778 lines
34 KiB
Rust
778 lines
34 KiB
Rust
//! The main loop of `rust-analyzer` responsible for dispatching LSP
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//! requests/replies and notifications back to the client.
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use std::{
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fmt,
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sync::Arc,
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time::{Duration, Instant},
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};
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use always_assert::always;
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use crossbeam_channel::{select, Receiver};
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use flycheck::FlycheckHandle;
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use ide_db::base_db::{SourceDatabaseExt, VfsPath};
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use lsp_server::{Connection, Notification, Request};
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use lsp_types::notification::Notification as _;
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use vfs::FileId;
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use crate::{
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config::Config,
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dispatch::{NotificationDispatcher, RequestDispatcher},
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from_proto,
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global_state::{file_id_to_url, url_to_file_id, GlobalState},
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lsp_ext,
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lsp_utils::{notification_is, Progress},
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reload::{BuildDataProgress, ProcMacroProgress, ProjectWorkspaceProgress},
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Result,
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};
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pub fn main_loop(config: Config, connection: Connection) -> Result<()> {
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tracing::info!("initial config: {:#?}", config);
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// Windows scheduler implements priority boosts: if thread waits for an
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// event (like a condvar), and event fires, priority of the thread is
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// temporary bumped. This optimization backfires in our case: each time the
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// `main_loop` schedules a task to run on a threadpool, the worker threads
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// gets a higher priority, and (on a machine with fewer cores) displaces the
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// main loop! We work around this by marking the main loop as a
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// higher-priority thread.
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//
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// https://docs.microsoft.com/en-us/windows/win32/procthread/scheduling-priorities
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// https://docs.microsoft.com/en-us/windows/win32/procthread/priority-boosts
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// https://github.com/rust-lang/rust-analyzer/issues/2835
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#[cfg(windows)]
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unsafe {
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use winapi::um::processthreadsapi::*;
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let thread = GetCurrentThread();
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let thread_priority_above_normal = 1;
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SetThreadPriority(thread, thread_priority_above_normal);
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}
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GlobalState::new(connection.sender, config).run(connection.receiver)
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}
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enum Event {
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Lsp(lsp_server::Message),
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Task(Task),
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Vfs(vfs::loader::Message),
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Flycheck(flycheck::Message),
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}
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#[derive(Debug)]
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pub(crate) enum Task {
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Response(lsp_server::Response),
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Retry(lsp_server::Request),
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Diagnostics(Vec<(FileId, Vec<lsp_types::Diagnostic>)>),
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PrimeCaches(PrimeCachesProgress),
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FetchWorkspace(ProjectWorkspaceProgress),
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FetchBuildData(BuildDataProgress),
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LoadProcMacros(ProcMacroProgress),
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}
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#[derive(Debug)]
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pub(crate) enum PrimeCachesProgress {
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Begin,
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Report(ide::ParallelPrimeCachesProgress),
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End { cancelled: bool },
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}
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impl fmt::Debug for Event {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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let debug_verbose_not = |not: &Notification, f: &mut fmt::Formatter<'_>| {
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f.debug_struct("Notification").field("method", ¬.method).finish()
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};
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match self {
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Event::Lsp(lsp_server::Message::Notification(not)) => {
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if notification_is::<lsp_types::notification::DidOpenTextDocument>(not)
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|| notification_is::<lsp_types::notification::DidChangeTextDocument>(not)
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{
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return debug_verbose_not(not, f);
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}
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}
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Event::Task(Task::Response(resp)) => {
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return f
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.debug_struct("Response")
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.field("id", &resp.id)
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.field("error", &resp.error)
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.finish();
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}
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_ => (),
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}
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match self {
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Event::Lsp(it) => fmt::Debug::fmt(it, f),
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Event::Task(it) => fmt::Debug::fmt(it, f),
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Event::Vfs(it) => fmt::Debug::fmt(it, f),
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Event::Flycheck(it) => fmt::Debug::fmt(it, f),
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}
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}
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}
