lsp_log_view.rs

   1use collections::VecDeque;
   2use copilot::Copilot;
   3use editor::{Editor, EditorEvent, MultiBufferOffset, actions::MoveToEnd, scroll::Autoscroll};
   4use gpui::{
   5    App, Context, Corner, Entity, EventEmitter, FocusHandle, Focusable, IntoElement, ParentElement,
   6    Render, Styled, Subscription, Task, WeakEntity, Window, actions, div,
   7};
   8use itertools::Itertools as _;
   9use language::{LanguageServerId, language_settings::SoftWrap};
  10use lsp::{
  11    LanguageServer, LanguageServerName, LanguageServerSelector, MessageType, SetTraceParams,
  12    TraceValue, notification::SetTrace,
  13};
  14use project::{
  15    LanguageServerStatus, Project,
  16    lsp_store::log_store::{self, Event, LanguageServerKind, LogKind, LogStore, Message},
  17    search::SearchQuery,
  18};
  19use proto::toggle_lsp_logs::LogType;
  20use std::{any::TypeId, borrow::Cow, sync::Arc};
  21use ui::{Button, Checkbox, ContextMenu, Label, PopoverMenu, ToggleState, prelude::*};
  22use util::ResultExt as _;
  23use workspace::{
  24    SplitDirection, ToolbarItemEvent, ToolbarItemLocation, ToolbarItemView, Workspace, WorkspaceId,
  25    item::{Item, ItemHandle},
  26    searchable::{Direction, SearchEvent, SearchableItem, SearchableItemHandle},
  27};
  28
  29use crate::get_or_create_tool;
  30
  31pub fn open_server_trace(
  32    log_store: &Entity<LogStore>,
  33    workspace: WeakEntity<Workspace>,
  34    server: LanguageServerSelector,
  35    window: &mut Window,
  36    cx: &mut App,
  37) {
  38    log_store.update(cx, |_, cx| {
  39        cx.spawn_in(window, async move |log_store, cx| {
  40            let Some(log_store) = log_store.upgrade() else {
  41                return;
  42            };
  43            workspace
  44                .update_in(cx, |workspace, window, cx| {
  45                    let project = workspace.project().clone();
  46                    let tool_log_store = log_store.clone();
  47                    let log_view = get_or_create_tool(
  48                        workspace,
  49                        SplitDirection::Right,
  50                        window,
  51                        cx,
  52                        move |window, cx| LspLogView::new(project, tool_log_store, window, cx),
  53                    );
  54                    log_view.update(cx, |log_view, cx| {
  55                        let server_id = match server {
  56                            LanguageServerSelector::Id(id) => Some(id),
  57                            LanguageServerSelector::Name(name) => {
  58                                log_store.read(cx).language_servers.iter().find_map(
  59                                    |(id, state)| {
  60                                        if state.name.as_ref() == Some(&name) {
  61                                            Some(*id)
  62                                        } else {
  63                                            None
  64                                        }
  65                                    },
  66                                )
  67                            }
  68                        };
  69                        if let Some(server_id) = server_id {
  70                            log_view.show_rpc_trace_for_server(server_id, window, cx);
  71                        }
  72                    });
  73                })
  74                .ok();
  75        })
  76        .detach();
  77    })
  78}
  79
  80pub struct LspLogView {
  81    pub(crate) editor: Entity<Editor>,
  82    editor_subscriptions: Vec<Subscription>,
  83    log_store: Entity<LogStore>,
  84    current_server_id: Option<LanguageServerId>,
  85    active_entry_kind: LogKind,
  86    project: Entity<Project>,
  87    focus_handle: FocusHandle,
  88    _log_store_subscriptions: Vec<Subscription>,
  89}
  90
  91pub struct LspLogToolbarItemView {
  92    log_view: Option<Entity<LspLogView>>,
  93    _log_view_subscription: Option<Subscription>,
  94}
  95
  96#[derive(Clone, Debug, PartialEq)]
  97pub(crate) struct LogMenuItem {
  98    pub server_id: LanguageServerId,
  99    pub server_name: LanguageServerName,
 100    pub worktree_root_name: String,
 101    pub rpc_trace_enabled: bool,
 102    pub selected_entry: LogKind,
 103    pub trace_level: lsp::TraceValue,
 104    pub server_kind: LanguageServerKind,
 105}
 106
 107actions!(
 108    dev,
 109    [
 110        /// Opens the language server protocol logs viewer.
