1mod ignore;
2mod lsp_command;
3pub mod project_settings;
4pub mod search;
5pub mod terminals;
6pub mod worktree;
7
8#[cfg(test)]
9mod project_tests;
10#[cfg(test)]
11mod worktree_tests;
12
13use anyhow::{anyhow, Context, Result};
14use client::{proto, Client, TypedEnvelope, UserStore};
15use clock::ReplicaId;
16use collections::{hash_map, BTreeMap, HashMap, HashSet};
17use copilot::Copilot;
18use futures::{
19 channel::{
20 mpsc::{self, UnboundedReceiver},
21 oneshot,
22 },
23 future::{try_join_all, Shared},
24 stream::FuturesUnordered,
25 AsyncWriteExt, Future, FutureExt, StreamExt, TryFutureExt,
26};
27use globset::{Glob, GlobSet, GlobSetBuilder};
28use gpui::{
29 AnyModelHandle, AppContext, AsyncAppContext, BorrowAppContext, Entity, ModelContext,
30 ModelHandle, Task, WeakModelHandle,
31};
32use itertools::Itertools;
33use language::{
34 language_settings::{language_settings, FormatOnSave, Formatter, InlayHintKind},
35 point_to_lsp,
36 proto::{
37 deserialize_anchor, deserialize_fingerprint, deserialize_line_ending, deserialize_version,
38 serialize_anchor, serialize_version,
39 },
40 range_from_lsp, range_to_lsp, Bias, Buffer, CachedLspAdapter, CodeAction, CodeLabel,
41 Completion, Diagnostic, DiagnosticEntry, DiagnosticSet, Diff, Event as BufferEvent, File as _,
42 Language, LanguageRegistry, LanguageServerName, LocalFile, LspAdapterDelegate, OffsetRangeExt,
43 Operation, Patch, PendingLanguageServer, PointUtf16, TextBufferSnapshot, ToOffset,
44 ToPointUtf16, Transaction, Unclipped,
45};
46use log::error;
47use lsp::{
48 DiagnosticSeverity, DiagnosticTag, DidChangeWatchedFilesRegistrationOptions,
49 DocumentHighlightKind, LanguageServer, LanguageServerBinary, LanguageServerId, OneOf,
50};
51use lsp_command::*;
52use postage::watch;
53use project_settings::{LspSettings, ProjectSettings};
54use rand::prelude::*;
55use search::SearchQuery;
56use serde::Serialize;
57use settings::SettingsStore;
58use sha2::{Digest, Sha256};
59use similar::{ChangeTag, TextDiff};
60use std::{
61 cell::RefCell,
62 cmp::{self, Ordering},
63 convert::TryInto,
64 hash::Hash,
65 mem,
66 num::NonZeroU32,
67 ops::Range,
68 path::{self, Component, Path, PathBuf},
69 process::Stdio,
70 rc::Rc,
71 str,
72 sync::{
73 atomic::{AtomicUsize, Ordering::SeqCst},
74 Arc,
75 },
76 time::{Duration, Instant},
77};
78use terminals::Terminals;
79use text::Anchor;
80use util::{
81 debug_panic, defer, http::HttpClient, merge_json_value_into,
82 paths::LOCAL_SETTINGS_RELATIVE_PATH, post_inc, ResultExt, TryFutureExt as _,
83};
84
85pub use fs::*;
86pub use worktree::*;
87
88pub trait Item {
89 fn entry_id(&self, cx: &AppContext) -> Option<ProjectEntryId>;
90 fn project_path(&self, cx: &AppContext) -> Option<ProjectPath>;
91}
92
93// Language server state is stored across 3 collections:
94// language_servers =>
95// a mapping from unique server id to LanguageServerState which can either be a task for a
96// server in the process of starting, or a running server with adapter and language server arcs
97// language_server_ids => a mapping from worktreeId and server name to the unique server id
98// language_server_statuses => a mapping from unique server id to the current server status
99//
100// Multiple worktrees can map to the same language server for example when you jump to the definition
101// of a file in the standard library. So language_server_ids is used to look up which server is active
102// for a given worktree and language server name
103//
104// When starting a language server, first the id map is checked to make sure a server isn't already available
105// for that worktree. If there is one, it finishes early. Otherwise, a new id is allocated and and
106// the Starting variant of LanguageServerState is stored in the language_servers map.
107pub struct Project {
108 worktrees: Vec<WorktreeHandle>,
109 active_entry: Option<ProjectEntryId>,
110 buffer_ordered_messages_tx: mpsc::UnboundedSender<BufferOrderedMessage>,
111 languages: Arc<LanguageRegistry>,
112 language_servers: HashMap<LanguageServerId, LanguageServerState>,
113 language_server_ids: HashMap<(WorktreeId, LanguageServerName), LanguageServerId>,
114 language_server_statuses: BTreeMap<LanguageServerId, LanguageServerStatus>,
115 last_workspace_edits_by_language_server: HashMap<LanguageServerId, ProjectTransaction>,
116 client: Arc<client::Client>,
117 next_entry_id: Arc<AtomicUsize>,
118 join_project_response_message_id: u32,
119 next_diagnostic_group_id: usize,
120 user_store: ModelHandle<UserStore>,
121 fs: Arc<dyn Fs>,
122 client_state: Option<ProjectClientState>,
123 collaborators: HashMap<proto::PeerId, Collaborator>,
124 client_subscriptions: Vec<client::Subscription>,
125 _subscriptions: Vec<gpui::Subscription>,
126 next_buffer_id: u64,
127 opened_buffer: (watch::Sender<()>, watch::Receiver<()>),
128 shared_buffers: HashMap<proto::PeerId, HashSet<u64>>,
129 #[allow(clippy::type_complexity)]
130 loading_buffers_by_path: HashMap<
131 ProjectPath,
132 postage::watch::Receiver<Option<Result<ModelHandle<Buffer>, Arc<anyhow::Error>>>>,
133 >,
134 #[allow(clippy::type_complexity)]
135 loading_local_worktrees:
136 HashMap<Arc<Path>, Shared<Task<Result<ModelHandle<Worktree>, Arc<anyhow::Error>>>>>,
137 opened_buffers: HashMap<u64, OpenBuffer>,
138 local_buffer_ids_by_path: HashMap<ProjectPath, u64>,
139 local_buffer_ids_by_entry_id: HashMap<ProjectEntryId, u64>,
140 /// A mapping from a buffer ID to None means that we've started waiting for an ID but haven't finished loading it.
141 /// Used for re-issuing buffer requests when peers temporarily disconnect
142 incomplete_remote_buffers: HashMap<u64, Option<ModelHandle<Buffer>>>,
143 buffer_snapshots: HashMap<u64, HashMap<LanguageServerId, Vec<LspBufferSnapshot>>>, // buffer_id -> server_id -> vec of snapshots
144 buffers_being_formatted: HashSet<u64>,
145 buffers_needing_diff: HashSet<WeakModelHandle<Buffer>>,
146 git_diff_debouncer: DelayedDebounced,
147 nonce: u128,
148 _maintain_buffer_languages: Task<()>,
149 _maintain_workspace_config: Task<()>,
150 terminals: Terminals,
151 copilot_enabled: bool,
152 current_lsp_settings: HashMap<Arc<str>, LspSettings>,
153}
154
155struct DelayedDebounced {
156 task: Option<Task<()>>,
157 cancel_channel: Option<oneshot::Sender<()>>,
158}
159
160impl DelayedDebounced {
161 fn new() -> DelayedDebounced {
162 DelayedDebounced {
163 task: None,
164 cancel_channel: None,
165 }
166 }
167
168 fn fire_new<F>(&mut self, delay: Duration, cx: &mut ModelContext<Project>, func: F)
169 where
170 F: 'static + FnOnce(&mut Project, &mut ModelContext<Project>) -> Task<()>,
171 {
172 if let Some(channel) = self.cancel_channel.take() {
173 _ = channel.send(());
174 }
175
176 let (sender, mut receiver) = oneshot::channel::<()>();
177 self.cancel_channel = Some(sender);
178
179 let previous_task = self.task.take();
180 self.task = Some(cx.spawn(|workspace, mut cx| async move {
181 let mut timer = cx.background().timer(delay).fuse();
182 if let Some(previous_task) = previous_task {
183 previous_task.await;
184 }
185
186 futures::select_biased! {
187 _ = receiver => return,
188 _ = timer => {}
189 }
190
191 workspace
192 .update(&mut cx, |workspace, cx| (func)(workspace, cx))
193 .await;
194 }));
195 }
196}
197
198struct LspBufferSnapshot {
199 version: i32,
200 snapshot: TextBufferSnapshot,
201}
202
203/// Message ordered with respect to buffer operations
204enum BufferOrderedMessage {
205 Operation {
206 buffer_id: u64,
207 operation: proto::Operation,
208 },
209 LanguageServerUpdate {
210 language_server_id: LanguageServerId,
211 message: proto::update_language_server::Variant,
212 },
213 Resync,
214}
215
216enum LocalProjectUpdate {
217 WorktreesChanged,
218 CreateBufferForPeer {
219 peer_id: proto::PeerId,
220 buffer_id: u64,
221 },
222}
223
224enum OpenBuffer {
225 Strong(ModelHandle<Buffer>),
226 Weak(WeakModelHandle<Buffer>),
227 Operations(Vec<Operation>),
228}
229
230#[derive(Clone)]
231enum WorktreeHandle {
232 Strong(ModelHandle<Worktree>),
233 Weak(WeakModelHandle<Worktree>),
234}
235
236enum ProjectClientState {
237 Local {
238 remote_id: u64,
239 updates_tx: mpsc::UnboundedSender<LocalProjectUpdate>,
240 _send_updates: Task<()>,
241 },
242 Remote {
243 sharing_has_stopped: bool,
244 remote_id: u64,
245 replica_id: ReplicaId,
246 },
247}
248
249#[derive(Clone, Debug)]
250pub struct Collaborator {
251 pub peer_id: proto::PeerId,
252 pub replica_id: ReplicaId,
253}
254
255#[derive(Clone, Debug, PartialEq)]
256pub enum Event {
257 LanguageServerAdded(LanguageServerId),
258 LanguageServerRemoved(LanguageServerId),
259 LanguageServerLog(LanguageServerId, String),
260 Notification(String),
261 ActiveEntryChanged(Option<ProjectEntryId>),
262 ActivateProjectPanel,
263 WorktreeAdded,
264 WorktreeRemoved(WorktreeId),
265 WorktreeUpdatedEntries(WorktreeId, UpdatedEntriesSet),
266 DiskBasedDiagnosticsStarted {
267 language_server_id: LanguageServerId,
268 },
269 DiskBasedDiagnosticsFinished {
270 language_server_id: LanguageServerId,
271 },
272 DiagnosticsUpdated {
273 path: ProjectPath,
274 language_server_id: LanguageServerId,
275 },
276 RemoteIdChanged(Option<u64>),
277 DisconnectedFromHost,
278 Closed,
279 DeletedEntry(ProjectEntryId),
280 CollaboratorUpdated {
281 old_peer_id: proto::PeerId,
282 new_peer_id: proto::PeerId,
283 },
284 CollaboratorLeft(proto::PeerId),
285 RefreshInlays,
286}
287
288pub enum LanguageServerState {
289 Starting(Task<Option<Arc<LanguageServer>>>),
290
291 Running {
292 language: Arc<Language>,
293 adapter: Arc<CachedLspAdapter>,
294 server: Arc<LanguageServer>,
295 watched_paths: HashMap<WorktreeId, GlobSet>,
296 simulate_disk_based_diagnostics_completion: Option<Task<()>>,
297 },
298}
299
300#[derive(Serialize)]
301pub struct LanguageServerStatus {
302 pub name: String,
303 pub pending_work: BTreeMap<String, LanguageServerProgress>,
304 pub has_pending_diagnostic_updates: bool,
305 progress_tokens: HashSet<String>,
306}
307
308#[derive(Clone, Debug, Serialize)]
309pub struct LanguageServerProgress {
310 pub message: Option<String>,
311 pub percentage: Option<usize>,
312 #[serde(skip_serializing)]
313 pub last_update_at: Instant,
314}
315
316#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
317pub struct ProjectPath {
318 pub worktree_id: WorktreeId,
319 pub path: Arc<Path>,
320}
321
322#[derive(Copy, Clone, Debug, Default, PartialEq, Serialize)]
323pub struct DiagnosticSummary {
324 pub error_count: usize,
325 pub warning_count: usize,
326}
327
328#[derive(Debug, Clone, PartialEq, Eq, Hash)]
329pub struct Location {
330 pub buffer: ModelHandle<Buffer>,
331 pub range: Range<language::Anchor>,
332}
333
334#[derive(Debug, Clone, PartialEq, Eq, Hash)]
335pub struct InlayHint {
336 pub buffer_id: u64,
337 pub position: language::Anchor,
338 pub label: InlayHintLabel,
339 pub kind: Option<InlayHintKind>,
340 pub padding_left: bool,
341 pub padding_right: bool,
342 pub tooltip: Option<InlayHintTooltip>,
343}
344
345impl InlayHint {
346 pub fn text(&self) -> String {
347 match &self.label {
348 InlayHintLabel::String(s) => s.to_owned(),
349 InlayHintLabel::LabelParts(parts) => parts.iter().map(|part| &part.value).join(""),
350 }
351 }
352}
353
354#[derive(Debug, Clone, PartialEq, Eq, Hash)]
355pub enum InlayHintLabel {
356 String(String),
357 LabelParts(Vec<InlayHintLabelPart>),
358}
359
360#[derive(Debug, Clone, PartialEq, Eq, Hash)]
361pub struct InlayHintLabelPart {
362 pub value: String,
363 pub tooltip: Option<InlayHintLabelPartTooltip>,
364 pub location: Option<Location>,
365}
366
367#[derive(Debug, Clone, PartialEq, Eq, Hash)]
368pub enum InlayHintTooltip {
369 String(String),
370 MarkupContent(MarkupContent),
371}
372
373#[derive(Debug, Clone, PartialEq, Eq, Hash)]
374pub enum InlayHintLabelPartTooltip {
375 String(String),
376 MarkupContent(MarkupContent),
377}
378
379#[derive(Debug, Clone, PartialEq, Eq, Hash)]
380pub struct MarkupContent {
381 pub kind: String,
382 pub value: String,
383}
384
385#[derive(Debug, Clone)]
386pub struct LocationLink {
387 pub origin: Option<Location>,
388 pub target: Location,
389}
390
391#[derive(Debug)]
392pub struct DocumentHighlight {
393 pub range: Range<language::Anchor>,
394 pub kind: DocumentHighlightKind,
395}
396
397#[derive(Clone, Debug)]
398pub struct Symbol {
399 pub language_server_name: LanguageServerName,
400 pub source_worktree_id: WorktreeId,
401 pub path: ProjectPath,
402 pub label: CodeLabel,
403 pub name: String,
404 pub kind: lsp::SymbolKind,
405 pub range: Range<Unclipped<PointUtf16>>,
406 pub signature: [u8; 32],
407}
408
409#[derive(Clone, Debug, PartialEq)]
410pub struct HoverBlock {
411 pub text: String,
412 pub kind: HoverBlockKind,
413}
414
415#[derive(Clone, Debug, PartialEq)]
416pub enum HoverBlockKind {
417 PlainText,
418 Markdown,
419 Code { language: String },
420}
421
422#[derive(Debug)]
423pub struct Hover {
424 pub contents: Vec<HoverBlock>,
425 pub range: Option<Range<language::Anchor>>,
426 pub language: Option<Arc<Language>>,
427}
428
429impl Hover {
430 pub fn is_empty(&self) -> bool {
431 self.contents.iter().all(|block| block.text.is_empty())
432 }
433}
434
435#[derive(Default)]
436pub struct ProjectTransaction(pub HashMap<ModelHandle<Buffer>, language::Transaction>);
437
438impl DiagnosticSummary {
439 fn new<'a, T: 'a>(diagnostics: impl IntoIterator<Item = &'a DiagnosticEntry<T>>) -> Self {
440 let mut this = Self {
441 error_count: 0,
442 warning_count: 0,
443 };
444
445 for entry in diagnostics {
446 if entry.diagnostic.is_primary {
447 match entry.diagnostic.severity {
448 DiagnosticSeverity::ERROR => this.error_count += 1,
449 DiagnosticSeverity::WARNING => this.warning_count += 1,
450 _ => {}
451 }
452 }
453 }
454
455 this
456 }
457
458 pub fn is_empty(&self) -> bool {
459 self.error_count == 0 && self.warning_count == 0
460 }
461
462 pub fn to_proto(
463 &self,
464 language_server_id: LanguageServerId,
465 path: &Path,
466 ) -> proto::DiagnosticSummary {
467 proto::DiagnosticSummary {
468 path: path.to_string_lossy().to_string(),
469 language_server_id: language_server_id.0 as u64,
470 error_count: self.error_count as u32,
471 warning_count: self.warning_count as u32,
472 }
473 }
474}
475
476#[derive(Clone, Copy, Debug, Default, Hash, PartialEq, Eq, PartialOrd, Ord)]
477pub struct ProjectEntryId(usize);
478
479impl ProjectEntryId {
480 pub const MAX: Self = Self(usize::MAX);
481
482 pub fn new(counter: &AtomicUsize) -> Self {
483 Self(counter.fetch_add(1, SeqCst))
484 }
485
486 pub fn from_proto(id: u64) -> Self {
487 Self(id as usize)
488 }
489
490 pub fn to_proto(&self) -> u64 {
491 self.0 as u64
492 }
493
494 pub fn to_usize(&self) -> usize {
495 self.0
496 }
497}
498
499#[derive(Debug, Clone, Copy, PartialEq, Eq)]
500pub enum FormatTrigger {
501 Save,
502 Manual,
503}
504
505struct ProjectLspAdapterDelegate {
506 project: ModelHandle<Project>,
507 http_client: Arc<dyn HttpClient>,
508}
509
510impl FormatTrigger {
511 fn from_proto(value: i32) -> FormatTrigger {
512 match value {
513 0 => FormatTrigger::Save,
514 1 => FormatTrigger::Manual,
515 _ => FormatTrigger::Save,
516 }
517 }
518}
519
520impl Project {
521 pub fn init_settings(cx: &mut AppContext) {
522 settings::register::<ProjectSettings>(cx);
523 }
524
525 pub fn init(client: &Arc<Client>, cx: &mut AppContext) {
526 Self::init_settings(cx);
527
528 client.add_model_message_handler(Self::handle_add_collaborator);
529 client.add_model_message_handler(Self::handle_update_project_collaborator);
530 client.add_model_message_handler(Self::handle_remove_collaborator);
531 client.add_model_message_handler(Self::handle_buffer_reloaded);
532 client.add_model_message_handler(Self::handle_buffer_saved);
533 client.add_model_message_handler(Self::handle_start_language_server);
534 client.add_model_message_handler(Self::handle_update_language_server);
535 client.add_model_message_handler(Self::handle_update_project);
536 client.add_model_message_handler(Self::handle_unshare_project);
537 client.add_model_message_handler(Self::handle_create_buffer_for_peer);
538 client.add_model_message_handler(Self::handle_update_buffer_file);
539 client.add_model_request_handler(Self::handle_update_buffer);
540 client.add_model_message_handler(Self::handle_update_diagnostic_summary);
541 client.add_model_message_handler(Self::handle_update_worktree);
542 client.add_model_message_handler(Self::handle_update_worktree_settings);
543 client.add_model_request_handler(Self::handle_create_project_entry);
544 client.add_model_request_handler(Self::handle_rename_project_entry);
545 client.add_model_request_handler(Self::handle_copy_project_entry);
546 client.add_model_request_handler(Self::handle_delete_project_entry);
547 client.add_model_request_handler(Self::handle_expand_project_entry);
548 client.add_model_request_handler(Self::handle_apply_additional_edits_for_completion);
549 client.add_model_request_handler(Self::handle_apply_code_action);
550 client.add_model_request_handler(Self::handle_on_type_formatting);
551 client.add_model_request_handler(Self::handle_inlay_hints);
552 client.add_model_request_handler(Self::handle_refresh_inlay_hints);
553 client.add_model_request_handler(Self::handle_reload_buffers);
554 client.add_model_request_handler(Self::handle_synchronize_buffers);
555 client.add_model_request_handler(Self::handle_format_buffers);
556 client.add_model_request_handler(Self::handle_lsp_command::<GetCodeActions>);
557 client.add_model_request_handler(Self::handle_lsp_command::<GetCompletions>);
558 client.add_model_request_handler(Self::handle_lsp_command::<GetHover>);
559 client.add_model_request_handler(Self::handle_lsp_command::<GetDefinition>);
560 client.add_model_request_handler(Self::handle_lsp_command::<GetTypeDefinition>);
561 client.add_model_request_handler(Self::handle_lsp_command::<GetDocumentHighlights>);
562 client.add_model_request_handler(Self::handle_lsp_command::<GetReferences>);
563 client.add_model_request_handler(Self::handle_lsp_command::<PrepareRename>);
564 client.add_model_request_handler(Self::handle_lsp_command::<PerformRename>);
565 client.add_model_request_handler(Self::handle_search_project);
566 client.add_model_request_handler(Self::handle_get_project_symbols);
567 client.add_model_request_handler(Self::handle_open_buffer_for_symbol);
568 client.add_model_request_handler(Self::handle_open_buffer_by_id);
569 client.add_model_request_handler(Self::handle_open_buffer_by_path);
570 client.add_model_request_handler(Self::handle_save_buffer);
571 client.add_model_message_handler(Self::handle_update_diff_base);
572 }
573
574 pub fn local(
575 client: Arc<Client>,
576 user_store: ModelHandle<UserStore>,
577 languages: Arc<LanguageRegistry>,
578 fs: Arc<dyn Fs>,
579 cx: &mut AppContext,
580 ) -> ModelHandle<Self> {
581 cx.add_model(|cx: &mut ModelContext<Self>| {
582 let (tx, rx) = mpsc::unbounded();
583 cx.spawn_weak(|this, cx| Self::send_buffer_ordered_messages(this, rx, cx))
584 .detach();
585 Self {
586 worktrees: Default::default(),
587 buffer_ordered_messages_tx: tx,
588 collaborators: Default::default(),
589 next_buffer_id: 0,
590 opened_buffers: Default::default(),
591 shared_buffers: Default::default(),
592 incomplete_remote_buffers: Default::default(),
593 loading_buffers_by_path: Default::default(),
594 loading_local_worktrees: Default::default(),
595 local_buffer_ids_by_path: Default::default(),
596 local_buffer_ids_by_entry_id: Default::default(),
597 buffer_snapshots: Default::default(),
598 join_project_response_message_id: 0,
599 client_state: None,
600 opened_buffer: watch::channel(),
601 client_subscriptions: Vec::new(),
602 _subscriptions: vec![
603 cx.observe_global::<SettingsStore, _>(Self::on_settings_changed)
604 ],
605 _maintain_buffer_languages: Self::maintain_buffer_languages(languages.clone(), cx),
606 _maintain_workspace_config: Self::maintain_workspace_config(languages.clone(), cx),
607 active_entry: None,
608 languages,
609 client,
610 user_store,
611 fs,
612 next_entry_id: Default::default(),
613 next_diagnostic_group_id: Default::default(),
614 language_servers: Default::default(),
615 language_server_ids: Default::default(),
616 language_server_statuses: Default::default(),
617 last_workspace_edits_by_language_server: Default::default(),
618 buffers_being_formatted: Default::default(),
619 buffers_needing_diff: Default::default(),
620 git_diff_debouncer: DelayedDebounced::new(),
621 nonce: StdRng::from_entropy().gen(),
622 terminals: Terminals {
623 local_handles: Vec::new(),
624 },
625 copilot_enabled: Copilot::global(cx).is_some(),
626 current_lsp_settings: settings::get::<ProjectSettings>(cx).lsp.clone(),
627 }
628 })
629 }
630
631 pub async fn remote(
632 remote_id: u64,
633 client: Arc<Client>,
634 user_store: ModelHandle<UserStore>,
635 languages: Arc<LanguageRegistry>,
636 fs: Arc<dyn Fs>,
637 mut cx: AsyncAppContext,
638 ) -> Result<ModelHandle<Self>> {
639 client.authenticate_and_connect(true, &cx).await?;
640
641 let subscription = client.subscribe_to_entity(remote_id)?;
642 let response = client
643 .request_envelope(proto::JoinProject {
644 project_id: remote_id,
645 })
646 .await?;
647 let this = cx.add_model(|cx| {
648 let replica_id = response.payload.replica_id as ReplicaId;
649
650 let mut worktrees = Vec::new();
651 for worktree in response.payload.worktrees {
652 let worktree = cx.update(|cx| {
653 Worktree::remote(remote_id, replica_id, worktree, client.clone(), cx)
654 });
655 worktrees.push(worktree);
656 }
657
658 let (tx, rx) = mpsc::unbounded();
659 cx.spawn_weak(|this, cx| Self::send_buffer_ordered_messages(this, rx, cx))
660 .detach();
661 let mut this = Self {
662 worktrees: Vec::new(),
663 buffer_ordered_messages_tx: tx,
664 loading_buffers_by_path: Default::default(),
665 next_buffer_id: 0,
666 opened_buffer: watch::channel(),
667 shared_buffers: Default::default(),
668 incomplete_remote_buffers: Default::default(),
669 loading_local_worktrees: Default::default(),
670 local_buffer_ids_by_path: Default::default(),
671 local_buffer_ids_by_entry_id: Default::default(),
672 active_entry: None,
673 collaborators: Default::default(),
674 join_project_response_message_id: response.message_id,
675 _maintain_buffer_languages: Self::maintain_buffer_languages(languages.clone(), cx),
676 _maintain_workspace_config: Self::maintain_workspace_config(languages.clone(), cx),
677 languages,
678 user_store: user_store.clone(),
679 fs,
680 next_entry_id: Default::default(),
681 next_diagnostic_group_id: Default::default(),
682 client_subscriptions: Default::default(),
683 _subscriptions: Default::default(),
684 client: client.clone(),
685 client_state: Some(ProjectClientState::Remote {
686 sharing_has_stopped: false,
687 remote_id,
688 replica_id,
689 }),
690 language_servers: Default::default(),
691 language_server_ids: Default::default(),
692 language_server_statuses: response
693 .payload
694 .language_servers
695 .into_iter()
696 .map(|server| {
697 (
698 LanguageServerId(server.id as usize),
699 LanguageServerStatus {
700 name: server.name,
701 pending_work: Default::default(),
702 has_pending_diagnostic_updates: false,
703 progress_tokens: Default::default(),
704 },
705 )
706 })
707 .collect(),
708 last_workspace_edits_by_language_server: Default::default(),
709 opened_buffers: Default::default(),
710 buffers_being_formatted: Default::default(),
711 buffers_needing_diff: Default::default(),
712 git_diff_debouncer: DelayedDebounced::new(),
713 buffer_snapshots: Default::default(),
714 nonce: StdRng::from_entropy().gen(),
715 terminals: Terminals {
716 local_handles: Vec::new(),
717 },
718 copilot_enabled: Copilot::global(cx).is_some(),
719 current_lsp_settings: settings::get::<ProjectSettings>(cx).lsp.clone(),
720 };
721 for worktree in worktrees {
722 let _ = this.add_worktree(&worktree, cx);
723 }
724 this
725 });
726 let subscription = subscription.set_model(&this, &mut cx);
727
728 let user_ids = response
729 .payload
730 .collaborators
731 .iter()
732 .map(|peer| peer.user_id)
733 .collect();
734 user_store
735 .update(&mut cx, |user_store, cx| user_store.get_users(user_ids, cx))
736 .await?;
737
738 this.update(&mut cx, |this, cx| {
739 this.set_collaborators_from_proto(response.payload.collaborators, cx)?;
740 this.client_subscriptions.push(subscription);
741 anyhow::Ok(())
742 })?;
743
744 Ok(this)
745 }
746
747 #[cfg(any(test, feature = "test-support"))]
748 pub async fn test(
749 fs: Arc<dyn Fs>,
750 root_paths: impl IntoIterator<Item = &Path>,
751 cx: &mut gpui::TestAppContext,
752 ) -> ModelHandle<Project> {
753 let mut languages = LanguageRegistry::test();
754 languages.set_executor(cx.background());
755 let http_client = util::http::FakeHttpClient::with_404_response();
756 let client = cx.update(|cx| client::Client::new(http_client.clone(), cx));
757 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http_client, cx));
758 let project =
759 cx.update(|cx| Project::local(client, user_store, Arc::new(languages), fs, cx));
760 for path in root_paths {
761 let (tree, _) = project
762 .update(cx, |project, cx| {
763 project.find_or_create_local_worktree(path, true, cx)
764 })
765 .await
766 .unwrap();
767 tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
768 .await;
769 }
770 project
771 }
772
773 fn on_settings_changed(&mut self, cx: &mut ModelContext<Self>) {
774 let mut language_servers_to_start = Vec::new();
775 for buffer in self.opened_buffers.values() {
776 if let Some(buffer) = buffer.upgrade(cx) {
777 let buffer = buffer.read(cx);
778 if let Some((file, language)) = buffer.file().zip(buffer.language()) {
779 let settings = language_settings(Some(language), Some(file), cx);
780 if settings.enable_language_server {
781 if let Some(file) = File::from_dyn(Some(file)) {
782 language_servers_to_start
783 .push((file.worktree.clone(), language.clone()));
784 }
785 }
786 }
787 }
788 }
789
790 let mut language_servers_to_stop = Vec::new();
791 let mut language_servers_to_restart = Vec::new();
792 let languages = self.languages.to_vec();
793
794 let new_lsp_settings = settings::get::<ProjectSettings>(cx).lsp.clone();
795 let current_lsp_settings = &self.current_lsp_settings;
796 for (worktree_id, started_lsp_name) in self.language_server_ids.keys() {
797 let language = languages.iter().find_map(|l| {
798 let adapter = l
799 .lsp_adapters()
800 .iter()
801 .find(|adapter| &adapter.name == started_lsp_name)?;
802 Some((l, adapter))
803 });
804 if let Some((language, adapter)) = language {
805 let worktree = self.worktree_for_id(*worktree_id, cx);
806 let file = worktree.as_ref().and_then(|tree| {
807 tree.update(cx, |tree, cx| tree.root_file(cx).map(|f| f as _))
808 });
809 if !language_settings(Some(language), file.as_ref(), cx).enable_language_server {
810 language_servers_to_stop.push((*worktree_id, started_lsp_name.clone()));
811 } else if let Some(worktree) = worktree {
812 let server_name = &adapter.name.0;
813 match (
814 current_lsp_settings.get(server_name),
815 new_lsp_settings.get(server_name),
816 ) {
817 (None, None) => {}
818 (Some(_), None) | (None, Some(_)) => {
819 language_servers_to_restart.push((worktree, Arc::clone(language)));
820 }
821 (Some(current_lsp_settings), Some(new_lsp_settings)) => {
822 if current_lsp_settings != new_lsp_settings {
823 language_servers_to_restart.push((worktree, Arc::clone(language)));
824 }
825 }
826 }
827 }
828 }
829 }
830 self.current_lsp_settings = new_lsp_settings;
831
832 // Stop all newly-disabled language servers.
833 for (worktree_id, adapter_name) in language_servers_to_stop {
834 self.stop_language_server(worktree_id, adapter_name, cx)
835 .detach();
836 }
837
838 // Start all the newly-enabled language servers.
839 for (worktree, language) in language_servers_to_start {
840 let worktree_path = worktree.read(cx).abs_path();
841 self.start_language_servers(&worktree, worktree_path, language, cx);
842 }
843
844 // Restart all language servers with changed initialization options.
