1pub mod fs;
2mod ignore;
3mod lsp_command;
4pub mod search;
5pub mod worktree;
6
7use anyhow::{anyhow, Context, Result};
8use client::{proto, Client, PeerId, TypedEnvelope, User, UserStore};
9use clock::ReplicaId;
10use collections::{hash_map, HashMap, HashSet};
11use futures::{future::Shared, Future, FutureExt, StreamExt};
12use fuzzy::{PathMatch, PathMatchCandidate, PathMatchCandidateSet};
13use gpui::{
14 AppContext, AsyncAppContext, Entity, ModelContext, ModelHandle, MutableAppContext, Task,
15 UpgradeModelHandle, WeakModelHandle,
16};
17use language::{
18 range_from_lsp, Anchor, AnchorRangeExt, Bias, Buffer, CodeAction, CodeLabel, Completion,
19 Diagnostic, DiagnosticEntry, File as _, Language, LanguageRegistry, Operation, PointUtf16,
20 ToLspPosition, ToOffset, ToPointUtf16, Transaction,
21};
22use lsp::{DiagnosticSeverity, DocumentHighlightKind, LanguageServer};
23use lsp_command::*;
24use postage::{broadcast, prelude::Stream, sink::Sink, watch};
25use rand::prelude::*;
26use search::SearchQuery;
27use sha2::{Digest, Sha256};
28use smol::block_on;
29use std::{
30 cell::RefCell,
31 cmp,
32 convert::TryInto,
33 hash::Hash,
34 mem,
35 ops::Range,
36 path::{Component, Path, PathBuf},
37 rc::Rc,
38 sync::{atomic::AtomicBool, Arc},
39 time::Instant,
40};
41use util::{post_inc, ResultExt, TryFutureExt as _};
42
43pub use fs::*;
44pub use worktree::*;
45
46pub struct Project {
47 worktrees: Vec<WorktreeHandle>,
48 active_entry: Option<ProjectEntry>,
49 languages: Arc<LanguageRegistry>,
50 language_servers: HashMap<(WorktreeId, String), Arc<LanguageServer>>,
51 started_language_servers:
52 HashMap<(WorktreeId, String), Shared<Task<Option<Arc<LanguageServer>>>>>,
53 client: Arc<client::Client>,
54 user_store: ModelHandle<UserStore>,
55 fs: Arc<dyn Fs>,
56 client_state: ProjectClientState,
57 collaborators: HashMap<PeerId, Collaborator>,
58 subscriptions: Vec<client::Subscription>,
59 language_servers_with_diagnostics_running: isize,
60 opened_buffer: broadcast::Sender<()>,
61 loading_buffers: HashMap<
62 ProjectPath,
63 postage::watch::Receiver<Option<Result<ModelHandle<Buffer>, Arc<anyhow::Error>>>>,
64 >,
65 buffers_state: Rc<RefCell<ProjectBuffers>>,
66 shared_buffers: HashMap<PeerId, HashMap<u64, ModelHandle<Buffer>>>,
67 nonce: u128,
68}
69
70#[derive(Default)]
71struct ProjectBuffers {
72 buffer_request_count: usize,
73 preserved_buffers: Vec<ModelHandle<Buffer>>,
74 open_buffers: HashMap<u64, OpenBuffer>,
75}
76
77enum OpenBuffer {
78 Loaded(WeakModelHandle<Buffer>),
79 Loading(Vec<Operation>),
80}
81
82enum WorktreeHandle {
83 Strong(ModelHandle<Worktree>),
84 Weak(WeakModelHandle<Worktree>),
85}
86
87enum ProjectClientState {
88 Local {
89 is_shared: bool,
90 remote_id_tx: watch::Sender<Option<u64>>,
91 remote_id_rx: watch::Receiver<Option<u64>>,
92 _maintain_remote_id_task: Task<Option<()>>,
93 },
94 Remote {
95 sharing_has_stopped: bool,
96 remote_id: u64,
97 replica_id: ReplicaId,
98 },
99}
100
101#[derive(Clone, Debug)]
102pub struct Collaborator {
103 pub user: Arc<User>,
104 pub peer_id: PeerId,
105 pub replica_id: ReplicaId,
106}
107
108#[derive(Clone, Debug, PartialEq)]
109pub enum Event {
110 ActiveEntryChanged(Option<ProjectEntry>),
111 WorktreeRemoved(WorktreeId),
112 DiskBasedDiagnosticsStarted,
113 DiskBasedDiagnosticsUpdated,
114 DiskBasedDiagnosticsFinished,
115 DiagnosticsUpdated(ProjectPath),
116}
117
118#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
119pub struct ProjectPath {
120 pub worktree_id: WorktreeId,
121 pub path: Arc<Path>,
122}
123
124#[derive(Clone, Debug, Default, PartialEq)]
125pub struct DiagnosticSummary {
126 pub error_count: usize,
127 pub warning_count: usize,
128 pub info_count: usize,
129 pub hint_count: usize,
130}
131
132#[derive(Debug)]
133pub struct Location {
134 pub buffer: ModelHandle<Buffer>,
135 pub range: Range<language::Anchor>,
136}
137
138#[derive(Debug)]
139pub struct DocumentHighlight {
140 pub range: Range<language::Anchor>,
141 pub kind: DocumentHighlightKind,
142}
143
144#[derive(Clone, Debug)]
145pub struct Symbol {
146 pub source_worktree_id: WorktreeId,
147 pub worktree_id: WorktreeId,
148 pub language_name: String,
149 pub path: PathBuf,
150 pub label: CodeLabel,
151 pub name: String,
152 pub kind: lsp::SymbolKind,
153 pub range: Range<PointUtf16>,
154 pub signature: [u8; 32],
155}
156
157pub struct BufferRequestHandle(Rc<RefCell<ProjectBuffers>>);
158
159#[derive(Default)]
160pub struct ProjectTransaction(pub HashMap<ModelHandle<Buffer>, language::Transaction>);
161
162impl DiagnosticSummary {
163 fn new<'a, T: 'a>(diagnostics: impl IntoIterator<Item = &'a DiagnosticEntry<T>>) -> Self {
164 let mut this = Self {
165 error_count: 0,
166 warning_count: 0,
167 info_count: 0,
168 hint_count: 0,
169 };
170
171 for entry in diagnostics {
172 if entry.diagnostic.is_primary {
173 match entry.diagnostic.severity {
174 DiagnosticSeverity::ERROR => this.error_count += 1,
175 DiagnosticSeverity::WARNING => this.warning_count += 1,
176 DiagnosticSeverity::INFORMATION => this.info_count += 1,
177 DiagnosticSeverity::HINT => this.hint_count += 1,
178 _ => {}
179 }
180 }
181 }
182
183 this
184 }
185
186 pub fn to_proto(&self, path: &Path) -> proto::DiagnosticSummary {
187 proto::DiagnosticSummary {
188 path: path.to_string_lossy().to_string(),
189 error_count: self.error_count as u32,
190 warning_count: self.warning_count as u32,
191 info_count: self.info_count as u32,
192 hint_count: self.hint_count as u32,
193 }
194 }
195}
196
197#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
198pub struct ProjectEntry {
199 pub worktree_id: WorktreeId,
200 pub entry_id: usize,
201}
202
203impl Project {
204 pub fn init(client: &Arc<Client>) {
205 client.add_entity_message_handler(Self::handle_add_collaborator);
206 client.add_entity_message_handler(Self::handle_buffer_reloaded);
207 client.add_entity_message_handler(Self::handle_buffer_saved);
208 client.add_entity_message_handler(Self::handle_close_buffer);
209 client.add_entity_message_handler(Self::handle_disk_based_diagnostics_updated);
210 client.add_entity_message_handler(Self::handle_disk_based_diagnostics_updating);
211 client.add_entity_message_handler(Self::handle_remove_collaborator);
212 client.add_entity_message_handler(Self::handle_register_worktree);
213 client.add_entity_message_handler(Self::handle_unregister_worktree);
214 client.add_entity_message_handler(Self::handle_unshare_project);
215 client.add_entity_message_handler(Self::handle_update_buffer_file);
216 client.add_entity_message_handler(Self::handle_update_buffer);
217 client.add_entity_message_handler(Self::handle_update_diagnostic_summary);
218 client.add_entity_message_handler(Self::handle_update_worktree);
219 client.add_entity_request_handler(Self::handle_apply_additional_edits_for_completion);
220 client.add_entity_request_handler(Self::handle_apply_code_action);
221 client.add_entity_request_handler(Self::handle_format_buffers);
222 client.add_entity_request_handler(Self::handle_get_code_actions);
223 client.add_entity_request_handler(Self::handle_get_completions);
224 client.add_entity_request_handler(Self::handle_lsp_command::<GetDefinition>);
225 client.add_entity_request_handler(Self::handle_lsp_command::<GetDocumentHighlights>);
226 client.add_entity_request_handler(Self::handle_lsp_command::<GetReferences>);
227 client.add_entity_request_handler(Self::handle_lsp_command::<PrepareRename>);
228 client.add_entity_request_handler(Self::handle_lsp_command::<PerformRename>);
229 client.add_entity_request_handler(Self::handle_get_project_symbols);
230 client.add_entity_request_handler(Self::handle_open_buffer_for_symbol);
231 client.add_entity_request_handler(Self::handle_open_buffer);
232 client.add_entity_request_handler(Self::handle_save_buffer);
233 }
234
235 pub fn local(
236 client: Arc<Client>,
237 user_store: ModelHandle<UserStore>,
238 languages: Arc<LanguageRegistry>,
239 fs: Arc<dyn Fs>,
240 cx: &mut MutableAppContext,
241 ) -> ModelHandle<Self> {
242 cx.add_model(|cx: &mut ModelContext<Self>| {
243 let (remote_id_tx, remote_id_rx) = watch::channel();
244 let _maintain_remote_id_task = cx.spawn_weak({
245 let rpc = client.clone();
246 move |this, mut cx| {
247 async move {
248 let mut status = rpc.status();
249 while let Some(status) = status.recv().await {
250 if let Some(this) = this.upgrade(&cx) {
251 let remote_id = if let client::Status::Connected { .. } = status {
252 let response = rpc.request(proto::RegisterProject {}).await?;
253 Some(response.project_id)
254 } else {
255 None
256 };
257
258 if let Some(project_id) = remote_id {
259 let mut registrations = Vec::new();
260 this.update(&mut cx, |this, cx| {
261 for worktree in this.worktrees(cx).collect::<Vec<_>>() {
262 registrations.push(worktree.update(
263 cx,
264 |worktree, cx| {
265 let worktree = worktree.as_local_mut().unwrap();
266 worktree.register(project_id, cx)
267 },
268 ));
269 }
270 });
271 for registration in registrations {
272 registration.await?;
273 }
274 }
275 this.update(&mut cx, |this, cx| this.set_remote_id(remote_id, cx));
276 }
277 }
278 Ok(())
279 }
280 .log_err()
281 }
282 });
283
284 Self {
285 worktrees: Default::default(),
286 collaborators: Default::default(),
287 buffers_state: Default::default(),
288 loading_buffers: Default::default(),
289 shared_buffers: Default::default(),
290 client_state: ProjectClientState::Local {
291 is_shared: false,
292 remote_id_tx,
293 remote_id_rx,
294 _maintain_remote_id_task,
295 },
296 opened_buffer: broadcast::channel(1).0,
297 subscriptions: Vec::new(),
298 active_entry: None,
299 languages,
300 client,
301 user_store,
302 fs,
303 language_servers_with_diagnostics_running: 0,
304 language_servers: Default::default(),
305 started_language_servers: Default::default(),
306 nonce: StdRng::from_entropy().gen(),
307 }
308 })
309 }
310
311 pub async fn remote(
312 remote_id: u64,
313 client: Arc<Client>,
314 user_store: ModelHandle<UserStore>,
315 languages: Arc<LanguageRegistry>,
316 fs: Arc<dyn Fs>,
317 cx: &mut AsyncAppContext,
318 ) -> Result<ModelHandle<Self>> {
319 client.authenticate_and_connect(&cx).await?;
320
321 let response = client
322 .request(proto::JoinProject {
323 project_id: remote_id,
324 })
325 .await?;
326
327 let replica_id = response.replica_id as ReplicaId;
328
329 let mut worktrees = Vec::new();
330 for worktree in response.worktrees {
331 let (worktree, load_task) = cx
332 .update(|cx| Worktree::remote(remote_id, replica_id, worktree, client.clone(), cx));
333 worktrees.push(worktree);
334 load_task.detach();
335 }
336
337 let this = cx.add_model(|cx| {
338 let mut this = Self {
339 worktrees: Vec::new(),
340 loading_buffers: Default::default(),
341 opened_buffer: broadcast::channel(1).0,
342 shared_buffers: Default::default(),
343 active_entry: None,
344 collaborators: Default::default(),
345 languages,
346 user_store: user_store.clone(),
347 fs,
348 subscriptions: vec![client.add_model_for_remote_entity(remote_id, cx)],
349 client,
350 client_state: ProjectClientState::Remote {
351 sharing_has_stopped: false,
352 remote_id,
353 replica_id,
354 },
355 language_servers_with_diagnostics_running: 0,
356 language_servers: Default::default(),
357 started_language_servers: Default::default(),
358 buffers_state: Default::default(),
359 nonce: StdRng::from_entropy().gen(),
360 };
361 for worktree in worktrees {
362 this.add_worktree(&worktree, cx);
363 }
364 this
365 });
366
367 let user_ids = response
368 .collaborators
369 .iter()
370 .map(|peer| peer.user_id)
371 .collect();
372 user_store
373 .update(cx, |user_store, cx| user_store.load_users(user_ids, cx))
374 .await?;
375 let mut collaborators = HashMap::default();
376 for message in response.collaborators {
377 let collaborator = Collaborator::from_proto(message, &user_store, cx).await?;
378 collaborators.insert(collaborator.peer_id, collaborator);
379 }
380
381 this.update(cx, |this, _| {
382 this.collaborators = collaborators;
383 });
384
385 Ok(this)
386 }
387
388 #[cfg(any(test, feature = "test-support"))]
389 pub fn test(fs: Arc<dyn Fs>, cx: &mut gpui::TestAppContext) -> ModelHandle<Project> {
390 let languages = Arc::new(LanguageRegistry::new());
391 let http_client = client::test::FakeHttpClient::with_404_response();
392 let client = client::Client::new(http_client.clone());
393 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http_client, cx));
394 cx.update(|cx| Project::local(client, user_store, languages, fs, cx))
395 }
396
397 #[cfg(any(test, feature = "test-support"))]
398 pub fn shared_buffer(&self, peer_id: PeerId, remote_id: u64) -> Option<ModelHandle<Buffer>> {
399 self.shared_buffers
400 .get(&peer_id)
401 .and_then(|buffers| buffers.get(&remote_id))
402 .cloned()
403 }
404
405 #[cfg(any(test, feature = "test-support"))]
406 pub fn has_buffered_operations(&self) -> bool {
407 self.buffers_state
408 .borrow()
409 .open_buffers
410 .values()
411 .any(|buffer| matches!(buffer, OpenBuffer::Loading(_)))
412 }
413
414 #[cfg(any(test, feature = "test-support"))]
415 pub fn languages(&self) -> &Arc<LanguageRegistry> {
416 &self.languages
417 }
418
419 pub fn fs(&self) -> &Arc<dyn Fs> {
420 &self.fs
421 }
422
423 fn set_remote_id(&mut self, remote_id: Option<u64>, cx: &mut ModelContext<Self>) {
424 if let ProjectClientState::Local { remote_id_tx, .. } = &mut self.client_state {
425 *remote_id_tx.borrow_mut() = remote_id;
426 }
427
428 self.subscriptions.clear();
429 if let Some(remote_id) = remote_id {
430 self.subscriptions
431 .push(self.client.add_model_for_remote_entity(remote_id, cx));
432 }
433 }
434
435 pub fn remote_id(&self) -> Option<u64> {
436 match &self.client_state {
437 ProjectClientState::Local { remote_id_rx, .. } => *remote_id_rx.borrow(),
438 ProjectClientState::Remote { remote_id, .. } => Some(*remote_id),
439 }
440 }
441
442 pub fn next_remote_id(&self) -> impl Future<Output = u64> {
443 let mut id = None;
444 let mut watch = None;
445 match &self.client_state {
446 ProjectClientState::Local { remote_id_rx, .. } => watch = Some(remote_id_rx.clone()),
447 ProjectClientState::Remote { remote_id, .. } => id = Some(*remote_id),
448 }
449
450 async move {
451 if let Some(id) = id {
452 return id;
453 }
454 let mut watch = watch.unwrap();
455 loop {
456 let id = *watch.borrow();
457 if let Some(id) = id {
458 return id;
459 }
460 watch.recv().await;
461 }
462 }
463 }
464
465 pub fn replica_id(&self) -> ReplicaId {
466 match &self.client_state {
467 ProjectClientState::Local { .. } => 0,
468 ProjectClientState::Remote { replica_id, .. } => *replica_id,
469 }
470 }
471
472 pub fn collaborators(&self) -> &HashMap<PeerId, Collaborator> {
473 &self.collaborators
474 }
475
476 pub fn worktrees<'a>(
477 &'a self,
478 cx: &'a AppContext,
479 ) -> impl 'a + Iterator<Item = ModelHandle<Worktree>> {
480 self.worktrees
481 .iter()
482 .filter_map(move |worktree| worktree.upgrade(cx))
483 }
484
485 pub fn strong_worktrees<'a>(
486 &'a self,
487 cx: &'a AppContext,
488 ) -> impl 'a + Iterator<Item = ModelHandle<Worktree>> {
489 self.worktrees.iter().filter_map(|worktree| {
490 worktree.upgrade(cx).and_then(|worktree| {
491 if worktree.read(cx).is_weak() {
492 None
493 } else {
494 Some(worktree)
495 }
496 })
497 })
498 }
499
500 pub fn worktree_for_id(
501 &self,
502 id: WorktreeId,
503 cx: &AppContext,
504 ) -> Option<ModelHandle<Worktree>> {
505 self.worktrees(cx)
506 .find(|worktree| worktree.read(cx).id() == id)
507 }
508
509 pub fn share(&self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
510 let rpc = self.client.clone();
511 cx.spawn(|this, mut cx| async move {
512 let project_id = this.update(&mut cx, |this, _| {
513 if let ProjectClientState::Local {
514 is_shared,
515 remote_id_rx,
516 ..
517 } = &mut this.client_state
518 {
519 *is_shared = true;
520 remote_id_rx
521 .borrow()
522 .ok_or_else(|| anyhow!("no project id"))
523 } else {
524 Err(anyhow!("can't share a remote project"))
525 }
526 })?;
527
528 rpc.request(proto::ShareProject { project_id }).await?;
529 let mut tasks = Vec::new();
530 this.update(&mut cx, |this, cx| {
531 for worktree in this.worktrees(cx).collect::<Vec<_>>() {
532 worktree.update(cx, |worktree, cx| {
533 let worktree = worktree.as_local_mut().unwrap();
534 tasks.push(worktree.share(project_id, cx));
535 });
536 }
537 });
538 for task in tasks {
539 task.await?;
540 }
541 this.update(&mut cx, |_, cx| cx.notify());
542 Ok(())
543 })
544 }
545
546 pub fn unshare(&self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
547 let rpc = self.client.clone();
548 cx.spawn(|this, mut cx| async move {
549 let project_id = this.update(&mut cx, |this, _| {
550 if let ProjectClientState::Local {
551 is_shared,
552 remote_id_rx,
553 ..
554 } = &mut this.client_state
555 {
556 *is_shared = false;
557 remote_id_rx
558 .borrow()
559 .ok_or_else(|| anyhow!("no project id"))
560 } else {
561 Err(anyhow!("can't share a remote project"))
562 }
563 })?;
564
565 rpc.send(proto::UnshareProject { project_id })?;
566 this.update(&mut cx, |this, cx| {
567 this.collaborators.clear();
568 this.shared_buffers.clear();
569 for worktree in this.worktrees(cx).collect::<Vec<_>>() {
570 worktree.update(cx, |worktree, _| {
571 worktree.as_local_mut().unwrap().unshare();
572 });
573 }
574 cx.notify()
575 });
576 Ok(())
577 })
578 }
579
580 pub fn is_read_only(&self) -> bool {
581 match &self.client_state {
582 ProjectClientState::Local { .. } => false,
583 ProjectClientState::Remote {
584 sharing_has_stopped,
585 ..
586 } => *sharing_has_stopped,
587 }
588 }
589
590 pub fn is_local(&self) -> bool {
591 match &self.client_state {
592 ProjectClientState::Local { .. } => true,
593 ProjectClientState::Remote { .. } => false,
594 }
595 }
596
597 pub fn is_remote(&self) -> bool {
598 !self.is_local()
599 }
600
601 pub fn open_buffer(
602 &mut self,
603 path: impl Into<ProjectPath>,
604 cx: &mut ModelContext<Self>,
605 ) -> Task<Result<ModelHandle<Buffer>>> {
606 let project_path = path.into();
607 let worktree = if let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) {
608 worktree
609 } else {
610 return Task::ready(Err(anyhow!("no such worktree")));
611 };
612
613 // If there is already a buffer for the given path, then return it.
614 let existing_buffer = self.get_open_buffer(&project_path, cx);
615 if let Some(existing_buffer) = existing_buffer {
616 return Task::ready(Ok(existing_buffer));
617 }
618
619 let mut loading_watch = match self.loading_buffers.entry(project_path.clone()) {
620 // If the given path is already being loaded, then wait for that existing
621 // task to complete and return the same buffer.
622 hash_map::Entry::Occupied(e) => e.get().clone(),
623
624 // Otherwise, record the fact that this path is now being loaded.
625 hash_map::Entry::Vacant(entry) => {
626 let (mut tx, rx) = postage::watch::channel();
627 entry.insert(rx.clone());
628
629 let load_buffer = if worktree.read(cx).is_local() {
630 self.open_local_buffer(&project_path.path, &worktree, cx)
631 } else {
632 self.open_remote_buffer(&project_path.path, &worktree, cx)
633 };
634
635 cx.spawn(move |this, mut cx| async move {
636 let load_result = load_buffer.await;
637 *tx.borrow_mut() = Some(this.update(&mut cx, |this, _| {
638 // Record the fact that the buffer is no longer loading.
