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, TryFutureExt};
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 loading_local_worktrees:
68 HashMap<Arc<Path>, Shared<Task<Result<ModelHandle<Worktree>, Arc<anyhow::Error>>>>>,
69 opened_buffers: HashMap<u64, OpenBuffer>,
70 nonce: u128,
71}
72
73enum OpenBuffer {
74 Strong(ModelHandle<Buffer>),
75 Weak(WeakModelHandle<Buffer>),
76 Loading(Vec<Operation>),
77}
78
79enum WorktreeHandle {
80 Strong(ModelHandle<Worktree>),
81 Weak(WeakModelHandle<Worktree>),
82}
83
84enum ProjectClientState {
85 Local {
86 is_shared: bool,
87 remote_id_tx: watch::Sender<Option<u64>>,
88 remote_id_rx: watch::Receiver<Option<u64>>,
89 _maintain_remote_id_task: Task<Option<()>>,
90 },
91 Remote {
92 sharing_has_stopped: bool,
93 remote_id: u64,
94 replica_id: ReplicaId,
95 },
96}
97
98#[derive(Clone, Debug)]
99pub struct Collaborator {
100 pub user: Arc<User>,
101 pub peer_id: PeerId,
102 pub replica_id: ReplicaId,
103}
104
105#[derive(Clone, Debug, PartialEq)]
106pub enum Event {
107 ActiveEntryChanged(Option<ProjectEntry>),
108 WorktreeRemoved(WorktreeId),
109 DiskBasedDiagnosticsStarted,
110 DiskBasedDiagnosticsUpdated,
111 DiskBasedDiagnosticsFinished,
112 DiagnosticsUpdated(ProjectPath),
113}
114
115#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
116pub struct ProjectPath {
117 pub worktree_id: WorktreeId,
118 pub path: Arc<Path>,
119}
120
121#[derive(Clone, Debug, Default, PartialEq)]
122pub struct DiagnosticSummary {
123 pub error_count: usize,
124 pub warning_count: usize,
125 pub info_count: usize,
126 pub hint_count: usize,
127}
128
129#[derive(Debug)]
130pub struct Location {
131 pub buffer: ModelHandle<Buffer>,
132 pub range: Range<language::Anchor>,
133}
134
135#[derive(Debug)]
136pub struct DocumentHighlight {
137 pub range: Range<language::Anchor>,
138 pub kind: DocumentHighlightKind,
139}
140
141#[derive(Clone, Debug)]
142pub struct Symbol {
143 pub source_worktree_id: WorktreeId,
144 pub worktree_id: WorktreeId,
145 pub language_name: String,
146 pub path: PathBuf,
147 pub label: CodeLabel,
148 pub name: String,
149 pub kind: lsp::SymbolKind,
150 pub range: Range<PointUtf16>,
151 pub signature: [u8; 32],
152}
153
154#[derive(Default)]
155pub struct ProjectTransaction(pub HashMap<ModelHandle<Buffer>, language::Transaction>);
156
157impl DiagnosticSummary {
158 fn new<'a, T: 'a>(diagnostics: impl IntoIterator<Item = &'a DiagnosticEntry<T>>) -> Self {
159 let mut this = Self {
160 error_count: 0,
161 warning_count: 0,
162 info_count: 0,
163 hint_count: 0,
164 };
165
166 for entry in diagnostics {
167 if entry.diagnostic.is_primary {
168 match entry.diagnostic.severity {
169 DiagnosticSeverity::ERROR => this.error_count += 1,
170 DiagnosticSeverity::WARNING => this.warning_count += 1,
171 DiagnosticSeverity::INFORMATION => this.info_count += 1,
172 DiagnosticSeverity::HINT => this.hint_count += 1,
173 _ => {}
174 }
175 }
176 }
177
178 this
179 }
180
181 pub fn to_proto(&self, path: &Path) -> proto::DiagnosticSummary {
182 proto::DiagnosticSummary {
183 path: path.to_string_lossy().to_string(),
184 error_count: self.error_count as u32,
185 warning_count: self.warning_count as u32,
186 info_count: self.info_count as u32,
187 hint_count: self.hint_count as u32,
188 }
189 }
190}
191
192#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
193pub struct ProjectEntry {
194 pub worktree_id: WorktreeId,
195 pub entry_id: usize,
196}
197
198impl Project {
199 pub fn init(client: &Arc<Client>) {
200 client.add_entity_message_handler(Self::handle_add_collaborator);
201 client.add_entity_message_handler(Self::handle_buffer_reloaded);
202 client.add_entity_message_handler(Self::handle_buffer_saved);
203 client.add_entity_message_handler(Self::handle_close_buffer);
204 client.add_entity_message_handler(Self::handle_disk_based_diagnostics_updated);
205 client.add_entity_message_handler(Self::handle_disk_based_diagnostics_updating);
206 client.add_entity_message_handler(Self::handle_remove_collaborator);
207 client.add_entity_message_handler(Self::handle_register_worktree);
208 client.add_entity_message_handler(Self::handle_unregister_worktree);
209 client.add_entity_message_handler(Self::handle_unshare_project);
210 client.add_entity_message_handler(Self::handle_update_buffer_file);
211 client.add_entity_message_handler(Self::handle_update_buffer);
212 client.add_entity_message_handler(Self::handle_update_diagnostic_summary);
213 client.add_entity_message_handler(Self::handle_update_worktree);
214 client.add_entity_request_handler(Self::handle_apply_additional_edits_for_completion);
215 client.add_entity_request_handler(Self::handle_apply_code_action);
216 client.add_entity_request_handler(Self::handle_format_buffers);
217 client.add_entity_request_handler(Self::handle_get_code_actions);
218 client.add_entity_request_handler(Self::handle_get_completions);
219 client.add_entity_request_handler(Self::handle_lsp_command::<GetDefinition>);
220 client.add_entity_request_handler(Self::handle_lsp_command::<GetDocumentHighlights>);
221 client.add_entity_request_handler(Self::handle_lsp_command::<GetReferences>);
222 client.add_entity_request_handler(Self::handle_lsp_command::<PrepareRename>);
223 client.add_entity_request_handler(Self::handle_lsp_command::<PerformRename>);
224 client.add_entity_request_handler(Self::handle_search_project);
225 client.add_entity_request_handler(Self::handle_get_project_symbols);
226 client.add_entity_request_handler(Self::handle_open_buffer_for_symbol);
227 client.add_entity_request_handler(Self::handle_open_buffer);
228 client.add_entity_request_handler(Self::handle_save_buffer);
229 }
230
231 pub fn local(
232 client: Arc<Client>,
233 user_store: ModelHandle<UserStore>,
234 languages: Arc<LanguageRegistry>,
235 fs: Arc<dyn Fs>,
236 cx: &mut MutableAppContext,
237 ) -> ModelHandle<Self> {
238 cx.add_model(|cx: &mut ModelContext<Self>| {
239 let (remote_id_tx, remote_id_rx) = watch::channel();
240 let _maintain_remote_id_task = cx.spawn_weak({
241 let rpc = client.clone();
242 move |this, mut cx| {
243 async move {
244 let mut status = rpc.status();
245 while let Some(status) = status.next().await {
246 if let Some(this) = this.upgrade(&cx) {
247 let remote_id = if let client::Status::Connected { .. } = status {
248 let response = rpc.request(proto::RegisterProject {}).await?;
249 Some(response.project_id)
250 } else {
251 None
252 };
253
254 if let Some(project_id) = remote_id {
255 let mut registrations = Vec::new();
256 this.update(&mut cx, |this, cx| {
257 for worktree in this.worktrees(cx).collect::<Vec<_>>() {
258 registrations.push(worktree.update(
259 cx,
260 |worktree, cx| {
261 let worktree = worktree.as_local_mut().unwrap();
262 worktree.register(project_id, cx)
263 },
264 ));
265 }
266 });
267 for registration in registrations {
268 registration.await?;
269 }
270 }
271 this.update(&mut cx, |this, cx| this.set_remote_id(remote_id, cx));
272 }
273 }
274 Ok(())
275 }
276 .log_err()
277 }
278 });
279
280 let (opened_buffer_tx, opened_buffer_rx) = watch::channel();
281 Self {
282 worktrees: Default::default(),
283 collaborators: Default::default(),
284 opened_buffers: Default::default(),
285 shared_buffers: Default::default(),
286 loading_buffers: Default::default(),
287 loading_local_worktrees: Default::default(),
288 client_state: ProjectClientState::Local {
289 is_shared: false,
290 remote_id_tx,
291 remote_id_rx,
292 _maintain_remote_id_task,
293 },
294 opened_buffer: (Rc::new(RefCell::new(opened_buffer_tx)), opened_buffer_rx),
295 subscriptions: Vec::new(),
296 active_entry: None,
297 languages,
298 client,
299 user_store,
300 fs,
301 language_servers_with_diagnostics_running: 0,
302 language_servers: Default::default(),
303 started_language_servers: Default::default(),
304 nonce: StdRng::from_entropy().gen(),
305 }
306 })
307 }
308
309 pub async fn remote(
310 remote_id: u64,
311 client: Arc<Client>,
312 user_store: ModelHandle<UserStore>,
313 languages: Arc<LanguageRegistry>,
314 fs: Arc<dyn Fs>,
315 cx: &mut AsyncAppContext,
316 ) -> Result<ModelHandle<Self>> {
317 client.authenticate_and_connect(&cx).await?;
318
319 let response = client
320 .request(proto::JoinProject {
321 project_id: remote_id,
322 })
323 .await?;
324
325 let replica_id = response.replica_id as ReplicaId;
326
327 let mut worktrees = Vec::new();
328 for worktree in response.worktrees {
329 let (worktree, load_task) = cx
330 .update(|cx| Worktree::remote(remote_id, replica_id, worktree, client.clone(), cx));
331 worktrees.push(worktree);
332 load_task.detach();
333 }
334
335 let (opened_buffer_tx, opened_buffer_rx) = watch::channel();
336 let this = cx.add_model(|cx| {
337 let mut this = Self {
338 worktrees: Vec::new(),
339 loading_buffers: Default::default(),
340 opened_buffer: (Rc::new(RefCell::new(opened_buffer_tx)), opened_buffer_rx),
341 shared_buffers: Default::default(),
342 loading_local_worktrees: Default::default(),
343 active_entry: None,
344 collaborators: Default::default(),
345 languages,
346 user_store: user_store.clone(),
347 fs,
348 subscriptions: vec![client.add_model_for_remote_entity(remote_id, cx)],
349 client,
350 client_state: ProjectClientState::Remote {
351 sharing_has_stopped: false,
352 remote_id,
353 replica_id,
354 },
355 language_servers_with_diagnostics_running: 0,
356 language_servers: Default::default(),
357 started_language_servers: Default::default(),
358 opened_buffers: Default::default(),
359 nonce: StdRng::from_entropy().gen(),
360 };
361 for worktree in worktrees {
362 this.add_worktree(&worktree, cx);
363 }
364 this
365 });
366
367 let user_ids = response
368 .collaborators
369 .iter()
370 .map(|peer| peer.user_id)
371 .collect();
372 user_store
373 .update(cx, |user_store, cx| user_store.load_users(user_ids, cx))
374 .await?;
375 let mut collaborators = HashMap::default();
376 for message in response.collaborators {
377 let collaborator = Collaborator::from_proto(message, &user_store, cx).await?;
378 collaborators.insert(collaborator.peer_id, collaborator);
379 }
380
381 this.update(cx, |this, _| {
382 this.collaborators = collaborators;
383 });
384
385 Ok(this)
386 }
387
388 #[cfg(any(test, feature = "test-support"))]
389 pub fn test(fs: Arc<dyn Fs>, cx: &mut gpui::TestAppContext) -> ModelHandle<Project> {
390 let languages = Arc::new(LanguageRegistry::new());
391 let http_client = client::test::FakeHttpClient::with_404_response();
392 let client = client::Client::new(http_client.clone());
393 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http_client, cx));
394 cx.update(|cx| Project::local(client, user_store, languages, fs, cx))
395 }
396
397 #[cfg(any(test, feature = "test-support"))]
398 pub fn buffer_for_id(&self, remote_id: u64, cx: &AppContext) -> Option<ModelHandle<Buffer>> {
399 self.opened_buffers
400 .get(&remote_id)
401 .and_then(|buffer| buffer.upgrade(cx))
402 }
403
404 #[cfg(any(test, feature = "test-support"))]
405 pub fn languages(&self) -> &Arc<LanguageRegistry> {
406 &self.languages
407 }
408
409 #[cfg(any(test, feature = "test-support"))]
410 pub fn check_invariants(&self, cx: &AppContext) {
411 if self.is_local() {
412 let mut worktree_root_paths = HashMap::default();
413 for worktree in self.worktrees(cx) {
414 let worktree = worktree.read(cx);
415 let abs_path = worktree.as_local().unwrap().abs_path().clone();
416 let prev_worktree_id = worktree_root_paths.insert(abs_path.clone(), worktree.id());
417 assert_eq!(
418 prev_worktree_id,
419 None,
420 "abs path {:?} for worktree {:?} is not unique ({:?} was already registered with the same path)",
421 abs_path,
422 worktree.id(),
423 prev_worktree_id
424 )
425 }
426 } else {
427 let replica_id = self.replica_id();
428 for buffer in self.opened_buffers.values() {
429 if let Some(buffer) = buffer.upgrade(cx) {
430 let buffer = buffer.read(cx);
431 assert_eq!(
432 buffer.deferred_ops_len(),
433 0,
434 "replica {}, buffer {} has deferred operations",
435 replica_id,
436 buffer.remote_id()
437 );
438 }
439 }
440 }
441 }
442
443 #[cfg(any(test, feature = "test-support"))]
444 pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &AppContext) -> bool {
445 let path = path.into();
446 if let Some(worktree) = self.worktree_for_id(path.worktree_id, cx) {
447 self.opened_buffers.iter().any(|(_, buffer)| {
448 if let Some(buffer) = buffer.upgrade(cx) {
449 if let Some(file) = File::from_dyn(buffer.read(cx).file()) {
450 if file.worktree == worktree && file.path() == &path.path {
451 return true;
452 }
453 }
454 }
455 false
456 })
457 } else {
458 false
459 }
460 }
461
462 pub fn fs(&self) -> &Arc<dyn Fs> {
463 &self.fs
464 }
465
466 fn set_remote_id(&mut self, remote_id: Option<u64>, cx: &mut ModelContext<Self>) {
467 if let ProjectClientState::Local { remote_id_tx, .. } = &mut self.client_state {
468 *remote_id_tx.borrow_mut() = remote_id;
469 }
470
471 self.subscriptions.clear();
472 if let Some(remote_id) = remote_id {
473 self.subscriptions
474 .push(self.client.add_model_for_remote_entity(remote_id, cx));
475 }
476 }
477
478 pub fn remote_id(&self) -> Option<u64> {
479 match &self.client_state {
480 ProjectClientState::Local { remote_id_rx, .. } => *remote_id_rx.borrow(),
481 ProjectClientState::Remote { remote_id, .. } => Some(*remote_id),
482 }
483 }
484
485 pub fn next_remote_id(&self) -> impl Future<Output = u64> {
486 let mut id = None;
487 let mut watch = None;
488 match &self.client_state {
489 ProjectClientState::Local { remote_id_rx, .. } => watch = Some(remote_id_rx.clone()),
490 ProjectClientState::Remote { remote_id, .. } => id = Some(*remote_id),
491 }
492
493 async move {
494 if let Some(id) = id {
495 return id;
496 }
497 let mut watch = watch.unwrap();
498 loop {
499 let id = *watch.borrow();
500 if let Some(id) = id {
501 return id;
502 }
503 watch.next().await;
504 }
505 }
506 }
507
508 pub fn replica_id(&self) -> ReplicaId {
509 match &self.client_state {
510 ProjectClientState::Local { .. } => 0,
511 ProjectClientState::Remote { replica_id, .. } => *replica_id,
512 }
513 }
514
515 pub fn collaborators(&self) -> &HashMap<PeerId, Collaborator> {
516 &self.collaborators
517 }
518
519 pub fn worktrees<'a>(
520 &'a self,
521 cx: &'a AppContext,
522 ) -> impl 'a + Iterator<Item = ModelHandle<Worktree>> {
523 self.worktrees
524 .iter()
525 .filter_map(move |worktree| worktree.upgrade(cx))
526 }
527
528 pub fn visible_worktrees<'a>(
529 &'a self,
530 cx: &'a AppContext,
531 ) -> impl 'a + Iterator<Item = ModelHandle<Worktree>> {
532 self.worktrees.iter().filter_map(|worktree| {
533 worktree.upgrade(cx).and_then(|worktree| {
534 if worktree.read(cx).is_visible() {
535 Some(worktree)
536 } else {
537 None
538 }
539 })
540 })
541 }
542
543 pub fn worktree_for_id(
544 &self,
545 id: WorktreeId,
546 cx: &AppContext,
547 ) -> Option<ModelHandle<Worktree>> {
548 self.worktrees(cx)
549 .find(|worktree| worktree.read(cx).id() == id)
550 }
551
552 pub fn share(&self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
553 let rpc = self.client.clone();
554 cx.spawn(|this, mut cx| async move {
555 let project_id = this.update(&mut cx, |this, cx| {
556 if let ProjectClientState::Local {
557 is_shared,
558 remote_id_rx,
559 ..
560 } = &mut this.client_state
561 {
562 *is_shared = true;
563
564 for open_buffer in this.opened_buffers.values_mut() {
565 match open_buffer {
566 OpenBuffer::Strong(_) => {}
567 OpenBuffer::Weak(buffer) => {
568 if let Some(buffer) = buffer.upgrade(cx) {
569 *open_buffer = OpenBuffer::Strong(buffer);
570 }
571 }
572 OpenBuffer::Loading(_) => unreachable!(),
573 }
574 }
575
576 for worktree_handle in this.worktrees.iter_mut() {
577 match worktree_handle {
578 WorktreeHandle::Strong(_) => {}
579 WorktreeHandle::Weak(worktree) => {
580 if let Some(worktree) = worktree.upgrade(cx) {
581 *worktree_handle = WorktreeHandle::Strong(worktree);
582 }
583 }
584 }
585 }
586
587 remote_id_rx
588 .borrow()
589 .ok_or_else(|| anyhow!("no project id"))
590 } else {
591 Err(anyhow!("can't share a remote project"))
592 }
593 })?;
594
595 rpc.request(proto::ShareProject { project_id }).await?;
596
597 let mut tasks = Vec::new();
598 this.update(&mut cx, |this, cx| {
599 for worktree in this.worktrees(cx).collect::<Vec<_>>() {
600 worktree.update(cx, |worktree, cx| {
601 let worktree = worktree.as_local_mut().unwrap();
602 tasks.push(worktree.share(project_id, cx));
603 });
604 }
605 });
606 for task in tasks {
607 task.await?;
608 }
609 this.update(&mut cx, |_, cx| cx.notify());
610 Ok(())
611 })
612 }
613
614 pub fn unshare(&self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
615 let rpc = self.client.clone();
616 cx.spawn(|this, mut cx| async move {
617 let project_id = this.update(&mut cx, |this, cx| {
618 if let ProjectClientState::Local {
619 is_shared,
620 remote_id_rx,
621 ..
622 } = &mut this.client_state
623 {
624 *is_shared = false;
625
626 for open_buffer in this.opened_buffers.values_mut() {
627 match open_buffer {
628 OpenBuffer::Strong(buffer) => {
629 *open_buffer = OpenBuffer::Weak(buffer.downgrade());
630 }
631 _ => {}
632 }
633 }
634
635 for worktree_handle in this.worktrees.iter_mut() {
636 match worktree_handle {
637 WorktreeHandle::Strong(worktree) => {
638 if !worktree.read(cx).is_visible() {
639 *worktree_handle = WorktreeHandle::Weak(worktree.downgrade());
640 }
641 }
642 _ => {}
643 }
644 }
645
646 remote_id_rx
647 .borrow()
648 .ok_or_else(|| anyhow!("no project id"))
649 } else {
650 Err(anyhow!("can't share a remote project"))
651 }
652 })?;
653
654 rpc.send(proto::UnshareProject { project_id })?;
655 this.update(&mut cx, |this, cx| {
656 this.collaborators.clear();
657 this.shared_buffers.clear();
658 for worktree in this.worktrees(cx).collect::<Vec<_>>() {
659 worktree.update(cx, |worktree, _| {
660 worktree.as_local_mut().unwrap().unshare();
661 });
662 }
663 cx.notify()
664 });
665 Ok(())
666 })
667 }
668
669 pub fn is_read_only(&self) -> bool {
670 match &self.client_state {
671 ProjectClientState::Local { .. } => false,
672 ProjectClientState::Remote {
673 sharing_has_stopped,
674 ..
675 } => *sharing_has_stopped,
676 }
677 }
678
679 pub fn is_local(&self) -> bool {
680 match &self.client_state {
681 ProjectClientState::Local { .. } => true,
682 ProjectClientState::Remote { .. } => false,
683 }
684 }
685
686 pub fn is_remote(&self) -> bool {
687 !self.is_local()
688 }
689
690 pub fn open_buffer(
691 &mut self,
692 path: impl Into<ProjectPath>,
693 cx: &mut ModelContext<Self>,
694 ) -> Task<Result<ModelHandle<Buffer>>> {
695 let project_path = path.into();
696 let worktree = if let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) {
697 worktree
698 } else {
699 return Task::ready(Err(anyhow!("no such worktree")));
700 };
701
702 // If there is already a buffer for the given path, then return it.
703 let existing_buffer = self.get_open_buffer(&project_path, cx);
704 if let Some(existing_buffer) = existing_buffer {
705 return Task::ready(Ok(existing_buffer));
706 }
707
708 let mut loading_watch = match self.loading_buffers.entry(project_path.clone()) {
709 // If the given path is already being loaded, then wait for that existing
710 // task to complete and return the same buffer.
711 hash_map::Entry::Occupied(e) => e.get().clone(),
712
713 // Otherwise, record the fact that this path is now being loaded.