845 for (worktree, language) in language_servers_to_restart {
846 self.restart_language_servers(worktree, language, cx);
847 }
848
849 if !self.copilot_enabled && Copilot::global(cx).is_some() {
850 self.copilot_enabled = true;
851 for buffer in self.opened_buffers.values() {
852 if let Some(buffer) = buffer.upgrade(cx) {
853 self.register_buffer_with_copilot(&buffer, cx);
854 }
855 }
856 }
857
858 cx.notify();
859 }
860
861 pub fn buffer_for_id(&self, remote_id: u64, cx: &AppContext) -> Option<ModelHandle<Buffer>> {
862 self.opened_buffers
863 .get(&remote_id)
864 .and_then(|buffer| buffer.upgrade(cx))
865 }
866
867 pub fn languages(&self) -> &Arc<LanguageRegistry> {
868 &self.languages
869 }
870
871 pub fn client(&self) -> Arc<Client> {
872 self.client.clone()
873 }
874
875 pub fn user_store(&self) -> ModelHandle<UserStore> {
876 self.user_store.clone()
877 }
878
879 #[cfg(any(test, feature = "test-support"))]
880 pub fn opened_buffers(&self, cx: &AppContext) -> Vec<ModelHandle<Buffer>> {
881 self.opened_buffers
882 .values()
883 .filter_map(|b| b.upgrade(cx))
884 .collect()
885 }
886
887 #[cfg(any(test, feature = "test-support"))]
888 pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &AppContext) -> bool {
889 let path = path.into();
890 if let Some(worktree) = self.worktree_for_id(path.worktree_id, cx) {
891 self.opened_buffers.iter().any(|(_, buffer)| {
892 if let Some(buffer) = buffer.upgrade(cx) {
893 if let Some(file) = File::from_dyn(buffer.read(cx).file()) {
894 if file.worktree == worktree && file.path() == &path.path {
895 return true;
896 }
897 }
898 }
899 false
900 })
901 } else {
902 false
903 }
904 }
905
906 pub fn fs(&self) -> &Arc<dyn Fs> {
907 &self.fs
908 }
909
910 pub fn remote_id(&self) -> Option<u64> {
911 match self.client_state.as_ref()? {
912 ProjectClientState::Local { remote_id, .. }
913 | ProjectClientState::Remote { remote_id, .. } => Some(*remote_id),
914 }
915 }
916
917 pub fn replica_id(&self) -> ReplicaId {
918 match &self.client_state {
919 Some(ProjectClientState::Remote { replica_id, .. }) => *replica_id,
920 _ => 0,
921 }
922 }
923
924 fn metadata_changed(&mut self, cx: &mut ModelContext<Self>) {
925 if let Some(ProjectClientState::Local { updates_tx, .. }) = &mut self.client_state {
926 updates_tx
927 .unbounded_send(LocalProjectUpdate::WorktreesChanged)
928 .ok();
929 }
930 cx.notify();
931 }
932
933 pub fn collaborators(&self) -> &HashMap<proto::PeerId, Collaborator> {
934 &self.collaborators
935 }
936
937 /// Collect all worktrees, including ones that don't appear in the project panel
938 pub fn worktrees<'a>(
939 &'a self,
940 cx: &'a AppContext,
941 ) -> impl 'a + DoubleEndedIterator<Item = ModelHandle<Worktree>> {
942 self.worktrees
943 .iter()
944 .filter_map(move |worktree| worktree.upgrade(cx))
945 }
946
947 /// Collect all user-visible worktrees, the ones that appear in the project panel
948 pub fn visible_worktrees<'a>(
949 &'a self,
950 cx: &'a AppContext,
951 ) -> impl 'a + DoubleEndedIterator<Item = ModelHandle<Worktree>> {
952 self.worktrees.iter().filter_map(|worktree| {
953 worktree.upgrade(cx).and_then(|worktree| {
954 if worktree.read(cx).is_visible() {
955 Some(worktree)
956 } else {
957 None
958 }
959 })
960 })
961 }
962
963 pub fn worktree_root_names<'a>(&'a self, cx: &'a AppContext) -> impl Iterator<Item = &'a str> {
964 self.visible_worktrees(cx)
965 .map(|tree| tree.read(cx).root_name())
966 }
967
968 pub fn worktree_for_id(
969 &self,
970 id: WorktreeId,
971 cx: &AppContext,
972 ) -> Option<ModelHandle<Worktree>> {
973 self.worktrees(cx)
974 .find(|worktree| worktree.read(cx).id() == id)
975 }
976
977 pub fn worktree_for_entry(
978 &self,
979 entry_id: ProjectEntryId,
980 cx: &AppContext,
981 ) -> Option<ModelHandle<Worktree>> {
982 self.worktrees(cx)
983 .find(|worktree| worktree.read(cx).contains_entry(entry_id))
984 }
985
986 pub fn worktree_id_for_entry(
987 &self,
988 entry_id: ProjectEntryId,
989 cx: &AppContext,
990 ) -> Option<WorktreeId> {
991 self.worktree_for_entry(entry_id, cx)
992 .map(|worktree| worktree.read(cx).id())
993 }
994
995 pub fn contains_paths(&self, paths: &[PathBuf], cx: &AppContext) -> bool {
996 paths.iter().all(|path| self.contains_path(path, cx))
997 }
998
999 pub fn contains_path(&self, path: &Path, cx: &AppContext) -> bool {
1000 for worktree in self.worktrees(cx) {
1001 let worktree = worktree.read(cx).as_local();
1002 if worktree.map_or(false, |w| w.contains_abs_path(path)) {
1003 return true;
1004 }
1005 }
1006 false
1007 }
1008
1009 pub fn create_entry(
1010 &mut self,
1011 project_path: impl Into<ProjectPath>,
1012 is_directory: bool,
1013 cx: &mut ModelContext<Self>,
1014 ) -> Option<Task<Result<Entry>>> {
1015 let project_path = project_path.into();
1016 let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
1017 if self.is_local() {
1018 Some(worktree.update(cx, |worktree, cx| {
1019 worktree
1020 .as_local_mut()
1021 .unwrap()
1022 .create_entry(project_path.path, is_directory, cx)
1023 }))
1024 } else {
1025 let client = self.client.clone();
1026 let project_id = self.remote_id().unwrap();
1027 Some(cx.spawn_weak(|_, mut cx| async move {
1028 let response = client
1029 .request(proto::CreateProjectEntry {
1030 worktree_id: project_path.worktree_id.to_proto(),
1031 project_id,
1032 path: project_path.path.to_string_lossy().into(),
1033 is_directory,
1034 })
1035 .await?;
1036 let entry = response
1037 .entry
1038 .ok_or_else(|| anyhow!("missing entry in response"))?;
1039 worktree
1040 .update(&mut cx, |worktree, cx| {
1041 worktree.as_remote_mut().unwrap().insert_entry(
1042 entry,
1043 response.worktree_scan_id as usize,
1044 cx,
1045 )
1046 })
1047 .await
1048 }))
1049 }
1050 }
1051
1052 pub fn copy_entry(
1053 &mut self,
1054 entry_id: ProjectEntryId,
1055 new_path: impl Into<Arc<Path>>,
1056 cx: &mut ModelContext<Self>,
1057 ) -> Option<Task<Result<Entry>>> {
1058 let worktree = self.worktree_for_entry(entry_id, cx)?;
1059 let new_path = new_path.into();
1060 if self.is_local() {
1061 worktree.update(cx, |worktree, cx| {
1062 worktree
1063 .as_local_mut()
1064 .unwrap()
1065 .copy_entry(entry_id, new_path, cx)
1066 })
1067 } else {
1068 let client = self.client.clone();
1069 let project_id = self.remote_id().unwrap();
1070
1071 Some(cx.spawn_weak(|_, mut cx| async move {
1072 let response = client
1073 .request(proto::CopyProjectEntry {
1074 project_id,
1075 entry_id: entry_id.to_proto(),
1076 new_path: new_path.to_string_lossy().into(),
1077 })
1078 .await?;
1079 let entry = response
1080 .entry
1081 .ok_or_else(|| anyhow!("missing entry in response"))?;
1082 worktree
1083 .update(&mut cx, |worktree, cx| {
1084 worktree.as_remote_mut().unwrap().insert_entry(
1085 entry,
1086 response.worktree_scan_id as usize,
1087 cx,
1088 )
1089 })
1090 .await
1091 }))
1092 }
1093 }
1094
1095 pub fn rename_entry(
1096 &mut self,
1097 entry_id: ProjectEntryId,
1098 new_path: impl Into<Arc<Path>>,
1099 cx: &mut ModelContext<Self>,
1100 ) -> Option<Task<Result<Entry>>> {
1101 let worktree = self.worktree_for_entry(entry_id, cx)?;
1102 let new_path = new_path.into();
1103 if self.is_local() {
1104 worktree.update(cx, |worktree, cx| {
1105 worktree
1106 .as_local_mut()
1107 .unwrap()
1108 .rename_entry(entry_id, new_path, cx)
1109 })
1110 } else {
1111 let client = self.client.clone();
1112 let project_id = self.remote_id().unwrap();
1113
1114 Some(cx.spawn_weak(|_, mut cx| async move {
1115 let response = client
1116 .request(proto::RenameProjectEntry {
1117 project_id,
1118 entry_id: entry_id.to_proto(),
1119 new_path: new_path.to_string_lossy().into(),
1120 })
1121 .await?;
1122 let entry = response
1123 .entry
1124 .ok_or_else(|| anyhow!("missing entry in response"))?;
1125 worktree
1126 .update(&mut cx, |worktree, cx| {
1127 worktree.as_remote_mut().unwrap().insert_entry(
1128 entry,
1129 response.worktree_scan_id as usize,
1130 cx,
1131 )
1132 })
1133 .await
1134 }))
1135 }
1136 }
1137
1138 pub fn delete_entry(
1139 &mut self,
1140 entry_id: ProjectEntryId,
1141 cx: &mut ModelContext<Self>,
1142 ) -> Option<Task<Result<()>>> {
1143 let worktree = self.worktree_for_entry(entry_id, cx)?;
1144
1145 cx.emit(Event::DeletedEntry(entry_id));
1146
1147 if self.is_local() {
1148 worktree.update(cx, |worktree, cx| {
1149 worktree.as_local_mut().unwrap().delete_entry(entry_id, cx)
1150 })
1151 } else {
1152 let client = self.client.clone();
1153 let project_id = self.remote_id().unwrap();
1154 Some(cx.spawn_weak(|_, mut cx| async move {
1155 let response = client
1156 .request(proto::DeleteProjectEntry {
1157 project_id,
1158 entry_id: entry_id.to_proto(),
1159 })
1160 .await?;
1161 worktree
1162 .update(&mut cx, move |worktree, cx| {
1163 worktree.as_remote_mut().unwrap().delete_entry(
1164 entry_id,
1165 response.worktree_scan_id as usize,
1166 cx,
1167 )
1168 })
1169 .await
1170 }))
1171 }
1172 }
1173
1174 pub fn expand_entry(
1175 &mut self,
1176 worktree_id: WorktreeId,
1177 entry_id: ProjectEntryId,
1178 cx: &mut ModelContext<Self>,
1179 ) -> Option<Task<Result<()>>> {
1180 let worktree = self.worktree_for_id(worktree_id, cx)?;
1181 if self.is_local() {
1182 worktree.update(cx, |worktree, cx| {
1183 worktree.as_local_mut().unwrap().expand_entry(entry_id, cx)
1184 })
1185 } else {
1186 let worktree = worktree.downgrade();
1187 let request = self.client.request(proto::ExpandProjectEntry {
1188 project_id: self.remote_id().unwrap(),
1189 entry_id: entry_id.to_proto(),
1190 });
1191 Some(cx.spawn_weak(|_, mut cx| async move {
1192 let response = request.await?;
1193 if let Some(worktree) = worktree.upgrade(&cx) {
1194 worktree
1195 .update(&mut cx, |worktree, _| {
1196 worktree
1197 .as_remote_mut()
1198 .unwrap()
1199 .wait_for_snapshot(response.worktree_scan_id as usize)
1200 })
1201 .await?;
1202 }
1203 Ok(())
1204 }))
1205 }
1206 }
1207
1208 pub fn shared(&mut self, project_id: u64, cx: &mut ModelContext<Self>) -> Result<()> {
1209 if self.client_state.is_some() {
1210 return Err(anyhow!("project was already shared"));
1211 }
1212 self.client_subscriptions.push(
1213 self.client
1214 .subscribe_to_entity(project_id)?
1215 .set_model(&cx.handle(), &mut cx.to_async()),
1216 );
1217
1218 for open_buffer in self.opened_buffers.values_mut() {
1219 match open_buffer {
1220 OpenBuffer::Strong(_) => {}
1221 OpenBuffer::Weak(buffer) => {
1222 if let Some(buffer) = buffer.upgrade(cx) {
1223 *open_buffer = OpenBuffer::Strong(buffer);
1224 }
1225 }
1226 OpenBuffer::Operations(_) => unreachable!(),
1227 }
1228 }
1229
1230 for worktree_handle in self.worktrees.iter_mut() {
1231 match worktree_handle {
1232 WorktreeHandle::Strong(_) => {}
1233 WorktreeHandle::Weak(worktree) => {
1234 if let Some(worktree) = worktree.upgrade(cx) {
1235 *worktree_handle = WorktreeHandle::Strong(worktree);
1236 }
1237 }
1238 }
1239 }
1240
1241 for (server_id, status) in &self.language_server_statuses {
1242 self.client
1243 .send(proto::StartLanguageServer {
1244 project_id,
1245 server: Some(proto::LanguageServer {
1246 id: server_id.0 as u64,
1247 name: status.name.clone(),
1248 }),
1249 })
1250 .log_err();
1251 }
1252
1253 let store = cx.global::<SettingsStore>();
1254 for worktree in self.worktrees(cx) {
1255 let worktree_id = worktree.read(cx).id().to_proto();
1256 for (path, content) in store.local_settings(worktree.id()) {
1257 self.client
1258 .send(proto::UpdateWorktreeSettings {
1259 project_id,
1260 worktree_id,
1261 path: path.to_string_lossy().into(),
1262 content: Some(content),
1263 })
1264 .log_err();
1265 }
1266 }
1267
1268 let (updates_tx, mut updates_rx) = mpsc::unbounded();
1269 let client = self.client.clone();
1270 self.client_state = Some(ProjectClientState::Local {
1271 remote_id: project_id,
1272 updates_tx,
1273 _send_updates: cx.spawn_weak(move |this, mut cx| async move {
1274 while let Some(update) = updates_rx.next().await {
1275 let Some(this) = this.upgrade(&cx) else { break };
1276
1277 match update {
1278 LocalProjectUpdate::WorktreesChanged => {
1279 let worktrees = this
1280 .read_with(&cx, |this, cx| this.worktrees(cx).collect::<Vec<_>>());
1281 let update_project = this
1282 .read_with(&cx, |this, cx| {
1283 this.client.request(proto::UpdateProject {
1284 project_id,
1285 worktrees: this.worktree_metadata_protos(cx),
1286 })
1287 })
1288 .await;
1289 if update_project.is_ok() {
1290 for worktree in worktrees {
1291 worktree.update(&mut cx, |worktree, cx| {
1292 let worktree = worktree.as_local_mut().unwrap();
1293 worktree.share(project_id, cx).detach_and_log_err(cx)
1294 });
1295 }
1296 }
1297 }
1298 LocalProjectUpdate::CreateBufferForPeer { peer_id, buffer_id } => {
1299 let buffer = this.update(&mut cx, |this, _| {
1300 let buffer = this.opened_buffers.get(&buffer_id).unwrap();
1301 let shared_buffers =
1302 this.shared_buffers.entry(peer_id).or_default();
1303 if shared_buffers.insert(buffer_id) {
1304 if let OpenBuffer::Strong(buffer) = buffer {
1305 Some(buffer.clone())
1306 } else {
1307 None
1308 }
1309 } else {
1310 None
1311 }
1312 });
1313
1314 let Some(buffer) = buffer else { continue };
1315 let operations =
1316 buffer.read_with(&cx, |b, cx| b.serialize_ops(None, cx));
1317 let operations = operations.await;
1318 let state = buffer.read_with(&cx, |buffer, _| buffer.to_proto());
1319
1320 let initial_state = proto::CreateBufferForPeer {
1321 project_id,
1322 peer_id: Some(peer_id),
1323 variant: Some(proto::create_buffer_for_peer::Variant::State(state)),
1324 };
1325 if client.send(initial_state).log_err().is_some() {
1326 let client = client.clone();
1327 cx.background()
1328 .spawn(async move {
1329 let mut chunks = split_operations(operations).peekable();
1330 while let Some(chunk) = chunks.next() {
1331 let is_last = chunks.peek().is_none();
1332 client.send(proto::CreateBufferForPeer {
1333 project_id,
1334 peer_id: Some(peer_id),
1335 variant: Some(
1336 proto::create_buffer_for_peer::Variant::Chunk(
1337 proto::BufferChunk {
1338 buffer_id,
1339 operations: chunk,
1340 is_last,
1341 },
1342 ),
1343 ),
1344 })?;
1345 }
1346 anyhow::Ok(())
1347 })
1348 .await
1349 .log_err();
1350 }
1351 }
1352 }
1353 }
1354 }),
1355 });
1356
1357 self.metadata_changed(cx);
1358 cx.emit(Event::RemoteIdChanged(Some(project_id)));
1359 cx.notify();
1360 Ok(())
1361 }
1362
1363 pub fn reshared(
1364 &mut self,
1365 message: proto::ResharedProject,
1366 cx: &mut ModelContext<Self>,
1367 ) -> Result<()> {
1368 self.shared_buffers.clear();
1369 self.set_collaborators_from_proto(message.collaborators, cx)?;
1370 self.metadata_changed(cx);
1371 Ok(())
1372 }
1373
1374 pub fn rejoined(
1375 &mut self,
1376 message: proto::RejoinedProject,
1377 message_id: u32,
1378 cx: &mut ModelContext<Self>,
1379 ) -> Result<()> {
1380 cx.update_global::<SettingsStore, _, _>(|store, cx| {
1381 for worktree in &self.worktrees {
1382 store
1383 .clear_local_settings(worktree.handle_id(), cx)
1384 .log_err();
1385 }
1386 });
1387
1388 self.join_project_response_message_id = message_id;
1389 self.set_worktrees_from_proto(message.worktrees, cx)?;
1390 self.set_collaborators_from_proto(message.collaborators, cx)?;
1391 self.language_server_statuses = message
1392 .language_servers
1393 .into_iter()
1394 .map(|server| {
1395 (
1396 LanguageServerId(server.id as usize),
1397 LanguageServerStatus {
1398 name: server.name,
1399 pending_work: Default::default(),
1400 has_pending_diagnostic_updates: false,
1401 progress_tokens: Default::default(),
1402 },
1403 )
1404 })
1405 .collect();
1406 self.buffer_ordered_messages_tx
1407 .unbounded_send(BufferOrderedMessage::Resync)
1408 .unwrap();
1409 cx.notify();
1410 Ok(())
1411 }
1412
1413 pub fn unshare(&mut self, cx: &mut ModelContext<Self>) -> Result<()> {
1414 self.unshare_internal(cx)?;
1415 self.metadata_changed(cx);
1416 cx.notify();
1417 Ok(())
1418 }
1419
1420 fn unshare_internal(&mut self, cx: &mut AppContext) -> Result<()> {
1421 if self.is_remote() {
1422 return Err(anyhow!("attempted to unshare a remote project"));
1423 }
1424
1425 if let Some(ProjectClientState::Local { remote_id, .. }) = self.client_state.take() {
1426 self.collaborators.clear();
1427 self.shared_buffers.clear();
1428 self.client_subscriptions.clear();
1429
1430 for worktree_handle in self.worktrees.iter_mut() {
1431 if let WorktreeHandle::Strong(worktree) = worktree_handle {
1432 let is_visible = worktree.update(cx, |worktree, _| {
1433 worktree.as_local_mut().unwrap().unshare();
1434 worktree.is_visible()
1435 });
1436 if !is_visible {
1437 *worktree_handle = WorktreeHandle::Weak(worktree.downgrade());
1438 }
1439 }
1440 }
1441
1442 for open_buffer in self.opened_buffers.values_mut() {
1443 // Wake up any tasks waiting for peers' edits to this buffer.
1444 if let Some(buffer) = open_buffer.upgrade(cx) {
1445 buffer.update(cx, |buffer, _| buffer.give_up_waiting());
1446 }
1447
1448 if let OpenBuffer::Strong(buffer) = open_buffer {
1449 *open_buffer = OpenBuffer::Weak(buffer.downgrade());
1450 }
1451 }
1452
1453 self.client.send(proto::UnshareProject {
1454 project_id: remote_id,
1455 })?;
1456
1457 Ok(())
1458 } else {
1459 Err(anyhow!("attempted to unshare an unshared project"))
1460 }
1461 }
1462
1463 pub fn disconnected_from_host(&mut self, cx: &mut ModelContext<Self>) {
1464 self.disconnected_from_host_internal(cx);
1465 cx.emit(Event::DisconnectedFromHost);
1466 cx.notify();
1467 }
1468
1469 fn disconnected_from_host_internal(&mut self, cx: &mut AppContext) {
1470 if let Some(ProjectClientState::Remote {
1471 sharing_has_stopped,
1472 ..
1473 }) = &mut self.client_state
1474 {
1475 *sharing_has_stopped = true;
1476
1477 self.collaborators.clear();
1478
1479 for worktree in &self.worktrees {
1480 if let Some(worktree) = worktree.upgrade(cx) {
1481 worktree.update(cx, |worktree, _| {
1482 if let Some(worktree) = worktree.as_remote_mut() {
1483 worktree.disconnected_from_host();
1484 }
1485 });
1486 }
1487 }
1488
1489 for open_buffer in self.opened_buffers.values_mut() {
1490 // Wake up any tasks waiting for peers' edits to this buffer.
1491 if let Some(buffer) = open_buffer.upgrade(cx) {
1492 buffer.update(cx, |buffer, _| buffer.give_up_waiting());
1493 }
1494
1495 if let OpenBuffer::Strong(buffer) = open_buffer {
1496 *open_buffer = OpenBuffer::Weak(buffer.downgrade());
1497 }
1498 }
1499
1500 // Wake up all futures currently waiting on a buffer to get opened,
1501 // to give them a chance to fail now that we've disconnected.
1502 *self.opened_buffer.0.borrow_mut() = ();
1503 }
1504 }
1505
1506 pub fn close(&mut self, cx: &mut ModelContext<Self>) {
1507 cx.emit(Event::Closed);
1508 }
1509
1510 pub fn is_read_only(&self) -> bool {
1511 match &self.client_state {
1512 Some(ProjectClientState::Remote {
1513 sharing_has_stopped,
1514 ..
1515 }) => *sharing_has_stopped,
1516 _ => false,
1517 }
1518 }
1519
1520 pub fn is_local(&self) -> bool {
1521 match &self.client_state {
1522 Some(ProjectClientState::Remote { .. }) => false,
1523 _ => true,
1524 }
1525 }
1526
1527 pub fn is_remote(&self) -> bool {
1528 !self.is_local()
1529 }
1530
1531 pub fn create_buffer(
1532 &mut self,
1533 text: &str,
1534 language: Option<Arc<Language>>,
1535 cx: &mut ModelContext<Self>,
1536 ) -> Result<ModelHandle<Buffer>> {
1537 if self.is_remote() {
1538 return Err(anyhow!("creating buffers as a guest is not supported yet"));
1539 }
1540
1541 let buffer = cx.add_model(|cx| {
1542 Buffer::new(self.replica_id(), text, cx)
1543 .with_language(language.unwrap_or_else(|| language::PLAIN_TEXT.clone()), cx)
1544 });
1545 self.register_buffer(&buffer, cx)?;
1546 Ok(buffer)
1547 }
1548
1549 pub fn open_path(
1550 &mut self,
1551 path: impl Into<ProjectPath>,
1552 cx: &mut ModelContext<Self>,
1553 ) -> Task<Result<(ProjectEntryId, AnyModelHandle)>> {
1554 let task = self.open_buffer(path, cx);
1555 cx.spawn_weak(|_, cx| async move {
1556 let buffer = task.await?;
1557 let project_entry_id = buffer
1558 .read_with(&cx, |buffer, cx| {
1559 File::from_dyn(buffer.file()).and_then(|file| file.project_entry_id(cx))
1560 })
1561 .ok_or_else(|| anyhow!("no project entry"))?;
1562
1563 let buffer: &AnyModelHandle = &buffer;
1564 Ok((project_entry_id, buffer.clone()))
1565 })
1566 }
1567
1568 pub fn open_local_buffer(
1569 &mut self,
1570 abs_path: impl AsRef<Path>,
1571 cx: &mut ModelContext<Self>,
1572 ) -> Task<Result<ModelHandle<Buffer>>> {
1573 if let Some((worktree, relative_path)) = self.find_local_worktree(abs_path.as_ref(), cx) {
1574 self.open_buffer((worktree.read(cx).id(), relative_path), cx)
1575 } else {
1576 Task::ready(Err(anyhow!("no such path")))
1577 }
1578 }
1579
1580 pub fn open_buffer(
1581 &mut self,
1582 path: impl Into<ProjectPath>,
1583 cx: &mut ModelContext<Self>,
1584 ) -> Task<Result<ModelHandle<Buffer>>> {
1585 let project_path = path.into();
1586 let worktree = if let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) {
1587 worktree
1588 } else {
1589 return Task::ready(Err(anyhow!("no such worktree")));
1590 };
1591
1592 // If there is already a buffer for the given path, then return it.
1593 let existing_buffer = self.get_open_buffer(&project_path, cx);
1594 if let Some(existing_buffer) = existing_buffer {
1595 return Task::ready(Ok(existing_buffer));
1596 }
1597
1598 let loading_watch = match self.loading_buffers_by_path.entry(project_path.clone()) {
1599 // If the given path is already being loaded, then wait for that existing
1600 // task to complete and return the same buffer.
1601 hash_map::Entry::Occupied(e) => e.get().clone(),
1602
1603 // Otherwise, record the fact that this path is now being loaded.
1604 hash_map::Entry::Vacant(entry) => {
1605 let (mut tx, rx) = postage::watch::channel();
1606 entry.insert(rx.clone());
1607
1608 let load_buffer = if worktree.read(cx).is_local() {
1609 self.open_local_buffer_internal(&project_path.path, &worktree, cx)
1610 } else {
1611 self.open_remote_buffer_internal(&project_path.path, &worktree, cx)
1612 };
1613
1614 cx.spawn(move |this, mut cx| async move {
1615 let load_result = load_buffer.await;
1616 *tx.borrow_mut() = Some(this.update(&mut cx, |this, _| {
1617 // Record the fact that the buffer is no longer loading.
1618 this.loading_buffers_by_path.remove(&project_path);
1619 let buffer = load_result.map_err(Arc::new)?;
1620 Ok(buffer)
1621 }));
1622 })
1623 .detach();
1624 rx
1625 }
1626 };
1627
1628 cx.foreground().spawn(async move {
1629 wait_for_loading_buffer(loading_watch)
1630 .await
1631 .map_err(|error| anyhow!("{}", error))
1632 })
1633 }
1634
1635 fn open_local_buffer_internal(
1636 &mut self,
1637 path: &Arc<Path>,
1638 worktree: &ModelHandle<Worktree>,
1639 cx: &mut ModelContext<Self>,
1640 ) -> Task<Result<ModelHandle<Buffer>>> {
1641 let buffer_id = post_inc(&mut self.next_buffer_id);
1642 let load_buffer = worktree.update(cx, |worktree, cx| {
1643 let worktree = worktree.as_local_mut().unwrap();
1644 worktree.load_buffer(buffer_id, path, cx)
1645 });
1646 cx.spawn(|this, mut cx| async move {
1647 let buffer = load_buffer.await?;
1648 this.update(&mut cx, |this, cx| this.register_buffer(&buffer, cx))?;
1649 Ok(buffer)
1650 })
1651 }
1652
1653 fn open_remote_buffer_internal(
1654 &mut self,
1655 path: &Arc<Path>,
1656 worktree: &ModelHandle<Worktree>,
1657 cx: &mut ModelContext<Self>,
1658 ) -> Task<Result<ModelHandle<Buffer>>> {
1659 let rpc = self.client.clone();
1660 let project_id = self.remote_id().unwrap();
1661 let remote_worktree_id = worktree.read(cx).id();
1662 let path = path.clone();
1663 let path_string = path.to_string_lossy().to_string();
1664 cx.spawn(|this, mut cx| async move {
1665 let response = rpc
1666 .request(proto::OpenBufferByPath {
1667 project_id,
1668 worktree_id: remote_worktree_id.to_proto(),
1669 path: path_string,
1670 })
1671 .await?;
1672 this.update(&mut cx, |this, cx| {
1673 this.wait_for_remote_buffer(response.buffer_id, cx)
1674 })
1675 .await
1676 })
1677 }
1678
1679 /// LanguageServerName is owned, because it is inserted into a map
1680 fn open_local_buffer_via_lsp(
1681 &mut self,
1682 abs_path: lsp::Url,
1683 language_server_id: LanguageServerId,
1684 language_server_name: LanguageServerName,
1685 cx: &mut ModelContext<Self>,
1686 ) -> Task<Result<ModelHandle<Buffer>>> {
1687 cx.spawn(|this, mut cx| async move {
1688 let abs_path = abs_path
1689 .to_file_path()
1690 .map_err(|_| anyhow!("can't convert URI to path"))?;
1691 let (worktree, relative_path) = if let Some(result) =
1692 this.read_with(&cx, |this, cx| this.find_local_worktree(&abs_path, cx))
1693 {
1694 result
1695 } else {
1696 let worktree = this
1697 .update(&mut cx, |this, cx| {
1698 this.create_local_worktree(&abs_path, false, cx)
1699 })
1700 .await?;
1701 this.update(&mut cx, |this, cx| {
1702 this.language_server_ids.insert(
1703 (worktree.read(cx).id(), language_server_name),
1704 language_server_id,
1705 );
1706 });
1707 (worktree, PathBuf::new())
1708 };
1709
1710 let project_path = ProjectPath {
1711 worktree_id: worktree.read_with(&cx, |worktree, _| worktree.id()),
1712 path: relative_path.into(),
1713 };
1714 this.update(&mut cx, |this, cx| this.open_buffer(project_path, cx))
1715 .await
1716 })
1717 }
1718
1719 pub fn open_buffer_by_id(
1720 &mut self,
1721 id: u64,
1722 cx: &mut ModelContext<Self>,
1723 ) -> Task<Result<ModelHandle<Buffer>>> {
1724 if let Some(buffer) = self.buffer_for_id(id, cx) {
1725 Task::ready(Ok(buffer))
1726 } else if self.is_local() {
1727 Task::ready(Err(anyhow!("buffer {} does not exist", id)))
1728 } else if let Some(project_id) = self.remote_id() {
1729 let request = self
1730 .client
1731 .request(proto::OpenBufferById { project_id, id });
1732 cx.spawn(|this, mut cx| async move {
1733 let buffer_id = request.await?.buffer_id;
1734 this.update(&mut cx, |this, cx| {
1735 this.wait_for_remote_buffer(buffer_id, cx)
1736 })
1737 .await
1738 })
1739 } else {
1740 Task::ready(Err(anyhow!("cannot open buffer while disconnected")))
1741 }
1742 }
1743
1744 pub fn save_buffers(
1745 &self,
1746 buffers: HashSet<ModelHandle<Buffer>>,
1747 cx: &mut ModelContext<Self>,
1748 ) -> Task<Result<()>> {
1749 cx.spawn(|this, mut cx| async move {
1750 let save_tasks = buffers
1751 .into_iter()
1752 .map(|buffer| this.update(&mut cx, |this, cx| this.save_buffer(buffer, cx)));
1753 try_join_all(save_tasks).await?;
1754 Ok(())
1755 })
1756 }
1757
1758 pub fn save_buffer(
1759 &self,
1760 buffer: ModelHandle<Buffer>,
1761 cx: &mut ModelContext<Self>,
1762 ) -> Task<Result<()>> {
1763 let Some(file) = File::from_dyn(buffer.read(cx).file()) else {
1764 return Task::ready(Err(anyhow!("buffer doesn't have a file")));
1765 };
1766 let worktree = file.worktree.clone();
1767 let path = file.path.clone();
1768 worktree.update(cx, |worktree, cx| match worktree {
1769 Worktree::Local(worktree) => worktree.save_buffer(buffer, path, false, cx),
1770 Worktree::Remote(worktree) => worktree.save_buffer(buffer, cx),
1771 })
1772 }
1773
1774 pub fn save_buffer_as(
1775 &mut self,
1776 buffer: ModelHandle<Buffer>,
1777 abs_path: PathBuf,
1778 cx: &mut ModelContext<Self>,
1779 ) -> Task<Result<()>> {
1780 let worktree_task = self.find_or_create_local_worktree(&abs_path, true, cx);
1781 let old_file = File::from_dyn(buffer.read(cx).file())
1782 .filter(|f| f.is_local())
1783 .cloned();
1784 cx.spawn(|this, mut cx| async move {
1785 if let Some(old_file) = &old_file {
1786 this.update(&mut cx, |this, cx| {
1787 this.unregister_buffer_from_language_servers(&buffer, old_file, cx);
1788 });
1789 }
1790 let (worktree, path) = worktree_task.await?;
1791 worktree
1792 .update(&mut cx, |worktree, cx| match worktree {
1793 Worktree::Local(worktree) => {
1794 worktree.save_buffer(buffer.clone(), path.into(), true, cx)
1795 }
1796 Worktree::Remote(_) => panic!("cannot remote buffers as new files"),
1797 })
1798 .await?;
1799 this.update(&mut cx, |this, cx| {
1800 this.detect_language_for_buffer(&buffer, cx);
1801 this.register_buffer_with_language_servers(&buffer, cx);
1802 });
1803 Ok(())
1804 })
1805 }
1806
1807 pub fn get_open_buffer(
1808 &mut self,
1809 path: &ProjectPath,
1810 cx: &mut ModelContext<Self>,
1811 ) -> Option<ModelHandle<Buffer>> {
1812 let worktree = self.worktree_for_id(path.worktree_id, cx)?;
1813 self.opened_buffers.values().find_map(|buffer| {
1814 let buffer = buffer.upgrade(cx)?;
1815 let file = File::from_dyn(buffer.read(cx).file())?;
1816 if file.worktree == worktree && file.path() == &path.path {
1817 Some(buffer)
1818 } else {
1819 None
1820 }
1821 })
1822 }
1823
1824 fn register_buffer(
1825 &mut self,
1826 buffer: &ModelHandle<Buffer>,
1827 cx: &mut ModelContext<Self>,
1828 ) -> Result<()> {
1829 self.request_buffer_diff_recalculation(buffer, cx);
1830 buffer.update(cx, |buffer, _| {
1831 buffer.set_language_registry(self.languages.clone())
1832 });
1833
1834 let remote_id = buffer.read(cx).remote_id();
1835 let is_remote = self.is_remote();
1836 let open_buffer = if is_remote || self.is_shared() {
1837 OpenBuffer::Strong(buffer.clone())
1838 } else {
1839 OpenBuffer::Weak(buffer.downgrade())
1840 };
1841
1842 match self.opened_buffers.entry(remote_id) {
1843 hash_map::Entry::Vacant(entry) => {
1844 entry.insert(open_buffer);
1845 }
1846 hash_map::Entry::Occupied(mut entry) => {
1847 if let OpenBuffer::Operations(operations) = entry.get_mut() {
1848 buffer.update(cx, |b, cx| b.apply_ops(operations.drain(..), cx))?;
1849 } else if entry.get().upgrade(cx).is_some() {
1850 if is_remote {
1851 return Ok(());
1852 } else {
1853 debug_panic!("buffer {} was already registered", remote_id);
1854 Err(anyhow!("buffer {} was already registered", remote_id))?;
1855 }
1856 }
1857 entry.insert(open_buffer);
1858 }
1859 }
1860 cx.subscribe(buffer, |this, buffer, event, cx| {
1861 this.on_buffer_event(buffer, event, cx);
1862 })
1863 .detach();
1864
1865 if let Some(file) = File::from_dyn(buffer.read(cx).file()) {
1866 if file.is_local {
1867 self.local_buffer_ids_by_path.insert(
1868 ProjectPath {
1869 worktree_id: file.worktree_id(cx),
1870 path: file.path.clone(),
1871 },
1872 remote_id,
1873 );
1874
1875 self.local_buffer_ids_by_entry_id
1876 .insert(file.entry_id, remote_id);
1877 }
1878 }
1879
1880 self.detect_language_for_buffer(buffer, cx);
1881 self.register_buffer_with_language_servers(buffer, cx);
1882 self.register_buffer_with_copilot(buffer, cx);
1883 cx.observe_release(buffer, |this, buffer, cx| {
1884 if let Some(file) = File::from_dyn(buffer.file()) {
1885 if file.is_local() {
1886 let uri = lsp::Url::from_file_path(file.abs_path(cx)).unwrap();
1887 for server in this.language_servers_for_buffer(buffer, cx) {
1888 server
1889 .1
1890 .notify::<lsp::notification::DidCloseTextDocument>(
1891 lsp::DidCloseTextDocumentParams {
1892 text_document: lsp::TextDocumentIdentifier::new(uri.clone()),
1893 },
1894 )
1895 .log_err();
1896 }
1897 }
1898 }
1899 })
1900 .detach();
1901
1902 *self.opened_buffer.0.borrow_mut() = ();
1903 Ok(())
