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 proto::{deserialize_anchor, serialize_anchor},
19 range_from_lsp, Anchor, AnchorRangeExt, Bias, Buffer, CodeAction, CodeLabel, Completion,
20 Diagnostic, DiagnosticEntry, File as _, Language, LanguageRegistry, Operation, PointUtf16,
21 ToLspPosition, ToOffset, ToPointUtf16, Transaction,
22};
23use lsp::{DiagnosticSeverity, DocumentHighlightKind, LanguageServer};
24use lsp_command::*;
25use postage::watch;
26use rand::prelude::*;
27use search::SearchQuery;
28use sha2::{Digest, Sha256};
29use smol::block_on;
30use std::{
31 cell::RefCell,
32 cmp,
33 convert::TryInto,
34 hash::Hash,
35 mem,
36 ops::Range,
37 path::{Component, Path, PathBuf},
38 rc::Rc,
39 sync::{atomic::AtomicBool, Arc},
40 time::Instant,
41};
42use util::{post_inc, ResultExt, TryFutureExt as _};
43
44pub use fs::*;
45pub use worktree::*;
46
47pub struct Project {
48 worktrees: Vec<WorktreeHandle>,
49 active_entry: Option<ProjectEntry>,
50 languages: Arc<LanguageRegistry>,
51 language_servers: HashMap<(WorktreeId, String), Arc<LanguageServer>>,
52 started_language_servers:
53 HashMap<(WorktreeId, String), Shared<Task<Option<Arc<LanguageServer>>>>>,
54 client: Arc<client::Client>,
55 user_store: ModelHandle<UserStore>,
56 fs: Arc<dyn Fs>,
57 client_state: ProjectClientState,
58 collaborators: HashMap<PeerId, Collaborator>,
59 subscriptions: Vec<client::Subscription>,
60 language_servers_with_diagnostics_running: isize,
61 opened_buffer: (Rc<RefCell<watch::Sender<()>>>, watch::Receiver<()>),
62 shared_buffers: HashMap<PeerId, HashSet<u64>>,
63 loading_buffers: HashMap<
64 ProjectPath,
65 postage::watch::Receiver<Option<Result<ModelHandle<Buffer>, Arc<anyhow::Error>>>>,
66 >,
67 opened_buffers: HashMap<u64, OpenBuffer>,
68 nonce: u128,
69}
70
71enum OpenBuffer {
72 Strong(ModelHandle<Buffer>),
73 Weak(WeakModelHandle<Buffer>),
74 Loading(Vec<Operation>),
75}
76
77enum WorktreeHandle {
78 Strong(ModelHandle<Worktree>),
79 Weak(WeakModelHandle<Worktree>),
80}
81
82enum ProjectClientState {
83 Local {
84 is_shared: bool,
85 remote_id_tx: watch::Sender<Option<u64>>,
86 remote_id_rx: watch::Receiver<Option<u64>>,
87 _maintain_remote_id_task: Task<Option<()>>,
88 },
89 Remote {
90 sharing_has_stopped: bool,
91 remote_id: u64,
92 replica_id: ReplicaId,
93 },
94}
95
96#[derive(Clone, Debug)]
97pub struct Collaborator {
98 pub user: Arc<User>,
99 pub peer_id: PeerId,
100 pub replica_id: ReplicaId,
101}
102
103#[derive(Clone, Debug, PartialEq)]
104pub enum Event {
105 ActiveEntryChanged(Option<ProjectEntry>),
106 WorktreeRemoved(WorktreeId),
107 DiskBasedDiagnosticsStarted,
108 DiskBasedDiagnosticsUpdated,
109 DiskBasedDiagnosticsFinished,
110 DiagnosticsUpdated(ProjectPath),
111}
112
113#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
114pub struct ProjectPath {
115 pub worktree_id: WorktreeId,
116 pub path: Arc<Path>,
117}
118
119#[derive(Clone, Debug, Default, PartialEq)]
120pub struct DiagnosticSummary {
121 pub error_count: usize,
122 pub warning_count: usize,
123 pub info_count: usize,
124 pub hint_count: usize,
125}
126
127#[derive(Debug)]
128pub struct Location {
129 pub buffer: ModelHandle<Buffer>,
130 pub range: Range<language::Anchor>,
131}
132
133#[derive(Debug)]
134pub struct DocumentHighlight {
135 pub range: Range<language::Anchor>,
136 pub kind: DocumentHighlightKind,
137}
138
139#[derive(Clone, Debug)]
140pub struct Symbol {
141 pub source_worktree_id: WorktreeId,
142 pub worktree_id: WorktreeId,
143 pub language_name: String,
144 pub path: PathBuf,
145 pub label: CodeLabel,
146 pub name: String,
147 pub kind: lsp::SymbolKind,
148 pub range: Range<PointUtf16>,
149 pub signature: [u8; 32],
150}
151
152#[derive(Default)]
153pub struct ProjectTransaction(pub HashMap<ModelHandle<Buffer>, language::Transaction>);
154
155impl DiagnosticSummary {
156 fn new<'a, T: 'a>(diagnostics: impl IntoIterator<Item = &'a DiagnosticEntry<T>>) -> Self {
157 let mut this = Self {
158 error_count: 0,
159 warning_count: 0,
160 info_count: 0,
161 hint_count: 0,
162 };
163
164 for entry in diagnostics {
165 if entry.diagnostic.is_primary {
166 match entry.diagnostic.severity {
167 DiagnosticSeverity::ERROR => this.error_count += 1,
168 DiagnosticSeverity::WARNING => this.warning_count += 1,
169 DiagnosticSeverity::INFORMATION => this.info_count += 1,
170 DiagnosticSeverity::HINT => this.hint_count += 1,
171 _ => {}
172 }
173 }
174 }
175
176 this
177 }
178
179 pub fn to_proto(&self, path: &Path) -> proto::DiagnosticSummary {
180 proto::DiagnosticSummary {
181 path: path.to_string_lossy().to_string(),
182 error_count: self.error_count as u32,
183 warning_count: self.warning_count as u32,
184 info_count: self.info_count as u32,
185 hint_count: self.hint_count as u32,
186 }
187 }
188}
189
190#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
191pub struct ProjectEntry {
192 pub worktree_id: WorktreeId,
193 pub entry_id: usize,
194}
195
196impl Project {
197 pub fn init(client: &Arc<Client>) {
198 client.add_entity_message_handler(Self::handle_add_collaborator);
199 client.add_entity_message_handler(Self::handle_buffer_reloaded);
200 client.add_entity_message_handler(Self::handle_buffer_saved);
201 client.add_entity_message_handler(Self::handle_close_buffer);
202 client.add_entity_message_handler(Self::handle_disk_based_diagnostics_updated);
203 client.add_entity_message_handler(Self::handle_disk_based_diagnostics_updating);
204 client.add_entity_message_handler(Self::handle_remove_collaborator);
205 client.add_entity_message_handler(Self::handle_register_worktree);
206 client.add_entity_message_handler(Self::handle_unregister_worktree);
207 client.add_entity_message_handler(Self::handle_unshare_project);
208 client.add_entity_message_handler(Self::handle_update_buffer_file);
209 client.add_entity_message_handler(Self::handle_update_buffer);
210 client.add_entity_message_handler(Self::handle_update_diagnostic_summary);
211 client.add_entity_message_handler(Self::handle_update_worktree);
212 client.add_entity_request_handler(Self::handle_apply_additional_edits_for_completion);
213 client.add_entity_request_handler(Self::handle_apply_code_action);
214 client.add_entity_request_handler(Self::handle_format_buffers);
215 client.add_entity_request_handler(Self::handle_get_code_actions);
216 client.add_entity_request_handler(Self::handle_get_completions);
217 client.add_entity_request_handler(Self::handle_lsp_command::<GetDefinition>);
218 client.add_entity_request_handler(Self::handle_lsp_command::<GetDocumentHighlights>);
219 client.add_entity_request_handler(Self::handle_lsp_command::<GetReferences>);
220 client.add_entity_request_handler(Self::handle_lsp_command::<PrepareRename>);
221 client.add_entity_request_handler(Self::handle_lsp_command::<PerformRename>);
222 client.add_entity_request_handler(Self::handle_search_project);
223 client.add_entity_request_handler(Self::handle_get_project_symbols);
224 client.add_entity_request_handler(Self::handle_open_buffer_for_symbol);
225 client.add_entity_request_handler(Self::handle_open_buffer);
226 client.add_entity_request_handler(Self::handle_save_buffer);
227 }
228
229 pub fn local(
230 client: Arc<Client>,
231 user_store: ModelHandle<UserStore>,
232 languages: Arc<LanguageRegistry>,
233 fs: Arc<dyn Fs>,
234 cx: &mut MutableAppContext,
235 ) -> ModelHandle<Self> {
236 cx.add_model(|cx: &mut ModelContext<Self>| {
237 let (remote_id_tx, remote_id_rx) = watch::channel();
238 let _maintain_remote_id_task = cx.spawn_weak({
239 let rpc = client.clone();
240 move |this, mut cx| {
241 async move {
242 let mut status = rpc.status();
243 while let Some(status) = status.next().await {
244 if let Some(this) = this.upgrade(&cx) {
245 let remote_id = if let client::Status::Connected { .. } = status {
246 let response = rpc.request(proto::RegisterProject {}).await?;
247 Some(response.project_id)
248 } else {
249 None
250 };
251
252 if let Some(project_id) = remote_id {
253 let mut registrations = Vec::new();
254 this.update(&mut cx, |this, cx| {
255 for worktree in this.worktrees(cx).collect::<Vec<_>>() {
256 registrations.push(worktree.update(
257 cx,
258 |worktree, cx| {
259 let worktree = worktree.as_local_mut().unwrap();
260 worktree.register(project_id, cx)
261 },
262 ));
263 }
264 });
265 for registration in registrations {
266 registration.await?;
267 }
268 }
269 this.update(&mut cx, |this, cx| this.set_remote_id(remote_id, cx));
270 }
271 }
272 Ok(())
273 }
274 .log_err()
275 }
276 });
277
278 let (opened_buffer_tx, opened_buffer_rx) = watch::channel();
279 Self {
280 worktrees: Default::default(),
281 collaborators: Default::default(),
282 opened_buffers: Default::default(),
283 shared_buffers: Default::default(),
284 loading_buffers: Default::default(),
285 client_state: ProjectClientState::Local {
286 is_shared: false,
287 remote_id_tx,
288 remote_id_rx,
289 _maintain_remote_id_task,
290 },
291 opened_buffer: (Rc::new(RefCell::new(opened_buffer_tx)), opened_buffer_rx),
292 subscriptions: Vec::new(),
293 active_entry: None,
294 languages,
295 client,
296 user_store,
297 fs,
298 language_servers_with_diagnostics_running: 0,
299 language_servers: Default::default(),
300 started_language_servers: Default::default(),
301 nonce: StdRng::from_entropy().gen(),
302 }
303 })
304 }
305
306 pub async fn remote(
307 remote_id: u64,
308 client: Arc<Client>,
309 user_store: ModelHandle<UserStore>,
310 languages: Arc<LanguageRegistry>,
311 fs: Arc<dyn Fs>,
312 cx: &mut AsyncAppContext,
313 ) -> Result<ModelHandle<Self>> {
314 client.authenticate_and_connect(&cx).await?;
315
316 let response = client
317 .request(proto::JoinProject {
318 project_id: remote_id,
319 })
320 .await?;
321
322 let replica_id = response.replica_id as ReplicaId;
323
324 let mut worktrees = Vec::new();
325 for worktree in response.worktrees {
326 let (worktree, load_task) = cx
327 .update(|cx| Worktree::remote(remote_id, replica_id, worktree, client.clone(), cx));
328 worktrees.push(worktree);
329 load_task.detach();
330 }
331
332 let (opened_buffer_tx, opened_buffer_rx) = watch::channel();
333 let this = cx.add_model(|cx| {
334 let mut this = Self {
335 worktrees: Vec::new(),
336 loading_buffers: Default::default(),
337 opened_buffer: (Rc::new(RefCell::new(opened_buffer_tx)), opened_buffer_rx),
338 shared_buffers: Default::default(),
339 active_entry: None,
340 collaborators: Default::default(),
341 languages,
342 user_store: user_store.clone(),
343 fs,
344 subscriptions: vec![client.add_model_for_remote_entity(remote_id, cx)],
345 client,
346 client_state: ProjectClientState::Remote {
347 sharing_has_stopped: false,
348 remote_id,
349 replica_id,
350 },
351 language_servers_with_diagnostics_running: 0,
352 language_servers: Default::default(),
353 started_language_servers: Default::default(),
354 opened_buffers: Default::default(),
355 nonce: StdRng::from_entropy().gen(),
356 };
357 for worktree in worktrees {
358 this.add_worktree(&worktree, cx);
359 }
360 this
361 });
362
363 let user_ids = response
364 .collaborators
365 .iter()
366 .map(|peer| peer.user_id)
367 .collect();
368 user_store
369 .update(cx, |user_store, cx| user_store.load_users(user_ids, cx))
370 .await?;
371 let mut collaborators = HashMap::default();
372 for message in response.collaborators {
373 let collaborator = Collaborator::from_proto(message, &user_store, cx).await?;
374 collaborators.insert(collaborator.peer_id, collaborator);
375 }
376
377 this.update(cx, |this, _| {
378 this.collaborators = collaborators;
379 });
380
381 Ok(this)
382 }
383
384 #[cfg(any(test, feature = "test-support"))]
385 pub fn test(fs: Arc<dyn Fs>, cx: &mut gpui::TestAppContext) -> ModelHandle<Project> {
386 let languages = Arc::new(LanguageRegistry::new());
387 let http_client = client::test::FakeHttpClient::with_404_response();
388 let client = client::Client::new(http_client.clone());
389 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http_client, cx));
390 cx.update(|cx| Project::local(client, user_store, languages, fs, cx))
391 }
392
393 #[cfg(any(test, feature = "test-support"))]
394 pub fn buffer_for_id(&self, remote_id: u64, cx: &AppContext) -> Option<ModelHandle<Buffer>> {
395 self.opened_buffers
396 .get(&remote_id)
397 .and_then(|buffer| buffer.upgrade(cx))
398 }
399
400 #[cfg(any(test, feature = "test-support"))]
401 pub fn has_deferred_operations(&self, cx: &AppContext) -> bool {
402 self.opened_buffers.values().any(|buffer| match buffer {
403 OpenBuffer::Strong(buffer) => buffer.read(cx).deferred_ops_len() > 0,
404 OpenBuffer::Weak(buffer) => buffer
405 .upgrade(cx)
406 .map_or(false, |buffer| buffer.read(cx).deferred_ops_len() > 0),
407 OpenBuffer::Loading(_) => false,
408 })
409 }
410
411 #[cfg(any(test, feature = "test-support"))]
412 pub fn languages(&self) -> &Arc<LanguageRegistry> {
413 &self.languages
414 }
415
416 pub fn fs(&self) -> &Arc<dyn Fs> {
417 &self.fs
418 }
419
420 fn set_remote_id(&mut self, remote_id: Option<u64>, cx: &mut ModelContext<Self>) {
421 if let ProjectClientState::Local { remote_id_tx, .. } = &mut self.client_state {
422 *remote_id_tx.borrow_mut() = remote_id;
423 }
424
425 self.subscriptions.clear();
426 if let Some(remote_id) = remote_id {
427 self.subscriptions
428 .push(self.client.add_model_for_remote_entity(remote_id, cx));
429 }
430 }
431
432 pub fn remote_id(&self) -> Option<u64> {
433 match &self.client_state {
434 ProjectClientState::Local { remote_id_rx, .. } => *remote_id_rx.borrow(),
435 ProjectClientState::Remote { remote_id, .. } => Some(*remote_id),
436 }
437 }
438
439 pub fn next_remote_id(&self) -> impl Future<Output = u64> {
440 let mut id = None;
441 let mut watch = None;
442 match &self.client_state {
443 ProjectClientState::Local { remote_id_rx, .. } => watch = Some(remote_id_rx.clone()),
444 ProjectClientState::Remote { remote_id, .. } => id = Some(*remote_id),
445 }
446
447 async move {
448 if let Some(id) = id {
449 return id;
450 }
451 let mut watch = watch.unwrap();
452 loop {
453 let id = *watch.borrow();
454 if let Some(id) = id {
455 return id;
456 }
457 watch.next().await;
458 }
459 }
460 }
461
462 pub fn replica_id(&self) -> ReplicaId {
463 match &self.client_state {
464 ProjectClientState::Local { .. } => 0,
465 ProjectClientState::Remote { replica_id, .. } => *replica_id,
466 }
467 }
468
469 pub fn collaborators(&self) -> &HashMap<PeerId, Collaborator> {
470 &self.collaborators
471 }
472
473 pub fn worktrees<'a>(
474 &'a self,
475 cx: &'a AppContext,
476 ) -> impl 'a + Iterator<Item = ModelHandle<Worktree>> {
477 self.worktrees
478 .iter()
479 .filter_map(move |worktree| worktree.upgrade(cx))
480 }
481
482 pub fn strong_worktrees<'a>(
483 &'a self,
484 cx: &'a AppContext,
485 ) -> impl 'a + Iterator<Item = ModelHandle<Worktree>> {
486 self.worktrees.iter().filter_map(|worktree| {
487 worktree.upgrade(cx).and_then(|worktree| {
488 if worktree.read(cx).is_weak() {
489 None
490 } else {
491 Some(worktree)
492 }
493 })
494 })
495 }
496
497 pub fn worktree_for_id(
498 &self,
499 id: WorktreeId,
500 cx: &AppContext,
501 ) -> Option<ModelHandle<Worktree>> {
502 self.worktrees(cx)
503 .find(|worktree| worktree.read(cx).id() == id)
504 }
505
506 pub fn share(&self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
507 let rpc = self.client.clone();
508 cx.spawn(|this, mut cx| async move {
509 let project_id = this.update(&mut cx, |this, cx| {
510 if let ProjectClientState::Local {
511 is_shared,
512 remote_id_rx,
513 ..
514 } = &mut this.client_state
515 {
516 *is_shared = true;
517 for open_buffer in this.opened_buffers.values_mut() {
518 match open_buffer {
519 OpenBuffer::Strong(_) => {}
520 OpenBuffer::Weak(buffer) => {
521 if let Some(buffer) = buffer.upgrade(cx) {
522 *open_buffer = OpenBuffer::Strong(buffer);
523 }
524 }
525 OpenBuffer::Loading(_) => unreachable!(),
526 }
527 }
528 remote_id_rx
529 .borrow()
530 .ok_or_else(|| anyhow!("no project id"))
531 } else {
532 Err(anyhow!("can't share a remote project"))
533 }
534 })?;
535
536 rpc.request(proto::ShareProject { project_id }).await?;
537
538 let mut tasks = Vec::new();
539 this.update(&mut cx, |this, cx| {
540 for worktree in this.worktrees(cx).collect::<Vec<_>>() {
541 worktree.update(cx, |worktree, cx| {
542 let worktree = worktree.as_local_mut().unwrap();
543 tasks.push(worktree.share(project_id, cx));
544 });
545 }
546 });
547 for task in tasks {
548 task.await?;
549 }
550 this.update(&mut cx, |_, cx| cx.notify());
551 Ok(())
552 })
553 }
554
555 pub fn unshare(&self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
556 let rpc = self.client.clone();
557 cx.spawn(|this, mut cx| async move {
558 let project_id = this.update(&mut cx, |this, _| {
559 if let ProjectClientState::Local {
560 is_shared,
561 remote_id_rx,
562 ..
563 } = &mut this.client_state
564 {
565 *is_shared = false;
566 for open_buffer in this.opened_buffers.values_mut() {
567 match open_buffer {
568 OpenBuffer::Strong(buffer) => {
569 *open_buffer = OpenBuffer::Weak(buffer.downgrade());
570 }
571 OpenBuffer::Weak(_) => {}
572 OpenBuffer::Loading(_) => unreachable!(),
573 }
574 }
575 remote_id_rx
576 .borrow()
577 .ok_or_else(|| anyhow!("no project id"))
578 } else {
579 Err(anyhow!("can't share a remote project"))
580 }
581 })?;
582
583 rpc.send(proto::UnshareProject { project_id })?;
584 this.update(&mut cx, |this, cx| {
585 this.collaborators.clear();
586 this.shared_buffers.clear();
587 for worktree in this.worktrees(cx).collect::<Vec<_>>() {
588 worktree.update(cx, |worktree, _| {
589 worktree.as_local_mut().unwrap().unshare();
590 });
591 }
592 cx.notify()
593 });
594 Ok(())
595 })
596 }
597
598 pub fn is_read_only(&self) -> bool {
599 match &self.client_state {
600 ProjectClientState::Local { .. } => false,
601 ProjectClientState::Remote {
602 sharing_has_stopped,
603 ..