714 hash_map::Entry::Vacant(entry) => {
715 let (mut tx, rx) = postage::watch::channel();
716 entry.insert(rx.clone());
717
718 let load_buffer = if worktree.read(cx).is_local() {
719 self.open_local_buffer(&project_path.path, &worktree, cx)
720 } else {
721 self.open_remote_buffer(&project_path.path, &worktree, cx)
722 };
723
724 cx.spawn(move |this, mut cx| async move {
725 let load_result = load_buffer.await;
726 *tx.borrow_mut() = Some(this.update(&mut cx, |this, _| {
727 // Record the fact that the buffer is no longer loading.
728 this.loading_buffers.remove(&project_path);
729 let buffer = load_result.map_err(Arc::new)?;
730 Ok(buffer)
731 }));
732 })
733 .detach();
734 rx
735 }
736 };
737
738 cx.foreground().spawn(async move {
739 loop {
740 if let Some(result) = loading_watch.borrow().as_ref() {
741 match result {
742 Ok(buffer) => return Ok(buffer.clone()),
743 Err(error) => return Err(anyhow!("{}", error)),
744 }
745 }
746 loading_watch.next().await;
747 }
748 })
749 }
750
751 fn open_local_buffer(
752 &mut self,
753 path: &Arc<Path>,
754 worktree: &ModelHandle<Worktree>,
755 cx: &mut ModelContext<Self>,
756 ) -> Task<Result<ModelHandle<Buffer>>> {
757 let load_buffer = worktree.update(cx, |worktree, cx| {
758 let worktree = worktree.as_local_mut().unwrap();
759 worktree.load_buffer(path, cx)
760 });
761 let worktree = worktree.downgrade();
762 cx.spawn(|this, mut cx| async move {
763 let buffer = load_buffer.await?;
764 let worktree = worktree
765 .upgrade(&cx)
766 .ok_or_else(|| anyhow!("worktree was removed"))?;
767 this.update(&mut cx, |this, cx| {
768 this.register_buffer(&buffer, Some(&worktree), cx)
769 })?;
770 Ok(buffer)
771 })
772 }
773
774 fn open_remote_buffer(
775 &mut self,
776 path: &Arc<Path>,
777 worktree: &ModelHandle<Worktree>,
778 cx: &mut ModelContext<Self>,
779 ) -> Task<Result<ModelHandle<Buffer>>> {
780 let rpc = self.client.clone();
781 let project_id = self.remote_id().unwrap();
782 let remote_worktree_id = worktree.read(cx).id();
783 let path = path.clone();
784 let path_string = path.to_string_lossy().to_string();
785 cx.spawn(|this, mut cx| async move {
786 let response = rpc
787 .request(proto::OpenBuffer {
788 project_id,
789 worktree_id: remote_worktree_id.to_proto(),
790 path: path_string,
791 })
792 .await?;
793 let buffer = response.buffer.ok_or_else(|| anyhow!("missing buffer"))?;
794 this.update(&mut cx, |this, cx| this.deserialize_buffer(buffer, cx))
795 .await
796 })
797 }
798
799 fn open_local_buffer_via_lsp(
800 &mut self,
801 abs_path: lsp::Url,
802 lang_name: String,
803 lang_server: Arc<LanguageServer>,
804 cx: &mut ModelContext<Self>,
805 ) -> Task<Result<ModelHandle<Buffer>>> {
806 cx.spawn(|this, mut cx| async move {
807 let abs_path = abs_path
808 .to_file_path()
809 .map_err(|_| anyhow!("can't convert URI to path"))?;
810 let (worktree, relative_path) = if let Some(result) =
811 this.read_with(&cx, |this, cx| this.find_local_worktree(&abs_path, cx))
812 {
813 result
814 } else {
815 let worktree = this
816 .update(&mut cx, |this, cx| {
817 this.create_local_worktree(&abs_path, false, cx)
818 })
819 .await?;
820 this.update(&mut cx, |this, cx| {
821 this.language_servers
822 .insert((worktree.read(cx).id(), lang_name), lang_server);
823 });
824 (worktree, PathBuf::new())
825 };
826
827 let project_path = ProjectPath {
828 worktree_id: worktree.read_with(&cx, |worktree, _| worktree.id()),
829 path: relative_path.into(),
830 };
831 this.update(&mut cx, |this, cx| this.open_buffer(project_path, cx))
832 .await
833 })
834 }
835
836 pub fn save_buffer_as(
837 &mut self,
838 buffer: ModelHandle<Buffer>,
839 abs_path: PathBuf,
840 cx: &mut ModelContext<Project>,
841 ) -> Task<Result<()>> {
842 let worktree_task = self.find_or_create_local_worktree(&abs_path, true, cx);
843 cx.spawn(|this, mut cx| async move {
844 let (worktree, path) = worktree_task.await?;
845 worktree
846 .update(&mut cx, |worktree, cx| {
847 worktree
848 .as_local_mut()
849 .unwrap()
850 .save_buffer_as(buffer.clone(), path, cx)
851 })
852 .await?;
853 this.update(&mut cx, |this, cx| {
854 this.assign_language_to_buffer(&buffer, Some(&worktree), cx);
855 });
856 Ok(())
857 })
858 }
859
860 pub fn get_open_buffer(
861 &mut self,
862 path: &ProjectPath,
863 cx: &mut ModelContext<Self>,
864 ) -> Option<ModelHandle<Buffer>> {
865 let worktree = self.worktree_for_id(path.worktree_id, cx)?;
866 self.opened_buffers.values().find_map(|buffer| {
867 let buffer = buffer.upgrade(cx)?;
868 let file = File::from_dyn(buffer.read(cx).file())?;
869 if file.worktree == worktree && file.path() == &path.path {
870 Some(buffer)
871 } else {
872 None
873 }
874 })
875 }
876
877 fn register_buffer(
878 &mut self,
879 buffer: &ModelHandle<Buffer>,
880 worktree: Option<&ModelHandle<Worktree>>,
881 cx: &mut ModelContext<Self>,
882 ) -> Result<()> {
883 let remote_id = buffer.read(cx).remote_id();
884 let open_buffer = if self.is_remote() || self.is_shared() {
885 OpenBuffer::Strong(buffer.clone())
886 } else {
887 OpenBuffer::Weak(buffer.downgrade())
888 };
889
890 match self.opened_buffers.insert(remote_id, open_buffer) {
891 None => {}
892 Some(OpenBuffer::Loading(operations)) => {
893 buffer.update(cx, |buffer, cx| buffer.apply_ops(operations, cx))?
894 }
895 Some(OpenBuffer::Weak(existing_handle)) => {
896 if existing_handle.upgrade(cx).is_some() {
897 Err(anyhow!(
898 "already registered buffer with remote id {}",
899 remote_id
900 ))?
901 }
902 }
903 Some(OpenBuffer::Strong(_)) => Err(anyhow!(
904 "already registered buffer with remote id {}",
905 remote_id
906 ))?,
907 }
908 self.assign_language_to_buffer(&buffer, worktree, cx);
909 Ok(())
910 }
911
912 fn assign_language_to_buffer(
913 &mut self,
914 buffer: &ModelHandle<Buffer>,
915 worktree: Option<&ModelHandle<Worktree>>,
916 cx: &mut ModelContext<Self>,
917 ) -> Option<()> {
918 let (path, full_path) = {
919 let file = buffer.read(cx).file()?;
920 (file.path().clone(), file.full_path(cx))
921 };
922
923 // If the buffer has a language, set it and start/assign the language server
924 if let Some(language) = self.languages.select_language(&full_path) {
925 buffer.update(cx, |buffer, cx| {
926 buffer.set_language(Some(language.clone()), cx);
927 });
928
929 // For local worktrees, start a language server if needed.
930 // Also assign the language server and any previously stored diagnostics to the buffer.
931 if let Some(local_worktree) = worktree.and_then(|w| w.read(cx).as_local()) {
932 let worktree_id = local_worktree.id();
933 let worktree_abs_path = local_worktree.abs_path().clone();
934 let buffer = buffer.downgrade();
935 let language_server =
936 self.start_language_server(worktree_id, worktree_abs_path, language, cx);
937
938 cx.spawn_weak(|_, mut cx| async move {
939 if let Some(language_server) = language_server.await {
940 if let Some(buffer) = buffer.upgrade(&cx) {
941 buffer.update(&mut cx, |buffer, cx| {
942 buffer.set_language_server(Some(language_server), cx);
943 });
944 }
945 }
946 })
947 .detach();
948 }
949 }
950
951 if let Some(local_worktree) = worktree.and_then(|w| w.read(cx).as_local()) {
952 if let Some(diagnostics) = local_worktree.diagnostics_for_path(&path) {
953 buffer.update(cx, |buffer, cx| {
954 buffer.update_diagnostics(diagnostics, None, cx).log_err();
955 });
956 }
957 }
958
959 None
960 }
961
962 fn start_language_server(
963 &mut self,
964 worktree_id: WorktreeId,
965 worktree_path: Arc<Path>,
966 language: Arc<Language>,
967 cx: &mut ModelContext<Self>,
968 ) -> Shared<Task<Option<Arc<LanguageServer>>>> {
969 enum LspEvent {
970 DiagnosticsStart,
971 DiagnosticsUpdate(lsp::PublishDiagnosticsParams),
972 DiagnosticsFinish,
973 }
974
975 let key = (worktree_id, language.name().to_string());
976 self.started_language_servers
977 .entry(key.clone())
978 .or_insert_with(|| {
979 let language_server = self.languages.start_language_server(
980 &language,
981 worktree_path,
982 self.client.http_client(),
983 cx,
984 );
985 let rpc = self.client.clone();
986 cx.spawn_weak(|this, mut cx| async move {
987 let language_server = language_server?.await.log_err()?;
988 if let Some(this) = this.upgrade(&cx) {
989 this.update(&mut cx, |this, _| {
990 this.language_servers.insert(key, language_server.clone());
991 });
992 }
993
994 let disk_based_sources = language
995 .disk_based_diagnostic_sources()
996 .cloned()
997 .unwrap_or_default();
998 let disk_based_diagnostics_progress_token =
999 language.disk_based_diagnostics_progress_token().cloned();
1000 let has_disk_based_diagnostic_progress_token =
1001 disk_based_diagnostics_progress_token.is_some();
1002 let (diagnostics_tx, diagnostics_rx) = smol::channel::unbounded();
1003
1004 // Listen for `PublishDiagnostics` notifications.
1005 language_server
1006 .on_notification::<lsp::notification::PublishDiagnostics, _>({
1007 let diagnostics_tx = diagnostics_tx.clone();
1008 move |params| {
1009 if !has_disk_based_diagnostic_progress_token {
1010 block_on(diagnostics_tx.send(LspEvent::DiagnosticsStart)).ok();
1011 }
1012 block_on(diagnostics_tx.send(LspEvent::DiagnosticsUpdate(params)))
1013 .ok();
1014 if !has_disk_based_diagnostic_progress_token {
1015 block_on(diagnostics_tx.send(LspEvent::DiagnosticsFinish)).ok();
1016 }
1017 }
1018 })
1019 .detach();
1020
1021 // Listen for `Progress` notifications. Send an event when the language server
1022 // transitions between running jobs and not running any jobs.
1023 let mut running_jobs_for_this_server: i32 = 0;
1024 language_server
1025 .on_notification::<lsp::notification::Progress, _>(move |params| {
1026 let token = match params.token {
1027 lsp::NumberOrString::Number(_) => None,
1028 lsp::NumberOrString::String(token) => Some(token),
1029 };
1030
1031 if token == disk_based_diagnostics_progress_token {
1032 match params.value {
1033 lsp::ProgressParamsValue::WorkDone(progress) => {
1034 match progress {
1035 lsp::WorkDoneProgress::Begin(_) => {
1036 running_jobs_for_this_server += 1;
1037 if running_jobs_for_this_server == 1 {
1038 block_on(
1039 diagnostics_tx
1040 .send(LspEvent::DiagnosticsStart),
1041 )
1042 .ok();
1043 }
1044 }
1045 lsp::WorkDoneProgress::End(_) => {
1046 running_jobs_for_this_server -= 1;
1047 if running_jobs_for_this_server == 0 {
1048 block_on(
1049 diagnostics_tx
1050 .send(LspEvent::DiagnosticsFinish),
1051 )
1052 .ok();
1053 }
1054 }
1055 _ => {}
1056 }
1057 }
1058 }
1059 }
1060 })
1061 .detach();
1062
1063 // Process all the LSP events.
1064 cx.spawn(|mut cx| async move {
1065 while let Ok(message) = diagnostics_rx.recv().await {
1066 let this = this.upgrade(&cx)?;
1067 match message {
1068 LspEvent::DiagnosticsStart => {
1069 this.update(&mut cx, |this, cx| {
1070 this.disk_based_diagnostics_started(cx);
1071 if let Some(project_id) = this.remote_id() {
1072 rpc.send(proto::DiskBasedDiagnosticsUpdating {
1073 project_id,
1074 })
1075 .log_err();
1076 }
1077 });
1078 }
1079 LspEvent::DiagnosticsUpdate(mut params) => {
1080 language.process_diagnostics(&mut params);
1081 this.update(&mut cx, |this, cx| {
1082 this.update_diagnostics(params, &disk_based_sources, cx)
1083 .log_err();
1084 });
1085 }
1086 LspEvent::DiagnosticsFinish => {
1087 this.update(&mut cx, |this, cx| {
1088 this.disk_based_diagnostics_finished(cx);
1089 if let Some(project_id) = this.remote_id() {
1090 rpc.send(proto::DiskBasedDiagnosticsUpdated {
1091 project_id,
1092 })
1093 .log_err();
1094 }
1095 });
1096 }
1097 }
1098 }
1099 Some(())
1100 })
1101 .detach();
1102
1103 Some(language_server)
1104 })
1105 .shared()
1106 })
1107 .clone()
1108 }
1109
1110 pub fn update_diagnostics(
1111 &mut self,
1112 params: lsp::PublishDiagnosticsParams,
1113 disk_based_sources: &HashSet<String>,
1114 cx: &mut ModelContext<Self>,
1115 ) -> Result<()> {
1116 let abs_path = params
1117 .uri
1118 .to_file_path()
1119 .map_err(|_| anyhow!("URI is not a file"))?;
1120 let mut next_group_id = 0;
1121 let mut diagnostics = Vec::default();
1122 let mut primary_diagnostic_group_ids = HashMap::default();
1123 let mut sources_by_group_id = HashMap::default();
1124 let mut supporting_diagnostic_severities = HashMap::default();
1125 for diagnostic in ¶ms.diagnostics {
1126 let source = diagnostic.source.as_ref();
1127 let code = diagnostic.code.as_ref().map(|code| match code {
1128 lsp::NumberOrString::Number(code) => code.to_string(),
1129 lsp::NumberOrString::String(code) => code.clone(),
1130 });
1131 let range = range_from_lsp(diagnostic.range);
1132 let is_supporting = diagnostic
1133 .related_information
1134 .as_ref()
1135 .map_or(false, |infos| {
1136 infos.iter().any(|info| {
1137 primary_diagnostic_group_ids.contains_key(&(
1138 source,
1139 code.clone(),
1140 range_from_lsp(info.location.range),
1141 ))
1142 })
1143 });
1144
1145 if is_supporting {
1146 if let Some(severity) = diagnostic.severity {
1147 supporting_diagnostic_severities
1148 .insert((source, code.clone(), range), severity);
1149 }
1150 } else {
1151 let group_id = post_inc(&mut next_group_id);
1152 let is_disk_based =
1153 source.map_or(false, |source| disk_based_sources.contains(source));
1154
1155 sources_by_group_id.insert(group_id, source);
1156 primary_diagnostic_group_ids
1157 .insert((source, code.clone(), range.clone()), group_id);
1158
1159 diagnostics.push(DiagnosticEntry {
1160 range,
1161 diagnostic: Diagnostic {
1162 code: code.clone(),
1163 severity: diagnostic.severity.unwrap_or(DiagnosticSeverity::ERROR),
1164 message: diagnostic.message.clone(),
1165 group_id,
1166 is_primary: true,
1167 is_valid: true,
1168 is_disk_based,
1169 },
1170 });
1171 if let Some(infos) = &diagnostic.related_information {
1172 for info in infos {
1173 if info.location.uri == params.uri && !info.message.is_empty() {
1174 let range = range_from_lsp(info.location.range);
1175 diagnostics.push(DiagnosticEntry {
1176 range,
1177 diagnostic: Diagnostic {
1178 code: code.clone(),
1179 severity: DiagnosticSeverity::INFORMATION,
1180 message: info.message.clone(),
1181 group_id,
1182 is_primary: false,
1183 is_valid: true,
1184 is_disk_based,
1185 },
1186 });
1187 }
1188 }
1189 }
1190 }
1191 }
1192
1193 for entry in &mut diagnostics {
1194 let diagnostic = &mut entry.diagnostic;
1195 if !diagnostic.is_primary {
1196 let source = *sources_by_group_id.get(&diagnostic.group_id).unwrap();
1197 if let Some(&severity) = supporting_diagnostic_severities.get(&(
1198 source,
1199 diagnostic.code.clone(),
1200 entry.range.clone(),
1201 )) {
1202 diagnostic.severity = severity;
1203 }
1204 }
1205 }
1206
1207 self.update_diagnostic_entries(abs_path, params.version, diagnostics, cx)?;
1208 Ok(())
1209 }
1210
1211 pub fn update_diagnostic_entries(
1212 &mut self,
1213 abs_path: PathBuf,
1214 version: Option<i32>,
1215 diagnostics: Vec<DiagnosticEntry<PointUtf16>>,
1216 cx: &mut ModelContext<Project>,
1217 ) -> Result<(), anyhow::Error> {
1218 let (worktree, relative_path) = self
1219 .find_local_worktree(&abs_path, cx)
1220 .ok_or_else(|| anyhow!("no worktree found for diagnostics"))?;
1221 if !worktree.read(cx).is_visible() {
1222 return Ok(());
1223 }
1224
1225 let project_path = ProjectPath {
1226 worktree_id: worktree.read(cx).id(),
1227 path: relative_path.into(),
1228 };
1229
1230 for buffer in self.opened_buffers.values() {
1231 if let Some(buffer) = buffer.upgrade(cx) {
1232 if buffer
1233 .read(cx)
1234 .file()
1235 .map_or(false, |file| *file.path() == project_path.path)
1236 {
1237 buffer.update(cx, |buffer, cx| {
1238 buffer.update_diagnostics(diagnostics.clone(), version, cx)
1239 })?;
1240 break;
1241 }
1242 }
1243 }
1244 worktree.update(cx, |worktree, cx| {
1245 worktree
1246 .as_local_mut()
1247 .ok_or_else(|| anyhow!("not a local worktree"))?
1248 .update_diagnostics(project_path.path.clone(), diagnostics, cx)
1249 })?;
1250 cx.emit(Event::DiagnosticsUpdated(project_path));
1251 Ok(())
1252 }
1253
1254 pub fn format(
1255 &self,
1256 buffers: HashSet<ModelHandle<Buffer>>,
1257 push_to_history: bool,
1258 cx: &mut ModelContext<Project>,
1259 ) -> Task<Result<ProjectTransaction>> {
1260 let mut local_buffers = Vec::new();
1261 let mut remote_buffers = None;
1262 for buffer_handle in buffers {
1263 let buffer = buffer_handle.read(cx);
1264 let worktree;
1265 if let Some(file) = File::from_dyn(buffer.file()) {
1266 worktree = file.worktree.clone();
1267 if let Some(buffer_abs_path) = file.as_local().map(|f| f.abs_path(cx)) {
1268 let lang_server;
1269 if let Some(lang) = buffer.language() {
1270 if let Some(server) = self
1271 .language_servers
1272 .get(&(worktree.read(cx).id(), lang.name().to_string()))
1273 {
1274 lang_server = server.clone();
1275 } else {
1276 return Task::ready(Ok(Default::default()));
1277 };
1278 } else {
1279 return Task::ready(Ok(Default::default()));
1280 }
1281
1282 local_buffers.push((buffer_handle, buffer_abs_path, lang_server));
1283 } else {
1284 remote_buffers.get_or_insert(Vec::new()).push(buffer_handle);
1285 }
1286 } else {
1287 return Task::ready(Ok(Default::default()));
1288 }
1289 }
1290
1291 let remote_buffers = self.remote_id().zip(remote_buffers);
1292 let client = self.client.clone();
1293
1294 cx.spawn(|this, mut cx| async move {
1295 let mut project_transaction = ProjectTransaction::default();
1296
1297 if let Some((project_id, remote_buffers)) = remote_buffers {
1298 let response = client
1299 .request(proto::FormatBuffers {
1300 project_id,
1301 buffer_ids: remote_buffers
1302 .iter()
1303 .map(|buffer| buffer.read_with(&cx, |buffer, _| buffer.remote_id()))
1304 .collect(),
1305 })
1306 .await?
1307 .transaction
1308 .ok_or_else(|| anyhow!("missing transaction"))?;
1309 project_transaction = this
1310 .update(&mut cx, |this, cx| {
1311 this.deserialize_project_transaction(response, push_to_history, cx)
1312 })
1313 .await?;
1314 }
1315
1316 for (buffer, buffer_abs_path, lang_server) in local_buffers {
1317 let capabilities = if let Some(capabilities) = lang_server.capabilities().await {
1318 capabilities
1319 } else {
1320 continue;
1321 };
1322
1323 let text_document = lsp::TextDocumentIdentifier::new(
1324 lsp::Url::from_file_path(&buffer_abs_path).unwrap(),
1325 );
1326 let lsp_edits = if capabilities.document_formatting_provider.is_some() {
1327 lang_server
1328 .request::<lsp::request::Formatting>(lsp::DocumentFormattingParams {
1329 text_document,
1330 options: Default::default(),
1331 work_done_progress_params: Default::default(),
1332 })
1333 .await?
1334 } else if capabilities.document_range_formatting_provider.is_some() {
1335 let buffer_start = lsp::Position::new(0, 0);
1336 let buffer_end = buffer
1337 .read_with(&cx, |buffer, _| buffer.max_point_utf16())
1338 .to_lsp_position();
1339 lang_server
1340 .request::<lsp::request::RangeFormatting>(
1341 lsp::DocumentRangeFormattingParams {
1342 text_document,
1343 range: lsp::Range::new(buffer_start, buffer_end),
1344 options: Default::default(),
1345 work_done_progress_params: Default::default(),
1346 },
1347 )
1348 .await?