1904 }
1905
1906 fn register_buffer_with_language_servers(
1907 &mut self,
1908 buffer_handle: &ModelHandle<Buffer>,
1909 cx: &mut ModelContext<Self>,
1910 ) {
1911 let buffer = buffer_handle.read(cx);
1912 let buffer_id = buffer.remote_id();
1913
1914 if let Some(file) = File::from_dyn(buffer.file()) {
1915 if !file.is_local() {
1916 return;
1917 }
1918
1919 let abs_path = file.abs_path(cx);
1920 let uri = lsp::Url::from_file_path(&abs_path)
1921 .unwrap_or_else(|()| panic!("Failed to register file {abs_path:?}"));
1922 let initial_snapshot = buffer.text_snapshot();
1923 let language = buffer.language().cloned();
1924 let worktree_id = file.worktree_id(cx);
1925
1926 if let Some(local_worktree) = file.worktree.read(cx).as_local() {
1927 for (server_id, diagnostics) in local_worktree.diagnostics_for_path(file.path()) {
1928 self.update_buffer_diagnostics(buffer_handle, server_id, None, diagnostics, cx)
1929 .log_err();
1930 }
1931 }
1932
1933 if let Some(language) = language {
1934 for adapter in language.lsp_adapters() {
1935 let language_id = adapter.language_ids.get(language.name().as_ref()).cloned();
1936 let server = self
1937 .language_server_ids
1938 .get(&(worktree_id, adapter.name.clone()))
1939 .and_then(|id| self.language_servers.get(id))
1940 .and_then(|server_state| {
1941 if let LanguageServerState::Running { server, .. } = server_state {
1942 Some(server.clone())
1943 } else {
1944 None
1945 }
1946 });
1947 let server = match server {
1948 Some(server) => server,
1949 None => continue,
1950 };
1951
1952 server
1953 .notify::<lsp::notification::DidOpenTextDocument>(
1954 lsp::DidOpenTextDocumentParams {
1955 text_document: lsp::TextDocumentItem::new(
1956 uri.clone(),
1957 language_id.unwrap_or_default(),
1958 0,
1959 initial_snapshot.text(),
1960 ),
1961 },
1962 )
1963 .log_err();
1964
1965 buffer_handle.update(cx, |buffer, cx| {
1966 buffer.set_completion_triggers(
1967 server
1968 .capabilities()
1969 .completion_provider
1970 .as_ref()
1971 .and_then(|provider| provider.trigger_characters.clone())
1972 .unwrap_or_default(),
1973 cx,
1974 );
1975 });
1976
1977 let snapshot = LspBufferSnapshot {
1978 version: 0,
1979 snapshot: initial_snapshot.clone(),
1980 };
1981 self.buffer_snapshots
1982 .entry(buffer_id)
1983 .or_default()
1984 .insert(server.server_id(), vec![snapshot]);
1985 }
1986 }
1987 }
1988 }
1989
1990 fn unregister_buffer_from_language_servers(
1991 &mut self,
1992 buffer: &ModelHandle<Buffer>,
1993 old_file: &File,
1994 cx: &mut ModelContext<Self>,
1995 ) {
1996 let old_path = match old_file.as_local() {
1997 Some(local) => local.abs_path(cx),
1998 None => return,
1999 };
2000
2001 buffer.update(cx, |buffer, cx| {
2002 let worktree_id = old_file.worktree_id(cx);
2003 let ids = &self.language_server_ids;
2004
2005 let language = buffer.language().cloned();
2006 let adapters = language.iter().flat_map(|language| language.lsp_adapters());
2007 for &server_id in adapters.flat_map(|a| ids.get(&(worktree_id, a.name.clone()))) {
2008 buffer.update_diagnostics(server_id, Default::default(), cx);
2009 }
2010
2011 self.buffer_snapshots.remove(&buffer.remote_id());
2012 let file_url = lsp::Url::from_file_path(old_path).unwrap();
2013 for (_, language_server) in self.language_servers_for_buffer(buffer, cx) {
2014 language_server
2015 .notify::<lsp::notification::DidCloseTextDocument>(
2016 lsp::DidCloseTextDocumentParams {
2017 text_document: lsp::TextDocumentIdentifier::new(file_url.clone()),
2018 },
2019 )
2020 .log_err();
2021 }
2022 });
2023 }
2024
2025 fn register_buffer_with_copilot(
2026 &self,
2027 buffer_handle: &ModelHandle<Buffer>,
2028 cx: &mut ModelContext<Self>,
2029 ) {
2030 if let Some(copilot) = Copilot::global(cx) {
2031 copilot.update(cx, |copilot, cx| copilot.register_buffer(buffer_handle, cx));
2032 }
2033 }
2034
2035 async fn send_buffer_ordered_messages(
2036 this: WeakModelHandle<Self>,
2037 rx: UnboundedReceiver<BufferOrderedMessage>,
2038 mut cx: AsyncAppContext,
2039 ) -> Option<()> {
2040 const MAX_BATCH_SIZE: usize = 128;
2041
2042 let mut operations_by_buffer_id = HashMap::default();
2043 async fn flush_operations(
2044 this: &ModelHandle<Project>,
2045 operations_by_buffer_id: &mut HashMap<u64, Vec<proto::Operation>>,
2046 needs_resync_with_host: &mut bool,
2047 is_local: bool,
2048 cx: &AsyncAppContext,
2049 ) {
2050 for (buffer_id, operations) in operations_by_buffer_id.drain() {
2051 let request = this.read_with(cx, |this, _| {
2052 let project_id = this.remote_id()?;
2053 Some(this.client.request(proto::UpdateBuffer {
2054 buffer_id,
2055 project_id,
2056 operations,
2057 }))
2058 });
2059 if let Some(request) = request {
2060 if request.await.is_err() && !is_local {
2061 *needs_resync_with_host = true;
2062 break;
2063 }
2064 }
2065 }
2066 }
2067
2068 let mut needs_resync_with_host = false;
2069 let mut changes = rx.ready_chunks(MAX_BATCH_SIZE);
2070
2071 while let Some(changes) = changes.next().await {
2072 let this = this.upgrade(&mut cx)?;
2073 let is_local = this.read_with(&cx, |this, _| this.is_local());
2074
2075 for change in changes {
2076 match change {
2077 BufferOrderedMessage::Operation {
2078 buffer_id,
2079 operation,
2080 } => {
2081 if needs_resync_with_host {
2082 continue;
2083 }
2084
2085 operations_by_buffer_id
2086 .entry(buffer_id)
2087 .or_insert(Vec::new())
2088 .push(operation);
2089 }
2090
2091 BufferOrderedMessage::Resync => {
2092 operations_by_buffer_id.clear();
2093 if this
2094 .update(&mut cx, |this, cx| this.synchronize_remote_buffers(cx))
2095 .await
2096 .is_ok()
2097 {
2098 needs_resync_with_host = false;
2099 }
2100 }
2101
2102 BufferOrderedMessage::LanguageServerUpdate {
2103 language_server_id,
2104 message,
2105 } => {
2106 flush_operations(
2107 &this,
2108 &mut operations_by_buffer_id,
2109 &mut needs_resync_with_host,
2110 is_local,
2111 &cx,
2112 )
2113 .await;
2114
2115 this.read_with(&cx, |this, _| {
2116 if let Some(project_id) = this.remote_id() {
2117 this.client
2118 .send(proto::UpdateLanguageServer {
2119 project_id,
2120 language_server_id: language_server_id.0 as u64,
2121 variant: Some(message),
2122 })
2123 .log_err();
2124 }
2125 });
2126 }
2127 }
2128 }
2129
2130 flush_operations(
2131 &this,
2132 &mut operations_by_buffer_id,
2133 &mut needs_resync_with_host,
2134 is_local,
2135 &cx,
2136 )
2137 .await;
2138 }
2139
2140 None
2141 }
2142
2143 fn on_buffer_event(
2144 &mut self,
2145 buffer: ModelHandle<Buffer>,
2146 event: &BufferEvent,
2147 cx: &mut ModelContext<Self>,
2148 ) -> Option<()> {
2149 if matches!(
2150 event,
2151 BufferEvent::Edited { .. } | BufferEvent::Reloaded | BufferEvent::DiffBaseChanged
2152 ) {
2153 self.request_buffer_diff_recalculation(&buffer, cx);
2154 }
2155
2156 match event {
2157 BufferEvent::Operation(operation) => {
2158 self.buffer_ordered_messages_tx
2159 .unbounded_send(BufferOrderedMessage::Operation {
2160 buffer_id: buffer.read(cx).remote_id(),
2161 operation: language::proto::serialize_operation(operation),
2162 })
2163 .ok();
2164 }
2165
2166 BufferEvent::Edited { .. } => {
2167 let buffer = buffer.read(cx);
2168 let file = File::from_dyn(buffer.file())?;
2169 let abs_path = file.as_local()?.abs_path(cx);
2170 let uri = lsp::Url::from_file_path(abs_path).unwrap();
2171 let next_snapshot = buffer.text_snapshot();
2172
2173 let language_servers: Vec<_> = self
2174 .language_servers_for_buffer(buffer, cx)
2175 .map(|i| i.1.clone())
2176 .collect();
2177
2178 for language_server in language_servers {
2179 let language_server = language_server.clone();
2180
2181 let buffer_snapshots = self
2182 .buffer_snapshots
2183 .get_mut(&buffer.remote_id())
2184 .and_then(|m| m.get_mut(&language_server.server_id()))?;
2185 let previous_snapshot = buffer_snapshots.last()?;
2186 let next_version = previous_snapshot.version + 1;
2187
2188 let content_changes = buffer
2189 .edits_since::<(PointUtf16, usize)>(previous_snapshot.snapshot.version())
2190 .map(|edit| {
2191 let edit_start = edit.new.start.0;
2192 let edit_end = edit_start + (edit.old.end.0 - edit.old.start.0);
2193 let new_text = next_snapshot
2194 .text_for_range(edit.new.start.1..edit.new.end.1)
2195 .collect();
2196 lsp::TextDocumentContentChangeEvent {
2197 range: Some(lsp::Range::new(
2198 point_to_lsp(edit_start),
2199 point_to_lsp(edit_end),
2200 )),
2201 range_length: None,
2202 text: new_text,
2203 }
2204 })
2205 .collect();
2206
2207 buffer_snapshots.push(LspBufferSnapshot {
2208 version: next_version,
2209 snapshot: next_snapshot.clone(),
2210 });
2211
2212 language_server
2213 .notify::<lsp::notification::DidChangeTextDocument>(
2214 lsp::DidChangeTextDocumentParams {
2215 text_document: lsp::VersionedTextDocumentIdentifier::new(
2216 uri.clone(),
2217 next_version,
2218 ),
2219 content_changes,
2220 },
2221 )
2222 .log_err();
2223 }
2224 }
2225
2226 BufferEvent::Saved => {
2227 let file = File::from_dyn(buffer.read(cx).file())?;
2228 let worktree_id = file.worktree_id(cx);
2229 let abs_path = file.as_local()?.abs_path(cx);
2230 let text_document = lsp::TextDocumentIdentifier {
2231 uri: lsp::Url::from_file_path(abs_path).unwrap(),
2232 };
2233
2234 for (_, _, server) in self.language_servers_for_worktree(worktree_id) {
2235 server
2236 .notify::<lsp::notification::DidSaveTextDocument>(
2237 lsp::DidSaveTextDocumentParams {
2238 text_document: text_document.clone(),
2239 text: None,
2240 },
2241 )
2242 .log_err();
2243 }
2244
2245 let language_server_ids = self.language_server_ids_for_buffer(buffer.read(cx), cx);
2246 for language_server_id in language_server_ids {
2247 if let Some(LanguageServerState::Running {
2248 adapter,
2249 simulate_disk_based_diagnostics_completion,
2250 ..
2251 }) = self.language_servers.get_mut(&language_server_id)
2252 {
2253 // After saving a buffer using a language server that doesn't provide
2254 // a disk-based progress token, kick off a timer that will reset every
2255 // time the buffer is saved. If the timer eventually fires, simulate
2256 // disk-based diagnostics being finished so that other pieces of UI
2257 // (e.g., project diagnostics view, diagnostic status bar) can update.
2258 // We don't emit an event right away because the language server might take
2259 // some time to publish diagnostics.
2260 if adapter.disk_based_diagnostics_progress_token.is_none() {
2261 const DISK_BASED_DIAGNOSTICS_DEBOUNCE: Duration =
2262 Duration::from_secs(1);
2263
2264 let task = cx.spawn_weak(|this, mut cx| async move {
2265 cx.background().timer(DISK_BASED_DIAGNOSTICS_DEBOUNCE).await;
2266 if let Some(this) = this.upgrade(&cx) {
2267 this.update(&mut cx, |this, cx| {
2268 this.disk_based_diagnostics_finished(
2269 language_server_id,
2270 cx,
2271 );
2272 this.buffer_ordered_messages_tx
2273 .unbounded_send(
2274 BufferOrderedMessage::LanguageServerUpdate {
2275 language_server_id,
2276 message:proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(Default::default())
2277 },
2278 )
2279 .ok();
2280 });
2281 }
2282 });
2283 *simulate_disk_based_diagnostics_completion = Some(task);
2284 }
2285 }
2286 }
2287 }
2288
2289 _ => {}
2290 }
2291
2292 None
2293 }
2294
2295 fn request_buffer_diff_recalculation(
2296 &mut self,
2297 buffer: &ModelHandle<Buffer>,
2298 cx: &mut ModelContext<Self>,
2299 ) {
2300 self.buffers_needing_diff.insert(buffer.downgrade());
2301 let first_insertion = self.buffers_needing_diff.len() == 1;
2302
2303 let settings = settings::get::<ProjectSettings>(cx);
2304 let delay = if let Some(delay) = settings.git.gutter_debounce {
2305 delay
2306 } else {
2307 if first_insertion {
2308 let this = cx.weak_handle();
2309 cx.defer(move |cx| {
2310 if let Some(this) = this.upgrade(cx) {
2311 this.update(cx, |this, cx| {
2312 this.recalculate_buffer_diffs(cx).detach();
2313 });
2314 }
2315 });
2316 }
2317 return;
2318 };
2319
2320 const MIN_DELAY: u64 = 50;
2321 let delay = delay.max(MIN_DELAY);
2322 let duration = Duration::from_millis(delay);
2323
2324 self.git_diff_debouncer
2325 .fire_new(duration, cx, move |this, cx| {
2326 this.recalculate_buffer_diffs(cx)
2327 });
2328 }
2329
2330 fn recalculate_buffer_diffs(&mut self, cx: &mut ModelContext<Self>) -> Task<()> {
2331 cx.spawn(|this, mut cx| async move {
2332 let buffers: Vec<_> = this.update(&mut cx, |this, _| {
2333 this.buffers_needing_diff.drain().collect()
2334 });
2335
2336 let tasks: Vec<_> = this.update(&mut cx, |_, cx| {
2337 buffers
2338 .iter()
2339 .filter_map(|buffer| {
2340 let buffer = buffer.upgrade(cx)?;
2341 buffer.update(cx, |buffer, cx| buffer.git_diff_recalc(cx))
2342 })
2343 .collect()
2344 });
2345
2346 futures::future::join_all(tasks).await;
2347
2348 this.update(&mut cx, |this, cx| {
2349 if !this.buffers_needing_diff.is_empty() {
2350 this.recalculate_buffer_diffs(cx).detach();
2351 } else {
2352 // TODO: Would a `ModelContext<Project>.notify()` suffice here?
2353 for buffer in buffers {
2354 if let Some(buffer) = buffer.upgrade(cx) {
2355 buffer.update(cx, |_, cx| cx.notify());
2356 }
2357 }
2358 }
2359 });
2360 })
2361 }
2362
2363 fn language_servers_for_worktree(
2364 &self,
2365 worktree_id: WorktreeId,
2366 ) -> impl Iterator<Item = (&Arc<CachedLspAdapter>, &Arc<Language>, &Arc<LanguageServer>)> {
2367 self.language_server_ids
2368 .iter()
2369 .filter_map(move |((language_server_worktree_id, _), id)| {
2370 if *language_server_worktree_id == worktree_id {
2371 if let Some(LanguageServerState::Running {
2372 adapter,
2373 language,
2374 server,
2375 ..
2376 }) = self.language_servers.get(id)
2377 {
2378 return Some((adapter, language, server));
2379 }
2380 }
2381 None
2382 })
2383 }
2384
2385 fn maintain_buffer_languages(
2386 languages: Arc<LanguageRegistry>,
2387 cx: &mut ModelContext<Project>,
2388 ) -> Task<()> {
2389 let mut subscription = languages.subscribe();
2390 let mut prev_reload_count = languages.reload_count();
2391 cx.spawn_weak(|project, mut cx| async move {
2392 while let Some(()) = subscription.next().await {
2393 if let Some(project) = project.upgrade(&cx) {
2394 // If the language registry has been reloaded, then remove and
2395 // re-assign the languages on all open buffers.
2396 let reload_count = languages.reload_count();
2397 if reload_count > prev_reload_count {
2398 prev_reload_count = reload_count;
2399 project.update(&mut cx, |this, cx| {
2400 let buffers = this
2401 .opened_buffers
2402 .values()
2403 .filter_map(|b| b.upgrade(cx))
2404 .collect::<Vec<_>>();
2405 for buffer in buffers {
2406 if let Some(f) = File::from_dyn(buffer.read(cx).file()).cloned() {
2407 this.unregister_buffer_from_language_servers(&buffer, &f, cx);
2408 buffer.update(cx, |buffer, cx| buffer.set_language(None, cx));
2409 }
2410 }
2411 });
2412 }
2413
2414 project.update(&mut cx, |project, cx| {
2415 let mut plain_text_buffers = Vec::new();
2416 let mut buffers_with_unknown_injections = Vec::new();
2417 for buffer in project.opened_buffers.values() {
2418 if let Some(handle) = buffer.upgrade(cx) {
2419 let buffer = &handle.read(cx);
2420 if buffer.language().is_none()
2421 || buffer.language() == Some(&*language::PLAIN_TEXT)
2422 {
2423 plain_text_buffers.push(handle);
2424 } else if buffer.contains_unknown_injections() {
2425 buffers_with_unknown_injections.push(handle);
2426 }
2427 }
2428 }
2429
2430 for buffer in plain_text_buffers {
2431 project.detect_language_for_buffer(&buffer, cx);
2432 project.register_buffer_with_language_servers(&buffer, cx);
2433 }
2434
2435 for buffer in buffers_with_unknown_injections {
2436 buffer.update(cx, |buffer, cx| buffer.reparse(cx));
2437 }
2438 });
2439 }
2440 }
2441 })
2442 }
2443
2444 fn maintain_workspace_config(
2445 languages: Arc<LanguageRegistry>,
2446 cx: &mut ModelContext<Project>,
2447 ) -> Task<()> {
2448 let (mut settings_changed_tx, mut settings_changed_rx) = watch::channel();
2449 let _ = postage::stream::Stream::try_recv(&mut settings_changed_rx);
2450
2451 let settings_observation = cx.observe_global::<SettingsStore, _>(move |_, _| {
2452 *settings_changed_tx.borrow_mut() = ();
2453 });
2454 cx.spawn_weak(|this, mut cx| async move {
2455 while let Some(_) = settings_changed_rx.next().await {
2456 let workspace_config = cx.update(|cx| languages.workspace_configuration(cx)).await;
2457 if let Some(this) = this.upgrade(&cx) {
2458 this.read_with(&cx, |this, _| {
2459 for server_state in this.language_servers.values() {
2460 if let LanguageServerState::Running { server, .. } = server_state {
2461 server
2462 .notify::<lsp::notification::DidChangeConfiguration>(
2463 lsp::DidChangeConfigurationParams {
2464 settings: workspace_config.clone(),
2465 },
2466 )
2467 .ok();
2468 }
2469 }
2470 })
2471 } else {
2472 break;
2473 }
2474 }
2475
2476 drop(settings_observation);
2477 })
2478 }
2479
2480 fn detect_language_for_buffer(
2481 &mut self,
2482 buffer_handle: &ModelHandle<Buffer>,
2483 cx: &mut ModelContext<Self>,
2484 ) -> Option<()> {
2485 // If the buffer has a language, set it and start the language server if we haven't already.
2486 let buffer = buffer_handle.read(cx);
2487 let full_path = buffer.file()?.full_path(cx);
2488 let content = buffer.as_rope();
2489 let new_language = self
2490 .languages
2491 .language_for_file(&full_path, Some(content))
2492 .now_or_never()?
2493 .ok()?;
2494 self.set_language_for_buffer(buffer_handle, new_language, cx);
2495 None
2496 }
2497
2498 pub fn set_language_for_buffer(
2499 &mut self,
2500 buffer: &ModelHandle<Buffer>,
2501 new_language: Arc<Language>,
2502 cx: &mut ModelContext<Self>,
2503 ) {
2504 buffer.update(cx, |buffer, cx| {
2505 if buffer.language().map_or(true, |old_language| {
2506 !Arc::ptr_eq(old_language, &new_language)
2507 }) {
2508 buffer.set_language(Some(new_language.clone()), cx);
2509 }
2510 });
2511
2512 if let Some(file) = File::from_dyn(buffer.read(cx).file()) {
2513 let worktree = file.worktree.clone();
2514 if let Some(tree) = worktree.read(cx).as_local() {
2515 self.start_language_servers(&worktree, tree.abs_path().clone(), new_language, cx);
2516 }
2517 }
2518 }
2519
2520 fn start_language_servers(
2521 &mut self,
2522 worktree: &ModelHandle<Worktree>,
2523 worktree_path: Arc<Path>,
2524 language: Arc<Language>,
2525 cx: &mut ModelContext<Self>,
2526 ) {
2527 let root_file = worktree.update(cx, |tree, cx| tree.root_file(cx));
2528 let settings = language_settings(Some(&language), root_file.map(|f| f as _).as_ref(), cx);
2529 if !settings.enable_language_server {
2530 return;
2531 }
2532
2533 let worktree_id = worktree.read(cx).id();
2534 for adapter in language.lsp_adapters() {
2535 self.start_language_server(
2536 worktree_id,
2537 worktree_path.clone(),
2538 adapter.clone(),
2539 language.clone(),
2540 cx,
2541 );
2542 }
2543 }
2544
2545 fn start_language_server(
2546 &mut self,
2547 worktree_id: WorktreeId,
2548 worktree_path: Arc<Path>,
2549 adapter: Arc<CachedLspAdapter>,
2550 language: Arc<Language>,
2551 cx: &mut ModelContext<Self>,
2552 ) {
2553 let key = (worktree_id, adapter.name.clone());
2554 if self.language_server_ids.contains_key(&key) {
2555 return;
2556 }
2557
2558 let pending_server = match self.languages.create_pending_language_server(
2559 language.clone(),
2560 adapter.clone(),
2561 worktree_path,
2562 ProjectLspAdapterDelegate::new(self, cx),
2563 cx,
2564 ) {
2565 Some(pending_server) => pending_server,
2566 None => return,
2567 };
2568
2569 let project_settings = settings::get::<ProjectSettings>(cx);
2570 let lsp = project_settings.lsp.get(&adapter.name.0);
2571 let override_options = lsp.map(|s| s.initialization_options.clone()).flatten();
2572
2573 let mut initialization_options = adapter.initialization_options.clone();
2574 match (&mut initialization_options, override_options) {
2575 (Some(initialization_options), Some(override_options)) => {
2576 merge_json_value_into(override_options, initialization_options);
2577 }
2578 (None, override_options) => initialization_options = override_options,
2579 _ => {}
2580 }
2581
2582 let server_id = pending_server.server_id;
2583 let container_dir = pending_server.container_dir.clone();
2584 let state = LanguageServerState::Starting({
2585 let adapter = adapter.clone();
2586 let server_name = adapter.name.0.clone();
2587 let languages = self.languages.clone();
2588 let language = language.clone();
2589 let key = key.clone();
2590
2591 cx.spawn_weak(|this, mut cx| async move {
2592 let result = Self::setup_and_insert_language_server(
2593 this,
2594 initialization_options,
2595 pending_server,
2596 adapter.clone(),
2597 languages,
2598 language.clone(),
2599 server_id,
2600 key,
2601 &mut cx,
2602 )
2603 .await;
2604
2605 match result {
2606 Ok(server) => server,
2607
2608 Err(err) => {
2609 log::error!("failed to start language server {:?}: {}", server_name, err);
2610
2611 if let Some(this) = this.upgrade(&cx) {
2612 if let Some(container_dir) = container_dir {
2613 let installation_test_binary = adapter
2614 .installation_test_binary(container_dir.to_path_buf())
2615 .await;
2616
2617 this.update(&mut cx, |_, cx| {
2618 Self::check_errored_server(
2619 language,
2620 adapter,
2621 server_id,
2622 installation_test_binary,
2623 cx,
2624 )
2625 });
2626 }
2627 }
2628
2629 None
2630 }
2631 }
2632 })
2633 });
2634
2635 self.language_servers.insert(server_id, state);
2636 self.language_server_ids.insert(key, server_id);
2637 }
2638
2639 fn reinstall_language_server(
2640 &mut self,
2641 language: Arc<Language>,
2642 adapter: Arc<CachedLspAdapter>,
2643 server_id: LanguageServerId,
2644 cx: &mut ModelContext<Self>,
2645 ) -> Option<Task<()>> {
2646 log::info!("beginning to reinstall server");
2647
2648 let existing_server = match self.language_servers.remove(&server_id) {
2649 Some(LanguageServerState::Running { server, .. }) => Some(server),
2650 _ => None,
2651 };
2652
2653 for worktree in &self.worktrees {
2654 if let Some(worktree) = worktree.upgrade(cx) {
2655 let key = (worktree.read(cx).id(), adapter.name.clone());
2656 self.language_server_ids.remove(&key);
2657 }
2658 }
2659
2660 Some(cx.spawn(move |this, mut cx| async move {
2661 if let Some(task) = existing_server.and_then(|server| server.shutdown()) {
2662 log::info!("shutting down existing server");
2663 task.await;
2664 }
2665
2666 // TODO: This is race-safe with regards to preventing new instances from
2667 // starting while deleting, but existing instances in other projects are going
2668 // to be very confused and messed up
2669 this.update(&mut cx, |this, cx| {
2670 this.languages.delete_server_container(adapter.clone(), cx)
2671 })
2672 .await;
2673
2674 this.update(&mut cx, |this, mut cx| {
2675 let worktrees = this.worktrees.clone();
2676 for worktree in worktrees {
2677 let worktree = match worktree.upgrade(cx) {
2678 Some(worktree) => worktree.read(cx),
2679 None => continue,
2680 };
2681 let worktree_id = worktree.id();
2682 let root_path = worktree.abs_path();
2683
2684 this.start_language_server(
2685 worktree_id,
2686 root_path,
2687 adapter.clone(),
2688 language.clone(),
2689 &mut cx,
2690 );
2691 }
2692 })
2693 }))
2694 }
2695
2696 async fn setup_and_insert_language_server(
2697 this: WeakModelHandle<Self>,
2698 initialization_options: Option<serde_json::Value>,
2699 pending_server: PendingLanguageServer,
2700 adapter: Arc<CachedLspAdapter>,
2701 languages: Arc<LanguageRegistry>,
2702 language: Arc<Language>,
2703 server_id: LanguageServerId,
2704 key: (WorktreeId, LanguageServerName),
2705 cx: &mut AsyncAppContext,
2706 ) -> Result<Option<Arc<LanguageServer>>> {
2707 let setup = Self::setup_pending_language_server(
2708 this,
2709 initialization_options,
2710 pending_server,
2711 adapter.clone(),
2712 languages,
2713 server_id,
2714 cx,
2715 );
2716
2717 let language_server = match setup.await? {
2718 Some(language_server) => language_server,
2719 None => return Ok(None),
2720 };
2721 let this = match this.upgrade(cx) {
2722 Some(this) => this,
2723 None => return Err(anyhow!("failed to upgrade project handle")),
2724 };
2725
2726 this.update(cx, |this, cx| {
2727 this.insert_newly_running_language_server(
2728 language,
2729 adapter,
2730 language_server.clone(),
2731 server_id,
2732 key,
2733 cx,
2734 )
2735 })?;
2736
2737 Ok(Some(language_server))
2738 }
2739
2740 async fn setup_pending_language_server(
2741 this: WeakModelHandle<Self>,
2742 initialization_options: Option<serde_json::Value>,
2743 pending_server: PendingLanguageServer,
2744 adapter: Arc<CachedLspAdapter>,
2745 languages: Arc<LanguageRegistry>,
2746 server_id: LanguageServerId,
2747 cx: &mut AsyncAppContext,
2748 ) -> Result<Option<Arc<LanguageServer>>> {
2749 let workspace_config = cx.update(|cx| languages.workspace_configuration(cx)).await;
2750 let language_server = match pending_server.task.await? {
2751 Some(server) => server.initialize(initialization_options).await?,
2752 None => {
2753 return Ok(None);
2754 }
2755 };
2756
2757 language_server
2758 .on_notification::<lsp::notification::LogMessage, _>({
2759 move |params, mut cx| {
2760 if let Some(this) = this.upgrade(&cx) {
2761 this.update(&mut cx, |_, cx| {
2762 cx.emit(Event::LanguageServerLog(server_id, params.message))
2763 });
2764 }
2765 }
2766 })
2767 .detach();
2768
2769 language_server
2770 .on_notification::<lsp::notification::PublishDiagnostics, _>({
2771 let adapter = adapter.clone();
2772 move |mut params, cx| {
2773 let this = this;
2774 let adapter = adapter.clone();
2775 cx.spawn(|mut cx| async move {
2776 adapter.process_diagnostics(&mut params).await;
2777 if let Some(this) = this.upgrade(&cx) {
2778 this.update(&mut cx, |this, cx| {
2779 this.update_diagnostics(
2780 server_id,
2781 params,
2782 &adapter.disk_based_diagnostic_sources,
2783 cx,
2784 )
2785 .log_err();
2786 });
2787 }
2788 })
2789 .detach();
2790 }
2791 })
2792 .detach();
2793
2794 language_server
2795 .on_request::<lsp::request::WorkspaceConfiguration, _, _>({
2796 let languages = languages.clone();
2797 move |params, mut cx| {
2798 let languages = languages.clone();
2799 async move {
2800 let workspace_config =
2801 cx.update(|cx| languages.workspace_configuration(cx)).await;
2802 Ok(params
2803 .items
2804 .into_iter()
2805 .map(|item| {
2806 if let Some(section) = &item.section {
2807 workspace_config
2808 .get(section)
2809 .cloned()
2810 .unwrap_or(serde_json::Value::Null)
2811 } else {
2812 workspace_config.clone()
2813 }
2814 })
2815 .collect())
2816 }
2817 }
2818 })
2819 .detach();
2820
2821 // Even though we don't have handling for these requests, respond to them to
2822 // avoid stalling any language server like `gopls` which waits for a response
2823 // to these requests when initializing.
2824 language_server
2825 .on_request::<lsp::request::WorkDoneProgressCreate, _, _>(
2826 move |params, mut cx| async move {
2827 if let Some(this) = this.upgrade(&cx) {
2828 this.update(&mut cx, |this, _| {
2829 if let Some(status) = this.language_server_statuses.get_mut(&server_id)
2830 {
2831 if let lsp::NumberOrString::String(token) = params.token {
2832 status.progress_tokens.insert(token);
2833 }
2834 }
2835 });
2836 }
2837 Ok(())
2838 },
2839 )
2840 .detach();
2841 language_server
2842 .on_request::<lsp::request::RegisterCapability, _, _>({
2843 move |params, mut cx| async move {
2844 let this = this
2845 .upgrade(&cx)
2846 .ok_or_else(|| anyhow!("project dropped"))?;
2847 for reg in params.registrations {
2848 if reg.method == "workspace/didChangeWatchedFiles" {
2849 if let Some(options) = reg.register_options {
2850 let options = serde_json::from_value(options)?;
2851 this.update(&mut cx, |this, cx| {
2852 this.on_lsp_did_change_watched_files(server_id, options, cx);
2853 });
2854 }
2855 }
2856 }
2857 Ok(())
2858 }
2859 })
2860 .detach();
2861
2862 language_server
2863 .on_request::<lsp::request::ApplyWorkspaceEdit, _, _>({
2864 let adapter = adapter.clone();
2865 move |params, cx| {
2866 Self::on_lsp_workspace_edit(this, params, server_id, adapter.clone(), cx)
2867 }
2868 })
2869 .detach();
2870
2871 language_server
2872 .on_request::<lsp::request::InlayHintRefreshRequest, _, _>({
2873 move |(), mut cx| async move {
2874 let this = this
2875 .upgrade(&cx)
2876 .ok_or_else(|| anyhow!("project dropped"))?;
2877 this.update(&mut cx, |project, cx| {
2878 cx.emit(Event::RefreshInlays);
2879 project.remote_id().map(|project_id| {
2880 project.client.send(proto::RefreshInlayHints { project_id })
2881 })
2882 })
2883 .transpose()?;
2884 Ok(())
2885 }
2886 })
2887 .detach();
2888
2889 let disk_based_diagnostics_progress_token =
2890 adapter.disk_based_diagnostics_progress_token.clone();
2891
2892 language_server
2893 .on_notification::<lsp::notification::Progress, _>(move |params, mut cx| {
2894 if let Some(this) = this.upgrade(&cx) {
2895 this.update(&mut cx, |this, cx| {
2896 this.on_lsp_progress(
2897 params,
2898 server_id,
2899 disk_based_diagnostics_progress_token.clone(),
2900 cx,
2901 );
2902 });
2903 }
2904 })
2905 .detach();
2906
2907 language_server
2908 .notify::<lsp::notification::DidChangeConfiguration>(
2909 lsp::DidChangeConfigurationParams {
2910 settings: workspace_config,
2911 },
2912 )
2913 .ok();
2914
2915 Ok(Some(language_server))
2916 }
2917
2918 fn insert_newly_running_language_server(
2919 &mut self,
2920 language: Arc<Language>,
2921 adapter: Arc<CachedLspAdapter>,
2922 language_server: Arc<LanguageServer>,
2923 server_id: LanguageServerId,
2924 key: (WorktreeId, LanguageServerName),
2925 cx: &mut ModelContext<Self>,
2926 ) -> Result<()> {
2927 // If the language server for this key doesn't match the server id, don't store the
2928 // server. Which will cause it to be dropped, killing the process
2929 if self
2930 .language_server_ids
2931 .get(&key)
2932 .map(|id| id != &server_id)
2933 .unwrap_or(false)
2934 {
2935 return Ok(());
2936 }
2937
2938 // Update language_servers collection with Running variant of LanguageServerState
2939 // indicating that the server is up and running and ready
2940 self.language_servers.insert(
2941 server_id,
2942 LanguageServerState::Running {
2943 adapter: adapter.clone(),
2944 language: language.clone(),
2945 watched_paths: Default::default(),
2946 server: language_server.clone(),
2947 simulate_disk_based_diagnostics_completion: None,
2948 },
2949 );
2950
2951 self.language_server_statuses.insert(
2952 server_id,
2953 LanguageServerStatus {
2954 name: language_server.name().to_string(),
2955 pending_work: Default::default(),
2956 has_pending_diagnostic_updates: false,
2957 progress_tokens: Default::default(),
2958 },
2959 );
2960
2961 cx.emit(Event::LanguageServerAdded(server_id));
2962
2963 if let Some(project_id) = self.remote_id() {
2964 self.client.send(proto::StartLanguageServer {
2965 project_id,
2966 server: Some(proto::LanguageServer {
2967 id: server_id.0 as u64,
2968 name: language_server.name().to_string(),
2969 }),
2970 })?;
2971 }
2972
2973 // Tell the language server about every open buffer in the worktree that matches the language.