604 } => *sharing_has_stopped,
605 }
606 }
607
608 pub fn is_local(&self) -> bool {
609 match &self.client_state {
610 ProjectClientState::Local { .. } => true,
611 ProjectClientState::Remote { .. } => false,
612 }
613 }
614
615 pub fn is_remote(&self) -> bool {
616 !self.is_local()
617 }
618
619 pub fn open_buffer(
620 &mut self,
621 path: impl Into<ProjectPath>,
622 cx: &mut ModelContext<Self>,
623 ) -> Task<Result<ModelHandle<Buffer>>> {
624 let project_path = path.into();
625 let worktree = if let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) {
626 worktree
627 } else {
628 return Task::ready(Err(anyhow!("no such worktree")));
629 };
630
631 // If there is already a buffer for the given path, then return it.
632 let existing_buffer = self.get_open_buffer(&project_path, cx);
633 if let Some(existing_buffer) = existing_buffer {
634 return Task::ready(Ok(existing_buffer));
635 }
636
637 let mut loading_watch = match self.loading_buffers.entry(project_path.clone()) {
638 // If the given path is already being loaded, then wait for that existing
639 // task to complete and return the same buffer.
640 hash_map::Entry::Occupied(e) => e.get().clone(),
641
642 // Otherwise, record the fact that this path is now being loaded.
643 hash_map::Entry::Vacant(entry) => {
644 let (mut tx, rx) = postage::watch::channel();
645 entry.insert(rx.clone());
646
647 let load_buffer = if worktree.read(cx).is_local() {
648 self.open_local_buffer(&project_path.path, &worktree, cx)
649 } else {
650 self.open_remote_buffer(&project_path.path, &worktree, cx)
651 };
652
653 cx.spawn(move |this, mut cx| async move {
654 let load_result = load_buffer.await;
655 *tx.borrow_mut() = Some(this.update(&mut cx, |this, _| {
656 // Record the fact that the buffer is no longer loading.
657 this.loading_buffers.remove(&project_path);
658 let buffer = load_result.map_err(Arc::new)?;
659 Ok(buffer)
660 }));
661 })
662 .detach();
663 rx
664 }
665 };
666
667 cx.foreground().spawn(async move {
668 loop {
669 if let Some(result) = loading_watch.borrow().as_ref() {
670 match result {
671 Ok(buffer) => return Ok(buffer.clone()),
672 Err(error) => return Err(anyhow!("{}", error)),
673 }
674 }
675 loading_watch.next().await;
676 }
677 })
678 }
679
680 fn open_local_buffer(
681 &mut self,
682 path: &Arc<Path>,
683 worktree: &ModelHandle<Worktree>,
684 cx: &mut ModelContext<Self>,
685 ) -> Task<Result<ModelHandle<Buffer>>> {
686 let load_buffer = worktree.update(cx, |worktree, cx| {
687 let worktree = worktree.as_local_mut().unwrap();
688 worktree.load_buffer(path, cx)
689 });
690 let worktree = worktree.downgrade();
691 cx.spawn(|this, mut cx| async move {
692 let buffer = load_buffer.await?;
693 let worktree = worktree
694 .upgrade(&cx)
695 .ok_or_else(|| anyhow!("worktree was removed"))?;
696 this.update(&mut cx, |this, cx| {
697 this.register_buffer(&buffer, Some(&worktree), cx)
698 })?;
699 Ok(buffer)
700 })
701 }
702
703 fn open_remote_buffer(
704 &mut self,
705 path: &Arc<Path>,
706 worktree: &ModelHandle<Worktree>,
707 cx: &mut ModelContext<Self>,
708 ) -> Task<Result<ModelHandle<Buffer>>> {
709 let rpc = self.client.clone();
710 let project_id = self.remote_id().unwrap();
711 let remote_worktree_id = worktree.read(cx).id();
712 let path = path.clone();
713 let path_string = path.to_string_lossy().to_string();
714 cx.spawn(|this, mut cx| async move {
715 let response = rpc
716 .request(proto::OpenBuffer {
717 project_id,
718 worktree_id: remote_worktree_id.to_proto(),
719 path: path_string,
720 })
721 .await?;
722 let buffer = response.buffer.ok_or_else(|| anyhow!("missing buffer"))?;
723 this.update(&mut cx, |this, cx| this.deserialize_buffer(buffer, cx))
724 .await
725 })
726 }
727
728 fn open_local_buffer_via_lsp(
729 &mut self,
730 abs_path: lsp::Url,
731 lang_name: String,
732 lang_server: Arc<LanguageServer>,
733 cx: &mut ModelContext<Self>,
734 ) -> Task<Result<ModelHandle<Buffer>>> {
735 cx.spawn(|this, mut cx| async move {
736 let abs_path = abs_path
737 .to_file_path()
738 .map_err(|_| anyhow!("can't convert URI to path"))?;
739 let (worktree, relative_path) = if let Some(result) =
740 this.read_with(&cx, |this, cx| this.find_local_worktree(&abs_path, cx))
741 {
742 result
743 } else {
744 let worktree = this
745 .update(&mut cx, |this, cx| {
746 this.create_local_worktree(&abs_path, true, cx)
747 })
748 .await?;
749 this.update(&mut cx, |this, cx| {
750 this.language_servers
751 .insert((worktree.read(cx).id(), lang_name), lang_server);
752 });
753 (worktree, PathBuf::new())
754 };
755
756 let project_path = ProjectPath {
757 worktree_id: worktree.read_with(&cx, |worktree, _| worktree.id()),
758 path: relative_path.into(),
759 };
760 this.update(&mut cx, |this, cx| this.open_buffer(project_path, cx))
761 .await
762 })
763 }
764
765 pub fn save_buffer_as(
766 &self,
767 buffer: ModelHandle<Buffer>,
768 abs_path: PathBuf,
769 cx: &mut ModelContext<Project>,
770 ) -> Task<Result<()>> {
771 let worktree_task = self.find_or_create_local_worktree(&abs_path, false, cx);
772 cx.spawn(|this, mut cx| async move {
773 let (worktree, path) = worktree_task.await?;
774 worktree
775 .update(&mut cx, |worktree, cx| {
776 worktree
777 .as_local_mut()
778 .unwrap()
779 .save_buffer_as(buffer.clone(), path, cx)
780 })
781 .await?;
782 this.update(&mut cx, |this, cx| {
783 this.assign_language_to_buffer(&buffer, Some(&worktree), cx);
784 });
785 Ok(())
786 })
787 }
788
789 #[cfg(any(test, feature = "test-support"))]
790 pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &AppContext) -> bool {
791 let path = path.into();
792 if let Some(worktree) = self.worktree_for_id(path.worktree_id, cx) {
793 self.opened_buffers.iter().any(|(_, buffer)| {
794 if let Some(buffer) = buffer.upgrade(cx) {
795 if let Some(file) = File::from_dyn(buffer.read(cx).file()) {
796 if file.worktree == worktree && file.path() == &path.path {
797 return true;
798 }
799 }
800 }
801 false
802 })
803 } else {
804 false
805 }
806 }
807
808 pub fn get_open_buffer(
809 &mut self,
810 path: &ProjectPath,
811 cx: &mut ModelContext<Self>,
812 ) -> Option<ModelHandle<Buffer>> {
813 let worktree = self.worktree_for_id(path.worktree_id, cx)?;
814 self.opened_buffers.values().find_map(|buffer| {
815 let buffer = buffer.upgrade(cx)?;
816 let file = File::from_dyn(buffer.read(cx).file())?;
817 if file.worktree == worktree && file.path() == &path.path {
818 Some(buffer)
819 } else {
820 None
821 }
822 })
823 }
824
825 fn register_buffer(
826 &mut self,
827 buffer: &ModelHandle<Buffer>,
828 worktree: Option<&ModelHandle<Worktree>>,
829 cx: &mut ModelContext<Self>,
830 ) -> Result<()> {
831 let remote_id = buffer.read(cx).remote_id();
832 let open_buffer = if self.is_remote() || self.is_shared() {
833 OpenBuffer::Strong(buffer.clone())
834 } else {
835 OpenBuffer::Weak(buffer.downgrade())
836 };
837
838 match self.opened_buffers.insert(remote_id, open_buffer) {
839 None => {}
840 Some(OpenBuffer::Loading(operations)) => {
841 buffer.update(cx, |buffer, cx| buffer.apply_ops(operations, cx))?
842 }
843 Some(OpenBuffer::Weak(existing_handle)) => {
844 if existing_handle.upgrade(cx).is_some() {
845 Err(anyhow!(
846 "already registered buffer with remote id {}",
847 remote_id
848 ))?
849 }
850 }
851 Some(OpenBuffer::Strong(_)) => Err(anyhow!(
852 "already registered buffer with remote id {}",
853 remote_id
854 ))?,
855 }
856 self.assign_language_to_buffer(&buffer, worktree, cx);
857 Ok(())
858 }
859
860 fn assign_language_to_buffer(
861 &mut self,
862 buffer: &ModelHandle<Buffer>,
863 worktree: Option<&ModelHandle<Worktree>>,
864 cx: &mut ModelContext<Self>,
865 ) -> Option<()> {
866 let (path, full_path) = {
867 let file = buffer.read(cx).file()?;
868 (file.path().clone(), file.full_path(cx))
869 };
870
871 // If the buffer has a language, set it and start/assign the language server
872 if let Some(language) = self.languages.select_language(&full_path) {
873 buffer.update(cx, |buffer, cx| {
874 buffer.set_language(Some(language.clone()), cx);
875 });
876
877 // For local worktrees, start a language server if needed.
878 // Also assign the language server and any previously stored diagnostics to the buffer.
879 if let Some(local_worktree) = worktree.and_then(|w| w.read(cx).as_local()) {
880 let worktree_id = local_worktree.id();
881 let worktree_abs_path = local_worktree.abs_path().clone();
882 let buffer = buffer.downgrade();
883 let language_server =
884 self.start_language_server(worktree_id, worktree_abs_path, language, cx);
885
886 cx.spawn_weak(|_, mut cx| async move {
887 if let Some(language_server) = language_server.await {
888 if let Some(buffer) = buffer.upgrade(&cx) {
889 buffer.update(&mut cx, |buffer, cx| {
890 buffer.set_language_server(Some(language_server), cx);
891 });
892 }
893 }
894 })
895 .detach();
896 }
897 }
898
899 if let Some(local_worktree) = worktree.and_then(|w| w.read(cx).as_local()) {
900 if let Some(diagnostics) = local_worktree.diagnostics_for_path(&path) {
901 buffer.update(cx, |buffer, cx| {
902 buffer.update_diagnostics(diagnostics, None, cx).log_err();
903 });
904 }
905 }
906
907 None
908 }
909
910 fn start_language_server(
911 &mut self,
912 worktree_id: WorktreeId,
913 worktree_path: Arc<Path>,
914 language: Arc<Language>,
915 cx: &mut ModelContext<Self>,
916 ) -> Shared<Task<Option<Arc<LanguageServer>>>> {
917 enum LspEvent {
918 DiagnosticsStart,
919 DiagnosticsUpdate(lsp::PublishDiagnosticsParams),
920 DiagnosticsFinish,
921 }
922
923 let key = (worktree_id, language.name().to_string());
924 self.started_language_servers
925 .entry(key.clone())
926 .or_insert_with(|| {
927 let language_server = self.languages.start_language_server(
928 &language,
929 worktree_path,
930 self.client.http_client(),
931 cx,
932 );
933 let rpc = self.client.clone();
934 cx.spawn_weak(|this, mut cx| async move {
935 let language_server = language_server?.await.log_err()?;
936 if let Some(this) = this.upgrade(&cx) {
937 this.update(&mut cx, |this, _| {
938 this.language_servers.insert(key, language_server.clone());
939 });
940 }
941
942 let disk_based_sources = language
943 .disk_based_diagnostic_sources()
944 .cloned()
945 .unwrap_or_default();
946 let disk_based_diagnostics_progress_token =
947 language.disk_based_diagnostics_progress_token().cloned();
948 let has_disk_based_diagnostic_progress_token =
949 disk_based_diagnostics_progress_token.is_some();
950 let (diagnostics_tx, diagnostics_rx) = smol::channel::unbounded();
951
952 // Listen for `PublishDiagnostics` notifications.
953 language_server
954 .on_notification::<lsp::notification::PublishDiagnostics, _>({
955 let diagnostics_tx = diagnostics_tx.clone();
956 move |params| {
957 if !has_disk_based_diagnostic_progress_token {
958 block_on(diagnostics_tx.send(LspEvent::DiagnosticsStart)).ok();
959 }
960 block_on(diagnostics_tx.send(LspEvent::DiagnosticsUpdate(params)))
961 .ok();
962 if !has_disk_based_diagnostic_progress_token {
963 block_on(diagnostics_tx.send(LspEvent::DiagnosticsFinish)).ok();
964 }
965 }
966 })
967 .detach();
968
969 // Listen for `Progress` notifications. Send an event when the language server
970 // transitions between running jobs and not running any jobs.
971 let mut running_jobs_for_this_server: i32 = 0;
972 language_server
973 .on_notification::<lsp::notification::Progress, _>(move |params| {
974 let token = match params.token {
975 lsp::NumberOrString::Number(_) => None,
976 lsp::NumberOrString::String(token) => Some(token),
977 };
978
979 if token == disk_based_diagnostics_progress_token {
980 match params.value {
981 lsp::ProgressParamsValue::WorkDone(progress) => {
982 match progress {
983 lsp::WorkDoneProgress::Begin(_) => {
984 running_jobs_for_this_server += 1;
985 if running_jobs_for_this_server == 1 {
986 block_on(
987 diagnostics_tx
988 .send(LspEvent::DiagnosticsStart),
989 )
990 .ok();
991 }
992 }
993 lsp::WorkDoneProgress::End(_) => {
994 running_jobs_for_this_server -= 1;
995 if running_jobs_for_this_server == 0 {
996 block_on(
997 diagnostics_tx
998 .send(LspEvent::DiagnosticsFinish),
999 )
1000 .ok();
1001 }
1002 }
1003 _ => {}
1004 }
1005 }
1006 }
1007 }
1008 })
1009 .detach();
1010
1011 // Process all the LSP events.
1012 cx.spawn(|mut cx| async move {
1013 while let Ok(message) = diagnostics_rx.recv().await {
1014 let this = this.upgrade(&cx)?;
1015 match message {
1016 LspEvent::DiagnosticsStart => {
1017 this.update(&mut cx, |this, cx| {
1018 this.disk_based_diagnostics_started(cx);
1019 if let Some(project_id) = this.remote_id() {
1020 rpc.send(proto::DiskBasedDiagnosticsUpdating {
1021 project_id,
1022 })
1023 .log_err();
1024 }
1025 });
1026 }
1027 LspEvent::DiagnosticsUpdate(mut params) => {
1028 language.process_diagnostics(&mut params);
1029 this.update(&mut cx, |this, cx| {
1030 this.update_diagnostics(params, &disk_based_sources, cx)
1031 .log_err();
1032 });
1033 }
1034 LspEvent::DiagnosticsFinish => {
1035 this.update(&mut cx, |this, cx| {
1036 this.disk_based_diagnostics_finished(cx);
1037 if let Some(project_id) = this.remote_id() {
1038 rpc.send(proto::DiskBasedDiagnosticsUpdated {
1039 project_id,
1040 })
1041 .log_err();
1042 }
1043 });
1044 }
1045 }
1046 }
1047 Some(())
1048 })
1049 .detach();
1050
1051 Some(language_server)
1052 })
1053 .shared()
1054 })
1055 .clone()
1056 }
1057
1058 pub fn update_diagnostics(
1059 &mut self,
1060 params: lsp::PublishDiagnosticsParams,
1061 disk_based_sources: &HashSet<String>,
1062 cx: &mut ModelContext<Self>,
1063 ) -> Result<()> {
1064 let abs_path = params
1065 .uri
1066 .to_file_path()
1067 .map_err(|_| anyhow!("URI is not a file"))?;
1068 let mut next_group_id = 0;
1069 let mut diagnostics = Vec::default();
1070 let mut primary_diagnostic_group_ids = HashMap::default();
1071 let mut sources_by_group_id = HashMap::default();
1072 let mut supporting_diagnostic_severities = HashMap::default();
1073 for diagnostic in ¶ms.diagnostics {
1074 let source = diagnostic.source.as_ref();
1075 let code = diagnostic.code.as_ref().map(|code| match code {
1076 lsp::NumberOrString::Number(code) => code.to_string(),
1077 lsp::NumberOrString::String(code) => code.clone(),
1078 });
1079 let range = range_from_lsp(diagnostic.range);
1080 let is_supporting = diagnostic
1081 .related_information
1082 .as_ref()
1083 .map_or(false, |infos| {
1084 infos.iter().any(|info| {
1085 primary_diagnostic_group_ids.contains_key(&(
1086 source,
1087 code.clone(),
1088 range_from_lsp(info.location.range),
1089 ))
1090 })
1091 });
1092
1093 if is_supporting {
1094 if let Some(severity) = diagnostic.severity {
1095 supporting_diagnostic_severities
1096 .insert((source, code.clone(), range), severity);
1097 }
1098 } else {
1099 let group_id = post_inc(&mut next_group_id);
1100 let is_disk_based =
1101 source.map_or(false, |source| disk_based_sources.contains(source));
1102
1103 sources_by_group_id.insert(group_id, source);
1104 primary_diagnostic_group_ids
1105 .insert((source, code.clone(), range.clone()), group_id);
1106
1107 diagnostics.push(DiagnosticEntry {
1108 range,
1109 diagnostic: Diagnostic {
1110 code: code.clone(),
1111 severity: diagnostic.severity.unwrap_or(DiagnosticSeverity::ERROR),
1112 message: diagnostic.message.clone(),
1113 group_id,
1114 is_primary: true,
1115 is_valid: true,
1116 is_disk_based,
1117 },
1118 });
1119 if let Some(infos) = &diagnostic.related_information {
1120 for info in infos {
1121 if info.location.uri == params.uri && !info.message.is_empty() {
1122 let range = range_from_lsp(info.location.range);
1123 diagnostics.push(DiagnosticEntry {
1124 range,
1125 diagnostic: Diagnostic {
1126 code: code.clone(),
1127 severity: DiagnosticSeverity::INFORMATION,
1128 message: info.message.clone(),
1129 group_id,
1130 is_primary: false,
1131 is_valid: true,
1132 is_disk_based,
1133 },
1134 });
1135 }
1136 }
1137 }
1138 }
1139 }
1140
1141 for entry in &mut diagnostics {
1142 let diagnostic = &mut entry.diagnostic;
1143 if !diagnostic.is_primary {
1144 let source = *sources_by_group_id.get(&diagnostic.group_id).unwrap();
1145 if let Some(&severity) = supporting_diagnostic_severities.get(&(
1146 source,
1147 diagnostic.code.clone(),
1148 entry.range.clone(),
1149 )) {
1150 diagnostic.severity = severity;
1151 }
1152 }
1153 }
1154
1155 self.update_diagnostic_entries(abs_path, params.version, diagnostics, cx)?;
1156 Ok(())
1157 }
1158
1159 pub fn update_diagnostic_entries(
1160 &mut self,
1161 abs_path: PathBuf,
1162 version: Option<i32>,
1163 diagnostics: Vec<DiagnosticEntry<PointUtf16>>,
1164 cx: &mut ModelContext<Project>,
1165 ) -> Result<(), anyhow::Error> {
1166 let (worktree, relative_path) = self
1167 .find_local_worktree(&abs_path, cx)
1168 .ok_or_else(|| anyhow!("no worktree found for diagnostics"))?;
1169 let project_path = ProjectPath {
1170 worktree_id: worktree.read(cx).id(),
1171 path: relative_path.into(),
1172 };
1173
1174 for buffer in self.opened_buffers.values() {
1175 if let Some(buffer) = buffer.upgrade(cx) {
1176 if buffer
1177 .read(cx)
1178 .file()
1179 .map_or(false, |file| *file.path() == project_path.path)
1180 {
1181 buffer.update(cx, |buffer, cx| {
1182 buffer.update_diagnostics(diagnostics.clone(), version, cx)
1183 })?;
1184 break;
1185 }
1186 }
1187 }
1188 worktree.update(cx, |worktree, cx| {
1189 worktree
1190 .as_local_mut()
1191 .ok_or_else(|| anyhow!("not a local worktree"))?
1192 .update_diagnostics(project_path.path.clone(), diagnostics, cx)
1193 })?;
1194 cx.emit(Event::DiagnosticsUpdated(project_path));
1195 Ok(())
1196 }
1197
1198 pub fn format(
1199 &self,
1200 buffers: HashSet<ModelHandle<Buffer>>,
1201 push_to_history: bool,
1202 cx: &mut ModelContext<Project>,
1203 ) -> Task<Result<ProjectTransaction>> {
1204 let mut local_buffers = Vec::new();
1205 let mut remote_buffers = None;
1206 for buffer_handle in buffers {
1207 let buffer = buffer_handle.read(cx);
1208 let worktree;
1209 if let Some(file) = File::from_dyn(buffer.file()) {
1210 worktree = file.worktree.clone();
1211 if let Some(buffer_abs_path) = file.as_local().map(|f| f.abs_path(cx)) {
1212 let lang_server;
1213 if let Some(lang) = buffer.language() {
1214 if let Some(server) = self
1215 .language_servers
1216 .get(&(worktree.read(cx).id(), lang.name().to_string()))
1217 {
1218 lang_server = server.clone();
1219 } else {
1220 return Task::ready(Ok(Default::default()));
1221 };
1222 } else {
1223 return Task::ready(Ok(Default::default()));
1224 }
1225
1226 local_buffers.push((buffer_handle, buffer_abs_path, lang_server));
1227 } else {
1228 remote_buffers.get_or_insert(Vec::new()).push(buffer_handle);
1229 }
1230 } else {
1231 return Task::ready(Ok(Default::default()));
1232 }
1233 }
1234
1235 let remote_buffers = self.remote_id().zip(remote_buffers);
1236 let client = self.client.clone();
1237
1238 cx.spawn(|this, mut cx| async move {
1239 let mut project_transaction = ProjectTransaction::default();
1240
1241 if let Some((project_id, remote_buffers)) = remote_buffers {
1242 let response = client
1243 .request(proto::FormatBuffers {
1244 project_id,
1245 buffer_ids: remote_buffers
1246 .iter()
1247 .map(|buffer| buffer.read_with(&cx, |buffer, _| buffer.remote_id()))
1248 .collect(),
1249 })
1250 .await?
