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, Collaborator, 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::{self, try_join_all, Shared},
24 stream::FuturesUnordered,
25 AsyncWriteExt, Future, FutureExt, StreamExt, TryFutureExt,
26};
27use globset::{Glob, GlobSet, GlobSetBuilder};
28use gpui::{
29 executor::Background, AnyModelHandle, AppContext, AsyncAppContext, BorrowAppContext, Entity,
30 ModelContext, ModelHandle, Task, WeakModelHandle,
31};
32use itertools::Itertools;
33use language::{
34 language_settings::{
35 language_settings, FormatOnSave, Formatter, InlayHintKind, LanguageSettings,
36 },
37 point_to_lsp,
38 proto::{
39 deserialize_anchor, deserialize_fingerprint, deserialize_line_ending, deserialize_version,
40 serialize_anchor, serialize_version, split_operations,
41 },
42 range_from_lsp, range_to_lsp, Bias, Buffer, BufferSnapshot, CachedLspAdapter, CodeAction,
43 CodeLabel, Completion, Diagnostic, DiagnosticEntry, DiagnosticSet, Diff, Event as BufferEvent,
44 File as _, Language, LanguageRegistry, LanguageServerName, LocalFile, LspAdapterDelegate,
45 OffsetRangeExt, Operation, Patch, PendingLanguageServer, PointUtf16, TextBufferSnapshot,
46 ToOffset, ToPointUtf16, Transaction, Unclipped,
47};
48use log::error;
49use lsp::{
50 DiagnosticSeverity, DiagnosticTag, DidChangeWatchedFilesRegistrationOptions,
51 DocumentHighlightKind, LanguageServer, LanguageServerBinary, LanguageServerId, OneOf,
52};
53use lsp_command::*;
54use node_runtime::NodeRuntime;
55use parking_lot::Mutex;
56use postage::watch;
57use prettier::Prettier;
58use project_settings::{LspSettings, ProjectSettings};
59use rand::prelude::*;
60use search::SearchQuery;
61use serde::Serialize;
62use settings::SettingsStore;
63use sha2::{Digest, Sha256};
64use similar::{ChangeTag, TextDiff};
65use smol::channel::{Receiver, Sender};
66use std::{
67 cmp::{self, Ordering},
68 convert::TryInto,
69 hash::Hash,
70 mem,
71 num::NonZeroU32,
72 ops::Range,
73 path::{self, Component, Path, PathBuf},
74 process::Stdio,
75 str,
76 sync::{
77 atomic::{AtomicUsize, Ordering::SeqCst},
78 Arc,
79 },
80 time::{Duration, Instant},
81};
82use terminals::Terminals;
83use text::Anchor;
84use util::{
85 debug_panic, defer,
86 http::HttpClient,
87 merge_json_value_into,
88 paths::{DEFAULT_PRETTIER_DIR, LOCAL_SETTINGS_RELATIVE_PATH},
89 post_inc, ResultExt, TryFutureExt as _,
90};
91
92pub use fs::*;
93#[cfg(any(test, feature = "test-support"))]
94pub use prettier::FORMAT_SUFFIX as TEST_PRETTIER_FORMAT_SUFFIX;
95pub use worktree::*;
96
97const MAX_SERVER_REINSTALL_ATTEMPT_COUNT: u64 = 4;
98
99pub trait Item {
100 fn entry_id(&self, cx: &AppContext) -> Option<ProjectEntryId>;
101 fn project_path(&self, cx: &AppContext) -> Option<ProjectPath>;
102}
103
104// Language server state is stored across 3 collections:
105// language_servers =>
106// a mapping from unique server id to LanguageServerState which can either be a task for a
107// server in the process of starting, or a running server with adapter and language server arcs
108// language_server_ids => a mapping from worktreeId and server name to the unique server id
109// language_server_statuses => a mapping from unique server id to the current server status
110//
111// Multiple worktrees can map to the same language server for example when you jump to the definition
112// of a file in the standard library. So language_server_ids is used to look up which server is active
113// for a given worktree and language server name
114//
115// When starting a language server, first the id map is checked to make sure a server isn't already available
116// for that worktree. If there is one, it finishes early. Otherwise, a new id is allocated and and
117// the Starting variant of LanguageServerState is stored in the language_servers map.
118pub struct Project {
119 worktrees: Vec<WorktreeHandle>,
120 active_entry: Option<ProjectEntryId>,
121 buffer_ordered_messages_tx: mpsc::UnboundedSender<BufferOrderedMessage>,
122 languages: Arc<LanguageRegistry>,
123 supplementary_language_servers:
124 HashMap<LanguageServerId, (LanguageServerName, Arc<LanguageServer>)>,
125 language_servers: HashMap<LanguageServerId, LanguageServerState>,
126 language_server_ids: HashMap<(WorktreeId, LanguageServerName), LanguageServerId>,
127 language_server_statuses: BTreeMap<LanguageServerId, LanguageServerStatus>,
128 last_workspace_edits_by_language_server: HashMap<LanguageServerId, ProjectTransaction>,
129 client: Arc<client::Client>,
130 next_entry_id: Arc<AtomicUsize>,
131 join_project_response_message_id: u32,
132 next_diagnostic_group_id: usize,
133 user_store: ModelHandle<UserStore>,
134 fs: Arc<dyn Fs>,
135 client_state: Option<ProjectClientState>,
136 collaborators: HashMap<proto::PeerId, Collaborator>,
137 client_subscriptions: Vec<client::Subscription>,
138 _subscriptions: Vec<gpui::Subscription>,
139 next_buffer_id: u64,
140 opened_buffer: (watch::Sender<()>, watch::Receiver<()>),
141 shared_buffers: HashMap<proto::PeerId, HashSet<u64>>,
142 #[allow(clippy::type_complexity)]
143 loading_buffers_by_path: HashMap<
144 ProjectPath,
145 postage::watch::Receiver<Option<Result<ModelHandle<Buffer>, Arc<anyhow::Error>>>>,
146 >,
147 #[allow(clippy::type_complexity)]
148 loading_local_worktrees:
149 HashMap<Arc<Path>, Shared<Task<Result<ModelHandle<Worktree>, Arc<anyhow::Error>>>>>,
150 opened_buffers: HashMap<u64, OpenBuffer>,
151 local_buffer_ids_by_path: HashMap<ProjectPath, u64>,
152 local_buffer_ids_by_entry_id: HashMap<ProjectEntryId, u64>,
153 /// A mapping from a buffer ID to None means that we've started waiting for an ID but haven't finished loading it.
154 /// Used for re-issuing buffer requests when peers temporarily disconnect
155 incomplete_remote_buffers: HashMap<u64, Option<ModelHandle<Buffer>>>,
156 buffer_snapshots: HashMap<u64, HashMap<LanguageServerId, Vec<LspBufferSnapshot>>>, // buffer_id -> server_id -> vec of snapshots
157 buffers_being_formatted: HashSet<u64>,
158 buffers_needing_diff: HashSet<WeakModelHandle<Buffer>>,
159 git_diff_debouncer: DelayedDebounced,
160 nonce: u128,
161 _maintain_buffer_languages: Task<()>,
162 _maintain_workspace_config: Task<()>,
163 terminals: Terminals,
164 copilot_lsp_subscription: Option<gpui::Subscription>,
165 copilot_log_subscription: Option<lsp::Subscription>,
166 current_lsp_settings: HashMap<Arc<str>, LspSettings>,
167 node: Option<Arc<dyn NodeRuntime>>,
168 default_prettier: Option<DefaultPrettier>,
169 prettiers_per_worktree: HashMap<WorktreeId, HashSet<Option<PathBuf>>>,
170 prettier_instances: HashMap<PathBuf, Shared<Task<Result<Arc<Prettier>, Arc<anyhow::Error>>>>>,
171}
172
173struct DefaultPrettier {
174 instance: Option<Shared<Task<Result<Arc<Prettier>, Arc<anyhow::Error>>>>>,
175 #[cfg(not(any(test, feature = "test-support")))]
176 installed_plugins: HashSet<&'static str>,
177}
178
179struct DelayedDebounced {
180 task: Option<Task<()>>,
181 cancel_channel: Option<oneshot::Sender<()>>,
182}
183
184enum LanguageServerToQuery {
185 Primary,
186 Other(LanguageServerId),
187}
188
189impl DelayedDebounced {
190 fn new() -> DelayedDebounced {
191 DelayedDebounced {
192 task: None,
193 cancel_channel: None,
194 }
195 }
196
197 fn fire_new<F>(&mut self, delay: Duration, cx: &mut ModelContext<Project>, func: F)
198 where
199 F: 'static + FnOnce(&mut Project, &mut ModelContext<Project>) -> Task<()>,
200 {
201 if let Some(channel) = self.cancel_channel.take() {
202 _ = channel.send(());
203 }
204
205 let (sender, mut receiver) = oneshot::channel::<()>();
206 self.cancel_channel = Some(sender);
207
208 let previous_task = self.task.take();
209 self.task = Some(cx.spawn(|workspace, mut cx| async move {
210 let mut timer = cx.background().timer(delay).fuse();
211 if let Some(previous_task) = previous_task {
212 previous_task.await;
213 }
214
215 futures::select_biased! {
216 _ = receiver => return,
217 _ = timer => {}
218 }
219
220 workspace
221 .update(&mut cx, |workspace, cx| (func)(workspace, cx))
222 .await;
223 }));
224 }
225}
226
227struct LspBufferSnapshot {
228 version: i32,
229 snapshot: TextBufferSnapshot,
230}
231
232/// Message ordered with respect to buffer operations
233enum BufferOrderedMessage {
234 Operation {
235 buffer_id: u64,
236 operation: proto::Operation,
237 },
238 LanguageServerUpdate {
239 language_server_id: LanguageServerId,
240 message: proto::update_language_server::Variant,
241 },
242 Resync,
243}
244
245enum LocalProjectUpdate {
246 WorktreesChanged,
247 CreateBufferForPeer {
248 peer_id: proto::PeerId,
249 buffer_id: u64,
250 },
251}
252
253enum OpenBuffer {
254 Strong(ModelHandle<Buffer>),
255 Weak(WeakModelHandle<Buffer>),
256 Operations(Vec<Operation>),
257}
258
259#[derive(Clone)]
260enum WorktreeHandle {
261 Strong(ModelHandle<Worktree>),
262 Weak(WeakModelHandle<Worktree>),
263}
264
265enum ProjectClientState {
266 Local {
267 remote_id: u64,
268 updates_tx: mpsc::UnboundedSender<LocalProjectUpdate>,
269 _send_updates: Task<()>,
270 },
271 Remote {
272 sharing_has_stopped: bool,
273 remote_id: u64,
274 replica_id: ReplicaId,
275 },
276}
277
278#[derive(Clone, Debug, PartialEq)]
279pub enum Event {
280 LanguageServerAdded(LanguageServerId),
281 LanguageServerRemoved(LanguageServerId),
282 LanguageServerLog(LanguageServerId, String),
283 Notification(String),
284 ActiveEntryChanged(Option<ProjectEntryId>),
285 ActivateProjectPanel,
286 WorktreeAdded,
287 WorktreeRemoved(WorktreeId),
288 WorktreeUpdatedEntries(WorktreeId, UpdatedEntriesSet),
289 DiskBasedDiagnosticsStarted {
290 language_server_id: LanguageServerId,
291 },
292 DiskBasedDiagnosticsFinished {
293 language_server_id: LanguageServerId,
294 },
295 DiagnosticsUpdated {
296 path: ProjectPath,
297 language_server_id: LanguageServerId,
298 },
299 RemoteIdChanged(Option<u64>),
300 DisconnectedFromHost,
301 Closed,
302 DeletedEntry(ProjectEntryId),
303 CollaboratorUpdated {
304 old_peer_id: proto::PeerId,
305 new_peer_id: proto::PeerId,
306 },
307 CollaboratorJoined(proto::PeerId),
308 CollaboratorLeft(proto::PeerId),
309 RefreshInlayHints,
310}
311
312pub enum LanguageServerState {
313 Starting(Task<Option<Arc<LanguageServer>>>),
314
315 Running {
316 language: Arc<Language>,
317 adapter: Arc<CachedLspAdapter>,
318 server: Arc<LanguageServer>,
319 watched_paths: HashMap<WorktreeId, GlobSet>,
320 simulate_disk_based_diagnostics_completion: Option<Task<()>>,
321 },
322}
323
324#[derive(Serialize)]
325pub struct LanguageServerStatus {
326 pub name: String,
327 pub pending_work: BTreeMap<String, LanguageServerProgress>,
328 pub has_pending_diagnostic_updates: bool,
329 progress_tokens: HashSet<String>,
330}
331
332#[derive(Clone, Debug, Serialize)]
333pub struct LanguageServerProgress {
334 pub message: Option<String>,
335 pub percentage: Option<usize>,
336 #[serde(skip_serializing)]
337 pub last_update_at: Instant,
338}
339
340#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
341pub struct ProjectPath {
342 pub worktree_id: WorktreeId,
343 pub path: Arc<Path>,
344}
345
346#[derive(Copy, Clone, Debug, Default, PartialEq, Serialize)]
347pub struct DiagnosticSummary {
348 pub error_count: usize,
349 pub warning_count: usize,
350}
351
352#[derive(Debug, Clone, PartialEq, Eq, Hash)]
353pub struct Location {
354 pub buffer: ModelHandle<Buffer>,
355 pub range: Range<language::Anchor>,
356}
357
358#[derive(Debug, Clone, PartialEq, Eq)]
359pub struct InlayHint {
360 pub position: language::Anchor,
361 pub label: InlayHintLabel,
362 pub kind: Option<InlayHintKind>,
363 pub padding_left: bool,
364 pub padding_right: bool,
365 pub tooltip: Option<InlayHintTooltip>,
366 pub resolve_state: ResolveState,
367}
368
369#[derive(Debug, Clone, PartialEq, Eq)]
370pub enum ResolveState {
371 Resolved,
372 CanResolve(LanguageServerId, Option<lsp::LSPAny>),
373 Resolving,
374}
375
376impl InlayHint {
377 pub fn text(&self) -> String {
378 match &self.label {
379 InlayHintLabel::String(s) => s.to_owned(),
380 InlayHintLabel::LabelParts(parts) => parts.iter().map(|part| &part.value).join(""),
381 }
382 }
383}
384
385#[derive(Debug, Clone, PartialEq, Eq)]
386pub enum InlayHintLabel {
387 String(String),
388 LabelParts(Vec<InlayHintLabelPart>),
389}
390
391#[derive(Debug, Clone, PartialEq, Eq)]
392pub struct InlayHintLabelPart {
393 pub value: String,
394 pub tooltip: Option<InlayHintLabelPartTooltip>,
395 pub location: Option<(LanguageServerId, lsp::Location)>,
396}
397
398#[derive(Debug, Clone, PartialEq, Eq)]
399pub enum InlayHintTooltip {
400 String(String),
401 MarkupContent(MarkupContent),
402}
403
404#[derive(Debug, Clone, PartialEq, Eq)]
405pub enum InlayHintLabelPartTooltip {
406 String(String),
407 MarkupContent(MarkupContent),
408}
409
410#[derive(Debug, Clone, PartialEq, Eq)]
411pub struct MarkupContent {
412 pub kind: HoverBlockKind,
413 pub value: String,
414}
415
416#[derive(Debug, Clone)]
417pub struct LocationLink {
418 pub origin: Option<Location>,
419 pub target: Location,
420}
421
422#[derive(Debug)]
423pub struct DocumentHighlight {
424 pub range: Range<language::Anchor>,
425 pub kind: DocumentHighlightKind,
426}
427
428#[derive(Clone, Debug)]
429pub struct Symbol {
430 pub language_server_name: LanguageServerName,
431 pub source_worktree_id: WorktreeId,
432 pub path: ProjectPath,
433 pub label: CodeLabel,
434 pub name: String,
435 pub kind: lsp::SymbolKind,
436 pub range: Range<Unclipped<PointUtf16>>,
437 pub signature: [u8; 32],
438}
439
440#[derive(Clone, Debug, PartialEq)]
441pub struct HoverBlock {
442 pub text: String,
443 pub kind: HoverBlockKind,
444}
445
446#[derive(Clone, Debug, PartialEq, Eq)]
447pub enum HoverBlockKind {
448 PlainText,
449 Markdown,
450 Code { language: String },
451}
452
453#[derive(Debug)]
454pub struct Hover {
455 pub contents: Vec<HoverBlock>,
456 pub range: Option<Range<language::Anchor>>,
457 pub language: Option<Arc<Language>>,
458}
459
460impl Hover {
461 pub fn is_empty(&self) -> bool {
462 self.contents.iter().all(|block| block.text.is_empty())
463 }
464}
465
466#[derive(Default)]
467pub struct ProjectTransaction(pub HashMap<ModelHandle<Buffer>, language::Transaction>);
468
469impl DiagnosticSummary {
470 fn new<'a, T: 'a>(diagnostics: impl IntoIterator<Item = &'a DiagnosticEntry<T>>) -> Self {
471 let mut this = Self {
472 error_count: 0,
473 warning_count: 0,
474 };
475
476 for entry in diagnostics {
477 if entry.diagnostic.is_primary {
478 match entry.diagnostic.severity {
479 DiagnosticSeverity::ERROR => this.error_count += 1,
480 DiagnosticSeverity::WARNING => this.warning_count += 1,
481 _ => {}
482 }
483 }
484 }
485
486 this
487 }
488
489 pub fn is_empty(&self) -> bool {
490 self.error_count == 0 && self.warning_count == 0
491 }
492
493 pub fn to_proto(
494 &self,
495 language_server_id: LanguageServerId,
496 path: &Path,
497 ) -> proto::DiagnosticSummary {
498 proto::DiagnosticSummary {
499 path: path.to_string_lossy().to_string(),
500 language_server_id: language_server_id.0 as u64,
501 error_count: self.error_count as u32,
502 warning_count: self.warning_count as u32,
503 }
504 }
505}
506
507#[derive(Clone, Copy, Debug, Default, Hash, PartialEq, Eq, PartialOrd, Ord)]
508pub struct ProjectEntryId(usize);
509
510impl ProjectEntryId {
511 pub const MAX: Self = Self(usize::MAX);
512
513 pub fn new(counter: &AtomicUsize) -> Self {
514 Self(counter.fetch_add(1, SeqCst))
515 }
516
517 pub fn from_proto(id: u64) -> Self {
518 Self(id as usize)
519 }
520
521 pub fn to_proto(&self) -> u64 {
522 self.0 as u64
523 }
524
525 pub fn to_usize(&self) -> usize {
526 self.0
527 }
528}
529
530#[derive(Debug, Clone, Copy, PartialEq, Eq)]
531pub enum FormatTrigger {
532 Save,
533 Manual,
534}
535
536struct ProjectLspAdapterDelegate {
537 project: ModelHandle<Project>,
538 http_client: Arc<dyn HttpClient>,
539}
540
541impl FormatTrigger {
542 fn from_proto(value: i32) -> FormatTrigger {
543 match value {
544 0 => FormatTrigger::Save,
545 1 => FormatTrigger::Manual,
546 _ => FormatTrigger::Save,
547 }
548 }
549}
550#[derive(Clone, Debug, PartialEq)]
551enum SearchMatchCandidate {
552 OpenBuffer {
553 buffer: ModelHandle<Buffer>,
554 // This might be an unnamed file without representation on filesystem
555 path: Option<Arc<Path>>,
556 },
557 Path {
558 worktree_id: WorktreeId,
559 path: Arc<Path>,
560 },
561}
562
563type SearchMatchCandidateIndex = usize;
564impl SearchMatchCandidate {
565 fn path(&self) -> Option<Arc<Path>> {
566 match self {
567 SearchMatchCandidate::OpenBuffer { path, .. } => path.clone(),
568 SearchMatchCandidate::Path { path, .. } => Some(path.clone()),
569 }
570 }
571}
572
573impl Project {
574 pub fn init_settings(cx: &mut AppContext) {
575 settings::register::<ProjectSettings>(cx);
576 }
577
578 pub fn init(client: &Arc<Client>, cx: &mut AppContext) {
579 Self::init_settings(cx);
580
581 client.add_model_message_handler(Self::handle_add_collaborator);
582 client.add_model_message_handler(Self::handle_update_project_collaborator);
583 client.add_model_message_handler(Self::handle_remove_collaborator);
584 client.add_model_message_handler(Self::handle_buffer_reloaded);
585 client.add_model_message_handler(Self::handle_buffer_saved);
586 client.add_model_message_handler(Self::handle_start_language_server);
587 client.add_model_message_handler(Self::handle_update_language_server);
588 client.add_model_message_handler(Self::handle_update_project);
589 client.add_model_message_handler(Self::handle_unshare_project);
590 client.add_model_message_handler(Self::handle_create_buffer_for_peer);
591 client.add_model_message_handler(Self::handle_update_buffer_file);
592 client.add_model_request_handler(Self::handle_update_buffer);
593 client.add_model_message_handler(Self::handle_update_diagnostic_summary);
594 client.add_model_message_handler(Self::handle_update_worktree);
595 client.add_model_message_handler(Self::handle_update_worktree_settings);
596 client.add_model_request_handler(Self::handle_create_project_entry);
597 client.add_model_request_handler(Self::handle_rename_project_entry);
598 client.add_model_request_handler(Self::handle_copy_project_entry);
599 client.add_model_request_handler(Self::handle_delete_project_entry);
600 client.add_model_request_handler(Self::handle_expand_project_entry);
601 client.add_model_request_handler(Self::handle_apply_additional_edits_for_completion);
602 client.add_model_request_handler(Self::handle_apply_code_action);
603 client.add_model_request_handler(Self::handle_on_type_formatting);
604 client.add_model_request_handler(Self::handle_inlay_hints);
605 client.add_model_request_handler(Self::handle_resolve_completion_documentation);
606 client.add_model_request_handler(Self::handle_resolve_inlay_hint);
607 client.add_model_request_handler(Self::handle_refresh_inlay_hints);
608 client.add_model_request_handler(Self::handle_reload_buffers);
609 client.add_model_request_handler(Self::handle_synchronize_buffers);
610 client.add_model_request_handler(Self::handle_format_buffers);
611 client.add_model_request_handler(Self::handle_lsp_command::<GetCodeActions>);
612 client.add_model_request_handler(Self::handle_lsp_command::<GetCompletions>);
613 client.add_model_request_handler(Self::handle_lsp_command::<GetHover>);
614 client.add_model_request_handler(Self::handle_lsp_command::<GetDefinition>);
615 client.add_model_request_handler(Self::handle_lsp_command::<GetTypeDefinition>);
616 client.add_model_request_handler(Self::handle_lsp_command::<GetDocumentHighlights>);
617 client.add_model_request_handler(Self::handle_lsp_command::<GetReferences>);
618 client.add_model_request_handler(Self::handle_lsp_command::<PrepareRename>);
619 client.add_model_request_handler(Self::handle_lsp_command::<PerformRename>);
620 client.add_model_request_handler(Self::handle_search_project);
621 client.add_model_request_handler(Self::handle_get_project_symbols);
622 client.add_model_request_handler(Self::handle_open_buffer_for_symbol);
623 client.add_model_request_handler(Self::handle_open_buffer_by_id);
624 client.add_model_request_handler(Self::handle_open_buffer_by_path);
625 client.add_model_request_handler(Self::handle_save_buffer);
626 client.add_model_message_handler(Self::handle_update_diff_base);
627 }
628
629 pub fn local(
630 client: Arc<Client>,
631 node: Arc<dyn NodeRuntime>,
632 user_store: ModelHandle<UserStore>,
633 languages: Arc<LanguageRegistry>,
634 fs: Arc<dyn Fs>,
635 cx: &mut AppContext,
636 ) -> ModelHandle<Self> {
637 cx.add_model(|cx: &mut ModelContext<Self>| {
638 let (tx, rx) = mpsc::unbounded();
639 cx.spawn_weak(|this, cx| Self::send_buffer_ordered_messages(this, rx, cx))
640 .detach();
641 let copilot_lsp_subscription =
642 Copilot::global(cx).map(|copilot| subscribe_for_copilot_events(&copilot, cx));
643 Self {
644 worktrees: Default::default(),
645 buffer_ordered_messages_tx: tx,
646 collaborators: Default::default(),
647 next_buffer_id: 0,
648 opened_buffers: Default::default(),
649 shared_buffers: Default::default(),
650 incomplete_remote_buffers: Default::default(),
651 loading_buffers_by_path: Default::default(),
652 loading_local_worktrees: Default::default(),
653 local_buffer_ids_by_path: Default::default(),
654 local_buffer_ids_by_entry_id: Default::default(),
655 buffer_snapshots: Default::default(),
656 join_project_response_message_id: 0,
657 client_state: None,
658 opened_buffer: watch::channel(),
659 client_subscriptions: Vec::new(),
660 _subscriptions: vec![
661 cx.observe_global::<SettingsStore, _>(Self::on_settings_changed)
662 ],
663 _maintain_buffer_languages: Self::maintain_buffer_languages(languages.clone(), cx),
664 _maintain_workspace_config: Self::maintain_workspace_config(cx),
665 active_entry: None,
666 languages,
667 client,
668 user_store,
669 fs,
670 next_entry_id: Default::default(),
671 next_diagnostic_group_id: Default::default(),
672 supplementary_language_servers: HashMap::default(),
673 language_servers: Default::default(),
674 language_server_ids: Default::default(),
675 language_server_statuses: Default::default(),
676 last_workspace_edits_by_language_server: Default::default(),
677 buffers_being_formatted: Default::default(),
678 buffers_needing_diff: Default::default(),
679 git_diff_debouncer: DelayedDebounced::new(),
680 nonce: StdRng::from_entropy().gen(),
681 terminals: Terminals {
682 local_handles: Vec::new(),
683 },
684 copilot_lsp_subscription,
685 copilot_log_subscription: None,
686 current_lsp_settings: settings::get::<ProjectSettings>(cx).lsp.clone(),
687 node: Some(node),
688 default_prettier: None,
689 prettiers_per_worktree: HashMap::default(),
690 prettier_instances: HashMap::default(),
691 }
692 })
693 }
694
695 pub async fn remote(
696 remote_id: u64,
697 client: Arc<Client>,
698 user_store: ModelHandle<UserStore>,
699 languages: Arc<LanguageRegistry>,
700 fs: Arc<dyn Fs>,
701 mut cx: AsyncAppContext,
702 ) -> Result<ModelHandle<Self>> {
703 client.authenticate_and_connect(true, &cx).await?;
704
705 let subscription = client.subscribe_to_entity(remote_id)?;
706 let response = client
707 .request_envelope(proto::JoinProject {
708 project_id: remote_id,
709 })
710 .await?;
711 let this = cx.add_model(|cx| {
712 let replica_id = response.payload.replica_id as ReplicaId;
713
714 let mut worktrees = Vec::new();
715 for worktree in response.payload.worktrees {
716 let worktree = cx.update(|cx| {
717 Worktree::remote(remote_id, replica_id, worktree, client.clone(), cx)
718 });
719 worktrees.push(worktree);
720 }
721
722 let (tx, rx) = mpsc::unbounded();
723 cx.spawn_weak(|this, cx| Self::send_buffer_ordered_messages(this, rx, cx))
724 .detach();
725 let copilot_lsp_subscription =
726 Copilot::global(cx).map(|copilot| subscribe_for_copilot_events(&copilot, cx));
727 let mut this = Self {
728 worktrees: Vec::new(),
729 buffer_ordered_messages_tx: tx,
730 loading_buffers_by_path: Default::default(),
731 next_buffer_id: 0,
732 opened_buffer: watch::channel(),
733 shared_buffers: Default::default(),
734 incomplete_remote_buffers: Default::default(),
735 loading_local_worktrees: Default::default(),
736 local_buffer_ids_by_path: Default::default(),
737 local_buffer_ids_by_entry_id: Default::default(),
738 active_entry: None,
739 collaborators: Default::default(),
740 join_project_response_message_id: response.message_id,
741 _maintain_buffer_languages: Self::maintain_buffer_languages(languages.clone(), cx),
742 _maintain_workspace_config: Self::maintain_workspace_config(cx),
743 languages,
744 user_store: user_store.clone(),
745 fs,
746 next_entry_id: Default::default(),
747 next_diagnostic_group_id: Default::default(),
748 client_subscriptions: Default::default(),
749 _subscriptions: Default::default(),
750 client: client.clone(),
751 client_state: Some(ProjectClientState::Remote {
752 sharing_has_stopped: false,
753 remote_id,
754 replica_id,
755 }),
756 supplementary_language_servers: HashMap::default(),
757 language_servers: Default::default(),
758 language_server_ids: Default::default(),
759 language_server_statuses: response
760 .payload
761 .language_servers
762 .into_iter()
763 .map(|server| {
764 (
765 LanguageServerId(server.id as usize),
766 LanguageServerStatus {
767 name: server.name,
768 pending_work: Default::default(),
769 has_pending_diagnostic_updates: false,
770 progress_tokens: Default::default(),
771 },
772 )
773 })
774 .collect(),
775 last_workspace_edits_by_language_server: Default::default(),
776 opened_buffers: Default::default(),
777 buffers_being_formatted: Default::default(),
778 buffers_needing_diff: Default::default(),
779 git_diff_debouncer: DelayedDebounced::new(),
780 buffer_snapshots: Default::default(),
781 nonce: StdRng::from_entropy().gen(),
782 terminals: Terminals {
783 local_handles: Vec::new(),
784 },
785 copilot_lsp_subscription,
786 copilot_log_subscription: None,
787 current_lsp_settings: settings::get::<ProjectSettings>(cx).lsp.clone(),
788 node: None,
789 default_prettier: None,
790 prettiers_per_worktree: HashMap::default(),
791 prettier_instances: HashMap::default(),
792 };
793 for worktree in worktrees {
794 let _ = this.add_worktree(&worktree, cx);
795 }
796 this
797 });
798 let subscription = subscription.set_model(&this, &mut cx);
799
800 let user_ids = response
801 .payload
802 .collaborators
803 .iter()
804 .map(|peer| peer.user_id)
805 .collect();
806 user_store
807 .update(&mut cx, |user_store, cx| user_store.get_users(user_ids, cx))
808 .await?;
809
810 this.update(&mut cx, |this, cx| {
811 this.set_collaborators_from_proto(response.payload.collaborators, cx)?;
812 this.client_subscriptions.push(subscription);
813 anyhow::Ok(())
814 })?;
815
816 Ok(this)
817 }
818
819 #[cfg(any(test, feature = "test-support"))]
820 pub async fn test(
821 fs: Arc<dyn Fs>,
822 root_paths: impl IntoIterator<Item = &Path>,
823 cx: &mut gpui::TestAppContext,
824 ) -> ModelHandle<Project> {
825 let mut languages = LanguageRegistry::test();
826 languages.set_executor(cx.background());
827 let http_client = util::http::FakeHttpClient::with_404_response();
828 let client = cx.update(|cx| client::Client::new(http_client.clone(), cx));
829 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http_client, cx));
830 let project = cx.update(|cx| {
831 Project::local(
832 client,
833 node_runtime::FakeNodeRuntime::new(),
834 user_store,
835 Arc::new(languages),
836 fs,
837 cx,
838 )
839 });
840 for path in root_paths {
841 let (tree, _) = project
842 .update(cx, |project, cx| {
843 project.find_or_create_local_worktree(path, true, cx)
844 })
845 .await
846 .unwrap();
847 tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
848 .await;
849 }
850 project
851 }
852
853 fn on_settings_changed(&mut self, cx: &mut ModelContext<Self>) {
854 let mut language_servers_to_start = Vec::new();
855 let mut language_formatters_to_check = Vec::new();
856 for buffer in self.opened_buffers.values() {
857 if let Some(buffer) = buffer.upgrade(cx) {
858 let buffer = buffer.read(cx);
859 let buffer_file = File::from_dyn(buffer.file());
860 let buffer_language = buffer.language();
861 let settings = language_settings(buffer_language, buffer.file(), cx);
862 if let Some(language) = buffer_language {
863 if settings.enable_language_server {
864 if let Some(file) = buffer_file {
865 language_servers_to_start
866 .push((file.worktree.clone(), Arc::clone(language)));
867 }
868 }
869 language_formatters_to_check.push((
870 buffer_file.map(|f| f.worktree_id(cx)),
871 Arc::clone(language),
872 settings.clone(),
873 ));
874 }
875 }
876 }
877
878 let mut language_servers_to_stop = Vec::new();
879 let mut language_servers_to_restart = Vec::new();
880 let languages = self.languages.to_vec();
881
882 let new_lsp_settings = settings::get::<ProjectSettings>(cx).lsp.clone();
883 let current_lsp_settings = &self.current_lsp_settings;
884 for (worktree_id, started_lsp_name) in self.language_server_ids.keys() {
885 let language = languages.iter().find_map(|l| {
886 let adapter = l
887 .lsp_adapters()
888 .iter()
889 .find(|adapter| &adapter.name == started_lsp_name)?;
890 Some((l, adapter))
891 });
892 if let Some((language, adapter)) = language {
893 let worktree = self.worktree_for_id(*worktree_id, cx);
894 let file = worktree.as_ref().and_then(|tree| {
895 tree.update(cx, |tree, cx| tree.root_file(cx).map(|f| f as _))
896 });
897 if !language_settings(Some(language), file.as_ref(), cx).enable_language_server {
898 language_servers_to_stop.push((*worktree_id, started_lsp_name.clone()));
899 } else if let Some(worktree) = worktree {
900 let server_name = &adapter.name.0;
901 match (
902 current_lsp_settings.get(server_name),
903 new_lsp_settings.get(server_name),
904 ) {
905 (None, None) => {}
906 (Some(_), None) | (None, Some(_)) => {
907 language_servers_to_restart.push((worktree, Arc::clone(language)));
908 }
909 (Some(current_lsp_settings), Some(new_lsp_settings)) => {
910 if current_lsp_settings != new_lsp_settings {
911 language_servers_to_restart.push((worktree, Arc::clone(language)));
912 }
913 }
914 }
915 }
916 }
917 }
918 self.current_lsp_settings = new_lsp_settings;
919
920 // Stop all newly-disabled language servers.
921 for (worktree_id, adapter_name) in language_servers_to_stop {
922 self.stop_language_server(worktree_id, adapter_name, cx)
923 .detach();
924 }
925
926 for (worktree, language, settings) in language_formatters_to_check {
927 self.install_default_formatters(worktree, &language, &settings, cx)
928 .detach_and_log_err(cx);
929 }
930
931 // Start all the newly-enabled language servers.
932 for (worktree, language) in language_servers_to_start {
933 let worktree_path = worktree.read(cx).abs_path();
934 self.start_language_servers(&worktree, worktree_path, language, cx);
935 }
936
937 // Restart all language servers with changed initialization options.
