrap().is_deleted());
3514 assert!(!buffer3.read(app).file().unwrap().is_deleted());
3515 assert!(!buffer4.read(app).file().unwrap().is_deleted());
3516 assert!(buffer5.read(app).file().unwrap().is_deleted());
3517 });
3518
3519 // Update the remote worktree. Check that it becomes consistent with the
3520 // local worktree.
3521 remote.update(&mut cx, |remote, cx| {
3522 let update_message =
3523 tree.read(cx)
3524 .snapshot()
3525 .build_update(&initial_snapshot, 1, 1, true);
3526 remote
3527 .as_remote_mut()
3528 .unwrap()
3529 .snapshot
3530 .apply_remote_update(update_message)
3531 .unwrap();
3532
3533 assert_eq!(
3534 remote
3535 .paths()
3536 .map(|p| p.to_str().unwrap())
3537 .collect::<Vec<_>>(),
3538 expected_paths
3539 );
3540 });
3541 }
3542
3543 #[gpui::test]
3544 async fn test_buffer_deduping(mut cx: gpui::TestAppContext) {
3545 let fs = Arc::new(FakeFs::new(cx.background()));
3546 fs.insert_tree(
3547 "/the-dir",
3548 json!({
3549 "a.txt": "a-contents",
3550 "b.txt": "b-contents",
3551 }),
3552 )
3553 .await;
3554
3555 let project = Project::test(fs.clone(), &mut cx);
3556 let worktree_id = project
3557 .update(&mut cx, |p, cx| {
3558 p.find_or_create_local_worktree("/the-dir", false, cx)
3559 })
3560 .await
3561 .unwrap()
3562 .0
3563 .read_with(&cx, |tree, _| tree.id());
3564
3565 // Spawn multiple tasks to open paths, repeating some paths.
3566 let (buffer_a_1, buffer_b, buffer_a_2) = project.update(&mut cx, |p, cx| {
3567 (
3568 p.open_buffer((worktree_id, "a.txt"), cx),
3569 p.open_buffer((worktree_id, "b.txt"), cx),
3570 p.open_buffer((worktree_id, "a.txt"), cx),
3571 )
3572 });
3573
3574 let buffer_a_1 = buffer_a_1.await.unwrap();
3575 let buffer_a_2 = buffer_a_2.await.unwrap();
3576 let buffer_b = buffer_b.await.unwrap();
3577 assert_eq!(buffer_a_1.read_with(&cx, |b, _| b.text()), "a-contents");
3578 assert_eq!(buffer_b.read_with(&cx, |b, _| b.text()), "b-contents");
3579
3580 // There is only one buffer per path.
3581 let buffer_a_id = buffer_a_1.id();
3582 assert_eq!(buffer_a_2.id(), buffer_a_id);
3583
3584 // Open the same path again while it is still open.
3585 drop(buffer_a_1);
3586 let buffer_a_3 = project
3587 .update(&mut cx, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
3588 .await
3589 .unwrap();
3590
3591 // There's still only one buffer per path.
3592 assert_eq!(buffer_a_3.id(), buffer_a_id);
3593 }
3594
3595 #[gpui::test]
3596 async fn test_buffer_is_dirty(mut cx: gpui::TestAppContext) {
3597 use std::fs;
3598
3599 let dir = temp_tree(json!({
3600 "file1": "abc",
3601 "file2": "def",
3602 "file3": "ghi",
3603 }));
3604
3605 let project = Project::test(Arc::new(RealFs), &mut cx);
3606 let (worktree, _) = project
3607 .update(&mut cx, |p, cx| {
3608 p.find_or_create_local_worktree(dir.path(), false, cx)
3609 })
3610 .await
3611 .unwrap();
3612 let worktree_id = worktree.read_with(&cx, |worktree, _| worktree.id());
3613
3614 worktree.flush_fs_events(&cx).await;
3615 worktree
3616 .read_with(&cx, |t, _| t.as_local().unwrap().scan_complete())
3617 .await;
3618
3619 let buffer1 = project
3620 .update(&mut cx, |p, cx| p.open_buffer((worktree_id, "file1"), cx))
3621 .await
3622 .unwrap();
3623 let events = Rc::new(RefCell::new(Vec::new()));
3624
3625 // initially, the buffer isn't dirty.
