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, BTreeMap, HashMap, HashSet};
11use futures::{future::Shared, Future, FutureExt, StreamExt, TryFutureExt};
12use fuzzy::{PathMatch, PathMatchCandidate, PathMatchCandidateSet};
13use gpui::{
14 AnyModelHandle, AppContext, AsyncAppContext, Entity, ModelContext, ModelHandle,
15 MutableAppContext, Task, UpgradeModelHandle, WeakModelHandle,
16};
17use language::{
18 point_to_lsp,
19 proto::{deserialize_anchor, deserialize_version, serialize_anchor, serialize_version},
20 range_from_lsp, range_to_lsp, Anchor, Bias, Buffer, CodeAction, CodeLabel, Completion,
21 Diagnostic, DiagnosticEntry, DiagnosticSet, Event as BufferEvent, File as _, Language,
22 LanguageRegistry, LanguageServerName, LocalFile, LspAdapter, OffsetRangeExt, Operation, Patch,
23 PointUtf16, TextBufferSnapshot, ToOffset, ToPointUtf16, Transaction,
24};
25use lsp::{DiagnosticSeverity, DiagnosticTag, DocumentHighlightKind, LanguageServer};
26use lsp_command::*;
27use parking_lot::Mutex;
28use postage::watch;
29use rand::prelude::*;
30use search::SearchQuery;
31use serde::Serialize;
32use settings::Settings;
33use sha2::{Digest, Sha256};
34use similar::{ChangeTag, TextDiff};
35use std::{
36 cell::RefCell,
37 cmp::{self, Ordering},
38 convert::TryInto,
39 hash::Hash,
40 mem,
41 ops::Range,
42 path::{Component, Path, PathBuf},
43 rc::Rc,
44 sync::{
45 atomic::{AtomicBool, AtomicUsize, Ordering::SeqCst},
46 Arc,
47 },
48 time::Instant,
49};
50use util::{post_inc, ResultExt, TryFutureExt as _};
51
52pub use fs::*;
53pub use worktree::*;
54
55pub trait Item: Entity {
56 fn entry_id(&self, cx: &AppContext) -> Option<ProjectEntryId>;
57}
58
59pub struct Project {
60 worktrees: Vec<WorktreeHandle>,
61 active_entry: Option<ProjectEntryId>,
62 languages: Arc<LanguageRegistry>,
63 language_servers:
64 HashMap<(WorktreeId, LanguageServerName), (Arc<dyn LspAdapter>, Arc<LanguageServer>)>,
65 started_language_servers:
66 HashMap<(WorktreeId, LanguageServerName), Task<Option<Arc<LanguageServer>>>>,
67 language_server_statuses: BTreeMap<usize, LanguageServerStatus>,
68 language_server_settings: Arc<Mutex<serde_json::Value>>,
69 last_workspace_edits_by_language_server: HashMap<usize, ProjectTransaction>,
70 next_language_server_id: usize,
71 client: Arc<client::Client>,
72 next_entry_id: Arc<AtomicUsize>,
73 user_store: ModelHandle<UserStore>,
74 fs: Arc<dyn Fs>,
75 client_state: ProjectClientState,
76 collaborators: HashMap<PeerId, Collaborator>,
77 subscriptions: Vec<client::Subscription>,
78 opened_buffer: (Rc<RefCell<watch::Sender<()>>>, watch::Receiver<()>),
79 shared_buffers: HashMap<PeerId, HashSet<u64>>,
80 loading_buffers: HashMap<
81 ProjectPath,
82 postage::watch::Receiver<Option<Result<ModelHandle<Buffer>, Arc<anyhow::Error>>>>,
83 >,
84 loading_local_worktrees:
85 HashMap<Arc<Path>, Shared<Task<Result<ModelHandle<Worktree>, Arc<anyhow::Error>>>>>,
86 opened_buffers: HashMap<u64, OpenBuffer>,
87 buffer_snapshots: HashMap<u64, Vec<(i32, TextBufferSnapshot)>>,
88 nonce: u128,
89}
90
91enum OpenBuffer {
92 Strong(ModelHandle<Buffer>),
93 Weak(WeakModelHandle<Buffer>),
94 Loading(Vec<Operation>),
95}
96
97enum WorktreeHandle {
98 Strong(ModelHandle<Worktree>),
99 Weak(WeakModelHandle<Worktree>),
100}
101
102enum ProjectClientState {
103 Local {
104 is_shared: bool,
105 remote_id_tx: watch::Sender<Option<u64>>,
106 remote_id_rx: watch::Receiver<Option<u64>>,
107 _maintain_remote_id_task: Task<Option<()>>,
108 },
109 Remote {
110 sharing_has_stopped: bool,
111 remote_id: u64,
112 replica_id: ReplicaId,
113 _detect_unshare_task: Task<Option<()>>,
114 },
115}
116
117#[derive(Clone, Debug)]
118pub struct Collaborator {
119 pub user: Arc<User>,
120 pub peer_id: PeerId,
121 pub replica_id: ReplicaId,
122}
123
124#[derive(Clone, Debug, PartialEq)]
125pub enum Event {
126 ActiveEntryChanged(Option<ProjectEntryId>),
127 WorktreeRemoved(WorktreeId),
128 DiskBasedDiagnosticsStarted,
129 DiskBasedDiagnosticsUpdated,
130 DiskBasedDiagnosticsFinished,
131 DiagnosticsUpdated(ProjectPath),
132 RemoteIdChanged(Option<u64>),
133 CollaboratorLeft(PeerId),
134}
135
136#[derive(Serialize)]
137pub struct LanguageServerStatus {
138 pub name: String,
139 pub pending_work: BTreeMap<String, LanguageServerProgress>,
140 pub pending_diagnostic_updates: isize,
141}
142
143#[derive(Clone, Debug, Serialize)]
144pub struct LanguageServerProgress {
145 pub message: Option<String>,
146 pub percentage: Option<usize>,
147 #[serde(skip_serializing)]
148 pub last_update_at: Instant,
149}
150
151#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
152pub struct ProjectPath {
153 pub worktree_id: WorktreeId,
154 pub path: Arc<Path>,
155}
156
157#[derive(Copy, Clone, Debug, Default, PartialEq, Serialize)]
158pub struct DiagnosticSummary {
159 pub error_count: usize,
160 pub warning_count: usize,
161}
162
163#[derive(Debug)]
164pub struct Location {
165 pub buffer: ModelHandle<Buffer>,
166 pub range: Range<language::Anchor>,
167}
168
169#[derive(Debug)]
170pub struct DocumentHighlight {
171 pub range: Range<language::Anchor>,
172 pub kind: DocumentHighlightKind,
173}
174
175#[derive(Clone, Debug)]
176pub struct Symbol {
177 pub source_worktree_id: WorktreeId,
178 pub worktree_id: WorktreeId,
179 pub language_server_name: LanguageServerName,
180 pub path: PathBuf,
181 pub label: CodeLabel,
182 pub name: String,
183 pub kind: lsp::SymbolKind,
184 pub range: Range<PointUtf16>,
185 pub signature: [u8; 32],
186}
187
188#[derive(Default)]
189pub struct ProjectTransaction(pub HashMap<ModelHandle<Buffer>, language::Transaction>);
190
191impl DiagnosticSummary {
192 fn new<'a, T: 'a>(diagnostics: impl IntoIterator<Item = &'a DiagnosticEntry<T>>) -> Self {
193 let mut this = Self {
194 error_count: 0,
195 warning_count: 0,
196 };
197
198 for entry in diagnostics {
199 if entry.diagnostic.is_primary {
200 match entry.diagnostic.severity {
201 DiagnosticSeverity::ERROR => this.error_count += 1,
202 DiagnosticSeverity::WARNING => this.warning_count += 1,
203 _ => {}
204 }
205 }
206 }
207
208 this
209 }
210
211 pub fn is_empty(&self) -> bool {
212 self.error_count == 0 && self.warning_count == 0
213 }
214
215 pub fn to_proto(&self, path: &Path) -> proto::DiagnosticSummary {
216 proto::DiagnosticSummary {
217 path: path.to_string_lossy().to_string(),
218 error_count: self.error_count as u32,
219 warning_count: self.warning_count as u32,
220 }
221 }
222}
223
224#[derive(Clone, Copy, Debug, Default, Hash, PartialEq, Eq, PartialOrd, Ord)]
225pub struct ProjectEntryId(usize);
226
227impl ProjectEntryId {
228 pub fn new(counter: &AtomicUsize) -> Self {
229 Self(counter.fetch_add(1, SeqCst))
230 }
231
232 pub fn from_proto(id: u64) -> Self {
233 Self(id as usize)
234 }
235
236 pub fn to_proto(&self) -> u64 {
237 self.0 as u64
238 }
239
240 pub fn to_usize(&self) -> usize {
241 self.0
242 }
243}
244
245impl Project {
246 pub fn init(client: &Arc<Client>) {
247 client.add_model_message_handler(Self::handle_add_collaborator);
248 client.add_model_message_handler(Self::handle_buffer_reloaded);
249 client.add_model_message_handler(Self::handle_buffer_saved);
250 client.add_model_message_handler(Self::handle_start_language_server);
251 client.add_model_message_handler(Self::handle_update_language_server);
252 client.add_model_message_handler(Self::handle_remove_collaborator);
253 client.add_model_message_handler(Self::handle_register_worktree);
254 client.add_model_message_handler(Self::handle_unregister_worktree);
255 client.add_model_message_handler(Self::handle_unshare_project);
256 client.add_model_message_handler(Self::handle_update_buffer_file);
257 client.add_model_message_handler(Self::handle_update_buffer);
258 client.add_model_message_handler(Self::handle_update_diagnostic_summary);
259 client.add_model_message_handler(Self::handle_update_worktree);
260 client.add_model_request_handler(Self::handle_apply_additional_edits_for_completion);
261 client.add_model_request_handler(Self::handle_apply_code_action);
262 client.add_model_request_handler(Self::handle_reload_buffers);
263 client.add_model_request_handler(Self::handle_format_buffers);
264 client.add_model_request_handler(Self::handle_get_code_actions);
265 client.add_model_request_handler(Self::handle_get_completions);
266 client.add_model_request_handler(Self::handle_lsp_command::<GetDefinition>);
267 client.add_model_request_handler(Self::handle_lsp_command::<GetDocumentHighlights>);
268 client.add_model_request_handler(Self::handle_lsp_command::<GetReferences>);
269 client.add_model_request_handler(Self::handle_lsp_command::<PrepareRename>);
270 client.add_model_request_handler(Self::handle_lsp_command::<PerformRename>);
271 client.add_model_request_handler(Self::handle_search_project);
272 client.add_model_request_handler(Self::handle_get_project_symbols);
273 client.add_model_request_handler(Self::handle_open_buffer_for_symbol);
274 client.add_model_request_handler(Self::handle_open_buffer_by_id);
275 client.add_model_request_handler(Self::handle_open_buffer_by_path);
276 client.add_model_request_handler(Self::handle_save_buffer);
277 }
278
279 pub fn local(
280 client: Arc<Client>,
281 user_store: ModelHandle<UserStore>,
282 languages: Arc<LanguageRegistry>,
283 fs: Arc<dyn Fs>,
284 cx: &mut MutableAppContext,
285 ) -> ModelHandle<Self> {
286 cx.add_model(|cx: &mut ModelContext<Self>| {
287 let (remote_id_tx, remote_id_rx) = watch::channel();
288 let _maintain_remote_id_task = cx.spawn_weak({
289 let rpc = client.clone();
290 move |this, mut cx| {
291 async move {
292 let mut status = rpc.status();
293 while let Some(status) = status.next().await {
294 if let Some(this) = this.upgrade(&cx) {
295 if status.is_connected() {
296 this.update(&mut cx, |this, cx| this.register(cx)).await?;
297 } else {
298 this.update(&mut cx, |this, cx| this.unregister(cx));
299 }
300 }
301 }
302 Ok(())
303 }
304 .log_err()
305 }
306 });
307
308 let (opened_buffer_tx, opened_buffer_rx) = watch::channel();
309 Self {
310 worktrees: Default::default(),
311 collaborators: Default::default(),
312 opened_buffers: Default::default(),
313 shared_buffers: Default::default(),
314 loading_buffers: Default::default(),
315 loading_local_worktrees: Default::default(),
316 buffer_snapshots: Default::default(),
317 client_state: ProjectClientState::Local {
318 is_shared: false,
319 remote_id_tx,
320 remote_id_rx,
321 _maintain_remote_id_task,
322 },
323 opened_buffer: (Rc::new(RefCell::new(opened_buffer_tx)), opened_buffer_rx),
324 subscriptions: Vec::new(),
325 active_entry: None,
326 languages,
327 client,
328 user_store,
329 fs,
330 next_entry_id: Default::default(),
331 language_servers: Default::default(),
332 started_language_servers: Default::default(),
333 language_server_statuses: Default::default(),
334 last_workspace_edits_by_language_server: Default::default(),
335 language_server_settings: Default::default(),
336 next_language_server_id: 0,
337 nonce: StdRng::from_entropy().gen(),
338 }
339 })
340 }
341
342 pub async fn remote(
343 remote_id: u64,
344 client: Arc<Client>,
345 user_store: ModelHandle<UserStore>,
346 languages: Arc<LanguageRegistry>,
347 fs: Arc<dyn Fs>,
348 cx: &mut AsyncAppContext,
349 ) -> Result<ModelHandle<Self>> {
350 client.authenticate_and_connect(true, &cx).await?;
351
352 let response = client
353 .request(proto::JoinProject {
354 project_id: remote_id,
355 })
356 .await?;
357
358 let replica_id = response.replica_id as ReplicaId;
359
360 let mut worktrees = Vec::new();
361 for worktree in response.worktrees {
362 let (worktree, load_task) = cx
363 .update(|cx| Worktree::remote(remote_id, replica_id, worktree, client.clone(), cx));
364 worktrees.push(worktree);
365 load_task.detach();
366 }
367
368 let (opened_buffer_tx, opened_buffer_rx) = watch::channel();
369 let this = cx.add_model(|cx: &mut ModelContext<Self>| {
370 let mut this = Self {
371 worktrees: Vec::new(),
372 loading_buffers: Default::default(),
373 opened_buffer: (Rc::new(RefCell::new(opened_buffer_tx)), opened_buffer_rx),
374 shared_buffers: Default::default(),
375 loading_local_worktrees: Default::default(),
376 active_entry: None,
377 collaborators: Default::default(),
378 languages,
379 user_store: user_store.clone(),
380 fs,
381 next_entry_id: Default::default(),
382 subscriptions: vec![client.add_model_for_remote_entity(remote_id, cx)],
383 client: client.clone(),
384 client_state: ProjectClientState::Remote {
385 sharing_has_stopped: false,
386 remote_id,
387 replica_id,
388 _detect_unshare_task: cx.spawn_weak(move |this, mut cx| {
389 async move {
390 let mut status = client.status();
391 let is_connected =
392 status.next().await.map_or(false, |s| s.is_connected());
393 // Even if we're initially connected, any future change of the status means we momentarily disconnected.
394 if !is_connected || status.next().await.is_some() {
395 if let Some(this) = this.upgrade(&cx) {
396 this.update(&mut cx, |this, cx| this.project_unshared(cx))
397 }
398 }
399 Ok(())
400 }
401 .log_err()
402 }),
403 },
404 language_servers: Default::default(),
405 started_language_servers: Default::default(),
406 language_server_settings: Default::default(),
407 language_server_statuses: response
408 .language_servers
409 .into_iter()
410 .map(|server| {
411 (
412 server.id as usize,
413 LanguageServerStatus {
414 name: server.name,
415 pending_work: Default::default(),
416 pending_diagnostic_updates: 0,
417 },
418 )
419 })
420 .collect(),
421 last_workspace_edits_by_language_server: Default::default(),
422 next_language_server_id: 0,
423 opened_buffers: Default::default(),
424 buffer_snapshots: Default::default(),
425 nonce: StdRng::from_entropy().gen(),
426 };
427 for worktree in worktrees {
428 this.add_worktree(&worktree, cx);
429 }
430 this
431 });
432
433 let user_ids = response
434 .collaborators
435 .iter()
436 .map(|peer| peer.user_id)
437 .collect();
438 user_store
439 .update(cx, |user_store, cx| user_store.load_users(user_ids, cx))
440 .await?;
441 let mut collaborators = HashMap::default();
442 for message in response.collaborators {
443 let collaborator = Collaborator::from_proto(message, &user_store, cx).await?;
444 collaborators.insert(collaborator.peer_id, collaborator);
445 }
446
447 this.update(cx, |this, _| {
448 this.collaborators = collaborators;
449 });
450
451 Ok(this)
452 }
453
454 #[cfg(any(test, feature = "test-support"))]
455 pub fn test(fs: Arc<dyn Fs>, cx: &mut gpui::TestAppContext) -> ModelHandle<Project> {
456 let languages = Arc::new(LanguageRegistry::test());
457 let http_client = client::test::FakeHttpClient::with_404_response();
458 let client = client::Client::new(http_client.clone());
459 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http_client, cx));
460 cx.update(|cx| Project::local(client, user_store, languages, fs, cx))
461 }
462
463 pub fn buffer_for_id(&self, remote_id: u64, cx: &AppContext) -> Option<ModelHandle<Buffer>> {
464 self.opened_buffers
465 .get(&remote_id)
466 .and_then(|buffer| buffer.upgrade(cx))
467 }
468
469 pub fn languages(&self) -> &Arc<LanguageRegistry> {
470 &self.languages
471 }
472
473 #[cfg(any(test, feature = "test-support"))]
474 pub fn check_invariants(&self, cx: &AppContext) {
475 if self.is_local() {
476 let mut worktree_root_paths = HashMap::default();
477 for worktree in self.worktrees(cx) {
478 let worktree = worktree.read(cx);
479 let abs_path = worktree.as_local().unwrap().abs_path().clone();
480 let prev_worktree_id = worktree_root_paths.insert(abs_path.clone(), worktree.id());
481 assert_eq!(
482 prev_worktree_id,
483 None,
484 "abs path {:?} for worktree {:?} is not unique ({:?} was already registered with the same path)",
485 abs_path,
486 worktree.id(),
487 prev_worktree_id
488 )
489 }
490 } else {
491 let replica_id = self.replica_id();
492 for buffer in self.opened_buffers.values() {
493 if let Some(buffer) = buffer.upgrade(cx) {
494 let buffer = buffer.read(cx);
495 assert_eq!(
496 buffer.deferred_ops_len(),
497 0,
498 "replica {}, buffer {} has deferred operations",
499 replica_id,
500 buffer.remote_id()
501 );
502 }
503 }
504 }
505 }
506
507 #[cfg(any(test, feature = "test-support"))]
508 pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &AppContext) -> bool {
509 let path = path.into();
510 if let Some(worktree) = self.worktree_for_id(path.worktree_id, cx) {
511 self.opened_buffers.iter().any(|(_, buffer)| {
512 if let Some(buffer) = buffer.upgrade(cx) {
513 if let Some(file) = File::from_dyn(buffer.read(cx).file()) {
514 if file.worktree == worktree && file.path() == &path.path {
515 return true;
516 }
517 }
518 }
519 false
520 })
521 } else {
522 false
523 }
524 }
525
526 pub fn fs(&self) -> &Arc<dyn Fs> {
527 &self.fs
528 }
529
530 fn unregister(&mut self, cx: &mut ModelContext<Self>) {
531 self.unshare(cx);
532 for worktree in &self.worktrees {
533 if let Some(worktree) = worktree.upgrade(cx) {
534 worktree.update(cx, |worktree, _| {
535 worktree.as_local_mut().unwrap().unregister();
536 });
537 }
538 }
539
540 if let ProjectClientState::Local { remote_id_tx, .. } = &mut self.client_state {
541 *remote_id_tx.borrow_mut() = None;
542 }
543
544 self.subscriptions.clear();
545 }
546
547 fn register(&mut self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
548 self.unregister(cx);
549
550 let response = self.client.request(proto::RegisterProject {});
551 cx.spawn(|this, mut cx| async move {
552 let remote_id = response.await?.project_id;
553
554 let mut registrations = Vec::new();
555 this.update(&mut cx, |this, cx| {
556 if let ProjectClientState::Local { remote_id_tx, .. } = &mut this.client_state {
557 *remote_id_tx.borrow_mut() = Some(remote_id);
558 }
559
560 cx.emit(Event::RemoteIdChanged(Some(remote_id)));
561
562 this.subscriptions
563 .push(this.client.add_model_for_remote_entity(remote_id, cx));
564
565 for worktree in &this.worktrees {
566 if let Some(worktree) = worktree.upgrade(cx) {
567 registrations.push(worktree.update(cx, |worktree, cx| {
568 let worktree = worktree.as_local_mut().unwrap();
569 worktree.register(remote_id, cx)
570 }));
571 }
572 }
573 });
574
575 futures::future::try_join_all(registrations).await?;
576 Ok(())
577 })
578 }
579
580 pub fn remote_id(&self) -> Option<u64> {
581 match &self.client_state {
582 ProjectClientState::Local { remote_id_rx, .. } => *remote_id_rx.borrow(),
583 ProjectClientState::Remote { remote_id, .. } => Some(*remote_id),
584 }
585 }
586
587 pub fn next_remote_id(&self) -> impl Future<Output = u64> {
588 let mut id = None;
589 let mut watch = None;
590 match &self.client_state {
591 ProjectClientState::Local { remote_id_rx, .. } => watch = Some(remote_id_rx.clone()),
592 ProjectClientState::Remote { remote_id, .. } => id = Some(*remote_id),
593 }
594
595 async move {
596 if let Some(id) = id {
597 return id;
598 }
599 let mut watch = watch.unwrap();
600 loop {
601 let id = *watch.borrow();
602 if let Some(id) = id {
603 return id;
604 }
605 watch.next().await;
606 }
607 }
608 }
609
610 pub fn replica_id(&self) -> ReplicaId {
611 match &self.client_state {
612 ProjectClientState::Local { .. } => 0,
613 ProjectClientState::Remote { replica_id, .. } => *replica_id,
614 }
615 }
616
617 pub fn collaborators(&self) -> &HashMap<PeerId, Collaborator> {
618 &self.collaborators
619 }
620
621 pub fn worktrees<'a>(
622 &'a self,
623 cx: &'a AppContext,
624 ) -> impl 'a + Iterator<Item = ModelHandle<Worktree>> {
625 self.worktrees
626 .iter()
627 .filter_map(move |worktree| worktree.upgrade(cx))
628 }
629
630 pub fn visible_worktrees<'a>(
631 &'a self,
632 cx: &'a AppContext,
633 ) -> impl 'a + Iterator<Item = ModelHandle<Worktree>> {
634 self.worktrees.iter().filter_map(|worktree| {
635 worktree.upgrade(cx).and_then(|worktree| {
636 if worktree.read(cx).is_visible() {
637 Some(worktree)
638 } else {
639 None
640 }
641 })
642 })
643 }
644
645 pub fn worktree_for_id(
646 &self,
647 id: WorktreeId,
648 cx: &AppContext,
649 ) -> Option<ModelHandle<Worktree>> {
650 self.worktrees(cx)
651 .find(|worktree| worktree.read(cx).id() == id)
652 }
653
654 pub fn worktree_for_entry(
655 &self,
656 entry_id: ProjectEntryId,
657 cx: &AppContext,
658 ) -> Option<ModelHandle<Worktree>> {
659 self.worktrees(cx)
660 .find(|worktree| worktree.read(cx).contains_entry(entry_id))
661 }
662
663 pub fn worktree_id_for_entry(
664 &self,
665 entry_id: ProjectEntryId,
666 cx: &AppContext,
667 ) -> Option<WorktreeId> {
668 self.worktree_for_entry(entry_id, cx)
669 .map(|worktree| worktree.read(cx).id())
670 }
671
672 pub fn share(&self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
673 let rpc = self.client.clone();
674 cx.spawn(|this, mut cx| async move {
675 let project_id = this.update(&mut cx, |this, cx| {
676 if let ProjectClientState::Local {
677 is_shared,
678 remote_id_rx,
679 ..
680 } = &mut this.client_state
681 {
682 *is_shared = true;
683
684 for open_buffer in this.opened_buffers.values_mut() {
685 match open_buffer {
686 OpenBuffer::Strong(_) => {}
687 OpenBuffer::Weak(buffer) => {
688 if let Some(buffer) = buffer.upgrade(cx) {
689 *open_buffer = OpenBuffer::Strong(buffer);
690 }
691 }
692 OpenBuffer::Loading(_) => unreachable!(),
693 }
694 }
695
696 for worktree_handle in this.worktrees.iter_mut() {
697 match worktree_handle {
698 WorktreeHandle::Strong(_) => {}
699 WorktreeHandle::Weak(worktree) => {
700 if let Some(worktree) = worktree.upgrade(cx) {
701 *worktree_handle = WorktreeHandle::Strong(worktree);
702 }
703 }
704 }
705 }
706
707 remote_id_rx
708 .borrow()
709 .ok_or_else(|| anyhow!("no project id"))
710 } else {
711 Err(anyhow!("can't share a remote project"))
712 }
713 })?;
714
715 rpc.request(proto::ShareProject { project_id }).await?;
716
717 let mut tasks = Vec::new();
718 this.update(&mut cx, |this, cx| {
719 for worktree in this.worktrees(cx).collect::<Vec<_>>() {
720 worktree.update(cx, |worktree, cx| {
721 let worktree = worktree.as_local_mut().unwrap();
722 tasks.push(worktree.share(project_id, cx));
723 });
724 }
725 });
726 for task in tasks {
727 task.await?;
728 }
729 this.update(&mut cx, |_, cx| cx.notify());
730 Ok(())
731 })
732 }
733
734 pub fn unshare(&mut self, cx: &mut ModelContext<Self>) {
735 let rpc = self.client.clone();
736
737 if let ProjectClientState::Local {
738 is_shared,
739 remote_id_rx,
740 ..
741 } = &mut self.client_state
742 {
743 if !*is_shared {
744 return;
745 }
746
747 *is_shared = false;
748 self.collaborators.clear();
749 self.shared_buffers.clear();
750 for worktree_handle in self.worktrees.iter_mut() {
751 if let WorktreeHandle::Strong(worktree) = worktree_handle {
752 let is_visible = worktree.update(cx, |worktree, _| {
753 worktree.as_local_mut().unwrap().unshare();
754 worktree.is_visible()
755 });
756 if !is_visible {
757 *worktree_handle = WorktreeHandle::Weak(worktree.downgrade());
758 }
759 }
760 }
761
762 for open_buffer in self.opened_buffers.values_mut() {
763 match open_buffer {
764 OpenBuffer::Strong(buffer) => {
765 *open_buffer = OpenBuffer::Weak(buffer.downgrade());
766 }
767 _ => {}
768 }
769 }
770
771 if let Some(project_id) = *remote_id_rx.borrow() {
772 rpc.send(proto::UnshareProject { project_id }).log_err();
773 }
774
775 cx.notify();
776 } else {
777 log::error!("attempted to unshare a remote project");
778 }
779 }
780
781 fn project_unshared(&mut self, cx: &mut ModelContext<Self>) {
782 if let ProjectClientState::Remote {
783 sharing_has_stopped,
784 ..
785 } = &mut self.client_state
786 {
787 *sharing_has_stopped = true;
788 self.collaborators.clear();
789 cx.notify();
790 }
791 }
792
793 pub fn is_read_only(&self) -> bool {
794 match &self.client_state {
795 ProjectClientState::Local { .. } => false,
796 ProjectClientState::Remote {
797 sharing_has_stopped,
798 ..
799 } => *sharing_has_stopped,
800 }
801 }
802
803 pub fn is_local(&self) -> bool {
804 match &self.client_state {
805 ProjectClientState::Local { .. } => true,
806 ProjectClientState::Remote { .. } => false,
807 }
808 }
809
810 pub fn is_remote(&self) -> bool {
811 !self.is_local()
812 }
813
814 pub fn create_buffer(
815 &mut self,
816 text: &str,
817 language: Option<Arc<Language>>,
818 cx: &mut ModelContext<Self>,
819 ) -> Result<ModelHandle<Buffer>> {
820 if self.is_remote() {
821 return Err(anyhow!("creating buffers as a guest is not supported yet"));
822 }
823
824 let buffer = cx.add_model(|cx| {
825 Buffer::new(self.replica_id(), text, cx)
826 .with_language(language.unwrap_or(language::PLAIN_TEXT.clone()), cx)
827 });
828 self.register_buffer(&buffer, cx)?;
829 Ok(buffer)
830 }
831
832 pub fn open_path(
833 &mut self,
834 path: impl Into<ProjectPath>,
835 cx: &mut ModelContext<Self>,
836 ) -> Task<Result<(ProjectEntryId, AnyModelHandle)>> {
837 let task = self.open_buffer(path, cx);
838 cx.spawn_weak(|_, cx| async move {
839 let buffer = task.await?;
840 let project_entry_id = buffer
841 .read_with(&cx, |buffer, cx| {
842 File::from_dyn(buffer.file()).and_then(|file| file.project_entry_id(cx))
843 })
844 .ok_or_else(|| anyhow!("no project entry"))?;
845 Ok((project_entry_id, buffer.into()))
846 })
847 }
848
849 pub fn open_buffer(
850 &mut self,
851 path: impl Into<ProjectPath>,
852 cx: &mut ModelContext<Self>,
853 ) -> Task<Result<ModelHandle<Buffer>>> {
854 let project_path = path.into();
855 let worktree = if let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) {
856 worktree
857 } else {
858 return Task::ready(Err(anyhow!("no such worktree")));
859 };
860
861 // If there is already a buffer for the given path, then return it.
862 let existing_buffer = self.get_open_buffer(&project_path, cx);
863 if let Some(existing_buffer) = existing_buffer {
864 return Task::ready(Ok(existing_buffer));
865 }
866
867 let mut loading_watch = match self.loading_buffers.entry(project_path.clone()) {
868 // If the given path is already being loaded, then wait for that existing
869 // task to complete and return the same buffer.
870 hash_map::Entry::Occupied(e) => e.get().clone(),
871
872 // Otherwise, record the fact that this path is now being loaded.
873 hash_map::Entry::Vacant(entry) => {
874 let (mut tx, rx) = postage::watch::channel();
875 entry.insert(rx.clone());
876
877 let load_buffer = if worktree.read(cx).is_local() {
878 self.open_local_buffer(&project_path.path, &worktree, cx)
879 } else {
880 self.open_remote_buffer(&project_path.path, &worktree, cx)
881 };
882
883 cx.spawn(move |this, mut cx| async move {
884 let load_result = load_buffer.await;
885 *tx.borrow_mut() = Some(this.update(&mut cx, |this, _| {
886 // Record the fact that the buffer is no longer loading.
887 this.loading_buffers.remove(&project_path);
888 let buffer = load_result.map_err(Arc::new)?;
889 Ok(buffer)
890 }));
891 })
892 .detach();
893 rx
894 }
895 };
896
897 cx.foreground().spawn(async move {
898 loop {
899 if let Some(result) = loading_watch.borrow().as_ref() {
900 match result {
901 Ok(buffer) => return Ok(buffer.clone()),
902 Err(error) => return Err(anyhow!("{}", error)),
903 }
904 }
905 loading_watch.next().await;
906 }
907 })
908 }
909
910 fn open_local_buffer(
911 &mut self,
912 path: &Arc<Path>,
913 worktree: &ModelHandle<Worktree>,
914 cx: &mut ModelContext<Self>,
915 ) -> Task<Result<ModelHandle<Buffer>>> {
916 let load_buffer = worktree.update(cx, |worktree, cx| {
917 let worktree = worktree.as_local_mut().unwrap();
918 worktree.load_buffer(path, cx)
919 });
920 cx.spawn(|this, mut cx| async move {
921 let buffer = load_buffer.await?;
922 this.update(&mut cx, |this, cx| this.register_buffer(&buffer, cx))?;
923 Ok(buffer)
924 })
925 }
926
927 fn open_remote_buffer(
928 &mut self,
929 path: &Arc<Path>,
930 worktree: &ModelHandle<Worktree>,
931 cx: &mut ModelContext<Self>,
932 ) -> Task<Result<ModelHandle<Buffer>>> {
933 let rpc = self.client.clone();
934 let project_id = self.remote_id().unwrap();
935 let remote_worktree_id = worktree.read(cx).id();
936 let path = path.clone();
937 let path_string = path.to_string_lossy().to_string();
938 cx.spawn(|this, mut cx| async move {
939 let response = rpc
940 .request(proto::OpenBufferByPath {
941 project_id,
942 worktree_id: remote_worktree_id.to_proto(),
943 path: path_string,
944 })
945 .await?;
946 let buffer = response.buffer.ok_or_else(|| anyhow!("missing buffer"))?;
947 this.update(&mut cx, |this, cx| this.deserialize_buffer(buffer, cx))
948 .await
949 })
950 }
951
952 fn open_local_buffer_via_lsp(
953 &mut self,
954 abs_path: lsp::Url,
955 lsp_adapter: Arc<dyn LspAdapter>,
956 lsp_server: Arc<LanguageServer>,
957 cx: &mut ModelContext<Self>,
958 ) -> Task<Result<ModelHandle<Buffer>>> {
959 cx.spawn(|this, mut cx| async move {
960 let abs_path = abs_path
961 .to_file_path()
962 .map_err(|_| anyhow!("can't convert URI to path"))?;
963 let (worktree, relative_path) = if let Some(result) =
964 this.read_with(&cx, |this, cx| this.find_local_worktree(&abs_path, cx))
965 {
966 result
967 } else {
968 let worktree = this
969 .update(&mut cx, |this, cx| {
970 this.create_local_worktree(&abs_path, false, cx)
971 })
972 .await?;
973 this.update(&mut cx, |this, cx| {
974 this.language_servers.insert(
975 (worktree.read(cx).id(), lsp_adapter.name()),
976 (lsp_adapter, lsp_server),
977 );
978 });
979 (worktree, PathBuf::new())
980 };
981
982 let project_path = ProjectPath {
983 worktree_id: worktree.read_with(&cx, |worktree, _| worktree.id()),
984 path: relative_path.into(),
985 };
986 this.update(&mut cx, |this, cx| this.open_buffer(project_path, cx))
987 .await
988 })
989 }
990
991 pub fn open_buffer_by_id(
992 &mut self,
993 id: u64,
994 cx: &mut ModelContext<Self>,
995 ) -> Task<Result<ModelHandle<Buffer>>> {
996 if let Some(buffer) = self.buffer_for_id(id, cx) {
997 Task::ready(Ok(buffer))
998 } else if self.is_local() {
999 Task::ready(Err(anyhow!("buffer {} does not exist", id)))
1000 } else if let Some(project_id) = self.remote_id() {
1001 let request = self
1002 .client
1003 .request(proto::OpenBufferById { project_id, id });
1004 cx.spawn(|this, mut cx| async move {
1005 let buffer = request
1006 .await?