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impl GlobalState {
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fn run(mut self, inbox: Receiver<lsp_server::Message>) -> Result<()> {
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self.update_status_or_notify();
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if self.config.did_save_text_document_dynamic_registration() {
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let save_registration_options = lsp_types::TextDocumentSaveRegistrationOptions {
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include_text: Some(false),
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text_document_registration_options: lsp_types::TextDocumentRegistrationOptions {
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document_selector: Some(vec![
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lsp_types::DocumentFilter {
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language: None,
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scheme: None,
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pattern: Some("**/*.rs".into()),
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},
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lsp_types::DocumentFilter {
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language: None,
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scheme: None,
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pattern: Some("**/Cargo.toml".into()),
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},
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lsp_types::DocumentFilter {
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language: None,
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scheme: None,
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pattern: Some("**/Cargo.lock".into()),
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},
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]),
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},
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};
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let registration = lsp_types::Registration {
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id: "textDocument/didSave".to_string(),
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method: "textDocument/didSave".to_string(),
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register_options: Some(serde_json::to_value(save_registration_options).unwrap()),
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};
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self.send_request::<lsp_types::request::RegisterCapability>(
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lsp_types::RegistrationParams { registrations: vec![registration] },
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|_, _| (),
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);
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}
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self.fetch_workspaces_queue.request_op("startup".to_string(), ());
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if let Some((cause, ())) = self.fetch_workspaces_queue.should_start_op() {
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self.fetch_workspaces(cause);
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}
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while let Some(event) = self.next_event(&inbox) {
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if let Event::Lsp(lsp_server::Message::Notification(not)) = &event {
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if not.method == lsp_types::notification::Exit::METHOD {
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return Ok(());
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}
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}
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self.handle_event(event)?
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}
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Err("client exited without proper shutdown sequence".into())
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}
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fn next_event(&self, inbox: &Receiver<lsp_server::Message>) -> Option<Event> {
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select! {
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recv(inbox) -> msg =>
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msg.ok().map(Event::Lsp),
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recv(self.task_pool.receiver) -> task =>
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Some(Event::Task(task.unwrap())),
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recv(self.loader.receiver) -> task =>
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Some(Event::Vfs(task.unwrap())),
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recv(self.flycheck_receiver) -> task =>
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Some(Event::Flycheck(task.unwrap())),
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}
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}
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fn handle_event(&mut self, event: Event) -> Result<()> {
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let loop_start = Instant::now();
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// NOTE: don't count blocking select! call as a loop-turn time
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let _p = profile::span("GlobalState::handle_event");
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tracing::debug!("{:?} handle_event({:?})", loop_start, event);
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let task_queue_len = self.task_pool.handle.len();
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if task_queue_len > 0 {
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tracing::info!("task queue len: {}", task_queue_len);
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}
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let was_quiescent = self.is_quiescent();
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match event {
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Event::Lsp(msg) => match msg {
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lsp_server::Message::Request(req) => self.on_new_request(loop_start, req),
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lsp_server::Message::Notification(not) => {
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self.on_notification(not)?;
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}
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lsp_server::Message::Response(resp) => self.complete_request(resp),
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},
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Event::Task(task) => {
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let _p = profile::span("GlobalState::handle_event/task");
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let mut prime_caches_progress = Vec::new();
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self.handle_task(&mut prime_caches_progress, task);
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// Coalesce multiple task events into one loop turn
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while let Ok(task) = self.task_pool.receiver.try_recv() {
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self.handle_task(&mut prime_caches_progress, task);
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}
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for progress in prime_caches_progress {
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let (state, message, fraction);
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match progress {
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PrimeCachesProgress::Begin => {
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state = Progress::Begin;
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message = None;
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fraction = 0.0;
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}
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PrimeCachesProgress::Report(report) => {
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state = Progress::Report;