1251 .transaction
1252 .ok_or_else(|| anyhow!("missing transaction"))?;
1253 project_transaction = this
1254 .update(&mut cx, |this, cx| {
1255 this.deserialize_project_transaction(response, push_to_history, cx)
1256 })
1257 .await?;
1258 }
1259
1260 for (buffer, buffer_abs_path, lang_server) in local_buffers {
1261 let lsp_edits = lang_server
1262 .request::<lsp::request::Formatting>(lsp::DocumentFormattingParams {
1263 text_document: lsp::TextDocumentIdentifier::new(
1264 lsp::Url::from_file_path(&buffer_abs_path).unwrap(),
1265 ),
1266 options: Default::default(),
1267 work_done_progress_params: Default::default(),
1268 })
1269 .await?;
1270
1271 if let Some(lsp_edits) = lsp_edits {
1272 let edits = buffer
1273 .update(&mut cx, |buffer, cx| {
1274 buffer.edits_from_lsp(lsp_edits, None, cx)
1275 })
1276 .await?;
1277 buffer.update(&mut cx, |buffer, cx| {
1278 buffer.finalize_last_transaction();
1279 buffer.start_transaction();
1280 for (range, text) in edits {
1281 buffer.edit([range], text, cx);
1282 }
1283 if buffer.end_transaction(cx).is_some() {
1284 let transaction = buffer.finalize_last_transaction().unwrap().clone();
1285 if !push_to_history {
1286 buffer.forget_transaction(transaction.id);
1287 }
1288 project_transaction.0.insert(cx.handle(), transaction);
1289 }
1290 });
1291 }
1292 }
1293
1294 Ok(project_transaction)
1295 })
1296 }
1297
1298 pub fn definition<T: ToPointUtf16>(
1299 &self,
1300 buffer: &ModelHandle<Buffer>,
1301 position: T,
1302 cx: &mut ModelContext<Self>,
1303 ) -> Task<Result<Vec<Location>>> {
1304 let position = position.to_point_utf16(buffer.read(cx));
1305 self.request_lsp(buffer.clone(), GetDefinition { position }, cx)
1306 }
1307
1308 pub fn references<T: ToPointUtf16>(
1309 &self,
1310 buffer: &ModelHandle<Buffer>,
1311 position: T,
1312 cx: &mut ModelContext<Self>,
1313 ) -> Task<Result<Vec<Location>>> {
1314 let position = position.to_point_utf16(buffer.read(cx));
1315 self.request_lsp(buffer.clone(), GetReferences { position }, cx)
1316 }
1317
1318 pub fn document_highlights<T: ToPointUtf16>(
1319 &self,
1320 buffer: &ModelHandle<Buffer>,
1321 position: T,
1322 cx: &mut ModelContext<Self>,
1323 ) -> Task<Result<Vec<DocumentHighlight>>> {
1324 let position = position.to_point_utf16(buffer.read(cx));
1325
1326 self.request_lsp(buffer.clone(), GetDocumentHighlights { position }, cx)
1327 }
1328
1329 pub fn symbols(&self, query: &str, cx: &mut ModelContext<Self>) -> Task<Result<Vec<Symbol>>> {
1330 if self.is_local() {
1331 let mut language_servers = HashMap::default();
1332 for ((worktree_id, language_name), language_server) in self.language_servers.iter() {
1333 if let Some((worktree, language)) = self
1334 .worktree_for_id(*worktree_id, cx)
1335 .and_then(|worktree| worktree.read(cx).as_local())
1336 .zip(self.languages.get_language(language_name))
1337 {
1338 language_servers
1339 .entry(Arc::as_ptr(language_server))
1340 .or_insert((
1341 language_server.clone(),
1342 *worktree_id,
1343 worktree.abs_path().clone(),
1344 language.clone(),
1345 ));
1346 }
1347 }
1348
1349 let mut requests = Vec::new();
1350 for (language_server, _, _, _) in language_servers.values() {
1351 requests.push(language_server.request::<lsp::request::WorkspaceSymbol>(
1352 lsp::WorkspaceSymbolParams {
1353 query: query.to_string(),
1354 ..Default::default()
1355 },
1356 ));
1357 }
1358
1359 cx.spawn_weak(|this, cx| async move {
1360 let responses = futures::future::try_join_all(requests).await?;
1361
1362 let mut symbols = Vec::new();
1363 if let Some(this) = this.upgrade(&cx) {
1364 this.read_with(&cx, |this, cx| {
1365 for ((_, source_worktree_id, worktree_abs_path, language), lsp_symbols) in
1366 language_servers.into_values().zip(responses)
1367 {
1368 symbols.extend(lsp_symbols.into_iter().flatten().filter_map(
1369 |lsp_symbol| {
1370 let abs_path = lsp_symbol.location.uri.to_file_path().ok()?;
1371 let mut worktree_id = source_worktree_id;
1372 let path;
1373 if let Some((worktree, rel_path)) =
1374 this.find_local_worktree(&abs_path, cx)
1375 {
1376 worktree_id = worktree.read(cx).id();
1377 path = rel_path;
1378 } else {
1379 path = relativize_path(&worktree_abs_path, &abs_path);
1380 }
1381
1382 let label = language
1383 .label_for_symbol(&lsp_symbol.name, lsp_symbol.kind)
1384 .unwrap_or_else(|| {
1385 CodeLabel::plain(lsp_symbol.name.clone(), None)
1386 });
1387 let signature = this.symbol_signature(worktree_id, &path);
1388
1389 Some(Symbol {
1390 source_worktree_id,
1391 worktree_id,
1392 language_name: language.name().to_string(),
1393 name: lsp_symbol.name,
1394 kind: lsp_symbol.kind,
1395 label,
1396 path,
1397 range: range_from_lsp(lsp_symbol.location.range),
1398 signature,
1399 })
1400 },
1401 ));
1402 }
1403 })
1404 }
1405
1406 Ok(symbols)
1407 })
1408 } else if let Some(project_id) = self.remote_id() {
1409 let request = self.client.request(proto::GetProjectSymbols {
1410 project_id,
1411 query: query.to_string(),
1412 });
1413 cx.spawn_weak(|this, cx| async move {
1414 let response = request.await?;
1415 let mut symbols = Vec::new();
1416 if let Some(this) = this.upgrade(&cx) {
1417 this.read_with(&cx, |this, _| {
1418 symbols.extend(
1419 response
1420 .symbols
1421 .into_iter()
1422 .filter_map(|symbol| this.deserialize_symbol(symbol).log_err()),
1423 );
1424 })
1425 }
1426 Ok(symbols)
1427 })
1428 } else {
1429 Task::ready(Ok(Default::default()))
1430 }
1431 }
1432
1433 pub fn open_buffer_for_symbol(
1434 &mut self,
1435 symbol: &Symbol,
1436 cx: &mut ModelContext<Self>,
1437 ) -> Task<Result<ModelHandle<Buffer>>> {
1438 if self.is_local() {
1439 let language_server = if let Some(server) = self
1440 .language_servers
1441 .get(&(symbol.source_worktree_id, symbol.language_name.clone()))
1442 {
1443 server.clone()
1444 } else {
1445 return Task::ready(Err(anyhow!(
1446 "language server for worktree and language not found"
1447 )));
1448 };
1449
1450 let worktree_abs_path = if let Some(worktree_abs_path) = self
1451 .worktree_for_id(symbol.worktree_id, cx)
1452 .and_then(|worktree| worktree.read(cx).as_local())
1453 .map(|local_worktree| local_worktree.abs_path())
1454 {
1455 worktree_abs_path
1456 } else {
1457 return Task::ready(Err(anyhow!("worktree not found for symbol")));
1458 };
1459 let symbol_abs_path = worktree_abs_path.join(&symbol.path);
1460 let symbol_uri = if let Ok(uri) = lsp::Url::from_file_path(symbol_abs_path) {
1461 uri
1462 } else {
1463 return Task::ready(Err(anyhow!("invalid symbol path")));
1464 };
1465
1466 self.open_local_buffer_via_lsp(
1467 symbol_uri,
1468 symbol.language_name.clone(),
1469 language_server,
1470 cx,
1471 )
1472 } else if let Some(project_id) = self.remote_id() {
1473 let request = self.client.request(proto::OpenBufferForSymbol {
1474 project_id,
1475 symbol: Some(serialize_symbol(symbol)),
1476 });
1477 cx.spawn(|this, mut cx| async move {
1478 let response = request.await?;
1479 let buffer = response.buffer.ok_or_else(|| anyhow!("invalid buffer"))?;
1480 this.update(&mut cx, |this, cx| this.deserialize_buffer(buffer, cx))
1481 .await
1482 })
1483 } else {
1484 Task::ready(Err(anyhow!("project does not have a remote id")))
1485 }
1486 }
1487
1488 pub fn completions<T: ToPointUtf16>(
1489 &self,
1490 source_buffer_handle: &ModelHandle<Buffer>,
1491 position: T,
1492 cx: &mut ModelContext<Self>,
1493 ) -> Task<Result<Vec<Completion>>> {
1494 let source_buffer_handle = source_buffer_handle.clone();
1495 let source_buffer = source_buffer_handle.read(cx);
1496 let buffer_id = source_buffer.remote_id();
1497 let language = source_buffer.language().cloned();
1498 let worktree;
1499 let buffer_abs_path;
1500 if let Some(file) = File::from_dyn(source_buffer.file()) {
1501 worktree = file.worktree.clone();
1502 buffer_abs_path = file.as_local().map(|f| f.abs_path(cx));
1503 } else {
1504 return Task::ready(Ok(Default::default()));
1505 };
1506
1507 let position = position.to_point_utf16(source_buffer);
1508 let anchor = source_buffer.anchor_after(position);
1509
1510 if worktree.read(cx).as_local().is_some() {
1511 let buffer_abs_path = buffer_abs_path.unwrap();
1512 let lang_server = if let Some(server) = source_buffer.language_server().cloned() {
1513 server
1514 } else {
1515 return Task::ready(Ok(Default::default()));
1516 };
1517
1518 cx.spawn(|_, cx| async move {
1519 let completions = lang_server
1520 .request::<lsp::request::Completion>(lsp::CompletionParams {
1521 text_document_position: lsp::TextDocumentPositionParams::new(
1522 lsp::TextDocumentIdentifier::new(
1523 lsp::Url::from_file_path(buffer_abs_path).unwrap(),
1524 ),
1525 position.to_lsp_position(),
1526 ),
1527 context: Default::default(),
1528 work_done_progress_params: Default::default(),
1529 partial_result_params: Default::default(),
1530 })
1531 .await
1532 .context("lsp completion request failed")?;
1533
1534 let completions = if let Some(completions) = completions {
1535 match completions {
1536 lsp::CompletionResponse::Array(completions) => completions,
1537 lsp::CompletionResponse::List(list) => list.items,
1538 }
1539 } else {
1540 Default::default()
1541 };
1542
1543 source_buffer_handle.read_with(&cx, |this, _| {
1544 Ok(completions
1545 .into_iter()
1546 .filter_map(|lsp_completion| {
1547 let (old_range, new_text) = match lsp_completion.text_edit.as_ref()? {
1548 lsp::CompletionTextEdit::Edit(edit) => {
1549 (range_from_lsp(edit.range), edit.new_text.clone())
1550 }
1551 lsp::CompletionTextEdit::InsertAndReplace(_) => {
1552 log::info!("unsupported insert/replace completion");
1553 return None;
1554 }
1555 };
1556
1557 let clipped_start = this.clip_point_utf16(old_range.start, Bias::Left);
1558 let clipped_end = this.clip_point_utf16(old_range.end, Bias::Left);
1559 if clipped_start == old_range.start && clipped_end == old_range.end {
1560 Some(Completion {
1561 old_range: this.anchor_before(old_range.start)
1562 ..this.anchor_after(old_range.end),
1563 new_text,
1564 label: language
1565 .as_ref()
1566 .and_then(|l| l.label_for_completion(&lsp_completion))
1567 .unwrap_or_else(|| {
1568 CodeLabel::plain(
1569 lsp_completion.label.clone(),
1570 lsp_completion.filter_text.as_deref(),
1571 )
1572 }),
1573 lsp_completion,
1574 })
1575 } else {
1576 None
1577 }
1578 })
1579 .collect())
1580 })
1581 })
1582 } else if let Some(project_id) = self.remote_id() {
1583 let rpc = self.client.clone();
1584 let message = proto::GetCompletions {
1585 project_id,
1586 buffer_id,
1587 position: Some(language::proto::serialize_anchor(&anchor)),
1588 version: (&source_buffer.version()).into(),
1589 };
1590 cx.spawn_weak(|_, mut cx| async move {
1591 let response = rpc.request(message).await?;
1592
1593 source_buffer_handle
1594 .update(&mut cx, |buffer, _| {
1595 buffer.wait_for_version(response.version.into())
1596 })
1597 .await;
1598
1599 response
1600 .completions
1601 .into_iter()
1602 .map(|completion| {
1603 language::proto::deserialize_completion(completion, language.as_ref())
1604 })
1605 .collect()
1606 })
1607 } else {
1608 Task::ready(Ok(Default::default()))
1609 }
1610 }
1611
1612 pub fn apply_additional_edits_for_completion(
1613 &self,
1614 buffer_handle: ModelHandle<Buffer>,
1615 completion: Completion,
1616 push_to_history: bool,
1617 cx: &mut ModelContext<Self>,
1618 ) -> Task<Result<Option<Transaction>>> {
1619 let buffer = buffer_handle.read(cx);
1620 let buffer_id = buffer.remote_id();
1621
1622 if self.is_local() {
1623 let lang_server = if let Some(language_server) = buffer.language_server() {
1624 language_server.clone()
1625 } else {
1626 return Task::ready(Err(anyhow!("buffer does not have a language server")));
1627 };
1628
1629 cx.spawn(|_, mut cx| async move {
1630 let resolved_completion = lang_server
1631 .request::<lsp::request::ResolveCompletionItem>(completion.lsp_completion)
1632 .await?;
1633 if let Some(edits) = resolved_completion.additional_text_edits {
1634 let edits = buffer_handle
1635 .update(&mut cx, |buffer, cx| buffer.edits_from_lsp(edits, None, cx))
1636 .await?;
1637 buffer_handle.update(&mut cx, |buffer, cx| {
1638 buffer.finalize_last_transaction();
1639 buffer.start_transaction();
1640 for (range, text) in edits {
1641 buffer.edit([range], text, cx);
1642 }
1643 let transaction = if buffer.end_transaction(cx).is_some() {
1644 let transaction = buffer.finalize_last_transaction().unwrap().clone();
1645 if !push_to_history {
1646 buffer.forget_transaction(transaction.id);
1647 }
1648 Some(transaction)
1649 } else {
1650 None
1651 };
1652 Ok(transaction)
1653 })
1654 } else {
1655 Ok(None)
1656 }
1657 })
1658 } else if let Some(project_id) = self.remote_id() {
1659 let client = self.client.clone();
1660 cx.spawn(|_, mut cx| async move {
1661 let response = client
1662 .request(proto::ApplyCompletionAdditionalEdits {
1663 project_id,
1664 buffer_id,
1665 completion: Some(language::proto::serialize_completion(&completion)),
1666 })
1667 .await?;
1668
1669 if let Some(transaction) = response.transaction {
1670 let transaction = language::proto::deserialize_transaction(transaction)?;
1671 buffer_handle
1672 .update(&mut cx, |buffer, _| {
1673 buffer.wait_for_edits(transaction.edit_ids.iter().copied())
1674 })
1675 .await;
1676 if push_to_history {
1677 buffer_handle.update(&mut cx, |buffer, _| {
1678 buffer.push_transaction(transaction.clone(), Instant::now());
1679 });
1680 }
1681 Ok(Some(transaction))
1682 } else {
1683 Ok(None)
1684 }
1685 })
1686 } else {
1687 Task::ready(Err(anyhow!("project does not have a remote id")))
1688 }
1689 }
1690
1691 pub fn code_actions<T: ToOffset>(
1692 &self,
1693 buffer_handle: &ModelHandle<Buffer>,
1694 range: Range<T>,
1695 cx: &mut ModelContext<Self>,
1696 ) -> Task<Result<Vec<CodeAction>>> {
1697 let buffer_handle = buffer_handle.clone();
1698 let buffer = buffer_handle.read(cx);
1699 let buffer_id = buffer.remote_id();
1700 let worktree;
1701 let buffer_abs_path;
1702 if let Some(file) = File::from_dyn(buffer.file()) {
1703 worktree = file.worktree.clone();
1704 buffer_abs_path = file.as_local().map(|f| f.abs_path(cx));
1705 } else {
1706 return Task::ready(Ok(Default::default()));
1707 };
1708 let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
1709
1710 if worktree.read(cx).as_local().is_some() {
1711 let buffer_abs_path = buffer_abs_path.unwrap();
1712 let lang_name;
1713 let lang_server;
1714 if let Some(lang) = buffer.language() {
1715 lang_name = lang.name().to_string();
1716 if let Some(server) = self
1717 .language_servers
1718 .get(&(worktree.read(cx).id(), lang_name.clone()))
1719 {
1720 lang_server = server.clone();
1721 } else {
1722 return Task::ready(Ok(Default::default()));
1723 };
1724 } else {
1725 return Task::ready(Ok(Default::default()));
1726 }
1727
1728 if !lang_server
1729 .capabilities()
1730 .borrow()
1731 .as_ref()
1732 .map_or(false, |capabilities| {
1733 capabilities.code_action_provider.is_some()
1734 })
1735 {
1736 return Task::ready(Ok(Default::default()));
1737 }
1738
1739 let lsp_range = lsp::Range::new(
1740 range.start.to_point_utf16(buffer).to_lsp_position(),
1741 range.end.to_point_utf16(buffer).to_lsp_position(),
1742 );
1743 cx.foreground().spawn(async move {
1744 Ok(lang_server
1745 .request::<lsp::request::CodeActionRequest>(lsp::CodeActionParams {
1746 text_document: lsp::TextDocumentIdentifier::new(
1747 lsp::Url::from_file_path(buffer_abs_path).unwrap(),
1748 ),
1749 range: lsp_range,
1750 work_done_progress_params: Default::default(),
1751 partial_result_params: Default::default(),
1752 context: lsp::CodeActionContext {
1753 diagnostics: Default::default(),
1754 only: Some(vec![
1755 lsp::CodeActionKind::QUICKFIX,
1756 lsp::CodeActionKind::REFACTOR,
1757 lsp::CodeActionKind::REFACTOR_EXTRACT,
1758 ]),
1759 },
1760 })
1761 .await?
1762 .unwrap_or_default()
1763 .into_iter()
1764 .filter_map(|entry| {
1765 if let lsp::CodeActionOrCommand::CodeAction(lsp_action) = entry {
1766 Some(CodeAction {
1767 range: range.clone(),
1768 lsp_action,
1769 })
1770 } else {
1771 None
1772 }
1773 })
1774 .collect())
1775 })
1776 } else if let Some(project_id) = self.remote_id() {
1777 let rpc = self.client.clone();
1778 cx.spawn_weak(|_, mut cx| async move {
1779 let response = rpc
1780 .request(proto::GetCodeActions {
1781 project_id,
1782 buffer_id,
1783 start: Some(language::proto::serialize_anchor(&range.start)),
1784 end: Some(language::proto::serialize_anchor(&range.end)),
1785 })
1786 .await?;
1787
1788 buffer_handle
1789 .update(&mut cx, |buffer, _| {
1790 buffer.wait_for_version(response.version.into())
1791 })
1792 .await;
1793
1794 response
1795 .actions
1796 .into_iter()
1797 .map(language::proto::deserialize_code_action)
1798 .collect()
1799 })
1800 } else {
1801 Task::ready(Ok(Default::default()))
1802 }
1803 }
1804
1805 pub fn apply_code_action(
1806 &self,
1807 buffer_handle: ModelHandle<Buffer>,
1808 mut action: CodeAction,
1809 push_to_history: bool,
1810 cx: &mut ModelContext<Self>,
1811 ) -> Task<Result<ProjectTransaction>> {
1812 if self.is_local() {
1813 let buffer = buffer_handle.read(cx);
1814 let lang_name = if let Some(lang) = buffer.language() {
1815 lang.name().to_string()
1816 } else {
1817 return Task::ready(Ok(Default::default()));
1818 };
1819 let lang_server = if let Some(language_server) = buffer.language_server() {
1820 language_server.clone()
1821 } else {
1822 return Task::ready(Err(anyhow!("buffer does not have a language server")));
1823 };
1824 let range = action.range.to_point_utf16(buffer);
1825
1826 cx.spawn(|this, mut cx| async move {
1827 if let Some(lsp_range) = action
1828 .lsp_action
1829 .data
1830 .as_mut()
1831 .and_then(|d| d.get_mut("codeActionParams"))
1832 .and_then(|d| d.get_mut("range"))
1833 {
1834 *lsp_range = serde_json::to_value(&lsp::Range::new(
1835 range.start.to_lsp_position(),
1836 range.end.to_lsp_position(),
1837 ))
1838 .unwrap();
1839 action.lsp_action = lang_server
1840 .request::<lsp::request::CodeActionResolveRequest>(action.lsp_action)
1841 .await?;
1842 } else {
1843 let actions = this
1844 .update(&mut cx, |this, cx| {
1845 this.code_actions(&buffer_handle, action.range, cx)
1846 })
1847 .await?;
1848 action.lsp_action = actions
1849 .into_iter()
1850 .find(|a| a.lsp_action.title == action.lsp_action.title)
1851 .ok_or_else(|| anyhow!("code action is outdated"))?