1007 .buffer
1008 .ok_or_else(|| anyhow!("invalid buffer"))?;
1009 this.update(&mut cx, |this, cx| this.deserialize_buffer(buffer, cx))
1010 .await
1011 })
1012 } else {
1013 Task::ready(Err(anyhow!("cannot open buffer while disconnected")))
1014 }
1015 }
1016
1017 pub fn save_buffer_as(
1018 &mut self,
1019 buffer: ModelHandle<Buffer>,
1020 abs_path: PathBuf,
1021 cx: &mut ModelContext<Project>,
1022 ) -> Task<Result<()>> {
1023 let worktree_task = self.find_or_create_local_worktree(&abs_path, true, cx);
1024 let old_path =
1025 File::from_dyn(buffer.read(cx).file()).and_then(|f| Some(f.as_local()?.abs_path(cx)));
1026 cx.spawn(|this, mut cx| async move {
1027 if let Some(old_path) = old_path {
1028 this.update(&mut cx, |this, cx| {
1029 this.unregister_buffer_from_language_server(&buffer, old_path, cx);
1030 });
1031 }
1032 let (worktree, path) = worktree_task.await?;
1033 worktree
1034 .update(&mut cx, |worktree, cx| {
1035 worktree
1036 .as_local_mut()
1037 .unwrap()
1038 .save_buffer_as(buffer.clone(), path, cx)
1039 })
1040 .await?;
1041 this.update(&mut cx, |this, cx| {
1042 this.assign_language_to_buffer(&buffer, cx);
1043 this.register_buffer_with_language_server(&buffer, cx);
1044 });
1045 Ok(())
1046 })
1047 }
1048
1049 pub fn get_open_buffer(
1050 &mut self,
1051 path: &ProjectPath,
1052 cx: &mut ModelContext<Self>,
1053 ) -> Option<ModelHandle<Buffer>> {
1054 let worktree = self.worktree_for_id(path.worktree_id, cx)?;
1055 self.opened_buffers.values().find_map(|buffer| {
1056 let buffer = buffer.upgrade(cx)?;
1057 let file = File::from_dyn(buffer.read(cx).file())?;
1058 if file.worktree == worktree && file.path() == &path.path {
1059 Some(buffer)
1060 } else {
1061 None
1062 }
1063 })
1064 }
1065
1066 fn register_buffer(
1067 &mut self,
1068 buffer: &ModelHandle<Buffer>,
1069 cx: &mut ModelContext<Self>,
1070 ) -> Result<()> {
1071 let remote_id = buffer.read(cx).remote_id();
1072 let open_buffer = if self.is_remote() || self.is_shared() {
1073 OpenBuffer::Strong(buffer.clone())
1074 } else {
1075 OpenBuffer::Weak(buffer.downgrade())
1076 };
1077
1078 match self.opened_buffers.insert(remote_id, open_buffer) {
1079 None => {}
1080 Some(OpenBuffer::Loading(operations)) => {
1081 buffer.update(cx, |buffer, cx| buffer.apply_ops(operations, cx))?
1082 }
1083 Some(OpenBuffer::Weak(existing_handle)) => {
1084 if existing_handle.upgrade(cx).is_some() {
1085 Err(anyhow!(
1086 "already registered buffer with remote id {}",
1087 remote_id
1088 ))?
1089 }
1090 }
1091 Some(OpenBuffer::Strong(_)) => Err(anyhow!(
1092 "already registered buffer with remote id {}",
1093 remote_id
1094 ))?,
1095 }
1096 cx.subscribe(buffer, |this, buffer, event, cx| {
1097 this.on_buffer_event(buffer, event, cx);
1098 })
1099 .detach();
1100
1101 self.assign_language_to_buffer(buffer, cx);
1102 self.register_buffer_with_language_server(buffer, cx);
1103 cx.observe_release(buffer, |this, buffer, cx| {
1104 if let Some(file) = File::from_dyn(buffer.file()) {
1105 if file.is_local() {
1106 let uri = lsp::Url::from_file_path(file.abs_path(cx)).unwrap();
1107 if let Some((_, server)) = this.language_server_for_buffer(buffer, cx) {
1108 server
1109 .notify::<lsp::notification::DidCloseTextDocument>(
1110 lsp::DidCloseTextDocumentParams {
1111 text_document: lsp::TextDocumentIdentifier::new(uri.clone()),
1112 },
1113 )
1114 .log_err();
1115 }
1116 }
1117 }
1118 })
1119 .detach();
1120
1121 Ok(())
1122 }
1123
1124 fn register_buffer_with_language_server(
1125 &mut self,
1126 buffer_handle: &ModelHandle<Buffer>,
1127 cx: &mut ModelContext<Self>,
1128 ) {
1129 let buffer = buffer_handle.read(cx);
1130 let buffer_id = buffer.remote_id();
1131 if let Some(file) = File::from_dyn(buffer.file()) {
1132 if file.is_local() {
1133 let uri = lsp::Url::from_file_path(file.abs_path(cx)).unwrap();
1134 let initial_snapshot = buffer.text_snapshot();
1135
1136 let mut language_server = None;
1137 let mut language_id = None;
1138 if let Some(language) = buffer.language() {
1139 let worktree_id = file.worktree_id(cx);
1140 if let Some(adapter) = language.lsp_adapter() {
1141 language_id = adapter.id_for_language(language.name().as_ref());
1142 language_server = self
1143 .language_servers
1144 .get(&(worktree_id, adapter.name()))
1145 .cloned();
1146 }
1147 }
1148
1149 if let Some(local_worktree) = file.worktree.read(cx).as_local() {
1150 if let Some(diagnostics) = local_worktree.diagnostics_for_path(file.path()) {
1151 self.update_buffer_diagnostics(&buffer_handle, diagnostics, None, cx)
1152 .log_err();
1153 }
1154 }
1155
1156 if let Some((_, server)) = language_server {
1157 server
1158 .notify::<lsp::notification::DidOpenTextDocument>(
1159 lsp::DidOpenTextDocumentParams {
1160 text_document: lsp::TextDocumentItem::new(
1161 uri,
1162 language_id.unwrap_or_default(),
1163 0,
1164 initial_snapshot.text(),
1165 ),
1166 }
1167 .clone(),
1168 )
1169 .log_err();
1170 buffer_handle.update(cx, |buffer, cx| {
1171 buffer.set_completion_triggers(
1172 server
1173 .capabilities()
1174 .completion_provider
1175 .as_ref()
1176 .and_then(|provider| provider.trigger_characters.clone())
1177 .unwrap_or(Vec::new()),
1178 cx,
1179 )
1180 });
1181 self.buffer_snapshots
1182 .insert(buffer_id, vec![(0, initial_snapshot)]);
1183 }
1184 }
1185 }
1186 }
1187
1188 fn unregister_buffer_from_language_server(
1189 &mut self,
1190 buffer: &ModelHandle<Buffer>,
1191 old_path: PathBuf,
1192 cx: &mut ModelContext<Self>,
1193 ) {
1194 buffer.update(cx, |buffer, cx| {
1195 buffer.update_diagnostics(Default::default(), cx);
1196 self.buffer_snapshots.remove(&buffer.remote_id());
1197 if let Some((_, language_server)) = self.language_server_for_buffer(buffer, cx) {
1198 language_server
1199 .notify::<lsp::notification::DidCloseTextDocument>(
1200 lsp::DidCloseTextDocumentParams {
1201 text_document: lsp::TextDocumentIdentifier::new(
1202 lsp::Url::from_file_path(old_path).unwrap(),
1203 ),
1204 },
1205 )
1206 .log_err();
1207 }
1208 });
1209 }
1210
1211 fn on_buffer_event(
1212 &mut self,
1213 buffer: ModelHandle<Buffer>,
1214 event: &BufferEvent,
1215 cx: &mut ModelContext<Self>,
1216 ) -> Option<()> {
1217 match event {
1218 BufferEvent::Operation(operation) => {
1219 let project_id = self.remote_id()?;
1220 let request = self.client.request(proto::UpdateBuffer {
1221 project_id,
1222 buffer_id: buffer.read(cx).remote_id(),
1223 operations: vec![language::proto::serialize_operation(&operation)],
1224 });
1225 cx.background().spawn(request).detach_and_log_err(cx);
1226 }
1227 BufferEvent::Edited { .. } => {
1228 let (_, language_server) = self
1229 .language_server_for_buffer(buffer.read(cx), cx)?
1230 .clone();
1231 let buffer = buffer.read(cx);
1232 let file = File::from_dyn(buffer.file())?;
1233 let abs_path = file.as_local()?.abs_path(cx);
1234 let uri = lsp::Url::from_file_path(abs_path).unwrap();
1235 let buffer_snapshots = self.buffer_snapshots.get_mut(&buffer.remote_id())?;
1236 let (version, prev_snapshot) = buffer_snapshots.last()?;
1237 let next_snapshot = buffer.text_snapshot();
1238 let next_version = version + 1;
1239
1240 let content_changes = buffer
1241 .edits_since::<(PointUtf16, usize)>(prev_snapshot.version())
1242 .map(|edit| {
1243 let edit_start = edit.new.start.0;
1244 let edit_end = edit_start + (edit.old.end.0 - edit.old.start.0);
1245 let new_text = next_snapshot
1246 .text_for_range(edit.new.start.1..edit.new.end.1)
1247 .collect();
1248 lsp::TextDocumentContentChangeEvent {
1249 range: Some(lsp::Range::new(
1250 point_to_lsp(edit_start),
1251 point_to_lsp(edit_end),
1252 )),
1253 range_length: None,
1254 text: new_text,
1255 }
1256 })
1257 .collect();
1258
1259 buffer_snapshots.push((next_version, next_snapshot));
1260
1261 language_server
1262 .notify::<lsp::notification::DidChangeTextDocument>(
1263 lsp::DidChangeTextDocumentParams {
1264 text_document: lsp::VersionedTextDocumentIdentifier::new(
1265 uri,
1266 next_version,
1267 ),
1268 content_changes,
1269 },
1270 )
1271 .log_err();
1272 }
1273 BufferEvent::Saved => {
1274 let file = File::from_dyn(buffer.read(cx).file())?;
1275 let worktree_id = file.worktree_id(cx);
1276 let abs_path = file.as_local()?.abs_path(cx);
1277 let text_document = lsp::TextDocumentIdentifier {
1278 uri: lsp::Url::from_file_path(abs_path).unwrap(),
1279 };
1280
1281 for (_, server) in self.language_servers_for_worktree(worktree_id) {
1282 server
1283 .notify::<lsp::notification::DidSaveTextDocument>(
1284 lsp::DidSaveTextDocumentParams {
1285 text_document: text_document.clone(),
1286 text: None,
1287 },
1288 )
1289 .log_err();
1290 }
1291 }
1292 _ => {}
1293 }
1294
1295 None
1296 }
1297
1298 fn language_servers_for_worktree(
1299 &self,
1300 worktree_id: WorktreeId,
1301 ) -> impl Iterator<Item = &(Arc<dyn LspAdapter>, Arc<LanguageServer>)> {
1302 self.language_servers.iter().filter_map(
1303 move |((language_server_worktree_id, _), server)| {
1304 if *language_server_worktree_id == worktree_id {
1305 Some(server)
1306 } else {
1307 None
1308 }
1309 },
1310 )
1311 }
1312
1313 fn assign_language_to_buffer(
1314 &mut self,
1315 buffer: &ModelHandle<Buffer>,
1316 cx: &mut ModelContext<Self>,
1317 ) -> Option<()> {
1318 // If the buffer has a language, set it and start the language server if we haven't already.
1319 let full_path = buffer.read(cx).file()?.full_path(cx);
1320 let language = self.languages.select_language(&full_path)?;
1321 buffer.update(cx, |buffer, cx| {
1322 buffer.set_language(Some(language.clone()), cx);
1323 });
1324
1325 let file = File::from_dyn(buffer.read(cx).file())?;
1326 let worktree = file.worktree.read(cx).as_local()?;
1327 let worktree_id = worktree.id();
1328 let worktree_abs_path = worktree.abs_path().clone();
1329 self.start_language_server(worktree_id, worktree_abs_path, language, cx);
1330
1331 None
1332 }
1333
1334 fn start_language_server(
1335 &mut self,
1336 worktree_id: WorktreeId,
1337 worktree_path: Arc<Path>,
1338 language: Arc<Language>,
1339 cx: &mut ModelContext<Self>,
1340 ) {
1341 let adapter = if let Some(adapter) = language.lsp_adapter() {
1342 adapter
1343 } else {
1344 return;
1345 };
1346 let key = (worktree_id, adapter.name());
1347 self.started_language_servers
1348 .entry(key.clone())
1349 .or_insert_with(|| {
1350 let server_id = post_inc(&mut self.next_language_server_id);
1351 let language_server = self.languages.start_language_server(
1352 server_id,
1353 language.clone(),
1354 worktree_path,
1355 self.client.http_client(),
1356 cx,
1357 );
1358 cx.spawn_weak(|this, mut cx| async move {
1359 let language_server = language_server?.await.log_err()?;
1360 let language_server = language_server
1361 .initialize(adapter.initialization_options())
1362 .await
1363 .log_err()?;
1364 let this = this.upgrade(&cx)?;
1365 let disk_based_diagnostics_progress_token =
1366 adapter.disk_based_diagnostics_progress_token();
1367
1368 language_server
1369 .on_notification::<lsp::notification::PublishDiagnostics, _>({
1370 let this = this.downgrade();
1371 let adapter = adapter.clone();
1372 move |params, mut cx| {
1373 if let Some(this) = this.upgrade(&cx) {
1374 this.update(&mut cx, |this, cx| {
1375 this.on_lsp_diagnostics_published(
1376 server_id,
1377 params,
1378 &adapter,
1379 disk_based_diagnostics_progress_token,
1380 cx,
1381 );
1382 });
1383 }
1384 }
1385 })
1386 .detach();
1387
1388 language_server
1389 .on_request::<lsp::request::WorkspaceConfiguration, _, _>({
1390 let settings = this
1391 .read_with(&cx, |this, _| this.language_server_settings.clone());
1392 move |params, _| {
1393 let settings = settings.lock().clone();
1394 async move {
1395 Ok(params
1396 .items
1397 .into_iter()
1398 .map(|item| {
1399 if let Some(section) = &item.section {
1400 settings
1401 .get(section)
1402 .cloned()
1403 .unwrap_or(serde_json::Value::Null)
1404 } else {
1405 settings.clone()
1406 }
1407 })
1408 .collect())
1409 }
1410 }
1411 })
1412 .detach();
1413
1414 language_server
1415 .on_request::<lsp::request::ApplyWorkspaceEdit, _, _>({
1416 let this = this.downgrade();
1417 let adapter = adapter.clone();
1418 let language_server = language_server.clone();
1419 move |params, cx| {
1420 Self::on_lsp_workspace_edit(
1421 this,
1422 params,
1423 server_id,
1424 adapter.clone(),
1425 language_server.clone(),
1426 cx,
1427 )
1428 }
1429 })
1430 .detach();
1431
1432 language_server
1433 .on_notification::<lsp::notification::Progress, _>({
1434 let this = this.downgrade();
1435 move |params, mut cx| {
1436 if let Some(this) = this.upgrade(&cx) {
1437 this.update(&mut cx, |this, cx| {
1438 this.on_lsp_progress(
1439 params,
1440 server_id,
1441 disk_based_diagnostics_progress_token,
1442 cx,
1443 );
1444 });
1445 }
1446 }
1447 })
1448 .detach();
1449
1450 this.update(&mut cx, |this, cx| {
1451 this.language_servers
1452 .insert(key.clone(), (adapter.clone(), language_server.clone()));
1453 this.language_server_statuses.insert(
1454 server_id,
1455 LanguageServerStatus {
1456 name: language_server.name().to_string(),
1457 pending_work: Default::default(),
1458 pending_diagnostic_updates: 0,
1459 },
1460 );
1461 language_server
1462 .notify::<lsp::notification::DidChangeConfiguration>(
1463 lsp::DidChangeConfigurationParams {
1464 settings: this.language_server_settings.lock().clone(),
1465 },
1466 )
1467 .ok();
1468
1469 if let Some(project_id) = this.remote_id() {
1470 this.client
1471 .send(proto::StartLanguageServer {
1472 project_id,
1473 server: Some(proto::LanguageServer {
1474 id: server_id as u64,
1475 name: language_server.name().to_string(),
1476 }),
1477 })
1478 .log_err();
1479 }
1480
1481 // Tell the language server about every open buffer in the worktree that matches the language.
1482 for buffer in this.opened_buffers.values() {
1483 if let Some(buffer_handle) = buffer.upgrade(cx) {
1484 let buffer = buffer_handle.read(cx);
1485 let file = if let Some(file) = File::from_dyn(buffer.file()) {
1486 file
1487 } else {
1488 continue;
1489 };
1490 let language = if let Some(language) = buffer.language() {
1491 language
1492 } else {
1493 continue;
1494 };
1495 if file.worktree.read(cx).id() != key.0
1496 || language.lsp_adapter().map(|a| a.name())
1497 != Some(key.1.clone())
1498 {
1499 continue;
1500 }
1501
1502 let file = file.as_local()?;
1503 let versions = this
1504 .buffer_snapshots
1505 .entry(buffer.remote_id())
1506 .or_insert_with(|| vec![(0, buffer.text_snapshot())]);
1507 let (version, initial_snapshot) = versions.last().unwrap();
1508 let uri = lsp::Url::from_file_path(file.abs_path(cx)).unwrap();
1509 let language_id = adapter.id_for_language(language.name().as_ref());
1510 language_server
1511 .notify::<lsp::notification::DidOpenTextDocument>(
1512 lsp::DidOpenTextDocumentParams {
1513 text_document: lsp::TextDocumentItem::new(
1514 uri,
1515 language_id.unwrap_or_default(),
1516 *version,
1517 initial_snapshot.text(),
1518 ),
1519 },
1520 )
1521 .log_err()?;
1522 buffer_handle.update(cx, |buffer, cx| {
1523 buffer.set_completion_triggers(
1524 language_server
1525 .capabilities()
1526 .completion_provider
1527 .as_ref()
1528 .and_then(|provider| {
1529 provider.trigger_characters.clone()
1530 })
1531 .unwrap_or(Vec::new()),
1532 cx,
1533 )
1534 });
1535 }
1536 }
1537
1538 cx.notify();
1539 Some(())
1540 });
1541
1542 Some(language_server)
1543 })
1544 });
1545 }
1546
1547 pub fn restart_language_servers_for_buffers(
1548 &mut self,
1549 buffers: impl IntoIterator<Item = ModelHandle<Buffer>>,
1550 cx: &mut ModelContext<Self>,
1551 ) -> Option<()> {
1552 let language_server_lookup_info: HashSet<(WorktreeId, Arc<Path>, PathBuf)> = buffers
1553 .into_iter()
1554 .filter_map(|buffer| {
1555 let file = File::from_dyn(buffer.read(cx).file())?;
1556 let worktree = file.worktree.read(cx).as_local()?;
1557 let worktree_id = worktree.id();
1558 let worktree_abs_path = worktree.abs_path().clone();
1559 let full_path = file.full_path(cx);
1560 Some((worktree_id, worktree_abs_path, full_path))
1561 })
1562 .collect();
1563 for (worktree_id, worktree_abs_path, full_path) in language_server_lookup_info {
1564 let language = self.languages.select_language(&full_path)?;
1565 self.restart_language_server(worktree_id, worktree_abs_path, language, cx);
1566 }
1567
1568 None
1569 }
1570
1571 fn restart_language_server(
1572 &mut self,
1573 worktree_id: WorktreeId,
1574 worktree_path: Arc<Path>,
1575 language: Arc<Language>,
1576 cx: &mut ModelContext<Self>,
1577 ) {
1578 let adapter = if let Some(adapter) = language.lsp_adapter() {
1579 adapter
1580 } else {
1581 return;
1582 };
1583 let key = (worktree_id, adapter.name());
1584 let server_to_shutdown = self.language_servers.remove(&key);
1585 self.started_language_servers.remove(&key);
1586 server_to_shutdown
1587 .as_ref()
1588 .map(|(_, server)| self.language_server_statuses.remove(&server.server_id()));
1589 cx.spawn_weak(|this, mut cx| async move {
1590 if let Some(this) = this.upgrade(&cx) {
1591 if let Some((_, server_to_shutdown)) = server_to_shutdown {
1592 if let Some(shutdown_task) = server_to_shutdown.shutdown() {
1593 shutdown_task.await;
1594 }
1595 }
1596
1597 this.update(&mut cx, |this, cx| {
1598 this.start_language_server(worktree_id, worktree_path, language, cx);
1599 });
1600 }
1601 })
1602 .detach();
1603 }
1604
1605 fn on_lsp_diagnostics_published(
1606 &mut self,
1607 server_id: usize,
1608 mut params: lsp::PublishDiagnosticsParams,
1609 adapter: &Arc<dyn LspAdapter>,
1610 disk_based_diagnostics_progress_token: Option<&str>,
1611 cx: &mut ModelContext<Self>,
1612 ) {
1613 adapter.process_diagnostics(&mut params);
1614 if disk_based_diagnostics_progress_token.is_none() {
1615 self.disk_based_diagnostics_started(cx);
1616 self.broadcast_language_server_update(
1617 server_id,
1618 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdating(
1619 proto::LspDiskBasedDiagnosticsUpdating {},
1620 ),
1621 );
1622 }
1623 self.update_diagnostics(params, adapter.disk_based_diagnostic_sources(), cx)
1624 .log_err();
1625 if disk_based_diagnostics_progress_token.is_none() {
1626 self.disk_based_diagnostics_finished(cx);
1627 self.broadcast_language_server_update(
1628 server_id,
1629 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(
1630 proto::LspDiskBasedDiagnosticsUpdated {},
1631 ),
1632 );
1633 }
1634 }
1635
1636 fn on_lsp_progress(
1637 &mut self,
1638 progress: lsp::ProgressParams,
1639 server_id: usize,
1640 disk_based_diagnostics_progress_token: Option<&str>,
1641 cx: &mut ModelContext<Self>,
1642 ) {
1643 let token = match progress.token {
1644 lsp::NumberOrString::String(token) => token,
1645 lsp::NumberOrString::Number(token) => {
1646 log::info!("skipping numeric progress token {}", token);
1647 return;
1648 }
1649 };
1650 let progress = match progress.value {
1651 lsp::ProgressParamsValue::WorkDone(value) => value,
1652 };
1653 let language_server_status =
1654 if let Some(status) = self.language_server_statuses.get_mut(&server_id) {
1655 status
1656 } else {
1657 return;
1658 };
1659 match progress {
1660 lsp::WorkDoneProgress::Begin(_) => {
1661 if Some(token.as_str()) == disk_based_diagnostics_progress_token {
1662 language_server_status.pending_diagnostic_updates += 1;
1663 if language_server_status.pending_diagnostic_updates == 1 {
1664 self.disk_based_diagnostics_started(cx);
1665 self.broadcast_language_server_update(
1666 server_id,
1667 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdating(
1668 proto::LspDiskBasedDiagnosticsUpdating {},
1669 ),
1670 );
1671 }
1672 } else {
1673 self.on_lsp_work_start(server_id, token.clone(), cx);
1674 self.broadcast_language_server_update(
1675 server_id,
1676 proto::update_language_server::Variant::WorkStart(proto::LspWorkStart {
1677 token,
1678 }),
1679 );
1680 }
1681 }
1682 lsp::WorkDoneProgress::Report(report) => {
1683 if Some(token.as_str()) != disk_based_diagnostics_progress_token {
1684 self.on_lsp_work_progress(
1685 server_id,
1686 token.clone(),
1687 LanguageServerProgress {
1688 message: report.message.clone(),
1689 percentage: report.percentage.map(|p| p as usize),
1690 last_update_at: Instant::now(),
1691 },
1692 cx,
1693 );
1694 self.broadcast_language_server_update(
1695 server_id,
1696 proto::update_language_server::Variant::WorkProgress(
1697 proto::LspWorkProgress {
1698 token,
1699 message: report.message,
1700 percentage: report.percentage.map(|p| p as u32),
1701 },
1702 ),
1703 );
1704 }
1705 }
1706 lsp::WorkDoneProgress::End(_) => {
1707 if Some(token.as_str()) == disk_based_diagnostics_progress_token {
1708 language_server_status.pending_diagnostic_updates -= 1;
1709 if language_server_status.pending_diagnostic_updates == 0 {
1710 self.disk_based_diagnostics_finished(cx);
1711 self.broadcast_language_server_update(
1712 server_id,
1713 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(
1714 proto::LspDiskBasedDiagnosticsUpdated {},
1715 ),
1716 );
1717 }
1718 } else {
1719 self.on_lsp_work_end(server_id, token.clone(), cx);
1720 self.broadcast_language_server_update(
1721 server_id,
1722 proto::update_language_server::Variant::WorkEnd(proto::LspWorkEnd {
1723 token,
1724 }),
1725 );
1726 }
1727 }
1728 }
1729 }
1730
1731 fn on_lsp_work_start(
1732 &mut self,
1733 language_server_id: usize,
1734 token: String,
1735 cx: &mut ModelContext<Self>,
1736 ) {
1737 if let Some(status) = self.language_server_statuses.get_mut(&language_server_id) {
1738 status.pending_work.insert(
1739 token,
1740 LanguageServerProgress {
1741 message: None,
1742 percentage: None,
1743 last_update_at: Instant::now(),
1744 },
1745 );
1746 cx.notify();
1747 }
1748 }
1749
1750 fn on_lsp_work_progress(
1751 &mut self,
1752 language_server_id: usize,
1753 token: String,
1754 progress: LanguageServerProgress,
1755 cx: &mut ModelContext<Self>,
1756 ) {
1757 if let Some(status) = self.language_server_statuses.get_mut(&language_server_id) {
1758 status.pending_work.insert(token, progress);
1759 cx.notify();
1760 }
1761 }
1762
1763 fn on_lsp_work_end(
1764 &mut self,
1765 language_server_id: usize,
1766 token: String,
1767 cx: &mut ModelContext<Self>,
1768 ) {
1769 if let Some(status) = self.language_server_statuses.get_mut(&language_server_id) {
1770 status.pending_work.remove(&token);
1771 cx.notify();
1772 }
1773 }
1774
1775 async fn on_lsp_workspace_edit(
1776 this: WeakModelHandle<Self>,
1777 params: lsp::ApplyWorkspaceEditParams,
1778 server_id: usize,
1779 adapter: Arc<dyn LspAdapter>,
1780 language_server: Arc<LanguageServer>,
1781 mut cx: AsyncAppContext,
1782 ) -> Result<lsp::ApplyWorkspaceEditResponse> {
1783 let this = this
1784 .upgrade(&cx)
1785 .ok_or_else(|| anyhow!("project project closed"))?;
1786 let transaction = Self::deserialize_workspace_edit(
1787 this.clone(),
1788 params.edit,
1789 true,
1790 adapter.clone(),
1791 language_server.clone(),
1792 &mut cx,
1793 )
1794 .await
1795 .log_err();
1796 this.update(&mut cx, |this, _| {
1797 if let Some(transaction) = transaction {
1798 this.last_workspace_edits_by_language_server
1799 .insert(server_id, transaction);
1800 }
1801 });
1802 Ok(lsp::ApplyWorkspaceEditResponse {
1803 applied: true,
1804 failed_change: None,
1805 failure_reason: None,
1806 })
1807 }
1808
1809 fn broadcast_language_server_update(
1810 &self,
1811 language_server_id: usize,
1812 event: proto::update_language_server::Variant,
1813 ) {
1814 if let Some(project_id) = self.remote_id() {
1815 self.client
1816 .send(proto::UpdateLanguageServer {
1817 project_id,
1818 language_server_id: language_server_id as u64,
1819 variant: Some(event),
1820 })
1821 .log_err();
1822 }
1823 }
1824
1825 pub fn set_language_server_settings(&mut self, settings: serde_json::Value) {
1826 for (_, server) in self.language_servers.values() {
1827 server
1828 .notify::<lsp::notification::DidChangeConfiguration>(
1829 lsp::DidChangeConfigurationParams {
1830 settings: settings.clone(),
1831 },
1832 )
1833 .ok();
1834 }
1835 *self.language_server_settings.lock() = settings;
1836 }
1837
1838 pub fn language_server_statuses(
1839 &self,
1840 ) -> impl DoubleEndedIterator<Item = &LanguageServerStatus> {
1841 self.language_server_statuses.values()
1842 }
1843
1844 pub fn update_diagnostics(
1845 &mut self,
1846 params: lsp::PublishDiagnosticsParams,
1847 disk_based_sources: &[&str],
1848 cx: &mut ModelContext<Self>,
1849 ) -> Result<()> {
1850 let abs_path = params
1851 .uri
1852 .to_file_path()
1853 .map_err(|_| anyhow!("URI is not a file"))?;
1854 let mut next_group_id = 0;
1855 let mut diagnostics = Vec::default();
1856 let mut primary_diagnostic_group_ids = HashMap::default();
1857 let mut sources_by_group_id = HashMap::default();
1858 let mut supporting_diagnostics = HashMap::default();
1859 for diagnostic in ¶ms.diagnostics {
1860 let source = diagnostic.source.as_ref();
1861 let code = diagnostic.code.as_ref().map(|code| match code {
1862 lsp::NumberOrString::Number(code) => code.to_string(),
1863 lsp::NumberOrString::String(code) => code.clone(),
1864 });
1865 let range = range_from_lsp(diagnostic.range);
1866 let is_supporting = diagnostic
1867 .related_information
1868 .as_ref()
1869 .map_or(false, |infos| {
1870 infos.iter().any(|info| {
1871 primary_diagnostic_group_ids.contains_key(&(
1872 source,
1873 code.clone(),
1874 range_from_lsp(info.location.range),
1875 ))
1876 })
1877 });
1878
1879 let is_unnecessary = diagnostic.tags.as_ref().map_or(false, |tags| {
1880 tags.iter().any(|tag| *tag == DiagnosticTag::UNNECESSARY)
1881 });
1882
1883 if is_supporting {
1884 supporting_diagnostics.insert(
1885 (source, code.clone(), range),
1886 (diagnostic.severity, is_unnecessary),
1887 );
1888 } else {
1889 let group_id = post_inc(&mut next_group_id);
1890 let is_disk_based = source.map_or(false, |source| {
1891 disk_based_sources.contains(&source.as_str())
1892 });
1893
1894 sources_by_group_id.insert(group_id, source);
1895 primary_diagnostic_group_ids
1896 .insert((source, code.clone(), range.clone()), group_id);
1897
1898 diagnostics.push(DiagnosticEntry {
1899 range,
1900 diagnostic: Diagnostic {
1901 code: code.clone(),
1902 severity: diagnostic.severity.unwrap_or(DiagnosticSeverity::ERROR),
1903 message: diagnostic.message.clone(),
1904 group_id,
1905 is_primary: true,
1906 is_valid: true,
1907 is_disk_based,
1908 is_unnecessary,
1909 },
1910 });
1911 if let Some(infos) = &diagnostic.related_information {
1912 for info in infos {
1913 if info.location.uri == params.uri && !info.message.is_empty() {
1914 let range = range_from_lsp(info.location.range);
1915 diagnostics.push(DiagnosticEntry {
1916 range,
1917 diagnostic: Diagnostic {
1918 code: code.clone(),
1919 severity: DiagnosticSeverity::INFORMATION,
1920 message: info.message.clone(),
1921 group_id,
1922 is_primary: false,
1923 is_valid: true,
1924 is_disk_based,
1925 is_unnecessary: false,
1926 },
1927 });
1928 }
1929 }
1930 }
1931 }
1932 }
1933
1934 for entry in &mut diagnostics {
1935 let diagnostic = &mut entry.diagnostic;
1936 if !diagnostic.is_primary {
1937 let source = *sources_by_group_id.get(&diagnostic.group_id).unwrap();
1938 if let Some(&(severity, is_unnecessary)) = supporting_diagnostics.get(&(
1939 source,
1940 diagnostic.code.clone(),
1941 entry.range.clone(),
1942 )) {
1943 if let Some(severity) = severity {
1944 diagnostic.severity = severity;
1945 }
1946 diagnostic.is_unnecessary = is_unnecessary;
1947 }
1948 }
1949 }
1950
1951 self.update_diagnostic_entries(abs_path, params.version, diagnostics, cx)?;
1952 Ok(())
1953 }
1954
1955 pub fn update_diagnostic_entries(
1956 &mut self,
1957 abs_path: PathBuf,
1958 version: Option<i32>,
1959 diagnostics: Vec<DiagnosticEntry<PointUtf16>>,
1960 cx: &mut ModelContext<Project>,
1961 ) -> Result<(), anyhow::Error> {
1962 let (worktree, relative_path) = self
1963 .find_local_worktree(&abs_path, cx)
1964 .ok_or_else(|| anyhow!("no worktree found for diagnostics"))?;
1965 if !worktree.read(cx).is_visible() {
1966 return Ok(());
1967 }
1968
1969 let project_path = ProjectPath {
1970 worktree_id: worktree.read(cx).id(),
1971 path: relative_path.into(),
1972 };
1973 if let Some(buffer) = self.get_open_buffer(&project_path, cx) {
1974 self.update_buffer_diagnostics(&buffer, diagnostics.clone(), version, cx)?;
1975 }
1976
1977 let updated = worktree.update(cx, |worktree, cx| {
1978 worktree
1979 .as_local_mut()
1980 .ok_or_else(|| anyhow!("not a local worktree"))?