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message = match &report.crates_currently_indexing[..] {
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[crate_name] => Some(format!(
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"{}/{} ({crate_name})",
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report.crates_done, report.crates_total
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)),
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[crate_name, rest @ ..] => Some(format!(
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"{}/{} ({} + {} more)",
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report.crates_done,
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report.crates_total,
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crate_name,
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rest.len()
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)),
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_ => None,
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};
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fraction = Progress::fraction(report.crates_done, report.crates_total);
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}
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PrimeCachesProgress::End { cancelled } => {
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state = Progress::End;
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message = None;
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fraction = 1.0;
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self.prime_caches_queue.op_completed(());
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if cancelled {
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self.prime_caches_queue
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.request_op("restart after cancellation".to_string(), ());
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}
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}
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};
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self.report_progress("Indexing", state, message, Some(fraction), None);
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}
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}
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Event::Vfs(message) => {
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let _p = profile::span("GlobalState::handle_event/vfs");
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self.handle_vfs_msg(message);
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// Coalesce many VFS event into a single loop turn
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while let Ok(message) = self.loader.receiver.try_recv() {
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self.handle_vfs_msg(message);
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}
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}
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Event::Flycheck(message) => {
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let _p = profile::span("GlobalState::handle_event/flycheck");
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self.handle_flycheck_msg(message);
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// Coalesce many flycheck updates into a single loop turn
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while let Ok(message) = self.flycheck_receiver.try_recv() {
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self.handle_flycheck_msg(message);
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}
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}
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}
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let state_changed = self.process_changes();
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let memdocs_added_or_removed = self.mem_docs.take_changes();
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if self.is_quiescent() {
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let became_quiescent = !(was_quiescent
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|| self.fetch_workspaces_queue.op_requested()
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|| self.fetch_build_data_queue.op_requested()
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|| self.fetch_proc_macros_queue.op_requested());
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if became_quiescent {
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if self.config.check_on_save() {
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// Project has loaded properly, kick off initial flycheck
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self.flycheck.iter().for_each(FlycheckHandle::restart);
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}
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if self.config.prefill_caches() {
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self.prime_caches_queue.request_op("became quiescent".to_string(), ());
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}
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}
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if !was_quiescent || state_changed {
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// Refresh semantic tokens if the client supports it.
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if self.config.semantic_tokens_refresh() {
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self.semantic_tokens_cache.lock().clear();
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self.send_request::<lsp_types::request::SemanticTokensRefresh>((), |_, _| ());
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}
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// Refresh code lens if the client supports it.
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if self.config.code_lens_refresh() {
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self.send_request::<lsp_types::request::CodeLensRefresh>((), |_, _| ());
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}
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// Refresh inlay hints if the client supports it.
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if self.config.inlay_hints_refresh() {
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self.send_request::<lsp_types::request::InlayHintRefreshRequest>((), |_, _| ());
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}
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}
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if (!was_quiescent || state_changed || memdocs_added_or_removed)
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&& self.config.publish_diagnostics()
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{
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self.update_diagnostics()
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}
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}
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if let Some(diagnostic_changes) = self.diagnostics.take_changes() {
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for file_id in diagnostic_changes {
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let uri = file_id_to_url(&self.vfs.read().0, file_id);
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let mut diagnostics =
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self.diagnostics.diagnostics_for(file_id).cloned().collect::<Vec<_>>();
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// VSCode assumes diagnostic messages to be non-empty strings, so we need to patch
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// empty diagnostics. Neither the docs of VSCode nor the LSP spec say whether
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// diagnostic messages are actually allowed to be empty or not and patching this
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// in the VSCode client does not work as the assertion happens in the protocol
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// conversion. So this hack is here to stay, and will be considered a hack
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// until the LSP decides to state that empty messages are allowed.