3626 buffer1.update(&mut cx, |buffer, cx| {
3627 cx.subscribe(&buffer1, {
3628 let events = events.clone();
3629 move |_, _, event, _| events.borrow_mut().push(event.clone())
3630 })
3631 .detach();
3632
3633 assert!(!buffer.is_dirty());
3634 assert!(events.borrow().is_empty());
3635
3636 buffer.edit(vec![1..2], "", cx);
3637 });
3638
3639 // after the first edit, the buffer is dirty, and emits a dirtied event.
3640 buffer1.update(&mut cx, |buffer, cx| {
3641 assert!(buffer.text() == "ac");
3642 assert!(buffer.is_dirty());
3643 assert_eq!(
3644 *events.borrow(),
3645 &[language::Event::Edited, language::Event::Dirtied]
3646 );
3647 events.borrow_mut().clear();
3648 buffer.did_save(buffer.version(), buffer.file().unwrap().mtime(), None, cx);
3649 });
3650
3651 // after saving, the buffer is not dirty, and emits a saved event.
3652 buffer1.update(&mut cx, |buffer, cx| {
3653 assert!(!buffer.is_dirty());
3654 assert_eq!(*events.borrow(), &[language::Event::Saved]);
3655 events.borrow_mut().clear();
3656
3657 buffer.edit(vec![1..1], "B", cx);
3658 buffer.edit(vec![2..2], "D", cx);
3659 });
3660
3661 // after editing again, the buffer is dirty, and emits another dirty event.
3662 buffer1.update(&mut cx, |buffer, cx| {
3663 assert!(buffer.text() == "aBDc");
3664 assert!(buffer.is_dirty());
3665 assert_eq!(
3666 *events.borrow(),
3667 &[
3668 language::Event::Edited,
3669 language::Event::Dirtied,
3670 language::Event::Edited,
3671 ],
3672 );
3673 events.borrow_mut().clear();
3674
3675 // TODO - currently, after restoring the buffer to its
3676 // previously-saved state, the is still considered dirty.
3677 buffer.edit([1..3], "", cx);
3678 assert!(buffer.text() == "ac");
3679 assert!(buffer.is_dirty());
3680 });
3681
3682 assert_eq!(*events.borrow(), &[language::Event::Edited]);
3683
3684 // When a file is deleted, the buffer is considered dirty.
3685 let events = Rc::new(RefCell::new(Vec::new()));
3686 let buffer2 = project
3687 .update(&mut cx, |p, cx| p.open_buffer((worktree_id, "file2"), cx))
3688 .await
3689 .unwrap();
3690 buffer2.update(&mut cx, |_, cx| {
3691 cx.subscribe(&buffer2, {
3692 let events = events.clone();
3693 move |_, _, event, _| events.borrow_mut().push(event.clone())
3694 })
3695 .detach();
3696 });
3697
3698 fs::remove_file(dir.path().join("file2")).unwrap();
3699 buffer2.condition(&cx, |b, _| b.is_dirty()).await;
3700 assert_eq!(
3701 *events.borrow(),
3702 &[language::Event::Dirtied, language::Event::FileHandleChanged]
3703 );
3704
3705 // When a file is already dirty when deleted, we don't emit a Dirtied event.
3706 let events = Rc::new(RefCell::new(Vec::new()));
3707 let buffer3 = project
3708 .update(&mut cx, |p, cx| p.open_buffer((worktree_id, "file3"), cx))
3709 .await
3710 .unwrap();
3711 buffer3.update(&mut cx, |_, cx| {
3712 cx.subscribe(&buffer3, {
3713 let events = events.clone();
3714 move |_, _, event, _| events.borrow_mut().push(event.clone())
3715 })
3716 .detach();
3717 });
3718
3719 worktree.flush_fs_events(&cx).await;
3720 buffer3.update(&mut cx, |buffer, cx| {
3721 buffer.edit(Some(0..0), "x", cx);
3722 });
3723 events.borrow_mut().clear();
3724 fs::remove_file(dir.path().join("file3")).unwrap();
3725 buffer3
3726 .condition(&cx, |_, _| !events.borrow().is_empty())
3727 .await;
3728 assert_eq!(*events.borrow(), &[language::Event::FileHandleChanged]);
3729 cx.read(|cx| assert!(buffer3.read(cx).is_dirty()));
3730 }
3731
3732 #[gpui::test]
3733 async fn test_buffer_file_changes_on_disk(mut cx: gpui::TestAppContext) {
3734 use std::fs;
3735
3736 let initial_contents = "aaa\nbbbbb\nc\n";
3737 let dir = temp_tree(json!({ "the-file": initial_contents }));
3738
3739 let project = Project::test(Arc::new(RealFs), &mut cx);
3740 let (worktree, _) = project
3741 .update(&mut cx, |p, cx| {
3742 p.find_or_create_local_worktree(dir.path(), false, cx)
3743 })
3744 .await
3745 .unwrap();
3746 let worktree_id = worktree.read_with(&cx, |tree, _| tree.id());
3747
3748 worktree
3749 .read_with(&cx, |t, _| t.as_local().unwrap().scan_complete())
3750 .await;
3751
3752 let abs_path = dir.path().join("the-file");
3753 let buffer = project
3754 .update(&mut cx, |p, cx| {
3755 p.open_buffer((worktree_id, "the-file"), cx)
3756 })
3757 .await
3758 .unwrap();
3759
3760 // TODO
3761 // Add a cursor on each row.