 111        OpenLanguageServerLogs
 112    ]
 113);
 114
 115pub fn init(on_headless_host: bool, cx: &mut App) {
 116    let log_store = log_store::init(on_headless_host, cx);
 117
 118    log_store.update(cx, |_, cx| {
 119        Copilot::global(cx).map(|copilot| {
 120            let copilot = &copilot;
 121            cx.subscribe(copilot, |log_store, copilot, edit_prediction_event, cx| {
 122                if let copilot::Event::CopilotLanguageServerStarted = edit_prediction_event
 123                    && let Some(server) = copilot.read(cx).language_server()
 124                {
 125                    let server_id = server.server_id();
 126                    let weak_lsp_store = cx.weak_entity();
 127                    log_store.copilot_log_subscription =
 128                        Some(server.on_notification::<copilot::request::LogMessage, _>(
 129                            move |params, cx| {
 130                                weak_lsp_store
 131                                    .update(cx, |lsp_store, cx| {
 132                                        lsp_store.add_language_server_log(
 133                                            server_id,
 134                                            MessageType::LOG,
 135                                            &params.message,
 136                                            cx,
 137                                        );
 138                                    })
 139                                    .ok();
 140                            },
 141                        ));
 142
 143                    let name = LanguageServerName::new_static("copilot");
 144                    log_store.add_language_server(
 145                        LanguageServerKind::Global,
 146                        server.server_id(),
 147                        Some(name),
 148                        None,
 149                        Some(server.clone()),
 150                        cx,
 151                    );
 152                }
 153            })
 154            .detach();
 155        })
 156    });
 157
 158    cx.observe_new(move |workspace: &mut Workspace, _, cx| {
 159        log_store.update(cx, |store, cx| {
 160            store.add_project(workspace.project(), cx);
 161        });
 162
 163        let log_store = log_store.clone();
 164        workspace.register_action(move |workspace, _: &OpenLanguageServerLogs, window, cx| {
 165            let log_store = log_store.clone();
 166            let project = workspace.project().clone();
 167            get_or_create_tool(
 168                workspace,
 169                SplitDirection::Right,
 170                window,
 171                cx,
 172                move |window, cx| LspLogView::new(project, log_store, window, cx),
 173            );
 174        });
 175    })
 176    .detach();
 177}
 178
 179impl LspLogView {
 180    pub fn new(
 181        project: Entity<Project>,
 182        log_store: Entity<LogStore>,
 183        window: &mut Window,
 184        cx: &mut Context<Self>,
 185    ) -> Self {
 186        let server_id = log_store
 187            .read(cx)
 188            .language_servers
 189            .iter()
 190            .find(|(_, server)| server.kind.project() == Some(&project.downgrade()))
 191            .map(|(id, _)| *id);
 192
 193        let weak_project = project.downgrade();
 194        let model_changes_subscription =
 195            cx.observe_in(&log_store, window, move |this, store, window, cx| {
 196                let first_server_id_for_project =
 197                    store.read(cx).server_ids_for_project(&weak_project).next();
 198                if let Some(current_lsp) = this.current_server_id {
 199                    if !store.read(cx).language_servers.contains_key(&current_lsp)
 200                        && let Some(server_id) = first_server_id_for_project
 201                    {
 202                        match this.active_entry_kind {
 203                            LogKind::Rpc => this.show_rpc_trace_for_server(server_id, window, cx),
 204                            LogKind::Trace => this.show_trace_for_server(server_id, window, cx),
 205                            LogKind::Logs => this.show_logs_for_server(server_id, window, cx),
 206                            LogKind::ServerInfo => this.show_server_info(server_id, window, cx),
 207                        }
 208                    }
 209                } else if let Some(server_id) = first_server_id_for_project {
 210                    match this.active_entry_kind {
 211                        LogKind::Rpc => this.show_rpc_trace_for_server(server_id, window, cx),
 212                        LogKind::Trace => this.show_trace_for_server(server_id, window, cx),
 213                        LogKind::Logs => this.show_logs_for_server(server_id, window, cx),
 214                        LogKind::ServerInfo => this.show_server_info(server_id, window, cx),
 215                    }
 216                }
 217
 218                cx.notify();
 219            });
 220
 221        let events_subscriptions = cx.subscribe_in(
 222            &log_store,
 223            window,
 224            move |log_view, _, e, window, cx| match e {
 225                Event::NewServerLogEntry { id, kind, text } => {
 226                    if log_view.current_server_id == Some(*id)
 227                        && LogKind::from_server_log_type(kind) == log_view.active_entry_kind
 228                    {
 229                        log_view.editor.update(cx, |editor, cx| {
 230                            editor.set_read_only(false);
 231                            let last_offset = editor.buffer().read(cx).len(cx);
 232                            let newest_cursor_is_at_end = editor
 233                                .selections
 234                                .newest::<MultiBufferOffset>(&editor.display_snapshot(cx))
 235                                .start
 236                                >= last_offset;
 237                            editor.edit(
 238                                vec![
 239                                    (last_offset..last_offset, text.as_str()),
 240                                    (last_offset..last_offset, "\n"),
 241                                ],
 242                                cx,
 243                            );
 244                            if text.len() > 1024 {
 245                                let b = editor.buffer().read(cx).as_singleton().unwrap().read(cx);
 246                                let fold_offset =
 247                                    b.as_rope().ceil_char_boundary(last_offset.0 + 1024);
 248                                editor.fold_ranges(
 249                                    vec![
 250                                        MultiBufferOffset(fold_offset)
 251                                            ..MultiBufferOffset(b.as_rope().len()),
 252                                    ],
 253                                    false,
 254                                    window,
 255                                    cx,
 256                                );
 257                            }
 258
 259                            if newest_cursor_is_at_end {
 260                                editor.request_autoscroll(Autoscroll::bottom(), cx);
 261                            }
 262                            editor.set_read_only(true);
 263                        });
 264                    }
 265                }
 266            },
 267        );
 268        let (editor, editor_subscriptions) = Self::editor_for_logs(String::new(), window, cx);