1349 } else {
1350 continue;
1351 };
1352
1353 if let Some(lsp_edits) = lsp_edits {
1354 let edits = buffer
1355 .update(&mut cx, |buffer, cx| {
1356 buffer.edits_from_lsp(lsp_edits, None, cx)
1357 })
1358 .await?;
1359 buffer.update(&mut cx, |buffer, cx| {
1360 buffer.finalize_last_transaction();
1361 buffer.start_transaction();
1362 for (range, text) in edits {
1363 buffer.edit([range], text, cx);
1364 }
1365 if buffer.end_transaction(cx).is_some() {
1366 let transaction = buffer.finalize_last_transaction().unwrap().clone();
1367 if !push_to_history {
1368 buffer.forget_transaction(transaction.id);
1369 }
1370 project_transaction.0.insert(cx.handle(), transaction);
1371 }
1372 });
1373 }
1374 }
1375
1376 Ok(project_transaction)
1377 })
1378 }
1379
1380 pub fn definition<T: ToPointUtf16>(
1381 &self,
1382 buffer: &ModelHandle<Buffer>,
1383 position: T,
1384 cx: &mut ModelContext<Self>,
1385 ) -> Task<Result<Vec<Location>>> {
1386 let position = position.to_point_utf16(buffer.read(cx));
1387 self.request_lsp(buffer.clone(), GetDefinition { position }, cx)
1388 }
1389
1390 pub fn references<T: ToPointUtf16>(
1391 &self,
1392 buffer: &ModelHandle<Buffer>,
1393 position: T,
1394 cx: &mut ModelContext<Self>,
1395 ) -> Task<Result<Vec<Location>>> {
1396 let position = position.to_point_utf16(buffer.read(cx));
1397 self.request_lsp(buffer.clone(), GetReferences { position }, cx)
1398 }
1399
1400 pub fn document_highlights<T: ToPointUtf16>(
1401 &self,
1402 buffer: &ModelHandle<Buffer>,
1403 position: T,
1404 cx: &mut ModelContext<Self>,
1405 ) -> Task<Result<Vec<DocumentHighlight>>> {
1406 let position = position.to_point_utf16(buffer.read(cx));
1407
1408 self.request_lsp(buffer.clone(), GetDocumentHighlights { position }, cx)
1409 }
1410
1411 pub fn symbols(&self, query: &str, cx: &mut ModelContext<Self>) -> Task<Result<Vec<Symbol>>> {
1412 if self.is_local() {
1413 let mut language_servers = HashMap::default();
1414 for ((worktree_id, language_name), language_server) in self.language_servers.iter() {
1415 if let Some((worktree, language)) = self
1416 .worktree_for_id(*worktree_id, cx)
1417 .and_then(|worktree| worktree.read(cx).as_local())
1418 .zip(self.languages.get_language(language_name))
1419 {
1420 language_servers
1421 .entry(Arc::as_ptr(language_server))
1422 .or_insert((
1423 language_server.clone(),
1424 *worktree_id,
1425 worktree.abs_path().clone(),
1426 language.clone(),
1427 ));
1428 }
1429 }
1430
1431 let mut requests = Vec::new();
1432 for (language_server, _, _, _) in language_servers.values() {
1433 requests.push(language_server.request::<lsp::request::WorkspaceSymbol>(
1434 lsp::WorkspaceSymbolParams {
1435 query: query.to_string(),
1436 ..Default::default()
1437 },
1438 ));
1439 }
1440
1441 cx.spawn_weak(|this, cx| async move {
1442 let responses = futures::future::try_join_all(requests).await?;
1443
1444 let mut symbols = Vec::new();
1445 if let Some(this) = this.upgrade(&cx) {
1446 this.read_with(&cx, |this, cx| {
1447 for ((_, source_worktree_id, worktree_abs_path, language), lsp_symbols) in
1448 language_servers.into_values().zip(responses)
1449 {
1450 symbols.extend(lsp_symbols.into_iter().flatten().filter_map(
1451 |lsp_symbol| {
1452 let abs_path = lsp_symbol.location.uri.to_file_path().ok()?;
1453 let mut worktree_id = source_worktree_id;
1454 let path;
1455 if let Some((worktree, rel_path)) =
1456 this.find_local_worktree(&abs_path, cx)
1457 {
1458 worktree_id = worktree.read(cx).id();
1459 path = rel_path;
1460 } else {
1461 path = relativize_path(&worktree_abs_path, &abs_path);
1462 }
1463
1464 let label = language
1465 .label_for_symbol(&lsp_symbol.name, lsp_symbol.kind)
1466 .unwrap_or_else(|| {
1467 CodeLabel::plain(lsp_symbol.name.clone(), None)
1468 });
1469 let signature = this.symbol_signature(worktree_id, &path);
1470
1471 Some(Symbol {
1472 source_worktree_id,
1473 worktree_id,
1474 language_name: language.name().to_string(),
1475 name: lsp_symbol.name,
1476 kind: lsp_symbol.kind,
1477 label,
1478 path,
1479 range: range_from_lsp(lsp_symbol.location.range),
1480 signature,
1481 })
1482 },
1483 ));
1484 }
1485 })
1486 }
1487
1488 Ok(symbols)
1489 })
1490 } else if let Some(project_id) = self.remote_id() {
1491 let request = self.client.request(proto::GetProjectSymbols {
1492 project_id,
1493 query: query.to_string(),
1494 });
1495 cx.spawn_weak(|this, cx| async move {
1496 let response = request.await?;
1497 let mut symbols = Vec::new();
1498 if let Some(this) = this.upgrade(&cx) {
1499 this.read_with(&cx, |this, _| {
1500 symbols.extend(
1501 response
1502 .symbols
1503 .into_iter()
1504 .filter_map(|symbol| this.deserialize_symbol(symbol).log_err()),
1505 );
1506 })
1507 }
1508 Ok(symbols)
1509 })
1510 } else {
1511 Task::ready(Ok(Default::default()))
1512 }
1513 }
1514
1515 pub fn open_buffer_for_symbol(
1516 &mut self,
1517 symbol: &Symbol,
1518 cx: &mut ModelContext<Self>,
1519 ) -> Task<Result<ModelHandle<Buffer>>> {
1520 if self.is_local() {
1521 let language_server = if let Some(server) = self
1522 .language_servers
1523 .get(&(symbol.source_worktree_id, symbol.language_name.clone()))
1524 {
1525 server.clone()
1526 } else {
1527 return Task::ready(Err(anyhow!(
1528 "language server for worktree and language not found"
1529 )));
1530 };
1531
1532 let worktree_abs_path = if let Some(worktree_abs_path) = self
1533 .worktree_for_id(symbol.worktree_id, cx)
1534 .and_then(|worktree| worktree.read(cx).as_local())
1535 .map(|local_worktree| local_worktree.abs_path())
1536 {
1537 worktree_abs_path
1538 } else {
1539 return Task::ready(Err(anyhow!("worktree not found for symbol")));
1540 };
1541 let symbol_abs_path = worktree_abs_path.join(&symbol.path);
1542 let symbol_uri = if let Ok(uri) = lsp::Url::from_file_path(symbol_abs_path) {
1543 uri
1544 } else {
1545 return Task::ready(Err(anyhow!("invalid symbol path")));
1546 };
1547
1548 self.open_local_buffer_via_lsp(
1549 symbol_uri,
1550 symbol.language_name.clone(),
1551 language_server,
1552 cx,
1553 )
1554 } else if let Some(project_id) = self.remote_id() {
1555 let request = self.client.request(proto::OpenBufferForSymbol {
1556 project_id,
1557 symbol: Some(serialize_symbol(symbol)),
1558 });
1559 cx.spawn(|this, mut cx| async move {
1560 let response = request.await?;
1561 let buffer = response.buffer.ok_or_else(|| anyhow!("invalid buffer"))?;
1562 this.update(&mut cx, |this, cx| this.deserialize_buffer(buffer, cx))
1563 .await
1564 })
1565 } else {
1566 Task::ready(Err(anyhow!("project does not have a remote id")))
1567 }
1568 }
1569
1570 pub fn completions<T: ToPointUtf16>(
1571 &self,
1572 source_buffer_handle: &ModelHandle<Buffer>,
1573 position: T,
1574 cx: &mut ModelContext<Self>,
1575 ) -> Task<Result<Vec<Completion>>> {
1576 let source_buffer_handle = source_buffer_handle.clone();
1577 let source_buffer = source_buffer_handle.read(cx);
1578 let buffer_id = source_buffer.remote_id();
1579 let language = source_buffer.language().cloned();
1580 let worktree;
1581 let buffer_abs_path;
1582 if let Some(file) = File::from_dyn(source_buffer.file()) {
1583 worktree = file.worktree.clone();
1584 buffer_abs_path = file.as_local().map(|f| f.abs_path(cx));
1585 } else {
1586 return Task::ready(Ok(Default::default()));
1587 };
1588
1589 let position = position.to_point_utf16(source_buffer);
1590 let anchor = source_buffer.anchor_after(position);
1591
1592 if worktree.read(cx).as_local().is_some() {
1593 let buffer_abs_path = buffer_abs_path.unwrap();
1594 let lang_server = if let Some(server) = source_buffer.language_server().cloned() {
1595 server
1596 } else {
1597 return Task::ready(Ok(Default::default()));
1598 };
1599
1600 cx.spawn(|_, cx| async move {
1601 let completions = lang_server
1602 .request::<lsp::request::Completion>(lsp::CompletionParams {
1603 text_document_position: lsp::TextDocumentPositionParams::new(
1604 lsp::TextDocumentIdentifier::new(
1605 lsp::Url::from_file_path(buffer_abs_path).unwrap(),
1606 ),
1607 position.to_lsp_position(),
1608 ),
1609 context: Default::default(),
1610 work_done_progress_params: Default::default(),
1611 partial_result_params: Default::default(),
1612 })
1613 .await
1614 .context("lsp completion request failed")?;
1615
1616 let completions = if let Some(completions) = completions {
1617 match completions {
1618 lsp::CompletionResponse::Array(completions) => completions,
1619 lsp::CompletionResponse::List(list) => list.items,
1620 }
1621 } else {
1622 Default::default()
1623 };
1624
1625 source_buffer_handle.read_with(&cx, |this, _| {
1626 Ok(completions
1627 .into_iter()
1628 .filter_map(|lsp_completion| {
1629 let (old_range, new_text) = match lsp_completion.text_edit.as_ref()? {
1630 lsp::CompletionTextEdit::Edit(edit) => {
1631 (range_from_lsp(edit.range), edit.new_text.clone())
1632 }
1633 lsp::CompletionTextEdit::InsertAndReplace(_) => {
1634 log::info!("unsupported insert/replace completion");
1635 return None;
1636 }
1637 };
1638
1639 let clipped_start = this.clip_point_utf16(old_range.start, Bias::Left);
1640 let clipped_end = this.clip_point_utf16(old_range.end, Bias::Left);
1641 if clipped_start == old_range.start && clipped_end == old_range.end {
1642 Some(Completion {
1643 old_range: this.anchor_before(old_range.start)
1644 ..this.anchor_after(old_range.end),
1645 new_text,
1646 label: language
1647 .as_ref()
1648 .and_then(|l| l.label_for_completion(&lsp_completion))
1649 .unwrap_or_else(|| {
1650 CodeLabel::plain(
1651 lsp_completion.label.clone(),
1652 lsp_completion.filter_text.as_deref(),
1653 )
1654 }),
1655 lsp_completion,
1656 })
1657 } else {
1658 None
1659 }
1660 })
1661 .collect())
1662 })
1663 })
1664 } else if let Some(project_id) = self.remote_id() {
1665 let rpc = self.client.clone();
1666 let message = proto::GetCompletions {
1667 project_id,
1668 buffer_id,
1669 position: Some(language::proto::serialize_anchor(&anchor)),
1670 version: (&source_buffer.version()).into(),
1671 };
1672 cx.spawn_weak(|_, mut cx| async move {
1673 let response = rpc.request(message).await?;
1674
1675 source_buffer_handle
1676 .update(&mut cx, |buffer, _| {
1677 buffer.wait_for_version(response.version.into())
1678 })
1679 .await;
1680
1681 response
1682 .completions
1683 .into_iter()
1684 .map(|completion| {
1685 language::proto::deserialize_completion(completion, language.as_ref())
1686 })
1687 .collect()
1688 })
1689 } else {
1690 Task::ready(Ok(Default::default()))
1691 }
1692 }
1693
1694 pub fn apply_additional_edits_for_completion(
1695 &self,
1696 buffer_handle: ModelHandle<Buffer>,
1697 completion: Completion,
1698 push_to_history: bool,
1699 cx: &mut ModelContext<Self>,
1700 ) -> Task<Result<Option<Transaction>>> {
1701 let buffer = buffer_handle.read(cx);
1702 let buffer_id = buffer.remote_id();
1703
1704 if self.is_local() {
1705 let lang_server = if let Some(language_server) = buffer.language_server() {
1706 language_server.clone()
1707 } else {
1708 return Task::ready(Err(anyhow!("buffer does not have a language server")));
1709 };
1710
1711 cx.spawn(|_, mut cx| async move {
1712 let resolved_completion = lang_server
1713 .request::<lsp::request::ResolveCompletionItem>(completion.lsp_completion)
1714 .await?;
1715 if let Some(edits) = resolved_completion.additional_text_edits {
1716 let edits = buffer_handle
1717 .update(&mut cx, |buffer, cx| buffer.edits_from_lsp(edits, None, cx))
1718 .await?;
1719 buffer_handle.update(&mut cx, |buffer, cx| {
1720 buffer.finalize_last_transaction();
1721 buffer.start_transaction();
1722 for (range, text) in edits {
1723 buffer.edit([range], text, cx);
1724 }
1725 let transaction = if buffer.end_transaction(cx).is_some() {
1726 let transaction = buffer.finalize_last_transaction().unwrap().clone();
1727 if !push_to_history {
1728 buffer.forget_transaction(transaction.id);
1729 }
1730 Some(transaction)
1731 } else {
1732 None
1733 };
1734 Ok(transaction)
1735 })
1736 } else {
1737 Ok(None)
1738 }
1739 })
1740 } else if let Some(project_id) = self.remote_id() {
1741 let client = self.client.clone();
1742 cx.spawn(|_, mut cx| async move {
1743 let response = client
1744 .request(proto::ApplyCompletionAdditionalEdits {
1745 project_id,
1746 buffer_id,
1747 completion: Some(language::proto::serialize_completion(&completion)),
1748 })
1749 .await?;
1750
1751 if let Some(transaction) = response.transaction {
1752 let transaction = language::proto::deserialize_transaction(transaction)?;
1753 buffer_handle
1754 .update(&mut cx, |buffer, _| {
1755 buffer.wait_for_edits(transaction.edit_ids.iter().copied())
1756 })
1757 .await;
1758 if push_to_history {
1759 buffer_handle.update(&mut cx, |buffer, _| {
1760 buffer.push_transaction(transaction.clone(), Instant::now());
1761 });
1762 }
1763 Ok(Some(transaction))
1764 } else {
1765 Ok(None)
1766 }
1767 })
1768 } else {
1769 Task::ready(Err(anyhow!("project does not have a remote id")))
1770 }
1771 }
1772
1773 pub fn code_actions<T: ToOffset>(
1774 &self,
1775 buffer_handle: &ModelHandle<Buffer>,
1776 range: Range<T>,
1777 cx: &mut ModelContext<Self>,
1778 ) -> Task<Result<Vec<CodeAction>>> {
1779 let buffer_handle = buffer_handle.clone();
1780 let buffer = buffer_handle.read(cx);
1781 let buffer_id = buffer.remote_id();
1782 let worktree;
1783 let buffer_abs_path;
1784 if let Some(file) = File::from_dyn(buffer.file()) {
1785 worktree = file.worktree.clone();
1786 buffer_abs_path = file.as_local().map(|f| f.abs_path(cx));
1787 } else {
1788 return Task::ready(Ok(Default::default()));
1789 };
1790 let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
1791
1792 if worktree.read(cx).as_local().is_some() {
1793 let buffer_abs_path = buffer_abs_path.unwrap();
1794 let lang_name;
1795 let lang_server;
1796 if let Some(lang) = buffer.language() {
1797 lang_name = lang.name().to_string();
1798 if let Some(server) = self
1799 .language_servers
1800 .get(&(worktree.read(cx).id(), lang_name.clone()))
1801 {
1802 lang_server = server.clone();
1803 } else {
1804 return Task::ready(Ok(Default::default()));
1805 };
1806 } else {
1807 return Task::ready(Ok(Default::default()));
1808 }
1809
1810 let lsp_range = lsp::Range::new(
1811 range.start.to_point_utf16(buffer).to_lsp_position(),
1812 range.end.to_point_utf16(buffer).to_lsp_position(),
1813 );
1814 cx.foreground().spawn(async move {
1815 if !lang_server
1816 .capabilities()
1817 .await
1818 .map_or(false, |capabilities| {
1819 capabilities.code_action_provider.is_some()
1820 })
1821 {
1822 return Ok(Default::default());
1823 }
1824
1825 Ok(lang_server
1826 .request::<lsp::request::CodeActionRequest>(lsp::CodeActionParams {
1827 text_document: lsp::TextDocumentIdentifier::new(
1828 lsp::Url::from_file_path(buffer_abs_path).unwrap(),
1829 ),
1830 range: lsp_range,
1831 work_done_progress_params: Default::default(),
1832 partial_result_params: Default::default(),
1833 context: lsp::CodeActionContext {
1834 diagnostics: Default::default(),
1835 only: Some(vec![
1836 lsp::CodeActionKind::QUICKFIX,
1837 lsp::CodeActionKind::REFACTOR,
1838 lsp::CodeActionKind::REFACTOR_EXTRACT,
1839 ]),
1840 },
1841 })
1842 .await?
1843 .unwrap_or_default()
1844 .into_iter()
1845 .filter_map(|entry| {
1846 if let lsp::CodeActionOrCommand::CodeAction(lsp_action) = entry {
1847 Some(CodeAction {
1848 range: range.clone(),
1849 lsp_action,
1850 })
1851 } else {
1852 None
1853 }
1854 })
1855 .collect())
1856 })
1857 } else if let Some(project_id) = self.remote_id() {
1858 let rpc = self.client.clone();
1859 let version = buffer.version();
1860 cx.spawn_weak(|_, mut cx| async move {
1861 let response = rpc
1862 .request(proto::GetCodeActions {
1863 project_id,
1864 buffer_id,
1865 start: Some(language::proto::serialize_anchor(&range.start)),
1866 end: Some(language::proto::serialize_anchor(&range.end)),
1867 version: (&version).into(),
1868 })
1869 .await?;
1870
1871 buffer_handle
1872 .update(&mut cx, |buffer, _| {
1873 buffer.wait_for_version(response.version.into())
1874 })
1875 .await;
1876
1877 response
1878 .actions
1879 .into_iter()
1880 .map(language::proto::deserialize_code_action)
1881 .collect()
1882 })
1883 } else {
1884 Task::ready(Ok(Default::default()))
1885 }
1886 }
1887
1888 pub fn apply_code_action(
1889 &self,
1890 buffer_handle: ModelHandle<Buffer>,
1891 mut action: CodeAction,
1892 push_to_history: bool,
1893 cx: &mut ModelContext<Self>,
1894 ) -> Task<Result<ProjectTransaction>> {
1895 if self.is_local() {
1896 let buffer = buffer_handle.read(cx);
1897 let lang_name = if let Some(lang) = buffer.language() {
1898 lang.name().to_string()
1899 } else {
1900 return Task::ready(Ok(Default::default()));
1901 };
1902 let lang_server = if let Some(language_server) = buffer.language_server() {
1903 language_server.clone()
1904 } else {
1905 return Task::ready(Err(anyhow!("buffer does not have a language server")));
1906 };
1907 let range = action.range.to_point_utf16(buffer);
1908
1909 cx.spawn(|this, mut cx| async move {
1910 if let Some(lsp_range) = action
1911 .lsp_action
1912 .data
1913 .as_mut()
1914 .and_then(|d| d.get_mut("codeActionParams"))
1915 .and_then(|d| d.get_mut("range"))
1916 {
1917 *lsp_range = serde_json::to_value(&lsp::Range::new(
1918 range.start.to_lsp_position(),
1919 range.end.to_lsp_position(),
1920 ))
1921 .unwrap();
1922 action.lsp_action = lang_server
1923 .request::<lsp::request::CodeActionResolveRequest>(action.lsp_action)
1924 .await?;
1925 } else {
1926 let actions = this
1927 .update(&mut cx, |this, cx| {
1928 this.code_actions(&buffer_handle, action.range, cx)
1929 })
1930 .await?;
1931 action.lsp_action = actions
1932 .into_iter()
1933 .find(|a| a.lsp_action.title == action.lsp_action.title)
1934 .ok_or_else(|| anyhow!("code action is outdated"))?
1935 .lsp_action;
1936 }
1937
1938 if let Some(edit) = action.lsp_action.edit {
1939 Self::deserialize_workspace_edit(
1940 this,
1941 edit,
1942 push_to_history,
1943 lang_name,
1944 lang_server,
1945 &mut cx,
1946 )
1947 .await
1948 } else {
1949 Ok(ProjectTransaction::default())
1950 }
1951 })
1952 } else if let Some(project_id) = self.remote_id() {
1953 let client = self.client.clone();
1954 let request = proto::ApplyCodeAction {
1955 project_id,
1956 buffer_id: buffer_handle.read(cx).remote_id(),
1957 action: Some(language::proto::serialize_code_action(&action)),
1958 };
1959 cx.spawn(|this, mut cx| async move {
1960 let response = client
1961 .request(request)
1962 .await?