3762 // let selection_set_id = buffer.update(&mut cx, |buffer, cx| {
3763 // assert!(!buffer.is_dirty());
3764 // buffer.add_selection_set(
3765 // &(0..3)
3766 // .map(|row| Selection {
3767 // id: row as usize,
3768 // start: Point::new(row, 1),
3769 // end: Point::new(row, 1),
3770 // reversed: false,
3771 // goal: SelectionGoal::None,
3772 // })
3773 // .collect::<Vec<_>>(),
3774 // cx,
3775 // )
3776 // });
3777
3778 // Change the file on disk, adding two new lines of text, and removing
3779 // one line.
3780 buffer.read_with(&cx, |buffer, _| {
3781 assert!(!buffer.is_dirty());
3782 assert!(!buffer.has_conflict());
3783 });
3784 let new_contents = "AAAA\naaa\nBB\nbbbbb\n";
3785 fs::write(&abs_path, new_contents).unwrap();
3786
3787 // Because the buffer was not modified, it is reloaded from disk. Its
3788 // contents are edited according to the diff between the old and new
3789 // file contents.
3790 buffer
3791 .condition(&cx, |buffer, _| buffer.text() == new_contents)
3792 .await;
3793
3794 buffer.update(&mut cx, |buffer, _| {
3795 assert_eq!(buffer.text(), new_contents);
3796 assert!(!buffer.is_dirty());
3797 assert!(!buffer.has_conflict());
3798
3799 // TODO
3800 // let cursor_positions = buffer
3801 // .selection_set(selection_set_id)
3802 // .unwrap()
3803 // .selections::<Point>(&*buffer)
3804 // .map(|selection| {
3805 // assert_eq!(selection.start, selection.end);
3806 // selection.start
3807 // })
3808 // .collect::<Vec<_>>();
3809 // assert_eq!(
3810 // cursor_positions,
3811 // [Point::new(1, 1), Point::new(3, 1), Point::new(4, 0)]
3812 // );
3813 });
3814
3815 // Modify the buffer
3816 buffer.update(&mut cx, |buffer, cx| {
3817 buffer.edit(vec![0..0], " ", cx);
3818 assert!(buffer.is_dirty());
3819 assert!(!buffer.has_conflict());
3820 });
3821
3822 // Change the file on disk again, adding blank lines to the beginning.
3823 fs::write(&abs_path, "\n\n\nAAAA\naaa\nBB\nbbbbb\n").unwrap();
3824
3825 // Because the buffer is modified, it doesn't reload from disk, but is
3826 // marked as having a conflict.