 269
 270        let focus_handle = cx.focus_handle();
 271        let focus_subscription = cx.on_focus(&focus_handle, window, |log_view, window, cx| {
 272            window.focus(&log_view.editor.focus_handle(cx));
 273        });
 274
 275        cx.on_release(|log_view, cx| {
 276            log_view.log_store.update(cx, |log_store, cx| {
 277                for (server_id, state) in &log_store.language_servers {
 278                    if let Some(log_kind) = state.toggled_log_kind {
 279                        if let Some(log_type) = log_type(log_kind) {
 280                            send_toggle_log_message(state, *server_id, false, log_type, cx);
 281                        }
 282                    }
 283                }
 284            });
 285        })
 286        .detach();
 287
 288        let mut lsp_log_view = Self {
 289            focus_handle,
 290            editor,
 291            editor_subscriptions,
 292            project,
 293            log_store,
 294            current_server_id: None,
 295            active_entry_kind: LogKind::Logs,
 296            _log_store_subscriptions: vec![
 297                model_changes_subscription,
 298                events_subscriptions,
 299                focus_subscription,
 300            ],
 301        };
 302        if let Some(server_id) = server_id {
 303            lsp_log_view.show_logs_for_server(server_id, window, cx);
 304        }
 305        lsp_log_view
 306    }
 307
 308    fn editor_for_logs(
 309        log_contents: String,
 310        window: &mut Window,
 311        cx: &mut Context<Self>,
 312    ) -> (Entity<Editor>, Vec<Subscription>) {
 313        let editor = initialize_new_editor(log_contents, true, window, cx);
 314        let editor_subscription = cx.subscribe(
 315            &editor,
 316            |_, _, event: &EditorEvent, cx: &mut Context<LspLogView>| cx.emit(event.clone()),
 317        );
 318        let search_subscription = cx.subscribe(
 319            &editor,
 320            |_, _, event: &SearchEvent, cx: &mut Context<LspLogView>| cx.emit(event.clone()),
 321        );
 322        (editor, vec![editor_subscription, search_subscription])
 323    }
 324
 325    fn editor_for_server_info(
 326        info: ServerInfo,
 327        window: &mut Window,
 328        cx: &mut Context<Self>,
 329    ) -> (Entity<Editor>, Vec<Subscription>) {
 330        let server_info = format!(
 331            "* Server: {NAME} (id {ID})
 332
 333* Binary: {BINARY}
 334
 335* Registered workspace folders:
 336{WORKSPACE_FOLDERS}
 337
 338* Capabilities: {CAPABILITIES}
 339
 340* Configuration: {CONFIGURATION}",
 341            NAME = info.status.name,
 342            ID = info.id,
 343            BINARY = info
 344                .status
 345                .binary
 346                .as_ref()
 347                .map_or_else(|| "Unknown".to_string(), |binary| format!("{:#?}", binary)),
 348            WORKSPACE_FOLDERS = info
 349                .status
 350                .workspace_folders
 351                .iter()
 352                .filter_map(|uri| uri.to_file_path().ok())
 353                .map(|path| path.to_string_lossy().into_owned())
 354                .join(", "),
 355            CAPABILITIES = serde_json::to_string_pretty(&info.capabilities)
 356                .unwrap_or_else(|e| format!("Failed to serialize capabilities: {e}")),
 357            CONFIGURATION = info
 358                .status
 359                .configuration
 360                .map(|configuration| serde_json::to_string_pretty(&configuration))
 361                .transpose()
 362                .unwrap_or_else(|e| Some(format!("Failed to serialize configuration: {e}")))
 363                .unwrap_or_else(|| "Unknown".to_string()),
 364        );
 365        let editor = initialize_new_editor(server_info, false, window, cx);
 366        let editor_subscription = cx.subscribe(
 367            &editor,
 368            |_, _, event: &EditorEvent, cx: &mut Context<LspLogView>| cx.emit(event.clone()),
 369        );
 370        let search_subscription = cx.subscribe(
 371            &editor,
 372            |_, _, event: &SearchEvent, cx: &mut Context<LspLogView>| cx.emit(event.clone()),
 373        );
 374        (editor, vec![editor_subscription, search_subscription])
 375    }
 376
 377    pub(crate) fn menu_items<'a>(&'a self, cx: &'a App) -> Option<Vec<LogMenuItem>> {
 378        let log_store = self.log_store.read(cx);
 379
 380        let unknown_server = LanguageServerName::new_static("unknown server");
 381
 382        let mut rows = log_store
 383            .language_servers
 384            .iter()
 385            .map(|(server_id, state)| match &state.kind {
 386                LanguageServerKind::Local { .. }
 387                | LanguageServerKind::Remote { .. }
 388                | LanguageServerKind::LocalSsh { .. } => {
 389                    let worktree_root_name = state
 390                        .worktree_id
 391                        .and_then(|id| self.project.read(cx).worktree_for_id(id, cx))
 392                        .map(|worktree| worktree.read(cx).root_name_str().to_string())
 393                        .unwrap_or_else(|| "Unknown worktree".to_string());
 394
 395                    LogMenuItem {
 396                        server_id: *server_id,
 397                        server_name: state.name.clone().unwrap_or(unknown_server.clone()),
 398                        server_kind: state.kind.clone(),
 399                        worktree_root_name,
 400                        rpc_trace_enabled: state.rpc_state.is_some(),
 401                        selected_entry: self.active_entry_kind,
 402                        trace_level: lsp::TraceValue::Off,
 403                    }
 404                }
 405
 406                LanguageServerKind::Global => LogMenuItem {
 407                    server_id: *server_id,
 408                    server_name: state.name.clone().unwrap_or(unknown_server.clone()),
 409                    server_kind: state.kind.clone(),
 410                    worktree_root_name: "supplementary".to_string(),
 411                    rpc_trace_enabled: state.rpc_state.is_some(),
 412                    selected_entry: self.active_entry_kind,
 413                    trace_level: lsp::TraceValue::Off,
 414                },
 415            })
 416            .chain(
 417                self.project
 418                    .read(cx)
 419                    .supplementary_language_servers(cx)
 420                    .filter_map(|(server_id, name)| {
 421                        let state = log_store.language_servers.get(&server_id)?;
 422                        Some(LogMenuItem {
 423                            server_id,
 424                            server_name: name,
 425                            server_kind: state.kind.clone(),
 426                            worktree_root_name: "supplementary".to_string(),
 427                            rpc_trace_enabled: state.rpc_state.is_some(),
 428                            selected_entry: self.active_entry_kind,
 429                            trace_level: lsp::TraceValue::Off,
 430                        })
 431                    }),
 432            )
 433            .collect::<Vec<_>>();
 434        rows.sort_by_key(|row| row.server_id);
 435        rows.dedup_by_key(|row| row.server_id);
 436        Some(rows)
 437    }
 438
 439    fn show_logs_for_server(
 440        &mut self,
 441        server_id: LanguageServerId,
 442        window: &mut Window,
 443        cx: &mut Context<Self>,