938 for (worktree, language) in language_servers_to_restart {
939 self.restart_language_servers(worktree, language, cx);
940 }
941
942 if self.copilot_lsp_subscription.is_none() {
943 if let Some(copilot) = Copilot::global(cx) {
944 for buffer in self.opened_buffers.values() {
945 if let Some(buffer) = buffer.upgrade(cx) {
946 self.register_buffer_with_copilot(&buffer, cx);
947 }
948 }
949 self.copilot_lsp_subscription = Some(subscribe_for_copilot_events(&copilot, cx));
950 }
951 }
952
953 cx.notify();
954 }
955
956 pub fn buffer_for_id(&self, remote_id: u64, cx: &AppContext) -> Option<ModelHandle<Buffer>> {
957 self.opened_buffers
958 .get(&remote_id)
959 .and_then(|buffer| buffer.upgrade(cx))
960 }
961
962 pub fn languages(&self) -> &Arc<LanguageRegistry> {
963 &self.languages
964 }
965
966 pub fn client(&self) -> Arc<Client> {
967 self.client.clone()
968 }
969
970 pub fn user_store(&self) -> ModelHandle<UserStore> {
971 self.user_store.clone()
972 }
973
974 pub fn opened_buffers(&self, cx: &AppContext) -> Vec<ModelHandle<Buffer>> {
975 self.opened_buffers
976 .values()
977 .filter_map(|b| b.upgrade(cx))
978 .collect()
979 }
980
981 #[cfg(any(test, feature = "test-support"))]
982 pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &AppContext) -> bool {
983 let path = path.into();
984 if let Some(worktree) = self.worktree_for_id(path.worktree_id, cx) {
985 self.opened_buffers.iter().any(|(_, buffer)| {
986 if let Some(buffer) = buffer.upgrade(cx) {
987 if let Some(file) = File::from_dyn(buffer.read(cx).file()) {
988 if file.worktree == worktree && file.path() == &path.path {
989 return true;
990 }
991 }
992 }
993 false
994 })
995 } else {
996 false
997 }
998 }
999
1000 pub fn fs(&self) -> &Arc<dyn Fs> {
1001 &self.fs
1002 }
1003
1004 pub fn remote_id(&self) -> Option<u64> {
1005 match self.client_state.as_ref()? {
1006 ProjectClientState::Local { remote_id, .. }
1007 | ProjectClientState::Remote { remote_id, .. } => Some(*remote_id),
1008 }
1009 }
1010
1011 pub fn replica_id(&self) -> ReplicaId {
1012 match &self.client_state {
1013 Some(ProjectClientState::Remote { replica_id, .. }) => *replica_id,
1014 _ => 0,
1015 }
1016 }
1017
1018 fn metadata_changed(&mut self, cx: &mut ModelContext<Self>) {
1019 if let Some(ProjectClientState::Local { updates_tx, .. }) = &mut self.client_state {
1020 updates_tx
1021 .unbounded_send(LocalProjectUpdate::WorktreesChanged)
1022 .ok();
1023 }
1024 cx.notify();
1025 }
1026
1027 pub fn collaborators(&self) -> &HashMap<proto::PeerId, Collaborator> {
1028 &self.collaborators
1029 }
1030
1031 pub fn host(&self) -> Option<&Collaborator> {
1032 self.collaborators.values().find(|c| c.replica_id == 0)
1033 }
1034
1035 /// Collect all worktrees, including ones that don't appear in the project panel
1036 pub fn worktrees<'a>(
1037 &'a self,
1038 cx: &'a AppContext,
1039 ) -> impl 'a + DoubleEndedIterator<Item = ModelHandle<Worktree>> {
1040 self.worktrees
1041 .iter()
1042 .filter_map(move |worktree| worktree.upgrade(cx))
1043 }
1044
1045 /// Collect all user-visible worktrees, the ones that appear in the project panel
1046 pub fn visible_worktrees<'a>(
1047 &'a self,
1048 cx: &'a AppContext,
1049 ) -> impl 'a + DoubleEndedIterator<Item = ModelHandle<Worktree>> {
1050 self.worktrees.iter().filter_map(|worktree| {
1051 worktree.upgrade(cx).and_then(|worktree| {
1052 if worktree.read(cx).is_visible() {
1053 Some(worktree)
1054 } else {
1055 None
1056 }
1057 })
1058 })
1059 }
1060
1061 pub fn worktree_root_names<'a>(&'a self, cx: &'a AppContext) -> impl Iterator<Item = &'a str> {
1062 self.visible_worktrees(cx)
1063 .map(|tree| tree.read(cx).root_name())
1064 }
1065
1066 pub fn worktree_for_id(
1067 &self,
1068 id: WorktreeId,
1069 cx: &AppContext,
1070 ) -> Option<ModelHandle<Worktree>> {
1071 self.worktrees(cx)
1072 .find(|worktree| worktree.read(cx).id() == id)
1073 }
1074
1075 pub fn worktree_for_entry(
1076 &self,
1077 entry_id: ProjectEntryId,
1078 cx: &AppContext,
1079 ) -> Option<ModelHandle<Worktree>> {
1080 self.worktrees(cx)
1081 .find(|worktree| worktree.read(cx).contains_entry(entry_id))
1082 }
1083
1084 pub fn worktree_id_for_entry(
1085 &self,
1086 entry_id: ProjectEntryId,
1087 cx: &AppContext,
1088 ) -> Option<WorktreeId> {
1089 self.worktree_for_entry(entry_id, cx)
1090 .map(|worktree| worktree.read(cx).id())
1091 }
1092
1093 pub fn contains_paths(&self, paths: &[PathBuf], cx: &AppContext) -> bool {
1094 paths.iter().all(|path| self.contains_path(path, cx))
1095 }
1096
1097 pub fn contains_path(&self, path: &Path, cx: &AppContext) -> bool {
1098 for worktree in self.worktrees(cx) {
1099 let worktree = worktree.read(cx).as_local();
1100 if worktree.map_or(false, |w| w.contains_abs_path(path)) {
1101 return true;
1102 }
1103 }
1104 false
1105 }
1106
1107 pub fn create_entry(
1108 &mut self,
1109 project_path: impl Into<ProjectPath>,
1110 is_directory: bool,
1111 cx: &mut ModelContext<Self>,
1112 ) -> Option<Task<Result<Entry>>> {
1113 let project_path = project_path.into();
1114 let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
1115 if self.is_local() {
1116 Some(worktree.update(cx, |worktree, cx| {
1117 worktree
1118 .as_local_mut()
1119 .unwrap()
1120 .create_entry(project_path.path, is_directory, cx)
1121 }))
1122 } else {
1123 let client = self.client.clone();
1124 let project_id = self.remote_id().unwrap();
1125 Some(cx.spawn_weak(|_, mut cx| async move {
1126 let response = client
1127 .request(proto::CreateProjectEntry {
1128 worktree_id: project_path.worktree_id.to_proto(),
1129 project_id,
1130 path: project_path.path.to_string_lossy().into(),
1131 is_directory,
1132 })
1133 .await?;
1134 let entry = response
1135 .entry
1136 .ok_or_else(|| anyhow!("missing entry in response"))?;
1137 worktree
1138 .update(&mut cx, |worktree, cx| {
1139 worktree.as_remote_mut().unwrap().insert_entry(
1140 entry,
1141 response.worktree_scan_id as usize,
1142 cx,
1143 )
1144 })
1145 .await
1146 }))
1147 }
1148 }
1149
1150 pub fn copy_entry(
1151 &mut self,
1152 entry_id: ProjectEntryId,
1153 new_path: impl Into<Arc<Path>>,
1154 cx: &mut ModelContext<Self>,
1155 ) -> Option<Task<Result<Entry>>> {
1156 let worktree = self.worktree_for_entry(entry_id, cx)?;
1157 let new_path = new_path.into();
1158 if self.is_local() {
1159 worktree.update(cx, |worktree, cx| {
1160 worktree
1161 .as_local_mut()
1162 .unwrap()
1163 .copy_entry(entry_id, new_path, cx)
1164 })
1165 } else {
1166 let client = self.client.clone();
1167 let project_id = self.remote_id().unwrap();
1168
1169 Some(cx.spawn_weak(|_, mut cx| async move {
1170 let response = client
1171 .request(proto::CopyProjectEntry {
1172 project_id,
1173 entry_id: entry_id.to_proto(),
1174 new_path: new_path.to_string_lossy().into(),
1175 })
1176 .await?;
1177 let entry = response
1178 .entry
1179 .ok_or_else(|| anyhow!("missing entry in response"))?;
1180 worktree
1181 .update(&mut cx, |worktree, cx| {
1182 worktree.as_remote_mut().unwrap().insert_entry(
1183 entry,
1184 response.worktree_scan_id as usize,
1185 cx,
1186 )
1187 })
1188 .await
1189 }))
1190 }
1191 }
1192
1193 pub fn rename_entry(
1194 &mut self,
1195 entry_id: ProjectEntryId,
1196 new_path: impl Into<Arc<Path>>,
1197 cx: &mut ModelContext<Self>,
1198 ) -> Option<Task<Result<Entry>>> {
1199 let worktree = self.worktree_for_entry(entry_id, cx)?;
1200 let new_path = new_path.into();
1201 if self.is_local() {
1202 worktree.update(cx, |worktree, cx| {
1203 worktree
1204 .as_local_mut()
1205 .unwrap()
1206 .rename_entry(entry_id, new_path, cx)
1207 })
1208 } else {
1209 let client = self.client.clone();
1210 let project_id = self.remote_id().unwrap();
1211
1212 Some(cx.spawn_weak(|_, mut cx| async move {
1213 let response = client
1214 .request(proto::RenameProjectEntry {
1215 project_id,
1216 entry_id: entry_id.to_proto(),
1217 new_path: new_path.to_string_lossy().into(),
1218 })
1219 .await?;
1220 let entry = response
1221 .entry
1222 .ok_or_else(|| anyhow!("missing entry in response"))?;
1223 worktree
1224 .update(&mut cx, |worktree, cx| {
1225 worktree.as_remote_mut().unwrap().insert_entry(
1226 entry,
1227 response.worktree_scan_id as usize,
1228 cx,
1229 )
1230 })
1231 .await
1232 }))
1233 }
1234 }
1235
1236 pub fn delete_entry(
1237 &mut self,
1238 entry_id: ProjectEntryId,
1239 cx: &mut ModelContext<Self>,
1240 ) -> Option<Task<Result<()>>> {
1241 let worktree = self.worktree_for_entry(entry_id, cx)?;
1242
1243 cx.emit(Event::DeletedEntry(entry_id));
1244
1245 if self.is_local() {
1246 worktree.update(cx, |worktree, cx| {
1247 worktree.as_local_mut().unwrap().delete_entry(entry_id, cx)
1248 })
1249 } else {
1250 let client = self.client.clone();
1251 let project_id = self.remote_id().unwrap();
1252 Some(cx.spawn_weak(|_, mut cx| async move {
1253 let response = client
1254 .request(proto::DeleteProjectEntry {
1255 project_id,
1256 entry_id: entry_id.to_proto(),
1257 })
1258 .await?;
1259 worktree
1260 .update(&mut cx, move |worktree, cx| {
1261 worktree.as_remote_mut().unwrap().delete_entry(
1262 entry_id,
1263 response.worktree_scan_id as usize,
1264 cx,
1265 )
1266 })
1267 .await
1268 }))
1269 }
1270 }
1271
1272 pub fn expand_entry(
1273 &mut self,
1274 worktree_id: WorktreeId,
1275 entry_id: ProjectEntryId,
1276 cx: &mut ModelContext<Self>,
1277 ) -> Option<Task<Result<()>>> {
1278 let worktree = self.worktree_for_id(worktree_id, cx)?;
1279 if self.is_local() {
1280 worktree.update(cx, |worktree, cx| {
1281 worktree.as_local_mut().unwrap().expand_entry(entry_id, cx)
1282 })
1283 } else {
1284 let worktree = worktree.downgrade();
1285 let request = self.client.request(proto::ExpandProjectEntry {
1286 project_id: self.remote_id().unwrap(),
1287 entry_id: entry_id.to_proto(),
1288 });
1289 Some(cx.spawn_weak(|_, mut cx| async move {
1290 let response = request.await?;
1291 if let Some(worktree) = worktree.upgrade(&cx) {
1292 worktree
1293 .update(&mut cx, |worktree, _| {
1294 worktree
1295 .as_remote_mut()
1296 .unwrap()
1297 .wait_for_snapshot(response.worktree_scan_id as usize)
1298 })
1299 .await?;
1300 }
1301 Ok(())
1302 }))
1303 }
1304 }
1305
1306 pub fn shared(&mut self, project_id: u64, cx: &mut ModelContext<Self>) -> Result<()> {
1307 if self.client_state.is_some() {
1308 return Err(anyhow!("project was already shared"));
1309 }
1310 self.client_subscriptions.push(
1311 self.client
1312 .subscribe_to_entity(project_id)?
1313 .set_model(&cx.handle(), &mut cx.to_async()),
1314 );
1315
1316 for open_buffer in self.opened_buffers.values_mut() {
1317 match open_buffer {
1318 OpenBuffer::Strong(_) => {}
1319 OpenBuffer::Weak(buffer) => {
1320 if let Some(buffer) = buffer.upgrade(cx) {
1321 *open_buffer = OpenBuffer::Strong(buffer);
1322 }
1323 }
1324 OpenBuffer::Operations(_) => unreachable!(),
1325 }
1326 }
1327
1328 for worktree_handle in self.worktrees.iter_mut() {
1329 match worktree_handle {
1330 WorktreeHandle::Strong(_) => {}
1331 WorktreeHandle::Weak(worktree) => {
1332 if let Some(worktree) = worktree.upgrade(cx) {
1333 *worktree_handle = WorktreeHandle::Strong(worktree);
1334 }
1335 }
1336 }
1337 }
1338
1339 for (server_id, status) in &self.language_server_statuses {
1340 self.client
1341 .send(proto::StartLanguageServer {
1342 project_id,
1343 server: Some(proto::LanguageServer {
1344 id: server_id.0 as u64,
1345 name: status.name.clone(),
1346 }),
1347 })
1348 .log_err();
1349 }
1350
1351 let store = cx.global::<SettingsStore>();
1352 for worktree in self.worktrees(cx) {
1353 let worktree_id = worktree.read(cx).id().to_proto();
1354 for (path, content) in store.local_settings(worktree.id()) {
1355 self.client
1356 .send(proto::UpdateWorktreeSettings {
1357 project_id,
1358 worktree_id,
1359 path: path.to_string_lossy().into(),
1360 content: Some(content),
1361 })
1362 .log_err();
1363 }
1364 }
1365
1366 let (updates_tx, mut updates_rx) = mpsc::unbounded();
1367 let client = self.client.clone();
1368 self.client_state = Some(ProjectClientState::Local {
1369 remote_id: project_id,
1370 updates_tx,
1371 _send_updates: cx.spawn_weak(move |this, mut cx| async move {
1372 while let Some(update) = updates_rx.next().await {
1373 let Some(this) = this.upgrade(&cx) else { break };
1374
1375 match update {
1376 LocalProjectUpdate::WorktreesChanged => {
1377 let worktrees = this
1378 .read_with(&cx, |this, cx| this.worktrees(cx).collect::<Vec<_>>());
1379 let update_project = this
1380 .read_with(&cx, |this, cx| {
1381 this.client.request(proto::UpdateProject {
1382 project_id,
1383 worktrees: this.worktree_metadata_protos(cx),
1384 })
1385 })
1386 .await;
1387 if update_project.is_ok() {
1388 for worktree in worktrees {
1389 worktree.update(&mut cx, |worktree, cx| {
1390 let worktree = worktree.as_local_mut().unwrap();
1391 worktree.share(project_id, cx).detach_and_log_err(cx)
1392 });
1393 }
1394 }
1395 }
1396 LocalProjectUpdate::CreateBufferForPeer { peer_id, buffer_id } => {
1397 let buffer = this.update(&mut cx, |this, _| {
1398 let buffer = this.opened_buffers.get(&buffer_id).unwrap();
1399 let shared_buffers =
1400 this.shared_buffers.entry(peer_id).or_default();
1401 if shared_buffers.insert(buffer_id) {
1402 if let OpenBuffer::Strong(buffer) = buffer {
1403 Some(buffer.clone())
1404 } else {
1405 None
1406 }
1407 } else {
1408 None
1409 }
1410 });
1411
1412 let Some(buffer) = buffer else { continue };
1413 let operations =
1414 buffer.read_with(&cx, |b, cx| b.serialize_ops(None, cx));
1415 let operations = operations.await;
1416 let state = buffer.read_with(&cx, |buffer, _| buffer.to_proto());
1417
1418 let initial_state = proto::CreateBufferForPeer {
1419 project_id,
1420 peer_id: Some(peer_id),
1421 variant: Some(proto::create_buffer_for_peer::Variant::State(state)),
1422 };
1423 if client.send(initial_state).log_err().is_some() {
1424 let client = client.clone();
1425 cx.background()
1426 .spawn(async move {
1427 let mut chunks = split_operations(operations).peekable();
1428 while let Some(chunk) = chunks.next() {
1429 let is_last = chunks.peek().is_none();
1430 client.send(proto::CreateBufferForPeer {
1431 project_id,
1432 peer_id: Some(peer_id),
1433 variant: Some(
1434 proto::create_buffer_for_peer::Variant::Chunk(
1435 proto::BufferChunk {
1436 buffer_id,
1437 operations: chunk,
1438 is_last,
1439 },
1440 ),
1441 ),
1442 })?;
1443 }
1444 anyhow::Ok(())
1445 })
1446 .await
1447 .log_err();
1448 }
1449 }
1450 }
1451 }
1452 }),
1453 });
1454
1455 self.metadata_changed(cx);
1456 cx.emit(Event::RemoteIdChanged(Some(project_id)));
1457 cx.notify();
1458 Ok(())
1459 }
1460
1461 pub fn reshared(
1462 &mut self,
1463 message: proto::ResharedProject,
1464 cx: &mut ModelContext<Self>,
1465 ) -> Result<()> {
1466 self.shared_buffers.clear();
1467 self.set_collaborators_from_proto(message.collaborators, cx)?;
1468 self.metadata_changed(cx);
1469 Ok(())
1470 }
1471
1472 pub fn rejoined(
1473 &mut self,
1474 message: proto::RejoinedProject,
1475 message_id: u32,
1476 cx: &mut ModelContext<Self>,
1477 ) -> Result<()> {
1478 cx.update_global::<SettingsStore, _, _>(|store, cx| {
1479 for worktree in &self.worktrees {
1480 store
1481 .clear_local_settings(worktree.handle_id(), cx)
1482 .log_err();
1483 }
1484 });
1485
1486 self.join_project_response_message_id = message_id;
1487 self.set_worktrees_from_proto(message.worktrees, cx)?;
1488 self.set_collaborators_from_proto(message.collaborators, cx)?;
1489 self.language_server_statuses = message
1490 .language_servers
1491 .into_iter()
1492 .map(|server| {
1493 (
1494 LanguageServerId(server.id as usize),
1495 LanguageServerStatus {
1496 name: server.name,
1497 pending_work: Default::default(),
1498 has_pending_diagnostic_updates: false,
1499 progress_tokens: Default::default(),
1500 },
1501 )
1502 })
1503 .collect();
1504 self.buffer_ordered_messages_tx
1505 .unbounded_send(BufferOrderedMessage::Resync)
1506 .unwrap();
1507 cx.notify();
1508 Ok(())
1509 }
1510
1511 pub fn unshare(&mut self, cx: &mut ModelContext<Self>) -> Result<()> {
1512 self.unshare_internal(cx)?;
1513 self.metadata_changed(cx);
1514 cx.notify();
1515 Ok(())
1516 }
1517
1518 fn unshare_internal(&mut self, cx: &mut AppContext) -> Result<()> {
1519 if self.is_remote() {
1520 return Err(anyhow!("attempted to unshare a remote project"));
1521 }
1522
1523 if let Some(ProjectClientState::Local { remote_id, .. }) = self.client_state.take() {
1524 self.collaborators.clear();
1525 self.shared_buffers.clear();
1526 self.client_subscriptions.clear();
1527
1528 for worktree_handle in self.worktrees.iter_mut() {
1529 if let WorktreeHandle::Strong(worktree) = worktree_handle {
1530 let is_visible = worktree.update(cx, |worktree, _| {
1531 worktree.as_local_mut().unwrap().unshare();
1532 worktree.is_visible()
1533 });
1534 if !is_visible {
1535 *worktree_handle = WorktreeHandle::Weak(worktree.downgrade());
1536 }
1537 }
1538 }
1539
1540 for open_buffer in self.opened_buffers.values_mut() {
1541 // Wake up any tasks waiting for peers' edits to this buffer.
1542 if let Some(buffer) = open_buffer.upgrade(cx) {
1543 buffer.update(cx, |buffer, _| buffer.give_up_waiting());
1544 }
1545
1546 if let OpenBuffer::Strong(buffer) = open_buffer {
1547 *open_buffer = OpenBuffer::Weak(buffer.downgrade());
1548 }
1549 }
1550
1551 self.client.send(proto::UnshareProject {
1552 project_id: remote_id,
1553 })?;
1554
1555 Ok(())
1556 } else {
1557 Err(anyhow!("attempted to unshare an unshared project"))
1558 }
1559 }
1560
1561 pub fn disconnected_from_host(&mut self, cx: &mut ModelContext<Self>) {
1562 self.disconnected_from_host_internal(cx);
1563 cx.emit(Event::DisconnectedFromHost);
1564 cx.notify();
1565 }
1566
1567 fn disconnected_from_host_internal(&mut self, cx: &mut AppContext) {
1568 if let Some(ProjectClientState::Remote {
1569 sharing_has_stopped,
1570 ..
1571 }) = &mut self.client_state
1572 {
1573 *sharing_has_stopped = true;
1574
1575 self.collaborators.clear();
1576
1577 for worktree in &self.worktrees {
1578 if let Some(worktree) = worktree.upgrade(cx) {
1579 worktree.update(cx, |worktree, _| {
1580 if let Some(worktree) = worktree.as_remote_mut() {
1581 worktree.disconnected_from_host();
1582 }
1583 });
1584 }
1585 }
1586
1587 for open_buffer in self.opened_buffers.values_mut() {
1588 // Wake up any tasks waiting for peers' edits to this buffer.
1589 if let Some(buffer) = open_buffer.upgrade(cx) {
1590 buffer.update(cx, |buffer, _| buffer.give_up_waiting());
1591 }
1592
1593 if let OpenBuffer::Strong(buffer) = open_buffer {
1594 *open_buffer = OpenBuffer::Weak(buffer.downgrade());
1595 }
1596 }
1597
1598 // Wake up all futures currently waiting on a buffer to get opened,
1599 // to give them a chance to fail now that we've disconnected.
1600 *self.opened_buffer.0.borrow_mut() = ();
1601 }
1602 }
1603
1604 pub fn close(&mut self, cx: &mut ModelContext<Self>) {
1605 cx.emit(Event::Closed);
1606 }
1607
1608 pub fn is_read_only(&self) -> bool {
1609 match &self.client_state {
1610 Some(ProjectClientState::Remote {
1611 sharing_has_stopped,
1612 ..
1613 }) => *sharing_has_stopped,
1614 _ => false,
1615 }
1616 }
1617
1618 pub fn is_local(&self) -> bool {
1619 match &self.client_state {
1620 Some(ProjectClientState::Remote { .. }) => false,
1621 _ => true,
1622 }
1623 }
1624
1625 pub fn is_remote(&self) -> bool {
1626 !self.is_local()
1627 }
1628
1629 pub fn create_buffer(
1630 &mut self,
1631 text: &str,
1632 language: Option<Arc<Language>>,
1633 cx: &mut ModelContext<Self>,
1634 ) -> Result<ModelHandle<Buffer>> {
1635 if self.is_remote() {
1636 return Err(anyhow!("creating buffers as a guest is not supported yet"));
1637 }
1638 let id = post_inc(&mut self.next_buffer_id);
1639 let buffer = cx.add_model(|cx| {
1640 Buffer::new(self.replica_id(), id, text)
1641 .with_language(language.unwrap_or_else(|| language::PLAIN_TEXT.clone()), cx)
1642 });
1643 self.register_buffer(&buffer, cx)?;
1644 Ok(buffer)
1645 }
1646
1647 pub fn open_path(
1648 &mut self,
1649 path: impl Into<ProjectPath>,
1650 cx: &mut ModelContext<Self>,
1651 ) -> Task<Result<(ProjectEntryId, AnyModelHandle)>> {
1652 let task = self.open_buffer(path, cx);
1653 cx.spawn_weak(|_, cx| async move {
1654 let buffer = task.await?;
1655 let project_entry_id = buffer
1656 .read_with(&cx, |buffer, cx| {
1657 File::from_dyn(buffer.file()).and_then(|file| file.project_entry_id(cx))
1658 })
1659 .ok_or_else(|| anyhow!("no project entry"))?;
1660
1661 let buffer: &AnyModelHandle = &buffer;
1662 Ok((project_entry_id, buffer.clone()))
1663 })
1664 }
1665
1666 pub fn open_local_buffer(
1667 &mut self,
1668 abs_path: impl AsRef<Path>,
1669 cx: &mut ModelContext<Self>,
1670 ) -> Task<Result<ModelHandle<Buffer>>> {
1671 if let Some((worktree, relative_path)) = self.find_local_worktree(abs_path.as_ref(), cx) {
1672 self.open_buffer((worktree.read(cx).id(), relative_path), cx)
1673 } else {
1674 Task::ready(Err(anyhow!("no such path")))
1675 }
1676 }
1677
1678 pub fn open_buffer(
1679 &mut self,
1680 path: impl Into<ProjectPath>,
1681 cx: &mut ModelContext<Self>,
1682 ) -> Task<Result<ModelHandle<Buffer>>> {
1683 let project_path = path.into();
1684 let worktree = if let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) {
1685 worktree
1686 } else {
1687 return Task::ready(Err(anyhow!("no such worktree")));
1688 };
1689
1690 // If there is already a buffer for the given path, then return it.
1691 let existing_buffer = self.get_open_buffer(&project_path, cx);
1692 if let Some(existing_buffer) = existing_buffer {
1693 return Task::ready(Ok(existing_buffer));
1694 }
1695
1696 let loading_watch = match self.loading_buffers_by_path.entry(project_path.clone()) {
1697 // If the given path is already being loaded, then wait for that existing
1698 // task to complete and return the same buffer.
1699 hash_map::Entry::Occupied(e) => e.get().clone(),
1700
1701 // Otherwise, record the fact that this path is now being loaded.
1702 hash_map::Entry::Vacant(entry) => {
1703 let (mut tx, rx) = postage::watch::channel();
1704 entry.insert(rx.clone());
1705
1706 let load_buffer = if worktree.read(cx).is_local() {
1707 self.open_local_buffer_internal(&project_path.path, &worktree, cx)
1708 } else {
1709 self.open_remote_buffer_internal(&project_path.path, &worktree, cx)
1710 };
1711
1712 cx.spawn(move |this, mut cx| async move {
1713 let load_result = load_buffer.await;
1714 *tx.borrow_mut() = Some(this.update(&mut cx, |this, _| {
1715 // Record the fact that the buffer is no longer loading.
1716 this.loading_buffers_by_path.remove(&project_path);
1717 let buffer = load_result.map_err(Arc::new)?;
1718 Ok(buffer)
1719 }));
1720 })
1721 .detach();
1722 rx
1723 }
1724 };
1725
1726 cx.foreground().spawn(async move {
1727 wait_for_loading_buffer(loading_watch)
1728 .await
1729 .map_err(|error| anyhow!("{}", error))
1730 })
1731 }
1732
1733 fn open_local_buffer_internal(
1734 &mut self,
1735 path: &Arc<Path>,
1736 worktree: &ModelHandle<Worktree>,
1737 cx: &mut ModelContext<Self>,
1738 ) -> Task<Result<ModelHandle<Buffer>>> {
1739 let buffer_id = post_inc(&mut self.next_buffer_id);
1740 let load_buffer = worktree.update(cx, |worktree, cx| {
1741 let worktree = worktree.as_local_mut().unwrap();
1742 worktree.load_buffer(buffer_id, path, cx)
1743 });
1744 cx.spawn(|this, mut cx| async move {
1745 let buffer = load_buffer.await?;
1746 this.update(&mut cx, |this, cx| this.register_buffer(&buffer, cx))?;
1747 Ok(buffer)
1748 })
1749 }
1750
1751 fn open_remote_buffer_internal(
1752 &mut self,
1753 path: &Arc<Path>,
1754 worktree: &ModelHandle<Worktree>,
1755 cx: &mut ModelContext<Self>,
1756 ) -> Task<Result<ModelHandle<Buffer>>> {
1757 let rpc = self.client.clone();
1758 let project_id = self.remote_id().unwrap();
1759 let remote_worktree_id = worktree.read(cx).id();
1760 let path = path.clone();
1761 let path_string = path.to_string_lossy().to_string();
1762 cx.spawn(|this, mut cx| async move {
1763 let response = rpc
1764 .request(proto::OpenBufferByPath {
1765 project_id,
1766 worktree_id: remote_worktree_id.to_proto(),
1767 path: path_string,
1768 })
1769 .await?;
1770 this.update(&mut cx, |this, cx| {
1771 this.wait_for_remote_buffer(response.buffer_id, cx)
1772 })
1773 .await
1774 })
1775 }
1776
1777 /// LanguageServerName is owned, because it is inserted into a map
1778 pub fn open_local_buffer_via_lsp(
1779 &mut self,
1780 abs_path: lsp::Url,
1781 language_server_id: LanguageServerId,
1782 language_server_name: LanguageServerName,
1783 cx: &mut ModelContext<Self>,
1784 ) -> Task<Result<ModelHandle<Buffer>>> {
1785 cx.spawn(|this, mut cx| async move {
1786 let abs_path = abs_path
1787 .to_file_path()
1788 .map_err(|_| anyhow!("can't convert URI to path"))?;
1789 let (worktree, relative_path) = if let Some(result) =
1790 this.read_with(&cx, |this, cx| this.find_local_worktree(&abs_path, cx))
1791 {
1792 result
1793 } else {
1794 let worktree = this
1795 .update(&mut cx, |this, cx| {
1796 this.create_local_worktree(&abs_path, false, cx)
1797 })
1798 .await?;
1799 this.update(&mut cx, |this, cx| {
1800 this.language_server_ids.insert(
1801 (worktree.read(cx).id(), language_server_name),
1802 language_server_id,
1803 );
1804 });
1805 (worktree, PathBuf::new())
1806 };
1807
1808 let project_path = ProjectPath {
1809 worktree_id: worktree.read_with(&cx, |worktree, _| worktree.id()),
1810 path: relative_path.into(),
1811 };
1812 this.update(&mut cx, |this, cx| this.open_buffer(project_path, cx))
1813 .await
1814 })
1815 }
1816
1817 pub fn open_buffer_by_id(
1818 &mut self,
1819 id: u64,
1820 cx: &mut ModelContext<Self>,
1821 ) -> Task<Result<ModelHandle<Buffer>>> {
1822 if let Some(buffer) = self.buffer_for_id(id, cx) {
1823 Task::ready(Ok(buffer))
1824 } else if self.is_local() {
1825 Task::ready(Err(anyhow!("buffer {} does not exist", id)))
1826 } else if let Some(project_id) = self.remote_id() {
1827 let request = self
1828 .client
1829 .request(proto::OpenBufferById { project_id, id });
1830 cx.spawn(|this, mut cx| async move {
1831 let buffer_id = request.await?.buffer_id;
1832 this.update(&mut cx, |this, cx| {
1833 this.wait_for_remote_buffer(buffer_id, cx)
1834 })
1835 .await
1836 })
1837 } else {
1838 Task::ready(Err(anyhow!("cannot open buffer while disconnected")))
1839 }
1840 }
1841
1842 pub fn save_buffers(
1843 &self,
1844 buffers: HashSet<ModelHandle<Buffer>>,
1845 cx: &mut ModelContext<Self>,
1846 ) -> Task<Result<()>> {
1847 cx.spawn(|this, mut cx| async move {
1848 let save_tasks = buffers
1849 .into_iter()
1850 .map(|buffer| this.update(&mut cx, |this, cx| this.save_buffer(buffer, cx)));
1851 try_join_all(save_tasks).await?;
1852 Ok(())
1853 })
1854 }
1855
1856 pub fn save_buffer(
1857 &self,
1858 buffer: ModelHandle<Buffer>,
1859 cx: &mut ModelContext<Self>,
1860 ) -> Task<Result<()>> {
1861 let Some(file) = File::from_dyn(buffer.read(cx).file()) else {
1862 return Task::ready(Err(anyhow!("buffer doesn't have a file")));
1863 };
1864 let worktree = file.worktree.clone();
1865 let path = file.path.clone();
1866 worktree.update(cx, |worktree, cx| match worktree {
1867 Worktree::Local(worktree) => worktree.save_buffer(buffer, path, false, cx),
1868 Worktree::Remote(worktree) => worktree.save_buffer(buffer, cx),
1869 })
1870 }
1871
1872 pub fn save_buffer_as(
1873 &mut self,
1874 buffer: ModelHandle<Buffer>,
1875 abs_path: PathBuf,
1876 cx: &mut ModelContext<Self>,
1877 ) -> Task<Result<()>> {
1878 let worktree_task = self.find_or_create_local_worktree(&abs_path, true, cx);
1879 let old_file = File::from_dyn(buffer.read(cx).file())
1880 .filter(|f| f.is_local())
1881 .cloned();
1882 cx.spawn(|this, mut cx| async move {
1883 if let Some(old_file) = &old_file {
1884 this.update(&mut cx, |this, cx| {
1885 this.unregister_buffer_from_language_servers(&buffer, old_file, cx);
1886 });
1887 }
1888 let (worktree, path) = worktree_task.await?;
1889 worktree
1890 .update(&mut cx, |worktree, cx| match worktree {
1891 Worktree::Local(worktree) => {
1892 worktree.save_buffer(buffer.clone(), path.into(), true, cx)
1893 }
1894 Worktree::Remote(_) => panic!("cannot remote buffers as new files"),
1895 })
1896 .await?;
1897
1898 this.update(&mut cx, |this, cx| {
1899 this.detect_language_for_buffer(&buffer, cx);
1900 this.register_buffer_with_language_servers(&buffer, cx);
1901 });
1902 Ok(())
1903 })
1904 }
1905
1906 pub fn get_open_buffer(
1907 &mut self,
1908 path: &ProjectPath,
1909 cx: &mut ModelContext<Self>,
1910 ) -> Option<ModelHandle<Buffer>> {
1911 let worktree = self.worktree_for_id(path.worktree_id, cx)?;
1912 self.opened_buffers.values().find_map(|buffer| {
1913 let buffer = buffer.upgrade(cx)?;
1914 let file = File::from_dyn(buffer.read(cx).file())?;
1915 if file.worktree == worktree && file.path() == &path.path {
1916 Some(buffer)
1917 } else {
1918 None
1919 }
1920 })
1921 }
1922
1923 fn register_buffer(
1924 &mut self,
1925 buffer: &ModelHandle<Buffer>,
1926 cx: &mut ModelContext<Self>,
1927 ) -> Result<()> {
1928 self.request_buffer_diff_recalculation(buffer, cx);
1929 buffer.update(cx, |buffer, _| {
1930 buffer.set_language_registry(self.languages.clone())
1931 });
1932
1933 let remote_id = buffer.read(cx).remote_id();
1934 let is_remote = self.is_remote();
1935 let open_buffer = if is_remote || self.is_shared() {
1936 OpenBuffer::Strong(buffer.clone())
1937 } else {
1938 OpenBuffer::Weak(buffer.downgrade())
1939 };
1940
1941 match self.opened_buffers.entry(remote_id) {
1942 hash_map::Entry::Vacant(entry) => {
1943 entry.insert(open_buffer);
1944 }
1945 hash_map::Entry::Occupied(mut entry) => {
1946 if let OpenBuffer::Operations(operations) = entry.get_mut() {
1947 buffer.update(cx, |b, cx| b.apply_ops(operations.drain(..), cx))?;
1948 } else if entry.get().upgrade(cx).is_some() {
1949 if is_remote {
1950 return Ok(());
1951 } else {
1952 debug_panic!("buffer {} was already registered", remote_id);
1953 Err(anyhow!("buffer {} was already registered", remote_id))?;
1954 }
1955 }
1956 entry.insert(open_buffer);
1957 }
1958 }
1959 cx.subscribe(buffer, |this, buffer, event, cx| {
1960 this.on_buffer_event(buffer, event, cx);
1961 })
1962 .detach();
1963
1964 if let Some(file) = File::from_dyn(buffer.read(cx).file()) {
1965 if file.is_local {
1966 self.local_buffer_ids_by_path.insert(
1967 ProjectPath {
1968 worktree_id: file.worktree_id(cx),
1969 path: file.path.clone(),
1970 },
1971 remote_id,
1972 );
1973
1974 self.local_buffer_ids_by_entry_id
1975 .insert(file.entry_id, remote_id);
1976 }
1977 }
1978
1979 self.detect_language_for_buffer(buffer, cx);
1980 self.register_buffer_with_language_servers(buffer, cx);
1981 self.register_buffer_with_copilot(buffer, cx);
1982 cx.observe_release(buffer, |this, buffer, cx| {
1983 if let Some(file) = File::from_dyn(buffer.file()) {
1984 if file.is_local() {
1985 let uri = lsp::Url::from_file_path(file.abs_path(cx)).unwrap();
1986 for server in this.language_servers_for_buffer(buffer, cx) {
1987 server
1988 .1
1989 .notify::<lsp::notification::DidCloseTextDocument>(
1990 lsp::DidCloseTextDocumentParams {
1991 text_document: lsp::TextDocumentIdentifier::new(uri.clone()),
1992 },
1993 )
1994 .log_err();
1995 }
1996 }
1997 }
1998 })
1999 .detach();
2000
2001 *self.opened_buffer.0.borrow_mut() = ();
2002 Ok(())
2003 }
2004
2005 fn register_buffer_with_language_servers(
2006 &mut self,
2007 buffer_handle: &ModelHandle<Buffer>,
2008 cx: &mut ModelContext<Self>,
2009 ) {
2010 let buffer = buffer_handle.read(cx);
2011 let buffer_id = buffer.remote_id();
2012
2013 if let Some(file) = File::from_dyn(buffer.file()) {
2014 if !file.is_local() {
2015 return;
2016 }
2017
2018 let abs_path = file.abs_path(cx);
2019 let uri = lsp::Url::from_file_path(&abs_path)
2020 .unwrap_or_else(|()| panic!("Failed to register file {abs_path:?}"));
2021 let initial_snapshot = buffer.text_snapshot();
2022 let language = buffer.language().cloned();
2023 let worktree_id = file.worktree_id(cx);
2024
2025 if let Some(local_worktree) = file.worktree.read(cx).as_local() {
2026 for (server_id, diagnostics) in local_worktree.diagnostics_for_path(file.path()) {
2027 self.update_buffer_diagnostics(buffer_handle, server_id, None, diagnostics, cx)
2028 .log_err();
2029 }
2030 }
2031
2032 if let Some(language) = language {
2033 for adapter in language.lsp_adapters() {
2034 let language_id = adapter.language_ids.get(language.name().as_ref()).cloned();
2035 let server = self
2036 .language_server_ids
2037 .get(&(worktree_id, adapter.name.clone()))
2038 .and_then(|id| self.language_servers.get(id))
2039 .and_then(|server_state| {
2040 if let LanguageServerState::Running { server, .. } = server_state {
2041 Some(server.clone())
2042 } else {
2043 None
2044 }
2045 });
2046 let server = match server {
2047 Some(server) => server,
2048 None => continue,
2049 };
2050
2051 server
2052 .notify::<lsp::notification::DidOpenTextDocument>(
2053 lsp::DidOpenTextDocumentParams {
2054 text_document: lsp::TextDocumentItem::new(
2055 uri.clone(),
2056 language_id.unwrap_or_default(),
2057 0,
2058 initial_snapshot.text(),
2059 ),
2060 },
2061 )
2062 .log_err();
2063
2064 buffer_handle.update(cx, |buffer, cx| {
2065 buffer.set_completion_triggers(
2066 server
2067 .capabilities()
2068 .completion_provider
2069 .as_ref()
2070 .and_then(|provider| provider.trigger_characters.clone())
2071 .unwrap_or_default(),
2072 cx,
2073 );
2074 });
2075
2076 let snapshot = LspBufferSnapshot {
2077 version: 0,
2078 snapshot: initial_snapshot.clone(),
2079 };
2080 self.buffer_snapshots
2081 .entry(buffer_id)
2082 .or_default()
2083 .insert(server.server_id(), vec![snapshot]);
2084 }
2085 }
2086 }
2087 }
2088
2089 fn unregister_buffer_from_language_servers(
2090 &mut self,
2091 buffer: &ModelHandle<Buffer>,
2092 old_file: &File,
2093 cx: &mut ModelContext<Self>,
2094 ) {
2095 let old_path = match old_file.as_local() {
2096 Some(local) => local.abs_path(cx),
2097 None => return,
2098 };
2099
2100 buffer.update(cx, |buffer, cx| {
2101 let worktree_id = old_file.worktree_id(cx);
2102 let ids = &self.language_server_ids;
2103
2104 let language = buffer.language().cloned();
2105 let adapters = language.iter().flat_map(|language| language.lsp_adapters());
2106 for &server_id in adapters.flat_map(|a| ids.get(&(worktree_id, a.name.clone()))) {
2107 buffer.update_diagnostics(server_id, Default::default(), cx);
2108 }
2109
2110 self.buffer_snapshots.remove(&buffer.remote_id());
2111 let file_url = lsp::Url::from_file_path(old_path).unwrap();
2112 for (_, language_server) in self.language_servers_for_buffer(buffer, cx) {
2113 language_server
2114 .notify::<lsp::notification::DidCloseTextDocument>(
2115 lsp::DidCloseTextDocumentParams {
2116 text_document: lsp::TextDocumentIdentifier::new(file_url.clone()),
2117 },
2118 )
2119 .log_err();
2120 }
2121 });
2122 }
2123
2124 fn register_buffer_with_copilot(
2125 &self,
2126 buffer_handle: &ModelHandle<Buffer>,
2127 cx: &mut ModelContext<Self>,
2128 ) {
2129 if let Some(copilot) = Copilot::global(cx) {
2130 copilot.update(cx, |copilot, cx| copilot.register_buffer(buffer_handle, cx));
2131 }
2132 }
2133
2134 async fn send_buffer_ordered_messages(
2135 this: WeakModelHandle<Self>,
2136 rx: UnboundedReceiver<BufferOrderedMessage>,
2137 mut cx: AsyncAppContext,
2138 ) -> Option<()> {
2139 const MAX_BATCH_SIZE: usize = 128;
2140
2141 let mut operations_by_buffer_id = HashMap::default();
2142 async fn flush_operations(
2143 this: &ModelHandle<Project>,
2144 operations_by_buffer_id: &mut HashMap<u64, Vec<proto::Operation>>,
2145 needs_resync_with_host: &mut bool,
2146 is_local: bool,
2147 cx: &AsyncAppContext,
2148 ) {
2149 for (buffer_id, operations) in operations_by_buffer_id.drain() {
2150 let request = this.read_with(cx, |this, _| {
2151 let project_id = this.remote_id()?;
2152 Some(this.client.request(proto::UpdateBuffer {
2153 buffer_id,
2154 project_id,
2155 operations,
2156 }))
2157 });
2158 if let Some(request) = request {
2159 if request.await.is_err() && !is_local {
2160 *needs_resync_with_host = true;
2161 break;
2162 }
2163 }
2164 }
2165 }
2166
2167 let mut needs_resync_with_host = false;
2168 let mut changes = rx.ready_chunks(MAX_BATCH_SIZE);
2169
2170 while let Some(changes) = changes.next().await {
2171 let this = this.upgrade(&mut cx)?;
2172 let is_local = this.read_with(&cx, |this, _| this.is_local());
2173
2174 for change in changes {
2175 match change {
2176 BufferOrderedMessage::Operation {
2177 buffer_id,
2178 operation,
2179 } => {
2180 if needs_resync_with_host {
2181 continue;
2182 }
2183
2184 operations_by_buffer_id
2185 .entry(buffer_id)
2186 .or_insert(Vec::new())
2187 .push(operation);
2188 }
2189
2190 BufferOrderedMessage::Resync => {
2191 operations_by_buffer_id.clear();
2192 if this
2193 .update(&mut cx, |this, cx| this.synchronize_remote_buffers(cx))
2194 .await
2195 .is_ok()
2196 {
2197 needs_resync_with_host = false;
2198 }
2199 }
2200
2201 BufferOrderedMessage::LanguageServerUpdate {
2202 language_server_id,
2203 message,
2204 } => {
2205 flush_operations(
2206 &this,
2207 &mut operations_by_buffer_id,
2208 &mut needs_resync_with_host,
2209 is_local,
2210 &cx,
2211 )
2212 .await;
2213
2214 this.read_with(&cx, |this, _| {
2215 if let Some(project_id) = this.remote_id() {
2216 this.client
2217 .send(proto::UpdateLanguageServer {
2218 project_id,
2219 language_server_id: language_server_id.0 as u64,
2220 variant: Some(message),
2221 })
2222 .log_err();
2223 }
2224 });
2225 }
2226 }
2227 }
2228
2229 flush_operations(
2230 &this,
2231 &mut operations_by_buffer_id,
2232 &mut needs_resync_with_host,
2233 is_local,
2234 &cx,
2235 )
2236 .await;
2237 }
2238
2239 None
2240 }
2241
2242 fn on_buffer_event(
2243 &mut self,
2244 buffer: ModelHandle<Buffer>,
2245 event: &BufferEvent,
2246 cx: &mut ModelContext<Self>,
2247 ) -> Option<()> {
2248 if matches!(
2249 event,
2250 BufferEvent::Edited { .. } | BufferEvent::Reloaded | BufferEvent::DiffBaseChanged
2251 ) {
2252 self.request_buffer_diff_recalculation(&buffer, cx);
2253 }
2254
2255 match event {
2256 BufferEvent::Operation(operation) => {
2257 self.buffer_ordered_messages_tx
2258 .unbounded_send(BufferOrderedMessage::Operation {
2259 buffer_id: buffer.read(cx).remote_id(),
2260 operation: language::proto::serialize_operation(operation),
2261 })
2262 .ok();
2263 }
2264
2265 BufferEvent::Edited { .. } => {
2266 let buffer = buffer.read(cx);
2267 let file = File::from_dyn(buffer.file())?;
2268 let abs_path = file.as_local()?.abs_path(cx);
2269 let uri = lsp::Url::from_file_path(abs_path).unwrap();
2270 let next_snapshot = buffer.text_snapshot();
2271
2272 let language_servers: Vec<_> = self
2273 .language_servers_for_buffer(buffer, cx)
2274 .map(|i| i.1.clone())
2275 .collect();
2276
2277 for language_server in language_servers {
2278 let language_server = language_server.clone();
2279
2280 let buffer_snapshots = self
2281 .buffer_snapshots
2282 .get_mut(&buffer.remote_id())
2283 .and_then(|m| m.get_mut(&language_server.server_id()))?;
2284 let previous_snapshot = buffer_snapshots.last()?;
2285
2286 let build_incremental_change = || {
2287 buffer
2288 .edits_since::<(PointUtf16, usize)>(
2289 previous_snapshot.snapshot.version(),
2290 )
2291 .map(|edit| {
2292 let edit_start = edit.new.start.0;
2293 let edit_end = edit_start + (edit.old.end.0 - edit.old.start.0);
2294 let new_text = next_snapshot
2295 .text_for_range(edit.new.start.1..edit.new.end.1)
2296 .collect();
2297 lsp::TextDocumentContentChangeEvent {
2298 range: Some(lsp::Range::new(
2299 point_to_lsp(edit_start),
2300 point_to_lsp(edit_end),
2301 )),
2302 range_length: None,
2303 text: new_text,
2304 }
2305 })
2306 .collect()
2307 };
2308
2309 let document_sync_kind = language_server
2310 .capabilities()
2311 .text_document_sync
2312 .as_ref()
2313 .and_then(|sync| match sync {
2314 lsp::TextDocumentSyncCapability::Kind(kind) => Some(*kind),
2315 lsp::TextDocumentSyncCapability::Options(options) => options.change,
2316 });
2317
2318 let content_changes: Vec<_> = match document_sync_kind {
2319 Some(lsp::TextDocumentSyncKind::FULL) => {
2320 vec![lsp::TextDocumentContentChangeEvent {
2321 range: None,
2322 range_length: None,
2323 text: next_snapshot.text(),
2324 }]
2325 }
2326 Some(lsp::TextDocumentSyncKind::INCREMENTAL) => build_incremental_change(),
2327 _ => {
2328 #[cfg(any(test, feature = "test-support"))]
2329 {
2330 build_incremental_change()
2331 }
2332
2333 #[cfg(not(any(test, feature = "test-support")))]
2334 {
2335 continue;
2336 }
2337 }
2338 };
2339
2340 let next_version = previous_snapshot.version + 1;
2341
2342 buffer_snapshots.push(LspBufferSnapshot {
2343 version: next_version,
2344 snapshot: next_snapshot.clone(),
2345 });
2346
2347 language_server
2348 .notify::<lsp::notification::DidChangeTextDocument>(
2349 lsp::DidChangeTextDocumentParams {
2350 text_document: lsp::VersionedTextDocumentIdentifier::new(
2351 uri.clone(),
2352 next_version,
2353 ),
2354 content_changes,
2355 },
2356 )
2357 .log_err();
2358 }
2359 }
2360
2361 BufferEvent::Saved => {
2362 let file = File::from_dyn(buffer.read(cx).file())?;
2363 let worktree_id = file.worktree_id(cx);
2364 let abs_path = file.as_local()?.abs_path(cx);
2365 let text_document = lsp::TextDocumentIdentifier {
2366 uri: lsp::Url::from_file_path(abs_path).unwrap(),
2367 };
2368
2369 for (_, _, server) in self.language_servers_for_worktree(worktree_id) {
2370 let text = include_text(server.as_ref()).then(|| buffer.read(cx).text());
2371
2372 server
2373 .notify::<lsp::notification::DidSaveTextDocument>(
2374 lsp::DidSaveTextDocumentParams {
2375 text_document: text_document.clone(),
2376 text,
2377 },
2378 )
2379 .log_err();
2380 }
2381
2382 let language_server_ids = self.language_server_ids_for_buffer(buffer.read(cx), cx);
2383 for language_server_id in language_server_ids {
2384 if let Some(LanguageServerState::Running {
2385 adapter,
2386 simulate_disk_based_diagnostics_completion,
2387 ..