3827 buffer
3828 .condition(&cx, |buffer, _| buffer.has_conflict())
3829 .await;
3830 }
3831
3832 #[gpui::test]
3833 async fn test_grouped_diagnostics(mut cx: gpui::TestAppContext) {
3834 let fs = Arc::new(FakeFs::new(cx.background()));
3835 fs.insert_tree(
3836 "/the-dir",
3837 json!({
3838 "a.rs": "
3839 fn foo(mut v: Vec<usize>) {
3840 for x in &v {
3841 v.push(1);
3842 }
3843 }
3844 "
3845 .unindent(),
3846 }),
3847 )
3848 .await;
3849
3850 let project = Project::test(fs.clone(), &mut cx);
3851 let (worktree, _) = project
3852 .update(&mut cx, |p, cx| {
3853 p.find_or_create_local_worktree("/the-dir", false, cx)
3854 })
3855 .await
3856 .unwrap();
3857 let worktree_id = worktree.read_with(&cx, |tree, _| tree.id());
3858
3859 let buffer = project
3860 .update(&mut cx, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx))
3861 .await
3862 .unwrap();
3863
3864 let buffer_uri = Url::from_file_path("/the-dir/a.rs").unwrap();
3865 let message = lsp::PublishDiagnosticsParams {
3866 uri: buffer_uri.clone(),
3867 diagnostics: vec![
3868 lsp::Diagnostic {
3869 range: lsp::Range::new(lsp::Position::new(1, 8), lsp::Position::new(1, 9)),
3870 severity: Some(DiagnosticSeverity::WARNING),
3871 message: "error 1".to_string(),
3872 related_information: Some(vec![lsp::DiagnosticRelatedInformation {
3873 location: lsp::Location {
3874 uri: buffer_uri.clone(),
3875 range: lsp::Range::new(
3876 lsp::Position::new(1, 8),
3877 lsp::Position::new(1, 9),
3878 ),
3879 },
3880 message: "error 1 hint 1".to_string(),
3881 }]),
3882 ..Default::default()
3883 },
3884 lsp::Diagnostic {
3885 range: lsp::Range::new(lsp::Position::new(1, 8), lsp::Position::new(1, 9)),
3886 severity: Some(DiagnosticSeverity::HINT),
3887 message: "error 1 hint 1".to_string(),
3888 related_information: Some(vec![lsp::DiagnosticRelatedInformation {
3889 location: lsp::Location {
3890 uri: buffer_uri.clone(),
3891 range: lsp::Range::new(
3892 lsp::Position::new(1, 8),
3893 lsp::Position::new(1, 9),
3894 ),
3895 },
3896 message: "original diagnostic".to_string(),
3897 }]),
3898 ..Default::default()
3899 },
3900 lsp::Diagnostic {
3901 range: lsp::Range::new(lsp::Position::new(2, 8), lsp::Position::new(2, 17)),
3902 severity: Some(DiagnosticSeverity::ERROR),
3903 message: "error 2".to_string(),
3904 related_information: Some(vec![
3905 lsp::DiagnosticRelatedInformation {
3906 location: lsp::Location {
3907 uri: buffer_uri.clone(),
3908 range: lsp::Range::new(
3909 lsp::Position::new(1, 13),
3910 lsp::Position::new(1, 15),
3911 ),
3912 },
3913 message: "error 2 hint 1".to_string(),
3914 },
3915 lsp::DiagnosticRelatedInformation {
3916 location: lsp::Location {
3917 uri: buffer_uri.clone(),
3918 range: lsp::Range::new(
3919 lsp::Position::new(1, 13),
3920 lsp::Position::new(1, 15),
3921 ),
3922 },
3923 message: "error 2 hint 2".to_string(),
3924 },
3925 ]),
3926 ..Default::default()
3927 },
3928 lsp::Diagnostic {
3929 range: lsp::Range::new(lsp::Position::new(1, 13), lsp::Position::new(1, 15)),
3930 severity: Some(DiagnosticSeverity::HINT),
3931 message: "error 2 hint 1".to_string(),
3932 related_information: Some(vec![lsp::DiagnosticRelatedInformation {
3933 location: lsp::Location {
3934 uri: buffer_uri.clone(),
3935 range: lsp::Range::new(
3936 lsp::Position::new(2, 8),
3937 lsp::Position::new(2, 17),
3938 ),
3939 },
3940 message: "original diagnostic".to_string(),
3941 }]),
3942 ..Default::default()
3943 },
3944 lsp::Diagnostic {
3945 range: lsp::Range::new(lsp::Position::new(1, 13), lsp::Position::new(1, 15)),
3946 severity: Some(DiagnosticSeverity::HINT),
3947 message: "error 2 hint 2".to_string(),