2974 for buffer in self.opened_buffers.values() {
2975 if let Some(buffer_handle) = buffer.upgrade(cx) {
2976 let buffer = buffer_handle.read(cx);
2977 let file = match File::from_dyn(buffer.file()) {
2978 Some(file) => file,
2979 None => continue,
2980 };
2981 let language = match buffer.language() {
2982 Some(language) => language,
2983 None => continue,
2984 };
2985
2986 if file.worktree.read(cx).id() != key.0
2987 || !language.lsp_adapters().iter().any(|a| a.name == key.1)
2988 {
2989 continue;
2990 }
2991
2992 let file = match file.as_local() {
2993 Some(file) => file,
2994 None => continue,
2995 };
2996
2997 let versions = self
2998 .buffer_snapshots
2999 .entry(buffer.remote_id())
3000 .or_default()
3001 .entry(server_id)
3002 .or_insert_with(|| {
3003 vec![LspBufferSnapshot {
3004 version: 0,
3005 snapshot: buffer.text_snapshot(),
3006 }]
3007 });
3008
3009 let snapshot = versions.last().unwrap();
3010 let version = snapshot.version;
3011 let initial_snapshot = &snapshot.snapshot;
3012 let uri = lsp::Url::from_file_path(file.abs_path(cx)).unwrap();
3013 language_server.notify::<lsp::notification::DidOpenTextDocument>(
3014 lsp::DidOpenTextDocumentParams {
3015 text_document: lsp::TextDocumentItem::new(
3016 uri,
3017 adapter
3018 .language_ids
3019 .get(language.name().as_ref())
3020 .cloned()
3021 .unwrap_or_default(),
3022 version,
3023 initial_snapshot.text(),
3024 ),
3025 },
3026 )?;
3027
3028 buffer_handle.update(cx, |buffer, cx| {
3029 buffer.set_completion_triggers(
3030 language_server
3031 .capabilities()
3032 .completion_provider
3033 .as_ref()
3034 .and_then(|provider| provider.trigger_characters.clone())
3035 .unwrap_or_default(),
3036 cx,
3037 )
3038 });
3039 }
3040 }
3041
3042 cx.notify();
3043 Ok(())
3044 }
3045
3046 // Returns a list of all of the worktrees which no longer have a language server and the root path
3047 // for the stopped server
3048 fn stop_language_server(
3049 &mut self,
3050 worktree_id: WorktreeId,
3051 adapter_name: LanguageServerName,
3052 cx: &mut ModelContext<Self>,
3053 ) -> Task<(Option<PathBuf>, Vec<WorktreeId>)> {
3054 let key = (worktree_id, adapter_name);
3055 if let Some(server_id) = self.language_server_ids.remove(&key) {
3056 log::info!("stopping language server {}", key.1 .0);
3057
3058 // Remove other entries for this language server as well
3059 let mut orphaned_worktrees = vec![worktree_id];
3060 let other_keys = self.language_server_ids.keys().cloned().collect::<Vec<_>>();
3061 for other_key in other_keys {
3062 if self.language_server_ids.get(&other_key) == Some(&server_id) {
3063 self.language_server_ids.remove(&other_key);
3064 orphaned_worktrees.push(other_key.0);
3065 }
3066 }
3067
3068 for buffer in self.opened_buffers.values() {
3069 if let Some(buffer) = buffer.upgrade(cx) {
3070 buffer.update(cx, |buffer, cx| {
3071 buffer.update_diagnostics(server_id, Default::default(), cx);
3072 });
3073 }
3074 }
3075 for worktree in &self.worktrees {
3076 if let Some(worktree) = worktree.upgrade(cx) {
3077 worktree.update(cx, |worktree, cx| {
3078 if let Some(worktree) = worktree.as_local_mut() {
3079 worktree.clear_diagnostics_for_language_server(server_id, cx);
3080 }
3081 });
3082 }
3083 }
3084
3085 self.language_server_statuses.remove(&server_id);
3086 cx.notify();
3087
3088 let server_state = self.language_servers.remove(&server_id);
3089 cx.emit(Event::LanguageServerRemoved(server_id));
3090 cx.spawn_weak(|this, mut cx| async move {
3091 let mut root_path = None;
3092
3093 let server = match server_state {
3094 Some(LanguageServerState::Starting(task)) => task.await,
3095 Some(LanguageServerState::Running { server, .. }) => Some(server),
3096 None => None,
3097 };
3098
3099 if let Some(server) = server {
3100 root_path = Some(server.root_path().clone());
3101 if let Some(shutdown) = server.shutdown() {
3102 shutdown.await;
3103 }
3104 }
3105
3106 if let Some(this) = this.upgrade(&cx) {
3107 this.update(&mut cx, |this, cx| {
3108 this.language_server_statuses.remove(&server_id);
3109 cx.notify();
3110 });
3111 }
3112
3113 (root_path, orphaned_worktrees)
3114 })
3115 } else {
3116 Task::ready((None, Vec::new()))
3117 }
3118 }
3119
3120 pub fn restart_language_servers_for_buffers(
3121 &mut self,
3122 buffers: impl IntoIterator<Item = ModelHandle<Buffer>>,
3123 cx: &mut ModelContext<Self>,
3124 ) -> Option<()> {
3125 let language_server_lookup_info: HashSet<(ModelHandle<Worktree>, Arc<Language>)> = buffers
3126 .into_iter()
3127 .filter_map(|buffer| {
3128 let buffer = buffer.read(cx);
3129 let file = File::from_dyn(buffer.file())?;
3130 let full_path = file.full_path(cx);
3131 let language = self
3132 .languages
3133 .language_for_file(&full_path, Some(buffer.as_rope()))
3134 .now_or_never()?
3135 .ok()?;
3136 Some((file.worktree.clone(), language))
3137 })
3138 .collect();
3139 for (worktree, language) in language_server_lookup_info {
3140 self.restart_language_servers(worktree, language, cx);
3141 }
3142
3143 None
3144 }
3145
3146 // TODO This will break in the case where the adapter's root paths and worktrees are not equal
3147 fn restart_language_servers(
3148 &mut self,
3149 worktree: ModelHandle<Worktree>,
3150 language: Arc<Language>,
3151 cx: &mut ModelContext<Self>,
3152 ) {
3153 let worktree_id = worktree.read(cx).id();
3154 let fallback_path = worktree.read(cx).abs_path();
3155
3156 let mut stops = Vec::new();
3157 for adapter in language.lsp_adapters() {
3158 stops.push(self.stop_language_server(worktree_id, adapter.name.clone(), cx));
3159 }
3160
3161 if stops.is_empty() {
3162 return;
3163 }
3164 let mut stops = stops.into_iter();
3165
3166 cx.spawn_weak(|this, mut cx| async move {
3167 let (original_root_path, mut orphaned_worktrees) = stops.next().unwrap().await;
3168 for stop in stops {
3169 let (_, worktrees) = stop.await;
3170 orphaned_worktrees.extend_from_slice(&worktrees);
3171 }
3172
3173 let this = match this.upgrade(&cx) {
3174 Some(this) => this,
3175 None => return,
3176 };
3177
3178 this.update(&mut cx, |this, cx| {
3179 // Attempt to restart using original server path. Fallback to passed in
3180 // path if we could not retrieve the root path
3181 let root_path = original_root_path
3182 .map(|path_buf| Arc::from(path_buf.as_path()))
3183 .unwrap_or(fallback_path);
3184
3185 this.start_language_servers(&worktree, root_path, language.clone(), cx);
3186
3187 // Lookup new server ids and set them for each of the orphaned worktrees
3188 for adapter in language.lsp_adapters() {
3189 if let Some(new_server_id) = this
3190 .language_server_ids
3191 .get(&(worktree_id, adapter.name.clone()))
3192 .cloned()
3193 {
3194 for &orphaned_worktree in &orphaned_worktrees {
3195 this.language_server_ids
3196 .insert((orphaned_worktree, adapter.name.clone()), new_server_id);
3197 }
3198 }
3199 }
3200 });
3201 })
3202 .detach();
3203 }
3204
3205 fn check_errored_server(
3206 language: Arc<Language>,
3207 adapter: Arc<CachedLspAdapter>,
3208 server_id: LanguageServerId,
3209 installation_test_binary: Option<LanguageServerBinary>,
3210 cx: &mut ModelContext<Self>,
3211 ) {
3212 if !adapter.can_be_reinstalled() {
3213 log::info!(
3214 "Validation check requested for {:?} but it cannot be reinstalled",
3215 adapter.name.0
3216 );
3217 return;
3218 }
3219
3220 cx.spawn(|this, mut cx| async move {
3221 log::info!("About to spawn test binary");
3222
3223 // A lack of test binary counts as a failure
3224 let process = installation_test_binary.and_then(|binary| {
3225 smol::process::Command::new(&binary.path)
3226 .current_dir(&binary.path)
3227 .args(binary.arguments)
3228 .stdin(Stdio::piped())
3229 .stdout(Stdio::piped())
3230 .stderr(Stdio::inherit())
3231 .kill_on_drop(true)
3232 .spawn()
3233 .ok()
3234 });
3235
3236 const PROCESS_TIMEOUT: Duration = Duration::from_secs(5);
3237 let mut timeout = cx.background().timer(PROCESS_TIMEOUT).fuse();
3238
3239 let mut errored = false;
3240 if let Some(mut process) = process {
3241 futures::select! {
3242 status = process.status().fuse() => match status {
3243 Ok(status) => errored = !status.success(),
3244 Err(_) => errored = true,
3245 },
3246
3247 _ = timeout => {
3248 log::info!("test binary time-ed out, this counts as a success");
3249 _ = process.kill();
3250 }
3251 }
3252 } else {
3253 log::warn!("test binary failed to launch");
3254 errored = true;
3255 }
3256
3257 if errored {
3258 log::warn!("test binary check failed");
3259 let task = this.update(&mut cx, move |this, mut cx| {
3260 this.reinstall_language_server(language, adapter, server_id, &mut cx)
3261 });
3262
3263 if let Some(task) = task {
3264 task.await;
3265 }
3266 }
3267 })
3268 .detach();
3269 }
3270
3271 fn on_lsp_progress(
3272 &mut self,
3273 progress: lsp::ProgressParams,
3274 language_server_id: LanguageServerId,
3275 disk_based_diagnostics_progress_token: Option<String>,
3276 cx: &mut ModelContext<Self>,
3277 ) {
3278 let token = match progress.token {
3279 lsp::NumberOrString::String(token) => token,
3280 lsp::NumberOrString::Number(token) => {
3281 log::info!("skipping numeric progress token {}", token);
3282 return;
3283 }
3284 };
3285 let lsp::ProgressParamsValue::WorkDone(progress) = progress.value;
3286 let language_server_status =
3287 if let Some(status) = self.language_server_statuses.get_mut(&language_server_id) {
3288 status
3289 } else {
3290 return;
3291 };
3292
3293 if !language_server_status.progress_tokens.contains(&token) {
3294 return;
3295 }
3296
3297 let is_disk_based_diagnostics_progress = disk_based_diagnostics_progress_token
3298 .as_ref()
3299 .map_or(false, |disk_based_token| {
3300 token.starts_with(disk_based_token)
3301 });
3302
3303 match progress {
3304 lsp::WorkDoneProgress::Begin(report) => {
3305 if is_disk_based_diagnostics_progress {
3306 language_server_status.has_pending_diagnostic_updates = true;
3307 self.disk_based_diagnostics_started(language_server_id, cx);
3308 self.buffer_ordered_messages_tx
3309 .unbounded_send(BufferOrderedMessage::LanguageServerUpdate {
3310 language_server_id,
3311 message: proto::update_language_server::Variant::DiskBasedDiagnosticsUpdating(Default::default())
3312 })
3313 .ok();
3314 } else {
3315 self.on_lsp_work_start(
3316 language_server_id,
3317 token.clone(),
3318 LanguageServerProgress {
3319 message: report.message.clone(),
3320 percentage: report.percentage.map(|p| p as usize),
3321 last_update_at: Instant::now(),
3322 },
3323 cx,
3324 );
3325 self.buffer_ordered_messages_tx
3326 .unbounded_send(BufferOrderedMessage::LanguageServerUpdate {
3327 language_server_id,
3328 message: proto::update_language_server::Variant::WorkStart(
3329 proto::LspWorkStart {
3330 token,
3331 message: report.message,
3332 percentage: report.percentage.map(|p| p as u32),
3333 },
3334 ),
3335 })
3336 .ok();
3337 }
3338 }
3339 lsp::WorkDoneProgress::Report(report) => {
3340 if !is_disk_based_diagnostics_progress {
3341 self.on_lsp_work_progress(
3342 language_server_id,
3343 token.clone(),
3344 LanguageServerProgress {
3345 message: report.message.clone(),
3346 percentage: report.percentage.map(|p| p as usize),
3347 last_update_at: Instant::now(),
3348 },
3349 cx,
3350 );
3351 self.buffer_ordered_messages_tx
3352 .unbounded_send(BufferOrderedMessage::LanguageServerUpdate {
3353 language_server_id,
3354 message: proto::update_language_server::Variant::WorkProgress(
3355 proto::LspWorkProgress {
3356 token,
3357 message: report.message,
3358 percentage: report.percentage.map(|p| p as u32),
3359 },
3360 ),
3361 })
3362 .ok();
3363 }
3364 }
3365 lsp::WorkDoneProgress::End(_) => {
3366 language_server_status.progress_tokens.remove(&token);
3367
3368 if is_disk_based_diagnostics_progress {
3369 language_server_status.has_pending_diagnostic_updates = false;
3370 self.disk_based_diagnostics_finished(language_server_id, cx);
3371 self.buffer_ordered_messages_tx
3372 .unbounded_send(BufferOrderedMessage::LanguageServerUpdate {
3373 language_server_id,
3374 message:
3375 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(
3376 Default::default(),
3377 ),
3378 })
3379 .ok();
3380 } else {
3381 self.on_lsp_work_end(language_server_id, token.clone(), cx);
3382 self.buffer_ordered_messages_tx
3383 .unbounded_send(BufferOrderedMessage::LanguageServerUpdate {
3384 language_server_id,
3385 message: proto::update_language_server::Variant::WorkEnd(
3386 proto::LspWorkEnd { token },
3387 ),
3388 })
3389 .ok();
3390 }
3391 }
3392 }
3393 }
3394
3395 fn on_lsp_work_start(
3396 &mut self,
3397 language_server_id: LanguageServerId,
3398 token: String,
3399 progress: LanguageServerProgress,
3400 cx: &mut ModelContext<Self>,
3401 ) {
3402 if let Some(status) = self.language_server_statuses.get_mut(&language_server_id) {
3403 status.pending_work.insert(token, progress);
3404 cx.notify();
3405 }
3406 }
3407
3408 fn on_lsp_work_progress(
3409 &mut self,
3410 language_server_id: LanguageServerId,
3411 token: String,
3412 progress: LanguageServerProgress,
3413 cx: &mut ModelContext<Self>,
3414 ) {
3415 if let Some(status) = self.language_server_statuses.get_mut(&language_server_id) {
3416 let entry = status
3417 .pending_work
3418 .entry(token)
3419 .or_insert(LanguageServerProgress {
3420 message: Default::default(),
3421 percentage: Default::default(),
3422 last_update_at: progress.last_update_at,
3423 });
3424 if progress.message.is_some() {
3425 entry.message = progress.message;
3426 }
3427 if progress.percentage.is_some() {
3428 entry.percentage = progress.percentage;
3429 }
3430 entry.last_update_at = progress.last_update_at;
3431 cx.notify();
3432 }
3433 }
3434
3435 fn on_lsp_work_end(
3436 &mut self,
3437 language_server_id: LanguageServerId,
3438 token: String,
3439 cx: &mut ModelContext<Self>,
3440 ) {
3441 if let Some(status) = self.language_server_statuses.get_mut(&language_server_id) {
3442 cx.emit(Event::RefreshInlays);
3443 status.pending_work.remove(&token);
3444 cx.notify();
3445 }
3446 }
3447
3448 fn on_lsp_did_change_watched_files(
3449 &mut self,
3450 language_server_id: LanguageServerId,
3451 params: DidChangeWatchedFilesRegistrationOptions,
3452 cx: &mut ModelContext<Self>,
3453 ) {
3454 if let Some(LanguageServerState::Running { watched_paths, .. }) =
3455 self.language_servers.get_mut(&language_server_id)
3456 {
3457 let mut builders = HashMap::default();
3458 for watcher in params.watchers {
3459 for worktree in &self.worktrees {
3460 if let Some(worktree) = worktree.upgrade(cx) {
3461 let glob_is_inside_worktree = worktree.update(cx, |tree, _| {
3462 if let Some(abs_path) = tree.abs_path().to_str() {
3463 let relative_glob_pattern = match &watcher.glob_pattern {
3464 lsp::GlobPattern::String(s) => s
3465 .strip_prefix(abs_path)
3466 .and_then(|s| s.strip_prefix(std::path::MAIN_SEPARATOR)),
3467 lsp::GlobPattern::Relative(rp) => {
3468 let base_uri = match &rp.base_uri {
3469 lsp::OneOf::Left(workspace_folder) => {
3470 &workspace_folder.uri
3471 }
3472 lsp::OneOf::Right(base_uri) => base_uri,
3473 };
3474 base_uri.to_file_path().ok().and_then(|file_path| {
3475 (file_path.to_str() == Some(abs_path))
3476 .then_some(rp.pattern.as_str())
3477 })
3478 }
3479 };
3480 if let Some(relative_glob_pattern) = relative_glob_pattern {
3481 let literal_prefix =
3482 glob_literal_prefix(&relative_glob_pattern);
3483 tree.as_local_mut()
3484 .unwrap()
3485 .add_path_prefix_to_scan(Path::new(literal_prefix).into());
3486 if let Some(glob) = Glob::new(relative_glob_pattern).log_err() {
3487 builders
3488 .entry(tree.id())
3489 .or_insert_with(|| GlobSetBuilder::new())
3490 .add(glob);
3491 }
3492 return true;
3493 }
3494 }
3495 false
3496 });
3497 if glob_is_inside_worktree {
3498 break;
3499 }
3500 }
3501 }
3502 }
3503
3504 watched_paths.clear();
3505 for (worktree_id, builder) in builders {
3506 if let Ok(globset) = builder.build() {
3507 watched_paths.insert(worktree_id, globset);
3508 }
3509 }
3510
3511 cx.notify();
3512 }
3513 }
3514
3515 async fn on_lsp_workspace_edit(
3516 this: WeakModelHandle<Self>,
3517 params: lsp::ApplyWorkspaceEditParams,
3518 server_id: LanguageServerId,
3519 adapter: Arc<CachedLspAdapter>,
3520 mut cx: AsyncAppContext,
3521 ) -> Result<lsp::ApplyWorkspaceEditResponse> {
3522 let this = this
3523 .upgrade(&cx)
3524 .ok_or_else(|| anyhow!("project project closed"))?;
3525 let language_server = this
3526 .read_with(&cx, |this, _| this.language_server_for_id(server_id))
3527 .ok_or_else(|| anyhow!("language server not found"))?;
3528 let transaction = Self::deserialize_workspace_edit(
3529 this.clone(),
3530 params.edit,
3531 true,
3532 adapter.clone(),
3533 language_server.clone(),
3534 &mut cx,
3535 )
3536 .await
3537 .log_err();
3538 this.update(&mut cx, |this, _| {
3539 if let Some(transaction) = transaction {
3540 this.last_workspace_edits_by_language_server
3541 .insert(server_id, transaction);
3542 }
3543 });
3544 Ok(lsp::ApplyWorkspaceEditResponse {
3545 applied: true,
3546 failed_change: None,
3547 failure_reason: None,
3548 })
3549 }
3550
3551 pub fn language_server_statuses(
3552 &self,
3553 ) -> impl DoubleEndedIterator<Item = &LanguageServerStatus> {
3554 self.language_server_statuses.values()
3555 }
3556
3557 pub fn update_diagnostics(
3558 &mut self,
3559 language_server_id: LanguageServerId,
3560 mut params: lsp::PublishDiagnosticsParams,
3561 disk_based_sources: &[String],
3562 cx: &mut ModelContext<Self>,
3563 ) -> Result<()> {
3564 let abs_path = params
3565 .uri
3566 .to_file_path()
3567 .map_err(|_| anyhow!("URI is not a file"))?;
3568 let mut diagnostics = Vec::default();
3569 let mut primary_diagnostic_group_ids = HashMap::default();
3570 let mut sources_by_group_id = HashMap::default();
3571 let mut supporting_diagnostics = HashMap::default();
3572
3573 // Ensure that primary diagnostics are always the most severe
3574 params.diagnostics.sort_by_key(|item| item.severity);
3575
3576 for diagnostic in ¶ms.diagnostics {
3577 let source = diagnostic.source.as_ref();
3578 let code = diagnostic.code.as_ref().map(|code| match code {
3579 lsp::NumberOrString::Number(code) => code.to_string(),
3580 lsp::NumberOrString::String(code) => code.clone(),
3581 });
3582 let range = range_from_lsp(diagnostic.range);
3583 let is_supporting = diagnostic
3584 .related_information
3585 .as_ref()
3586 .map_or(false, |infos| {
3587 infos.iter().any(|info| {
3588 primary_diagnostic_group_ids.contains_key(&(
3589 source,
3590 code.clone(),
3591 range_from_lsp(info.location.range),
3592 ))
3593 })
3594 });
3595
3596 let is_unnecessary = diagnostic.tags.as_ref().map_or(false, |tags| {
3597 tags.iter().any(|tag| *tag == DiagnosticTag::UNNECESSARY)
3598 });
3599
3600 if is_supporting {
3601 supporting_diagnostics.insert(
3602 (source, code.clone(), range),
3603 (diagnostic.severity, is_unnecessary),
3604 );
3605 } else {
3606 let group_id = post_inc(&mut self.next_diagnostic_group_id);
3607 let is_disk_based =
3608 source.map_or(false, |source| disk_based_sources.contains(source));
3609
3610 sources_by_group_id.insert(group_id, source);
3611 primary_diagnostic_group_ids
3612 .insert((source, code.clone(), range.clone()), group_id);
3613
3614 diagnostics.push(DiagnosticEntry {
3615 range,
3616 diagnostic: Diagnostic {
3617 source: diagnostic.source.clone(),
3618 code: code.clone(),
3619 severity: diagnostic.severity.unwrap_or(DiagnosticSeverity::ERROR),
3620 message: diagnostic.message.clone(),
3621 group_id,
3622 is_primary: true,
3623 is_valid: true,
3624 is_disk_based,
3625 is_unnecessary,
3626 },
3627 });
3628 if let Some(infos) = &diagnostic.related_information {
3629 for info in infos {
3630 if info.location.uri == params.uri && !info.message.is_empty() {
3631 let range = range_from_lsp(info.location.range);
3632 diagnostics.push(DiagnosticEntry {
3633 range,
3634 diagnostic: Diagnostic {
3635 source: diagnostic.source.clone(),
3636 code: code.clone(),
3637 severity: DiagnosticSeverity::INFORMATION,
3638 message: info.message.clone(),
3639 group_id,
3640 is_primary: false,
3641 is_valid: true,
3642 is_disk_based,
3643 is_unnecessary: false,
3644 },
3645 });
3646 }
3647 }
3648 }
3649 }
3650 }
3651
3652 for entry in &mut diagnostics {
3653 let diagnostic = &mut entry.diagnostic;
3654 if !diagnostic.is_primary {
3655 let source = *sources_by_group_id.get(&diagnostic.group_id).unwrap();
3656 if let Some(&(severity, is_unnecessary)) = supporting_diagnostics.get(&(
3657 source,
3658 diagnostic.code.clone(),
3659 entry.range.clone(),
3660 )) {
3661 if let Some(severity) = severity {
3662 diagnostic.severity = severity;
3663 }
3664 diagnostic.is_unnecessary = is_unnecessary;
3665 }
3666 }
3667 }
3668
3669 self.update_diagnostic_entries(
3670 language_server_id,
3671 abs_path,
3672 params.version,
3673 diagnostics,
3674 cx,
3675 )?;
3676 Ok(())
3677 }
3678
3679 pub fn update_diagnostic_entries(
3680 &mut self,
3681 server_id: LanguageServerId,
3682 abs_path: PathBuf,
3683 version: Option<i32>,
3684 diagnostics: Vec<DiagnosticEntry<Unclipped<PointUtf16>>>,
3685 cx: &mut ModelContext<Project>,
3686 ) -> Result<(), anyhow::Error> {
3687 let (worktree, relative_path) = self
3688 .find_local_worktree(&abs_path, cx)
3689 .ok_or_else(|| anyhow!("no worktree found for diagnostics path {abs_path:?}"))?;
3690
3691 let project_path = ProjectPath {
3692 worktree_id: worktree.read(cx).id(),
3693 path: relative_path.into(),
3694 };
3695
3696 if let Some(buffer) = self.get_open_buffer(&project_path, cx) {
3697 self.update_buffer_diagnostics(&buffer, server_id, version, diagnostics.clone(), cx)?;
3698 }
3699
3700 let updated = worktree.update(cx, |worktree, cx| {
3701 worktree
3702 .as_local_mut()
3703 .ok_or_else(|| anyhow!("not a local worktree"))?
3704 .update_diagnostics(server_id, project_path.path.clone(), diagnostics, cx)
3705 })?;
3706 if updated {
3707 cx.emit(Event::DiagnosticsUpdated {
3708 language_server_id: server_id,
3709 path: project_path,
3710 });
3711 }
3712 Ok(())
3713 }
3714
3715 fn update_buffer_diagnostics(
3716 &mut self,
3717 buffer: &ModelHandle<Buffer>,
3718 server_id: LanguageServerId,
3719 version: Option<i32>,
3720 mut diagnostics: Vec<DiagnosticEntry<Unclipped<PointUtf16>>>,
3721 cx: &mut ModelContext<Self>,
3722 ) -> Result<()> {
3723 fn compare_diagnostics(a: &Diagnostic, b: &Diagnostic) -> Ordering {
3724 Ordering::Equal
3725 .then_with(|| b.is_primary.cmp(&a.is_primary))
3726 .then_with(|| a.is_disk_based.cmp(&b.is_disk_based))
3727 .then_with(|| a.severity.cmp(&b.severity))
3728 .then_with(|| a.message.cmp(&b.message))
3729 }
3730
3731 let snapshot = self.buffer_snapshot_for_lsp_version(buffer, server_id, version, cx)?;
3732
3733 diagnostics.sort_unstable_by(|a, b| {
3734 Ordering::Equal
3735 .then_with(|| a.range.start.cmp(&b.range.start))
3736 .then_with(|| b.range.end.cmp(&a.range.end))
3737 .then_with(|| compare_diagnostics(&a.diagnostic, &b.diagnostic))
3738 });
3739
3740 let mut sanitized_diagnostics = Vec::new();
3741 let edits_since_save = Patch::new(
3742 snapshot
3743 .edits_since::<Unclipped<PointUtf16>>(buffer.read(cx).saved_version())
3744 .collect(),
3745 );
3746 for entry in diagnostics {
3747 let start;
3748 let end;
3749 if entry.diagnostic.is_disk_based {
3750 // Some diagnostics are based on files on disk instead of buffers'
3751 // current contents. Adjust these diagnostics' ranges to reflect
3752 // any unsaved edits.
3753 start = edits_since_save.old_to_new(entry.range.start);
3754 end = edits_since_save.old_to_new(entry.range.end);
3755 } else {
3756 start = entry.range.start;
3757 end = entry.range.end;
3758 }
3759
3760 let mut range = snapshot.clip_point_utf16(start, Bias::Left)
3761 ..snapshot.clip_point_utf16(end, Bias::Right);
3762
3763 // Expand empty ranges by one codepoint
3764 if range.start == range.end {
3765 // This will be go to the next boundary when being clipped
3766 range.end.column += 1;
3767 range.end = snapshot.clip_point_utf16(Unclipped(range.end), Bias::Right);
3768 if range.start == range.end && range.end.column > 0 {
3769 range.start.column -= 1;
3770 range.end = snapshot.clip_point_utf16(Unclipped(range.end), Bias::Left);
3771 }
3772 }
3773
3774 sanitized_diagnostics.push(DiagnosticEntry {
3775 range,
3776 diagnostic: entry.diagnostic,
3777 });
3778 }
3779 drop(edits_since_save);
3780
3781 let set = DiagnosticSet::new(sanitized_diagnostics, &snapshot);
3782 buffer.update(cx, |buffer, cx| {
3783 buffer.update_diagnostics(server_id, set, cx)
3784 });
3785 Ok(())
3786 }
3787
3788 pub fn reload_buffers(
3789 &self,
3790 buffers: HashSet<ModelHandle<Buffer>>,
3791 push_to_history: bool,
3792 cx: &mut ModelContext<Self>,
3793 ) -> Task<Result<ProjectTransaction>> {
3794 let mut local_buffers = Vec::new();
3795 let mut remote_buffers = None;
3796 for buffer_handle in buffers {
3797 let buffer = buffer_handle.read(cx);
3798 if buffer.is_dirty() {
3799 if let Some(file) = File::from_dyn(buffer.file()) {
3800 if file.is_local() {
3801 local_buffers.push(buffer_handle);
3802 } else {
3803 remote_buffers.get_or_insert(Vec::new()).push(buffer_handle);
3804 }
3805 }
3806 }
3807 }
3808
3809 let remote_buffers = self.remote_id().zip(remote_buffers);
3810 let client = self.client.clone();
3811
3812 cx.spawn(|this, mut cx| async move {
3813 let mut project_transaction = ProjectTransaction::default();
3814
3815 if let Some((project_id, remote_buffers)) = remote_buffers {
3816 let response = client
3817 .request(proto::ReloadBuffers {
3818 project_id,
3819 buffer_ids: remote_buffers
3820 .iter()
3821 .map(|buffer| buffer.read_with(&cx, |buffer, _| buffer.remote_id()))
3822 .collect(),
3823 })
3824 .await?
3825 .transaction
3826 .ok_or_else(|| anyhow!("missing transaction"))?;
3827 project_transaction = this
3828 .update(&mut cx, |this, cx| {
3829 this.deserialize_project_transaction(response, push_to_history, cx)
3830 })
3831 .await?;
3832 }
3833
3834 for buffer in local_buffers {
3835 let transaction = buffer
3836 .update(&mut cx, |buffer, cx| buffer.reload(cx))
3837 .await?;
3838 buffer.update(&mut cx, |buffer, cx| {
3839 if let Some(transaction) = transaction {
3840 if !push_to_history {
3841 buffer.forget_transaction(transaction.id);
3842 }
3843 project_transaction.0.insert(cx.handle(), transaction);
3844 }
3845 });
3846 }
3847
3848 Ok(project_transaction)
3849 })
3850 }
3851
3852 pub fn format(
3853 &self,
3854 buffers: HashSet<ModelHandle<Buffer>>,
3855 push_to_history: bool,
3856 trigger: FormatTrigger,
3857 cx: &mut ModelContext<Project>,
3858 ) -> Task<Result<ProjectTransaction>> {
3859 if self.is_local() {
3860 let mut buffers_with_paths_and_servers = buffers
3861 .into_iter()
3862 .filter_map(|buffer_handle| {
3863 let buffer = buffer_handle.read(cx);
3864 let file = File::from_dyn(buffer.file())?;
3865 let buffer_abs_path = file.as_local().map(|f| f.abs_path(cx));
3866 let server = self
3867 .primary_language_servers_for_buffer(buffer, cx)
3868 .map(|s| s.1.clone());
3869 Some((buffer_handle, buffer_abs_path, server))
3870 })
3871 .collect::<Vec<_>>();
3872
3873 cx.spawn(|this, mut cx| async move {
3874 // Do not allow multiple concurrent formatting requests for the
3875 // same buffer.
3876 this.update(&mut cx, |this, cx| {
3877 buffers_with_paths_and_servers.retain(|(buffer, _, _)| {
3878 this.buffers_being_formatted
3879 .insert(buffer.read(cx).remote_id())
3880 });
3881 });
3882
3883 let _cleanup = defer({
3884 let this = this.clone();
3885 let mut cx = cx.clone();
3886 let buffers = &buffers_with_paths_and_servers;
3887 move || {
3888 this.update(&mut cx, |this, cx| {
3889 for (buffer, _, _) in buffers {
3890 this.buffers_being_formatted
3891 .remove(&buffer.read(cx).remote_id());
3892 }
3893 });
3894 }
3895 });
3896
3897 let mut project_transaction = ProjectTransaction::default();
3898 for (buffer, buffer_abs_path, language_server) in &buffers_with_paths_and_servers {
3899 let settings = buffer.read_with(&cx, |buffer, cx| {
3900 language_settings(buffer.language(), buffer.file(), cx).clone()
3901 });
3902
3903 let remove_trailing_whitespace = settings.remove_trailing_whitespace_on_save;
3904 let ensure_final_newline = settings.ensure_final_newline_on_save;
3905 let format_on_save = settings.format_on_save.clone();
3906 let formatter = settings.formatter.clone();
3907 let tab_size = settings.tab_size;
3908
3909 // First, format buffer's whitespace according to the settings.
3910 let trailing_whitespace_diff = if remove_trailing_whitespace {
3911 Some(
3912 buffer
3913 .read_with(&cx, |b, cx| b.remove_trailing_whitespace(cx))
3914 .await,
3915 )
3916 } else {
3917 None
3918 };
3919 let whitespace_transaction_id = buffer.update(&mut cx, |buffer, cx| {
3920 buffer.finalize_last_transaction();
3921 buffer.start_transaction();
3922 if let Some(diff) = trailing_whitespace_diff {
3923 buffer.apply_diff(diff, cx);
3924 }
3925 if ensure_final_newline {
3926 buffer.ensure_final_newline(cx);
3927 }
3928 buffer.end_transaction(cx)
3929 });
3930
3931 // Currently, formatting operations are represented differently depending on
3932 // whether they come from a language server or an external command.
3933 enum FormatOperation {
3934 Lsp(Vec<(Range<Anchor>, String)>),
3935 External(Diff),
3936 }
3937
3938 // Apply language-specific formatting using either a language server
3939 // or external command.
3940 let mut format_operation = None;
3941 match (formatter, format_on_save) {
3942 (_, FormatOnSave::Off) if trigger == FormatTrigger::Save => {}
3943
3944 (Formatter::LanguageServer, FormatOnSave::On | FormatOnSave::Off)
3945 | (_, FormatOnSave::LanguageServer) => {
3946 if let Some((language_server, buffer_abs_path)) =
3947 language_server.as_ref().zip(buffer_abs_path.as_ref())
3948 {
3949 format_operation = Some(FormatOperation::Lsp(
3950 Self::format_via_lsp(
3951 &this,
3952 &buffer,
3953 buffer_abs_path,
3954 &language_server,
3955 tab_size,
3956 &mut cx,
3957 )
3958 .await
3959 .context("failed to format via language server")?,
3960 ));
3961 }
3962 }
3963
3964 (
3965 Formatter::External { command, arguments },
3966 FormatOnSave::On | FormatOnSave::Off,
3967 )
3968 | (_, FormatOnSave::External { command, arguments }) => {
3969 if let Some(buffer_abs_path) = buffer_abs_path {
3970 format_operation = Self::format_via_external_command(
3971 &buffer,
3972 &buffer_abs_path,
3973 &command,
3974 &arguments,
3975 &mut cx,
3976 )
3977 .await
3978 .context(format!(
3979 "failed to format via external command {:?}",
3980 command
3981 ))?