1981 .update_diagnostics(project_path.path.clone(), diagnostics, cx)
1982 })?;
1983 if updated {
1984 cx.emit(Event::DiagnosticsUpdated(project_path));
1985 }
1986 Ok(())
1987 }
1988
1989 fn update_buffer_diagnostics(
1990 &mut self,
1991 buffer: &ModelHandle<Buffer>,
1992 mut diagnostics: Vec<DiagnosticEntry<PointUtf16>>,
1993 version: Option<i32>,
1994 cx: &mut ModelContext<Self>,
1995 ) -> Result<()> {
1996 fn compare_diagnostics(a: &Diagnostic, b: &Diagnostic) -> Ordering {
1997 Ordering::Equal
1998 .then_with(|| b.is_primary.cmp(&a.is_primary))
1999 .then_with(|| a.is_disk_based.cmp(&b.is_disk_based))
2000 .then_with(|| a.severity.cmp(&b.severity))
2001 .then_with(|| a.message.cmp(&b.message))
2002 }
2003
2004 let snapshot = self.buffer_snapshot_for_lsp_version(buffer, version, cx)?;
2005
2006 diagnostics.sort_unstable_by(|a, b| {
2007 Ordering::Equal
2008 .then_with(|| a.range.start.cmp(&b.range.start))
2009 .then_with(|| b.range.end.cmp(&a.range.end))
2010 .then_with(|| compare_diagnostics(&a.diagnostic, &b.diagnostic))
2011 });
2012
2013 let mut sanitized_diagnostics = Vec::new();
2014 let edits_since_save = Patch::new(
2015 snapshot
2016 .edits_since::<PointUtf16>(buffer.read(cx).saved_version())
2017 .collect(),
2018 );
2019 for entry in diagnostics {
2020 let start;
2021 let end;
2022 if entry.diagnostic.is_disk_based {
2023 // Some diagnostics are based on files on disk instead of buffers'
2024 // current contents. Adjust these diagnostics' ranges to reflect
2025 // any unsaved edits.
2026 start = edits_since_save.old_to_new(entry.range.start);
2027 end = edits_since_save.old_to_new(entry.range.end);
2028 } else {
2029 start = entry.range.start;
2030 end = entry.range.end;
2031 }
2032
2033 let mut range = snapshot.clip_point_utf16(start, Bias::Left)
2034 ..snapshot.clip_point_utf16(end, Bias::Right);
2035
2036 // Expand empty ranges by one character
2037 if range.start == range.end {
2038 range.end.column += 1;
2039 range.end = snapshot.clip_point_utf16(range.end, Bias::Right);
2040 if range.start == range.end && range.end.column > 0 {
2041 range.start.column -= 1;
2042 range.start = snapshot.clip_point_utf16(range.start, Bias::Left);
2043 }
2044 }
2045
2046 sanitized_diagnostics.push(DiagnosticEntry {
2047 range,
2048 diagnostic: entry.diagnostic,
2049 });
2050 }
2051 drop(edits_since_save);
2052
2053 let set = DiagnosticSet::new(sanitized_diagnostics, &snapshot);
2054 buffer.update(cx, |buffer, cx| buffer.update_diagnostics(set, cx));
2055 Ok(())
2056 }
2057
2058 pub fn reload_buffers(
2059 &self,
2060 buffers: HashSet<ModelHandle<Buffer>>,
2061 push_to_history: bool,
2062 cx: &mut ModelContext<Self>,
2063 ) -> Task<Result<ProjectTransaction>> {
2064 let mut local_buffers = Vec::new();
2065 let mut remote_buffers = None;
2066 for buffer_handle in buffers {
2067 let buffer = buffer_handle.read(cx);
2068 if buffer.is_dirty() {
2069 if let Some(file) = File::from_dyn(buffer.file()) {
2070 if file.is_local() {
2071 local_buffers.push(buffer_handle);
2072 } else {
2073 remote_buffers.get_or_insert(Vec::new()).push(buffer_handle);
2074 }
2075 }
2076 }
2077 }
2078
2079 let remote_buffers = self.remote_id().zip(remote_buffers);
2080 let client = self.client.clone();
2081
2082 cx.spawn(|this, mut cx| async move {
2083 let mut project_transaction = ProjectTransaction::default();
2084
2085 if let Some((project_id, remote_buffers)) = remote_buffers {
2086 let response = client
2087 .request(proto::ReloadBuffers {
2088 project_id,
2089 buffer_ids: remote_buffers
2090 .iter()
2091 .map(|buffer| buffer.read_with(&cx, |buffer, _| buffer.remote_id()))
2092 .collect(),
2093 })
2094 .await?
2095 .transaction
2096 .ok_or_else(|| anyhow!("missing transaction"))?;
2097 project_transaction = this
2098 .update(&mut cx, |this, cx| {
2099 this.deserialize_project_transaction(response, push_to_history, cx)
2100 })
2101 .await?;
2102 }
2103
2104 for buffer in local_buffers {
2105 let transaction = buffer
2106 .update(&mut cx, |buffer, cx| buffer.reload(cx))
2107 .await?;
2108 buffer.update(&mut cx, |buffer, cx| {
2109 if let Some(transaction) = transaction {
2110 if !push_to_history {
2111 buffer.forget_transaction(transaction.id);
2112 }
2113 project_transaction.0.insert(cx.handle(), transaction);
2114 }
2115 });
2116 }
2117
2118 Ok(project_transaction)
2119 })
2120 }
2121
2122 pub fn format(
2123 &self,
2124 buffers: HashSet<ModelHandle<Buffer>>,
2125 push_to_history: bool,
2126 cx: &mut ModelContext<Project>,
2127 ) -> Task<Result<ProjectTransaction>> {
2128 let mut local_buffers = Vec::new();
2129 let mut remote_buffers = None;
2130 for buffer_handle in buffers {
2131 let buffer = buffer_handle.read(cx);
2132 if let Some(file) = File::from_dyn(buffer.file()) {
2133 if let Some(buffer_abs_path) = file.as_local().map(|f| f.abs_path(cx)) {
2134 if let Some((_, server)) = self.language_server_for_buffer(buffer, cx) {
2135 local_buffers.push((buffer_handle, buffer_abs_path, server.clone()));
2136 }
2137 } else {
2138 remote_buffers.get_or_insert(Vec::new()).push(buffer_handle);
2139 }
2140 } else {
2141 return Task::ready(Ok(Default::default()));
2142 }
2143 }
2144
2145 let remote_buffers = self.remote_id().zip(remote_buffers);
2146 let client = self.client.clone();
2147
2148 cx.spawn(|this, mut cx| async move {
2149 let mut project_transaction = ProjectTransaction::default();
2150
2151 if let Some((project_id, remote_buffers)) = remote_buffers {
2152 let response = client
2153 .request(proto::FormatBuffers {
2154 project_id,
2155 buffer_ids: remote_buffers
2156 .iter()
2157 .map(|buffer| buffer.read_with(&cx, |buffer, _| buffer.remote_id()))
2158 .collect(),
2159 })
2160 .await?
2161 .transaction
2162 .ok_or_else(|| anyhow!("missing transaction"))?;
2163 project_transaction = this
2164 .update(&mut cx, |this, cx| {
2165 this.deserialize_project_transaction(response, push_to_history, cx)
2166 })
2167 .await?;
2168 }
2169
2170 for (buffer, buffer_abs_path, language_server) in local_buffers {
2171 let text_document = lsp::TextDocumentIdentifier::new(
2172 lsp::Url::from_file_path(&buffer_abs_path).unwrap(),
2173 );
2174 let capabilities = &language_server.capabilities();
2175 let tab_size = cx.update(|cx| {
2176 let language_name = buffer.read(cx).language().map(|language| language.name());
2177 cx.global::<Settings>().tab_size(language_name.as_deref())
2178 });
2179 let lsp_edits = if capabilities
2180 .document_formatting_provider
2181 .as_ref()
2182 .map_or(false, |provider| *provider != lsp::OneOf::Left(false))
2183 {
2184 language_server
2185 .request::<lsp::request::Formatting>(lsp::DocumentFormattingParams {
2186 text_document,
2187 options: lsp::FormattingOptions {
2188 tab_size,
2189 insert_spaces: true,
2190 insert_final_newline: Some(true),
2191 ..Default::default()
2192 },
2193 work_done_progress_params: Default::default(),
2194 })
2195 .await?
2196 } else if capabilities
2197 .document_range_formatting_provider
2198 .as_ref()
2199 .map_or(false, |provider| *provider != lsp::OneOf::Left(false))
2200 {
2201 let buffer_start = lsp::Position::new(0, 0);
2202 let buffer_end =
2203 buffer.read_with(&cx, |buffer, _| point_to_lsp(buffer.max_point_utf16()));
2204 language_server
2205 .request::<lsp::request::RangeFormatting>(
2206 lsp::DocumentRangeFormattingParams {
2207 text_document,
2208 range: lsp::Range::new(buffer_start, buffer_end),
2209 options: lsp::FormattingOptions {
2210 tab_size: 4,
2211 insert_spaces: true,
2212 insert_final_newline: Some(true),
2213 ..Default::default()
2214 },
2215 work_done_progress_params: Default::default(),
2216 },
2217 )
2218 .await?
2219 } else {
2220 continue;
2221 };
2222
2223 if let Some(lsp_edits) = lsp_edits {
2224 let edits = this
2225 .update(&mut cx, |this, cx| {
2226 this.edits_from_lsp(&buffer, lsp_edits, None, cx)
2227 })
2228 .await?;
2229 buffer.update(&mut cx, |buffer, cx| {
2230 buffer.finalize_last_transaction();
2231 buffer.start_transaction();
2232 for (range, text) in edits {
2233 buffer.edit([range], text, cx);
2234 }
2235 if buffer.end_transaction(cx).is_some() {
2236 let transaction = buffer.finalize_last_transaction().unwrap().clone();
2237 if !push_to_history {
2238 buffer.forget_transaction(transaction.id);
2239 }
2240 project_transaction.0.insert(cx.handle(), transaction);
2241 }
2242 });
2243 }
2244 }
2245
2246 Ok(project_transaction)
2247 })
2248 }
2249
2250 pub fn definition<T: ToPointUtf16>(
2251 &self,
2252 buffer: &ModelHandle<Buffer>,
2253 position: T,
2254 cx: &mut ModelContext<Self>,
2255 ) -> Task<Result<Vec<Location>>> {
2256 let position = position.to_point_utf16(buffer.read(cx));
2257 self.request_lsp(buffer.clone(), GetDefinition { position }, cx)
2258 }
2259
2260 pub fn references<T: ToPointUtf16>(
2261 &self,
2262 buffer: &ModelHandle<Buffer>,
2263 position: T,
2264 cx: &mut ModelContext<Self>,
2265 ) -> Task<Result<Vec<Location>>> {
2266 let position = position.to_point_utf16(buffer.read(cx));
2267 self.request_lsp(buffer.clone(), GetReferences { position }, cx)
2268 }
2269
2270 pub fn document_highlights<T: ToPointUtf16>(
2271 &self,
2272 buffer: &ModelHandle<Buffer>,
2273 position: T,
2274 cx: &mut ModelContext<Self>,
2275 ) -> Task<Result<Vec<DocumentHighlight>>> {
2276 let position = position.to_point_utf16(buffer.read(cx));
2277
2278 self.request_lsp(buffer.clone(), GetDocumentHighlights { position }, cx)
2279 }
2280
2281 pub fn symbols(&self, query: &str, cx: &mut ModelContext<Self>) -> Task<Result<Vec<Symbol>>> {
2282 if self.is_local() {
2283 let mut requests = Vec::new();
2284 for ((worktree_id, _), (lsp_adapter, language_server)) in self.language_servers.iter() {
2285 let worktree_id = *worktree_id;
2286 if let Some(worktree) = self
2287 .worktree_for_id(worktree_id, cx)
2288 .and_then(|worktree| worktree.read(cx).as_local())
2289 {
2290 let lsp_adapter = lsp_adapter.clone();
2291 let worktree_abs_path = worktree.abs_path().clone();
2292 requests.push(
2293 language_server
2294 .request::<lsp::request::WorkspaceSymbol>(lsp::WorkspaceSymbolParams {
2295 query: query.to_string(),
2296 ..Default::default()
2297 })
2298 .log_err()
2299 .map(move |response| {
2300 (
2301 lsp_adapter,
2302 worktree_id,
2303 worktree_abs_path,
2304 response.unwrap_or_default(),
2305 )
2306 }),
2307 );
2308 }
2309 }
2310
2311 cx.spawn_weak(|this, cx| async move {
2312 let responses = futures::future::join_all(requests).await;
2313 let this = if let Some(this) = this.upgrade(&cx) {
2314 this
2315 } else {
2316 return Ok(Default::default());
2317 };
2318 this.read_with(&cx, |this, cx| {
2319 let mut symbols = Vec::new();
2320 for (adapter, source_worktree_id, worktree_abs_path, response) in responses {
2321 symbols.extend(response.into_iter().flatten().filter_map(|lsp_symbol| {
2322 let abs_path = lsp_symbol.location.uri.to_file_path().ok()?;
2323 let mut worktree_id = source_worktree_id;
2324 let path;
2325 if let Some((worktree, rel_path)) =
2326 this.find_local_worktree(&abs_path, cx)
2327 {
2328 worktree_id = worktree.read(cx).id();
2329 path = rel_path;
2330 } else {
2331 path = relativize_path(&worktree_abs_path, &abs_path);
2332 }
2333
2334 let label = this
2335 .languages
2336 .select_language(&path)
2337 .and_then(|language| {
2338 language.label_for_symbol(&lsp_symbol.name, lsp_symbol.kind)
2339 })
2340 .unwrap_or_else(|| CodeLabel::plain(lsp_symbol.name.clone(), None));
2341 let signature = this.symbol_signature(worktree_id, &path);
2342
2343 Some(Symbol {
2344 source_worktree_id,
2345 worktree_id,
2346 language_server_name: adapter.name(),
2347 name: lsp_symbol.name,
2348 kind: lsp_symbol.kind,
2349 label,
2350 path,
2351 range: range_from_lsp(lsp_symbol.location.range),
2352 signature,
2353 })
2354 }));
2355 }
2356 Ok(symbols)
2357 })
2358 })
2359 } else if let Some(project_id) = self.remote_id() {
2360 let request = self.client.request(proto::GetProjectSymbols {
2361 project_id,
2362 query: query.to_string(),
2363 });
2364 cx.spawn_weak(|this, cx| async move {
2365 let response = request.await?;
2366 let mut symbols = Vec::new();
2367 if let Some(this) = this.upgrade(&cx) {
2368 this.read_with(&cx, |this, _| {
2369 symbols.extend(
2370 response
2371 .symbols
2372 .into_iter()
2373 .filter_map(|symbol| this.deserialize_symbol(symbol).log_err()),
2374 );
2375 })
2376 }
2377 Ok(symbols)
2378 })
2379 } else {
2380 Task::ready(Ok(Default::default()))
2381 }
2382 }
2383
2384 pub fn open_buffer_for_symbol(
2385 &mut self,
2386 symbol: &Symbol,
2387 cx: &mut ModelContext<Self>,
2388 ) -> Task<Result<ModelHandle<Buffer>>> {
2389 if self.is_local() {
2390 let (lsp_adapter, language_server) = if let Some(server) = self.language_servers.get(&(
2391 symbol.source_worktree_id,
2392 symbol.language_server_name.clone(),
2393 )) {
2394 server.clone()
2395 } else {
2396 return Task::ready(Err(anyhow!(
2397 "language server for worktree and language not found"
2398 )));
2399 };
2400
2401 let worktree_abs_path = if let Some(worktree_abs_path) = self
2402 .worktree_for_id(symbol.worktree_id, cx)
2403 .and_then(|worktree| worktree.read(cx).as_local())
2404 .map(|local_worktree| local_worktree.abs_path())
2405 {
2406 worktree_abs_path
2407 } else {
2408 return Task::ready(Err(anyhow!("worktree not found for symbol")));
2409 };
2410 let symbol_abs_path = worktree_abs_path.join(&symbol.path);
2411 let symbol_uri = if let Ok(uri) = lsp::Url::from_file_path(symbol_abs_path) {
2412 uri
2413 } else {
2414 return Task::ready(Err(anyhow!("invalid symbol path")));
2415 };
2416
2417 self.open_local_buffer_via_lsp(symbol_uri, lsp_adapter, language_server, cx)
2418 } else if let Some(project_id) = self.remote_id() {
2419 let request = self.client.request(proto::OpenBufferForSymbol {
2420 project_id,
2421 symbol: Some(serialize_symbol(symbol)),
2422 });
2423 cx.spawn(|this, mut cx| async move {
2424 let response = request.await?;
2425 let buffer = response.buffer.ok_or_else(|| anyhow!("invalid buffer"))?;
2426 this.update(&mut cx, |this, cx| this.deserialize_buffer(buffer, cx))
2427 .await
2428 })
2429 } else {
2430 Task::ready(Err(anyhow!("project does not have a remote id")))
2431 }
2432 }
2433
2434 pub fn completions<T: ToPointUtf16>(
2435 &self,
2436 source_buffer_handle: &ModelHandle<Buffer>,
2437 position: T,
2438 cx: &mut ModelContext<Self>,
2439 ) -> Task<Result<Vec<Completion>>> {
2440 let source_buffer_handle = source_buffer_handle.clone();
2441 let source_buffer = source_buffer_handle.read(cx);
2442 let buffer_id = source_buffer.remote_id();
2443 let language = source_buffer.language().cloned();
2444 let worktree;
2445 let buffer_abs_path;
2446 if let Some(file) = File::from_dyn(source_buffer.file()) {
2447 worktree = file.worktree.clone();
2448 buffer_abs_path = file.as_local().map(|f| f.abs_path(cx));
2449 } else {
2450 return Task::ready(Ok(Default::default()));
2451 };
2452
2453 let position = position.to_point_utf16(source_buffer);
2454 let anchor = source_buffer.anchor_after(position);
2455
2456 if worktree.read(cx).as_local().is_some() {
2457 let buffer_abs_path = buffer_abs_path.unwrap();
2458 let (_, lang_server) =
2459 if let Some(server) = self.language_server_for_buffer(source_buffer, cx) {
2460 server.clone()
2461 } else {
2462 return Task::ready(Ok(Default::default()));
2463 };
2464
2465 cx.spawn(|_, cx| async move {
2466 let completions = lang_server
2467 .request::<lsp::request::Completion>(lsp::CompletionParams {
2468 text_document_position: lsp::TextDocumentPositionParams::new(
2469 lsp::TextDocumentIdentifier::new(
2470 lsp::Url::from_file_path(buffer_abs_path).unwrap(),
2471 ),
2472 point_to_lsp(position),
2473 ),
2474 context: Default::default(),
2475 work_done_progress_params: Default::default(),
2476 partial_result_params: Default::default(),
2477 })
2478 .await
2479 .context("lsp completion request failed")?;
2480
2481 let completions = if let Some(completions) = completions {
2482 match completions {
2483 lsp::CompletionResponse::Array(completions) => completions,
2484 lsp::CompletionResponse::List(list) => list.items,
2485 }
2486 } else {
2487 Default::default()
2488 };
2489
2490 source_buffer_handle.read_with(&cx, |this, _| {
2491 Ok(completions
2492 .into_iter()
2493 .filter_map(|lsp_completion| {
2494 let (old_range, new_text) = match lsp_completion.text_edit.as_ref() {
2495 Some(lsp::CompletionTextEdit::Edit(edit)) => {
2496 (range_from_lsp(edit.range), edit.new_text.clone())
2497 }
2498 None => {
2499 let clipped_position =
2500 this.clip_point_utf16(position, Bias::Left);
2501 if position != clipped_position {
2502 log::info!("completion out of expected range");
2503 return None;
2504 }
2505 (
2506 this.common_prefix_at(
2507 clipped_position,
2508 &lsp_completion.label,
2509 ),
2510 lsp_completion.label.clone(),
2511 )
2512 }
2513 Some(lsp::CompletionTextEdit::InsertAndReplace(_)) => {
2514 log::info!("unsupported insert/replace completion");
2515 return None;
2516 }
2517 };
2518
2519 let clipped_start = this.clip_point_utf16(old_range.start, Bias::Left);
2520 let clipped_end = this.clip_point_utf16(old_range.end, Bias::Left);
2521 if clipped_start == old_range.start && clipped_end == old_range.end {
2522 Some(Completion {
2523 old_range: this.anchor_before(old_range.start)
2524 ..this.anchor_after(old_range.end),
2525 new_text,
2526 label: language
2527 .as_ref()
2528 .and_then(|l| l.label_for_completion(&lsp_completion))
2529 .unwrap_or_else(|| {
2530 CodeLabel::plain(
2531 lsp_completion.label.clone(),
2532 lsp_completion.filter_text.as_deref(),
2533 )
2534 }),
2535 lsp_completion,
2536 })
2537 } else {
2538 log::info!("completion out of expected range");
2539 None
2540 }
2541 })
2542 .collect())
2543 })
2544 })
2545 } else if let Some(project_id) = self.remote_id() {
2546 let rpc = self.client.clone();
2547 let message = proto::GetCompletions {
2548 project_id,
2549 buffer_id,
2550 position: Some(language::proto::serialize_anchor(&anchor)),
2551 version: serialize_version(&source_buffer.version()),
2552 };
2553 cx.spawn_weak(|_, mut cx| async move {
2554 let response = rpc.request(message).await?;
2555
2556 source_buffer_handle
2557 .update(&mut cx, |buffer, _| {
2558 buffer.wait_for_version(deserialize_version(response.version))
2559 })
2560 .await;
2561
2562 response
2563 .completions
2564 .into_iter()
2565 .map(|completion| {
2566 language::proto::deserialize_completion(completion, language.as_ref())
2567 })
2568 .collect()
2569 })
2570 } else {
2571 Task::ready(Ok(Default::default()))
2572 }
2573 }
2574
2575 pub fn apply_additional_edits_for_completion(
2576 &self,
2577 buffer_handle: ModelHandle<Buffer>,
2578 completion: Completion,
2579 push_to_history: bool,
2580 cx: &mut ModelContext<Self>,
2581 ) -> Task<Result<Option<Transaction>>> {
2582 let buffer = buffer_handle.read(cx);
2583 let buffer_id = buffer.remote_id();
2584
2585 if self.is_local() {
2586 let (_, lang_server) = if let Some(server) = self.language_server_for_buffer(buffer, cx)
2587 {
2588 server.clone()
2589 } else {
2590 return Task::ready(Ok(Default::default()));
2591 };
2592
2593 cx.spawn(|this, mut cx| async move {
2594 let resolved_completion = lang_server
2595 .request::<lsp::request::ResolveCompletionItem>(completion.lsp_completion)
2596 .await?;
2597 if let Some(edits) = resolved_completion.additional_text_edits {
2598 let edits = this
2599 .update(&mut cx, |this, cx| {
2600 this.edits_from_lsp(&buffer_handle, edits, None, cx)
2601 })
2602 .await?;
2603 buffer_handle.update(&mut cx, |buffer, cx| {
2604 buffer.finalize_last_transaction();
2605 buffer.start_transaction();
2606 for (range, text) in edits {
2607 buffer.edit([range], text, cx);
2608 }
2609 let transaction = if buffer.end_transaction(cx).is_some() {
2610 let transaction = buffer.finalize_last_transaction().unwrap().clone();
2611 if !push_to_history {
2612 buffer.forget_transaction(transaction.id);
2613 }
2614 Some(transaction)
2615 } else {
2616 None
2617 };
2618 Ok(transaction)
2619 })
2620 } else {
2621 Ok(None)
2622 }
2623 })
2624 } else if let Some(project_id) = self.remote_id() {
2625 let client = self.client.clone();
2626 cx.spawn(|_, mut cx| async move {
2627 let response = client
2628 .request(proto::ApplyCompletionAdditionalEdits {
2629 project_id,
2630 buffer_id,
2631 completion: Some(language::proto::serialize_completion(&completion)),
2632 })
2633 .await?;
2634
2635 if let Some(transaction) = response.transaction {
2636 let transaction = language::proto::deserialize_transaction(transaction)?;
2637 buffer_handle
2638 .update(&mut cx, |buffer, _| {
2639 buffer.wait_for_edits(transaction.edit_ids.iter().copied())
2640 })
2641 .await;
2642 if push_to_history {
2643 buffer_handle.update(&mut cx, |buffer, _| {
2644 buffer.push_transaction(transaction.clone(), Instant::now());
2645 });
2646 }
2647 Ok(Some(transaction))
2648 } else {
2649 Ok(None)
2650 }
2651 })
2652 } else {
2653 Task::ready(Err(anyhow!("project does not have a remote id")))
2654 }
2655 }
2656
2657 pub fn code_actions<T: Clone + ToOffset>(
2658 &self,
2659 buffer_handle: &ModelHandle<Buffer>,
2660 range: Range<T>,
2661 cx: &mut ModelContext<Self>,
2662 ) -> Task<Result<Vec<CodeAction>>> {
2663 let buffer_handle = buffer_handle.clone();
2664 let buffer = buffer_handle.read(cx);
2665 let snapshot = buffer.snapshot();
2666 let relevant_diagnostics = snapshot
2667 .diagnostics_in_range::<usize, usize>(range.to_offset(&snapshot), false)
2668 .map(|entry| entry.to_lsp_diagnostic_stub())
2669 .collect();
2670 let buffer_id = buffer.remote_id();
2671 let worktree;
2672 let buffer_abs_path;
2673 if let Some(file) = File::from_dyn(buffer.file()) {
2674 worktree = file.worktree.clone();
2675 buffer_abs_path = file.as_local().map(|f| f.abs_path(cx));
2676 } else {
2677 return Task::ready(Ok(Default::default()));
2678 };
2679 let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
2680
2681 if worktree.read(cx).as_local().is_some() {
2682 let buffer_abs_path = buffer_abs_path.unwrap();
2683 let (_, lang_server) = if let Some(server) = self.language_server_for_buffer(buffer, cx)
2684 {
2685 server.clone()
2686 } else {
2687 return Task::ready(Ok(Default::default()));
2688 };
2689
2690 let lsp_range = range_to_lsp(range.to_point_utf16(buffer));
2691 cx.foreground().spawn(async move {
2692 if !lang_server.capabilities().code_action_provider.is_some() {
2693 return Ok(Default::default());
2694 }
2695
2696 Ok(lang_server
2697 .request::<lsp::request::CodeActionRequest>(lsp::CodeActionParams {
2698 text_document: lsp::TextDocumentIdentifier::new(
2699 lsp::Url::from_file_path(buffer_abs_path).unwrap(),
2700 ),
2701 range: lsp_range,
2702 work_done_progress_params: Default::default(),
2703 partial_result_params: Default::default(),
2704 context: lsp::CodeActionContext {
2705 diagnostics: relevant_diagnostics,
2706 only: Some(vec![
2707 lsp::CodeActionKind::QUICKFIX,
2708 lsp::CodeActionKind::REFACTOR,
2709 lsp::CodeActionKind::REFACTOR_EXTRACT,
2710 lsp::CodeActionKind::SOURCE,
2711 ]),
2712 },
2713 })
2714 .await?
2715 .unwrap_or_default()
2716 .into_iter()
2717 .filter_map(|entry| {
2718 if let lsp::CodeActionOrCommand::CodeAction(lsp_action) = entry {
2719 Some(CodeAction {
2720 range: range.clone(),
2721 lsp_action,
2722 })
2723 } else {
2724 None
2725 }
2726 })
2727 .collect())
2728 })
2729 } else if let Some(project_id) = self.remote_id() {
2730 let rpc = self.client.clone();
2731 let version = buffer.version();
2732 cx.spawn_weak(|_, mut cx| async move {
2733 let response = rpc
2734 .request(proto::GetCodeActions {
2735 project_id,
2736 buffer_id,
2737 start: Some(language::proto::serialize_anchor(&range.start)),
2738 end: Some(language::proto::serialize_anchor(&range.end)),
2739 version: serialize_version(&version),
2740 })
2741 .await?;
2742
2743 buffer_handle
2744 .update(&mut cx, |buffer, _| {
2745 buffer.wait_for_version(deserialize_version(response.version))
2746 })
2747 .await;
2748
2749 response
2750 .actions
2751 .into_iter()
2752 .map(language::proto::deserialize_code_action)
2753 .collect()
2754 })
2755 } else {
2756 Task::ready(Ok(Default::default()))
2757 }
2758 }
2759
2760 pub fn apply_code_action(
2761 &self,
2762 buffer_handle: ModelHandle<Buffer>,
2763 mut action: CodeAction,
2764 push_to_history: bool,
2765 cx: &mut ModelContext<Self>,
2766 ) -> Task<Result<ProjectTransaction>> {
2767 if self.is_local() {
2768 let buffer = buffer_handle.read(cx);
2769 let (lsp_adapter, lang_server) =
2770 if let Some(server) = self.language_server_for_buffer(buffer, cx) {
2771 server.clone()
2772 } else {
2773 return Task::ready(Ok(Default::default()));
2774 };
2775 let range = action.range.to_point_utf16(buffer);
2776
2777 cx.spawn(|this, mut cx| async move {
2778 if let Some(lsp_range) = action
2779 .lsp_action
2780 .data
2781 .as_mut()
2782 .and_then(|d| d.get_mut("codeActionParams"))
2783 .and_then(|d| d.get_mut("range"))
2784 {
2785 *lsp_range = serde_json::to_value(&range_to_lsp(range)).unwrap();
2786 action.lsp_action = lang_server
2787 .request::<lsp::request::CodeActionResolveRequest>(action.lsp_action)
2788 .await?;
2789 } else {
2790 let actions = this
2791 .update(&mut cx, |this, cx| {
2792 this.code_actions(&buffer_handle, action.range, cx)
2793 })
2794 .await?;
2795 action.lsp_action = actions
2796 .into_iter()
2797 .find(|a| a.lsp_action.title == action.lsp_action.title)
2798 .ok_or_else(|| anyhow!("code action is outdated"))?
2799 .lsp_action;
2800 }
2801
2802 if let Some(edit) = action.lsp_action.edit {
2803 Self::deserialize_workspace_edit(
2804 this,
2805 edit,
2806 push_to_history,
2807 lsp_adapter,
2808 lang_server,
2809 &mut cx,
2810 )
2811 .await
2812 } else if let Some(command) = action.lsp_action.command {
2813 this.update(&mut cx, |this, _| {
2814 this.last_workspace_edits_by_language_server
2815 .remove(&lang_server.server_id());
2816 });
2817 lang_server
2818 .request::<lsp::request::ExecuteCommand>(lsp::ExecuteCommandParams {
2819 command: command.command,
2820 arguments: command.arguments.unwrap_or_default(),
2821 ..Default::default()
2822 })
2823 .await?;
2824 Ok(this.update(&mut cx, |this, _| {
2825 this.last_workspace_edits_by_language_server
2826 .remove(&lang_server.server_id())
2827 .unwrap_or_default()
2828 }))
2829 } else {
2830 Ok(ProjectTransaction::default())
2831 }
2832 })
2833 } else if let Some(project_id) = self.remote_id() {
2834 let client = self.client.clone();
2835 let request = proto::ApplyCodeAction {
2836 project_id,
2837 buffer_id: buffer_handle.read(cx).remote_id(),
2838 action: Some(language::proto::serialize_code_action(&action)),
2839 };
2840 cx.spawn(|this, mut cx| async move {
2841 let response = client
2842 .request(request)
2843 .await?