2388 }) = self.language_servers.get_mut(&language_server_id)
2389 {
2390 // After saving a buffer using a language server that doesn't provide
2391 // a disk-based progress token, kick off a timer that will reset every
2392 // time the buffer is saved. If the timer eventually fires, simulate
2393 // disk-based diagnostics being finished so that other pieces of UI
2394 // (e.g., project diagnostics view, diagnostic status bar) can update.
2395 // We don't emit an event right away because the language server might take
2396 // some time to publish diagnostics.
2397 if adapter.disk_based_diagnostics_progress_token.is_none() {
2398 const DISK_BASED_DIAGNOSTICS_DEBOUNCE: Duration =
2399 Duration::from_secs(1);
2400
2401 let task = cx.spawn_weak(|this, mut cx| async move {
2402 cx.background().timer(DISK_BASED_DIAGNOSTICS_DEBOUNCE).await;
2403 if let Some(this) = this.upgrade(&cx) {
2404 this.update(&mut cx, |this, cx| {
2405 this.disk_based_diagnostics_finished(
2406 language_server_id,
2407 cx,
2408 );
2409 this.buffer_ordered_messages_tx
2410 .unbounded_send(
2411 BufferOrderedMessage::LanguageServerUpdate {
2412 language_server_id,
2413 message:proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(Default::default())
2414 },
2415 )
2416 .ok();
2417 });
2418 }
2419 });
2420 *simulate_disk_based_diagnostics_completion = Some(task);
2421 }
2422 }
2423 }
2424 }
2425 BufferEvent::FileHandleChanged => {
2426 let Some(file) = File::from_dyn(buffer.read(cx).file()) else {
2427 return None;
2428 };
2429
2430 match self.local_buffer_ids_by_entry_id.get(&file.entry_id) {
2431 Some(_) => {
2432 return None;
2433 }
2434 None => {
2435 let remote_id = buffer.read(cx).remote_id();
2436 self.local_buffer_ids_by_entry_id
2437 .insert(file.entry_id, remote_id);
2438
2439 self.local_buffer_ids_by_path.insert(
2440 ProjectPath {
2441 worktree_id: file.worktree_id(cx),
2442 path: file.path.clone(),
2443 },
2444 remote_id,
2445 );
2446 }
2447 }
2448 }
2449 _ => {}
2450 }
2451
2452 None
2453 }
2454
2455 fn request_buffer_diff_recalculation(
2456 &mut self,
2457 buffer: &ModelHandle<Buffer>,
2458 cx: &mut ModelContext<Self>,
2459 ) {
2460 self.buffers_needing_diff.insert(buffer.downgrade());
2461 let first_insertion = self.buffers_needing_diff.len() == 1;
2462
2463 let settings = settings::get::<ProjectSettings>(cx);
2464 let delay = if let Some(delay) = settings.git.gutter_debounce {
2465 delay
2466 } else {
2467 if first_insertion {
2468 let this = cx.weak_handle();
2469 cx.defer(move |cx| {
2470 if let Some(this) = this.upgrade(cx) {
2471 this.update(cx, |this, cx| {
2472 this.recalculate_buffer_diffs(cx).detach();
2473 });
2474 }
2475 });
2476 }
2477 return;
2478 };
2479
2480 const MIN_DELAY: u64 = 50;
2481 let delay = delay.max(MIN_DELAY);
2482 let duration = Duration::from_millis(delay);
2483
2484 self.git_diff_debouncer
2485 .fire_new(duration, cx, move |this, cx| {
2486 this.recalculate_buffer_diffs(cx)
2487 });
2488 }
2489
2490 fn recalculate_buffer_diffs(&mut self, cx: &mut ModelContext<Self>) -> Task<()> {
2491 cx.spawn(|this, mut cx| async move {
2492 let buffers: Vec<_> = this.update(&mut cx, |this, _| {
2493 this.buffers_needing_diff.drain().collect()
2494 });
2495
2496 let tasks: Vec<_> = this.update(&mut cx, |_, cx| {
2497 buffers
2498 .iter()
2499 .filter_map(|buffer| {
2500 let buffer = buffer.upgrade(cx)?;
2501 buffer.update(cx, |buffer, cx| buffer.git_diff_recalc(cx))
2502 })
2503 .collect()
2504 });
2505
2506 futures::future::join_all(tasks).await;
2507
2508 this.update(&mut cx, |this, cx| {
2509 if !this.buffers_needing_diff.is_empty() {
2510 this.recalculate_buffer_diffs(cx).detach();
2511 } else {
2512 // TODO: Would a `ModelContext<Project>.notify()` suffice here?
2513 for buffer in buffers {
2514 if let Some(buffer) = buffer.upgrade(cx) {
2515 buffer.update(cx, |_, cx| cx.notify());
2516 }
2517 }
2518 }
2519 });
2520 })
2521 }
2522
2523 fn language_servers_for_worktree(
2524 &self,
2525 worktree_id: WorktreeId,
2526 ) -> impl Iterator<Item = (&Arc<CachedLspAdapter>, &Arc<Language>, &Arc<LanguageServer>)> {
2527 self.language_server_ids
2528 .iter()
2529 .filter_map(move |((language_server_worktree_id, _), id)| {
2530 if *language_server_worktree_id == worktree_id {
2531 if let Some(LanguageServerState::Running {
2532 adapter,
2533 language,
2534 server,
2535 ..
2536 }) = self.language_servers.get(id)
2537 {
2538 return Some((adapter, language, server));
2539 }
2540 }
2541 None
2542 })
2543 }
2544
2545 fn maintain_buffer_languages(
2546 languages: Arc<LanguageRegistry>,
2547 cx: &mut ModelContext<Project>,
2548 ) -> Task<()> {
2549 let mut subscription = languages.subscribe();
2550 let mut prev_reload_count = languages.reload_count();
2551 cx.spawn_weak(|project, mut cx| async move {
2552 while let Some(()) = subscription.next().await {
2553 if let Some(project) = project.upgrade(&cx) {
2554 // If the language registry has been reloaded, then remove and
2555 // re-assign the languages on all open buffers.
2556 let reload_count = languages.reload_count();
2557 if reload_count > prev_reload_count {
2558 prev_reload_count = reload_count;
2559 project.update(&mut cx, |this, cx| {
2560 let buffers = this
2561 .opened_buffers
2562 .values()
2563 .filter_map(|b| b.upgrade(cx))
2564 .collect::<Vec<_>>();
2565 for buffer in buffers {
2566 if let Some(f) = File::from_dyn(buffer.read(cx).file()).cloned() {
2567 this.unregister_buffer_from_language_servers(&buffer, &f, cx);
2568 buffer.update(cx, |buffer, cx| buffer.set_language(None, cx));
2569 }
2570 }
2571 });
2572 }
2573
2574 project.update(&mut cx, |project, cx| {
2575 let mut plain_text_buffers = Vec::new();
2576 let mut buffers_with_unknown_injections = Vec::new();
2577 for buffer in project.opened_buffers.values() {
2578 if let Some(handle) = buffer.upgrade(cx) {
2579 let buffer = &handle.read(cx);
2580 if buffer.language().is_none()
2581 || buffer.language() == Some(&*language::PLAIN_TEXT)
2582 {
2583 plain_text_buffers.push(handle);
2584 } else if buffer.contains_unknown_injections() {
2585 buffers_with_unknown_injections.push(handle);
2586 }
2587 }
2588 }
2589
2590 for buffer in plain_text_buffers {
2591 project.detect_language_for_buffer(&buffer, cx);
2592 project.register_buffer_with_language_servers(&buffer, cx);
2593 }
2594
2595 for buffer in buffers_with_unknown_injections {
2596 buffer.update(cx, |buffer, cx| buffer.reparse(cx));
2597 }
2598 });
2599 }
2600 }
2601 })
2602 }
2603
2604 fn maintain_workspace_config(cx: &mut ModelContext<Project>) -> Task<()> {
2605 let (mut settings_changed_tx, mut settings_changed_rx) = watch::channel();
2606 let _ = postage::stream::Stream::try_recv(&mut settings_changed_rx);
2607
2608 let settings_observation = cx.observe_global::<SettingsStore, _>(move |_, _| {
2609 *settings_changed_tx.borrow_mut() = ();
2610 });
2611
2612 cx.spawn_weak(|this, mut cx| async move {
2613 while let Some(_) = settings_changed_rx.next().await {
2614 let Some(this) = this.upgrade(&cx) else {
2615 break;
2616 };
2617
2618 let servers: Vec<_> = this.read_with(&cx, |this, _| {
2619 this.language_servers
2620 .values()
2621 .filter_map(|state| match state {
2622 LanguageServerState::Starting(_) => None,
2623 LanguageServerState::Running {
2624 adapter, server, ..
2625 } => Some((adapter.clone(), server.clone())),
2626 })
2627 .collect()
2628 });
2629
2630 for (adapter, server) in servers {
2631 let workspace_config =
2632 cx.update(|cx| adapter.workspace_configuration(cx)).await;
2633 server
2634 .notify::<lsp::notification::DidChangeConfiguration>(
2635 lsp::DidChangeConfigurationParams {
2636 settings: workspace_config.clone(),
2637 },
2638 )
2639 .ok();
2640 }
2641 }
2642
2643 drop(settings_observation);
2644 })
2645 }
2646
2647 fn detect_language_for_buffer(
2648 &mut self,
2649 buffer_handle: &ModelHandle<Buffer>,
2650 cx: &mut ModelContext<Self>,
2651 ) -> Option<()> {
2652 // If the buffer has a language, set it and start the language server if we haven't already.
2653 let buffer = buffer_handle.read(cx);
2654 let full_path = buffer.file()?.full_path(cx);
2655 let content = buffer.as_rope();
2656 let new_language = self
2657 .languages
2658 .language_for_file(&full_path, Some(content))
2659 .now_or_never()?
2660 .ok()?;
2661 self.set_language_for_buffer(buffer_handle, new_language, cx);
2662 None
2663 }
2664
2665 pub fn set_language_for_buffer(
2666 &mut self,
2667 buffer: &ModelHandle<Buffer>,
2668 new_language: Arc<Language>,
2669 cx: &mut ModelContext<Self>,
2670 ) {
2671 buffer.update(cx, |buffer, cx| {
2672 if buffer.language().map_or(true, |old_language| {
2673 !Arc::ptr_eq(old_language, &new_language)
2674 }) {
2675 buffer.set_language(Some(new_language.clone()), cx);
2676 }
2677 });
2678
2679 let buffer_file = buffer.read(cx).file().cloned();
2680 let settings = language_settings(Some(&new_language), buffer_file.as_ref(), cx).clone();
2681 let buffer_file = File::from_dyn(buffer_file.as_ref());
2682 let worktree = buffer_file.as_ref().map(|f| f.worktree_id(cx));
2683
2684 self.install_default_formatters(worktree, &new_language, &settings, cx)
2685 .detach_and_log_err(cx);
2686 if let Some(file) = buffer_file {
2687 let worktree = file.worktree.clone();
2688 if let Some(tree) = worktree.read(cx).as_local() {
2689 self.start_language_servers(&worktree, tree.abs_path().clone(), new_language, cx);
2690 }
2691 }
2692 }
2693
2694 fn start_language_servers(
2695 &mut self,
2696 worktree: &ModelHandle<Worktree>,
2697 worktree_path: Arc<Path>,
2698 language: Arc<Language>,
2699 cx: &mut ModelContext<Self>,
2700 ) {
2701 let root_file = worktree.update(cx, |tree, cx| tree.root_file(cx));
2702 let settings = language_settings(Some(&language), root_file.map(|f| f as _).as_ref(), cx);
2703 if !settings.enable_language_server {
2704 return;
2705 }
2706
2707 let worktree_id = worktree.read(cx).id();
2708 for adapter in language.lsp_adapters() {
2709 self.start_language_server(
2710 worktree_id,
2711 worktree_path.clone(),
2712 adapter.clone(),
2713 language.clone(),
2714 cx,
2715 );
2716 }
2717 }
2718
2719 fn start_language_server(
2720 &mut self,
2721 worktree_id: WorktreeId,
2722 worktree_path: Arc<Path>,
2723 adapter: Arc<CachedLspAdapter>,
2724 language: Arc<Language>,
2725 cx: &mut ModelContext<Self>,
2726 ) {
2727 if adapter.reinstall_attempt_count.load(SeqCst) > MAX_SERVER_REINSTALL_ATTEMPT_COUNT {
2728 return;
2729 }
2730
2731 let key = (worktree_id, adapter.name.clone());
2732 if self.language_server_ids.contains_key(&key) {
2733 return;
2734 }
2735
2736 let stderr_capture = Arc::new(Mutex::new(Some(String::new())));
2737 let pending_server = match self.languages.create_pending_language_server(
2738 stderr_capture.clone(),
2739 language.clone(),
2740 adapter.clone(),
2741 worktree_path,
2742 ProjectLspAdapterDelegate::new(self, cx),
2743 cx,
2744 ) {
2745 Some(pending_server) => pending_server,
2746 None => return,
2747 };
2748
2749 let project_settings = settings::get::<ProjectSettings>(cx);
2750 let lsp = project_settings.lsp.get(&adapter.name.0);
2751 let override_options = lsp.map(|s| s.initialization_options.clone()).flatten();
2752
2753 let server_id = pending_server.server_id;
2754 let container_dir = pending_server.container_dir.clone();
2755 let state = LanguageServerState::Starting({
2756 let adapter = adapter.clone();
2757 let server_name = adapter.name.0.clone();
2758 let language = language.clone();
2759 let key = key.clone();
2760
2761 cx.spawn_weak(|this, mut cx| async move {
2762 let result = Self::setup_and_insert_language_server(
2763 this,
2764 override_options,
2765 pending_server,
2766 adapter.clone(),
2767 language.clone(),
2768 server_id,
2769 key,
2770 &mut cx,
2771 )
2772 .await;
2773
2774 match result {
2775 Ok(server) => {
2776 stderr_capture.lock().take();
2777 Some(server)
2778 }
2779
2780 Err(err) => {
2781 log::error!("failed to start language server {server_name:?}: {err}");
2782 log::error!("server stderr: {:?}", stderr_capture.lock().take());
2783
2784 let this = this.upgrade(&cx)?;
2785 let container_dir = container_dir?;
2786
2787 let attempt_count = adapter.reinstall_attempt_count.fetch_add(1, SeqCst);
2788 if attempt_count >= MAX_SERVER_REINSTALL_ATTEMPT_COUNT {
2789 let max = MAX_SERVER_REINSTALL_ATTEMPT_COUNT;
2790 log::error!(
2791 "Hit {max} max reinstallation attempts for {server_name:?}"
2792 );
2793 return None;
2794 }
2795
2796 let installation_test_binary = adapter
2797 .installation_test_binary(container_dir.to_path_buf())
2798 .await;
2799
2800 this.update(&mut cx, |_, cx| {
2801 Self::check_errored_server(
2802 language,
2803 adapter,
2804 server_id,
2805 installation_test_binary,
2806 cx,
2807 )
2808 });
2809
2810 None
2811 }
2812 }
2813 })
2814 });
2815
2816 self.language_servers.insert(server_id, state);
2817 self.language_server_ids.insert(key, server_id);
2818 }
2819
2820 fn reinstall_language_server(
2821 &mut self,
2822 language: Arc<Language>,
2823 adapter: Arc<CachedLspAdapter>,
2824 server_id: LanguageServerId,
2825 cx: &mut ModelContext<Self>,
2826 ) -> Option<Task<()>> {
2827 log::info!("beginning to reinstall server");
2828
2829 let existing_server = match self.language_servers.remove(&server_id) {
2830 Some(LanguageServerState::Running { server, .. }) => Some(server),
2831 _ => None,
2832 };
2833
2834 for worktree in &self.worktrees {
2835 if let Some(worktree) = worktree.upgrade(cx) {
2836 let key = (worktree.read(cx).id(), adapter.name.clone());
2837 self.language_server_ids.remove(&key);
2838 }
2839 }
2840
2841 Some(cx.spawn(move |this, mut cx| async move {
2842 if let Some(task) = existing_server.and_then(|server| server.shutdown()) {
2843 log::info!("shutting down existing server");
2844 task.await;
2845 }
2846
2847 // TODO: This is race-safe with regards to preventing new instances from
2848 // starting while deleting, but existing instances in other projects are going
2849 // to be very confused and messed up
2850 this.update(&mut cx, |this, cx| {
2851 this.languages.delete_server_container(adapter.clone(), cx)
2852 })
2853 .await;
2854
2855 this.update(&mut cx, |this, mut cx| {
2856 let worktrees = this.worktrees.clone();
2857 for worktree in worktrees {
2858 let worktree = match worktree.upgrade(cx) {
2859 Some(worktree) => worktree.read(cx),
2860 None => continue,
2861 };
2862 let worktree_id = worktree.id();
2863 let root_path = worktree.abs_path();
2864
2865 this.start_language_server(
2866 worktree_id,
2867 root_path,
2868 adapter.clone(),
2869 language.clone(),
2870 &mut cx,
2871 );
2872 }
2873 })
2874 }))
2875 }
2876
2877 async fn setup_and_insert_language_server(
2878 this: WeakModelHandle<Self>,
2879 override_initialization_options: Option<serde_json::Value>,
2880 pending_server: PendingLanguageServer,
2881 adapter: Arc<CachedLspAdapter>,
2882 language: Arc<Language>,
2883 server_id: LanguageServerId,
2884 key: (WorktreeId, LanguageServerName),
2885 cx: &mut AsyncAppContext,
2886 ) -> Result<Arc<LanguageServer>> {
2887 let language_server = Self::setup_pending_language_server(
2888 this,
2889 override_initialization_options,
2890 pending_server,
2891 adapter.clone(),
2892 server_id,
2893 cx,
2894 )
2895 .await?;
2896
2897 let this = match this.upgrade(cx) {
2898 Some(this) => this,
2899 None => return Err(anyhow!("failed to upgrade project handle")),
2900 };
2901
2902 this.update(cx, |this, cx| {
2903 this.insert_newly_running_language_server(
2904 language,
2905 adapter,
2906 language_server.clone(),
2907 server_id,
2908 key,
2909 cx,
2910 )
2911 })?;
2912
2913 Ok(language_server)
2914 }
2915
2916 async fn setup_pending_language_server(
2917 this: WeakModelHandle<Self>,
2918 override_options: Option<serde_json::Value>,
2919 pending_server: PendingLanguageServer,
2920 adapter: Arc<CachedLspAdapter>,
2921 server_id: LanguageServerId,
2922 cx: &mut AsyncAppContext,
2923 ) -> Result<Arc<LanguageServer>> {
2924 let workspace_config = cx.update(|cx| adapter.workspace_configuration(cx)).await;
2925 let language_server = pending_server.task.await?;
2926
2927 language_server
2928 .on_notification::<lsp::notification::PublishDiagnostics, _>({
2929 let adapter = adapter.clone();
2930 move |mut params, mut cx| {
2931 let this = this;
2932 let adapter = adapter.clone();
2933 if let Some(this) = this.upgrade(&cx) {
2934 adapter.process_diagnostics(&mut params);
2935 this.update(&mut cx, |this, cx| {
2936 this.update_diagnostics(
2937 server_id,
2938 params,
2939 &adapter.disk_based_diagnostic_sources,
2940 cx,
2941 )
2942 .log_err();
2943 });
2944 }
2945 }
2946 })
2947 .detach();
2948
2949 language_server
2950 .on_request::<lsp::request::WorkspaceConfiguration, _, _>({
2951 let adapter = adapter.clone();
2952 move |params, mut cx| {
2953 let adapter = adapter.clone();
2954 async move {
2955 let workspace_config =
2956 cx.update(|cx| adapter.workspace_configuration(cx)).await;
2957 Ok(params
2958 .items
2959 .into_iter()
2960 .map(|item| {
2961 if let Some(section) = &item.section {
2962 workspace_config
2963 .get(section)
2964 .cloned()
2965 .unwrap_or(serde_json::Value::Null)
2966 } else {
2967 workspace_config.clone()
2968 }
2969 })
2970 .collect())
2971 }
2972 }
2973 })
2974 .detach();
2975
2976 // Even though we don't have handling for these requests, respond to them to
2977 // avoid stalling any language server like `gopls` which waits for a response
2978 // to these requests when initializing.
2979 language_server
2980 .on_request::<lsp::request::WorkDoneProgressCreate, _, _>(
2981 move |params, mut cx| async move {
2982 if let Some(this) = this.upgrade(&cx) {
2983 this.update(&mut cx, |this, _| {
2984 if let Some(status) = this.language_server_statuses.get_mut(&server_id)
2985 {
2986 if let lsp::NumberOrString::String(token) = params.token {
2987 status.progress_tokens.insert(token);
2988 }
2989 }
2990 });
2991 }
2992 Ok(())
2993 },
2994 )
2995 .detach();
2996
2997 language_server
2998 .on_request::<lsp::request::RegisterCapability, _, _>({
2999 move |params, mut cx| async move {
3000 let this = this
3001 .upgrade(&cx)
3002 .ok_or_else(|| anyhow!("project dropped"))?;
3003 for reg in params.registrations {
3004 if reg.method == "workspace/didChangeWatchedFiles" {
3005 if let Some(options) = reg.register_options {
3006 let options = serde_json::from_value(options)?;
3007 this.update(&mut cx, |this, cx| {
3008 this.on_lsp_did_change_watched_files(server_id, options, cx);
3009 });
3010 }
3011 }
3012 }
3013 Ok(())
3014 }
3015 })
3016 .detach();
3017
3018 language_server
3019 .on_request::<lsp::request::ApplyWorkspaceEdit, _, _>({
3020 let adapter = adapter.clone();
3021 move |params, cx| {
3022 Self::on_lsp_workspace_edit(this, params, server_id, adapter.clone(), cx)
3023 }
3024 })
3025 .detach();
3026
3027 language_server
3028 .on_request::<lsp::request::InlayHintRefreshRequest, _, _>({
3029 move |(), mut cx| async move {
3030 let this = this
3031 .upgrade(&cx)
3032 .ok_or_else(|| anyhow!("project dropped"))?;
3033 this.update(&mut cx, |project, cx| {
3034 cx.emit(Event::RefreshInlayHints);
3035 project.remote_id().map(|project_id| {
3036 project.client.send(proto::RefreshInlayHints { project_id })
3037 })
3038 })
3039 .transpose()?;
3040 Ok(())
3041 }
3042 })
3043 .detach();
3044
3045 let disk_based_diagnostics_progress_token =
3046 adapter.disk_based_diagnostics_progress_token.clone();
3047
3048 language_server
3049 .on_notification::<lsp::notification::Progress, _>(move |params, mut cx| {
3050 if let Some(this) = this.upgrade(&cx) {
3051 this.update(&mut cx, |this, cx| {
3052 this.on_lsp_progress(
3053 params,
3054 server_id,
3055 disk_based_diagnostics_progress_token.clone(),
3056 cx,
3057 );
3058 });
3059 }
3060 })
3061 .detach();
3062
3063 let mut initialization_options = adapter.adapter.initialization_options().await;
3064 match (&mut initialization_options, override_options) {
3065 (Some(initialization_options), Some(override_options)) => {
3066 merge_json_value_into(override_options, initialization_options);
3067 }
3068 (None, override_options) => initialization_options = override_options,
3069 _ => {}
3070 }
3071
3072 let language_server = language_server.initialize(initialization_options).await?;
3073
3074 language_server
3075 .notify::<lsp::notification::DidChangeConfiguration>(
3076 lsp::DidChangeConfigurationParams {
3077 settings: workspace_config,
3078 },
3079 )
3080 .ok();
3081
3082 Ok(language_server)
3083 }
3084
3085 fn insert_newly_running_language_server(
3086 &mut self,
3087 language: Arc<Language>,
3088 adapter: Arc<CachedLspAdapter>,
3089 language_server: Arc<LanguageServer>,
3090 server_id: LanguageServerId,
3091 key: (WorktreeId, LanguageServerName),
3092 cx: &mut ModelContext<Self>,
3093 ) -> Result<()> {
3094 // If the language server for this key doesn't match the server id, don't store the
3095 // server. Which will cause it to be dropped, killing the process
3096 if self
3097 .language_server_ids
3098 .get(&key)
3099 .map(|id| id != &server_id)
3100 .unwrap_or(false)
3101 {
3102 return Ok(());
3103 }
3104
3105 // Update language_servers collection with Running variant of LanguageServerState
3106 // indicating that the server is up and running and ready
3107 self.language_servers.insert(
3108 server_id,
3109 LanguageServerState::Running {
3110 adapter: adapter.clone(),
3111 language: language.clone(),
3112 watched_paths: Default::default(),
3113 server: language_server.clone(),
3114 simulate_disk_based_diagnostics_completion: None,
3115 },
3116 );
3117
3118 self.language_server_statuses.insert(
3119 server_id,
3120 LanguageServerStatus {
3121 name: language_server.name().to_string(),
3122 pending_work: Default::default(),
3123 has_pending_diagnostic_updates: false,
3124 progress_tokens: Default::default(),
3125 },
3126 );
3127
3128 cx.emit(Event::LanguageServerAdded(server_id));
3129
3130 if let Some(project_id) = self.remote_id() {
3131 self.client.send(proto::StartLanguageServer {
3132 project_id,
3133 server: Some(proto::LanguageServer {
3134 id: server_id.0 as u64,
3135 name: language_server.name().to_string(),
3136 }),
3137 })?;
3138 }
3139
3140 // Tell the language server about every open buffer in the worktree that matches the language.
3141 for buffer in self.opened_buffers.values() {
3142 if let Some(buffer_handle) = buffer.upgrade(cx) {
3143 let buffer = buffer_handle.read(cx);
3144 let file = match File::from_dyn(buffer.file()) {
3145 Some(file) => file,
3146 None => continue,
3147 };
3148 let language = match buffer.language() {
3149 Some(language) => language,
3150 None => continue,
3151 };
3152
3153 if file.worktree.read(cx).id() != key.0
3154 || !language.lsp_adapters().iter().any(|a| a.name == key.1)
3155 {
3156 continue;
3157 }
3158
3159 let file = match file.as_local() {
3160 Some(file) => file,
3161 None => continue,
3162 };
3163
3164 let versions = self
3165 .buffer_snapshots
3166 .entry(buffer.remote_id())
3167 .or_default()
3168 .entry(server_id)
3169 .or_insert_with(|| {
3170 vec![LspBufferSnapshot {
3171 version: 0,
3172 snapshot: buffer.text_snapshot(),
3173 }]
3174 });
3175
3176 let snapshot = versions.last().unwrap();
3177 let version = snapshot.version;
3178 let initial_snapshot = &snapshot.snapshot;
3179 let uri = lsp::Url::from_file_path(file.abs_path(cx)).unwrap();
3180 language_server.notify::<lsp::notification::DidOpenTextDocument>(
3181 lsp::DidOpenTextDocumentParams {
3182 text_document: lsp::TextDocumentItem::new(
3183 uri,
3184 adapter
3185 .language_ids
3186 .get(language.name().as_ref())
3187 .cloned()
3188 .unwrap_or_default(),
3189 version,
3190 initial_snapshot.text(),
3191 ),
3192 },
3193 )?;
3194
3195 buffer_handle.update(cx, |buffer, cx| {
3196 buffer.set_completion_triggers(
3197 language_server
3198 .capabilities()
3199 .completion_provider
3200 .as_ref()
3201 .and_then(|provider| provider.trigger_characters.clone())
3202 .unwrap_or_default(),
3203 cx,
3204 )
3205 });
3206 }
3207 }
3208
3209 cx.notify();
3210 Ok(())
3211 }
3212
3213 // Returns a list of all of the worktrees which no longer have a language server and the root path
3214 // for the stopped server
3215 fn stop_language_server(
3216 &mut self,
3217 worktree_id: WorktreeId,
3218 adapter_name: LanguageServerName,
3219 cx: &mut ModelContext<Self>,
3220 ) -> Task<(Option<PathBuf>, Vec<WorktreeId>)> {
3221 let key = (worktree_id, adapter_name);
3222 if let Some(server_id) = self.language_server_ids.remove(&key) {
3223 log::info!("stopping language server {}", key.1 .0);
3224
3225 // Remove other entries for this language server as well
3226 let mut orphaned_worktrees = vec![worktree_id];
3227 let other_keys = self.language_server_ids.keys().cloned().collect::<Vec<_>>();
3228 for other_key in other_keys {
3229 if self.language_server_ids.get(&other_key) == Some(&server_id) {
3230 self.language_server_ids.remove(&other_key);
3231 orphaned_worktrees.push(other_key.0);
3232 }
3233 }
3234
3235 for buffer in self.opened_buffers.values() {
3236 if let Some(buffer) = buffer.upgrade(cx) {
3237 buffer.update(cx, |buffer, cx| {
3238 buffer.update_diagnostics(server_id, Default::default(), cx);
3239 });
3240 }
3241 }
3242 for worktree in &self.worktrees {
3243 if let Some(worktree) = worktree.upgrade(cx) {
3244 worktree.update(cx, |worktree, cx| {
3245 if let Some(worktree) = worktree.as_local_mut() {
3246 worktree.clear_diagnostics_for_language_server(server_id, cx);
3247 }
3248 });
3249 }
3250 }
3251
3252 self.language_server_statuses.remove(&server_id);
3253 cx.notify();
3254
3255 let server_state = self.language_servers.remove(&server_id);
3256 cx.emit(Event::LanguageServerRemoved(server_id));
3257 cx.spawn_weak(|this, mut cx| async move {
3258 let mut root_path = None;
3259
3260 let server = match server_state {
3261 Some(LanguageServerState::Starting(task)) => task.await,
3262 Some(LanguageServerState::Running { server, .. }) => Some(server),
3263 None => None,
3264 };
3265
3266 if let Some(server) = server {
3267 root_path = Some(server.root_path().clone());
3268 if let Some(shutdown) = server.shutdown() {
3269 shutdown.await;
3270 }
3271 }
3272
3273 if let Some(this) = this.upgrade(&cx) {
3274 this.update(&mut cx, |this, cx| {
3275 this.language_server_statuses.remove(&server_id);
3276 cx.notify();
3277 });
3278 }
3279
3280 (root_path, orphaned_worktrees)
3281 })
3282 } else {
3283 Task::ready((None, Vec::new()))
3284 }
3285 }
3286
3287 pub fn restart_language_servers_for_buffers(
3288 &mut self,
3289 buffers: impl IntoIterator<Item = ModelHandle<Buffer>>,
3290 cx: &mut ModelContext<Self>,
3291 ) -> Option<()> {
3292 let language_server_lookup_info: HashSet<(ModelHandle<Worktree>, Arc<Language>)> = buffers
3293 .into_iter()
3294 .filter_map(|buffer| {
3295 let buffer = buffer.read(cx);
3296 let file = File::from_dyn(buffer.file())?;
3297 let full_path = file.full_path(cx);
3298 let language = self
3299 .languages
3300 .language_for_file(&full_path, Some(buffer.as_rope()))
3301 .now_or_never()?