1963 .transaction
1964 .ok_or_else(|| anyhow!("missing transaction"))?;
1965 this.update(&mut cx, |this, cx| {
1966 this.deserialize_project_transaction(response, push_to_history, cx)
1967 })
1968 .await
1969 })
1970 } else {
1971 Task::ready(Err(anyhow!("project does not have a remote id")))
1972 }
1973 }
1974
1975 async fn deserialize_workspace_edit(
1976 this: ModelHandle<Self>,
1977 edit: lsp::WorkspaceEdit,
1978 push_to_history: bool,
1979 language_name: String,
1980 language_server: Arc<LanguageServer>,
1981 cx: &mut AsyncAppContext,
1982 ) -> Result<ProjectTransaction> {
1983 let fs = this.read_with(cx, |this, _| this.fs.clone());
1984 let mut operations = Vec::new();
1985 if let Some(document_changes) = edit.document_changes {
1986 match document_changes {
1987 lsp::DocumentChanges::Edits(edits) => {
1988 operations.extend(edits.into_iter().map(lsp::DocumentChangeOperation::Edit))
1989 }
1990 lsp::DocumentChanges::Operations(ops) => operations = ops,
1991 }
1992 } else if let Some(changes) = edit.changes {
1993 operations.extend(changes.into_iter().map(|(uri, edits)| {
1994 lsp::DocumentChangeOperation::Edit(lsp::TextDocumentEdit {
1995 text_document: lsp::OptionalVersionedTextDocumentIdentifier {
1996 uri,
1997 version: None,
1998 },
1999 edits: edits.into_iter().map(lsp::OneOf::Left).collect(),
2000 })
2001 }));
2002 }
2003
2004 let mut project_transaction = ProjectTransaction::default();
2005 for operation in operations {
2006 match operation {
2007 lsp::DocumentChangeOperation::Op(lsp::ResourceOp::Create(op)) => {
2008 let abs_path = op
2009 .uri
2010 .to_file_path()
2011 .map_err(|_| anyhow!("can't convert URI to path"))?;
2012
2013 if let Some(parent_path) = abs_path.parent() {
2014 fs.create_dir(parent_path).await?;
2015 }
2016 if abs_path.ends_with("/") {
2017 fs.create_dir(&abs_path).await?;
2018 } else {
2019 fs.create_file(&abs_path, op.options.map(Into::into).unwrap_or_default())
2020 .await?;
2021 }
2022 }
2023 lsp::DocumentChangeOperation::Op(lsp::ResourceOp::Rename(op)) => {
2024 let source_abs_path = op
2025 .old_uri
2026 .to_file_path()
2027 .map_err(|_| anyhow!("can't convert URI to path"))?;
2028 let target_abs_path = op
2029 .new_uri
2030 .to_file_path()
2031 .map_err(|_| anyhow!("can't convert URI to path"))?;
2032 fs.rename(
2033 &source_abs_path,
2034 &target_abs_path,
2035 op.options.map(Into::into).unwrap_or_default(),
2036 )
2037 .await?;
2038 }
2039 lsp::DocumentChangeOperation::Op(lsp::ResourceOp::Delete(op)) => {
2040 let abs_path = op
2041 .uri
2042 .to_file_path()
2043 .map_err(|_| anyhow!("can't convert URI to path"))?;
2044 let options = op.options.map(Into::into).unwrap_or_default();
2045 if abs_path.ends_with("/") {
2046 fs.remove_dir(&abs_path, options).await?;
2047 } else {
2048 fs.remove_file(&abs_path, options).await?;
2049 }
2050 }
2051 lsp::DocumentChangeOperation::Edit(op) => {
2052 let buffer_to_edit = this
2053 .update(cx, |this, cx| {
2054 this.open_local_buffer_via_lsp(
2055 op.text_document.uri,
2056 language_name.clone(),
2057 language_server.clone(),
2058 cx,
2059 )
2060 })
2061 .await?;
2062
2063 let edits = buffer_to_edit
2064 .update(cx, |buffer, cx| {
2065 let edits = op.edits.into_iter().map(|edit| match edit {
2066 lsp::OneOf::Left(edit) => edit,
2067 lsp::OneOf::Right(edit) => edit.text_edit,
2068 });
2069 buffer.edits_from_lsp(edits, op.text_document.version, cx)
2070 })
2071 .await?;
2072
2073 let transaction = buffer_to_edit.update(cx, |buffer, cx| {
2074 buffer.finalize_last_transaction();
2075 buffer.start_transaction();
2076 for (range, text) in edits {
2077 buffer.edit([range], text, cx);
2078 }
2079 let transaction = if buffer.end_transaction(cx).is_some() {
2080 let transaction = buffer.finalize_last_transaction().unwrap().clone();
2081 if !push_to_history {
2082 buffer.forget_transaction(transaction.id);
2083 }
2084 Some(transaction)
2085 } else {
2086 None
2087 };
2088
2089 transaction
2090 });
2091 if let Some(transaction) = transaction {
2092 project_transaction.0.insert(buffer_to_edit, transaction);
2093 }
2094 }
2095 }
2096 }
2097
2098 Ok(project_transaction)
2099 }
2100
2101 pub fn prepare_rename<T: ToPointUtf16>(
2102 &self,
2103 buffer: ModelHandle<Buffer>,
2104 position: T,
2105 cx: &mut ModelContext<Self>,
2106 ) -> Task<Result<Option<Range<Anchor>>>> {
2107 let position = position.to_point_utf16(buffer.read(cx));
2108 self.request_lsp(buffer, PrepareRename { position }, cx)
2109 }
2110
2111 pub fn perform_rename<T: ToPointUtf16>(
2112 &self,
2113 buffer: ModelHandle<Buffer>,
2114 position: T,
2115 new_name: String,
2116 push_to_history: bool,
2117 cx: &mut ModelContext<Self>,
2118 ) -> Task<Result<ProjectTransaction>> {
2119 let position = position.to_point_utf16(buffer.read(cx));
2120 self.request_lsp(
2121 buffer,
2122 PerformRename {
2123 position,
2124 new_name,
2125 push_to_history,
2126 },
2127 cx,
2128 )
2129 }
2130
2131 pub fn search(
2132 &self,
2133 query: SearchQuery,
2134 cx: &mut ModelContext<Self>,
2135 ) -> Task<Result<HashMap<ModelHandle<Buffer>, Vec<Range<Anchor>>>>> {
2136 if self.is_local() {
2137 let snapshots = self
2138 .visible_worktrees(cx)
2139 .filter_map(|tree| {
2140 let tree = tree.read(cx).as_local()?;
2141 Some(tree.snapshot())
2142 })
2143 .collect::<Vec<_>>();
2144
2145 let background = cx.background().clone();
2146 let path_count: usize = snapshots.iter().map(|s| s.visible_file_count()).sum();
2147 if path_count == 0 {
2148 return Task::ready(Ok(Default::default()));
2149 }
2150 let workers = background.num_cpus().min(path_count);
2151 let (matching_paths_tx, mut matching_paths_rx) = smol::channel::bounded(1024);
2152 cx.background()
2153 .spawn({
2154 let fs = self.fs.clone();
2155 let background = cx.background().clone();
2156 let query = query.clone();
2157 async move {
2158 let fs = &fs;
2159 let query = &query;
2160 let matching_paths_tx = &matching_paths_tx;
2161 let paths_per_worker = (path_count + workers - 1) / workers;
2162 let snapshots = &snapshots;
2163 background
2164 .scoped(|scope| {
2165 for worker_ix in 0..workers {
2166 let worker_start_ix = worker_ix * paths_per_worker;
2167 let worker_end_ix = worker_start_ix + paths_per_worker;
2168 scope.spawn(async move {
2169 let mut snapshot_start_ix = 0;
2170 let mut abs_path = PathBuf::new();
2171 for snapshot in snapshots {
2172 let snapshot_end_ix =
2173 snapshot_start_ix + snapshot.visible_file_count();
2174 if worker_end_ix <= snapshot_start_ix {
2175 break;
2176 } else if worker_start_ix > snapshot_end_ix {
2177 snapshot_start_ix = snapshot_end_ix;
2178 continue;
2179 } else {
2180 let start_in_snapshot = worker_start_ix
2181 .saturating_sub(snapshot_start_ix);
2182 let end_in_snapshot =
2183 cmp::min(worker_end_ix, snapshot_end_ix)
2184 - snapshot_start_ix;
2185
2186 for entry in snapshot
2187 .files(false, start_in_snapshot)
2188 .take(end_in_snapshot - start_in_snapshot)
2189 {
2190 if matching_paths_tx.is_closed() {
2191 break;
2192 }
2193
2194 abs_path.clear();
2195 abs_path.push(&snapshot.abs_path());
2196 abs_path.push(&entry.path);
2197 let matches = if let Some(file) =
2198 fs.open_sync(&abs_path).await.log_err()
2199 {
2200 query.detect(file).unwrap_or(false)
2201 } else {
2202 false
2203 };
2204
2205 if matches {
2206 let project_path =
2207 (snapshot.id(), entry.path.clone());
2208 if matching_paths_tx
2209 .send(project_path)
2210 .await
2211 .is_err()
2212 {
2213 break;
2214 }
2215 }
2216 }
2217
2218 snapshot_start_ix = snapshot_end_ix;
2219 }
2220 }
2221 });
2222 }
2223 })
2224 .await;
2225 }
2226 })
2227 .detach();
2228
2229 let (buffers_tx, buffers_rx) = smol::channel::bounded(1024);
2230 let open_buffers = self
2231 .opened_buffers
2232 .values()
2233 .filter_map(|b| b.upgrade(cx))
2234 .collect::<HashSet<_>>();
2235 cx.spawn(|this, cx| async move {
2236 for buffer in &open_buffers {
2237 let snapshot = buffer.read_with(&cx, |buffer, _| buffer.snapshot());
2238 buffers_tx.send((buffer.clone(), snapshot)).await?;
2239 }
2240
2241 let open_buffers = Rc::new(RefCell::new(open_buffers));
2242 while let Some(project_path) = matching_paths_rx.next().await {
2243 if buffers_tx.is_closed() {
2244 break;
2245 }
2246
2247 let this = this.clone();
2248 let open_buffers = open_buffers.clone();
2249 let buffers_tx = buffers_tx.clone();
2250 cx.spawn(|mut cx| async move {
2251 if let Some(buffer) = this
2252 .update(&mut cx, |this, cx| this.open_buffer(project_path, cx))
2253 .await
2254 .log_err()
2255 {
2256 if open_buffers.borrow_mut().insert(buffer.clone()) {
2257 let snapshot = buffer.read_with(&cx, |buffer, _| buffer.snapshot());
2258 buffers_tx.send((buffer, snapshot)).await?;
2259 }
2260 }
2261
2262 Ok::<_, anyhow::Error>(())
2263 })
2264 .detach();
2265 }
2266
2267 Ok::<_, anyhow::Error>(())
2268 })
2269 .detach_and_log_err(cx);
2270
2271 let background = cx.background().clone();
2272 cx.background().spawn(async move {
2273 let query = &query;
2274 let mut matched_buffers = Vec::new();
2275 for _ in 0..workers {
2276 matched_buffers.push(HashMap::default());
2277 }
2278 background
2279 .scoped(|scope| {
2280 for worker_matched_buffers in matched_buffers.iter_mut() {
2281 let mut buffers_rx = buffers_rx.clone();
2282 scope.spawn(async move {
2283 while let Some((buffer, snapshot)) = buffers_rx.next().await {
2284 let buffer_matches = query
2285 .search(snapshot.as_rope())
2286 .await
2287 .iter()
2288 .map(|range| {
2289 snapshot.anchor_before(range.start)
2290 ..snapshot.anchor_after(range.end)
2291 })
2292 .collect::<Vec<_>>();
2293 if !buffer_matches.is_empty() {
2294 worker_matched_buffers
2295 .insert(buffer.clone(), buffer_matches);
2296 }
2297 }
2298 });
2299 }
2300 })
2301 .await;
2302 Ok(matched_buffers.into_iter().flatten().collect())
2303 })
2304 } else if let Some(project_id) = self.remote_id() {
2305 let request = self.client.request(query.to_proto(project_id));
2306 cx.spawn(|this, mut cx| async move {
2307 let response = request.await?;
2308 let mut result = HashMap::default();
2309 for location in response.locations {
2310 let buffer = location.buffer.ok_or_else(|| anyhow!("missing buffer"))?;
2311 let target_buffer = this
2312 .update(&mut cx, |this, cx| this.deserialize_buffer(buffer, cx))
2313 .await?;
2314 let start = location
2315 .start
2316 .and_then(deserialize_anchor)
2317 .ok_or_else(|| anyhow!("missing target start"))?;
2318 let end = location
2319 .end
2320 .and_then(deserialize_anchor)
2321 .ok_or_else(|| anyhow!("missing target end"))?;
2322 result
2323 .entry(target_buffer)
2324 .or_insert(Vec::new())
2325 .push(start..end)
2326 }
2327 Ok(result)
2328 })
2329 } else {
2330 Task::ready(Ok(Default::default()))
2331 }
2332 }
2333
2334 fn request_lsp<R: LspCommand>(
2335 &self,
2336 buffer_handle: ModelHandle<Buffer>,
2337 request: R,
2338 cx: &mut ModelContext<Self>,
2339 ) -> Task<Result<R::Response>>
2340 where
2341 <R::LspRequest as lsp::request::Request>::Result: Send,
2342 {
2343 let buffer = buffer_handle.read(cx);
2344 if self.is_local() {
2345 let file = File::from_dyn(buffer.file()).and_then(File::as_local);
2346 if let Some((file, language_server)) = file.zip(buffer.language_server().cloned()) {
2347 let lsp_params = request.to_lsp(&file.abs_path(cx), cx);
2348 return cx.spawn(|this, cx| async move {
2349 if !language_server
2350 .capabilities()
2351 .await
2352 .map_or(false, |capabilities| {
2353 request.check_capabilities(&capabilities)
2354 })
2355 {
2356 return Ok(Default::default());
2357 }
2358
2359 let response = language_server
2360 .request::<R::LspRequest>(lsp_params)
2361 .await
2362 .context("lsp request failed")?;
2363 request
2364 .response_from_lsp(response, this, buffer_handle, cx)
2365 .await
2366 });
2367 }
2368 } else if let Some(project_id) = self.remote_id() {
2369 let rpc = self.client.clone();
2370 let message = request.to_proto(project_id, buffer);
2371 return cx.spawn(|this, cx| async move {
2372 let response = rpc.request(message).await?;
2373 request
2374 .response_from_proto(response, this, buffer_handle, cx)
2375 .await
2376 });
2377 }
2378 Task::ready(Ok(Default::default()))
2379 }
2380
2381 pub fn find_or_create_local_worktree(
2382 &mut self,
2383 abs_path: impl AsRef<Path>,
2384 visible: bool,
2385 cx: &mut ModelContext<Self>,
2386 ) -> Task<Result<(ModelHandle<Worktree>, PathBuf)>> {
2387 let abs_path = abs_path.as_ref();
2388 if let Some((tree, relative_path)) = self.find_local_worktree(abs_path, cx) {
2389 Task::ready(Ok((tree.clone(), relative_path.into())))
2390 } else {
2391 let worktree = self.create_local_worktree(abs_path, visible, cx);
2392 cx.foreground()
2393 .spawn(async move { Ok((worktree.await?, PathBuf::new())) })
2394 }
2395 }
2396
2397 pub fn find_local_worktree(
2398 &self,
2399 abs_path: &Path,
2400 cx: &AppContext,
2401 ) -> Option<(ModelHandle<Worktree>, PathBuf)> {
2402 for tree in self.worktrees(cx) {
2403 if let Some(relative_path) = tree
2404 .read(cx)
2405 .as_local()
2406 .and_then(|t| abs_path.strip_prefix(t.abs_path()).ok())
2407 {
2408 return Some((tree.clone(), relative_path.into()));
2409 }
2410 }
2411 None
2412 }
2413
2414 pub fn is_shared(&self) -> bool {
2415 match &self.client_state {
2416 ProjectClientState::Local { is_shared, .. } => *is_shared,
2417 ProjectClientState::Remote { .. } => false,
2418 }
2419 }
2420
2421 fn create_local_worktree(
2422 &mut self,
2423 abs_path: impl AsRef<Path>,
2424 visible: bool,
2425 cx: &mut ModelContext<Self>,
2426 ) -> Task<Result<ModelHandle<Worktree>>> {
2427 let fs = self.fs.clone();
2428 let client = self.client.clone();
2429 let path: Arc<Path> = abs_path.as_ref().into();
2430 let task = self
2431 .loading_local_worktrees
2432 .entry(path.clone())
2433 .or_insert_with(|| {
2434 cx.spawn(|project, mut cx| {
2435 async move {
2436 let worktree =
2437 Worktree::local(client.clone(), path.clone(), visible, fs, &mut cx)
2438 .await;
2439 project.update(&mut cx, |project, _| {
2440 project.loading_local_worktrees.remove(&path);
2441 });
2442 let worktree = worktree?;
2443
2444 let (remote_project_id, is_shared) =
2445 project.update(&mut cx, |project, cx| {
2446 project.add_worktree(&worktree, cx);
2447 (project.remote_id(), project.is_shared())
2448 });
2449
2450 if let Some(project_id) = remote_project_id {
2451 if is_shared {
2452 worktree
2453 .update(&mut cx, |worktree, cx| {
2454 worktree.as_local_mut().unwrap().share(project_id, cx)
2455 })
2456 .await?;
2457 } else {
2458 worktree
2459 .update(&mut cx, |worktree, cx| {
2460 worktree.as_local_mut().unwrap().register(project_id, cx)
2461 })
2462 .await?;
2463 }
2464 }
2465
2466 Ok(worktree)
2467 }
2468 .map_err(|err| Arc::new(err))
2469 })
2470 .shared()
2471 })
2472 .clone();
2473 cx.foreground().spawn(async move {
2474 match task.await {
2475 Ok(worktree) => Ok(worktree),
2476 Err(err) => Err(anyhow!("{}", err)),
2477 }
2478 })
2479 }
2480
2481 pub fn remove_worktree(&mut self, id: WorktreeId, cx: &mut ModelContext<Self>) {
2482 self.worktrees.retain(|worktree| {
2483 worktree
2484 .upgrade(cx)
2485 .map_or(false, |w| w.read(cx).id() != id)
2486 });
2487 cx.notify();
2488 }
2489
2490 fn add_worktree(&mut self, worktree: &ModelHandle<Worktree>, cx: &mut ModelContext<Self>) {
2491 cx.observe(&worktree, |_, _, cx| cx.notify()).detach();
2492 if worktree.read(cx).is_local() {
2493 cx.subscribe(&worktree, |this, worktree, _, cx| {
2494 this.update_local_worktree_buffers(worktree, cx);
2495 })
2496 .detach();
2497 }
2498
2499 let push_strong_handle = {
2500 let worktree = worktree.read(cx);
2501 self.is_shared() || worktree.is_visible() || worktree.is_remote()
2502 };
2503 if push_strong_handle {
2504 self.worktrees
2505 .push(WorktreeHandle::Strong(worktree.clone()));
2506 } else {
2507 cx.observe_release(&worktree, |this, cx| {
2508 this.worktrees
2509 .retain(|worktree| worktree.upgrade(cx).is_some());
2510 cx.notify();
2511 })
2512 .detach();
2513 self.worktrees
2514 .push(WorktreeHandle::Weak(worktree.downgrade()));
2515 }
2516 cx.notify();
2517 }
2518
2519 fn update_local_worktree_buffers(
2520 &mut self,
2521 worktree_handle: ModelHandle<Worktree>,
2522 cx: &mut ModelContext<Self>,
2523 ) {
2524 let snapshot = worktree_handle.read(cx).snapshot();
2525 let mut buffers_to_delete = Vec::new();
2526 for (buffer_id, buffer) in &self.opened_buffers {
2527 if let Some(buffer) = buffer.upgrade(cx) {
2528 buffer.update(cx, |buffer, cx| {
2529 if let Some(old_file) = File::from_dyn(buffer.file()) {
2530 if old_file.worktree != worktree_handle {
2531 return;
2532 }
2533
2534 let new_file = if let Some(entry) = old_file
2535 .entry_id
2536 .and_then(|entry_id| snapshot.entry_for_id(entry_id))
2537 {
2538 File {
2539 is_local: true,
2540 entry_id: Some(entry.id),
2541 mtime: entry.mtime,
2542 path: entry.path.clone(),
2543 worktree: worktree_handle.clone(),
2544 }
2545 } else if let Some(entry) =
2546 snapshot.entry_for_path(old_file.path().as_ref())
2547 {
2548 File {
2549 is_local: true,
2550 entry_id: Some(entry.id),
2551 mtime: entry.mtime,
2552 path: entry.path.clone(),
2553 worktree: worktree_handle.clone(),
2554 }
2555 } else {
2556 File {
2557 is_local: true,
2558 entry_id: None,
2559 path: old_file.path().clone(),
2560 mtime: old_file.mtime(),
2561 worktree: worktree_handle.clone(),
2562 }
2563 };
2564
2565 if let Some(project_id) = self.remote_id() {
2566 self.client
2567 .send(proto::UpdateBufferFile {
2568 project_id,
2569 buffer_id: *buffer_id as u64,
2570 file: Some(new_file.to_proto()),
2571 })
2572 .log_err();
2573 }
2574 buffer.file_updated(Box::new(new_file), cx).detach();
2575 }
2576 });
2577 } else {
2578 buffers_to_delete.push(*buffer_id);
2579 }
2580 }
2581
2582 for buffer_id in buffers_to_delete {
2583 self.opened_buffers.remove(&buffer_id);
2584 }
2585 }
2586
2587 pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut ModelContext<Self>) {
2588 let new_active_entry = entry.and_then(|project_path| {
2589 let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
2590 let entry = worktree.read(cx).entry_for_path(project_path.path)?;
2591 Some(ProjectEntry {
2592 worktree_id: project_path.worktree_id,
2593 entry_id: entry.id,
2594 })
2595 });
2596 if new_active_entry != self.active_entry {
2597 self.active_entry = new_active_entry;
2598 cx.emit(Event::ActiveEntryChanged(new_active_entry));
2599 }
2600 }
2601
2602 pub fn is_running_disk_based_diagnostics(&self) -> bool {
2603 self.language_servers_with_diagnostics_running > 0
2604 }
2605
2606 pub fn diagnostic_summary(&self, cx: &AppContext) -> DiagnosticSummary {
2607 let mut summary = DiagnosticSummary::default();
2608 for (_, path_summary) in self.diagnostic_summaries(cx) {
2609 summary.error_count += path_summary.error_count;
2610 summary.warning_count += path_summary.warning_count;
2611 summary.info_count += path_summary.info_count;
2612 summary.hint_count += path_summary.hint_count;
2613 }
2614 summary
2615 }
2616
2617 pub fn diagnostic_summaries<'a>(
2618 &'a self,
2619 cx: &'a AppContext,
2620 ) -> impl Iterator<Item = (ProjectPath, DiagnosticSummary)> + 'a {
2621 self.worktrees(cx).flat_map(move |worktree| {
2622 let worktree = worktree.read(cx);
2623 let worktree_id = worktree.id();
2624 worktree
2625 .diagnostic_summaries()
2626 .map(move |(path, summary)| (ProjectPath { worktree_id, path }, summary))
2627 })
2628 }
2629
2630 pub fn disk_based_diagnostics_started(&mut self, cx: &mut ModelContext<Self>) {
2631 self.language_servers_with_diagnostics_running += 1;
2632 if self.language_servers_with_diagnostics_running == 1 {
2633 cx.emit(Event::DiskBasedDiagnosticsStarted);
2634 }
2635 }
2636
2637 pub fn disk_based_diagnostics_finished(&mut self, cx: &mut ModelContext<Self>) {
2638 cx.emit(Event::DiskBasedDiagnosticsUpdated);
2639 self.language_servers_with_diagnostics_running -= 1;
2640 if self.language_servers_with_diagnostics_running == 0 {
2641 cx.emit(Event::DiskBasedDiagnosticsFinished);
2642 }
2643 }
2644
2645 pub fn active_entry(&self) -> Option<ProjectEntry> {
2646 self.active_entry
2647 }
2648
2649 // RPC message handlers
2650
2651 async fn handle_unshare_project(
2652 this: ModelHandle<Self>,
2653 _: TypedEnvelope<proto::UnshareProject>,
2654 _: Arc<Client>,
2655 mut cx: AsyncAppContext,
2656 ) -> Result<()> {
2657 this.update(&mut cx, |this, cx| {
2658 if let ProjectClientState::Remote {
2659 sharing_has_stopped,
2660 ..