639 this.loading_buffers.remove(&project_path);
640 let buffer = load_result.map_err(Arc::new)?;
641 Ok(buffer)
642 }));
643 })
644 .detach();
645 rx
646 }
647 };
648
649 cx.foreground().spawn(async move {
650 loop {
651 if let Some(result) = loading_watch.borrow().as_ref() {
652 match result {
653 Ok(buffer) => return Ok(buffer.clone()),
654 Err(error) => return Err(anyhow!("{}", error)),
655 }
656 }
657 loading_watch.recv().await;
658 }
659 })
660 }
661
662 fn open_local_buffer(
663 &mut self,
664 path: &Arc<Path>,
665 worktree: &ModelHandle<Worktree>,
666 cx: &mut ModelContext<Self>,
667 ) -> Task<Result<ModelHandle<Buffer>>> {
668 let load_buffer = worktree.update(cx, |worktree, cx| {
669 let worktree = worktree.as_local_mut().unwrap();
670 worktree.load_buffer(path, cx)
671 });
672 let worktree = worktree.downgrade();
673 cx.spawn(|this, mut cx| async move {
674 let buffer = load_buffer.await?;
675 let worktree = worktree
676 .upgrade(&cx)
677 .ok_or_else(|| anyhow!("worktree was removed"))?;
678 this.update(&mut cx, |this, cx| {
679 this.register_buffer(&buffer, Some(&worktree), cx)
680 })?;
681 Ok(buffer)
682 })
683 }
684
685 fn open_remote_buffer(
686 &mut self,
687 path: &Arc<Path>,
688 worktree: &ModelHandle<Worktree>,
689 cx: &mut ModelContext<Self>,
690 ) -> Task<Result<ModelHandle<Buffer>>> {
691 let rpc = self.client.clone();
692 let project_id = self.remote_id().unwrap();
693 let remote_worktree_id = worktree.read(cx).id();
694 let path = path.clone();
695 let path_string = path.to_string_lossy().to_string();
696 let request_handle = self.start_buffer_request(cx);
697 cx.spawn(|this, mut cx| async move {
698 let response = rpc
699 .request(proto::OpenBuffer {
700 project_id,
701 worktree_id: remote_worktree_id.to_proto(),
702 path: path_string,
703 })
704 .await?;
705 let buffer = response.buffer.ok_or_else(|| anyhow!("missing buffer"))?;
706
707 this.update(&mut cx, |this, cx| {
708 this.deserialize_buffer(buffer, request_handle, cx)
709 })
710 .await
711 })
712 }
713
714 fn open_local_buffer_via_lsp(
715 &mut self,
716 abs_path: lsp::Url,
717 lang_name: String,
718 lang_server: Arc<LanguageServer>,
719 cx: &mut ModelContext<Self>,
720 ) -> Task<Result<ModelHandle<Buffer>>> {
721 cx.spawn(|this, mut cx| async move {
722 let abs_path = abs_path
723 .to_file_path()
724 .map_err(|_| anyhow!("can't convert URI to path"))?;
725 let (worktree, relative_path) = if let Some(result) =
726 this.read_with(&cx, |this, cx| this.find_local_worktree(&abs_path, cx))
727 {
728 result
729 } else {
730 let worktree = this
731 .update(&mut cx, |this, cx| {
732 this.create_local_worktree(&abs_path, true, cx)
733 })
734 .await?;
735 this.update(&mut cx, |this, cx| {
736 this.language_servers
737 .insert((worktree.read(cx).id(), lang_name), lang_server);
738 });
739 (worktree, PathBuf::new())
740 };
741
742 let project_path = ProjectPath {
743 worktree_id: worktree.read_with(&cx, |worktree, _| worktree.id()),
744 path: relative_path.into(),
745 };
746 this.update(&mut cx, |this, cx| this.open_buffer(project_path, cx))
747 .await
748 })
749 }
750
751 fn start_buffer_request(&self, cx: &AppContext) -> BufferRequestHandle {
752 BufferRequestHandle::new(self.buffers_state.clone(), cx)
753 }
754
755 pub fn save_buffer_as(
756 &self,
757 buffer: ModelHandle<Buffer>,
758 abs_path: PathBuf,
759 cx: &mut ModelContext<Project>,
760 ) -> Task<Result<()>> {
761 let worktree_task = self.find_or_create_local_worktree(&abs_path, false, cx);
762 cx.spawn(|this, mut cx| async move {
763 let (worktree, path) = worktree_task.await?;
764 worktree
765 .update(&mut cx, |worktree, cx| {
766 worktree
767 .as_local_mut()
768 .unwrap()
769 .save_buffer_as(buffer.clone(), path, cx)
770 })
771 .await?;
772 this.update(&mut cx, |this, cx| {
773 this.assign_language_to_buffer(&buffer, Some(&worktree), cx);
774 });
775 Ok(())
776 })
777 }
778
779 #[cfg(any(test, feature = "test-support"))]
780 pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &AppContext) -> bool {
781 let path = path.into();
782 if let Some(worktree) = self.worktree_for_id(path.worktree_id, cx) {
783 self.buffers_state
784 .borrow()
785 .open_buffers
786 .iter()
787 .any(|(_, buffer)| {
788 if let Some(buffer) = buffer.upgrade(cx) {
789 if let Some(file) = File::from_dyn(buffer.read(cx).file()) {
790 if file.worktree == worktree && file.path() == &path.path {
791 return true;
792 }
793 }
794 }
795 false
796 })
797 } else {
798 false
799 }
800 }
801
802 pub fn get_open_buffer(
803 &mut self,
804 path: &ProjectPath,
805 cx: &mut ModelContext<Self>,
806 ) -> Option<ModelHandle<Buffer>> {
807 let mut result = None;
808 let worktree = self.worktree_for_id(path.worktree_id, cx)?;
809 self.buffers_state
810 .borrow_mut()
811 .open_buffers
812 .retain(|_, buffer| {
813 if let Some(buffer) = buffer.upgrade(cx) {
814 if let Some(file) = File::from_dyn(buffer.read(cx).file()) {
815 if file.worktree == worktree && file.path() == &path.path {
816 result = Some(buffer);
817 }
818 }
819 true
820 } else {
821 false
822 }
823 });
824 result
825 }
826
827 fn register_buffer(
828 &mut self,
829 buffer: &ModelHandle<Buffer>,
830 worktree: Option<&ModelHandle<Worktree>>,
831 cx: &mut ModelContext<Self>,
832 ) -> Result<()> {
833 let remote_id = buffer.read(cx).remote_id();
834 match self
835 .buffers_state
836 .borrow_mut()
837 .open_buffers
838 .insert(remote_id, OpenBuffer::Loaded(buffer.downgrade()))
839 {
840 None => {}
841 Some(OpenBuffer::Loading(operations)) => {
842 buffer.update(cx, |buffer, cx| buffer.apply_ops(operations, cx))?
843 }
844 Some(OpenBuffer::Loaded(existing_handle)) => {
845 if existing_handle.upgrade(cx).is_some() {
846 Err(anyhow!(
847 "already registered buffer with remote id {}",
848 remote_id
849 ))?
850 }
851 }
852 }
853 self.assign_language_to_buffer(&buffer, worktree, cx);
854 Ok(())
855 }
856
857 fn assign_language_to_buffer(
858 &mut self,
859 buffer: &ModelHandle<Buffer>,
860 worktree: Option<&ModelHandle<Worktree>>,
861 cx: &mut ModelContext<Self>,
862 ) -> Option<()> {
863 let (path, full_path) = {
864 let file = buffer.read(cx).file()?;
865 (file.path().clone(), file.full_path(cx))
866 };
867
868 // If the buffer has a language, set it and start/assign the language server
869 if let Some(language) = self.languages.select_language(&full_path) {
870 buffer.update(cx, |buffer, cx| {
871 buffer.set_language(Some(language.clone()), cx);
872 });
873
874 // For local worktrees, start a language server if needed.
875 // Also assign the language server and any previously stored diagnostics to the buffer.
876 if let Some(local_worktree) = worktree.and_then(|w| w.read(cx).as_local()) {
877 let worktree_id = local_worktree.id();
878 let worktree_abs_path = local_worktree.abs_path().clone();
879 let buffer = buffer.downgrade();
880 let language_server =
881 self.start_language_server(worktree_id, worktree_abs_path, language, cx);
882
883 cx.spawn_weak(|_, mut cx| async move {
884 if let Some(language_server) = language_server.await {
885 if let Some(buffer) = buffer.upgrade(&cx) {
886 buffer.update(&mut cx, |buffer, cx| {
887 buffer.set_language_server(Some(language_server), cx);
888 });
889 }
890 }
891 })
892 .detach();
893 }
894 }
895
896 if let Some(local_worktree) = worktree.and_then(|w| w.read(cx).as_local()) {
897 if let Some(diagnostics) = local_worktree.diagnostics_for_path(&path) {
898 buffer.update(cx, |buffer, cx| {
899 buffer.update_diagnostics(diagnostics, None, cx).log_err();
900 });
901 }
902 }
903
904 None
905 }
906
907 fn start_language_server(
908 &mut self,
909 worktree_id: WorktreeId,
910 worktree_path: Arc<Path>,
911 language: Arc<Language>,
912 cx: &mut ModelContext<Self>,
913 ) -> Shared<Task<Option<Arc<LanguageServer>>>> {
914 enum LspEvent {
915 DiagnosticsStart,
916 DiagnosticsUpdate(lsp::PublishDiagnosticsParams),
917 DiagnosticsFinish,
918 }
919
920 let key = (worktree_id, language.name().to_string());
921 self.started_language_servers
922 .entry(key.clone())
923 .or_insert_with(|| {
924 let language_server = self.languages.start_language_server(
925 &language,
926 worktree_path,
927 self.client.http_client(),
928 cx,
929 );
930 let rpc = self.client.clone();
931 cx.spawn_weak(|this, mut cx| async move {
932 let language_server = language_server?.await.log_err()?;
933 if let Some(this) = this.upgrade(&cx) {
934 this.update(&mut cx, |this, _| {
935 this.language_servers.insert(key, language_server.clone());
936 });
937 }
938
939 let disk_based_sources = language
940 .disk_based_diagnostic_sources()
941 .cloned()
942 .unwrap_or_default();
943 let disk_based_diagnostics_progress_token =
944 language.disk_based_diagnostics_progress_token().cloned();
945 let has_disk_based_diagnostic_progress_token =
946 disk_based_diagnostics_progress_token.is_some();
947 let (diagnostics_tx, diagnostics_rx) = smol::channel::unbounded();
948
949 // Listen for `PublishDiagnostics` notifications.
950 language_server
951 .on_notification::<lsp::notification::PublishDiagnostics, _>({
952 let diagnostics_tx = diagnostics_tx.clone();
953 move |params| {
954 if !has_disk_based_diagnostic_progress_token {
955 block_on(diagnostics_tx.send(LspEvent::DiagnosticsStart)).ok();
956 }
957 block_on(diagnostics_tx.send(LspEvent::DiagnosticsUpdate(params)))
958 .ok();
959 if !has_disk_based_diagnostic_progress_token {
960 block_on(diagnostics_tx.send(LspEvent::DiagnosticsFinish)).ok();
961 }
962 }
963 })
964 .detach();
965
966 // Listen for `Progress` notifications. Send an event when the language server
967 // transitions between running jobs and not running any jobs.
968 let mut running_jobs_for_this_server: i32 = 0;
969 language_server
970 .on_notification::<lsp::notification::Progress, _>(move |params| {
971 let token = match params.token {
972 lsp::NumberOrString::Number(_) => None,
973 lsp::NumberOrString::String(token) => Some(token),
974 };
975
976 if token == disk_based_diagnostics_progress_token {
977 match params.value {
978 lsp::ProgressParamsValue::WorkDone(progress) => {
979 match progress {
980 lsp::WorkDoneProgress::Begin(_) => {
981 running_jobs_for_this_server += 1;
982 if running_jobs_for_this_server == 1 {
983 block_on(
984 diagnostics_tx
985 .send(LspEvent::DiagnosticsStart),
986 )
987 .ok();
988 }
989 }
990 lsp::WorkDoneProgress::End(_) => {
991 running_jobs_for_this_server -= 1;
992 if running_jobs_for_this_server == 0 {
993 block_on(
994 diagnostics_tx
995 .send(LspEvent::DiagnosticsFinish),
996 )
997 .ok();
998 }
999 }
1000 _ => {}
1001 }
1002 }
1003 }
1004 }
1005 })
1006 .detach();
1007
1008 // Process all the LSP events.
1009 cx.spawn(|mut cx| async move {
1010 while let Ok(message) = diagnostics_rx.recv().await {
1011 let this = this.upgrade(&cx)?;
1012 match message {
1013 LspEvent::DiagnosticsStart => {
1014 this.update(&mut cx, |this, cx| {
1015 this.disk_based_diagnostics_started(cx);
1016 if let Some(project_id) = this.remote_id() {
1017 rpc.send(proto::DiskBasedDiagnosticsUpdating {
1018 project_id,
1019 })
1020 .log_err();
1021 }
1022 });
1023 }
1024 LspEvent::DiagnosticsUpdate(mut params) => {
1025 language.process_diagnostics(&mut params);
1026 this.update(&mut cx, |this, cx| {
1027 this.update_diagnostics(params, &disk_based_sources, cx)
1028 .log_err();
1029 });
1030 }
1031 LspEvent::DiagnosticsFinish => {
1032 this.update(&mut cx, |this, cx| {
1033 this.disk_based_diagnostics_finished(cx);
1034 if let Some(project_id) = this.remote_id() {
1035 rpc.send(proto::DiskBasedDiagnosticsUpdated {
1036 project_id,
1037 })
1038 .log_err();
1039 }
1040 });
1041 }
1042 }
1043 }
1044 Some(())
1045 })
1046 .detach();
1047
1048 Some(language_server)
1049 })
1050 .shared()
1051 })
1052 .clone()
1053 }
1054
1055 pub fn update_diagnostics(
1056 &mut self,
1057 params: lsp::PublishDiagnosticsParams,
1058 disk_based_sources: &HashSet<String>,
1059 cx: &mut ModelContext<Self>,
1060 ) -> Result<()> {
1061 let abs_path = params
1062 .uri
1063 .to_file_path()
1064 .map_err(|_| anyhow!("URI is not a file"))?;
1065 let mut next_group_id = 0;
1066 let mut diagnostics = Vec::default();
1067 let mut primary_diagnostic_group_ids = HashMap::default();
1068 let mut sources_by_group_id = HashMap::default();
1069 let mut supporting_diagnostic_severities = HashMap::default();
1070 for diagnostic in ¶ms.diagnostics {
1071 let source = diagnostic.source.as_ref();
1072 let code = diagnostic.code.as_ref().map(|code| match code {
1073 lsp::NumberOrString::Number(code) => code.to_string(),
1074 lsp::NumberOrString::String(code) => code.clone(),
1075 });
1076 let range = range_from_lsp(diagnostic.range);
1077 let is_supporting = diagnostic
1078 .related_information
1079 .as_ref()
1080 .map_or(false, |infos| {
1081 infos.iter().any(|info| {
1082 primary_diagnostic_group_ids.contains_key(&(
1083 source,
1084 code.clone(),
1085 range_from_lsp(info.location.range),
1086 ))
1087 })
1088 });
1089
1090 if is_supporting {
1091 if let Some(severity) = diagnostic.severity {
1092 supporting_diagnostic_severities
1093 .insert((source, code.clone(), range), severity);
1094 }
1095 } else {
1096 let group_id = post_inc(&mut next_group_id);
1097 let is_disk_based =
1098 source.map_or(false, |source| disk_based_sources.contains(source));
1099
1100 sources_by_group_id.insert(group_id, source);
1101 primary_diagnostic_group_ids
1102 .insert((source, code.clone(), range.clone()), group_id);
1103
1104 diagnostics.push(DiagnosticEntry {
1105 range,
1106 diagnostic: Diagnostic {
1107 code: code.clone(),
1108 severity: diagnostic.severity.unwrap_or(DiagnosticSeverity::ERROR),
1109 message: diagnostic.message.clone(),
1110 group_id,
1111 is_primary: true,
1112 is_valid: true,
1113 is_disk_based,
1114 },
1115 });
1116 if let Some(infos) = &diagnostic.related_information {
1117 for info in infos {
1118 if info.location.uri == params.uri && !info.message.is_empty() {
1119 let range = range_from_lsp(info.location.range);
1120 diagnostics.push(DiagnosticEntry {
1121 range,
1122 diagnostic: Diagnostic {
1123 code: code.clone(),
1124 severity: DiagnosticSeverity::INFORMATION,
1125 message: info.message.clone(),
1126 group_id,
1127 is_primary: false,
1128 is_valid: true,
1129 is_disk_based,
1130 },
1131 });
1132 }
1133 }
1134 }
1135 }
1136 }
1137
1138 for entry in &mut diagnostics {
1139 let diagnostic = &mut entry.diagnostic;
1140 if !diagnostic.is_primary {
1141 let source = *sources_by_group_id.get(&diagnostic.group_id).unwrap();
1142 if let Some(&severity) = supporting_diagnostic_severities.get(&(
1143 source,
1144 diagnostic.code.clone(),
1145 entry.range.clone(),
1146 )) {
1147 diagnostic.severity = severity;
1148 }
1149 }
1150 }
1151
1152 self.update_diagnostic_entries(abs_path, params.version, diagnostics, cx)?;
1153 Ok(())
1154 }
1155
1156 pub fn update_diagnostic_entries(
1157 &mut self,
1158 abs_path: PathBuf,
1159 version: Option<i32>,
1160 diagnostics: Vec<DiagnosticEntry<PointUtf16>>,
1161 cx: &mut ModelContext<Project>,
1162 ) -> Result<(), anyhow::Error> {
1163 let (worktree, relative_path) = self
1164 .find_local_worktree(&abs_path, cx)
1165 .ok_or_else(|| anyhow!("no worktree found for diagnostics"))?;
1166 let project_path = ProjectPath {
1167 worktree_id: worktree.read(cx).id(),
1168 path: relative_path.into(),
1169 };
1170
1171 for buffer in self.buffers_state.borrow().open_buffers.values() {
1172 if let Some(buffer) = buffer.upgrade(cx) {
1173 if buffer
1174 .read(cx)
1175 .file()
1176 .map_or(false, |file| *file.path() == project_path.path)
1177 {
1178 buffer.update(cx, |buffer, cx| {
1179 buffer.update_diagnostics(diagnostics.clone(), version, cx)
1180 })?;
1181 break;
1182 }
1183 }
1184 }
1185 worktree.update(cx, |worktree, cx| {
1186 worktree
1187 .as_local_mut()
1188 .ok_or_else(|| anyhow!("not a local worktree"))?
1189 .update_diagnostics(project_path.path.clone(), diagnostics, cx)
1190 })?;
1191 cx.emit(Event::DiagnosticsUpdated(project_path));
1192 Ok(())
1193 }
1194
1195 pub fn format(
1196 &self,
1197 buffers: HashSet<ModelHandle<Buffer>>,
1198 push_to_history: bool,
1199 cx: &mut ModelContext<Project>,
1200 ) -> Task<Result<ProjectTransaction>> {
1201 let mut local_buffers = Vec::new();
1202 let mut remote_buffers = None;
1203 for buffer_handle in buffers {
1204 let buffer = buffer_handle.read(cx);
1205 let worktree;
1206 if let Some(file) = File::from_dyn(buffer.file()) {
1207 worktree = file.worktree.clone();
1208 if let Some(buffer_abs_path) = file.as_local().map(|f| f.abs_path(cx)) {
1209 let lang_server;
1210 if let Some(lang) = buffer.language() {
1211 if let Some(server) = self
1212 .language_servers
1213 .get(&(worktree.read(cx).id(), lang.name().to_string()))
1214 {
1215 lang_server = server.clone();
1216 } else {
1217 return Task::ready(Ok(Default::default()));
1218 };
1219 } else {
1220 return Task::ready(Ok(Default::default()));
1221 }
1222
1223 local_buffers.push((buffer_handle, buffer_abs_path, lang_server));
1224 } else {
1225 remote_buffers.get_or_insert(Vec::new()).push(buffer_handle);
1226 }
1227 } else {
1228 return Task::ready(Ok(Default::default()));
1229 }
1230 }
1231
1232 let remote_buffers = self.remote_id().zip(remote_buffers);
1233 let client = self.client.clone();
1234 let request_handle = self.start_buffer_request(cx);
1235
1236 cx.spawn(|this, mut cx| async move {
1237 let mut project_transaction = ProjectTransaction::default();
1238
1239 if let Some((project_id, remote_buffers)) = remote_buffers {
1240 let response = client
1241 .request(proto::FormatBuffers {
1242 project_id,
1243 buffer_ids: remote_buffers
1244 .iter()
1245 .map(|buffer| buffer.read_with(&cx, |buffer, _| buffer.remote_id()))
1246 .collect(),
1247 })
1248 .await?