1852 .lsp_action;
1853 }
1854
1855 if let Some(edit) = action.lsp_action.edit {
1856 Self::deserialize_workspace_edit(
1857 this,
1858 edit,
1859 push_to_history,
1860 lang_name,
1861 lang_server,
1862 &mut cx,
1863 )
1864 .await
1865 } else {
1866 Ok(ProjectTransaction::default())
1867 }
1868 })
1869 } else if let Some(project_id) = self.remote_id() {
1870 let client = self.client.clone();
1871 let request = proto::ApplyCodeAction {
1872 project_id,
1873 buffer_id: buffer_handle.read(cx).remote_id(),
1874 action: Some(language::proto::serialize_code_action(&action)),
1875 };
1876 cx.spawn(|this, mut cx| async move {
1877 let response = client
1878 .request(request)
1879 .await?
1880 .transaction
1881 .ok_or_else(|| anyhow!("missing transaction"))?;
1882 this.update(&mut cx, |this, cx| {
1883 this.deserialize_project_transaction(response, push_to_history, cx)
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<Result<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 if path_count == 0 {
2065 return Task::ready(Ok(Default::default()));
2066 }
2067 let workers = background.num_cpus().min(path_count);
2068 let (matching_paths_tx, mut matching_paths_rx) = smol::channel::bounded(1024);
2069 cx.background()
2070 .spawn({
2071 let fs = self.fs.clone();
2072 let background = cx.background().clone();
2073 let query = query.clone();
2074 async move {
2075 let fs = &fs;
2076 let query = &query;
2077 let matching_paths_tx = &matching_paths_tx;
2078 let paths_per_worker = (path_count + workers - 1) / workers;
2079 let snapshots = &snapshots;
2080 background
2081 .scoped(|scope| {
2082 for worker_ix in 0..workers {
2083 let worker_start_ix = worker_ix * paths_per_worker;
2084 let worker_end_ix = worker_start_ix + paths_per_worker;
2085 scope.spawn(async move {
2086 let mut snapshot_start_ix = 0;
2087 let mut abs_path = PathBuf::new();
2088 for snapshot in snapshots {
2089 let snapshot_end_ix =
2090 snapshot_start_ix + snapshot.visible_file_count();
2091 if worker_end_ix <= snapshot_start_ix {
2092 break;
2093 } else if worker_start_ix > snapshot_end_ix {
2094 snapshot_start_ix = snapshot_end_ix;
2095 continue;
2096 } else {
2097 let start_in_snapshot = worker_start_ix
2098 .saturating_sub(snapshot_start_ix);
2099 let end_in_snapshot =
2100 cmp::min(worker_end_ix, snapshot_end_ix)
2101 - snapshot_start_ix;
2102
2103 for entry in snapshot
2104 .files(false, start_in_snapshot)
2105 .take(end_in_snapshot - start_in_snapshot)
2106 {
2107 if matching_paths_tx.is_closed() {
2108 break;
2109 }
2110
2111 abs_path.clear();
2112 abs_path.push(&snapshot.abs_path());
2113 abs_path.push(&entry.path);
2114 let matches = if let Some(file) =
2115 fs.open_sync(&abs_path).await.log_err()
2116 {
2117 query.detect(file).unwrap_or(false)
2118 } else {
2119 false
2120 };
2121
2122 if matches {
2123 let project_path =
2124 (snapshot.id(), entry.path.clone());
2125 if matching_paths_tx
2126 .send(project_path)
2127 .await
2128 .is_err()
2129 {
2130 break;
2131 }
2132 }
2133 }
2134
2135 snapshot_start_ix = snapshot_end_ix;
2136 }
2137 }
2138 });
2139 }
2140 })
2141 .await;
2142 }
2143 })
2144 .detach();
2145
2146 let (buffers_tx, buffers_rx) = smol::channel::bounded(1024);
2147 let open_buffers = self
2148 .opened_buffers
2149 .values()
2150 .filter_map(|b| b.upgrade(cx))
2151 .collect::<HashSet<_>>();
2152 cx.spawn(|this, cx| async move {
2153 for buffer in &open_buffers {
2154 let snapshot = buffer.read_with(&cx, |buffer, _| buffer.snapshot());
2155 buffers_tx.send((buffer.clone(), snapshot)).await?;
2156 }
2157
2158 let open_buffers = Rc::new(RefCell::new(open_buffers));
2159 while let Some(project_path) = matching_paths_rx.next().await {
2160 if buffers_tx.is_closed() {
2161 break;
2162 }
2163
2164 let this = this.clone();
2165 let open_buffers = open_buffers.clone();
2166 let buffers_tx = buffers_tx.clone();
2167 cx.spawn(|mut cx| async move {
2168 if let Some(buffer) = this
2169 .update(&mut cx, |this, cx| this.open_buffer(project_path, cx))
2170 .await
2171 .log_err()
2172 {
2173 if open_buffers.borrow_mut().insert(buffer.clone()) {
2174 let snapshot = buffer.read_with(&cx, |buffer, _| buffer.snapshot());
2175 buffers_tx.send((buffer, snapshot)).await?;
2176 }
2177 }
2178
2179 Ok::<_, anyhow::Error>(())
2180 })
2181 .detach();
2182 }
2183
2184 Ok::<_, anyhow::Error>(())
2185 })
2186 .detach_and_log_err(cx);
2187
2188 let background = cx.background().clone();
2189 cx.background().spawn(async move {
2190 let query = &query;
2191 let mut matched_buffers = Vec::new();
2192 for _ in 0..workers {
2193 matched_buffers.push(HashMap::default());
2194 }
2195 background
2196 .scoped(|scope| {
2197 for worker_matched_buffers in matched_buffers.iter_mut() {
2198 let mut buffers_rx = buffers_rx.clone();
2199 scope.spawn(async move {
2200 while let Some((buffer, snapshot)) = buffers_rx.next().await {
2201 let buffer_matches = query
2202 .search(snapshot.as_rope())
2203 .await
2204 .iter()
2205 .map(|range| {
2206 snapshot.anchor_before(range.start)
2207 ..snapshot.anchor_after(range.end)
2208 })
2209 .collect::<Vec<_>>();
2210 if !buffer_matches.is_empty() {
2211 worker_matched_buffers
2212 .insert(buffer.clone(), buffer_matches);
2213 }
2214 }
2215 });
2216 }
2217 })
2218 .await;
2219 Ok(matched_buffers.into_iter().flatten().collect())
2220 })
2221 } else if let Some(project_id) = self.remote_id() {
2222 let request = self.client.request(query.to_proto(project_id));
2223 cx.spawn(|this, mut cx| async move {
2224 let response = request.await?;
2225 let mut result = HashMap::default();
2226 for location in response.locations {
2227 let buffer = location.buffer.ok_or_else(|| anyhow!("missing buffer"))?;
2228 let target_buffer = this
2229 .update(&mut cx, |this, cx| this.deserialize_buffer(buffer, cx))
2230 .await?;
2231 let start = location
2232 .start
2233 .and_then(deserialize_anchor)
2234 .ok_or_else(|| anyhow!("missing target start"))?;
2235 let end = location
2236 .end
2237 .and_then(deserialize_anchor)
2238 .ok_or_else(|| anyhow!("missing target end"))?;
2239 result
2240 .entry(target_buffer)
2241 .or_insert(Vec::new())
2242 .push(start..end)
2243 }
2244 Ok(result)
2245 })
2246 } else {
2247 Task::ready(Ok(Default::default()))
2248 }
2249 }
2250
2251 fn request_lsp<R: LspCommand>(
2252 &self,
2253 buffer_handle: ModelHandle<Buffer>,
2254 request: R,
2255 cx: &mut ModelContext<Self>,
2256 ) -> Task<Result<R::Response>>
2257 where
2258 <R::LspRequest as lsp::request::Request>::Result: Send,
2259 {
2260 let buffer = buffer_handle.read(cx);
2261 if self.is_local() {
2262 let file = File::from_dyn(buffer.file()).and_then(File::as_local);
2263 if let Some((file, language_server)) = file.zip(buffer.language_server().cloned()) {
2264 let lsp_params = request.to_lsp(&file.abs_path(cx), cx);
2265 return cx.spawn(|this, cx| async move {
2266 if !language_server
2267 .capabilities()
2268 .borrow()
2269 .as_ref()
2270 .map_or(false, |capabilities| {
2271 request.check_capabilities(capabilities)
2272 })
2273 {
2274 return Ok(Default::default());
2275 }
2276
2277 let response = language_server
2278 .request::<R::LspRequest>(lsp_params)
2279 .await
2280 .context("lsp request failed")?;
2281 request
2282 .response_from_lsp(response, this, buffer_handle, cx)
2283 .await
2284 });
2285 }
2286 } else if let Some(project_id) = self.remote_id() {
2287 let rpc = self.client.clone();
2288 let message = request.to_proto(project_id, buffer);
2289 return cx.spawn(|this, cx| async move {
2290 let response = rpc.request(message).await?;
2291 request
2292 .response_from_proto(response, this, buffer_handle, cx)
2293 .await
2294 });
2295 }
2296 Task::ready(Ok(Default::default()))
2297 }
2298
2299 pub fn find_or_create_local_worktree(
2300 &self,
2301 abs_path: impl AsRef<Path>,
2302 weak: bool,
2303 cx: &mut ModelContext<Self>,
2304 ) -> Task<Result<(ModelHandle<Worktree>, PathBuf)>> {
2305 let abs_path = abs_path.as_ref();
2306 if let Some((tree, relative_path)) = self.find_local_worktree(abs_path, cx) {
2307 Task::ready(Ok((tree.clone(), relative_path.into())))
2308 } else {
2309 let worktree = self.create_local_worktree(abs_path, weak, cx);
2310 cx.foreground()
2311 .spawn(async move { Ok((worktree.await?, PathBuf::new())) })
2312 }
2313 }
2314
2315 pub fn find_local_worktree(
2316 &self,
2317 abs_path: &Path,
2318 cx: &AppContext,
2319 ) -> Option<(ModelHandle<Worktree>, PathBuf)> {
2320 for tree in self.worktrees(cx) {
2321 if let Some(relative_path) = tree
2322 .read(cx)
2323 .as_local()
2324 .and_then(|t| abs_path.strip_prefix(t.abs_path()).ok())
2325 {
2326 return Some((tree.clone(), relative_path.into()));
2327 }
2328 }
2329 None
2330 }
2331
2332 pub fn is_shared(&self) -> bool {
2333 match &self.client_state {
2334 ProjectClientState::Local { is_shared, .. } => *is_shared,
2335 ProjectClientState::Remote { .. } => false,
2336 }
2337 }
2338
2339 fn create_local_worktree(
2340 &self,
2341 abs_path: impl AsRef<Path>,
2342 weak: bool,
2343 cx: &mut ModelContext<Self>,
2344 ) -> Task<Result<ModelHandle<Worktree>>> {
2345 let fs = self.fs.clone();
2346 let client = self.client.clone();
2347 let path = Arc::from(abs_path.as_ref());
2348 cx.spawn(|project, mut cx| async move {
2349 let worktree = Worktree::local(client.clone(), path, weak, fs, &mut cx).await?;
2350
2351 let (remote_project_id, is_shared) = project.update(&mut cx, |project, cx| {
2352 project.add_worktree(&worktree, cx);
2353 (project.remote_id(), project.is_shared())
2354 });
2355
2356 if let Some(project_id) = remote_project_id {
2357 worktree
2358 .update(&mut cx, |worktree, cx| {
2359 worktree.as_local_mut().unwrap().register(project_id, cx)
2360 })
2361 .await?;
2362 if is_shared {
2363 worktree
2364 .update(&mut cx, |worktree, cx| {
2365 worktree.as_local_mut().unwrap().share(project_id, cx)
2366 })
2367 .await?;
2368 }
2369 }
2370
2371 Ok(worktree)
2372 })
2373 }
2374
2375 pub fn remove_worktree(&mut self, id: WorktreeId, cx: &mut ModelContext<Self>) {
2376 self.worktrees.retain(|worktree| {
2377 worktree
2378 .upgrade(cx)
2379 .map_or(false, |w| w.read(cx).id() != id)
2380 });
2381 cx.notify();
2382 }
2383
2384 fn add_worktree(&mut self, worktree: &ModelHandle<Worktree>, cx: &mut ModelContext<Self>) {
2385 cx.observe(&worktree, |_, _, cx| cx.notify()).detach();
2386 if worktree.read(cx).is_local() {
2387 cx.subscribe(&worktree, |this, worktree, _, cx| {
2388 this.update_local_worktree_buffers(worktree, cx);
2389 })
2390 .detach();
2391 }
2392
2393 let push_weak_handle = {
2394 let worktree = worktree.read(cx);
2395 worktree.is_local() && worktree.is_weak()
2396 };
2397 if push_weak_handle {
2398 cx.observe_release(&worktree, |this, cx| {
2399 this.worktrees
2400 .retain(|worktree| worktree.upgrade(cx).is_some());
2401 cx.notify();
2402 })
2403 .detach();
2404 self.worktrees
2405 .push(WorktreeHandle::Weak(worktree.downgrade()));
2406 } else {
2407 self.worktrees
2408 .push(WorktreeHandle::Strong(worktree.clone()));
2409 }
2410 cx.notify();
2411 }
2412
2413 fn update_local_worktree_buffers(
2414 &mut self,
2415 worktree_handle: ModelHandle<Worktree>,
2416 cx: &mut ModelContext<Self>,
2417 ) {
2418 let snapshot = worktree_handle.read(cx).snapshot();
2419 let mut buffers_to_delete = Vec::new();
2420 for (buffer_id, buffer) in &self.opened_buffers {
2421 if let Some(buffer) = buffer.upgrade(cx) {
2422 buffer.update(cx, |buffer, cx| {
2423 if let Some(old_file) = File::from_dyn(buffer.file()) {
2424 if old_file.worktree != worktree_handle {
2425 return;
2426 }
2427
2428 let new_file = if let Some(entry) = old_file
2429 .entry_id
2430 .and_then(|entry_id| snapshot.entry_for_id(entry_id))
2431 {
2432 File {
2433 is_local: true,
2434 entry_id: Some(entry.id),
2435 mtime: entry.mtime,
2436 path: entry.path.clone(),
2437 worktree: worktree_handle.clone(),
2438 }
2439 } else if let Some(entry) =
2440 snapshot.entry_for_path(old_file.path().as_ref())
2441 {
2442 File {
2443 is_local: true,
2444 entry_id: Some(entry.id),
2445 mtime: entry.mtime,
2446 path: entry.path.clone(),
2447 worktree: worktree_handle.clone(),
2448 }
2449 } else {
2450 File {
2451 is_local: true,
2452 entry_id: None,
2453 path: old_file.path().clone(),
2454 mtime: old_file.mtime(),
2455 worktree: worktree_handle.clone(),
2456 }
2457 };
2458
2459 if let Some(project_id) = self.remote_id() {
2460 self.client
2461 .send(proto::UpdateBufferFile {
2462 project_id,
2463 buffer_id: *buffer_id as u64,
2464 file: Some(new_file.to_proto()),
2465 })
2466 .log_err();
2467 }
2468 buffer.file_updated(Box::new(new_file), cx).detach();
2469 }
2470 });
2471 } else {
2472 buffers_to_delete.push(*buffer_id);
2473 }
2474 }
2475
2476 for buffer_id in buffers_to_delete {
2477 self.opened_buffers.remove(&buffer_id);
2478 }
2479 }
2480
2481 pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut ModelContext<Self>) {
2482 let new_active_entry = entry.and_then(|project_path| {
2483 let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
2484 let entry = worktree.read(cx).entry_for_path(project_path.path)?;
2485 Some(ProjectEntry {
2486 worktree_id: project_path.worktree_id,
2487 entry_id: entry.id,
2488 })
2489 });
2490 if new_active_entry != self.active_entry {
2491 self.active_entry = new_active_entry;
2492 cx.emit(Event::ActiveEntryChanged(new_active_entry));
2493 }
2494 }
2495
2496 pub fn is_running_disk_based_diagnostics(&self) -> bool {
2497 self.language_servers_with_diagnostics_running > 0
2498 }
2499
2500 pub fn diagnostic_summary(&self, cx: &AppContext) -> DiagnosticSummary {
2501 let mut summary = DiagnosticSummary::default();
2502 for (_, path_summary) in self.diagnostic_summaries(cx) {
2503 summary.error_count += path_summary.error_count;
2504 summary.warning_count += path_summary.warning_count;
2505 summary.info_count += path_summary.info_count;
2506 summary.hint_count += path_summary.hint_count;
2507 }
2508 summary
2509 }
2510
2511 pub fn diagnostic_summaries<'a>(
2512 &'a self,
2513 cx: &'a AppContext,
2514 ) -> impl Iterator<Item = (ProjectPath, DiagnosticSummary)> + 'a {
2515 self.worktrees(cx).flat_map(move |worktree| {
2516 let worktree = worktree.read(cx);
2517 let worktree_id = worktree.id();
2518 worktree
2519 .diagnostic_summaries()
2520 .map(move |(path, summary)| (ProjectPath { worktree_id, path }, summary))
2521 })
2522 }
2523
2524 pub fn disk_based_diagnostics_started(&mut self, cx: &mut ModelContext<Self>) {
2525 self.language_servers_with_diagnostics_running += 1;
2526 if self.language_servers_with_diagnostics_running == 1 {
2527 cx.emit(Event::DiskBasedDiagnosticsStarted);
2528 }
2529 }
2530
2531 pub fn disk_based_diagnostics_finished(&mut self, cx: &mut ModelContext<Self>) {
2532 cx.emit(Event::DiskBasedDiagnosticsUpdated);
2533 self.language_servers_with_diagnostics_running -= 1;
2534 if self.language_servers_with_diagnostics_running == 0 {
2535 cx.emit(Event::DiskBasedDiagnosticsFinished);
2536 }
2537 }
2538
2539 pub fn active_entry(&self) -> Option<ProjectEntry> {
2540 self.active_entry
2541 }
2542
2543 // RPC message handlers
2544
2545 async fn handle_unshare_project(
2546 this: ModelHandle<Self>,
2547 _: TypedEnvelope<proto::UnshareProject>,
2548 _: Arc<Client>,
2549 mut cx: AsyncAppContext,
2550 ) -> Result<()> {
2551 this.update(&mut cx, |this, cx| {
2552 if let ProjectClientState::Remote {
2553 sharing_has_stopped,
2554 ..
2555 } = &mut this.client_state
2556 {
2557 *sharing_has_stopped = true;
2558 this.collaborators.clear();
2559 cx.notify();
2560 } else {
2561 unreachable!()
2562 }
2563 });
2564
2565 Ok(())
2566 }
2567
2568 async fn handle_add_collaborator(
2569 this: ModelHandle<Self>,
2570 mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
2571 _: Arc<Client>,
2572 mut cx: AsyncAppContext,
2573 ) -> Result<()> {
2574 let user_store = this.read_with(&cx, |this, _| this.user_store.clone());
2575 let collaborator = envelope
2576 .payload
2577 .collaborator
2578 .take()
2579 .ok_or_else(|| anyhow!("empty collaborator"))?;
2580
2581 let collaborator = Collaborator::from_proto(collaborator, &user_store, &mut cx).await?;
2582 this.update(&mut cx, |this, cx| {
2583 this.collaborators
2584 .insert(collaborator.peer_id, collaborator);
2585 cx.notify();
2586 });
2587
2588 Ok(())
2589 }
2590
2591 async fn handle_remove_collaborator(
2592 this: ModelHandle<Self>,
2593 envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
2594 _: Arc<Client>,
2595 mut cx: AsyncAppContext,
2596 ) -> Result<()> {
2597 this.update(&mut cx, |this, cx| {
2598 let peer_id = PeerId(envelope.payload.peer_id);
2599 let replica_id = this
2600 .collaborators
2601 .remove(&peer_id)
2602 .ok_or_else(|| anyhow!("unknown peer {:?}", peer_id))?