3302 .ok()?;
3303 Some((file.worktree.clone(), language))
3304 })
3305 .collect();
3306 for (worktree, language) in language_server_lookup_info {
3307 self.restart_language_servers(worktree, language, cx);
3308 }
3309
3310 None
3311 }
3312
3313 // TODO This will break in the case where the adapter's root paths and worktrees are not equal
3314 fn restart_language_servers(
3315 &mut self,
3316 worktree: ModelHandle<Worktree>,
3317 language: Arc<Language>,
3318 cx: &mut ModelContext<Self>,
3319 ) {
3320 let worktree_id = worktree.read(cx).id();
3321 let fallback_path = worktree.read(cx).abs_path();
3322
3323 let mut stops = Vec::new();
3324 for adapter in language.lsp_adapters() {
3325 stops.push(self.stop_language_server(worktree_id, adapter.name.clone(), cx));
3326 }
3327
3328 if stops.is_empty() {
3329 return;
3330 }
3331 let mut stops = stops.into_iter();
3332
3333 cx.spawn_weak(|this, mut cx| async move {
3334 let (original_root_path, mut orphaned_worktrees) = stops.next().unwrap().await;
3335 for stop in stops {
3336 let (_, worktrees) = stop.await;
3337 orphaned_worktrees.extend_from_slice(&worktrees);
3338 }
3339
3340 let this = match this.upgrade(&cx) {
3341 Some(this) => this,
3342 None => return,
3343 };
3344
3345 this.update(&mut cx, |this, cx| {
3346 // Attempt to restart using original server path. Fallback to passed in
3347 // path if we could not retrieve the root path
3348 let root_path = original_root_path
3349 .map(|path_buf| Arc::from(path_buf.as_path()))
3350 .unwrap_or(fallback_path);
3351
3352 this.start_language_servers(&worktree, root_path, language.clone(), cx);
3353
3354 // Lookup new server ids and set them for each of the orphaned worktrees
3355 for adapter in language.lsp_adapters() {
3356 if let Some(new_server_id) = this
3357 .language_server_ids
3358 .get(&(worktree_id, adapter.name.clone()))
3359 .cloned()
3360 {
3361 for &orphaned_worktree in &orphaned_worktrees {
3362 this.language_server_ids
3363 .insert((orphaned_worktree, adapter.name.clone()), new_server_id);
3364 }
3365 }
3366 }
3367 });
3368 })
3369 .detach();
3370 }
3371
3372 fn check_errored_server(
3373 language: Arc<Language>,
3374 adapter: Arc<CachedLspAdapter>,
3375 server_id: LanguageServerId,
3376 installation_test_binary: Option<LanguageServerBinary>,
3377 cx: &mut ModelContext<Self>,
3378 ) {
3379 if !adapter.can_be_reinstalled() {
3380 log::info!(
3381 "Validation check requested for {:?} but it cannot be reinstalled",
3382 adapter.name.0
3383 );
3384 return;
3385 }
3386
3387 cx.spawn(|this, mut cx| async move {
3388 log::info!("About to spawn test binary");
3389
3390 // A lack of test binary counts as a failure
3391 let process = installation_test_binary.and_then(|binary| {
3392 smol::process::Command::new(&binary.path)
3393 .current_dir(&binary.path)
3394 .args(binary.arguments)
3395 .stdin(Stdio::piped())
3396 .stdout(Stdio::piped())
3397 .stderr(Stdio::inherit())
3398 .kill_on_drop(true)
3399 .spawn()
3400 .ok()
3401 });
3402
3403 const PROCESS_TIMEOUT: Duration = Duration::from_secs(5);
3404 let mut timeout = cx.background().timer(PROCESS_TIMEOUT).fuse();
3405
3406 let mut errored = false;
3407 if let Some(mut process) = process {
3408 futures::select! {
3409 status = process.status().fuse() => match status {
3410 Ok(status) => errored = !status.success(),
3411 Err(_) => errored = true,
3412 },
3413
3414 _ = timeout => {
3415 log::info!("test binary time-ed out, this counts as a success");
3416 _ = process.kill();
3417 }
3418 }
3419 } else {
3420 log::warn!("test binary failed to launch");
3421 errored = true;
3422 }
3423
3424 if errored {
3425 log::warn!("test binary check failed");
3426 let task = this.update(&mut cx, move |this, mut cx| {
3427 this.reinstall_language_server(language, adapter, server_id, &mut cx)
3428 });
3429
3430 if let Some(task) = task {
3431 task.await;
3432 }
3433 }
3434 })
3435 .detach();
3436 }
3437
3438 fn on_lsp_progress(
3439 &mut self,
3440 progress: lsp::ProgressParams,
3441 language_server_id: LanguageServerId,
3442 disk_based_diagnostics_progress_token: Option<String>,
3443 cx: &mut ModelContext<Self>,
3444 ) {
3445 let token = match progress.token {
3446 lsp::NumberOrString::String(token) => token,
3447 lsp::NumberOrString::Number(token) => {
3448 log::info!("skipping numeric progress token {}", token);
3449 return;
3450 }
3451 };
3452 let lsp::ProgressParamsValue::WorkDone(progress) = progress.value;
3453 let language_server_status =
3454 if let Some(status) = self.language_server_statuses.get_mut(&language_server_id) {
3455 status
3456 } else {
3457 return;
3458 };
3459
3460 if !language_server_status.progress_tokens.contains(&token) {
3461 return;
3462 }
3463
3464 let is_disk_based_diagnostics_progress = disk_based_diagnostics_progress_token
3465 .as_ref()
3466 .map_or(false, |disk_based_token| {
3467 token.starts_with(disk_based_token)
3468 });
3469
3470 match progress {
3471 lsp::WorkDoneProgress::Begin(report) => {
3472 if is_disk_based_diagnostics_progress {
3473 language_server_status.has_pending_diagnostic_updates = true;
3474 self.disk_based_diagnostics_started(language_server_id, cx);
3475 self.buffer_ordered_messages_tx
3476 .unbounded_send(BufferOrderedMessage::LanguageServerUpdate {
3477 language_server_id,
3478 message: proto::update_language_server::Variant::DiskBasedDiagnosticsUpdating(Default::default())
3479 })
3480 .ok();
3481 } else {
3482 self.on_lsp_work_start(
3483 language_server_id,
3484 token.clone(),
3485 LanguageServerProgress {
3486 message: report.message.clone(),
3487 percentage: report.percentage.map(|p| p as usize),
3488 last_update_at: Instant::now(),
3489 },
3490 cx,
3491 );
3492 self.buffer_ordered_messages_tx
3493 .unbounded_send(BufferOrderedMessage::LanguageServerUpdate {
3494 language_server_id,
3495 message: proto::update_language_server::Variant::WorkStart(
3496 proto::LspWorkStart {
3497 token,
3498 message: report.message,
3499 percentage: report.percentage.map(|p| p as u32),
3500 },
3501 ),
3502 })
3503 .ok();
3504 }
3505 }
3506 lsp::WorkDoneProgress::Report(report) => {
3507 if !is_disk_based_diagnostics_progress {
3508 self.on_lsp_work_progress(
3509 language_server_id,
3510 token.clone(),
3511 LanguageServerProgress {
3512 message: report.message.clone(),
3513 percentage: report.percentage.map(|p| p as usize),
3514 last_update_at: Instant::now(),
3515 },
3516 cx,
3517 );
3518 self.buffer_ordered_messages_tx
3519 .unbounded_send(BufferOrderedMessage::LanguageServerUpdate {
3520 language_server_id,
3521 message: proto::update_language_server::Variant::WorkProgress(
3522 proto::LspWorkProgress {
3523 token,
3524 message: report.message,
3525 percentage: report.percentage.map(|p| p as u32),
3526 },
3527 ),
3528 })
3529 .ok();
3530 }
3531 }
3532 lsp::WorkDoneProgress::End(_) => {
3533 language_server_status.progress_tokens.remove(&token);
3534
3535 if is_disk_based_diagnostics_progress {
3536 language_server_status.has_pending_diagnostic_updates = false;
3537 self.disk_based_diagnostics_finished(language_server_id, cx);
3538 self.buffer_ordered_messages_tx
3539 .unbounded_send(BufferOrderedMessage::LanguageServerUpdate {
3540 language_server_id,
3541 message:
3542 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(
3543 Default::default(),
3544 ),
3545 })
3546 .ok();
3547 } else {
3548 self.on_lsp_work_end(language_server_id, token.clone(), cx);
3549 self.buffer_ordered_messages_tx
3550 .unbounded_send(BufferOrderedMessage::LanguageServerUpdate {
3551 language_server_id,
3552 message: proto::update_language_server::Variant::WorkEnd(
3553 proto::LspWorkEnd { token },
3554 ),
3555 })
3556 .ok();
3557 }
3558 }
3559 }
3560 }
3561
3562 fn on_lsp_work_start(
3563 &mut self,
3564 language_server_id: LanguageServerId,
3565 token: String,
3566 progress: LanguageServerProgress,
3567 cx: &mut ModelContext<Self>,
3568 ) {
3569 if let Some(status) = self.language_server_statuses.get_mut(&language_server_id) {
3570 status.pending_work.insert(token, progress);
3571 cx.notify();
3572 }
3573 }
3574
3575 fn on_lsp_work_progress(
3576 &mut self,
3577 language_server_id: LanguageServerId,
3578 token: String,
3579 progress: LanguageServerProgress,
3580 cx: &mut ModelContext<Self>,
3581 ) {
3582 if let Some(status) = self.language_server_statuses.get_mut(&language_server_id) {
3583 let entry = status
3584 .pending_work
3585 .entry(token)
3586 .or_insert(LanguageServerProgress {
3587 message: Default::default(),
3588 percentage: Default::default(),
3589 last_update_at: progress.last_update_at,
3590 });
3591 if progress.message.is_some() {
3592 entry.message = progress.message;
3593 }
3594 if progress.percentage.is_some() {
3595 entry.percentage = progress.percentage;
3596 }
3597 entry.last_update_at = progress.last_update_at;
3598 cx.notify();
3599 }
3600 }
3601
3602 fn on_lsp_work_end(
3603 &mut self,
3604 language_server_id: LanguageServerId,
3605 token: String,
3606 cx: &mut ModelContext<Self>,
3607 ) {
3608 if let Some(status) = self.language_server_statuses.get_mut(&language_server_id) {
3609 cx.emit(Event::RefreshInlayHints);
3610 status.pending_work.remove(&token);
3611 cx.notify();
3612 }
3613 }
3614
3615 fn on_lsp_did_change_watched_files(
3616 &mut self,
3617 language_server_id: LanguageServerId,
3618 params: DidChangeWatchedFilesRegistrationOptions,
3619 cx: &mut ModelContext<Self>,
3620 ) {
3621 if let Some(LanguageServerState::Running { watched_paths, .. }) =
3622 self.language_servers.get_mut(&language_server_id)
3623 {
3624 let mut builders = HashMap::default();
3625 for watcher in params.watchers {
3626 for worktree in &self.worktrees {
3627 if let Some(worktree) = worktree.upgrade(cx) {
3628 let glob_is_inside_worktree = worktree.update(cx, |tree, _| {
3629 if let Some(abs_path) = tree.abs_path().to_str() {
3630 let relative_glob_pattern = match &watcher.glob_pattern {
3631 lsp::GlobPattern::String(s) => s
3632 .strip_prefix(abs_path)
3633 .and_then(|s| s.strip_prefix(std::path::MAIN_SEPARATOR)),
3634 lsp::GlobPattern::Relative(rp) => {
3635 let base_uri = match &rp.base_uri {
3636 lsp::OneOf::Left(workspace_folder) => {
3637 &workspace_folder.uri
3638 }
3639 lsp::OneOf::Right(base_uri) => base_uri,
3640 };
3641 base_uri.to_file_path().ok().and_then(|file_path| {
3642 (file_path.to_str() == Some(abs_path))
3643 .then_some(rp.pattern.as_str())
3644 })
3645 }
3646 };
3647 if let Some(relative_glob_pattern) = relative_glob_pattern {
3648 let literal_prefix =
3649 glob_literal_prefix(&relative_glob_pattern);
3650 tree.as_local_mut()
3651 .unwrap()
3652 .add_path_prefix_to_scan(Path::new(literal_prefix).into());
3653 if let Some(glob) = Glob::new(relative_glob_pattern).log_err() {
3654 builders
3655 .entry(tree.id())
3656 .or_insert_with(|| GlobSetBuilder::new())
3657 .add(glob);
3658 }
3659 return true;
3660 }
3661 }
3662 false
3663 });
3664 if glob_is_inside_worktree {
3665 break;
3666 }
3667 }
3668 }
3669 }
3670
3671 watched_paths.clear();
3672 for (worktree_id, builder) in builders {
3673 if let Ok(globset) = builder.build() {
3674 watched_paths.insert(worktree_id, globset);
3675 }
3676 }
3677
3678 cx.notify();
3679 }
3680 }
3681
3682 async fn on_lsp_workspace_edit(
3683 this: WeakModelHandle<Self>,
3684 params: lsp::ApplyWorkspaceEditParams,
3685 server_id: LanguageServerId,
3686 adapter: Arc<CachedLspAdapter>,
3687 mut cx: AsyncAppContext,
3688 ) -> Result<lsp::ApplyWorkspaceEditResponse> {
3689 let this = this
3690 .upgrade(&cx)
3691 .ok_or_else(|| anyhow!("project project closed"))?;
3692 let language_server = this
3693 .read_with(&cx, |this, _| this.language_server_for_id(server_id))
3694 .ok_or_else(|| anyhow!("language server not found"))?;
3695 let transaction = Self::deserialize_workspace_edit(
3696 this.clone(),
3697 params.edit,
3698 true,
3699 adapter.clone(),
3700 language_server.clone(),
3701 &mut cx,
3702 )
3703 .await
3704 .log_err();
3705 this.update(&mut cx, |this, _| {
3706 if let Some(transaction) = transaction {
3707 this.last_workspace_edits_by_language_server
3708 .insert(server_id, transaction);
3709 }
3710 });
3711 Ok(lsp::ApplyWorkspaceEditResponse {
3712 applied: true,
3713 failed_change: None,
3714 failure_reason: None,
3715 })
3716 }
3717
3718 pub fn language_server_statuses(
3719 &self,
3720 ) -> impl DoubleEndedIterator<Item = &LanguageServerStatus> {
3721 self.language_server_statuses.values()
3722 }
3723
3724 pub fn update_diagnostics(
3725 &mut self,
3726 language_server_id: LanguageServerId,
3727 mut params: lsp::PublishDiagnosticsParams,
3728 disk_based_sources: &[String],
3729 cx: &mut ModelContext<Self>,
3730 ) -> Result<()> {
3731 let abs_path = params
3732 .uri
3733 .to_file_path()
3734 .map_err(|_| anyhow!("URI is not a file"))?;
3735 let mut diagnostics = Vec::default();
3736 let mut primary_diagnostic_group_ids = HashMap::default();
3737 let mut sources_by_group_id = HashMap::default();
3738 let mut supporting_diagnostics = HashMap::default();
3739
3740 // Ensure that primary diagnostics are always the most severe
3741 params.diagnostics.sort_by_key(|item| item.severity);
3742
3743 for diagnostic in ¶ms.diagnostics {
3744 let source = diagnostic.source.as_ref();
3745 let code = diagnostic.code.as_ref().map(|code| match code {
3746 lsp::NumberOrString::Number(code) => code.to_string(),
3747 lsp::NumberOrString::String(code) => code.clone(),
3748 });
3749 let range = range_from_lsp(diagnostic.range);
3750 let is_supporting = diagnostic
3751 .related_information
3752 .as_ref()
3753 .map_or(false, |infos| {
3754 infos.iter().any(|info| {
3755 primary_diagnostic_group_ids.contains_key(&(
3756 source,
3757 code.clone(),
3758 range_from_lsp(info.location.range),
3759 ))
3760 })
3761 });
3762
3763 let is_unnecessary = diagnostic.tags.as_ref().map_or(false, |tags| {
3764 tags.iter().any(|tag| *tag == DiagnosticTag::UNNECESSARY)
3765 });
3766
3767 if is_supporting {
3768 supporting_diagnostics.insert(
3769 (source, code.clone(), range),
3770 (diagnostic.severity, is_unnecessary),
3771 );
3772 } else {
3773 let group_id = post_inc(&mut self.next_diagnostic_group_id);
3774 let is_disk_based =
3775 source.map_or(false, |source| disk_based_sources.contains(source));
3776
3777 sources_by_group_id.insert(group_id, source);
3778 primary_diagnostic_group_ids
3779 .insert((source, code.clone(), range.clone()), group_id);
3780
3781 diagnostics.push(DiagnosticEntry {
3782 range,
3783 diagnostic: Diagnostic {
3784 source: diagnostic.source.clone(),
3785 code: code.clone(),
3786 severity: diagnostic.severity.unwrap_or(DiagnosticSeverity::ERROR),
3787 message: diagnostic.message.clone(),
3788 group_id,
3789 is_primary: true,
3790 is_valid: true,
3791 is_disk_based,
3792 is_unnecessary,
3793 },
3794 });
3795 if let Some(infos) = &diagnostic.related_information {
3796 for info in infos {
3797 if info.location.uri == params.uri && !info.message.is_empty() {
3798 let range = range_from_lsp(info.location.range);
3799 diagnostics.push(DiagnosticEntry {
3800 range,
3801 diagnostic: Diagnostic {
3802 source: diagnostic.source.clone(),
3803 code: code.clone(),
3804 severity: DiagnosticSeverity::INFORMATION,
3805 message: info.message.clone(),
3806 group_id,
3807 is_primary: false,
3808 is_valid: true,
3809 is_disk_based,
3810 is_unnecessary: false,
3811 },
3812 });
3813 }
3814 }
3815 }
3816 }
3817 }
3818
3819 for entry in &mut diagnostics {
3820 let diagnostic = &mut entry.diagnostic;
3821 if !diagnostic.is_primary {
3822 let source = *sources_by_group_id.get(&diagnostic.group_id).unwrap();
3823 if let Some(&(severity, is_unnecessary)) = supporting_diagnostics.get(&(
3824 source,
3825 diagnostic.code.clone(),
3826 entry.range.clone(),
3827 )) {
3828 if let Some(severity) = severity {
3829 diagnostic.severity = severity;
3830 }
3831 diagnostic.is_unnecessary = is_unnecessary;
3832 }
3833 }
3834 }
3835
3836 self.update_diagnostic_entries(
3837 language_server_id,
3838 abs_path,
3839 params.version,
3840 diagnostics,
3841 cx,
3842 )?;
3843 Ok(())
3844 }
3845
3846 pub fn update_diagnostic_entries(
3847 &mut self,
3848 server_id: LanguageServerId,
3849 abs_path: PathBuf,
3850 version: Option<i32>,
3851 diagnostics: Vec<DiagnosticEntry<Unclipped<PointUtf16>>>,
3852 cx: &mut ModelContext<Project>,
3853 ) -> Result<(), anyhow::Error> {
3854 let (worktree, relative_path) = self
3855 .find_local_worktree(&abs_path, cx)
3856 .ok_or_else(|| anyhow!("no worktree found for diagnostics path {abs_path:?}"))?;
3857
3858 let project_path = ProjectPath {
3859 worktree_id: worktree.read(cx).id(),
3860 path: relative_path.into(),
3861 };
3862
3863 if let Some(buffer) = self.get_open_buffer(&project_path, cx) {
3864 self.update_buffer_diagnostics(&buffer, server_id, version, diagnostics.clone(), cx)?;
3865 }
3866
3867 let updated = worktree.update(cx, |worktree, cx| {
3868 worktree
3869 .as_local_mut()
3870 .ok_or_else(|| anyhow!("not a local worktree"))?
3871 .update_diagnostics(server_id, project_path.path.clone(), diagnostics, cx)
3872 })?;
3873 if updated {
3874 cx.emit(Event::DiagnosticsUpdated {
3875 language_server_id: server_id,
3876 path: project_path,
3877 });
3878 }
3879 Ok(())
3880 }
3881
3882 fn update_buffer_diagnostics(
3883 &mut self,
3884 buffer: &ModelHandle<Buffer>,
3885 server_id: LanguageServerId,
3886 version: Option<i32>,
3887 mut diagnostics: Vec<DiagnosticEntry<Unclipped<PointUtf16>>>,
3888 cx: &mut ModelContext<Self>,
3889 ) -> Result<()> {
3890 fn compare_diagnostics(a: &Diagnostic, b: &Diagnostic) -> Ordering {
3891 Ordering::Equal
3892 .then_with(|| b.is_primary.cmp(&a.is_primary))
3893 .then_with(|| a.is_disk_based.cmp(&b.is_disk_based))
3894 .then_with(|| a.severity.cmp(&b.severity))
3895 .then_with(|| a.message.cmp(&b.message))
3896 }
3897
3898 let snapshot = self.buffer_snapshot_for_lsp_version(buffer, server_id, version, cx)?;
3899
3900 diagnostics.sort_unstable_by(|a, b| {
3901 Ordering::Equal
3902 .then_with(|| a.range.start.cmp(&b.range.start))
3903 .then_with(|| b.range.end.cmp(&a.range.end))
3904 .then_with(|| compare_diagnostics(&a.diagnostic, &b.diagnostic))
3905 });
3906
3907 let mut sanitized_diagnostics = Vec::new();
3908 let edits_since_save = Patch::new(
3909 snapshot
3910 .edits_since::<Unclipped<PointUtf16>>(buffer.read(cx).saved_version())
3911 .collect(),
3912 );
3913 for entry in diagnostics {
3914 let start;
3915 let end;
3916 if entry.diagnostic.is_disk_based {
3917 // Some diagnostics are based on files on disk instead of buffers'
3918 // current contents. Adjust these diagnostics' ranges to reflect
3919 // any unsaved edits.
3920 start = edits_since_save.old_to_new(entry.range.start);
3921 end = edits_since_save.old_to_new(entry.range.end);
3922 } else {
3923 start = entry.range.start;
3924 end = entry.range.end;
3925 }
3926
3927 let mut range = snapshot.clip_point_utf16(start, Bias::Left)
3928 ..snapshot.clip_point_utf16(end, Bias::Right);
3929
3930 // Expand empty ranges by one codepoint
3931 if range.start == range.end {
3932 // This will be go to the next boundary when being clipped
3933 range.end.column += 1;
3934 range.end = snapshot.clip_point_utf16(Unclipped(range.end), Bias::Right);
3935 if range.start == range.end && range.end.column > 0 {
3936 range.start.column -= 1;
3937 range.end = snapshot.clip_point_utf16(Unclipped(range.end), Bias::Left);
3938 }
3939 }
3940
3941 sanitized_diagnostics.push(DiagnosticEntry {
3942 range,
3943 diagnostic: entry.diagnostic,
3944 });
3945 }
3946 drop(edits_since_save);
3947
3948 let set = DiagnosticSet::new(sanitized_diagnostics, &snapshot);
3949 buffer.update(cx, |buffer, cx| {
3950 buffer.update_diagnostics(server_id, set, cx)
3951 });
3952 Ok(())
3953 }
3954
3955 pub fn reload_buffers(
3956 &self,
3957 buffers: HashSet<ModelHandle<Buffer>>,
3958 push_to_history: bool,
3959 cx: &mut ModelContext<Self>,
3960 ) -> Task<Result<ProjectTransaction>> {
3961 let mut local_buffers = Vec::new();
3962 let mut remote_buffers = None;
3963 for buffer_handle in buffers {
3964 let buffer = buffer_handle.read(cx);
3965 if buffer.is_dirty() {
3966 if let Some(file) = File::from_dyn(buffer.file()) {
3967 if file.is_local() {
3968 local_buffers.push(buffer_handle);
3969 } else {
3970 remote_buffers.get_or_insert(Vec::new()).push(buffer_handle);
3971 }
3972 }
3973 }
3974 }
3975
3976 let remote_buffers = self.remote_id().zip(remote_buffers);
3977 let client = self.client.clone();
3978
3979 cx.spawn(|this, mut cx| async move {
3980 let mut project_transaction = ProjectTransaction::default();
3981
3982 if let Some((project_id, remote_buffers)) = remote_buffers {
3983 let response = client
3984 .request(proto::ReloadBuffers {
3985 project_id,
3986 buffer_ids: remote_buffers
3987 .iter()
3988 .map(|buffer| buffer.read_with(&cx, |buffer, _| buffer.remote_id()))
3989 .collect(),
3990 })
3991 .await?
3992 .transaction
3993 .ok_or_else(|| anyhow!("missing transaction"))?;
3994 project_transaction = this
3995 .update(&mut cx, |this, cx| {
3996 this.deserialize_project_transaction(response, push_to_history, cx)
3997 })
3998 .await?;
3999 }
4000
4001 for buffer in local_buffers {
4002 let transaction = buffer
4003 .update(&mut cx, |buffer, cx| buffer.reload(cx))
4004 .await?;
4005 buffer.update(&mut cx, |buffer, cx| {
4006 if let Some(transaction) = transaction {
4007 if !push_to_history {
4008 buffer.forget_transaction(transaction.id);
4009 }
4010 project_transaction.0.insert(cx.handle(), transaction);
4011 }
4012 });
4013 }
4014
4015 Ok(project_transaction)
4016 })
4017 }
4018
4019 pub fn format(
4020 &mut self,
4021 buffers: HashSet<ModelHandle<Buffer>>,
4022 push_to_history: bool,
4023 trigger: FormatTrigger,
4024 cx: &mut ModelContext<Project>,
4025 ) -> Task<anyhow::Result<ProjectTransaction>> {
4026 if self.is_local() {
4027 let mut buffers_with_paths_and_servers = buffers
4028 .into_iter()
4029 .filter_map(|buffer_handle| {
4030 let buffer = buffer_handle.read(cx);
4031 let file = File::from_dyn(buffer.file())?;
4032 let buffer_abs_path = file.as_local().map(|f| f.abs_path(cx));
4033 let server = self
4034 .primary_language_server_for_buffer(buffer, cx)
4035 .map(|s| s.1.clone());
4036 Some((buffer_handle, buffer_abs_path, server))
4037 })
4038 .collect::<Vec<_>>();
4039
4040 cx.spawn(|project, mut cx| async move {
4041 // Do not allow multiple concurrent formatting requests for the
4042 // same buffer.
4043 project.update(&mut cx, |this, cx| {
4044 buffers_with_paths_and_servers.retain(|(buffer, _, _)| {
4045 this.buffers_being_formatted
4046 .insert(buffer.read(cx).remote_id())
4047 });
4048 });
4049
4050 let _cleanup = defer({
4051 let this = project.clone();
4052 let mut cx = cx.clone();
4053 let buffers = &buffers_with_paths_and_servers;
4054 move || {
4055 this.update(&mut cx, |this, cx| {
4056 for (buffer, _, _) in buffers {
4057 this.buffers_being_formatted
4058 .remove(&buffer.read(cx).remote_id());
4059 }
4060 });
4061 }
4062 });
4063
4064 let mut project_transaction = ProjectTransaction::default();
4065 for (buffer, buffer_abs_path, language_server) in &buffers_with_paths_and_servers {
4066 let settings = buffer.read_with(&cx, |buffer, cx| {
4067 language_settings(buffer.language(), buffer.file(), cx).clone()
4068 });
4069
4070 let remove_trailing_whitespace = settings.remove_trailing_whitespace_on_save;
4071 let ensure_final_newline = settings.ensure_final_newline_on_save;
4072 let format_on_save = settings.format_on_save.clone();
4073 let formatter = settings.formatter.clone();
4074 let tab_size = settings.tab_size;
4075
4076 // First, format buffer's whitespace according to the settings.
4077 let trailing_whitespace_diff = if remove_trailing_whitespace {
4078 Some(
4079 buffer
4080 .read_with(&cx, |b, cx| b.remove_trailing_whitespace(cx))
4081 .await,
4082 )
4083 } else {
4084 None
4085 };
4086 let whitespace_transaction_id = buffer.update(&mut cx, |buffer, cx| {
4087 buffer.finalize_last_transaction();
4088 buffer.start_transaction();
4089 if let Some(diff) = trailing_whitespace_diff {
4090 buffer.apply_diff(diff, cx);
4091 }
4092 if ensure_final_newline {
4093 buffer.ensure_final_newline(cx);
4094 }
4095 buffer.end_transaction(cx)
4096 });
4097
4098 // Currently, formatting operations are represented differently depending on
4099 // whether they come from a language server or an external command.
4100 enum FormatOperation {
4101 Lsp(Vec<(Range<Anchor>, String)>),
4102 External(Diff),
4103 Prettier(Diff),
4104 }
4105
4106 // Apply language-specific formatting using either a language server
4107 // or external command.
4108 let mut format_operation = None;
4109 match (formatter, format_on_save) {
4110 (_, FormatOnSave::Off) if trigger == FormatTrigger::Save => {}
4111
4112 (Formatter::LanguageServer, FormatOnSave::On | FormatOnSave::Off)
4113 | (_, FormatOnSave::LanguageServer) => {
4114 if let Some((language_server, buffer_abs_path)) =
4115 language_server.as_ref().zip(buffer_abs_path.as_ref())
4116 {
4117 format_operation = Some(FormatOperation::Lsp(
4118 Self::format_via_lsp(
4119 &project,
4120 &buffer,
4121 buffer_abs_path,
4122 &language_server,
4123 tab_size,
4124 &mut cx,
4125 )
4126 .await
4127 .context("failed to format via language server")?,
4128 ));
4129 }
4130 }
4131
4132 (
4133 Formatter::External { command, arguments },
4134 FormatOnSave::On | FormatOnSave::Off,
4135 )
4136 | (_, FormatOnSave::External { command, arguments }) => {
4137 if let Some(buffer_abs_path) = buffer_abs_path {
4138 format_operation = Self::format_via_external_command(
4139 buffer,
4140 buffer_abs_path,
4141 &command,
4142 &arguments,
4143 &mut cx,
4144 )
4145 .await
4146 .context(format!(
4147 "failed to format via external command {:?}",
4148 command
4149 ))?
4150 .map(FormatOperation::External);
4151 }
4152 }
4153 (Formatter::Auto, FormatOnSave::On | FormatOnSave::Off) => {
4154 if let Some((prettier_path, prettier_task)) = project
4155 .update(&mut cx, |project, cx| {
4156 project.prettier_instance_for_buffer(buffer, cx)
4157 }).await {
4158 match prettier_task.await
4159 {
4160 Ok(prettier) => {
4161 let buffer_path = buffer.update(&mut cx, |buffer, cx| File::from_dyn(buffer.file()).map(|f| f.abs_path(cx)));
4162 format_operation = Some(FormatOperation::Prettier(
4163 prettier
4164 .format(buffer, buffer_path, &cx)
4165 .await
4166 .context("formatting via prettier")?,
4167 ));
4168 }
4169 Err(e) => {
4170 project.update(&mut cx, |project, _| {
4171 match &prettier_path {
4172 Some(prettier_path) => {
4173 project.prettier_instances.remove(prettier_path);
4174 },
4175 None => {
4176 if let Some(default_prettier) = project.default_prettier.as_mut() {
4177 default_prettier.instance = None;
4178 }
4179 },
4180 }
4181 });
4182 anyhow::bail!(
4183 "Failed to create prettier instance from {prettier_path:?} for buffer during autoformatting: {e:#}"
4184 )},
4185 }
4186 } else if let Some((language_server, buffer_abs_path)) =
4187 language_server.as_ref().zip(buffer_abs_path.as_ref())
4188 {
4189 format_operation = Some(FormatOperation::Lsp(
4190 Self::format_via_lsp(
4191 &project,
4192 &buffer,
4193 buffer_abs_path,
4194 &language_server,
4195 tab_size,
4196 &mut cx,
4197 )
4198 .await
4199 .context("failed to format via language server")?,
4200 ));
4201 }
4202 }
4203 (Formatter::Prettier { .. }, FormatOnSave::On | FormatOnSave::Off) => {
4204 if let Some((prettier_path, prettier_task)) = project
4205 .update(&mut cx, |project, cx| {
4206 project.prettier_instance_for_buffer(buffer, cx)
4207 }).await {
4208 match prettier_task.await
4209 {
4210 Ok(prettier) => {
4211 let buffer_path = buffer.update(&mut cx, |buffer, cx| File::from_dyn(buffer.file()).map(|f| f.abs_path(cx)));
4212 format_operation = Some(FormatOperation::Prettier(
4213 prettier
4214 .format(buffer, buffer_path, &cx)
4215 .await
4216 .context("formatting via prettier")?,
4217 ));
4218 }
4219 Err(e) => {
4220 project.update(&mut cx, |project, _| {
4221 match &prettier_path {
4222 Some(prettier_path) => {
4223 project.prettier_instances.remove(prettier_path);
4224 },
4225 None => {
4226 if let Some(default_prettier) = project.default_prettier.as_mut() {
4227 default_prettier.instance = None;
4228 }
4229 },
4230 }
4231 });
4232 anyhow::bail!(
4233 "Failed to create prettier instance from {prettier_path:?} for buffer during formatting: {e:#}"
4234 )},
4235 }
4236 }
4237 }
4238 };
4239
4240 buffer.update(&mut cx, |b, cx| {
4241 // If the buffer had its whitespace formatted and was edited while the language-specific
4242 // formatting was being computed, avoid applying the language-specific formatting, because
4243 // it can't be grouped with the whitespace formatting in the undo history.
4244 if let Some(transaction_id) = whitespace_transaction_id {
4245 if b.peek_undo_stack()
4246 .map_or(true, |e| e.transaction_id() != transaction_id)
4247 {
4248 format_operation.take();
4249 }
4250 }
4251
4252 // Apply any language-specific formatting, and group the two formatting operations
4253 // in the buffer's undo history.
4254 if let Some(operation) = format_operation {
4255 match operation {
4256 FormatOperation::Lsp(edits) => {
4257 b.edit(edits, None, cx);
4258 }
4259 FormatOperation::External(diff) => {
4260 b.apply_diff(diff, cx);
4261 }
4262 FormatOperation::Prettier(diff) => {
4263 b.apply_diff(diff, cx);
4264 }
4265 }
4266
4267 if let Some(transaction_id) = whitespace_transaction_id {
4268 b.group_until_transaction(transaction_id);
4269 }
4270 }
4271
4272 if let Some(transaction) = b.finalize_last_transaction().cloned() {
4273 if !push_to_history {
4274 b.forget_transaction(transaction.id);
4275 }
4276 project_transaction.0.insert(buffer.clone(), transaction);
4277 }
4278 });
4279 }
4280
4281 Ok(project_transaction)
4282 })
4283 } else {
4284 let remote_id = self.remote_id();
4285 let client = self.client.clone();
4286 cx.spawn(|this, mut cx| async move {
4287 let mut project_transaction = ProjectTransaction::default();
4288 if let Some(project_id) = remote_id {
4289 let response = client
4290 .request(proto::FormatBuffers {
4291 project_id,
4292 trigger: trigger as i32,
4293 buffer_ids: buffers
4294 .iter()
4295 .map(|buffer| buffer.read_with(&cx, |buffer, _| buffer.remote_id()))
4296 .collect(),
4297 })
4298 .await?
4299 .transaction
4300 .ok_or_else(|| anyhow!("missing transaction"))?;
4301 project_transaction = this
4302 .update(&mut cx, |this, cx| {
4303 this.deserialize_project_transaction(response, push_to_history, cx)
4304 })
4305 .await?;
4306 }
4307 Ok(project_transaction)
4308 })
4309 }
4310 }
4311
4312 async fn format_via_lsp(
4313 this: &ModelHandle<Self>,
4314 buffer: &ModelHandle<Buffer>,
4315 abs_path: &Path,
4316 language_server: &Arc<LanguageServer>,
4317 tab_size: NonZeroU32,
4318 cx: &mut AsyncAppContext,
4319 ) -> Result<Vec<(Range<Anchor>, String)>> {
4320 let uri = lsp::Url::from_file_path(abs_path)
4321 .map_err(|_| anyhow!("failed to convert abs path to uri"))?;
4322 let text_document = lsp::TextDocumentIdentifier::new(uri);
4323 let capabilities = &language_server.capabilities();
4324
4325 let formatting_provider = capabilities.document_formatting_provider.as_ref();
4326 let range_formatting_provider = capabilities.document_range_formatting_provider.as_ref();
4327
4328 let lsp_edits = if matches!(formatting_provider, Some(p) if *p != OneOf::Left(false)) {
4329 language_server
4330 .request::<lsp::request::Formatting>(lsp::DocumentFormattingParams {
4331 text_document,
4332 options: lsp_command::lsp_formatting_options(tab_size.get()),
4333 work_done_progress_params: Default::default(),
4334 })
4335 .await?
4336 } else if matches!(range_formatting_provider, Some(p) if *p != OneOf::Left(false)) {
4337 let buffer_start = lsp::Position::new(0, 0);
4338 let buffer_end = buffer.read_with(cx, |b, _| point_to_lsp(b.max_point_utf16()));
4339
4340 language_server
4341 .request::<lsp::request::RangeFormatting>(lsp::DocumentRangeFormattingParams {
4342 text_document,
4343 range: lsp::Range::new(buffer_start, buffer_end),
4344 options: lsp_command::lsp_formatting_options(tab_size.get()),
4345 work_done_progress_params: Default::default(),
4346 })
4347 .await?
4348 } else {
4349 None
4350 };
4351
4352 if let Some(lsp_edits) = lsp_edits {
4353 this.update(cx, |this, cx| {
4354 this.edits_from_lsp(buffer, lsp_edits, language_server.server_id(), None, cx)
4355 })
4356 .await
4357 } else {
4358 Ok(Vec::new())
4359 }
4360 }
4361
4362 async fn format_via_external_command(
4363 buffer: &ModelHandle<Buffer>,
4364 buffer_abs_path: &Path,
4365 command: &str,
4366 arguments: &[String],
4367 cx: &mut AsyncAppContext,
4368 ) -> Result<Option<Diff>> {
4369 let working_dir_path = buffer.read_with(cx, |buffer, cx| {
4370 let file = File::from_dyn(buffer.file())?;
4371 let worktree = file.worktree.read(cx).as_local()?;
4372 let mut worktree_path = worktree.abs_path().to_path_buf();
4373 if worktree.root_entry()?.is_file() {
4374 worktree_path.pop();
4375 }
4376 Some(worktree_path)
4377 });
4378
4379 if let Some(working_dir_path) = working_dir_path {
4380 let mut child =
4381 smol::process::Command::new(command)
4382 .args(arguments.iter().map(|arg| {
4383 arg.replace("{buffer_path}", &buffer_abs_path.to_string_lossy())
4384 }))
4385 .current_dir(&working_dir_path)
4386 .stdin(smol::process::Stdio::piped())
4387 .stdout(smol::process::Stdio::piped())
4388 .stderr(smol::process::Stdio::piped())
4389 .spawn()?;
4390 let stdin = child
4391 .stdin
4392 .as_mut()
4393 .ok_or_else(|| anyhow!("failed to acquire stdin"))?;
4394 let text = buffer.read_with(cx, |buffer, _| buffer.as_rope().clone());
4395 for chunk in text.chunks() {
4396 stdin.write_all(chunk.as_bytes()).await?;
4397 }
4398 stdin.flush().await?;
4399
4400 let output = child.output().await?;
4401 if !output.status.success() {
4402 return Err(anyhow!(
4403 "command failed with exit code {:?}:\nstdout: {}\nstderr: {}",
4404 output.status.code(),
4405 String::from_utf8_lossy(&output.stdout),
4406 String::from_utf8_lossy(&output.stderr),
4407 ));
4408 }
4409
4410 let stdout = String::from_utf8(output.stdout)?;
4411 Ok(Some(
4412 buffer
4413 .read_with(cx, |buffer, cx| buffer.diff(stdout, cx))
4414 .await,
4415 ))
4416 } else {
4417 Ok(None)
4418 }
4419 }
4420
4421 pub fn definition<T: ToPointUtf16>(
4422 &self,
4423 buffer: &ModelHandle<Buffer>,
4424 position: T,
4425 cx: &mut ModelContext<Self>,
4426 ) -> Task<Result<Vec<LocationLink>>> {
4427 let position = position.to_point_utf16(buffer.read(cx));
4428 self.request_lsp(
4429 buffer.clone(),
4430 LanguageServerToQuery::Primary,
4431 GetDefinition { position },
4432 cx,
4433 )
4434 }
4435
4436 pub fn type_definition<T: ToPointUtf16>(
4437 &self,
4438 buffer: &ModelHandle<Buffer>,
4439 position: T,
4440 cx: &mut ModelContext<Self>,
4441 ) -> Task<Result<Vec<LocationLink>>> {
4442 let position = position.to_point_utf16(buffer.read(cx));
4443 self.request_lsp(
4444 buffer.clone(),
4445 LanguageServerToQuery::Primary,
4446 GetTypeDefinition { position },
4447 cx,
4448 )
4449 }
4450
4451 pub fn references<T: ToPointUtf16>(
4452 &self,
4453 buffer: &ModelHandle<Buffer>,
4454 position: T,
4455 cx: &mut ModelContext<Self>,
4456 ) -> Task<Result<Vec<Location>>> {
4457 let position = position.to_point_utf16(buffer.read(cx));
4458 self.request_lsp(
4459 buffer.clone(),
4460 LanguageServerToQuery::Primary,
4461 GetReferences { position },
4462 cx,
4463 )
4464 }
4465
4466 pub fn document_highlights<T: ToPointUtf16>(
4467 &self,
4468 buffer: &ModelHandle<Buffer>,
4469 position: T,
4470 cx: &mut ModelContext<Self>,
4471 ) -> Task<Result<Vec<DocumentHighlight>>> {
4472 let position = position.to_point_utf16(buffer.read(cx));
4473 self.request_lsp(
4474 buffer.clone(),
4475 LanguageServerToQuery::Primary,
4476 GetDocumentHighlights { position },
4477 cx,
4478 )
4479 }
4480
4481 pub fn symbols(&self, query: &str, cx: &mut ModelContext<Self>) -> Task<Result<Vec<Symbol>>> {
4482 if self.is_local() {
4483 let mut requests = Vec::new();
4484 for ((worktree_id, _), server_id) in self.language_server_ids.iter() {
4485 let worktree_id = *worktree_id;
4486 let worktree_handle = self.worktree_for_id(worktree_id, cx);
4487 let worktree = match worktree_handle.and_then(|tree| tree.read(cx).as_local()) {
4488 Some(worktree) => worktree,
4489 None => continue,
4490 };
4491 let worktree_abs_path = worktree.abs_path().clone();
4492
4493 let (adapter, language, server) = match self.language_servers.get(server_id) {
4494 Some(LanguageServerState::Running {
4495 adapter,
4496 language,
4497 server,
4498 ..