2844 .transaction
2845 .ok_or_else(|| anyhow!("missing transaction"))?;
2846 this.update(&mut cx, |this, cx| {
2847 this.deserialize_project_transaction(response, push_to_history, cx)
2848 })
2849 .await
2850 })
2851 } else {
2852 Task::ready(Err(anyhow!("project does not have a remote id")))
2853 }
2854 }
2855
2856 async fn deserialize_workspace_edit(
2857 this: ModelHandle<Self>,
2858 edit: lsp::WorkspaceEdit,
2859 push_to_history: bool,
2860 lsp_adapter: Arc<dyn LspAdapter>,
2861 language_server: Arc<LanguageServer>,
2862 cx: &mut AsyncAppContext,
2863 ) -> Result<ProjectTransaction> {
2864 let fs = this.read_with(cx, |this, _| this.fs.clone());
2865 let mut operations = Vec::new();
2866 if let Some(document_changes) = edit.document_changes {
2867 match document_changes {
2868 lsp::DocumentChanges::Edits(edits) => {
2869 operations.extend(edits.into_iter().map(lsp::DocumentChangeOperation::Edit))
2870 }
2871 lsp::DocumentChanges::Operations(ops) => operations = ops,
2872 }
2873 } else if let Some(changes) = edit.changes {
2874 operations.extend(changes.into_iter().map(|(uri, edits)| {
2875 lsp::DocumentChangeOperation::Edit(lsp::TextDocumentEdit {
2876 text_document: lsp::OptionalVersionedTextDocumentIdentifier {
2877 uri,
2878 version: None,
2879 },
2880 edits: edits.into_iter().map(lsp::OneOf::Left).collect(),
2881 })
2882 }));
2883 }
2884
2885 let mut project_transaction = ProjectTransaction::default();
2886 for operation in operations {
2887 match operation {
2888 lsp::DocumentChangeOperation::Op(lsp::ResourceOp::Create(op)) => {
2889 let abs_path = op
2890 .uri
2891 .to_file_path()
2892 .map_err(|_| anyhow!("can't convert URI to path"))?;
2893
2894 if let Some(parent_path) = abs_path.parent() {
2895 fs.create_dir(parent_path).await?;
2896 }
2897 if abs_path.ends_with("/") {
2898 fs.create_dir(&abs_path).await?;
2899 } else {
2900 fs.create_file(&abs_path, op.options.map(Into::into).unwrap_or_default())
2901 .await?;
2902 }
2903 }
2904 lsp::DocumentChangeOperation::Op(lsp::ResourceOp::Rename(op)) => {
2905 let source_abs_path = op
2906 .old_uri
2907 .to_file_path()
2908 .map_err(|_| anyhow!("can't convert URI to path"))?;
2909 let target_abs_path = op
2910 .new_uri
2911 .to_file_path()
2912 .map_err(|_| anyhow!("can't convert URI to path"))?;
2913 fs.rename(
2914 &source_abs_path,
2915 &target_abs_path,
2916 op.options.map(Into::into).unwrap_or_default(),
2917 )
2918 .await?;
2919 }
2920 lsp::DocumentChangeOperation::Op(lsp::ResourceOp::Delete(op)) => {
2921 let abs_path = op
2922 .uri
2923 .to_file_path()
2924 .map_err(|_| anyhow!("can't convert URI to path"))?;
2925 let options = op.options.map(Into::into).unwrap_or_default();
2926 if abs_path.ends_with("/") {
2927 fs.remove_dir(&abs_path, options).await?;
2928 } else {
2929 fs.remove_file(&abs_path, options).await?;
2930 }
2931 }
2932 lsp::DocumentChangeOperation::Edit(op) => {
2933 let buffer_to_edit = this
2934 .update(cx, |this, cx| {
2935 this.open_local_buffer_via_lsp(
2936 op.text_document.uri,
2937 lsp_adapter.clone(),
2938 language_server.clone(),
2939 cx,
2940 )
2941 })
2942 .await?;
2943
2944 let edits = this
2945 .update(cx, |this, cx| {
2946 let edits = op.edits.into_iter().map(|edit| match edit {
2947 lsp::OneOf::Left(edit) => edit,
2948 lsp::OneOf::Right(edit) => edit.text_edit,
2949 });
2950 this.edits_from_lsp(
2951 &buffer_to_edit,
2952 edits,
2953 op.text_document.version,
2954 cx,
2955 )
2956 })
2957 .await?;
2958
2959 let transaction = buffer_to_edit.update(cx, |buffer, cx| {
2960 buffer.finalize_last_transaction();
2961 buffer.start_transaction();
2962 for (range, text) in edits {
2963 buffer.edit([range], text, cx);
2964 }
2965 let transaction = if buffer.end_transaction(cx).is_some() {
2966 let transaction = buffer.finalize_last_transaction().unwrap().clone();
2967 if !push_to_history {
2968 buffer.forget_transaction(transaction.id);
2969 }
2970 Some(transaction)
2971 } else {
2972 None
2973 };
2974
2975 transaction
2976 });
2977 if let Some(transaction) = transaction {
2978 project_transaction.0.insert(buffer_to_edit, transaction);
2979 }
2980 }
2981 }
2982 }
2983
2984 Ok(project_transaction)
2985 }
2986
2987 pub fn prepare_rename<T: ToPointUtf16>(
2988 &self,
2989 buffer: ModelHandle<Buffer>,
2990 position: T,
2991 cx: &mut ModelContext<Self>,
2992 ) -> Task<Result<Option<Range<Anchor>>>> {
2993 let position = position.to_point_utf16(buffer.read(cx));
2994 self.request_lsp(buffer, PrepareRename { position }, cx)
2995 }
2996
2997 pub fn perform_rename<T: ToPointUtf16>(
2998 &self,
2999 buffer: ModelHandle<Buffer>,
3000 position: T,
3001 new_name: String,
3002 push_to_history: bool,
3003 cx: &mut ModelContext<Self>,
3004 ) -> Task<Result<ProjectTransaction>> {
3005 let position = position.to_point_utf16(buffer.read(cx));
3006 self.request_lsp(
3007 buffer,
3008 PerformRename {
3009 position,
3010 new_name,
3011 push_to_history,
3012 },
3013 cx,
3014 )
3015 }
3016
3017 pub fn search(
3018 &self,
3019 query: SearchQuery,
3020 cx: &mut ModelContext<Self>,
3021 ) -> Task<Result<HashMap<ModelHandle<Buffer>, Vec<Range<Anchor>>>>> {
3022 if self.is_local() {
3023 let snapshots = self
3024 .visible_worktrees(cx)
3025 .filter_map(|tree| {
3026 let tree = tree.read(cx).as_local()?;
3027 Some(tree.snapshot())
3028 })
3029 .collect::<Vec<_>>();
3030
3031 let background = cx.background().clone();
3032 let path_count: usize = snapshots.iter().map(|s| s.visible_file_count()).sum();
3033 if path_count == 0 {
3034 return Task::ready(Ok(Default::default()));
3035 }
3036 let workers = background.num_cpus().min(path_count);
3037 let (matching_paths_tx, mut matching_paths_rx) = smol::channel::bounded(1024);
3038 cx.background()
3039 .spawn({
3040 let fs = self.fs.clone();
3041 let background = cx.background().clone();
3042 let query = query.clone();
3043 async move {
3044 let fs = &fs;
3045 let query = &query;
3046 let matching_paths_tx = &matching_paths_tx;
3047 let paths_per_worker = (path_count + workers - 1) / workers;
3048 let snapshots = &snapshots;
3049 background
3050 .scoped(|scope| {
3051 for worker_ix in 0..workers {
3052 let worker_start_ix = worker_ix * paths_per_worker;
3053 let worker_end_ix = worker_start_ix + paths_per_worker;
3054 scope.spawn(async move {
3055 let mut snapshot_start_ix = 0;
3056 let mut abs_path = PathBuf::new();
3057 for snapshot in snapshots {
3058 let snapshot_end_ix =
3059 snapshot_start_ix + snapshot.visible_file_count();
3060 if worker_end_ix <= snapshot_start_ix {
3061 break;
3062 } else if worker_start_ix > snapshot_end_ix {
3063 snapshot_start_ix = snapshot_end_ix;
3064 continue;
3065 } else {
3066 let start_in_snapshot = worker_start_ix
3067 .saturating_sub(snapshot_start_ix);
3068 let end_in_snapshot =
3069 cmp::min(worker_end_ix, snapshot_end_ix)
3070 - snapshot_start_ix;
3071
3072 for entry in snapshot
3073 .files(false, start_in_snapshot)
3074 .take(end_in_snapshot - start_in_snapshot)
3075 {
3076 if matching_paths_tx.is_closed() {
3077 break;
3078 }
3079
3080 abs_path.clear();
3081 abs_path.push(&snapshot.abs_path());
3082 abs_path.push(&entry.path);
3083 let matches = if let Some(file) =
3084 fs.open_sync(&abs_path).await.log_err()
3085 {
3086 query.detect(file).unwrap_or(false)
3087 } else {
3088 false
3089 };
3090
3091 if matches {
3092 let project_path =
3093 (snapshot.id(), entry.path.clone());
3094 if matching_paths_tx
3095 .send(project_path)
3096 .await
3097 .is_err()
3098 {
3099 break;
3100 }
3101 }
3102 }
3103
3104 snapshot_start_ix = snapshot_end_ix;
3105 }
3106 }
3107 });
3108 }
3109 })
3110 .await;
3111 }
3112 })
3113 .detach();
3114
3115 let (buffers_tx, buffers_rx) = smol::channel::bounded(1024);
3116 let open_buffers = self
3117 .opened_buffers
3118 .values()
3119 .filter_map(|b| b.upgrade(cx))
3120 .collect::<HashSet<_>>();
3121 cx.spawn(|this, cx| async move {
3122 for buffer in &open_buffers {
3123 let snapshot = buffer.read_with(&cx, |buffer, _| buffer.snapshot());
3124 buffers_tx.send((buffer.clone(), snapshot)).await?;
3125 }
3126
3127 let open_buffers = Rc::new(RefCell::new(open_buffers));
3128 while let Some(project_path) = matching_paths_rx.next().await {
3129 if buffers_tx.is_closed() {
3130 break;
3131 }
3132
3133 let this = this.clone();
3134 let open_buffers = open_buffers.clone();
3135 let buffers_tx = buffers_tx.clone();
3136 cx.spawn(|mut cx| async move {
3137 if let Some(buffer) = this
3138 .update(&mut cx, |this, cx| this.open_buffer(project_path, cx))
3139 .await
3140 .log_err()
3141 {
3142 if open_buffers.borrow_mut().insert(buffer.clone()) {
3143 let snapshot = buffer.read_with(&cx, |buffer, _| buffer.snapshot());
3144 buffers_tx.send((buffer, snapshot)).await?;
3145 }
3146 }
3147
3148 Ok::<_, anyhow::Error>(())
3149 })
3150 .detach();
3151 }
3152
3153 Ok::<_, anyhow::Error>(())
3154 })
3155 .detach_and_log_err(cx);
3156
3157 let background = cx.background().clone();
3158 cx.background().spawn(async move {
3159 let query = &query;
3160 let mut matched_buffers = Vec::new();
3161 for _ in 0..workers {
3162 matched_buffers.push(HashMap::default());
3163 }
3164 background
3165 .scoped(|scope| {
3166 for worker_matched_buffers in matched_buffers.iter_mut() {
3167 let mut buffers_rx = buffers_rx.clone();
3168 scope.spawn(async move {
3169 while let Some((buffer, snapshot)) = buffers_rx.next().await {
3170 let buffer_matches = query
3171 .search(snapshot.as_rope())
3172 .await
3173 .iter()
3174 .map(|range| {
3175 snapshot.anchor_before(range.start)
3176 ..snapshot.anchor_after(range.end)
3177 })
3178 .collect::<Vec<_>>();
3179 if !buffer_matches.is_empty() {
3180 worker_matched_buffers
3181 .insert(buffer.clone(), buffer_matches);
3182 }
3183 }
3184 });
3185 }
3186 })
3187 .await;
3188 Ok(matched_buffers.into_iter().flatten().collect())
3189 })
3190 } else if let Some(project_id) = self.remote_id() {
3191 let request = self.client.request(query.to_proto(project_id));
3192 cx.spawn(|this, mut cx| async move {
3193 let response = request.await?;
3194 let mut result = HashMap::default();
3195 for location in response.locations {
3196 let buffer = location.buffer.ok_or_else(|| anyhow!("missing buffer"))?;
3197 let target_buffer = this
3198 .update(&mut cx, |this, cx| this.deserialize_buffer(buffer, cx))
3199 .await?;
3200 let start = location
3201 .start
3202 .and_then(deserialize_anchor)
3203 .ok_or_else(|| anyhow!("missing target start"))?;
3204 let end = location
3205 .end
3206 .and_then(deserialize_anchor)
3207 .ok_or_else(|| anyhow!("missing target end"))?;
3208 result
3209 .entry(target_buffer)
3210 .or_insert(Vec::new())
3211 .push(start..end)
3212 }
3213 Ok(result)
3214 })
3215 } else {
3216 Task::ready(Ok(Default::default()))
3217 }
3218 }
3219
3220 fn request_lsp<R: LspCommand>(
3221 &self,
3222 buffer_handle: ModelHandle<Buffer>,
3223 request: R,
3224 cx: &mut ModelContext<Self>,
3225 ) -> Task<Result<R::Response>>
3226 where
3227 <R::LspRequest as lsp::request::Request>::Result: Send,
3228 {
3229 let buffer = buffer_handle.read(cx);
3230 if self.is_local() {
3231 let file = File::from_dyn(buffer.file()).and_then(File::as_local);
3232 if let Some((file, (_, language_server))) =
3233 file.zip(self.language_server_for_buffer(buffer, cx).cloned())
3234 {
3235 let lsp_params = request.to_lsp(&file.abs_path(cx), cx);
3236 return cx.spawn(|this, cx| async move {
3237 if !request.check_capabilities(&language_server.capabilities()) {
3238 return Ok(Default::default());
3239 }
3240
3241 let response = language_server
3242 .request::<R::LspRequest>(lsp_params)
3243 .await
3244 .context("lsp request failed")?;
3245 request
3246 .response_from_lsp(response, this, buffer_handle, cx)
3247 .await
3248 });
3249 }
3250 } else if let Some(project_id) = self.remote_id() {
3251 let rpc = self.client.clone();
3252 let message = request.to_proto(project_id, buffer);
3253 return cx.spawn(|this, cx| async move {
3254 let response = rpc.request(message).await?;
3255 request
3256 .response_from_proto(response, this, buffer_handle, cx)
3257 .await
3258 });
3259 }
3260 Task::ready(Ok(Default::default()))
3261 }
3262
3263 pub fn find_or_create_local_worktree(
3264 &mut self,
3265 abs_path: impl AsRef<Path>,
3266 visible: bool,
3267 cx: &mut ModelContext<Self>,
3268 ) -> Task<Result<(ModelHandle<Worktree>, PathBuf)>> {
3269 let abs_path = abs_path.as_ref();
3270 if let Some((tree, relative_path)) = self.find_local_worktree(abs_path, cx) {
3271 Task::ready(Ok((tree.clone(), relative_path.into())))
3272 } else {
3273 let worktree = self.create_local_worktree(abs_path, visible, cx);
3274 cx.foreground()
3275 .spawn(async move { Ok((worktree.await?, PathBuf::new())) })
3276 }
3277 }
3278
3279 pub fn find_local_worktree(
3280 &self,
3281 abs_path: &Path,
3282 cx: &AppContext,
3283 ) -> Option<(ModelHandle<Worktree>, PathBuf)> {
3284 for tree in self.worktrees(cx) {
3285 if let Some(relative_path) = tree
3286 .read(cx)
3287 .as_local()
3288 .and_then(|t| abs_path.strip_prefix(t.abs_path()).ok())
3289 {
3290 return Some((tree.clone(), relative_path.into()));
3291 }
3292 }
3293 None
3294 }
3295
3296 pub fn is_shared(&self) -> bool {
3297 match &self.client_state {
3298 ProjectClientState::Local { is_shared, .. } => *is_shared,
3299 ProjectClientState::Remote { .. } => false,
3300 }
3301 }
3302
3303 fn create_local_worktree(
3304 &mut self,
3305 abs_path: impl AsRef<Path>,
3306 visible: bool,
3307 cx: &mut ModelContext<Self>,
3308 ) -> Task<Result<ModelHandle<Worktree>>> {
3309 let fs = self.fs.clone();
3310 let client = self.client.clone();
3311 let next_entry_id = self.next_entry_id.clone();
3312 let path: Arc<Path> = abs_path.as_ref().into();
3313 let task = self
3314 .loading_local_worktrees
3315 .entry(path.clone())
3316 .or_insert_with(|| {
3317 cx.spawn(|project, mut cx| {
3318 async move {
3319 let worktree = Worktree::local(
3320 client.clone(),
3321 path.clone(),
3322 visible,
3323 fs,
3324 next_entry_id,
3325 &mut cx,
3326 )
3327 .await;
3328 project.update(&mut cx, |project, _| {
3329 project.loading_local_worktrees.remove(&path);
3330 });
3331 let worktree = worktree?;
3332
3333 let (remote_project_id, is_shared) =
3334 project.update(&mut cx, |project, cx| {
3335 project.add_worktree(&worktree, cx);
3336 (project.remote_id(), project.is_shared())
3337 });
3338
3339 if let Some(project_id) = remote_project_id {
3340 if is_shared {
3341 worktree
3342 .update(&mut cx, |worktree, cx| {
3343 worktree.as_local_mut().unwrap().share(project_id, cx)
3344 })
3345 .await?;
3346 } else {
3347 worktree
3348 .update(&mut cx, |worktree, cx| {
3349 worktree.as_local_mut().unwrap().register(project_id, cx)
3350 })
3351 .await?;
3352 }
3353 }
3354
3355 Ok(worktree)
3356 }
3357 .map_err(|err| Arc::new(err))
3358 })
3359 .shared()
3360 })
3361 .clone();
3362 cx.foreground().spawn(async move {
3363 match task.await {
3364 Ok(worktree) => Ok(worktree),
3365 Err(err) => Err(anyhow!("{}", err)),
3366 }
3367 })
3368 }
3369
3370 pub fn remove_worktree(&mut self, id: WorktreeId, cx: &mut ModelContext<Self>) {
3371 self.worktrees.retain(|worktree| {
3372 worktree
3373 .upgrade(cx)
3374 .map_or(false, |w| w.read(cx).id() != id)
3375 });
3376 cx.notify();
3377 }
3378
3379 fn add_worktree(&mut self, worktree: &ModelHandle<Worktree>, cx: &mut ModelContext<Self>) {
3380 cx.observe(&worktree, |_, _, cx| cx.notify()).detach();
3381 if worktree.read(cx).is_local() {
3382 cx.subscribe(&worktree, |this, worktree, _, cx| {
3383 this.update_local_worktree_buffers(worktree, cx);
3384 })
3385 .detach();
3386 }
3387
3388 let push_strong_handle = {
3389 let worktree = worktree.read(cx);
3390 self.is_shared() || worktree.is_visible() || worktree.is_remote()
3391 };
3392 if push_strong_handle {
3393 self.worktrees
3394 .push(WorktreeHandle::Strong(worktree.clone()));
3395 } else {
3396 cx.observe_release(&worktree, |this, _, cx| {
3397 this.worktrees
3398 .retain(|worktree| worktree.upgrade(cx).is_some());
3399 cx.notify();
3400 })
3401 .detach();
3402 self.worktrees
3403 .push(WorktreeHandle::Weak(worktree.downgrade()));
3404 }
3405 cx.notify();
3406 }
3407
3408 fn update_local_worktree_buffers(
3409 &mut self,
3410 worktree_handle: ModelHandle<Worktree>,
3411 cx: &mut ModelContext<Self>,
3412 ) {
3413 let snapshot = worktree_handle.read(cx).snapshot();
3414 let mut buffers_to_delete = Vec::new();
3415 let mut renamed_buffers = Vec::new();
3416 for (buffer_id, buffer) in &self.opened_buffers {
3417 if let Some(buffer) = buffer.upgrade(cx) {
3418 buffer.update(cx, |buffer, cx| {
3419 if let Some(old_file) = File::from_dyn(buffer.file()) {
3420 if old_file.worktree != worktree_handle {
3421 return;
3422 }
3423
3424 let new_file = if let Some(entry) = old_file
3425 .entry_id
3426 .and_then(|entry_id| snapshot.entry_for_id(entry_id))
3427 {
3428 File {
3429 is_local: true,
3430 entry_id: Some(entry.id),
3431 mtime: entry.mtime,
3432 path: entry.path.clone(),
3433 worktree: worktree_handle.clone(),
3434 }
3435 } else if let Some(entry) =
3436 snapshot.entry_for_path(old_file.path().as_ref())
3437 {
3438 File {
3439 is_local: true,
3440 entry_id: Some(entry.id),
3441 mtime: entry.mtime,
3442 path: entry.path.clone(),
3443 worktree: worktree_handle.clone(),
3444 }
3445 } else {
3446 File {
3447 is_local: true,
3448 entry_id: None,
3449 path: old_file.path().clone(),
3450 mtime: old_file.mtime(),
3451 worktree: worktree_handle.clone(),
3452 }
3453 };
3454
3455 let old_path = old_file.abs_path(cx);
3456 if new_file.abs_path(cx) != old_path {
3457 renamed_buffers.push((cx.handle(), old_path));
3458 }
3459
3460 if let Some(project_id) = self.remote_id() {
3461 self.client
3462 .send(proto::UpdateBufferFile {
3463 project_id,
3464 buffer_id: *buffer_id as u64,
3465 file: Some(new_file.to_proto()),
3466 })
3467 .log_err();
3468 }
3469 buffer.file_updated(Box::new(new_file), cx).detach();
3470 }
3471 });
3472 } else {
3473 buffers_to_delete.push(*buffer_id);
3474 }
3475 }
3476
3477 for buffer_id in buffers_to_delete {
3478 self.opened_buffers.remove(&buffer_id);
3479 }
3480
3481 for (buffer, old_path) in renamed_buffers {
3482 self.unregister_buffer_from_language_server(&buffer, old_path, cx);
3483 self.assign_language_to_buffer(&buffer, cx);
3484 self.register_buffer_with_language_server(&buffer, cx);
3485 }
3486 }
3487
3488 pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut ModelContext<Self>) {
3489 let new_active_entry = entry.and_then(|project_path| {
3490 let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
3491 let entry = worktree.read(cx).entry_for_path(project_path.path)?;
3492 Some(entry.id)
3493 });
3494 if new_active_entry != self.active_entry {
3495 self.active_entry = new_active_entry;
3496 cx.emit(Event::ActiveEntryChanged(new_active_entry));
3497 }
3498 }
3499
3500 pub fn is_running_disk_based_diagnostics(&self) -> bool {
3501 self.language_server_statuses
3502 .values()
3503 .any(|status| status.pending_diagnostic_updates > 0)
3504 }
3505
3506 pub fn diagnostic_summary(&self, cx: &AppContext) -> DiagnosticSummary {
3507 let mut summary = DiagnosticSummary::default();
3508 for (_, path_summary) in self.diagnostic_summaries(cx) {
3509 summary.error_count += path_summary.error_count;
3510 summary.warning_count += path_summary.warning_count;
3511 }
3512 summary
3513 }
3514
3515 pub fn diagnostic_summaries<'a>(
3516 &'a self,
3517 cx: &'a AppContext,
3518 ) -> impl Iterator<Item = (ProjectPath, DiagnosticSummary)> + 'a {
3519 self.worktrees(cx).flat_map(move |worktree| {
3520 let worktree = worktree.read(cx);
3521 let worktree_id = worktree.id();
3522 worktree
3523 .diagnostic_summaries()
3524 .map(move |(path, summary)| (ProjectPath { worktree_id, path }, summary))
3525 })
3526 }
3527
3528 pub fn disk_based_diagnostics_started(&mut self, cx: &mut ModelContext<Self>) {
3529 if self
3530 .language_server_statuses
3531 .values()
3532 .map(|status| status.pending_diagnostic_updates)
3533 .sum::<isize>()
3534 == 1
3535 {
3536 cx.emit(Event::DiskBasedDiagnosticsStarted);
3537 }
3538 }
3539
3540 pub fn disk_based_diagnostics_finished(&mut self, cx: &mut ModelContext<Self>) {
3541 cx.emit(Event::DiskBasedDiagnosticsUpdated);
3542 if self
3543 .language_server_statuses
3544 .values()
3545 .map(|status| status.pending_diagnostic_updates)
3546 .sum::<isize>()
3547 == 0
3548 {
3549 cx.emit(Event::DiskBasedDiagnosticsFinished);
3550 }
3551 }
3552
3553 pub fn active_entry(&self) -> Option<ProjectEntryId> {
3554 self.active_entry
3555 }
3556
3557 pub fn entry_for_path(&self, path: &ProjectPath, cx: &AppContext) -> Option<ProjectEntryId> {
3558 self.worktree_for_id(path.worktree_id, cx)?
3559 .read(cx)
3560 .entry_for_path(&path.path)
3561 .map(|entry| entry.id)
3562 }
3563
3564 pub fn path_for_entry(&self, entry_id: ProjectEntryId, cx: &AppContext) -> Option<ProjectPath> {
3565 let worktree = self.worktree_for_entry(entry_id, cx)?;
3566 let worktree = worktree.read(cx);
3567 let worktree_id = worktree.id();
3568 let path = worktree.entry_for_id(entry_id)?.path.clone();
3569 Some(ProjectPath { worktree_id, path })
3570 }
3571
3572 // RPC message handlers
3573
3574 async fn handle_unshare_project(
3575 this: ModelHandle<Self>,
3576 _: TypedEnvelope<proto::UnshareProject>,
3577 _: Arc<Client>,
3578 mut cx: AsyncAppContext,
3579 ) -> Result<()> {
3580 this.update(&mut cx, |this, cx| this.project_unshared(cx));
3581 Ok(())
3582 }
3583
3584 async fn handle_add_collaborator(
3585 this: ModelHandle<Self>,
3586 mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
3587 _: Arc<Client>,
3588 mut cx: AsyncAppContext,
3589 ) -> Result<()> {
3590 let user_store = this.read_with(&cx, |this, _| this.user_store.clone());
3591 let collaborator = envelope
3592 .payload
3593 .collaborator
3594 .take()
3595 .ok_or_else(|| anyhow!("empty collaborator"))?;
3596
3597 let collaborator = Collaborator::from_proto(collaborator, &user_store, &mut cx).await?;
3598 this.update(&mut cx, |this, cx| {
3599 this.collaborators
3600 .insert(collaborator.peer_id, collaborator);
3601 cx.notify();
3602 });
3603
3604 Ok(())
3605 }
3606
3607 async fn handle_remove_collaborator(
3608 this: ModelHandle<Self>,
3609 envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
3610 _: Arc<Client>,
3611 mut cx: AsyncAppContext,
3612 ) -> Result<()> {
3613 this.update(&mut cx, |this, cx| {
3614 let peer_id = PeerId(envelope.payload.peer_id);
3615 let replica_id = this
3616 .collaborators
3617 .remove(&peer_id)
3618 .ok_or_else(|| anyhow!("unknown peer {:?}", peer_id))?
3619 .replica_id;
3620 for (_, buffer) in &this.opened_buffers {
3621 if let Some(buffer) = buffer.upgrade(cx) {
3622 buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
3623 }
3624 }
3625 cx.emit(Event::CollaboratorLeft(peer_id));
3626 cx.notify();
3627 Ok(())
3628 })
3629 }
3630
3631 async fn handle_register_worktree(
3632 this: ModelHandle<Self>,
3633 envelope: TypedEnvelope<proto::RegisterWorktree>,
3634 client: Arc<Client>,
3635 mut cx: AsyncAppContext,
3636 ) -> Result<()> {
3637 this.update(&mut cx, |this, cx| {
3638 let remote_id = this.remote_id().ok_or_else(|| anyhow!("invalid project"))?;
3639 let replica_id = this.replica_id();
3640 let worktree = proto::Worktree {
3641 id: envelope.payload.worktree_id,
3642 root_name: envelope.payload.root_name,
3643 entries: Default::default(),
3644 diagnostic_summaries: Default::default(),
3645 visible: envelope.payload.visible,
3646 };
3647 let (worktree, load_task) =
3648 Worktree::remote(remote_id, replica_id, worktree, client, cx);
3649 this.add_worktree(&worktree, cx);
3650 load_task.detach();
3651 Ok(())
3652 })
3653 }
3654
3655 async fn handle_unregister_worktree(
3656 this: ModelHandle<Self>,
3657 envelope: TypedEnvelope<proto::UnregisterWorktree>,
3658 _: Arc<Client>,
3659 mut cx: AsyncAppContext,
3660 ) -> Result<()> {
3661 this.update(&mut cx, |this, cx| {
3662 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
3663 this.remove_worktree(worktree_id, cx);
3664 Ok(())
3665 })
3666 }
3667
3668 async fn handle_update_worktree(
3669 this: ModelHandle<Self>,
3670 envelope: TypedEnvelope<proto::UpdateWorktree>,
3671 _: Arc<Client>,
3672 mut cx: AsyncAppContext,
3673 ) -> Result<()> {
3674 this.update(&mut cx, |this, cx| {
3675 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
3676 if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
3677 worktree.update(cx, |worktree, _| {
3678 let worktree = worktree.as_remote_mut().unwrap();
3679 worktree.update_from_remote(envelope)
3680 })?;
3681 }
3682 Ok(())
3683 })
3684 }
3685
3686 async fn handle_update_diagnostic_summary(
3687 this: ModelHandle<Self>,
3688 envelope: TypedEnvelope<proto::UpdateDiagnosticSummary>,
3689 _: Arc<Client>,
3690 mut cx: AsyncAppContext,
3691 ) -> Result<()> {
3692 this.update(&mut cx, |this, cx| {
3693 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
3694 if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
3695 if let Some(summary) = envelope.payload.summary {
3696 let project_path = ProjectPath {
3697 worktree_id,
3698 path: Path::new(&summary.path).into(),
3699 };
3700 worktree.update(cx, |worktree, _| {
3701 worktree
3702 .as_remote_mut()
3703 .unwrap()
3704 .update_diagnostic_summary(project_path.path.clone(), &summary);
3705 });
3706 cx.emit(Event::DiagnosticsUpdated(project_path));
3707 }
3708 }
3709 Ok(())
3710 })
3711 }
3712
3713 async fn handle_start_language_server(
3714 this: ModelHandle<Self>,
3715 envelope: TypedEnvelope<proto::StartLanguageServer>,
3716 _: Arc<Client>,
3717 mut cx: AsyncAppContext,
3718 ) -> Result<()> {
3719 let server = envelope
3720 .payload
3721 .server
3722 .ok_or_else(|| anyhow!("invalid server"))?;
3723 this.update(&mut cx, |this, cx| {
3724 this.language_server_statuses.insert(
3725 server.id as usize,
3726 LanguageServerStatus {
3727 name: server.name,
3728 pending_work: Default::default(),
3729 pending_diagnostic_updates: 0,
3730 },
3731 );
3732 cx.notify();
3733 });
3734 Ok(())
3735 }
3736
3737 async fn handle_update_language_server(
3738 this: ModelHandle<Self>,
3739 envelope: TypedEnvelope<proto::UpdateLanguageServer>,
3740 _: Arc<Client>,
3741 mut cx: AsyncAppContext,
3742 ) -> Result<()> {
3743 let language_server_id = envelope.payload.language_server_id as usize;
3744 match envelope
3745 .payload
3746 .variant
3747 .ok_or_else(|| anyhow!("invalid variant"))?
