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