4499 }) => (adapter.clone(), language.clone(), server),
4500
4501 _ => continue,
4502 };
4503
4504 requests.push(
4505 server
4506 .request::<lsp::request::WorkspaceSymbolRequest>(
4507 lsp::WorkspaceSymbolParams {
4508 query: query.to_string(),
4509 ..Default::default()
4510 },
4511 )
4512 .log_err()
4513 .map(move |response| {
4514 let lsp_symbols = response.flatten().map(|symbol_response| match symbol_response {
4515 lsp::WorkspaceSymbolResponse::Flat(flat_responses) => {
4516 flat_responses.into_iter().map(|lsp_symbol| {
4517 (lsp_symbol.name, lsp_symbol.kind, lsp_symbol.location)
4518 }).collect::<Vec<_>>()
4519 }
4520 lsp::WorkspaceSymbolResponse::Nested(nested_responses) => {
4521 nested_responses.into_iter().filter_map(|lsp_symbol| {
4522 let location = match lsp_symbol.location {
4523 OneOf::Left(location) => location,
4524 OneOf::Right(_) => {
4525 error!("Unexpected: client capabilities forbid symbol resolutions in workspace.symbol.resolveSupport");
4526 return None
4527 }
4528 };
4529 Some((lsp_symbol.name, lsp_symbol.kind, location))
4530 }).collect::<Vec<_>>()
4531 }
4532 }).unwrap_or_default();
4533
4534 (
4535 adapter,
4536 language,
4537 worktree_id,
4538 worktree_abs_path,
4539 lsp_symbols,
4540 )
4541 }),
4542 );
4543 }
4544
4545 cx.spawn_weak(|this, cx| async move {
4546 let responses = futures::future::join_all(requests).await;
4547 let this = match this.upgrade(&cx) {
4548 Some(this) => this,
4549 None => return Ok(Vec::new()),
4550 };
4551
4552 let symbols = this.read_with(&cx, |this, cx| {
4553 let mut symbols = Vec::new();
4554 for (
4555 adapter,
4556 adapter_language,
4557 source_worktree_id,
4558 worktree_abs_path,
4559 lsp_symbols,
4560 ) in responses
4561 {
4562 symbols.extend(lsp_symbols.into_iter().filter_map(
4563 |(symbol_name, symbol_kind, symbol_location)| {
4564 let abs_path = symbol_location.uri.to_file_path().ok()?;
4565 let mut worktree_id = source_worktree_id;
4566 let path;
4567 if let Some((worktree, rel_path)) =
4568 this.find_local_worktree(&abs_path, cx)
4569 {
4570 worktree_id = worktree.read(cx).id();
4571 path = rel_path;
4572 } else {
4573 path = relativize_path(&worktree_abs_path, &abs_path);
4574 }
4575
4576 let project_path = ProjectPath {
4577 worktree_id,
4578 path: path.into(),
4579 };
4580 let signature = this.symbol_signature(&project_path);
4581 let adapter_language = adapter_language.clone();
4582 let language = this
4583 .languages
4584 .language_for_file(&project_path.path, None)
4585 .unwrap_or_else(move |_| adapter_language);
4586 let language_server_name = adapter.name.clone();
4587 Some(async move {
4588 let language = language.await;
4589 let label =
4590 language.label_for_symbol(&symbol_name, symbol_kind).await;
4591
4592 Symbol {
4593 language_server_name,
4594 source_worktree_id,
4595 path: project_path,
4596 label: label.unwrap_or_else(|| {
4597 CodeLabel::plain(symbol_name.clone(), None)
4598 }),
4599 kind: symbol_kind,
4600 name: symbol_name,
4601 range: range_from_lsp(symbol_location.range),
4602 signature,
4603 }
4604 })
4605 },
4606 ));
4607 }
4608
4609 symbols
4610 });
4611
4612 Ok(futures::future::join_all(symbols).await)
4613 })
4614 } else if let Some(project_id) = self.remote_id() {
4615 let request = self.client.request(proto::GetProjectSymbols {
4616 project_id,
4617 query: query.to_string(),
4618 });
4619 cx.spawn_weak(|this, cx| async move {
4620 let response = request.await?;
4621 let mut symbols = Vec::new();
4622 if let Some(this) = this.upgrade(&cx) {
4623 let new_symbols = this.read_with(&cx, |this, _| {
4624 response
4625 .symbols
4626 .into_iter()
4627 .map(|symbol| this.deserialize_symbol(symbol))
4628 .collect::<Vec<_>>()
4629 });
4630 symbols = futures::future::join_all(new_symbols)
4631 .await
4632 .into_iter()
4633 .filter_map(|symbol| symbol.log_err())
4634 .collect::<Vec<_>>();
4635 }
4636 Ok(symbols)
4637 })
4638 } else {
4639 Task::ready(Ok(Default::default()))
4640 }
4641 }
4642
4643 pub fn open_buffer_for_symbol(
4644 &mut self,
4645 symbol: &Symbol,
4646 cx: &mut ModelContext<Self>,
4647 ) -> Task<Result<ModelHandle<Buffer>>> {
4648 if self.is_local() {
4649 let language_server_id = if let Some(id) = self.language_server_ids.get(&(
4650 symbol.source_worktree_id,
4651 symbol.language_server_name.clone(),
4652 )) {
4653 *id
4654 } else {
4655 return Task::ready(Err(anyhow!(
4656 "language server for worktree and language not found"
4657 )));
4658 };
4659
4660 let worktree_abs_path = if let Some(worktree_abs_path) = self
4661 .worktree_for_id(symbol.path.worktree_id, cx)
4662 .and_then(|worktree| worktree.read(cx).as_local())
4663 .map(|local_worktree| local_worktree.abs_path())
4664 {
4665 worktree_abs_path
4666 } else {
4667 return Task::ready(Err(anyhow!("worktree not found for symbol")));
4668 };
4669 let symbol_abs_path = worktree_abs_path.join(&symbol.path.path);
4670 let symbol_uri = if let Ok(uri) = lsp::Url::from_file_path(symbol_abs_path) {
4671 uri
4672 } else {
4673 return Task::ready(Err(anyhow!("invalid symbol path")));
4674 };
4675
4676 self.open_local_buffer_via_lsp(
4677 symbol_uri,
4678 language_server_id,
4679 symbol.language_server_name.clone(),
4680 cx,
4681 )
4682 } else if let Some(project_id) = self.remote_id() {
4683 let request = self.client.request(proto::OpenBufferForSymbol {
4684 project_id,
4685 symbol: Some(serialize_symbol(symbol)),
4686 });
4687 cx.spawn(|this, mut cx| async move {
4688 let response = request.await?;
4689 this.update(&mut cx, |this, cx| {
4690 this.wait_for_remote_buffer(response.buffer_id, cx)
4691 })
4692 .await
4693 })
4694 } else {
4695 Task::ready(Err(anyhow!("project does not have a remote id")))
4696 }
4697 }
4698
4699 pub fn hover<T: ToPointUtf16>(
4700 &self,
4701 buffer: &ModelHandle<Buffer>,
4702 position: T,
4703 cx: &mut ModelContext<Self>,
4704 ) -> Task<Result<Option<Hover>>> {
4705 let position = position.to_point_utf16(buffer.read(cx));
4706 self.request_lsp(
4707 buffer.clone(),
4708 LanguageServerToQuery::Primary,
4709 GetHover { position },
4710 cx,
4711 )
4712 }
4713
4714 pub fn completions<T: ToOffset + ToPointUtf16>(
4715 &self,
4716 buffer: &ModelHandle<Buffer>,
4717 position: T,
4718 cx: &mut ModelContext<Self>,
4719 ) -> Task<Result<Vec<Completion>>> {
4720 let position = position.to_point_utf16(buffer.read(cx));
4721 if self.is_local() {
4722 let snapshot = buffer.read(cx).snapshot();
4723 let offset = position.to_offset(&snapshot);
4724 let scope = snapshot.language_scope_at(offset);
4725
4726 let server_ids: Vec<_> = self
4727 .language_servers_for_buffer(buffer.read(cx), cx)
4728 .filter(|(_, server)| server.capabilities().completion_provider.is_some())
4729 .filter(|(adapter, _)| {
4730 scope
4731 .as_ref()
4732 .map(|scope| scope.language_allowed(&adapter.name))
4733 .unwrap_or(true)
4734 })
4735 .map(|(_, server)| server.server_id())
4736 .collect();
4737
4738 let buffer = buffer.clone();
4739 cx.spawn(|this, mut cx| async move {
4740 let mut tasks = Vec::with_capacity(server_ids.len());
4741 this.update(&mut cx, |this, cx| {
4742 for server_id in server_ids {
4743 tasks.push(this.request_lsp(
4744 buffer.clone(),
4745 LanguageServerToQuery::Other(server_id),
4746 GetCompletions { position },
4747 cx,
4748 ));
4749 }
4750 });
4751
4752 let mut completions = Vec::new();
4753 for task in tasks {
4754 if let Ok(new_completions) = task.await {
4755 completions.extend_from_slice(&new_completions);
4756 }
4757 }
4758
4759 Ok(completions)
4760 })
4761 } else if let Some(project_id) = self.remote_id() {
4762 self.send_lsp_proto_request(buffer.clone(), project_id, GetCompletions { position }, cx)
4763 } else {
4764 Task::ready(Ok(Default::default()))
4765 }
4766 }
4767
4768 pub fn apply_additional_edits_for_completion(
4769 &self,
4770 buffer_handle: ModelHandle<Buffer>,
4771 completion: Completion,
4772 push_to_history: bool,
4773 cx: &mut ModelContext<Self>,
4774 ) -> Task<Result<Option<Transaction>>> {
4775 let buffer = buffer_handle.read(cx);
4776 let buffer_id = buffer.remote_id();
4777
4778 if self.is_local() {
4779 let server_id = completion.server_id;
4780 let lang_server = match self.language_server_for_buffer(buffer, server_id, cx) {
4781 Some((_, server)) => server.clone(),
4782 _ => return Task::ready(Ok(Default::default())),
4783 };
4784
4785 cx.spawn(|this, mut cx| async move {
4786 let can_resolve = lang_server
4787 .capabilities()
4788 .completion_provider
4789 .as_ref()
4790 .and_then(|options| options.resolve_provider)
4791 .unwrap_or(false);
4792 let additional_text_edits = if can_resolve {
4793 lang_server
4794 .request::<lsp::request::ResolveCompletionItem>(completion.lsp_completion)
4795 .await?
4796 .additional_text_edits
4797 } else {
4798 completion.lsp_completion.additional_text_edits
4799 };
4800 if let Some(edits) = additional_text_edits {
4801 let edits = this
4802 .update(&mut cx, |this, cx| {
4803 this.edits_from_lsp(
4804 &buffer_handle,
4805 edits,
4806 lang_server.server_id(),
4807 None,
4808 cx,
4809 )
4810 })
4811 .await?;
4812
4813 buffer_handle.update(&mut cx, |buffer, cx| {
4814 buffer.finalize_last_transaction();
4815 buffer.start_transaction();
4816
4817 for (range, text) in edits {
4818 let primary = &completion.old_range;
4819 let start_within = primary.start.cmp(&range.start, buffer).is_le()
4820 && primary.end.cmp(&range.start, buffer).is_ge();
4821 let end_within = range.start.cmp(&primary.end, buffer).is_le()
4822 && range.end.cmp(&primary.end, buffer).is_ge();
4823
4824 //Skip additional edits which overlap with the primary completion edit
4825 //https://github.com/zed-industries/zed/pull/1871
4826 if !start_within && !end_within {
4827 buffer.edit([(range, text)], None, cx);
4828 }
4829 }
4830
4831 let transaction = if buffer.end_transaction(cx).is_some() {
4832 let transaction = buffer.finalize_last_transaction().unwrap().clone();
4833 if !push_to_history {
4834 buffer.forget_transaction(transaction.id);
4835 }
4836 Some(transaction)
4837 } else {
4838 None
4839 };
4840 Ok(transaction)
4841 })
4842 } else {
4843 Ok(None)
4844 }
4845 })
4846 } else if let Some(project_id) = self.remote_id() {
4847 let client = self.client.clone();
4848 cx.spawn(|_, mut cx| async move {
4849 let response = client
4850 .request(proto::ApplyCompletionAdditionalEdits {
4851 project_id,
4852 buffer_id,
4853 completion: Some(language::proto::serialize_completion(&completion)),
4854 })
4855 .await?;
4856
4857 if let Some(transaction) = response.transaction {
4858 let transaction = language::proto::deserialize_transaction(transaction)?;
4859 buffer_handle
4860 .update(&mut cx, |buffer, _| {
4861 buffer.wait_for_edits(transaction.edit_ids.iter().copied())
4862 })
4863 .await?;
4864 if push_to_history {
4865 buffer_handle.update(&mut cx, |buffer, _| {
4866 buffer.push_transaction(transaction.clone(), Instant::now());
4867 });
4868 }
4869 Ok(Some(transaction))
4870 } else {
4871 Ok(None)
4872 }
4873 })
4874 } else {
4875 Task::ready(Err(anyhow!("project does not have a remote id")))
4876 }
4877 }
4878
4879 pub fn code_actions<T: Clone + ToOffset>(
4880 &self,
4881 buffer_handle: &ModelHandle<Buffer>,
4882 range: Range<T>,
4883 cx: &mut ModelContext<Self>,
4884 ) -> Task<Result<Vec<CodeAction>>> {
4885 let buffer = buffer_handle.read(cx);
4886 let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
4887 self.request_lsp(
4888 buffer_handle.clone(),
4889 LanguageServerToQuery::Primary,
4890 GetCodeActions { range },
4891 cx,
4892 )
4893 }
4894
4895 pub fn apply_code_action(
4896 &self,
4897 buffer_handle: ModelHandle<Buffer>,
4898 mut action: CodeAction,
4899 push_to_history: bool,
4900 cx: &mut ModelContext<Self>,
4901 ) -> Task<Result<ProjectTransaction>> {
4902 if self.is_local() {
4903 let buffer = buffer_handle.read(cx);
4904 let (lsp_adapter, lang_server) = if let Some((adapter, server)) =
4905 self.language_server_for_buffer(buffer, action.server_id, cx)
4906 {
4907 (adapter.clone(), server.clone())
4908 } else {
4909 return Task::ready(Ok(Default::default()));
4910 };
4911 let range = action.range.to_point_utf16(buffer);
4912
4913 cx.spawn(|this, mut cx| async move {
4914 if let Some(lsp_range) = action
4915 .lsp_action
4916 .data
4917 .as_mut()
4918 .and_then(|d| d.get_mut("codeActionParams"))
4919 .and_then(|d| d.get_mut("range"))
4920 {
4921 *lsp_range = serde_json::to_value(&range_to_lsp(range)).unwrap();
4922 action.lsp_action = lang_server
4923 .request::<lsp::request::CodeActionResolveRequest>(action.lsp_action)
4924 .await?;
4925 } else {
4926 let actions = this
4927 .update(&mut cx, |this, cx| {
4928 this.code_actions(&buffer_handle, action.range, cx)
4929 })
4930 .await?;
4931 action.lsp_action = actions
4932 .into_iter()
4933 .find(|a| a.lsp_action.title == action.lsp_action.title)
4934 .ok_or_else(|| anyhow!("code action is outdated"))?
4935 .lsp_action;
4936 }
4937
4938 if let Some(edit) = action.lsp_action.edit {
4939 if edit.changes.is_some() || edit.document_changes.is_some() {
4940 return Self::deserialize_workspace_edit(
4941 this,
4942 edit,
4943 push_to_history,
4944 lsp_adapter.clone(),
4945 lang_server.clone(),
4946 &mut cx,
4947 )
4948 .await;
4949 }
4950 }
4951
4952 if let Some(command) = action.lsp_action.command {
4953 this.update(&mut cx, |this, _| {
4954 this.last_workspace_edits_by_language_server
4955 .remove(&lang_server.server_id());
4956 });
4957
4958 let result = lang_server
4959 .request::<lsp::request::ExecuteCommand>(lsp::ExecuteCommandParams {
4960 command: command.command,
4961 arguments: command.arguments.unwrap_or_default(),
4962 ..Default::default()
4963 })
4964 .await;
4965
4966 if let Err(err) = result {
4967 // TODO: LSP ERROR
4968 return Err(err);
4969 }
4970
4971 return Ok(this.update(&mut cx, |this, _| {
4972 this.last_workspace_edits_by_language_server
4973 .remove(&lang_server.server_id())
4974 .unwrap_or_default()
4975 }));
4976 }
4977
4978 Ok(ProjectTransaction::default())
4979 })
4980 } else if let Some(project_id) = self.remote_id() {
4981 let client = self.client.clone();
4982 let request = proto::ApplyCodeAction {
4983 project_id,
4984 buffer_id: buffer_handle.read(cx).remote_id(),
4985 action: Some(language::proto::serialize_code_action(&action)),
4986 };
4987 cx.spawn(|this, mut cx| async move {
4988 let response = client
4989 .request(request)
4990 .await?
4991 .transaction
4992 .ok_or_else(|| anyhow!("missing transaction"))?;
4993 this.update(&mut cx, |this, cx| {
4994 this.deserialize_project_transaction(response, push_to_history, cx)
4995 })
4996 .await
4997 })
4998 } else {
4999 Task::ready(Err(anyhow!("project does not have a remote id")))
5000 }
5001 }
5002
5003 fn apply_on_type_formatting(
5004 &self,
5005 buffer: ModelHandle<Buffer>,
5006 position: Anchor,
5007 trigger: String,
5008 cx: &mut ModelContext<Self>,
5009 ) -> Task<Result<Option<Transaction>>> {
5010 if self.is_local() {
5011 cx.spawn(|this, mut cx| async move {
5012 // Do not allow multiple concurrent formatting requests for the
5013 // same buffer.
5014 this.update(&mut cx, |this, cx| {
5015 this.buffers_being_formatted
5016 .insert(buffer.read(cx).remote_id())
5017 });
5018
5019 let _cleanup = defer({
5020 let this = this.clone();
5021 let mut cx = cx.clone();
5022 let closure_buffer = buffer.clone();
5023 move || {
5024 this.update(&mut cx, |this, cx| {
5025 this.buffers_being_formatted
5026 .remove(&closure_buffer.read(cx).remote_id());
5027 });
5028 }
5029 });
5030
5031 buffer
5032 .update(&mut cx, |buffer, _| {
5033 buffer.wait_for_edits(Some(position.timestamp))
5034 })
5035 .await?;
5036 this.update(&mut cx, |this, cx| {
5037 let position = position.to_point_utf16(buffer.read(cx));
5038 this.on_type_format(buffer, position, trigger, false, cx)
5039 })
5040 .await
5041 })
5042 } else if let Some(project_id) = self.remote_id() {
5043 let client = self.client.clone();
5044 let request = proto::OnTypeFormatting {
5045 project_id,
5046 buffer_id: buffer.read(cx).remote_id(),
5047 position: Some(serialize_anchor(&position)),
5048 trigger,
5049 version: serialize_version(&buffer.read(cx).version()),
5050 };
5051 cx.spawn(|_, _| async move {
5052 client
5053 .request(request)
5054 .await?
5055 .transaction
5056 .map(language::proto::deserialize_transaction)
5057 .transpose()
5058 })
5059 } else {
5060 Task::ready(Err(anyhow!("project does not have a remote id")))
5061 }
5062 }
5063
5064 async fn deserialize_edits(
5065 this: ModelHandle<Self>,
5066 buffer_to_edit: ModelHandle<Buffer>,
5067 edits: Vec<lsp::TextEdit>,
5068 push_to_history: bool,
5069 _: Arc<CachedLspAdapter>,
5070 language_server: Arc<LanguageServer>,
5071 cx: &mut AsyncAppContext,
5072 ) -> Result<Option<Transaction>> {
5073 let edits = this
5074 .update(cx, |this, cx| {
5075 this.edits_from_lsp(
5076 &buffer_to_edit,
5077 edits,
5078 language_server.server_id(),
5079 None,
5080 cx,
5081 )
5082 })
5083 .await?;
5084
5085 let transaction = buffer_to_edit.update(cx, |buffer, cx| {
5086 buffer.finalize_last_transaction();
5087 buffer.start_transaction();
5088 for (range, text) in edits {
5089 buffer.edit([(range, text)], None, cx);
5090 }
5091
5092 if buffer.end_transaction(cx).is_some() {
5093 let transaction = buffer.finalize_last_transaction().unwrap().clone();
5094 if !push_to_history {
5095 buffer.forget_transaction(transaction.id);
5096 }
5097 Some(transaction)
5098 } else {
5099 None
5100 }
5101 });
5102
5103 Ok(transaction)
5104 }
5105
5106 async fn deserialize_workspace_edit(
5107 this: ModelHandle<Self>,
5108 edit: lsp::WorkspaceEdit,
5109 push_to_history: bool,
5110 lsp_adapter: Arc<CachedLspAdapter>,
5111 language_server: Arc<LanguageServer>,
5112 cx: &mut AsyncAppContext,
5113 ) -> Result<ProjectTransaction> {
5114 let fs = this.read_with(cx, |this, _| this.fs.clone());
5115 let mut operations = Vec::new();
5116 if let Some(document_changes) = edit.document_changes {
5117 match document_changes {
5118 lsp::DocumentChanges::Edits(edits) => {
5119 operations.extend(edits.into_iter().map(lsp::DocumentChangeOperation::Edit))
5120 }
5121 lsp::DocumentChanges::Operations(ops) => operations = ops,
5122 }
5123 } else if let Some(changes) = edit.changes {
5124 operations.extend(changes.into_iter().map(|(uri, edits)| {
5125 lsp::DocumentChangeOperation::Edit(lsp::TextDocumentEdit {
5126 text_document: lsp::OptionalVersionedTextDocumentIdentifier {
5127 uri,
5128 version: None,
5129 },
5130 edits: edits.into_iter().map(OneOf::Left).collect(),
5131 })
5132 }));
5133 }
5134
5135 let mut project_transaction = ProjectTransaction::default();
5136 for operation in operations {
5137 match operation {
5138 lsp::DocumentChangeOperation::Op(lsp::ResourceOp::Create(op)) => {
5139 let abs_path = op
5140 .uri
5141 .to_file_path()
5142 .map_err(|_| anyhow!("can't convert URI to path"))?;
5143
5144 if let Some(parent_path) = abs_path.parent() {
5145 fs.create_dir(parent_path).await?;
5146 }
5147 if abs_path.ends_with("/") {
5148 fs.create_dir(&abs_path).await?;
5149 } else {
5150 fs.create_file(
5151 &abs_path,
5152 op.options
5153 .map(|options| fs::CreateOptions {
5154 overwrite: options.overwrite.unwrap_or(false),
5155 ignore_if_exists: options.ignore_if_exists.unwrap_or(false),
5156 })
5157 .unwrap_or_default(),
5158 )
5159 .await?;
5160 }
5161 }
5162
5163 lsp::DocumentChangeOperation::Op(lsp::ResourceOp::Rename(op)) => {
5164 let source_abs_path = op
5165 .old_uri
5166 .to_file_path()
5167 .map_err(|_| anyhow!("can't convert URI to path"))?;
5168 let target_abs_path = op
5169 .new_uri
5170 .to_file_path()
5171 .map_err(|_| anyhow!("can't convert URI to path"))?;
5172 fs.rename(
5173 &source_abs_path,
5174 &target_abs_path,
5175 op.options
5176 .map(|options| fs::RenameOptions {
5177 overwrite: options.overwrite.unwrap_or(false),
5178 ignore_if_exists: options.ignore_if_exists.unwrap_or(false),
5179 })
5180 .unwrap_or_default(),
5181 )
5182 .await?;
5183 }
5184
5185 lsp::DocumentChangeOperation::Op(lsp::ResourceOp::Delete(op)) => {
5186 let abs_path = op
5187 .uri
5188 .to_file_path()
5189 .map_err(|_| anyhow!("can't convert URI to path"))?;
5190 let options = op
5191 .options
5192 .map(|options| fs::RemoveOptions {
5193 recursive: options.recursive.unwrap_or(false),
5194 ignore_if_not_exists: options.ignore_if_not_exists.unwrap_or(false),
5195 })
5196 .unwrap_or_default();
5197 if abs_path.ends_with("/") {
5198 fs.remove_dir(&abs_path, options).await?;
5199 } else {
5200 fs.remove_file(&abs_path, options).await?;
5201 }
5202 }
5203
5204 lsp::DocumentChangeOperation::Edit(op) => {
5205 let buffer_to_edit = this
5206 .update(cx, |this, cx| {
5207 this.open_local_buffer_via_lsp(
5208 op.text_document.uri,
5209 language_server.server_id(),
5210 lsp_adapter.name.clone(),
5211 cx,
5212 )
5213 })
5214 .await?;
5215
5216 let edits = this
5217 .update(cx, |this, cx| {
5218 let edits = op.edits.into_iter().map(|edit| match edit {
5219 OneOf::Left(edit) => edit,
5220 OneOf::Right(edit) => edit.text_edit,
5221 });
5222 this.edits_from_lsp(
5223 &buffer_to_edit,
5224 edits,
5225 language_server.server_id(),
5226 op.text_document.version,
5227 cx,
5228 )
5229 })
5230 .await?;
5231
5232 let transaction = buffer_to_edit.update(cx, |buffer, cx| {
5233 buffer.finalize_last_transaction();
5234 buffer.start_transaction();
5235 for (range, text) in edits {
5236 buffer.edit([(range, text)], None, cx);
5237 }
5238 let transaction = if buffer.end_transaction(cx).is_some() {
5239 let transaction = buffer.finalize_last_transaction().unwrap().clone();
5240 if !push_to_history {
5241 buffer.forget_transaction(transaction.id);
5242 }
5243 Some(transaction)
5244 } else {
5245 None
5246 };
5247
5248 transaction
5249 });
5250 if let Some(transaction) = transaction {
5251 project_transaction.0.insert(buffer_to_edit, transaction);
5252 }
5253 }
5254 }
5255 }
5256
5257 Ok(project_transaction)
5258 }
5259
5260 pub fn prepare_rename<T: ToPointUtf16>(
5261 &self,
5262 buffer: ModelHandle<Buffer>,
5263 position: T,
5264 cx: &mut ModelContext<Self>,
5265 ) -> Task<Result<Option<Range<Anchor>>>> {
5266 let position = position.to_point_utf16(buffer.read(cx));
5267 self.request_lsp(
5268 buffer,
5269 LanguageServerToQuery::Primary,
5270 PrepareRename { position },
5271 cx,
5272 )
5273 }
5274
5275 pub fn perform_rename<T: ToPointUtf16>(
5276 &self,
5277 buffer: ModelHandle<Buffer>,
5278 position: T,
5279 new_name: String,
5280 push_to_history: bool,
5281 cx: &mut ModelContext<Self>,
5282 ) -> Task<Result<ProjectTransaction>> {
5283 let position = position.to_point_utf16(buffer.read(cx));
5284 self.request_lsp(
5285 buffer,
5286 LanguageServerToQuery::Primary,
5287 PerformRename {
5288 position,
5289 new_name,
5290 push_to_history,
5291 },
5292 cx,
5293 )
5294 }
5295
5296 pub fn on_type_format<T: ToPointUtf16>(
5297 &self,
5298 buffer: ModelHandle<Buffer>,
5299 position: T,
5300 trigger: String,
5301 push_to_history: bool,
5302 cx: &mut ModelContext<Self>,
5303 ) -> Task<Result<Option<Transaction>>> {
5304 let (position, tab_size) = buffer.read_with(cx, |buffer, cx| {
5305 let position = position.to_point_utf16(buffer);
5306 (
5307 position,
5308 language_settings(buffer.language_at(position).as_ref(), buffer.file(), cx)
5309 .tab_size,
5310 )
5311 });
5312 self.request_lsp(
5313 buffer.clone(),
5314 LanguageServerToQuery::Primary,
5315 OnTypeFormatting {
5316 position,
5317 trigger,
5318 options: lsp_command::lsp_formatting_options(tab_size.get()).into(),
5319 push_to_history,
5320 },
5321 cx,
5322 )
5323 }
5324
5325 pub fn inlay_hints<T: ToOffset>(
5326 &self,
5327 buffer_handle: ModelHandle<Buffer>,
5328 range: Range<T>,
5329 cx: &mut ModelContext<Self>,
5330 ) -> Task<anyhow::Result<Vec<InlayHint>>> {
5331 let buffer = buffer_handle.read(cx);
5332 let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
5333 let range_start = range.start;
5334 let range_end = range.end;
5335 let buffer_id = buffer.remote_id();
5336 let buffer_version = buffer.version().clone();
5337 let lsp_request = InlayHints { range };
5338
5339 if self.is_local() {
5340 let lsp_request_task = self.request_lsp(
5341 buffer_handle.clone(),
5342 LanguageServerToQuery::Primary,
5343 lsp_request,
5344 cx,
5345 );
5346 cx.spawn(|_, mut cx| async move {
5347 buffer_handle
5348 .update(&mut cx, |buffer, _| {
5349 buffer.wait_for_edits(vec![range_start.timestamp, range_end.timestamp])
5350 })
5351 .await
5352 .context("waiting for inlay hint request range edits")?;
5353 lsp_request_task.await.context("inlay hints LSP request")
5354 })
5355 } else if let Some(project_id) = self.remote_id() {
5356 let client = self.client.clone();
5357 let request = proto::InlayHints {
5358 project_id,
5359 buffer_id,
5360 start: Some(serialize_anchor(&range_start)),
5361 end: Some(serialize_anchor(&range_end)),
5362 version: serialize_version(&buffer_version),
5363 };
5364 cx.spawn(|project, cx| async move {
5365 let response = client
5366 .request(request)
5367 .await
5368 .context("inlay hints proto request")?;
5369 let hints_request_result = LspCommand::response_from_proto(
5370 lsp_request,
5371 response,
5372 project,
5373 buffer_handle.clone(),
5374 cx,
5375 )
5376 .await;
5377
5378 hints_request_result.context("inlay hints proto response conversion")
5379 })
5380 } else {
5381 Task::ready(Err(anyhow!("project does not have a remote id")))
5382 }
5383 }
5384
5385 pub fn resolve_inlay_hint(
5386 &self,
5387 hint: InlayHint,
5388 buffer_handle: ModelHandle<Buffer>,
5389 server_id: LanguageServerId,
5390 cx: &mut ModelContext<Self>,
5391 ) -> Task<anyhow::Result<InlayHint>> {
5392 if self.is_local() {
5393 let buffer = buffer_handle.read(cx);
5394 let (_, lang_server) = if let Some((adapter, server)) =
5395 self.language_server_for_buffer(buffer, server_id, cx)
5396 {
5397 (adapter.clone(), server.clone())
5398 } else {
5399 return Task::ready(Ok(hint));
5400 };
5401 if !InlayHints::can_resolve_inlays(lang_server.capabilities()) {
5402 return Task::ready(Ok(hint));
5403 }
5404
5405 let buffer_snapshot = buffer.snapshot();
5406 cx.spawn(|_, mut cx| async move {
5407 let resolve_task = lang_server.request::<lsp::request::InlayHintResolveRequest>(
5408 InlayHints::project_to_lsp_hint(hint, &buffer_snapshot),
5409 );
5410 let resolved_hint = resolve_task
5411 .await
5412 .context("inlay hint resolve LSP request")?;
5413 let resolved_hint = InlayHints::lsp_to_project_hint(
5414 resolved_hint,
5415 &buffer_handle,
5416 server_id,
5417 ResolveState::Resolved,
5418 false,
5419 &mut cx,
5420 )
5421 .await?;
5422 Ok(resolved_hint)
5423 })
5424 } else if let Some(project_id) = self.remote_id() {
5425 let client = self.client.clone();
5426 let request = proto::ResolveInlayHint {
5427 project_id,
5428 buffer_id: buffer_handle.read(cx).remote_id(),
5429 language_server_id: server_id.0 as u64,
5430 hint: Some(InlayHints::project_to_proto_hint(hint.clone())),
5431 };
5432 cx.spawn(|_, _| async move {
5433 let response = client
5434 .request(request)
5435 .await
5436 .context("inlay hints proto request")?;
5437 match response.hint {
5438 Some(resolved_hint) => InlayHints::proto_to_project_hint(resolved_hint)
5439 .context("inlay hints proto resolve response conversion"),
5440 None => Ok(hint),
5441 }
5442 })
5443 } else {
5444 Task::ready(Err(anyhow!("project does not have a remote id")))
5445 }
5446 }
5447
5448 #[allow(clippy::type_complexity)]
5449 pub fn search(
5450 &self,
5451 query: SearchQuery,
5452 cx: &mut ModelContext<Self>,
5453 ) -> Receiver<(ModelHandle<Buffer>, Vec<Range<Anchor>>)> {
5454 if self.is_local() {
5455 self.search_local(query, cx)
5456 } else if let Some(project_id) = self.remote_id() {
5457 let (tx, rx) = smol::channel::unbounded();
5458 let request = self.client.request(query.to_proto(project_id));
5459 cx.spawn(|this, mut cx| async move {
5460 let response = request.await?;
5461 let mut result = HashMap::default();
5462 for location in response.locations {
5463 let target_buffer = this
5464 .update(&mut cx, |this, cx| {
5465 this.wait_for_remote_buffer(location.buffer_id, cx)
5466 })
5467 .await?;
5468 let start = location
5469 .start
5470 .and_then(deserialize_anchor)
5471 .ok_or_else(|| anyhow!("missing target start"))?;
5472 let end = location
5473 .end
5474 .and_then(deserialize_anchor)
5475 .ok_or_else(|| anyhow!("missing target end"))?;
5476 result
5477 .entry(target_buffer)
5478 .or_insert(Vec::new())
5479 .push(start..end)
5480 }
5481 for (buffer, ranges) in result {
5482 let _ = tx.send((buffer, ranges)).await;
5483 }
5484 Result::<(), anyhow::Error>::Ok(())
5485 })
5486 .detach_and_log_err(cx);
5487 rx
5488 } else {
5489 unimplemented!();
5490 }
5491 }
5492
5493 pub fn search_local(
5494 &self,
5495 query: SearchQuery,
5496 cx: &mut ModelContext<Self>,
5497 ) -> Receiver<(ModelHandle<Buffer>, Vec<Range<Anchor>>)> {
5498 // Local search is split into several phases.
5499 // TL;DR is that we do 2 passes; initial pass to pick files which contain at least one match
5500 // and the second phase that finds positions of all the matches found in the candidate files.
5501 // The Receiver obtained from this function returns matches sorted by buffer path. Files without a buffer path are reported first.
5502 //
5503 // It gets a bit hairy though, because we must account for files that do not have a persistent representation
5504 // on FS. Namely, if you have an untitled buffer or unsaved changes in a buffer, we want to scan that too.
5505 //
5506 // 1. We initialize a queue of match candidates and feed all opened buffers into it (== unsaved files / untitled buffers).
5507 // Then, we go through a worktree and check for files that do match a predicate. If the file had an opened version, we skip the scan
5508 // of FS version for that file altogether - after all, what we have in memory is more up-to-date than what's in FS.
5509 // 2. At this point, we have a list of all potentially matching buffers/files.
5510 // We sort that list by buffer path - this list is retained for later use.
5511 // We ensure that all buffers are now opened and available in project.
5512 // 3. We run a scan over all the candidate buffers on multiple background threads.
5513 // We cannot assume that there will even be a match - while at least one match
5514 // is guaranteed for files obtained from FS, the buffers we got from memory (unsaved files/unnamed buffers) might not have a match at all.
5515 // There is also an auxilliary background thread responsible for result gathering.
5516 // This is where the sorted list of buffers comes into play to maintain sorted order; Whenever this background thread receives a notification (buffer has/doesn't have matches),
5517 // it keeps it around. It reports matches in sorted order, though it accepts them in unsorted order as well.
5518 // As soon as the match info on next position in sorted order becomes available, it reports it (if it's a match) or skips to the next
5519 // entry - which might already be available thanks to out-of-order processing.
5520 //
5521 // We could also report matches fully out-of-order, without maintaining a sorted list of matching paths.
5522 // This however would mean that project search (that is the main user of this function) would have to do the sorting itself, on the go.
5523 // This isn't as straightforward as running an insertion sort sadly, and would also mean that it would have to care about maintaining match index
5524 // in face of constantly updating list of sorted matches.
5525 // Meanwhile, this implementation offers index stability, since the matches are already reported in a sorted order.
5526 let snapshots = self
5527 .visible_worktrees(cx)
5528 .filter_map(|tree| {
5529 let tree = tree.read(cx).as_local()?;
5530 Some(tree.snapshot())
5531 })
5532 .collect::<Vec<_>>();
5533
5534 let background = cx.background().clone();
5535 let path_count: usize = snapshots.iter().map(|s| s.visible_file_count()).sum();
5536 if path_count == 0 {
5537 let (_, rx) = smol::channel::bounded(1024);
5538 return rx;
5539 }
5540 let workers = background.num_cpus().min(path_count);
5541 let (matching_paths_tx, matching_paths_rx) = smol::channel::bounded(1024);
5542 let mut unnamed_files = vec![];
5543 let opened_buffers = self
5544 .opened_buffers
5545 .iter()
5546 .filter_map(|(_, b)| {
5547 let buffer = b.upgrade(cx)?;
5548 let snapshot = buffer.read_with(cx, |buffer, _| buffer.snapshot());
5549 if let Some(path) = snapshot.file().map(|file| file.path()) {
5550 Some((path.clone(), (buffer, snapshot)))
5551 } else {
5552 unnamed_files.push(buffer);
5553 None
5554 }
5555 })
5556 .collect();
5557 cx.background()
5558 .spawn(Self::background_search(
5559 unnamed_files,
5560 opened_buffers,
5561 cx.background().clone(),
5562 self.fs.clone(),
5563 workers,
5564 query.clone(),
5565 path_count,
5566 snapshots,
5567 matching_paths_tx,
5568 ))
5569 .detach();
5570
5571 let (buffers, buffers_rx) = Self::sort_candidates_and_open_buffers(matching_paths_rx, cx);
5572 let background = cx.background().clone();
5573 let (result_tx, result_rx) = smol::channel::bounded(1024);
5574 cx.background()
5575 .spawn(async move {
5576 let Ok(buffers) = buffers.await else {
5577 return;
5578 };
5579
5580 let buffers_len = buffers.len();
5581 if buffers_len == 0 {
5582 return;
5583 }
5584 let query = &query;
5585 let (finished_tx, mut finished_rx) = smol::channel::unbounded();
5586 background
5587 .scoped(|scope| {
5588 #[derive(Clone)]
5589 struct FinishedStatus {
5590 entry: Option<(ModelHandle<Buffer>, Vec<Range<Anchor>>)>,
5591 buffer_index: SearchMatchCandidateIndex,
5592 }
5593
5594 for _ in 0..workers {
5595 let finished_tx = finished_tx.clone();
5596 let mut buffers_rx = buffers_rx.clone();
5597 scope.spawn(async move {
5598 while let Some((entry, buffer_index)) = buffers_rx.next().await {
5599 let buffer_matches = if let Some((_, snapshot)) = entry.as_ref()
5600 {
5601 if query.file_matches(
5602 snapshot.file().map(|file| file.path().as_ref()),
5603 ) {
5604 query
5605 .search(&snapshot, None)
5606 .await
5607 .iter()
5608 .map(|range| {
5609 snapshot.anchor_before(range.start)
5610 ..snapshot.anchor_after(range.end)
5611 })
5612 .collect()
5613 } else {
5614 Vec::new()
5615 }
5616 } else {
5617 Vec::new()
5618 };
5619
5620 let status = if !buffer_matches.is_empty() {
5621 let entry = if let Some((buffer, _)) = entry.as_ref() {
5622 Some((buffer.clone(), buffer_matches))
5623 } else {
5624 None
5625 };
5626 FinishedStatus {
5627 entry,
5628 buffer_index,
5629 }
5630 } else {
5631 FinishedStatus {
5632 entry: None,
5633 buffer_index,
5634 }
5635 };
5636 if finished_tx.send(status).await.is_err() {
5637 break;
5638 }
5639 }
5640 });
5641 }
5642 // Report sorted matches
5643 scope.spawn(async move {
5644 let mut current_index = 0;
5645 let mut scratch = vec![None; buffers_len];
5646 while let Some(status) = finished_rx.next().await {
5647 debug_assert!(
5648 scratch[status.buffer_index].is_none(),
5649 "Got match status of position {} twice",
5650 status.buffer_index
5651 );
5652 let index = status.buffer_index;
5653 scratch[index] = Some(status);
5654 while current_index < buffers_len {
5655 let Some(current_entry) = scratch[current_index].take() else {
5656 // We intentionally **do not** increment `current_index` here. When next element arrives
5657 // from `finished_rx`, we will inspect the same position again, hoping for it to be Some(_)
5658 // this time.
5659 break;
5660 };
5661 if let Some(entry) = current_entry.entry {
5662 result_tx.send(entry).await.log_err();
5663 }
5664 current_index += 1;
5665 }
5666 if current_index == buffers_len {
5667 break;
5668 }
5669 }
5670 });
5671 })
5672 .await;
5673 })
5674 .detach();
5675 result_rx
5676 }
5677 /// Pick paths that might potentially contain a match of a given search query.