2603 .replica_id;
2604 for (_, buffer) in &this.opened_buffers {
2605 if let Some(buffer) = buffer.upgrade(cx) {
2606 buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
2607 }
2608 }
2609 cx.notify();
2610 Ok(())
2611 })
2612 }
2613
2614 async fn handle_register_worktree(
2615 this: ModelHandle<Self>,
2616 envelope: TypedEnvelope<proto::RegisterWorktree>,
2617 client: Arc<Client>,
2618 mut cx: AsyncAppContext,
2619 ) -> Result<()> {
2620 this.update(&mut cx, |this, cx| {
2621 let remote_id = this.remote_id().ok_or_else(|| anyhow!("invalid project"))?;
2622 let replica_id = this.replica_id();
2623 let worktree = proto::Worktree {
2624 id: envelope.payload.worktree_id,
2625 root_name: envelope.payload.root_name,
2626 entries: Default::default(),
2627 diagnostic_summaries: Default::default(),
2628 weak: envelope.payload.weak,
2629 };
2630 let (worktree, load_task) =
2631 Worktree::remote(remote_id, replica_id, worktree, client, cx);
2632 this.add_worktree(&worktree, cx);
2633 load_task.detach();
2634 Ok(())
2635 })
2636 }
2637
2638 async fn handle_unregister_worktree(
2639 this: ModelHandle<Self>,
2640 envelope: TypedEnvelope<proto::UnregisterWorktree>,
2641 _: Arc<Client>,
2642 mut cx: AsyncAppContext,
2643 ) -> Result<()> {
2644 this.update(&mut cx, |this, cx| {
2645 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
2646 this.remove_worktree(worktree_id, cx);
2647 Ok(())
2648 })
2649 }
2650
2651 async fn handle_update_worktree(
2652 this: ModelHandle<Self>,
2653 envelope: TypedEnvelope<proto::UpdateWorktree>,
2654 _: Arc<Client>,
2655 mut cx: AsyncAppContext,
2656 ) -> Result<()> {
2657 this.update(&mut cx, |this, cx| {
2658 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
2659 if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
2660 worktree.update(cx, |worktree, _| {
2661 let worktree = worktree.as_remote_mut().unwrap();
2662 worktree.update_from_remote(envelope)
2663 })?;
2664 }
2665 Ok(())
2666 })
2667 }
2668
2669 async fn handle_update_diagnostic_summary(
2670 this: ModelHandle<Self>,
2671 envelope: TypedEnvelope<proto::UpdateDiagnosticSummary>,
2672 _: Arc<Client>,
2673 mut cx: AsyncAppContext,
2674 ) -> Result<()> {
2675 this.update(&mut cx, |this, cx| {
2676 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
2677 if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
2678 if let Some(summary) = envelope.payload.summary {
2679 let project_path = ProjectPath {
2680 worktree_id,
2681 path: Path::new(&summary.path).into(),
2682 };
2683 worktree.update(cx, |worktree, _| {
2684 worktree
2685 .as_remote_mut()
2686 .unwrap()
2687 .update_diagnostic_summary(project_path.path.clone(), &summary);
2688 });
2689 cx.emit(Event::DiagnosticsUpdated(project_path));
2690 }
2691 }
2692 Ok(())
2693 })
2694 }
2695
2696 async fn handle_disk_based_diagnostics_updating(
2697 this: ModelHandle<Self>,
2698 _: TypedEnvelope<proto::DiskBasedDiagnosticsUpdating>,
2699 _: Arc<Client>,
2700 mut cx: AsyncAppContext,
2701 ) -> Result<()> {
2702 this.update(&mut cx, |this, cx| this.disk_based_diagnostics_started(cx));
2703 Ok(())
2704 }
2705
2706 async fn handle_disk_based_diagnostics_updated(
2707 this: ModelHandle<Self>,
2708 _: TypedEnvelope<proto::DiskBasedDiagnosticsUpdated>,
2709 _: Arc<Client>,
2710 mut cx: AsyncAppContext,
2711 ) -> Result<()> {
2712 this.update(&mut cx, |this, cx| this.disk_based_diagnostics_finished(cx));
2713 Ok(())
2714 }
2715
2716 async fn handle_update_buffer(
2717 this: ModelHandle<Self>,
2718 envelope: TypedEnvelope<proto::UpdateBuffer>,
2719 _: Arc<Client>,
2720 mut cx: AsyncAppContext,
2721 ) -> Result<()> {
2722 this.update(&mut cx, |this, cx| {
2723 let payload = envelope.payload.clone();
2724 let buffer_id = payload.buffer_id;
2725 let ops = payload
2726 .operations
2727 .into_iter()
2728 .map(|op| language::proto::deserialize_operation(op))
2729 .collect::<Result<Vec<_>, _>>()?;
2730 match this.opened_buffers.entry(buffer_id) {
2731 hash_map::Entry::Occupied(mut e) => match e.get_mut() {
2732 OpenBuffer::Strong(buffer) => {
2733 buffer.update(cx, |buffer, cx| buffer.apply_ops(ops, cx))?;
2734 }
2735 OpenBuffer::Loading(operations) => operations.extend_from_slice(&ops),
2736 _ => unreachable!(),
2737 },
2738 hash_map::Entry::Vacant(e) => {
2739 e.insert(OpenBuffer::Loading(ops));
2740 }
2741 }
2742 Ok(())
2743 })
2744 }
2745
2746 async fn handle_update_buffer_file(
2747 this: ModelHandle<Self>,
2748 envelope: TypedEnvelope<proto::UpdateBufferFile>,
2749 _: Arc<Client>,
2750 mut cx: AsyncAppContext,
2751 ) -> Result<()> {
2752 this.update(&mut cx, |this, cx| {
2753 let payload = envelope.payload.clone();
2754 let buffer_id = payload.buffer_id;
2755 let file = payload.file.ok_or_else(|| anyhow!("invalid file"))?;
2756 let worktree = this
2757 .worktree_for_id(WorktreeId::from_proto(file.worktree_id), cx)
2758 .ok_or_else(|| anyhow!("no such worktree"))?;
2759 let file = File::from_proto(file, worktree.clone(), cx)?;
2760 let buffer = this
2761 .opened_buffers
2762 .get_mut(&buffer_id)
2763 .and_then(|b| b.upgrade(cx))
2764 .ok_or_else(|| anyhow!("no such buffer"))?;
2765 buffer.update(cx, |buffer, cx| {
2766 buffer.file_updated(Box::new(file), cx).detach();
2767 });
2768 Ok(())
2769 })
2770 }
2771
2772 async fn handle_save_buffer(
2773 this: ModelHandle<Self>,
2774 envelope: TypedEnvelope<proto::SaveBuffer>,
2775 _: Arc<Client>,
2776 mut cx: AsyncAppContext,
2777 ) -> Result<proto::BufferSaved> {
2778 let buffer_id = envelope.payload.buffer_id;
2779 let requested_version = envelope.payload.version.try_into()?;
2780
2781 let (project_id, buffer) = this.update(&mut cx, |this, cx| {
2782 let project_id = this.remote_id().ok_or_else(|| anyhow!("not connected"))?;
2783 let buffer = this
2784 .opened_buffers
2785 .get(&buffer_id)
2786 .map(|buffer| buffer.upgrade(cx).unwrap())
2787 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))?;
2788 Ok::<_, anyhow::Error>((project_id, buffer))
2789 })?;
2790
2791 if !buffer
2792 .read_with(&cx, |buffer, _| buffer.version())
2793 .observed_all(&requested_version)
2794 {
2795 Err(anyhow!("save request depends on unreceived edits"))?;
2796 }
2797
2798 let (saved_version, mtime) = buffer.update(&mut cx, |buffer, cx| buffer.save(cx)).await?;
2799 Ok(proto::BufferSaved {
2800 project_id,
2801 buffer_id,
2802 version: (&saved_version).into(),
2803 mtime: Some(mtime.into()),
2804 })
2805 }
2806
2807 async fn handle_format_buffers(
2808 this: ModelHandle<Self>,
2809 envelope: TypedEnvelope<proto::FormatBuffers>,
2810 _: Arc<Client>,
2811 mut cx: AsyncAppContext,
2812 ) -> Result<proto::FormatBuffersResponse> {
2813 let sender_id = envelope.original_sender_id()?;
2814 let format = this.update(&mut cx, |this, cx| {
2815 let mut buffers = HashSet::default();
2816 for buffer_id in &envelope.payload.buffer_ids {
2817 buffers.insert(
2818 this.opened_buffers
2819 .get(buffer_id)
2820 .map(|buffer| buffer.upgrade(cx).unwrap())
2821 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))?,
2822 );
2823 }
2824 Ok::<_, anyhow::Error>(this.format(buffers, false, cx))
2825 })?;
2826
2827 let project_transaction = format.await?;
2828 let project_transaction = this.update(&mut cx, |this, cx| {
2829 this.serialize_project_transaction_for_peer(project_transaction, sender_id, cx)
2830 });
2831 Ok(proto::FormatBuffersResponse {
2832 transaction: Some(project_transaction),
2833 })
2834 }
2835
2836 async fn handle_get_completions(
2837 this: ModelHandle<Self>,
2838 envelope: TypedEnvelope<proto::GetCompletions>,
2839 _: Arc<Client>,
2840 mut cx: AsyncAppContext,
2841 ) -> Result<proto::GetCompletionsResponse> {
2842 let position = envelope
2843 .payload
2844 .position
2845 .and_then(language::proto::deserialize_anchor)
2846 .ok_or_else(|| anyhow!("invalid position"))?;
2847 let version = clock::Global::from(envelope.payload.version);
2848 let buffer = this.read_with(&cx, |this, cx| {
2849 this.opened_buffers
2850 .get(&envelope.payload.buffer_id)
2851 .map(|buffer| buffer.upgrade(cx).unwrap())
2852 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))
2853 })?;
2854 if !buffer
2855 .read_with(&cx, |buffer, _| buffer.version())
2856 .observed_all(&version)
2857 {
2858 Err(anyhow!("completion request depends on unreceived edits"))?;
2859 }
2860 let version = buffer.read_with(&cx, |buffer, _| buffer.version());
2861 let completions = this
2862 .update(&mut cx, |this, cx| this.completions(&buffer, position, cx))
2863 .await?;
2864
2865 Ok(proto::GetCompletionsResponse {
2866 completions: completions
2867 .iter()
2868 .map(language::proto::serialize_completion)
2869 .collect(),
2870 version: (&version).into(),
2871 })
2872 }
2873
2874 async fn handle_apply_additional_edits_for_completion(
2875 this: ModelHandle<Self>,
2876 envelope: TypedEnvelope<proto::ApplyCompletionAdditionalEdits>,
2877 _: Arc<Client>,
2878 mut cx: AsyncAppContext,
2879 ) -> Result<proto::ApplyCompletionAdditionalEditsResponse> {
2880 let apply_additional_edits = this.update(&mut cx, |this, cx| {
2881 let buffer = this
2882 .opened_buffers
2883 .get(&envelope.payload.buffer_id)
2884 .map(|buffer| buffer.upgrade(cx).unwrap())
2885 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
2886 let language = buffer.read(cx).language();
2887 let completion = language::proto::deserialize_completion(
2888 envelope
2889 .payload
2890 .completion
2891 .ok_or_else(|| anyhow!("invalid completion"))?,
2892 language,
2893 )?;
2894 Ok::<_, anyhow::Error>(
2895 this.apply_additional_edits_for_completion(buffer, completion, false, cx),
2896 )
2897 })?;
2898
2899 Ok(proto::ApplyCompletionAdditionalEditsResponse {
2900 transaction: apply_additional_edits
2901 .await?
2902 .as_ref()
2903 .map(language::proto::serialize_transaction),
2904 })
2905 }
2906
2907 async fn handle_get_code_actions(
2908 this: ModelHandle<Self>,
2909 envelope: TypedEnvelope<proto::GetCodeActions>,
2910 _: Arc<Client>,
2911 mut cx: AsyncAppContext,
2912 ) -> Result<proto::GetCodeActionsResponse> {
2913 let start = envelope
2914 .payload
2915 .start
2916 .and_then(language::proto::deserialize_anchor)
2917 .ok_or_else(|| anyhow!("invalid start"))?;
2918 let end = envelope
2919 .payload
2920 .end
2921 .and_then(language::proto::deserialize_anchor)
2922 .ok_or_else(|| anyhow!("invalid end"))?;
2923 let buffer = this.update(&mut cx, |this, cx| {
2924 this.opened_buffers
2925 .get(&envelope.payload.buffer_id)
2926 .map(|buffer| buffer.upgrade(cx).unwrap())
2927 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))
2928 })?;
2929 let version = buffer.read_with(&cx, |buffer, _| buffer.version());
2930 if !version.observed(start.timestamp) || !version.observed(end.timestamp) {
2931 Err(anyhow!("code action request references unreceived edits"))?;
2932 }
2933 let code_actions = this.update(&mut cx, |this, cx| {
2934 Ok::<_, anyhow::Error>(this.code_actions(&buffer, start..end, cx))
2935 })?;
2936
2937 Ok(proto::GetCodeActionsResponse {
2938 actions: code_actions
2939 .await?
2940 .iter()
2941 .map(language::proto::serialize_code_action)
2942 .collect(),
2943 version: (&version).into(),
2944 })
2945 }
2946
2947 async fn handle_apply_code_action(
2948 this: ModelHandle<Self>,
2949 envelope: TypedEnvelope<proto::ApplyCodeAction>,
2950 _: Arc<Client>,
2951 mut cx: AsyncAppContext,
2952 ) -> Result<proto::ApplyCodeActionResponse> {
2953 let sender_id = envelope.original_sender_id()?;
2954 let action = language::proto::deserialize_code_action(
2955 envelope
2956 .payload
2957 .action
2958 .ok_or_else(|| anyhow!("invalid action"))?,
2959 )?;
2960 let apply_code_action = this.update(&mut cx, |this, cx| {
2961 let buffer = this
2962 .opened_buffers
2963 .get(&envelope.payload.buffer_id)
2964 .map(|buffer| buffer.upgrade(cx).unwrap())
2965 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
2966 Ok::<_, anyhow::Error>(this.apply_code_action(buffer, action, false, cx))
2967 })?;
2968
2969 let project_transaction = apply_code_action.await?;
2970 let project_transaction = this.update(&mut cx, |this, cx| {
2971 this.serialize_project_transaction_for_peer(project_transaction, sender_id, cx)
2972 });
2973 Ok(proto::ApplyCodeActionResponse {
2974 transaction: Some(project_transaction),
2975 })
2976 }
2977
2978 async fn handle_lsp_command<T: LspCommand>(
2979 this: ModelHandle<Self>,
2980 envelope: TypedEnvelope<T::ProtoRequest>,
2981 _: Arc<Client>,
2982 mut cx: AsyncAppContext,
2983 ) -> Result<<T::ProtoRequest as proto::RequestMessage>::Response>
2984 where
2985 <T::LspRequest as lsp::request::Request>::Result: Send,
2986 {
2987 let sender_id = envelope.original_sender_id()?;
2988 let (request, buffer_version) = this.update(&mut cx, |this, cx| {
2989 let buffer_id = T::buffer_id_from_proto(&envelope.payload);
2990 let buffer_handle = this
2991 .opened_buffers
2992 .get(&buffer_id)
2993 .map(|buffer| buffer.upgrade(cx).unwrap())
2994 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))?;
2995 let buffer = buffer_handle.read(cx);
2996 let buffer_version = buffer.version();
2997 let request = T::from_proto(envelope.payload, this, buffer)?;
2998 Ok::<_, anyhow::Error>((this.request_lsp(buffer_handle, request, cx), buffer_version))
2999 })?;
3000 let response = request.await?;
3001 this.update(&mut cx, |this, cx| {
3002 Ok(T::response_to_proto(
3003 response,
3004 this,
3005 sender_id,
3006 &buffer_version,
3007 cx,
3008 ))
3009 })
3010 }
3011
3012 async fn handle_get_project_symbols(
3013 this: ModelHandle<Self>,
3014 envelope: TypedEnvelope<proto::GetProjectSymbols>,
3015 _: Arc<Client>,
3016 mut cx: AsyncAppContext,
3017 ) -> Result<proto::GetProjectSymbolsResponse> {
3018 let symbols = this
3019 .update(&mut cx, |this, cx| {
3020 this.symbols(&envelope.payload.query, cx)
3021 })
3022 .await?;
3023
3024 Ok(proto::GetProjectSymbolsResponse {
3025 symbols: symbols.iter().map(serialize_symbol).collect(),
3026 })
3027 }
3028
3029 async fn handle_search_project(
3030 this: ModelHandle<Self>,
3031 envelope: TypedEnvelope<proto::SearchProject>,
3032 _: Arc<Client>,
3033 mut cx: AsyncAppContext,
3034 ) -> Result<proto::SearchProjectResponse> {
3035 let peer_id = envelope.original_sender_id()?;
3036 let query = SearchQuery::from_proto(envelope.payload)?;
3037 let result = this
3038 .update(&mut cx, |this, cx| this.search(query, cx))
3039 .await?;
3040
3041 this.update(&mut cx, |this, cx| {
3042 let mut locations = Vec::new();
3043 for (buffer, ranges) in result {
3044 for range in ranges {
3045 let start = serialize_anchor(&range.start);
3046 let end = serialize_anchor(&range.end);
3047 let buffer = this.serialize_buffer_for_peer(&buffer, peer_id, cx);
3048 locations.push(proto::Location {
3049 buffer: Some(buffer),
3050 start: Some(start),
3051 end: Some(end),
3052 });
3053 }
3054 }
3055 Ok(proto::SearchProjectResponse { locations })
3056 })
3057 }
3058
3059 async fn handle_open_buffer_for_symbol(
3060 this: ModelHandle<Self>,
3061 envelope: TypedEnvelope<proto::OpenBufferForSymbol>,
3062 _: Arc<Client>,
3063 mut cx: AsyncAppContext,
3064 ) -> Result<proto::OpenBufferForSymbolResponse> {
3065 let peer_id = envelope.original_sender_id()?;
3066 let symbol = envelope
3067 .payload
3068 .symbol
3069 .ok_or_else(|| anyhow!("invalid symbol"))?;
3070 let symbol = this.read_with(&cx, |this, _| {
3071 let symbol = this.deserialize_symbol(symbol)?;
3072 let signature = this.symbol_signature(symbol.worktree_id, &symbol.path);
3073 if signature == symbol.signature {
3074 Ok(symbol)
3075 } else {
3076 Err(anyhow!("invalid symbol signature"))
3077 }
3078 })?;
3079 let buffer = this
3080 .update(&mut cx, |this, cx| this.open_buffer_for_symbol(&symbol, cx))
3081 .await?;
3082
3083 Ok(proto::OpenBufferForSymbolResponse {
3084 buffer: Some(this.update(&mut cx, |this, cx| {
3085 this.serialize_buffer_for_peer(&buffer, peer_id, cx)
3086 })),
3087 })
3088 }
3089
3090 fn symbol_signature(&self, worktree_id: WorktreeId, path: &Path) -> [u8; 32] {
3091 let mut hasher = Sha256::new();
3092 hasher.update(worktree_id.to_proto().to_be_bytes());
3093 hasher.update(path.to_string_lossy().as_bytes());
3094 hasher.update(self.nonce.to_be_bytes());
3095 hasher.finalize().as_slice().try_into().unwrap()
3096 }
3097
3098 async fn handle_open_buffer(
3099 this: ModelHandle<Self>,
3100 envelope: TypedEnvelope<proto::OpenBuffer>,
3101 _: Arc<Client>,
3102 mut cx: AsyncAppContext,
3103 ) -> Result<proto::OpenBufferResponse> {
3104 let peer_id = envelope.original_sender_id()?;
3105 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
3106 let open_buffer = this.update(&mut cx, |this, cx| {
3107 this.open_buffer(
3108 ProjectPath {
3109 worktree_id,
3110 path: PathBuf::from(envelope.payload.path).into(),
3111 },
3112 cx,
3113 )
3114 });
3115
3116 let buffer = open_buffer.await?;
3117 this.update(&mut cx, |this, cx| {
3118 Ok(proto::OpenBufferResponse {
3119 buffer: Some(this.serialize_buffer_for_peer(&buffer, peer_id, cx)),
3120 })
3121 })
3122 }
3123
3124 fn serialize_project_transaction_for_peer(
3125 &mut self,
3126 project_transaction: ProjectTransaction,
3127 peer_id: PeerId,
3128 cx: &AppContext,
3129 ) -> proto::ProjectTransaction {
3130 let mut serialized_transaction = proto::ProjectTransaction {
3131 buffers: Default::default(),
3132 transactions: Default::default(),
3133 };
3134 for (buffer, transaction) in project_transaction.0 {
3135 serialized_transaction
3136 .buffers
3137 .push(self.serialize_buffer_for_peer(&buffer, peer_id, cx));
3138 serialized_transaction
3139 .transactions
3140 .push(language::proto::serialize_transaction(&transaction));
3141 }
3142 serialized_transaction
3143 }
3144
3145 fn deserialize_project_transaction(
3146 &mut self,
3147 message: proto::ProjectTransaction,
3148 push_to_history: bool,
3149 cx: &mut ModelContext<Self>,
3150 ) -> Task<Result<ProjectTransaction>> {
3151 cx.spawn(|this, mut cx| async move {
3152 let mut project_transaction = ProjectTransaction::default();
3153 for (buffer, transaction) in message.buffers.into_iter().zip(message.transactions) {
3154 let buffer = this
3155 .update(&mut cx, |this, cx| this.deserialize_buffer(buffer, cx))
3156 .await?;
3157 let transaction = language::proto::deserialize_transaction(transaction)?;
3158 project_transaction.0.insert(buffer, transaction);
3159 }
3160
3161 for (buffer, transaction) in &project_transaction.0 {
3162 buffer
3163 .update(&mut cx, |buffer, _| {
3164 buffer.wait_for_edits(transaction.edit_ids.iter().copied())
3165 })
3166 .await;
3167
3168 if push_to_history {
3169 buffer.update(&mut cx, |buffer, _| {
3170 buffer.push_transaction(transaction.clone(), Instant::now());
3171 });
3172 }
3173 }
3174
3175 Ok(project_transaction)
3176 })
3177 }
3178
3179 fn serialize_buffer_for_peer(
3180 &mut self,
3181 buffer: &ModelHandle<Buffer>,
3182 peer_id: PeerId,
3183 cx: &AppContext,
3184 ) -> proto::Buffer {
3185 let buffer_id = buffer.read(cx).remote_id();
3186 let shared_buffers = self.shared_buffers.entry(peer_id).or_default();
3187 if shared_buffers.insert(buffer_id) {
3188 proto::Buffer {
3189 variant: Some(proto::buffer::Variant::State(buffer.read(cx).to_proto())),
3190 }
3191 } else {
3192 proto::Buffer {
3193 variant: Some(proto::buffer::Variant::Id(buffer_id)),
3194 }
3195 }
3196 }
3197
3198 fn deserialize_buffer(
3199 &mut self,
3200 buffer: proto::Buffer,
3201 cx: &mut ModelContext<Self>,
3202 ) -> Task<Result<ModelHandle<Buffer>>> {
3203 let replica_id = self.replica_id();
3204
3205 let opened_buffer_tx = self.opened_buffer.0.clone();
3206 let mut opened_buffer_rx = self.opened_buffer.1.clone();
3207 cx.spawn(|this, mut cx| async move {
3208 match buffer.variant.ok_or_else(|| anyhow!("missing buffer"))? {
3209 proto::buffer::Variant::Id(id) => {
3210 let buffer = loop {
3211 let buffer = this.read_with(&cx, |this, cx| {
3212 this.opened_buffers
3213 .get(&id)
3214 .and_then(|buffer| buffer.upgrade(cx))
3215 });
3216 if let Some(buffer) = buffer {
3217 break buffer;
3218 }
3219 opened_buffer_rx
3220 .next()
3221 .await
3222 .ok_or_else(|| anyhow!("project dropped while waiting for buffer"))?;
3223 };
3224 Ok(buffer)
3225 }
3226 proto::buffer::Variant::State(mut buffer) => {
3227 let mut buffer_worktree = None;
3228 let mut buffer_file = None;
3229 if let Some(file) = buffer.file.take() {
3230 this.read_with(&cx, |this, cx| {
3231 let worktree_id = WorktreeId::from_proto(file.worktree_id);
3232 let worktree =
3233 this.worktree_for_id(worktree_id, cx).ok_or_else(|| {
3234 anyhow!("no worktree found for id {}", file.worktree_id)
3235 })?;