2661 } = &mut this.client_state
2662 {
2663 *sharing_has_stopped = true;
2664 this.collaborators.clear();
2665 cx.notify();
2666 } else {
2667 unreachable!()
2668 }
2669 });
2670
2671 Ok(())
2672 }
2673
2674 async fn handle_add_collaborator(
2675 this: ModelHandle<Self>,
2676 mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
2677 _: Arc<Client>,
2678 mut cx: AsyncAppContext,
2679 ) -> Result<()> {
2680 let user_store = this.read_with(&cx, |this, _| this.user_store.clone());
2681 let collaborator = envelope
2682 .payload
2683 .collaborator
2684 .take()
2685 .ok_or_else(|| anyhow!("empty collaborator"))?;
2686
2687 let collaborator = Collaborator::from_proto(collaborator, &user_store, &mut cx).await?;
2688 this.update(&mut cx, |this, cx| {
2689 this.collaborators
2690 .insert(collaborator.peer_id, collaborator);
2691 cx.notify();
2692 });
2693
2694 Ok(())
2695 }
2696
2697 async fn handle_remove_collaborator(
2698 this: ModelHandle<Self>,
2699 envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
2700 _: Arc<Client>,
2701 mut cx: AsyncAppContext,
2702 ) -> Result<()> {
2703 this.update(&mut cx, |this, cx| {
2704 let peer_id = PeerId(envelope.payload.peer_id);
2705 let replica_id = this
2706 .collaborators
2707 .remove(&peer_id)
2708 .ok_or_else(|| anyhow!("unknown peer {:?}", peer_id))?
2709 .replica_id;
2710 for (_, buffer) in &this.opened_buffers {
2711 if let Some(buffer) = buffer.upgrade(cx) {
2712 buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
2713 }
2714 }
2715 cx.notify();
2716 Ok(())
2717 })
2718 }
2719
2720 async fn handle_register_worktree(
2721 this: ModelHandle<Self>,
2722 envelope: TypedEnvelope<proto::RegisterWorktree>,
2723 client: Arc<Client>,
2724 mut cx: AsyncAppContext,
2725 ) -> Result<()> {
2726 this.update(&mut cx, |this, cx| {
2727 let remote_id = this.remote_id().ok_or_else(|| anyhow!("invalid project"))?;
2728 let replica_id = this.replica_id();
2729 let worktree = proto::Worktree {
2730 id: envelope.payload.worktree_id,
2731 root_name: envelope.payload.root_name,
2732 entries: Default::default(),
2733 diagnostic_summaries: Default::default(),
2734 visible: envelope.payload.visible,
2735 };
2736 let (worktree, load_task) =
2737 Worktree::remote(remote_id, replica_id, worktree, client, cx);
2738 this.add_worktree(&worktree, cx);
2739 load_task.detach();
2740 Ok(())
2741 })
2742 }
2743
2744 async fn handle_unregister_worktree(
2745 this: ModelHandle<Self>,
2746 envelope: TypedEnvelope<proto::UnregisterWorktree>,
2747 _: Arc<Client>,
2748 mut cx: AsyncAppContext,
2749 ) -> Result<()> {
2750 this.update(&mut cx, |this, cx| {
2751 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
2752 this.remove_worktree(worktree_id, cx);
2753 Ok(())
2754 })
2755 }
2756
2757 async fn handle_update_worktree(
2758 this: ModelHandle<Self>,
2759 envelope: TypedEnvelope<proto::UpdateWorktree>,
2760 _: Arc<Client>,
2761 mut cx: AsyncAppContext,
2762 ) -> Result<()> {
2763 this.update(&mut cx, |this, cx| {
2764 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
2765 if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
2766 worktree.update(cx, |worktree, _| {
2767 let worktree = worktree.as_remote_mut().unwrap();
2768 worktree.update_from_remote(envelope)
2769 })?;
2770 }
2771 Ok(())
2772 })
2773 }
2774
2775 async fn handle_update_diagnostic_summary(
2776 this: ModelHandle<Self>,
2777 envelope: TypedEnvelope<proto::UpdateDiagnosticSummary>,
2778 _: Arc<Client>,
2779 mut cx: AsyncAppContext,
2780 ) -> Result<()> {
2781 this.update(&mut cx, |this, cx| {
2782 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
2783 if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
2784 if let Some(summary) = envelope.payload.summary {
2785 let project_path = ProjectPath {
2786 worktree_id,
2787 path: Path::new(&summary.path).into(),
2788 };
2789 worktree.update(cx, |worktree, _| {
2790 worktree
2791 .as_remote_mut()
2792 .unwrap()
2793 .update_diagnostic_summary(project_path.path.clone(), &summary);
2794 });
2795 cx.emit(Event::DiagnosticsUpdated(project_path));
2796 }
2797 }
2798 Ok(())
2799 })
2800 }
2801
2802 async fn handle_disk_based_diagnostics_updating(
2803 this: ModelHandle<Self>,
2804 _: TypedEnvelope<proto::DiskBasedDiagnosticsUpdating>,
2805 _: Arc<Client>,
2806 mut cx: AsyncAppContext,
2807 ) -> Result<()> {
2808 this.update(&mut cx, |this, cx| this.disk_based_diagnostics_started(cx));
2809 Ok(())
2810 }
2811
2812 async fn handle_disk_based_diagnostics_updated(
2813 this: ModelHandle<Self>,
2814 _: TypedEnvelope<proto::DiskBasedDiagnosticsUpdated>,
2815 _: Arc<Client>,
2816 mut cx: AsyncAppContext,
2817 ) -> Result<()> {
2818 this.update(&mut cx, |this, cx| this.disk_based_diagnostics_finished(cx));
2819 Ok(())
2820 }
2821
2822 async fn handle_update_buffer(
2823 this: ModelHandle<Self>,
2824 envelope: TypedEnvelope<proto::UpdateBuffer>,
2825 _: Arc<Client>,
2826 mut cx: AsyncAppContext,
2827 ) -> Result<()> {
2828 this.update(&mut cx, |this, cx| {
2829 let payload = envelope.payload.clone();
2830 let buffer_id = payload.buffer_id;
2831 let ops = payload
2832 .operations
2833 .into_iter()
2834 .map(|op| language::proto::deserialize_operation(op))
2835 .collect::<Result<Vec<_>, _>>()?;
2836 match this.opened_buffers.entry(buffer_id) {
2837 hash_map::Entry::Occupied(mut e) => match e.get_mut() {
2838 OpenBuffer::Strong(buffer) => {
2839 buffer.update(cx, |buffer, cx| buffer.apply_ops(ops, cx))?;
2840 }
2841 OpenBuffer::Loading(operations) => operations.extend_from_slice(&ops),
2842 OpenBuffer::Weak(_) => {}
2843 },
2844 hash_map::Entry::Vacant(e) => {
2845 e.insert(OpenBuffer::Loading(ops));
2846 }
2847 }
2848 Ok(())
2849 })
2850 }
2851
2852 async fn handle_update_buffer_file(
2853 this: ModelHandle<Self>,
2854 envelope: TypedEnvelope<proto::UpdateBufferFile>,
2855 _: Arc<Client>,
2856 mut cx: AsyncAppContext,
2857 ) -> Result<()> {
2858 this.update(&mut cx, |this, cx| {
2859 let payload = envelope.payload.clone();
2860 let buffer_id = payload.buffer_id;
2861 let file = payload.file.ok_or_else(|| anyhow!("invalid file"))?;
2862 let worktree = this
2863 .worktree_for_id(WorktreeId::from_proto(file.worktree_id), cx)
2864 .ok_or_else(|| anyhow!("no such worktree"))?;
2865 let file = File::from_proto(file, worktree.clone(), cx)?;
2866 let buffer = this
2867 .opened_buffers
2868 .get_mut(&buffer_id)
2869 .and_then(|b| b.upgrade(cx))
2870 .ok_or_else(|| anyhow!("no such buffer"))?;
2871 buffer.update(cx, |buffer, cx| {
2872 buffer.file_updated(Box::new(file), cx).detach();
2873 });
2874 Ok(())
2875 })
2876 }
2877
2878 async fn handle_save_buffer(
2879 this: ModelHandle<Self>,
2880 envelope: TypedEnvelope<proto::SaveBuffer>,
2881 _: Arc<Client>,
2882 mut cx: AsyncAppContext,
2883 ) -> Result<proto::BufferSaved> {
2884 let buffer_id = envelope.payload.buffer_id;
2885 let requested_version = envelope.payload.version.try_into()?;
2886
2887 let (project_id, buffer) = this.update(&mut cx, |this, cx| {
2888 let project_id = this.remote_id().ok_or_else(|| anyhow!("not connected"))?;
2889 let buffer = this
2890 .opened_buffers
2891 .get(&buffer_id)
2892 .map(|buffer| buffer.upgrade(cx).unwrap())
2893 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))?;
2894 Ok::<_, anyhow::Error>((project_id, buffer))
2895 })?;
2896 buffer
2897 .update(&mut cx, |buffer, _| {
2898 buffer.wait_for_version(requested_version)
2899 })
2900 .await;
2901
2902 let (saved_version, mtime) = buffer.update(&mut cx, |buffer, cx| buffer.save(cx)).await?;
2903 Ok(proto::BufferSaved {
2904 project_id,
2905 buffer_id,
2906 version: (&saved_version).into(),
2907 mtime: Some(mtime.into()),
2908 })
2909 }
2910
2911 async fn handle_format_buffers(
2912 this: ModelHandle<Self>,
2913 envelope: TypedEnvelope<proto::FormatBuffers>,
2914 _: Arc<Client>,
2915 mut cx: AsyncAppContext,
2916 ) -> Result<proto::FormatBuffersResponse> {
2917 let sender_id = envelope.original_sender_id()?;
2918 let format = this.update(&mut cx, |this, cx| {
2919 let mut buffers = HashSet::default();
2920 for buffer_id in &envelope.payload.buffer_ids {
2921 buffers.insert(
2922 this.opened_buffers
2923 .get(buffer_id)
2924 .map(|buffer| buffer.upgrade(cx).unwrap())
2925 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))?,
2926 );
2927 }
2928 Ok::<_, anyhow::Error>(this.format(buffers, false, cx))
2929 })?;
2930
2931 let project_transaction = format.await?;
2932 let project_transaction = this.update(&mut cx, |this, cx| {
2933 this.serialize_project_transaction_for_peer(project_transaction, sender_id, cx)
2934 });
2935 Ok(proto::FormatBuffersResponse {
2936 transaction: Some(project_transaction),
2937 })
2938 }
2939
2940 async fn handle_get_completions(
2941 this: ModelHandle<Self>,
2942 envelope: TypedEnvelope<proto::GetCompletions>,
2943 _: Arc<Client>,
2944 mut cx: AsyncAppContext,
2945 ) -> Result<proto::GetCompletionsResponse> {
2946 let position = envelope
2947 .payload
2948 .position
2949 .and_then(language::proto::deserialize_anchor)
2950 .ok_or_else(|| anyhow!("invalid position"))?;
2951 let version = clock::Global::from(envelope.payload.version);
2952 let buffer = this.read_with(&cx, |this, cx| {
2953 this.opened_buffers
2954 .get(&envelope.payload.buffer_id)
2955 .map(|buffer| buffer.upgrade(cx).unwrap())
2956 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))
2957 })?;
2958 buffer
2959 .update(&mut cx, |buffer, _| buffer.wait_for_version(version))
2960 .await;
2961 let version = buffer.read_with(&cx, |buffer, _| buffer.version());
2962 let completions = this
2963 .update(&mut cx, |this, cx| this.completions(&buffer, position, cx))
2964 .await?;
2965
2966 Ok(proto::GetCompletionsResponse {
2967 completions: completions
2968 .iter()
2969 .map(language::proto::serialize_completion)
2970 .collect(),
2971 version: (&version).into(),
2972 })
2973 }
2974
2975 async fn handle_apply_additional_edits_for_completion(
2976 this: ModelHandle<Self>,
2977 envelope: TypedEnvelope<proto::ApplyCompletionAdditionalEdits>,
2978 _: Arc<Client>,
2979 mut cx: AsyncAppContext,
2980 ) -> Result<proto::ApplyCompletionAdditionalEditsResponse> {
2981 let apply_additional_edits = this.update(&mut cx, |this, cx| {
2982 let buffer = this
2983 .opened_buffers
2984 .get(&envelope.payload.buffer_id)
2985 .map(|buffer| buffer.upgrade(cx).unwrap())
2986 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
2987 let language = buffer.read(cx).language();
2988 let completion = language::proto::deserialize_completion(
2989 envelope
2990 .payload
2991 .completion
2992 .ok_or_else(|| anyhow!("invalid completion"))?,
2993 language,
2994 )?;
2995 Ok::<_, anyhow::Error>(
2996 this.apply_additional_edits_for_completion(buffer, completion, false, cx),
2997 )
2998 })?;
2999
3000 Ok(proto::ApplyCompletionAdditionalEditsResponse {
3001 transaction: apply_additional_edits
3002 .await?
3003 .as_ref()
3004 .map(language::proto::serialize_transaction),
3005 })
3006 }
3007
3008 async fn handle_get_code_actions(
3009 this: ModelHandle<Self>,
3010 envelope: TypedEnvelope<proto::GetCodeActions>,
3011 _: Arc<Client>,
3012 mut cx: AsyncAppContext,
3013 ) -> Result<proto::GetCodeActionsResponse> {
3014 let start = envelope
3015 .payload
3016 .start
3017 .and_then(language::proto::deserialize_anchor)
3018 .ok_or_else(|| anyhow!("invalid start"))?;
3019 let end = envelope
3020 .payload
3021 .end
3022 .and_then(language::proto::deserialize_anchor)
3023 .ok_or_else(|| anyhow!("invalid end"))?;
3024 let buffer = this.update(&mut cx, |this, cx| {
3025 this.opened_buffers
3026 .get(&envelope.payload.buffer_id)
3027 .map(|buffer| buffer.upgrade(cx).unwrap())
3028 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))
3029 })?;
3030 buffer
3031 .update(&mut cx, |buffer, _| {
3032 buffer.wait_for_version(envelope.payload.version.into())
3033 })
3034 .await;
3035
3036 let version = buffer.read_with(&cx, |buffer, _| buffer.version());
3037 let code_actions = this.update(&mut cx, |this, cx| {
3038 Ok::<_, anyhow::Error>(this.code_actions(&buffer, start..end, cx))
3039 })?;
3040
3041 Ok(proto::GetCodeActionsResponse {
3042 actions: code_actions
3043 .await?