3748 {
3749 proto::update_language_server::Variant::WorkStart(payload) => {
3750 this.update(&mut cx, |this, cx| {
3751 this.on_lsp_work_start(language_server_id, payload.token, cx);
3752 })
3753 }
3754 proto::update_language_server::Variant::WorkProgress(payload) => {
3755 this.update(&mut cx, |this, cx| {
3756 this.on_lsp_work_progress(
3757 language_server_id,
3758 payload.token,
3759 LanguageServerProgress {
3760 message: payload.message,
3761 percentage: payload.percentage.map(|p| p as usize),
3762 last_update_at: Instant::now(),
3763 },
3764 cx,
3765 );
3766 })
3767 }
3768 proto::update_language_server::Variant::WorkEnd(payload) => {
3769 this.update(&mut cx, |this, cx| {
3770 this.on_lsp_work_end(language_server_id, payload.token, cx);
3771 })
3772 }
3773 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdating(_) => {
3774 this.update(&mut cx, |this, cx| {
3775 this.disk_based_diagnostics_started(cx);
3776 })
3777 }
3778 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(_) => {
3779 this.update(&mut cx, |this, cx| this.disk_based_diagnostics_finished(cx));
3780 }
3781 }
3782
3783 Ok(())
3784 }
3785
3786 async fn handle_update_buffer(
3787 this: ModelHandle<Self>,
3788 envelope: TypedEnvelope<proto::UpdateBuffer>,
3789 _: Arc<Client>,
3790 mut cx: AsyncAppContext,
3791 ) -> Result<()> {
3792 this.update(&mut cx, |this, cx| {
3793 let payload = envelope.payload.clone();
3794 let buffer_id = payload.buffer_id;
3795 let ops = payload
3796 .operations
3797 .into_iter()
3798 .map(|op| language::proto::deserialize_operation(op))
3799 .collect::<Result<Vec<_>, _>>()?;
3800 match this.opened_buffers.entry(buffer_id) {
3801 hash_map::Entry::Occupied(mut e) => match e.get_mut() {
3802 OpenBuffer::Strong(buffer) => {
3803 buffer.update(cx, |buffer, cx| buffer.apply_ops(ops, cx))?;
3804 }
3805 OpenBuffer::Loading(operations) => operations.extend_from_slice(&ops),
3806 OpenBuffer::Weak(_) => {}
3807 },
3808 hash_map::Entry::Vacant(e) => {
3809 e.insert(OpenBuffer::Loading(ops));
3810 }
3811 }
3812 Ok(())
3813 })
3814 }
3815
3816 async fn handle_update_buffer_file(
3817 this: ModelHandle<Self>,
3818 envelope: TypedEnvelope<proto::UpdateBufferFile>,
3819 _: Arc<Client>,
3820 mut cx: AsyncAppContext,
3821 ) -> Result<()> {
3822 this.update(&mut cx, |this, cx| {
3823 let payload = envelope.payload.clone();
3824 let buffer_id = payload.buffer_id;
3825 let file = payload.file.ok_or_else(|| anyhow!("invalid file"))?;
3826 let worktree = this
3827 .worktree_for_id(WorktreeId::from_proto(file.worktree_id), cx)
3828 .ok_or_else(|| anyhow!("no such worktree"))?;
3829 let file = File::from_proto(file, worktree.clone(), cx)?;
3830 let buffer = this
3831 .opened_buffers
3832 .get_mut(&buffer_id)
3833 .and_then(|b| b.upgrade(cx))
3834 .ok_or_else(|| anyhow!("no such buffer"))?;
3835 buffer.update(cx, |buffer, cx| {
3836 buffer.file_updated(Box::new(file), cx).detach();
3837 });
3838 Ok(())
3839 })
3840 }
3841
3842 async fn handle_save_buffer(
3843 this: ModelHandle<Self>,
3844 envelope: TypedEnvelope<proto::SaveBuffer>,
3845 _: Arc<Client>,
3846 mut cx: AsyncAppContext,
3847 ) -> Result<proto::BufferSaved> {
3848 let buffer_id = envelope.payload.buffer_id;
3849 let requested_version = deserialize_version(envelope.payload.version);
3850
3851 let (project_id, buffer) = this.update(&mut cx, |this, cx| {
3852 let project_id = this.remote_id().ok_or_else(|| anyhow!("not connected"))?;
3853 let buffer = this
3854 .opened_buffers
3855 .get(&buffer_id)
3856 .and_then(|buffer| buffer.upgrade(cx))
3857 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))?;
3858 Ok::<_, anyhow::Error>((project_id, buffer))
3859 })?;
3860 buffer
3861 .update(&mut cx, |buffer, _| {
3862 buffer.wait_for_version(requested_version)
3863 })
3864 .await;
3865
3866 let (saved_version, mtime) = buffer.update(&mut cx, |buffer, cx| buffer.save(cx)).await?;
3867 Ok(proto::BufferSaved {
3868 project_id,
3869 buffer_id,
3870 version: serialize_version(&saved_version),
3871 mtime: Some(mtime.into()),
3872 })
3873 }
3874
3875 async fn handle_reload_buffers(
3876 this: ModelHandle<Self>,
3877 envelope: TypedEnvelope<proto::ReloadBuffers>,
3878 _: Arc<Client>,
3879 mut cx: AsyncAppContext,
3880 ) -> Result<proto::ReloadBuffersResponse> {
3881 let sender_id = envelope.original_sender_id()?;
3882 let reload = this.update(&mut cx, |this, cx| {
3883 let mut buffers = HashSet::default();
3884 for buffer_id in &envelope.payload.buffer_ids {
3885 buffers.insert(
3886 this.opened_buffers
3887 .get(buffer_id)
3888 .and_then(|buffer| buffer.upgrade(cx))
3889 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))?,
3890 );
3891 }
3892 Ok::<_, anyhow::Error>(this.reload_buffers(buffers, false, cx))
3893 })?;
3894
3895 let project_transaction = reload.await?;
3896 let project_transaction = this.update(&mut cx, |this, cx| {
3897 this.serialize_project_transaction_for_peer(project_transaction, sender_id, cx)
3898 });
3899 Ok(proto::ReloadBuffersResponse {
3900 transaction: Some(project_transaction),
3901 })
3902 }
3903
3904 async fn handle_format_buffers(
3905 this: ModelHandle<Self>,
3906 envelope: TypedEnvelope<proto::FormatBuffers>,
3907 _: Arc<Client>,
3908 mut cx: AsyncAppContext,
3909 ) -> Result<proto::FormatBuffersResponse> {
3910 let sender_id = envelope.original_sender_id()?;
3911 let format = this.update(&mut cx, |this, cx| {
3912 let mut buffers = HashSet::default();
3913 for buffer_id in &envelope.payload.buffer_ids {
3914 buffers.insert(
3915 this.opened_buffers
3916 .get(buffer_id)
3917 .and_then(|buffer| buffer.upgrade(cx))
3918 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))?,
3919 );
3920 }
3921 Ok::<_, anyhow::Error>(this.format(buffers, false, cx))
3922 })?;
3923
3924 let project_transaction = format.await?;
3925 let project_transaction = this.update(&mut cx, |this, cx| {
3926 this.serialize_project_transaction_for_peer(project_transaction, sender_id, cx)
3927 });
3928 Ok(proto::FormatBuffersResponse {
3929 transaction: Some(project_transaction),
3930 })
3931 }
3932
3933 async fn handle_get_completions(
3934 this: ModelHandle<Self>,
3935 envelope: TypedEnvelope<proto::GetCompletions>,
3936 _: Arc<Client>,
3937 mut cx: AsyncAppContext,
3938 ) -> Result<proto::GetCompletionsResponse> {
3939 let position = envelope
3940 .payload
3941 .position
3942 .and_then(language::proto::deserialize_anchor)
3943 .ok_or_else(|| anyhow!("invalid position"))?;
3944 let version = deserialize_version(envelope.payload.version);
3945 let buffer = this.read_with(&cx, |this, cx| {
3946 this.opened_buffers
3947 .get(&envelope.payload.buffer_id)
3948 .and_then(|buffer| buffer.upgrade(cx))
3949 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))
3950 })?;
3951 buffer
3952 .update(&mut cx, |buffer, _| buffer.wait_for_version(version))
3953 .await;
3954 let version = buffer.read_with(&cx, |buffer, _| buffer.version());
3955 let completions = this
3956 .update(&mut cx, |this, cx| this.completions(&buffer, position, cx))
3957 .await?;
3958
3959 Ok(proto::GetCompletionsResponse {
3960 completions: completions
3961 .iter()
3962 .map(language::proto::serialize_completion)
3963 .collect(),
3964 version: serialize_version(&version),
3965 })
3966 }
3967
3968 async fn handle_apply_additional_edits_for_completion(
3969 this: ModelHandle<Self>,
3970 envelope: TypedEnvelope<proto::ApplyCompletionAdditionalEdits>,
3971 _: Arc<Client>,
3972 mut cx: AsyncAppContext,
3973 ) -> Result<proto::ApplyCompletionAdditionalEditsResponse> {
3974 let apply_additional_edits = this.update(&mut cx, |this, cx| {
3975 let buffer = this
3976 .opened_buffers
3977 .get(&envelope.payload.buffer_id)
3978 .and_then(|buffer| buffer.upgrade(cx))
3979 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
3980 let language = buffer.read(cx).language();
3981 let completion = language::proto::deserialize_completion(
3982 envelope
3983 .payload
3984 .completion
3985 .ok_or_else(|| anyhow!("invalid completion"))?,
3986 language,
3987 )?;
3988 Ok::<_, anyhow::Error>(
3989 this.apply_additional_edits_for_completion(buffer, completion, false, cx),
3990 )
3991 })?;
3992
3993 Ok(proto::ApplyCompletionAdditionalEditsResponse {
3994 transaction: apply_additional_edits
3995 .await?
3996 .as_ref()
3997 .map(language::proto::serialize_transaction),
3998 })
3999 }
4000
4001 async fn handle_get_code_actions(
4002 this: ModelHandle<Self>,
4003 envelope: TypedEnvelope<proto::GetCodeActions>,
4004 _: Arc<Client>,
4005 mut cx: AsyncAppContext,
4006 ) -> Result<proto::GetCodeActionsResponse> {
4007 let start = envelope
4008 .payload
4009 .start
4010 .and_then(language::proto::deserialize_anchor)
4011 .ok_or_else(|| anyhow!("invalid start"))?;
4012 let end = envelope
4013 .payload
4014 .end
4015 .and_then(language::proto::deserialize_anchor)
4016 .ok_or_else(|| anyhow!("invalid end"))?;
4017 let buffer = this.update(&mut cx, |this, cx| {
4018 this.opened_buffers
4019 .get(&envelope.payload.buffer_id)
4020 .and_then(|buffer| buffer.upgrade(cx))
4021 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))
4022 })?;
4023 buffer
4024 .update(&mut cx, |buffer, _| {
4025 buffer.wait_for_version(deserialize_version(envelope.payload.version))
4026 })
4027 .await;
4028
4029 let version = buffer.read_with(&cx, |buffer, _| buffer.version());
4030 let code_actions = this.update(&mut cx, |this, cx| {
4031 Ok::<_, anyhow::Error>(this.code_actions(&buffer, start..end, cx))
4032 })?;
4033
4034 Ok(proto::GetCodeActionsResponse {
4035 actions: code_actions
4036 .await?
4037 .iter()
4038 .map(language::proto::serialize_code_action)
4039 .collect(),
4040 version: serialize_version(&version),
4041 })
4042 }
4043
4044 async fn handle_apply_code_action(
4045 this: ModelHandle<Self>,
4046 envelope: TypedEnvelope<proto::ApplyCodeAction>,
4047 _: Arc<Client>,
4048 mut cx: AsyncAppContext,
4049 ) -> Result<proto::ApplyCodeActionResponse> {
4050 let sender_id = envelope.original_sender_id()?;
4051 let action = language::proto::deserialize_code_action(
4052 envelope
4053 .payload
4054 .action
4055 .ok_or_else(|| anyhow!("invalid action"))?,
4056 )?;
4057 let apply_code_action = this.update(&mut cx, |this, cx| {
4058 let buffer = this
4059 .opened_buffers
4060 .get(&envelope.payload.buffer_id)
4061 .and_then(|buffer| buffer.upgrade(cx))
4062 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
4063 Ok::<_, anyhow::Error>(this.apply_code_action(buffer, action, false, cx))
4064 })?;
4065
4066 let project_transaction = apply_code_action.await?;
4067 let project_transaction = this.update(&mut cx, |this, cx| {
4068 this.serialize_project_transaction_for_peer(project_transaction, sender_id, cx)
4069 });
4070 Ok(proto::ApplyCodeActionResponse {
4071 transaction: Some(project_transaction),
4072 })
4073 }
4074
4075 async fn handle_lsp_command<T: LspCommand>(
4076 this: ModelHandle<Self>,
4077 envelope: TypedEnvelope<T::ProtoRequest>,
4078 _: Arc<Client>,
4079 mut cx: AsyncAppContext,
4080 ) -> Result<<T::ProtoRequest as proto::RequestMessage>::Response>
4081 where
4082 <T::LspRequest as lsp::request::Request>::Result: Send,
4083 {
4084 let sender_id = envelope.original_sender_id()?;
4085 let buffer_id = T::buffer_id_from_proto(&envelope.payload);
4086 let buffer_handle = this.read_with(&cx, |this, _| {
4087 this.opened_buffers
4088 .get(&buffer_id)
4089 .and_then(|buffer| buffer.upgrade(&cx))
4090 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))
4091 })?;
4092 let request = T::from_proto(
4093 envelope.payload,
4094 this.clone(),
4095 buffer_handle.clone(),
4096 cx.clone(),
4097 )
4098 .await?;
4099 let buffer_version = buffer_handle.read_with(&cx, |buffer, _| buffer.version());
4100 let response = this
4101 .update(&mut cx, |this, cx| {
4102 this.request_lsp(buffer_handle, request, cx)
4103 })
4104 .await?;
4105 this.update(&mut cx, |this, cx| {
4106 Ok(T::response_to_proto(
4107 response,
4108 this,
4109 sender_id,
4110 &buffer_version,
4111 cx,
4112 ))
4113 })
4114 }
4115
4116 async fn handle_get_project_symbols(
4117 this: ModelHandle<Self>,
4118 envelope: TypedEnvelope<proto::GetProjectSymbols>,
4119 _: Arc<Client>,
4120 mut cx: AsyncAppContext,
4121 ) -> Result<proto::GetProjectSymbolsResponse> {
4122 let symbols = this
4123 .update(&mut cx, |this, cx| {
4124 this.symbols(&envelope.payload.query, cx)
4125 })
4126 .await?;
4127
4128 Ok(proto::GetProjectSymbolsResponse {
4129 symbols: symbols.iter().map(serialize_symbol).collect(),
4130 })
4131 }
4132
4133 async fn handle_search_project(
4134 this: ModelHandle<Self>,
4135 envelope: TypedEnvelope<proto::SearchProject>,
4136 _: Arc<Client>,
4137 mut cx: AsyncAppContext,
4138 ) -> Result<proto::SearchProjectResponse> {
4139 let peer_id = envelope.original_sender_id()?;
4140 let query = SearchQuery::from_proto(envelope.payload)?;
4141 let result = this
4142 .update(&mut cx, |this, cx| this.search(query, cx))
4143 .await?;
4144
4145 this.update(&mut cx, |this, cx| {
4146 let mut locations = Vec::new();
4147 for (buffer, ranges) in result {
4148 for range in ranges {
4149 let start = serialize_anchor(&range.start);
4150 let end = serialize_anchor(&range.end);
4151 let buffer = this.serialize_buffer_for_peer(&buffer, peer_id, cx);
4152 locations.push(proto::Location {
4153 buffer: Some(buffer),
4154 start: Some(start),
4155 end: Some(end),
4156 });
4157 }
4158 }
4159 Ok(proto::SearchProjectResponse { locations })
4160 })
4161 }
4162
4163 async fn handle_open_buffer_for_symbol(
4164 this: ModelHandle<Self>,
4165 envelope: TypedEnvelope<proto::OpenBufferForSymbol>,
4166 _: Arc<Client>,
4167 mut cx: AsyncAppContext,
4168 ) -> Result<proto::OpenBufferForSymbolResponse> {
4169 let peer_id = envelope.original_sender_id()?;
4170 let symbol = envelope
4171 .payload
4172 .symbol
4173 .ok_or_else(|| anyhow!("invalid symbol"))?;
4174 let symbol = this.read_with(&cx, |this, _| {
4175 let symbol = this.deserialize_symbol(symbol)?;
4176 let signature = this.symbol_signature(symbol.worktree_id, &symbol.path);
4177 if signature == symbol.signature {
4178 Ok(symbol)
4179 } else {
4180 Err(anyhow!("invalid symbol signature"))
4181 }
4182 })?;
4183 let buffer = this
4184 .update(&mut cx, |this, cx| this.open_buffer_for_symbol(&symbol, cx))
4185 .await?;
4186
4187 Ok(proto::OpenBufferForSymbolResponse {
4188 buffer: Some(this.update(&mut cx, |this, cx| {
4189 this.serialize_buffer_for_peer(&buffer, peer_id, cx)
4190 })),
4191 })
4192 }
4193
4194 fn symbol_signature(&self, worktree_id: WorktreeId, path: &Path) -> [u8; 32] {
4195 let mut hasher = Sha256::new();
4196 hasher.update(worktree_id.to_proto().to_be_bytes());
4197 hasher.update(path.to_string_lossy().as_bytes());
4198 hasher.update(self.nonce.to_be_bytes());
4199 hasher.finalize().as_slice().try_into().unwrap()
4200 }
4201
4202 async fn handle_open_buffer_by_id(
4203 this: ModelHandle<Self>,
4204 envelope: TypedEnvelope<proto::OpenBufferById>,
4205 _: Arc<Client>,
4206 mut cx: AsyncAppContext,
4207 ) -> Result<proto::OpenBufferResponse> {
4208 let peer_id = envelope.original_sender_id()?;
4209 let buffer = this
4210 .update(&mut cx, |this, cx| {
4211 this.open_buffer_by_id(envelope.payload.id, cx)
4212 })
4213 .await?;
4214 this.update(&mut cx, |this, cx| {
4215 Ok(proto::OpenBufferResponse {
4216 buffer: Some(this.serialize_buffer_for_peer(&buffer, peer_id, cx)),
4217 })
4218 })
4219 }
4220
4221 async fn handle_open_buffer_by_path(
4222 this: ModelHandle<Self>,
4223 envelope: TypedEnvelope<proto::OpenBufferByPath>,
4224 _: Arc<Client>,
4225 mut cx: AsyncAppContext,
4226 ) -> Result<proto::OpenBufferResponse> {
4227 let peer_id = envelope.original_sender_id()?;
4228 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
4229 let open_buffer = this.update(&mut cx, |this, cx| {
4230 this.open_buffer(
4231 ProjectPath {
4232 worktree_id,
4233 path: PathBuf::from(envelope.payload.path).into(),
4234 },
4235 cx,
4236 )
4237 });
4238
4239 let buffer = open_buffer.await?;
4240 this.update(&mut cx, |this, cx| {
4241 Ok(proto::OpenBufferResponse {
4242 buffer: Some(this.serialize_buffer_for_peer(&buffer, peer_id, cx)),
4243 })
4244 })
4245 }
4246
4247 fn serialize_project_transaction_for_peer(
4248 &mut self,
4249 project_transaction: ProjectTransaction,
4250 peer_id: PeerId,
4251 cx: &AppContext,
4252 ) -> proto::ProjectTransaction {
4253 let mut serialized_transaction = proto::ProjectTransaction {
4254 buffers: Default::default(),
4255 transactions: Default::default(),
4256 };
4257 for (buffer, transaction) in project_transaction.0 {
4258 serialized_transaction
4259 .buffers
4260 .push(self.serialize_buffer_for_peer(&buffer, peer_id, cx));
4261 serialized_transaction
4262 .transactions
4263 .push(language::proto::serialize_transaction(&transaction));
4264 }
4265 serialized_transaction
4266 }
4267
4268 fn deserialize_project_transaction(
4269 &mut self,
4270 message: proto::ProjectTransaction,
4271 push_to_history: bool,
4272 cx: &mut ModelContext<Self>,
4273 ) -> Task<Result<ProjectTransaction>> {
4274 cx.spawn(|this, mut cx| async move {
4275 let mut project_transaction = ProjectTransaction::default();
4276 for (buffer, transaction) in message.buffers.into_iter().zip(message.transactions) {
4277 let buffer = this
4278 .update(&mut cx, |this, cx| this.deserialize_buffer(buffer, cx))
4279 .await?;
4280 let transaction = language::proto::deserialize_transaction(transaction)?;
4281 project_transaction.0.insert(buffer, transaction);
4282 }
4283
4284 for (buffer, transaction) in &project_transaction.0 {
4285 buffer
4286 .update(&mut cx, |buffer, _| {
4287 buffer.wait_for_edits(transaction.edit_ids.iter().copied())
4288 })
4289 .await;
4290
4291 if push_to_history {
4292 buffer.update(&mut cx, |buffer, _| {
4293 buffer.push_transaction(transaction.clone(), Instant::now());
4294 });
4295 }
4296 }
4297
4298 Ok(project_transaction)
4299 })
4300 }
4301
4302 fn serialize_buffer_for_peer(
4303 &mut self,
4304 buffer: &ModelHandle<Buffer>,
4305 peer_id: PeerId,
4306 cx: &AppContext,
4307 ) -> proto::Buffer {
4308 let buffer_id = buffer.read(cx).remote_id();
4309 let shared_buffers = self.shared_buffers.entry(peer_id).or_default();
4310 if shared_buffers.insert(buffer_id) {
4311 proto::Buffer {
4312 variant: Some(proto::buffer::Variant::State(buffer.read(cx).to_proto())),
4313 }
4314 } else {
4315 proto::Buffer {
4316 variant: Some(proto::buffer::Variant::Id(buffer_id)),
4317 }
4318 }
4319 }
4320
4321 fn deserialize_buffer(
4322 &mut self,
4323 buffer: proto::Buffer,
4324 cx: &mut ModelContext<Self>,
4325 ) -> Task<Result<ModelHandle<Buffer>>> {
4326 let replica_id = self.replica_id();
4327
4328 let opened_buffer_tx = self.opened_buffer.0.clone();
4329 let mut opened_buffer_rx = self.opened_buffer.1.clone();
4330 cx.spawn(|this, mut cx| async move {
4331 match buffer.variant.ok_or_else(|| anyhow!("missing buffer"))? {
4332 proto::buffer::Variant::Id(id) => {
4333 let buffer = loop {
4334 let buffer = this.read_with(&cx, |this, cx| {
4335 this.opened_buffers
4336 .get(&id)
4337 .and_then(|buffer| buffer.upgrade(cx))
4338 });
4339 if let Some(buffer) = buffer {
4340 break buffer;
4341 }
4342 opened_buffer_rx
4343 .next()
4344 .await
4345 .ok_or_else(|| anyhow!("project dropped while waiting for buffer"))?;
4346 };
4347 Ok(buffer)
4348 }
4349 proto::buffer::Variant::State(mut buffer) => {
4350 let mut buffer_worktree = None;
4351 let mut buffer_file = None;
4352 if let Some(file) = buffer.file.take() {
4353 this.read_with(&cx, |this, cx| {
4354 let worktree_id = WorktreeId::from_proto(file.worktree_id);
4355 let worktree =
4356 this.worktree_for_id(worktree_id, cx).ok_or_else(|| {
4357 anyhow!("no worktree found for id {}", file.worktree_id)
4358 })?;
4359 buffer_file =
4360 Some(Box::new(File::from_proto(file, worktree.clone(), cx)?)
4361 as Box<dyn language::File>);
4362 buffer_worktree = Some(worktree);
4363 Ok::<_, anyhow::Error>(())
4364 })?;
4365 }
4366
4367 let buffer = cx.add_model(|cx| {
4368 Buffer::from_proto(replica_id, buffer, buffer_file, cx).unwrap()
4369 });
4370
4371 this.update(&mut cx, |this, cx| this.register_buffer(&buffer, cx))?;
4372
4373 *opened_buffer_tx.borrow_mut().borrow_mut() = ();
4374 Ok(buffer)
4375 }
4376 }
4377 })
4378 }
4379
4380 fn deserialize_symbol(&self, serialized_symbol: proto::Symbol) -> Result<Symbol> {
4381 let source_worktree_id = WorktreeId::from_proto(serialized_symbol.source_worktree_id);
4382 let worktree_id = WorktreeId::from_proto(serialized_symbol.worktree_id);
4383 let start = serialized_symbol
4384 .start
4385 .ok_or_else(|| anyhow!("invalid start"))?;
4386 let end = serialized_symbol
4387 .end
4388 .ok_or_else(|| anyhow!("invalid end"))?;
4389 let kind = unsafe { mem::transmute(serialized_symbol.kind) };
4390 let path = PathBuf::from(serialized_symbol.path);
4391 let language = self.languages.select_language(&path);
4392 Ok(Symbol {
4393 source_worktree_id,
4394 worktree_id,
4395 language_server_name: LanguageServerName(serialized_symbol.language_server_name.into()),
4396 label: language
4397 .and_then(|language| language.label_for_symbol(&serialized_symbol.name, kind))
4398 .unwrap_or_else(|| CodeLabel::plain(serialized_symbol.name.clone(), None)),
4399 name: serialized_symbol.name,
4400 path,
4401 range: PointUtf16::new(start.row, start.column)..PointUtf16::new(end.row, end.column),
4402 kind,
4403 signature: serialized_symbol
4404 .signature
4405 .try_into()
4406 .map_err(|_| anyhow!("invalid signature"))?,
4407 })
4408 }
4409
4410 async fn handle_buffer_saved(
4411 this: ModelHandle<Self>,
4412 envelope: TypedEnvelope<proto::BufferSaved>,
4413 _: Arc<Client>,
4414 mut cx: AsyncAppContext,
4415 ) -> Result<()> {
4416 let version = deserialize_version(envelope.payload.version);
4417 let mtime = envelope
4418 .payload
4419 .mtime
4420 .ok_or_else(|| anyhow!("missing mtime"))?
4421 .into();
4422
4423 this.update(&mut cx, |this, cx| {
4424 let buffer = this
4425 .opened_buffers
4426 .get(&envelope.payload.buffer_id)
4427 .and_then(|buffer| buffer.upgrade(cx));
4428 if let Some(buffer) = buffer {
4429 buffer.update(cx, |buffer, cx| {
4430 buffer.did_save(version, mtime, None, cx);
4431 });
4432 }
4433 Ok(())
4434 })
4435 }
4436
4437 async fn handle_buffer_reloaded(
4438 this: ModelHandle<Self>,
4439 envelope: TypedEnvelope<proto::BufferReloaded>,
4440 _: Arc<Client>,
4441 mut cx: AsyncAppContext,
4442 ) -> Result<()> {
4443 let payload = envelope.payload.clone();
4444 let version = deserialize_version(payload.version);
4445 let mtime = payload
4446 .mtime
4447 .ok_or_else(|| anyhow!("missing mtime"))?
4448 .into();
4449 this.update(&mut cx, |this, cx| {
4450 let buffer = this
4451 .opened_buffers
4452 .get(&payload.buffer_id)
4453 .and_then(|buffer| buffer.upgrade(cx));
4454 if let Some(buffer) = buffer {
4455 buffer.update(cx, |buffer, cx| {
4456 buffer.did_reload(version, mtime, cx);
4457 });
4458 }
4459 Ok(())
4460 })
4461 }
4462
4463 pub fn match_paths<'a>(
4464 &self,
4465 query: &'a str,
4466 include_ignored: bool,
4467 smart_case: bool,
4468 max_results: usize,
4469 cancel_flag: &'a AtomicBool,
4470 cx: &AppContext,
4471 ) -> impl 'a + Future<Output = Vec<PathMatch>> {
4472 let worktrees = self
4473 .worktrees(cx)
4474 .filter(|worktree| worktree.read(cx).is_visible())
4475 .collect::<Vec<_>>();
4476 let include_root_name = worktrees.len() > 1;
4477 let candidate_sets = worktrees
4478 .into_iter()
4479 .map(|worktree| CandidateSet {
4480 snapshot: worktree.read(cx).snapshot(),
4481 include_ignored,
4482 include_root_name,
4483 })
4484 .collect::<Vec<_>>();
4485
4486 let background = cx.background().clone();
4487 async move {
4488 fuzzy::match_paths(
4489 candidate_sets.as_slice(),
4490 query,
4491 smart_case,
4492 max_results,
4493 cancel_flag,
4494 background,
4495 )
4496 .await
4497 }
4498 }
4499
4500 fn edits_from_lsp(
4501 &mut self,
4502 buffer: &ModelHandle<Buffer>,
4503 lsp_edits: impl 'static + Send + IntoIterator<Item = lsp::TextEdit>,
4504 version: Option<i32>,
4505 cx: &mut ModelContext<Self>,
4506 ) -> Task<Result<Vec<(Range<Anchor>, String)>>> {
4507 let snapshot = self.buffer_snapshot_for_lsp_version(buffer, version, cx);
4508 cx.background().spawn(async move {
4509 let snapshot = snapshot?;
4510 let mut lsp_edits = lsp_edits
4511 .into_iter()
4512 .map(|edit| (range_from_lsp(edit.range), edit.new_text))
4513 .peekable();
4514
4515 let mut edits = Vec::new();
4516 while let Some((mut range, mut new_text)) = lsp_edits.next() {
4517 // Combine any LSP edits that are adjacent.
4518 //
4519 // Also, combine LSP edits that are separated from each other by only
4520 // a newline. This is important because for some code actions,
4521 // Rust-analyzer rewrites the entire buffer via a series of edits that
4522 // are separated by unchanged newline characters.
4523 //
4524 // In order for the diffing logic below to work properly, any edits that
4525 // cancel each other out must be combined into one.
4526 while let Some((next_range, next_text)) = lsp_edits.peek() {
4527 if next_range.start > range.end {
4528 if next_range.start.row > range.end.row + 1
4529 || next_range.start.column > 0
4530 || snapshot.clip_point_utf16(
4531 PointUtf16::new(range.end.row, u32::MAX),
4532 Bias::Left,
4533 ) > range.end
4534 {
4535 break;
4536 }
4537 new_text.push('\n');
4538 }
4539 range.end = next_range.end;
4540 new_text.push_str(&next_text);
4541 lsp_edits.next();
4542 }
4543
4544 if snapshot.clip_point_utf16(range.start, Bias::Left) != range.start
4545 || snapshot.clip_point_utf16(range.end, Bias::Left) != range.end
4546 {
4547 return Err(anyhow!("invalid edits received from language server"));
4548 }
4549
4550 // For multiline edits, perform a diff of the old and new text so that
4551 // we can identify the changes more precisely, preserving the locations
4552 // of any anchors positioned in the unchanged regions.
