2020-02-18 05:33:16 -06:00
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//! The main loop of `rust-analyzer` responsible for dispatching LSP
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2020-02-18 05:25:26 -06:00
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//! requests/replies and notifications back to the client.
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2020-01-29 04:21:49 -06:00
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use std::{
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2021-08-22 09:41:09 -05:00
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fmt,
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2021-04-06 04:40:31 -05:00
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sync::Arc,
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2020-01-29 04:21:49 -06:00
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time::{Duration, Instant},
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};
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2018-08-12 16:09:30 -05:00
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2021-02-12 08:58:29 -06:00
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use always_assert::always;
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2020-07-15 07:37:44 -05:00
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use crossbeam_channel::{select, Receiver};
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2021-08-06 09:14:54 -05:00
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use ide_db::base_db::{SourceDatabaseExt, VfsPath};
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2021-07-19 15:40:20 -05:00
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use lsp_server::{Connection, Notification, Request};
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2020-08-03 15:35:32 -05:00
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use lsp_types::notification::Notification as _;
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2021-08-30 11:18:48 -05:00
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use vfs::{ChangeKind, FileId};
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2018-08-12 16:09:30 -05:00
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2018-10-15 12:15:53 -05:00
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use crate::{
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2020-06-25 16:26:21 -05:00
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config::Config,
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2020-06-25 10:50:47 -05:00
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dispatch::{NotificationDispatcher, RequestDispatcher},
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2020-06-03 04:16:08 -05:00
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from_proto,
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2021-04-06 06:16:35 -05:00
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global_state::{file_id_to_url, url_to_file_id, GlobalState},
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2020-06-24 11:57:30 -05:00
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handlers, lsp_ext,
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2021-05-17 12:07:10 -05:00
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lsp_utils::{apply_document_changes, is_cancelled, notification_is, Progress},
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2021-07-26 12:16:47 -05:00
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mem_docs::DocumentData,
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2021-01-28 09:33:02 -06:00
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reload::{BuildDataProgress, ProjectWorkspaceProgress},
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2020-06-25 10:22:18 -05:00
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Result,
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2018-08-12 14:08:14 -05:00
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};
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2020-06-03 05:22:01 -05:00
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pub fn main_loop(config: Config, connection: Connection) -> Result<()> {
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2021-08-15 07:46:13 -05:00
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tracing::info!("initial config: {:#?}", config);
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2019-08-31 06:47:37 -05:00
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2020-01-26 05:02:56 -06:00
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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-analyzer/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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2020-08-08 09:42:50 -05:00
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GlobalState::new(connection.sender, config).run(connection.receiver)
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2020-06-25 10:14:11 -05:00
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}
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2020-06-25 12:01:16 -05:00
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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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2020-06-25 15:45:35 -05:00
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#[derive(Debug)]
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pub(crate) enum Task {
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2021-07-19 15:40:20 -05:00
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Response(lsp_server::Response),
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2020-06-25 15:45:35 -05:00
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Diagnostics(Vec<(FileId, Vec<lsp_types::Diagnostic>)>),
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2020-10-06 10:58:03 -05:00
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PrimeCaches(PrimeCachesProgress),
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2021-01-07 11:08:46 -06:00
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FetchWorkspace(ProjectWorkspaceProgress),
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2021-01-28 09:33:02 -06:00
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FetchBuildData(BuildDataProgress),
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2020-06-25 15:45:35 -05:00
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}
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2021-08-30 11:18:48 -05:00
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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::PrimeCachesProgress),
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End { cancelled: bool },
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}
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2020-06-25 12:01:16 -05:00
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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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2020-06-25 12:23:52 -05:00
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Event::Task(Task::Response(resp)) => {
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2020-06-25 12:01:16 -05:00
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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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2020-06-25 10:14:11 -05:00
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impl GlobalState {
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fn run(mut self, inbox: Receiver<lsp_server::Message>) -> Result<()> {
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2021-01-06 04:54:28 -06:00
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if self.config.linked_projects().is_empty()
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2021-05-23 12:32:22 -05:00
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&& self.config.detached_files().is_empty()
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2021-01-06 04:54:28 -06:00
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&& self.config.notifications().cargo_toml_not_found
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2020-07-02 09:47:42 -05:00
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{
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self.show_message(
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lsp_types::MessageType::Error,
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"rust-analyzer failed to discover workspace".to_string(),
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);
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};
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2021-01-10 13:38:35 -06:00
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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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2020-07-02 08:32:56 -05:00
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2021-08-30 11:35:49 -05:00
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self.fetch_workspaces_queue.request_op();
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if self.fetch_workspaces_queue.should_start_op() {
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self.fetch_workspaces();
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}
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2020-06-25 16:26:21 -05:00
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2020-06-25 10:14:11 -05:00
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while let Some(event) = self.next_event(&inbox) {
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2020-06-25 12:01:16 -05:00
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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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2020-06-25 10:14:11 -05:00
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}
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2020-06-25 16:26:21 -05:00
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self.handle_event(event)?