3044 .iter()
3045 .map(language::proto::serialize_code_action)
3046 .collect(),
3047 version: (&version).into(),
3048 })
3049 }
3050
3051 async fn handle_apply_code_action(
3052 this: ModelHandle<Self>,
3053 envelope: TypedEnvelope<proto::ApplyCodeAction>,
3054 _: Arc<Client>,
3055 mut cx: AsyncAppContext,
3056 ) -> Result<proto::ApplyCodeActionResponse> {
3057 let sender_id = envelope.original_sender_id()?;
3058 let action = language::proto::deserialize_code_action(
3059 envelope
3060 .payload
3061 .action
3062 .ok_or_else(|| anyhow!("invalid action"))?,
3063 )?;
3064 let apply_code_action = this.update(&mut cx, |this, cx| {
3065 let buffer = this
3066 .opened_buffers
3067 .get(&envelope.payload.buffer_id)
3068 .map(|buffer| buffer.upgrade(cx).unwrap())
3069 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
3070 Ok::<_, anyhow::Error>(this.apply_code_action(buffer, action, false, cx))
3071 })?;
3072
3073 let project_transaction = apply_code_action.await?;
3074 let project_transaction = this.update(&mut cx, |this, cx| {
3075 this.serialize_project_transaction_for_peer(project_transaction, sender_id, cx)
3076 });
3077 Ok(proto::ApplyCodeActionResponse {
3078 transaction: Some(project_transaction),
3079 })
3080 }
3081
3082 async fn handle_lsp_command<T: LspCommand>(
3083 this: ModelHandle<Self>,
3084 envelope: TypedEnvelope<T::ProtoRequest>,
3085 _: Arc<Client>,
3086 mut cx: AsyncAppContext,
3087 ) -> Result<<T::ProtoRequest as proto::RequestMessage>::Response>
3088 where
3089 <T::LspRequest as lsp::request::Request>::Result: Send,
3090 {
3091 let sender_id = envelope.original_sender_id()?;
3092 let buffer_id = T::buffer_id_from_proto(&envelope.payload);
3093 let buffer_handle = this.read_with(&cx, |this, _| {
3094 this.opened_buffers
3095 .get(&buffer_id)
3096 .map(|buffer| buffer.upgrade(&cx).unwrap())
3097 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))
3098 })?;
3099 let request = T::from_proto(
3100 envelope.payload,
3101 this.clone(),
3102 buffer_handle.clone(),
3103 cx.clone(),
3104 )
3105 .await?;
3106 let buffer_version = buffer_handle.read_with(&cx, |buffer, _| buffer.version());
3107 let response = this
3108 .update(&mut cx, |this, cx| {
3109 this.request_lsp(buffer_handle, request, cx)
3110 })
3111 .await?;
3112 this.update(&mut cx, |this, cx| {
3113 Ok(T::response_to_proto(
3114 response,
3115 this,
3116 sender_id,
3117 &buffer_version,
3118 cx,
3119 ))
3120 })
3121 }
3122
3123 async fn handle_get_project_symbols(
3124 this: ModelHandle<Self>,
3125 envelope: TypedEnvelope<proto::GetProjectSymbols>,
3126 _: Arc<Client>,
3127 mut cx: AsyncAppContext,
3128 ) -> Result<proto::GetProjectSymbolsResponse> {
3129 let symbols = this
3130 .update(&mut cx, |this, cx| {
3131 this.symbols(&envelope.payload.query, cx)
3132 })
3133 .await?;
3134
3135 Ok(proto::GetProjectSymbolsResponse {
3136 symbols: symbols.iter().map(serialize_symbol).collect(),
3137 })
3138 }
3139
3140 async fn handle_search_project(
3141 this: ModelHandle<Self>,
3142 envelope: TypedEnvelope<proto::SearchProject>,
3143 _: Arc<Client>,
3144 mut cx: AsyncAppContext,
3145 ) -> Result<proto::SearchProjectResponse> {
3146 let peer_id = envelope.original_sender_id()?;
3147 let query = SearchQuery::from_proto(envelope.payload)?;
3148 let result = this
3149 .update(&mut cx, |this, cx| this.search(query, cx))
3150 .await?;
3151
3152 this.update(&mut cx, |this, cx| {
3153 let mut locations = Vec::new();
3154 for (buffer, ranges) in result {
3155 for range in ranges {
3156 let start = serialize_anchor(&range.start);
3157 let end = serialize_anchor(&range.end);
3158 let buffer = this.serialize_buffer_for_peer(&buffer, peer_id, cx);
3159 locations.push(proto::Location {
3160 buffer: Some(buffer),
3161 start: Some(start),
3162 end: Some(end),
3163 });
3164 }
3165 }
3166 Ok(proto::SearchProjectResponse { locations })
3167 })
3168 }
3169
3170 async fn handle_open_buffer_for_symbol(
3171 this: ModelHandle<Self>,
3172 envelope: TypedEnvelope<proto::OpenBufferForSymbol>,
3173 _: Arc<Client>,
3174 mut cx: AsyncAppContext,
3175 ) -> Result<proto::OpenBufferForSymbolResponse> {
3176 let peer_id = envelope.original_sender_id()?;
3177 let symbol = envelope
3178 .payload
3179 .symbol
3180 .ok_or_else(|| anyhow!("invalid symbol"))?;
3181 let symbol = this.read_with(&cx, |this, _| {
3182 let symbol = this.deserialize_symbol(symbol)?;
3183 let signature = this.symbol_signature(symbol.worktree_id, &symbol.path);
3184 if signature == symbol.signature {
3185 Ok(symbol)
3186 } else {
3187 Err(anyhow!("invalid symbol signature"))
3188 }
3189 })?;
3190 let buffer = this
3191 .update(&mut cx, |this, cx| this.open_buffer_for_symbol(&symbol, cx))
3192 .await?;
3193
3194 Ok(proto::OpenBufferForSymbolResponse {
3195 buffer: Some(this.update(&mut cx, |this, cx| {
3196 this.serialize_buffer_for_peer(&buffer, peer_id, cx)
3197 })),
3198 })
3199 }
3200
3201 fn symbol_signature(&self, worktree_id: WorktreeId, path: &Path) -> [u8; 32] {
3202 let mut hasher = Sha256::new();
3203 hasher.update(worktree_id.to_proto().to_be_bytes());
3204 hasher.update(path.to_string_lossy().as_bytes());
3205 hasher.update(self.nonce.to_be_bytes());
3206 hasher.finalize().as_slice().try_into().unwrap()
3207 }
3208
3209 async fn handle_open_buffer(
3210 this: ModelHandle<Self>,
3211 envelope: TypedEnvelope<proto::OpenBuffer>,
3212 _: Arc<Client>,
3213 mut cx: AsyncAppContext,
3214 ) -> Result<proto::OpenBufferResponse> {
3215 let peer_id = envelope.original_sender_id()?;
3216 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
3217 let open_buffer = this.update(&mut cx, |this, cx| {
3218 this.open_buffer(
3219 ProjectPath {
3220 worktree_id,
3221 path: PathBuf::from(envelope.payload.path).into(),
3222 },
3223 cx,
3224 )
3225 });
3226
3227 let buffer = open_buffer.await?;
3228 this.update(&mut cx, |this, cx| {
3229 Ok(proto::OpenBufferResponse {
3230 buffer: Some(this.serialize_buffer_for_peer(&buffer, peer_id, cx)),
3231 })
3232 })
3233 }
3234
3235 fn serialize_project_transaction_for_peer(
3236 &mut self,
3237 project_transaction: ProjectTransaction,
3238 peer_id: PeerId,
3239 cx: &AppContext,
3240 ) -> proto::ProjectTransaction {
3241 let mut serialized_transaction = proto::ProjectTransaction {
3242 buffers: Default::default(),
3243 transactions: Default::default(),
3244 };
3245 for (buffer, transaction) in project_transaction.0 {
3246 serialized_transaction
3247 .buffers
3248 .push(self.serialize_buffer_for_peer(&buffer, peer_id, cx));
3249 serialized_transaction
3250 .transactions
3251 .push(language::proto::serialize_transaction(&transaction));
3252 }
3253 serialized_transaction
3254 }
3255
3256 fn deserialize_project_transaction(
3257 &mut self,
3258 message: proto::ProjectTransaction,
3259 push_to_history: bool,
3260 cx: &mut ModelContext<Self>,
3261 ) -> Task<Result<ProjectTransaction>> {
3262 cx.spawn(|this, mut cx| async move {
3263 let mut project_transaction = ProjectTransaction::default();
3264 for (buffer, transaction) in message.buffers.into_iter().zip(message.transactions) {
3265 let buffer = this
3266 .update(&mut cx, |this, cx| this.deserialize_buffer(buffer, cx))
3267 .await?;
3268 let transaction = language::proto::deserialize_transaction(transaction)?;
3269 project_transaction.0.insert(buffer, transaction);
3270 }
3271
3272 for (buffer, transaction) in &project_transaction.0 {
3273 buffer
3274 .update(&mut cx, |buffer, _| {
3275 buffer.wait_for_edits(transaction.edit_ids.iter().copied())
3276 })
3277 .await;
3278
3279 if push_to_history {
3280 buffer.update(&mut cx, |buffer, _| {
3281 buffer.push_transaction(transaction.clone(), Instant::now());
3282 });
3283 }
3284 }
3285
3286 Ok(project_transaction)
3287 })
3288 }
3289
3290 fn serialize_buffer_for_peer(
3291 &mut self,
3292 buffer: &ModelHandle<Buffer>,
3293 peer_id: PeerId,
3294 cx: &AppContext,
3295 ) -> proto::Buffer {
3296 let buffer_id = buffer.read(cx).remote_id();
3297 let shared_buffers = self.shared_buffers.entry(peer_id).or_default();
3298 if shared_buffers.insert(buffer_id) {
3299 proto::Buffer {
3300 variant: Some(proto::buffer::Variant::State(buffer.read(cx).to_proto())),
3301 }
3302 } else {
3303 proto::Buffer {
3304 variant: Some(proto::buffer::Variant::Id(buffer_id)),
3305 }
3306 }
3307 }
3308
3309 fn deserialize_buffer(
3310 &mut self,
3311 buffer: proto::Buffer,
3312 cx: &mut ModelContext<Self>,
3313 ) -> Task<Result<ModelHandle<Buffer>>> {
3314 let replica_id = self.replica_id();
3315
3316 let opened_buffer_tx = self.opened_buffer.0.clone();
3317 let mut opened_buffer_rx = self.opened_buffer.1.clone();
3318 cx.spawn(|this, mut cx| async move {
3319 match buffer.variant.ok_or_else(|| anyhow!("missing buffer"))? {
3320 proto::buffer::Variant::Id(id) => {
3321 let buffer = loop {
3322 let buffer = this.read_with(&cx, |this, cx| {
3323 this.opened_buffers
3324 .get(&id)
3325 .and_then(|buffer| buffer.upgrade(cx))
3326 });
3327 if let Some(buffer) = buffer {
3328 break buffer;
3329 }
3330 opened_buffer_rx
3331 .next()
3332 .await
3333 .ok_or_else(|| anyhow!("project dropped while waiting for buffer"))?;
3334 };
3335 Ok(buffer)
3336 }
3337 proto::buffer::Variant::State(mut buffer) => {
3338 let mut buffer_worktree = None;
3339 let mut buffer_file = None;
3340 if let Some(file) = buffer.file.take() {
3341 this.read_with(&cx, |this, cx| {
3342 let worktree_id = WorktreeId::from_proto(file.worktree_id);
3343 let worktree =
3344 this.worktree_for_id(worktree_id, cx).ok_or_else(|| {
3345 anyhow!("no worktree found for id {}", file.worktree_id)
3346 })?;
3347 buffer_file =
3348 Some(Box::new(File::from_proto(file, worktree.clone(), cx)?)
3349 as Box<dyn language::File>);
3350 buffer_worktree = Some(worktree);
3351 Ok::<_, anyhow::Error>(())
3352 })?;
3353 }
3354
3355 let buffer = cx.add_model(|cx| {
3356 Buffer::from_proto(replica_id, buffer, buffer_file, cx).unwrap()
3357 });
3358
3359 this.update(&mut cx, |this, cx| {
3360 this.register_buffer(&buffer, buffer_worktree.as_ref(), cx)
3361 })?;
3362
3363 *opened_buffer_tx.borrow_mut().borrow_mut() = ();
3364 Ok(buffer)
3365 }
3366 }
3367 })
3368 }
3369
3370 fn deserialize_symbol(&self, serialized_symbol: proto::Symbol) -> Result<Symbol> {
3371 let language = self
3372 .languages
3373 .get_language(&serialized_symbol.language_name);
3374 let start = serialized_symbol
3375 .start
3376 .ok_or_else(|| anyhow!("invalid start"))?;
3377 let end = serialized_symbol
3378 .end
3379 .ok_or_else(|| anyhow!("invalid end"))?;
3380 let kind = unsafe { mem::transmute(serialized_symbol.kind) };
3381 Ok(Symbol {
3382 source_worktree_id: WorktreeId::from_proto(serialized_symbol.source_worktree_id),
3383 worktree_id: WorktreeId::from_proto(serialized_symbol.worktree_id),
3384 language_name: serialized_symbol.language_name.clone(),
3385 label: language
3386 .and_then(|language| language.label_for_symbol(&serialized_symbol.name, kind))
3387 .unwrap_or_else(|| CodeLabel::plain(serialized_symbol.name.clone(), None)),
3388 name: serialized_symbol.name,
3389 path: PathBuf::from(serialized_symbol.path),
3390 range: PointUtf16::new(start.row, start.column)..PointUtf16::new(end.row, end.column),
3391 kind,
3392 signature: serialized_symbol
3393 .signature
3394 .try_into()
3395 .map_err(|_| anyhow!("invalid signature"))?,
3396 })
3397 }
3398
3399 async fn handle_close_buffer(
3400 _: ModelHandle<Self>,
3401 _: TypedEnvelope<proto::CloseBuffer>,
3402 _: Arc<Client>,
3403 _: AsyncAppContext,
3404 ) -> Result<()> {
3405 // TODO: use this for following
3406 Ok(())
3407 }
3408
3409 async fn handle_buffer_saved(
3410 this: ModelHandle<Self>,
3411 envelope: TypedEnvelope<proto::BufferSaved>,
3412 _: Arc<Client>,
3413 mut cx: AsyncAppContext,
3414 ) -> Result<()> {
3415 let version = envelope.payload.version.try_into()?;
3416 let mtime = envelope
3417 .payload
3418 .mtime
3419 .ok_or_else(|| anyhow!("missing mtime"))?
3420 .into();
3421
3422 this.update(&mut cx, |this, cx| {
3423 let buffer = this
3424 .opened_buffers
3425 .get(&envelope.payload.buffer_id)
3426 .and_then(|buffer| buffer.upgrade(cx));
3427 if let Some(buffer) = buffer {
3428 buffer.update(cx, |buffer, cx| {
3429 buffer.did_save(version, mtime, None, cx);
3430 });
3431 }
3432 Ok(())
3433 })
3434 }
3435
3436 async fn handle_buffer_reloaded(
3437 this: ModelHandle<Self>,
3438 envelope: TypedEnvelope<proto::BufferReloaded>,
3439 _: Arc<Client>,
3440 mut cx: AsyncAppContext,
3441 ) -> Result<()> {
3442 let payload = envelope.payload.clone();
3443 let version = payload.version.try_into()?;
3444 let mtime = payload
3445 .mtime
3446 .ok_or_else(|| anyhow!("missing mtime"))?
3447 .into();
3448 this.update(&mut cx, |this, cx| {
3449 let buffer = this
3450 .opened_buffers
3451 .get(&payload.buffer_id)
3452 .and_then(|buffer| buffer.upgrade(cx));
3453 if let Some(buffer) = buffer {
3454 buffer.update(cx, |buffer, cx| {
3455 buffer.did_reload(version, mtime, cx);
3456 });
3457 }
3458 Ok(())
3459 })
3460 }
3461
3462 pub fn match_paths<'a>(
3463 &self,
3464 query: &'a str,
3465 include_ignored: bool,
3466 smart_case: bool,
3467 max_results: usize,
3468 cancel_flag: &'a AtomicBool,
3469 cx: &AppContext,
3470 ) -> impl 'a + Future<Output = Vec<PathMatch>> {
3471 let worktrees = self
3472 .worktrees(cx)
3473 .filter(|worktree| worktree.read(cx).is_visible())
3474 .collect::<Vec<_>>();
3475 let include_root_name = worktrees.len() > 1;
3476 let candidate_sets = worktrees
3477 .into_iter()
3478 .map(|worktree| CandidateSet {
3479 snapshot: worktree.read(cx).snapshot(),
3480 include_ignored,
3481 include_root_name,
3482 })
3483 .collect::<Vec<_>>();
3484
3485 let background = cx.background().clone();
3486 async move {
3487 fuzzy::match_paths(
3488 candidate_sets.as_slice(),
3489 query,
3490 smart_case,
3491 max_results,
3492 cancel_flag,
3493 background,
3494 )
3495 .await
3496 }
3497 }
3498}
3499
3500impl WorktreeHandle {
3501 pub fn upgrade(&self, cx: &AppContext) -> Option<ModelHandle<Worktree>> {
3502 match self {
3503 WorktreeHandle::Strong(handle) => Some(handle.clone()),
3504 WorktreeHandle::Weak(handle) => handle.upgrade(cx),
3505 }
3506 }
3507}
3508
3509impl OpenBuffer {
3510 pub fn upgrade(&self, cx: &impl UpgradeModelHandle) -> Option<ModelHandle<Buffer>> {
3511 match self {
3512 OpenBuffer::Strong(handle) => Some(handle.clone()),
3513 OpenBuffer::Weak(handle) => handle.upgrade(cx),
3514 OpenBuffer::Loading(_) => None,
3515 }
3516 }
3517}
3518
3519struct CandidateSet {
3520 snapshot: Snapshot,
3521 include_ignored: bool,
3522 include_root_name: bool,
3523}
3524
3525impl<'a> PathMatchCandidateSet<'a> for CandidateSet {
3526 type Candidates = CandidateSetIter<'a>;
3527
3528 fn id(&self) -> usize {
3529 self.snapshot.id().to_usize()
3530 }
3531
3532 fn len(&self) -> usize {
3533 if self.include_ignored {
3534 self.snapshot.file_count()
3535 } else {
3536 self.snapshot.visible_file_count()
3537 }
3538 }
3539
3540 fn prefix(&self) -> Arc<str> {
3541 if self.snapshot.root_entry().map_or(false, |e| e.is_file()) {
3542 self.snapshot.root_name().into()
3543 } else if self.include_root_name {
3544 format!("{}/", self.snapshot.root_name()).into()
3545 } else {
3546 "".into()
3547 }
3548 }
3549
3550 fn candidates(&'a self, start: usize) -> Self::Candidates {
3551 CandidateSetIter {
3552 traversal: self.snapshot.files(self.include_ignored, start),
3553 }
3554 }
3555}
3556
3557struct CandidateSetIter<'a> {
3558 traversal: Traversal<'a>,
3559}
3560
3561impl<'a> Iterator for CandidateSetIter<'a> {
3562 type Item = PathMatchCandidate<'a>;
3563
3564 fn next(&mut self) -> Option<Self::Item> {
3565 self.traversal.next().map(|entry| {
3566 if let EntryKind::File(char_bag) = entry.kind {
3567 PathMatchCandidate {
3568 path: &entry.path,
3569 char_bag,
3570 }
3571 } else {
3572 unreachable!()
3573 }
3574 })
3575 }
3576}
3577
3578impl Entity for Project {
3579 type Event = Event;
3580
3581 fn release(&mut self, _: &mut gpui::MutableAppContext) {
3582 match &self.client_state {
3583 ProjectClientState::Local { remote_id_rx, .. } => {
3584 if let Some(project_id) = *remote_id_rx.borrow() {
3585 self.client
3586 .send(proto::UnregisterProject { project_id })
3587 .log_err();
3588 }
3589 }
3590 ProjectClientState::Remote { remote_id, .. } => {
3591 self.client
3592 .send(proto::LeaveProject {
3593 project_id: *remote_id,
3594 })
3595 .log_err();
3596 }
3597 }
3598 }
3599
3600 fn app_will_quit(
3601 &mut self,
3602 _: &mut MutableAppContext,
3603 ) -> Option<std::pin::Pin<Box<dyn 'static + Future<Output = ()>>>> {
3604 let shutdown_futures = self
3605 .language_servers
3606 .drain()
3607 .filter_map(|(_, server)| server.shutdown())
3608 .collect::<Vec<_>>();
3609 Some(
3610 async move {
3611 futures::future::join_all(shutdown_futures).await;
3612 }
3613 .boxed(),
3614 )
3615 }
3616}
3617
3618impl Collaborator {
3619 fn from_proto(
3620 message: proto::Collaborator,
3621 user_store: &ModelHandle<UserStore>,
3622 cx: &mut AsyncAppContext,
3623 ) -> impl Future<Output = Result<Self>> {
3624 let user = user_store.update(cx, |user_store, cx| {
3625 user_store.fetch_user(message.user_id, cx)
3626 });
3627
3628 async move {
3629 Ok(Self {
3630 peer_id: PeerId(message.peer_id),
3631 user: user.await?,
3632 replica_id: message.replica_id as ReplicaId,
3633 })
3634 }
3635 }
3636}
3637
3638impl<P: AsRef<Path>> From<(WorktreeId, P)> for ProjectPath {
3639 fn from((worktree_id, path): (WorktreeId, P)) -> Self {
3640 Self {
3641 worktree_id,
3642 path: path.as_ref().into(),
3643 }
3644 }
3645}
3646
3647impl From<lsp::CreateFileOptions> for fs::CreateOptions {
3648 fn from(options: lsp::CreateFileOptions) -> Self {
3649 Self {
3650 overwrite: options.overwrite.unwrap_or(false),
3651 ignore_if_exists: options.ignore_if_exists.unwrap_or(false),
3652 }
3653 }
3654}
3655
3656impl From<lsp::RenameFileOptions> for fs::RenameOptions {
3657 fn from(options: lsp::RenameFileOptions) -> Self {
3658 Self {
3659 overwrite: options.overwrite.unwrap_or(false),
3660 ignore_if_exists: options.ignore_if_exists.unwrap_or(false),
3661 }
3662 }
3663}
3664
3665impl From<lsp::DeleteFileOptions> for fs::RemoveOptions {
3666 fn from(options: lsp::DeleteFileOptions) -> Self {
3667 Self {
3668 recursive: options.recursive.unwrap_or(false),
3669 ignore_if_not_exists: options.ignore_if_not_exists.unwrap_or(false),
3670 }
3671 }
3672}
3673
3674fn serialize_symbol(symbol: &Symbol) -> proto::Symbol {
3675 proto::Symbol {
3676 source_worktree_id: symbol.source_worktree_id.to_proto(),
3677 worktree_id: symbol.worktree_id.to_proto(),
3678 language_name: symbol.language_name.clone(),
3679 name: symbol.name.clone(),
3680 kind: unsafe { mem::transmute(symbol.kind) },
3681 path: symbol.path.to_string_lossy().to_string(),
3682 start: Some(proto::Point {
3683 row: symbol.range.start.row,
3684 column: symbol.range.start.column,
3685 }),
3686 end: Some(proto::Point {
3687 row: symbol.range.end.row,
3688 column: symbol.range.end.column,
3689 }),
3690 signature: symbol.signature.to_vec(),
3691 }
3692}
3693
3694fn relativize_path(base: &Path, path: &Path) -> PathBuf {
3695 let mut path_components = path.components();
3696 let mut base_components = base.components();
3697 let mut components: Vec<Component> = Vec::new();
3698 loop {
3699 match (path_components.next(), base_components.next()) {
3700 (None, None) => break,
3701 (Some(a), None) => {
3702 components.push(a);
3703 components.extend(path_components.by_ref());
3704 break;
3705 }
3706 (None, _) => components.push(Component::ParentDir),
3707 (Some(a), Some(b)) if components.is_empty() && a == b => (),
3708 (Some(a), Some(b)) if b == Component::CurDir => components.push(a),
3709 (Some(a), Some(_)) => {
3710 components.push(Component::ParentDir);
3711 for _ in base_components {
3712 components.push(Component::ParentDir);
3713 }
3714 components.push(a);
3715 components.extend(path_components.by_ref());
3716 break;
3717 }
3718 }
3719 }
3720 components.iter().map(|c| c.as_os_str()).collect()
3721}
3722
3723#[cfg(test)]
3724mod tests {
3725 use super::{Event, *};
3726 use fs::RealFs;