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// See https://github.com/rust-lang/rust-analyzer/issues/11404
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// See https://github.com/rust-lang/rust-analyzer/issues/13130
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let patch_empty = |message: &mut String| {
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if message.is_empty() {
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*message = " ".to_string();
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}
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};
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for d in &mut diagnostics {
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patch_empty(&mut d.message);
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if let Some(dri) = &mut d.related_information {
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for dri in dri {
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patch_empty(&mut dri.message);
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}
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}
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}
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let version = from_proto::vfs_path(&uri)
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.map(|path| self.mem_docs.get(&path).map(|it| it.version))
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.unwrap_or_default();
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self.send_notification::<lsp_types::notification::PublishDiagnostics>(
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lsp_types::PublishDiagnosticsParams { uri, diagnostics, version },
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);
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}
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}
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if self.config.cargo_autoreload() {
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if let Some((cause, ())) = self.fetch_workspaces_queue.should_start_op() {
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self.fetch_workspaces(cause);
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}
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}
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if !self.fetch_workspaces_queue.op_in_progress() {
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if let Some((cause, ())) = self.fetch_build_data_queue.should_start_op() {
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self.fetch_build_data(cause);
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} else if let Some((cause, paths)) = self.fetch_proc_macros_queue.should_start_op() {
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self.fetch_proc_macros(cause, paths);
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}
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}
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if let Some((cause, ())) = self.prime_caches_queue.should_start_op() {
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tracing::debug!(%cause, "will prime caches");
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let num_worker_threads = self.config.prime_caches_num_threads();
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self.task_pool.handle.spawn_with_sender({
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let analysis = self.snapshot().analysis;
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move |sender| {
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sender.send(Task::PrimeCaches(PrimeCachesProgress::Begin)).unwrap();
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let res = analysis.parallel_prime_caches(num_worker_threads, |progress| {
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let report = PrimeCachesProgress::Report(progress);
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sender.send(Task::PrimeCaches(report)).unwrap();
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});
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sender
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.send(Task::PrimeCaches(PrimeCachesProgress::End {
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cancelled: res.is_err(),
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}))
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.unwrap();
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}
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});
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}
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self.update_status_or_notify();
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let loop_duration = loop_start.elapsed();
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if loop_duration > Duration::from_millis(100) && was_quiescent {
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tracing::warn!("overly long loop turn: {:?}", loop_duration);
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self.poke_rust_analyzer_developer(format!("overly long loop turn: {loop_duration:?}"));
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}
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Ok(())
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}
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fn update_status_or_notify(&mut self) {
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let status = self.current_status();
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if self.last_reported_status.as_ref() != Some(&status) {
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self.last_reported_status = Some(status.clone());
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if self.config.server_status_notification() {
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self.send_notification::<lsp_ext::ServerStatusNotification>(status);
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} else if let (health, Some(message)) = (status.health, &status.message) {
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let open_log_button = tracing::enabled!(tracing::Level::ERROR)
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&& (self.fetch_build_data_error().is_err()
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|| self.fetch_workspace_error().is_err());
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self.show_message(
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match health {
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lsp_ext::Health::Ok => lsp_types::MessageType::INFO,
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lsp_ext::Health::Warning => lsp_types::MessageType::WARNING,
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lsp_ext::Health::Error => lsp_types::MessageType::ERROR,
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},
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message.clone(),
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open_log_button,
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);
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}
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}
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}
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fn handle_task(&mut self, prime_caches_progress: &mut Vec<PrimeCachesProgress>, task: Task) {
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match task {
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Task::Response(response) => self.respond(response),
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// Only retry requests that haven't been cancelled. Otherwise we do unnecessary work.
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Task::Retry(req) if !self.is_completed(&req) => self.on_request(req),
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Task::Retry(_) => (),
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Task::Diagnostics(diagnostics_per_file) => {
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for (file_id, diagnostics) in diagnostics_per_file {
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self.diagnostics.set_native_diagnostics(file_id, diagnostics)
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}
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}
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Task::PrimeCaches(progress) => match progress {
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PrimeCachesProgress::Begin => prime_caches_progress.push(progress),
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PrimeCachesProgress::Report(_) => {
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match prime_caches_progress.last_mut() {
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Some(last @ PrimeCachesProgress::Report(_)) => {
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// Coalesce subsequent update events.