 444    ) {
 445        let typ = self
 446            .log_store
 447            .read(cx)
 448            .language_servers
 449            .get(&server_id)
 450            .map(|v| v.log_level)
 451            .unwrap_or(MessageType::LOG);
 452        let log_contents = self
 453            .log_store
 454            .read(cx)
 455            .server_logs(server_id)
 456            .map(|v| log_contents(v, typ));
 457        if let Some(log_contents) = log_contents {
 458            self.current_server_id = Some(server_id);
 459            self.active_entry_kind = LogKind::Logs;
 460            let (editor, editor_subscriptions) = Self::editor_for_logs(log_contents, window, cx);
 461            self.editor = editor;
 462            self.editor_subscriptions = editor_subscriptions;
 463            cx.notify();
 464        }
 465        self.editor.read(cx).focus_handle(cx).focus(window);
 466        self.log_store.update(cx, |log_store, cx| {
 467            let state = log_store.get_language_server_state(server_id)?;
 468            state.toggled_log_kind = Some(LogKind::Logs);
 469            send_toggle_log_message(state, server_id, true, LogType::Log, cx);
 470            Some(())
 471        });
 472    }
 473
 474    fn update_log_level(
 475        &self,
 476        server_id: LanguageServerId,
 477        level: MessageType,
 478        window: &mut Window,
 479        cx: &mut Context<Self>,
 480    ) {
 481        let log_contents = self.log_store.update(cx, |this, _| {
 482            if let Some(state) = this.get_language_server_state(server_id) {
 483                state.log_level = level;
 484            }
 485
 486            this.server_logs(server_id).map(|v| log_contents(v, level))
 487        });
 488
 489        if let Some(log_contents) = log_contents {
 490            self.editor.update(cx, |editor, cx| {
 491                editor.set_text(log_contents, window, cx);
 492                editor.move_to_end(&MoveToEnd, window, cx);
 493            });
 494            cx.notify();
 495        }
 496
 497        self.editor.read(cx).focus_handle(cx).focus(window);
 498    }
 499
 500    fn show_trace_for_server(
 501        &mut self,
 502        server_id: LanguageServerId,
 503        window: &mut Window,
 504        cx: &mut Context<Self>,
 505    ) {
 506        let trace_level = self
 507            .log_store
 508            .update(cx, |log_store, _| {
 509                Some(log_store.get_language_server_state(server_id)?.trace_level)
 510            })
 511            .unwrap_or(TraceValue::Messages);
 512        let log_contents = self
 513            .log_store
 514            .read(cx)
 515            .server_trace(server_id)
 516            .map(|v| log_contents(v, trace_level));
 517        if let Some(log_contents) = log_contents {
 518            self.current_server_id = Some(server_id);
 519            self.active_entry_kind = LogKind::Trace;
 520            let (editor, editor_subscriptions) = Self::editor_for_logs(log_contents, window, cx);
 521            self.editor = editor;
 522            self.editor_subscriptions = editor_subscriptions;
 523            self.log_store.update(cx, |log_store, cx| {
 524                let state = log_store.get_language_server_state(server_id)?;
 525                state.toggled_log_kind = Some(LogKind::Trace);
 526                send_toggle_log_message(state, server_id, true, LogType::Trace, cx);
 527                Some(())
 528            });
 529            cx.notify();
 530        }
 531        self.editor.read(cx).focus_handle(cx).focus(window);
 532    }
 533
 534    fn show_rpc_trace_for_server(
 535        &mut self,
 536        server_id: LanguageServerId,
 537        window: &mut Window,
 538        cx: &mut Context<Self>,
 539    ) {
 540        self.toggle_rpc_trace_for_server(server_id, true, window, cx);
 541        let rpc_log = self.log_store.update(cx, |log_store, _| {
 542            log_store
 543                .enable_rpc_trace_for_language_server(server_id)
 544                .map(|state| log_contents(&state.rpc_messages, ()))
 545        });
 546        if let Some(rpc_log) = rpc_log {
 547            self.current_server_id = Some(server_id);
 548            self.active_entry_kind = LogKind::Rpc;
 549            let (editor, editor_subscriptions) = Self::editor_for_logs(rpc_log, window, cx);
 550            let language = self.project.read(cx).languages().language_for_name("JSON");
 551            editor
 552                .read(cx)
 553                .buffer()
 554                .read(cx)
 555                .as_singleton()
 556                .expect("log buffer should be a singleton")
 557                .update(cx, |_, cx| {
 558                    cx.spawn({
 559                        let buffer = cx.entity();
 560                        async move |_, cx| {
 561                            let language = language.await.ok();
 562                            buffer.update(cx, |buffer, cx| {
 563                                buffer.set_language(language, cx);
 564                            })
 565                        }
 566                    })
 567                    .detach_and_log_err(cx);
 568                });
 569
 570            self.editor = editor;
 571            self.editor_subscriptions = editor_subscriptions;
 572            cx.notify();
 573        }
 574
 575        self.editor.read(cx).focus_handle(cx).focus(window);
 576    }
 577
 578    fn toggle_rpc_trace_for_server(
 579        &mut self,
 580        server_id: LanguageServerId,
 581        enabled: bool,
 582        window: &mut Window,
 583        cx: &mut Context<Self>,
 584    ) {
 585        self.log_store.update(cx, |log_store, cx| {
 586            if enabled {
 587                log_store.enable_rpc_trace_for_language_server(server_id);
 588            } else {
 589                log_store.disable_rpc_trace_for_language_server(server_id);
 590            }
 591
 592            if let Some(server_state) = log_store.language_servers.get(&server_id) {
 593                send_toggle_log_message(server_state, server_id, enabled, LogType::Rpc, cx);
 594            };
 595        });
 596        if !enabled && Some(server_id) == self.current_server_id {
 597            self.show_logs_for_server(server_id, window, cx);
 598            cx.notify();
 599        }
 600    }
 601
 602    fn update_trace_level(
 603        &self,
 604        server_id: LanguageServerId,
 605        level: TraceValue,
 606        cx: &mut Context<Self>,
 607    ) {
 608        if let Some(server) = self
 609            .project
 610            .read(cx)
 611            .lsp_store()
 612            .read(cx)
 613            .language_server_for_id(server_id)
 614        {
 615            self.log_store.update(cx, |this, _| {
 616                if let Some(state) = this.get_language_server_state(server_id) {
 617                    state.trace_level = level;
 618                }
 619            });
 620
 621            server
 622                .notify::<SetTrace>(SetTraceParams { value: level })
 623                .ok();
 624        }
 625    }
 626
 627    fn show_server_info(
 628        &mut self,
 629        server_id: LanguageServerId,
 630        window: &mut Window,
 631        cx: &mut Context<Self>,
 632    ) {
 633        let Some(server_info) = self
 634            .project
 635            .read(cx)
 636            .lsp_store()
 637            .update(cx, |lsp_store, _| {
 638                lsp_store
 639                    .language_server_for_id(server_id)
 640                    .as_ref()