4553 if range.end.row > range.start.row {
4554 let mut offset = range.start.to_offset(&snapshot);
4555 let old_text = snapshot.text_for_range(range).collect::<String>();
4556
4557 let diff = TextDiff::from_lines(old_text.as_str(), &new_text);
4558 let mut moved_since_edit = true;
4559 for change in diff.iter_all_changes() {
4560 let tag = change.tag();
4561 let value = change.value();
4562 match tag {
4563 ChangeTag::Equal => {
4564 offset += value.len();
4565 moved_since_edit = true;
4566 }
4567 ChangeTag::Delete => {
4568 let start = snapshot.anchor_after(offset);
4569 let end = snapshot.anchor_before(offset + value.len());
4570 if moved_since_edit {
4571 edits.push((start..end, String::new()));
4572 } else {
4573 edits.last_mut().unwrap().0.end = end;
4574 }
4575 offset += value.len();
4576 moved_since_edit = false;
4577 }
4578 ChangeTag::Insert => {
4579 if moved_since_edit {
4580 let anchor = snapshot.anchor_after(offset);
4581 edits.push((anchor.clone()..anchor, value.to_string()));
4582 } else {
4583 edits.last_mut().unwrap().1.push_str(value);
4584 }
4585 moved_since_edit = false;
4586 }
4587 }
4588 }
4589 } else if range.end == range.start {
4590 let anchor = snapshot.anchor_after(range.start);
4591 edits.push((anchor.clone()..anchor, new_text));
4592 } else {
4593 let edit_start = snapshot.anchor_after(range.start);
4594 let edit_end = snapshot.anchor_before(range.end);
4595 edits.push((edit_start..edit_end, new_text));
4596 }
4597 }
4598
4599 Ok(edits)
4600 })
4601 }
4602
4603 fn buffer_snapshot_for_lsp_version(
4604 &mut self,
4605 buffer: &ModelHandle<Buffer>,
4606 version: Option<i32>,
4607 cx: &AppContext,
4608 ) -> Result<TextBufferSnapshot> {
4609 const OLD_VERSIONS_TO_RETAIN: i32 = 10;
4610
4611 if let Some(version) = version {
4612 let buffer_id = buffer.read(cx).remote_id();
4613 let snapshots = self
4614 .buffer_snapshots
4615 .get_mut(&buffer_id)
4616 .ok_or_else(|| anyhow!("no snapshot found for buffer {}", buffer_id))?;
4617 let mut found_snapshot = None;
4618 snapshots.retain(|(snapshot_version, snapshot)| {
4619 if snapshot_version + OLD_VERSIONS_TO_RETAIN < version {
4620 false
4621 } else {
4622 if *snapshot_version == version {
4623 found_snapshot = Some(snapshot.clone());
4624 }
4625 true
4626 }
4627 });
4628
4629 found_snapshot.ok_or_else(|| {
4630 anyhow!(
4631 "snapshot not found for buffer {} at version {}",
4632 buffer_id,
4633 version
4634 )
4635 })
4636 } else {
4637 Ok((buffer.read(cx)).text_snapshot())
4638 }
4639 }
4640
4641 fn language_server_for_buffer(
4642 &self,
4643 buffer: &Buffer,
4644 cx: &AppContext,
4645 ) -> Option<&(Arc<dyn LspAdapter>, Arc<LanguageServer>)> {
4646 if let Some((file, language)) = File::from_dyn(buffer.file()).zip(buffer.language()) {
4647 let worktree_id = file.worktree_id(cx);
4648 self.language_servers
4649 .get(&(worktree_id, language.lsp_adapter()?.name()))
4650 } else {
4651 None
4652 }
4653 }
4654}
4655
4656impl WorktreeHandle {
4657 pub fn upgrade(&self, cx: &AppContext) -> Option<ModelHandle<Worktree>> {
4658 match self {
4659 WorktreeHandle::Strong(handle) => Some(handle.clone()),
4660 WorktreeHandle::Weak(handle) => handle.upgrade(cx),
4661 }
4662 }
4663}
4664
4665impl OpenBuffer {
4666 pub fn upgrade(&self, cx: &impl UpgradeModelHandle) -> Option<ModelHandle<Buffer>> {
4667 match self {
4668 OpenBuffer::Strong(handle) => Some(handle.clone()),
4669 OpenBuffer::Weak(handle) => handle.upgrade(cx),
4670 OpenBuffer::Loading(_) => None,
4671 }
4672 }
4673}
4674
4675struct CandidateSet {
4676 snapshot: Snapshot,
4677 include_ignored: bool,
4678 include_root_name: bool,
4679}
4680
4681impl<'a> PathMatchCandidateSet<'a> for CandidateSet {
4682 type Candidates = CandidateSetIter<'a>;
4683
4684 fn id(&self) -> usize {
4685 self.snapshot.id().to_usize()
4686 }
4687
4688 fn len(&self) -> usize {
4689 if self.include_ignored {
4690 self.snapshot.file_count()
4691 } else {
4692 self.snapshot.visible_file_count()
4693 }
4694 }
4695
4696 fn prefix(&self) -> Arc<str> {
4697 if self.snapshot.root_entry().map_or(false, |e| e.is_file()) {
4698 self.snapshot.root_name().into()
4699 } else if self.include_root_name {
4700 format!("{}/", self.snapshot.root_name()).into()
4701 } else {
4702 "".into()
4703 }
4704 }
4705
4706 fn candidates(&'a self, start: usize) -> Self::Candidates {
4707 CandidateSetIter {
4708 traversal: self.snapshot.files(self.include_ignored, start),
4709 }
4710 }
4711}
4712
4713struct CandidateSetIter<'a> {
4714 traversal: Traversal<'a>,
4715}
4716
4717impl<'a> Iterator for CandidateSetIter<'a> {
4718 type Item = PathMatchCandidate<'a>;
4719
4720 fn next(&mut self) -> Option<Self::Item> {
4721 self.traversal.next().map(|entry| {
4722 if let EntryKind::File(char_bag) = entry.kind {
4723 PathMatchCandidate {
4724 path: &entry.path,
4725 char_bag,
4726 }
4727 } else {
4728 unreachable!()
4729 }
4730 })
4731 }
4732}
4733
4734impl Entity for Project {
4735 type Event = Event;
4736
4737 fn release(&mut self, _: &mut gpui::MutableAppContext) {
4738 match &self.client_state {
4739 ProjectClientState::Local { remote_id_rx, .. } => {
4740 if let Some(project_id) = *remote_id_rx.borrow() {
4741 self.client
4742 .send(proto::UnregisterProject { project_id })
4743 .log_err();
4744 }
4745 }
4746 ProjectClientState::Remote { remote_id, .. } => {
4747 self.client
4748 .send(proto::LeaveProject {
4749 project_id: *remote_id,
4750 })
4751 .log_err();
4752 }
4753 }
4754 }
4755
4756 fn app_will_quit(
4757 &mut self,
4758 _: &mut MutableAppContext,
4759 ) -> Option<std::pin::Pin<Box<dyn 'static + Future<Output = ()>>>> {
4760 let shutdown_futures = self
4761 .language_servers
4762 .drain()
4763 .filter_map(|(_, (_, server))| server.shutdown())
4764 .collect::<Vec<_>>();
4765 Some(
4766 async move {
4767 futures::future::join_all(shutdown_futures).await;
4768 }
4769 .boxed(),
4770 )
4771 }
4772}
4773
4774impl Collaborator {
4775 fn from_proto(
4776 message: proto::Collaborator,
4777 user_store: &ModelHandle<UserStore>,
4778 cx: &mut AsyncAppContext,
4779 ) -> impl Future<Output = Result<Self>> {
4780 let user = user_store.update(cx, |user_store, cx| {
4781 user_store.fetch_user(message.user_id, cx)
4782 });
4783
4784 async move {
4785 Ok(Self {
4786 peer_id: PeerId(message.peer_id),
4787 user: user.await?,
4788 replica_id: message.replica_id as ReplicaId,
4789 })
4790 }
4791 }
4792}
4793
4794impl<P: AsRef<Path>> From<(WorktreeId, P)> for ProjectPath {
4795 fn from((worktree_id, path): (WorktreeId, P)) -> Self {
4796 Self {
4797 worktree_id,
4798 path: path.as_ref().into(),
4799 }
4800 }
4801}
4802
4803impl From<lsp::CreateFileOptions> for fs::CreateOptions {
4804 fn from(options: lsp::CreateFileOptions) -> Self {
4805 Self {
4806 overwrite: options.overwrite.unwrap_or(false),
4807 ignore_if_exists: options.ignore_if_exists.unwrap_or(false),
4808 }
4809 }
4810}
4811
4812impl From<lsp::RenameFileOptions> for fs::RenameOptions {
4813 fn from(options: lsp::RenameFileOptions) -> Self {
4814 Self {
4815 overwrite: options.overwrite.unwrap_or(false),
4816 ignore_if_exists: options.ignore_if_exists.unwrap_or(false),
4817 }
4818 }
4819}
4820
4821impl From<lsp::DeleteFileOptions> for fs::RemoveOptions {
4822 fn from(options: lsp::DeleteFileOptions) -> Self {
4823 Self {
4824 recursive: options.recursive.unwrap_or(false),
4825 ignore_if_not_exists: options.ignore_if_not_exists.unwrap_or(false),
4826 }
4827 }
4828}
4829
4830fn serialize_symbol(symbol: &Symbol) -> proto::Symbol {
4831 proto::Symbol {
4832 source_worktree_id: symbol.source_worktree_id.to_proto(),
4833 worktree_id: symbol.worktree_id.to_proto(),
4834 language_server_name: symbol.language_server_name.0.to_string(),
4835 name: symbol.name.clone(),
4836 kind: unsafe { mem::transmute(symbol.kind) },
4837 path: symbol.path.to_string_lossy().to_string(),
4838 start: Some(proto::Point {
4839 row: symbol.range.start.row,
4840 column: symbol.range.start.column,
4841 }),
4842 end: Some(proto::Point {
4843 row: symbol.range.end.row,
4844 column: symbol.range.end.column,
4845 }),
4846 signature: symbol.signature.to_vec(),
4847 }
4848}
4849
4850fn relativize_path(base: &Path, path: &Path) -> PathBuf {
4851 let mut path_components = path.components();
4852 let mut base_components = base.components();
4853 let mut components: Vec<Component> = Vec::new();
4854 loop {
4855 match (path_components.next(), base_components.next()) {
4856 (None, None) => break,
4857 (Some(a), None) => {
4858 components.push(a);
4859 components.extend(path_components.by_ref());
4860 break;
4861 }
4862 (None, _) => components.push(Component::ParentDir),
4863 (Some(a), Some(b)) if components.is_empty() && a == b => (),
4864 (Some(a), Some(b)) if b == Component::CurDir => components.push(a),
4865 (Some(a), Some(_)) => {
4866 components.push(Component::ParentDir);
4867 for _ in base_components {
4868 components.push(Component::ParentDir);
4869 }
4870 components.push(a);
4871 components.extend(path_components.by_ref());
4872 break;
4873 }
4874 }
4875 }
4876 components.iter().map(|c| c.as_os_str()).collect()
4877}
4878
4879impl Item for Buffer {
4880 fn entry_id(&self, cx: &AppContext) -> Option<ProjectEntryId> {
4881 File::from_dyn(self.file()).and_then(|file| file.project_entry_id(cx))
4882 }
4883}
4884
4885#[cfg(test)]
4886mod tests {
4887 use super::{Event, *};
4888 use fs::RealFs;
4889 use futures::{future, StreamExt};
4890 use gpui::test::subscribe;
4891 use language::{
4892 tree_sitter_rust, Diagnostic, FakeLspAdapter, LanguageConfig, OffsetRangeExt, Point,
4893 ToPoint,
4894 };
4895 use lsp::Url;
4896 use serde_json::json;
4897 use std::{cell::RefCell, os::unix, path::PathBuf, rc::Rc, task::Poll};
4898 use unindent::Unindent as _;
4899 use util::{assert_set_eq, test::temp_tree};
4900 use worktree::WorktreeHandle as _;
4901
4902 #[gpui::test]
4903 async fn test_populate_and_search(cx: &mut gpui::TestAppContext) {
4904 let dir = temp_tree(json!({
4905 "root": {
4906 "apple": "",
4907 "banana": {
4908 "carrot": {
4909 "date": "",
4910 "endive": "",
4911 }
4912 },
4913 "fennel": {
4914 "grape": "",
4915 }
4916 }
4917 }));
4918
4919 let root_link_path = dir.path().join("root_link");
4920 unix::fs::symlink(&dir.path().join("root"), &root_link_path).unwrap();
4921 unix::fs::symlink(
4922 &dir.path().join("root/fennel"),
4923 &dir.path().join("root/finnochio"),
4924 )
4925 .unwrap();
4926
4927 let project = Project::test(Arc::new(RealFs), cx);
4928
4929 let (tree, _) = project
4930 .update(cx, |project, cx| {
4931 project.find_or_create_local_worktree(&root_link_path, true, cx)
4932 })
4933 .await
4934 .unwrap();
4935
4936 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
4937 .await;
4938 cx.read(|cx| {
4939 let tree = tree.read(cx);
4940 assert_eq!(tree.file_count(), 5);
4941 assert_eq!(
4942 tree.inode_for_path("fennel/grape"),
4943 tree.inode_for_path("finnochio/grape")
4944 );
4945 });
4946
4947 let cancel_flag = Default::default();
4948 let results = project
4949 .read_with(cx, |project, cx| {
4950 project.match_paths("bna", false, false, 10, &cancel_flag, cx)
4951 })
4952 .await;
4953 assert_eq!(
4954 results
4955 .into_iter()
4956 .map(|result| result.path)
4957 .collect::<Vec<Arc<Path>>>(),
4958 vec![
4959 PathBuf::from("banana/carrot/date").into(),
4960 PathBuf::from("banana/carrot/endive").into(),
4961 ]
4962 );
4963 }
4964
4965 #[gpui::test]
4966 async fn test_managing_language_servers(cx: &mut gpui::TestAppContext) {
4967 cx.foreground().forbid_parking();
4968
4969 let mut rust_language = Language::new(
4970 LanguageConfig {
4971 name: "Rust".into(),
4972 path_suffixes: vec!["rs".to_string()],
4973 ..Default::default()
4974 },
4975 Some(tree_sitter_rust::language()),
4976 );
4977 let mut json_language = Language::new(
4978 LanguageConfig {
4979 name: "JSON".into(),
4980 path_suffixes: vec!["json".to_string()],
4981 ..Default::default()
4982 },
4983 None,
4984 );
4985 let mut fake_rust_servers = rust_language.set_fake_lsp_adapter(FakeLspAdapter {
4986 name: "the-rust-language-server",
4987 capabilities: lsp::ServerCapabilities {
4988 completion_provider: Some(lsp::CompletionOptions {
4989 trigger_characters: Some(vec![".".to_string(), "::".to_string()]),
4990 ..Default::default()
4991 }),
4992 ..Default::default()
4993 },
4994 ..Default::default()
4995 });
4996 let mut fake_json_servers = json_language.set_fake_lsp_adapter(FakeLspAdapter {
4997 name: "the-json-language-server",
4998 capabilities: lsp::ServerCapabilities {
4999 completion_provider: Some(lsp::CompletionOptions {
5000 trigger_characters: Some(vec![":".to_string()]),
5001 ..Default::default()
5002 }),
5003 ..Default::default()
5004 },
5005 ..Default::default()
5006 });
5007
5008 let fs = FakeFs::new(cx.background());
5009 fs.insert_tree(
5010 "/the-root",
5011 json!({
5012 "test.rs": "const A: i32 = 1;",
5013 "test2.rs": "",
5014 "Cargo.toml": "a = 1",
5015 "package.json": "{\"a\": 1}",
5016 }),
5017 )
5018 .await;
5019
5020 let project = Project::test(fs.clone(), cx);
5021 project.update(cx, |project, _| {
5022 project.languages.add(Arc::new(rust_language));
5023 project.languages.add(Arc::new(json_language));
5024 });
5025
5026 let worktree_id = project
5027 .update(cx, |project, cx| {
5028 project.find_or_create_local_worktree("/the-root", true, cx)
5029 })
5030 .await
5031 .unwrap()
5032 .0
5033 .read_with(cx, |tree, _| tree.id());
5034
5035 // Open a buffer without an associated language server.
5036 let toml_buffer = project
5037 .update(cx, |project, cx| {
5038 project.open_buffer((worktree_id, "Cargo.toml"), cx)
5039 })
5040 .await
5041 .unwrap();
5042
5043 // Open a buffer with an associated language server.
5044 let rust_buffer = project
5045 .update(cx, |project, cx| {
5046 project.open_buffer((worktree_id, "test.rs"), cx)
5047 })
5048 .await
5049 .unwrap();
5050
5051 // A server is started up, and it is notified about Rust files.
5052 let mut fake_rust_server = fake_rust_servers.next().await.unwrap();
5053 assert_eq!(
5054 fake_rust_server
5055 .receive_notification::<lsp::notification::DidOpenTextDocument>()
5056 .await
5057 .text_document,
5058 lsp::TextDocumentItem {
5059 uri: lsp::Url::from_file_path("/the-root/test.rs").unwrap(),
5060 version: 0,
5061 text: "const A: i32 = 1;".to_string(),
5062 language_id: Default::default()
5063 }
5064 );
5065
5066 // The buffer is configured based on the language server's capabilities.
5067 rust_buffer.read_with(cx, |buffer, _| {
5068 assert_eq!(
5069 buffer.completion_triggers(),
5070 &[".".to_string(), "::".to_string()]
5071 );
5072 });
5073 toml_buffer.read_with(cx, |buffer, _| {
5074 assert!(buffer.completion_triggers().is_empty());
5075 });
5076
5077 // Edit a buffer. The changes are reported to the language server.
5078 rust_buffer.update(cx, |buffer, cx| buffer.edit([16..16], "2", cx));
5079 assert_eq!(
5080 fake_rust_server
5081 .receive_notification::<lsp::notification::DidChangeTextDocument>()
5082 .await
5083 .text_document,
5084 lsp::VersionedTextDocumentIdentifier::new(
5085 lsp::Url::from_file_path("/the-root/test.rs").unwrap(),
5086 1
5087 )
5088 );
5089
5090 // Open a third buffer with a different associated language server.
5091 let json_buffer = project
5092 .update(cx, |project, cx| {
5093 project.open_buffer((worktree_id, "package.json"), cx)
5094 })
5095 .await
5096 .unwrap();
5097
5098 // A json language server is started up and is only notified about the json buffer.
5099 let mut fake_json_server = fake_json_servers.next().await.unwrap();
5100 assert_eq!(
5101 fake_json_server
5102 .receive_notification::<lsp::notification::DidOpenTextDocument>()
5103 .await
5104 .text_document,
5105 lsp::TextDocumentItem {
5106 uri: lsp::Url::from_file_path("/the-root/package.json").unwrap(),
5107 version: 0,
5108 text: "{\"a\": 1}".to_string(),
5109 language_id: Default::default()
5110 }
5111 );
5112
5113 // This buffer is configured based on the second language server's
5114 // capabilities.
5115 json_buffer.read_with(cx, |buffer, _| {
5116 assert_eq!(buffer.completion_triggers(), &[":".to_string()]);
5117 });
5118
5119 // When opening another buffer whose language server is already running,
5120 // it is also configured based on the existing language server's capabilities.
5121 let rust_buffer2 = project
5122 .update(cx, |project, cx| {
5123 project.open_buffer((worktree_id, "test2.rs"), cx)
5124 })
5125 .await
5126 .unwrap();
5127 rust_buffer2.read_with(cx, |buffer, _| {
5128 assert_eq!(
5129 buffer.completion_triggers(),
5130 &[".".to_string(), "::".to_string()]
5131 );
5132 });
5133
5134 // Changes are reported only to servers matching the buffer's language.
5135 toml_buffer.update(cx, |buffer, cx| buffer.edit([5..5], "23", cx));
5136 rust_buffer2.update(cx, |buffer, cx| buffer.edit([0..0], "let x = 1;", cx));
5137 assert_eq!(
5138 fake_rust_server
5139 .receive_notification::<lsp::notification::DidChangeTextDocument>()
5140 .await
5141 .text_document,
5142 lsp::VersionedTextDocumentIdentifier::new(
5143 lsp::Url::from_file_path("/the-root/test2.rs").unwrap(),
5144 1
5145 )
5146 );
5147
5148 // Save notifications are reported to all servers.
5149 toml_buffer
5150 .update(cx, |buffer, cx| buffer.save(cx))
5151 .await
5152 .unwrap();
5153 assert_eq!(
5154 fake_rust_server
5155 .receive_notification::<lsp::notification::DidSaveTextDocument>()
5156 .await
5157 .text_document,
5158 lsp::TextDocumentIdentifier::new(
5159 lsp::Url::from_file_path("/the-root/Cargo.toml").unwrap()
5160 )
5161 );
5162 assert_eq!(
5163 fake_json_server
5164 .receive_notification::<lsp::notification::DidSaveTextDocument>()
5165 .await
5166 .text_document,
5167 lsp::TextDocumentIdentifier::new(
5168 lsp::Url::from_file_path("/the-root/Cargo.toml").unwrap()
5169 )
5170 );
5171
5172 // Renames are reported only to servers matching the buffer's language.
5173 fs.rename(
5174 Path::new("/the-root/test2.rs"),
5175 Path::new("/the-root/test3.rs"),
5176 Default::default(),
5177 )
5178 .await
5179 .unwrap();
5180 assert_eq!(
5181 fake_rust_server
5182 .receive_notification::<lsp::notification::DidCloseTextDocument>()
5183 .await
5184 .text_document,
5185 lsp::TextDocumentIdentifier::new(
5186 lsp::Url::from_file_path("/the-root/test2.rs").unwrap()
5187 ),
5188 );
5189 assert_eq!(
5190 fake_rust_server
5191 .receive_notification::<lsp::notification::DidOpenTextDocument>()
5192 .await
5193 .text_document,
5194 lsp::TextDocumentItem {
5195 uri: lsp::Url::from_file_path("/the-root/test3.rs").unwrap(),
5196 version: 0,
5197 text: rust_buffer2.read_with(cx, |buffer, _| buffer.text()),
5198 language_id: Default::default()
5199 },
5200 );
5201
5202 rust_buffer2.update(cx, |buffer, cx| {
5203 buffer.update_diagnostics(
5204 DiagnosticSet::from_sorted_entries(
5205 vec![DiagnosticEntry {
5206 diagnostic: Default::default(),
5207 range: Anchor::MIN..Anchor::MAX,
5208 }],
5209 &buffer.snapshot(),
5210 ),
5211 cx,
5212 );
5213 assert_eq!(
5214 buffer
5215 .snapshot()
5216 .diagnostics_in_range::<_, usize>(0..buffer.len(), false)
5217 .count(),
5218 1
5219 );
5220 });
5221
5222 // When the rename changes the extension of the file, the buffer gets closed on the old
5223 // language server and gets opened on the new one.
5224 fs.rename(
5225 Path::new("/the-root/test3.rs"),
5226 Path::new("/the-root/test3.json"),
5227 Default::default(),
5228 )
5229 .await
5230 .unwrap();
5231 assert_eq!(
5232 fake_rust_server
5233 .receive_notification::<lsp::notification::DidCloseTextDocument>()
5234 .await
5235 .text_document,
5236 lsp::TextDocumentIdentifier::new(
5237 lsp::Url::from_file_path("/the-root/test3.rs").unwrap(),
5238 ),
5239 );
5240 assert_eq!(
5241 fake_json_server
5242 .receive_notification::<lsp::notification::DidOpenTextDocument>()
5243 .await
5244 .text_document,
5245 lsp::TextDocumentItem {
5246 uri: lsp::Url::from_file_path("/the-root/test3.json").unwrap(),
5247 version: 0,
5248 text: rust_buffer2.read_with(cx, |buffer, _| buffer.text()),
5249 language_id: Default::default()
5250 },
5251 );
5252 // We clear the diagnostics, since the language has changed.
5253 rust_buffer2.read_with(cx, |buffer, _| {
5254 assert_eq!(
5255 buffer
5256 .snapshot()
5257 .diagnostics_in_range::<_, usize>(0..buffer.len(), false)
5258 .count(),
5259 0
5260 );
5261 });
5262
5263 // The renamed file's version resets after changing language server.
5264 rust_buffer2.update(cx, |buffer, cx| buffer.edit([0..0], "// ", cx));
5265 assert_eq!(
5266 fake_json_server
5267 .receive_notification::<lsp::notification::DidChangeTextDocument>()
5268 .await
5269 .text_document,
5270 lsp::VersionedTextDocumentIdentifier::new(
5271 lsp::Url::from_file_path("/the-root/test3.json").unwrap(),
5272 1
5273 )
5274 );
5275
5276 // Restart language servers
5277 project.update(cx, |project, cx| {
5278 project.restart_language_servers_for_buffers(
5279 vec![rust_buffer.clone(), json_buffer.clone()],
5280 cx,
5281 );
5282 });
5283
5284 let mut rust_shutdown_requests = fake_rust_server
5285 .handle_request::<lsp::request::Shutdown, _, _>(|_, _| future::ready(Ok(())));
5286 let mut json_shutdown_requests = fake_json_server
5287 .handle_request::<lsp::request::Shutdown, _, _>(|_, _| future::ready(Ok(())));
5288 futures::join!(rust_shutdown_requests.next(), json_shutdown_requests.next());
5289
5290 let mut fake_rust_server = fake_rust_servers.next().await.unwrap();
5291 let mut fake_json_server = fake_json_servers.next().await.unwrap();
5292
5293 // Ensure rust document is reopened in new rust language server
5294 assert_eq!(
5295 fake_rust_server
5296 .receive_notification::<lsp::notification::DidOpenTextDocument>()
5297 .await
5298 .text_document,
5299 lsp::TextDocumentItem {
5300 uri: lsp::Url::from_file_path("/the-root/test.rs").unwrap(),
5301 version: 1,
5302 text: rust_buffer.read_with(cx, |buffer, _| buffer.text()),
5303 language_id: Default::default()
5304 }
5305 );
5306
5307 // Ensure json documents are reopened in new json language server
5308 assert_set_eq!(
5309 [
5310 fake_json_server
5311 .receive_notification::<lsp::notification::DidOpenTextDocument>()
5312 .await
5313 .text_document,
5314 fake_json_server
5315 .receive_notification::<lsp::notification::DidOpenTextDocument>()
5316 .await
5317 .text_document,
5318 ],
5319 [
5320 lsp::TextDocumentItem {
5321 uri: lsp::Url::from_file_path("/the-root/package.json").unwrap(),
5322 version: 0,
5323 text: json_buffer.read_with(cx, |buffer, _| buffer.text()),
5324 language_id: Default::default()
5325 },
5326 lsp::TextDocumentItem {
5327 uri: lsp::Url::from_file_path("/the-root/test3.json").unwrap(),
5328 version: 1,
5329 text: rust_buffer2.read_with(cx, |buffer, _| buffer.text()),
5330 language_id: Default::default()
5331 }
5332 ]
5333 );
5334
5335 // Close notifications are reported only to servers matching the buffer's language.
5336 cx.update(|_| drop(json_buffer));
5337 let close_message = lsp::DidCloseTextDocumentParams {
5338 text_document: lsp::TextDocumentIdentifier::new(
5339 lsp::Url::from_file_path("/the-root/package.json").unwrap(),
5340 ),
5341 };
5342 assert_eq!(
5343 fake_json_server
5344 .receive_notification::<lsp::notification::DidCloseTextDocument>()
5345 .await,
5346 close_message,
5347 );
5348 }
5349
5350 #[gpui::test]
5351 async fn test_single_file_worktrees_diagnostics(cx: &mut gpui::TestAppContext) {
5352 cx.foreground().forbid_parking();
5353
5354 let fs = FakeFs::new(cx.background());
5355 fs.insert_tree(
5356 "/dir",
5357 json!({
5358 "a.rs": "let a = 1;",
5359 "b.rs": "let b = 2;"
5360 }),
5361 )
5362 .await;
5363
5364 let project = Project::test(fs, cx);
5365 let worktree_a_id = project
5366 .update(cx, |project, cx| {
5367 project.find_or_create_local_worktree("/dir/a.rs", true, cx)
5368 })
5369 .await
5370 .unwrap()
5371 .0
5372 .read_with(cx, |tree, _| tree.id());
5373 let worktree_b_id = project
5374 .update(cx, |project, cx| {
5375 project.find_or_create_local_worktree("/dir/b.rs", true, cx)
5376 })
5377 .await
5378 .unwrap()
5379 .0
5380 .read_with(cx, |tree, _| tree.id());
5381
5382 let buffer_a = project
5383 .update(cx, |project, cx| {
5384 project.open_buffer((worktree_a_id, ""), cx)
5385 })
5386 .await
5387 .unwrap();
5388 let buffer_b = project
5389 .update(cx, |project, cx| {
5390 project.open_buffer((worktree_b_id, ""), cx)
5391 })
5392 .await
5393 .unwrap();
5394
5395 project.update(cx, |project, cx| {
5396 project
5397 .update_diagnostics(
5398 lsp::PublishDiagnosticsParams {
5399 uri: Url::from_file_path("/dir/a.rs").unwrap(),
5400 version: None,
5401 diagnostics: vec![lsp::Diagnostic {
5402 range: lsp::Range::new(
5403 lsp::Position::new(0, 4),
5404 lsp::Position::new(0, 5),
5405 ),
5406 severity: Some(lsp::DiagnosticSeverity::ERROR),
5407 message: "error 1".to_string(),
5408 ..Default::default()
5409 }],
5410 },
5411 &[],
5412 cx,
5413 )
5414 .unwrap();
5415 project
5416 .update_diagnostics(
5417 lsp::PublishDiagnosticsParams {
5418 uri: Url::from_file_path("/dir/b.rs").unwrap(),
5419 version: None,
5420 diagnostics: vec![lsp::Diagnostic {
5421 range: lsp::Range::new(
5422 lsp::Position::new(0, 4),
5423 lsp::Position::new(0, 5),
5424 ),
5425 severity: Some(lsp::DiagnosticSeverity::WARNING),
5426 message: "error 2".to_string(),
5427 ..Default::default()
5428 }],
5429 },
5430 &[],
5431 cx,
5432 )
5433 .unwrap();
5434 });
5435
5436 buffer_a.read_with(cx, |buffer, _| {
5437 let chunks = chunks_with_diagnostics(&buffer, 0..buffer.len());
5438 assert_eq!(
5439 chunks
5440 .iter()
5441 .map(|(s, d)| (s.as_str(), *d))
5442 .collect::<Vec<_>>(),
5443 &[
5444 ("let ", None),
5445 ("a", Some(DiagnosticSeverity::ERROR)),
5446 (" = 1;", None),
5447 ]
5448 );
5449 });
5450 buffer_b.read_with(cx, |buffer, _| {
5451 let chunks = chunks_with_diagnostics(&buffer, 0..buffer.len());
5452 assert_eq!(
5453 chunks
5454 .iter()
5455 .map(|(s, d)| (s.as_str(), *d))
5456 .collect::<Vec<_>>(),
5457 &[
5458 ("let ", None),
5459 ("b", Some(DiagnosticSeverity::WARNING)),
5460 (" = 2;", None),
5461 ]
5462 );
5463 });
5464 }
5465
5466 #[gpui::test]
5467 async fn test_disk_based_diagnostics_progress(cx: &mut gpui::TestAppContext) {
5468 cx.foreground().forbid_parking();
5469
5470 let progress_token = "the-progress-token";
5471 let mut language = Language::new(
5472 LanguageConfig {
5473 name: "Rust".into(),
5474 path_suffixes: vec!["rs".to_string()],
5475 ..Default::default()
5476 },
5477 Some(tree_sitter_rust::language()),
5478 );
5479 let mut fake_servers = language.set_fake_lsp_adapter(FakeLspAdapter {
5480 disk_based_diagnostics_progress_token: Some(progress_token),
5481 disk_based_diagnostics_sources: &["disk"],
5482 ..Default::default()
5483 });
5484
5485 let fs = FakeFs::new(cx.background());
5486 fs.insert_tree(
5487 "/dir",
5488 json!({
5489 "a.rs": "fn a() { A }",
5490 "b.rs": "const y: i32 = 1",
5491 }),
5492 )
5493 .await;
5494
5495 let project = Project::test(fs, cx);
5496 project.update(cx, |project, _| project.languages.add(Arc::new(language)));
5497
5498 let (tree, _) = project
5499 .update(cx, |project, cx| {
5500 project.find_or_create_local_worktree("/dir", true, cx)
5501 })
5502 .await
5503 .unwrap();
5504 let worktree_id = tree.read_with(cx, |tree, _| tree.id());
5505
5506 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
5507 .await;
5508
5509 // Cause worktree to start the fake language server
5510 let _buffer = project
5511 .update(cx, |project, cx| {
5512 project.open_buffer((worktree_id, Path::new("b.rs")), cx)
5513 })
5514 .await
5515 .unwrap();
5516
5517 let mut events = subscribe(&project, cx);
5518
5519 let mut fake_server = fake_servers.next().await.unwrap();
5520 fake_server.start_progress(progress_token).await;
5521 assert_eq!(
5522 events.next().await.unwrap(),
5523 Event::DiskBasedDiagnosticsStarted
5524 );
5525
5526 fake_server.start_progress(progress_token).await;
5527 fake_server.end_progress(progress_token).await;
5528 fake_server.start_progress(progress_token).await;
5529
5530 fake_server.notify::<lsp::notification::PublishDiagnostics>(
5531 lsp::PublishDiagnosticsParams {
5532 uri: Url::from_file_path("/dir/a.rs").unwrap(),
5533 version: None,
5534 diagnostics: vec![lsp::Diagnostic {
5535 range: lsp::Range::new(lsp::Position::new(0, 9), lsp::Position::new(0, 10)),
5536 severity: Some(lsp::DiagnosticSeverity::ERROR),
5537 message: "undefined variable 'A'".to_string(),
5538 ..Default::default()
5539 }],
5540 },
5541 );
5542 assert_eq!(
5543 events.next().await.unwrap(),
5544 Event::DiagnosticsUpdated((worktree_id, Path::new("a.rs")).into())
5545 );
5546
5547 fake_server.end_progress(progress_token).await;
5548 fake_server.end_progress(progress_token).await;
5549 assert_eq!(
5550 events.next().await.unwrap(),
5551 Event::DiskBasedDiagnosticsUpdated
5552 );
5553 assert_eq!(
5554 events.next().await.unwrap(),
5555 Event::DiskBasedDiagnosticsFinished
5556 );
5557
5558 let buffer = project
5559 .update(cx, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx))
5560 .await
5561 .unwrap();
5562
5563 buffer.read_with(cx, |buffer, _| {
5564 let snapshot = buffer.snapshot();
5565 let diagnostics = snapshot
5566 .diagnostics_in_range::<_, Point>(0..buffer.len(), false)
5567 .collect::<Vec<_>>();
5568 assert_eq!(
5569 diagnostics,
5570 &[DiagnosticEntry {
5571 range: Point::new(0, 9)..Point::new(0, 10),
5572 diagnostic: Diagnostic {
5573 severity: lsp::DiagnosticSeverity::ERROR,
5574 message: "undefined variable 'A'".to_string(),
5575 group_id: 0,
5576 is_primary: true,
5577 ..Default::default()
5578 }
5579 }]
5580 )
5581 });
5582
5583 // Ensure publishing empty diagnostics twice only results in one update event.
5584 fake_server.notify::<lsp::notification::PublishDiagnostics>(
5585 lsp::PublishDiagnosticsParams {
5586 uri: Url::from_file_path("/dir/a.rs").unwrap(),
5587 version: None,
5588 diagnostics: Default::default(),
5589 },
5590 );
5591 assert_eq!(
5592 events.next().await.unwrap(),
5593 Event::DiagnosticsUpdated((worktree_id, Path::new("a.rs")).into())
5594 );
5595
5596 fake_server.notify::<lsp::notification::PublishDiagnostics>(
5597 lsp::PublishDiagnosticsParams {
5598 uri: Url::from_file_path("/dir/a.rs").unwrap(),
5599 version: None,
5600 diagnostics: Default::default(),
5601 },
5602 );
5603 cx.foreground().run_until_parked();
5604 assert_eq!(futures::poll!(events.next()), Poll::Pending);
5605 }
5606
5607 #[gpui::test]
5608 async fn test_restarting_server_with_diagnostics_running(cx: &mut gpui::TestAppContext) {
5609 cx.foreground().forbid_parking();
5610
5611 let progress_token = "the-progress-token";
5612 let mut language = Language::new(
5613 LanguageConfig {
5614 path_suffixes: vec!["rs".to_string()],
5615 ..Default::default()
5616 },
5617 None,
5618 );
5619 let mut fake_servers = language.set_fake_lsp_adapter(FakeLspAdapter {
5620 disk_based_diagnostics_sources: &["disk"],
5621 disk_based_diagnostics_progress_token: Some(progress_token),
5622 ..Default::default()
5623 });
5624
5625 let fs = FakeFs::new(cx.background());
5626 fs.insert_tree("/dir", json!({ "a.rs": "" })).await;
5627
5628 let project = Project::test(fs, cx);
5629 project.update(cx, |project, _| project.languages.add(Arc::new(language)));
5630
5631 let worktree_id = project
5632 .update(cx, |project, cx| {
5633 project.find_or_create_local_worktree("/dir", true, cx)
5634 })
5635 .await
5636 .unwrap()
5637 .0
5638 .read_with(cx, |tree, _| tree.id());
5639
5640 let buffer = project
5641 .update(cx, |project, cx| {
5642 project.open_buffer((worktree_id, "a.rs"), cx)
5643 })
5644 .await
5645 .unwrap();
5646
5647 // Simulate diagnostics starting to update.
5648 let mut fake_server = fake_servers.next().await.unwrap();
5649 fake_server.start_progress(progress_token).await;
5650
5651 // Restart the server before the diagnostics finish updating.
5652 project.update(cx, |project, cx| {
5653 project.restart_language_servers_for_buffers([buffer], cx);
5654 });
5655 let mut events = subscribe(&project, cx);
5656
5657 // Simulate the newly started server sending more diagnostics.
5658 let mut fake_server = fake_servers.next().await.unwrap();
5659 fake_server.start_progress(progress_token).await;
5660 assert_eq!(
5661 events.next().await.unwrap(),
5662 Event::DiskBasedDiagnosticsStarted
5663 );
5664
5665 // All diagnostics are considered done, despite the old server's diagnostic
5666 // task never completing.
5667 fake_server.end_progress(progress_token).await;
5668 assert_eq!(
5669 events.next().await.unwrap(),
5670 Event::DiskBasedDiagnosticsUpdated
5671 );
5672 assert_eq!(
5673 events.next().await.unwrap(),
5674 Event::DiskBasedDiagnosticsFinished
5675 );
5676 project.read_with(cx, |project, _| {
5677 assert!(!project.is_running_disk_based_diagnostics());
5678 });
5679 }
5680
5681 #[gpui::test]
5682 async fn test_transforming_diagnostics(cx: &mut gpui::TestAppContext) {
5683 cx.foreground().forbid_parking();
5684
5685 let mut language = Language::new(
5686 LanguageConfig {
5687 name: "Rust".into(),
5688 path_suffixes: vec!["rs".to_string()],
5689 ..Default::default()
5690 },
5691 Some(tree_sitter_rust::language()),
5692 );
5693 let mut fake_servers = language.set_fake_lsp_adapter(FakeLspAdapter {
5694 disk_based_diagnostics_sources: &["disk"],
5695 ..Default::default()
5696 });
5697
5698 let text = "
5699 fn a() { A }
5700 fn b() { BB }
5701 fn c() { CCC }
5702 "
5703 .unindent();
5704
5705 let fs = FakeFs::new(cx.background());
5706 fs.insert_tree("/dir", json!({ "a.rs": text })).await;
5707
5708 let project = Project::test(fs, cx);
5709 project.update(cx, |project, _| project.languages.add(Arc::new(language)));
5710
5711 let worktree_id = project
5712 .update(cx, |project, cx| {
5713 project.find_or_create_local_worktree("/dir", true, cx)
5714 })
5715 .await
5716 .unwrap()
5717 .0
5718 .read_with(cx, |tree, _| tree.id());
5719
5720 let buffer = project
5721 .update(cx, |project, cx| {
5722 project.open_buffer((worktree_id, "a.rs"), cx)
5723 })
5724 .await
5725 .unwrap();
5726
5727 let mut fake_server = fake_servers.next().await.unwrap();
5728 let open_notification = fake_server
5729 .receive_notification::<lsp::notification::DidOpenTextDocument>()
5730 .await;
5731
5732 // Edit the buffer, moving the content down
5733 buffer.update(cx, |buffer, cx| buffer.edit([0..0], "\n\n", cx));
5734 let change_notification_1 = fake_server
5735 .receive_notification::<lsp::notification::DidChangeTextDocument>()
5736 .await;
5737 assert!(
5738 change_notification_1.text_document.version > open_notification.text_document.version
5739 );
5740
5741 // Report some diagnostics for the initial version of the buffer
5742 fake_server.notify::<lsp::notification::PublishDiagnostics>(
5743 lsp::PublishDiagnosticsParams {
5744 uri: lsp::Url::from_file_path("/dir/a.rs").unwrap(),
5745 version: Some(open_notification.text_document.version),
5746 diagnostics: vec![
5747 lsp::Diagnostic {
5748 range: lsp::Range::new(lsp::Position::new(0, 9), lsp::Position::new(0, 10)),
5749 severity: Some(DiagnosticSeverity::ERROR),
5750 message: "undefined variable 'A'".to_string(),
5751 source: Some("disk".to_string()),
5752 ..Default::default()
5753 },
5754 lsp::Diagnostic {
5755 range: lsp::Range::new(lsp::Position::new(1, 9), lsp::Position::new(1, 11)),
5756 severity: Some(DiagnosticSeverity::ERROR),
5757 message: "undefined variable 'BB'".to_string(),
5758 source: Some("disk".to_string()),
5759 ..Default::default()
5760 },
5761 lsp::Diagnostic {
5762 range: lsp::Range::new(lsp::Position::new(2, 9), lsp::Position::new(2, 12)),
5763 severity: Some(DiagnosticSeverity::ERROR),
5764 source: Some("disk".to_string()),
5765 message: "undefined variable 'CCC'".to_string(),
5766 ..Default::default()
5767 },
5768 ],
5769 },
5770 );
5771
5772 // The diagnostics have moved down since they were created.