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2020-06-25 12:01:16 -05:00
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}
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2020-06-25 16:26:21 -05:00
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2020-06-25 12:01:16 -05:00
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Err("client exited without proper shutdown sequence")?
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}
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2020-06-25 10:14:11 -05:00
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2020-07-23 03:26:56 -05:00
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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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2020-06-25 16:26:21 -05:00
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fn handle_event(&mut self, event: Event) -> Result<()> {
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2020-06-25 12:01:16 -05:00
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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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2020-08-12 09:32:36 -05:00
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let _p = profile::span("GlobalState::handle_event");
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2020-06-25 12:01:16 -05:00
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2021-08-15 07:46:13 -05:00
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tracing::info!("handle_event({:?})", event);
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2020-08-25 04:27:22 -05:00
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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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2021-08-15 07:46:13 -05:00
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tracing::info!("task queue len: {}", task_queue_len);
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2020-06-25 12:01:16 -05:00
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}
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2021-04-06 06:16:35 -05:00
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let was_quiescent = self.is_quiescent();
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2020-06-25 12:01:16 -05:00
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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_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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2020-06-26 10:07:14 -05:00
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lsp_server::Message::Response(resp) => self.complete_request(resp),
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2020-06-25 12:01:16 -05:00
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},
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2020-11-02 10:06:49 -06:00
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Event::Task(mut task) => {
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let _p = profile::span("GlobalState::handle_event/task");
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2020-11-02 11:48:19 -06:00
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let mut prime_caches_progress = Vec::new();
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2020-11-02 10:06:49 -06:00
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loop {
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match task {
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Task::Response(response) => self.respond(response),
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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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2020-11-02 11:48:19 -06:00
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Task::PrimeCaches(progress) => match progress {
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2021-08-30 11:18:48 -05:00
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PrimeCachesProgress::Begin => prime_caches_progress.push(progress),
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PrimeCachesProgress::Report(_) => {
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2020-11-02 11:48:19 -06:00
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match prime_caches_progress.last_mut() {
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2021-08-30 11:18:48 -05:00
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Some(last @ PrimeCachesProgress::Report(_)) => {
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2020-11-02 11:48:19 -06:00
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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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2020-11-02 10:06:49 -06:00
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}
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2021-08-30 11:18:48 -05:00
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PrimeCachesProgress::End { .. } => prime_caches_progress.push(progress),