1249 .transaction
1250 .ok_or_else(|| anyhow!("missing transaction"))?;
1251 project_transaction = this
1252 .update(&mut cx, |this, cx| {
1253 this.deserialize_project_transaction(
1254 response,
1255 push_to_history,
1256 request_handle,
1257 cx,
1258 )
1259 })
1260 .await?;
1261 }
1262
1263 for (buffer, buffer_abs_path, lang_server) in local_buffers {
1264 let lsp_edits = lang_server
1265 .request::<lsp::request::Formatting>(lsp::DocumentFormattingParams {
1266 text_document: lsp::TextDocumentIdentifier::new(
1267 lsp::Url::from_file_path(&buffer_abs_path).unwrap(),
1268 ),
1269 options: Default::default(),
1270 work_done_progress_params: Default::default(),
1271 })
1272 .await?;
1273
1274 if let Some(lsp_edits) = lsp_edits {
1275 let edits = buffer
1276 .update(&mut cx, |buffer, cx| {
1277 buffer.edits_from_lsp(lsp_edits, None, cx)
1278 })
1279 .await?;
1280 buffer.update(&mut cx, |buffer, cx| {
1281 buffer.finalize_last_transaction();
1282 buffer.start_transaction();
1283 for (range, text) in edits {
1284 buffer.edit([range], text, cx);
1285 }
1286 if buffer.end_transaction(cx).is_some() {
1287 let transaction = buffer.finalize_last_transaction().unwrap().clone();
1288 if !push_to_history {
1289 buffer.forget_transaction(transaction.id);
1290 }
1291 project_transaction.0.insert(cx.handle(), transaction);
1292 }
1293 });
1294 }
1295 }
1296
1297 Ok(project_transaction)
1298 })
1299 }
1300
1301 pub fn definition<T: ToPointUtf16>(
1302 &self,
1303 buffer: &ModelHandle<Buffer>,
1304 position: T,
1305 cx: &mut ModelContext<Self>,
1306 ) -> Task<Result<Vec<Location>>> {
1307 let position = position.to_point_utf16(buffer.read(cx));
1308 self.request_lsp(buffer.clone(), GetDefinition { position }, cx)
1309 }
1310
1311 pub fn references<T: ToPointUtf16>(
1312 &self,
1313 buffer: &ModelHandle<Buffer>,
1314 position: T,
1315 cx: &mut ModelContext<Self>,
1316 ) -> Task<Result<Vec<Location>>> {
1317 let position = position.to_point_utf16(buffer.read(cx));
1318 self.request_lsp(buffer.clone(), GetReferences { position }, cx)
1319 }
1320
1321 pub fn document_highlights<T: ToPointUtf16>(
1322 &self,
1323 buffer: &ModelHandle<Buffer>,
1324 position: T,
1325 cx: &mut ModelContext<Self>,
1326 ) -> Task<Result<Vec<DocumentHighlight>>> {
1327 let position = position.to_point_utf16(buffer.read(cx));
1328 self.request_lsp(buffer.clone(), GetDocumentHighlights { position }, cx)
1329 }
1330
1331 pub fn symbols(&self, query: &str, cx: &mut ModelContext<Self>) -> Task<Result<Vec<Symbol>>> {
1332 if self.is_local() {
1333 let mut language_servers = HashMap::default();
1334 for ((worktree_id, language_name), language_server) in self.language_servers.iter() {
1335 if let Some((worktree, language)) = self
1336 .worktree_for_id(*worktree_id, cx)
1337 .and_then(|worktree| worktree.read(cx).as_local())
1338 .zip(self.languages.get_language(language_name))
1339 {
1340 language_servers
1341 .entry(Arc::as_ptr(language_server))
1342 .or_insert((
1343 language_server.clone(),
1344 *worktree_id,
1345 worktree.abs_path().clone(),
1346 language.clone(),
1347 ));
1348 }
1349 }
1350
1351 let mut requests = Vec::new();
1352 for (language_server, _, _, _) in language_servers.values() {
1353 requests.push(language_server.request::<lsp::request::WorkspaceSymbol>(
1354 lsp::WorkspaceSymbolParams {
1355 query: query.to_string(),
1356 ..Default::default()
1357 },
1358 ));
1359 }
1360
1361 cx.spawn_weak(|this, cx| async move {
1362 let responses = futures::future::try_join_all(requests).await?;
1363
1364 let mut symbols = Vec::new();
1365 if let Some(this) = this.upgrade(&cx) {
1366 this.read_with(&cx, |this, cx| {
1367 for ((_, source_worktree_id, worktree_abs_path, language), lsp_symbols) in
1368 language_servers.into_values().zip(responses)
1369 {
1370 symbols.extend(lsp_symbols.into_iter().flatten().filter_map(
1371 |lsp_symbol| {
1372 let abs_path = lsp_symbol.location.uri.to_file_path().ok()?;
1373 let mut worktree_id = source_worktree_id;
1374 let path;
1375 if let Some((worktree, rel_path)) =
1376 this.find_local_worktree(&abs_path, cx)
1377 {
1378 worktree_id = worktree.read(cx).id();
1379 path = rel_path;
1380 } else {
1381 path = relativize_path(&worktree_abs_path, &abs_path);
1382 }
1383
1384 let label = language
1385 .label_for_symbol(&lsp_symbol.name, lsp_symbol.kind)
1386 .unwrap_or_else(|| {
1387 CodeLabel::plain(lsp_symbol.name.clone(), None)
1388 });
1389 let signature = this.symbol_signature(worktree_id, &path);
1390
1391 Some(Symbol {
1392 source_worktree_id,
1393 worktree_id,
1394 language_name: language.name().to_string(),
1395 name: lsp_symbol.name,
1396 kind: lsp_symbol.kind,
1397 label,
1398 path,
1399 range: range_from_lsp(lsp_symbol.location.range),
1400 signature,
1401 })
1402 },
1403 ));
1404 }
1405 })
1406 }
1407
1408 Ok(symbols)
1409 })
1410 } else if let Some(project_id) = self.remote_id() {
1411 let request = self.client.request(proto::GetProjectSymbols {
1412 project_id,
1413 query: query.to_string(),
1414 });
1415 cx.spawn_weak(|this, cx| async move {
1416 let response = request.await?;
1417 let mut symbols = Vec::new();
1418 if let Some(this) = this.upgrade(&cx) {
1419 this.read_with(&cx, |this, _| {
1420 symbols.extend(
1421 response
1422 .symbols
1423 .into_iter()
1424 .filter_map(|symbol| this.deserialize_symbol(symbol).log_err()),
1425 );
1426 })
1427 }
1428 Ok(symbols)
1429 })
1430 } else {
1431 Task::ready(Ok(Default::default()))
1432 }
1433 }
1434
1435 pub fn open_buffer_for_symbol(
1436 &mut self,
1437 symbol: &Symbol,
1438 cx: &mut ModelContext<Self>,
1439 ) -> Task<Result<ModelHandle<Buffer>>> {
1440 if self.is_local() {
1441 let language_server = if let Some(server) = self
1442 .language_servers
1443 .get(&(symbol.source_worktree_id, symbol.language_name.clone()))
1444 {
1445 server.clone()
1446 } else {
1447 return Task::ready(Err(anyhow!(
1448 "language server for worktree and language not found"
1449 )));
1450 };
1451
1452 let worktree_abs_path = if let Some(worktree_abs_path) = self
1453 .worktree_for_id(symbol.worktree_id, cx)
1454 .and_then(|worktree| worktree.read(cx).as_local())
1455 .map(|local_worktree| local_worktree.abs_path())
1456 {
1457 worktree_abs_path
1458 } else {
1459 return Task::ready(Err(anyhow!("worktree not found for symbol")));
1460 };
1461 let symbol_abs_path = worktree_abs_path.join(&symbol.path);
1462 let symbol_uri = if let Ok(uri) = lsp::Url::from_file_path(symbol_abs_path) {
1463 uri
1464 } else {
1465 return Task::ready(Err(anyhow!("invalid symbol path")));
1466 };
1467
1468 self.open_local_buffer_via_lsp(
1469 symbol_uri,
1470 symbol.language_name.clone(),
1471 language_server,
1472 cx,
1473 )
1474 } else if let Some(project_id) = self.remote_id() {
1475 let request_handle = self.start_buffer_request(cx);
1476 let request = self.client.request(proto::OpenBufferForSymbol {
1477 project_id,
1478 symbol: Some(serialize_symbol(symbol)),
1479 });
1480 cx.spawn(|this, mut cx| async move {
1481 let response = request.await?;
1482 let buffer = response.buffer.ok_or_else(|| anyhow!("invalid buffer"))?;
1483 this.update(&mut cx, |this, cx| {
1484 this.deserialize_buffer(buffer, request_handle, cx)
1485 })
1486 .await
1487 })
1488 } else {
1489 Task::ready(Err(anyhow!("project does not have a remote id")))
1490 }
1491 }
1492
1493 pub fn completions<T: ToPointUtf16>(
1494 &self,
1495 source_buffer_handle: &ModelHandle<Buffer>,
1496 position: T,
1497 cx: &mut ModelContext<Self>,
1498 ) -> Task<Result<Vec<Completion>>> {
1499 let source_buffer_handle = source_buffer_handle.clone();
1500 let source_buffer = source_buffer_handle.read(cx);
1501 let buffer_id = source_buffer.remote_id();
1502 let language = source_buffer.language().cloned();
1503 let worktree;
1504 let buffer_abs_path;
1505 if let Some(file) = File::from_dyn(source_buffer.file()) {
1506 worktree = file.worktree.clone();
1507 buffer_abs_path = file.as_local().map(|f| f.abs_path(cx));
1508 } else {
1509 return Task::ready(Ok(Default::default()));
1510 };
1511
1512 let position = position.to_point_utf16(source_buffer);
1513 let anchor = source_buffer.anchor_after(position);
1514
1515 if worktree.read(cx).as_local().is_some() {
1516 let buffer_abs_path = buffer_abs_path.unwrap();
1517 let lang_server = if let Some(server) = source_buffer.language_server().cloned() {
1518 server
1519 } else {
1520 return Task::ready(Ok(Default::default()));
1521 };
1522
1523 cx.spawn(|_, cx| async move {
1524 let completions = lang_server
1525 .request::<lsp::request::Completion>(lsp::CompletionParams {
1526 text_document_position: lsp::TextDocumentPositionParams::new(
1527 lsp::TextDocumentIdentifier::new(
1528 lsp::Url::from_file_path(buffer_abs_path).unwrap(),
1529 ),
1530 position.to_lsp_position(),
1531 ),
1532 context: Default::default(),
1533 work_done_progress_params: Default::default(),
1534 partial_result_params: Default::default(),
1535 })
1536 .await
1537 .context("lsp completion request failed")?;
1538
1539 let completions = if let Some(completions) = completions {
1540 match completions {
1541 lsp::CompletionResponse::Array(completions) => completions,
1542 lsp::CompletionResponse::List(list) => list.items,
1543 }
1544 } else {
1545 Default::default()
1546 };
1547
1548 source_buffer_handle.read_with(&cx, |this, _| {
1549 Ok(completions
1550 .into_iter()
1551 .filter_map(|lsp_completion| {
1552 let (old_range, new_text) = match lsp_completion.text_edit.as_ref()? {
1553 lsp::CompletionTextEdit::Edit(edit) => {
1554 (range_from_lsp(edit.range), edit.new_text.clone())
1555 }
1556 lsp::CompletionTextEdit::InsertAndReplace(_) => {
1557 log::info!("unsupported insert/replace completion");
1558 return None;
1559 }
1560 };
1561
1562 let clipped_start = this.clip_point_utf16(old_range.start, Bias::Left);
1563 let clipped_end = this.clip_point_utf16(old_range.end, Bias::Left);
1564 if clipped_start == old_range.start && clipped_end == old_range.end {
1565 Some(Completion {
1566 old_range: this.anchor_before(old_range.start)
1567 ..this.anchor_after(old_range.end),
1568 new_text,
1569 label: language
1570 .as_ref()
1571 .and_then(|l| l.label_for_completion(&lsp_completion))
1572 .unwrap_or_else(|| {
1573 CodeLabel::plain(
1574 lsp_completion.label.clone(),
1575 lsp_completion.filter_text.as_deref(),
1576 )
1577 }),
1578 lsp_completion,
1579 })
1580 } else {
1581 None
1582 }
1583 })
1584 .collect())
1585 })
1586 })
1587 } else if let Some(project_id) = self.remote_id() {
1588 let rpc = self.client.clone();
1589 let message = proto::GetCompletions {
1590 project_id,
1591 buffer_id,
1592 position: Some(language::proto::serialize_anchor(&anchor)),
1593 version: (&source_buffer.version()).into(),
1594 };
1595 cx.spawn_weak(|_, mut cx| async move {
1596 let response = rpc.request(message).await?;
1597
1598 source_buffer_handle
1599 .update(&mut cx, |buffer, _| {
1600 buffer.wait_for_version(response.version.into())
1601 })
1602 .await;
1603
1604 response
1605 .completions
1606 .into_iter()
1607 .map(|completion| {
1608 language::proto::deserialize_completion(completion, language.as_ref())
1609 })
1610 .collect()
1611 })
1612 } else {
1613 Task::ready(Ok(Default::default()))
1614 }
1615 }
1616
1617 pub fn apply_additional_edits_for_completion(
1618 &self,
1619 buffer_handle: ModelHandle<Buffer>,
1620 completion: Completion,
1621 push_to_history: bool,
1622 cx: &mut ModelContext<Self>,
1623 ) -> Task<Result<Option<Transaction>>> {
1624 let buffer = buffer_handle.read(cx);
1625 let buffer_id = buffer.remote_id();
1626
1627 if self.is_local() {
1628 let lang_server = if let Some(language_server) = buffer.language_server() {
1629 language_server.clone()
1630 } else {
1631 return Task::ready(Err(anyhow!("buffer does not have a language server")));
1632 };
1633
1634 cx.spawn(|_, mut cx| async move {
1635 let resolved_completion = lang_server
1636 .request::<lsp::request::ResolveCompletionItem>(completion.lsp_completion)
1637 .await?;
1638 if let Some(edits) = resolved_completion.additional_text_edits {
1639 let edits = buffer_handle
1640 .update(&mut cx, |buffer, cx| buffer.edits_from_lsp(edits, None, cx))
1641 .await?;
1642 buffer_handle.update(&mut cx, |buffer, cx| {
1643 buffer.finalize_last_transaction();
1644 buffer.start_transaction();
1645 for (range, text) in edits {
1646 buffer.edit([range], text, cx);
1647 }
1648 let transaction = if buffer.end_transaction(cx).is_some() {
1649 let transaction = buffer.finalize_last_transaction().unwrap().clone();
1650 if !push_to_history {
1651 buffer.forget_transaction(transaction.id);
1652 }
1653 Some(transaction)
1654 } else {
1655 None
1656 };
1657 Ok(transaction)
1658 })
1659 } else {
1660 Ok(None)
1661 }
1662 })
1663 } else if let Some(project_id) = self.remote_id() {
1664 let client = self.client.clone();
1665 cx.spawn(|_, mut cx| async move {
1666 let response = client
1667 .request(proto::ApplyCompletionAdditionalEdits {
1668 project_id,
1669 buffer_id,
1670 completion: Some(language::proto::serialize_completion(&completion)),
1671 })
1672 .await?;
1673
1674 if let Some(transaction) = response.transaction {
1675 let transaction = language::proto::deserialize_transaction(transaction)?;
1676 buffer_handle
1677 .update(&mut cx, |buffer, _| {
1678 buffer.wait_for_edits(transaction.edit_ids.iter().copied())
1679 })
1680 .await;
1681 if push_to_history {
1682 buffer_handle.update(&mut cx, |buffer, _| {
1683 buffer.push_transaction(transaction.clone(), Instant::now());
1684 });
1685 }
1686 Ok(Some(transaction))
1687 } else {
1688 Ok(None)
1689 }
1690 })
1691 } else {
1692 Task::ready(Err(anyhow!("project does not have a remote id")))
1693 }
1694 }
1695
1696 pub fn code_actions<T: ToOffset>(
1697 &self,
1698 buffer_handle: &ModelHandle<Buffer>,
1699 range: Range<T>,
1700 cx: &mut ModelContext<Self>,
1701 ) -> Task<Result<Vec<CodeAction>>> {
1702 let buffer_handle = buffer_handle.clone();
1703 let buffer = buffer_handle.read(cx);
1704 let buffer_id = buffer.remote_id();
1705 let worktree;
1706 let buffer_abs_path;
1707 if let Some(file) = File::from_dyn(buffer.file()) {
1708 worktree = file.worktree.clone();
1709 buffer_abs_path = file.as_local().map(|f| f.abs_path(cx));
1710 } else {
1711 return Task::ready(Ok(Default::default()));
1712 };
1713 let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
1714
1715 if worktree.read(cx).as_local().is_some() {
1716 let buffer_abs_path = buffer_abs_path.unwrap();
1717 let lang_name;
1718 let lang_server;
1719 if let Some(lang) = buffer.language() {
1720 lang_name = lang.name().to_string();
1721 if let Some(server) = self
1722 .language_servers
1723 .get(&(worktree.read(cx).id(), lang_name.clone()))
1724 {
1725 lang_server = server.clone();
1726 } else {
1727 return Task::ready(Ok(Default::default()));
1728 };
1729 } else {
1730 return Task::ready(Ok(Default::default()));
1731 }
1732
1733 let lsp_range = lsp::Range::new(
1734 range.start.to_point_utf16(buffer).to_lsp_position(),
1735 range.end.to_point_utf16(buffer).to_lsp_position(),
1736 );
1737 cx.foreground().spawn(async move {
1738 Ok(lang_server
1739 .request::<lsp::request::CodeActionRequest>(lsp::CodeActionParams {
1740 text_document: lsp::TextDocumentIdentifier::new(
1741 lsp::Url::from_file_path(buffer_abs_path).unwrap(),
1742 ),
1743 range: lsp_range,
1744 work_done_progress_params: Default::default(),
1745 partial_result_params: Default::default(),
1746 context: lsp::CodeActionContext {
1747 diagnostics: Default::default(),
1748 only: Some(vec![
1749 lsp::CodeActionKind::QUICKFIX,
1750 lsp::CodeActionKind::REFACTOR,
1751 lsp::CodeActionKind::REFACTOR_EXTRACT,
1752 ]),
1753 },
1754 })
1755 .await?
1756 .unwrap_or_default()
1757 .into_iter()
1758 .filter_map(|entry| {
1759 if let lsp::CodeActionOrCommand::CodeAction(lsp_action) = entry {
1760 Some(CodeAction {
1761 range: range.clone(),
1762 lsp_action,
1763 })
1764 } else {
1765 None
1766 }
1767 })
1768 .collect())
1769 })
1770 } else if let Some(project_id) = self.remote_id() {
1771 let rpc = self.client.clone();
1772 cx.spawn_weak(|_, mut cx| async move {
1773 let response = rpc
1774 .request(proto::GetCodeActions {
1775 project_id,
1776 buffer_id,
1777 start: Some(language::proto::serialize_anchor(&range.start)),
1778 end: Some(language::proto::serialize_anchor(&range.end)),
1779 })
1780 .await?;
1781
1782 buffer_handle
1783 .update(&mut cx, |buffer, _| {
1784 buffer.wait_for_version(response.version.into())
1785 })
1786 .await;
1787
1788 response
1789 .actions
1790 .into_iter()
1791 .map(language::proto::deserialize_code_action)
1792 .collect()
1793 })
1794 } else {
1795 Task::ready(Ok(Default::default()))
1796 }
1797 }
1798
1799 pub fn apply_code_action(
1800 &self,
1801 buffer_handle: ModelHandle<Buffer>,
1802 mut action: CodeAction,
1803 push_to_history: bool,
1804 cx: &mut ModelContext<Self>,
1805 ) -> Task<Result<ProjectTransaction>> {
1806 if self.is_local() {
1807 let buffer = buffer_handle.read(cx);
1808 let lang_name = if let Some(lang) = buffer.language() {
1809 lang.name().to_string()
1810 } else {
1811 return Task::ready(Ok(Default::default()));
1812 };
1813 let lang_server = if let Some(language_server) = buffer.language_server() {
1814 language_server.clone()
1815 } else {
1816 return Task::ready(Err(anyhow!("buffer does not have a language server")));
1817 };
1818 let range = action.range.to_point_utf16(buffer);
1819
1820 cx.spawn(|this, mut cx| async move {
1821 if let Some(lsp_range) = action
1822 .lsp_action
1823 .data
1824 .as_mut()
1825 .and_then(|d| d.get_mut("codeActionParams"))
1826 .and_then(|d| d.get_mut("range"))
1827 {
1828 *lsp_range = serde_json::to_value(&lsp::Range::new(
1829 range.start.to_lsp_position(),
1830 range.end.to_lsp_position(),
1831 ))
1832 .unwrap();
1833 action.lsp_action = lang_server
1834 .request::<lsp::request::CodeActionResolveRequest>(action.lsp_action)
1835 .await?;
1836 } else {
1837 let actions = this
1838 .update(&mut cx, |this, cx| {
1839 this.code_actions(&buffer_handle, action.range, cx)
1840 })
1841 .await?;
1842 action.lsp_action = actions
1843 .into_iter()
1844 .find(|a| a.lsp_action.title == action.lsp_action.title)
1845 .ok_or_else(|| anyhow!("code action is outdated"))?
1846 .lsp_action;
1847 }
1848
1849 if let Some(edit) = action.lsp_action.edit {
1850 Self::deserialize_workspace_edit(
1851 this,
1852 edit,
1853 push_to_history,
1854 lang_name,
1855 lang_server,
1856 &mut cx,
1857 )
1858 .await
1859 } else {
1860 Ok(ProjectTransaction::default())
1861 }
1862 })
1863 } else if let Some(project_id) = self.remote_id() {
1864 let client = self.client.clone();
1865 let request_handle = self.start_buffer_request(cx);
1866 let request = proto::ApplyCodeAction {
1867 project_id,
1868 buffer_id: buffer_handle.read(cx).remote_id(),
1869 action: Some(language::proto::serialize_code_action(&action)),
1870 };
1871 cx.spawn(|this, mut cx| async move {
1872 let response = client
1873 .request(request)
1874 .await?