3982 .map(FormatOperation::External);
3983 }
3984 }
3985 };
3986
3987 buffer.update(&mut cx, |b, cx| {
3988 // If the buffer had its whitespace formatted and was edited while the language-specific
3989 // formatting was being computed, avoid applying the language-specific formatting, because
3990 // it can't be grouped with the whitespace formatting in the undo history.
3991 if let Some(transaction_id) = whitespace_transaction_id {
3992 if b.peek_undo_stack()
3993 .map_or(true, |e| e.transaction_id() != transaction_id)
3994 {
3995 format_operation.take();
3996 }
3997 }
3998
3999 // Apply any language-specific formatting, and group the two formatting operations
4000 // in the buffer's undo history.
4001 if let Some(operation) = format_operation {
4002 match operation {
4003 FormatOperation::Lsp(edits) => {
4004 b.edit(edits, None, cx);
4005 }
4006 FormatOperation::External(diff) => {
4007 b.apply_diff(diff, cx);
4008 }
4009 }
4010
4011 if let Some(transaction_id) = whitespace_transaction_id {
4012 b.group_until_transaction(transaction_id);
4013 }
4014 }
4015
4016 if let Some(transaction) = b.finalize_last_transaction().cloned() {
4017 if !push_to_history {
4018 b.forget_transaction(transaction.id);
4019 }
4020 project_transaction.0.insert(buffer.clone(), transaction);
4021 }
4022 });
4023 }
4024
4025 Ok(project_transaction)
4026 })
4027 } else {
4028 let remote_id = self.remote_id();
4029 let client = self.client.clone();
4030 cx.spawn(|this, mut cx| async move {
4031 let mut project_transaction = ProjectTransaction::default();
4032 if let Some(project_id) = remote_id {
4033 let response = client
4034 .request(proto::FormatBuffers {
4035 project_id,
4036 trigger: trigger as i32,
4037 buffer_ids: buffers
4038 .iter()
4039 .map(|buffer| buffer.read_with(&cx, |buffer, _| buffer.remote_id()))
4040 .collect(),
4041 })
4042 .await?
4043 .transaction
4044 .ok_or_else(|| anyhow!("missing transaction"))?;
4045 project_transaction = this
4046 .update(&mut cx, |this, cx| {
4047 this.deserialize_project_transaction(response, push_to_history, cx)
4048 })
4049 .await?;
4050 }
4051 Ok(project_transaction)
4052 })
4053 }
4054 }
4055
4056 async fn format_via_lsp(
4057 this: &ModelHandle<Self>,
4058 buffer: &ModelHandle<Buffer>,
4059 abs_path: &Path,
4060 language_server: &Arc<LanguageServer>,
4061 tab_size: NonZeroU32,
4062 cx: &mut AsyncAppContext,
4063 ) -> Result<Vec<(Range<Anchor>, String)>> {
4064 let uri = lsp::Url::from_file_path(abs_path)
4065 .map_err(|_| anyhow!("failed to convert abs path to uri"))?;
4066 let text_document = lsp::TextDocumentIdentifier::new(uri);
4067 let capabilities = &language_server.capabilities();
4068
4069 let formatting_provider = capabilities.document_formatting_provider.as_ref();
4070 let range_formatting_provider = capabilities.document_range_formatting_provider.as_ref();
4071
4072 let lsp_edits = if matches!(formatting_provider, Some(p) if *p != OneOf::Left(false)) {
4073 language_server
4074 .request::<lsp::request::Formatting>(lsp::DocumentFormattingParams {
4075 text_document,
4076 options: lsp_command::lsp_formatting_options(tab_size.get()),
4077 work_done_progress_params: Default::default(),
4078 })
4079 .await?
4080 } else if matches!(range_formatting_provider, Some(p) if *p != OneOf::Left(false)) {
4081 let buffer_start = lsp::Position::new(0, 0);
4082 let buffer_end = buffer.read_with(cx, |b, _| point_to_lsp(b.max_point_utf16()));
4083
4084 language_server
4085 .request::<lsp::request::RangeFormatting>(lsp::DocumentRangeFormattingParams {
4086 text_document,
4087 range: lsp::Range::new(buffer_start, buffer_end),
4088 options: lsp_command::lsp_formatting_options(tab_size.get()),
4089 work_done_progress_params: Default::default(),
4090 })
4091 .await?
4092 } else {
4093 None
4094 };
4095
4096 if let Some(lsp_edits) = lsp_edits {
4097 this.update(cx, |this, cx| {
4098 this.edits_from_lsp(buffer, lsp_edits, language_server.server_id(), None, cx)
4099 })
4100 .await
4101 } else {
4102 Ok(Vec::new())
4103 }
4104 }
4105
4106 async fn format_via_external_command(
4107 buffer: &ModelHandle<Buffer>,
4108 buffer_abs_path: &Path,
4109 command: &str,
4110 arguments: &[String],
4111 cx: &mut AsyncAppContext,
4112 ) -> Result<Option<Diff>> {
4113 let working_dir_path = buffer.read_with(cx, |buffer, cx| {
4114 let file = File::from_dyn(buffer.file())?;
4115 let worktree = file.worktree.read(cx).as_local()?;
4116 let mut worktree_path = worktree.abs_path().to_path_buf();
4117 if worktree.root_entry()?.is_file() {
4118 worktree_path.pop();
4119 }
4120 Some(worktree_path)
4121 });
4122
4123 if let Some(working_dir_path) = working_dir_path {
4124 let mut child =
4125 smol::process::Command::new(command)
4126 .args(arguments.iter().map(|arg| {
4127 arg.replace("{buffer_path}", &buffer_abs_path.to_string_lossy())
4128 }))
4129 .current_dir(&working_dir_path)
4130 .stdin(smol::process::Stdio::piped())
4131 .stdout(smol::process::Stdio::piped())
4132 .stderr(smol::process::Stdio::piped())
4133 .spawn()?;
4134 let stdin = child
4135 .stdin
4136 .as_mut()
4137 .ok_or_else(|| anyhow!("failed to acquire stdin"))?;
4138 let text = buffer.read_with(cx, |buffer, _| buffer.as_rope().clone());
4139 for chunk in text.chunks() {
4140 stdin.write_all(chunk.as_bytes()).await?;
4141 }
4142 stdin.flush().await?;
4143
4144 let output = child.output().await?;
4145 if !output.status.success() {
4146 return Err(anyhow!(
4147 "command failed with exit code {:?}:\nstdout: {}\nstderr: {}",
4148 output.status.code(),
4149 String::from_utf8_lossy(&output.stdout),
4150 String::from_utf8_lossy(&output.stderr),
4151 ));
4152 }
4153
4154 let stdout = String::from_utf8(output.stdout)?;
4155 Ok(Some(
4156 buffer
4157 .read_with(cx, |buffer, cx| buffer.diff(stdout, cx))
4158 .await,
4159 ))
4160 } else {
4161 Ok(None)
4162 }
4163 }
4164
4165 pub fn definition<T: ToPointUtf16>(
4166 &self,
4167 buffer: &ModelHandle<Buffer>,
4168 position: T,
4169 cx: &mut ModelContext<Self>,
4170 ) -> Task<Result<Vec<LocationLink>>> {
4171 let position = position.to_point_utf16(buffer.read(cx));
4172 self.request_lsp(buffer.clone(), GetDefinition { position }, cx)
4173 }
4174
4175 pub fn type_definition<T: ToPointUtf16>(
4176 &self,
4177 buffer: &ModelHandle<Buffer>,
4178 position: T,
4179 cx: &mut ModelContext<Self>,
4180 ) -> Task<Result<Vec<LocationLink>>> {
4181 let position = position.to_point_utf16(buffer.read(cx));
4182 self.request_lsp(buffer.clone(), GetTypeDefinition { position }, cx)
4183 }
4184
4185 pub fn references<T: ToPointUtf16>(
4186 &self,
4187 buffer: &ModelHandle<Buffer>,
4188 position: T,
4189 cx: &mut ModelContext<Self>,
4190 ) -> Task<Result<Vec<Location>>> {
4191 let position = position.to_point_utf16(buffer.read(cx));
4192 self.request_lsp(buffer.clone(), GetReferences { position }, cx)
4193 }
4194
4195 pub fn document_highlights<T: ToPointUtf16>(
4196 &self,
4197 buffer: &ModelHandle<Buffer>,
4198 position: T,
4199 cx: &mut ModelContext<Self>,
4200 ) -> Task<Result<Vec<DocumentHighlight>>> {
4201 let position = position.to_point_utf16(buffer.read(cx));
4202 self.request_lsp(buffer.clone(), GetDocumentHighlights { position }, cx)
4203 }
4204
4205 pub fn symbols(&self, query: &str, cx: &mut ModelContext<Self>) -> Task<Result<Vec<Symbol>>> {
4206 if self.is_local() {
4207 let mut requests = Vec::new();
4208 for ((worktree_id, _), server_id) in self.language_server_ids.iter() {
4209 let worktree_id = *worktree_id;
4210 let worktree_handle = self.worktree_for_id(worktree_id, cx);
4211 let worktree = match worktree_handle.and_then(|tree| tree.read(cx).as_local()) {
4212 Some(worktree) => worktree,
4213 None => continue,
4214 };
4215 let worktree_abs_path = worktree.abs_path().clone();
4216
4217 let (adapter, language, server) = match self.language_servers.get(server_id) {
4218 Some(LanguageServerState::Running {
4219 adapter,
4220 language,
4221 server,
4222 ..
4223 }) => (adapter.clone(), language.clone(), server),
4224
4225 _ => continue,
4226 };
4227
4228 requests.push(
4229 server
4230 .request::<lsp::request::WorkspaceSymbolRequest>(
4231 lsp::WorkspaceSymbolParams {
4232 query: query.to_string(),
4233 ..Default::default()
4234 },
4235 )
4236 .log_err()
4237 .map(move |response| {
4238 let lsp_symbols = response.flatten().map(|symbol_response| match symbol_response {
4239 lsp::WorkspaceSymbolResponse::Flat(flat_responses) => {
4240 flat_responses.into_iter().map(|lsp_symbol| {
4241 (lsp_symbol.name, lsp_symbol.kind, lsp_symbol.location)
4242 }).collect::<Vec<_>>()
4243 }
4244 lsp::WorkspaceSymbolResponse::Nested(nested_responses) => {
4245 nested_responses.into_iter().filter_map(|lsp_symbol| {
4246 let location = match lsp_symbol.location {
4247 OneOf::Left(location) => location,
4248 OneOf::Right(_) => {
4249 error!("Unexpected: client capabilities forbid symbol resolutions in workspace.symbol.resolveSupport");
4250 return None
4251 }
4252 };
4253 Some((lsp_symbol.name, lsp_symbol.kind, location))
4254 }).collect::<Vec<_>>()
4255 }
4256 }).unwrap_or_default();
4257
4258 (
4259 adapter,
4260 language,
4261 worktree_id,
4262 worktree_abs_path,
4263 lsp_symbols,
4264 )
4265 }),
4266 );
4267 }
4268
4269 cx.spawn_weak(|this, cx| async move {
4270 let responses = futures::future::join_all(requests).await;
4271 let this = match this.upgrade(&cx) {
4272 Some(this) => this,
4273 None => return Ok(Vec::new()),
4274 };
4275
4276 let symbols = this.read_with(&cx, |this, cx| {
4277 let mut symbols = Vec::new();
4278 for (
4279 adapter,
4280 adapter_language,
4281 source_worktree_id,
4282 worktree_abs_path,
4283 lsp_symbols,
4284 ) in responses
4285 {
4286 symbols.extend(lsp_symbols.into_iter().filter_map(
4287 |(symbol_name, symbol_kind, symbol_location)| {
4288 let abs_path = symbol_location.uri.to_file_path().ok()?;
4289 let mut worktree_id = source_worktree_id;
4290 let path;
4291 if let Some((worktree, rel_path)) =
4292 this.find_local_worktree(&abs_path, cx)
4293 {
4294 worktree_id = worktree.read(cx).id();
4295 path = rel_path;
4296 } else {
4297 path = relativize_path(&worktree_abs_path, &abs_path);
4298 }
4299
4300 let project_path = ProjectPath {
4301 worktree_id,
4302 path: path.into(),
4303 };
4304 let signature = this.symbol_signature(&project_path);
4305 let adapter_language = adapter_language.clone();
4306 let language = this
4307 .languages
4308 .language_for_file(&project_path.path, None)
4309 .unwrap_or_else(move |_| adapter_language);
4310 let language_server_name = adapter.name.clone();
4311 Some(async move {
4312 let language = language.await;
4313 let label =
4314 language.label_for_symbol(&symbol_name, symbol_kind).await;
4315
4316 Symbol {
4317 language_server_name,
4318 source_worktree_id,
4319 path: project_path,
4320 label: label.unwrap_or_else(|| {
4321 CodeLabel::plain(symbol_name.clone(), None)
4322 }),
4323 kind: symbol_kind,
4324 name: symbol_name,
4325 range: range_from_lsp(symbol_location.range),
4326 signature,
4327 }
4328 })
4329 },
4330 ));
4331 }
4332
4333 symbols
4334 });
4335
4336 Ok(futures::future::join_all(symbols).await)
4337 })
4338 } else if let Some(project_id) = self.remote_id() {
4339 let request = self.client.request(proto::GetProjectSymbols {
4340 project_id,
4341 query: query.to_string(),
4342 });
4343 cx.spawn_weak(|this, cx| async move {
4344 let response = request.await?;
4345 let mut symbols = Vec::new();
4346 if let Some(this) = this.upgrade(&cx) {
4347 let new_symbols = this.read_with(&cx, |this, _| {
4348 response
4349 .symbols
4350 .into_iter()
4351 .map(|symbol| this.deserialize_symbol(symbol))
4352 .collect::<Vec<_>>()
4353 });
4354 symbols = futures::future::join_all(new_symbols)
4355 .await
4356 .into_iter()
4357 .filter_map(|symbol| symbol.log_err())
4358 .collect::<Vec<_>>();
4359 }
4360 Ok(symbols)
4361 })
4362 } else {
4363 Task::ready(Ok(Default::default()))
4364 }
4365 }
4366
4367 pub fn open_buffer_for_symbol(
4368 &mut self,
4369 symbol: &Symbol,
4370 cx: &mut ModelContext<Self>,
4371 ) -> Task<Result<ModelHandle<Buffer>>> {
4372 if self.is_local() {
4373 let language_server_id = if let Some(id) = self.language_server_ids.get(&(
4374 symbol.source_worktree_id,
4375 symbol.language_server_name.clone(),
4376 )) {
4377 *id
4378 } else {
4379 return Task::ready(Err(anyhow!(
4380 "language server for worktree and language not found"
4381 )));
4382 };
4383
4384 let worktree_abs_path = if let Some(worktree_abs_path) = self
4385 .worktree_for_id(symbol.path.worktree_id, cx)
4386 .and_then(|worktree| worktree.read(cx).as_local())
4387 .map(|local_worktree| local_worktree.abs_path())
4388 {
4389 worktree_abs_path
4390 } else {
4391 return Task::ready(Err(anyhow!("worktree not found for symbol")));
4392 };
4393 let symbol_abs_path = worktree_abs_path.join(&symbol.path.path);
4394 let symbol_uri = if let Ok(uri) = lsp::Url::from_file_path(symbol_abs_path) {
4395 uri
4396 } else {
4397 return Task::ready(Err(anyhow!("invalid symbol path")));
4398 };
4399
4400 self.open_local_buffer_via_lsp(
4401 symbol_uri,
4402 language_server_id,
4403 symbol.language_server_name.clone(),
4404 cx,
4405 )
4406 } else if let Some(project_id) = self.remote_id() {
4407 let request = self.client.request(proto::OpenBufferForSymbol {
4408 project_id,
4409 symbol: Some(serialize_symbol(symbol)),
4410 });
4411 cx.spawn(|this, mut cx| async move {
4412 let response = request.await?;
4413 this.update(&mut cx, |this, cx| {
4414 this.wait_for_remote_buffer(response.buffer_id, cx)
4415 })
4416 .await
4417 })
4418 } else {
4419 Task::ready(Err(anyhow!("project does not have a remote id")))
4420 }
4421 }
4422
4423 pub fn hover<T: ToPointUtf16>(
4424 &self,
4425 buffer: &ModelHandle<Buffer>,
4426 position: T,
4427 cx: &mut ModelContext<Self>,
4428 ) -> Task<Result<Option<Hover>>> {
4429 let position = position.to_point_utf16(buffer.read(cx));
4430 self.request_lsp(buffer.clone(), GetHover { position }, cx)
4431 }
4432
4433 pub fn completions<T: ToPointUtf16>(
4434 &self,
4435 buffer: &ModelHandle<Buffer>,
4436 position: T,
4437 cx: &mut ModelContext<Self>,
4438 ) -> Task<Result<Vec<Completion>>> {
4439 let position = position.to_point_utf16(buffer.read(cx));
4440 self.request_lsp(buffer.clone(), GetCompletions { position }, cx)
4441 }
4442
4443 pub fn apply_additional_edits_for_completion(
4444 &self,
4445 buffer_handle: ModelHandle<Buffer>,
4446 completion: Completion,
4447 push_to_history: bool,
4448 cx: &mut ModelContext<Self>,
4449 ) -> Task<Result<Option<Transaction>>> {
4450 let buffer = buffer_handle.read(cx);
4451 let buffer_id = buffer.remote_id();
4452
4453 if self.is_local() {
4454 let lang_server = match self.primary_language_servers_for_buffer(buffer, cx) {
4455 Some((_, server)) => server.clone(),
4456 _ => return Task::ready(Ok(Default::default())),
4457 };
4458
4459 cx.spawn(|this, mut cx| async move {
4460 let additional_text_edits = lang_server
4461 .request::<lsp::request::ResolveCompletionItem>(completion.lsp_completion)
4462 .await?
4463 .additional_text_edits;
4464 if let Some(edits) = additional_text_edits {
4465 let edits = this
4466 .update(&mut cx, |this, cx| {
4467 this.edits_from_lsp(
4468 &buffer_handle,
4469 edits,
4470 lang_server.server_id(),
4471 None,
4472 cx,
4473 )
4474 })
4475 .await?;
4476
4477 buffer_handle.update(&mut cx, |buffer, cx| {
4478 buffer.finalize_last_transaction();
4479 buffer.start_transaction();
4480
4481 for (range, text) in edits {
4482 let primary = &completion.old_range;
4483 let start_within = primary.start.cmp(&range.start, buffer).is_le()
4484 && primary.end.cmp(&range.start, buffer).is_ge();
4485 let end_within = range.start.cmp(&primary.end, buffer).is_le()
4486 && range.end.cmp(&primary.end, buffer).is_ge();
4487
4488 //Skip additional edits which overlap with the primary completion edit
4489 //https://github.com/zed-industries/zed/pull/1871
4490 if !start_within && !end_within {
4491 buffer.edit([(range, text)], None, cx);
4492 }
4493 }
4494
4495 let transaction = if buffer.end_transaction(cx).is_some() {
4496 let transaction = buffer.finalize_last_transaction().unwrap().clone();
4497 if !push_to_history {
4498 buffer.forget_transaction(transaction.id);
4499 }
4500 Some(transaction)
4501 } else {
4502 None
4503 };
4504 Ok(transaction)
4505 })
4506 } else {
4507 Ok(None)
4508 }
4509 })
4510 } else if let Some(project_id) = self.remote_id() {
4511 let client = self.client.clone();
4512 cx.spawn(|_, mut cx| async move {
4513 let response = client
4514 .request(proto::ApplyCompletionAdditionalEdits {
4515 project_id,
4516 buffer_id,
4517 completion: Some(language::proto::serialize_completion(&completion)),
4518 })
4519 .await?;
4520
4521 if let Some(transaction) = response.transaction {
4522 let transaction = language::proto::deserialize_transaction(transaction)?;
4523 buffer_handle
4524 .update(&mut cx, |buffer, _| {
4525 buffer.wait_for_edits(transaction.edit_ids.iter().copied())
4526 })
4527 .await?;
4528 if push_to_history {
4529 buffer_handle.update(&mut cx, |buffer, _| {
4530 buffer.push_transaction(transaction.clone(), Instant::now());
4531 });
4532 }
4533 Ok(Some(transaction))
4534 } else {
4535 Ok(None)
4536 }
4537 })
4538 } else {
4539 Task::ready(Err(anyhow!("project does not have a remote id")))
4540 }
4541 }
4542
4543 pub fn code_actions<T: Clone + ToOffset>(
4544 &self,
4545 buffer_handle: &ModelHandle<Buffer>,
4546 range: Range<T>,
4547 cx: &mut ModelContext<Self>,
4548 ) -> Task<Result<Vec<CodeAction>>> {
4549 let buffer = buffer_handle.read(cx);
4550 let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
4551 self.request_lsp(buffer_handle.clone(), GetCodeActions { range }, cx)
4552 }
4553
4554 pub fn apply_code_action(
4555 &self,
4556 buffer_handle: ModelHandle<Buffer>,
4557 mut action: CodeAction,
4558 push_to_history: bool,
4559 cx: &mut ModelContext<Self>,
4560 ) -> Task<Result<ProjectTransaction>> {
4561 if self.is_local() {
4562 let buffer = buffer_handle.read(cx);
4563 let (lsp_adapter, lang_server) = if let Some((adapter, server)) =
4564 self.language_server_for_buffer(buffer, action.server_id, cx)
4565 {
4566 (adapter.clone(), server.clone())
4567 } else {
4568 return Task::ready(Ok(Default::default()));
4569 };
4570 let range = action.range.to_point_utf16(buffer);
4571
4572 cx.spawn(|this, mut cx| async move {
4573 if let Some(lsp_range) = action
4574 .lsp_action
4575 .data
4576 .as_mut()
4577 .and_then(|d| d.get_mut("codeActionParams"))
4578 .and_then(|d| d.get_mut("range"))
4579 {
4580 *lsp_range = serde_json::to_value(&range_to_lsp(range)).unwrap();
4581 action.lsp_action = lang_server
4582 .request::<lsp::request::CodeActionResolveRequest>(action.lsp_action)
4583 .await?;
4584 } else {
4585 let actions = this
4586 .update(&mut cx, |this, cx| {
4587 this.code_actions(&buffer_handle, action.range, cx)
4588 })
4589 .await?;
4590 action.lsp_action = actions
4591 .into_iter()
4592 .find(|a| a.lsp_action.title == action.lsp_action.title)
4593 .ok_or_else(|| anyhow!("code action is outdated"))?
4594 .lsp_action;
4595 }
4596
4597 if let Some(edit) = action.lsp_action.edit {
4598 if edit.changes.is_some() || edit.document_changes.is_some() {
4599 return Self::deserialize_workspace_edit(
4600 this,
4601 edit,
4602 push_to_history,
4603 lsp_adapter.clone(),
4604 lang_server.clone(),
4605 &mut cx,
4606 )
4607 .await;
4608 }
4609 }
4610
4611 if let Some(command) = action.lsp_action.command {
4612 this.update(&mut cx, |this, _| {
4613 this.last_workspace_edits_by_language_server
4614 .remove(&lang_server.server_id());
4615 });
4616
4617 let result = lang_server
4618 .request::<lsp::request::ExecuteCommand>(lsp::ExecuteCommandParams {
4619 command: command.command,
4620 arguments: command.arguments.unwrap_or_default(),
4621 ..Default::default()
4622 })
4623 .await;
4624
4625 if let Err(err) = result {
4626 // TODO: LSP ERROR
4627 return Err(err);
4628 }
4629
4630 return Ok(this.update(&mut cx, |this, _| {
4631 this.last_workspace_edits_by_language_server
4632 .remove(&lang_server.server_id())
4633 .unwrap_or_default()
4634 }));
4635 }
4636
4637 Ok(ProjectTransaction::default())
4638 })
4639 } else if let Some(project_id) = self.remote_id() {
4640 let client = self.client.clone();
4641 let request = proto::ApplyCodeAction {
4642 project_id,
4643 buffer_id: buffer_handle.read(cx).remote_id(),
4644 action: Some(language::proto::serialize_code_action(&action)),
4645 };
4646 cx.spawn(|this, mut cx| async move {
4647 let response = client
4648 .request(request)
4649 .await?
4650 .transaction
4651 .ok_or_else(|| anyhow!("missing transaction"))?;
4652 this.update(&mut cx, |this, cx| {
4653 this.deserialize_project_transaction(response, push_to_history, cx)
4654 })
4655 .await
4656 })
4657 } else {
4658 Task::ready(Err(anyhow!("project does not have a remote id")))
4659 }
4660 }
4661
4662 fn apply_on_type_formatting(
4663 &self,
4664 buffer: ModelHandle<Buffer>,
4665 position: Anchor,
4666 trigger: String,
4667 cx: &mut ModelContext<Self>,
4668 ) -> Task<Result<Option<Transaction>>> {
4669 if self.is_local() {
4670 cx.spawn(|this, mut cx| async move {
4671 // Do not allow multiple concurrent formatting requests for the
4672 // same buffer.
4673 this.update(&mut cx, |this, cx| {
4674 this.buffers_being_formatted
4675 .insert(buffer.read(cx).remote_id())
4676 });
4677
4678 let _cleanup = defer({
4679 let this = this.clone();
4680 let mut cx = cx.clone();
4681 let closure_buffer = buffer.clone();
4682 move || {
4683 this.update(&mut cx, |this, cx| {
4684 this.buffers_being_formatted
4685 .remove(&closure_buffer.read(cx).remote_id());
4686 });
4687 }
4688 });
4689
4690 buffer
4691 .update(&mut cx, |buffer, _| {
4692 buffer.wait_for_edits(Some(position.timestamp))
4693 })
4694 .await?;
4695 this.update(&mut cx, |this, cx| {
4696 let position = position.to_point_utf16(buffer.read(cx));
4697 this.on_type_format(buffer, position, trigger, false, cx)
4698 })
4699 .await
4700 })
4701 } else if let Some(project_id) = self.remote_id() {
4702 let client = self.client.clone();
4703 let request = proto::OnTypeFormatting {
4704 project_id,
4705 buffer_id: buffer.read(cx).remote_id(),
4706 position: Some(serialize_anchor(&position)),
4707 trigger,
4708 version: serialize_version(&buffer.read(cx).version()),
4709 };
4710 cx.spawn(|_, _| async move {
4711 client
4712 .request(request)
4713 .await?