5773 buffer.next_notification(cx).await;
5774 buffer.read_with(cx, |buffer, _| {
5775 assert_eq!(
5776 buffer
5777 .snapshot()
5778 .diagnostics_in_range::<_, Point>(Point::new(3, 0)..Point::new(5, 0), false)
5779 .collect::<Vec<_>>(),
5780 &[
5781 DiagnosticEntry {
5782 range: Point::new(3, 9)..Point::new(3, 11),
5783 diagnostic: Diagnostic {
5784 severity: DiagnosticSeverity::ERROR,
5785 message: "undefined variable 'BB'".to_string(),
5786 is_disk_based: true,
5787 group_id: 1,
5788 is_primary: true,
5789 ..Default::default()
5790 },
5791 },
5792 DiagnosticEntry {
5793 range: Point::new(4, 9)..Point::new(4, 12),
5794 diagnostic: Diagnostic {
5795 severity: DiagnosticSeverity::ERROR,
5796 message: "undefined variable 'CCC'".to_string(),
5797 is_disk_based: true,
5798 group_id: 2,
5799 is_primary: true,
5800 ..Default::default()
5801 }
5802 }
5803 ]
5804 );
5805 assert_eq!(
5806 chunks_with_diagnostics(buffer, 0..buffer.len()),
5807 [
5808 ("\n\nfn a() { ".to_string(), None),
5809 ("A".to_string(), Some(DiagnosticSeverity::ERROR)),
5810 (" }\nfn b() { ".to_string(), None),
5811 ("BB".to_string(), Some(DiagnosticSeverity::ERROR)),
5812 (" }\nfn c() { ".to_string(), None),
5813 ("CCC".to_string(), Some(DiagnosticSeverity::ERROR)),
5814 (" }\n".to_string(), None),
5815 ]
5816 );
5817 assert_eq!(
5818 chunks_with_diagnostics(buffer, Point::new(3, 10)..Point::new(4, 11)),
5819 [
5820 ("B".to_string(), Some(DiagnosticSeverity::ERROR)),
5821 (" }\nfn c() { ".to_string(), None),
5822 ("CC".to_string(), Some(DiagnosticSeverity::ERROR)),
5823 ]
5824 );
5825 });
5826
5827 // Ensure overlapping diagnostics are highlighted correctly.
5828 fake_server.notify::<lsp::notification::PublishDiagnostics>(
5829 lsp::PublishDiagnosticsParams {
5830 uri: lsp::Url::from_file_path("/dir/a.rs").unwrap(),
5831 version: Some(open_notification.text_document.version),
5832 diagnostics: vec![
5833 lsp::Diagnostic {
5834 range: lsp::Range::new(lsp::Position::new(0, 9), lsp::Position::new(0, 10)),
5835 severity: Some(DiagnosticSeverity::ERROR),
5836 message: "undefined variable 'A'".to_string(),
5837 source: Some("disk".to_string()),
5838 ..Default::default()
5839 },
5840 lsp::Diagnostic {
5841 range: lsp::Range::new(lsp::Position::new(0, 9), lsp::Position::new(0, 12)),
5842 severity: Some(DiagnosticSeverity::WARNING),
5843 message: "unreachable statement".to_string(),
5844 source: Some("disk".to_string()),
5845 ..Default::default()
5846 },
5847 ],
5848 },
5849 );
5850
5851 buffer.next_notification(cx).await;
5852 buffer.read_with(cx, |buffer, _| {
5853 assert_eq!(
5854 buffer
5855 .snapshot()
5856 .diagnostics_in_range::<_, Point>(Point::new(2, 0)..Point::new(3, 0), false)
5857 .collect::<Vec<_>>(),
5858 &[
5859 DiagnosticEntry {
5860 range: Point::new(2, 9)..Point::new(2, 12),
5861 diagnostic: Diagnostic {
5862 severity: DiagnosticSeverity::WARNING,
5863 message: "unreachable statement".to_string(),
5864 is_disk_based: true,
5865 group_id: 1,
5866 is_primary: true,
5867 ..Default::default()
5868 }
5869 },
5870 DiagnosticEntry {
5871 range: Point::new(2, 9)..Point::new(2, 10),
5872 diagnostic: Diagnostic {
5873 severity: DiagnosticSeverity::ERROR,
5874 message: "undefined variable 'A'".to_string(),
5875 is_disk_based: true,
5876 group_id: 0,
5877 is_primary: true,
5878 ..Default::default()
5879 },
5880 }
5881 ]
5882 );
5883 assert_eq!(
5884 chunks_with_diagnostics(buffer, Point::new(2, 0)..Point::new(3, 0)),
5885 [
5886 ("fn a() { ".to_string(), None),
5887 ("A".to_string(), Some(DiagnosticSeverity::ERROR)),
5888 (" }".to_string(), Some(DiagnosticSeverity::WARNING)),
5889 ("\n".to_string(), None),
5890 ]
5891 );
5892 assert_eq!(
5893 chunks_with_diagnostics(buffer, Point::new(2, 10)..Point::new(3, 0)),
5894 [
5895 (" }".to_string(), Some(DiagnosticSeverity::WARNING)),
5896 ("\n".to_string(), None),
5897 ]
5898 );
5899 });
5900
5901 // Keep editing the buffer and ensure disk-based diagnostics get translated according to the
5902 // changes since the last save.
5903 buffer.update(cx, |buffer, cx| {
5904 buffer.edit(Some(Point::new(2, 0)..Point::new(2, 0)), " ", cx);
5905 buffer.edit(Some(Point::new(2, 8)..Point::new(2, 10)), "(x: usize)", cx);
5906 buffer.edit(Some(Point::new(3, 10)..Point::new(3, 10)), "xxx", cx);
5907 });
5908 let change_notification_2 = fake_server
5909 .receive_notification::<lsp::notification::DidChangeTextDocument>()
5910 .await;
5911 assert!(
5912 change_notification_2.text_document.version
5913 > change_notification_1.text_document.version
5914 );
5915
5916 // Handle out-of-order diagnostics
5917 fake_server.notify::<lsp::notification::PublishDiagnostics>(
5918 lsp::PublishDiagnosticsParams {
5919 uri: lsp::Url::from_file_path("/dir/a.rs").unwrap(),
5920 version: Some(change_notification_2.text_document.version),
5921 diagnostics: vec![
5922 lsp::Diagnostic {
5923 range: lsp::Range::new(lsp::Position::new(1, 9), lsp::Position::new(1, 11)),
5924 severity: Some(DiagnosticSeverity::ERROR),
5925 message: "undefined variable 'BB'".to_string(),
5926 source: Some("disk".to_string()),
5927 ..Default::default()
5928 },
5929 lsp::Diagnostic {
5930 range: lsp::Range::new(lsp::Position::new(0, 9), lsp::Position::new(0, 10)),
5931 severity: Some(DiagnosticSeverity::WARNING),
5932 message: "undefined variable 'A'".to_string(),
5933 source: Some("disk".to_string()),
5934 ..Default::default()
5935 },
5936 ],
5937 },
5938 );
5939
5940 buffer.next_notification(cx).await;
5941 buffer.read_with(cx, |buffer, _| {
5942 assert_eq!(
5943 buffer
5944 .snapshot()
5945 .diagnostics_in_range::<_, Point>(0..buffer.len(), false)
5946 .collect::<Vec<_>>(),
5947 &[
5948 DiagnosticEntry {
5949 range: Point::new(2, 21)..Point::new(2, 22),
5950 diagnostic: Diagnostic {
5951 severity: DiagnosticSeverity::WARNING,
5952 message: "undefined variable 'A'".to_string(),
5953 is_disk_based: true,
5954 group_id: 1,
5955 is_primary: true,
5956 ..Default::default()
5957 }
5958 },
5959 DiagnosticEntry {
5960 range: Point::new(3, 9)..Point::new(3, 14),
5961 diagnostic: Diagnostic {
5962 severity: DiagnosticSeverity::ERROR,
5963 message: "undefined variable 'BB'".to_string(),
5964 is_disk_based: true,
5965 group_id: 0,
5966 is_primary: true,
5967 ..Default::default()
5968 },
5969 }
5970 ]
5971 );
5972 });
5973 }
5974
5975 #[gpui::test]
5976 async fn test_empty_diagnostic_ranges(cx: &mut gpui::TestAppContext) {
5977 cx.foreground().forbid_parking();
5978
5979 let text = concat!(
5980 "let one = ;\n", //
5981 "let two = \n",
5982 "let three = 3;\n",
5983 );
5984
5985 let fs = FakeFs::new(cx.background());
5986 fs.insert_tree("/dir", json!({ "a.rs": text })).await;
5987
5988 let project = Project::test(fs, cx);
5989 let worktree_id = project
5990 .update(cx, |project, cx| {
5991 project.find_or_create_local_worktree("/dir", true, cx)
5992 })
5993 .await
5994 .unwrap()
5995 .0
5996 .read_with(cx, |tree, _| tree.id());
5997
5998 let buffer = project
5999 .update(cx, |project, cx| {
6000 project.open_buffer((worktree_id, "a.rs"), cx)
6001 })
6002 .await
6003 .unwrap();
6004
6005 project.update(cx, |project, cx| {
6006 project
6007 .update_buffer_diagnostics(
6008 &buffer,
6009 vec![
6010 DiagnosticEntry {
6011 range: PointUtf16::new(0, 10)..PointUtf16::new(0, 10),
6012 diagnostic: Diagnostic {
6013 severity: DiagnosticSeverity::ERROR,
6014 message: "syntax error 1".to_string(),
6015 ..Default::default()
6016 },
6017 },
6018 DiagnosticEntry {
6019 range: PointUtf16::new(1, 10)..PointUtf16::new(1, 10),
6020 diagnostic: Diagnostic {
6021 severity: DiagnosticSeverity::ERROR,
6022 message: "syntax error 2".to_string(),
6023 ..Default::default()
6024 },
6025 },
6026 ],
6027 None,
6028 cx,
6029 )
6030 .unwrap();
6031 });
6032
6033 // An empty range is extended forward to include the following character.
6034 // At the end of a line, an empty range is extended backward to include
6035 // the preceding character.
6036 buffer.read_with(cx, |buffer, _| {
6037 let chunks = chunks_with_diagnostics(&buffer, 0..buffer.len());
6038 assert_eq!(
6039 chunks
6040 .iter()
6041 .map(|(s, d)| (s.as_str(), *d))
6042 .collect::<Vec<_>>(),
6043 &[
6044 ("let one = ", None),
6045 (";", Some(DiagnosticSeverity::ERROR)),
6046 ("\nlet two =", None),
6047 (" ", Some(DiagnosticSeverity::ERROR)),
6048 ("\nlet three = 3;\n", None)
6049 ]
6050 );
6051 });
6052 }
6053
6054 #[gpui::test]
6055 async fn test_edits_from_lsp_with_past_version(cx: &mut gpui::TestAppContext) {
6056 cx.foreground().forbid_parking();
6057
6058 let mut language = Language::new(
6059 LanguageConfig {
6060 name: "Rust".into(),
6061 path_suffixes: vec!["rs".to_string()],
6062 ..Default::default()
6063 },
6064 Some(tree_sitter_rust::language()),
6065 );
6066 let mut fake_servers = language.set_fake_lsp_adapter(Default::default());
6067
6068 let text = "
6069 fn a() {
6070 f1();
6071 }
6072 fn b() {
6073 f2();
6074 }
6075 fn c() {
6076 f3();
6077 }
6078 "
6079 .unindent();
6080
6081 let fs = FakeFs::new(cx.background());
6082 fs.insert_tree(
6083 "/dir",
6084 json!({
6085 "a.rs": text.clone(),
6086 }),
6087 )
6088 .await;
6089
6090 let project = Project::test(fs, cx);
6091 project.update(cx, |project, _| project.languages.add(Arc::new(language)));
6092
6093 let worktree_id = project
6094 .update(cx, |project, cx| {
6095 project.find_or_create_local_worktree("/dir", true, cx)
6096 })
6097 .await
6098 .unwrap()
6099 .0
6100 .read_with(cx, |tree, _| tree.id());
6101
6102 let buffer = project
6103 .update(cx, |project, cx| {
6104 project.open_buffer((worktree_id, "a.rs"), cx)
6105 })
6106 .await
6107 .unwrap();
6108
6109 let mut fake_server = fake_servers.next().await.unwrap();
6110 let lsp_document_version = fake_server
6111 .receive_notification::<lsp::notification::DidOpenTextDocument>()
6112 .await
6113 .text_document
6114 .version;
6115
6116 // Simulate editing the buffer after the language server computes some edits.
6117 buffer.update(cx, |buffer, cx| {
6118 buffer.edit(
6119 [Point::new(0, 0)..Point::new(0, 0)],
6120 "// above first function\n",
6121 cx,
6122 );
6123 buffer.edit(
6124 [Point::new(2, 0)..Point::new(2, 0)],
6125 " // inside first function\n",
6126 cx,
6127 );
6128 buffer.edit(
6129 [Point::new(6, 4)..Point::new(6, 4)],
6130 "// inside second function ",
6131 cx,
6132 );
6133
6134 assert_eq!(
6135 buffer.text(),
6136 "
6137 // above first function
6138 fn a() {
6139 // inside first function
6140 f1();
6141 }
6142 fn b() {
6143 // inside second function f2();
6144 }
6145 fn c() {
6146 f3();
6147 }
6148 "
6149 .unindent()
6150 );
6151 });
6152
6153 let edits = project
6154 .update(cx, |project, cx| {
6155 project.edits_from_lsp(
6156 &buffer,
6157 vec![
6158 // replace body of first function
6159 lsp::TextEdit {
6160 range: lsp::Range::new(
6161 lsp::Position::new(0, 0),
6162 lsp::Position::new(3, 0),
6163 ),
6164 new_text: "
6165 fn a() {
6166 f10();
6167 }
6168 "
6169 .unindent(),
6170 },
6171 // edit inside second function
6172 lsp::TextEdit {
6173 range: lsp::Range::new(
6174 lsp::Position::new(4, 6),
6175 lsp::Position::new(4, 6),
6176 ),
6177 new_text: "00".into(),
6178 },
6179 // edit inside third function via two distinct edits
6180 lsp::TextEdit {
6181 range: lsp::Range::new(
6182 lsp::Position::new(7, 5),
6183 lsp::Position::new(7, 5),
6184 ),
6185 new_text: "4000".into(),
6186 },
6187 lsp::TextEdit {
6188 range: lsp::Range::new(
6189 lsp::Position::new(7, 5),
6190 lsp::Position::new(7, 6),
6191 ),
6192 new_text: "".into(),
6193 },
6194 ],
6195 Some(lsp_document_version),
6196 cx,
6197 )
6198 })
6199 .await
6200 .unwrap();
6201
6202 buffer.update(cx, |buffer, cx| {
6203 for (range, new_text) in edits {
6204 buffer.edit([range], new_text, cx);
6205 }
6206 assert_eq!(
6207 buffer.text(),
6208 "
6209 // above first function
6210 fn a() {
6211 // inside first function
6212 f10();
6213 }
6214 fn b() {
6215 // inside second function f200();
6216 }
6217 fn c() {
6218 f4000();
6219 }
6220 "
6221 .unindent()
6222 );
6223 });
6224 }
6225
6226 #[gpui::test]
6227 async fn test_edits_from_lsp_with_edits_on_adjacent_lines(cx: &mut gpui::TestAppContext) {
6228 cx.foreground().forbid_parking();
6229
6230 let text = "
6231 use a::b;
6232 use a::c;
6233
6234 fn f() {
6235 b();
6236 c();
6237 }
6238 "
6239 .unindent();
6240
6241 let fs = FakeFs::new(cx.background());
6242 fs.insert_tree(
6243 "/dir",
6244 json!({
6245 "a.rs": text.clone(),
6246 }),
6247 )
6248 .await;
6249
6250 let project = Project::test(fs, cx);
6251 let worktree_id = project
6252 .update(cx, |project, cx| {
6253 project.find_or_create_local_worktree("/dir", true, cx)
6254 })
6255 .await
6256 .unwrap()
6257 .0
6258 .read_with(cx, |tree, _| tree.id());
6259
6260 let buffer = project
6261 .update(cx, |project, cx| {
6262 project.open_buffer((worktree_id, "a.rs"), cx)
6263 })
6264 .await
6265 .unwrap();
6266
6267 // Simulate the language server sending us a small edit in the form of a very large diff.
6268 // Rust-analyzer does this when performing a merge-imports code action.
6269 let edits = project
6270 .update(cx, |project, cx| {
6271 project.edits_from_lsp(
6272 &buffer,
6273 [
6274 // Replace the first use statement without editing the semicolon.
6275 lsp::TextEdit {
6276 range: lsp::Range::new(
6277 lsp::Position::new(0, 4),
6278 lsp::Position::new(0, 8),
6279 ),
6280 new_text: "a::{b, c}".into(),
6281 },
6282 // Reinsert the remainder of the file between the semicolon and the final
6283 // newline of the file.
6284 lsp::TextEdit {
6285 range: lsp::Range::new(
6286 lsp::Position::new(0, 9),
6287 lsp::Position::new(0, 9),
6288 ),
6289 new_text: "\n\n".into(),
6290 },
6291 lsp::TextEdit {
6292 range: lsp::Range::new(
6293 lsp::Position::new(0, 9),
6294 lsp::Position::new(0, 9),
6295 ),
6296 new_text: "
6297 fn f() {
6298 b();
6299 c();
6300 }"
6301 .unindent(),
6302 },
6303 // Delete everything after the first newline of the file.
6304 lsp::TextEdit {
6305 range: lsp::Range::new(
6306 lsp::Position::new(1, 0),
6307 lsp::Position::new(7, 0),
6308 ),
6309 new_text: "".into(),
6310 },
6311 ],
6312 None,
6313 cx,
6314 )
6315 })
6316 .await
6317 .unwrap();
6318
6319 buffer.update(cx, |buffer, cx| {
6320 let edits = edits
6321 .into_iter()
6322 .map(|(range, text)| {
6323 (
6324 range.start.to_point(&buffer)..range.end.to_point(&buffer),
6325 text,
6326 )
6327 })
6328 .collect::<Vec<_>>();
6329
6330 assert_eq!(
6331 edits,
6332 [
6333 (Point::new(0, 4)..Point::new(0, 8), "a::{b, c}".into()),
6334 (Point::new(1, 0)..Point::new(2, 0), "".into())
6335 ]
6336 );
6337
6338 for (range, new_text) in edits {
6339 buffer.edit([range], new_text, cx);
6340 }
6341 assert_eq!(
6342 buffer.text(),
6343 "
6344 use a::{b, c};
6345
6346 fn f() {
6347 b();
6348 c();
6349 }
6350 "
6351 .unindent()
6352 );
6353 });
6354 }
6355
6356 fn chunks_with_diagnostics<T: ToOffset + ToPoint>(
6357 buffer: &Buffer,
6358 range: Range<T>,
6359 ) -> Vec<(String, Option<DiagnosticSeverity>)> {
6360 let mut chunks: Vec<(String, Option<DiagnosticSeverity>)> = Vec::new();
6361 for chunk in buffer.snapshot().chunks(range, true) {
6362 if chunks.last().map_or(false, |prev_chunk| {
6363 prev_chunk.1 == chunk.diagnostic_severity
6364 }) {
6365 chunks.last_mut().unwrap().0.push_str(chunk.text);
6366 } else {
6367 chunks.push((chunk.text.to_string(), chunk.diagnostic_severity));
6368 }
6369 }
6370 chunks
6371 }
6372
6373 #[gpui::test]
6374 async fn test_search_worktree_without_files(cx: &mut gpui::TestAppContext) {
6375 let dir = temp_tree(json!({
6376 "root": {
6377 "dir1": {},
6378 "dir2": {
6379 "dir3": {}
6380 }
6381 }
6382 }));
6383
6384 let project = Project::test(Arc::new(RealFs), cx);
6385 let (tree, _) = project
6386 .update(cx, |project, cx| {
6387 project.find_or_create_local_worktree(&dir.path(), true, cx)
6388 })
6389 .await
6390 .unwrap();
6391
6392 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
6393 .await;
6394
6395 let cancel_flag = Default::default();
6396 let results = project
6397 .read_with(cx, |project, cx| {
6398 project.match_paths("dir", false, false, 10, &cancel_flag, cx)
6399 })
6400 .await;
6401
6402 assert!(results.is_empty());
6403 }
6404
6405 #[gpui::test]
6406 async fn test_definition(cx: &mut gpui::TestAppContext) {
6407 let mut language = Language::new(
6408 LanguageConfig {
6409 name: "Rust".into(),
6410 path_suffixes: vec!["rs".to_string()],
6411 ..Default::default()
6412 },
6413 Some(tree_sitter_rust::language()),
6414 );
6415 let mut fake_servers = language.set_fake_lsp_adapter(Default::default());
6416
6417 let fs = FakeFs::new(cx.background());
6418 fs.insert_tree(
6419 "/dir",
6420 json!({
6421 "a.rs": "const fn a() { A }",
6422 "b.rs": "const y: i32 = crate::a()",
6423 }),
6424 )
6425 .await;
6426
6427 let project = Project::test(fs, cx);
6428 project.update(cx, |project, _| project.languages.add(Arc::new(language)));
6429
6430 let (tree, _) = project
6431 .update(cx, |project, cx| {
6432 project.find_or_create_local_worktree("/dir/b.rs", true, cx)
6433 })
6434 .await
6435 .unwrap();
6436 let worktree_id = tree.read_with(cx, |tree, _| tree.id());
6437 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
6438 .await;
6439
6440 let buffer = project
6441 .update(cx, |project, cx| project.open_buffer((worktree_id, ""), cx))
6442 .await
6443 .unwrap();
6444
6445 let fake_server = fake_servers.next().await.unwrap();
6446 fake_server.handle_request::<lsp::request::GotoDefinition, _, _>(|params, _| async move {
6447 let params = params.text_document_position_params;
6448 assert_eq!(
6449 params.text_document.uri.to_file_path().unwrap(),
6450 Path::new("/dir/b.rs"),
6451 );
6452 assert_eq!(params.position, lsp::Position::new(0, 22));
6453
6454 Ok(Some(lsp::GotoDefinitionResponse::Scalar(
6455 lsp::Location::new(
6456 lsp::Url::from_file_path("/dir/a.rs").unwrap(),
6457 lsp::Range::new(lsp::Position::new(0, 9), lsp::Position::new(0, 10)),
6458 ),
6459 )))
6460 });
6461
6462 let mut definitions = project
6463 .update(cx, |project, cx| project.definition(&buffer, 22, cx))
6464 .await
6465 .unwrap();
6466
6467 assert_eq!(definitions.len(), 1);
6468 let definition = definitions.pop().unwrap();
6469 cx.update(|cx| {
6470 let target_buffer = definition.buffer.read(cx);
6471 assert_eq!(
6472 target_buffer
6473 .file()
6474 .unwrap()
6475 .as_local()
6476 .unwrap()
6477 .abs_path(cx),
6478 Path::new("/dir/a.rs"),
6479 );
6480 assert_eq!(definition.range.to_offset(target_buffer), 9..10);
6481 assert_eq!(
6482 list_worktrees(&project, cx),
6483 [("/dir/b.rs".as_ref(), true), ("/dir/a.rs".as_ref(), false)]
6484 );
6485
6486 drop(definition);
6487 });
6488 cx.read(|cx| {
6489 assert_eq!(list_worktrees(&project, cx), [("/dir/b.rs".as_ref(), true)]);
6490 });
6491
6492 fn list_worktrees<'a>(
6493 project: &'a ModelHandle<Project>,
6494 cx: &'a AppContext,
6495 ) -> Vec<(&'a Path, bool)> {
6496 project
6497 .read(cx)
6498 .worktrees(cx)
6499 .map(|worktree| {
6500 let worktree = worktree.read(cx);
6501 (
6502 worktree.as_local().unwrap().abs_path().as_ref(),
6503 worktree.is_visible(),
6504 )
6505 })
6506 .collect::<Vec<_>>()
6507 }
6508 }
6509
6510 #[gpui::test(iterations = 10)]
6511 async fn test_apply_code_actions_with_commands(cx: &mut gpui::TestAppContext) {
6512 let mut language = Language::new(
6513 LanguageConfig {
6514 name: "TypeScript".into(),
6515 path_suffixes: vec!["ts".to_string()],
6516 ..Default::default()
6517 },
6518 None,
6519 );
6520 let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default());
6521
6522 let fs = FakeFs::new(cx.background());
6523 fs.insert_tree(
6524 "/dir",
6525 json!({
6526 "a.ts": "a",
6527 }),
6528 )
6529 .await;
6530
6531 let project = Project::test(fs, cx);
6532 project.update(cx, |project, _| project.languages.add(Arc::new(language)));
6533
6534 let (tree, _) = project
6535 .update(cx, |project, cx| {
6536 project.find_or_create_local_worktree("/dir", true, cx)
6537 })
6538 .await
6539 .unwrap();
6540 let worktree_id = tree.read_with(cx, |tree, _| tree.id());
6541 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
6542 .await;
6543
6544 let buffer = project
6545 .update(cx, |p, cx| p.open_buffer((worktree_id, "a.ts"), cx))
6546 .await
6547 .unwrap();
6548
6549 let fake_server = fake_language_servers.next().await.unwrap();
6550
6551 // Language server returns code actions that contain commands, and not edits.
6552 let actions = project.update(cx, |project, cx| project.code_actions(&buffer, 0..0, cx));
6553 fake_server
6554 .handle_request::<lsp::request::CodeActionRequest, _, _>(|_, _| async move {
6555 Ok(Some(vec![
6556 lsp::CodeActionOrCommand::CodeAction(lsp::CodeAction {
6557 title: "The code action".into(),
6558 command: Some(lsp::Command {
6559 title: "The command".into(),
6560 command: "_the/command".into(),
6561 arguments: Some(vec![json!("the-argument")]),
6562 }),
6563 ..Default::default()
6564 }),
6565 lsp::CodeActionOrCommand::CodeAction(lsp::CodeAction {
6566 title: "two".into(),
6567 ..Default::default()
6568 }),
6569 ]))
6570 })
6571 .next()
6572 .await;
6573
6574 let action = actions.await.unwrap()[0].clone();
6575 let apply = project.update(cx, |project, cx| {
6576 project.apply_code_action(buffer.clone(), action, true, cx)
6577 });
6578
6579 // Resolving the code action does not populate its edits. In absence of
6580 // edits, we must execute the given command.
6581 fake_server.handle_request::<lsp::request::CodeActionResolveRequest, _, _>(
6582 |action, _| async move { Ok(action) },
6583 );
6584
6585 // While executing the command, the language server sends the editor
6586 // a `workspaceEdit` request.
6587 fake_server
6588 .handle_request::<lsp::request::ExecuteCommand, _, _>({
6589 let fake = fake_server.clone();
6590 move |params, _| {
6591 assert_eq!(params.command, "_the/command");
6592 let fake = fake.clone();
6593 async move {
6594 fake.server
6595 .request::<lsp::request::ApplyWorkspaceEdit>(
6596 lsp::ApplyWorkspaceEditParams {
6597 label: None,
6598 edit: lsp::WorkspaceEdit {
6599 changes: Some(
6600 [(
6601 lsp::Url::from_file_path("/dir/a.ts").unwrap(),
6602 vec![lsp::TextEdit {
6603 range: lsp::Range::new(
6604 lsp::Position::new(0, 0),
6605 lsp::Position::new(0, 0),
6606 ),
6607 new_text: "X".into(),
6608 }],
6609 )]
6610 .into_iter()
6611 .collect(),
6612 ),
6613 ..Default::default()
6614 },
6615 },
6616 )
6617 .await
6618 .unwrap();
6619 Ok(Some(json!(null)))
6620 }
6621 }
6622 })
6623 .next()
6624 .await;
6625
6626 // Applying the code action returns a project transaction containing the edits
6627 // sent by the language server in its `workspaceEdit` request.
6628 let transaction = apply.await.unwrap();
6629 assert!(transaction.0.contains_key(&buffer));
6630 buffer.update(cx, |buffer, cx| {
6631 assert_eq!(buffer.text(), "Xa");
6632 buffer.undo(cx);
6633 assert_eq!(buffer.text(), "a");
6634 });
6635 }
6636
6637 #[gpui::test]
6638 async fn test_save_file(cx: &mut gpui::TestAppContext) {
6639 let fs = FakeFs::new(cx.background());
6640 fs.insert_tree(
6641 "/dir",
6642 json!({
6643 "file1": "the old contents",
6644 }),
6645 )
6646 .await;
6647
6648 let project = Project::test(fs.clone(), cx);
6649 let worktree_id = project
6650 .update(cx, |p, cx| {
6651 p.find_or_create_local_worktree("/dir", true, cx)
6652 })
6653 .await
6654 .unwrap()
6655 .0
6656 .read_with(cx, |tree, _| tree.id());
6657
6658 let buffer = project
6659 .update(cx, |p, cx| p.open_buffer((worktree_id, "file1"), cx))
6660 .await
6661 .unwrap();
6662 buffer
6663 .update(cx, |buffer, cx| {
6664 assert_eq!(buffer.text(), "the old contents");
6665 buffer.edit(Some(0..0), "a line of text.\n".repeat(10 * 1024), cx);
6666 buffer.save(cx)
6667 })
6668 .await
6669 .unwrap();
6670
6671 let new_text = fs.load(Path::new("/dir/file1")).await.unwrap();
6672 assert_eq!(new_text, buffer.read_with(cx, |buffer, _| buffer.text()));
6673 }
6674
6675 #[gpui::test]
6676 async fn test_save_in_single_file_worktree(cx: &mut gpui::TestAppContext) {
6677 let fs = FakeFs::new(cx.background());
6678 fs.insert_tree(
6679 "/dir",
6680 json!({
6681 "file1": "the old contents",
6682 }),
6683 )
6684 .await;
6685
6686 let project = Project::test(fs.clone(), cx);
6687 let worktree_id = project
6688 .update(cx, |p, cx| {
6689 p.find_or_create_local_worktree("/dir/file1", true, cx)
6690 })
6691 .await
6692 .unwrap()
6693 .0
6694 .read_with(cx, |tree, _| tree.id());
6695
6696 let buffer = project
6697 .update(cx, |p, cx| p.open_buffer((worktree_id, ""), cx))
6698 .await
6699 .unwrap();
6700 buffer
6701 .update(cx, |buffer, cx| {
6702 buffer.edit(Some(0..0), "a line of text.\n".repeat(10 * 1024), cx);
6703 buffer.save(cx)
6704 })
6705 .await
6706 .unwrap();
6707
6708 let new_text = fs.load(Path::new("/dir/file1")).await.unwrap();
6709 assert_eq!(new_text, buffer.read_with(cx, |buffer, _| buffer.text()));
6710 }
6711
6712 #[gpui::test]
6713 async fn test_save_as(cx: &mut gpui::TestAppContext) {
6714 let fs = FakeFs::new(cx.background());
6715 fs.insert_tree("/dir", json!({})).await;
6716
6717 let project = Project::test(fs.clone(), cx);
6718 let (worktree, _) = project
6719 .update(cx, |project, cx| {
6720 project.find_or_create_local_worktree("/dir", true, cx)
6721 })
6722 .await
6723 .unwrap();
6724 let worktree_id = worktree.read_with(cx, |worktree, _| worktree.id());
6725
6726 let buffer = project.update(cx, |project, cx| {
6727 project.create_buffer("", None, cx).unwrap()
6728 });
6729 buffer.update(cx, |buffer, cx| {
6730 buffer.edit([0..0], "abc", cx);
6731 assert!(buffer.is_dirty());
6732 assert!(!buffer.has_conflict());
6733 });
6734 project
6735 .update(cx, |project, cx| {
6736 project.save_buffer_as(buffer.clone(), "/dir/file1".into(), cx)
6737 })
6738 .await
6739 .unwrap();
6740 assert_eq!(fs.load(Path::new("/dir/file1")).await.unwrap(), "abc");
6741 buffer.read_with(cx, |buffer, cx| {
6742 assert_eq!(buffer.file().unwrap().full_path(cx), Path::new("dir/file1"));
6743 assert!(!buffer.is_dirty());
6744 assert!(!buffer.has_conflict());
6745 });
6746
6747 let opened_buffer = project
6748 .update(cx, |project, cx| {
6749 project.open_buffer((worktree_id, "file1"), cx)
6750 })
6751 .await
6752 .unwrap();
6753 assert_eq!(opened_buffer, buffer);
6754 }
6755
6756 #[gpui::test(retries = 5)]
6757 async fn test_rescan_and_remote_updates(cx: &mut gpui::TestAppContext) {
6758 let dir = temp_tree(json!({
6759 "a": {
6760 "file1": "",
6761 "file2": "",
6762 "file3": "",
6763 },
6764 "b": {
6765 "c": {
6766 "file4": "",
6767 "file5": "",
6768 }
6769 }
6770 }));
6771
6772 let project = Project::test(Arc::new(RealFs), cx);
6773 let rpc = project.read_with(cx, |p, _| p.client.clone());
6774
6775 let (tree, _) = project
6776 .update(cx, |p, cx| {
6777 p.find_or_create_local_worktree(dir.path(), true, cx)
6778 })
6779 .await
6780 .unwrap();
6781 let worktree_id = tree.read_with(cx, |tree, _| tree.id());
6782
6783 let buffer_for_path = |path: &'static str, cx: &mut gpui::TestAppContext| {
6784 let buffer = project.update(cx, |p, cx| p.open_buffer((worktree_id, path), cx));
6785 async move { buffer.await.unwrap() }
6786 };
6787 let id_for_path = |path: &'static str, cx: &gpui::TestAppContext| {
6788 tree.read_with(cx, |tree, _| {
6789 tree.entry_for_path(path)
6790 .expect(&format!("no entry for path {}", path))
6791 .id
6792 })
6793 };
6794
6795 let buffer2 = buffer_for_path("a/file2", cx).await;
6796 let buffer3 = buffer_for_path("a/file3", cx).await;
6797 let buffer4 = buffer_for_path("b/c/file4", cx).await;
6798 let buffer5 = buffer_for_path("b/c/file5", cx).await;
6799
6800 let file2_id = id_for_path("a/file2", &cx);
6801 let file3_id = id_for_path("a/file3", &cx);
6802 let file4_id = id_for_path("b/c/file4", &cx);
6803
6804 // Wait for the initial scan.