1875 .transaction
1876 .ok_or_else(|| anyhow!("missing transaction"))?;
1877 this.update(&mut cx, |this, cx| {
1878 this.deserialize_project_transaction(
1879 response,
1880 push_to_history,
1881 request_handle,
1882 cx,
1883 )
1884 })
1885 .await
1886 })
1887 } else {
1888 Task::ready(Err(anyhow!("project does not have a remote id")))
1889 }
1890 }
1891
1892 async fn deserialize_workspace_edit(
1893 this: ModelHandle<Self>,
1894 edit: lsp::WorkspaceEdit,
1895 push_to_history: bool,
1896 language_name: String,
1897 language_server: Arc<LanguageServer>,
1898 cx: &mut AsyncAppContext,
1899 ) -> Result<ProjectTransaction> {
1900 let fs = this.read_with(cx, |this, _| this.fs.clone());
1901 let mut operations = Vec::new();
1902 if let Some(document_changes) = edit.document_changes {
1903 match document_changes {
1904 lsp::DocumentChanges::Edits(edits) => {
1905 operations.extend(edits.into_iter().map(lsp::DocumentChangeOperation::Edit))
1906 }
1907 lsp::DocumentChanges::Operations(ops) => operations = ops,
1908 }
1909 } else if let Some(changes) = edit.changes {
1910 operations.extend(changes.into_iter().map(|(uri, edits)| {
1911 lsp::DocumentChangeOperation::Edit(lsp::TextDocumentEdit {
1912 text_document: lsp::OptionalVersionedTextDocumentIdentifier {
1913 uri,
1914 version: None,
1915 },
1916 edits: edits.into_iter().map(lsp::OneOf::Left).collect(),
1917 })
1918 }));
1919 }
1920
1921 let mut project_transaction = ProjectTransaction::default();
1922 for operation in operations {
1923 match operation {
1924 lsp::DocumentChangeOperation::Op(lsp::ResourceOp::Create(op)) => {
1925 let abs_path = op
1926 .uri
1927 .to_file_path()
1928 .map_err(|_| anyhow!("can't convert URI to path"))?;
1929
1930 if let Some(parent_path) = abs_path.parent() {
1931 fs.create_dir(parent_path).await?;
1932 }
1933 if abs_path.ends_with("/") {
1934 fs.create_dir(&abs_path).await?;
1935 } else {
1936 fs.create_file(&abs_path, op.options.map(Into::into).unwrap_or_default())
1937 .await?;
1938 }
1939 }
1940 lsp::DocumentChangeOperation::Op(lsp::ResourceOp::Rename(op)) => {
1941 let source_abs_path = op
1942 .old_uri
1943 .to_file_path()
1944 .map_err(|_| anyhow!("can't convert URI to path"))?;
1945 let target_abs_path = op
1946 .new_uri
1947 .to_file_path()
1948 .map_err(|_| anyhow!("can't convert URI to path"))?;
1949 fs.rename(
1950 &source_abs_path,
1951 &target_abs_path,
1952 op.options.map(Into::into).unwrap_or_default(),
1953 )
1954 .await?;
1955 }
1956 lsp::DocumentChangeOperation::Op(lsp::ResourceOp::Delete(op)) => {
1957 let abs_path = op
1958 .uri
1959 .to_file_path()
1960 .map_err(|_| anyhow!("can't convert URI to path"))?;
1961 let options = op.options.map(Into::into).unwrap_or_default();
1962 if abs_path.ends_with("/") {
1963 fs.remove_dir(&abs_path, options).await?;
1964 } else {
1965 fs.remove_file(&abs_path, options).await?;
1966 }
1967 }
1968 lsp::DocumentChangeOperation::Edit(op) => {
1969 let buffer_to_edit = this
1970 .update(cx, |this, cx| {
1971 this.open_local_buffer_via_lsp(
1972 op.text_document.uri,
1973 language_name.clone(),
1974 language_server.clone(),
1975 cx,
1976 )
1977 })
1978 .await?;
1979
1980 let edits = buffer_to_edit
1981 .update(cx, |buffer, cx| {
1982 let edits = op.edits.into_iter().map(|edit| match edit {
1983 lsp::OneOf::Left(edit) => edit,
1984 lsp::OneOf::Right(edit) => edit.text_edit,
1985 });
1986 buffer.edits_from_lsp(edits, op.text_document.version, cx)
1987 })
1988 .await?;
1989
1990 let transaction = buffer_to_edit.update(cx, |buffer, cx| {
1991 buffer.finalize_last_transaction();
1992 buffer.start_transaction();
1993 for (range, text) in edits {
1994 buffer.edit([range], text, cx);
1995 }
1996 let transaction = if buffer.end_transaction(cx).is_some() {
1997 let transaction = buffer.finalize_last_transaction().unwrap().clone();
1998 if !push_to_history {
1999 buffer.forget_transaction(transaction.id);
2000 }
2001 Some(transaction)
2002 } else {
2003 None
2004 };
2005
2006 transaction
2007 });
2008 if let Some(transaction) = transaction {
2009 project_transaction.0.insert(buffer_to_edit, transaction);
2010 }
2011 }
2012 }
2013 }
2014
2015 Ok(project_transaction)
2016 }
2017
2018 pub fn prepare_rename<T: ToPointUtf16>(
2019 &self,
2020 buffer: ModelHandle<Buffer>,
2021 position: T,
2022 cx: &mut ModelContext<Self>,
2023 ) -> Task<Result<Option<Range<Anchor>>>> {
2024 let position = position.to_point_utf16(buffer.read(cx));
2025 self.request_lsp(buffer, PrepareRename { position }, cx)
2026 }
2027
2028 pub fn perform_rename<T: ToPointUtf16>(
2029 &self,
2030 buffer: ModelHandle<Buffer>,
2031 position: T,
2032 new_name: String,
2033 push_to_history: bool,
2034 cx: &mut ModelContext<Self>,
2035 ) -> Task<Result<ProjectTransaction>> {
2036 let position = position.to_point_utf16(buffer.read(cx));
2037 self.request_lsp(
2038 buffer,
2039 PerformRename {
2040 position,
2041 new_name,
2042 push_to_history,
2043 },
2044 cx,
2045 )
2046 }
2047
2048 pub fn search(
2049 &self,
2050 query: SearchQuery,
2051 cx: &mut ModelContext<Self>,
2052 ) -> Task<HashMap<ModelHandle<Buffer>, Vec<Range<Anchor>>>> {
2053 if self.is_local() {
2054 let snapshots = self
2055 .strong_worktrees(cx)
2056 .filter_map(|tree| {
2057 let tree = tree.read(cx).as_local()?;
2058 Some(tree.snapshot())
2059 })
2060 .collect::<Vec<_>>();
2061
2062 let background = cx.background().clone();
2063 let path_count: usize = snapshots.iter().map(|s| s.visible_file_count()).sum();
2064 let workers = background.num_cpus().min(path_count);
2065 let (matching_paths_tx, mut matching_paths_rx) = smol::channel::bounded(1024);
2066 cx.background()
2067 .spawn({
2068 let fs = self.fs.clone();
2069 let background = cx.background().clone();
2070 let query = query.clone();
2071 async move {
2072 let fs = &fs;
2073 let query = &query;
2074 let matching_paths_tx = &matching_paths_tx;
2075 let paths_per_worker = (path_count + workers - 1) / workers;
2076 let snapshots = &snapshots;
2077 background
2078 .scoped(|scope| {
2079 for worker_ix in 0..workers {
2080 let worker_start_ix = worker_ix * paths_per_worker;
2081 let worker_end_ix = worker_start_ix + paths_per_worker;
2082 scope.spawn(async move {
2083 let mut snapshot_start_ix = 0;
2084 let mut abs_path = PathBuf::new();
2085 for snapshot in snapshots {
2086 let snapshot_end_ix =
2087 snapshot_start_ix + snapshot.visible_file_count();
2088 if worker_end_ix <= snapshot_start_ix {
2089 break;
2090 } else if worker_start_ix > snapshot_end_ix {
2091 snapshot_start_ix = snapshot_end_ix;
2092 continue;
2093 } else {
2094 let start_in_snapshot = worker_start_ix
2095 .saturating_sub(snapshot_start_ix);
2096 let end_in_snapshot =
2097 cmp::min(worker_end_ix, snapshot_end_ix)
2098 - snapshot_start_ix;
2099
2100 for entry in snapshot
2101 .files(false, start_in_snapshot)
2102 .take(end_in_snapshot - start_in_snapshot)
2103 {
2104 if matching_paths_tx.is_closed() {
2105 break;
2106 }
2107
2108 abs_path.clear();
2109 abs_path.push(&snapshot.abs_path());
2110 abs_path.push(&entry.path);
2111 let matches = if let Some(file) =
2112 fs.open_sync(&abs_path).await.log_err()
2113 {
2114 query.detect(file).unwrap_or(false)
2115 } else {
2116 false
2117 };
2118
2119 if matches {
2120 let project_path =
2121 (snapshot.id(), entry.path.clone());
2122 if matching_paths_tx
2123 .send(project_path)
2124 .await
2125 .is_err()
2126 {
2127 break;
2128 }
2129 }
2130 }
2131
2132 snapshot_start_ix = snapshot_end_ix;
2133 }
2134 }
2135 });
2136 }
2137 })
2138 .await;
2139 }
2140 })
2141 .detach();
2142
2143 let (buffers_tx, buffers_rx) = smol::channel::bounded(1024);
2144 let open_buffers = self
2145 .buffers_state
2146 .borrow()
2147 .open_buffers
2148 .values()
2149 .filter_map(|b| b.upgrade(cx))
2150 .collect::<HashSet<_>>();
2151 cx.spawn(|this, mut cx| async move {
2152 for buffer in &open_buffers {
2153 let snapshot = buffer.read_with(&cx, |buffer, _| buffer.snapshot());
2154 buffers_tx.send((buffer.clone(), snapshot)).await?;
2155 }
2156
2157 while let Some(project_path) = matching_paths_rx.next().await {
2158 if let Some(buffer) = this
2159 .update(&mut cx, |this, cx| this.open_buffer(project_path, cx))
2160 .await
2161 .log_err()
2162 {
2163 if !open_buffers.contains(&buffer) {
2164 let snapshot = buffer.read_with(&cx, |buffer, _| buffer.snapshot());
2165 buffers_tx.send((buffer, snapshot)).await?;
2166 }
2167 }
2168 }
2169
2170 Ok::<_, anyhow::Error>(())
2171 })
2172 .detach_and_log_err(cx);
2173
2174 let background = cx.background().clone();
2175 cx.background().spawn(async move {
2176 let query = &query;
2177 let mut matched_buffers = Vec::new();
2178 for _ in 0..workers {
2179 matched_buffers.push(HashMap::default());
2180 }
2181 background
2182 .scoped(|scope| {
2183 for worker_matched_buffers in matched_buffers.iter_mut() {
2184 let mut buffers_rx = buffers_rx.clone();
2185 scope.spawn(async move {
2186 while let Some((buffer, snapshot)) = buffers_rx.next().await {
2187 let buffer_matches = query
2188 .search(snapshot.as_rope())
2189 .await
2190 .iter()
2191 .map(|range| {
2192 snapshot.anchor_before(range.start)
2193 ..snapshot.anchor_after(range.end)
2194 })
2195 .collect();
2196 worker_matched_buffers.insert(buffer.clone(), buffer_matches);
2197 }
2198 });
2199 }
2200 })
2201 .await;
2202 matched_buffers.into_iter().flatten().collect()
2203 })
2204 } else {
2205 todo!()
2206 }
2207 }
2208
2209 fn request_lsp<R: LspCommand>(
2210 &self,
2211 buffer_handle: ModelHandle<Buffer>,
2212 request: R,
2213 cx: &mut ModelContext<Self>,
2214 ) -> Task<Result<R::Response>>
2215 where
2216 <R::LspRequest as lsp::request::Request>::Result: Send,
2217 {
2218 let buffer = buffer_handle.read(cx);
2219 if self.is_local() {
2220 let file = File::from_dyn(buffer.file()).and_then(File::as_local);
2221 if let Some((file, language_server)) = file.zip(buffer.language_server().cloned()) {
2222 let lsp_params = request.to_lsp(&file.abs_path(cx), cx);
2223 return cx.spawn(|this, cx| async move {
2224 let response = language_server
2225 .request::<R::LspRequest>(lsp_params)
2226 .await
2227 .context("lsp request failed")?;
2228 request
2229 .response_from_lsp(response, this, buffer_handle, cx)
2230 .await
2231 });
2232 }
2233 } else if let Some(project_id) = self.remote_id() {
2234 let rpc = self.client.clone();
2235 let request_handle = self.start_buffer_request(cx);
2236 let message = request.to_proto(project_id, buffer);
2237 return cx.spawn(|this, cx| async move {
2238 let response = rpc.request(message).await?;
2239 request
2240 .response_from_proto(response, this, buffer_handle, request_handle, cx)
2241 .await
2242 });
2243 }
2244 Task::ready(Ok(Default::default()))
2245 }
2246
2247 pub fn find_or_create_local_worktree(
2248 &self,
2249 abs_path: impl AsRef<Path>,
2250 weak: bool,
2251 cx: &mut ModelContext<Self>,
2252 ) -> Task<Result<(ModelHandle<Worktree>, PathBuf)>> {
2253 let abs_path = abs_path.as_ref();
2254 if let Some((tree, relative_path)) = self.find_local_worktree(abs_path, cx) {
2255 Task::ready(Ok((tree.clone(), relative_path.into())))
2256 } else {
2257 let worktree = self.create_local_worktree(abs_path, weak, cx);
2258 cx.foreground()
2259 .spawn(async move { Ok((worktree.await?, PathBuf::new())) })
2260 }
2261 }
2262
2263 pub fn find_local_worktree(
2264 &self,
2265 abs_path: &Path,
2266 cx: &AppContext,
2267 ) -> Option<(ModelHandle<Worktree>, PathBuf)> {
2268 for tree in self.worktrees(cx) {
2269 if let Some(relative_path) = tree
2270 .read(cx)
2271 .as_local()
2272 .and_then(|t| abs_path.strip_prefix(t.abs_path()).ok())
2273 {
2274 return Some((tree.clone(), relative_path.into()));
2275 }
2276 }
2277 None
2278 }
2279
2280 pub fn is_shared(&self) -> bool {
2281 match &self.client_state {
2282 ProjectClientState::Local { is_shared, .. } => *is_shared,
2283 ProjectClientState::Remote { .. } => false,
2284 }
2285 }
2286
2287 fn create_local_worktree(
2288 &self,
2289 abs_path: impl AsRef<Path>,
2290 weak: bool,
2291 cx: &mut ModelContext<Self>,
2292 ) -> Task<Result<ModelHandle<Worktree>>> {
2293 let fs = self.fs.clone();
2294 let client = self.client.clone();
2295 let path = Arc::from(abs_path.as_ref());
2296 cx.spawn(|project, mut cx| async move {
2297 let worktree = Worktree::local(client.clone(), path, weak, fs, &mut cx).await?;
2298
2299 let (remote_project_id, is_shared) = project.update(&mut cx, |project, cx| {
2300 project.add_worktree(&worktree, cx);
2301 (project.remote_id(), project.is_shared())
2302 });
2303
2304 if let Some(project_id) = remote_project_id {
2305 worktree
2306 .update(&mut cx, |worktree, cx| {
2307 worktree.as_local_mut().unwrap().register(project_id, cx)
2308 })
2309 .await?;
2310 if is_shared {
2311 worktree
2312 .update(&mut cx, |worktree, cx| {
2313 worktree.as_local_mut().unwrap().share(project_id, cx)
2314 })
2315 .await?;
2316 }
2317 }
2318
2319 Ok(worktree)
2320 })
2321 }
2322
2323 pub fn remove_worktree(&mut self, id: WorktreeId, cx: &mut ModelContext<Self>) {
2324 self.worktrees.retain(|worktree| {
2325 worktree
2326 .upgrade(cx)
2327 .map_or(false, |w| w.read(cx).id() != id)
2328 });
2329 cx.notify();
2330 }
2331
2332 fn add_worktree(&mut self, worktree: &ModelHandle<Worktree>, cx: &mut ModelContext<Self>) {
2333 cx.observe(&worktree, |_, _, cx| cx.notify()).detach();
2334 if worktree.read(cx).is_local() {
2335 cx.subscribe(&worktree, |this, worktree, _, cx| {
2336 this.update_local_worktree_buffers(worktree, cx);
2337 })
2338 .detach();
2339 }
2340
2341 let push_weak_handle = {
2342 let worktree = worktree.read(cx);
2343 worktree.is_local() && worktree.is_weak()
2344 };
2345 if push_weak_handle {
2346 cx.observe_release(&worktree, |this, cx| {
2347 this.worktrees
2348 .retain(|worktree| worktree.upgrade(cx).is_some());
2349 cx.notify();
2350 })
2351 .detach();
2352 self.worktrees
2353 .push(WorktreeHandle::Weak(worktree.downgrade()));
2354 } else {
2355 self.worktrees
2356 .push(WorktreeHandle::Strong(worktree.clone()));
2357 }
2358 cx.notify();
2359 }
2360
2361 fn update_local_worktree_buffers(
2362 &mut self,
2363 worktree_handle: ModelHandle<Worktree>,
2364 cx: &mut ModelContext<Self>,
2365 ) {
2366 let snapshot = worktree_handle.read(cx).snapshot();
2367 let mut buffers_to_delete = Vec::new();
2368 for (buffer_id, buffer) in &self.buffers_state.borrow().open_buffers {
2369 if let Some(buffer) = buffer.upgrade(cx) {
2370 buffer.update(cx, |buffer, cx| {
2371 if let Some(old_file) = File::from_dyn(buffer.file()) {
2372 if old_file.worktree != worktree_handle {
2373 return;
2374 }
2375
2376 let new_file = if let Some(entry) = old_file
2377 .entry_id
2378 .and_then(|entry_id| snapshot.entry_for_id(entry_id))
2379 {
2380 File {
2381 is_local: true,
2382 entry_id: Some(entry.id),
2383 mtime: entry.mtime,
2384 path: entry.path.clone(),
2385 worktree: worktree_handle.clone(),
2386 }
2387 } else if let Some(entry) =
2388 snapshot.entry_for_path(old_file.path().as_ref())
2389 {
2390 File {
2391 is_local: true,
2392 entry_id: Some(entry.id),
2393 mtime: entry.mtime,
2394 path: entry.path.clone(),
2395 worktree: worktree_handle.clone(),
2396 }
2397 } else {
2398 File {
2399 is_local: true,
2400 entry_id: None,
2401 path: old_file.path().clone(),
2402 mtime: old_file.mtime(),
2403 worktree: worktree_handle.clone(),
2404 }
2405 };
2406
2407 if let Some(project_id) = self.remote_id() {
2408 self.client
2409 .send(proto::UpdateBufferFile {
2410 project_id,
2411 buffer_id: *buffer_id as u64,
2412 file: Some(new_file.to_proto()),
2413 })
2414 .log_err();
2415 }
2416 buffer.file_updated(Box::new(new_file), cx).detach();
2417 }
2418 });
2419 } else {
2420 buffers_to_delete.push(*buffer_id);
2421 }
2422 }
2423
2424 for buffer_id in buffers_to_delete {
2425 self.buffers_state
2426 .borrow_mut()
2427 .open_buffers
2428 .remove(&buffer_id);
2429 }
2430 }
2431
2432 pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut ModelContext<Self>) {
2433 let new_active_entry = entry.and_then(|project_path| {
2434 let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
2435 let entry = worktree.read(cx).entry_for_path(project_path.path)?;
2436 Some(ProjectEntry {
2437 worktree_id: project_path.worktree_id,
2438 entry_id: entry.id,
2439 })
2440 });
2441 if new_active_entry != self.active_entry {
2442 self.active_entry = new_active_entry;
2443 cx.emit(Event::ActiveEntryChanged(new_active_entry));
2444 }
2445 }
2446
2447 pub fn is_running_disk_based_diagnostics(&self) -> bool {
2448 self.language_servers_with_diagnostics_running > 0
2449 }
2450
2451 pub fn diagnostic_summary(&self, cx: &AppContext) -> DiagnosticSummary {
2452 let mut summary = DiagnosticSummary::default();
2453 for (_, path_summary) in self.diagnostic_summaries(cx) {
2454 summary.error_count += path_summary.error_count;
2455 summary.warning_count += path_summary.warning_count;
2456 summary.info_count += path_summary.info_count;
2457 summary.hint_count += path_summary.hint_count;
2458 }
2459 summary
2460 }
2461
2462 pub fn diagnostic_summaries<'a>(
2463 &'a self,
2464 cx: &'a AppContext,
2465 ) -> impl Iterator<Item = (ProjectPath, DiagnosticSummary)> + 'a {
2466 self.worktrees(cx).flat_map(move |worktree| {
2467 let worktree = worktree.read(cx);
2468 let worktree_id = worktree.id();
2469 worktree
2470 .diagnostic_summaries()
2471 .map(move |(path, summary)| (ProjectPath { worktree_id, path }, summary))
2472 })
2473 }
2474
2475 pub fn disk_based_diagnostics_started(&mut self, cx: &mut ModelContext<Self>) {
2476 self.language_servers_with_diagnostics_running += 1;
2477 if self.language_servers_with_diagnostics_running == 1 {
2478 cx.emit(Event::DiskBasedDiagnosticsStarted);
2479 }
2480 }
2481
2482 pub fn disk_based_diagnostics_finished(&mut self, cx: &mut ModelContext<Self>) {
2483 cx.emit(Event::DiskBasedDiagnosticsUpdated);
2484 self.language_servers_with_diagnostics_running -= 1;
2485 if self.language_servers_with_diagnostics_running == 0 {
2486 cx.emit(Event::DiskBasedDiagnosticsFinished);
2487 }
2488 }
2489
2490 pub fn active_entry(&self) -> Option<ProjectEntry> {
2491 self.active_entry
2492 }
2493
2494 // RPC message handlers
2495
2496 async fn handle_unshare_project(
2497 this: ModelHandle<Self>,
2498 _: TypedEnvelope<proto::UnshareProject>,
2499 _: Arc<Client>,
2500 mut cx: AsyncAppContext,
2501 ) -> Result<()> {
2502 this.update(&mut cx, |this, cx| {
2503 if let ProjectClientState::Remote {
2504 sharing_has_stopped,
2505 ..