4714 .transaction
4715 .map(language::proto::deserialize_transaction)
4716 .transpose()
4717 })
4718 } else {
4719 Task::ready(Err(anyhow!("project does not have a remote id")))
4720 }
4721 }
4722
4723 async fn deserialize_edits(
4724 this: ModelHandle<Self>,
4725 buffer_to_edit: ModelHandle<Buffer>,
4726 edits: Vec<lsp::TextEdit>,
4727 push_to_history: bool,
4728 _: Arc<CachedLspAdapter>,
4729 language_server: Arc<LanguageServer>,
4730 cx: &mut AsyncAppContext,
4731 ) -> Result<Option<Transaction>> {
4732 let edits = this
4733 .update(cx, |this, cx| {
4734 this.edits_from_lsp(
4735 &buffer_to_edit,
4736 edits,
4737 language_server.server_id(),
4738 None,
4739 cx,
4740 )
4741 })
4742 .await?;
4743
4744 let transaction = buffer_to_edit.update(cx, |buffer, cx| {
4745 buffer.finalize_last_transaction();
4746 buffer.start_transaction();
4747 for (range, text) in edits {
4748 buffer.edit([(range, text)], None, cx);
4749 }
4750
4751 if buffer.end_transaction(cx).is_some() {
4752 let transaction = buffer.finalize_last_transaction().unwrap().clone();
4753 if !push_to_history {
4754 buffer.forget_transaction(transaction.id);
4755 }
4756 Some(transaction)
4757 } else {
4758 None
4759 }
4760 });
4761
4762 Ok(transaction)
4763 }
4764
4765 async fn deserialize_workspace_edit(
4766 this: ModelHandle<Self>,
4767 edit: lsp::WorkspaceEdit,
4768 push_to_history: bool,
4769 lsp_adapter: Arc<CachedLspAdapter>,
4770 language_server: Arc<LanguageServer>,
4771 cx: &mut AsyncAppContext,
4772 ) -> Result<ProjectTransaction> {
4773 let fs = this.read_with(cx, |this, _| this.fs.clone());
4774 let mut operations = Vec::new();
4775 if let Some(document_changes) = edit.document_changes {
4776 match document_changes {
4777 lsp::DocumentChanges::Edits(edits) => {
4778 operations.extend(edits.into_iter().map(lsp::DocumentChangeOperation::Edit))
4779 }
4780 lsp::DocumentChanges::Operations(ops) => operations = ops,
4781 }
4782 } else if let Some(changes) = edit.changes {
4783 operations.extend(changes.into_iter().map(|(uri, edits)| {
4784 lsp::DocumentChangeOperation::Edit(lsp::TextDocumentEdit {
4785 text_document: lsp::OptionalVersionedTextDocumentIdentifier {
4786 uri,
4787 version: None,
4788 },
4789 edits: edits.into_iter().map(OneOf::Left).collect(),
4790 })
4791 }));
4792 }
4793
4794 let mut project_transaction = ProjectTransaction::default();
4795 for operation in operations {
4796 match operation {
4797 lsp::DocumentChangeOperation::Op(lsp::ResourceOp::Create(op)) => {
4798 let abs_path = op
4799 .uri
4800 .to_file_path()
4801 .map_err(|_| anyhow!("can't convert URI to path"))?;
4802
4803 if let Some(parent_path) = abs_path.parent() {
4804 fs.create_dir(parent_path).await?;
4805 }
4806 if abs_path.ends_with("/") {
4807 fs.create_dir(&abs_path).await?;
4808 } else {
4809 fs.create_file(&abs_path, op.options.map(Into::into).unwrap_or_default())
4810 .await?;
4811 }
4812 }
4813
4814 lsp::DocumentChangeOperation::Op(lsp::ResourceOp::Rename(op)) => {
4815 let source_abs_path = op
4816 .old_uri
4817 .to_file_path()
4818 .map_err(|_| anyhow!("can't convert URI to path"))?;
4819 let target_abs_path = op
4820 .new_uri
4821 .to_file_path()
4822 .map_err(|_| anyhow!("can't convert URI to path"))?;
4823 fs.rename(
4824 &source_abs_path,
4825 &target_abs_path,
4826 op.options.map(Into::into).unwrap_or_default(),
4827 )
4828 .await?;
4829 }
4830
4831 lsp::DocumentChangeOperation::Op(lsp::ResourceOp::Delete(op)) => {
4832 let abs_path = op
4833 .uri
4834 .to_file_path()
4835 .map_err(|_| anyhow!("can't convert URI to path"))?;
4836 let options = op.options.map(Into::into).unwrap_or_default();
4837 if abs_path.ends_with("/") {
4838 fs.remove_dir(&abs_path, options).await?;
4839 } else {
4840 fs.remove_file(&abs_path, options).await?;
4841 }
4842 }
4843
4844 lsp::DocumentChangeOperation::Edit(op) => {
4845 let buffer_to_edit = this
4846 .update(cx, |this, cx| {
4847 this.open_local_buffer_via_lsp(
4848 op.text_document.uri,
4849 language_server.server_id(),
4850 lsp_adapter.name.clone(),
4851 cx,
4852 )
4853 })
4854 .await?;
4855
4856 let edits = this
4857 .update(cx, |this, cx| {
4858 let edits = op.edits.into_iter().map(|edit| match edit {
4859 OneOf::Left(edit) => edit,
4860 OneOf::Right(edit) => edit.text_edit,
4861 });
4862 this.edits_from_lsp(
4863 &buffer_to_edit,
4864 edits,
4865 language_server.server_id(),
4866 op.text_document.version,
4867 cx,
4868 )
4869 })
4870 .await?;
4871
4872 let transaction = buffer_to_edit.update(cx, |buffer, cx| {
4873 buffer.finalize_last_transaction();
4874 buffer.start_transaction();
4875 for (range, text) in edits {
4876 buffer.edit([(range, text)], None, cx);
4877 }
4878 let transaction = if buffer.end_transaction(cx).is_some() {
4879 let transaction = buffer.finalize_last_transaction().unwrap().clone();
4880 if !push_to_history {
4881 buffer.forget_transaction(transaction.id);
4882 }
4883 Some(transaction)
4884 } else {
4885 None
4886 };
4887
4888 transaction
4889 });
4890 if let Some(transaction) = transaction {
4891 project_transaction.0.insert(buffer_to_edit, transaction);
4892 }
4893 }
4894 }
4895 }
4896
4897 Ok(project_transaction)
4898 }
4899
4900 pub fn prepare_rename<T: ToPointUtf16>(
4901 &self,
4902 buffer: ModelHandle<Buffer>,
4903 position: T,
4904 cx: &mut ModelContext<Self>,
4905 ) -> Task<Result<Option<Range<Anchor>>>> {
4906 let position = position.to_point_utf16(buffer.read(cx));
4907 self.request_lsp(buffer, PrepareRename { position }, cx)
4908 }
4909
4910 pub fn perform_rename<T: ToPointUtf16>(
4911 &self,
4912 buffer: ModelHandle<Buffer>,
4913 position: T,
4914 new_name: String,
4915 push_to_history: bool,
4916 cx: &mut ModelContext<Self>,
4917 ) -> Task<Result<ProjectTransaction>> {
4918 let position = position.to_point_utf16(buffer.read(cx));
4919 self.request_lsp(
4920 buffer,
4921 PerformRename {
4922 position,
4923 new_name,
4924 push_to_history,
4925 },
4926 cx,
4927 )
4928 }
4929
4930 pub fn on_type_format<T: ToPointUtf16>(
4931 &self,
4932 buffer: ModelHandle<Buffer>,
4933 position: T,
4934 trigger: String,
4935 push_to_history: bool,
4936 cx: &mut ModelContext<Self>,
4937 ) -> Task<Result<Option<Transaction>>> {
4938 let (position, tab_size) = buffer.read_with(cx, |buffer, cx| {
4939 let position = position.to_point_utf16(buffer);
4940 (
4941 position,
4942 language_settings(buffer.language_at(position).as_ref(), buffer.file(), cx)
4943 .tab_size,
4944 )
4945 });
4946 self.request_lsp(
4947 buffer.clone(),
4948 OnTypeFormatting {
4949 position,
4950 trigger,
4951 options: lsp_command::lsp_formatting_options(tab_size.get()).into(),
4952 push_to_history,
4953 },
4954 cx,
4955 )
4956 }
4957
4958 pub fn inlay_hints<T: ToOffset>(
4959 &self,
4960 buffer_handle: ModelHandle<Buffer>,
4961 range: Range<T>,
4962 cx: &mut ModelContext<Self>,
4963 ) -> Task<Result<Vec<InlayHint>>> {
4964 let buffer = buffer_handle.read(cx);
4965 let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
4966 let range_start = range.start;
4967 let range_end = range.end;
4968 let buffer_id = buffer.remote_id();
4969 let buffer_version = buffer.version().clone();
4970 let lsp_request = InlayHints { range };
4971
4972 if self.is_local() {
4973 let lsp_request_task = self.request_lsp(buffer_handle.clone(), lsp_request, cx);
4974 cx.spawn(|_, mut cx| async move {
4975 buffer_handle
4976 .update(&mut cx, |buffer, _| {
4977 buffer.wait_for_edits(vec![range_start.timestamp, range_end.timestamp])
4978 })
4979 .await
4980 .context("waiting for inlay hint request range edits")?;
4981 lsp_request_task.await.context("inlay hints LSP request")
4982 })
4983 } else if let Some(project_id) = self.remote_id() {
4984 let client = self.client.clone();
4985 let request = proto::InlayHints {
4986 project_id,
4987 buffer_id,
4988 start: Some(serialize_anchor(&range_start)),
4989 end: Some(serialize_anchor(&range_end)),
4990 version: serialize_version(&buffer_version),
4991 };
4992 cx.spawn(|project, cx| async move {
4993 let response = client
4994 .request(request)
4995 .await
4996 .context("inlay hints proto request")?;
4997 let hints_request_result = LspCommand::response_from_proto(
4998 lsp_request,
4999 response,
5000 project,
5001 buffer_handle.clone(),
5002 cx,
5003 )
5004 .await;
5005
5006 hints_request_result.context("inlay hints proto response conversion")
5007 })
5008 } else {
5009 Task::ready(Err(anyhow!("project does not have a remote id")))
5010 }
5011 }
5012
5013 #[allow(clippy::type_complexity)]
5014 pub fn search(
5015 &self,
5016 query: SearchQuery,
5017 cx: &mut ModelContext<Self>,
5018 ) -> Task<Result<HashMap<ModelHandle<Buffer>, Vec<Range<Anchor>>>>> {
5019 if self.is_local() {
5020 let snapshots = self
5021 .visible_worktrees(cx)
5022 .filter_map(|tree| {
5023 let tree = tree.read(cx).as_local()?;
5024 Some(tree.snapshot())
5025 })
5026 .collect::<Vec<_>>();
5027
5028 let background = cx.background().clone();
5029 let path_count: usize = snapshots.iter().map(|s| s.visible_file_count()).sum();
5030 if path_count == 0 {
5031 return Task::ready(Ok(Default::default()));
5032 }
5033 let workers = background.num_cpus().min(path_count);
5034 let (matching_paths_tx, mut matching_paths_rx) = smol::channel::bounded(1024);
5035 cx.background()
5036 .spawn({
5037 let fs = self.fs.clone();
5038 let background = cx.background().clone();
5039 let query = query.clone();
5040 async move {
5041 let fs = &fs;
5042 let query = &query;
5043 let matching_paths_tx = &matching_paths_tx;
5044 let paths_per_worker = (path_count + workers - 1) / workers;
5045 let snapshots = &snapshots;
5046 background
5047 .scoped(|scope| {
5048 for worker_ix in 0..workers {
5049 let worker_start_ix = worker_ix * paths_per_worker;
5050 let worker_end_ix = worker_start_ix + paths_per_worker;
5051 scope.spawn(async move {
5052 let mut snapshot_start_ix = 0;
5053 let mut abs_path = PathBuf::new();
5054 for snapshot in snapshots {
5055 let snapshot_end_ix =
5056 snapshot_start_ix + snapshot.visible_file_count();
5057 if worker_end_ix <= snapshot_start_ix {
5058 break;
5059 } else if worker_start_ix > snapshot_end_ix {
5060 snapshot_start_ix = snapshot_end_ix;
5061 continue;
5062 } else {
5063 let start_in_snapshot = worker_start_ix
5064 .saturating_sub(snapshot_start_ix);
5065 let end_in_snapshot =
5066 cmp::min(worker_end_ix, snapshot_end_ix)
5067 - snapshot_start_ix;
5068
5069 for entry in snapshot
5070 .files(false, start_in_snapshot)
5071 .take(end_in_snapshot - start_in_snapshot)
5072 {
5073 if matching_paths_tx.is_closed() {
5074 break;
5075 }
5076 let matches = if query
5077 .file_matches(Some(&entry.path))
5078 {
5079 abs_path.clear();
5080 abs_path.push(&snapshot.abs_path());
5081 abs_path.push(&entry.path);
5082 if let Some(file) =
5083 fs.open_sync(&abs_path).await.log_err()
5084 {
5085 query.detect(file).unwrap_or(false)
5086 } else {
5087 false
5088 }
5089 } else {
5090 false
5091 };
5092
5093 if matches {
5094 let project_path =
5095 (snapshot.id(), entry.path.clone());
5096 if matching_paths_tx
5097 .send(project_path)
5098 .await
5099 .is_err()
5100 {
5101 break;
5102 }
5103 }
5104 }
5105
5106 snapshot_start_ix = snapshot_end_ix;
5107 }
5108 }
5109 });
5110 }
5111 })
5112 .await;
5113 }
5114 })
5115 .detach();
5116
5117 let (buffers_tx, buffers_rx) = smol::channel::bounded(1024);
5118 let open_buffers = self
5119 .opened_buffers
5120 .values()
5121 .filter_map(|b| b.upgrade(cx))
5122 .collect::<HashSet<_>>();
5123 cx.spawn(|this, cx| async move {
5124 for buffer in &open_buffers {
5125 let snapshot = buffer.read_with(&cx, |buffer, _| buffer.snapshot());
5126 buffers_tx.send((buffer.clone(), snapshot)).await?;
5127 }
5128
5129 let open_buffers = Rc::new(RefCell::new(open_buffers));
5130 while let Some(project_path) = matching_paths_rx.next().await {
5131 if buffers_tx.is_closed() {
5132 break;
5133 }
5134
5135 let this = this.clone();
5136 let open_buffers = open_buffers.clone();
5137 let buffers_tx = buffers_tx.clone();
5138 cx.spawn(|mut cx| async move {
5139 if let Some(buffer) = this
5140 .update(&mut cx, |this, cx| this.open_buffer(project_path, cx))
5141 .await
5142 .log_err()
5143 {
5144 if open_buffers.borrow_mut().insert(buffer.clone()) {
5145 let snapshot = buffer.read_with(&cx, |buffer, _| buffer.snapshot());
5146 buffers_tx.send((buffer, snapshot)).await?;
5147 }
5148 }
5149
5150 Ok::<_, anyhow::Error>(())
5151 })
5152 .detach();
5153 }
5154
5155 Ok::<_, anyhow::Error>(())
5156 })
5157 .detach_and_log_err(cx);
5158
5159 let background = cx.background().clone();
5160 cx.background().spawn(async move {
5161 let query = &query;
5162 let mut matched_buffers = Vec::new();
5163 for _ in 0..workers {
5164 matched_buffers.push(HashMap::default());
5165 }
5166 background
5167 .scoped(|scope| {
5168 for worker_matched_buffers in matched_buffers.iter_mut() {
5169 let mut buffers_rx = buffers_rx.clone();
5170 scope.spawn(async move {
5171 while let Some((buffer, snapshot)) = buffers_rx.next().await {
5172 let buffer_matches = if query.file_matches(
5173 snapshot.file().map(|file| file.path().as_ref()),
5174 ) {
5175 query
5176 .search(snapshot.as_rope())
5177 .await
5178 .iter()
5179 .map(|range| {
5180 snapshot.anchor_before(range.start)
5181 ..snapshot.anchor_after(range.end)
5182 })
5183 .collect()
5184 } else {
5185 Vec::new()
5186 };
5187 if !buffer_matches.is_empty() {
5188 worker_matched_buffers
5189 .insert(buffer.clone(), buffer_matches);
5190 }
5191 }
5192 });
5193 }
5194 })
5195 .await;
5196 Ok(matched_buffers.into_iter().flatten().collect())
5197 })
5198 } else if let Some(project_id) = self.remote_id() {
5199 let request = self.client.request(query.to_proto(project_id));
5200 cx.spawn(|this, mut cx| async move {
5201 let response = request.await?;
5202 let mut result = HashMap::default();
5203 for location in response.locations {
5204 let target_buffer = this
5205 .update(&mut cx, |this, cx| {
5206 this.wait_for_remote_buffer(location.buffer_id, cx)
5207 })
5208 .await?;
5209 let start = location
5210 .start
5211 .and_then(deserialize_anchor)
5212 .ok_or_else(|| anyhow!("missing target start"))?;
5213 let end = location
5214 .end
5215 .and_then(deserialize_anchor)
5216 .ok_or_else(|| anyhow!("missing target end"))?;
5217 result
5218 .entry(target_buffer)
5219 .or_insert(Vec::new())
5220 .push(start..end)
5221 }
5222 Ok(result)
5223 })
5224 } else {
5225 Task::ready(Ok(Default::default()))
5226 }
5227 }
5228
5229 // TODO: Wire this up to allow selecting a server?
5230 fn request_lsp<R: LspCommand>(
5231 &self,
5232 buffer_handle: ModelHandle<Buffer>,
5233 request: R,
5234 cx: &mut ModelContext<Self>,
5235 ) -> Task<Result<R::Response>>
5236 where
5237 <R::LspRequest as lsp::request::Request>::Result: Send,
5238 {
5239 let buffer = buffer_handle.read(cx);
5240 if self.is_local() {
5241 let file = File::from_dyn(buffer.file()).and_then(File::as_local);
5242 if let Some((file, language_server)) = file.zip(
5243 self.primary_language_servers_for_buffer(buffer, cx)
5244 .map(|(_, server)| server.clone()),
5245 ) {
5246 let lsp_params = request.to_lsp(&file.abs_path(cx), buffer, &language_server, cx);
5247 return cx.spawn(|this, cx| async move {
5248 if !request.check_capabilities(language_server.capabilities()) {
5249 return Ok(Default::default());
5250 }
5251
5252 let result = language_server.request::<R::LspRequest>(lsp_params).await;
5253 let response = match result {
5254 Ok(response) => response,
5255
5256 Err(err) => {
5257 log::warn!(
5258 "Generic lsp request to {} failed: {}",
5259 language_server.name(),
5260 err
5261 );
5262 return Err(err);
5263 }
5264 };
5265
5266 request
5267 .response_from_lsp(
5268 response,
5269 this,
5270 buffer_handle,
5271 language_server.server_id(),
5272 cx,
5273 )
5274 .await
5275 });
5276 }
5277 } else if let Some(project_id) = self.remote_id() {
5278 let rpc = self.client.clone();
5279 let message = request.to_proto(project_id, buffer);
5280 return cx.spawn_weak(|this, cx| async move {
5281 // Ensure the project is still alive by the time the task
5282 // is scheduled.
5283 this.upgrade(&cx)
5284 .ok_or_else(|| anyhow!("project dropped"))?;
5285
5286 let response = rpc.request(message).await?;
5287
5288 let this = this
5289 .upgrade(&cx)
5290 .ok_or_else(|| anyhow!("project dropped"))?;
5291 if this.read_with(&cx, |this, _| this.is_read_only()) {
5292 Err(anyhow!("disconnected before completing request"))
5293 } else {
5294 request
5295 .response_from_proto(response, this, buffer_handle, cx)
5296 .await
5297 }
5298 });
5299 }
5300 Task::ready(Ok(Default::default()))
5301 }
5302
5303 pub fn find_or_create_local_worktree(
5304 &mut self,
5305 abs_path: impl AsRef<Path>,
5306 visible: bool,
5307 cx: &mut ModelContext<Self>,
5308 ) -> Task<Result<(ModelHandle<Worktree>, PathBuf)>> {
5309 let abs_path = abs_path.as_ref();
5310 if let Some((tree, relative_path)) = self.find_local_worktree(abs_path, cx) {
5311 Task::ready(Ok((tree, relative_path)))
5312 } else {
5313 let worktree = self.create_local_worktree(abs_path, visible, cx);
5314 cx.foreground()
5315 .spawn(async move { Ok((worktree.await?, PathBuf::new())) })
5316 }
5317 }
5318
5319 pub fn find_local_worktree(
5320 &self,
5321 abs_path: &Path,
5322 cx: &AppContext,
5323 ) -> Option<(ModelHandle<Worktree>, PathBuf)> {
5324 for tree in &self.worktrees {
5325 if let Some(tree) = tree.upgrade(cx) {
5326 if let Some(relative_path) = tree
5327 .read(cx)
5328 .as_local()
5329 .and_then(|t| abs_path.strip_prefix(t.abs_path()).ok())
5330 {
5331 return Some((tree.clone(), relative_path.into()));
5332 }
5333 }
5334 }
5335 None
5336 }
5337
5338 pub fn is_shared(&self) -> bool {
5339 match &self.client_state {
5340 Some(ProjectClientState::Local { .. }) => true,
5341 _ => false,
5342 }
5343 }
5344
5345 fn create_local_worktree(
5346 &mut self,
5347 abs_path: impl AsRef<Path>,
5348 visible: bool,
5349 cx: &mut ModelContext<Self>,
5350 ) -> Task<Result<ModelHandle<Worktree>>> {
5351 let fs = self.fs.clone();
5352 let client = self.client.clone();
5353 let next_entry_id = self.next_entry_id.clone();
5354 let path: Arc<Path> = abs_path.as_ref().into();
5355 let task = self
5356 .loading_local_worktrees
5357 .entry(path.clone())
5358 .or_insert_with(|| {
5359 cx.spawn(|project, mut cx| {
5360 async move {
5361 let worktree = Worktree::local(
5362 client.clone(),
5363 path.clone(),
5364 visible,
5365 fs,
5366 next_entry_id,
5367 &mut cx,
5368 )
5369 .await;
5370
5371 project.update(&mut cx, |project, _| {
5372 project.loading_local_worktrees.remove(&path);
5373 });
5374
5375 let worktree = worktree?;
5376 project.update(&mut cx, |project, cx| project.add_worktree(&worktree, cx));
5377 Ok(worktree)
5378 }
5379 .map_err(Arc::new)
5380 })
5381 .shared()
5382 })
5383 .clone();
5384 cx.foreground().spawn(async move {
5385 match task.await {
5386 Ok(worktree) => Ok(worktree),
5387 Err(err) => Err(anyhow!("{}", err)),
5388 }
5389 })
5390 }
5391
5392 pub fn remove_worktree(&mut self, id_to_remove: WorktreeId, cx: &mut ModelContext<Self>) {
5393 self.worktrees.retain(|worktree| {
5394 if let Some(worktree) = worktree.upgrade(cx) {
5395 let id = worktree.read(cx).id();
5396 if id == id_to_remove {
5397 cx.emit(Event::WorktreeRemoved(id));
5398 false
5399 } else {
5400 true
5401 }
5402 } else {
5403 false
5404 }
5405 });
5406 self.metadata_changed(cx);
5407 }
5408
5409 fn add_worktree(&mut self, worktree: &ModelHandle<Worktree>, cx: &mut ModelContext<Self>) {
5410 cx.observe(worktree, |_, _, cx| cx.notify()).detach();
5411 if worktree.read(cx).is_local() {
5412 cx.subscribe(worktree, |this, worktree, event, cx| match event {
5413 worktree::Event::UpdatedEntries(changes) => {
5414 this.update_local_worktree_buffers(&worktree, changes, cx);
5415 this.update_local_worktree_language_servers(&worktree, changes, cx);
5416 this.update_local_worktree_settings(&worktree, changes, cx);
5417 cx.emit(Event::WorktreeUpdatedEntries(
5418 worktree.read(cx).id(),
5419 changes.clone(),
5420 ));
5421 }
5422 worktree::Event::UpdatedGitRepositories(updated_repos) => {
5423 this.update_local_worktree_buffers_git_repos(worktree, updated_repos, cx)
5424 }
5425 })
5426 .detach();
5427 }
5428
5429 let push_strong_handle = {
5430 let worktree = worktree.read(cx);
5431 self.is_shared() || worktree.is_visible() || worktree.is_remote()
5432 };
5433 if push_strong_handle {
5434 self.worktrees
5435 .push(WorktreeHandle::Strong(worktree.clone()));
5436 } else {
5437 self.worktrees
5438 .push(WorktreeHandle::Weak(worktree.downgrade()));
5439 }
5440
5441 let handle_id = worktree.id();
5442 cx.observe_release(worktree, move |this, worktree, cx| {
5443 let _ = this.remove_worktree(worktree.id(), cx);
5444 cx.update_global::<SettingsStore, _, _>(|store, cx| {
5445 store.clear_local_settings(handle_id, cx).log_err()
5446 });
5447 })
5448 .detach();
5449
5450 cx.emit(Event::WorktreeAdded);
5451 self.metadata_changed(cx);
5452 }
5453
5454 fn update_local_worktree_buffers(
5455 &mut self,
5456 worktree_handle: &ModelHandle<Worktree>,
5457 changes: &[(Arc<Path>, ProjectEntryId, PathChange)],
5458 cx: &mut ModelContext<Self>,
5459 ) {
5460 let snapshot = worktree_handle.read(cx).snapshot();
5461
5462 let mut renamed_buffers = Vec::new();
5463 for (path, entry_id, _) in changes {
5464 let worktree_id = worktree_handle.read(cx).id();
5465 let project_path = ProjectPath {
5466 worktree_id,
5467 path: path.clone(),
5468 };
5469
5470 let buffer_id = match self.local_buffer_ids_by_entry_id.get(entry_id) {
5471 Some(&buffer_id) => buffer_id,
5472 None => match self.local_buffer_ids_by_path.get(&project_path) {
5473 Some(&buffer_id) => buffer_id,
5474 None => continue,
5475 },
5476 };
5477
5478 let open_buffer = self.opened_buffers.get(&buffer_id);
5479 let buffer = if let Some(buffer) = open_buffer.and_then(|buffer| buffer.upgrade(cx)) {
5480 buffer
5481 } else {
5482 self.opened_buffers.remove(&buffer_id);
5483 self.local_buffer_ids_by_path.remove(&project_path);
5484 self.local_buffer_ids_by_entry_id.remove(entry_id);
5485 continue;
5486 };
5487
5488 buffer.update(cx, |buffer, cx| {
5489 if let Some(old_file) = File::from_dyn(buffer.file()) {
5490 if old_file.worktree != *worktree_handle {
5491 return;
5492 }
5493
5494 let new_file = if let Some(entry) = snapshot.entry_for_id(old_file.entry_id) {
5495 File {
5496 is_local: true,
5497 entry_id: entry.id,
5498 mtime: entry.mtime,
5499 path: entry.path.clone(),
5500 worktree: worktree_handle.clone(),
5501 is_deleted: false,
5502 }
5503 } else if let Some(entry) = snapshot.entry_for_path(old_file.path().as_ref()) {
5504 File {
5505 is_local: true,
5506 entry_id: entry.id,
5507 mtime: entry.mtime,
5508 path: entry.path.clone(),
5509 worktree: worktree_handle.clone(),
5510 is_deleted: false,
5511 }
5512 } else {
5513 File {
5514 is_local: true,
5515 entry_id: old_file.entry_id,
5516 path: old_file.path().clone(),
5517 mtime: old_file.mtime(),
5518 worktree: worktree_handle.clone(),
5519 is_deleted: true,
5520 }
5521 };
5522
5523 let old_path = old_file.abs_path(cx);
5524 if new_file.abs_path(cx) != old_path {
5525 renamed_buffers.push((cx.handle(), old_file.clone()));
5526 self.local_buffer_ids_by_path.remove(&project_path);
5527 self.local_buffer_ids_by_path.insert(
5528 ProjectPath {
5529 worktree_id,
5530 path: path.clone(),
5531 },
5532 buffer_id,
5533 );
5534 }
5535
5536 if new_file.entry_id != *entry_id {
5537 self.local_buffer_ids_by_entry_id.remove(entry_id);
5538 self.local_buffer_ids_by_entry_id
5539 .insert(new_file.entry_id, buffer_id);
5540 }
5541
5542 if new_file != *old_file {
5543 if let Some(project_id) = self.remote_id() {
5544 self.client
5545 .send(proto::UpdateBufferFile {
5546 project_id,
5547 buffer_id: buffer_id as u64,
5548 file: Some(new_file.to_proto()),
5549 })
5550 .log_err();
5551 }
5552
5553 buffer.file_updated(Arc::new(new_file), cx).detach();
5554 }
5555 }
5556 });
5557 }
5558
5559 for (buffer, old_file) in renamed_buffers {
5560 self.unregister_buffer_from_language_servers(&buffer, &old_file, cx);
5561 self.detect_language_for_buffer(&buffer, cx);
5562 self.register_buffer_with_language_servers(&buffer, cx);
5563 }
5564 }
5565
5566 fn update_local_worktree_language_servers(
5567 &mut self,
5568 worktree_handle: &ModelHandle<Worktree>,
5569 changes: &[(Arc<Path>, ProjectEntryId, PathChange)],
5570 cx: &mut ModelContext<Self>,
5571 ) {
5572 if changes.is_empty() {
5573 return;
5574 }
5575
5576 let worktree_id = worktree_handle.read(cx).id();
5577 let mut language_server_ids = self
5578 .language_server_ids
5579 .iter()
5580 .filter_map(|((server_worktree_id, _), server_id)| {
5581 (*server_worktree_id == worktree_id).then_some(*server_id)
5582 })
5583 .collect::<Vec<_>>();
5584 language_server_ids.sort();
5585 language_server_ids.dedup();
5586
5587 let abs_path = worktree_handle.read(cx).abs_path();
5588 for server_id in &language_server_ids {
5589 if let Some(LanguageServerState::Running {
5590 server,
5591 watched_paths,
5592 ..
5593 }) = self.language_servers.get(server_id)
5594 {
5595 if let Some(watched_paths) = watched_paths.get(&worktree_id) {
5596 let params = lsp::DidChangeWatchedFilesParams {
5597 changes: changes
5598 .iter()
5599 .filter_map(|(path, _, change)| {
5600 if !watched_paths.is_match(&path) {
5601 return None;
5602 }
5603 let typ = match change {
5604 PathChange::Loaded => return None,
5605 PathChange::Added => lsp::FileChangeType::CREATED,
5606 PathChange::Removed => lsp::FileChangeType::DELETED,
5607 PathChange::Updated => lsp::FileChangeType::CHANGED,
5608 PathChange::AddedOrUpdated => lsp::FileChangeType::CHANGED,
5609 };
5610 Some(lsp::FileEvent {
5611 uri: lsp::Url::from_file_path(abs_path.join(path)).unwrap(),
5612 typ,
5613 })
5614 })
5615 .collect(),
5616 };
5617
5618 if !params.changes.is_empty() {
5619 server
5620 .notify::<lsp::notification::DidChangeWatchedFiles>(params)
5621 .log_err();
5622 }
5623 }
5624 }
5625 }
5626 }
5627
5628 fn update_local_worktree_buffers_git_repos(
5629 &mut self,
5630 worktree_handle: ModelHandle<Worktree>,
5631 changed_repos: &UpdatedGitRepositoriesSet,
5632 cx: &mut ModelContext<Self>,
5633 ) {
5634 debug_assert!(worktree_handle.read(cx).is_local());
5635
5636 // Identify the loading buffers whose containing repository that has changed.
5637 let future_buffers = self
5638 .loading_buffers_by_path
5639 .iter()
5640 .filter_map(|(project_path, receiver)| {
5641 if project_path.worktree_id != worktree_handle.read(cx).id() {
5642 return None;
5643 }
5644 let path = &project_path.path;
5645 changed_repos
5646 .iter()
5647 .find(|(work_dir, _)| path.starts_with(work_dir))?;
5648 let receiver = receiver.clone();
5649 let path = path.clone();
5650 Some(async move {
5651 wait_for_loading_buffer(receiver)
5652 .await
5653 .ok()
5654 .map(|buffer| (buffer, path))
5655 })
5656 })
5657 .collect::<FuturesUnordered<_>>();
5658
5659 // Identify the current buffers whose containing repository has changed.
5660 let current_buffers = self
5661 .opened_buffers
5662 .values()
5663 .filter_map(|buffer| {
5664 let buffer = buffer.upgrade(cx)?;
5665 let file = File::from_dyn(buffer.read(cx).file())?;
5666 if file.worktree != worktree_handle {
5667 return None;
5668 }
5669 let path = file.path();
5670 changed_repos
5671 .iter()
5672 .find(|(work_dir, _)| path.starts_with(work_dir))?;
5673 Some((buffer, path.clone()))
5674 })
5675 .collect::<Vec<_>>();
5676
5677 if future_buffers.len() + current_buffers.len() == 0 {
5678 return;
5679 }
5680
5681 let remote_id = self.remote_id();
5682 let client = self.client.clone();
5683 cx.spawn_weak(move |_, mut cx| async move {
5684 // Wait for all of the buffers to load.
5685 let future_buffers = future_buffers.collect::<Vec<_>>().await;
5686
5687 // Reload the diff base for every buffer whose containing git repository has changed.
5688 let snapshot =
5689 worktree_handle.read_with(&cx, |tree, _| tree.as_local().unwrap().snapshot());
5690 let diff_bases_by_buffer = cx
5691 .background()
5692 .spawn(async move {
5693 future_buffers
5694 .into_iter()
5695 .filter_map(|e| e)
5696 .chain(current_buffers)
5697 .filter_map(|(buffer, path)| {
5698 let (work_directory, repo) =
5699 snapshot.repository_and_work_directory_for_path(&path)?;
5700 let repo = snapshot.get_local_repo(&repo)?;
5701 let relative_path = path.strip_prefix(&work_directory).ok()?;
5702 let base_text = repo.repo_ptr.lock().load_index_text(&relative_path);
5703 Some((buffer, base_text))
5704 })
5705 .collect::<Vec<_>>()
5706 })
5707 .await;
5708
5709 // Assign the new diff bases on all of the buffers.
5710 for (buffer, diff_base) in diff_bases_by_buffer {
5711 let buffer_id = buffer.update(&mut cx, |buffer, cx| {
5712 buffer.set_diff_base(diff_base.clone(), cx);
5713 buffer.remote_id()
5714 });
5715 if let Some(project_id) = remote_id {
5716 client
5717 .send(proto::UpdateDiffBase {
5718 project_id,
5719 buffer_id,
5720 diff_base,
5721 })
5722 .log_err();
5723 }
5724 }
5725 })
5726 .detach();
5727 }
5728
5729 fn update_local_worktree_settings(
5730 &mut self,
5731 worktree: &ModelHandle<Worktree>,
5732 changes: &UpdatedEntriesSet,
5733 cx: &mut ModelContext<Self>,
5734 ) {
5735 let project_id = self.remote_id();
5736 let worktree_id = worktree.id();
5737 let worktree = worktree.read(cx).as_local().unwrap();
5738 let remote_worktree_id = worktree.id();
5739
5740 let mut settings_contents = Vec::new();
5741 for (path, _, change) in changes.iter() {
5742 if path.ends_with(&*LOCAL_SETTINGS_RELATIVE_PATH) {
5743 let settings_dir = Arc::from(
5744 path.ancestors()
5745 .nth(LOCAL_SETTINGS_RELATIVE_PATH.components().count())
5746 .unwrap(),
5747 );
5748 let fs = self.fs.clone();
5749 let removed = *change == PathChange::Removed;
5750 let abs_path = worktree.absolutize(path);
5751 settings_contents.push(async move {
5752 (settings_dir, (!removed).then_some(fs.load(&abs_path).await))
5753 });
5754 }
5755 }
5756
5757 if settings_contents.is_empty() {
5758 return;
5759 }
5760
5761 let client = self.client.clone();
5762 cx.spawn_weak(move |_, mut cx| async move {
5763 let settings_contents: Vec<(Arc<Path>, _)> =
5764 futures::future::join_all(settings_contents).await;
5765 cx.update(|cx| {
5766 cx.update_global::<SettingsStore, _, _>(|store, cx| {
5767 for (directory, file_content) in settings_contents {
5768 let file_content = file_content.and_then(|content| content.log_err());
5769 store
5770 .set_local_settings(
5771 worktree_id,
5772 directory.clone(),
5773 file_content.as_ref().map(String::as_str),
5774 cx,
5775 )
5776 .log_err();
5777 if let Some(remote_id) = project_id {
5778 client
5779 .send(proto::UpdateWorktreeSettings {
5780 project_id: remote_id,
5781 worktree_id: remote_worktree_id.to_proto(),
5782 path: directory.to_string_lossy().into_owned(),
5783 content: file_content,
5784 })
5785 .log_err();
5786 }
5787 }
5788 });
5789 });
5790 })
5791 .detach();
5792 }
5793
5794 pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut ModelContext<Self>) {
5795 let new_active_entry = entry.and_then(|project_path| {
5796 let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
5797 let entry = worktree.read(cx).entry_for_path(project_path.path)?;
5798 Some(entry.id)
5799 });
5800 if new_active_entry != self.active_entry {
5801 self.active_entry = new_active_entry;
5802 cx.emit(Event::ActiveEntryChanged(new_active_entry));
5803 }
5804 }
5805
5806 pub fn language_servers_running_disk_based_diagnostics(
5807 &self,
5808 ) -> impl Iterator<Item = LanguageServerId> + '_ {
5809 self.language_server_statuses
5810 .iter()
5811 .filter_map(|(id, status)| {
5812 if status.has_pending_diagnostic_updates {
5813 Some(*id)
5814 } else {
5815 None
5816 }
5817 })
5818 }
5819
5820 pub fn diagnostic_summary(&self, cx: &AppContext) -> DiagnosticSummary {
5821 let mut summary = DiagnosticSummary::default();
5822 for (_, _, path_summary) in self.diagnostic_summaries(cx) {
5823 summary.error_count += path_summary.error_count;
5824 summary.warning_count += path_summary.warning_count;
5825 }
5826 summary
5827 }
5828
5829 pub fn diagnostic_summaries<'a>(
5830 &'a self,
5831 cx: &'a AppContext,
5832 ) -> impl Iterator<Item = (ProjectPath, LanguageServerId, DiagnosticSummary)> + 'a {
5833 self.visible_worktrees(cx).flat_map(move |worktree| {
5834 let worktree = worktree.read(cx);
5835 let worktree_id = worktree.id();
5836 worktree
5837 .diagnostic_summaries()
5838 .map(move |(path, server_id, summary)| {
5839 (ProjectPath { worktree_id, path }, server_id, summary)
5840 })
5841 })
5842 }
5843
5844 pub fn disk_based_diagnostics_started(
5845 &mut self,
5846 language_server_id: LanguageServerId,
5847 cx: &mut ModelContext<Self>,
5848 ) {
5849 cx.emit(Event::DiskBasedDiagnosticsStarted { language_server_id });
5850 }
5851
5852 pub fn disk_based_diagnostics_finished(
5853 &mut self,
5854 language_server_id: LanguageServerId,
5855 cx: &mut ModelContext<Self>,
5856 ) {
5857 cx.emit(Event::DiskBasedDiagnosticsFinished { language_server_id });
5858 }
5859
5860 pub fn active_entry(&self) -> Option<ProjectEntryId> {
5861 self.active_entry
5862 }
5863
5864 pub fn entry_for_path(&self, path: &ProjectPath, cx: &AppContext) -> Option<Entry> {
5865 self.worktree_for_id(path.worktree_id, cx)?
5866 .read(cx)
5867 .entry_for_path(&path.path)
5868 .cloned()
5869 }
5870
5871 pub fn path_for_entry(&self, entry_id: ProjectEntryId, cx: &AppContext) -> Option<ProjectPath> {
5872 let worktree = self.worktree_for_entry(entry_id, cx)?;
5873 let worktree = worktree.read(cx);
5874 let worktree_id = worktree.id();
5875 let path = worktree.entry_for_id(entry_id)?.path.clone();
5876 Some(ProjectPath { worktree_id, path })
5877 }
5878
5879 pub fn absolute_path(&self, project_path: &ProjectPath, cx: &AppContext) -> Option<PathBuf> {
5880 let workspace_root = self
5881 .worktree_for_id(project_path.worktree_id, cx)?
5882 .read(cx)
5883 .abs_path();
5884 let project_path = project_path.path.as_ref();
5885
5886 Some(if project_path == Path::new("") {
5887 workspace_root.to_path_buf()
5888 } else {
5889 workspace_root.join(project_path)
5890 })
5891 }
5892
5893 // RPC message handlers
5894
5895 async fn handle_unshare_project(
5896 this: ModelHandle<Self>,
5897 _: TypedEnvelope<proto::UnshareProject>,
5898 _: Arc<Client>,
5899 mut cx: AsyncAppContext,
5900 ) -> Result<()> {
5901 this.update(&mut cx, |this, cx| {
5902 if this.is_local() {
5903 this.unshare(cx)?;
5904 } else {
5905 this.disconnected_from_host(cx);
5906 }
5907 Ok(())
5908 })
5909 }
5910
5911 async fn handle_add_collaborator(
5912 this: ModelHandle<Self>,
5913 mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
5914 _: Arc<Client>,
5915 mut cx: AsyncAppContext,
5916 ) -> Result<()> {
5917 let collaborator = envelope
5918 .payload
5919 .collaborator
5920 .take()
5921 .ok_or_else(|| anyhow!("empty collaborator"))?;
5922
5923 let collaborator = Collaborator::from_proto(collaborator)?;
5924 this.update(&mut cx, |this, cx| {
5925 this.shared_buffers.remove(&collaborator.peer_id);
5926 this.collaborators
5927 .insert(collaborator.peer_id, collaborator);
5928 cx.notify();
5929 });
5930
5931 Ok(())
5932 }
5933
5934 async fn handle_update_project_collaborator(
5935 this: ModelHandle<Self>,
5936 envelope: TypedEnvelope<proto::UpdateProjectCollaborator>,
5937 _: Arc<Client>,
5938 mut cx: AsyncAppContext,
5939 ) -> Result<()> {
5940 let old_peer_id = envelope
5941 .payload
5942 .old_peer_id
5943 .ok_or_else(|| anyhow!("missing old peer id"))?;
5944 let new_peer_id = envelope
5945 .payload
5946 .new_peer_id
5947 .ok_or_else(|| anyhow!("missing new peer id"))?;
5948 this.update(&mut cx, |this, cx| {
5949 let collaborator = this
5950 .collaborators
5951 .remove(&old_peer_id)
5952 .ok_or_else(|| anyhow!("received UpdateProjectCollaborator for unknown peer"))?;
5953 let is_host = collaborator.replica_id == 0;
5954 this.collaborators.insert(new_peer_id, collaborator);
5955
5956 let buffers = this.shared_buffers.remove(&old_peer_id);
5957 log::info!(
5958 "peer {} became {}. moving buffers {:?}",
5959 old_peer_id,
5960 new_peer_id,
5961 &buffers
5962 );
5963 if let Some(buffers) = buffers {
5964 this.shared_buffers.insert(new_peer_id, buffers);
5965 }
5966
5967 if is_host {
5968 this.opened_buffers
5969 .retain(|_, buffer| !matches!(buffer, OpenBuffer::Operations(_)));
5970 this.buffer_ordered_messages_tx
5971 .unbounded_send(BufferOrderedMessage::Resync)
5972 .unwrap();
5973 }
5974
5975 cx.emit(Event::CollaboratorUpdated {
5976 old_peer_id,
5977 new_peer_id,
5978 });
5979 cx.notify();
5980 Ok(())
5981 })
5982 }
5983
5984 async fn handle_remove_collaborator(
5985 this: ModelHandle<Self>,
5986 envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
5987 _: Arc<Client>,
5988 mut cx: AsyncAppContext,
5989 ) -> Result<()> {
5990 this.update(&mut cx, |this, cx| {
5991 let peer_id = envelope
5992 .payload
5993 .peer_id
5994 .ok_or_else(|| anyhow!("invalid peer id"))?;
5995 let replica_id = this
5996 .collaborators
5997 .remove(&peer_id)
5998 .ok_or_else(|| anyhow!("unknown peer {:?}", peer_id))?