5678 async fn background_search(
5679 unnamed_buffers: Vec<ModelHandle<Buffer>>,
5680 opened_buffers: HashMap<Arc<Path>, (ModelHandle<Buffer>, BufferSnapshot)>,
5681 background: Arc<Background>,
5682 fs: Arc<dyn Fs>,
5683 workers: usize,
5684 query: SearchQuery,
5685 path_count: usize,
5686 snapshots: Vec<LocalSnapshot>,
5687 matching_paths_tx: Sender<SearchMatchCandidate>,
5688 ) {
5689 let fs = &fs;
5690 let query = &query;
5691 let matching_paths_tx = &matching_paths_tx;
5692 let snapshots = &snapshots;
5693 let paths_per_worker = (path_count + workers - 1) / workers;
5694 for buffer in unnamed_buffers {
5695 matching_paths_tx
5696 .send(SearchMatchCandidate::OpenBuffer {
5697 buffer: buffer.clone(),
5698 path: None,
5699 })
5700 .await
5701 .log_err();
5702 }
5703 for (path, (buffer, _)) in opened_buffers.iter() {
5704 matching_paths_tx
5705 .send(SearchMatchCandidate::OpenBuffer {
5706 buffer: buffer.clone(),
5707 path: Some(path.clone()),
5708 })
5709 .await
5710 .log_err();
5711 }
5712 background
5713 .scoped(|scope| {
5714 for worker_ix in 0..workers {
5715 let worker_start_ix = worker_ix * paths_per_worker;
5716 let worker_end_ix = worker_start_ix + paths_per_worker;
5717 let unnamed_buffers = opened_buffers.clone();
5718 scope.spawn(async move {
5719 let mut snapshot_start_ix = 0;
5720 let mut abs_path = PathBuf::new();
5721 for snapshot in snapshots {
5722 let snapshot_end_ix = snapshot_start_ix + snapshot.visible_file_count();
5723 if worker_end_ix <= snapshot_start_ix {
5724 break;
5725 } else if worker_start_ix > snapshot_end_ix {
5726 snapshot_start_ix = snapshot_end_ix;
5727 continue;
5728 } else {
5729 let start_in_snapshot =
5730 worker_start_ix.saturating_sub(snapshot_start_ix);
5731 let end_in_snapshot =
5732 cmp::min(worker_end_ix, snapshot_end_ix) - snapshot_start_ix;
5733
5734 for entry in snapshot
5735 .files(false, start_in_snapshot)
5736 .take(end_in_snapshot - start_in_snapshot)
5737 {
5738 if matching_paths_tx.is_closed() {
5739 break;
5740 }
5741 if unnamed_buffers.contains_key(&entry.path) {
5742 continue;
5743 }
5744 let matches = if query.file_matches(Some(&entry.path)) {
5745 abs_path.clear();
5746 abs_path.push(&snapshot.abs_path());
5747 abs_path.push(&entry.path);
5748 if let Some(file) = fs.open_sync(&abs_path).await.log_err()
5749 {
5750 query.detect(file).unwrap_or(false)
5751 } else {
5752 false
5753 }
5754 } else {
5755 false
5756 };
5757
5758 if matches {
5759 let project_path = SearchMatchCandidate::Path {
5760 worktree_id: snapshot.id(),
5761 path: entry.path.clone(),
5762 };
5763 if matching_paths_tx.send(project_path).await.is_err() {
5764 break;
5765 }
5766 }
5767 }
5768
5769 snapshot_start_ix = snapshot_end_ix;
5770 }
5771 }
5772 });
5773 }
5774 })
5775 .await;
5776 }
5777
5778 fn request_lsp<R: LspCommand>(
5779 &self,
5780 buffer_handle: ModelHandle<Buffer>,
5781 server: LanguageServerToQuery,
5782 request: R,
5783 cx: &mut ModelContext<Self>,
5784 ) -> Task<Result<R::Response>>
5785 where
5786 <R::LspRequest as lsp::request::Request>::Result: Send,
5787 {
5788 let buffer = buffer_handle.read(cx);
5789 if self.is_local() {
5790 let language_server = match server {
5791 LanguageServerToQuery::Primary => {
5792 match self.primary_language_server_for_buffer(buffer, cx) {
5793 Some((_, server)) => Some(Arc::clone(server)),
5794 None => return Task::ready(Ok(Default::default())),
5795 }
5796 }
5797 LanguageServerToQuery::Other(id) => self
5798 .language_server_for_buffer(buffer, id, cx)
5799 .map(|(_, server)| Arc::clone(server)),
5800 };
5801 let file = File::from_dyn(buffer.file()).and_then(File::as_local);
5802 if let (Some(file), Some(language_server)) = (file, language_server) {
5803 let lsp_params = request.to_lsp(&file.abs_path(cx), buffer, &language_server, cx);
5804 return cx.spawn(|this, cx| async move {
5805 if !request.check_capabilities(language_server.capabilities()) {
5806 return Ok(Default::default());
5807 }
5808
5809 let result = language_server.request::<R::LspRequest>(lsp_params).await;
5810 let response = match result {
5811 Ok(response) => response,
5812
5813 Err(err) => {
5814 log::warn!(
5815 "Generic lsp request to {} failed: {}",
5816 language_server.name(),
5817 err
5818 );
5819 return Err(err);
5820 }
5821 };
5822
5823 request
5824 .response_from_lsp(
5825 response,
5826 this,
5827 buffer_handle,
5828 language_server.server_id(),
5829 cx,
5830 )
5831 .await
5832 });
5833 }
5834 } else if let Some(project_id) = self.remote_id() {
5835 return self.send_lsp_proto_request(buffer_handle, project_id, request, cx);
5836 }
5837
5838 Task::ready(Ok(Default::default()))
5839 }
5840
5841 fn send_lsp_proto_request<R: LspCommand>(
5842 &self,
5843 buffer: ModelHandle<Buffer>,
5844 project_id: u64,
5845 request: R,
5846 cx: &mut ModelContext<'_, Project>,
5847 ) -> Task<anyhow::Result<<R as LspCommand>::Response>> {
5848 let rpc = self.client.clone();
5849 let message = request.to_proto(project_id, buffer.read(cx));
5850 cx.spawn_weak(|this, cx| async move {
5851 // Ensure the project is still alive by the time the task
5852 // is scheduled.
5853 this.upgrade(&cx)
5854 .ok_or_else(|| anyhow!("project dropped"))?;
5855 let response = rpc.request(message).await?;
5856 let this = this
5857 .upgrade(&cx)
5858 .ok_or_else(|| anyhow!("project dropped"))?;
5859 if this.read_with(&cx, |this, _| this.is_read_only()) {
5860 Err(anyhow!("disconnected before completing request"))
5861 } else {
5862 request
5863 .response_from_proto(response, this, buffer, cx)
5864 .await
5865 }
5866 })
5867 }
5868
5869 fn sort_candidates_and_open_buffers(
5870 mut matching_paths_rx: Receiver<SearchMatchCandidate>,
5871 cx: &mut ModelContext<Self>,
5872 ) -> (
5873 futures::channel::oneshot::Receiver<Vec<SearchMatchCandidate>>,
5874 Receiver<(
5875 Option<(ModelHandle<Buffer>, BufferSnapshot)>,
5876 SearchMatchCandidateIndex,
5877 )>,
5878 ) {
5879 let (buffers_tx, buffers_rx) = smol::channel::bounded(1024);
5880 let (sorted_buffers_tx, sorted_buffers_rx) = futures::channel::oneshot::channel();
5881 cx.spawn(|this, cx| async move {
5882 let mut buffers = vec![];
5883 while let Some(entry) = matching_paths_rx.next().await {
5884 buffers.push(entry);
5885 }
5886 buffers.sort_by_key(|candidate| candidate.path());
5887 let matching_paths = buffers.clone();
5888 let _ = sorted_buffers_tx.send(buffers);
5889 for (index, candidate) in matching_paths.into_iter().enumerate() {
5890 if buffers_tx.is_closed() {
5891 break;
5892 }
5893 let this = this.clone();
5894 let buffers_tx = buffers_tx.clone();
5895 cx.spawn(|mut cx| async move {
5896 let buffer = match candidate {
5897 SearchMatchCandidate::OpenBuffer { buffer, .. } => Some(buffer),
5898 SearchMatchCandidate::Path { worktree_id, path } => this
5899 .update(&mut cx, |this, cx| {
5900 this.open_buffer((worktree_id, path), cx)
5901 })
5902 .await
5903 .log_err(),
5904 };
5905 if let Some(buffer) = buffer {
5906 let snapshot = buffer.read_with(&cx, |buffer, _| buffer.snapshot());
5907 buffers_tx
5908 .send((Some((buffer, snapshot)), index))
5909 .await
5910 .log_err();
5911 } else {
5912 buffers_tx.send((None, index)).await.log_err();
5913 }
5914
5915 Ok::<_, anyhow::Error>(())
5916 })
5917 .detach();
5918 }
5919 })
5920 .detach();
5921 (sorted_buffers_rx, buffers_rx)
5922 }
5923
5924 pub fn find_or_create_local_worktree(
5925 &mut self,
5926 abs_path: impl AsRef<Path>,
5927 visible: bool,
5928 cx: &mut ModelContext<Self>,
5929 ) -> Task<Result<(ModelHandle<Worktree>, PathBuf)>> {
5930 let abs_path = abs_path.as_ref();
5931 if let Some((tree, relative_path)) = self.find_local_worktree(abs_path, cx) {
5932 Task::ready(Ok((tree, relative_path)))
5933 } else {
5934 let worktree = self.create_local_worktree(abs_path, visible, cx);
5935 cx.foreground()
5936 .spawn(async move { Ok((worktree.await?, PathBuf::new())) })
5937 }
5938 }
5939
5940 pub fn find_local_worktree(
5941 &self,
5942 abs_path: &Path,
5943 cx: &AppContext,
5944 ) -> Option<(ModelHandle<Worktree>, PathBuf)> {
5945 for tree in &self.worktrees {
5946 if let Some(tree) = tree.upgrade(cx) {
5947 if let Some(relative_path) = tree
5948 .read(cx)
5949 .as_local()
5950 .and_then(|t| abs_path.strip_prefix(t.abs_path()).ok())
5951 {
5952 return Some((tree.clone(), relative_path.into()));
5953 }
5954 }
5955 }
5956 None
5957 }
5958
5959 pub fn is_shared(&self) -> bool {
5960 match &self.client_state {
5961 Some(ProjectClientState::Local { .. }) => true,
5962 _ => false,
5963 }
5964 }
5965
5966 fn create_local_worktree(
5967 &mut self,
5968 abs_path: impl AsRef<Path>,
5969 visible: bool,
5970 cx: &mut ModelContext<Self>,
5971 ) -> Task<Result<ModelHandle<Worktree>>> {
5972 let fs = self.fs.clone();
5973 let client = self.client.clone();
5974 let next_entry_id = self.next_entry_id.clone();
5975 let path: Arc<Path> = abs_path.as_ref().into();
5976 let task = self
5977 .loading_local_worktrees
5978 .entry(path.clone())
5979 .or_insert_with(|| {
5980 cx.spawn(|project, mut cx| {
5981 async move {
5982 let worktree = Worktree::local(
5983 client.clone(),
5984 path.clone(),
5985 visible,
5986 fs,
5987 next_entry_id,
5988 &mut cx,
5989 )
5990 .await;
5991
5992 project.update(&mut cx, |project, _| {
5993 project.loading_local_worktrees.remove(&path);
5994 });
5995
5996 let worktree = worktree?;
5997 project.update(&mut cx, |project, cx| project.add_worktree(&worktree, cx));
5998 Ok(worktree)
5999 }
6000 .map_err(Arc::new)
6001 })
6002 .shared()
6003 })
6004 .clone();
6005 cx.foreground().spawn(async move {
6006 match task.await {
6007 Ok(worktree) => Ok(worktree),
6008 Err(err) => Err(anyhow!("{}", err)),
6009 }
6010 })
6011 }
6012
6013 pub fn remove_worktree(&mut self, id_to_remove: WorktreeId, cx: &mut ModelContext<Self>) {
6014 self.worktrees.retain(|worktree| {
6015 if let Some(worktree) = worktree.upgrade(cx) {
6016 let id = worktree.read(cx).id();
6017 if id == id_to_remove {
6018 cx.emit(Event::WorktreeRemoved(id));
6019 false
6020 } else {
6021 true
6022 }
6023 } else {
6024 false
6025 }
6026 });
6027 self.metadata_changed(cx);
6028 }
6029
6030 fn add_worktree(&mut self, worktree: &ModelHandle<Worktree>, cx: &mut ModelContext<Self>) {
6031 cx.observe(worktree, |_, _, cx| cx.notify()).detach();
6032 if worktree.read(cx).is_local() {
6033 cx.subscribe(worktree, |this, worktree, event, cx| match event {
6034 worktree::Event::UpdatedEntries(changes) => {
6035 this.update_local_worktree_buffers(&worktree, changes, cx);
6036 this.update_local_worktree_language_servers(&worktree, changes, cx);
6037 this.update_local_worktree_settings(&worktree, changes, cx);
6038 this.update_prettier_settings(&worktree, changes, cx);
6039 cx.emit(Event::WorktreeUpdatedEntries(
6040 worktree.read(cx).id(),
6041 changes.clone(),
6042 ));
6043 }
6044 worktree::Event::UpdatedGitRepositories(updated_repos) => {
6045 this.update_local_worktree_buffers_git_repos(worktree, updated_repos, cx)
6046 }
6047 })
6048 .detach();
6049 }
6050
6051 let push_strong_handle = {
6052 let worktree = worktree.read(cx);
6053 self.is_shared() || worktree.is_visible() || worktree.is_remote()
6054 };
6055 if push_strong_handle {
6056 self.worktrees
6057 .push(WorktreeHandle::Strong(worktree.clone()));
6058 } else {
6059 self.worktrees
6060 .push(WorktreeHandle::Weak(worktree.downgrade()));
6061 }
6062
6063 let handle_id = worktree.id();
6064 cx.observe_release(worktree, move |this, worktree, cx| {
6065 let _ = this.remove_worktree(worktree.id(), cx);
6066 cx.update_global::<SettingsStore, _, _>(|store, cx| {
6067 store.clear_local_settings(handle_id, cx).log_err()
6068 });
6069 })
6070 .detach();
6071
6072 cx.emit(Event::WorktreeAdded);
6073 self.metadata_changed(cx);
6074 }
6075
6076 fn update_local_worktree_buffers(
6077 &mut self,
6078 worktree_handle: &ModelHandle<Worktree>,
6079 changes: &[(Arc<Path>, ProjectEntryId, PathChange)],
6080 cx: &mut ModelContext<Self>,
6081 ) {
6082 let snapshot = worktree_handle.read(cx).snapshot();
6083
6084 let mut renamed_buffers = Vec::new();
6085 for (path, entry_id, _) in changes {
6086 let worktree_id = worktree_handle.read(cx).id();
6087 let project_path = ProjectPath {
6088 worktree_id,
6089 path: path.clone(),
6090 };
6091
6092 let buffer_id = match self.local_buffer_ids_by_entry_id.get(entry_id) {
6093 Some(&buffer_id) => buffer_id,
6094 None => match self.local_buffer_ids_by_path.get(&project_path) {
6095 Some(&buffer_id) => buffer_id,
6096 None => {
6097 continue;
6098 }
6099 },
6100 };
6101
6102 let open_buffer = self.opened_buffers.get(&buffer_id);
6103 let buffer = if let Some(buffer) = open_buffer.and_then(|buffer| buffer.upgrade(cx)) {
6104 buffer
6105 } else {
6106 self.opened_buffers.remove(&buffer_id);
6107 self.local_buffer_ids_by_path.remove(&project_path);
6108 self.local_buffer_ids_by_entry_id.remove(entry_id);
6109 continue;
6110 };
6111
6112 buffer.update(cx, |buffer, cx| {
6113 if let Some(old_file) = File::from_dyn(buffer.file()) {
6114 if old_file.worktree != *worktree_handle {
6115 return;
6116 }
6117
6118 let new_file = if let Some(entry) = snapshot.entry_for_id(old_file.entry_id) {
6119 File {
6120 is_local: true,
6121 entry_id: entry.id,
6122 mtime: entry.mtime,
6123 path: entry.path.clone(),
6124 worktree: worktree_handle.clone(),
6125 is_deleted: false,
6126 }
6127 } else if let Some(entry) = snapshot.entry_for_path(old_file.path().as_ref()) {
6128 File {
6129 is_local: true,
6130 entry_id: entry.id,
6131 mtime: entry.mtime,
6132 path: entry.path.clone(),
6133 worktree: worktree_handle.clone(),
6134 is_deleted: false,
6135 }
6136 } else {
6137 File {
6138 is_local: true,
6139 entry_id: old_file.entry_id,
6140 path: old_file.path().clone(),
6141 mtime: old_file.mtime(),
6142 worktree: worktree_handle.clone(),
6143 is_deleted: true,
6144 }
6145 };
6146
6147 let old_path = old_file.abs_path(cx);
6148 if new_file.abs_path(cx) != old_path {
6149 renamed_buffers.push((cx.handle(), old_file.clone()));
6150 self.local_buffer_ids_by_path.remove(&project_path);
6151 self.local_buffer_ids_by_path.insert(
6152 ProjectPath {
6153 worktree_id,
6154 path: path.clone(),
6155 },
6156 buffer_id,
6157 );
6158 }
6159
6160 if new_file.entry_id != *entry_id {
6161 self.local_buffer_ids_by_entry_id.remove(entry_id);
6162 self.local_buffer_ids_by_entry_id
6163 .insert(new_file.entry_id, buffer_id);
6164 }
6165
6166 if new_file != *old_file {
6167 if let Some(project_id) = self.remote_id() {
6168 self.client
6169 .send(proto::UpdateBufferFile {
6170 project_id,
6171 buffer_id: buffer_id as u64,
6172 file: Some(new_file.to_proto()),
6173 })
6174 .log_err();
6175 }
6176
6177 buffer.file_updated(Arc::new(new_file), cx).detach();
6178 }
6179 }
6180 });
6181 }
6182
6183 for (buffer, old_file) in renamed_buffers {
6184 self.unregister_buffer_from_language_servers(&buffer, &old_file, cx);
6185 self.detect_language_for_buffer(&buffer, cx);
6186 self.register_buffer_with_language_servers(&buffer, cx);
6187 }
6188 }
6189
6190 fn update_local_worktree_language_servers(
6191 &mut self,
6192 worktree_handle: &ModelHandle<Worktree>,
6193 changes: &[(Arc<Path>, ProjectEntryId, PathChange)],
6194 cx: &mut ModelContext<Self>,
6195 ) {
6196 if changes.is_empty() {
6197 return;
6198 }
6199
6200 let worktree_id = worktree_handle.read(cx).id();
6201 let mut language_server_ids = self
6202 .language_server_ids
6203 .iter()
6204 .filter_map(|((server_worktree_id, _), server_id)| {
6205 (*server_worktree_id == worktree_id).then_some(*server_id)
6206 })
6207 .collect::<Vec<_>>();
6208 language_server_ids.sort();
6209 language_server_ids.dedup();
6210
6211 let abs_path = worktree_handle.read(cx).abs_path();
6212 for server_id in &language_server_ids {
6213 if let Some(LanguageServerState::Running {
6214 server,
6215 watched_paths,
6216 ..
6217 }) = self.language_servers.get(server_id)
6218 {
6219 if let Some(watched_paths) = watched_paths.get(&worktree_id) {
6220 let params = lsp::DidChangeWatchedFilesParams {
6221 changes: changes
6222 .iter()
6223 .filter_map(|(path, _, change)| {
6224 if !watched_paths.is_match(&path) {
6225 return None;
6226 }
6227 let typ = match change {
6228 PathChange::Loaded => return None,
6229 PathChange::Added => lsp::FileChangeType::CREATED,
6230 PathChange::Removed => lsp::FileChangeType::DELETED,
6231 PathChange::Updated => lsp::FileChangeType::CHANGED,
6232 PathChange::AddedOrUpdated => lsp::FileChangeType::CHANGED,
6233 };
6234 Some(lsp::FileEvent {
6235 uri: lsp::Url::from_file_path(abs_path.join(path)).unwrap(),
6236 typ,
6237 })
6238 })
6239 .collect(),
6240 };
6241
6242 if !params.changes.is_empty() {
6243 server
6244 .notify::<lsp::notification::DidChangeWatchedFiles>(params)
6245 .log_err();
6246 }
6247 }
6248 }
6249 }
6250 }
6251
6252 fn update_local_worktree_buffers_git_repos(
6253 &mut self,
6254 worktree_handle: ModelHandle<Worktree>,
6255 changed_repos: &UpdatedGitRepositoriesSet,
6256 cx: &mut ModelContext<Self>,
6257 ) {
6258 debug_assert!(worktree_handle.read(cx).is_local());
6259
6260 // Identify the loading buffers whose containing repository that has changed.
6261 let future_buffers = self
6262 .loading_buffers_by_path
6263 .iter()
6264 .filter_map(|(project_path, receiver)| {
6265 if project_path.worktree_id != worktree_handle.read(cx).id() {
6266 return None;
6267 }
6268 let path = &project_path.path;
6269 changed_repos
6270 .iter()
6271 .find(|(work_dir, _)| path.starts_with(work_dir))?;
6272 let receiver = receiver.clone();
6273 let path = path.clone();
6274 Some(async move {
6275 wait_for_loading_buffer(receiver)
6276 .await
6277 .ok()
6278 .map(|buffer| (buffer, path))
6279 })
6280 })
6281 .collect::<FuturesUnordered<_>>();
6282
6283 // Identify the current buffers whose containing repository has changed.
6284 let current_buffers = self
6285 .opened_buffers
6286 .values()
6287 .filter_map(|buffer| {
6288 let buffer = buffer.upgrade(cx)?;
6289 let file = File::from_dyn(buffer.read(cx).file())?;
6290 if file.worktree != worktree_handle {
6291 return None;
6292 }
6293 let path = file.path();
6294 changed_repos
6295 .iter()
6296 .find(|(work_dir, _)| path.starts_with(work_dir))?;
6297 Some((buffer, path.clone()))
6298 })
6299 .collect::<Vec<_>>();
6300
6301 if future_buffers.len() + current_buffers.len() == 0 {
6302 return;
6303 }
6304
6305 let remote_id = self.remote_id();
6306 let client = self.client.clone();
6307 cx.spawn_weak(move |_, mut cx| async move {
6308 // Wait for all of the buffers to load.
6309 let future_buffers = future_buffers.collect::<Vec<_>>().await;
6310
6311 // Reload the diff base for every buffer whose containing git repository has changed.
6312 let snapshot =
6313 worktree_handle.read_with(&cx, |tree, _| tree.as_local().unwrap().snapshot());
6314 let diff_bases_by_buffer = cx
6315 .background()
6316 .spawn(async move {
6317 future_buffers
6318 .into_iter()
6319 .filter_map(|e| e)
6320 .chain(current_buffers)
6321 .filter_map(|(buffer, path)| {
6322 let (work_directory, repo) =
6323 snapshot.repository_and_work_directory_for_path(&path)?;
6324 let repo = snapshot.get_local_repo(&repo)?;
6325 let relative_path = path.strip_prefix(&work_directory).ok()?;
6326 let base_text = repo.repo_ptr.lock().load_index_text(&relative_path);
6327 Some((buffer, base_text))
6328 })
6329 .collect::<Vec<_>>()
6330 })
6331 .await;
6332
6333 // Assign the new diff bases on all of the buffers.
6334 for (buffer, diff_base) in diff_bases_by_buffer {
6335 let buffer_id = buffer.update(&mut cx, |buffer, cx| {
6336 buffer.set_diff_base(diff_base.clone(), cx);
6337 buffer.remote_id()
6338 });
6339 if let Some(project_id) = remote_id {
6340 client
6341 .send(proto::UpdateDiffBase {
6342 project_id,
6343 buffer_id,
6344 diff_base,
6345 })
6346 .log_err();
6347 }
6348 }
6349 })
6350 .detach();
6351 }
6352
6353 fn update_local_worktree_settings(
6354 &mut self,
6355 worktree: &ModelHandle<Worktree>,
6356 changes: &UpdatedEntriesSet,
6357 cx: &mut ModelContext<Self>,
6358 ) {
6359 let project_id = self.remote_id();
6360 let worktree_id = worktree.id();
6361 let worktree = worktree.read(cx).as_local().unwrap();
6362 let remote_worktree_id = worktree.id();
6363
6364 let mut settings_contents = Vec::new();
6365 for (path, _, change) in changes.iter() {
6366 if path.ends_with(&*LOCAL_SETTINGS_RELATIVE_PATH) {
6367 let settings_dir = Arc::from(
6368 path.ancestors()
6369 .nth(LOCAL_SETTINGS_RELATIVE_PATH.components().count())
6370 .unwrap(),
6371 );
6372 let fs = self.fs.clone();
6373 let removed = *change == PathChange::Removed;
6374 let abs_path = worktree.absolutize(path);
6375 settings_contents.push(async move {
6376 (settings_dir, (!removed).then_some(fs.load(&abs_path).await))
6377 });
6378 }
6379 }
6380
6381 if settings_contents.is_empty() {
6382 return;
6383 }
6384
6385 let client = self.client.clone();
6386 cx.spawn_weak(move |_, mut cx| async move {
6387 let settings_contents: Vec<(Arc<Path>, _)> =
6388 futures::future::join_all(settings_contents).await;
6389 cx.update(|cx| {
6390 cx.update_global::<SettingsStore, _, _>(|store, cx| {
6391 for (directory, file_content) in settings_contents {
6392 let file_content = file_content.and_then(|content| content.log_err());
6393 store
6394 .set_local_settings(
6395 worktree_id,
6396 directory.clone(),
6397 file_content.as_ref().map(String::as_str),
6398 cx,
6399 )
6400 .log_err();
6401 if let Some(remote_id) = project_id {
6402 client
6403 .send(proto::UpdateWorktreeSettings {
6404 project_id: remote_id,
6405 worktree_id: remote_worktree_id.to_proto(),
6406 path: directory.to_string_lossy().into_owned(),
6407 content: file_content,
6408 })
6409 .log_err();
6410 }
6411 }
6412 });
6413 });
6414 })
6415 .detach();
6416 }
6417
6418 fn update_prettier_settings(
6419 &self,
6420 worktree: &ModelHandle<Worktree>,
6421 changes: &[(Arc<Path>, ProjectEntryId, PathChange)],
6422 cx: &mut ModelContext<'_, Project>,
6423 ) {
6424 let prettier_config_files = Prettier::CONFIG_FILE_NAMES
6425 .iter()
6426 .map(Path::new)
6427 .collect::<HashSet<_>>();
6428
6429 let prettier_config_file_changed = changes
6430 .iter()
6431 .filter(|(_, _, change)| !matches!(change, PathChange::Loaded))
6432 .filter(|(path, _, _)| {
6433 !path
6434 .components()
6435 .any(|component| component.as_os_str().to_string_lossy() == "node_modules")
6436 })
6437 .find(|(path, _, _)| prettier_config_files.contains(path.as_ref()));
6438 let current_worktree_id = worktree.read(cx).id();
6439 if let Some((config_path, _, _)) = prettier_config_file_changed {
6440 log::info!(
6441 "Prettier config file {config_path:?} changed, reloading prettier instances for worktree {current_worktree_id}"
6442 );
6443 let prettiers_to_reload = self
6444 .prettiers_per_worktree
6445 .get(¤t_worktree_id)
6446 .iter()
6447 .flat_map(|prettier_paths| prettier_paths.iter())
6448 .flatten()
6449 .filter_map(|prettier_path| {
6450 Some((
6451 current_worktree_id,
6452 Some(prettier_path.clone()),
6453 self.prettier_instances.get(prettier_path)?.clone(),
6454 ))
6455 })
6456 .chain(self.default_prettier.iter().filter_map(|default_prettier| {
6457 Some((
6458 current_worktree_id,
6459 None,
6460 default_prettier.instance.clone()?,
6461 ))
6462 }))
6463 .collect::<Vec<_>>();
6464
6465 cx.background()
6466 .spawn(async move {
6467 for task_result in future::join_all(prettiers_to_reload.into_iter().map(|(worktree_id, prettier_path, prettier_task)| {
6468 async move {
6469 prettier_task.await?
6470 .clear_cache()
6471 .await
6472 .with_context(|| {
6473 match prettier_path {
6474 Some(prettier_path) => format!(
6475 "clearing prettier {prettier_path:?} cache for worktree {worktree_id:?} on prettier settings update"
6476 ),
6477 None => format!(
6478 "clearing default prettier cache for worktree {worktree_id:?} on prettier settings update"
6479 ),
6480 }
6481
6482 })
6483 .map_err(Arc::new)
6484 }
6485 }))
6486 .await
6487 {
6488 if let Err(e) = task_result {
6489 log::error!("Failed to clear cache for prettier: {e:#}");
6490 }
6491 }
6492 })
6493 .detach();
6494 }
6495 }
6496
6497 pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut ModelContext<Self>) {
6498 let new_active_entry = entry.and_then(|project_path| {
6499 let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
6500 let entry = worktree.read(cx).entry_for_path(project_path.path)?;
6501 Some(entry.id)
6502 });
6503 if new_active_entry != self.active_entry {
6504 self.active_entry = new_active_entry;
6505 cx.emit(Event::ActiveEntryChanged(new_active_entry));
6506 }
6507 }
6508
6509 pub fn language_servers_running_disk_based_diagnostics(
6510 &self,
6511 ) -> impl Iterator<Item = LanguageServerId> + '_ {
6512 self.language_server_statuses
6513 .iter()
6514 .filter_map(|(id, status)| {
6515 if status.has_pending_diagnostic_updates {
6516 Some(*id)
6517 } else {
6518 None
6519 }
6520 })
6521 }
6522
6523 pub fn diagnostic_summary(&self, cx: &AppContext) -> DiagnosticSummary {
6524 let mut summary = DiagnosticSummary::default();
6525 for (_, _, path_summary) in self.diagnostic_summaries(cx) {
6526 summary.error_count += path_summary.error_count;
6527 summary.warning_count += path_summary.warning_count;
6528 }
6529 summary
6530 }
6531
6532 pub fn diagnostic_summaries<'a>(
6533 &'a self,
6534 cx: &'a AppContext,
6535 ) -> impl Iterator<Item = (ProjectPath, LanguageServerId, DiagnosticSummary)> + 'a {
6536 self.visible_worktrees(cx).flat_map(move |worktree| {
6537 let worktree = worktree.read(cx);
6538 let worktree_id = worktree.id();
6539 worktree
6540 .diagnostic_summaries()
6541 .map(move |(path, server_id, summary)| {
6542 (ProjectPath { worktree_id, path }, server_id, summary)
6543 })
6544 })
6545 }
6546
6547 pub fn disk_based_diagnostics_started(
6548 &mut self,
6549 language_server_id: LanguageServerId,
6550 cx: &mut ModelContext<Self>,
6551 ) {
6552 cx.emit(Event::DiskBasedDiagnosticsStarted { language_server_id });
6553 }
6554
6555 pub fn disk_based_diagnostics_finished(
6556 &mut self,
6557 language_server_id: LanguageServerId,
6558 cx: &mut ModelContext<Self>,
6559 ) {
6560 cx.emit(Event::DiskBasedDiagnosticsFinished { language_server_id });
6561 }
6562
6563 pub fn active_entry(&self) -> Option<ProjectEntryId> {
6564 self.active_entry
6565 }
6566
6567 pub fn entry_for_path(&self, path: &ProjectPath, cx: &AppContext) -> Option<Entry> {
6568 self.worktree_for_id(path.worktree_id, cx)?
6569 .read(cx)
6570 .entry_for_path(&path.path)
6571 .cloned()
6572 }
6573
6574 pub fn path_for_entry(&self, entry_id: ProjectEntryId, cx: &AppContext) -> Option<ProjectPath> {
6575 let worktree = self.worktree_for_entry(entry_id, cx)?;
6576 let worktree = worktree.read(cx);
6577 let worktree_id = worktree.id();
6578 let path = worktree.entry_for_id(entry_id)?.path.clone();
6579 Some(ProjectPath { worktree_id, path })
6580 }
6581
6582 pub fn absolute_path(&self, project_path: &ProjectPath, cx: &AppContext) -> Option<PathBuf> {
6583 let workspace_root = self
6584 .worktree_for_id(project_path.worktree_id, cx)?
6585 .read(cx)
6586 .abs_path();
6587 let project_path = project_path.path.as_ref();
6588
6589 Some(if project_path == Path::new("") {
6590 workspace_root.to_path_buf()
6591 } else {
6592 workspace_root.join(project_path)
6593 })
6594 }
6595
6596 // RPC message handlers
6597
6598 async fn handle_unshare_project(
6599 this: ModelHandle<Self>,
6600 _: TypedEnvelope<proto::UnshareProject>,
6601 _: Arc<Client>,
6602 mut cx: AsyncAppContext,
6603 ) -> Result<()> {
6604 this.update(&mut cx, |this, cx| {
6605 if this.is_local() {
6606 this.unshare(cx)?;
6607 } else {
6608 this.disconnected_from_host(cx);
6609 }
6610 Ok(())
6611 })
6612 }
6613
6614 async fn handle_add_collaborator(
6615 this: ModelHandle<Self>,
6616 mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
6617 _: Arc<Client>,
6618 mut cx: AsyncAppContext,
6619 ) -> Result<()> {
6620 let collaborator = envelope
6621 .payload
6622 .collaborator
6623 .take()
6624 .ok_or_else(|| anyhow!("empty collaborator"))?;
6625
6626 let collaborator = Collaborator::from_proto(collaborator)?;
6627 this.update(&mut cx, |this, cx| {
6628 this.shared_buffers.remove(&collaborator.peer_id);
6629 cx.emit(Event::CollaboratorJoined(collaborator.peer_id));
6630 this.collaborators
6631 .insert(collaborator.peer_id, collaborator);
6632 cx.notify();
6633 });
6634
6635 Ok(())
6636 }
6637
6638 async fn handle_update_project_collaborator(
6639 this: ModelHandle<Self>,
6640 envelope: TypedEnvelope<proto::UpdateProjectCollaborator>,
6641 _: Arc<Client>,
6642 mut cx: AsyncAppContext,
6643 ) -> Result<()> {
6644 let old_peer_id = envelope
6645 .payload
6646 .old_peer_id
6647 .ok_or_else(|| anyhow!("missing old peer id"))?;
6648 let new_peer_id = envelope
6649 .payload
6650 .new_peer_id
6651 .ok_or_else(|| anyhow!("missing new peer id"))?;
6652 this.update(&mut cx, |this, cx| {
6653 let collaborator = this
6654 .collaborators
6655 .remove(&old_peer_id)
6656 .ok_or_else(|| anyhow!("received UpdateProjectCollaborator for unknown peer"))?;
6657 let is_host = collaborator.replica_id == 0;
6658 this.collaborators.insert(new_peer_id, collaborator);
6659
6660 let buffers = this.shared_buffers.remove(&old_peer_id);
6661 log::info!(
6662 "peer {} became {}. moving buffers {:?}",
6663 old_peer_id,
6664 new_peer_id,
6665 &buffers
6666 );
6667 if let Some(buffers) = buffers {
6668 this.shared_buffers.insert(new_peer_id, buffers);
6669 }
6670
6671 if is_host {
6672 this.opened_buffers
6673 .retain(|_, buffer| !matches!(buffer, OpenBuffer::Operations(_)));
6674 this.buffer_ordered_messages_tx
6675 .unbounded_send(BufferOrderedMessage::Resync)
6676 .unwrap();
6677 }
6678
6679 cx.emit(Event::CollaboratorUpdated {
6680 old_peer_id,
6681 new_peer_id,
6682 });
6683 cx.notify();
6684 Ok(())
6685 })
6686 }
6687
6688 async fn handle_remove_collaborator(
6689 this: ModelHandle<Self>,
6690 envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
6691 _: Arc<Client>,
6692 mut cx: AsyncAppContext,
6693 ) -> Result<()> {
6694 this.update(&mut cx, |this, cx| {
6695 let peer_id = envelope
6696 .payload
6697 .peer_id
6698 .ok_or_else(|| anyhow!("invalid peer id"))?;
6699 let replica_id = this
6700 .collaborators
6701 .remove(&peer_id)
6702 .ok_or_else(|| anyhow!("unknown peer {:?}", peer_id))?
6703 .replica_id;
6704 for buffer in this.opened_buffers.values() {
6705 if let Some(buffer) = buffer.upgrade(cx) {
6706 buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
6707 }
6708 }
6709 this.shared_buffers.remove(&peer_id);
6710
6711 cx.emit(Event::CollaboratorLeft(peer_id));
6712 cx.notify();
6713 Ok(())
6714 })
6715 }
6716
6717 async fn handle_update_project(
6718 this: ModelHandle<Self>,
6719 envelope: TypedEnvelope<proto::UpdateProject>,
6720 _: Arc<Client>,
6721 mut cx: AsyncAppContext,
6722 ) -> Result<()> {
6723 this.update(&mut cx, |this, cx| {
6724 // Don't handle messages that were sent before the response to us joining the project
6725 if envelope.message_id > this.join_project_response_message_id {
6726 this.set_worktrees_from_proto(envelope.payload.worktrees, cx)?;
6727 }
6728 Ok(())
6729 })
6730 }
6731
6732 async fn handle_update_worktree(
6733 this: ModelHandle<Self>,
6734 envelope: TypedEnvelope<proto::UpdateWorktree>,
6735 _: Arc<Client>,
6736 mut cx: AsyncAppContext,
6737 ) -> Result<()> {
6738 this.update(&mut cx, |this, cx| {
6739 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
6740 if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
6741 worktree.update(cx, |worktree, _| {
6742 let worktree = worktree.as_remote_mut().unwrap();
6743 worktree.update_from_remote(envelope.payload);
6744 });
6745 }
6746 Ok(())
6747 })
6748 }
6749
6750 async fn handle_update_worktree_settings(
6751 this: ModelHandle<Self>,
6752 envelope: TypedEnvelope<proto::UpdateWorktreeSettings>,
6753 _: Arc<Client>,
6754 mut cx: AsyncAppContext,
6755 ) -> Result<()> {
6756 this.update(&mut cx, |this, cx| {
6757 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
6758 if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
6759 cx.update_global::<SettingsStore, _, _>(|store, cx| {
6760 store
6761 .set_local_settings(
6762 worktree.id(),
6763 PathBuf::from(&envelope.payload.path).into(),
6764 envelope.payload.content.as_ref().map(String::as_str),
6765 cx,
6766 )
6767 .log_err();
6768 });
6769 }
6770 Ok(())
6771 })
6772 }
6773
6774 async fn handle_create_project_entry(
6775 this: ModelHandle<Self>,
6776 envelope: TypedEnvelope<proto::CreateProjectEntry>,
6777 _: Arc<Client>,
6778 mut cx: AsyncAppContext,
6779 ) -> Result<proto::ProjectEntryResponse> {
6780 let worktree = this.update(&mut cx, |this, cx| {
6781 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
6782 this.worktree_for_id(worktree_id, cx)
6783 .ok_or_else(|| anyhow!("worktree not found"))
6784 })?;
6785 let worktree_scan_id = worktree.read_with(&cx, |worktree, _| worktree.scan_id());
6786 let entry = worktree
6787 .update(&mut cx, |worktree, cx| {
6788 let worktree = worktree.as_local_mut().unwrap();
6789 let path = PathBuf::from(envelope.payload.path);
6790 worktree.create_entry(path, envelope.payload.is_directory, cx)
6791 })
6792 .await?;
6793 Ok(proto::ProjectEntryResponse {
6794 entry: Some((&entry).into()),
6795 worktree_scan_id: worktree_scan_id as u64,
6796 })
6797 }
6798
6799 async fn handle_rename_project_entry(
6800 this: ModelHandle<Self>,
6801 envelope: TypedEnvelope<proto::RenameProjectEntry>,
6802 _: Arc<Client>,
6803 mut cx: AsyncAppContext,
6804 ) -> Result<proto::ProjectEntryResponse> {
6805 let entry_id = ProjectEntryId::from_proto(envelope.payload.entry_id);
6806 let worktree = this.read_with(&cx, |this, cx| {
6807 this.worktree_for_entry(entry_id, cx)
6808 .ok_or_else(|| anyhow!("worktree not found"))
6809 })?;
6810 let worktree_scan_id = worktree.read_with(&cx, |worktree, _| worktree.scan_id());
6811 let entry = worktree
6812 .update(&mut cx, |worktree, cx| {
6813 let new_path = PathBuf::from(envelope.payload.new_path);
6814 worktree
6815 .as_local_mut()
6816 .unwrap()
6817 .rename_entry(entry_id, new_path, cx)
6818 .ok_or_else(|| anyhow!("invalid entry"))
6819 })?
6820 .await?;
6821 Ok(proto::ProjectEntryResponse {
6822 entry: Some((&entry).into()),
6823 worktree_scan_id: worktree_scan_id as u64,
6824 })
6825 }
6826
6827 async fn handle_copy_project_entry(
6828 this: ModelHandle<Self>,
6829 envelope: TypedEnvelope<proto::CopyProjectEntry>,
6830 _: Arc<Client>,
6831 mut cx: AsyncAppContext,
6832 ) -> Result<proto::ProjectEntryResponse> {
6833 let entry_id = ProjectEntryId::from_proto(envelope.payload.entry_id);
6834 let worktree = this.read_with(&cx, |this, cx| {
6835 this.worktree_for_entry(entry_id, cx)
6836 .ok_or_else(|| anyhow!("worktree not found"))
6837 })?;
6838 let worktree_scan_id = worktree.read_with(&cx, |worktree, _| worktree.scan_id());
6839 let entry = worktree
6840 .update(&mut cx, |worktree, cx| {
6841 let new_path = PathBuf::from(envelope.payload.new_path);
6842 worktree
6843 .as_local_mut()
6844 .unwrap()
6845 .copy_entry(entry_id, new_path, cx)
6846 .ok_or_else(|| anyhow!("invalid entry"))
6847 })?