 641                    .map(|language_server| ServerInfo::new(language_server))
 642                    .or_else(move || {
 643                        let capabilities =
 644                            lsp_store.lsp_server_capabilities.get(&server_id)?.clone();
 645                        let status = lsp_store.language_server_statuses.get(&server_id)?.clone();
 646
 647                        Some(ServerInfo {
 648                            id: server_id,
 649                            capabilities,
 650                            status,
 651                        })
 652                    })
 653            })
 654        else {
 655            return;
 656        };
 657        self.current_server_id = Some(server_id);
 658        self.active_entry_kind = LogKind::ServerInfo;
 659        let (editor, editor_subscriptions) = Self::editor_for_server_info(server_info, window, cx);
 660        self.editor = editor;
 661        self.editor_subscriptions = editor_subscriptions;
 662        cx.notify();
 663        self.editor.read(cx).focus_handle(cx).focus(window);
 664        self.log_store.update(cx, |log_store, cx| {
 665            let state = log_store.get_language_server_state(server_id)?;
 666            if let Some(log_kind) = state.toggled_log_kind.take() {
 667                if let Some(log_type) = log_type(log_kind) {
 668                    send_toggle_log_message(state, server_id, false, log_type, cx);
 669                }
 670            };
 671            Some(())
 672        });
 673    }
 674}
 675
 676fn log_type(log_kind: LogKind) -> Option<LogType> {
 677    match log_kind {
 678        LogKind::Rpc => Some(LogType::Rpc),
 679        LogKind::Trace => Some(LogType::Trace),
 680        LogKind::Logs => Some(LogType::Log),
 681        LogKind::ServerInfo => None,
 682    }
 683}
 684
 685fn send_toggle_log_message(
 686    server_state: &log_store::LanguageServerState,
 687    server_id: LanguageServerId,
 688    enabled: bool,
 689    log_type: LogType,
 690    cx: &mut App,
 691) {
 692    if let LanguageServerKind::Remote { project } = &server_state.kind {
 693        project
 694            .update(cx, |project, cx| {
 695                if let Some((client, project_id)) = project.lsp_store().read(cx).upstream_client() {
 696                    client
 697                        .send(proto::ToggleLspLogs {
 698                            project_id,
 699                            log_type: log_type as i32,
 700                            server_id: server_id.to_proto(),
 701                            enabled,
 702                        })
 703                        .log_err();
 704                }
 705            })
 706            .ok();
 707    }
 708}
 709
 710fn log_contents<T: Message>(lines: &VecDeque<T>, level: <T as Message>::Level) -> String {
 711    lines
 712        .iter()
 713        .filter(|message| message.should_include(level))
 714        .flat_map(|message| [message.as_ref(), "\n"])
 715        .collect()
 716}
 717
 718impl Render for LspLogView {
 719    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
 720        self.editor.update(cx, |editor, cx| {
 721            editor.render(window, cx).into_any_element()
 722        })
 723    }
 724}
 725
 726impl Focusable for LspLogView {
 727    fn focus_handle(&self, _: &App) -> FocusHandle {
 728        self.focus_handle.clone()
 729    }
 730}
 731
 732impl Item for LspLogView {
 733    type Event = EditorEvent;
 734
 735    fn to_item_events(event: &Self::Event, f: impl FnMut(workspace::item::ItemEvent)) {
 736        Editor::to_item_events(event, f)
 737    }
 738
 739    fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
 740        "LSP Logs".into()
 741    }
 742
 743    fn telemetry_event_text(&self) -> Option<&'static str> {
 744        None
 745    }
 746
 747    fn as_searchable(
 748        &self,
 749        handle: &Entity<Self>,
 750        _: &App,
 751    ) -> Option<Box<dyn SearchableItemHandle>> {
 752        Some(Box::new(handle.clone()))
 753    }
 754
 755    fn act_as_type<'a>(
 756        &'a self,
 757        type_id: TypeId,
 758        self_handle: &'a Entity<Self>,
 759        _: &'a App,
 760    ) -> Option<gpui::AnyEntity> {
 761        if type_id == TypeId::of::<Self>() {
 762            Some(self_handle.clone().into())
 763        } else if type_id == TypeId::of::<Editor>() {
 764            Some(self.editor.clone().into())
 765        } else {
 766            None
 767        }
 768    }
 769
 770    fn can_split(&self) -> bool {
 771        true
 772    }
 773
 774    fn clone_on_split(
 775        &self,
 776        _workspace_id: Option<WorkspaceId>,
 777        window: &mut Window,
 778        cx: &mut Context<Self>,
 779    ) -> Task<Option<Entity<Self>>>
 780    where
 781        Self: Sized,
 782    {
 783        Task::ready(Some(cx.new(|cx| {
 784            let mut new_view = Self::new(self.project.clone(), self.log_store.clone(), window, cx);
 785            if let Some(server_id) = self.current_server_id {
 786                match self.active_entry_kind {
 787                    LogKind::Rpc => new_view.show_rpc_trace_for_server(server_id, window, cx),
 788                    LogKind::Trace => new_view.show_trace_for_server(server_id, window, cx),
 789                    LogKind::Logs => new_view.show_logs_for_server(server_id, window, cx),
 790                    LogKind::ServerInfo => new_view.show_server_info(server_id, window, cx),
 791                }
 792            }
 793            new_view
 794        })))
 795    }
 796}
 797
 798impl SearchableItem for LspLogView {
 799    type Match = <Editor as SearchableItem>::Match;
 800
 801    fn clear_matches(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 802        self.editor.update(cx, |e, cx| e.clear_matches(window, cx))
 803    }
 804
 805    fn update_matches(
 806        &mut self,
 807        matches: &[Self::Match],
 808        active_match_index: Option<usize>,
 809        window: &mut Window,
 810        cx: &mut Context<Self>,
 811    ) {
 812        self.editor.update(cx, |e, cx| {
 813            e.update_matches(matches, active_match_index, window, cx)
 814        })
 815    }
 816
 817    fn query_suggestion(&mut self, window: &mut Window, cx: &mut Context<Self>) -> String {
 818        self.editor
 819            .update(cx, |e, cx| e.query_suggestion(window, cx))
 820    }
 821
 822    fn activate_match(
 823        &mut self,
 824        index: usize,
 825        matches: &[Self::Match],
 826        window: &mut Window,
 827        cx: &mut Context<Self>,
 828    ) {
 829        self.editor
 830            .update(cx, |e, cx| e.activate_match(index, matches, window, cx))
 831    }
 832
 833    fn select_matches(
 834        &mut self,
 835        matches: &[Self::Match],
 836        window: &mut Window,
 837        cx: &mut Context<Self>,
 838    ) {
 839        self.editor
 840            .update(cx, |e, cx| e.select_matches(matches, window, cx))
 841    }
 842
 843    fn find_matches(
 844        &mut self,
 845        query: Arc<project::search::SearchQuery>,
 846        window: &mut Window,
 847        cx: &mut Context<Self>,
 848    ) -> gpui::Task<Vec<Self::Match>> {
 849        self.editor
 850            .update(cx, |e, cx| e.find_matches(query, window, cx))
 851    }
 852
 853    fn replace(
 854        &mut self,
 855        _: &Self::Match,
 856        _: &SearchQuery,
 857        _window: &mut Window,
 858        _: &mut Context<Self>,
 859    ) {
 860        // Since LSP Log is read-only, it doesn't make sense to support replace operation.