3727 use futures::StreamExt;
3728 use gpui::test::subscribe;
3729 use language::{
3730 tree_sitter_rust, AnchorRangeExt, Diagnostic, LanguageConfig, LanguageServerConfig, Point,
3731 };
3732 use lsp::Url;
3733 use serde_json::json;
3734 use std::{cell::RefCell, os::unix, path::PathBuf, rc::Rc};
3735 use unindent::Unindent as _;
3736 use util::test::temp_tree;
3737 use worktree::WorktreeHandle as _;
3738
3739 #[gpui::test]
3740 async fn test_populate_and_search(cx: &mut gpui::TestAppContext) {
3741 let dir = temp_tree(json!({
3742 "root": {
3743 "apple": "",
3744 "banana": {
3745 "carrot": {
3746 "date": "",
3747 "endive": "",
3748 }
3749 },
3750 "fennel": {
3751 "grape": "",
3752 }
3753 }
3754 }));
3755
3756 let root_link_path = dir.path().join("root_link");
3757 unix::fs::symlink(&dir.path().join("root"), &root_link_path).unwrap();
3758 unix::fs::symlink(
3759 &dir.path().join("root/fennel"),
3760 &dir.path().join("root/finnochio"),
3761 )
3762 .unwrap();
3763
3764 let project = Project::test(Arc::new(RealFs), cx);
3765
3766 let (tree, _) = project
3767 .update(cx, |project, cx| {
3768 project.find_or_create_local_worktree(&root_link_path, true, cx)
3769 })
3770 .await
3771 .unwrap();
3772
3773 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3774 .await;
3775 cx.read(|cx| {
3776 let tree = tree.read(cx);
3777 assert_eq!(tree.file_count(), 5);
3778 assert_eq!(
3779 tree.inode_for_path("fennel/grape"),
3780 tree.inode_for_path("finnochio/grape")
3781 );
3782 });
3783
3784 let cancel_flag = Default::default();
3785 let results = project
3786 .read_with(cx, |project, cx| {
3787 project.match_paths("bna", false, false, 10, &cancel_flag, cx)
3788 })
3789 .await;
3790 assert_eq!(
3791 results
3792 .into_iter()
3793 .map(|result| result.path)
3794 .collect::<Vec<Arc<Path>>>(),
3795 vec![
3796 PathBuf::from("banana/carrot/date").into(),
3797 PathBuf::from("banana/carrot/endive").into(),
3798 ]
3799 );
3800 }
3801
3802 #[gpui::test]
3803 async fn test_language_server_diagnostics(cx: &mut gpui::TestAppContext) {
3804 let (language_server_config, mut fake_servers) = LanguageServerConfig::fake();
3805 let progress_token = language_server_config
3806 .disk_based_diagnostics_progress_token
3807 .clone()
3808 .unwrap();
3809
3810 let language = Arc::new(Language::new(
3811 LanguageConfig {
3812 name: "Rust".into(),
3813 path_suffixes: vec!["rs".to_string()],
3814 language_server: Some(language_server_config),
3815 ..Default::default()
3816 },
3817 Some(tree_sitter_rust::language()),
3818 ));
3819
3820 let fs = FakeFs::new(cx.background());
3821 fs.insert_tree(
3822 "/dir",
3823 json!({
3824 "a.rs": "fn a() { A }",
3825 "b.rs": "const y: i32 = 1",
3826 }),
3827 )
3828 .await;
3829
3830 let project = Project::test(fs, cx);
3831 project.update(cx, |project, _| {
3832 Arc::get_mut(&mut project.languages).unwrap().add(language);
3833 });
3834
3835 let (tree, _) = project
3836 .update(cx, |project, cx| {
3837 project.find_or_create_local_worktree("/dir", true, cx)
3838 })
3839 .await
3840 .unwrap();
3841 let worktree_id = tree.read_with(cx, |tree, _| tree.id());
3842
3843 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3844 .await;
3845
3846 // Cause worktree to start the fake language server
3847 let _buffer = project
3848 .update(cx, |project, cx| {
3849 project.open_buffer((worktree_id, Path::new("b.rs")), cx)
3850 })
3851 .await
3852 .unwrap();
3853
3854 let mut events = subscribe(&project, cx);
3855
3856 let mut fake_server = fake_servers.next().await.unwrap();
3857 fake_server.start_progress(&progress_token).await;
3858 assert_eq!(
3859 events.next().await.unwrap(),
3860 Event::DiskBasedDiagnosticsStarted
3861 );
3862
3863 fake_server.start_progress(&progress_token).await;
3864 fake_server.end_progress(&progress_token).await;
3865 fake_server.start_progress(&progress_token).await;
3866
3867 fake_server
3868 .notify::<lsp::notification::PublishDiagnostics>(lsp::PublishDiagnosticsParams {
3869 uri: Url::from_file_path("/dir/a.rs").unwrap(),
3870 version: None,
3871 diagnostics: vec![lsp::Diagnostic {
3872 range: lsp::Range::new(lsp::Position::new(0, 9), lsp::Position::new(0, 10)),
3873 severity: Some(lsp::DiagnosticSeverity::ERROR),
3874 message: "undefined variable 'A'".to_string(),
3875 ..Default::default()
3876 }],
3877 })
3878 .await;
3879 assert_eq!(
3880 events.next().await.unwrap(),
3881 Event::DiagnosticsUpdated((worktree_id, Path::new("a.rs")).into())
3882 );
3883
3884 fake_server.end_progress(&progress_token).await;
3885 fake_server.end_progress(&progress_token).await;
3886 assert_eq!(
3887 events.next().await.unwrap(),
3888 Event::DiskBasedDiagnosticsUpdated
3889 );
3890 assert_eq!(
3891 events.next().await.unwrap(),
3892 Event::DiskBasedDiagnosticsFinished
3893 );
3894
3895 let buffer = project
3896 .update(cx, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx))
3897 .await
3898 .unwrap();
3899
3900 buffer.read_with(cx, |buffer, _| {
3901 let snapshot = buffer.snapshot();
3902 let diagnostics = snapshot
3903 .diagnostics_in_range::<_, Point>(0..buffer.len())
3904 .collect::<Vec<_>>();
3905 assert_eq!(
3906 diagnostics,
3907 &[DiagnosticEntry {
3908 range: Point::new(0, 9)..Point::new(0, 10),
3909 diagnostic: Diagnostic {
3910 severity: lsp::DiagnosticSeverity::ERROR,
3911 message: "undefined variable 'A'".to_string(),
3912 group_id: 0,
3913 is_primary: true,
3914 ..Default::default()
3915 }
3916 }]
3917 )
3918 });
3919 }
3920
3921 #[gpui::test]
3922 async fn test_search_worktree_without_files(cx: &mut gpui::TestAppContext) {
3923 let dir = temp_tree(json!({
3924 "root": {
3925 "dir1": {},
3926 "dir2": {
3927 "dir3": {}
3928 }
3929 }
3930 }));
3931
3932 let project = Project::test(Arc::new(RealFs), cx);
3933 let (tree, _) = project
3934 .update(cx, |project, cx| {
3935 project.find_or_create_local_worktree(&dir.path(), true, cx)
3936 })
3937 .await
3938 .unwrap();
3939
3940 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3941 .await;
3942
3943 let cancel_flag = Default::default();
3944 let results = project
3945 .read_with(cx, |project, cx| {
3946 project.match_paths("dir", false, false, 10, &cancel_flag, cx)
3947 })
3948 .await;
3949
3950 assert!(results.is_empty());
3951 }
3952
3953 #[gpui::test]
3954 async fn test_definition(cx: &mut gpui::TestAppContext) {
3955 let (language_server_config, mut fake_servers) = LanguageServerConfig::fake();
3956 let language = Arc::new(Language::new(
3957 LanguageConfig {
3958 name: "Rust".into(),
3959 path_suffixes: vec!["rs".to_string()],
3960 language_server: Some(language_server_config),
3961 ..Default::default()
3962 },
3963 Some(tree_sitter_rust::language()),
3964 ));
3965
3966 let fs = FakeFs::new(cx.background());
3967 fs.insert_tree(
3968 "/dir",
3969 json!({
3970 "a.rs": "const fn a() { A }",
3971 "b.rs": "const y: i32 = crate::a()",
3972 }),
3973 )
3974 .await;
3975
3976 let project = Project::test(fs, cx);
3977 project.update(cx, |project, _| {
3978 Arc::get_mut(&mut project.languages).unwrap().add(language);
3979 });
3980
3981 let (tree, _) = project
3982 .update(cx, |project, cx| {
3983 project.find_or_create_local_worktree("/dir/b.rs", true, cx)
3984 })
3985 .await
3986 .unwrap();
3987 let worktree_id = tree.read_with(cx, |tree, _| tree.id());
3988 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3989 .await;
3990
3991 let buffer = project
3992 .update(cx, |project, cx| {
3993 project.open_buffer(
3994 ProjectPath {
3995 worktree_id,
3996 path: Path::new("").into(),
3997 },
3998 cx,
3999 )
4000 })
4001 .await
4002 .unwrap();
4003
4004 let mut fake_server = fake_servers.next().await.unwrap();
4005 fake_server.handle_request::<lsp::request::GotoDefinition, _>(move |params, _| {
4006 let params = params.text_document_position_params;
4007 assert_eq!(
4008 params.text_document.uri.to_file_path().unwrap(),
4009 Path::new("/dir/b.rs"),
4010 );
4011 assert_eq!(params.position, lsp::Position::new(0, 22));
4012
4013 Some(lsp::GotoDefinitionResponse::Scalar(lsp::Location::new(
4014 lsp::Url::from_file_path("/dir/a.rs").unwrap(),
4015 lsp::Range::new(lsp::Position::new(0, 9), lsp::Position::new(0, 10)),
4016 )))
4017 });
4018
4019 let mut definitions = project
4020 .update(cx, |project, cx| project.definition(&buffer, 22, cx))
4021 .await
4022 .unwrap();
4023
4024 assert_eq!(definitions.len(), 1);
4025 let definition = definitions.pop().unwrap();
4026 cx.update(|cx| {
4027 let target_buffer = definition.buffer.read(cx);
4028 assert_eq!(
4029 target_buffer
4030 .file()
4031 .unwrap()
4032 .as_local()
4033 .unwrap()
4034 .abs_path(cx),
4035 Path::new("/dir/a.rs"),
4036 );
4037 assert_eq!(definition.range.to_offset(target_buffer), 9..10);
4038 assert_eq!(
4039 list_worktrees(&project, cx),
4040 [("/dir/b.rs".as_ref(), true), ("/dir/a.rs".as_ref(), false)]
4041 );
4042
4043 drop(definition);
4044 });
4045 cx.read(|cx| {
4046 assert_eq!(list_worktrees(&project, cx), [("/dir/b.rs".as_ref(), true)]);
4047 });
4048
4049 fn list_worktrees<'a>(
4050 project: &'a ModelHandle<Project>,
4051 cx: &'a AppContext,
4052 ) -> Vec<(&'a Path, bool)> {
4053 project
4054 .read(cx)
4055 .worktrees(cx)
4056 .map(|worktree| {
4057 let worktree = worktree.read(cx);
4058 (
4059 worktree.as_local().unwrap().abs_path().as_ref(),
4060 worktree.is_visible(),
4061 )
4062 })
4063 .collect::<Vec<_>>()
4064 }
4065 }
4066
4067 #[gpui::test]
4068 async fn test_save_file(cx: &mut gpui::TestAppContext) {
4069 let fs = FakeFs::new(cx.background());
4070 fs.insert_tree(
4071 "/dir",
4072 json!({
4073 "file1": "the old contents",
4074 }),
4075 )
4076 .await;
4077
4078 let project = Project::test(fs.clone(), cx);
4079 let worktree_id = project
4080 .update(cx, |p, cx| {
4081 p.find_or_create_local_worktree("/dir", true, cx)
4082 })
4083 .await
4084 .unwrap()
4085 .0
4086 .read_with(cx, |tree, _| tree.id());
4087
4088 let buffer = project
4089 .update(cx, |p, cx| p.open_buffer((worktree_id, "file1"), cx))
4090 .await
4091 .unwrap();
4092 buffer
4093 .update(cx, |buffer, cx| {
4094 assert_eq!(buffer.text(), "the old contents");
4095 buffer.edit(Some(0..0), "a line of text.\n".repeat(10 * 1024), cx);
4096 buffer.save(cx)
4097 })
4098 .await
4099 .unwrap();
4100
4101 let new_text = fs.load(Path::new("/dir/file1")).await.unwrap();
4102 assert_eq!(new_text, buffer.read_with(cx, |buffer, _| buffer.text()));
4103 }
4104
4105 #[gpui::test]
4106 async fn test_save_in_single_file_worktree(cx: &mut gpui::TestAppContext) {
4107 let fs = FakeFs::new(cx.background());
4108 fs.insert_tree(
4109 "/dir",
4110 json!({
4111 "file1": "the old contents",
4112 }),
4113 )
4114 .await;
4115
4116 let project = Project::test(fs.clone(), cx);
4117 let worktree_id = project
4118 .update(cx, |p, cx| {
4119 p.find_or_create_local_worktree("/dir/file1", true, cx)
4120 })
4121 .await
4122 .unwrap()
4123 .0
4124 .read_with(cx, |tree, _| tree.id());
4125
4126 let buffer = project
4127 .update(cx, |p, cx| p.open_buffer((worktree_id, ""), cx))
4128 .await
4129 .unwrap();
4130 buffer
4131 .update(cx, |buffer, cx| {
4132 buffer.edit(Some(0..0), "a line of text.\n".repeat(10 * 1024), cx);
4133 buffer.save(cx)
4134 })
4135 .await
4136 .unwrap();
4137
4138 let new_text = fs.load(Path::new("/dir/file1")).await.unwrap();
4139 assert_eq!(new_text, buffer.read_with(cx, |buffer, _| buffer.text()));
4140 }
4141
4142 #[gpui::test(retries = 5)]
4143 async fn test_rescan_and_remote_updates(cx: &mut gpui::TestAppContext) {
4144 let dir = temp_tree(json!({
4145 "a": {
4146 "file1": "",
4147 "file2": "",
4148 "file3": "",
4149 },
4150 "b": {
4151 "c": {
4152 "file4": "",
4153 "file5": "",
4154 }
4155 }
4156 }));
4157
4158 let project = Project::test(Arc::new(RealFs), cx);
4159 let rpc = project.read_with(cx, |p, _| p.client.clone());
4160
4161 let (tree, _) = project
4162 .update(cx, |p, cx| {
4163 p.find_or_create_local_worktree(dir.path(), true, cx)
4164 })
4165 .await
4166 .unwrap();
4167 let worktree_id = tree.read_with(cx, |tree, _| tree.id());
4168
4169 let buffer_for_path = |path: &'static str, cx: &mut gpui::TestAppContext| {
4170 let buffer = project.update(cx, |p, cx| p.open_buffer((worktree_id, path), cx));
4171 async move { buffer.await.unwrap() }
4172 };
4173 let id_for_path = |path: &'static str, cx: &gpui::TestAppContext| {
4174 tree.read_with(cx, |tree, _| {
4175 tree.entry_for_path(path)
4176 .expect(&format!("no entry for path {}", path))
4177 .id
4178 })
4179 };
4180
4181 let buffer2 = buffer_for_path("a/file2", cx).await;
4182 let buffer3 = buffer_for_path("a/file3", cx).await;
4183 let buffer4 = buffer_for_path("b/c/file4", cx).await;
4184 let buffer5 = buffer_for_path("b/c/file5", cx).await;
4185
4186 let file2_id = id_for_path("a/file2", &cx);
4187 let file3_id = id_for_path("a/file3", &cx);
4188 let file4_id = id_for_path("b/c/file4", &cx);
4189
4190 // Wait for the initial scan.
4191 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
4192 .await;
4193
4194 // Create a remote copy of this worktree.
4195 let initial_snapshot = tree.read_with(cx, |tree, _| tree.as_local().unwrap().snapshot());
4196 let (remote, load_task) = cx.update(|cx| {
4197 Worktree::remote(
4198 1,
4199 1,
4200 initial_snapshot.to_proto(&Default::default(), true),
4201 rpc.clone(),
4202 cx,
4203 )
4204 });
4205 load_task.await;
4206
4207 cx.read(|cx| {
4208 assert!(!buffer2.read(cx).is_dirty());
4209 assert!(!buffer3.read(cx).is_dirty());
4210 assert!(!buffer4.read(cx).is_dirty());
4211 assert!(!buffer5.read(cx).is_dirty());
4212 });
4213
4214 // Rename and delete files and directories.
4215 tree.flush_fs_events(&cx).await;
4216 std::fs::rename(dir.path().join("a/file3"), dir.path().join("b/c/file3")).unwrap();
4217 std::fs::remove_file(dir.path().join("b/c/file5")).unwrap();
4218 std::fs::rename(dir.path().join("b/c"), dir.path().join("d")).unwrap();
4219 std::fs::rename(dir.path().join("a/file2"), dir.path().join("a/file2.new")).unwrap();
4220 tree.flush_fs_events(&cx).await;
4221
4222 let expected_paths = vec![
4223 "a",
4224 "a/file1",
4225 "a/file2.new",
4226 "b",
4227 "d",
4228 "d/file3",
4229 "d/file4",
4230 ];
4231
4232 cx.read(|app| {
4233 assert_eq!(
4234 tree.read(app)
4235 .paths()
4236 .map(|p| p.to_str().unwrap())
4237 .collect::<Vec<_>>(),
4238 expected_paths
4239 );
4240
4241 assert_eq!(id_for_path("a/file2.new", &cx), file2_id);
4242 assert_eq!(id_for_path("d/file3", &cx), file3_id);
4243 assert_eq!(id_for_path("d/file4", &cx), file4_id);
4244
4245 assert_eq!(
4246 buffer2.read(app).file().unwrap().path().as_ref(),
4247 Path::new("a/file2.new")
4248 );
4249 assert_eq!(
4250 buffer3.read(app).file().unwrap().path().as_ref(),
4251 Path::new("d/file3")
4252 );
4253 assert_eq!(
4254 buffer4.read(app).file().unwrap().path().as_ref(),
4255 Path::new("d/file4")
4256 );
4257 assert_eq!(
4258 buffer5.read(app).file().unwrap().path().as_ref(),
4259 Path::new("b/c/file5")
4260 );
4261
4262 assert!(!buffer2.read(app).file().unwrap().is_deleted());
4263 assert!(!buffer3.read(app).file().unwrap().is_deleted());
4264 assert!(!buffer4.read(app).file().unwrap().is_deleted());
4265 assert!(buffer5.read(app).file().unwrap().is_deleted());
4266 });
4267
4268 // Update the remote worktree. Check that it becomes consistent with the
4269 // local worktree.
4270 remote.update(cx, |remote, cx| {
4271 let update_message = tree.read(cx).as_local().unwrap().snapshot().build_update(
4272 &initial_snapshot,
4273 1,
4274 1,
4275 true,
4276 );
4277 remote
4278 .as_remote_mut()
4279 .unwrap()
4280 .snapshot
4281 .apply_remote_update(update_message)
4282 .unwrap();
4283
4284 assert_eq!(
4285 remote
4286 .paths()
4287 .map(|p| p.to_str().unwrap())
4288 .collect::<Vec<_>>(),
4289 expected_paths
4290 );
4291 });
4292 }
4293
4294 #[gpui::test]
4295 async fn test_buffer_deduping(cx: &mut gpui::TestAppContext) {
4296 let fs = FakeFs::new(cx.background());
4297 fs.insert_tree(
4298 "/the-dir",
4299 json!({
4300 "a.txt": "a-contents",
4301 "b.txt": "b-contents",
4302 }),
4303 )
4304 .await;
4305
4306 let project = Project::test(fs.clone(), cx);
4307 let worktree_id = project
4308 .update(cx, |p, cx| {
4309 p.find_or_create_local_worktree("/the-dir", true, cx)
4310 })
4311 .await
4312 .unwrap()
4313 .0
4314 .read_with(cx, |tree, _| tree.id());
4315
4316 // Spawn multiple tasks to open paths, repeating some paths.
4317 let (buffer_a_1, buffer_b, buffer_a_2) = project.update(cx, |p, cx| {
4318 (
4319 p.open_buffer((worktree_id, "a.txt"), cx),
4320 p.open_buffer((worktree_id, "b.txt"), cx),
4321 p.open_buffer((worktree_id, "a.txt"), cx),
4322 )
4323 });
4324
4325 let buffer_a_1 = buffer_a_1.await.unwrap();
4326 let buffer_a_2 = buffer_a_2.await.unwrap();
4327 let buffer_b = buffer_b.await.unwrap();
4328 assert_eq!(buffer_a_1.read_with(cx, |b, _| b.text()), "a-contents");
4329 assert_eq!(buffer_b.read_with(cx, |b, _| b.text()), "b-contents");
4330
4331 // There is only one buffer per path.
4332 let buffer_a_id = buffer_a_1.id();
4333 assert_eq!(buffer_a_2.id(), buffer_a_id);
4334
4335 // Open the same path again while it is still open.
4336 drop(buffer_a_1);
4337 let buffer_a_3 = project
4338 .update(cx, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
4339 .await
4340 .unwrap();
4341
4342 // There's still only one buffer per path.
4343 assert_eq!(buffer_a_3.id(), buffer_a_id);
4344 }
4345
4346 #[gpui::test]
4347 async fn test_buffer_is_dirty(cx: &mut gpui::TestAppContext) {
4348 use std::fs;
4349
4350 let dir = temp_tree(json!({
4351 "file1": "abc",
4352 "file2": "def",
4353 "file3": "ghi",
4354 }));
4355
4356 let project = Project::test(Arc::new(RealFs), cx);
4357 let (worktree, _) = project
4358 .update(cx, |p, cx| {
4359 p.find_or_create_local_worktree(dir.path(), true, cx)
4360 })
4361 .await
4362 .unwrap();
4363 let worktree_id = worktree.read_with(cx, |worktree, _| worktree.id());
4364
4365 worktree.flush_fs_events(&cx).await;
4366 worktree
4367 .read_with(cx, |t, _| t.as_local().unwrap().scan_complete())
4368 .await;
4369
4370 let buffer1 = project
4371 .update(cx, |p, cx| p.open_buffer((worktree_id, "file1"), cx))
4372 .await
4373 .unwrap();
4374 let events = Rc::new(RefCell::new(Vec::new()));
4375
4376 // initially, the buffer isn't dirty.
4377 buffer1.update(cx, |buffer, cx| {
4378 cx.subscribe(&buffer1, {
4379 let events = events.clone();
4380 move |_, _, event, _| events.borrow_mut().push(event.clone())
4381 })
4382 .detach();
4383
4384 assert!(!buffer.is_dirty());
4385 assert!(events.borrow().is_empty());
4386
4387 buffer.edit(vec![1..2], "", cx);
4388 });
4389
4390 // after the first edit, the buffer is dirty, and emits a dirtied event.
4391 buffer1.update(cx, |buffer, cx| {
4392 assert!(buffer.text() == "ac");
4393 assert!(buffer.is_dirty());
4394 assert_eq!(
4395 *events.borrow(),
4396 &[language::Event::Edited, language::Event::Dirtied]
4397 );
4398 events.borrow_mut().clear();
4399 buffer.did_save(buffer.version(), buffer.file().unwrap().mtime(), None, cx);
4400 });
4401
4402 // after saving, the buffer is not dirty, and emits a saved event.
4403 buffer1.update(cx, |buffer, cx| {
4404 assert!(!buffer.is_dirty());
4405 assert_eq!(*events.borrow(), &[language::Event::Saved]);
4406 events.borrow_mut().clear();
4407
4408 buffer.edit(vec![1..1], "B", cx);
4409 buffer.edit(vec![2..2], "D", cx);
4410 });
4411
4412 // after editing again, the buffer is dirty, and emits another dirty event.
4413 buffer1.update(cx, |buffer, cx| {
4414 assert!(buffer.text() == "aBDc");
4415 assert!(buffer.is_dirty());
4416 assert_eq!(
4417 *events.borrow(),
4418 &[
4419 language::Event::Edited,
4420 language::Event::Dirtied,
4421 language::Event::Edited,
4422 ],
4423 );
4424 events.borrow_mut().clear();
4425
4426 // TODO - currently, after restoring the buffer to its
4427 // previously-saved state, the is still considered dirty.
4428 buffer.edit([1..3], "", cx);
4429 assert!(buffer.text() == "ac");
4430 assert!(buffer.is_dirty());
4431 });
4432
4433 assert_eq!(*events.borrow(), &[language::Event::Edited]);
4434
4435 // When a file is deleted, the buffer is considered dirty.