6848 .await?;
6849 Ok(proto::ProjectEntryResponse {
6850 entry: Some((&entry).into()),
6851 worktree_scan_id: worktree_scan_id as u64,
6852 })
6853 }
6854
6855 async fn handle_delete_project_entry(
6856 this: ModelHandle<Self>,
6857 envelope: TypedEnvelope<proto::DeleteProjectEntry>,
6858 _: Arc<Client>,
6859 mut cx: AsyncAppContext,
6860 ) -> Result<proto::ProjectEntryResponse> {
6861 let entry_id = ProjectEntryId::from_proto(envelope.payload.entry_id);
6862
6863 this.update(&mut cx, |_, cx| cx.emit(Event::DeletedEntry(entry_id)));
6864
6865 let worktree = this.read_with(&cx, |this, cx| {
6866 this.worktree_for_entry(entry_id, cx)
6867 .ok_or_else(|| anyhow!("worktree not found"))
6868 })?;
6869 let worktree_scan_id = worktree.read_with(&cx, |worktree, _| worktree.scan_id());
6870 worktree
6871 .update(&mut cx, |worktree, cx| {
6872 worktree
6873 .as_local_mut()
6874 .unwrap()
6875 .delete_entry(entry_id, cx)
6876 .ok_or_else(|| anyhow!("invalid entry"))
6877 })?
6878 .await?;
6879 Ok(proto::ProjectEntryResponse {
6880 entry: None,
6881 worktree_scan_id: worktree_scan_id as u64,
6882 })
6883 }
6884
6885 async fn handle_expand_project_entry(
6886 this: ModelHandle<Self>,
6887 envelope: TypedEnvelope<proto::ExpandProjectEntry>,
6888 _: Arc<Client>,
6889 mut cx: AsyncAppContext,
6890 ) -> Result<proto::ExpandProjectEntryResponse> {
6891 let entry_id = ProjectEntryId::from_proto(envelope.payload.entry_id);
6892 let worktree = this
6893 .read_with(&cx, |this, cx| this.worktree_for_entry(entry_id, cx))
6894 .ok_or_else(|| anyhow!("invalid request"))?;
6895 worktree
6896 .update(&mut cx, |worktree, cx| {
6897 worktree
6898 .as_local_mut()
6899 .unwrap()
6900 .expand_entry(entry_id, cx)
6901 .ok_or_else(|| anyhow!("invalid entry"))
6902 })?
6903 .await?;
6904 let worktree_scan_id = worktree.read_with(&cx, |worktree, _| worktree.scan_id()) as u64;
6905 Ok(proto::ExpandProjectEntryResponse { worktree_scan_id })
6906 }
6907
6908 async fn handle_update_diagnostic_summary(
6909 this: ModelHandle<Self>,
6910 envelope: TypedEnvelope<proto::UpdateDiagnosticSummary>,
6911 _: Arc<Client>,
6912 mut cx: AsyncAppContext,
6913 ) -> Result<()> {
6914 this.update(&mut cx, |this, cx| {
6915 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
6916 if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
6917 if let Some(summary) = envelope.payload.summary {
6918 let project_path = ProjectPath {
6919 worktree_id,
6920 path: Path::new(&summary.path).into(),
6921 };
6922 worktree.update(cx, |worktree, _| {
6923 worktree
6924 .as_remote_mut()
6925 .unwrap()
6926 .update_diagnostic_summary(project_path.path.clone(), &summary);
6927 });
6928 cx.emit(Event::DiagnosticsUpdated {
6929 language_server_id: LanguageServerId(summary.language_server_id as usize),
6930 path: project_path,
6931 });
6932 }
6933 }
6934 Ok(())
6935 })
6936 }
6937
6938 async fn handle_start_language_server(
6939 this: ModelHandle<Self>,
6940 envelope: TypedEnvelope<proto::StartLanguageServer>,
6941 _: Arc<Client>,
6942 mut cx: AsyncAppContext,
6943 ) -> Result<()> {
6944 let server = envelope
6945 .payload
6946 .server
6947 .ok_or_else(|| anyhow!("invalid server"))?;
6948 this.update(&mut cx, |this, cx| {
6949 this.language_server_statuses.insert(
6950 LanguageServerId(server.id as usize),
6951 LanguageServerStatus {
6952 name: server.name,
6953 pending_work: Default::default(),
6954 has_pending_diagnostic_updates: false,
6955 progress_tokens: Default::default(),
6956 },
6957 );
6958 cx.notify();
6959 });
6960 Ok(())
6961 }
6962
6963 async fn handle_update_language_server(
6964 this: ModelHandle<Self>,
6965 envelope: TypedEnvelope<proto::UpdateLanguageServer>,
6966 _: Arc<Client>,
6967 mut cx: AsyncAppContext,
6968 ) -> Result<()> {
6969 this.update(&mut cx, |this, cx| {
6970 let language_server_id = LanguageServerId(envelope.payload.language_server_id as usize);
6971
6972 match envelope
6973 .payload
6974 .variant
6975 .ok_or_else(|| anyhow!("invalid variant"))?
6976 {
6977 proto::update_language_server::Variant::WorkStart(payload) => {
6978 this.on_lsp_work_start(
6979 language_server_id,
6980 payload.token,
6981 LanguageServerProgress {
6982 message: payload.message,
6983 percentage: payload.percentage.map(|p| p as usize),
6984 last_update_at: Instant::now(),
6985 },
6986 cx,
6987 );
6988 }
6989
6990 proto::update_language_server::Variant::WorkProgress(payload) => {
6991 this.on_lsp_work_progress(
6992 language_server_id,
6993 payload.token,
6994 LanguageServerProgress {
6995 message: payload.message,
6996 percentage: payload.percentage.map(|p| p as usize),
6997 last_update_at: Instant::now(),
6998 },
6999 cx,
7000 );
7001 }
7002
7003 proto::update_language_server::Variant::WorkEnd(payload) => {
7004 this.on_lsp_work_end(language_server_id, payload.token, cx);
7005 }
7006
7007 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdating(_) => {
7008 this.disk_based_diagnostics_started(language_server_id, cx);
7009 }
7010
7011 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(_) => {
7012 this.disk_based_diagnostics_finished(language_server_id, cx)
7013 }
7014 }
7015
7016 Ok(())
7017 })
7018 }
7019
7020 async fn handle_update_buffer(
7021 this: ModelHandle<Self>,
7022 envelope: TypedEnvelope<proto::UpdateBuffer>,
7023 _: Arc<Client>,
7024 mut cx: AsyncAppContext,
7025 ) -> Result<proto::Ack> {
7026 this.update(&mut cx, |this, cx| {
7027 let payload = envelope.payload.clone();
7028 let buffer_id = payload.buffer_id;
7029 let ops = payload
7030 .operations
7031 .into_iter()
7032 .map(language::proto::deserialize_operation)
7033 .collect::<Result<Vec<_>, _>>()?;
7034 let is_remote = this.is_remote();
7035 match this.opened_buffers.entry(buffer_id) {
7036 hash_map::Entry::Occupied(mut e) => match e.get_mut() {
7037 OpenBuffer::Strong(buffer) => {
7038 buffer.update(cx, |buffer, cx| buffer.apply_ops(ops, cx))?;
7039 }
7040 OpenBuffer::Operations(operations) => operations.extend_from_slice(&ops),
7041 OpenBuffer::Weak(_) => {}
7042 },
7043 hash_map::Entry::Vacant(e) => {
7044 assert!(
7045 is_remote,
7046 "received buffer update from {:?}",
7047 envelope.original_sender_id
7048 );
7049 e.insert(OpenBuffer::Operations(ops));
7050 }
7051 }
7052 Ok(proto::Ack {})
7053 })
7054 }
7055
7056 async fn handle_create_buffer_for_peer(
7057 this: ModelHandle<Self>,
7058 envelope: TypedEnvelope<proto::CreateBufferForPeer>,
7059 _: Arc<Client>,
7060 mut cx: AsyncAppContext,
7061 ) -> Result<()> {
7062 this.update(&mut cx, |this, cx| {
7063 match envelope
7064 .payload
7065 .variant
7066 .ok_or_else(|| anyhow!("missing variant"))?
7067 {
7068 proto::create_buffer_for_peer::Variant::State(mut state) => {
7069 let mut buffer_file = None;
7070 if let Some(file) = state.file.take() {
7071 let worktree_id = WorktreeId::from_proto(file.worktree_id);
7072 let worktree = this.worktree_for_id(worktree_id, cx).ok_or_else(|| {
7073 anyhow!("no worktree found for id {}", file.worktree_id)
7074 })?;
7075 buffer_file = Some(Arc::new(File::from_proto(file, worktree.clone(), cx)?)
7076 as Arc<dyn language::File>);
7077 }
7078
7079 let buffer_id = state.id;
7080 let buffer = cx.add_model(|_| {
7081 Buffer::from_proto(this.replica_id(), state, buffer_file).unwrap()
7082 });
7083 this.incomplete_remote_buffers
7084 .insert(buffer_id, Some(buffer));
7085 }
7086 proto::create_buffer_for_peer::Variant::Chunk(chunk) => {
7087 let buffer = this
7088 .incomplete_remote_buffers
7089 .get(&chunk.buffer_id)
7090 .cloned()
7091 .flatten()
7092 .ok_or_else(|| {
7093 anyhow!(
7094 "received chunk for buffer {} without initial state",
7095 chunk.buffer_id
7096 )
7097 })?;
7098 let operations = chunk
7099 .operations
7100 .into_iter()
7101 .map(language::proto::deserialize_operation)
7102 .collect::<Result<Vec<_>>>()?;
7103 buffer.update(cx, |buffer, cx| buffer.apply_ops(operations, cx))?;
7104
7105 if chunk.is_last {
7106 this.incomplete_remote_buffers.remove(&chunk.buffer_id);
7107 this.register_buffer(&buffer, cx)?;
7108 }
7109 }
7110 }
7111
7112 Ok(())
7113 })
7114 }
7115
7116 async fn handle_update_diff_base(
7117 this: ModelHandle<Self>,
7118 envelope: TypedEnvelope<proto::UpdateDiffBase>,
7119 _: Arc<Client>,
7120 mut cx: AsyncAppContext,
7121 ) -> Result<()> {
7122 this.update(&mut cx, |this, cx| {
7123 let buffer_id = envelope.payload.buffer_id;
7124 let diff_base = envelope.payload.diff_base;
7125 if let Some(buffer) = this
7126 .opened_buffers
7127 .get_mut(&buffer_id)
7128 .and_then(|b| b.upgrade(cx))
7129 .or_else(|| {
7130 this.incomplete_remote_buffers
7131 .get(&buffer_id)
7132 .cloned()
7133 .flatten()
7134 })
7135 {
7136 buffer.update(cx, |buffer, cx| buffer.set_diff_base(diff_base, cx));
7137 }
7138 Ok(())
7139 })
7140 }
7141
7142 async fn handle_update_buffer_file(
7143 this: ModelHandle<Self>,
7144 envelope: TypedEnvelope<proto::UpdateBufferFile>,
7145 _: Arc<Client>,
7146 mut cx: AsyncAppContext,
7147 ) -> Result<()> {
7148 let buffer_id = envelope.payload.buffer_id;
7149
7150 this.update(&mut cx, |this, cx| {
7151 let payload = envelope.payload.clone();
7152 if let Some(buffer) = this
7153 .opened_buffers
7154 .get(&buffer_id)
7155 .and_then(|b| b.upgrade(cx))
7156 .or_else(|| {
7157 this.incomplete_remote_buffers
7158 .get(&buffer_id)
7159 .cloned()
7160 .flatten()
7161 })
7162 {
7163 let file = payload.file.ok_or_else(|| anyhow!("invalid file"))?;
7164 let worktree = this
7165 .worktree_for_id(WorktreeId::from_proto(file.worktree_id), cx)
7166 .ok_or_else(|| anyhow!("no such worktree"))?;
7167 let file = File::from_proto(file, worktree, cx)?;
7168 buffer.update(cx, |buffer, cx| {
7169 buffer.file_updated(Arc::new(file), cx).detach();
7170 });
7171 this.detect_language_for_buffer(&buffer, cx);
7172 }
7173 Ok(())
7174 })
7175 }
7176
7177 async fn handle_save_buffer(
7178 this: ModelHandle<Self>,
7179 envelope: TypedEnvelope<proto::SaveBuffer>,
7180 _: Arc<Client>,
7181 mut cx: AsyncAppContext,
7182 ) -> Result<proto::BufferSaved> {
7183 let buffer_id = envelope.payload.buffer_id;
7184 let (project_id, buffer) = this.update(&mut cx, |this, cx| {
7185 let project_id = this.remote_id().ok_or_else(|| anyhow!("not connected"))?;
7186 let buffer = this
7187 .opened_buffers
7188 .get(&buffer_id)
7189 .and_then(|buffer| buffer.upgrade(cx))
7190 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))?;
7191 anyhow::Ok((project_id, buffer))
7192 })?;
7193 buffer
7194 .update(&mut cx, |buffer, _| {
7195 buffer.wait_for_version(deserialize_version(&envelope.payload.version))
7196 })
7197 .await?;
7198 let buffer_id = buffer.read_with(&cx, |buffer, _| buffer.remote_id());
7199
7200 this.update(&mut cx, |this, cx| this.save_buffer(buffer.clone(), cx))
7201 .await?;
7202 Ok(buffer.read_with(&cx, |buffer, _| proto::BufferSaved {
7203 project_id,
7204 buffer_id,
7205 version: serialize_version(buffer.saved_version()),
7206 mtime: Some(buffer.saved_mtime().into()),
7207 fingerprint: language::proto::serialize_fingerprint(buffer.saved_version_fingerprint()),
7208 }))
7209 }
7210
7211 async fn handle_reload_buffers(
7212 this: ModelHandle<Self>,
7213 envelope: TypedEnvelope<proto::ReloadBuffers>,
7214 _: Arc<Client>,
7215 mut cx: AsyncAppContext,
7216 ) -> Result<proto::ReloadBuffersResponse> {
7217 let sender_id = envelope.original_sender_id()?;
7218 let reload = this.update(&mut cx, |this, cx| {
7219 let mut buffers = HashSet::default();
7220 for buffer_id in &envelope.payload.buffer_ids {
7221 buffers.insert(
7222 this.opened_buffers
7223 .get(buffer_id)
7224 .and_then(|buffer| buffer.upgrade(cx))
7225 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))?,
7226 );
7227 }
7228 Ok::<_, anyhow::Error>(this.reload_buffers(buffers, false, cx))
7229 })?;
7230
7231 let project_transaction = reload.await?;
7232 let project_transaction = this.update(&mut cx, |this, cx| {
7233 this.serialize_project_transaction_for_peer(project_transaction, sender_id, cx)
7234 });
7235 Ok(proto::ReloadBuffersResponse {
7236 transaction: Some(project_transaction),
7237 })
7238 }
7239
7240 async fn handle_synchronize_buffers(
7241 this: ModelHandle<Self>,
7242 envelope: TypedEnvelope<proto::SynchronizeBuffers>,
7243 _: Arc<Client>,
7244 mut cx: AsyncAppContext,
7245 ) -> Result<proto::SynchronizeBuffersResponse> {
7246 let project_id = envelope.payload.project_id;
7247 let mut response = proto::SynchronizeBuffersResponse {
7248 buffers: Default::default(),
7249 };
7250
7251 this.update(&mut cx, |this, cx| {
7252 let Some(guest_id) = envelope.original_sender_id else {
7253 error!("missing original_sender_id on SynchronizeBuffers request");
7254 return;
7255 };
7256
7257 this.shared_buffers.entry(guest_id).or_default().clear();
7258 for buffer in envelope.payload.buffers {
7259 let buffer_id = buffer.id;
7260 let remote_version = language::proto::deserialize_version(&buffer.version);
7261 if let Some(buffer) = this.buffer_for_id(buffer_id, cx) {
7262 this.shared_buffers
7263 .entry(guest_id)
7264 .or_default()
7265 .insert(buffer_id);
7266
7267 let buffer = buffer.read(cx);
7268 response.buffers.push(proto::BufferVersion {
7269 id: buffer_id,
7270 version: language::proto::serialize_version(&buffer.version),
7271 });
7272
7273 let operations = buffer.serialize_ops(Some(remote_version), cx);
7274 let client = this.client.clone();
7275 if let Some(file) = buffer.file() {
7276 client
7277 .send(proto::UpdateBufferFile {
7278 project_id,
7279 buffer_id: buffer_id as u64,
7280 file: Some(file.to_proto()),
7281 })
7282 .log_err();
7283 }
7284
7285 client
7286 .send(proto::UpdateDiffBase {
7287 project_id,
7288 buffer_id: buffer_id as u64,
7289 diff_base: buffer.diff_base().map(Into::into),
7290 })
7291 .log_err();
7292
7293 client
7294 .send(proto::BufferReloaded {
7295 project_id,
7296 buffer_id,
7297 version: language::proto::serialize_version(buffer.saved_version()),
7298 mtime: Some(buffer.saved_mtime().into()),
7299 fingerprint: language::proto::serialize_fingerprint(
7300 buffer.saved_version_fingerprint(),
7301 ),
7302 line_ending: language::proto::serialize_line_ending(
7303 buffer.line_ending(),
7304 ) as i32,
7305 })
7306 .log_err();
7307
7308 cx.background()
7309 .spawn(
7310 async move {
7311 let operations = operations.await;
7312 for chunk in split_operations(operations) {
7313 client
7314 .request(proto::UpdateBuffer {
7315 project_id,
7316 buffer_id,
7317 operations: chunk,
7318 })
7319 .await?;
7320 }
7321 anyhow::Ok(())
7322 }
7323 .log_err(),
7324 )
7325 .detach();
7326 }
7327 }
7328 });
7329
7330 Ok(response)
7331 }
7332
7333 async fn handle_format_buffers(
7334 this: ModelHandle<Self>,
7335 envelope: TypedEnvelope<proto::FormatBuffers>,
7336 _: Arc<Client>,
7337 mut cx: AsyncAppContext,
7338 ) -> Result<proto::FormatBuffersResponse> {
7339 let sender_id = envelope.original_sender_id()?;
7340 let format = this.update(&mut cx, |this, cx| {
7341 let mut buffers = HashSet::default();
7342 for buffer_id in &envelope.payload.buffer_ids {
7343 buffers.insert(
7344 this.opened_buffers
7345 .get(buffer_id)
7346 .and_then(|buffer| buffer.upgrade(cx))
7347 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))?,
7348 );
7349 }
7350 let trigger = FormatTrigger::from_proto(envelope.payload.trigger);
7351 Ok::<_, anyhow::Error>(this.format(buffers, false, trigger, cx))
7352 })?;
7353
7354 let project_transaction = format.await?;
7355 let project_transaction = this.update(&mut cx, |this, cx| {
7356 this.serialize_project_transaction_for_peer(project_transaction, sender_id, cx)
7357 });
7358 Ok(proto::FormatBuffersResponse {
7359 transaction: Some(project_transaction),
7360 })
7361 }
7362
7363 async fn handle_apply_additional_edits_for_completion(
7364 this: ModelHandle<Self>,
7365 envelope: TypedEnvelope<proto::ApplyCompletionAdditionalEdits>,
7366 _: Arc<Client>,
7367 mut cx: AsyncAppContext,
7368 ) -> Result<proto::ApplyCompletionAdditionalEditsResponse> {
7369 let (buffer, completion) = this.update(&mut cx, |this, cx| {
7370 let buffer = this
7371 .opened_buffers
7372 .get(&envelope.payload.buffer_id)
7373 .and_then(|buffer| buffer.upgrade(cx))
7374 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
7375 let language = buffer.read(cx).language();
7376 let completion = language::proto::deserialize_completion(
7377 envelope
7378 .payload
7379 .completion
7380 .ok_or_else(|| anyhow!("invalid completion"))?,
7381 language.cloned(),
7382 );
7383 Ok::<_, anyhow::Error>((buffer, completion))
7384 })?;
7385
7386 let completion = completion.await?;
7387
7388 let apply_additional_edits = this.update(&mut cx, |this, cx| {
7389 this.apply_additional_edits_for_completion(buffer, completion, false, cx)
7390 });
7391
7392 Ok(proto::ApplyCompletionAdditionalEditsResponse {
7393 transaction: apply_additional_edits
7394 .await?
7395 .as_ref()
7396 .map(language::proto::serialize_transaction),
7397 })
7398 }
7399
7400 async fn handle_resolve_completion_documentation(
7401 this: ModelHandle<Self>,
7402 envelope: TypedEnvelope<proto::ResolveCompletionDocumentation>,
7403 _: Arc<Client>,
7404 mut cx: AsyncAppContext,
7405 ) -> Result<proto::ResolveCompletionDocumentationResponse> {
7406 let lsp_completion = serde_json::from_slice(&envelope.payload.lsp_completion)?;
7407
7408 let completion = this
7409 .read_with(&mut cx, |this, _| {
7410 let id = LanguageServerId(envelope.payload.language_server_id as usize);
7411 let Some(server) = this.language_server_for_id(id) else {
7412 return Err(anyhow!("No language server {id}"));
7413 };
7414
7415 Ok(server.request::<lsp::request::ResolveCompletionItem>(lsp_completion))
7416 })?
7417 .await?;
7418
7419 let mut is_markdown = false;
7420 let text = match completion.documentation {
7421 Some(lsp::Documentation::String(text)) => text,
7422
7423 Some(lsp::Documentation::MarkupContent(lsp::MarkupContent { kind, value })) => {
7424 is_markdown = kind == lsp::MarkupKind::Markdown;
7425 value
7426 }
7427
7428 _ => String::new(),
7429 };
7430
7431 Ok(proto::ResolveCompletionDocumentationResponse { text, is_markdown })
7432 }
7433
7434 async fn handle_apply_code_action(
7435 this: ModelHandle<Self>,
7436 envelope: TypedEnvelope<proto::ApplyCodeAction>,
7437 _: Arc<Client>,
7438 mut cx: AsyncAppContext,
7439 ) -> Result<proto::ApplyCodeActionResponse> {
7440 let sender_id = envelope.original_sender_id()?;
7441 let action = language::proto::deserialize_code_action(
7442 envelope
7443 .payload
7444 .action
7445 .ok_or_else(|| anyhow!("invalid action"))?,
7446 )?;
7447 let apply_code_action = this.update(&mut cx, |this, cx| {
7448 let buffer = this
7449 .opened_buffers
7450 .get(&envelope.payload.buffer_id)
7451 .and_then(|buffer| buffer.upgrade(cx))
7452 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
7453 Ok::<_, anyhow::Error>(this.apply_code_action(buffer, action, false, cx))
7454 })?;
7455
7456 let project_transaction = apply_code_action.await?;
7457 let project_transaction = this.update(&mut cx, |this, cx| {
7458 this.serialize_project_transaction_for_peer(project_transaction, sender_id, cx)
7459 });
7460 Ok(proto::ApplyCodeActionResponse {
7461 transaction: Some(project_transaction),
7462 })
7463 }
7464
7465 async fn handle_on_type_formatting(
7466 this: ModelHandle<Self>,
7467 envelope: TypedEnvelope<proto::OnTypeFormatting>,
7468 _: Arc<Client>,
7469 mut cx: AsyncAppContext,
7470 ) -> Result<proto::OnTypeFormattingResponse> {
7471 let on_type_formatting = this.update(&mut cx, |this, cx| {
7472 let buffer = this
7473 .opened_buffers
7474 .get(&envelope.payload.buffer_id)
7475 .and_then(|buffer| buffer.upgrade(cx))
7476 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))?;
7477 let position = envelope
7478 .payload
7479 .position
7480 .and_then(deserialize_anchor)
7481 .ok_or_else(|| anyhow!("invalid position"))?;
7482 Ok::<_, anyhow::Error>(this.apply_on_type_formatting(
7483 buffer,
7484 position,
7485 envelope.payload.trigger.clone(),
7486 cx,
7487 ))
7488 })?;
7489
7490 let transaction = on_type_formatting
7491 .await?
7492 .as_ref()
7493 .map(language::proto::serialize_transaction);
7494 Ok(proto::OnTypeFormattingResponse { transaction })
7495 }
7496
7497 async fn handle_inlay_hints(
7498 this: ModelHandle<Self>,
7499 envelope: TypedEnvelope<proto::InlayHints>,
7500 _: Arc<Client>,
7501 mut cx: AsyncAppContext,
7502 ) -> Result<proto::InlayHintsResponse> {
7503 let sender_id = envelope.original_sender_id()?;
7504 let buffer = this.update(&mut cx, |this, cx| {
7505 this.opened_buffers
7506 .get(&envelope.payload.buffer_id)
7507 .and_then(|buffer| buffer.upgrade(cx))
7508 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))
7509 })?;
7510 let buffer_version = deserialize_version(&envelope.payload.version);
7511
7512 buffer
7513 .update(&mut cx, |buffer, _| {
7514 buffer.wait_for_version(buffer_version.clone())
7515 })
7516 .await
7517 .with_context(|| {
7518 format!(
7519 "waiting for version {:?} for buffer {}",
7520 buffer_version,
7521 buffer.id()
7522 )
7523 })?;
7524
7525 let start = envelope
7526 .payload
7527 .start
7528 .and_then(deserialize_anchor)
7529 .context("missing range start")?;
7530 let end = envelope
7531 .payload
7532 .end
7533 .and_then(deserialize_anchor)
7534 .context("missing range end")?;
7535 let buffer_hints = this
7536 .update(&mut cx, |project, cx| {
7537 project.inlay_hints(buffer, start..end, cx)
7538 })
7539 .await
7540 .context("inlay hints fetch")?;
7541
7542 Ok(this.update(&mut cx, |project, cx| {
7543 InlayHints::response_to_proto(buffer_hints, project, sender_id, &buffer_version, cx)
7544 }))
7545 }
7546
7547 async fn handle_resolve_inlay_hint(
7548 this: ModelHandle<Self>,
7549 envelope: TypedEnvelope<proto::ResolveInlayHint>,
7550 _: Arc<Client>,
7551 mut cx: AsyncAppContext,
7552 ) -> Result<proto::ResolveInlayHintResponse> {
7553 let proto_hint = envelope
7554 .payload
7555 .hint
7556 .expect("incorrect protobuf resolve inlay hint message: missing the inlay hint");
7557 let hint = InlayHints::proto_to_project_hint(proto_hint)
7558 .context("resolved proto inlay hint conversion")?;
7559 let buffer = this.update(&mut cx, |this, cx| {
7560 this.opened_buffers
7561 .get(&envelope.payload.buffer_id)
7562 .and_then(|buffer| buffer.upgrade(cx))
7563 .ok_or_else(|| anyhow!("unknown buffer id {}", envelope.payload.buffer_id))
7564 })?;
7565 let response_hint = this
7566 .update(&mut cx, |project, cx| {
7567 project.resolve_inlay_hint(
7568 hint,
7569 buffer,
7570 LanguageServerId(envelope.payload.language_server_id as usize),
7571 cx,
7572 )
7573 })
7574 .await
7575 .context("inlay hints fetch")?;
7576 Ok(proto::ResolveInlayHintResponse {
7577 hint: Some(InlayHints::project_to_proto_hint(response_hint)),
7578 })
7579 }
7580
7581 async fn handle_refresh_inlay_hints(
7582 this: ModelHandle<Self>,
7583 _: TypedEnvelope<proto::RefreshInlayHints>,
7584 _: Arc<Client>,
7585 mut cx: AsyncAppContext,
7586 ) -> Result<proto::Ack> {
7587 this.update(&mut cx, |_, cx| {
7588 cx.emit(Event::RefreshInlayHints);
7589 });
7590 Ok(proto::Ack {})
7591 }
7592
7593 async fn handle_lsp_command<T: LspCommand>(
7594 this: ModelHandle<Self>,
7595 envelope: TypedEnvelope<T::ProtoRequest>,
7596 _: Arc<Client>,
7597 mut cx: AsyncAppContext,
7598 ) -> Result<<T::ProtoRequest as proto::RequestMessage>::Response>
7599 where
7600 <T::LspRequest as lsp::request::Request>::Result: Send,
7601 {
7602 let sender_id = envelope.original_sender_id()?;
7603 let buffer_id = T::buffer_id_from_proto(&envelope.payload);
7604 let buffer_handle = this.read_with(&cx, |this, _| {
7605 this.opened_buffers
7606 .get(&buffer_id)
7607 .and_then(|buffer| buffer.upgrade(&cx))
7608 .ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))
7609 })?;
7610 let request = T::from_proto(
7611 envelope.payload,
7612 this.clone(),
7613 buffer_handle.clone(),
7614 cx.clone(),
7615 )
7616 .await?;
7617 let buffer_version = buffer_handle.read_with(&cx, |buffer, _| buffer.version());
7618 let response = this
7619 .update(&mut cx, |this, cx| {
7620 this.request_lsp(buffer_handle, LanguageServerToQuery::Primary, request, cx)
7621 })
7622 .await?;
7623 this.update(&mut cx, |this, cx| {
7624 Ok(T::response_to_proto(
7625 response,
7626 this,
7627 sender_id,
7628 &buffer_version,
7629 cx,
7630 ))
7631 })
7632 }
7633
7634 async fn handle_get_project_symbols(
7635 this: ModelHandle<Self>,
7636 envelope: TypedEnvelope<proto::GetProjectSymbols>,
7637 _: Arc<Client>,
7638 mut cx: AsyncAppContext,
7639 ) -> Result<proto::GetProjectSymbolsResponse> {
7640 let symbols = this
7641 .update(&mut cx, |this, cx| {
7642 this.symbols(&envelope.payload.query, cx)
7643 })
7644 .await?;
7645
7646 Ok(proto::GetProjectSymbolsResponse {
7647 symbols: symbols.iter().map(serialize_symbol).collect(),
7648 })
7649 }
7650
7651 async fn handle_search_project(
7652 this: ModelHandle<Self>,
7653 envelope: TypedEnvelope<proto::SearchProject>,
7654 _: Arc<Client>,
7655 mut cx: AsyncAppContext,
7656 ) -> Result<proto::SearchProjectResponse> {
7657 let peer_id = envelope.original_sender_id()?;
7658 let query = SearchQuery::from_proto(envelope.payload)?;
7659 let mut result = this.update(&mut cx, |this, cx| this.search(query, cx));
7660
7661 cx.spawn(|mut cx| async move {
7662 let mut locations = Vec::new();
7663 while let Some((buffer, ranges)) = result.next().await {
7664 for range in ranges {
7665 let start = serialize_anchor(&range.start);
7666 let end = serialize_anchor(&range.end);
7667 let buffer_id = this.update(&mut cx, |this, cx| {
7668 this.create_buffer_for_peer(&buffer, peer_id, cx)
7669 });
7670 locations.push(proto::Location {
7671 buffer_id,
7672 start: Some(start),
7673 end: Some(end),
7674 });
7675 }
7676 }
7677 Ok(proto::SearchProjectResponse { locations })
7678 })
7679 .await
7680 }
7681
7682 async fn handle_open_buffer_for_symbol(
7683 this: ModelHandle<Self>,
7684 envelope: TypedEnvelope<proto::OpenBufferForSymbol>,
7685 _: Arc<Client>,
7686 mut cx: AsyncAppContext,
7687 ) -> Result<proto::OpenBufferForSymbolResponse> {
7688 let peer_id = envelope.original_sender_id()?;
7689 let symbol = envelope
7690 .payload
7691 .symbol
7692 .ok_or_else(|| anyhow!("invalid symbol"))?;
7693 let symbol = this
7694 .read_with(&cx, |this, _| this.deserialize_symbol(symbol))
7695 .await?;
7696 let symbol = this.read_with(&cx, |this, _| {
7697 let signature = this.symbol_signature(&symbol.path);
7698 if signature == symbol.signature {
7699 Ok(symbol)
7700 } else {
7701 Err(anyhow!("invalid symbol signature"))
7702 }
7703 })?;
7704 let buffer = this
7705 .update(&mut cx, |this, cx| this.open_buffer_for_symbol(&symbol, cx))
7706 .await?;
7707
7708 Ok(proto::OpenBufferForSymbolResponse {
7709 buffer_id: this.update(&mut cx, |this, cx| {
7710 this.create_buffer_for_peer(&buffer, peer_id, cx)
7711 }),
7712 })
7713 }
7714
7715 fn symbol_signature(&self, project_path: &ProjectPath) -> [u8; 32] {
7716 let mut hasher = Sha256::new();
7717 hasher.update(project_path.worktree_id.to_proto().to_be_bytes());
7718 hasher.update(project_path.path.to_string_lossy().as_bytes());
7719 hasher.update(self.nonce.to_be_bytes());
7720 hasher.finalize().as_slice().try_into().unwrap()
7721 }
7722
7723 async fn handle_open_buffer_by_id(
7724 this: ModelHandle<Self>,
7725 envelope: TypedEnvelope<proto::OpenBufferById>,
7726 _: Arc<Client>,
7727 mut cx: AsyncAppContext,
7728 ) -> Result<proto::OpenBufferResponse> {
7729 let peer_id = envelope.original_sender_id()?;
7730 let buffer = this
7731 .update(&mut cx, |this, cx| {
7732 this.open_buffer_by_id(envelope.payload.id, cx)
7733 })
7734 .await?;
7735 this.update(&mut cx, |this, cx| {
7736 Ok(proto::OpenBufferResponse {
7737 buffer_id: this.create_buffer_for_peer(&buffer, peer_id, cx),
7738 })
7739 })
7740 }
7741
7742 async fn handle_open_buffer_by_path(
7743 this: ModelHandle<Self>,
7744 envelope: TypedEnvelope<proto::OpenBufferByPath>,
7745 _: Arc<Client>,
7746 mut cx: AsyncAppContext,
7747 ) -> Result<proto::OpenBufferResponse> {
7748 let peer_id = envelope.original_sender_id()?;
7749 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
7750 let open_buffer = this.update(&mut cx, |this, cx| {
7751 this.open_buffer(
7752 ProjectPath {
7753 worktree_id,
7754 path: PathBuf::from(envelope.payload.path).into(),
7755 },
7756 cx,
7757 )
7758 });
7759
7760 let buffer = open_buffer.await?;
7761 this.update(&mut cx, |this, cx| {
7762 Ok(proto::OpenBufferResponse {
7763 buffer_id: this.create_buffer_for_peer(&buffer, peer_id, cx),
7764 })
7765 })
7766 }
7767
7768 fn serialize_project_transaction_for_peer(
7769 &mut self,
7770 project_transaction: ProjectTransaction,
7771 peer_id: proto::PeerId,
7772 cx: &mut AppContext,
7773 ) -> proto::ProjectTransaction {
7774 let mut serialized_transaction = proto::ProjectTransaction {
7775 buffer_ids: Default::default(),
7776 transactions: Default::default(),
7777 };
7778 for (buffer, transaction) in project_transaction.0 {
7779 serialized_transaction
7780 .buffer_ids
7781 .push(self.create_buffer_for_peer(&buffer, peer_id, cx));
7782 serialized_transaction
7783 .transactions
7784 .push(language::proto::serialize_transaction(&transaction));
7785 }
7786 serialized_transaction
7787 }
7788
7789 fn deserialize_project_transaction(
7790 &mut self,
7791 message: proto::ProjectTransaction,
7792 push_to_history: bool,
7793 cx: &mut ModelContext<Self>,
7794 ) -> Task<Result<ProjectTransaction>> {
7795 cx.spawn(|this, mut cx| async move {
7796 let mut project_transaction = ProjectTransaction::default();
7797 for (buffer_id, transaction) in message.buffer_ids.into_iter().zip(message.transactions)
7798 {
7799 let buffer = this
7800 .update(&mut cx, |this, cx| {
7801 this.wait_for_remote_buffer(buffer_id, cx)
7802 })
7803 .await?;
7804 let transaction = language::proto::deserialize_transaction(transaction)?;
7805 project_transaction.0.insert(buffer, transaction);
7806 }
7807
7808 for (buffer, transaction) in &project_transaction.0 {
7809 buffer
7810 .update(&mut cx, |buffer, _| {
7811 buffer.wait_for_edits(transaction.edit_ids.iter().copied())
7812 })
7813 .await?;
7814
7815 if push_to_history {
7816 buffer.update(&mut cx, |buffer, _| {
7817 buffer.push_transaction(transaction.clone(), Instant::now());
7818 });
7819 }
7820 }
7821
7822 Ok(project_transaction)
7823 })
7824 }
7825
7826 fn create_buffer_for_peer(
7827 &mut self,
7828 buffer: &ModelHandle<Buffer>,
7829 peer_id: proto::PeerId,
7830 cx: &mut AppContext,
7831 ) -> u64 {
7832 let buffer_id = buffer.read(cx).remote_id();
7833 if let Some(ProjectClientState::Local { updates_tx, .. }) = &self.client_state {
7834 updates_tx
7835 .unbounded_send(LocalProjectUpdate::CreateBufferForPeer { peer_id, buffer_id })
7836 .ok();
7837 }
7838 buffer_id
7839 }
7840
7841 fn wait_for_remote_buffer(
7842 &mut self,
7843 id: u64,
7844 cx: &mut ModelContext<Self>,
7845 ) -> Task<Result<ModelHandle<Buffer>>> {
7846 let mut opened_buffer_rx = self.opened_buffer.1.clone();
7847
7848 cx.spawn_weak(|this, mut cx| async move {
7849 let buffer = loop {
7850 let Some(this) = this.upgrade(&cx) else {
7851 return Err(anyhow!("project dropped"));
7852 };
7853
7854 let buffer = this.read_with(&cx, |this, cx| {
7855 this.opened_buffers
7856 .get(&id)
7857 .and_then(|buffer| buffer.upgrade(cx))
7858 });
7859
7860 if let Some(buffer) = buffer {
7861 break buffer;
7862 } else if this.read_with(&cx, |this, _| this.is_read_only()) {
7863 return Err(anyhow!("disconnected before buffer {} could be opened", id));
7864 }
7865
7866 this.update(&mut cx, |this, _| {
7867 this.incomplete_remote_buffers.entry(id).or_default();
7868 });
7869 drop(this);
7870
7871 opened_buffer_rx
7872 .next()
7873 .await
7874 .ok_or_else(|| anyhow!("project dropped while waiting for buffer"))?;
7875 };
7876
7877 Ok(buffer)
7878 })
7879 }
7880
7881 fn synchronize_remote_buffers(&mut self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
7882 let project_id = match self.client_state.as_ref() {
7883 Some(ProjectClientState::Remote {
7884 sharing_has_stopped,
7885 remote_id,
7886 ..
7887 }) => {
7888 if *sharing_has_stopped {
7889 return Task::ready(Err(anyhow!(
7890 "can't synchronize remote buffers on a readonly project"
7891 )));
7892 } else {
7893 *remote_id
7894 }
7895 }
7896 Some(ProjectClientState::Local { .. }) | None => {
7897 return Task::ready(Err(anyhow!(
7898 "can't synchronize remote buffers on a local project"
7899 )))
7900 }
7901 };
7902
7903 let client = self.client.clone();
7904 cx.spawn(|this, cx| async move {
7905 let (buffers, incomplete_buffer_ids) = this.read_with(&cx, |this, cx| {
7906 let buffers = this
7907 .opened_buffers
7908 .iter()
7909 .filter_map(|(id, buffer)| {
7910 let buffer = buffer.upgrade(cx)?;
7911 Some(proto::BufferVersion {
7912 id: *id,
7913 version: language::proto::serialize_version(&buffer.read(cx).version),
7914 })
7915 })
7916 .collect();
7917 let incomplete_buffer_ids = this
7918 .incomplete_remote_buffers
7919 .keys()
7920 .copied()
7921 .collect::<Vec<_>>();
7922
7923 (buffers, incomplete_buffer_ids)
7924 });
7925 let response = client
7926 .request(proto::SynchronizeBuffers {
7927 project_id,
7928 buffers,
7929 })
7930 .await?;
7931
7932 let send_updates_for_buffers = response.buffers.into_iter().map(|buffer| {
7933 let client = client.clone();
7934 let buffer_id = buffer.id;
7935 let remote_version = language::proto::deserialize_version(&buffer.version);
7936 this.read_with(&cx, |this, cx| {
7937 if let Some(buffer) = this.buffer_for_id(buffer_id, cx) {
7938 let operations = buffer.read(cx).serialize_ops(Some(remote_version), cx);
7939 cx.background().spawn(async move {
7940 let operations = operations.await;
7941 for chunk in split_operations(operations) {
7942 client
7943 .request(proto::UpdateBuffer {
7944 project_id,
7945 buffer_id,
7946 operations: chunk,
7947 })
7948 .await?;
7949 }
7950 anyhow::Ok(())
7951 })
7952 } else {
7953 Task::ready(Ok(()))
7954 }
7955 })
7956 });
7957
7958 // Any incomplete buffers have open requests waiting. Request that the host sends
7959 // creates these buffers for us again to unblock any waiting futures.