 861    }
 862    fn supported_options(&self) -> workspace::searchable::SearchOptions {
 863        workspace::searchable::SearchOptions {
 864            case: true,
 865            word: true,
 866            regex: true,
 867            find_in_results: false,
 868            // LSP log is read-only.
 869            replacement: false,
 870            selection: false,
 871        }
 872    }
 873    fn active_match_index(
 874        &mut self,
 875        direction: Direction,
 876        matches: &[Self::Match],
 877        window: &mut Window,
 878        cx: &mut Context<Self>,
 879    ) -> Option<usize> {
 880        self.editor.update(cx, |e, cx| {
 881            e.active_match_index(direction, matches, window, cx)
 882        })
 883    }
 884}
 885
 886impl EventEmitter<ToolbarItemEvent> for LspLogToolbarItemView {}
 887
 888impl ToolbarItemView for LspLogToolbarItemView {
 889    fn set_active_pane_item(
 890        &mut self,
 891        active_pane_item: Option<&dyn ItemHandle>,
 892        _: &mut Window,
 893        cx: &mut Context<Self>,
 894    ) -> workspace::ToolbarItemLocation {
 895        if let Some(item) = active_pane_item
 896            && let Some(log_view) = item.downcast::<LspLogView>()
 897        {
 898            self.log_view = Some(log_view.clone());
 899            self._log_view_subscription = Some(cx.observe(&log_view, |_, _, cx| {
 900                cx.notify();
 901            }));
 902            return ToolbarItemLocation::PrimaryLeft;
 903        }
 904        self.log_view = None;
 905        self._log_view_subscription = None;
 906        ToolbarItemLocation::Hidden
 907    }
 908}
 909
 910impl Render for LspLogToolbarItemView {
 911    fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
 912        let Some(log_view) = self.log_view.clone() else {
 913            return div();
 914        };
 915
 916        let (menu_rows, current_server_id) = log_view.update(cx, |log_view, cx| {
 917            let menu_rows = log_view.menu_items(cx).unwrap_or_default();
 918            let current_server_id = log_view.current_server_id;
 919            (menu_rows, current_server_id)
 920        });
 921
 922        let current_server = current_server_id.and_then(|current_server_id| {
 923            if let Ok(ix) = menu_rows.binary_search_by_key(&current_server_id, |e| e.server_id) {
 924                Some(menu_rows[ix].clone())
 925            } else {
 926                None
 927            }
 928        });
 929
 930        let available_language_servers: Vec<_> = menu_rows
 931            .into_iter()
 932            .map(|row| {
 933                (
 934                    row.server_id,
 935                    row.server_name,
 936                    row.worktree_root_name,
 937                    row.selected_entry,
 938                )
 939            })
 940            .collect();
 941
 942        let log_toolbar_view = cx.weak_entity();
 943
 944        let lsp_menu = PopoverMenu::new("LspLogView")
 945            .anchor(Corner::TopLeft)
 946            .trigger(
 947                Button::new(
 948                    "language_server_menu_header",
 949                    current_server
 950                        .as_ref()
 951                        .map(|row| {
 952                            Cow::Owned(format!(
 953                                "{} ({})",
 954                                row.server_name.0, row.worktree_root_name,
 955                            ))
 956                        })
 957                        .unwrap_or_else(|| "No server selected".into()),
 958                )
 959                .icon(IconName::ChevronDown)
 960                .icon_size(IconSize::Small)
 961                .icon_color(Color::Muted),
 962            )
 963            .menu({
 964                let log_view = log_view.clone();
 965                move |window, cx| {
 966                    let log_view = log_view.clone();
 967                    ContextMenu::build(window, cx, |mut menu, window, _| {
 968                        for (server_id, name, worktree_root, active_entry_kind) in
 969                            available_language_servers.iter()
 970                        {
 971                            let label = format!("{name} ({worktree_root})");
 972                            let server_id = *server_id;
 973                            let active_entry_kind = *active_entry_kind;
 974                            menu = menu.entry(
 975                                label,
 976                                None,
 977                                window.handler_for(&log_view, move |view, window, cx| {
 978                                    view.current_server_id = Some(server_id);
 979                                    view.active_entry_kind = active_entry_kind;
 980                                    match view.active_entry_kind {
 981                                        LogKind::Rpc => {
 982                                            view.toggle_rpc_trace_for_server(
 983                                                server_id, true, window, cx,
 984                                            );
 985                                            view.show_rpc_trace_for_server(server_id, window, cx);
 986                                        }
 987                                        LogKind::Trace => {
 988                                            view.show_trace_for_server(server_id, window, cx)
 989                                        }
 990                                        LogKind::Logs => {
 991                                            view.show_logs_for_server(server_id, window, cx)
 992                                        }
 993                                        LogKind::ServerInfo => {
 994                                            view.show_server_info(server_id, window, cx)
 995                                        }
 996                                    }
 997                                    cx.notify();
 998                                }),
 999                            );
1000                        }
1001                        menu
1002                    })
1003                    .into()
1004                }
1005            });
1006
1007        let view_selector = current_server.map(|server| {
1008            let server_id = server.server_id;
1009            let rpc_trace_enabled = server.rpc_trace_enabled;
1010            let log_view = log_view.clone();
1011            let label = match server.selected_entry {
1012                LogKind::Rpc => RPC_MESSAGES,
1013                LogKind::Trace => SERVER_TRACE,
1014                LogKind::Logs => SERVER_LOGS,
1015                LogKind::ServerInfo => SERVER_INFO,
1016            };
1017            PopoverMenu::new("LspViewSelector")
1018                .anchor(Corner::TopLeft)
1019                .trigger(
1020                    Button::new("language_server_menu_header", label)
1021                        .icon(IconName::ChevronDown)
1022                        .icon_size(IconSize::Small)
1023                        .icon_color(Color::Muted),
1024                )
1025                .menu(move |window, cx| {
1026                    let log_toolbar_view = log_toolbar_view.upgrade()?;
1027                    let log_view = log_view.clone();
1028                    Some(ContextMenu::build(window, cx, move |this, window, _| {
1029                        this.entry(
1030                            SERVER_LOGS,
1031                            None,
1032                            window.handler_for(&log_view, move |view, window, cx| {
1033                                view.show_logs_for_server(server_id, window, cx);
1034                            }),
1035                        )
1036                        .entry(
1037                            SERVER_TRACE,
1038                            None,
1039                            window.handler_for(&log_view, move |view, window, cx| {
1040                                view.show_trace_for_server(server_id, window, cx);
1041                            }),
1042                        )
1043                        .custom_entry(
1044                            {
1045                                let log_toolbar_view = log_toolbar_view.clone();
1046                                move |window, _| {
1047                                    h_flex()
1048                                        .w_full()
1049                                        .justify_between()
1050                                        .child(Label::new(RPC_MESSAGES))
1051                                        .child(
1052                                            div().child(
1053                                                Checkbox::new(
1054                                                    "LspLogEnableRpcTrace",
1055                                                    if rpc_trace_enabled {