5999 .replica_id;
6000 for buffer in this.opened_buffers.values() {
6001 if let Some(buffer) = buffer.upgrade(cx) {
6002 buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
6003 }
6004 }
6005 this.shared_buffers.remove(&peer_id);
6006
6007 cx.emit(Event::CollaboratorLeft(peer_id));
6008 cx.notify();
6009 Ok(())
6010 })
6011 }
6012
6013 async fn handle_update_project(
6014 this: ModelHandle<Self>,
6015 envelope: TypedEnvelope<proto::UpdateProject>,
6016 _: Arc<Client>,
6017 mut cx: AsyncAppContext,
6018 ) -> Result<()> {
6019 this.update(&mut cx, |this, cx| {
6020 // Don't handle messages that were sent before the response to us joining the project
6021 if envelope.message_id > this.join_project_response_message_id {
6022 this.set_worktrees_from_proto(envelope.payload.worktrees, cx)?;
6023 }
6024 Ok(())
6025 })
6026 }
6027
6028 async fn handle_update_worktree(
6029 this: ModelHandle<Self>,
6030 envelope: TypedEnvelope<proto::UpdateWorktree>,
6031 _: Arc<Client>,
6032 mut cx: AsyncAppContext,
6033 ) -> Result<()> {
6034 this.update(&mut cx, |this, cx| {
6035 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
6036 if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
6037 worktree.update(cx, |worktree, _| {
6038 let worktree = worktree.as_remote_mut().unwrap();
6039 worktree.update_from_remote(envelope.payload);
6040 });
6041 }
6042 Ok(())
6043 })
6044 }
6045
6046 async fn handle_update_worktree_settings(
6047 this: ModelHandle<Self>,
6048 envelope: TypedEnvelope<proto::UpdateWorktreeSettings>,
6049 _: Arc<Client>,
6050 mut cx: AsyncAppContext,
6051 ) -> Result<()> {
6052 this.update(&mut cx, |this, cx| {
6053 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
6054 if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
6055 cx.update_global::<SettingsStore, _, _>(|store, cx| {
6056 store
6057 .set_local_settings(
6058 worktree.id(),
6059 PathBuf::from(&envelope.payload.path).into(),
6060 envelope.payload.content.as_ref().map(String::as_str),
6061 cx,
6062 )
6063 .log_err();
6064 });
6065 }
6066 Ok(())
6067 })
6068 }
6069
6070 async fn handle_create_project_entry(
6071 this: ModelHandle<Self>,
6072 envelope: TypedEnvelope<proto::CreateProjectEntry>,
6073 _: Arc<Client>,
6074 mut cx: AsyncAppContext,
6075 ) -> Result<proto::ProjectEntryResponse> {
6076 let worktree = this.update(&mut cx, |this, cx| {
6077 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
6078 this.worktree_for_id(worktree_id, cx)
6079 .ok_or_else(|| anyhow!("worktree not found"))
6080 })?;
6081 let worktree_scan_id = worktree.read_with(&cx, |worktree, _| worktree.scan_id());
6082 let entry = worktree
6083 .update(&mut cx, |worktree, cx| {
6084 let worktree = worktree.as_local_mut().unwrap();
6085 let path = PathBuf::from(envelope.payload.path);
6086 worktree.create_entry(path, envelope.payload.is_directory, cx)
6087 })
6088 .await?;
6089 Ok(proto::ProjectEntryResponse {
6090 entry: Some((&entry).into()),
6091 worktree_scan_id: worktree_scan_id as u64,
6092 })
6093 }
6094
6095 async fn handle_rename_project_entry(
6096 this: ModelHandle<Self>,
6097 envelope: TypedEnvelope<proto::RenameProjectEntry>,
6098 _: Arc<Client>,
6099 mut cx: AsyncAppContext,
6100 ) -> Result<proto::ProjectEntryResponse> {
6101 let entry_id = ProjectEntryId::from_proto(envelope.payload.entry_id);
6102 let worktree = this.read_with(&cx, |this, cx| {
6103 this.worktree_for_entry(entry_id, cx)
6104 .ok_or_else(|| anyhow!("worktree not found"))
6105 })?;
6106 let worktree_scan_id = worktree.read_with(&cx, |worktree, _| worktree.scan_id());
6107 let entry = worktree
6108 .update(&mut cx, |worktree, cx| {
6109 let new_path = PathBuf::from(envelope.payload.new_path);
6110 worktree
6111 .as_local_mut()
6112 .unwrap()
6113 .rename_entry(entry_id, new_path, cx)
6114 .ok_or_else(|| anyhow!("invalid entry"))
6115 })?
6116 .await?;
6117 Ok(proto::ProjectEntryResponse {
6118 entry: Some((&entry).into()),
6119 worktree_scan_id: worktree_scan_id as u64,
6120 })
6121 }
6122
6123 async fn handle_copy_project_entry(
6124 this: ModelHandle<Self>,
6125 envelope: TypedEnvelope<proto::CopyProjectEntry>,
6126 _: Arc<Client>,
6127 mut cx: AsyncAppContext,
6128 ) -> Result<proto::ProjectEntryResponse> {
6129 let entry_id = ProjectEntryId::from_proto(envelope.payload.entry_id);
6130 let worktree = this.read_with(&cx, |this, cx| {
6131 this.worktree_for_entry(entry_id, cx)
6132 .ok_or_else(|| anyhow!("worktree not found"))
6133 })?;
6134 let worktree_scan_id = worktree.read_with(&cx, |worktree, _| worktree.scan_id());
6135 let entry = worktree
6136 .update(&mut cx, |worktree, cx| {
6137 let new_path = PathBuf::from(envelope.payload.new_path);
6138 worktree
6139 .as_local_mut()
6140 .unwrap()
6141 .copy_entry(entry_id, new_path, cx)
6142 .ok_or_else(|| anyhow!("invalid entry"))
6143 })?
6144 .await?;
6145 Ok(proto::ProjectEntryResponse {
6146 entry: Some((&entry).into()),
6147 worktree_scan_id: worktree_scan_id as u64,
6148 })
6149 }
6150
6151 async fn handle_delete_project_entry(
6152 this: ModelHandle<Self>,
6153 envelope: TypedEnvelope<proto::DeleteProjectEntry>,
6154 _: Arc<Client>,
6155 mut cx: AsyncAppContext,
6156 ) -> Result<proto::ProjectEntryResponse> {
6157 let entry_id = ProjectEntryId::from_proto(envelope.payload.entry_id);
6158
6159 this.update(&mut cx, |_, cx| cx.emit(Event::DeletedEntry(entry_id)));
6160
6161 let worktree = this.read_with(&cx, |this, cx| {
6162 this.worktree_for_entry(entry_id, cx)
6163 .ok_or_else(|| anyhow!("worktree not found"))
6164 })?;
6165 let worktree_scan_id = worktree.read_with(&cx, |worktree, _| worktree.scan_id());
6166 worktree
6167 .update(&mut cx, |worktree, cx| {
6168 worktree
6169 .as_local_mut()
6170 .unwrap()
6171 .delete_entry(entry_id, cx)
6172 .ok_or_else(|| anyhow!("invalid entry"))
6173 })?
6174 .await?;
6175 Ok(proto::ProjectEntryResponse {
6176 entry: None,
6177 worktree_scan_id: worktree_scan_id as u64,
6178 })
6179 }
6180
6181 async fn handle_expand_project_entry(
6182 this: ModelHandle<Self>,
6183 envelope: TypedEnvelope<proto::ExpandProjectEntry>,
6184 _: Arc<Client>,
6185 mut cx: AsyncAppContext,
6186 ) -> Result<proto::ExpandProjectEntryResponse> {
6187 let entry_id = ProjectEntryId::from_proto(envelope.payload.entry_id);
6188 let worktree = this
6189 .read_with(&cx, |this, cx| this.worktree_for_entry(entry_id, cx))
6190 .ok_or_else(|| anyhow!("invalid request"))?;
6191 worktree
6192 .update(&mut cx, |worktree, cx| {
6193 worktree
6194 .as_local_mut()
6195 .unwrap()
6196 .expand_entry(entry_id, cx)
6197 .ok_or_else(|| anyhow!("invalid entry"))
6198 })?
6199 .await?;
6200 let worktree_scan_id = worktree.read_with(&cx, |worktree, _| worktree.scan_id()) as u64;
6201 Ok(proto::ExpandProjectEntryResponse { worktree_scan_id })
6202 }
6203
6204 async fn handle_update_diagnostic_summary(
6205 this: ModelHandle<Self>,
6206 envelope: TypedEnvelope<proto::UpdateDiagnosticSummary>,
6207 _: Arc<Client>,
6208 mut cx: AsyncAppContext,
6209 ) -> Result<()> {
6210 this.update(&mut cx, |this, cx| {
6211 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
6212 if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
6213 if let Some(summary) = envelope.payload.summary {
6214 let project_path = ProjectPath {
6215 worktree_id,
6216 path: Path::new(&summary.path).into(),
6217 };
6218 worktree.update(cx, |worktree, _| {
6219 worktree
6220 .as_remote_mut()
6221 .unwrap()
6222 .update_diagnostic_summary(project_path.path.clone(), &summary);
6223 });
6224 cx.emit(Event::DiagnosticsUpdated {
6225 language_server_id: LanguageServerId(summary.language_server_id as usize),
6226 path: project_path,
6227 });
6228 }
6229 }
6230 Ok(())
6231 })
6232 }
6233
6234 async fn handle_start_language_server(
6235 this: ModelHandle<Self>,
6236 envelope: TypedEnvelope<proto::StartLanguageServer>,
6237 _: Arc<Client>,
6238 mut cx: AsyncAppContext,
6239 ) -> Result<()> {
6240 let server = envelope
6241 .payload
6242 .server
6243 .ok_or_else(|| anyhow!("invalid server"))?;
6244 this.update(&mut cx, |this, cx| {
6245 this.language_server_statuses.insert(
6246 LanguageServerId(server.id as usize),
6247 LanguageServerStatus {
6248 name: server.name,
6249 pending_work: Default::default(),
6250 has_pending_diagnostic_updates: false,
6251 progress_tokens: Default::default(),
6252 },
6253 );
6254 cx.notify();
6255 });
6256 Ok(())
6257 }
6258
6259 async fn handle_update_language_server(
6260 this: ModelHandle<Self>,
6261 envelope: TypedEnvelope<proto::UpdateLanguageServer>,
6262 _: Arc<Client>,
6263 mut cx: AsyncAppContext,
6264 ) -> Result<()> {
6265 this.update(&mut cx, |this, cx| {
6266 let language_server_id = LanguageServerId(envelope.payload.language_server_id as usize);
6267
6268 match envelope
6269 .payload
6270 .variant
6271 .ok_or_else(|| anyhow!("invalid variant"))?
6272 {
6273 proto::update_language_server::Variant::WorkStart(payload) => {
6274 this.on_lsp_work_start(
6275 language_server_id,
6276 payload.token,
6277 LanguageServerProgress {
6278 message: payload.message,
6279 percentage: payload.percentage.map(|p| p as usize),
6280 last_update_at: Instant::now(),
6281 },
6282 cx,
6283 );
6284 }
6285
6286 proto::update_language_server::Variant::WorkProgress(payload) => {
6287 this.on_lsp_work_progress(
6288 language_server_id,
6289 payload.token,
6290 LanguageServerProgress {
6291 message: payload.message,
6292 percentage: payload.percentage.map(|p| p as usize),
6293 last_update_at: Instant::now(),
6294 },
6295 cx,
6296 );
6297 }
6298
6299 proto::update_language_server::Variant::WorkEnd(payload) => {
6300 this.on_lsp_work_end(language_server_id, payload.token, cx);
6301 }
6302
6303 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdating(_) => {
6304 this.disk_based_diagnostics_started(language_server_id, cx);
6305 }
6306
6307 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(_) => {
6308 this.disk_based_diagnostics_finished(language_server_id, cx)
6309 }
6310 }
6311
6312 Ok(())
6313 })
6314 }
6315
6316 async fn handle_update_buffer(
6317 this: ModelHandle<Self>,
6318 envelope: TypedEnvelope<proto::UpdateBuffer>,
6319 _: Arc<Client>,
6320 mut cx: AsyncAppContext,
6321 ) -> Result<proto::Ack> {
6322 this.update(&mut cx, |this, cx| {
6323 let payload = envelope.payload.clone();
6324 let buffer_id = payload.buffer_id;
6325 let ops = payload
6326 .operations
6327 .into_iter()
6328 .map(language::proto::deserialize_operation)
6329 .collect::<Result<Vec<_>, _>>()?;
6330 let is_remote = this.is_remote();
6331 match this.opened_buffers.entry(buffer_id) {
6332 hash_map::Entry::Occupied(mut e) => match e.get_mut() {
6333 OpenBuffer::Strong(buffer) => {
6334 buffer.update(cx, |buffer, cx| buffer.apply_ops(ops, cx))?;
6335 }
6336 OpenBuffer::Operations(operations) => operations.extend_from_slice(&ops),
6337 OpenBuffer::Weak(_) => {}
6338 },
6339 hash_map::Entry::Vacant(e) => {
6340 assert!(
6341 is_remote,
6342 "received buffer update from {:?}",
6343 envelope.original_sender_id
6344 );
6345 e.insert(OpenBuffer::Operations(ops));
6346 }
6347 }
6348 Ok(proto::Ack {})
6349 })
6350 }
6351
6352 async fn handle_create_buffer_for_peer(
6353 this: ModelHandle<Self>,
6354 envelope: TypedEnvelope<proto::CreateBufferForPeer>,
6355 _: Arc<Client>,
6356 mut cx: AsyncAppContext,
6357 ) -> Result<()> {
6358 this.update(&mut cx, |this, cx| {
6359 match envelope
6360 .payload
6361 .variant
6362 .ok_or_else(|| anyhow!("missing variant"))?
6363 {
6364 proto::create_buffer_for_peer::Variant::State(mut state) => {
6365 let mut buffer_file = None;
6366 if let Some(file) = state.file.take() {
6367 let worktree_id = WorktreeId::from_proto(file.worktree_id);
6368 let worktree = this.worktree_for_id(worktree_id, cx).ok_or_else(|| {
6369 anyhow!("no worktree found for id {}", file.worktree_id)
6370 })?;
6371 buffer_file = Some(Arc::new(File::from_proto(file, worktree.clone(), cx)?)
6372 as Arc<dyn language::File>);
6373 }
6374
6375 let buffer_id = state.id;
6376 let buffer = cx.add_model(|_| {
6377 Buffer::from_proto(this.replica_id(), state, buffer_file).unwrap()
6378 });
6379 this.incomplete_remote_buffers
6380 .insert(buffer_id, Some(buffer));
6381 }
6382 proto::create_buffer_for_peer::Variant::Chunk(chunk) => {
6383 let buffer = this
6384 .incomplete_remote_buffers
6385 .get(&chunk.buffer_id)
6386 .cloned()
6387 .flatten()
6388 .ok_or_else(|| {
6389 anyhow!(
6390 "received chunk for buffer {} without initial state",
6391 chunk.buffer_id
6392 )
6393 })?;
6394 let operations = chunk
6395 .operations
6396 .into_iter()
6397 .map(language::proto::deserialize_operation)
6398 .collect::<Result<Vec<_>>>()?;
6399 buffer.update(cx, |buffer, cx| buffer.apply_ops(operations, cx))?;
6400
6401 if chunk.is_last {
6402 this.incomplete_remote_buffers.remove(&chunk.buffer_id);
6403 this.register_buffer(&buffer, cx)?;
6404 }
6405 }
6406 }
6407
6408 Ok(())
6409 })
6410 }
6411
6412 async fn handle_update_diff_base(
6413 this: ModelHandle<Self>,
6414 envelope: TypedEnvelope<proto::UpdateDiffBase>,
6415 _: Arc<Client>,
6416 mut cx: AsyncAppContext,
6417 ) -> Result<()> {
6418 this.update(&mut cx, |this, cx| {
6419 let buffer_id = envelope.payload.buffer_id;
6420 let diff_base = envelope.payload.diff_base;
6421 if let Some(buffer) = this
6422 .opened_buffers
6423 .get_mut(&buffer_id)
6424 .and_then(|b| b.upgrade(cx))
6425 .or_else(|| {
6426 this.incomplete_remote_buffers
6427 .get(&buffer_id)
6428 .cloned()
6429 .flatten()
6430 })
6431 {
6432 buffer.update(cx, |buffer, cx| buffer.set_diff_base(diff_base, cx));
6433 }
6434 Ok(())
6435 })
6436 }
6437
6438 async fn handle_update_buffer_file(
6439 this: ModelHandle<Self>,
6440 envelope: TypedEnvelope<proto::UpdateBufferFile>,
6441 _: Arc<Client>,
6442 mut cx: AsyncAppContext,
6443 ) -> Result<()> {
6444 let buffer_id = envelope.payload.buffer_id;
6445
6446 this.update(&mut cx, |this, cx| {
6447 let payload = envelope.payload.clone();
6448 if let Some(buffer) = this
6449 .opened_buffers
6450 .get(&buffer_id)
6451 .and_then(|b| b.upgrade(cx))
6452 .or_else(|| {
6453 this.incomplete_remote_buffers
6454 .get(&buffer_id)
6455 .cloned()
6456 .flatten()
6457 })
6458 {
6459 let file = payload.file.ok_or_else(|| anyhow!("invalid file"))?;
6460 let worktree = this
6461 .worktree_for_id(WorktreeId::from_proto(file.worktree_id), cx)
6462 .ok_or_else(|| anyhow!("no such worktree"))?;
6463 let file = File::from_proto(file, worktree, cx)?;
6464 buffer.update(cx, |buffer, cx| {
6465 buffer.file_updated(Arc::new(file), cx).detach();
6466 });
6467 this.detect_language_for_buffer(&buffer, cx);
6468 }
6469 Ok(())
6470 })
6471 }
6472
6473 async fn handle_save_buffer(
6474 this: ModelHandle<Self>,
6475 envelope: TypedEnvelope<proto::SaveBuffer>,
6476 _: Arc<Client>,
6477 mut cx: AsyncAppContext,
6478 ) -> Result<proto::BufferSaved> {
6479 let buffer_id = envelope.payload.buffer_id;
6480 let (project_id, buffer) = this.update(&mut cx, |this, cx| {
6481 let project_id = this.remote_id().ok_or_else(|| anyhow!("not connected"))?;
6482 let buffer = this
6483 .opened_buffers
6484 .get(&buffer_id)
6485 .and_then(|buffer| buffer.upgrade(cx))
6486 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))?;
6487 anyhow::Ok((project_id, buffer))
6488 })?;
6489 buffer
6490 .update(&mut cx, |buffer, _| {
6491 buffer.wait_for_version(deserialize_version(&envelope.payload.version))
6492 })
6493 .await?;
6494 let buffer_id = buffer.read_with(&cx, |buffer, _| buffer.remote_id());
6495
6496 this.update(&mut cx, |this, cx| this.save_buffer(buffer.clone(), cx))
6497 .await?;
6498 Ok(buffer.read_with(&cx, |buffer, _| proto::BufferSaved {
6499 project_id,
6500 buffer_id,
6501 version: serialize_version(buffer.saved_version()),
6502 mtime: Some(buffer.saved_mtime().into()),
6503 fingerprint: language::proto::serialize_fingerprint(buffer.saved_version_fingerprint()),
6504 }))
6505 }
6506
6507 async fn handle_reload_buffers(
6508 this: ModelHandle<Self>,
6509 envelope: TypedEnvelope<proto::ReloadBuffers>,
6510 _: Arc<Client>,
6511 mut cx: AsyncAppContext,
6512 ) -> Result<proto::ReloadBuffersResponse> {
6513 let sender_id = envelope.original_sender_id()?;
6514 let reload = this.update(&mut cx, |this, cx| {
6515 let mut buffers = HashSet::default();
6516 for buffer_id in &envelope.payload.buffer_ids {
6517 buffers.insert(
6518 this.opened_buffers
6519 .get(buffer_id)
6520 .and_then(|buffer| buffer.upgrade(cx))
6521 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))?,
6522 );
6523 }
6524 Ok::<_, anyhow::Error>(this.reload_buffers(buffers, false, cx))
6525 })?;
6526
6527 let project_transaction = reload.await?;
6528 let project_transaction = this.update(&mut cx, |this, cx| {
6529 this.serialize_project_transaction_for_peer(project_transaction, sender_id, cx)
6530 });
6531 Ok(proto::ReloadBuffersResponse {
6532 transaction: Some(project_transaction),
6533 })
6534 }
6535
6536 async fn handle_synchronize_buffers(
6537 this: ModelHandle<Self>,
6538 envelope: TypedEnvelope<proto::SynchronizeBuffers>,
6539 _: Arc<Client>,
6540 mut cx: AsyncAppContext,
6541 ) -> Result<proto::SynchronizeBuffersResponse> {
6542 let project_id = envelope.payload.project_id;
6543 let mut response = proto::SynchronizeBuffersResponse {
6544 buffers: Default::default(),
6545 };
6546
6547 this.update(&mut cx, |this, cx| {
6548 let Some(guest_id) = envelope.original_sender_id else {
6549 error!("missing original_sender_id on SynchronizeBuffers request");
6550 return;
6551 };
6552
6553 this.shared_buffers.entry(guest_id).or_default().clear();
6554 for buffer in envelope.payload.buffers {
6555 let buffer_id = buffer.id;
6556 let remote_version = language::proto::deserialize_version(&buffer.version);
6557 if let Some(buffer) = this.buffer_for_id(buffer_id, cx) {
6558 this.shared_buffers
6559 .entry(guest_id)
6560 .or_default()
6561 .insert(buffer_id);
6562
6563 let buffer = buffer.read(cx);
6564 response.buffers.push(proto::BufferVersion {
6565 id: buffer_id,
6566 version: language::proto::serialize_version(&buffer.version),
6567 });
6568
6569 let operations = buffer.serialize_ops(Some(remote_version), cx);
6570 let client = this.client.clone();
6571 if let Some(file) = buffer.file() {
6572 client
6573 .send(proto::UpdateBufferFile {
6574 project_id,
6575 buffer_id: buffer_id as u64,
6576 file: Some(file.to_proto()),
6577 })
6578 .log_err();
6579 }
6580
6581 client
6582 .send(proto::UpdateDiffBase {
6583 project_id,
6584 buffer_id: buffer_id as u64,
6585 diff_base: buffer.diff_base().map(Into::into),
6586 })
6587 .log_err();
6588
6589 client
6590 .send(proto::BufferReloaded {
6591 project_id,
6592 buffer_id,
6593 version: language::proto::serialize_version(buffer.saved_version()),
6594 mtime: Some(buffer.saved_mtime().into()),
6595 fingerprint: language::proto::serialize_fingerprint(
6596 buffer.saved_version_fingerprint(),
6597 ),
6598 line_ending: language::proto::serialize_line_ending(
6599 buffer.line_ending(),
6600 ) as i32,
6601 })
6602 .log_err();
6603
6604 cx.background()
6605 .spawn(
6606 async move {
6607 let operations = operations.await;
6608 for chunk in split_operations(operations) {
6609 client
6610 .request(proto::UpdateBuffer {
6611 project_id,
6612 buffer_id,
6613 operations: chunk,
6614 })
6615 .await?;
6616 }
6617 anyhow::Ok(())
6618 }
6619 .log_err(),
6620 )
6621 .detach();
6622 }
6623 }
6624 });
6625
6626 Ok(response)
6627 }
6628
6629 async fn handle_format_buffers(
6630 this: ModelHandle<Self>,
6631 envelope: TypedEnvelope<proto::FormatBuffers>,
6632 _: Arc<Client>,
6633 mut cx: AsyncAppContext,
6634 ) -> Result<proto::FormatBuffersResponse> {
6635 let sender_id = envelope.original_sender_id()?;
6636 let format = this.update(&mut cx, |this, cx| {
6637 let mut buffers = HashSet::default();
6638 for buffer_id in &envelope.payload.buffer_ids {
6639 buffers.insert(
6640 this.opened_buffers
6641 .get(buffer_id)
6642 .and_then(|buffer| buffer.upgrade(cx))
6643 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))?,
6644 );
6645 }
6646 let trigger = FormatTrigger::from_proto(envelope.payload.trigger);
6647 Ok::<_, anyhow::Error>(this.format(buffers, false, trigger, cx))
6648 })?;
6649
6650 let project_transaction = format.await?;
6651 let project_transaction = this.update(&mut cx, |this, cx| {
6652 this.serialize_project_transaction_for_peer(project_transaction, sender_id, cx)
6653 });
6654 Ok(proto::FormatBuffersResponse {
6655 transaction: Some(project_transaction),
6656 })
6657 }
6658
6659 async fn handle_apply_additional_edits_for_completion(
6660 this: ModelHandle<Self>,
6661 envelope: TypedEnvelope<proto::ApplyCompletionAdditionalEdits>,
6662 _: Arc<Client>,
6663 mut cx: AsyncAppContext,
6664 ) -> Result<proto::ApplyCompletionAdditionalEditsResponse> {
6665 let (buffer, completion) = this.update(&mut cx, |this, cx| {
6666 let buffer = this
6667 .opened_buffers
6668 .get(&envelope.payload.buffer_id)
6669 .and_then(|buffer| buffer.upgrade(cx))
6670 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
6671 let language = buffer.read(cx).language();
6672 let completion = language::proto::deserialize_completion(
6673 envelope
6674 .payload
6675 .completion
6676 .ok_or_else(|| anyhow!("invalid completion"))?,
6677 language.cloned(),
6678 );
6679 Ok::<_, anyhow::Error>((buffer, completion))
6680 })?;
6681
6682 let completion = completion.await?;
6683
6684 let apply_additional_edits = this.update(&mut cx, |this, cx| {
6685 this.apply_additional_edits_for_completion(buffer, completion, false, cx)
6686 });
6687
6688 Ok(proto::ApplyCompletionAdditionalEditsResponse {
6689 transaction: apply_additional_edits
6690 .await?
6691 .as_ref()
6692 .map(language::proto::serialize_transaction),
6693 })
6694 }
6695
6696 async fn handle_apply_code_action(
6697 this: ModelHandle<Self>,
6698 envelope: TypedEnvelope<proto::ApplyCodeAction>,
6699 _: Arc<Client>,
6700 mut cx: AsyncAppContext,
6701 ) -> Result<proto::ApplyCodeActionResponse> {
6702 let sender_id = envelope.original_sender_id()?;
6703 let action = language::proto::deserialize_code_action(
6704 envelope
6705 .payload
6706 .action
6707 .ok_or_else(|| anyhow!("invalid action"))?,
6708 )?;
6709 let apply_code_action = this.update(&mut cx, |this, cx| {
6710 let buffer = this
6711 .opened_buffers
6712 .get(&envelope.payload.buffer_id)
6713 .and_then(|buffer| buffer.upgrade(cx))
6714 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
6715 Ok::<_, anyhow::Error>(this.apply_code_action(buffer, action, false, cx))
6716 })?;
6717
6718 let project_transaction = apply_code_action.await?;
6719 let project_transaction = this.update(&mut cx, |this, cx| {
6720 this.serialize_project_transaction_for_peer(project_transaction, sender_id, cx)
6721 });
6722 Ok(proto::ApplyCodeActionResponse {
6723 transaction: Some(project_transaction),
6724 })
6725 }
6726
6727 async fn handle_on_type_formatting(
6728 this: ModelHandle<Self>,
6729 envelope: TypedEnvelope<proto::OnTypeFormatting>,
6730 _: Arc<Client>,
6731 mut cx: AsyncAppContext,
6732 ) -> Result<proto::OnTypeFormattingResponse> {
6733 let on_type_formatting = this.update(&mut cx, |this, cx| {
6734 let buffer = this
6735 .opened_buffers
6736 .get(&envelope.payload.buffer_id)
6737 .and_then(|buffer| buffer.upgrade(cx))
6738 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
6739 let position = envelope
6740 .payload
6741 .position
6742 .and_then(deserialize_anchor)
6743 .ok_or_else(|| anyhow!("invalid position"))?;
6744 Ok::<_, anyhow::Error>(this.apply_on_type_formatting(
6745 buffer,
6746 position,
6747 envelope.payload.trigger.clone(),
6748 cx,
6749 ))
6750 })?;
6751
6752 let transaction = on_type_formatting
6753 .await?