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*last = progress;
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}
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_ => prime_caches_progress.push(progress),
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}
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}
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PrimeCachesProgress::End { .. } => prime_caches_progress.push(progress),
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},
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Task::FetchWorkspace(progress) => {
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let (state, msg) = match progress {
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ProjectWorkspaceProgress::Begin => (Progress::Begin, None),
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ProjectWorkspaceProgress::Report(msg) => (Progress::Report, Some(msg)),
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ProjectWorkspaceProgress::End(workspaces) => {
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self.fetch_workspaces_queue.op_completed(Some(workspaces));
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if let Err(e) = self.fetch_workspace_error() {
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tracing::error!("FetchWorkspaceError:\n{e}");
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}
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let old = Arc::clone(&self.workspaces);
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self.switch_workspaces("fetched workspace".to_string());
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let workspaces_updated = !Arc::ptr_eq(&old, &self.workspaces);
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if self.config.run_build_scripts() && workspaces_updated {
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self.fetch_build_data_queue
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.request_op(format!("workspace updated"), ());
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}
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(Progress::End, None)
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}
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};
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self.report_progress("Fetching", state, msg, None, None);
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}
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Task::FetchBuildData(progress) => {
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let (state, msg) = match progress {
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BuildDataProgress::Begin => (Some(Progress::Begin), None),
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BuildDataProgress::Report(msg) => (Some(Progress::Report), Some(msg)),
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BuildDataProgress::End(build_data_result) => {
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self.fetch_build_data_queue.op_completed(build_data_result);
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if let Err(e) = self.fetch_build_data_error() {
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tracing::error!("FetchBuildDataError:\n{e}");
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}
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|
|
self.switch_workspaces("fetched build data".to_string());
|
|
|
|
(Some(Progress::End), None)
|
|
}
|
|
};
|
|
|
|
if let Some(state) = state {
|
|
self.report_progress("Building", state, msg, None, None);
|
|
}
|
|
}
|
|
Task::LoadProcMacros(progress) => {
|
|
let (state, msg) = match progress {
|
|
ProcMacroProgress::Begin => (Some(Progress::Begin), None),
|
|
ProcMacroProgress::Report(msg) => (Some(Progress::Report), Some(msg)),
|
|
ProcMacroProgress::End(proc_macro_load_result) => {
|
|
self.fetch_proc_macros_queue.op_completed(true);
|
|
self.set_proc_macros(proc_macro_load_result);
|
|
|
|
(Some(Progress::End), None)
|
|
}
|
|
};
|
|
|
|
if let Some(state) = state {
|
|
self.report_progress("Loading", state, msg, None, None);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