2506 } = &mut this.client_state
2507 {
2508 *sharing_has_stopped = true;
2509 this.collaborators.clear();
2510 cx.notify();
2511 } else {
2512 unreachable!()
2513 }
2514 });
2515
2516 Ok(())
2517 }
2518
2519 async fn handle_add_collaborator(
2520 this: ModelHandle<Self>,
2521 mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
2522 _: Arc<Client>,
2523 mut cx: AsyncAppContext,
2524 ) -> Result<()> {
2525 let user_store = this.read_with(&cx, |this, _| this.user_store.clone());
2526 let collaborator = envelope
2527 .payload
2528 .collaborator
2529 .take()
2530 .ok_or_else(|| anyhow!("empty collaborator"))?;
2531
2532 let collaborator = Collaborator::from_proto(collaborator, &user_store, &mut cx).await?;
2533 this.update(&mut cx, |this, cx| {
2534 this.collaborators
2535 .insert(collaborator.peer_id, collaborator);
2536 cx.notify();
2537 });
2538
2539 Ok(())
2540 }
2541
2542 async fn handle_remove_collaborator(
2543 this: ModelHandle<Self>,
2544 envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
2545 _: Arc<Client>,
2546 mut cx: AsyncAppContext,
2547 ) -> Result<()> {
2548 this.update(&mut cx, |this, cx| {
2549 let peer_id = PeerId(envelope.payload.peer_id);
2550 let replica_id = this
2551 .collaborators
2552 .remove(&peer_id)
2553 .ok_or_else(|| anyhow!("unknown peer {:?}", peer_id))?
2554 .replica_id;
2555 this.shared_buffers.remove(&peer_id);
2556 for (_, buffer) in &this.buffers_state.borrow().open_buffers {
2557 if let Some(buffer) = buffer.upgrade(cx) {
2558 buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
2559 }
2560 }
2561 cx.notify();
2562 Ok(())
2563 })
2564 }
2565
2566 async fn handle_register_worktree(
2567 this: ModelHandle<Self>,
2568 envelope: TypedEnvelope<proto::RegisterWorktree>,
2569 client: Arc<Client>,
2570 mut cx: AsyncAppContext,
2571 ) -> Result<()> {
2572 this.update(&mut cx, |this, cx| {
2573 let remote_id = this.remote_id().ok_or_else(|| anyhow!("invalid project"))?;
2574 let replica_id = this.replica_id();
2575 let worktree = proto::Worktree {
2576 id: envelope.payload.worktree_id,
2577 root_name: envelope.payload.root_name,
2578 entries: Default::default(),
2579 diagnostic_summaries: Default::default(),
2580 weak: envelope.payload.weak,
2581 };
2582 let (worktree, load_task) =
2583 Worktree::remote(remote_id, replica_id, worktree, client, cx);
2584 this.add_worktree(&worktree, cx);
2585 load_task.detach();
2586 Ok(())
2587 })
2588 }
2589
2590 async fn handle_unregister_worktree(
2591 this: ModelHandle<Self>,
2592 envelope: TypedEnvelope<proto::UnregisterWorktree>,
2593 _: Arc<Client>,
2594 mut cx: AsyncAppContext,
2595 ) -> Result<()> {
2596 this.update(&mut cx, |this, cx| {
2597 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
2598 this.remove_worktree(worktree_id, cx);
2599 Ok(())
2600 })
2601 }
2602
2603 async fn handle_update_worktree(
2604 this: ModelHandle<Self>,
2605 envelope: TypedEnvelope<proto::UpdateWorktree>,
2606 _: Arc<Client>,
2607 mut cx: AsyncAppContext,
2608 ) -> Result<()> {
2609 this.update(&mut cx, |this, cx| {
2610 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
2611 if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
2612 worktree.update(cx, |worktree, _| {
2613 let worktree = worktree.as_remote_mut().unwrap();
2614 worktree.update_from_remote(envelope)
2615 })?;
2616 }
2617 Ok(())
2618 })
2619 }
2620
2621 async fn handle_update_diagnostic_summary(
2622 this: ModelHandle<Self>,
2623 envelope: TypedEnvelope<proto::UpdateDiagnosticSummary>,
2624 _: Arc<Client>,
2625 mut cx: AsyncAppContext,
2626 ) -> Result<()> {
2627 this.update(&mut cx, |this, cx| {
2628 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
2629 if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
2630 if let Some(summary) = envelope.payload.summary {
2631 let project_path = ProjectPath {
2632 worktree_id,
2633 path: Path::new(&summary.path).into(),
2634 };
2635 worktree.update(cx, |worktree, _| {
2636 worktree
2637 .as_remote_mut()
2638 .unwrap()
2639 .update_diagnostic_summary(project_path.path.clone(), &summary);
2640 });
2641 cx.emit(Event::DiagnosticsUpdated(project_path));
2642 }
2643 }
2644 Ok(())
2645 })
2646 }
2647
2648 async fn handle_disk_based_diagnostics_updating(
2649 this: ModelHandle<Self>,
2650 _: TypedEnvelope<proto::DiskBasedDiagnosticsUpdating>,
2651 _: Arc<Client>,
2652 mut cx: AsyncAppContext,
2653 ) -> Result<()> {
2654 this.update(&mut cx, |this, cx| this.disk_based_diagnostics_started(cx));
2655 Ok(())
2656 }
2657
2658 async fn handle_disk_based_diagnostics_updated(
2659 this: ModelHandle<Self>,
2660 _: TypedEnvelope<proto::DiskBasedDiagnosticsUpdated>,
2661 _: Arc<Client>,
2662 mut cx: AsyncAppContext,
2663 ) -> Result<()> {
2664 this.update(&mut cx, |this, cx| this.disk_based_diagnostics_finished(cx));
2665 Ok(())
2666 }
2667
2668 async fn handle_update_buffer(
2669 this: ModelHandle<Self>,
2670 envelope: TypedEnvelope<proto::UpdateBuffer>,
2671 _: Arc<Client>,
2672 mut cx: AsyncAppContext,
2673 ) -> Result<()> {
2674 this.update(&mut cx, |this, cx| {
2675 let payload = envelope.payload.clone();
2676 let buffer_id = payload.buffer_id;
2677 let ops = payload
2678 .operations
2679 .into_iter()
2680 .map(|op| language::proto::deserialize_operation(op))
2681 .collect::<Result<Vec<_>, _>>()?;
2682 let is_remote = this.is_remote();
2683 let mut buffers_state = this.buffers_state.borrow_mut();
2684 let buffer_request_count = buffers_state.buffer_request_count;
2685 match buffers_state.open_buffers.entry(buffer_id) {
2686 hash_map::Entry::Occupied(mut e) => match e.get_mut() {
2687 OpenBuffer::Loaded(buffer) => {
2688 if let Some(buffer) = buffer.upgrade(cx) {
2689 buffer.update(cx, |buffer, cx| buffer.apply_ops(ops, cx))?;
2690 } else if is_remote && buffer_request_count > 0 {
2691 e.insert(OpenBuffer::Loading(ops));
2692 }
2693 }
2694 OpenBuffer::Loading(operations) => operations.extend_from_slice(&ops),
2695 },
2696 hash_map::Entry::Vacant(e) => {
2697 if is_remote && buffer_request_count > 0 {
2698 e.insert(OpenBuffer::Loading(ops));
2699 }
2700 }
2701 }
2702 Ok(())
2703 })
2704 }
2705
2706 async fn handle_update_buffer_file(
2707 this: ModelHandle<Self>,
2708 envelope: TypedEnvelope<proto::UpdateBufferFile>,
2709 _: Arc<Client>,
2710 mut cx: AsyncAppContext,
2711 ) -> Result<()> {
2712 this.update(&mut cx, |this, cx| {
2713 let payload = envelope.payload.clone();
2714 let buffer_id = payload.buffer_id;
2715 let file = payload.file.ok_or_else(|| anyhow!("invalid file"))?;
2716 let worktree = this
2717 .worktree_for_id(WorktreeId::from_proto(file.worktree_id), cx)
2718 .ok_or_else(|| anyhow!("no such worktree"))?;
2719 let file = File::from_proto(file, worktree.clone(), cx)?;
2720 let buffer = this
2721 .buffers_state
2722 .borrow_mut()
2723 .open_buffers
2724 .get_mut(&buffer_id)
2725 .and_then(|b| b.upgrade(cx))
2726 .ok_or_else(|| anyhow!("no such buffer"))?;
2727 buffer.update(cx, |buffer, cx| {
2728 buffer.file_updated(Box::new(file), cx).detach();
2729 });
2730 Ok(())
2731 })
2732 }
2733
2734 async fn handle_save_buffer(
2735 this: ModelHandle<Self>,
2736 envelope: TypedEnvelope<proto::SaveBuffer>,
2737 _: Arc<Client>,
2738 mut cx: AsyncAppContext,
2739 ) -> Result<proto::BufferSaved> {
2740 let buffer_id = envelope.payload.buffer_id;
2741 let sender_id = envelope.original_sender_id()?;
2742 let requested_version = envelope.payload.version.try_into()?;
2743
2744 let (project_id, buffer) = this.update(&mut cx, |this, _| {
2745 let project_id = this.remote_id().ok_or_else(|| anyhow!("not connected"))?;
2746 let buffer = this
2747 .shared_buffers
2748 .get(&sender_id)
2749 .and_then(|shared_buffers| shared_buffers.get(&buffer_id).cloned())
2750 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))?;
2751 Ok::<_, anyhow::Error>((project_id, buffer))
2752 })?;
2753
2754 if !buffer
2755 .read_with(&cx, |buffer, _| buffer.version())
2756 .observed_all(&requested_version)
2757 {
2758 Err(anyhow!("save request depends on unreceived edits"))?;
2759 }
2760
2761 let (saved_version, mtime) = buffer.update(&mut cx, |buffer, cx| buffer.save(cx)).await?;
2762 Ok(proto::BufferSaved {
2763 project_id,
2764 buffer_id,
2765 version: (&saved_version).into(),
2766 mtime: Some(mtime.into()),
2767 })
2768 }
2769
2770 async fn handle_format_buffers(
2771 this: ModelHandle<Self>,
2772 envelope: TypedEnvelope<proto::FormatBuffers>,
2773 _: Arc<Client>,
2774 mut cx: AsyncAppContext,
2775 ) -> Result<proto::FormatBuffersResponse> {
2776 let sender_id = envelope.original_sender_id()?;
2777 let format = this.update(&mut cx, |this, cx| {
2778 let shared_buffers = this
2779 .shared_buffers
2780 .get(&sender_id)
2781 .ok_or_else(|| anyhow!("peer has no buffers"))?;
2782 let mut buffers = HashSet::default();
2783 for buffer_id in &envelope.payload.buffer_ids {
2784 buffers.insert(
2785 shared_buffers
2786 .get(buffer_id)
2787 .cloned()
2788 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))?,
2789 );
2790 }
2791 Ok::<_, anyhow::Error>(this.format(buffers, false, cx))
2792 })?;
2793
2794 let project_transaction = format.await?;
2795 let project_transaction = this.update(&mut cx, |this, cx| {
2796 this.serialize_project_transaction_for_peer(project_transaction, sender_id, cx)
2797 });
2798 Ok(proto::FormatBuffersResponse {
2799 transaction: Some(project_transaction),
2800 })
2801 }
2802
2803 async fn handle_get_completions(
2804 this: ModelHandle<Self>,
2805 envelope: TypedEnvelope<proto::GetCompletions>,
2806 _: Arc<Client>,
2807 mut cx: AsyncAppContext,
2808 ) -> Result<proto::GetCompletionsResponse> {
2809 let sender_id = envelope.original_sender_id()?;
2810 let position = envelope
2811 .payload
2812 .position
2813 .and_then(language::proto::deserialize_anchor)
2814 .ok_or_else(|| anyhow!("invalid position"))?;
2815 let version = clock::Global::from(envelope.payload.version);
2816 let buffer = this.read_with(&cx, |this, _| {
2817 this.shared_buffers
2818 .get(&sender_id)
2819 .and_then(|shared_buffers| shared_buffers.get(&envelope.payload.buffer_id).cloned())
2820 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))
2821 })?;
2822 if !buffer
2823 .read_with(&cx, |buffer, _| buffer.version())
2824 .observed_all(&version)
2825 {
2826 Err(anyhow!("completion request depends on unreceived edits"))?;
2827 }
2828 let version = buffer.read_with(&cx, |buffer, _| buffer.version());
2829 let completions = this
2830 .update(&mut cx, |this, cx| this.completions(&buffer, position, cx))
2831 .await?;
2832
2833 Ok(proto::GetCompletionsResponse {
2834 completions: completions
2835 .iter()
2836 .map(language::proto::serialize_completion)
2837 .collect(),
2838 version: (&version).into(),
2839 })
2840 }
2841
2842 async fn handle_apply_additional_edits_for_completion(
2843 this: ModelHandle<Self>,
2844 envelope: TypedEnvelope<proto::ApplyCompletionAdditionalEdits>,
2845 _: Arc<Client>,
2846 mut cx: AsyncAppContext,
2847 ) -> Result<proto::ApplyCompletionAdditionalEditsResponse> {
2848 let sender_id = envelope.original_sender_id()?;
2849 let apply_additional_edits = this.update(&mut cx, |this, cx| {
2850 let buffer = this
2851 .shared_buffers
2852 .get(&sender_id)
2853 .and_then(|shared_buffers| shared_buffers.get(&envelope.payload.buffer_id).cloned())
2854 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
2855 let language = buffer.read(cx).language();
2856 let completion = language::proto::deserialize_completion(
2857 envelope
2858 .payload
2859 .completion
2860 .ok_or_else(|| anyhow!("invalid completion"))?,
2861 language,
2862 )?;
2863 Ok::<_, anyhow::Error>(
2864 this.apply_additional_edits_for_completion(buffer, completion, false, cx),
2865 )
2866 })?;
2867
2868 Ok(proto::ApplyCompletionAdditionalEditsResponse {
2869 transaction: apply_additional_edits
2870 .await?
2871 .as_ref()
2872 .map(language::proto::serialize_transaction),
2873 })
2874 }
2875
2876 async fn handle_get_code_actions(
2877 this: ModelHandle<Self>,
2878 envelope: TypedEnvelope<proto::GetCodeActions>,
2879 _: Arc<Client>,
2880 mut cx: AsyncAppContext,
2881 ) -> Result<proto::GetCodeActionsResponse> {
2882 let sender_id = envelope.original_sender_id()?;
2883 let start = envelope
2884 .payload
2885 .start
2886 .and_then(language::proto::deserialize_anchor)
2887 .ok_or_else(|| anyhow!("invalid start"))?;
2888 let end = envelope
2889 .payload
2890 .end
2891 .and_then(language::proto::deserialize_anchor)
2892 .ok_or_else(|| anyhow!("invalid end"))?;
2893 let buffer = this.update(&mut cx, |this, _| {
2894 this.shared_buffers
2895 .get(&sender_id)
2896 .and_then(|shared_buffers| shared_buffers.get(&envelope.payload.buffer_id).cloned())
2897 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))
2898 })?;
2899 let version = buffer.read_with(&cx, |buffer, _| buffer.version());
2900 if !version.observed(start.timestamp) || !version.observed(end.timestamp) {
2901 Err(anyhow!("code action request references unreceived edits"))?;
2902 }
2903 let code_actions = this.update(&mut cx, |this, cx| {
2904 Ok::<_, anyhow::Error>(this.code_actions(&buffer, start..end, cx))
2905 })?;
2906
2907 Ok(proto::GetCodeActionsResponse {
2908 actions: code_actions
2909 .await?
2910 .iter()
2911 .map(language::proto::serialize_code_action)
2912 .collect(),
2913 version: (&version).into(),
2914 })
2915 }
2916
2917 async fn handle_apply_code_action(
2918 this: ModelHandle<Self>,
2919 envelope: TypedEnvelope<proto::ApplyCodeAction>,
2920 _: Arc<Client>,
2921 mut cx: AsyncAppContext,
2922 ) -> Result<proto::ApplyCodeActionResponse> {
2923 let sender_id = envelope.original_sender_id()?;
2924 let action = language::proto::deserialize_code_action(
2925 envelope
2926 .payload
2927 .action
2928 .ok_or_else(|| anyhow!("invalid action"))?,
2929 )?;
2930 let apply_code_action = this.update(&mut cx, |this, cx| {
2931 let buffer = this
2932 .shared_buffers
2933 .get(&sender_id)
2934 .and_then(|shared_buffers| shared_buffers.get(&envelope.payload.buffer_id).cloned())
2935 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
2936 Ok::<_, anyhow::Error>(this.apply_code_action(buffer, action, false, cx))
2937 })?;
2938
2939 let project_transaction = apply_code_action.await?;
2940 let project_transaction = this.update(&mut cx, |this, cx| {
2941 this.serialize_project_transaction_for_peer(project_transaction, sender_id, cx)
2942 });
2943 Ok(proto::ApplyCodeActionResponse {
2944 transaction: Some(project_transaction),
2945 })
2946 }
2947
2948 async fn handle_lsp_command<T: LspCommand>(
2949 this: ModelHandle<Self>,
2950 envelope: TypedEnvelope<T::ProtoRequest>,
2951 _: Arc<Client>,
2952 mut cx: AsyncAppContext,
2953 ) -> Result<<T::ProtoRequest as proto::RequestMessage>::Response>
2954 where
2955 <T::LspRequest as lsp::request::Request>::Result: Send,
2956 {
2957 let sender_id = envelope.original_sender_id()?;
2958 let (request, buffer_version) = this.update(&mut cx, |this, cx| {
2959 let buffer_id = T::buffer_id_from_proto(&envelope.payload);
2960 let buffer_handle = this
2961 .shared_buffers
2962 .get(&sender_id)
2963 .and_then(|shared_buffers| shared_buffers.get(&buffer_id).cloned())
2964 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))?;
2965 let buffer = buffer_handle.read(cx);
2966 let buffer_version = buffer.version();
2967 let request = T::from_proto(envelope.payload, this, buffer)?;
2968 Ok::<_, anyhow::Error>((this.request_lsp(buffer_handle, request, cx), buffer_version))
2969 })?;
2970 let response = request.await?;
2971 this.update(&mut cx, |this, cx| {
2972 Ok(T::response_to_proto(
2973 response,
2974 this,
2975 sender_id,
2976 &buffer_version,
2977 cx,
2978 ))
2979 })
2980 }
2981
2982 async fn handle_get_project_symbols(
2983 this: ModelHandle<Self>,
2984 envelope: TypedEnvelope<proto::GetProjectSymbols>,
2985 _: Arc<Client>,
2986 mut cx: AsyncAppContext,
2987 ) -> Result<proto::GetProjectSymbolsResponse> {
2988 let symbols = this
2989 .update(&mut cx, |this, cx| {
2990 this.symbols(&envelope.payload.query, cx)
2991 })
2992 .await?;
2993
2994 Ok(proto::GetProjectSymbolsResponse {
2995 symbols: symbols.iter().map(serialize_symbol).collect(),
2996 })
2997 }
2998
2999 async fn handle_open_buffer_for_symbol(
3000 this: ModelHandle<Self>,
3001 envelope: TypedEnvelope<proto::OpenBufferForSymbol>,
3002 _: Arc<Client>,
3003 mut cx: AsyncAppContext,
3004 ) -> Result<proto::OpenBufferForSymbolResponse> {
3005 let peer_id = envelope.original_sender_id()?;
3006 let symbol = envelope
3007 .payload
3008 .symbol
3009 .ok_or_else(|| anyhow!("invalid symbol"))?;
3010 let symbol = this.read_with(&cx, |this, _| {
3011 let symbol = this.deserialize_symbol(symbol)?;
3012 let signature = this.symbol_signature(symbol.worktree_id, &symbol.path);
3013 if signature == symbol.signature {
3014 Ok(symbol)
3015 } else {
3016 Err(anyhow!("invalid symbol signature"))
3017 }
3018 })?;
3019 let buffer = this
3020 .update(&mut cx, |this, cx| this.open_buffer_for_symbol(&symbol, cx))
3021 .await?;
3022
3023 Ok(proto::OpenBufferForSymbolResponse {
3024 buffer: Some(this.update(&mut cx, |this, cx| {
3025 this.serialize_buffer_for_peer(&buffer, peer_id, cx)
3026 })),
3027 })
3028 }
3029
3030 fn symbol_signature(&self, worktree_id: WorktreeId, path: &Path) -> [u8; 32] {
3031 let mut hasher = Sha256::new();
3032 hasher.update(worktree_id.to_proto().to_be_bytes());
3033 hasher.update(path.to_string_lossy().as_bytes());
3034 hasher.update(self.nonce.to_be_bytes());
3035 hasher.finalize().as_slice().try_into().unwrap()
3036 }
3037
3038 async fn handle_open_buffer(
3039 this: ModelHandle<Self>,
3040 envelope: TypedEnvelope<proto::OpenBuffer>,
3041 _: Arc<Client>,
3042 mut cx: AsyncAppContext,
3043 ) -> Result<proto::OpenBufferResponse> {
3044 let peer_id = envelope.original_sender_id()?;
3045 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
3046 let open_buffer = this.update(&mut cx, |this, cx| {
3047 this.open_buffer(
3048 ProjectPath {
3049 worktree_id,
3050 path: PathBuf::from(envelope.payload.path).into(),
3051 },
3052 cx,
3053 )
3054 });
3055
3056 let buffer = open_buffer.await?;
3057 this.update(&mut cx, |this, cx| {
3058 Ok(proto::OpenBufferResponse {
3059 buffer: Some(this.serialize_buffer_for_peer(&buffer, peer_id, cx)),
3060 })
3061 })
3062 }
3063
3064 fn serialize_project_transaction_for_peer(
3065 &mut self,
3066 project_transaction: ProjectTransaction,
3067 peer_id: PeerId,
3068 cx: &AppContext,
3069 ) -> proto::ProjectTransaction {
3070 let mut serialized_transaction = proto::ProjectTransaction {
3071 buffers: Default::default(),
3072 transactions: Default::default(),
3073 };
3074 for (buffer, transaction) in project_transaction.0 {
3075 serialized_transaction
3076 .buffers
3077 .push(self.serialize_buffer_for_peer(&buffer, peer_id, cx));
3078 serialized_transaction
3079 .transactions
3080 .push(language::proto::serialize_transaction(&transaction));
3081 }
3082 serialized_transaction
3083 }
3084
3085 fn deserialize_project_transaction(
3086 &mut self,
3087 message: proto::ProjectTransaction,
3088 push_to_history: bool,
3089 request_handle: BufferRequestHandle,
3090 cx: &mut ModelContext<Self>,
3091 ) -> Task<Result<ProjectTransaction>> {
3092 cx.spawn(|this, mut cx| async move {
3093 let mut project_transaction = ProjectTransaction::default();
3094 for (buffer, transaction) in message.buffers.into_iter().zip(message.transactions) {
3095 let buffer = this
3096 .update(&mut cx, |this, cx| {
3097 this.deserialize_buffer(buffer, request_handle.clone(), cx)
3098 })
3099 .await?;
3100 let transaction = language::proto::deserialize_transaction(transaction)?;
3101 project_transaction.0.insert(buffer, transaction);
3102 }
3103
3104 for (buffer, transaction) in &project_transaction.0 {
3105 buffer
3106 .update(&mut cx, |buffer, _| {
3107 buffer.wait_for_edits(transaction.edit_ids.iter().copied())
3108 })
3109 .await;
3110
3111 if push_to_history {
3112 buffer.update(&mut cx, |buffer, _| {
3113 buffer.push_transaction(transaction.clone(), Instant::now());
3114 });
3115 }
3116 }
3117
3118 Ok(project_transaction)
3119 })
3120 }
3121
3122 fn serialize_buffer_for_peer(
3123 &mut self,
3124 buffer: &ModelHandle<Buffer>,
3125 peer_id: PeerId,
3126 cx: &AppContext,
3127 ) -> proto::Buffer {
3128 let buffer_id = buffer.read(cx).remote_id();
3129 let shared_buffers = self.shared_buffers.entry(peer_id).or_default();
3130 match shared_buffers.entry(buffer_id) {
3131 hash_map::Entry::Occupied(_) => proto::Buffer {
3132 variant: Some(proto::buffer::Variant::Id(buffer_id)),
3133 },
3134 hash_map::Entry::Vacant(entry) => {
3135 entry.insert(buffer.clone());
3136 proto::Buffer {
3137 variant: Some(proto::buffer::Variant::State(buffer.read(cx).to_proto())),
3138 }
3139 }
3140 }
3141 }
3142
3143 fn deserialize_buffer(
3144 &mut self,
3145 buffer: proto::Buffer,
3146 request_handle: BufferRequestHandle,
3147 cx: &mut ModelContext<Self>,
3148 ) -> Task<Result<ModelHandle<Buffer>>> {
3149 let replica_id = self.replica_id();
3150
3151 let mut opened_buffer_tx = self.opened_buffer.clone();
3152 let mut opened_buffer_rx = self.opened_buffer.subscribe();
3153 cx.spawn(|this, mut cx| async move {
3154 match buffer.variant.ok_or_else(|| anyhow!("missing buffer"))? {
3155 proto::buffer::Variant::Id(id) => {
3156 let buffer = loop {
3157 let buffer = this.read_with(&cx, |this, cx| {
3158 this.buffers_state
3159 .borrow()
3160 .open_buffers
3161 .get(&id)
3162 .and_then(|buffer| buffer.upgrade(cx))
3163 });
3164 if let Some(buffer) = buffer {
3165 break buffer;
3166 }
3167 opened_buffer_rx
3168 .recv()
3169 .await
3170 .ok_or_else(|| anyhow!("project dropped while waiting for buffer"))?;
3171 };
3172 Ok(buffer)
3173 }
3174 proto::buffer::Variant::State(mut buffer) => {
3175 let mut buffer_worktree = None;
3176 let mut buffer_file = None;
3177 if let Some(file) = buffer.file.take() {
3178 this.read_with(&cx, |this, cx| {
3179 let worktree_id = WorktreeId::from_proto(file.worktree_id);
3180 let worktree =
3181 this.worktree_for_id(worktree_id, cx).ok_or_else(|| {
3182 anyhow!("no worktree found for id {}", file.worktree_id)
3183 })?;