6754 .as_ref()
6755 .map(language::proto::serialize_transaction);
6756 Ok(proto::OnTypeFormattingResponse { transaction })
6757 }
6758
6759 async fn handle_inlay_hints(
6760 this: ModelHandle<Self>,
6761 envelope: TypedEnvelope<proto::InlayHints>,
6762 _: Arc<Client>,
6763 mut cx: AsyncAppContext,
6764 ) -> Result<proto::InlayHintsResponse> {
6765 let sender_id = envelope.original_sender_id()?;
6766 let buffer = this.update(&mut cx, |this, cx| {
6767 this.opened_buffers
6768 .get(&envelope.payload.buffer_id)
6769 .and_then(|buffer| buffer.upgrade(cx))
6770 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))
6771 })?;
6772 let buffer_version = deserialize_version(&envelope.payload.version);
6773
6774 buffer
6775 .update(&mut cx, |buffer, _| {
6776 buffer.wait_for_version(buffer_version.clone())
6777 })
6778 .await
6779 .with_context(|| {
6780 format!(
6781 "waiting for version {:?} for buffer {}",
6782 buffer_version,
6783 buffer.id()
6784 )
6785 })?;
6786
6787 let start = envelope
6788 .payload
6789 .start
6790 .and_then(deserialize_anchor)
6791 .context("missing range start")?;
6792 let end = envelope
6793 .payload
6794 .end
6795 .and_then(deserialize_anchor)
6796 .context("missing range end")?;
6797 let buffer_hints = this
6798 .update(&mut cx, |project, cx| {
6799 project.inlay_hints(buffer, start..end, cx)
6800 })
6801 .await
6802 .context("inlay hints fetch")?;
6803
6804 Ok(this.update(&mut cx, |project, cx| {
6805 InlayHints::response_to_proto(buffer_hints, project, sender_id, &buffer_version, cx)
6806 }))
6807 }
6808
6809 async fn handle_refresh_inlay_hints(
6810 this: ModelHandle<Self>,
6811 _: TypedEnvelope<proto::RefreshInlayHints>,
6812 _: Arc<Client>,
6813 mut cx: AsyncAppContext,
6814 ) -> Result<proto::Ack> {
6815 this.update(&mut cx, |_, cx| {
6816 cx.emit(Event::RefreshInlays);
6817 });
6818 Ok(proto::Ack {})
6819 }
6820
6821 async fn handle_lsp_command<T: LspCommand>(
6822 this: ModelHandle<Self>,
6823 envelope: TypedEnvelope<T::ProtoRequest>,
6824 _: Arc<Client>,
6825 mut cx: AsyncAppContext,
6826 ) -> Result<<T::ProtoRequest as proto::RequestMessage>::Response>
6827 where
6828 <T::LspRequest as lsp::request::Request>::Result: Send,
6829 {
6830 let sender_id = envelope.original_sender_id()?;
6831 let buffer_id = T::buffer_id_from_proto(&envelope.payload);
6832 let buffer_handle = this.read_with(&cx, |this, _| {
6833 this.opened_buffers
6834 .get(&buffer_id)
6835 .and_then(|buffer| buffer.upgrade(&cx))
6836 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))
6837 })?;
6838 let request = T::from_proto(
6839 envelope.payload,
6840 this.clone(),
6841 buffer_handle.clone(),
6842 cx.clone(),
6843 )
6844 .await?;
6845 let buffer_version = buffer_handle.read_with(&cx, |buffer, _| buffer.version());
6846 let response = this
6847 .update(&mut cx, |this, cx| {
6848 this.request_lsp(buffer_handle, request, cx)
6849 })
6850 .await?;
6851 this.update(&mut cx, |this, cx| {
6852 Ok(T::response_to_proto(
6853 response,
6854 this,
6855 sender_id,
6856 &buffer_version,
6857 cx,
6858 ))
6859 })
6860 }
6861
6862 async fn handle_get_project_symbols(
6863 this: ModelHandle<Self>,
6864 envelope: TypedEnvelope<proto::GetProjectSymbols>,
6865 _: Arc<Client>,
6866 mut cx: AsyncAppContext,
6867 ) -> Result<proto::GetProjectSymbolsResponse> {
6868 let symbols = this
6869 .update(&mut cx, |this, cx| {
6870 this.symbols(&envelope.payload.query, cx)
6871 })
6872 .await?;
6873
6874 Ok(proto::GetProjectSymbolsResponse {
6875 symbols: symbols.iter().map(serialize_symbol).collect(),
6876 })
6877 }
6878
6879 async fn handle_search_project(
6880 this: ModelHandle<Self>,
6881 envelope: TypedEnvelope<proto::SearchProject>,
6882 _: Arc<Client>,
6883 mut cx: AsyncAppContext,
6884 ) -> Result<proto::SearchProjectResponse> {
6885 let peer_id = envelope.original_sender_id()?;
6886 let query = SearchQuery::from_proto(envelope.payload)?;
6887 let result = this
6888 .update(&mut cx, |this, cx| this.search(query, cx))
6889 .await?;
6890
6891 this.update(&mut cx, |this, cx| {
6892 let mut locations = Vec::new();
6893 for (buffer, ranges) in result {
6894 for range in ranges {
6895 let start = serialize_anchor(&range.start);
6896 let end = serialize_anchor(&range.end);
6897 let buffer_id = this.create_buffer_for_peer(&buffer, peer_id, cx);
6898 locations.push(proto::Location {
6899 buffer_id,
6900 start: Some(start),
6901 end: Some(end),
6902 });
6903 }
6904 }
6905 Ok(proto::SearchProjectResponse { locations })
6906 })
6907 }
6908
6909 async fn handle_open_buffer_for_symbol(
6910 this: ModelHandle<Self>,
6911 envelope: TypedEnvelope<proto::OpenBufferForSymbol>,
6912 _: Arc<Client>,
6913 mut cx: AsyncAppContext,
6914 ) -> Result<proto::OpenBufferForSymbolResponse> {
6915 let peer_id = envelope.original_sender_id()?;
6916 let symbol = envelope
6917 .payload
6918 .symbol
6919 .ok_or_else(|| anyhow!("invalid symbol"))?;
6920 let symbol = this
6921 .read_with(&cx, |this, _| this.deserialize_symbol(symbol))
6922 .await?;
6923 let symbol = this.read_with(&cx, |this, _| {
6924 let signature = this.symbol_signature(&symbol.path);
6925 if signature == symbol.signature {
6926 Ok(symbol)
6927 } else {
6928 Err(anyhow!("invalid symbol signature"))
6929 }
6930 })?;
6931 let buffer = this
6932 .update(&mut cx, |this, cx| this.open_buffer_for_symbol(&symbol, cx))
6933 .await?;
6934
6935 Ok(proto::OpenBufferForSymbolResponse {
6936 buffer_id: this.update(&mut cx, |this, cx| {
6937 this.create_buffer_for_peer(&buffer, peer_id, cx)
6938 }),
6939 })
6940 }
6941
6942 fn symbol_signature(&self, project_path: &ProjectPath) -> [u8; 32] {
6943 let mut hasher = Sha256::new();
6944 hasher.update(project_path.worktree_id.to_proto().to_be_bytes());
6945 hasher.update(project_path.path.to_string_lossy().as_bytes());
6946 hasher.update(self.nonce.to_be_bytes());
6947 hasher.finalize().as_slice().try_into().unwrap()
6948 }
6949
6950 async fn handle_open_buffer_by_id(
6951 this: ModelHandle<Self>,
6952 envelope: TypedEnvelope<proto::OpenBufferById>,
6953 _: Arc<Client>,
6954 mut cx: AsyncAppContext,
6955 ) -> Result<proto::OpenBufferResponse> {
6956 let peer_id = envelope.original_sender_id()?;
6957 let buffer = this
6958 .update(&mut cx, |this, cx| {
6959 this.open_buffer_by_id(envelope.payload.id, cx)
6960 })
6961 .await?;
6962 this.update(&mut cx, |this, cx| {
6963 Ok(proto::OpenBufferResponse {
6964 buffer_id: this.create_buffer_for_peer(&buffer, peer_id, cx),
6965 })
6966 })
6967 }
6968
6969 async fn handle_open_buffer_by_path(
6970 this: ModelHandle<Self>,
6971 envelope: TypedEnvelope<proto::OpenBufferByPath>,
6972 _: Arc<Client>,
6973 mut cx: AsyncAppContext,
6974 ) -> Result<proto::OpenBufferResponse> {
6975 let peer_id = envelope.original_sender_id()?;
6976 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
6977 let open_buffer = this.update(&mut cx, |this, cx| {
6978 this.open_buffer(
6979 ProjectPath {
6980 worktree_id,
6981 path: PathBuf::from(envelope.payload.path).into(),
6982 },
6983 cx,
6984 )
6985 });
6986
6987 let buffer = open_buffer.await?;
6988 this.update(&mut cx, |this, cx| {
6989 Ok(proto::OpenBufferResponse {
6990 buffer_id: this.create_buffer_for_peer(&buffer, peer_id, cx),
6991 })
6992 })
6993 }
6994
6995 fn serialize_project_transaction_for_peer(
6996 &mut self,
6997 project_transaction: ProjectTransaction,
6998 peer_id: proto::PeerId,
6999 cx: &mut AppContext,
7000 ) -> proto::ProjectTransaction {
7001 let mut serialized_transaction = proto::ProjectTransaction {
7002 buffer_ids: Default::default(),
7003 transactions: Default::default(),
7004 };
7005 for (buffer, transaction) in project_transaction.0 {
7006 serialized_transaction
7007 .buffer_ids
7008 .push(self.create_buffer_for_peer(&buffer, peer_id, cx));
7009 serialized_transaction
7010 .transactions
7011 .push(language::proto::serialize_transaction(&transaction));
7012 }
7013 serialized_transaction
7014 }
7015
7016 fn deserialize_project_transaction(
7017 &mut self,
7018 message: proto::ProjectTransaction,
7019 push_to_history: bool,
7020 cx: &mut ModelContext<Self>,
7021 ) -> Task<Result<ProjectTransaction>> {
7022 cx.spawn(|this, mut cx| async move {
7023 let mut project_transaction = ProjectTransaction::default();
7024 for (buffer_id, transaction) in message.buffer_ids.into_iter().zip(message.transactions)
7025 {
7026 let buffer = this
7027 .update(&mut cx, |this, cx| {
7028 this.wait_for_remote_buffer(buffer_id, cx)
7029 })
7030 .await?;
7031 let transaction = language::proto::deserialize_transaction(transaction)?;
7032 project_transaction.0.insert(buffer, transaction);
7033 }
7034
7035 for (buffer, transaction) in &project_transaction.0 {
7036 buffer
7037 .update(&mut cx, |buffer, _| {
7038 buffer.wait_for_edits(transaction.edit_ids.iter().copied())
7039 })
7040 .await?;
7041
7042 if push_to_history {
7043 buffer.update(&mut cx, |buffer, _| {
7044 buffer.push_transaction(transaction.clone(), Instant::now());
7045 });
7046 }
7047 }
7048
7049 Ok(project_transaction)
7050 })
7051 }
7052
7053 fn create_buffer_for_peer(
7054 &mut self,
7055 buffer: &ModelHandle<Buffer>,
7056 peer_id: proto::PeerId,
7057 cx: &mut AppContext,
7058 ) -> u64 {
7059 let buffer_id = buffer.read(cx).remote_id();
7060 if let Some(ProjectClientState::Local { updates_tx, .. }) = &self.client_state {
7061 updates_tx
7062 .unbounded_send(LocalProjectUpdate::CreateBufferForPeer { peer_id, buffer_id })
7063 .ok();
7064 }
7065 buffer_id
7066 }
7067
7068 fn wait_for_remote_buffer(
7069 &mut self,
7070 id: u64,
7071 cx: &mut ModelContext<Self>,
7072 ) -> Task<Result<ModelHandle<Buffer>>> {
7073 let mut opened_buffer_rx = self.opened_buffer.1.clone();
7074
7075 cx.spawn_weak(|this, mut cx| async move {
7076 let buffer = loop {
7077 let Some(this) = this.upgrade(&cx) else {
7078 return Err(anyhow!("project dropped"));
7079 };
7080
7081 let buffer = this.read_with(&cx, |this, cx| {
7082 this.opened_buffers
7083 .get(&id)
7084 .and_then(|buffer| buffer.upgrade(cx))
7085 });
7086
7087 if let Some(buffer) = buffer {
7088 break buffer;
7089 } else if this.read_with(&cx, |this, _| this.is_read_only()) {
7090 return Err(anyhow!("disconnected before buffer {} could be opened", id));
7091 }
7092
7093 this.update(&mut cx, |this, _| {
7094 this.incomplete_remote_buffers.entry(id).or_default();
7095 });
7096 drop(this);
7097
7098 opened_buffer_rx
7099 .next()
7100 .await
7101 .ok_or_else(|| anyhow!("project dropped while waiting for buffer"))?;
7102 };
7103
7104 Ok(buffer)
7105 })
7106 }
7107
7108 fn synchronize_remote_buffers(&mut self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
7109 let project_id = match self.client_state.as_ref() {
7110 Some(ProjectClientState::Remote {
7111 sharing_has_stopped,
7112 remote_id,
7113 ..
7114 }) => {
7115 if *sharing_has_stopped {
7116 return Task::ready(Err(anyhow!(
7117 "can't synchronize remote buffers on a readonly project"
7118 )));
7119 } else {
7120 *remote_id
7121 }
7122 }
7123 Some(ProjectClientState::Local { .. }) | None => {
7124 return Task::ready(Err(anyhow!(
7125 "can't synchronize remote buffers on a local project"
7126 )))
7127 }
7128 };
7129
7130 let client = self.client.clone();
7131 cx.spawn(|this, cx| async move {
7132 let (buffers, incomplete_buffer_ids) = this.read_with(&cx, |this, cx| {
7133 let buffers = this
7134 .opened_buffers
7135 .iter()
7136 .filter_map(|(id, buffer)| {
7137 let buffer = buffer.upgrade(cx)?;
7138 Some(proto::BufferVersion {
7139 id: *id,
7140 version: language::proto::serialize_version(&buffer.read(cx).version),
7141 })
7142 })
7143 .collect();
7144 let incomplete_buffer_ids = this
7145 .incomplete_remote_buffers
7146 .keys()
7147 .copied()
7148 .collect::<Vec<_>>();
7149
7150 (buffers, incomplete_buffer_ids)
7151 });
7152 let response = client
7153 .request(proto::SynchronizeBuffers {
7154 project_id,
7155 buffers,
7156 })
7157 .await?;
7158
7159 let send_updates_for_buffers = response.buffers.into_iter().map(|buffer| {
7160 let client = client.clone();
7161 let buffer_id = buffer.id;
7162 let remote_version = language::proto::deserialize_version(&buffer.version);
7163 this.read_with(&cx, |this, cx| {
7164 if let Some(buffer) = this.buffer_for_id(buffer_id, cx) {
7165 let operations = buffer.read(cx).serialize_ops(Some(remote_version), cx);
7166 cx.background().spawn(async move {
7167 let operations = operations.await;
7168 for chunk in split_operations(operations) {
7169 client
7170 .request(proto::UpdateBuffer {
7171 project_id,
7172 buffer_id,
7173 operations: chunk,
7174 })
7175 .await?;
7176 }
7177 anyhow::Ok(())
7178 })
7179 } else {
7180 Task::ready(Ok(()))
7181 }
7182 })
7183 });
7184
7185 // Any incomplete buffers have open requests waiting. Request that the host sends
7186 // creates these buffers for us again to unblock any waiting futures.
7187 for id in incomplete_buffer_ids {
7188 cx.background()
7189 .spawn(client.request(proto::OpenBufferById { project_id, id }))
7190 .detach();
7191 }
7192
7193 futures::future::join_all(send_updates_for_buffers)
7194 .await
7195 .into_iter()
7196 .collect()
7197 })
7198 }
7199
7200 pub fn worktree_metadata_protos(&self, cx: &AppContext) -> Vec<proto::WorktreeMetadata> {
7201 self.worktrees(cx)
7202 .map(|worktree| {
7203 let worktree = worktree.read(cx);
7204 proto::WorktreeMetadata {
7205 id: worktree.id().to_proto(),
7206 root_name: worktree.root_name().into(),
7207 visible: worktree.is_visible(),
7208 abs_path: worktree.abs_path().to_string_lossy().into(),
7209 }
7210 })
7211 .collect()
7212 }
7213
7214 fn set_worktrees_from_proto(
7215 &mut self,
7216 worktrees: Vec<proto::WorktreeMetadata>,
7217 cx: &mut ModelContext<Project>,
7218 ) -> Result<()> {
7219 let replica_id = self.replica_id();
7220 let remote_id = self.remote_id().ok_or_else(|| anyhow!("invalid project"))?;
7221
7222 let mut old_worktrees_by_id = self
7223 .worktrees
7224 .drain(..)
7225 .filter_map(|worktree| {
7226 let worktree = worktree.upgrade(cx)?;
7227 Some((worktree.read(cx).id(), worktree))
7228 })
7229 .collect::<HashMap<_, _>>();
7230
7231 for worktree in worktrees {
7232 if let Some(old_worktree) =
7233 old_worktrees_by_id.remove(&WorktreeId::from_proto(worktree.id))
7234 {
7235 self.worktrees.push(WorktreeHandle::Strong(old_worktree));
7236 } else {
7237 let worktree =
7238 Worktree::remote(remote_id, replica_id, worktree, self.client.clone(), cx);
7239 let _ = self.add_worktree(&worktree, cx);
7240 }
7241 }
7242
7243 self.metadata_changed(cx);
7244 for id in old_worktrees_by_id.keys() {
7245 cx.emit(Event::WorktreeRemoved(*id));
7246 }
7247
7248 Ok(())
7249 }
7250
7251 fn set_collaborators_from_proto(
7252 &mut self,
7253 messages: Vec<proto::Collaborator>,
7254 cx: &mut ModelContext<Self>,
7255 ) -> Result<()> {
7256 let mut collaborators = HashMap::default();
7257 for message in messages {
7258 let collaborator = Collaborator::from_proto(message)?;
7259 collaborators.insert(collaborator.peer_id, collaborator);
7260 }
7261 for old_peer_id in self.collaborators.keys() {
7262 if !collaborators.contains_key(old_peer_id) {
7263 cx.emit(Event::CollaboratorLeft(*old_peer_id));
7264 }
7265 }
7266 self.collaborators = collaborators;
7267 Ok(())
7268 }
7269
7270 fn deserialize_symbol(
7271 &self,
7272 serialized_symbol: proto::Symbol,
7273 ) -> impl Future<Output = Result<Symbol>> {
7274 let languages = self.languages.clone();
7275 async move {
7276 let source_worktree_id = WorktreeId::from_proto(serialized_symbol.source_worktree_id);
7277 let worktree_id = WorktreeId::from_proto(serialized_symbol.worktree_id);
7278 let start = serialized_symbol
7279 .start
7280 .ok_or_else(|| anyhow!("invalid start"))?;
7281 let end = serialized_symbol
7282 .end
7283 .ok_or_else(|| anyhow!("invalid end"))?;
7284 let kind = unsafe { mem::transmute(serialized_symbol.kind) };
7285 let path = ProjectPath {
7286 worktree_id,
7287 path: PathBuf::from(serialized_symbol.path).into(),
7288 };
7289 let language = languages
7290 .language_for_file(&path.path, None)
7291 .await
7292 .log_err();
7293 Ok(Symbol {
7294 language_server_name: LanguageServerName(
7295 serialized_symbol.language_server_name.into(),
7296 ),
7297 source_worktree_id,
7298 path,
7299 label: {
7300 match language {
7301 Some(language) => {
7302 language
7303 .label_for_symbol(&serialized_symbol.name, kind)
7304 .await
7305 }
7306 None => None,
7307 }
7308 .unwrap_or_else(|| CodeLabel::plain(serialized_symbol.name.clone(), None))
7309 },
7310
7311 name: serialized_symbol.name,
7312 range: Unclipped(PointUtf16::new(start.row, start.column))
7313 ..Unclipped(PointUtf16::new(end.row, end.column)),
7314 kind,
7315 signature: serialized_symbol
7316 .signature
7317 .try_into()
7318 .map_err(|_| anyhow!("invalid signature"))?,
7319 })
7320 }
7321 }
7322
7323 async fn handle_buffer_saved(
7324 this: ModelHandle<Self>,
7325 envelope: TypedEnvelope<proto::BufferSaved>,
7326 _: Arc<Client>,
7327 mut cx: AsyncAppContext,
7328 ) -> Result<()> {
7329 let fingerprint = deserialize_fingerprint(&envelope.payload.fingerprint)?;
7330 let version = deserialize_version(&envelope.payload.version);
7331 let mtime = envelope
7332 .payload
7333 .mtime
7334 .ok_or_else(|| anyhow!("missing mtime"))?
7335 .into();
7336
7337 this.update(&mut cx, |this, cx| {
7338 let buffer = this
7339 .opened_buffers
7340 .get(&envelope.payload.buffer_id)
7341 .and_then(|buffer| buffer.upgrade(cx))
7342 .or_else(|| {
7343 this.incomplete_remote_buffers
7344 .get(&envelope.payload.buffer_id)
7345 .and_then(|b| b.clone())
7346 });
7347 if let Some(buffer) = buffer {
7348 buffer.update(cx, |buffer, cx| {
7349 buffer.did_save(version, fingerprint, mtime, cx);
7350 });
7351 }
7352 Ok(())
7353 })
7354 }
7355
7356 async fn handle_buffer_reloaded(
7357 this: ModelHandle<Self>,
7358 envelope: TypedEnvelope<proto::BufferReloaded>,
7359 _: Arc<Client>,
7360 mut cx: AsyncAppContext,
7361 ) -> Result<()> {
7362 let payload = envelope.payload;
7363 let version = deserialize_version(&payload.version);
7364 let fingerprint = deserialize_fingerprint(&payload.fingerprint)?;
7365 let line_ending = deserialize_line_ending(
7366 proto::LineEnding::from_i32(payload.line_ending)
7367 .ok_or_else(|| anyhow!("missing line ending"))?,
7368 );
7369 let mtime = payload
7370 .mtime
7371 .ok_or_else(|| anyhow!("missing mtime"))?
7372 .into();
7373 this.update(&mut cx, |this, cx| {
7374 let buffer = this
7375 .opened_buffers
7376 .get(&payload.buffer_id)
7377 .and_then(|buffer| buffer.upgrade(cx))
7378 .or_else(|| {
7379 this.incomplete_remote_buffers
7380 .get(&payload.buffer_id)
7381 .cloned()
7382 .flatten()
7383 });
7384 if let Some(buffer) = buffer {
7385 buffer.update(cx, |buffer, cx| {
7386 buffer.did_reload(version, fingerprint, line_ending, mtime, cx);
7387 });
7388 }
7389 Ok(())
7390 })
7391 }
7392
7393 #[allow(clippy::type_complexity)]
7394 fn edits_from_lsp(
7395 &mut self,
7396 buffer: &ModelHandle<Buffer>,
7397 lsp_edits: impl 'static + Send + IntoIterator<Item = lsp::TextEdit>,
7398 server_id: LanguageServerId,
7399 version: Option<i32>,
7400 cx: &mut ModelContext<Self>,
7401 ) -> Task<Result<Vec<(Range<Anchor>, String)>>> {
7402 let snapshot = self.buffer_snapshot_for_lsp_version(buffer, server_id, version, cx);
7403 cx.background().spawn(async move {
7404 let snapshot = snapshot?;
7405 let mut lsp_edits = lsp_edits
7406 .into_iter()
7407 .map(|edit| (range_from_lsp(edit.range), edit.new_text))
7408 .collect::<Vec<_>>();
7409 lsp_edits.sort_by_key(|(range, _)| range.start);
7410
7411 let mut lsp_edits = lsp_edits.into_iter().peekable();
7412 let mut edits = Vec::new();
7413 while let Some((range, mut new_text)) = lsp_edits.next() {
7414 // Clip invalid ranges provided by the language server.
7415 let mut range = snapshot.clip_point_utf16(range.start, Bias::Left)
7416 ..snapshot.clip_point_utf16(range.end, Bias::Left);
7417
7418 // Combine any LSP edits that are adjacent.
7419 //
7420 // Also, combine LSP edits that are separated from each other by only
7421 // a newline. This is important because for some code actions,
7422 // Rust-analyzer rewrites the entire buffer via a series of edits that
7423 // are separated by unchanged newline characters.
7424 //
7425 // In order for the diffing logic below to work properly, any edits that
7426 // cancel each other out must be combined into one.
7427 while let Some((next_range, next_text)) = lsp_edits.peek() {
7428 if next_range.start.0 > range.end {
7429 if next_range.start.0.row > range.end.row + 1
7430 || next_range.start.0.column > 0
7431 || snapshot.clip_point_utf16(
7432 Unclipped(PointUtf16::new(range.end.row, u32::MAX)),
7433 Bias::Left,
7434 ) > range.end
7435 {
7436 break;
7437 }
7438 new_text.push('\n');
7439 }
7440 range.end = snapshot.clip_point_utf16(next_range.end, Bias::Left);
7441 new_text.push_str(next_text);
7442 lsp_edits.next();
7443 }
7444
7445 // For multiline edits, perform a diff of the old and new text so that
7446 // we can identify the changes more precisely, preserving the locations
7447 // of any anchors positioned in the unchanged regions.
7448 if range.end.row > range.start.row {
7449 let mut offset = range.start.to_offset(&snapshot);
7450 let old_text = snapshot.text_for_range(range).collect::<String>();
7451
7452 let diff = TextDiff::from_lines(old_text.as_str(), &new_text);
7453 let mut moved_since_edit = true;
7454 for change in diff.iter_all_changes() {
7455 let tag = change.tag();
7456 let value = change.value();
7457 match tag {
7458 ChangeTag::Equal => {
7459 offset += value.len();
7460 moved_since_edit = true;
7461 }
7462 ChangeTag::Delete => {
7463 let start = snapshot.anchor_after(offset);
7464 let end = snapshot.anchor_before(offset + value.len());
7465 if moved_since_edit {
7466 edits.push((start..end, String::new()));
7467 } else {
7468 edits.last_mut().unwrap().0.end = end;
7469 }
7470 offset += value.len();
7471 moved_since_edit = false;
7472 }
7473 ChangeTag::Insert => {
7474 if moved_since_edit {
7475 let anchor = snapshot.anchor_after(offset);
7476 edits.push((anchor..anchor, value.to_string()));
7477 } else {
7478 edits.last_mut().unwrap().1.push_str(value);
7479 }
7480 moved_since_edit = false;
7481 }
7482 }
7483 }
7484 } else if range.end == range.start {
7485 let anchor = snapshot.anchor_after(range.start);
7486 edits.push((anchor..anchor, new_text));
7487 } else {
7488 let edit_start = snapshot.anchor_after(range.start);
7489 let edit_end = snapshot.anchor_before(range.end);
7490 edits.push((edit_start..edit_end, new_text));
7491 }
7492 }
7493
7494 Ok(edits)
7495 })
7496 }
7497
7498 fn buffer_snapshot_for_lsp_version(
7499 &mut self,
7500 buffer: &ModelHandle<Buffer>,
7501 server_id: LanguageServerId,
7502 version: Option<i32>,
7503 cx: &AppContext,
7504 ) -> Result<TextBufferSnapshot> {
7505 const OLD_VERSIONS_TO_RETAIN: i32 = 10;
7506
7507 if let Some(version) = version {
7508 let buffer_id = buffer.read(cx).remote_id();
7509 let snapshots = self
7510 .buffer_snapshots
7511 .get_mut(&buffer_id)
7512 .and_then(|m| m.get_mut(&server_id))
7513 .ok_or_else(|| {
7514 anyhow!("no snapshots found for buffer {buffer_id} and server {server_id}")
7515 })?;
7516
7517 let found_snapshot = snapshots
7518 .binary_search_by_key(&version, |e| e.version)
7519 .map(|ix| snapshots[ix].snapshot.clone())
7520 .map_err(|_| {
7521 anyhow!("snapshot not found for buffer {buffer_id} server {server_id} at version {version}")
7522 })?;
7523
7524 snapshots.retain(|snapshot| snapshot.version + OLD_VERSIONS_TO_RETAIN >= version);
7525 Ok(found_snapshot)
7526 } else {
7527 Ok((buffer.read(cx)).text_snapshot())
7528 }
7529 }
7530
7531 pub fn language_servers(
7532 &self,
7533 ) -> impl '_ + Iterator<Item = (LanguageServerId, LanguageServerName, WorktreeId)> {
7534 self.language_server_ids
7535 .iter()
7536 .map(|((worktree_id, server_name), server_id)| {
7537 (*server_id, server_name.clone(), *worktree_id)
7538 })
7539 }
7540
7541 pub fn language_server_for_id(&self, id: LanguageServerId) -> Option<Arc<LanguageServer>> {
7542 if let LanguageServerState::Running { server, .. } = self.language_servers.get(&id)? {
7543 Some(server.clone())
7544 } else {
7545 None
7546 }
7547 }
7548
7549 pub fn language_servers_for_buffer(
7550 &self,
7551 buffer: &Buffer,
7552 cx: &AppContext,
7553 ) -> impl Iterator<Item = (&Arc<CachedLspAdapter>, &Arc<LanguageServer>)> {
7554 self.language_server_ids_for_buffer(buffer, cx)
7555 .into_iter()
7556 .filter_map(|server_id| match self.language_servers.get(&server_id)? {
7557 LanguageServerState::Running {
7558 adapter, server, ..
7559 } => Some((adapter, server)),
7560 _ => None,
7561 })
7562 }
7563
7564 fn primary_language_servers_for_buffer(
7565 &self,
7566 buffer: &Buffer,
7567 cx: &AppContext,
7568 ) -> Option<(&Arc<CachedLspAdapter>, &Arc<LanguageServer>)> {
7569 self.language_servers_for_buffer(buffer, cx).next()
7570 }
7571
7572 fn language_server_for_buffer(
7573 &self,
7574 buffer: &Buffer,
7575 server_id: LanguageServerId,
7576 cx: &AppContext,
7577 ) -> Option<(&Arc<CachedLspAdapter>, &Arc<LanguageServer>)> {
7578 self.language_servers_for_buffer(buffer, cx)
7579 .find(|(_, s)| s.server_id() == server_id)
7580 }
7581
7582 fn language_server_ids_for_buffer(
7583 &self,
7584 buffer: &Buffer,
7585 cx: &AppContext,
7586 ) -> Vec<LanguageServerId> {
7587 if let Some((file, language)) = File::from_dyn(buffer.file()).zip(buffer.language()) {
7588 let worktree_id = file.worktree_id(cx);
7589 language
7590 .lsp_adapters()
7591 .iter()
7592 .flat_map(|adapter| {
7593 let key = (worktree_id, adapter.name.clone());
7594 self.language_server_ids.get(&key).copied()
7595 })
7596 .collect()
7597 } else {
7598 Vec::new()
7599 }
7600 }
7601}
7602
7603fn glob_literal_prefix<'a>(glob: &'a str) -> &'a str {
7604 let mut literal_end = 0;
7605 for (i, part) in glob.split(path::MAIN_SEPARATOR).enumerate() {
7606 if part.contains(&['*', '?', '{', '}']) {
7607 break;
7608 } else {
7609 if i > 0 {
7610 // Acount for separator prior to this part
7611 literal_end += path::MAIN_SEPARATOR.len_utf8();
7612 }
7613 literal_end += part.len();
7614 }
7615 }
7616 &glob[..literal_end]
7617}
7618
7619impl WorktreeHandle {
7620 pub fn upgrade(&self, cx: &AppContext) -> Option<ModelHandle<Worktree>> {
7621 match self {
7622 WorktreeHandle::Strong(handle) => Some(handle.clone()),
7623 WorktreeHandle::Weak(handle) => handle.upgrade(cx),
7624 }
7625 }
7626
7627 pub fn handle_id(&self) -> usize {
7628 match self {
7629 WorktreeHandle::Strong(handle) => handle.id(),
7630 WorktreeHandle::Weak(handle) => handle.id(),
7631 }
7632 }
7633}
7634
7635impl OpenBuffer {
7636 pub fn upgrade(&self, cx: &impl BorrowAppContext) -> Option<ModelHandle<Buffer>> {
7637 match self {
7638 OpenBuffer::Strong(handle) => Some(handle.clone()),
7639 OpenBuffer::Weak(handle) => handle.upgrade(cx),
7640 OpenBuffer::Operations(_) => None,
7641 }
7642 }
7643}
7644
7645pub struct PathMatchCandidateSet {
7646 pub snapshot: Snapshot,
7647 pub include_ignored: bool,
7648 pub include_root_name: bool,
7649}
7650
7651impl<'a> fuzzy::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
7652 type Candidates = PathMatchCandidateSetIter<'a>;
7653
7654 fn id(&self) -> usize {
7655 self.snapshot.id().to_usize()
7656 }
7657
7658 fn len(&self) -> usize {
7659 if self.include_ignored {
7660 self.snapshot.file_count()
7661 } else {
7662 self.snapshot.visible_file_count()
7663 }
7664 }
7665
7666 fn prefix(&self) -> Arc<str> {
7667 if self.snapshot.root_entry().map_or(false, |e| e.is_file()) {
7668 self.snapshot.root_name().into()
7669 } else if self.include_root_name {
7670 format!("{}/", self.snapshot.root_name()).into()
7671 } else {
7672 "".into()
7673 }
7674 }
7675
7676 fn candidates(&'a self, start: usize) -> Self::Candidates {
7677 PathMatchCandidateSetIter {
7678 traversal: self.snapshot.files(self.include_ignored, start),
7679 }
7680 }
7681}
7682
7683pub struct PathMatchCandidateSetIter<'a> {
7684 traversal: Traversal<'a>,
7685}
7686
7687impl<'a> Iterator for PathMatchCandidateSetIter<'a> {
7688 type Item = fuzzy::PathMatchCandidate<'a>;
7689
7690 fn next(&mut self) -> Option<Self::Item> {
7691 self.traversal.next().map(|entry| {
7692 if let EntryKind::File(char_bag) = entry.kind {
7693 fuzzy::PathMatchCandidate {
7694 path: &entry.path,
7695 char_bag,
7696 }
7697 } else {
7698 unreachable!()
7699 }
7700 })
7701 }
7702}
7703
7704impl Entity for Project {
7705 type Event = Event;
7706
7707 fn release(&mut self, cx: &mut gpui::AppContext) {
7708 match &self.client_state {
7709 Some(ProjectClientState::Local { .. }) => {
7710 let _ = self.unshare_internal(cx);
7711 }
7712 Some(ProjectClientState::Remote { remote_id, .. }) => {
7713 let _ = self.client.send(proto::LeaveProject {
7714 project_id: *remote_id,
7715 });
7716 self.disconnected_from_host_internal(cx);
7717 }
7718 _ => {}
7719 }
7720 }
7721
7722 fn app_will_quit(
7723 &mut self,
7724 _: &mut AppContext,
7725 ) -> Option<std::pin::Pin<Box<dyn 'static + Future<Output = ()>>>> {
7726 let shutdown_futures = self
7727 .language_servers
7728 .drain()
7729 .map(|(_, server_state)| async {
7730 use LanguageServerState::*;
7731 match server_state {
7732 Running { server, .. } => server.shutdown()?.await,
7733 Starting(task) => task.await?.shutdown()?.await,
7734 }
7735 })
7736 .collect::<Vec<_>>();
7737
7738 Some(
7739 async move {
7740 futures::future::join_all(shutdown_futures).await;
7741 }
7742 .boxed(),
7743 )
7744 }
7745}
7746
7747impl Collaborator {
7748 fn from_proto(message: proto::Collaborator) -> Result<Self> {
7749 Ok(Self {
7750 peer_id: message.peer_id.ok_or_else(|| anyhow!("invalid peer id"))?,
7751 replica_id: message.replica_id as ReplicaId,
7752 })
7753 }
7754}
7755
7756impl<P: AsRef<Path>> From<(WorktreeId, P)> for ProjectPath {
7757 fn from((worktree_id, path): (WorktreeId, P)) -> Self {
7758 Self {
7759 worktree_id,
7760 path: path.as_ref().into(),
7761 }
7762 }
7763}
7764
7765impl ProjectLspAdapterDelegate {
7766 fn new(project: &Project, cx: &ModelContext<Project>) -> Arc<Self> {
7767 Arc::new(Self {
7768 project: cx.handle(),
7769 http_client: project.client.http_client(),
7770 })
7771 }
7772}
7773
7774impl LspAdapterDelegate for ProjectLspAdapterDelegate {
7775 fn show_notification(&self, message: &str, cx: &mut AppContext) {
7776 self.project
7777 .update(cx, |_, cx| cx.emit(Event::Notification(message.to_owned())));
7778 }
7779
7780 fn http_client(&self) -> Arc<dyn HttpClient> {
7781 self.http_client.clone()
7782 }
7783}
7784
7785fn split_operations(
7786 mut operations: Vec<proto::Operation>,
7787) -> impl Iterator<Item = Vec<proto::Operation>> {
7788 #[cfg(any(test, feature = "test-support"))]
7789 const CHUNK_SIZE: usize = 5;
7790
7791 #[cfg(not(any(test, feature = "test-support")))]
7792 const CHUNK_SIZE: usize = 100;
7793
7794 let mut done = false;
7795 std::iter::from_fn(move || {
7796 if done {
7797 return None;
7798 }
7799
7800 let operations = operations
7801 .drain(..cmp::min(CHUNK_SIZE, operations.len()))
7802 .collect::<Vec<_>>();
7803 if operations.is_empty() {
7804 done = true;
7805 }
7806 Some(operations)
7807 })
7808}
7809
7810fn serialize_symbol(symbol: &Symbol) -> proto::Symbol {
7811 proto::Symbol {
7812 language_server_name: symbol.language_server_name.0.to_string(),
7813 source_worktree_id: symbol.source_worktree_id.to_proto(),
7814 worktree_id: symbol.path.worktree_id.to_proto(),
7815 path: symbol.path.path.to_string_lossy().to_string(),
7816 name: symbol.name.clone(),
7817 kind: unsafe { mem::transmute(symbol.kind) },
7818 start: Some(proto::PointUtf16 {
7819 row: symbol.range.start.0.row,
7820 column: symbol.range.start.0.column,
7821 }),
7822 end: Some(proto::PointUtf16 {
7823 row: symbol.range.end.0.row,
7824 column: symbol.range.end.0.column,
7825 }),
7826 signature: symbol.signature.to_vec(),
7827 }
7828}
7829
7830fn relativize_path(base: &Path, path: &Path) -> PathBuf {
7831 let mut path_components = path.components();
7832 let mut base_components = base.components();
7833 let mut components: Vec<Component> = Vec::new();
7834 loop {
7835 match (path_components.next(), base_components.next()) {
7836 (None, None) => break,
7837 (Some(a), None) => {
7838 components.push(a);
7839 components.extend(path_components.by_ref());
7840 break;
7841 }
7842 (None, _) => components.push(Component::ParentDir),
7843 (Some(a), Some(b)) if components.is_empty() && a == b => (),
7844 (Some(a), Some(b)) if b == Component::CurDir => components.push(a),
7845 (Some(a), Some(_)) => {
7846 components.push(Component::ParentDir);
7847 for _ in base_components {
7848 components.push(Component::ParentDir);
7849 }
7850 components.push(a);
7851 components.extend(path_components.by_ref());
7852 break;
7853 }
7854 }
7855 }
7856 components.iter().map(|c| c.as_os_str()).collect()
7857}
7858
7859impl Item for Buffer {
7860 fn entry_id(&self, cx: &AppContext) -> Option<ProjectEntryId> {
7861 File::from_dyn(self.file()).and_then(|file| file.project_entry_id(cx))
7862 }
7863
7864 fn project_path(&self, cx: &AppContext) -> Option<ProjectPath> {
7865 File::from_dyn(self.file()).map(|file| ProjectPath {
7866 worktree_id: file.worktree_id(cx),
7867 path: file.path().clone(),
7868 })
7869 }
7870}
7871
7872async fn wait_for_loading_buffer(
7873 mut receiver: postage::watch::Receiver<Option<Result<ModelHandle<Buffer>, Arc<anyhow::Error>>>>,
7874) -> Result<ModelHandle<Buffer>, Arc<anyhow::Error>> {
7875 loop {
7876 if let Some(result) = receiver.borrow().as_ref() {
7877 match result {
7878 Ok(buffer) => return Ok(buffer.to_owned()),
7879 Err(e) => return Err(e.to_owned()),
7880 }
7881 }
7882 receiver.next().await;
7883 }
7884}