1056                                                        ToggleState::Selected
1057                                                    } else {
1058                                                        ToggleState::Unselected
1059                                                    },
1060                                                )
1061                                                .on_click(window.listener_for(
1062                                                    &log_toolbar_view,
1063                                                    move |view, selection, window, cx| {
1064                                                        let enabled = matches!(
1065                                                            selection,
1066                                                            ToggleState::Selected
1067                                                        );
1068                                                        view.toggle_rpc_logging_for_server(
1069                                                            server_id, enabled, window, cx,
1070                                                        );
1071                                                        cx.stop_propagation();
1072                                                    },
1073                                                )),
1074                                            ),
1075                                        )
1076                                        .into_any_element()
1077                                }
1078                            },
1079                            window.handler_for(&log_view, move |view, window, cx| {
1080                                view.show_rpc_trace_for_server(server_id, window, cx);
1081                            }),
1082                        )
1083                        .entry(
1084                            SERVER_INFO,
1085                            None,
1086                            window.handler_for(&log_view, move |view, window, cx| {
1087                                view.show_server_info(server_id, window, cx);
1088                            }),
1089                        )
1090                    }))
1091                })
1092        });
1093
1094        h_flex()
1095            .size_full()
1096            .gap_1()
1097            .justify_between()
1098            .child(
1099                h_flex()
1100                    .gap_0p5()
1101                    .child(lsp_menu)
1102                    .children(view_selector)
1103                    .child(
1104                        log_view.update(cx, |this, _cx| match this.active_entry_kind {
1105                            LogKind::Trace => {
1106                                let log_view = log_view.clone();
1107                                div().child(
1108                                    PopoverMenu::new("lsp-trace-level-menu")
1109                                        .anchor(Corner::TopLeft)
1110                                        .trigger(
1111                                            Button::new(
1112                                                "language_server_trace_level_selector",
1113                                                "Trace level",
1114                                            )
1115                                            .icon(IconName::ChevronDown)
1116                                            .icon_size(IconSize::Small)
1117                                            .icon_color(Color::Muted),
1118                                        )
1119                                        .menu({
1120                                            let log_view = log_view;
1121
1122                                            move |window, cx| {
1123                                                let id = log_view.read(cx).current_server_id?;
1124
1125                                                let trace_level =
1126                                                    log_view.update(cx, |this, cx| {
1127                                                        this.log_store.update(cx, |this, _| {
1128                                                            Some(
1129                                                                this.get_language_server_state(id)?
1130                                                                    .trace_level,
1131                                                            )
1132                                                        })
1133                                                    })?;
1134
1135                                                ContextMenu::build(
1136                                                    window,
1137                                                    cx,
1138                                                    |mut menu, window, cx| {
1139                                                        let log_view = log_view.clone();
1140
1141                                                        for (option, label) in [
1142                                                            (TraceValue::Off, "Off"),
1143                                                            (TraceValue::Messages, "Messages"),
1144                                                            (TraceValue::Verbose, "Verbose"),
1145                                                        ] {
1146                                                            menu = menu.entry(label, None, {
1147                                                                let log_view = log_view.clone();
1148                                                                move |_, cx| {
1149                                                                    log_view.update(cx, |this, cx| {
1150                                                                    if let Some(id) =
1151                                                                        this.current_server_id
1152                                                                    {
1153                                                                        this.update_trace_level(
1154                                                                            id, option, cx,
1155                                                                        );
1156                                                                    }
1157                                                                });
1158                                                                }
1159                                                            });
1160                                                            if option == trace_level {
1161                                                                menu.select_last(window, cx);
1162                                                            }
1163                                                        }
1164
1165                                                        menu
1166                                                    },
1167                                                )
1168                                                .into()
1169                                            }
1170                                        }),
1171                                )
1172                            }
1173                            LogKind::Logs => {
1174                                let log_view = log_view.clone();
1175                                div().child(
1176                                    PopoverMenu::new("lsp-log-level-menu")
1177                                        .anchor(Corner::TopLeft)
1178                                        .trigger(
1179                                            Button::new(
1180                                                "language_server_log_level_selector",
1181                                                "Log level",
1182                                            )
1183                                            .icon(IconName::ChevronDown)
1184                                            .icon_size(IconSize::Small)
1185                                            .icon_color(Color::Muted),
1186                                        )
1187                                        .menu({
1188                                            let log_view = log_view;
1189
1190                                            move |window, cx| {
1191                                                let id = log_view.read(cx).current_server_id?;
1192
1193                                                let log_level =
1194                                                    log_view.update(cx, |this, cx| {
1195                                                        this.log_store.update(cx, |this, _| {
1196                                                            Some(
1197                                                                this.get_language_server_state(id)?