3184 buffer_file =
3185 Some(Box::new(File::from_proto(file, worktree.clone(), cx)?)
3186 as Box<dyn language::File>);
3187 buffer_worktree = Some(worktree);
3188 Ok::<_, anyhow::Error>(())
3189 })?;
3190 }
3191
3192 let buffer = cx.add_model(|cx| {
3193 Buffer::from_proto(replica_id, buffer, buffer_file, cx).unwrap()
3194 });
3195
3196 request_handle.preserve_buffer(buffer.clone());
3197 this.update(&mut cx, |this, cx| {
3198 this.register_buffer(&buffer, buffer_worktree.as_ref(), cx)
3199 })?;
3200
3201 let _ = opened_buffer_tx.send(()).await;
3202 Ok(buffer)
3203 }
3204 }
3205 })
3206 }
3207
3208 fn deserialize_symbol(&self, serialized_symbol: proto::Symbol) -> Result<Symbol> {
3209 let language = self
3210 .languages
3211 .get_language(&serialized_symbol.language_name);
3212 let start = serialized_symbol
3213 .start
3214 .ok_or_else(|| anyhow!("invalid start"))?;
3215 let end = serialized_symbol
3216 .end
3217 .ok_or_else(|| anyhow!("invalid end"))?;
3218 let kind = unsafe { mem::transmute(serialized_symbol.kind) };
3219 Ok(Symbol {
3220 source_worktree_id: WorktreeId::from_proto(serialized_symbol.source_worktree_id),
3221 worktree_id: WorktreeId::from_proto(serialized_symbol.worktree_id),
3222 language_name: serialized_symbol.language_name.clone(),
3223 label: language
3224 .and_then(|language| language.label_for_symbol(&serialized_symbol.name, kind))
3225 .unwrap_or_else(|| CodeLabel::plain(serialized_symbol.name.clone(), None)),
3226 name: serialized_symbol.name,
3227 path: PathBuf::from(serialized_symbol.path),
3228 range: PointUtf16::new(start.row, start.column)..PointUtf16::new(end.row, end.column),
3229 kind,
3230 signature: serialized_symbol
3231 .signature
3232 .try_into()
3233 .map_err(|_| anyhow!("invalid signature"))?,
3234 })
3235 }
3236
3237 async fn handle_close_buffer(
3238 this: ModelHandle<Self>,
3239 envelope: TypedEnvelope<proto::CloseBuffer>,
3240 _: Arc<Client>,
3241 mut cx: AsyncAppContext,
3242 ) -> Result<()> {
3243 this.update(&mut cx, |this, cx| {
3244 if let Some(shared_buffers) =
3245 this.shared_buffers.get_mut(&envelope.original_sender_id()?)
3246 {
3247 shared_buffers.remove(&envelope.payload.buffer_id);
3248 cx.notify();
3249 }
3250 Ok(())
3251 })
3252 }
3253
3254 async fn handle_buffer_saved(
3255 this: ModelHandle<Self>,
3256 envelope: TypedEnvelope<proto::BufferSaved>,
3257 _: Arc<Client>,
3258 mut cx: AsyncAppContext,
3259 ) -> Result<()> {
3260 let version = envelope.payload.version.try_into()?;
3261 let mtime = envelope
3262 .payload
3263 .mtime
3264 .ok_or_else(|| anyhow!("missing mtime"))?
3265 .into();
3266
3267 this.update(&mut cx, |this, cx| {
3268 let buffer = this
3269 .buffers_state
3270 .borrow()
3271 .open_buffers
3272 .get(&envelope.payload.buffer_id)
3273 .and_then(|buffer| buffer.upgrade(cx));
3274 if let Some(buffer) = buffer {
3275 buffer.update(cx, |buffer, cx| {
3276 buffer.did_save(version, mtime, None, cx);
3277 });
3278 }
3279 Ok(())
3280 })
3281 }
3282
3283 async fn handle_buffer_reloaded(
3284 this: ModelHandle<Self>,
3285 envelope: TypedEnvelope<proto::BufferReloaded>,
3286 _: Arc<Client>,
3287 mut cx: AsyncAppContext,
3288 ) -> Result<()> {
3289 let payload = envelope.payload.clone();
3290 let version = payload.version.try_into()?;
3291 let mtime = payload
3292 .mtime
3293 .ok_or_else(|| anyhow!("missing mtime"))?
3294 .into();
3295 this.update(&mut cx, |this, cx| {
3296 let buffer = this
3297 .buffers_state
3298 .borrow()
3299 .open_buffers
3300 .get(&payload.buffer_id)
3301 .and_then(|buffer| buffer.upgrade(cx));
3302 if let Some(buffer) = buffer {
3303 buffer.update(cx, |buffer, cx| {
3304 buffer.did_reload(version, mtime, cx);
3305 });
3306 }
3307 Ok(())
3308 })
3309 }
3310
3311 pub fn match_paths<'a>(
3312 &self,
3313 query: &'a str,
3314 include_ignored: bool,
3315 smart_case: bool,
3316 max_results: usize,
3317 cancel_flag: &'a AtomicBool,
3318 cx: &AppContext,
3319 ) -> impl 'a + Future<Output = Vec<PathMatch>> {
3320 let worktrees = self
3321 .worktrees(cx)
3322 .filter(|worktree| !worktree.read(cx).is_weak())
3323 .collect::<Vec<_>>();
3324 let include_root_name = worktrees.len() > 1;
3325 let candidate_sets = worktrees
3326 .into_iter()
3327 .map(|worktree| CandidateSet {
3328 snapshot: worktree.read(cx).snapshot(),
3329 include_ignored,
3330 include_root_name,
3331 })
3332 .collect::<Vec<_>>();
3333
3334 let background = cx.background().clone();
3335 async move {
3336 fuzzy::match_paths(
3337 candidate_sets.as_slice(),
3338 query,
3339 smart_case,
3340 max_results,
3341 cancel_flag,
3342 background,
3343 )
3344 .await
3345 }
3346 }
3347}
3348
3349impl BufferRequestHandle {
3350 fn new(state: Rc<RefCell<ProjectBuffers>>, cx: &AppContext) -> Self {
3351 {
3352 let state = &mut *state.borrow_mut();
3353 state.buffer_request_count += 1;
3354 if state.buffer_request_count == 1 {
3355 state.preserved_buffers.extend(
3356 state
3357 .open_buffers
3358 .values()
3359 .filter_map(|buffer| buffer.upgrade(cx)),
3360 )
3361 }
3362 }
3363 Self(state)
3364 }
3365
3366 fn preserve_buffer(&self, buffer: ModelHandle<Buffer>) {
3367 self.0.borrow_mut().preserved_buffers.push(buffer);
3368 }
3369}
3370
3371impl Clone for BufferRequestHandle {
3372 fn clone(&self) -> Self {
3373 self.0.borrow_mut().buffer_request_count += 1;
3374 Self(self.0.clone())
3375 }
3376}
3377
3378impl Drop for BufferRequestHandle {
3379 fn drop(&mut self) {
3380 let mut state = self.0.borrow_mut();
3381 state.buffer_request_count -= 1;
3382 if state.buffer_request_count == 0 {
3383 state.preserved_buffers.clear();
3384 state
3385 .open_buffers
3386 .retain(|_, buffer| matches!(buffer, OpenBuffer::Loaded(_)))
3387 }
3388 }
3389}
3390
3391impl WorktreeHandle {
3392 pub fn upgrade(&self, cx: &AppContext) -> Option<ModelHandle<Worktree>> {
3393 match self {
3394 WorktreeHandle::Strong(handle) => Some(handle.clone()),
3395 WorktreeHandle::Weak(handle) => handle.upgrade(cx),
3396 }
3397 }
3398}
3399
3400impl OpenBuffer {
3401 pub fn upgrade(&self, cx: &impl UpgradeModelHandle) -> Option<ModelHandle<Buffer>> {
3402 match self {
3403 OpenBuffer::Loaded(handle) => handle.upgrade(cx),
3404 OpenBuffer::Loading(_) => None,
3405 }
3406 }
3407}
3408
3409struct CandidateSet {
3410 snapshot: Snapshot,
3411 include_ignored: bool,
3412 include_root_name: bool,
3413}
3414
3415impl<'a> PathMatchCandidateSet<'a> for CandidateSet {
3416 type Candidates = CandidateSetIter<'a>;
3417
3418 fn id(&self) -> usize {
3419 self.snapshot.id().to_usize()
3420 }
3421
3422 fn len(&self) -> usize {
3423 if self.include_ignored {
3424 self.snapshot.file_count()
3425 } else {
3426 self.snapshot.visible_file_count()
3427 }
3428 }
3429
3430 fn prefix(&self) -> Arc<str> {
3431 if self.snapshot.root_entry().map_or(false, |e| e.is_file()) {
3432 self.snapshot.root_name().into()
3433 } else if self.include_root_name {
3434 format!("{}/", self.snapshot.root_name()).into()
3435 } else {
3436 "".into()
3437 }
3438 }
3439
3440 fn candidates(&'a self, start: usize) -> Self::Candidates {
3441 CandidateSetIter {
3442 traversal: self.snapshot.files(self.include_ignored, start),
3443 }
3444 }
3445}
3446
3447struct CandidateSetIter<'a> {
3448 traversal: Traversal<'a>,
3449}
3450
3451impl<'a> Iterator for CandidateSetIter<'a> {
3452 type Item = PathMatchCandidate<'a>;
3453
3454 fn next(&mut self) -> Option<Self::Item> {
3455 self.traversal.next().map(|entry| {
3456 if let EntryKind::File(char_bag) = entry.kind {
3457 PathMatchCandidate {
3458 path: &entry.path,
3459 char_bag,
3460 }
3461 } else {
3462 unreachable!()
3463 }
3464 })
3465 }
3466}
3467
3468impl Entity for Project {
3469 type Event = Event;
3470
3471 fn release(&mut self, _: &mut gpui::MutableAppContext) {
3472 match &self.client_state {
3473 ProjectClientState::Local { remote_id_rx, .. } => {
3474 if let Some(project_id) = *remote_id_rx.borrow() {
3475 self.client
3476 .send(proto::UnregisterProject { project_id })
3477 .log_err();
3478 }
3479 }
3480 ProjectClientState::Remote { remote_id, .. } => {
3481 self.client
3482 .send(proto::LeaveProject {
3483 project_id: *remote_id,
3484 })
3485 .log_err();
3486 }
3487 }
3488 }
3489
3490 fn app_will_quit(
3491 &mut self,
3492 _: &mut MutableAppContext,
3493 ) -> Option<std::pin::Pin<Box<dyn 'static + Future<Output = ()>>>> {
3494 let shutdown_futures = self
3495 .language_servers
3496 .drain()
3497 .filter_map(|(_, server)| server.shutdown())
3498 .collect::<Vec<_>>();
3499 Some(
3500 async move {
3501 futures::future::join_all(shutdown_futures).await;
3502 }
3503 .boxed(),
3504 )
3505 }
3506}
3507
3508impl Collaborator {
3509 fn from_proto(
3510 message: proto::Collaborator,
3511 user_store: &ModelHandle<UserStore>,
3512 cx: &mut AsyncAppContext,
3513 ) -> impl Future<Output = Result<Self>> {
3514 let user = user_store.update(cx, |user_store, cx| {
3515 user_store.fetch_user(message.user_id, cx)
3516 });
3517
3518 async move {
3519 Ok(Self {
3520 peer_id: PeerId(message.peer_id),
3521 user: user.await?,
3522 replica_id: message.replica_id as ReplicaId,
3523 })
3524 }
3525 }
3526}
3527
3528impl<P: AsRef<Path>> From<(WorktreeId, P)> for ProjectPath {
3529 fn from((worktree_id, path): (WorktreeId, P)) -> Self {
3530 Self {
3531 worktree_id,
3532 path: path.as_ref().into(),
3533 }
3534 }
3535}
3536
3537impl From<lsp::CreateFileOptions> for fs::CreateOptions {
3538 fn from(options: lsp::CreateFileOptions) -> Self {
3539 Self {
3540 overwrite: options.overwrite.unwrap_or(false),
3541 ignore_if_exists: options.ignore_if_exists.unwrap_or(false),
3542 }
3543 }
3544}
3545
3546impl From<lsp::RenameFileOptions> for fs::RenameOptions {
3547 fn from(options: lsp::RenameFileOptions) -> Self {
3548 Self {
3549 overwrite: options.overwrite.unwrap_or(false),
3550 ignore_if_exists: options.ignore_if_exists.unwrap_or(false),
3551 }
3552 }
3553}
3554
3555impl From<lsp::DeleteFileOptions> for fs::RemoveOptions {
3556 fn from(options: lsp::DeleteFileOptions) -> Self {
3557 Self {
3558 recursive: options.recursive.unwrap_or(false),
3559 ignore_if_not_exists: options.ignore_if_not_exists.unwrap_or(false),
3560 }
3561 }
3562}
3563
3564fn serialize_symbol(symbol: &Symbol) -> proto::Symbol {
3565 proto::Symbol {
3566 source_worktree_id: symbol.source_worktree_id.to_proto(),
3567 worktree_id: symbol.worktree_id.to_proto(),
3568 language_name: symbol.language_name.clone(),
3569 name: symbol.name.clone(),
3570 kind: unsafe { mem::transmute(symbol.kind) },
3571 path: symbol.path.to_string_lossy().to_string(),
3572 start: Some(proto::Point {
3573 row: symbol.range.start.row,
3574 column: symbol.range.start.column,
3575 }),
3576 end: Some(proto::Point {
3577 row: symbol.range.end.row,
3578 column: symbol.range.end.column,
3579 }),
3580 signature: symbol.signature.to_vec(),
3581 }
3582}
3583
3584fn relativize_path(base: &Path, path: &Path) -> PathBuf {
3585 let mut path_components = path.components();
3586 let mut base_components = base.components();
3587 let mut components: Vec<Component> = Vec::new();
3588 loop {
3589 match (path_components.next(), base_components.next()) {
3590 (None, None) => break,
3591 (Some(a), None) => {
3592 components.push(a);
3593 components.extend(path_components.by_ref());
3594 break;
3595 }
3596 (None, _) => components.push(Component::ParentDir),
3597 (Some(a), Some(b)) if components.is_empty() && a == b => (),
3598 (Some(a), Some(b)) if b == Component::CurDir => components.push(a),
3599 (Some(a), Some(_)) => {
3600 components.push(Component::ParentDir);
3601 for _ in base_components {
3602 components.push(Component::ParentDir);
3603 }
3604 components.push(a);
3605 components.extend(path_components.by_ref());
3606 break;
3607 }
3608 }
3609 }
3610 components.iter().map(|c| c.as_os_str()).collect()
3611}
3612
3613#[cfg(test)]
3614mod tests {
3615 use super::{Event, *};
3616 use fs::RealFs;
3617 use futures::StreamExt;
3618 use gpui::test::subscribe;
3619 use language::{
3620 tree_sitter_rust, AnchorRangeExt, Diagnostic, LanguageConfig, LanguageServerConfig, Point,
3621 };
3622 use lsp::Url;
3623 use serde_json::json;
3624 use std::{cell::RefCell, os::unix, path::PathBuf, rc::Rc};
3625 use unindent::Unindent as _;
3626 use util::test::temp_tree;
3627 use worktree::WorktreeHandle as _;
3628
3629 #[gpui::test]
3630 async fn test_populate_and_search(mut cx: gpui::TestAppContext) {
3631 let dir = temp_tree(json!({
3632 "root": {
3633 "apple": "",
3634 "banana": {
3635 "carrot": {
3636 "date": "",
3637 "endive": "",
3638 }
3639 },
3640 "fennel": {
3641 "grape": "",
3642 }
3643 }
3644 }));
3645
3646 let root_link_path = dir.path().join("root_link");
3647 unix::fs::symlink(&dir.path().join("root"), &root_link_path).unwrap();
3648 unix::fs::symlink(
3649 &dir.path().join("root/fennel"),
3650 &dir.path().join("root/finnochio"),
3651 )
3652 .unwrap();
3653
3654 let project = Project::test(Arc::new(RealFs), &mut cx);
3655
3656 let (tree, _) = project
3657 .update(&mut cx, |project, cx| {
3658 project.find_or_create_local_worktree(&root_link_path, false, cx)
3659 })
3660 .await
3661 .unwrap();
3662
3663 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3664 .await;
3665 cx.read(|cx| {
3666 let tree = tree.read(cx);
3667 assert_eq!(tree.file_count(), 5);
3668 assert_eq!(
3669 tree.inode_for_path("fennel/grape"),
3670 tree.inode_for_path("finnochio/grape")
3671 );
3672 });
3673
3674 let cancel_flag = Default::default();
3675 let results = project
3676 .read_with(&cx, |project, cx| {
3677 project.match_paths("bna", false, false, 10, &cancel_flag, cx)
3678 })
3679 .await;
3680 assert_eq!(
3681 results
3682 .into_iter()
3683 .map(|result| result.path)
3684 .collect::<Vec<Arc<Path>>>(),
3685 vec![
3686 PathBuf::from("banana/carrot/date").into(),
3687 PathBuf::from("banana/carrot/endive").into(),
3688 ]
3689 );
3690 }
3691
3692 #[gpui::test]
3693 async fn test_language_server_diagnostics(mut cx: gpui::TestAppContext) {
3694 let (language_server_config, mut fake_servers) = LanguageServerConfig::fake();
3695 let progress_token = language_server_config
3696 .disk_based_diagnostics_progress_token
3697 .clone()
3698 .unwrap();
3699
3700 let language = Arc::new(Language::new(
3701 LanguageConfig {
3702 name: "Rust".into(),
3703 path_suffixes: vec!["rs".to_string()],
3704 language_server: Some(language_server_config),
3705 ..Default::default()
3706 },
3707 Some(tree_sitter_rust::language()),
3708 ));
3709
3710 let fs = FakeFs::new(cx.background());
3711 fs.insert_tree(
3712 "/dir",
3713 json!({
3714 "a.rs": "fn a() { A }",
3715 "b.rs": "const y: i32 = 1",
3716 }),
3717 )
3718 .await;
3719
3720 let project = Project::test(fs, &mut cx);
3721 project.update(&mut cx, |project, _| {
3722 Arc::get_mut(&mut project.languages).unwrap().add(language);
3723 });
3724
3725 let (tree, _) = project
3726 .update(&mut cx, |project, cx| {
3727 project.find_or_create_local_worktree("/dir", false, cx)
3728 })
3729 .await
3730 .unwrap();
3731 let worktree_id = tree.read_with(&cx, |tree, _| tree.id());
3732
3733 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3734 .await;
3735
3736 // Cause worktree to start the fake language server
3737 let _buffer = project
3738 .update(&mut cx, |project, cx| {
3739 project.open_buffer((worktree_id, Path::new("b.rs")), cx)
3740 })
3741 .await
3742 .unwrap();
3743
3744 let mut events = subscribe(&project, &mut cx);
3745
3746 let mut fake_server = fake_servers.next().await.unwrap();
3747 fake_server.start_progress(&progress_token).await;
3748 assert_eq!(
3749 events.next().await.unwrap(),
3750 Event::DiskBasedDiagnosticsStarted
3751 );
3752
3753 fake_server.start_progress(&progress_token).await;
3754 fake_server.end_progress(&progress_token).await;
3755 fake_server.start_progress(&progress_token).await;
3756
3757 fake_server
3758 .notify::<lsp::notification::PublishDiagnostics>(lsp::PublishDiagnosticsParams {
3759 uri: Url::from_file_path("/dir/a.rs").unwrap(),
3760 version: None,
3761 diagnostics: vec![lsp::Diagnostic {
3762 range: lsp::Range::new(lsp::Position::new(0, 9), lsp::Position::new(0, 10)),
3763 severity: Some(lsp::DiagnosticSeverity::ERROR),