3948 related_information: Some(vec![lsp::DiagnosticRelatedInformation {
3949 location: lsp::Location {
3950 uri: buffer_uri.clone(),
3951 range: lsp::Range::new(
3952 lsp::Position::new(2, 8),
3953 lsp::Position::new(2, 17),
3954 ),
3955 },
3956 message: "original diagnostic".to_string(),
3957 }]),
3958 ..Default::default()
3959 },
3960 ],
3961 version: None,
3962 };
3963
3964 project
3965 .update(&mut cx, |p, cx| {
3966 p.update_diagnostics(message, &Default::default(), cx)
3967 })
3968 .unwrap();
3969 let buffer = buffer.read_with(&cx, |buffer, _| buffer.snapshot());
3970
3971 assert_eq!(
3972 buffer
3973 .diagnostics_in_range::<_, Point>(0..buffer.len())
3974 .collect::<Vec<_>>(),
3975 &[
3976 DiagnosticEntry {
3977 range: Point::new(1, 8)..Point::new(1, 9),
3978 diagnostic: Diagnostic {
3979 severity: DiagnosticSeverity::WARNING,
3980 message: "error 1".to_string(),
3981 group_id: 0,
3982 is_primary: true,
3983 ..Default::default()
3984 }
3985 },
3986 DiagnosticEntry {
3987 range: Point::new(1, 8)..Point::new(1, 9),
3988 diagnostic: Diagnostic {
3989 severity: DiagnosticSeverity::HINT,
3990 message: "error 1 hint 1".to_string(),
3991 group_id: 0,
3992 is_primary: false,
3993 ..Default::default()
3994 }
3995 },
3996 DiagnosticEntry {
3997 range: Point::new(1, 13)..Point::new(1, 15),
3998 diagnostic: Diagnostic {
3999 severity: DiagnosticSeverity::HINT,
4000 message: "error 2 hint 1".to_string(),
4001 group_id: 1,
4002 is_primary: false,
4003 ..Default::default()
4004 }
4005 },
4006 DiagnosticEntry {
4007 range: Point::new(1, 13)..Point::new(1, 15),
4008 diagnostic: Diagnostic {
4009 severity: DiagnosticSeverity::HINT,
4010 message: "error 2 hint 2".to_string(),
4011 group_id: 1,
4012 is_primary: false,
4013 ..Default::default()
4014 }
4015 },
4016 DiagnosticEntry {
4017 range: Point::new(2, 8)..Point::new(2, 17),
4018 diagnostic: Diagnostic {
4019 severity: DiagnosticSeverity::ERROR,
4020 message: "error 2".to_string(),
4021 group_id: 1,
4022 is_primary: true,
4023 ..Default::default()
4024 }
4025 }
4026 ]
4027 );
4028
4029 assert_eq!(
4030 buffer.diagnostic_group::<Point>(0).collect::<Vec<_>>(),
4031 &[
4032 DiagnosticEntry {
4033 range: Point::new(1, 8)..Point::new(1, 9),
4034 diagnostic: Diagnostic {
4035 severity: DiagnosticSeverity::WARNING,
4036 message: "error 1".to_string(),
4037 group_id: 0,
4038 is_primary: true,
4039 ..Default::default()
4040 }
4041 },
4042 DiagnosticEntry {
4043 range: Point::new(1, 8)..Point::new(1, 9),
4044 diagnostic: Diagnostic {
4045 severity: DiagnosticSeverity::HINT,
4046 message: "error 1 hint 1".to_string(),
4047 group_id: 0,
4048 is_primary: false,
4049 ..Default::default()
4050 }
4051 },
4052 ]
4053 );
4054 assert_eq!(
4055 buffer.diagnostic_group::<Point>(1).collect::<Vec<_>>(),
4056 &[
4057 DiagnosticEntry {
4058 range: Point::new(1, 13)..Point::new(1, 15),
4059 diagnostic: Diagnostic {
4060 severity: DiagnosticSeverity::HINT,
4061 message: "error 2 hint 1".to_string(),
4062 group_id: 1,
4063 is_primary: false,
4064 ..Default::default()
4065 }
4066 },
4067 DiagnosticEntry {
4068 range: Point::new(1, 13)..Point::new(1, 15),
4069 diagnostic: Diagnostic {
4070 severity: DiagnosticSeverity::HINT,
4071 message: "error 2 hint 2".to_string(),
4072 group_id: 1,
4073 is_primary: false,
4074 ..Default::default()
4075 }
4076 },
4077 DiagnosticEntry {
4078 range: Point::new(2, 8)..Point::new(2, 17),
4079 diagnostic: Diagnostic {
4080 severity: DiagnosticSeverity::ERROR,
4081 message: "error 2".to_string(),
4082 group_id: 1,
4083 is_primary: true,
4084 ..Default::default()
4085 }
4086 }
4087 ]
4088 );
4089 }
4090}