1198                                                                    .log_level,
1199                                                            )
1200                                                        })
1201                                                    })?;
1202
1203                                                ContextMenu::build(
1204                                                    window,
1205                                                    cx,
1206                                                    |mut menu, window, cx| {
1207                                                        let log_view = log_view.clone();
1208
1209                                                        for (option, label) in [
1210                                                            (MessageType::LOG, "Log"),
1211                                                            (MessageType::INFO, "Info"),
1212                                                            (MessageType::WARNING, "Warning"),
1213                                                            (MessageType::ERROR, "Error"),
1214                                                        ] {
1215                                                            menu = menu.entry(label, None, {
1216                                                                let log_view = log_view.clone();
1217                                                                move |window, cx| {
1218                                                                    log_view.update(cx, |this, cx| {
1219                                                                    if let Some(id) =
1220                                                                        this.current_server_id
1221                                                                    {
1222                                                                        this.update_log_level(
1223                                                                            id, option, window, cx,
1224                                                                        );
1225                                                                    }
1226                                                                });
1227                                                                }
1228                                                            });
1229                                                            if option == log_level {
1230                                                                menu.select_last(window, cx);
1231                                                            }
1232                                                        }
1233
1234                                                        menu
1235                                                    },
1236                                                )
1237                                                .into()
1238                                            }
1239                                        }),
1240                                )
1241                            }
1242                            _ => div(),
1243                        }),
1244                    ),
1245            )
1246            .child(
1247                Button::new("clear_log_button", "Clear").on_click(cx.listener(
1248                    |this, _, window, cx| {
1249                        if let Some(log_view) = this.log_view.as_ref() {
1250                            log_view.update(cx, |log_view, cx| {
1251                                log_view.editor.update(cx, |editor, cx| {
1252                                    editor.set_read_only(false);
1253                                    editor.clear(window, cx);
1254                                    editor.set_read_only(true);
1255                                });
1256                            })
1257                        }
1258                    },
1259                )),
1260            )
1261    }
1262}
1263
1264fn initialize_new_editor(
1265    content: String,
1266    move_to_end: bool,
1267    window: &mut Window,
1268    cx: &mut App,
1269) -> Entity<Editor> {
1270    cx.new(|cx| {
1271        let mut editor = Editor::multi_line(window, cx);
1272        editor.hide_minimap_by_default(window, cx);
1273        editor.set_text(content, window, cx);
1274        editor.set_show_git_diff_gutter(false, cx);
1275        editor.set_show_runnables(false, cx);
1276        editor.set_show_breakpoints(false, cx);
1277        editor.set_read_only(true);
1278        editor.set_show_edit_predictions(Some(false), window, cx);
1279        editor.set_soft_wrap_mode(SoftWrap::EditorWidth, cx);
1280        if move_to_end {
1281            editor.move_to_end(&MoveToEnd, window, cx);
1282        }
1283        editor
1284    })
1285}
1286
1287const RPC_MESSAGES: &str = "RPC Messages";
1288const SERVER_LOGS: &str = "Server Logs";
1289const SERVER_TRACE: &str = "Server Trace";
1290const SERVER_INFO: &str = "Server Info";
1291
1292impl LspLogToolbarItemView {
1293    pub fn new() -> Self {
1294        Self {
1295            log_view: None,
1296            _log_view_subscription: None,
1297        }
1298    }
1299
1300    fn toggle_rpc_logging_for_server(
1301        &mut self,
1302        id: LanguageServerId,
1303        enabled: bool,
1304        window: &mut Window,
1305        cx: &mut Context<Self>,
1306    ) {
1307        if let Some(log_view) = &self.log_view {
1308            log_view.update(cx, |log_view, cx| {
1309                log_view.toggle_rpc_trace_for_server(id, enabled, window, cx);
1310                if !enabled && Some(id) == log_view.current_server_id {
1311                    log_view.show_logs_for_server(id, window, cx);
1312                    cx.notify();
1313                } else if enabled {
1314                    log_view.show_rpc_trace_for_server(id, window, cx);
1315                    cx.notify();
1316                }
1317                window.focus(&log_view.focus_handle);
1318            });
1319        }
1320        cx.notify();
1321    }
1322}
1323
1324struct ServerInfo {
1325    id: LanguageServerId,
1326    capabilities: lsp::ServerCapabilities,
1327    status: LanguageServerStatus,
1328}
1329
1330impl ServerInfo {
1331    fn new(server: &LanguageServer) -> Self {
1332        Self {
1333            id: server.server_id(),
1334            capabilities: server.capabilities(),
1335            status: LanguageServerStatus {
1336                name: server.name(),
1337                pending_work: Default::default(),
1338                has_pending_diagnostic_updates: false,
1339                progress_tokens: Default::default(),
1340                worktree: None,
1341                binary: Some(server.binary().clone()),
1342                configuration: Some(server.configuration().clone()),
1343                workspace_folders: server.workspace_folders(),
1344            },
1345        }
1346    }
1347}
1348
1349impl EventEmitter<EditorEvent> for LspLogView {}
1350impl EventEmitter<SearchEvent> for LspLogView {}