7960 for id in incomplete_buffer_ids {
7961 cx.background()
7962 .spawn(client.request(proto::OpenBufferById { project_id, id }))
7963 .detach();
7964 }
7965
7966 futures::future::join_all(send_updates_for_buffers)
7967 .await
7968 .into_iter()
7969 .collect()
7970 })
7971 }
7972
7973 pub fn worktree_metadata_protos(&self, cx: &AppContext) -> Vec<proto::WorktreeMetadata> {
7974 self.worktrees(cx)
7975 .map(|worktree| {
7976 let worktree = worktree.read(cx);
7977 proto::WorktreeMetadata {
7978 id: worktree.id().to_proto(),
7979 root_name: worktree.root_name().into(),
7980 visible: worktree.is_visible(),
7981 abs_path: worktree.abs_path().to_string_lossy().into(),
7982 }
7983 })
7984 .collect()
7985 }
7986
7987 fn set_worktrees_from_proto(
7988 &mut self,
7989 worktrees: Vec<proto::WorktreeMetadata>,
7990 cx: &mut ModelContext<Project>,
7991 ) -> Result<()> {
7992 let replica_id = self.replica_id();
7993 let remote_id = self.remote_id().ok_or_else(|| anyhow!("invalid project"))?;
7994
7995 let mut old_worktrees_by_id = self
7996 .worktrees
7997 .drain(..)
7998 .filter_map(|worktree| {
7999 let worktree = worktree.upgrade(cx)?;
8000 Some((worktree.read(cx).id(), worktree))
8001 })
8002 .collect::<HashMap<_, _>>();
8003
8004 for worktree in worktrees {
8005 if let Some(old_worktree) =
8006 old_worktrees_by_id.remove(&WorktreeId::from_proto(worktree.id))
8007 {
8008 self.worktrees.push(WorktreeHandle::Strong(old_worktree));
8009 } else {
8010 let worktree =
8011 Worktree::remote(remote_id, replica_id, worktree, self.client.clone(), cx);
8012 let _ = self.add_worktree(&worktree, cx);
8013 }
8014 }
8015
8016 self.metadata_changed(cx);
8017 for id in old_worktrees_by_id.keys() {
8018 cx.emit(Event::WorktreeRemoved(*id));
8019 }
8020
8021 Ok(())
8022 }
8023
8024 fn set_collaborators_from_proto(
8025 &mut self,
8026 messages: Vec<proto::Collaborator>,
8027 cx: &mut ModelContext<Self>,
8028 ) -> Result<()> {
8029 let mut collaborators = HashMap::default();
8030 for message in messages {
8031 let collaborator = Collaborator::from_proto(message)?;
8032 collaborators.insert(collaborator.peer_id, collaborator);
8033 }
8034 for old_peer_id in self.collaborators.keys() {
8035 if !collaborators.contains_key(old_peer_id) {
8036 cx.emit(Event::CollaboratorLeft(*old_peer_id));
8037 }
8038 }
8039 self.collaborators = collaborators;
8040 Ok(())
8041 }
8042
8043 fn deserialize_symbol(
8044 &self,
8045 serialized_symbol: proto::Symbol,
8046 ) -> impl Future<Output = Result<Symbol>> {
8047 let languages = self.languages.clone();
8048 async move {
8049 let source_worktree_id = WorktreeId::from_proto(serialized_symbol.source_worktree_id);
8050 let worktree_id = WorktreeId::from_proto(serialized_symbol.worktree_id);
8051 let start = serialized_symbol
8052 .start
8053 .ok_or_else(|| anyhow!("invalid start"))?;
8054 let end = serialized_symbol
8055 .end
8056 .ok_or_else(|| anyhow!("invalid end"))?;
8057 let kind = unsafe { mem::transmute(serialized_symbol.kind) };
8058 let path = ProjectPath {
8059 worktree_id,
8060 path: PathBuf::from(serialized_symbol.path).into(),
8061 };
8062 let language = languages
8063 .language_for_file(&path.path, None)
8064 .await
8065 .log_err();
8066 Ok(Symbol {
8067 language_server_name: LanguageServerName(
8068 serialized_symbol.language_server_name.into(),
8069 ),
8070 source_worktree_id,
8071 path,
8072 label: {
8073 match language {
8074 Some(language) => {
8075 language
8076 .label_for_symbol(&serialized_symbol.name, kind)
8077 .await
8078 }
8079 None => None,
8080 }
8081 .unwrap_or_else(|| CodeLabel::plain(serialized_symbol.name.clone(), None))
8082 },
8083
8084 name: serialized_symbol.name,
8085 range: Unclipped(PointUtf16::new(start.row, start.column))
8086 ..Unclipped(PointUtf16::new(end.row, end.column)),
8087 kind,
8088 signature: serialized_symbol
8089 .signature
8090 .try_into()
8091 .map_err(|_| anyhow!("invalid signature"))?,
8092 })
8093 }
8094 }
8095
8096 async fn handle_buffer_saved(
8097 this: ModelHandle<Self>,
8098 envelope: TypedEnvelope<proto::BufferSaved>,
8099 _: Arc<Client>,
8100 mut cx: AsyncAppContext,
8101 ) -> Result<()> {
8102 let fingerprint = deserialize_fingerprint(&envelope.payload.fingerprint)?;
8103 let version = deserialize_version(&envelope.payload.version);
8104 let mtime = envelope
8105 .payload
8106 .mtime
8107 .ok_or_else(|| anyhow!("missing mtime"))?
8108 .into();
8109
8110 this.update(&mut cx, |this, cx| {
8111 let buffer = this
8112 .opened_buffers
8113 .get(&envelope.payload.buffer_id)
8114 .and_then(|buffer| buffer.upgrade(cx))
8115 .or_else(|| {
8116 this.incomplete_remote_buffers
8117 .get(&envelope.payload.buffer_id)
8118 .and_then(|b| b.clone())
8119 });
8120 if let Some(buffer) = buffer {
8121 buffer.update(cx, |buffer, cx| {
8122 buffer.did_save(version, fingerprint, mtime, cx);
8123 });
8124 }
8125 Ok(())
8126 })
8127 }
8128
8129 async fn handle_buffer_reloaded(
8130 this: ModelHandle<Self>,
8131 envelope: TypedEnvelope<proto::BufferReloaded>,
8132 _: Arc<Client>,
8133 mut cx: AsyncAppContext,
8134 ) -> Result<()> {
8135 let payload = envelope.payload;
8136 let version = deserialize_version(&payload.version);
8137 let fingerprint = deserialize_fingerprint(&payload.fingerprint)?;
8138 let line_ending = deserialize_line_ending(
8139 proto::LineEnding::from_i32(payload.line_ending)
8140 .ok_or_else(|| anyhow!("missing line ending"))?,
8141 );
8142 let mtime = payload
8143 .mtime
8144 .ok_or_else(|| anyhow!("missing mtime"))?
8145 .into();
8146 this.update(&mut cx, |this, cx| {
8147 let buffer = this
8148 .opened_buffers
8149 .get(&payload.buffer_id)
8150 .and_then(|buffer| buffer.upgrade(cx))
8151 .or_else(|| {
8152 this.incomplete_remote_buffers
8153 .get(&payload.buffer_id)
8154 .cloned()
8155 .flatten()
8156 });
8157 if let Some(buffer) = buffer {
8158 buffer.update(cx, |buffer, cx| {
8159 buffer.did_reload(version, fingerprint, line_ending, mtime, cx);
8160 });
8161 }
8162 Ok(())
8163 })
8164 }
8165
8166 #[allow(clippy::type_complexity)]
8167 fn edits_from_lsp(
8168 &mut self,
8169 buffer: &ModelHandle<Buffer>,
8170 lsp_edits: impl 'static + Send + IntoIterator<Item = lsp::TextEdit>,
8171 server_id: LanguageServerId,
8172 version: Option<i32>,
8173 cx: &mut ModelContext<Self>,
8174 ) -> Task<Result<Vec<(Range<Anchor>, String)>>> {
8175 let snapshot = self.buffer_snapshot_for_lsp_version(buffer, server_id, version, cx);
8176 cx.background().spawn(async move {
8177 let snapshot = snapshot?;
8178 let mut lsp_edits = lsp_edits
8179 .into_iter()
8180 .map(|edit| (range_from_lsp(edit.range), edit.new_text))
8181 .collect::<Vec<_>>();
8182 lsp_edits.sort_by_key(|(range, _)| range.start);
8183
8184 let mut lsp_edits = lsp_edits.into_iter().peekable();
8185 let mut edits = Vec::new();
8186 while let Some((range, mut new_text)) = lsp_edits.next() {
8187 // Clip invalid ranges provided by the language server.
8188 let mut range = snapshot.clip_point_utf16(range.start, Bias::Left)
8189 ..snapshot.clip_point_utf16(range.end, Bias::Left);
8190
8191 // Combine any LSP edits that are adjacent.
8192 //
8193 // Also, combine LSP edits that are separated from each other by only
8194 // a newline. This is important because for some code actions,
8195 // Rust-analyzer rewrites the entire buffer via a series of edits that
8196 // are separated by unchanged newline characters.
8197 //
8198 // In order for the diffing logic below to work properly, any edits that
8199 // cancel each other out must be combined into one.
8200 while let Some((next_range, next_text)) = lsp_edits.peek() {
8201 if next_range.start.0 > range.end {
8202 if next_range.start.0.row > range.end.row + 1
8203 || next_range.start.0.column > 0
8204 || snapshot.clip_point_utf16(
8205 Unclipped(PointUtf16::new(range.end.row, u32::MAX)),
8206 Bias::Left,
8207 ) > range.end
8208 {
8209 break;
8210 }
8211 new_text.push('\n');
8212 }
8213 range.end = snapshot.clip_point_utf16(next_range.end, Bias::Left);
8214 new_text.push_str(next_text);
8215 lsp_edits.next();
8216 }
8217
8218 // For multiline edits, perform a diff of the old and new text so that
8219 // we can identify the changes more precisely, preserving the locations
8220 // of any anchors positioned in the unchanged regions.
8221 if range.end.row > range.start.row {
8222 let mut offset = range.start.to_offset(&snapshot);
8223 let old_text = snapshot.text_for_range(range).collect::<String>();
8224
8225 let diff = TextDiff::from_lines(old_text.as_str(), &new_text);
8226 let mut moved_since_edit = true;
8227 for change in diff.iter_all_changes() {
8228 let tag = change.tag();
8229 let value = change.value();
8230 match tag {
8231 ChangeTag::Equal => {
8232 offset += value.len();
8233 moved_since_edit = true;
8234 }
8235 ChangeTag::Delete => {
8236 let start = snapshot.anchor_after(offset);
8237 let end = snapshot.anchor_before(offset + value.len());
8238 if moved_since_edit {
8239 edits.push((start..end, String::new()));
8240 } else {
8241 edits.last_mut().unwrap().0.end = end;
8242 }
8243 offset += value.len();
8244 moved_since_edit = false;
8245 }
8246 ChangeTag::Insert => {
8247 if moved_since_edit {
8248 let anchor = snapshot.anchor_after(offset);
8249 edits.push((anchor..anchor, value.to_string()));
8250 } else {
8251 edits.last_mut().unwrap().1.push_str(value);
8252 }
8253 moved_since_edit = false;
8254 }
8255 }
8256 }
8257 } else if range.end == range.start {
8258 let anchor = snapshot.anchor_after(range.start);
8259 edits.push((anchor..anchor, new_text));
8260 } else {
8261 let edit_start = snapshot.anchor_after(range.start);
8262 let edit_end = snapshot.anchor_before(range.end);
8263 edits.push((edit_start..edit_end, new_text));
8264 }
8265 }
8266
8267 Ok(edits)
8268 })
8269 }
8270
8271 fn buffer_snapshot_for_lsp_version(
8272 &mut self,
8273 buffer: &ModelHandle<Buffer>,
8274 server_id: LanguageServerId,
8275 version: Option<i32>,
8276 cx: &AppContext,
8277 ) -> Result<TextBufferSnapshot> {
8278 const OLD_VERSIONS_TO_RETAIN: i32 = 10;
8279
8280 if let Some(version) = version {
8281 let buffer_id = buffer.read(cx).remote_id();
8282 let snapshots = self
8283 .buffer_snapshots
8284 .get_mut(&buffer_id)
8285 .and_then(|m| m.get_mut(&server_id))
8286 .ok_or_else(|| {
8287 anyhow!("no snapshots found for buffer {buffer_id} and server {server_id}")
8288 })?;
8289
8290 let found_snapshot = snapshots
8291 .binary_search_by_key(&version, |e| e.version)
8292 .map(|ix| snapshots[ix].snapshot.clone())
8293 .map_err(|_| {
8294 anyhow!("snapshot not found for buffer {buffer_id} server {server_id} at version {version}")
8295 })?;
8296
8297 snapshots.retain(|snapshot| snapshot.version + OLD_VERSIONS_TO_RETAIN >= version);
8298 Ok(found_snapshot)
8299 } else {
8300 Ok((buffer.read(cx)).text_snapshot())
8301 }
8302 }
8303
8304 pub fn language_servers(
8305 &self,
8306 ) -> impl '_ + Iterator<Item = (LanguageServerId, LanguageServerName, WorktreeId)> {
8307 self.language_server_ids
8308 .iter()
8309 .map(|((worktree_id, server_name), server_id)| {
8310 (*server_id, server_name.clone(), *worktree_id)
8311 })
8312 }
8313
8314 pub fn supplementary_language_servers(
8315 &self,
8316 ) -> impl '_
8317 + Iterator<
8318 Item = (
8319 &LanguageServerId,
8320 &(LanguageServerName, Arc<LanguageServer>),
8321 ),
8322 > {
8323 self.supplementary_language_servers.iter()
8324 }
8325
8326 pub fn language_server_for_id(&self, id: LanguageServerId) -> Option<Arc<LanguageServer>> {
8327 if let Some(LanguageServerState::Running { server, .. }) = self.language_servers.get(&id) {
8328 Some(server.clone())
8329 } else if let Some((_, server)) = self.supplementary_language_servers.get(&id) {
8330 Some(Arc::clone(server))
8331 } else {
8332 None
8333 }
8334 }
8335
8336 pub fn language_servers_for_buffer(
8337 &self,
8338 buffer: &Buffer,
8339 cx: &AppContext,
8340 ) -> impl Iterator<Item = (&Arc<CachedLspAdapter>, &Arc<LanguageServer>)> {
8341 self.language_server_ids_for_buffer(buffer, cx)
8342 .into_iter()
8343 .filter_map(|server_id| match self.language_servers.get(&server_id)? {
8344 LanguageServerState::Running {
8345 adapter, server, ..
8346 } => Some((adapter, server)),
8347 _ => None,
8348 })
8349 }
8350
8351 fn primary_language_server_for_buffer(
8352 &self,
8353 buffer: &Buffer,
8354 cx: &AppContext,
8355 ) -> Option<(&Arc<CachedLspAdapter>, &Arc<LanguageServer>)> {
8356 self.language_servers_for_buffer(buffer, cx).next()
8357 }
8358
8359 pub fn language_server_for_buffer(
8360 &self,
8361 buffer: &Buffer,
8362 server_id: LanguageServerId,
8363 cx: &AppContext,
8364 ) -> Option<(&Arc<CachedLspAdapter>, &Arc<LanguageServer>)> {
8365 self.language_servers_for_buffer(buffer, cx)
8366 .find(|(_, s)| s.server_id() == server_id)
8367 }
8368
8369 fn language_server_ids_for_buffer(
8370 &self,
8371 buffer: &Buffer,
8372 cx: &AppContext,
8373 ) -> Vec<LanguageServerId> {
8374 if let Some((file, language)) = File::from_dyn(buffer.file()).zip(buffer.language()) {
8375 let worktree_id = file.worktree_id(cx);
8376 language
8377 .lsp_adapters()
8378 .iter()
8379 .flat_map(|adapter| {
8380 let key = (worktree_id, adapter.name.clone());
8381 self.language_server_ids.get(&key).copied()
8382 })
8383 .collect()
8384 } else {
8385 Vec::new()
8386 }
8387 }
8388
8389 fn prettier_instance_for_buffer(
8390 &mut self,
8391 buffer: &ModelHandle<Buffer>,
8392 cx: &mut ModelContext<Self>,
8393 ) -> Task<
8394 Option<(
8395 Option<PathBuf>,
8396 Shared<Task<Result<Arc<Prettier>, Arc<anyhow::Error>>>>,
8397 )>,
8398 > {
8399 let buffer = buffer.read(cx);
8400 let buffer_file = buffer.file();
8401 let Some(buffer_language) = buffer.language() else {
8402 return Task::ready(None);
8403 };
8404 if buffer_language.prettier_parser_name().is_none() {
8405 return Task::ready(None);
8406 }
8407
8408 if self.is_local() {
8409 let Some(node) = self.node.as_ref().map(Arc::clone) else {
8410 return Task::ready(None);
8411 };
8412 match File::from_dyn(buffer_file).map(|file| (file.worktree_id(cx), file.abs_path(cx)))
8413 {
8414 Some((worktree_id, buffer_path)) => {
8415 let fs = Arc::clone(&self.fs);
8416 let installed_prettiers = self.prettier_instances.keys().cloned().collect();
8417 return cx.spawn(|project, mut cx| async move {
8418 match cx
8419 .background()
8420 .spawn(async move {
8421 Prettier::locate_prettier_installation(
8422 fs.as_ref(),
8423 &installed_prettiers,
8424 &buffer_path,
8425 )
8426 .await
8427 })
8428 .await
8429 {
8430 Ok(None) => {
8431 project.update(&mut cx, |project, _| {
8432 project
8433 .prettiers_per_worktree
8434 .entry(worktree_id)
8435 .or_default()
8436 .insert(None)
8437 });
8438 let new_task = project.update(&mut cx, |project, cx| {
8439 let new_task = start_prettier(
8440 node,
8441 DEFAULT_PRETTIER_DIR.clone(),
8442 Some(worktree_id),
8443 cx,
8444 );
8445 project
8446 .default_prettier
8447 .get_or_insert_with(|| DefaultPrettier {
8448 instance: None,
8449 #[cfg(not(any(test, feature = "test-support")))]
8450 installed_plugins: HashSet::default(),
8451 })
8452 .instance = Some(new_task.clone());
8453 new_task
8454 });
8455 return Some((None, new_task));
8456 }
8457 Ok(Some(prettier_dir)) => {
8458 project.update(&mut cx, |project, _| {
8459 project
8460 .prettiers_per_worktree
8461 .entry(worktree_id)
8462 .or_default()
8463 .insert(Some(prettier_dir.clone()))
8464 });
8465 if let Some(existing_prettier) =
8466 project.update(&mut cx, |project, _| {
8467 project.prettier_instances.get(&prettier_dir).cloned()
8468 })
8469 {
8470 return Some((Some(prettier_dir), existing_prettier));
8471 }
8472
8473 log::info!("Found prettier in {prettier_dir:?}, starting.");
8474 let new_prettier_task = project.update(&mut cx, |project, cx| {
8475 let new_prettier_task = start_prettier(
8476 node,
8477 prettier_dir.clone(),
8478 Some(worktree_id),
8479 cx,
8480 );
8481 project
8482 .prettier_instances
8483 .insert(prettier_dir.clone(), new_prettier_task.clone());
8484 new_prettier_task
8485 });
8486 Some((Some(prettier_dir), new_prettier_task))
8487 }
8488 Err(e) => {
8489 return Some((
8490 None,
8491 Task::ready(Err(Arc::new(
8492 e.context("determining prettier path"),
8493 )))
8494 .shared(),
8495 ));
8496 }
8497 }
8498 });
8499 }
8500 None => {
8501 let new_task = start_prettier(node, DEFAULT_PRETTIER_DIR.clone(), None, cx);
8502 self.default_prettier
8503 .get_or_insert_with(|| DefaultPrettier {
8504 instance: None,
8505 #[cfg(not(any(test, feature = "test-support")))]
8506 installed_plugins: HashSet::default(),
8507 })
8508 .instance = Some(new_task.clone());
8509 return Task::ready(Some((None, new_task)));
8510 }
8511 }
8512 } else if self.remote_id().is_some() {
8513 return Task::ready(None);
8514 } else {
8515 Task::ready(Some((
8516 None,
8517 Task::ready(Err(Arc::new(anyhow!("project does not have a remote id")))).shared(),
8518 )))
8519 }
8520 }
8521
8522 #[cfg(any(test, feature = "test-support"))]
8523 fn install_default_formatters(
8524 &mut self,
8525 _worktree: Option<WorktreeId>,
8526 _new_language: &Language,
8527 _language_settings: &LanguageSettings,
8528 _cx: &mut ModelContext<Self>,
8529 ) -> Task<anyhow::Result<()>> {
8530 return Task::ready(Ok(()));
8531 }
8532
8533 #[cfg(not(any(test, feature = "test-support")))]
8534 fn install_default_formatters(
8535 &mut self,
8536 worktree: Option<WorktreeId>,
8537 new_language: &Language,
8538 language_settings: &LanguageSettings,
8539 cx: &mut ModelContext<Self>,
8540 ) -> Task<anyhow::Result<()>> {
8541 match &language_settings.formatter {
8542 Formatter::Prettier { .. } | Formatter::Auto => {}
8543 Formatter::LanguageServer | Formatter::External { .. } => return Task::ready(Ok(())),
8544 };
8545 let Some(node) = self.node.as_ref().cloned() else {
8546 return Task::ready(Ok(()));
8547 };
8548
8549 let mut prettier_plugins = None;
8550 if new_language.prettier_parser_name().is_some() {
8551 prettier_plugins
8552 .get_or_insert_with(|| HashSet::<&'static str>::default())
8553 .extend(
8554 new_language
8555 .lsp_adapters()
8556 .iter()
8557 .flat_map(|adapter| adapter.prettier_plugins()),
8558 )
8559 }
8560 let Some(prettier_plugins) = prettier_plugins else {
8561 return Task::ready(Ok(()));
8562 };
8563
8564 let fs = Arc::clone(&self.fs);
8565 let locate_prettier_installation = match worktree.and_then(|worktree_id| {
8566 self.worktree_for_id(worktree_id, cx)
8567 .map(|worktree| worktree.read(cx).abs_path())
8568 }) {
8569 Some(locate_from) => {
8570 let installed_prettiers = self.prettier_instances.keys().cloned().collect();
8571 cx.background().spawn(async move {
8572 Prettier::locate_prettier_installation(
8573 fs.as_ref(),
8574 &installed_prettiers,
8575 locate_from.as_ref(),
8576 )
8577 .await
8578 })
8579 }
8580 None => Task::ready(Ok(None)),
8581 };
8582 let mut plugins_to_install = prettier_plugins;
8583 let previous_installation_process =
8584 if let Some(default_prettier) = &mut self.default_prettier {
8585 plugins_to_install
8586 .retain(|plugin| !default_prettier.installed_plugins.contains(plugin));
8587 if plugins_to_install.is_empty() {
8588 return Task::ready(Ok(()));
8589 }
8590 default_prettier.instance.clone()
8591 } else {
8592 None
8593 };
8594 let fs = Arc::clone(&self.fs);
8595 cx.spawn(|this, mut cx| async move {
8596 match locate_prettier_installation
8597 .await
8598 .context("locate prettier installation")?
8599 {
8600 Some(_non_default_prettier) => return Ok(()),
8601 None => {
8602 let mut needs_restart = match previous_installation_process {
8603 Some(previous_installation_process) => {
8604 previous_installation_process.await.is_err()
8605 }
8606 None => true,
8607 };
8608 this.update(&mut cx, |this, _| {
8609 if let Some(default_prettier) = &mut this.default_prettier {
8610 plugins_to_install.retain(|plugin| {
8611 !default_prettier.installed_plugins.contains(plugin)
8612 });
8613 needs_restart |= !plugins_to_install.is_empty();
8614 }
8615 });
8616 if needs_restart {
8617 let installed_plugins = plugins_to_install.clone();
8618 cx.background()
8619 .spawn(async move {
8620 install_default_prettier(plugins_to_install, node, fs).await
8621 })
8622 .await
8623 .context("prettier & plugins install")?;
8624 this.update(&mut cx, |this, _| {
8625 let default_prettier =
8626 this.default_prettier
8627 .get_or_insert_with(|| DefaultPrettier {
8628 instance: None,
8629 installed_plugins: HashSet::default(),
8630 });
8631 default_prettier.instance = None;
8632 default_prettier.installed_plugins.extend(installed_plugins);
8633 });
8634 }
8635 }
8636 }
8637 Ok(())
8638 })
8639 }
8640}
8641
8642fn start_prettier(
8643 node: Arc<dyn NodeRuntime>,
8644 prettier_dir: PathBuf,
8645 worktree_id: Option<WorktreeId>,
8646 cx: &mut ModelContext<'_, Project>,
8647) -> Shared<Task<Result<Arc<Prettier>, Arc<anyhow::Error>>>> {
8648 cx.spawn(|project, mut cx| async move {
8649 let new_server_id = project.update(&mut cx, |project, _| {
8650 project.languages.next_language_server_id()
8651 });
8652 let new_prettier = Prettier::start(new_server_id, prettier_dir, node, cx.clone())
8653 .await
8654 .context("default prettier spawn")
8655 .map(Arc::new)
8656 .map_err(Arc::new)?;
8657 register_new_prettier(&project, &new_prettier, worktree_id, new_server_id, &mut cx);
8658 Ok(new_prettier)
8659 })
8660 .shared()
8661}
8662
8663fn register_new_prettier(
8664 project: &ModelHandle<Project>,
8665 prettier: &Prettier,
8666 worktree_id: Option<WorktreeId>,
8667 new_server_id: LanguageServerId,
8668 cx: &mut AsyncAppContext,
8669) {
8670 let prettier_dir = prettier.prettier_dir();
8671 let is_default = prettier.is_default();
8672 if is_default {
8673 log::info!("Started default prettier in {prettier_dir:?}");
8674 } else {
8675 log::info!("Started prettier in {prettier_dir:?}");
8676 }
8677 if let Some(prettier_server) = prettier.server() {
8678 project.update(cx, |project, cx| {
8679 let name = if is_default {
8680 LanguageServerName(Arc::from("prettier (default)"))
8681 } else {
8682 let worktree_path = worktree_id
8683 .and_then(|id| project.worktree_for_id(id, cx))
8684 .map(|worktree| worktree.update(cx, |worktree, _| worktree.abs_path()));
8685 let name = match worktree_path {
8686 Some(worktree_path) => {
8687 if prettier_dir == worktree_path.as_ref() {
8688 let name = prettier_dir
8689 .file_name()
8690 .and_then(|name| name.to_str())
8691 .unwrap_or_default();
8692 format!("prettier ({name})")
8693 } else {
8694 let dir_to_display = prettier_dir
8695 .strip_prefix(worktree_path.as_ref())
8696 .ok()
8697 .unwrap_or(prettier_dir);
8698 format!("prettier ({})", dir_to_display.display())
8699 }
8700 }
8701 None => format!("prettier ({})", prettier_dir.display()),
8702 };
8703 LanguageServerName(Arc::from(name))
8704 };
8705 project
8706 .supplementary_language_servers
8707 .insert(new_server_id, (name, Arc::clone(prettier_server)));
8708 cx.emit(Event::LanguageServerAdded(new_server_id));
8709 });
8710 }
8711}
8712
8713#[cfg(not(any(test, feature = "test-support")))]
8714async fn install_default_prettier(
8715 plugins_to_install: HashSet<&'static str>,
8716 node: Arc<dyn NodeRuntime>,
8717 fs: Arc<dyn Fs>,
8718) -> anyhow::Result<()> {
8719 let prettier_wrapper_path = DEFAULT_PRETTIER_DIR.join(prettier::PRETTIER_SERVER_FILE);
8720 // method creates parent directory if it doesn't exist
8721 fs.save(
8722 &prettier_wrapper_path,
8723 &text::Rope::from(prettier::PRETTIER_SERVER_JS),
8724 text::LineEnding::Unix,
8725 )
8726 .await
8727 .with_context(|| {
8728 format!(
8729 "writing {} file at {prettier_wrapper_path:?}",
8730 prettier::PRETTIER_SERVER_FILE
8731 )
8732 })?;
8733
8734 let packages_to_versions =
8735 future::try_join_all(plugins_to_install.iter().chain(Some(&"prettier")).map(
8736 |package_name| async {
8737 let returned_package_name = package_name.to_string();
8738 let latest_version = node
8739 .npm_package_latest_version(package_name)
8740 .await
8741 .with_context(|| {
8742 format!("fetching latest npm version for package {returned_package_name}")
8743 })?;
8744 anyhow::Ok((returned_package_name, latest_version))
8745 },
8746 ))
8747 .await
8748 .context("fetching latest npm versions")?;
8749
8750 log::info!("Fetching default prettier and plugins: {packages_to_versions:?}");
8751 let borrowed_packages = packages_to_versions
8752 .iter()
8753 .map(|(package, version)| (package.as_str(), version.as_str()))
8754 .collect::<Vec<_>>();
8755 node.npm_install_packages(DEFAULT_PRETTIER_DIR.as_path(), &borrowed_packages)
8756 .await
8757 .context("fetching formatter packages")?;
8758 anyhow::Ok(())
8759}
8760
8761fn subscribe_for_copilot_events(
8762 copilot: &ModelHandle<Copilot>,
8763 cx: &mut ModelContext<'_, Project>,
8764) -> gpui::Subscription {
8765 cx.subscribe(
8766 copilot,
8767 |project, copilot, copilot_event, cx| match copilot_event {
8768 copilot::Event::CopilotLanguageServerStarted => {
8769 match copilot.read(cx).language_server() {
8770 Some((name, copilot_server)) => {
8771 // Another event wants to re-add the server that was already added and subscribed to, avoid doing it again.
8772 if !copilot_server.has_notification_handler::<copilot::request::LogMessage>() {
8773 let new_server_id = copilot_server.server_id();
8774 let weak_project = cx.weak_handle();
8775 let copilot_log_subscription = copilot_server
8776 .on_notification::<copilot::request::LogMessage, _>(
8777 move |params, mut cx| {
8778 if let Some(project) = weak_project.upgrade(&mut cx) {
8779 project.update(&mut cx, |_, cx| {
8780 cx.emit(Event::LanguageServerLog(
8781 new_server_id,
8782 params.message,
8783 ));
8784 })
8785 }
8786 },
8787 );
8788 project.supplementary_language_servers.insert(new_server_id, (name.clone(), Arc::clone(copilot_server)));
8789 project.copilot_log_subscription = Some(copilot_log_subscription);
8790 cx.emit(Event::LanguageServerAdded(new_server_id));
8791 }
8792 }
8793 None => debug_panic!("Received Copilot language server started event, but no language server is running"),
8794 }
8795 }
8796 },
8797 )
8798}
8799
8800fn glob_literal_prefix<'a>(glob: &'a str) -> &'a str {
8801 let mut literal_end = 0;
8802 for (i, part) in glob.split(path::MAIN_SEPARATOR).enumerate() {
8803 if part.contains(&['*', '?', '{', '}']) {
8804 break;
8805 } else {
8806 if i > 0 {
8807 // Acount for separator prior to this part
8808 literal_end += path::MAIN_SEPARATOR.len_utf8();
8809 }
8810 literal_end += part.len();
8811 }
8812 }
8813 &glob[..literal_end]
8814}
8815
8816impl WorktreeHandle {
8817 pub fn upgrade(&self, cx: &AppContext) -> Option<ModelHandle<Worktree>> {
8818 match self {
8819 WorktreeHandle::Strong(handle) => Some(handle.clone()),
8820 WorktreeHandle::Weak(handle) => handle.upgrade(cx),
8821 }
8822 }
8823
8824 pub fn handle_id(&self) -> usize {
8825 match self {
8826 WorktreeHandle::Strong(handle) => handle.id(),
8827 WorktreeHandle::Weak(handle) => handle.id(),
8828 }
8829 }
8830}
8831
8832impl OpenBuffer {
8833 pub fn upgrade(&self, cx: &impl BorrowAppContext) -> Option<ModelHandle<Buffer>> {
8834 match self {
8835 OpenBuffer::Strong(handle) => Some(handle.clone()),
8836 OpenBuffer::Weak(handle) => handle.upgrade(cx),
8837 OpenBuffer::Operations(_) => None,
8838 }
8839 }
8840}
8841
8842pub struct PathMatchCandidateSet {
8843 pub snapshot: Snapshot,
8844 pub include_ignored: bool,
8845 pub include_root_name: bool,
8846}
8847
8848impl<'a> fuzzy::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
8849 type Candidates = PathMatchCandidateSetIter<'a>;
8850
8851 fn id(&self) -> usize {
8852 self.snapshot.id().to_usize()
8853 }
8854
8855 fn len(&self) -> usize {
8856 if self.include_ignored {
8857 self.snapshot.file_count()
8858 } else {
8859 self.snapshot.visible_file_count()
8860 }
8861 }
8862
8863 fn prefix(&self) -> Arc<str> {
8864 if self.snapshot.root_entry().map_or(false, |e| e.is_file()) {
8865 self.snapshot.root_name().into()
8866 } else if self.include_root_name {
8867 format!("{}/", self.snapshot.root_name()).into()
8868 } else {
8869 "".into()
8870 }
8871 }
8872
8873 fn candidates(&'a self, start: usize) -> Self::Candidates {
8874 PathMatchCandidateSetIter {
8875 traversal: self.snapshot.files(self.include_ignored, start),
8876 }
8877 }
8878}
8879
8880pub struct PathMatchCandidateSetIter<'a> {
8881 traversal: Traversal<'a>,
8882}
8883
8884impl<'a> Iterator for PathMatchCandidateSetIter<'a> {
8885 type Item = fuzzy::PathMatchCandidate<'a>;
8886
8887 fn next(&mut self) -> Option<Self::Item> {
8888 self.traversal.next().map(|entry| {
8889 if let EntryKind::File(char_bag) = entry.kind {
8890 fuzzy::PathMatchCandidate {
8891 path: &entry.path,
8892 char_bag,
8893 }
8894 } else {
8895 unreachable!()
8896 }
8897 })
8898 }
8899}
8900
8901impl Entity for Project {
8902 type Event = Event;
8903
8904 fn release(&mut self, cx: &mut gpui::AppContext) {
8905 match &self.client_state {
8906 Some(ProjectClientState::Local { .. }) => {
8907 let _ = self.unshare_internal(cx);
8908 }
8909 Some(ProjectClientState::Remote { remote_id, .. }) => {
8910 let _ = self.client.send(proto::LeaveProject {
8911 project_id: *remote_id,
8912 });
8913 self.disconnected_from_host_internal(cx);
8914 }
8915 _ => {}
8916 }
8917 }
8918
8919 fn app_will_quit(
8920 &mut self,
8921 _: &mut AppContext,
8922 ) -> Option<std::pin::Pin<Box<dyn 'static + Future<Output = ()>>>> {
8923 let shutdown_futures = self
8924 .language_servers
8925 .drain()
8926 .map(|(_, server_state)| async {
8927 use LanguageServerState::*;
8928 match server_state {
8929 Running { server, .. } => server.shutdown()?.await,
8930 Starting(task) => task.await?.shutdown()?.await,
8931 }
8932 })
8933 .collect::<Vec<_>>();
8934
8935 Some(
8936 async move {
8937 futures::future::join_all(shutdown_futures).await;
8938 }
8939 .boxed(),
8940 )
8941 }
8942}
8943
8944impl<P: AsRef<Path>> From<(WorktreeId, P)> for ProjectPath {
8945 fn from((worktree_id, path): (WorktreeId, P)) -> Self {
8946 Self {
8947 worktree_id,
8948 path: path.as_ref().into(),
8949 }
8950 }
8951}
8952
8953impl ProjectLspAdapterDelegate {
8954 fn new(project: &Project, cx: &ModelContext<Project>) -> Arc<Self> {
8955 Arc::new(Self {
8956 project: cx.handle(),
8957 http_client: project.client.http_client(),
8958 })
8959 }
8960}
8961
8962impl LspAdapterDelegate for ProjectLspAdapterDelegate {
8963 fn show_notification(&self, message: &str, cx: &mut AppContext) {
8964 self.project
8965 .update(cx, |_, cx| cx.emit(Event::Notification(message.to_owned())));
8966 }
8967
8968 fn http_client(&self) -> Arc<dyn HttpClient> {
8969 self.http_client.clone()
8970 }
8971}
8972
8973fn serialize_symbol(symbol: &Symbol) -> proto::Symbol {
8974 proto::Symbol {
8975 language_server_name: symbol.language_server_name.0.to_string(),
8976 source_worktree_id: symbol.source_worktree_id.to_proto(),
8977 worktree_id: symbol.path.worktree_id.to_proto(),
8978 path: symbol.path.path.to_string_lossy().to_string(),
8979 name: symbol.name.clone(),
8980 kind: unsafe { mem::transmute(symbol.kind) },
8981 start: Some(proto::PointUtf16 {
8982 row: symbol.range.start.0.row,
8983 column: symbol.range.start.0.column,
8984 }),
8985 end: Some(proto::PointUtf16 {
8986 row: symbol.range.end.0.row,
8987 column: symbol.range.end.0.column,
8988 }),
8989 signature: symbol.signature.to_vec(),
8990 }
8991}
8992
8993fn relativize_path(base: &Path, path: &Path) -> PathBuf {
8994 let mut path_components = path.components();
8995 let mut base_components = base.components();
8996 let mut components: Vec<Component> = Vec::new();
8997 loop {
8998 match (path_components.next(), base_components.next()) {
8999 (None, None) => break,
9000 (Some(a), None) => {
9001 components.push(a);
9002 components.extend(path_components.by_ref());
9003 break;
9004 }
9005 (None, _) => components.push(Component::ParentDir),
9006 (Some(a), Some(b)) if components.is_empty() && a == b => (),
9007 (Some(a), Some(b)) if b == Component::CurDir => components.push(a),
9008 (Some(a), Some(_)) => {
9009 components.push(Component::ParentDir);
9010 for _ in base_components {
9011 components.push(Component::ParentDir);
9012 }
9013 components.push(a);
9014 components.extend(path_components.by_ref());
9015 break;
9016 }
9017 }
9018 }
9019 components.iter().map(|c| c.as_os_str()).collect()
9020}
9021
9022impl Item for Buffer {
9023 fn entry_id(&self, cx: &AppContext) -> Option<ProjectEntryId> {
9024 File::from_dyn(self.file()).and_then(|file| file.project_entry_id(cx))
9025 }
9026
9027 fn project_path(&self, cx: &AppContext) -> Option<ProjectPath> {
9028 File::from_dyn(self.file()).map(|file| ProjectPath {
9029 worktree_id: file.worktree_id(cx),
9030 path: file.path().clone(),
9031 })
9032 }
9033}
9034
9035async fn wait_for_loading_buffer(
9036 mut receiver: postage::watch::Receiver<Option<Result<ModelHandle<Buffer>, Arc<anyhow::Error>>>>,
9037) -> Result<ModelHandle<Buffer>, Arc<anyhow::Error>> {
9038 loop {
9039 if let Some(result) = receiver.borrow().as_ref() {
9040 match result {
9041 Ok(buffer) => return Ok(buffer.to_owned()),
9042 Err(e) => return Err(e.to_owned()),
9043 }
9044 }
9045 receiver.next().await;
9046 }
9047}
9048
9049fn include_text(server: &lsp::LanguageServer) -> bool {
9050 server
9051 .capabilities()
9052 .text_document_sync
9053 .as_ref()
9054 .and_then(|sync| match sync {
9055 lsp::TextDocumentSyncCapability::Kind(_) => None,
9056 lsp::TextDocumentSyncCapability::Options(options) => options.save.as_ref(),
9057 })
9058 .and_then(|save_options| match save_options {
9059 lsp::TextDocumentSyncSaveOptions::Supported(_) => None,
9060 lsp::TextDocumentSyncSaveOptions::SaveOptions(options) => options.include_text,
9061 })
9062 .unwrap_or(false)
9063}