3236 buffer_file =
3237 Some(Box::new(File::from_proto(file, worktree.clone(), cx)?)
3238 as Box<dyn language::File>);
3239 buffer_worktree = Some(worktree);
3240 Ok::<_, anyhow::Error>(())
3241 })?;
3242 }
3243
3244 let buffer = cx.add_model(|cx| {
3245 Buffer::from_proto(replica_id, buffer, buffer_file, cx).unwrap()
3246 });
3247
3248 this.update(&mut cx, |this, cx| {
3249 this.register_buffer(&buffer, buffer_worktree.as_ref(), cx)
3250 })?;
3251
3252 *opened_buffer_tx.borrow_mut().borrow_mut() = ();
3253 Ok(buffer)
3254 }
3255 }
3256 })
3257 }
3258
3259 fn deserialize_symbol(&self, serialized_symbol: proto::Symbol) -> Result<Symbol> {
3260 let language = self
3261 .languages
3262 .get_language(&serialized_symbol.language_name);
3263 let start = serialized_symbol
3264 .start
3265 .ok_or_else(|| anyhow!("invalid start"))?;
3266 let end = serialized_symbol
3267 .end
3268 .ok_or_else(|| anyhow!("invalid end"))?;
3269 let kind = unsafe { mem::transmute(serialized_symbol.kind) };
3270 Ok(Symbol {
3271 source_worktree_id: WorktreeId::from_proto(serialized_symbol.source_worktree_id),
3272 worktree_id: WorktreeId::from_proto(serialized_symbol.worktree_id),
3273 language_name: serialized_symbol.language_name.clone(),
3274 label: language
3275 .and_then(|language| language.label_for_symbol(&serialized_symbol.name, kind))
3276 .unwrap_or_else(|| CodeLabel::plain(serialized_symbol.name.clone(), None)),
3277 name: serialized_symbol.name,
3278 path: PathBuf::from(serialized_symbol.path),
3279 range: PointUtf16::new(start.row, start.column)..PointUtf16::new(end.row, end.column),
3280 kind,
3281 signature: serialized_symbol
3282 .signature
3283 .try_into()
3284 .map_err(|_| anyhow!("invalid signature"))?,
3285 })
3286 }
3287
3288 async fn handle_close_buffer(
3289 _: ModelHandle<Self>,
3290 _: TypedEnvelope<proto::CloseBuffer>,
3291 _: Arc<Client>,
3292 _: AsyncAppContext,
3293 ) -> Result<()> {
3294 // TODO: use this for following
3295 Ok(())
3296 }
3297
3298 async fn handle_buffer_saved(
3299 this: ModelHandle<Self>,
3300 envelope: TypedEnvelope<proto::BufferSaved>,
3301 _: Arc<Client>,
3302 mut cx: AsyncAppContext,
3303 ) -> Result<()> {
3304 let version = envelope.payload.version.try_into()?;
3305 let mtime = envelope
3306 .payload
3307 .mtime
3308 .ok_or_else(|| anyhow!("missing mtime"))?
3309 .into();
3310
3311 this.update(&mut cx, |this, cx| {
3312 let buffer = this
3313 .opened_buffers
3314 .get(&envelope.payload.buffer_id)
3315 .and_then(|buffer| buffer.upgrade(cx));
3316 if let Some(buffer) = buffer {
3317 buffer.update(cx, |buffer, cx| {
3318 buffer.did_save(version, mtime, None, cx);
3319 });
3320 }
3321 Ok(())
3322 })
3323 }
3324
3325 async fn handle_buffer_reloaded(
3326 this: ModelHandle<Self>,
3327 envelope: TypedEnvelope<proto::BufferReloaded>,
3328 _: Arc<Client>,
3329 mut cx: AsyncAppContext,
3330 ) -> Result<()> {
3331 let payload = envelope.payload.clone();
3332 let version = payload.version.try_into()?;
3333 let mtime = payload
3334 .mtime
3335 .ok_or_else(|| anyhow!("missing mtime"))?
3336 .into();
3337 this.update(&mut cx, |this, cx| {
3338 let buffer = this
3339 .opened_buffers
3340 .get(&payload.buffer_id)
3341 .and_then(|buffer| buffer.upgrade(cx));
3342 if let Some(buffer) = buffer {
3343 buffer.update(cx, |buffer, cx| {
3344 buffer.did_reload(version, mtime, cx);
3345 });
3346 }
3347 Ok(())
3348 })
3349 }
3350
3351 pub fn match_paths<'a>(
3352 &self,
3353 query: &'a str,
3354 include_ignored: bool,
3355 smart_case: bool,
3356 max_results: usize,
3357 cancel_flag: &'a AtomicBool,
3358 cx: &AppContext,
3359 ) -> impl 'a + Future<Output = Vec<PathMatch>> {
3360 let worktrees = self
3361 .worktrees(cx)
3362 .filter(|worktree| !worktree.read(cx).is_weak())
3363 .collect::<Vec<_>>();
3364 let include_root_name = worktrees.len() > 1;
3365 let candidate_sets = worktrees
3366 .into_iter()
3367 .map(|worktree| CandidateSet {
3368 snapshot: worktree.read(cx).snapshot(),
3369 include_ignored,
3370 include_root_name,
3371 })
3372 .collect::<Vec<_>>();
3373
3374 let background = cx.background().clone();
3375 async move {
3376 fuzzy::match_paths(
3377 candidate_sets.as_slice(),
3378 query,
3379 smart_case,
3380 max_results,
3381 cancel_flag,
3382 background,
3383 )
3384 .await
3385 }
3386 }
3387}
3388
3389impl WorktreeHandle {
3390 pub fn upgrade(&self, cx: &AppContext) -> Option<ModelHandle<Worktree>> {
3391 match self {
3392 WorktreeHandle::Strong(handle) => Some(handle.clone()),
3393 WorktreeHandle::Weak(handle) => handle.upgrade(cx),
3394 }
3395 }
3396}
3397
3398impl OpenBuffer {
3399 pub fn upgrade(&self, cx: &impl UpgradeModelHandle) -> Option<ModelHandle<Buffer>> {
3400 match self {
3401 OpenBuffer::Strong(handle) => Some(handle.clone()),
3402 OpenBuffer::Weak(handle) => handle.upgrade(cx),
3403 OpenBuffer::Loading(_) => None,
3404 }
3405 }
3406}
3407
3408struct CandidateSet {
3409 snapshot: Snapshot,
3410 include_ignored: bool,
3411 include_root_name: bool,
3412}
3413
3414impl<'a> PathMatchCandidateSet<'a> for CandidateSet {
3415 type Candidates = CandidateSetIter<'a>;
3416
3417 fn id(&self) -> usize {
3418 self.snapshot.id().to_usize()
3419 }
3420
3421 fn len(&self) -> usize {
3422 if self.include_ignored {
3423 self.snapshot.file_count()
3424 } else {
3425 self.snapshot.visible_file_count()
3426 }
3427 }
3428
3429 fn prefix(&self) -> Arc<str> {
3430 if self.snapshot.root_entry().map_or(false, |e| e.is_file()) {
3431 self.snapshot.root_name().into()
3432 } else if self.include_root_name {
3433 format!("{}/", self.snapshot.root_name()).into()
3434 } else {
3435 "".into()
3436 }
3437 }
3438
3439 fn candidates(&'a self, start: usize) -> Self::Candidates {
3440 CandidateSetIter {
3441 traversal: self.snapshot.files(self.include_ignored, start),
3442 }
3443 }
3444}
3445
3446struct CandidateSetIter<'a> {
3447 traversal: Traversal<'a>,
3448}
3449
3450impl<'a> Iterator for CandidateSetIter<'a> {
3451 type Item = PathMatchCandidate<'a>;
3452
3453 fn next(&mut self) -> Option<Self::Item> {
3454 self.traversal.next().map(|entry| {
3455 if let EntryKind::File(char_bag) = entry.kind {
3456 PathMatchCandidate {
3457 path: &entry.path,
3458 char_bag,
3459 }
3460 } else {
3461 unreachable!()
3462 }
3463 })
3464 }
3465}
3466
3467impl Entity for Project {
3468 type Event = Event;
3469
3470 fn release(&mut self, _: &mut gpui::MutableAppContext) {
3471 match &self.client_state {
3472 ProjectClientState::Local { remote_id_rx, .. } => {
3473 if let Some(project_id) = *remote_id_rx.borrow() {
3474 self.client
3475 .send(proto::UnregisterProject { project_id })
3476 .log_err();
3477 }
3478 }
3479 ProjectClientState::Remote { remote_id, .. } => {
3480 self.client
3481 .send(proto::LeaveProject {
3482 project_id: *remote_id,
3483 })
3484 .log_err();
3485 }
3486 }
3487 }
3488
3489 fn app_will_quit(
3490 &mut self,
3491 _: &mut MutableAppContext,
3492 ) -> Option<std::pin::Pin<Box<dyn 'static + Future<Output = ()>>>> {
3493 let shutdown_futures = self
3494 .language_servers
3495 .drain()
3496 .filter_map(|(_, server)| server.shutdown())
3497 .collect::<Vec<_>>();
3498 Some(
3499 async move {
3500 futures::future::join_all(shutdown_futures).await;
3501 }
3502 .boxed(),
3503 )
3504 }
3505}
3506
3507impl Collaborator {
3508 fn from_proto(
3509 message: proto::Collaborator,
3510 user_store: &ModelHandle<UserStore>,
3511 cx: &mut AsyncAppContext,
3512 ) -> impl Future<Output = Result<Self>> {
3513 let user = user_store.update(cx, |user_store, cx| {
3514 user_store.fetch_user(message.user_id, cx)
3515 });
3516
3517 async move {
3518 Ok(Self {
3519 peer_id: PeerId(message.peer_id),
3520 user: user.await?,
3521 replica_id: message.replica_id as ReplicaId,
3522 })
3523 }
3524 }
3525}
3526
3527impl<P: AsRef<Path>> From<(WorktreeId, P)> for ProjectPath {
3528 fn from((worktree_id, path): (WorktreeId, P)) -> Self {
3529 Self {
3530 worktree_id,
3531 path: path.as_ref().into(),
3532 }
3533 }
3534}
3535
3536impl From<lsp::CreateFileOptions> for fs::CreateOptions {
3537 fn from(options: lsp::CreateFileOptions) -> Self {
3538 Self {
3539 overwrite: options.overwrite.unwrap_or(false),
3540 ignore_if_exists: options.ignore_if_exists.unwrap_or(false),
3541 }
3542 }
3543}
3544
3545impl From<lsp::RenameFileOptions> for fs::RenameOptions {
3546 fn from(options: lsp::RenameFileOptions) -> Self {
3547 Self {
3548 overwrite: options.overwrite.unwrap_or(false),
3549 ignore_if_exists: options.ignore_if_exists.unwrap_or(false),
3550 }
3551 }
3552}
3553
3554impl From<lsp::DeleteFileOptions> for fs::RemoveOptions {
3555 fn from(options: lsp::DeleteFileOptions) -> Self {
3556 Self {
3557 recursive: options.recursive.unwrap_or(false),
3558 ignore_if_not_exists: options.ignore_if_not_exists.unwrap_or(false),
3559 }
3560 }
3561}
3562
3563fn serialize_symbol(symbol: &Symbol) -> proto::Symbol {
3564 proto::Symbol {
3565 source_worktree_id: symbol.source_worktree_id.to_proto(),
3566 worktree_id: symbol.worktree_id.to_proto(),
3567 language_name: symbol.language_name.clone(),
3568 name: symbol.name.clone(),
3569 kind: unsafe { mem::transmute(symbol.kind) },
3570 path: symbol.path.to_string_lossy().to_string(),
3571 start: Some(proto::Point {
3572 row: symbol.range.start.row,
3573 column: symbol.range.start.column,
3574 }),
3575 end: Some(proto::Point {
3576 row: symbol.range.end.row,
3577 column: symbol.range.end.column,
3578 }),
3579 signature: symbol.signature.to_vec(),
3580 }
3581}
3582
3583fn relativize_path(base: &Path, path: &Path) -> PathBuf {
3584 let mut path_components = path.components();
3585 let mut base_components = base.components();
3586 let mut components: Vec<Component> = Vec::new();
3587 loop {
3588 match (path_components.next(), base_components.next()) {
3589 (None, None) => break,
3590 (Some(a), None) => {
3591 components.push(a);
3592 components.extend(path_components.by_ref());
3593 break;
3594 }
3595 (None, _) => components.push(Component::ParentDir),
3596 (Some(a), Some(b)) if components.is_empty() && a == b => (),
3597 (Some(a), Some(b)) if b == Component::CurDir => components.push(a),
3598 (Some(a), Some(_)) => {
3599 components.push(Component::ParentDir);
3600 for _ in base_components {
3601 components.push(Component::ParentDir);
3602 }
3603 components.push(a);
3604 components.extend(path_components.by_ref());
3605 break;
3606 }
3607 }
3608 }
3609 components.iter().map(|c| c.as_os_str()).collect()
3610}
3611
3612#[cfg(test)]
3613mod tests {
3614 use super::{Event, *};
3615 use fs::RealFs;
3616 use futures::StreamExt;
3617 use gpui::test::subscribe;
3618 use language::{
3619 tree_sitter_rust, AnchorRangeExt, Diagnostic, LanguageConfig, LanguageServerConfig, Point,
3620 };
3621 use lsp::Url;
3622 use serde_json::json;
3623 use std::{cell::RefCell, os::unix, path::PathBuf, rc::Rc};
3624 use unindent::Unindent as _;
3625 use util::test::temp_tree;
3626 use worktree::WorktreeHandle as _;
3627
3628 #[gpui::test]
3629 async fn test_populate_and_search(cx: &mut gpui::TestAppContext) {
3630 let dir = temp_tree(json!({
3631 "root": {
3632 "apple": "",
3633 "banana": {
3634 "carrot": {
3635 "date": "",
3636 "endive": "",
3637 }
3638 },
3639 "fennel": {
3640 "grape": "",
3641 }
3642 }
3643 }));
3644
3645 let root_link_path = dir.path().join("root_link");
3646 unix::fs::symlink(&dir.path().join("root"), &root_link_path).unwrap();
3647 unix::fs::symlink(
3648 &dir.path().join("root/fennel"),
3649 &dir.path().join("root/finnochio"),
3650 )
3651 .unwrap();
3652
3653 let project = Project::test(Arc::new(RealFs), cx);
3654
3655 let (tree, _) = project
3656 .update(cx, |project, cx| {
3657 project.find_or_create_local_worktree(&root_link_path, false, cx)
3658 })
3659 .await
3660 .unwrap();
3661
3662 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3663 .await;
3664 cx.read(|cx| {
3665 let tree = tree.read(cx);
3666 assert_eq!(tree.file_count(), 5);
3667 assert_eq!(
3668 tree.inode_for_path("fennel/grape"),
3669 tree.inode_for_path("finnochio/grape")
3670 );
3671 });
3672
3673 let cancel_flag = Default::default();
3674 let results = project
3675 .read_with(cx, |project, cx| {
3676 project.match_paths("bna", false, false, 10, &cancel_flag, cx)
3677 })
3678 .await;
3679 assert_eq!(
3680 results
3681 .into_iter()
3682 .map(|result| result.path)
3683 .collect::<Vec<Arc<Path>>>(),
3684 vec![
3685 PathBuf::from("banana/carrot/date").into(),
3686 PathBuf::from("banana/carrot/endive").into(),
3687 ]
3688 );
3689 }
3690
3691 #[gpui::test]
3692 async fn test_language_server_diagnostics(cx: &mut gpui::TestAppContext) {
3693 let (language_server_config, mut fake_servers) = LanguageServerConfig::fake();
3694 let progress_token = language_server_config
3695 .disk_based_diagnostics_progress_token
3696 .clone()
3697 .unwrap();
3698
3699 let language = Arc::new(Language::new(
3700 LanguageConfig {
3701 name: "Rust".into(),
3702 path_suffixes: vec!["rs".to_string()],
3703 language_server: Some(language_server_config),
3704 ..Default::default()
3705 },
3706 Some(tree_sitter_rust::language()),
3707 ));
3708
3709 let fs = FakeFs::new(cx.background());
3710 fs.insert_tree(
3711 "/dir",
3712 json!({
3713 "a.rs": "fn a() { A }",
3714 "b.rs": "const y: i32 = 1",
3715 }),
3716 )
3717 .await;
3718
3719 let project = Project::test(fs, cx);
3720 project.update(cx, |project, _| {
3721 Arc::get_mut(&mut project.languages).unwrap().add(language);
3722 });
3723
3724 let (tree, _) = project
3725 .update(cx, |project, cx| {
3726 project.find_or_create_local_worktree("/dir", false, cx)
3727 })
3728 .await
3729 .unwrap();
3730 let worktree_id = tree.read_with(cx, |tree, _| tree.id());
3731
3732 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3733 .await;
3734
3735 // Cause worktree to start the fake language server
3736 let _buffer = project
3737 .update(cx, |project, cx| {
3738 project.open_buffer((worktree_id, Path::new("b.rs")), cx)
3739 })
3740 .await
3741 .unwrap();
3742
3743 let mut events = subscribe(&project, cx);
3744
3745 let mut fake_server = fake_servers.next().await.unwrap();
3746 fake_server.start_progress(&progress_token).await;
3747 assert_eq!(
3748 events.next().await.unwrap(),
3749 Event::DiskBasedDiagnosticsStarted
3750 );
3751
3752 fake_server.start_progress(&progress_token).await;
3753 fake_server.end_progress(&progress_token).await;
3754 fake_server.start_progress(&progress_token).await;
3755
3756 fake_server
3757 .notify::<lsp::notification::PublishDiagnostics>(lsp::PublishDiagnosticsParams {
3758 uri: Url::from_file_path("/dir/a.rs").unwrap(),
3759 version: None,
3760 diagnostics: vec![lsp::Diagnostic {
3761 range: lsp::Range::new(lsp::Position::new(0, 9), lsp::Position::new(0, 10)),
3762 severity: Some(lsp::DiagnosticSeverity::ERROR),
3763 message: "undefined variable 'A'".to_string(),
3764 ..Default::default()
3765 }],
3766 })
3767 .await;
3768 assert_eq!(
3769 events.next().await.unwrap(),
3770 Event::DiagnosticsUpdated((worktree_id, Path::new("a.rs")).into())
3771 );
3772
3773 fake_server.end_progress(&progress_token).await;
3774 fake_server.end_progress(&progress_token).await;
3775 assert_eq!(
3776 events.next().await.unwrap(),
3777 Event::DiskBasedDiagnosticsUpdated
3778 );
3779 assert_eq!(
3780 events.next().await.unwrap(),
3781 Event::DiskBasedDiagnosticsFinished
3782 );
3783
3784 let buffer = project
3785 .update(cx, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx))
3786 .await
3787 .unwrap();
3788
3789 buffer.read_with(cx, |buffer, _| {
3790 let snapshot = buffer.snapshot();
3791 let diagnostics = snapshot
3792 .diagnostics_in_range::<_, Point>(0..buffer.len())
3793 .collect::<Vec<_>>();
3794 assert_eq!(
3795 diagnostics,