3764 message: "undefined variable 'A'".to_string(),
3765 ..Default::default()
3766 }],
3767 })
3768 .await;
3769 assert_eq!(
3770 events.next().await.unwrap(),
3771 Event::DiagnosticsUpdated((worktree_id, Path::new("a.rs")).into())
3772 );
3773
3774 fake_server.end_progress(&progress_token).await;
3775 fake_server.end_progress(&progress_token).await;
3776 assert_eq!(
3777 events.next().await.unwrap(),
3778 Event::DiskBasedDiagnosticsUpdated
3779 );
3780 assert_eq!(
3781 events.next().await.unwrap(),
3782 Event::DiskBasedDiagnosticsFinished
3783 );
3784
3785 let buffer = project
3786 .update(&mut cx, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx))
3787 .await
3788 .unwrap();
3789
3790 buffer.read_with(&cx, |buffer, _| {
3791 let snapshot = buffer.snapshot();
3792 let diagnostics = snapshot
3793 .diagnostics_in_range::<_, Point>(0..buffer.len())
3794 .collect::<Vec<_>>();
3795 assert_eq!(
3796 diagnostics,
3797 &[DiagnosticEntry {
3798 range: Point::new(0, 9)..Point::new(0, 10),
3799 diagnostic: Diagnostic {
3800 severity: lsp::DiagnosticSeverity::ERROR,
3801 message: "undefined variable 'A'".to_string(),
3802 group_id: 0,
3803 is_primary: true,
3804 ..Default::default()
3805 }
3806 }]
3807 )
3808 });
3809 }
3810
3811 #[gpui::test]
3812 async fn test_search_worktree_without_files(mut cx: gpui::TestAppContext) {
3813 let dir = temp_tree(json!({
3814 "root": {
3815 "dir1": {},
3816 "dir2": {
3817 "dir3": {}
3818 }
3819 }
3820 }));
3821
3822 let project = Project::test(Arc::new(RealFs), &mut cx);
3823 let (tree, _) = project
3824 .update(&mut cx, |project, cx| {
3825 project.find_or_create_local_worktree(&dir.path(), false, cx)
3826 })
3827 .await
3828 .unwrap();
3829
3830 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3831 .await;
3832
3833 let cancel_flag = Default::default();
3834 let results = project
3835 .read_with(&cx, |project, cx| {
3836 project.match_paths("dir", false, false, 10, &cancel_flag, cx)
3837 })
3838 .await;
3839
3840 assert!(results.is_empty());
3841 }
3842
3843 #[gpui::test]
3844 async fn test_definition(mut cx: gpui::TestAppContext) {
3845 let (language_server_config, mut fake_servers) = LanguageServerConfig::fake();
3846 let language = Arc::new(Language::new(
3847 LanguageConfig {
3848 name: "Rust".into(),
3849 path_suffixes: vec!["rs".to_string()],
3850 language_server: Some(language_server_config),
3851 ..Default::default()
3852 },
3853 Some(tree_sitter_rust::language()),
3854 ));
3855
3856 let fs = FakeFs::new(cx.background());
3857 fs.insert_tree(
3858 "/dir",
3859 json!({
3860 "a.rs": "const fn a() { A }",
3861 "b.rs": "const y: i32 = crate::a()",
3862 }),
3863 )
3864 .await;
3865
3866 let project = Project::test(fs, &mut cx);
3867 project.update(&mut cx, |project, _| {
3868 Arc::get_mut(&mut project.languages).unwrap().add(language);
3869 });
3870
3871 let (tree, _) = project
3872 .update(&mut cx, |project, cx| {
3873 project.find_or_create_local_worktree("/dir/b.rs", false, cx)
3874 })
3875 .await
3876 .unwrap();
3877 let worktree_id = tree.read_with(&cx, |tree, _| tree.id());
3878 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3879 .await;
3880
3881 let buffer = project
3882 .update(&mut cx, |project, cx| {
3883 project.open_buffer(
3884 ProjectPath {
3885 worktree_id,
3886 path: Path::new("").into(),
3887 },
3888 cx,
3889 )
3890 })
3891 .await
3892 .unwrap();
3893
3894 let mut fake_server = fake_servers.next().await.unwrap();
3895 fake_server.handle_request::<lsp::request::GotoDefinition, _>(move |params, _| {
3896 let params = params.text_document_position_params;
3897 assert_eq!(
3898 params.text_document.uri.to_file_path().unwrap(),
3899 Path::new("/dir/b.rs"),
3900 );
3901 assert_eq!(params.position, lsp::Position::new(0, 22));
3902
3903 Some(lsp::GotoDefinitionResponse::Scalar(lsp::Location::new(
3904 lsp::Url::from_file_path("/dir/a.rs").unwrap(),
3905 lsp::Range::new(lsp::Position::new(0, 9), lsp::Position::new(0, 10)),
3906 )))
3907 });
3908
3909 let mut definitions = project
3910 .update(&mut cx, |project, cx| project.definition(&buffer, 22, cx))
3911 .await
3912 .unwrap();
3913
3914 assert_eq!(definitions.len(), 1);
3915 let definition = definitions.pop().unwrap();
3916 cx.update(|cx| {
3917 let target_buffer = definition.buffer.read(cx);
3918 assert_eq!(
3919 target_buffer
3920 .file()
3921 .unwrap()
3922 .as_local()
3923 .unwrap()
3924 .abs_path(cx),
3925 Path::new("/dir/a.rs"),
3926 );
3927 assert_eq!(definition.range.to_offset(target_buffer), 9..10);
3928 assert_eq!(
3929 list_worktrees(&project, cx),
3930 [("/dir/b.rs".as_ref(), false), ("/dir/a.rs".as_ref(), true)]
3931 );
3932
3933 drop(definition);
3934 });
3935 cx.read(|cx| {
3936 assert_eq!(
3937 list_worktrees(&project, cx),
3938 [("/dir/b.rs".as_ref(), false)]
3939 );
3940 });
3941
3942 fn list_worktrees<'a>(
3943 project: &'a ModelHandle<Project>,
3944 cx: &'a AppContext,
3945 ) -> Vec<(&'a Path, bool)> {
3946 project
3947 .read(cx)
3948 .worktrees(cx)
3949 .map(|worktree| {
3950 let worktree = worktree.read(cx);
3951 (
3952 worktree.as_local().unwrap().abs_path().as_ref(),
3953 worktree.is_weak(),
3954 )
3955 })
3956 .collect::<Vec<_>>()
3957 }
3958 }
3959
3960 #[gpui::test]
3961 async fn test_save_file(mut cx: gpui::TestAppContext) {
3962 let fs = FakeFs::new(cx.background());
3963 fs.insert_tree(
3964 "/dir",
3965 json!({
3966 "file1": "the old contents",
3967 }),
3968 )
3969 .await;
3970
3971 let project = Project::test(fs.clone(), &mut cx);
3972 let worktree_id = project
3973 .update(&mut cx, |p, cx| {
3974 p.find_or_create_local_worktree("/dir", false, cx)
3975 })
3976 .await
3977 .unwrap()
3978 .0
3979 .read_with(&cx, |tree, _| tree.id());
3980
3981 let buffer = project
3982 .update(&mut cx, |p, cx| p.open_buffer((worktree_id, "file1"), cx))
3983 .await
3984 .unwrap();
3985 buffer
3986 .update(&mut cx, |buffer, cx| {
3987 assert_eq!(buffer.text(), "the old contents");
3988 buffer.edit(Some(0..0), "a line of text.\n".repeat(10 * 1024), cx);
3989 buffer.save(cx)
3990 })
3991 .await
3992 .unwrap();
3993
3994 let new_text = fs.load(Path::new("/dir/file1")).await.unwrap();
3995 assert_eq!(new_text, buffer.read_with(&cx, |buffer, _| buffer.text()));
3996 }
3997
3998 #[gpui::test]
3999 async fn test_save_in_single_file_worktree(mut cx: gpui::TestAppContext) {
4000 let fs = FakeFs::new(cx.background());
4001 fs.insert_tree(
4002 "/dir",
4003 json!({
4004 "file1": "the old contents",
4005 }),
4006 )
4007 .await;
4008
4009 let project = Project::test(fs.clone(), &mut cx);
4010 let worktree_id = project
4011 .update(&mut cx, |p, cx| {
4012 p.find_or_create_local_worktree("/dir/file1", false, cx)
4013 })
4014 .await
4015 .unwrap()
4016 .0
4017 .read_with(&cx, |tree, _| tree.id());
4018
4019 let buffer = project
4020 .update(&mut cx, |p, cx| p.open_buffer((worktree_id, ""), cx))
4021 .await
4022 .unwrap();
4023 buffer
4024 .update(&mut cx, |buffer, cx| {
4025 buffer.edit(Some(0..0), "a line of text.\n".repeat(10 * 1024), cx);
4026 buffer.save(cx)
4027 })
4028 .await
4029 .unwrap();
4030
4031 let new_text = fs.load(Path::new("/dir/file1")).await.unwrap();
4032 assert_eq!(new_text, buffer.read_with(&cx, |buffer, _| buffer.text()));
4033 }
4034
4035 #[gpui::test(retries = 5)]
4036 async fn test_rescan_and_remote_updates(mut cx: gpui::TestAppContext) {
4037 let dir = temp_tree(json!({
4038 "a": {
4039 "file1": "",
4040 "file2": "",
4041 "file3": "",
4042 },
4043 "b": {
4044 "c": {
4045 "file4": "",
4046 "file5": "",
4047 }
4048 }
4049 }));
4050
4051 let project = Project::test(Arc::new(RealFs), &mut cx);
4052 let rpc = project.read_with(&cx, |p, _| p.client.clone());
4053
4054 let (tree, _) = project
4055 .update(&mut cx, |p, cx| {
4056 p.find_or_create_local_worktree(dir.path(), false, cx)
4057 })
4058 .await
4059 .unwrap();
4060 let worktree_id = tree.read_with(&cx, |tree, _| tree.id());
4061
4062 let buffer_for_path = |path: &'static str, cx: &mut gpui::TestAppContext| {
4063 let buffer = project.update(cx, |p, cx| p.open_buffer((worktree_id, path), cx));
4064 async move { buffer.await.unwrap() }
4065 };
4066 let id_for_path = |path: &'static str, cx: &gpui::TestAppContext| {
4067 tree.read_with(cx, |tree, _| {
4068 tree.entry_for_path(path)
4069 .expect(&format!("no entry for path {}", path))
4070 .id
4071 })
4072 };
4073
4074 let buffer2 = buffer_for_path("a/file2", &mut cx).await;
4075 let buffer3 = buffer_for_path("a/file3", &mut cx).await;
4076 let buffer4 = buffer_for_path("b/c/file4", &mut cx).await;
4077 let buffer5 = buffer_for_path("b/c/file5", &mut cx).await;
4078
4079 let file2_id = id_for_path("a/file2", &cx);
4080 let file3_id = id_for_path("a/file3", &cx);
4081 let file4_id = id_for_path("b/c/file4", &cx);
4082
4083 // Wait for the initial scan.
4084 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
4085 .await;
4086
4087 // Create a remote copy of this worktree.
4088 let initial_snapshot = tree.read_with(&cx, |tree, _| tree.as_local().unwrap().snapshot());
4089 let (remote, load_task) = cx.update(|cx| {
4090 Worktree::remote(
4091 1,
4092 1,
4093 initial_snapshot.to_proto(&Default::default(), Default::default()),
4094 rpc.clone(),
4095 cx,
4096 )
4097 });
4098 load_task.await;
4099
4100 cx.read(|cx| {
4101 assert!(!buffer2.read(cx).is_dirty());
4102 assert!(!buffer3.read(cx).is_dirty());
4103 assert!(!buffer4.read(cx).is_dirty());
4104 assert!(!buffer5.read(cx).is_dirty());
4105 });
4106
4107 // Rename and delete files and directories.
4108 tree.flush_fs_events(&cx).await;
4109 std::fs::rename(dir.path().join("a/file3"), dir.path().join("b/c/file3")).unwrap();
4110 std::fs::remove_file(dir.path().join("b/c/file5")).unwrap();
4111 std::fs::rename(dir.path().join("b/c"), dir.path().join("d")).unwrap();
4112 std::fs::rename(dir.path().join("a/file2"), dir.path().join("a/file2.new")).unwrap();
4113 tree.flush_fs_events(&cx).await;
4114
4115 let expected_paths = vec![
4116 "a",
4117 "a/file1",
4118 "a/file2.new",
4119 "b",
4120 "d",
4121 "d/file3",
4122 "d/file4",
4123 ];
4124
4125 cx.read(|app| {
4126 assert_eq!(
4127 tree.read(app)
4128 .paths()
4129 .map(|p| p.to_str().unwrap())
4130 .collect::<Vec<_>>(),
4131 expected_paths
4132 );
4133
4134 assert_eq!(id_for_path("a/file2.new", &cx), file2_id);
4135 assert_eq!(id_for_path("d/file3", &cx), file3_id);
4136 assert_eq!(id_for_path("d/file4", &cx), file4_id);
4137
4138 assert_eq!(
4139 buffer2.read(app).file().unwrap().path().as_ref(),
4140 Path::new("a/file2.new")
4141 );
4142 assert_eq!(
4143 buffer3.read(app).file().unwrap().path().as_ref(),
4144 Path::new("d/file3")
4145 );
4146 assert_eq!(
4147 buffer4.read(app).file().unwrap().path().as_ref(),
4148 Path::new("d/file4")
4149 );
4150 assert_eq!(
4151 buffer5.read(app).file().unwrap().path().as_ref(),
4152 Path::new("b/c/file5")
4153 );
4154
4155 assert!(!buffer2.read(app).file().unwrap().is_deleted());
4156 assert!(!buffer3.read(app).file().unwrap().is_deleted());
4157 assert!(!buffer4.read(app).file().unwrap().is_deleted());
4158 assert!(buffer5.read(app).file().unwrap().is_deleted());
4159 });
4160
4161 // Update the remote worktree. Check that it becomes consistent with the
4162 // local worktree.
4163 remote.update(&mut cx, |remote, cx| {
4164 let update_message = tree.read(cx).as_local().unwrap().snapshot().build_update(
4165 &initial_snapshot,
4166 1,
4167 1,
4168 true,
4169 );
4170 remote
4171 .as_remote_mut()
4172 .unwrap()
4173 .snapshot
4174 .apply_remote_update(update_message)
4175 .unwrap();
4176
4177 assert_eq!(
4178 remote
4179 .paths()
4180 .map(|p| p.to_str().unwrap())
4181 .collect::<Vec<_>>(),
4182 expected_paths
4183 );
4184 });
4185 }
4186
4187 #[gpui::test]
4188 async fn test_buffer_deduping(mut cx: gpui::TestAppContext) {
4189 let fs = FakeFs::new(cx.background());
4190 fs.insert_tree(
4191 "/the-dir",
4192 json!({
4193 "a.txt": "a-contents",
4194 "b.txt": "b-contents",
4195 }),
4196 )
4197 .await;
4198
4199 let project = Project::test(fs.clone(), &mut cx);
4200 let worktree_id = project
4201 .update(&mut cx, |p, cx| {
4202 p.find_or_create_local_worktree("/the-dir", false, cx)
4203 })
4204 .await
4205 .unwrap()
4206 .0
4207 .read_with(&cx, |tree, _| tree.id());
4208
4209 // Spawn multiple tasks to open paths, repeating some paths.
4210 let (buffer_a_1, buffer_b, buffer_a_2) = project.update(&mut cx, |p, cx| {
4211 (
4212 p.open_buffer((worktree_id, "a.txt"), cx),
4213 p.open_buffer((worktree_id, "b.txt"), cx),
4214 p.open_buffer((worktree_id, "a.txt"), cx),
4215 )
4216 });
4217
4218 let buffer_a_1 = buffer_a_1.await.unwrap();
4219 let buffer_a_2 = buffer_a_2.await.unwrap();
4220 let buffer_b = buffer_b.await.unwrap();
4221 assert_eq!(buffer_a_1.read_with(&cx, |b, _| b.text()), "a-contents");
4222 assert_eq!(buffer_b.read_with(&cx, |b, _| b.text()), "b-contents");
4223
4224 // There is only one buffer per path.
4225 let buffer_a_id = buffer_a_1.id();
4226 assert_eq!(buffer_a_2.id(), buffer_a_id);
4227
4228 // Open the same path again while it is still open.
4229 drop(buffer_a_1);
4230 let buffer_a_3 = project
4231 .update(&mut cx, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
4232 .await
4233 .unwrap();
4234
4235 // There's still only one buffer per path.
4236 assert_eq!(buffer_a_3.id(), buffer_a_id);
4237 }
4238
4239 #[gpui::test]
4240 async fn test_buffer_is_dirty(mut cx: gpui::TestAppContext) {
4241 use std::fs;
4242
4243 let dir = temp_tree(json!({
4244 "file1": "abc",
4245 "file2": "def",
4246 "file3": "ghi",
4247 }));
4248
4249 let project = Project::test(Arc::new(RealFs), &mut cx);
4250 let (worktree, _) = project
4251 .update(&mut cx, |p, cx| {
4252 p.find_or_create_local_worktree(dir.path(), false, cx)
4253 })
4254 .await
4255 .unwrap();
4256 let worktree_id = worktree.read_with(&cx, |worktree, _| worktree.id());
4257
4258 worktree.flush_fs_events(&cx).await;
4259 worktree
4260 .read_with(&cx, |t, _| t.as_local().unwrap().scan_complete())
4261 .await;
4262
4263 let buffer1 = project
4264 .update(&mut cx, |p, cx| p.open_buffer((worktree_id, "file1"), cx))
4265 .await
4266 .unwrap();
4267 let events = Rc::new(RefCell::new(Vec::new()));
4268
4269 // initially, the buffer isn't dirty.
4270 buffer1.update(&mut cx, |buffer, cx| {
4271 cx.subscribe(&buffer1, {
4272 let events = events.clone();
4273 move |_, _, event, _| events.borrow_mut().push(event.clone())
4274 })
4275 .detach();
4276
4277 assert!(!buffer.is_dirty());
4278 assert!(events.borrow().is_empty());
4279
4280 buffer.edit(vec![1..2], "", cx);
4281 });
4282
4283 // after the first edit, the buffer is dirty, and emits a dirtied event.
4284 buffer1.update(&mut cx, |buffer, cx| {
4285 assert!(buffer.text() == "ac");
4286 assert!(buffer.is_dirty());
4287 assert_eq!(
4288 *events.borrow(),
4289 &[language::Event::Edited, language::Event::Dirtied]
4290 );
4291 events.borrow_mut().clear();
4292 buffer.did_save(buffer.version(), buffer.file().unwrap().mtime(), None, cx);
4293 });
4294
4295 // after saving, the buffer is not dirty, and emits a saved event.
4296 buffer1.update(&mut cx, |buffer, cx| {
4297 assert!(!buffer.is_dirty());
4298 assert_eq!(*events.borrow(), &[language::Event::Saved]);
4299 events.borrow_mut().clear();
4300
4301 buffer.edit(vec![1..1], "B", cx);
4302 buffer.edit(vec![2..2], "D", cx);
4303 });
4304
4305 // after editing again, the buffer is dirty, and emits another dirty event.
4306 buffer1.update(&mut cx, |buffer, cx| {
4307 assert!(buffer.text() == "aBDc");
4308 assert!(buffer.is_dirty());
4309 assert_eq!(
4310 *events.borrow(),
4311 &[
4312 language::Event::Edited,
4313 language::Event::Dirtied,
4314 language::Event::Edited,
4315 ],
4316 );
4317 events.borrow_mut().clear();
4318
4319 // TODO - currently, after restoring the buffer to its
4320 // previously-saved state, the is still considered dirty.
4321 buffer.edit([1..3], "", cx);
4322 assert!(buffer.text() == "ac");
4323 assert!(buffer.is_dirty());
4324 });
4325
4326 assert_eq!(*events.borrow(), &[language::Event::Edited]);
4327
4328 // When a file is deleted, the buffer is considered dirty.