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2020-11-02 11:48:19 -06:00
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},
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2021-01-07 11:08:46 -06:00
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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) => {
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(Progress::Report, Some(msg))
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}
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2021-01-10 09:02:02 -06:00
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ProjectWorkspaceProgress::End(workspaces) => {
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2021-08-30 11:35:49 -05:00
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self.fetch_workspaces_queue.op_completed(workspaces);
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2021-04-06 04:40:31 -05:00
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let old = Arc::clone(&self.workspaces);
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2021-04-05 14:30:19 -05:00
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self.switch_workspaces();
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2021-04-06 04:40:31 -05:00
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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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2021-08-30 11:35:49 -05:00
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self.fetch_build_data_queue.request_op()
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2021-04-05 14:30:19 -05:00
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}
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2021-04-06 04:40:31 -05:00
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2021-01-10 09:02:02 -06:00
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(Progress::End, None)
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}
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2021-01-07 11:08:46 -06:00
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};
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2021-04-06 04:40:31 -05:00
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2021-04-15 13:39:34 -05:00
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self.report_progress("Fetching", state, msg, None);
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2021-01-07 11:08:46 -06:00
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}
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2021-01-28 09:33:02 -06:00
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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) => {
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(Some(Progress::Report), Some(msg))
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}
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2021-04-05 14:30:19 -05:00
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BuildDataProgress::End(build_data_result) => {
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2021-08-30 11:35:49 -05:00
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self.fetch_build_data_queue.op_completed(build_data_result);
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2021-04-06 04:40:31 -05:00
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2021-04-05 14:30:19 -05:00
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self.switch_workspaces();
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2021-04-06 04:40:31 -05:00
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2021-01-28 09:33:02 -06:00
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(Some(Progress::End), None)
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}
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};
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2021-04-06 04:40:31 -05:00
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2021-01-28 09:33:02 -06:00
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if let Some(state) = state {
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2021-04-15 13:39:34 -05:00
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self.report_progress("Loading", state, msg, None);
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2021-01-28 09:33:02 -06:00
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}
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}
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2020-06-25 12:23:52 -05:00
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}
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2021-04-06 04:40:31 -05:00
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2020-11-02 10:06:49 -06:00
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// Coalesce multiple task events into one loop turn
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task = match self.task_pool.receiver.try_recv() {
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Ok(task) => task,