fn handle_vfs_msg(&mut self, message: vfs::loader::Message) {
|
|
match message {
|
|
vfs::loader::Message::Loaded { files } => {
|
|
let vfs = &mut self.vfs.write().0;
|
|
for (path, contents) in files {
|
|
let path = VfsPath::from(path);
|
|
if !self.mem_docs.contains(&path) {
|
|
vfs.set_file_contents(path, contents);
|
|
}
|
|
}
|
|
}
|
|
vfs::loader::Message::Progress { n_total, n_done, config_version } => {
|
|
always!(config_version <= self.vfs_config_version);
|
|
|
|
self.vfs_progress_config_version = config_version;
|
|
self.vfs_progress_n_total = n_total;
|
|
self.vfs_progress_n_done = n_done;
|
|
|
|
// if n_total != 0 {
|
|
let state = if n_done == 0 {
|
|
Progress::Begin
|
|
} else if n_done < n_total {
|
|
Progress::Report
|
|
} else {
|
|
assert_eq!(n_done, n_total);
|
|
Progress::End
|
|
};
|
|
self.report_progress(
|
|
"Roots Scanned",
|
|
state,
|
|
Some(format!("{n_done}/{n_total}")),
|
|
Some(Progress::fraction(n_done, n_total)),
|
|
None,
|
|
);
|
|
// }
|
|
}
|
|
}
|
|
}
|
|
|
|
fn handle_flycheck_msg(&mut self, message: flycheck::Message) {
|
|
match message {
|
|
flycheck::Message::AddDiagnostic { id, workspace_root, diagnostic } => {
|
|
let snap = self.snapshot();
|
|
let diagnostics = crate::diagnostics::to_proto::map_rust_diagnostic_to_lsp(
|
|
&self.config.diagnostics_map(),
|
|
&diagnostic,
|
|
&workspace_root,
|
|
&snap,
|
|
);
|
|
for diag in diagnostics {
|
|
match url_to_file_id(&self.vfs.read().0, &diag.url) {
|
|
Ok(file_id) => self.diagnostics.add_check_diagnostic(
|
|
id,
|
|
file_id,
|
|
diag.diagnostic,
|
|
diag.fix,
|
|
),
|
|
Err(err) => {
|
|
tracing::error!(
|
|
"flycheck {id}: File with cargo diagnostic not found in VFS: {}",
|
|
err
|
|
);
|
|
}
|
|
};
|
|
}
|
|
}
|
|
|
|
flycheck::Message::Progress { id, progress } => {
|
|
let (state, message) = match progress {
|
|
flycheck::Progress::DidStart => {
|
|
self.diagnostics.clear_check(id);
|
|
(Progress::Begin, None)
|
|
}
|
|
flycheck::Progress::DidCheckCrate(target) => (Progress::Report, Some(target)),
|
|
flycheck::Progress::DidCancel => (Progress::End, None),
|
|
flycheck::Progress::DidFailToRestart(err) => {
|
|
self.show_and_log_error(
|
|
"cargo check failed to start".to_string(),
|
|
Some(err),
|
|
);
|
|
return;
|
|
}
|
|
flycheck::Progress::DidFinish(result) => {
|
|
if let Err(err) = result {
|
|
self.show_and_log_error(
|
|
"cargo check failed".to_string(),
|
|
Some(err.to_string()),
|
|
);
|
|
}
|
|
(Progress::End, None)
|
|
}
|
|
};
|
|
|
|
// When we're running multiple flychecks, we have to include a disambiguator in
|
|
// the title, or the editor complains. Note that this is a user-facing string.
|
|
let title = if self.flycheck.len() == 1 {
|
|
format!("{}", self.config.flycheck())
|
|
} else {
|
|
format!("cargo check (#{})", id + 1)
|
|
};
|
|
self.report_progress(
|
|
&title,
|
|
state,
|
|
message,
|
|
None,
|
|
Some(format!("rust-analyzer/flycheck/{id}")),
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Registers and handles a request. This should only be called once per incoming request.
|
|
fn on_new_request(&mut self, request_received: Instant, req: Request) {
|
|
self.register_request(&req, request_received);
|
|
self.on_request(req);
|
|
}
|
|
|
|
/// Handles a request.
|
|
fn on_request(&mut self, req: Request) {
|
|
let mut dispatcher = RequestDispatcher { req: Some(req), global_state: self };
|
|
dispatcher.on_sync_mut::<lsp_types::request::Shutdown>(|s, ()| {
|
|
s.shutdown_requested = true;
|
|
Ok(())
|
|
});
|
|
|
|
match &mut dispatcher {
|
|
RequestDispatcher { req: Some(req), global_state: this } if this.shutdown_requested => {
|
|
this.respond(lsp_server::Response::new_err(
|
|
req.id.clone(),
|
|
lsp_server::ErrorCode::InvalidRequest as i32,
|
|
"Shutdown already requested.".to_owned(),
|
|
));
|
|
return;
|
|
}
|
|
_ => (),
|
|
}
|
|
|
|
use crate::handlers::request as handlers;
|
|
|
|
dispatcher
|
|
.on_sync_mut::<lsp_ext::ReloadWorkspace>(handlers::handle_workspace_reload)
|
|
.on_sync_mut::<lsp_ext::RebuildProcMacros>(handlers::handle_proc_macros_rebuild)
|
|