3796 &[DiagnosticEntry {
3797 range: Point::new(0, 9)..Point::new(0, 10),
3798 diagnostic: Diagnostic {
3799 severity: lsp::DiagnosticSeverity::ERROR,
3800 message: "undefined variable 'A'".to_string(),
3801 group_id: 0,
3802 is_primary: true,
3803 ..Default::default()
3804 }
3805 }]
3806 )
3807 });
3808 }
3809
3810 #[gpui::test]
3811 async fn test_search_worktree_without_files(cx: &mut gpui::TestAppContext) {
3812 let dir = temp_tree(json!({
3813 "root": {
3814 "dir1": {},
3815 "dir2": {
3816 "dir3": {}
3817 }
3818 }
3819 }));
3820
3821 let project = Project::test(Arc::new(RealFs), cx);
3822 let (tree, _) = project
3823 .update(cx, |project, cx| {
3824 project.find_or_create_local_worktree(&dir.path(), false, cx)
3825 })
3826 .await
3827 .unwrap();
3828
3829 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3830 .await;
3831
3832 let cancel_flag = Default::default();
3833 let results = project
3834 .read_with(cx, |project, cx| {
3835 project.match_paths("dir", false, false, 10, &cancel_flag, cx)
3836 })
3837 .await;
3838
3839 assert!(results.is_empty());
3840 }
3841
3842 #[gpui::test]
3843 async fn test_definition(cx: &mut gpui::TestAppContext) {
3844 let (language_server_config, mut fake_servers) = LanguageServerConfig::fake();
3845 let language = Arc::new(Language::new(
3846 LanguageConfig {
3847 name: "Rust".into(),
3848 path_suffixes: vec!["rs".to_string()],
3849 language_server: Some(language_server_config),
3850 ..Default::default()
3851 },
3852 Some(tree_sitter_rust::language()),
3853 ));
3854
3855 let fs = FakeFs::new(cx.background());
3856 fs.insert_tree(
3857 "/dir",
3858 json!({
3859 "a.rs": "const fn a() { A }",
3860 "b.rs": "const y: i32 = crate::a()",
3861 }),
3862 )
3863 .await;
3864
3865 let project = Project::test(fs, cx);
3866 project.update(cx, |project, _| {
3867 Arc::get_mut(&mut project.languages).unwrap().add(language);
3868 });
3869
3870 let (tree, _) = project
3871 .update(cx, |project, cx| {
3872 project.find_or_create_local_worktree("/dir/b.rs", false, cx)
3873 })
3874 .await
3875 .unwrap();
3876 let worktree_id = tree.read_with(cx, |tree, _| tree.id());
3877 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3878 .await;
3879
3880 let buffer = project
3881 .update(cx, |project, cx| {
3882 project.open_buffer(
3883 ProjectPath {
3884 worktree_id,
3885 path: Path::new("").into(),
3886 },
3887 cx,
3888 )
3889 })
3890 .await
3891 .unwrap();
3892
3893 let mut fake_server = fake_servers.next().await.unwrap();
3894 fake_server.handle_request::<lsp::request::GotoDefinition, _>(move |params, _| {
3895 let params = params.text_document_position_params;
3896 assert_eq!(
3897 params.text_document.uri.to_file_path().unwrap(),
3898 Path::new("/dir/b.rs"),
3899 );
3900 assert_eq!(params.position, lsp::Position::new(0, 22));
3901
3902 Some(lsp::GotoDefinitionResponse::Scalar(lsp::Location::new(
3903 lsp::Url::from_file_path("/dir/a.rs").unwrap(),
3904 lsp::Range::new(lsp::Position::new(0, 9), lsp::Position::new(0, 10)),
3905 )))
3906 });
3907
3908 let mut definitions = project
3909 .update(cx, |project, cx| project.definition(&buffer, 22, cx))
3910 .await
3911 .unwrap();
3912
3913 assert_eq!(definitions.len(), 1);
3914 let definition = definitions.pop().unwrap();
3915 cx.update(|cx| {
3916 let target_buffer = definition.buffer.read(cx);
3917 assert_eq!(
3918 target_buffer
3919 .file()
3920 .unwrap()
3921 .as_local()
3922 .unwrap()
3923 .abs_path(cx),
3924 Path::new("/dir/a.rs"),
3925 );
3926 assert_eq!(definition.range.to_offset(target_buffer), 9..10);
3927 assert_eq!(
3928 list_worktrees(&project, cx),
3929 [("/dir/b.rs".as_ref(), false), ("/dir/a.rs".as_ref(), true)]
3930 );
3931
3932 drop(definition);
3933 });
3934 cx.read(|cx| {
3935 assert_eq!(
3936 list_worktrees(&project, cx),
3937 [("/dir/b.rs".as_ref(), false)]
3938 );
3939 });
3940
3941 fn list_worktrees<'a>(
3942 project: &'a ModelHandle<Project>,
3943 cx: &'a AppContext,
3944 ) -> Vec<(&'a Path, bool)> {
3945 project
3946 .read(cx)
3947 .worktrees(cx)
3948 .map(|worktree| {
3949 let worktree = worktree.read(cx);
3950 (
3951 worktree.as_local().unwrap().abs_path().as_ref(),
3952 worktree.is_weak(),
3953 )
3954 })
3955 .collect::<Vec<_>>()
3956 }
3957 }
3958
3959 #[gpui::test]
3960 async fn test_save_file(cx: &mut gpui::TestAppContext) {
3961 let fs = FakeFs::new(cx.background());
3962 fs.insert_tree(
3963 "/dir",
3964 json!({
3965 "file1": "the old contents",
3966 }),
3967 )
3968 .await;
3969
3970 let project = Project::test(fs.clone(), cx);
3971 let worktree_id = project
3972 .update(cx, |p, cx| {
3973 p.find_or_create_local_worktree("/dir", false, cx)
3974 })
3975 .await
3976 .unwrap()
3977 .0
3978 .read_with(cx, |tree, _| tree.id());
3979
3980 let buffer = project
3981 .update(cx, |p, cx| p.open_buffer((worktree_id, "file1"), cx))
3982 .await
3983 .unwrap();
3984 buffer
3985 .update(cx, |buffer, cx| {
3986 assert_eq!(buffer.text(), "the old contents");
3987 buffer.edit(Some(0..0), "a line of text.\n".repeat(10 * 1024), cx);
3988 buffer.save(cx)
3989 })
3990 .await
3991 .unwrap();
3992
3993 let new_text = fs.load(Path::new("/dir/file1")).await.unwrap();
3994 assert_eq!(new_text, buffer.read_with(cx, |buffer, _| buffer.text()));
3995 }
3996
3997 #[gpui::test]
3998 async fn test_save_in_single_file_worktree(cx: &mut gpui::TestAppContext) {
3999 let fs = FakeFs::new(cx.background());
4000 fs.insert_tree(
4001 "/dir",
4002 json!({
4003 "file1": "the old contents",
4004 }),
4005 )
4006 .await;
4007
4008 let project = Project::test(fs.clone(), cx);
4009 let worktree_id = project
4010 .update(cx, |p, cx| {
4011 p.find_or_create_local_worktree("/dir/file1", false, cx)
4012 })
4013 .await
4014 .unwrap()
4015 .0
4016 .read_with(cx, |tree, _| tree.id());
4017
4018 let buffer = project
4019 .update(cx, |p, cx| p.open_buffer((worktree_id, ""), cx))
4020 .await
4021 .unwrap();
4022 buffer
4023 .update(cx, |buffer, cx| {
4024 buffer.edit(Some(0..0), "a line of text.\n".repeat(10 * 1024), cx);
4025 buffer.save(cx)
4026 })
4027 .await
4028 .unwrap();
4029
4030 let new_text = fs.load(Path::new("/dir/file1")).await.unwrap();
4031 assert_eq!(new_text, buffer.read_with(cx, |buffer, _| buffer.text()));
4032 }
4033
4034 #[gpui::test(retries = 5)]
4035 async fn test_rescan_and_remote_updates(cx: &mut gpui::TestAppContext) {
4036 let dir = temp_tree(json!({
4037 "a": {
4038 "file1": "",
4039 "file2": "",
4040 "file3": "",
4041 },
4042 "b": {
4043 "c": {
4044 "file4": "",
4045 "file5": "",
4046 }
4047 }
4048 }));
4049
4050 let project = Project::test(Arc::new(RealFs), cx);
4051 let rpc = project.read_with(cx, |p, _| p.client.clone());
4052
4053 let (tree, _) = project
4054 .update(cx, |p, cx| {
4055 p.find_or_create_local_worktree(dir.path(), false, cx)
4056 })
4057 .await
4058 .unwrap();
4059 let worktree_id = tree.read_with(cx, |tree, _| tree.id());
4060
4061 let buffer_for_path = |path: &'static str, cx: &mut gpui::TestAppContext| {
4062 let buffer = project.update(cx, |p, cx| p.open_buffer((worktree_id, path), cx));
4063 async move { buffer.await.unwrap() }
4064 };
4065 let id_for_path = |path: &'static str, cx: &gpui::TestAppContext| {
4066 tree.read_with(cx, |tree, _| {
4067 tree.entry_for_path(path)
4068 .expect(&format!("no entry for path {}", path))
4069 .id
4070 })
4071 };
4072
4073 let buffer2 = buffer_for_path("a/file2", cx).await;
4074 let buffer3 = buffer_for_path("a/file3", cx).await;
4075 let buffer4 = buffer_for_path("b/c/file4", cx).await;
4076 let buffer5 = buffer_for_path("b/c/file5", cx).await;
4077
4078 let file2_id = id_for_path("a/file2", &cx);
4079 let file3_id = id_for_path("a/file3", &cx);
4080 let file4_id = id_for_path("b/c/file4", &cx);
4081
4082 // Wait for the initial scan.
4083 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
4084 .await;
4085
4086 // Create a remote copy of this worktree.
4087 let initial_snapshot = tree.read_with(cx, |tree, _| tree.as_local().unwrap().snapshot());
4088 let (remote, load_task) = cx.update(|cx| {
4089 Worktree::remote(
4090 1,
4091 1,
4092 initial_snapshot.to_proto(&Default::default(), Default::default()),
4093 rpc.clone(),
4094 cx,
4095 )
4096 });
4097 load_task.await;
4098
4099 cx.read(|cx| {
4100 assert!(!buffer2.read(cx).is_dirty());
4101 assert!(!buffer3.read(cx).is_dirty());
4102 assert!(!buffer4.read(cx).is_dirty());
4103 assert!(!buffer5.read(cx).is_dirty());
4104 });
4105
4106 // Rename and delete files and directories.
4107 tree.flush_fs_events(&cx).await;
4108 std::fs::rename(dir.path().join("a/file3"), dir.path().join("b/c/file3")).unwrap();
4109 std::fs::remove_file(dir.path().join("b/c/file5")).unwrap();
4110 std::fs::rename(dir.path().join("b/c"), dir.path().join("d")).unwrap();
4111 std::fs::rename(dir.path().join("a/file2"), dir.path().join("a/file2.new")).unwrap();
4112 tree.flush_fs_events(&cx).await;
4113
4114 let expected_paths = vec![
4115 "a",
4116 "a/file1",
4117 "a/file2.new",
4118 "b",
4119 "d",
4120 "d/file3",
4121 "d/file4",
4122 ];
4123
4124 cx.read(|app| {
4125 assert_eq!(
4126 tree.read(app)
4127 .paths()
4128 .map(|p| p.to_str().unwrap())
4129 .collect::<Vec<_>>(),
4130 expected_paths
4131 );
4132
4133 assert_eq!(id_for_path("a/file2.new", &cx), file2_id);
4134 assert_eq!(id_for_path("d/file3", &cx), file3_id);
4135 assert_eq!(id_for_path("d/file4", &cx), file4_id);
4136
4137 assert_eq!(
4138 buffer2.read(app).file().unwrap().path().as_ref(),
4139 Path::new("a/file2.new")
4140 );
4141 assert_eq!(
4142 buffer3.read(app).file().unwrap().path().as_ref(),
4143 Path::new("d/file3")
4144 );
4145 assert_eq!(
4146 buffer4.read(app).file().unwrap().path().as_ref(),
4147 Path::new("d/file4")
4148 );
4149 assert_eq!(
4150 buffer5.read(app).file().unwrap().path().as_ref(),
4151 Path::new("b/c/file5")
4152 );
4153
4154 assert!(!buffer2.read(app).file().unwrap().is_deleted());
4155 assert!(!buffer3.read(app).file().unwrap().is_deleted());
4156 assert!(!buffer4.read(app).file().unwrap().is_deleted());
4157 assert!(buffer5.read(app).file().unwrap().is_deleted());
4158 });
4159
4160 // Update the remote worktree. Check that it becomes consistent with the
4161 // local worktree.
4162 remote.update(cx, |remote, cx| {
4163 let update_message = tree.read(cx).as_local().unwrap().snapshot().build_update(
4164 &initial_snapshot,
4165 1,
4166 1,
4167 true,
4168 );
4169 remote
4170 .as_remote_mut()
4171 .unwrap()
4172 .snapshot
4173 .apply_remote_update(update_message)
4174 .unwrap();
4175
4176 assert_eq!(
4177 remote
4178 .paths()
4179 .map(|p| p.to_str().unwrap())
4180 .collect::<Vec<_>>(),
4181 expected_paths
4182 );
4183 });
4184 }
4185
4186 #[gpui::test]
4187 async fn test_buffer_deduping(cx: &mut gpui::TestAppContext) {
4188 let fs = FakeFs::new(cx.background());
4189 fs.insert_tree(
4190 "/the-dir",
4191 json!({
4192 "a.txt": "a-contents",
4193 "b.txt": "b-contents",
4194 }),
4195 )
4196 .await;
4197
4198 let project = Project::test(fs.clone(), cx);
4199 let worktree_id = project
4200 .update(cx, |p, cx| {
4201 p.find_or_create_local_worktree("/the-dir", false, cx)
4202 })
4203 .await
4204 .unwrap()
4205 .0
4206 .read_with(cx, |tree, _| tree.id());
4207
4208 // Spawn multiple tasks to open paths, repeating some paths.
4209 let (buffer_a_1, buffer_b, buffer_a_2) = project.update(cx, |p, cx| {
4210 (
4211 p.open_buffer((worktree_id, "a.txt"), cx),
4212 p.open_buffer((worktree_id, "b.txt"), cx),
4213 p.open_buffer((worktree_id, "a.txt"), cx),
4214 )
4215 });
4216
4217 let buffer_a_1 = buffer_a_1.await.unwrap();
4218 let buffer_a_2 = buffer_a_2.await.unwrap();
4219 let buffer_b = buffer_b.await.unwrap();
4220 assert_eq!(buffer_a_1.read_with(cx, |b, _| b.text()), "a-contents");
4221 assert_eq!(buffer_b.read_with(cx, |b, _| b.text()), "b-contents");
4222
4223 // There is only one buffer per path.
4224 let buffer_a_id = buffer_a_1.id();
4225 assert_eq!(buffer_a_2.id(), buffer_a_id);
4226
4227 // Open the same path again while it is still open.
4228 drop(buffer_a_1);
4229 let buffer_a_3 = project
4230 .update(cx, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
4231 .await
4232 .unwrap();
4233
4234 // There's still only one buffer per path.
4235 assert_eq!(buffer_a_3.id(), buffer_a_id);
4236 }
4237
4238 #[gpui::test]
4239 async fn test_buffer_is_dirty(cx: &mut gpui::TestAppContext) {
4240 use std::fs;
4241
4242 let dir = temp_tree(json!({
4243 "file1": "abc",
4244 "file2": "def",
4245 "file3": "ghi",
4246 }));
4247
4248 let project = Project::test(Arc::new(RealFs), cx);
4249 let (worktree, _) = project
4250 .update(cx, |p, cx| {
4251 p.find_or_create_local_worktree(dir.path(), false, cx)
4252 })
4253 .await
4254 .unwrap();
4255 let worktree_id = worktree.read_with(cx, |worktree, _| worktree.id());
4256
4257 worktree.flush_fs_events(&cx).await;
4258 worktree
4259 .read_with(cx, |t, _| t.as_local().unwrap().scan_complete())
4260 .await;
4261
4262 let buffer1 = project
4263 .update(cx, |p, cx| p.open_buffer((worktree_id, "file1"), cx))
4264 .await
4265 .unwrap();
4266 let events = Rc::new(RefCell::new(Vec::new()));
4267
4268 // initially, the buffer isn't dirty.
4269 buffer1.update(cx, |buffer, cx| {
4270 cx.subscribe(&buffer1, {
4271 let events = events.clone();
4272 move |_, _, event, _| events.borrow_mut().push(event.clone())
4273 })
4274 .detach();
4275
4276 assert!(!buffer.is_dirty());
4277 assert!(events.borrow().is_empty());
4278
4279 buffer.edit(vec![1..2], "", cx);
4280 });
4281
4282 // after the first edit, the buffer is dirty, and emits a dirtied event.
4283 buffer1.update(cx, |buffer, cx| {
4284 assert!(buffer.text() == "ac");
4285 assert!(buffer.is_dirty());
4286 assert_eq!(
4287 *events.borrow(),
4288 &[language::Event::Edited, language::Event::Dirtied]
4289 );
4290 events.borrow_mut().clear();
4291 buffer.did_save(buffer.version(), buffer.file().unwrap().mtime(), None, cx);
4292 });
4293
4294 // after saving, the buffer is not dirty, and emits a saved event.
4295 buffer1.update(cx, |buffer, cx| {
4296 assert!(!buffer.is_dirty());
4297 assert_eq!(*events.borrow(), &[language::Event::Saved]);
4298 events.borrow_mut().clear();
4299
4300 buffer.edit(vec![1..1], "B", cx);
4301 buffer.edit(vec![2..2], "D", cx);
4302 });
4303
4304 // after editing again, the buffer is dirty, and emits another dirty event.
4305 buffer1.update(cx, |buffer, cx| {
4306 assert!(buffer.text() == "aBDc");
4307 assert!(buffer.is_dirty());
4308 assert_eq!(
4309 *events.borrow(),
4310 &[
4311 language::Event::Edited,
4312 language::Event::Dirtied,
4313 language::Event::Edited,
4314 ],
4315 );
4316 events.borrow_mut().clear();
4317
4318 // TODO - currently, after restoring the buffer to its
4319 // previously-saved state, the is still considered dirty.
4320 buffer.edit([1..3], "", cx);
4321 assert!(buffer.text() == "ac");
4322 assert!(buffer.is_dirty());
4323 });
4324
4325 assert_eq!(*events.borrow(), &[language::Event::Edited]);
4326
4327 // When a file is deleted, the buffer is considered dirty.
4328 let events = Rc::new(RefCell::new(Vec::new()));
4329 let buffer2 = project
4330 .update(cx, |p, cx| p.open_buffer((worktree_id, "file2"), cx))
4331 .await
4332 .unwrap();
4333 buffer2.update(cx, |_, cx| {
4334 cx.subscribe(&buffer2, {
4335 let events = events.clone();
4336 move |_, _, event, _| events.borrow_mut().push(event.clone())
4337 })
4338 .detach();
4339 });
4340
4341 fs::remove_file(dir.path().join("file2")).unwrap();
4342 buffer2.condition(&cx, |b, _| b.is_dirty()).await;
4343 assert_eq!(
4344 *events.borrow(),
4345 &[language::Event::Dirtied, language::Event::FileHandleChanged]
4346 );
4347
4348 // When a file is already dirty when deleted, we don't emit a Dirtied event.