6805 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
6806 .await;
6807
6808 // Create a remote copy of this worktree.
6809 let initial_snapshot = tree.read_with(cx, |tree, _| tree.as_local().unwrap().snapshot());
6810 let (remote, load_task) = cx.update(|cx| {
6811 Worktree::remote(
6812 1,
6813 1,
6814 initial_snapshot.to_proto(&Default::default(), true),
6815 rpc.clone(),
6816 cx,
6817 )
6818 });
6819 load_task.await;
6820
6821 cx.read(|cx| {
6822 assert!(!buffer2.read(cx).is_dirty());
6823 assert!(!buffer3.read(cx).is_dirty());
6824 assert!(!buffer4.read(cx).is_dirty());
6825 assert!(!buffer5.read(cx).is_dirty());
6826 });
6827
6828 // Rename and delete files and directories.
6829 tree.flush_fs_events(&cx).await;
6830 std::fs::rename(dir.path().join("a/file3"), dir.path().join("b/c/file3")).unwrap();
6831 std::fs::remove_file(dir.path().join("b/c/file5")).unwrap();
6832 std::fs::rename(dir.path().join("b/c"), dir.path().join("d")).unwrap();
6833 std::fs::rename(dir.path().join("a/file2"), dir.path().join("a/file2.new")).unwrap();
6834 tree.flush_fs_events(&cx).await;
6835
6836 let expected_paths = vec![
6837 "a",
6838 "a/file1",
6839 "a/file2.new",
6840 "b",
6841 "d",
6842 "d/file3",
6843 "d/file4",
6844 ];
6845
6846 cx.read(|app| {
6847 assert_eq!(
6848 tree.read(app)
6849 .paths()
6850 .map(|p| p.to_str().unwrap())
6851 .collect::<Vec<_>>(),
6852 expected_paths
6853 );
6854
6855 assert_eq!(id_for_path("a/file2.new", &cx), file2_id);
6856 assert_eq!(id_for_path("d/file3", &cx), file3_id);
6857 assert_eq!(id_for_path("d/file4", &cx), file4_id);
6858
6859 assert_eq!(
6860 buffer2.read(app).file().unwrap().path().as_ref(),
6861 Path::new("a/file2.new")
6862 );
6863 assert_eq!(
6864 buffer3.read(app).file().unwrap().path().as_ref(),
6865 Path::new("d/file3")
6866 );
6867 assert_eq!(
6868 buffer4.read(app).file().unwrap().path().as_ref(),
6869 Path::new("d/file4")
6870 );
6871 assert_eq!(
6872 buffer5.read(app).file().unwrap().path().as_ref(),
6873 Path::new("b/c/file5")
6874 );
6875
6876 assert!(!buffer2.read(app).file().unwrap().is_deleted());
6877 assert!(!buffer3.read(app).file().unwrap().is_deleted());
6878 assert!(!buffer4.read(app).file().unwrap().is_deleted());
6879 assert!(buffer5.read(app).file().unwrap().is_deleted());
6880 });
6881
6882 // Update the remote worktree. Check that it becomes consistent with the
6883 // local worktree.
6884 remote.update(cx, |remote, cx| {
6885 let update_message = tree.read(cx).as_local().unwrap().snapshot().build_update(
6886 &initial_snapshot,
6887 1,
6888 1,
6889 true,
6890 );
6891 remote
6892 .as_remote_mut()
6893 .unwrap()
6894 .snapshot
6895 .apply_remote_update(update_message)
6896 .unwrap();
6897
6898 assert_eq!(
6899 remote
6900 .paths()
6901 .map(|p| p.to_str().unwrap())
6902 .collect::<Vec<_>>(),
6903 expected_paths
6904 );
6905 });
6906 }
6907
6908 #[gpui::test]
6909 async fn test_buffer_deduping(cx: &mut gpui::TestAppContext) {
6910 let fs = FakeFs::new(cx.background());
6911 fs.insert_tree(
6912 "/the-dir",
6913 json!({
6914 "a.txt": "a-contents",
6915 "b.txt": "b-contents",
6916 }),
6917 )
6918 .await;
6919
6920 let project = Project::test(fs.clone(), cx);
6921 let worktree_id = project
6922 .update(cx, |p, cx| {
6923 p.find_or_create_local_worktree("/the-dir", true, cx)
6924 })
6925 .await
6926 .unwrap()
6927 .0
6928 .read_with(cx, |tree, _| tree.id());
6929
6930 // Spawn multiple tasks to open paths, repeating some paths.
6931 let (buffer_a_1, buffer_b, buffer_a_2) = project.update(cx, |p, cx| {
6932 (
6933 p.open_buffer((worktree_id, "a.txt"), cx),
6934 p.open_buffer((worktree_id, "b.txt"), cx),
6935 p.open_buffer((worktree_id, "a.txt"), cx),
6936 )
6937 });
6938
6939 let buffer_a_1 = buffer_a_1.await.unwrap();
6940 let buffer_a_2 = buffer_a_2.await.unwrap();
6941 let buffer_b = buffer_b.await.unwrap();
6942 assert_eq!(buffer_a_1.read_with(cx, |b, _| b.text()), "a-contents");
6943 assert_eq!(buffer_b.read_with(cx, |b, _| b.text()), "b-contents");
6944
6945 // There is only one buffer per path.
6946 let buffer_a_id = buffer_a_1.id();
6947 assert_eq!(buffer_a_2.id(), buffer_a_id);
6948
6949 // Open the same path again while it is still open.
6950 drop(buffer_a_1);
6951 let buffer_a_3 = project
6952 .update(cx, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
6953 .await
6954 .unwrap();
6955
6956 // There's still only one buffer per path.
6957 assert_eq!(buffer_a_3.id(), buffer_a_id);
6958 }
6959
6960 #[gpui::test]
6961 async fn test_buffer_is_dirty(cx: &mut gpui::TestAppContext) {
6962 use std::fs;
6963
6964 let dir = temp_tree(json!({
6965 "file1": "abc",
6966 "file2": "def",
6967 "file3": "ghi",
6968 }));
6969
6970 let project = Project::test(Arc::new(RealFs), cx);
6971 let (worktree, _) = project
6972 .update(cx, |p, cx| {
6973 p.find_or_create_local_worktree(dir.path(), true, cx)
6974 })
6975 .await
6976 .unwrap();
6977 let worktree_id = worktree.read_with(cx, |worktree, _| worktree.id());
6978
6979 worktree.flush_fs_events(&cx).await;
6980 worktree
6981 .read_with(cx, |t, _| t.as_local().unwrap().scan_complete())
6982 .await;
6983
6984 let buffer1 = project
6985 .update(cx, |p, cx| p.open_buffer((worktree_id, "file1"), cx))
6986 .await
6987 .unwrap();
6988 let events = Rc::new(RefCell::new(Vec::new()));
6989
6990 // initially, the buffer isn't dirty.
6991 buffer1.update(cx, |buffer, cx| {
6992 cx.subscribe(&buffer1, {
6993 let events = events.clone();
6994 move |_, _, event, _| match event {
6995 BufferEvent::Operation(_) => {}
6996 _ => events.borrow_mut().push(event.clone()),
6997 }
6998 })
6999 .detach();
7000
7001 assert!(!buffer.is_dirty());
7002 assert!(events.borrow().is_empty());
7003
7004 buffer.edit(vec![1..2], "", cx);
7005 });
7006
7007 // after the first edit, the buffer is dirty, and emits a dirtied event.
7008 buffer1.update(cx, |buffer, cx| {
7009 assert!(buffer.text() == "ac");
7010 assert!(buffer.is_dirty());
7011 assert_eq!(
7012 *events.borrow(),
7013 &[language::Event::Edited, language::Event::Dirtied]
7014 );
7015 events.borrow_mut().clear();
7016 buffer.did_save(buffer.version(), buffer.file().unwrap().mtime(), None, cx);
7017 });
7018
7019 // after saving, the buffer is not dirty, and emits a saved event.
7020 buffer1.update(cx, |buffer, cx| {
7021 assert!(!buffer.is_dirty());
7022 assert_eq!(*events.borrow(), &[language::Event::Saved]);
7023 events.borrow_mut().clear();
7024
7025 buffer.edit(vec![1..1], "B", cx);
7026 buffer.edit(vec![2..2], "D", cx);
7027 });
7028
7029 // after editing again, the buffer is dirty, and emits another dirty event.
7030 buffer1.update(cx, |buffer, cx| {
7031 assert!(buffer.text() == "aBDc");
7032 assert!(buffer.is_dirty());
7033 assert_eq!(
7034 *events.borrow(),
7035 &[
7036 language::Event::Edited,
7037 language::Event::Dirtied,
7038 language::Event::Edited,
7039 ],
7040 );
7041 events.borrow_mut().clear();
7042
7043 // TODO - currently, after restoring the buffer to its
7044 // previously-saved state, the is still considered dirty.
7045 buffer.edit([1..3], "", cx);
7046 assert!(buffer.text() == "ac");
7047 assert!(buffer.is_dirty());
7048 });
7049
7050 assert_eq!(*events.borrow(), &[language::Event::Edited]);
7051
7052 // When a file is deleted, the buffer is considered dirty.
7053 let events = Rc::new(RefCell::new(Vec::new()));
7054 let buffer2 = project
7055 .update(cx, |p, cx| p.open_buffer((worktree_id, "file2"), cx))
7056 .await
7057 .unwrap();
7058 buffer2.update(cx, |_, cx| {
7059 cx.subscribe(&buffer2, {
7060 let events = events.clone();
7061 move |_, _, event, _| events.borrow_mut().push(event.clone())
7062 })
7063 .detach();
7064 });
7065
7066 fs::remove_file(dir.path().join("file2")).unwrap();
7067 buffer2.condition(&cx, |b, _| b.is_dirty()).await;
7068 assert_eq!(
7069 *events.borrow(),
7070 &[language::Event::Dirtied, language::Event::FileHandleChanged]
7071 );
7072
7073 // When a file is already dirty when deleted, we don't emit a Dirtied event.
7074 let events = Rc::new(RefCell::new(Vec::new()));
7075 let buffer3 = project
7076 .update(cx, |p, cx| p.open_buffer((worktree_id, "file3"), cx))
7077 .await
7078 .unwrap();
7079 buffer3.update(cx, |_, cx| {
7080 cx.subscribe(&buffer3, {
7081 let events = events.clone();
7082 move |_, _, event, _| events.borrow_mut().push(event.clone())
7083 })
7084 .detach();
7085 });
7086
7087 worktree.flush_fs_events(&cx).await;
7088 buffer3.update(cx, |buffer, cx| {
7089 buffer.edit(Some(0..0), "x", cx);
7090 });
7091 events.borrow_mut().clear();
7092 fs::remove_file(dir.path().join("file3")).unwrap();
7093 buffer3
7094 .condition(&cx, |_, _| !events.borrow().is_empty())
7095 .await;
7096 assert_eq!(*events.borrow(), &[language::Event::FileHandleChanged]);
7097 cx.read(|cx| assert!(buffer3.read(cx).is_dirty()));
7098 }
7099
7100 #[gpui::test]
7101 async fn test_buffer_file_changes_on_disk(cx: &mut gpui::TestAppContext) {
7102 use std::fs;
7103
7104 let initial_contents = "aaa\nbbbbb\nc\n";
7105 let dir = temp_tree(json!({ "the-file": initial_contents }));
7106
7107 let project = Project::test(Arc::new(RealFs), cx);
7108 let (worktree, _) = project
7109 .update(cx, |p, cx| {
7110 p.find_or_create_local_worktree(dir.path(), true, cx)
7111 })
7112 .await
7113 .unwrap();
7114 let worktree_id = worktree.read_with(cx, |tree, _| tree.id());
7115
7116 worktree
7117 .read_with(cx, |t, _| t.as_local().unwrap().scan_complete())
7118 .await;
7119
7120 let abs_path = dir.path().join("the-file");
7121 let buffer = project
7122 .update(cx, |p, cx| p.open_buffer((worktree_id, "the-file"), cx))
7123 .await
7124 .unwrap();
7125
7126 // TODO
7127 // Add a cursor on each row.
7128 // let selection_set_id = buffer.update(&mut cx, |buffer, cx| {
7129 // assert!(!buffer.is_dirty());
7130 // buffer.add_selection_set(
7131 // &(0..3)
7132 // .map(|row| Selection {
7133 // id: row as usize,
7134 // start: Point::new(row, 1),
7135 // end: Point::new(row, 1),
7136 // reversed: false,
7137 // goal: SelectionGoal::None,
7138 // })
7139 // .collect::<Vec<_>>(),
7140 // cx,
7141 // )
7142 // });
7143
7144 // Change the file on disk, adding two new lines of text, and removing
7145 // one line.
7146 buffer.read_with(cx, |buffer, _| {
7147 assert!(!buffer.is_dirty());
7148 assert!(!buffer.has_conflict());
7149 });
7150 let new_contents = "AAAA\naaa\nBB\nbbbbb\n";
7151 fs::write(&abs_path, new_contents).unwrap();
7152
7153 // Because the buffer was not modified, it is reloaded from disk. Its
7154 // contents are edited according to the diff between the old and new
7155 // file contents.
7156 buffer
7157 .condition(&cx, |buffer, _| buffer.text() == new_contents)
7158 .await;
7159
7160 buffer.update(cx, |buffer, _| {
7161 assert_eq!(buffer.text(), new_contents);
7162 assert!(!buffer.is_dirty());
7163 assert!(!buffer.has_conflict());
7164
7165 // TODO
7166 // let cursor_positions = buffer
7167 // .selection_set(selection_set_id)
7168 // .unwrap()
7169 // .selections::<Point>(&*buffer)
7170 // .map(|selection| {
7171 // assert_eq!(selection.start, selection.end);
7172 // selection.start
7173 // })
7174 // .collect::<Vec<_>>();
7175 // assert_eq!(
7176 // cursor_positions,
7177 // [Point::new(1, 1), Point::new(3, 1), Point::new(4, 0)]
7178 // );
7179 });
7180
7181 // Modify the buffer
7182 buffer.update(cx, |buffer, cx| {
7183 buffer.edit(vec![0..0], " ", cx);
7184 assert!(buffer.is_dirty());
7185 assert!(!buffer.has_conflict());
7186 });
7187
7188 // Change the file on disk again, adding blank lines to the beginning.
7189 fs::write(&abs_path, "\n\n\nAAAA\naaa\nBB\nbbbbb\n").unwrap();
7190
7191 // Because the buffer is modified, it doesn't reload from disk, but is
7192 // marked as having a conflict.
7193 buffer
7194 .condition(&cx, |buffer, _| buffer.has_conflict())
7195 .await;
7196 }
7197
7198 #[gpui::test]
7199 async fn test_grouped_diagnostics(cx: &mut gpui::TestAppContext) {
7200 cx.foreground().forbid_parking();
7201
7202 let fs = FakeFs::new(cx.background());
7203 fs.insert_tree(
7204 "/the-dir",
7205 json!({
7206 "a.rs": "
7207 fn foo(mut v: Vec<usize>) {
7208 for x in &v {
7209 v.push(1);
7210 }
7211 }
7212 "
7213 .unindent(),
7214 }),
7215 )
7216 .await;
7217
7218 let project = Project::test(fs.clone(), cx);
7219 let (worktree, _) = project
7220 .update(cx, |p, cx| {
7221 p.find_or_create_local_worktree("/the-dir", true, cx)
7222 })
7223 .await
7224 .unwrap();
7225 let worktree_id = worktree.read_with(cx, |tree, _| tree.id());
7226
7227 let buffer = project
7228 .update(cx, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx))
7229 .await
7230 .unwrap();
7231
7232 let buffer_uri = Url::from_file_path("/the-dir/a.rs").unwrap();
7233 let message = lsp::PublishDiagnosticsParams {
7234 uri: buffer_uri.clone(),
7235 diagnostics: vec![
7236 lsp::Diagnostic {
7237 range: lsp::Range::new(lsp::Position::new(1, 8), lsp::Position::new(1, 9)),
7238 severity: Some(DiagnosticSeverity::WARNING),
7239 message: "error 1".to_string(),
7240 related_information: Some(vec![lsp::DiagnosticRelatedInformation {
7241 location: lsp::Location {
7242 uri: buffer_uri.clone(),
7243 range: lsp::Range::new(
7244 lsp::Position::new(1, 8),
7245 lsp::Position::new(1, 9),
7246 ),
7247 },
7248 message: "error 1 hint 1".to_string(),
7249 }]),
7250 ..Default::default()
7251 },
7252 lsp::Diagnostic {
7253 range: lsp::Range::new(lsp::Position::new(1, 8), lsp::Position::new(1, 9)),
7254 severity: Some(DiagnosticSeverity::HINT),
7255 message: "error 1 hint 1".to_string(),
7256 related_information: Some(vec![lsp::DiagnosticRelatedInformation {
7257 location: lsp::Location {
7258 uri: buffer_uri.clone(),
7259 range: lsp::Range::new(
7260 lsp::Position::new(1, 8),
7261 lsp::Position::new(1, 9),
7262 ),
7263 },
7264 message: "original diagnostic".to_string(),
7265 }]),
7266 ..Default::default()
7267 },
7268 lsp::Diagnostic {
7269 range: lsp::Range::new(lsp::Position::new(2, 8), lsp::Position::new(2, 17)),
7270 severity: Some(DiagnosticSeverity::ERROR),
7271 message: "error 2".to_string(),
7272 related_information: Some(vec![
7273 lsp::DiagnosticRelatedInformation {
7274 location: lsp::Location {
7275 uri: buffer_uri.clone(),
7276 range: lsp::Range::new(
7277 lsp::Position::new(1, 13),
7278 lsp::Position::new(1, 15),
7279 ),
7280 },
7281 message: "error 2 hint 1".to_string(),
7282 },
7283 lsp::DiagnosticRelatedInformation {
7284 location: lsp::Location {
7285 uri: buffer_uri.clone(),
7286 range: lsp::Range::new(
7287 lsp::Position::new(1, 13),
7288 lsp::Position::new(1, 15),
7289 ),
7290 },
7291 message: "error 2 hint 2".to_string(),
7292 },
7293 ]),
7294 ..Default::default()
7295 },
7296 lsp::Diagnostic {
7297 range: lsp::Range::new(lsp::Position::new(1, 13), lsp::Position::new(1, 15)),
7298 severity: Some(DiagnosticSeverity::HINT),
7299 message: "error 2 hint 1".to_string(),
7300 related_information: Some(vec![lsp::DiagnosticRelatedInformation {
7301 location: lsp::Location {
7302 uri: buffer_uri.clone(),
7303 range: lsp::Range::new(
7304 lsp::Position::new(2, 8),
7305 lsp::Position::new(2, 17),
7306 ),
7307 },
7308 message: "original diagnostic".to_string(),
7309 }]),
7310 ..Default::default()
7311 },
7312 lsp::Diagnostic {
7313 range: lsp::Range::new(lsp::Position::new(1, 13), lsp::Position::new(1, 15)),
7314 severity: Some(DiagnosticSeverity::HINT),
7315 message: "error 2 hint 2".to_string(),
7316 related_information: Some(vec![lsp::DiagnosticRelatedInformation {
7317 location: lsp::Location {
7318 uri: buffer_uri.clone(),
7319 range: lsp::Range::new(
7320 lsp::Position::new(2, 8),
7321 lsp::Position::new(2, 17),
7322 ),
7323 },
7324 message: "original diagnostic".to_string(),
7325 }]),
7326 ..Default::default()
7327 },
7328 ],
7329 version: None,
7330 };
7331
7332 project
7333 .update(cx, |p, cx| p.update_diagnostics(message, &[], cx))
7334 .unwrap();
7335 let buffer = buffer.read_with(cx, |buffer, _| buffer.snapshot());
7336
7337 assert_eq!(
7338 buffer
7339 .diagnostics_in_range::<_, Point>(0..buffer.len(), false)
7340 .collect::<Vec<_>>(),
7341 &[
7342 DiagnosticEntry {
7343 range: Point::new(1, 8)..Point::new(1, 9),
7344 diagnostic: Diagnostic {
7345 severity: DiagnosticSeverity::WARNING,
7346 message: "error 1".to_string(),
7347 group_id: 0,
7348 is_primary: true,
7349 ..Default::default()
7350 }
7351 },
7352 DiagnosticEntry {
7353 range: Point::new(1, 8)..Point::new(1, 9),
7354 diagnostic: Diagnostic {
7355 severity: DiagnosticSeverity::HINT,
7356 message: "error 1 hint 1".to_string(),
7357 group_id: 0,
7358 is_primary: false,
7359 ..Default::default()
7360 }
7361 },
7362 DiagnosticEntry {
7363 range: Point::new(1, 13)..Point::new(1, 15),
7364 diagnostic: Diagnostic {
7365 severity: DiagnosticSeverity::HINT,
7366 message: "error 2 hint 1".to_string(),
7367 group_id: 1,
7368 is_primary: false,
7369 ..Default::default()
7370 }
7371 },
7372 DiagnosticEntry {
7373 range: Point::new(1, 13)..Point::new(1, 15),
7374 diagnostic: Diagnostic {
7375 severity: DiagnosticSeverity::HINT,
7376 message: "error 2 hint 2".to_string(),
7377 group_id: 1,
7378 is_primary: false,
7379 ..Default::default()
7380 }
7381 },
7382 DiagnosticEntry {
7383 range: Point::new(2, 8)..Point::new(2, 17),
7384 diagnostic: Diagnostic {
7385 severity: DiagnosticSeverity::ERROR,
7386 message: "error 2".to_string(),
7387 group_id: 1,
7388 is_primary: true,
7389 ..Default::default()
7390 }
7391 }
7392 ]
7393 );
7394
7395 assert_eq!(
7396 buffer.diagnostic_group::<Point>(0).collect::<Vec<_>>(),
7397 &[
7398 DiagnosticEntry {
7399 range: Point::new(1, 8)..Point::new(1, 9),
7400 diagnostic: Diagnostic {
7401 severity: DiagnosticSeverity::WARNING,
7402 message: "error 1".to_string(),
7403 group_id: 0,
7404 is_primary: true,
7405 ..Default::default()
7406 }
7407 },
7408 DiagnosticEntry {
7409 range: Point::new(1, 8)..Point::new(1, 9),
7410 diagnostic: Diagnostic {
7411 severity: DiagnosticSeverity::HINT,
7412 message: "error 1 hint 1".to_string(),
7413 group_id: 0,
7414 is_primary: false,
7415 ..Default::default()
7416 }
7417 },
7418 ]
7419 );
7420 assert_eq!(
7421 buffer.diagnostic_group::<Point>(1).collect::<Vec<_>>(),
7422 &[
7423 DiagnosticEntry {
7424 range: Point::new(1, 13)..Point::new(1, 15),
7425 diagnostic: Diagnostic {
7426 severity: DiagnosticSeverity::HINT,
7427 message: "error 2 hint 1".to_string(),
7428 group_id: 1,
7429 is_primary: false,
7430 ..Default::default()
7431 }
7432 },
7433 DiagnosticEntry {
7434 range: Point::new(1, 13)..Point::new(1, 15),
7435 diagnostic: Diagnostic {
7436 severity: DiagnosticSeverity::HINT,
7437 message: "error 2 hint 2".to_string(),
7438 group_id: 1,
7439 is_primary: false,
7440 ..Default::default()
7441 }
7442 },
7443 DiagnosticEntry {
7444 range: Point::new(2, 8)..Point::new(2, 17),
7445 diagnostic: Diagnostic {
7446 severity: DiagnosticSeverity::ERROR,
7447 message: "error 2".to_string(),
7448 group_id: 1,
7449 is_primary: true,
7450 ..Default::default()
7451 }
7452 }
7453 ]
7454 );
7455 }
7456
7457 #[gpui::test]
7458 async fn test_rename(cx: &mut gpui::TestAppContext) {
7459 cx.foreground().forbid_parking();
7460
7461 let mut language = Language::new(
7462 LanguageConfig {
7463 name: "Rust".into(),
7464 path_suffixes: vec!["rs".to_string()],
7465 ..Default::default()
7466 },
7467 Some(tree_sitter_rust::language()),
7468 );
7469 let mut fake_servers = language.set_fake_lsp_adapter(FakeLspAdapter {
7470 capabilities: lsp::ServerCapabilities {
7471 rename_provider: Some(lsp::OneOf::Right(lsp::RenameOptions {
7472 prepare_provider: Some(true),
7473 work_done_progress_options: Default::default(),
7474 })),
7475 ..Default::default()
7476 },
7477 ..Default::default()
7478 });
7479
7480 let fs = FakeFs::new(cx.background());
7481 fs.insert_tree(
7482 "/dir",
7483 json!({
7484 "one.rs": "const ONE: usize = 1;",
7485 "two.rs": "const TWO: usize = one::ONE + one::ONE;"
7486 }),
7487 )
7488 .await;
7489
7490 let project = Project::test(fs.clone(), cx);
7491 project.update(cx, |project, _| project.languages.add(Arc::new(language)));
7492
7493 let (tree, _) = project
7494 .update(cx, |project, cx| {
7495 project.find_or_create_local_worktree("/dir", true, cx)
7496 })
7497 .await
7498 .unwrap();
7499 let worktree_id = tree.read_with(cx, |tree, _| tree.id());
7500 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
7501 .await;
7502
7503 let buffer = project
7504 .update(cx, |project, cx| {
7505 project.open_buffer((worktree_id, Path::new("one.rs")), cx)
7506 })
7507 .await
7508 .unwrap();
7509
7510 let fake_server = fake_servers.next().await.unwrap();
7511
7512 let response = project.update(cx, |project, cx| {
7513 project.prepare_rename(buffer.clone(), 7, cx)
7514 });
7515 fake_server
7516 .handle_request::<lsp::request::PrepareRenameRequest, _, _>(|params, _| async move {
7517 assert_eq!(params.text_document.uri.as_str(), "file:///dir/one.rs");
7518 assert_eq!(params.position, lsp::Position::new(0, 7));
7519 Ok(Some(lsp::PrepareRenameResponse::Range(lsp::Range::new(
7520 lsp::Position::new(0, 6),
7521 lsp::Position::new(0, 9),
7522 ))))
7523 })
7524 .next()
7525 .await
7526 .unwrap();
7527 let range = response.await.unwrap().unwrap();
7528 let range = buffer.read_with(cx, |buffer, _| range.to_offset(buffer));
7529 assert_eq!(range, 6..9);
7530
7531 let response = project.update(cx, |project, cx| {
7532 project.perform_rename(buffer.clone(), 7, "THREE".to_string(), true, cx)
7533 });
7534 fake_server
7535 .handle_request::<lsp::request::Rename, _, _>(|params, _| async move {
7536 assert_eq!(
7537 params.text_document_position.text_document.uri.as_str(),
7538 "file:///dir/one.rs"
7539 );
7540 assert_eq!(
7541 params.text_document_position.position,
7542 lsp::Position::new(0, 7)
7543 );
7544 assert_eq!(params.new_name, "THREE");
7545 Ok(Some(lsp::WorkspaceEdit {
7546 changes: Some(
7547 [
7548 (
7549 lsp::Url::from_file_path("/dir/one.rs").unwrap(),
7550 vec![lsp::TextEdit::new(
7551 lsp::Range::new(
7552 lsp::Position::new(0, 6),
7553 lsp::Position::new(0, 9),
7554 ),
7555 "THREE".to_string(),
7556 )],
7557 ),
7558 (
7559 lsp::Url::from_file_path("/dir/two.rs").unwrap(),
7560 vec![
7561 lsp::TextEdit::new(
7562 lsp::Range::new(
7563 lsp::Position::new(0, 24),
7564 lsp::Position::new(0, 27),
7565 ),
7566 "THREE".to_string(),
7567 ),
7568 lsp::TextEdit::new(
7569 lsp::Range::new(
7570 lsp::Position::new(0, 35),
7571 lsp::Position::new(0, 38),
7572 ),
7573 "THREE".to_string(),
7574 ),
7575 ],
7576 ),
7577 ]
7578 .into_iter()
7579 .collect(),
7580 ),
7581 ..Default::default()
7582 }))
7583 })
7584 .next()
7585 .await
7586 .unwrap();
7587 let mut transaction = response.await.unwrap().0;
7588 assert_eq!(transaction.len(), 2);
7589 assert_eq!(
7590 transaction
7591 .remove_entry(&buffer)
7592 .unwrap()
7593 .0
7594 .read_with(cx, |buffer, _| buffer.text()),
7595 "const THREE: usize = 1;"
7596 );
7597 assert_eq!(
7598 transaction
7599 .into_keys()
7600 .next()
7601 .unwrap()
7602 .read_with(cx, |buffer, _| buffer.text()),
7603 "const TWO: usize = one::THREE + one::THREE;"
7604 );
7605 }
7606
7607 #[gpui::test]
7608 async fn test_search(cx: &mut gpui::TestAppContext) {
7609 let fs = FakeFs::new(cx.background());
7610 fs.insert_tree(
7611 "/dir",
7612 json!({
7613 "one.rs": "const ONE: usize = 1;",
7614 "two.rs": "const TWO: usize = one::ONE + one::ONE;",
7615 "three.rs": "const THREE: usize = one::ONE + two::TWO;",
7616 "four.rs": "const FOUR: usize = one::ONE + three::THREE;",
7617 }),
7618 )
7619 .await;
7620 let project = Project::test(fs.clone(), cx);
7621 let (tree, _) = project
7622 .update(cx, |project, cx| {
7623 project.find_or_create_local_worktree("/dir", true, cx)
7624 })
7625 .await
7626 .unwrap();
7627 let worktree_id = tree.read_with(cx, |tree, _| tree.id());
7628 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
7629 .await;
7630
7631 assert_eq!(
7632 search(&project, SearchQuery::text("TWO", false, true), cx)
7633 .await
7634 .unwrap(),
7635 HashMap::from_iter([
7636 ("two.rs".to_string(), vec![6..9]),
7637 ("three.rs".to_string(), vec![37..40])
7638 ])
7639 );
7640
7641 let buffer_4 = project
7642 .update(cx, |project, cx| {
7643 project.open_buffer((worktree_id, "four.rs"), cx)
7644 })
7645 .await
7646 .unwrap();
7647 buffer_4.update(cx, |buffer, cx| {
7648 buffer.edit([20..28, 31..43], "two::TWO", cx);
7649 });
7650
7651 assert_eq!(
7652 search(&project, SearchQuery::text("TWO", false, true), cx)
7653 .await
7654 .unwrap(),
7655 HashMap::from_iter([
7656 ("two.rs".to_string(), vec![6..9]),
7657 ("three.rs".to_string(), vec![37..40]),
7658 ("four.rs".to_string(), vec![25..28, 36..39])
7659 ])
7660 );
7661
7662 async fn search(
7663 project: &ModelHandle<Project>,
7664 query: SearchQuery,
7665 cx: &mut gpui::TestAppContext,
7666 ) -> Result<HashMap<String, Vec<Range<usize>>>> {
7667 let results = project
7668 .update(cx, |project, cx| project.search(query, cx))
7669 .await?;
7670
7671 Ok(results
7672 .into_iter()
7673 .map(|(buffer, ranges)| {
7674 buffer.read_with(cx, |buffer, _| {
7675 let path = buffer.file().unwrap().path().to_string_lossy().to_string();
7676 let ranges = ranges
7677 .into_iter()
7678 .map(|range| range.to_offset(buffer))
7679 .collect::<Vec<_>>();
7680 (path, ranges)
7681 })
7682 })
7683 .collect())
7684 }
7685 }
7686}