.on_sync_mut::<lsp_ext::MemoryUsage>(handlers::handle_memory_usage)
|
|
.on_sync_mut::<lsp_ext::ShuffleCrateGraph>(handlers::handle_shuffle_crate_graph)
|
|
.on_sync::<lsp_ext::JoinLines>(handlers::handle_join_lines)
|
|
.on_sync::<lsp_ext::OnEnter>(handlers::handle_on_enter)
|
|
.on_sync::<lsp_types::request::SelectionRangeRequest>(handlers::handle_selection_range)
|
|
.on_sync::<lsp_ext::MatchingBrace>(handlers::handle_matching_brace)
|
|
.on::<lsp_ext::AnalyzerStatus>(handlers::handle_analyzer_status)
|
|
.on::<lsp_ext::SyntaxTree>(handlers::handle_syntax_tree)
|
|
.on::<lsp_ext::ViewHir>(handlers::handle_view_hir)
|
|
.on::<lsp_ext::ViewMir>(handlers::handle_view_mir)
|
|
.on::<lsp_ext::InterpretFunction>(handlers::handle_interpret_function)
|
|
.on::<lsp_ext::ViewFileText>(handlers::handle_view_file_text)
|
|
.on::<lsp_ext::ViewCrateGraph>(handlers::handle_view_crate_graph)
|
|
.on::<lsp_ext::ViewItemTree>(handlers::handle_view_item_tree)
|
|
.on::<lsp_ext::ExpandMacro>(handlers::handle_expand_macro)
|
|
.on::<lsp_ext::ParentModule>(handlers::handle_parent_module)
|
|
.on::<lsp_ext::Runnables>(handlers::handle_runnables)
|
|
.on::<lsp_ext::RelatedTests>(handlers::handle_related_tests)
|
|
.on::<lsp_ext::CodeActionRequest>(handlers::handle_code_action)
|
|
.on::<lsp_ext::CodeActionResolveRequest>(handlers::handle_code_action_resolve)
|
|
.on::<lsp_ext::HoverRequest>(handlers::handle_hover)
|
|
.on::<lsp_ext::ExternalDocs>(handlers::handle_open_docs)
|
|
.on::<lsp_ext::OpenCargoToml>(handlers::handle_open_cargo_toml)
|
|
.on::<lsp_ext::MoveItem>(handlers::handle_move_item)
|
|
.on::<lsp_ext::WorkspaceSymbol>(handlers::handle_workspace_symbol)
|
|
.on::<lsp_ext::OnTypeFormatting>(handlers::handle_on_type_formatting)
|
|
.on::<lsp_types::request::DocumentSymbolRequest>(handlers::handle_document_symbol)
|
|
.on::<lsp_types::request::GotoDefinition>(handlers::handle_goto_definition)
|
|
.on::<lsp_types::request::GotoDeclaration>(handlers::handle_goto_declaration)
|
|
.on::<lsp_types::request::GotoImplementation>(handlers::handle_goto_implementation)
|
|
.on::<lsp_types::request::GotoTypeDefinition>(handlers::handle_goto_type_definition)
|
|
.on_no_retry::<lsp_types::request::InlayHintRequest>(handlers::handle_inlay_hints)
|
|
.on::<lsp_types::request::InlayHintResolveRequest>(handlers::handle_inlay_hints_resolve)
|
|
.on::<lsp_types::request::Completion>(handlers::handle_completion)
|
|
.on::<lsp_types::request::ResolveCompletionItem>(handlers::handle_completion_resolve)
|
|
.on::<lsp_types::request::CodeLensRequest>(handlers::handle_code_lens)
|
|
.on::<lsp_types::request::CodeLensResolve>(handlers::handle_code_lens_resolve)
|
|
.on::<lsp_types::request::FoldingRangeRequest>(handlers::handle_folding_range)
|
|
.on::<lsp_types::request::SignatureHelpRequest>(handlers::handle_signature_help)
|
|
.on::<lsp_types::request::PrepareRenameRequest>(handlers::handle_prepare_rename)
|
|
.on::<lsp_types::request::Rename>(handlers::handle_rename)
|
|
.on::<lsp_types::request::References>(handlers::handle_references)
|
|
.on::<lsp_types::request::Formatting>(handlers::handle_formatting)
|
|
.on::<lsp_types::request::RangeFormatting>(handlers::handle_range_formatting)
|
|
.on::<lsp_types::request::DocumentHighlightRequest>(handlers::handle_document_highlight)
|
|
.on::<lsp_types::request::CallHierarchyPrepare>(handlers::handle_call_hierarchy_prepare)
|
|
.on::<lsp_types::request::CallHierarchyIncomingCalls>(
|
|
handlers::handle_call_hierarchy_incoming,
|
|
)
|
|
.on::<lsp_types::request::CallHierarchyOutgoingCalls>(
|
|
handlers::handle_call_hierarchy_outgoing,
|
|
)
|
|
.on::<lsp_types::request::SemanticTokensFullRequest>(
|
|
handlers::handle_semantic_tokens_full,
|
|
)
|
|
.on::<lsp_types::request::SemanticTokensFullDeltaRequest>(
|
|
handlers::handle_semantic_tokens_full_delta,
|
|
)
|
|
.on::<lsp_types::request::SemanticTokensRangeRequest>(
|
|
handlers::handle_semantic_tokens_range,
|
|
)
|
|
.on::<lsp_types::request::WillRenameFiles>(handlers::handle_will_rename_files)
|
|
.on::<lsp_ext::Ssr>(handlers::handle_ssr)
|
|
.finish();
|
|
}
|
|
|
|
/// Handles an incoming notification.