4349 let events = Rc::new(RefCell::new(Vec::new()));
4350 let buffer3 = project
4351 .update(cx, |p, cx| p.open_buffer((worktree_id, "file3"), cx))
4352 .await
4353 .unwrap();
4354 buffer3.update(cx, |_, cx| {
4355 cx.subscribe(&buffer3, {
4356 let events = events.clone();
4357 move |_, _, event, _| events.borrow_mut().push(event.clone())
4358 })
4359 .detach();
4360 });
4361
4362 worktree.flush_fs_events(&cx).await;
4363 buffer3.update(cx, |buffer, cx| {
4364 buffer.edit(Some(0..0), "x", cx);
4365 });
4366 events.borrow_mut().clear();
4367 fs::remove_file(dir.path().join("file3")).unwrap();
4368 buffer3
4369 .condition(&cx, |_, _| !events.borrow().is_empty())
4370 .await;
4371 assert_eq!(*events.borrow(), &[language::Event::FileHandleChanged]);
4372 cx.read(|cx| assert!(buffer3.read(cx).is_dirty()));
4373 }
4374
4375 #[gpui::test]
4376 async fn test_buffer_file_changes_on_disk(cx: &mut gpui::TestAppContext) {
4377 use std::fs;
4378
4379 let initial_contents = "aaa\nbbbbb\nc\n";
4380 let dir = temp_tree(json!({ "the-file": initial_contents }));
4381
4382 let project = Project::test(Arc::new(RealFs), cx);
4383 let (worktree, _) = project
4384 .update(cx, |p, cx| {
4385 p.find_or_create_local_worktree(dir.path(), false, cx)
4386 })
4387 .await
4388 .unwrap();
4389 let worktree_id = worktree.read_with(cx, |tree, _| tree.id());
4390
4391 worktree
4392 .read_with(cx, |t, _| t.as_local().unwrap().scan_complete())
4393 .await;
4394
4395 let abs_path = dir.path().join("the-file");
4396 let buffer = project
4397 .update(cx, |p, cx| p.open_buffer((worktree_id, "the-file"), cx))
4398 .await
4399 .unwrap();
4400
4401 // TODO
4402 // Add a cursor on each row.
4403 // let selection_set_id = buffer.update(&mut cx, |buffer, cx| {
4404 // assert!(!buffer.is_dirty());
4405 // buffer.add_selection_set(
4406 // &(0..3)
4407 // .map(|row| Selection {
4408 // id: row as usize,
4409 // start: Point::new(row, 1),
4410 // end: Point::new(row, 1),
4411 // reversed: false,
4412 // goal: SelectionGoal::None,
4413 // })
4414 // .collect::<Vec<_>>(),
4415 // cx,
4416 // )
4417 // });
4418
4419 // Change the file on disk, adding two new lines of text, and removing
4420 // one line.
4421 buffer.read_with(cx, |buffer, _| {
4422 assert!(!buffer.is_dirty());
4423 assert!(!buffer.has_conflict());
4424 });
4425 let new_contents = "AAAA\naaa\nBB\nbbbbb\n";
4426 fs::write(&abs_path, new_contents).unwrap();
4427
4428 // Because the buffer was not modified, it is reloaded from disk. Its
4429 // contents are edited according to the diff between the old and new
4430 // file contents.
4431 buffer
4432 .condition(&cx, |buffer, _| buffer.text() == new_contents)
4433 .await;
4434
4435 buffer.update(cx, |buffer, _| {
4436 assert_eq!(buffer.text(), new_contents);
4437 assert!(!buffer.is_dirty());
4438 assert!(!buffer.has_conflict());
4439
4440 // TODO
4441 // let cursor_positions = buffer
4442 // .selection_set(selection_set_id)
4443 // .unwrap()
4444 // .selections::<Point>(&*buffer)
4445 // .map(|selection| {
4446 // assert_eq!(selection.start, selection.end);
4447 // selection.start
4448 // })
4449 // .collect::<Vec<_>>();
4450 // assert_eq!(
4451 // cursor_positions,
4452 // [Point::new(1, 1), Point::new(3, 1), Point::new(4, 0)]
4453 // );
4454 });
4455
4456 // Modify the buffer
4457 buffer.update(cx, |buffer, cx| {
4458 buffer.edit(vec![0..0], " ", cx);
4459 assert!(buffer.is_dirty());
4460 assert!(!buffer.has_conflict());
4461 });
4462
4463 // Change the file on disk again, adding blank lines to the beginning.
4464 fs::write(&abs_path, "\n\n\nAAAA\naaa\nBB\nbbbbb\n").unwrap();
4465
4466 // Because the buffer is modified, it doesn't reload from disk, but is
4467 // marked as having a conflict.
4468 buffer
4469 .condition(&cx, |buffer, _| buffer.has_conflict())
4470 .await;
4471 }
4472
4473 #[gpui::test]
4474 async fn test_grouped_diagnostics(cx: &mut gpui::TestAppContext) {
4475 let fs = FakeFs::new(cx.background());
4476 fs.insert_tree(
4477 "/the-dir",
4478 json!({
4479 "a.rs": "
4480 fn foo(mut v: Vec<usize>) {
4481 for x in &v {
4482 v.push(1);
4483 }
4484 }
4485 "
4486 .unindent(),
4487 }),
4488 )
4489 .await;
4490
4491 let project = Project::test(fs.clone(), cx);
4492 let (worktree, _) = project
4493 .update(cx, |p, cx| {
4494 p.find_or_create_local_worktree("/the-dir", false, cx)
4495 })
4496 .await
4497 .unwrap();
4498 let worktree_id = worktree.read_with(cx, |tree, _| tree.id());
4499
4500 let buffer = project
4501 .update(cx, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx))
4502 .await
4503 .unwrap();
4504
4505 let buffer_uri = Url::from_file_path("/the-dir/a.rs").unwrap();
4506 let message = lsp::PublishDiagnosticsParams {
4507 uri: buffer_uri.clone(),
4508 diagnostics: vec![
4509 lsp::Diagnostic {
4510 range: lsp::Range::new(lsp::Position::new(1, 8), lsp::Position::new(1, 9)),
4511 severity: Some(DiagnosticSeverity::WARNING),
4512 message: "error 1".to_string(),
4513 related_information: Some(vec![lsp::DiagnosticRelatedInformation {
4514 location: lsp::Location {
4515 uri: buffer_uri.clone(),
4516 range: lsp::Range::new(
4517 lsp::Position::new(1, 8),
4518 lsp::Position::new(1, 9),
4519 ),
4520 },
4521 message: "error 1 hint 1".to_string(),
4522 }]),
4523 ..Default::default()
4524 },
4525 lsp::Diagnostic {
4526 range: lsp::Range::new(lsp::Position::new(1, 8), lsp::Position::new(1, 9)),
4527 severity: Some(DiagnosticSeverity::HINT),
4528 message: "error 1 hint 1".to_string(),
4529 related_information: Some(vec![lsp::DiagnosticRelatedInformation {
4530 location: lsp::Location {
4531 uri: buffer_uri.clone(),
4532 range: lsp::Range::new(
4533 lsp::Position::new(1, 8),
4534 lsp::Position::new(1, 9),
4535 ),
4536 },
4537 message: "original diagnostic".to_string(),
4538 }]),
4539 ..Default::default()
4540 },
4541 lsp::Diagnostic {
4542 range: lsp::Range::new(lsp::Position::new(2, 8), lsp::Position::new(2, 17)),
4543 severity: Some(DiagnosticSeverity::ERROR),
4544 message: "error 2".to_string(),
4545 related_information: Some(vec![
4546 lsp::DiagnosticRelatedInformation {
4547 location: lsp::Location {
4548 uri: buffer_uri.clone(),
4549 range: lsp::Range::new(
4550 lsp::Position::new(1, 13),
4551 lsp::Position::new(1, 15),
4552 ),
4553 },
4554 message: "error 2 hint 1".to_string(),
4555 },
4556 lsp::DiagnosticRelatedInformation {
4557 location: lsp::Location {
4558 uri: buffer_uri.clone(),
4559 range: lsp::Range::new(
4560 lsp::Position::new(1, 13),
4561 lsp::Position::new(1, 15),
4562 ),
4563 },
4564 message: "error 2 hint 2".to_string(),
4565 },
4566 ]),
4567 ..Default::default()
4568 },
4569 lsp::Diagnostic {
4570 range: lsp::Range::new(lsp::Position::new(1, 13), lsp::Position::new(1, 15)),
4571 severity: Some(DiagnosticSeverity::HINT),
4572 message: "error 2 hint 1".to_string(),
4573 related_information: Some(vec![lsp::DiagnosticRelatedInformation {
4574 location: lsp::Location {
4575 uri: buffer_uri.clone(),
4576 range: lsp::Range::new(
4577 lsp::Position::new(2, 8),
4578 lsp::Position::new(2, 17),
4579 ),
4580 },
4581 message: "original diagnostic".to_string(),
4582 }]),
4583 ..Default::default()
4584 },
4585 lsp::Diagnostic {
4586 range: lsp::Range::new(lsp::Position::new(1, 13), lsp::Position::new(1, 15)),
4587 severity: Some(DiagnosticSeverity::HINT),
4588 message: "error 2 hint 2".to_string(),
4589 related_information: Some(vec![lsp::DiagnosticRelatedInformation {
4590 location: lsp::Location {
4591 uri: buffer_uri.clone(),
4592 range: lsp::Range::new(
4593 lsp::Position::new(2, 8),
4594 lsp::Position::new(2, 17),
4595 ),
4596 },
4597 message: "original diagnostic".to_string(),
4598 }]),
4599 ..Default::default()
4600 },
4601 ],
4602 version: None,
4603 };
4604
4605 project
4606 .update(cx, |p, cx| {
4607 p.update_diagnostics(message, &Default::default(), cx)
4608 })
4609 .unwrap();
4610 let buffer = buffer.read_with(cx, |buffer, _| buffer.snapshot());
4611
4612 assert_eq!(
4613 buffer
4614 .diagnostics_in_range::<_, Point>(0..buffer.len())
4615 .collect::<Vec<_>>(),
4616 &[
4617 DiagnosticEntry {
4618 range: Point::new(1, 8)..Point::new(1, 9),
4619 diagnostic: Diagnostic {
4620 severity: DiagnosticSeverity::WARNING,
4621 message: "error 1".to_string(),
4622 group_id: 0,
4623 is_primary: true,
4624 ..Default::default()
4625 }
4626 },
4627 DiagnosticEntry {
4628 range: Point::new(1, 8)..Point::new(1, 9),
4629 diagnostic: Diagnostic {
4630 severity: DiagnosticSeverity::HINT,
4631 message: "error 1 hint 1".to_string(),
4632 group_id: 0,
4633 is_primary: false,
4634 ..Default::default()
4635 }
4636 },
4637 DiagnosticEntry {
4638 range: Point::new(1, 13)..Point::new(1, 15),
4639 diagnostic: Diagnostic {
4640 severity: DiagnosticSeverity::HINT,
4641 message: "error 2 hint 1".to_string(),
4642 group_id: 1,
4643 is_primary: false,
4644 ..Default::default()
4645 }
4646 },
4647 DiagnosticEntry {
4648 range: Point::new(1, 13)..Point::new(1, 15),
4649 diagnostic: Diagnostic {
4650 severity: DiagnosticSeverity::HINT,
4651 message: "error 2 hint 2".to_string(),
4652 group_id: 1,
4653 is_primary: false,
4654 ..Default::default()
4655 }
4656 },
4657 DiagnosticEntry {
4658 range: Point::new(2, 8)..Point::new(2, 17),
4659 diagnostic: Diagnostic {
4660 severity: DiagnosticSeverity::ERROR,
4661 message: "error 2".to_string(),
4662 group_id: 1,
4663 is_primary: true,
4664 ..Default::default()
4665 }
4666 }
4667 ]
4668 );
4669
4670 assert_eq!(
4671 buffer.diagnostic_group::<Point>(0).collect::<Vec<_>>(),
4672 &[
4673 DiagnosticEntry {
4674 range: Point::new(1, 8)..Point::new(1, 9),
4675 diagnostic: Diagnostic {
4676 severity: DiagnosticSeverity::WARNING,
4677 message: "error 1".to_string(),
4678 group_id: 0,
4679 is_primary: true,
4680 ..Default::default()
4681 }
4682 },
4683 DiagnosticEntry {
4684 range: Point::new(1, 8)..Point::new(1, 9),
4685 diagnostic: Diagnostic {
4686 severity: DiagnosticSeverity::HINT,
4687 message: "error 1 hint 1".to_string(),
4688 group_id: 0,
4689 is_primary: false,
4690 ..Default::default()
4691 }
4692 },
4693 ]
4694 );
4695 assert_eq!(
4696 buffer.diagnostic_group::<Point>(1).collect::<Vec<_>>(),
4697 &[
4698 DiagnosticEntry {
4699 range: Point::new(1, 13)..Point::new(1, 15),
4700 diagnostic: Diagnostic {
4701 severity: DiagnosticSeverity::HINT,
4702 message: "error 2 hint 1".to_string(),
4703 group_id: 1,
4704 is_primary: false,
4705 ..Default::default()
4706 }
4707 },
4708 DiagnosticEntry {
4709 range: Point::new(1, 13)..Point::new(1, 15),
4710 diagnostic: Diagnostic {
4711 severity: DiagnosticSeverity::HINT,
4712 message: "error 2 hint 2".to_string(),
4713 group_id: 1,
4714 is_primary: false,
4715 ..Default::default()
4716 }
4717 },
4718 DiagnosticEntry {
4719 range: Point::new(2, 8)..Point::new(2, 17),
4720 diagnostic: Diagnostic {
4721 severity: DiagnosticSeverity::ERROR,
4722 message: "error 2".to_string(),
4723 group_id: 1,
4724 is_primary: true,
4725 ..Default::default()
4726 }
4727 }
4728 ]
4729 );
4730 }
4731
4732 #[gpui::test]
4733 async fn test_rename(cx: &mut gpui::TestAppContext) {
4734 let (language_server_config, mut fake_servers) = LanguageServerConfig::fake();
4735 let language = Arc::new(Language::new(
4736 LanguageConfig {
4737 name: "Rust".into(),
4738 path_suffixes: vec!["rs".to_string()],
4739 language_server: Some(language_server_config),
4740 ..Default::default()
4741 },
4742 Some(tree_sitter_rust::language()),
4743 ));
4744
4745 let fs = FakeFs::new(cx.background());
4746 fs.insert_tree(
4747 "/dir",
4748 json!({
4749 "one.rs": "const ONE: usize = 1;",
4750 "two.rs": "const TWO: usize = one::ONE + one::ONE;"
4751 }),
4752 )
4753 .await;
4754
4755 let project = Project::test(fs.clone(), cx);
4756 project.update(cx, |project, _| {
4757 Arc::get_mut(&mut project.languages).unwrap().add(language);
4758 });
4759
4760 let (tree, _) = project
4761 .update(cx, |project, cx| {
4762 project.find_or_create_local_worktree("/dir", false, cx)
4763 })
4764 .await
4765 .unwrap();
4766 let worktree_id = tree.read_with(cx, |tree, _| tree.id());
4767 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
4768 .await;
4769
4770 let buffer = project
4771 .update(cx, |project, cx| {
4772 project.open_buffer((worktree_id, Path::new("one.rs")), cx)
4773 })
4774 .await
4775 .unwrap();
4776
4777 let mut fake_server = fake_servers.next().await.unwrap();
4778
4779 let response = project.update(cx, |project, cx| {
4780 project.prepare_rename(buffer.clone(), 7, cx)
4781 });
4782 fake_server
4783 .handle_request::<lsp::request::PrepareRenameRequest, _>(|params, _| {
4784 assert_eq!(params.text_document.uri.as_str(), "file:///dir/one.rs");
4785 assert_eq!(params.position, lsp::Position::new(0, 7));
4786 Some(lsp::PrepareRenameResponse::Range(lsp::Range::new(
4787 lsp::Position::new(0, 6),
4788 lsp::Position::new(0, 9),
4789 )))
4790 })
4791 .next()
4792 .await
4793 .unwrap();
4794 let range = response.await.unwrap().unwrap();
4795 let range = buffer.read_with(cx, |buffer, _| range.to_offset(buffer));
4796 assert_eq!(range, 6..9);
4797
4798 let response = project.update(cx, |project, cx| {
4799 project.perform_rename(buffer.clone(), 7, "THREE".to_string(), true, cx)
4800 });
4801 fake_server
4802 .handle_request::<lsp::request::Rename, _>(|params, _| {
4803 assert_eq!(
4804 params.text_document_position.text_document.uri.as_str(),
4805 "file:///dir/one.rs"
4806 );
4807 assert_eq!(
4808 params.text_document_position.position,
4809 lsp::Position::new(0, 7)
4810 );
4811 assert_eq!(params.new_name, "THREE");
4812 Some(lsp::WorkspaceEdit {
4813 changes: Some(
4814 [
4815 (
4816 lsp::Url::from_file_path("/dir/one.rs").unwrap(),
4817 vec![lsp::TextEdit::new(
4818 lsp::Range::new(
4819 lsp::Position::new(0, 6),
4820 lsp::Position::new(0, 9),
4821 ),
4822 "THREE".to_string(),
4823 )],
4824 ),
4825 (
4826 lsp::Url::from_file_path("/dir/two.rs").unwrap(),
4827 vec![
4828 lsp::TextEdit::new(
4829 lsp::Range::new(
4830 lsp::Position::new(0, 24),
4831 lsp::Position::new(0, 27),
4832 ),
4833 "THREE".to_string(),
4834 ),
4835 lsp::TextEdit::new(
4836 lsp::Range::new(
4837 lsp::Position::new(0, 35),
4838 lsp::Position::new(0, 38),
4839 ),
4840 "THREE".to_string(),
4841 ),
4842 ],
4843 ),
4844 ]
4845 .into_iter()
4846 .collect(),
4847 ),
4848 ..Default::default()
4849 })
4850 })
4851 .next()
4852 .await
4853 .unwrap();
4854 let mut transaction = response.await.unwrap().0;
4855 assert_eq!(transaction.len(), 2);
4856 assert_eq!(
4857 transaction
4858 .remove_entry(&buffer)
4859 .unwrap()
4860 .0
4861 .read_with(cx, |buffer, _| buffer.text()),
4862 "const THREE: usize = 1;"
4863 );
4864 assert_eq!(
4865 transaction
4866 .into_keys()
4867 .next()
4868 .unwrap()
4869 .read_with(cx, |buffer, _| buffer.text()),
4870 "const TWO: usize = one::THREE + one::THREE;"
4871 );
4872 }
4873
4874 #[gpui::test]
4875 async fn test_search(cx: &mut gpui::TestAppContext) {
4876 let fs = FakeFs::new(cx.background());
4877 fs.insert_tree(
4878 "/dir",
4879 json!({
4880 "one.rs": "const ONE: usize = 1;",
4881 "two.rs": "const TWO: usize = one::ONE + one::ONE;",
4882 "three.rs": "const THREE: usize = one::ONE + two::TWO;",
4883 "four.rs": "const FOUR: usize = one::ONE + three::THREE;",
4884 }),
4885 )
4886 .await;
4887 let project = Project::test(fs.clone(), cx);
4888 let (tree, _) = project
4889 .update(cx, |project, cx| {
4890 project.find_or_create_local_worktree("/dir", false, cx)
4891 })
4892 .await
4893 .unwrap();
4894 let worktree_id = tree.read_with(cx, |tree, _| tree.id());
4895 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
4896 .await;
4897
4898 assert_eq!(
4899 search(&project, SearchQuery::text("TWO", false, true), cx)
4900 .await
4901 .unwrap(),
4902 HashMap::from_iter([
4903 ("two.rs".to_string(), vec![6..9]),
4904 ("three.rs".to_string(), vec![37..40])
4905 ])
4906 );
4907
4908 let buffer_4 = project
4909 .update(cx, |project, cx| {
4910 project.open_buffer((worktree_id, "four.rs"), cx)
4911 })
4912 .await
4913 .unwrap();
4914 buffer_4.update(cx, |buffer, cx| {
4915 buffer.edit([20..28, 31..43], "two::TWO", cx);
4916 });
4917
4918 assert_eq!(
4919 search(&project, SearchQuery::text("TWO", false, true), cx)
4920 .await
4921 .unwrap(),
4922 HashMap::from_iter([
4923 ("two.rs".to_string(), vec![6..9]),
4924 ("three.rs".to_string(), vec![37..40]),
4925 ("four.rs".to_string(), vec![25..28, 36..39])
4926 ])
4927 );
4928
4929 async fn search(
4930 project: &ModelHandle<Project>,
4931 query: SearchQuery,
4932 cx: &mut gpui::TestAppContext,
4933 ) -> Result<HashMap<String, Vec<Range<usize>>>> {
4934 let results = project
4935 .update(cx, |project, cx| project.search(query, cx))
4936 .await?;
4937
4938 Ok(results
4939 .into_iter()
4940 .map(|(buffer, ranges)| {
4941 buffer.read_with(cx, |buffer, _| {
4942 let path = buffer.file().unwrap().path().to_string_lossy().to_string();
4943 let ranges = ranges
4944 .into_iter()
4945 .map(|range| range.to_offset(buffer))
4946 .collect::<Vec<_>>();
4947 (path, ranges)
4948 })
4949 })
4950 .collect())
4951 }
4952 }
4953}