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