4436 let events = Rc::new(RefCell::new(Vec::new()));
4437 let buffer2 = project
4438 .update(cx, |p, cx| p.open_buffer((worktree_id, "file2"), cx))
4439 .await
4440 .unwrap();
4441 buffer2.update(cx, |_, cx| {
4442 cx.subscribe(&buffer2, {
4443 let events = events.clone();
4444 move |_, _, event, _| events.borrow_mut().push(event.clone())
4445 })
4446 .detach();
4447 });
4448
4449 fs::remove_file(dir.path().join("file2")).unwrap();
4450 buffer2.condition(&cx, |b, _| b.is_dirty()).await;
4451 assert_eq!(
4452 *events.borrow(),
4453 &[language::Event::Dirtied, language::Event::FileHandleChanged]
4454 );
4455
4456 // When a file is already dirty when deleted, we don't emit a Dirtied event.
4457 let events = Rc::new(RefCell::new(Vec::new()));
4458 let buffer3 = project
4459 .update(cx, |p, cx| p.open_buffer((worktree_id, "file3"), cx))
4460 .await
4461 .unwrap();
4462 buffer3.update(cx, |_, cx| {
4463 cx.subscribe(&buffer3, {
4464 let events = events.clone();
4465 move |_, _, event, _| events.borrow_mut().push(event.clone())
4466 })
4467 .detach();
4468 });
4469
4470 worktree.flush_fs_events(&cx).await;
4471 buffer3.update(cx, |buffer, cx| {
4472 buffer.edit(Some(0..0), "x", cx);
4473 });
4474 events.borrow_mut().clear();
4475 fs::remove_file(dir.path().join("file3")).unwrap();
4476 buffer3
4477 .condition(&cx, |_, _| !events.borrow().is_empty())
4478 .await;
4479 assert_eq!(*events.borrow(), &[language::Event::FileHandleChanged]);
4480 cx.read(|cx| assert!(buffer3.read(cx).is_dirty()));
4481 }
4482
4483 #[gpui::test]
4484 async fn test_buffer_file_changes_on_disk(cx: &mut gpui::TestAppContext) {
4485 use std::fs;
4486
4487 let initial_contents = "aaa\nbbbbb\nc\n";
4488 let dir = temp_tree(json!({ "the-file": initial_contents }));
4489
4490 let project = Project::test(Arc::new(RealFs), cx);
4491 let (worktree, _) = project
4492 .update(cx, |p, cx| {
4493 p.find_or_create_local_worktree(dir.path(), true, cx)
4494 })
4495 .await
4496 .unwrap();
4497 let worktree_id = worktree.read_with(cx, |tree, _| tree.id());
4498
4499 worktree
4500 .read_with(cx, |t, _| t.as_local().unwrap().scan_complete())
4501 .await;
4502
4503 let abs_path = dir.path().join("the-file");
4504 let buffer = project
4505 .update(cx, |p, cx| p.open_buffer((worktree_id, "the-file"), cx))
4506 .await
4507 .unwrap();
4508
4509 // TODO
4510 // Add a cursor on each row.
4511 // let selection_set_id = buffer.update(&mut cx, |buffer, cx| {
4512 // assert!(!buffer.is_dirty());
4513 // buffer.add_selection_set(
4514 // &(0..3)
4515 // .map(|row| Selection {
4516 // id: row as usize,
4517 // start: Point::new(row, 1),
4518 // end: Point::new(row, 1),
4519 // reversed: false,
4520 // goal: SelectionGoal::None,
4521 // })
4522 // .collect::<Vec<_>>(),
4523 // cx,
4524 // )
4525 // });
4526
4527 // Change the file on disk, adding two new lines of text, and removing
4528 // one line.
4529 buffer.read_with(cx, |buffer, _| {
4530 assert!(!buffer.is_dirty());
4531 assert!(!buffer.has_conflict());
4532 });
4533 let new_contents = "AAAA\naaa\nBB\nbbbbb\n";
4534 fs::write(&abs_path, new_contents).unwrap();
4535
4536 // Because the buffer was not modified, it is reloaded from disk. Its
4537 // contents are edited according to the diff between the old and new
4538 // file contents.
4539 buffer
4540 .condition(&cx, |buffer, _| buffer.text() == new_contents)
4541 .await;
4542
4543 buffer.update(cx, |buffer, _| {
4544 assert_eq!(buffer.text(), new_contents);
4545 assert!(!buffer.is_dirty());
4546 assert!(!buffer.has_conflict());
4547
4548 // TODO
4549 // let cursor_positions = buffer
4550 // .selection_set(selection_set_id)
4551 // .unwrap()
4552 // .selections::<Point>(&*buffer)
4553 // .map(|selection| {
4554 // assert_eq!(selection.start, selection.end);
4555 // selection.start
4556 // })
4557 // .collect::<Vec<_>>();
4558 // assert_eq!(
4559 // cursor_positions,
4560 // [Point::new(1, 1), Point::new(3, 1), Point::new(4, 0)]
4561 // );
4562 });
4563
4564 // Modify the buffer
4565 buffer.update(cx, |buffer, cx| {
4566 buffer.edit(vec![0..0], " ", cx);
4567 assert!(buffer.is_dirty());
4568 assert!(!buffer.has_conflict());
4569 });
4570
4571 // Change the file on disk again, adding blank lines to the beginning.
4572 fs::write(&abs_path, "\n\n\nAAAA\naaa\nBB\nbbbbb\n").unwrap();
4573
4574 // Because the buffer is modified, it doesn't reload from disk, but is
4575 // marked as having a conflict.
4576 buffer
4577 .condition(&cx, |buffer, _| buffer.has_conflict())
4578 .await;
4579 }
4580
4581 #[gpui::test]
4582 async fn test_grouped_diagnostics(cx: &mut gpui::TestAppContext) {
4583 let fs = FakeFs::new(cx.background());
4584 fs.insert_tree(
4585 "/the-dir",
4586 json!({
4587 "a.rs": "
4588 fn foo(mut v: Vec<usize>) {
4589 for x in &v {
4590 v.push(1);
4591 }
4592 }
4593 "
4594 .unindent(),
4595 }),
4596 )
4597 .await;
4598
4599 let project = Project::test(fs.clone(), cx);
4600 let (worktree, _) = project
4601 .update(cx, |p, cx| {
4602 p.find_or_create_local_worktree("/the-dir", true, cx)
4603 })
4604 .await
4605 .unwrap();
4606 let worktree_id = worktree.read_with(cx, |tree, _| tree.id());
4607
4608 let buffer = project
4609 .update(cx, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx))
4610 .await
4611 .unwrap();
4612
4613 let buffer_uri = Url::from_file_path("/the-dir/a.rs").unwrap();
4614 let message = lsp::PublishDiagnosticsParams {
4615 uri: buffer_uri.clone(),
4616 diagnostics: vec![
4617 lsp::Diagnostic {
4618 range: lsp::Range::new(lsp::Position::new(1, 8), lsp::Position::new(1, 9)),
4619 severity: Some(DiagnosticSeverity::WARNING),
4620 message: "error 1".to_string(),
4621 related_information: Some(vec![lsp::DiagnosticRelatedInformation {
4622 location: lsp::Location {
4623 uri: buffer_uri.clone(),
4624 range: lsp::Range::new(
4625 lsp::Position::new(1, 8),
4626 lsp::Position::new(1, 9),
4627 ),
4628 },
4629 message: "error 1 hint 1".to_string(),
4630 }]),
4631 ..Default::default()
4632 },
4633 lsp::Diagnostic {
4634 range: lsp::Range::new(lsp::Position::new(1, 8), lsp::Position::new(1, 9)),
4635 severity: Some(DiagnosticSeverity::HINT),
4636 message: "error 1 hint 1".to_string(),
4637 related_information: Some(vec![lsp::DiagnosticRelatedInformation {
4638 location: lsp::Location {
4639 uri: buffer_uri.clone(),
4640 range: lsp::Range::new(
4641 lsp::Position::new(1, 8),
4642 lsp::Position::new(1, 9),
4643 ),
4644 },
4645 message: "original diagnostic".to_string(),
4646 }]),
4647 ..Default::default()
4648 },
4649 lsp::Diagnostic {
4650 range: lsp::Range::new(lsp::Position::new(2, 8), lsp::Position::new(2, 17)),
4651 severity: Some(DiagnosticSeverity::ERROR),
4652 message: "error 2".to_string(),
4653 related_information: Some(vec![
4654 lsp::DiagnosticRelatedInformation {
4655 location: lsp::Location {
4656 uri: buffer_uri.clone(),
4657 range: lsp::Range::new(
4658 lsp::Position::new(1, 13),
4659 lsp::Position::new(1, 15),
4660 ),
4661 },
4662 message: "error 2 hint 1".to_string(),
4663 },
4664 lsp::DiagnosticRelatedInformation {
4665 location: lsp::Location {
4666 uri: buffer_uri.clone(),
4667 range: lsp::Range::new(
4668 lsp::Position::new(1, 13),
4669 lsp::Position::new(1, 15),
4670 ),
4671 },
4672 message: "error 2 hint 2".to_string(),
4673 },
4674 ]),
4675 ..Default::default()
4676 },
4677 lsp::Diagnostic {
4678 range: lsp::Range::new(lsp::Position::new(1, 13), lsp::Position::new(1, 15)),
4679 severity: Some(DiagnosticSeverity::HINT),
4680 message: "error 2 hint 1".to_string(),
4681 related_information: Some(vec![lsp::DiagnosticRelatedInformation {
4682 location: lsp::Location {
4683 uri: buffer_uri.clone(),
4684 range: lsp::Range::new(
4685 lsp::Position::new(2, 8),
4686 lsp::Position::new(2, 17),
4687 ),
4688 },
4689 message: "original diagnostic".to_string(),
4690 }]),
4691 ..Default::default()
4692 },
4693 lsp::Diagnostic {
4694 range: lsp::Range::new(lsp::Position::new(1, 13), lsp::Position::new(1, 15)),
4695 severity: Some(DiagnosticSeverity::HINT),
4696 message: "error 2 hint 2".to_string(),
4697 related_information: Some(vec![lsp::DiagnosticRelatedInformation {
4698 location: lsp::Location {
4699 uri: buffer_uri.clone(),
4700 range: lsp::Range::new(
4701 lsp::Position::new(2, 8),
4702 lsp::Position::new(2, 17),
4703 ),
4704 },
4705 message: "original diagnostic".to_string(),
4706 }]),
4707 ..Default::default()
4708 },
4709 ],
4710 version: None,
4711 };
4712
4713 project
4714 .update(cx, |p, cx| {
4715 p.update_diagnostics(message, &Default::default(), cx)
4716 })
4717 .unwrap();
4718 let buffer = buffer.read_with(cx, |buffer, _| buffer.snapshot());
4719
4720 assert_eq!(
4721 buffer
4722 .diagnostics_in_range::<_, Point>(0..buffer.len())
4723 .collect::<Vec<_>>(),
4724 &[
4725 DiagnosticEntry {
4726 range: Point::new(1, 8)..Point::new(1, 9),
4727 diagnostic: Diagnostic {
4728 severity: DiagnosticSeverity::WARNING,
4729 message: "error 1".to_string(),
4730 group_id: 0,
4731 is_primary: true,
4732 ..Default::default()
4733 }
4734 },
4735 DiagnosticEntry {
4736 range: Point::new(1, 8)..Point::new(1, 9),
4737 diagnostic: Diagnostic {
4738 severity: DiagnosticSeverity::HINT,
4739 message: "error 1 hint 1".to_string(),
4740 group_id: 0,
4741 is_primary: false,
4742 ..Default::default()
4743 }
4744 },
4745 DiagnosticEntry {
4746 range: Point::new(1, 13)..Point::new(1, 15),
4747 diagnostic: Diagnostic {
4748 severity: DiagnosticSeverity::HINT,
4749 message: "error 2 hint 1".to_string(),
4750 group_id: 1,
4751 is_primary: false,
4752 ..Default::default()
4753 }
4754 },
4755 DiagnosticEntry {
4756 range: Point::new(1, 13)..Point::new(1, 15),
4757 diagnostic: Diagnostic {
4758 severity: DiagnosticSeverity::HINT,
4759 message: "error 2 hint 2".to_string(),
4760 group_id: 1,
4761 is_primary: false,
4762 ..Default::default()
4763 }
4764 },
4765 DiagnosticEntry {
4766 range: Point::new(2, 8)..Point::new(2, 17),
4767 diagnostic: Diagnostic {
4768 severity: DiagnosticSeverity::ERROR,
4769 message: "error 2".to_string(),
4770 group_id: 1,
4771 is_primary: true,
4772 ..Default::default()
4773 }
4774 }
4775 ]
4776 );
4777
4778 assert_eq!(
4779 buffer.diagnostic_group::<Point>(0).collect::<Vec<_>>(),
4780 &[
4781 DiagnosticEntry {
4782 range: Point::new(1, 8)..Point::new(1, 9),
4783 diagnostic: Diagnostic {
4784 severity: DiagnosticSeverity::WARNING,
4785 message: "error 1".to_string(),
4786 group_id: 0,
4787 is_primary: true,
4788 ..Default::default()
4789 }
4790 },
4791 DiagnosticEntry {
4792 range: Point::new(1, 8)..Point::new(1, 9),
4793 diagnostic: Diagnostic {
4794 severity: DiagnosticSeverity::HINT,
4795 message: "error 1 hint 1".to_string(),
4796 group_id: 0,
4797 is_primary: false,
4798 ..Default::default()
4799 }
4800 },
4801 ]
4802 );
4803 assert_eq!(
4804 buffer.diagnostic_group::<Point>(1).collect::<Vec<_>>(),
4805 &[
4806 DiagnosticEntry {
4807 range: Point::new(1, 13)..Point::new(1, 15),
4808 diagnostic: Diagnostic {
4809 severity: DiagnosticSeverity::HINT,
4810 message: "error 2 hint 1".to_string(),
4811 group_id: 1,
4812 is_primary: false,
4813 ..Default::default()
4814 }
4815 },
4816 DiagnosticEntry {
4817 range: Point::new(1, 13)..Point::new(1, 15),
4818 diagnostic: Diagnostic {
4819 severity: DiagnosticSeverity::HINT,
4820 message: "error 2 hint 2".to_string(),
4821 group_id: 1,
4822 is_primary: false,
4823 ..Default::default()
4824 }
4825 },
4826 DiagnosticEntry {
4827 range: Point::new(2, 8)..Point::new(2, 17),
4828 diagnostic: Diagnostic {
4829 severity: DiagnosticSeverity::ERROR,
4830 message: "error 2".to_string(),
4831 group_id: 1,
4832 is_primary: true,
4833 ..Default::default()
4834 }
4835 }
4836 ]
4837 );
4838 }
4839
4840 #[gpui::test]
4841 async fn test_rename(cx: &mut gpui::TestAppContext) {
4842 let (language_server_config, mut fake_servers) = LanguageServerConfig::fake();
4843 let language = Arc::new(Language::new(
4844 LanguageConfig {
4845 name: "Rust".into(),
4846 path_suffixes: vec!["rs".to_string()],
4847 language_server: Some(language_server_config),
4848 ..Default::default()
4849 },
4850 Some(tree_sitter_rust::language()),
4851 ));
4852
4853 let fs = FakeFs::new(cx.background());
4854 fs.insert_tree(
4855 "/dir",
4856 json!({
4857 "one.rs": "const ONE: usize = 1;",
4858 "two.rs": "const TWO: usize = one::ONE + one::ONE;"
4859 }),
4860 )
4861 .await;
4862
4863 let project = Project::test(fs.clone(), cx);
4864 project.update(cx, |project, _| {
4865 Arc::get_mut(&mut project.languages).unwrap().add(language);
4866 });
4867
4868 let (tree, _) = project
4869 .update(cx, |project, cx| {
4870 project.find_or_create_local_worktree("/dir", true, cx)
4871 })
4872 .await
4873 .unwrap();
4874 let worktree_id = tree.read_with(cx, |tree, _| tree.id());
4875 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
4876 .await;
4877
4878 let buffer = project
4879 .update(cx, |project, cx| {
4880 project.open_buffer((worktree_id, Path::new("one.rs")), cx)
4881 })
4882 .await
4883 .unwrap();
4884
4885 let mut fake_server = fake_servers.next().await.unwrap();
4886
4887 let response = project.update(cx, |project, cx| {
4888 project.prepare_rename(buffer.clone(), 7, cx)
4889 });
4890 fake_server
4891 .handle_request::<lsp::request::PrepareRenameRequest, _>(|params, _| {
4892 assert_eq!(params.text_document.uri.as_str(), "file:///dir/one.rs");
4893 assert_eq!(params.position, lsp::Position::new(0, 7));
4894 Some(lsp::PrepareRenameResponse::Range(lsp::Range::new(
4895 lsp::Position::new(0, 6),
4896 lsp::Position::new(0, 9),
4897 )))
4898 })
4899 .next()
4900 .await
4901 .unwrap();
4902 let range = response.await.unwrap().unwrap();
4903 let range = buffer.read_with(cx, |buffer, _| range.to_offset(buffer));
4904 assert_eq!(range, 6..9);
4905
4906 let response = project.update(cx, |project, cx| {
4907 project.perform_rename(buffer.clone(), 7, "THREE".to_string(), true, cx)
4908 });
4909 fake_server
4910 .handle_request::<lsp::request::Rename, _>(|params, _| {
4911 assert_eq!(
4912 params.text_document_position.text_document.uri.as_str(),
4913 "file:///dir/one.rs"
4914 );
4915 assert_eq!(
4916 params.text_document_position.position,
4917 lsp::Position::new(0, 7)
4918 );
4919 assert_eq!(params.new_name, "THREE");
4920 Some(lsp::WorkspaceEdit {
4921 changes: Some(
4922 [
4923 (
4924 lsp::Url::from_file_path("/dir/one.rs").unwrap(),
4925 vec![lsp::TextEdit::new(
4926 lsp::Range::new(
4927 lsp::Position::new(0, 6),
4928 lsp::Position::new(0, 9),
4929 ),
4930 "THREE".to_string(),
4931 )],
4932 ),
4933 (
4934 lsp::Url::from_file_path("/dir/two.rs").unwrap(),
4935 vec![
4936 lsp::TextEdit::new(
4937 lsp::Range::new(
4938 lsp::Position::new(0, 24),
4939 lsp::Position::new(0, 27),
4940 ),
4941 "THREE".to_string(),
4942 ),
4943 lsp::TextEdit::new(
4944 lsp::Range::new(
4945 lsp::Position::new(0, 35),
4946 lsp::Position::new(0, 38),
4947 ),
4948 "THREE".to_string(),
4949 ),
4950 ],
4951 ),
4952 ]
4953 .into_iter()
4954 .collect(),
4955 ),
4956 ..Default::default()
4957 })
4958 })
4959 .next()
4960 .await
4961 .unwrap();
4962 let mut transaction = response.await.unwrap().0;
4963 assert_eq!(transaction.len(), 2);
4964 assert_eq!(
4965 transaction
4966 .remove_entry(&buffer)
4967 .unwrap()
4968 .0
4969 .read_with(cx, |buffer, _| buffer.text()),
4970 "const THREE: usize = 1;"
4971 );
4972 assert_eq!(
4973 transaction
4974 .into_keys()
4975 .next()
4976 .unwrap()
4977 .read_with(cx, |buffer, _| buffer.text()),
4978 "const TWO: usize = one::THREE + one::THREE;"
4979 );
4980 }
4981
4982 #[gpui::test]
4983 async fn test_search(cx: &mut gpui::TestAppContext) {
4984 let fs = FakeFs::new(cx.background());
4985 fs.insert_tree(
4986 "/dir",
4987 json!({
4988 "one.rs": "const ONE: usize = 1;",
4989 "two.rs": "const TWO: usize = one::ONE + one::ONE;",
4990 "three.rs": "const THREE: usize = one::ONE + two::TWO;",
4991 "four.rs": "const FOUR: usize = one::ONE + three::THREE;",
4992 }),
4993 )
4994 .await;
4995 let project = Project::test(fs.clone(), cx);
4996 let (tree, _) = project
4997 .update(cx, |project, cx| {
4998 project.find_or_create_local_worktree("/dir", true, cx)
4999 })
5000 .await
5001 .unwrap();
5002 let worktree_id = tree.read_with(cx, |tree, _| tree.id());
5003 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
5004 .await;
5005
5006 assert_eq!(
5007 search(&project, SearchQuery::text("TWO", false, true), cx)
5008 .await
5009 .unwrap(),
5010 HashMap::from_iter([
5011 ("two.rs".to_string(), vec![6..9]),
5012 ("three.rs".to_string(), vec![37..40])
5013 ])
5014 );
5015
5016 let buffer_4 = project
5017 .update(cx, |project, cx| {
5018 project.open_buffer((worktree_id, "four.rs"), cx)
5019 })
5020 .await
5021 .unwrap();
5022 buffer_4.update(cx, |buffer, cx| {
5023 buffer.edit([20..28, 31..43], "two::TWO", cx);
5024 });
5025
5026 assert_eq!(
5027 search(&project, SearchQuery::text("TWO", false, true), cx)
5028 .await
5029 .unwrap(),
5030 HashMap::from_iter([
5031 ("two.rs".to_string(), vec![6..9]),
5032 ("three.rs".to_string(), vec![37..40]),
5033 ("four.rs".to_string(), vec![25..28, 36..39])
5034 ])
5035 );
5036
5037 async fn search(
5038 project: &ModelHandle<Project>,
5039 query: SearchQuery,
5040 cx: &mut gpui::TestAppContext,
5041 ) -> Result<HashMap<String, Vec<Range<usize>>>> {
5042 let results = project
5043 .update(cx, |project, cx| project.search(query, cx))
5044 .await?;
5045
5046 Ok(results
5047 .into_iter()
5048 .map(|(buffer, ranges)| {
5049 buffer.read_with(cx, |buffer, _| {
5050 let path = buffer.file().unwrap().path().to_string_lossy().to_string();
5051 let ranges = ranges
5052 .into_iter()
5053 .map(|range| range.to_offset(buffer))
5054 .collect::<Vec<_>>();
5055 (path, ranges)
5056 })
5057 })
5058 .collect())
5059 }
5060 }
5061}