|
|
fn on_notification(&mut self, not: Notification) -> Result<()> {
|
|
use crate::handlers::notification as handlers;
|
|
use lsp_types::notification as notifs;
|
|
|
|
NotificationDispatcher { not: Some(not), global_state: self }
|
|
.on::<notifs::Cancel>(handlers::handle_cancel)?
|
|
.on::<notifs::WorkDoneProgressCancel>(handlers::handle_work_done_progress_cancel)?
|
|
.on::<notifs::DidOpenTextDocument>(handlers::handle_did_open_text_document)?
|
|
.on::<notifs::DidChangeTextDocument>(handlers::handle_did_change_text_document)?
|
|
.on::<notifs::DidCloseTextDocument>(handlers::handle_did_close_text_document)?
|
|
.on::<notifs::DidSaveTextDocument>(handlers::handle_did_save_text_document)?
|
|
.on::<notifs::DidChangeConfiguration>(handlers::handle_did_change_configuration)?
|
|
.on::<notifs::DidChangeWorkspaceFolders>(handlers::handle_did_change_workspace_folders)?
|
|
.on::<notifs::DidChangeWatchedFiles>(handlers::handle_did_change_watched_files)?
|
|
.on::<lsp_ext::CancelFlycheck>(handlers::handle_cancel_flycheck)?
|
|
.on::<lsp_ext::ClearFlycheck>(handlers::handle_clear_flycheck)?
|
|
.on::<lsp_ext::RunFlycheck>(handlers::handle_run_flycheck)?
|
|
.finish();
|
|
Ok(())
|
|
}
|
|
|
|
fn update_diagnostics(&mut self) {
|
|
let db = self.analysis_host.raw_database();
|
|
let subscriptions = self
|
|
.mem_docs
|
|
.iter()
|
|
.map(|path| self.vfs.read().0.file_id(path).unwrap())
|
|
.filter(|&file_id| {
|
|
let source_root = db.file_source_root(file_id);
|
|
// Only publish diagnostics for files in the workspace, not from crates.io deps
|
|
// or the sysroot.
|
|
// While theoretically these should never have errors, we have quite a few false
|
|
// positives particularly in the stdlib, and those diagnostics would stay around
|
|
// forever if we emitted them here.
|
|
!db.source_root(source_root).is_library
|
|
})
|
|
.collect::<Vec<_>>();
|
|
|
|
tracing::trace!("updating notifications for {:?}", subscriptions);
|
|
|
|
let snapshot = self.snapshot();
|
|
self.task_pool.handle.spawn(move || {
|
|
let diagnostics = subscriptions
|
|
.into_iter()
|
|
.filter_map(|file_id| {
|
|
crate::handlers::publish_diagnostics(&snapshot, file_id)
|
|
.ok()
|
|
.map(|diags| (file_id, diags))
|
|
})
|
|
.collect::<Vec<_>>();
|
|
Task::Diagnostics(diagnostics)
|
|
})
|
|
}
|
|
}
|