4329 let events = Rc::new(RefCell::new(Vec::new()));
4330 let buffer2 = project
4331 .update(&mut cx, |p, cx| p.open_buffer((worktree_id, "file2"), cx))
4332 .await
4333 .unwrap();
4334 buffer2.update(&mut cx, |_, cx| {
4335 cx.subscribe(&buffer2, {
4336 let events = events.clone();
4337 move |_, _, event, _| events.borrow_mut().push(event.clone())
4338 })
4339 .detach();
4340 });
4341
4342 fs::remove_file(dir.path().join("file2")).unwrap();
4343 buffer2.condition(&cx, |b, _| b.is_dirty()).await;
4344 assert_eq!(
4345 *events.borrow(),
4346 &[language::Event::Dirtied, language::Event::FileHandleChanged]
4347 );
4348
4349 // When a file is already dirty when deleted, we don't emit a Dirtied event.
4350 let events = Rc::new(RefCell::new(Vec::new()));
4351 let buffer3 = project
4352 .update(&mut cx, |p, cx| p.open_buffer((worktree_id, "file3"), cx))
4353 .await
4354 .unwrap();
4355 buffer3.update(&mut cx, |_, cx| {
4356 cx.subscribe(&buffer3, {
4357 let events = events.clone();
4358 move |_, _, event, _| events.borrow_mut().push(event.clone())
4359 })
4360 .detach();
4361 });
4362
4363 worktree.flush_fs_events(&cx).await;
4364 buffer3.update(&mut cx, |buffer, cx| {
4365 buffer.edit(Some(0..0), "x", cx);
4366 });
4367 events.borrow_mut().clear();
4368 fs::remove_file(dir.path().join("file3")).unwrap();
4369 buffer3
4370 .condition(&cx, |_, _| !events.borrow().is_empty())
4371 .await;
4372 assert_eq!(*events.borrow(), &[language::Event::FileHandleChanged]);
4373 cx.read(|cx| assert!(buffer3.read(cx).is_dirty()));
4374 }
4375
4376 #[gpui::test]
4377 async fn test_buffer_file_changes_on_disk(mut cx: gpui::TestAppContext) {
4378 use std::fs;
4379
4380 let initial_contents = "aaa\nbbbbb\nc\n";
4381 let dir = temp_tree(json!({ "the-file": initial_contents }));
4382
4383 let project = Project::test(Arc::new(RealFs), &mut cx);
4384 let (worktree, _) = project
4385 .update(&mut cx, |p, cx| {
4386 p.find_or_create_local_worktree(dir.path(), false, cx)
4387 })
4388 .await
4389 .unwrap();
4390 let worktree_id = worktree.read_with(&cx, |tree, _| tree.id());
4391
4392 worktree
4393 .read_with(&cx, |t, _| t.as_local().unwrap().scan_complete())
4394 .await;
4395
4396 let abs_path = dir.path().join("the-file");
4397 let buffer = project
4398 .update(&mut cx, |p, cx| {
4399 p.open_buffer((worktree_id, "the-file"), cx)
4400 })
4401 .await
4402 .unwrap();
4403
4404 // TODO
4405 // Add a cursor on each row.
4406 // let selection_set_id = buffer.update(&mut cx, |buffer, cx| {
4407 // assert!(!buffer.is_dirty());
4408 // buffer.add_selection_set(
4409 // &(0..3)
4410 // .map(|row| Selection {
4411 // id: row as usize,
4412 // start: Point::new(row, 1),
4413 // end: Point::new(row, 1),
4414 // reversed: false,
4415 // goal: SelectionGoal::None,
4416 // })
4417 // .collect::<Vec<_>>(),
4418 // cx,
4419 // )
4420 // });
4421
4422 // Change the file on disk, adding two new lines of text, and removing
4423 // one line.
4424 buffer.read_with(&cx, |buffer, _| {
4425 assert!(!buffer.is_dirty());
4426 assert!(!buffer.has_conflict());
4427 });
4428 let new_contents = "AAAA\naaa\nBB\nbbbbb\n";
4429 fs::write(&abs_path, new_contents).unwrap();
4430
4431 // Because the buffer was not modified, it is reloaded from disk. Its
4432 // contents are edited according to the diff between the old and new
4433 // file contents.
4434 buffer
4435 .condition(&cx, |buffer, _| buffer.text() == new_contents)
4436 .await;
4437
4438 buffer.update(&mut cx, |buffer, _| {
4439 assert_eq!(buffer.text(), new_contents);
4440 assert!(!buffer.is_dirty());
4441 assert!(!buffer.has_conflict());
4442
4443 // TODO
4444 // let cursor_positions = buffer
4445 // .selection_set(selection_set_id)
4446 // .unwrap()
4447 // .selections::<Point>(&*buffer)
4448 // .map(|selection| {
4449 // assert_eq!(selection.start, selection.end);
4450 // selection.start
4451 // })
4452 // .collect::<Vec<_>>();
4453 // assert_eq!(
4454 // cursor_positions,
4455 // [Point::new(1, 1), Point::new(3, 1), Point::new(4, 0)]
4456 // );
4457 });
4458
4459 // Modify the buffer
4460 buffer.update(&mut cx, |buffer, cx| {
4461 buffer.edit(vec![0..0], " ", cx);
4462 assert!(buffer.is_dirty());
4463 assert!(!buffer.has_conflict());
4464 });
4465
4466 // Change the file on disk again, adding blank lines to the beginning.
4467 fs::write(&abs_path, "\n\n\nAAAA\naaa\nBB\nbbbbb\n").unwrap();
4468
4469 // Because the buffer is modified, it doesn't reload from disk, but is
4470 // marked as having a conflict.
4471 buffer
4472 .condition(&cx, |buffer, _| buffer.has_conflict())
4473 .await;
4474 }
4475
4476 #[gpui::test]
4477 async fn test_grouped_diagnostics(mut cx: gpui::TestAppContext) {
4478 let fs = FakeFs::new(cx.background());
4479 fs.insert_tree(
4480 "/the-dir",
4481 json!({
4482 "a.rs": "
4483 fn foo(mut v: Vec<usize>) {
4484 for x in &v {
4485 v.push(1);
4486 }
4487 }
4488 "
4489 .unindent(),
4490 }),
4491 )
4492 .await;
4493
4494 let project = Project::test(fs.clone(), &mut cx);
4495 let (worktree, _) = project
4496 .update(&mut cx, |p, cx| {
4497 p.find_or_create_local_worktree("/the-dir", false, cx)
4498 })
4499 .await
4500 .unwrap();
4501 let worktree_id = worktree.read_with(&cx, |tree, _| tree.id());
4502
4503 let buffer = project
4504 .update(&mut cx, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx))
4505 .await
4506 .unwrap();
4507
4508 let buffer_uri = Url::from_file_path("/the-dir/a.rs").unwrap();
4509 let message = lsp::PublishDiagnosticsParams {
4510 uri: buffer_uri.clone(),
4511 diagnostics: vec![
4512 lsp::Diagnostic {
4513 range: lsp::Range::new(lsp::Position::new(1, 8), lsp::Position::new(1, 9)),
4514 severity: Some(DiagnosticSeverity::WARNING),
4515 message: "error 1".to_string(),
4516 related_information: Some(vec![lsp::DiagnosticRelatedInformation {
4517 location: lsp::Location {
4518 uri: buffer_uri.clone(),
4519 range: lsp::Range::new(
4520 lsp::Position::new(1, 8),
4521 lsp::Position::new(1, 9),
4522 ),
4523 },
4524 message: "error 1 hint 1".to_string(),
4525 }]),
4526 ..Default::default()
4527 },
4528 lsp::Diagnostic {
4529 range: lsp::Range::new(lsp::Position::new(1, 8), lsp::Position::new(1, 9)),
4530 severity: Some(DiagnosticSeverity::HINT),
4531 message: "error 1 hint 1".to_string(),
4532 related_information: Some(vec![lsp::DiagnosticRelatedInformation {
4533 location: lsp::Location {
4534 uri: buffer_uri.clone(),
4535 range: lsp::Range::new(
4536 lsp::Position::new(1, 8),
4537 lsp::Position::new(1, 9),
4538 ),
4539 },
4540 message: "original diagnostic".to_string(),
4541 }]),
4542 ..Default::default()
4543 },
4544 lsp::Diagnostic {
4545 range: lsp::Range::new(lsp::Position::new(2, 8), lsp::Position::new(2, 17)),
4546 severity: Some(DiagnosticSeverity::ERROR),
4547 message: "error 2".to_string(),
4548 related_information: Some(vec![
4549 lsp::DiagnosticRelatedInformation {
4550 location: lsp::Location {
4551 uri: buffer_uri.clone(),
4552 range: lsp::Range::new(
4553 lsp::Position::new(1, 13),
4554 lsp::Position::new(1, 15),
4555 ),
4556 },
4557 message: "error 2 hint 1".to_string(),
4558 },
4559 lsp::DiagnosticRelatedInformation {
4560 location: lsp::Location {
4561 uri: buffer_uri.clone(),
4562 range: lsp::Range::new(
4563 lsp::Position::new(1, 13),
4564 lsp::Position::new(1, 15),
4565 ),
4566 },
4567 message: "error 2 hint 2".to_string(),
4568 },
4569 ]),
4570 ..Default::default()
4571 },
4572 lsp::Diagnostic {
4573 range: lsp::Range::new(lsp::Position::new(1, 13), lsp::Position::new(1, 15)),
4574 severity: Some(DiagnosticSeverity::HINT),
4575 message: "error 2 hint 1".to_string(),
4576 related_information: Some(vec![lsp::DiagnosticRelatedInformation {
4577 location: lsp::Location {
4578 uri: buffer_uri.clone(),
4579 range: lsp::Range::new(
4580 lsp::Position::new(2, 8),
4581 lsp::Position::new(2, 17),
4582 ),
4583 },
4584 message: "original diagnostic".to_string(),
4585 }]),
4586 ..Default::default()
4587 },
4588 lsp::Diagnostic {
4589 range: lsp::Range::new(lsp::Position::new(1, 13), lsp::Position::new(1, 15)),
4590 severity: Some(DiagnosticSeverity::HINT),
4591 message: "error 2 hint 2".to_string(),
4592 related_information: Some(vec![lsp::DiagnosticRelatedInformation {
4593 location: lsp::Location {
4594 uri: buffer_uri.clone(),
4595 range: lsp::Range::new(
4596 lsp::Position::new(2, 8),
4597 lsp::Position::new(2, 17),
4598 ),
4599 },
4600 message: "original diagnostic".to_string(),
4601 }]),
4602 ..Default::default()
4603 },
4604 ],
4605 version: None,
4606 };
4607
4608 project
4609 .update(&mut cx, |p, cx| {
4610 p.update_diagnostics(message, &Default::default(), cx)
4611 })
4612 .unwrap();
4613 let buffer = buffer.read_with(&cx, |buffer, _| buffer.snapshot());
4614
4615 assert_eq!(
4616 buffer
4617 .diagnostics_in_range::<_, Point>(0..buffer.len())
4618 .collect::<Vec<_>>(),
4619 &[
4620 DiagnosticEntry {
4621 range: Point::new(1, 8)..Point::new(1, 9),
4622 diagnostic: Diagnostic {
4623 severity: DiagnosticSeverity::WARNING,
4624 message: "error 1".to_string(),
4625 group_id: 0,
4626 is_primary: true,
4627 ..Default::default()
4628 }
4629 },
4630 DiagnosticEntry {
4631 range: Point::new(1, 8)..Point::new(1, 9),
4632 diagnostic: Diagnostic {
4633 severity: DiagnosticSeverity::HINT,
4634 message: "error 1 hint 1".to_string(),
4635 group_id: 0,
4636 is_primary: false,
4637 ..Default::default()
4638 }
4639 },
4640 DiagnosticEntry {
4641 range: Point::new(1, 13)..Point::new(1, 15),
4642 diagnostic: Diagnostic {
4643 severity: DiagnosticSeverity::HINT,
4644 message: "error 2 hint 1".to_string(),
4645 group_id: 1,
4646 is_primary: false,
4647 ..Default::default()
4648 }
4649 },
4650 DiagnosticEntry {
4651 range: Point::new(1, 13)..Point::new(1, 15),
4652 diagnostic: Diagnostic {
4653 severity: DiagnosticSeverity::HINT,
4654 message: "error 2 hint 2".to_string(),
4655 group_id: 1,
4656 is_primary: false,
4657 ..Default::default()
4658 }
4659 },
4660 DiagnosticEntry {
4661 range: Point::new(2, 8)..Point::new(2, 17),
4662 diagnostic: Diagnostic {
4663 severity: DiagnosticSeverity::ERROR,
4664 message: "error 2".to_string(),
4665 group_id: 1,
4666 is_primary: true,
4667 ..Default::default()
4668 }
4669 }
4670 ]
4671 );
4672
4673 assert_eq!(
4674 buffer.diagnostic_group::<Point>(0).collect::<Vec<_>>(),
4675 &[
4676 DiagnosticEntry {
4677 range: Point::new(1, 8)..Point::new(1, 9),
4678 diagnostic: Diagnostic {
4679 severity: DiagnosticSeverity::WARNING,
4680 message: "error 1".to_string(),
4681 group_id: 0,
4682 is_primary: true,
4683 ..Default::default()
4684 }
4685 },
4686 DiagnosticEntry {
4687 range: Point::new(1, 8)..Point::new(1, 9),
4688 diagnostic: Diagnostic {
4689 severity: DiagnosticSeverity::HINT,
4690 message: "error 1 hint 1".to_string(),
4691 group_id: 0,
4692 is_primary: false,
4693 ..Default::default()
4694 }
4695 },
4696 ]
4697 );
4698 assert_eq!(
4699 buffer.diagnostic_group::<Point>(1).collect::<Vec<_>>(),
4700 &[
4701 DiagnosticEntry {
4702 range: Point::new(1, 13)..Point::new(1, 15),
4703 diagnostic: Diagnostic {
4704 severity: DiagnosticSeverity::HINT,
4705 message: "error 2 hint 1".to_string(),
4706 group_id: 1,
4707 is_primary: false,
4708 ..Default::default()
4709 }
4710 },
4711 DiagnosticEntry {
4712 range: Point::new(1, 13)..Point::new(1, 15),
4713 diagnostic: Diagnostic {
4714 severity: DiagnosticSeverity::HINT,
4715 message: "error 2 hint 2".to_string(),
4716 group_id: 1,
4717 is_primary: false,
4718 ..Default::default()
4719 }
4720 },
4721 DiagnosticEntry {
4722 range: Point::new(2, 8)..Point::new(2, 17),
4723 diagnostic: Diagnostic {
4724 severity: DiagnosticSeverity::ERROR,
4725 message: "error 2".to_string(),
4726 group_id: 1,
4727 is_primary: true,
4728 ..Default::default()
4729 }
4730 }
4731 ]
4732 );
4733 }
4734
4735 #[gpui::test]
4736 async fn test_rename(mut cx: gpui::TestAppContext) {
4737 let (language_server_config, mut fake_servers) = LanguageServerConfig::fake();
4738 let language = Arc::new(Language::new(
4739 LanguageConfig {
4740 name: "Rust".into(),
4741 path_suffixes: vec!["rs".to_string()],
4742 language_server: Some(language_server_config),
4743 ..Default::default()
4744 },
4745 Some(tree_sitter_rust::language()),
4746 ));
4747
4748 let fs = FakeFs::new(cx.background());
4749 fs.insert_tree(
4750 "/dir",
4751 json!({
4752 "one.rs": "const ONE: usize = 1;",
4753 "two.rs": "const TWO: usize = one::ONE + one::ONE;"
4754 }),
4755 )
4756 .await;
4757
4758 let project = Project::test(fs.clone(), &mut cx);
4759 project.update(&mut cx, |project, _| {
4760 Arc::get_mut(&mut project.languages).unwrap().add(language);
4761 });
4762
4763 let (tree, _) = project
4764 .update(&mut cx, |project, cx| {
4765 project.find_or_create_local_worktree("/dir", false, cx)
4766 })
4767 .await
4768 .unwrap();
4769 let worktree_id = tree.read_with(&cx, |tree, _| tree.id());
4770 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
4771 .await;
4772
4773 let buffer = project
4774 .update(&mut cx, |project, cx| {
4775 project.open_buffer((worktree_id, Path::new("one.rs")), cx)
4776 })
4777 .await
4778 .unwrap();
4779
4780 let mut fake_server = fake_servers.next().await.unwrap();
4781
4782 let response = project.update(&mut cx, |project, cx| {
4783 project.prepare_rename(buffer.clone(), 7, cx)
4784 });
4785 fake_server
4786 .handle_request::<lsp::request::PrepareRenameRequest, _>(|params, _| {
4787 assert_eq!(params.text_document.uri.as_str(), "file:///dir/one.rs");
4788 assert_eq!(params.position, lsp::Position::new(0, 7));
4789 Some(lsp::PrepareRenameResponse::Range(lsp::Range::new(
4790 lsp::Position::new(0, 6),
4791 lsp::Position::new(0, 9),
4792 )))
4793 })
4794 .next()
4795 .await
4796 .unwrap();
4797 let range = response.await.unwrap().unwrap();
4798 let range = buffer.read_with(&cx, |buffer, _| range.to_offset(buffer));
4799 assert_eq!(range, 6..9);
4800
4801 let response = project.update(&mut cx, |project, cx| {
4802 project.perform_rename(buffer.clone(), 7, "THREE".to_string(), true, cx)
4803 });
4804 fake_server
4805 .handle_request::<lsp::request::Rename, _>(|params, _| {
4806 assert_eq!(
4807 params.text_document_position.text_document.uri.as_str(),
4808 "file:///dir/one.rs"
4809 );
4810 assert_eq!(
4811 params.text_document_position.position,
4812 lsp::Position::new(0, 7)
4813 );
4814 assert_eq!(params.new_name, "THREE");
4815 Some(lsp::WorkspaceEdit {
4816 changes: Some(
4817 [
4818 (
4819 lsp::Url::from_file_path("/dir/one.rs").unwrap(),
4820 vec![lsp::TextEdit::new(
4821 lsp::Range::new(
4822 lsp::Position::new(0, 6),
4823 lsp::Position::new(0, 9),
4824 ),
4825 "THREE".to_string(),
4826 )],
4827 ),
4828 (
4829 lsp::Url::from_file_path("/dir/two.rs").unwrap(),
4830 vec![
4831 lsp::TextEdit::new(
4832 lsp::Range::new(
4833 lsp::Position::new(0, 24),
4834 lsp::Position::new(0, 27),
4835 ),
4836 "THREE".to_string(),
4837 ),
4838 lsp::TextEdit::new(
4839 lsp::Range::new(
4840 lsp::Position::new(0, 35),
4841 lsp::Position::new(0, 38),
4842 ),
4843 "THREE".to_string(),
4844 ),
4845 ],
4846 ),
4847 ]
4848 .into_iter()
4849 .collect(),
4850 ),
4851 ..Default::default()
4852 })
4853 })
4854 .next()
4855 .await
4856 .unwrap();
4857 let mut transaction = response.await.unwrap().0;
4858 assert_eq!(transaction.len(), 2);
4859 assert_eq!(
4860 transaction
4861 .remove_entry(&buffer)
4862 .unwrap()
4863 .0
4864 .read_with(&cx, |buffer, _| buffer.text()),
4865 "const THREE: usize = 1;"
4866 );
4867 assert_eq!(
4868 transaction
4869 .into_keys()
4870 .next()
4871 .unwrap()
4872 .read_with(&cx, |buffer, _| buffer.text()),
4873 "const TWO: usize = one::THREE + one::THREE;"
4874 );
4875 }
4876
4877 #[gpui::test]
4878 async fn test_search(mut cx: gpui::TestAppContext) {
4879 let fs = FakeFs::new(cx.background());
4880 fs.insert_tree(
4881 "/dir",
4882 json!({
4883 "one.rs": "const ONE: usize = 1;",
4884 "two.rs": "const TWO: usize = one::ONE + one::ONE;",
4885 "three.rs": "const THREE: usize = one::ONE + two::TWO;",
4886 "four.rs": "const FOUR: usize = one::ONE + three::THREE;",
4887 }),
4888 )
4889 .await;
4890 let project = Project::test(fs.clone(), &mut cx);
4891 let (tree, _) = project
4892 .update(&mut cx, |project, cx| {
4893 project.find_or_create_local_worktree("/dir", false, cx)
4894 })
4895 .await
4896 .unwrap();
4897 let worktree_id = tree.read_with(&cx, |tree, _| tree.id());
4898 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
4899 .await;
4900
4901 assert_eq!(
4902 search(&project, SearchQuery::text("TWO", false, true), &mut cx).await,
4903 HashMap::from_iter([
4904 ("two.rs".to_string(), vec![6..9]),
4905 ("three.rs".to_string(), vec![37..40])
4906 ])
4907 );
4908
4909 let buffer_4 = project
4910 .update(&mut cx, |project, cx| {
4911 project.open_buffer((worktree_id, "four.rs"), cx)
4912 })
4913 .await
4914 .unwrap();
4915 buffer_4.update(&mut cx, |buffer, cx| {
4916 buffer.edit([20..28, 31..43], "two::TWO", cx);
4917 });
4918
4919 assert_eq!(
4920 search(&project, SearchQuery::text("TWO", false, true), &mut cx).await,
4921 HashMap::from_iter([
4922 ("two.rs".to_string(), vec![6..9]),
4923 ("three.rs".to_string(), vec![37..40]),
4924 ("four.rs".to_string(), vec![25..28, 36..39])
4925 ])
4926 );
4927
4928 async fn search(
4929 project: &ModelHandle<Project>,
4930 query: SearchQuery,
4931 cx: &mut gpui::TestAppContext,
4932 ) -> HashMap<String, Vec<Range<usize>>> {
4933 project
4934 .update(cx, |project, cx| project.search(query, cx))
4935 .await
4936 .into_iter()
4937 .map(|(buffer, ranges)| {
4938 buffer.read_with(cx, |buffer, _| {
4939 let path = buffer.file().unwrap().path().to_string_lossy().to_string();
4940 let ranges = ranges
4941 .into_iter()
4942 .map(|range| range.to_offset(buffer))
4943 .collect::<Vec<_>>();
4944 (path, ranges)
4945 })
4946 })
4947 .collect()
4948 }
4949 }
4950}