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Err(_) => break,
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};
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2020-06-25 12:23:52 -05:00
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}
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2020-11-02 10:06:49 -06:00
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2020-11-02 11:48:19 -06:00
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for progress in prime_caches_progress {
|
2020-10-06 10:58:03 -05:00
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let (state, message, fraction);
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|
match progress {
|
2021-08-30 11:18:48 -05:00
|
|
|
PrimeCachesProgress::Begin => {
|
2020-10-06 10:58:03 -05:00
|
|
|
state = Progress::Begin;
|
|
|
|
message = None;
|
|
|
|
fraction = 0.0;
|
|
|
|
}
|
2021-08-30 11:18:48 -05:00
|
|
|
PrimeCachesProgress::Report(report) => {
|
2020-10-06 10:58:03 -05:00
|
|
|
state = Progress::Report;
|
2021-08-30 11:18:48 -05:00
|
|
|
message = Some(format!(
|
|
|
|
"{}/{} ({})",
|
|
|
|
report.n_done, report.n_total, report.on_crate
|
|
|
|
));
|
|
|
|
fraction = Progress::fraction(report.n_done, report.n_total);
|
2020-10-06 10:58:03 -05:00
|
|
|
}
|
2021-08-30 11:39:19 -05:00
|
|
|
PrimeCachesProgress::End { cancelled } => {
|
2020-10-06 10:58:03 -05:00
|
|
|
state = Progress::End;
|
|
|
|
message = None;
|
|
|
|
fraction = 1.0;
|
2021-05-02 13:45:00 -05:00
|
|
|
|
|
|
|
self.prime_caches_queue.op_completed(());
|
2021-08-30 11:39:19 -05:00
|
|
|
if cancelled {
|
|
|
|
self.prime_caches_queue.request_op();
|
|
|
|
}
|
2020-10-06 10:58:03 -05:00
|
|
|
}
|
|
|
|
};
|
|
|
|
|
2021-04-15 13:39:34 -05:00
|
|
|
self.report_progress("Indexing", state, message, Some(fraction));
|
2020-10-06 10:58:03 -05:00
|
|
|
}
|
2020-11-02 10:06:49 -06:00
|
|
|
}
|
2020-07-10 15:29:40 -05:00
|
|
|
Event::Vfs(mut task) => {
|
2020-08-12 09:32:36 -05:00
|
|
|
let _p = profile::span("GlobalState::handle_event/vfs");
|
2020-07-10 15:29:40 -05:00
|
|
|
loop {
|
|
|
|
match task {
|
|
|
|
vfs::loader::Message::Loaded { files } => {
|
|
|
|
let vfs = &mut self.vfs.write().0;
|
|
|
|
for (path, contents) in files {
|
|
|
|
let path = VfsPath::from(path);
|
2021-07-26 12:16:47 -05:00
|
|
|
if !self.mem_docs.contains(&path) {
|
2020-12-09 10:29:34 -06:00
|
|
|
vfs.set_file_contents(path, contents);
|
2020-07-10 15:29:40 -05:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2021-02-12 08:58:29 -06:00
|
|
|
vfs::loader::Message::Progress { n_total, n_done, config_version } => {
|
2021-04-06 06:16:35 -05:00
|
|
|
always!(config_version <= self.vfs_config_version);
|
|
|
|
|
|
|
|
self.vfs_progress_config_version = config_version;
|
2021-04-06 05:23:09 -05:00
|
|
|
self.vfs_progress_n_total = n_total;
|
|
|
|
self.vfs_progress_n_done = n_done;
|
2021-04-06 06:16:35 -05:00
|
|
|
|
2021-04-06 05:23:09 -05:00
|
|
|
let state = if n_done == 0 {
|
|
|
|
Progress::Begin
|
|
|
|
} else if n_done < n_total {
|
|
|
|
Progress::Report
|
2020-07-10 15:29:40 -05:00
|
|
|
} else {
|
2021-04-06 05:23:09 -05:00
|
|
|
assert_eq!(n_done, n_total);
|
|
|
|
Progress::End
|
|
|
|
};
|
|
|
|
self.report_progress(
|
2021-04-15 13:39:34 -05:00
|
|
|
"Roots Scanned",
|
2021-04-06 05:23:09 -05:00
|
|
|
state,
|
|
|
|
Some(format!("{}/{}", n_done, n_total)),
|
|
|
|
Some(Progress::fraction(n_done, n_total)),
|
|
|
|
)
|
2020-06-25 10:14:11 -05:00
|
|
|
}
|
|
|
|
}
|
2020-07-10 15:29:40 -05:00
|
|
|
// Coalesce many VFS event into a single loop turn
|
|
|
|
task = match self.loader.receiver.try_recv() {
|
|
|
|
Ok(task) => task,
|
|
|
|
Err(_) => break,
|
2020-07-01 06:05:34 -05:00
|
|
|
}
|
2020-06-25 12:01:16 -05:00
|
|
|
}
|
2020-07-10 15:29:40 -05:00
|
|
|
}
|
2020-11-27 15:52:22 -06:00
|
|
|
Event::Flycheck(mut task) => {
|
|
|
|
let _p = profile::span("GlobalState::handle_event/flycheck");
|
|
|
|
loop {
|
|
|
|
match task {
|
|
|
|
flycheck::Message::AddDiagnostic { workspace_root, diagnostic } => {
|
|
|
|
let diagnostics =
|
|
|
|
crate::diagnostics::to_proto::map_rust_diagnostic_to_lsp(
|
2021-01-06 04:54:28 -06:00
|
|
|
&self.config.diagnostics_map(),
|
2020-11-27 15:52:22 -06:00
|
|
|
&diagnostic,
|
|
|
|
&workspace_root,
|
|
|
|
);
|
|
|
|
for diag in diagnostics {
|
|
|
|
match url_to_file_id(&self.vfs.read().0, &diag.url) {
|
|
|
|
Ok(file_id) => self.diagnostics.add_check_diagnostic(
|
|
|
|
file_id,
|
|
|
|
diag.diagnostic,
|
|
|
|
diag.fixes,
|
|
|
|
),
|
|
|
|
Err(err) => {
|
2021-08-15 07:46:13 -05:00
|
|
|
tracing::error!(
|
2020-11-27 15:52:22 -06:00
|
|
|
"File with cargo diagnostic not found in VFS: {}",
|
|
|
|
err
|
|
|
|
);
|
|
|
|
}
|
|
|
|
};
|
2020-06-28 16:42:44 -05:00
|
|
|
}
|
2020-06-26 09:17:22 -05:00
|
|
|
}
|
2020-06-25 12:01:16 -05:00
|
|
|
|
2020-11-27 15:52:22 -06:00
|
|
|
flycheck::Message::Progress { id, progress } => {
|
|
|
|
let (state, message) = match progress {
|
|
|
|
flycheck::Progress::DidStart => {
|
|
|
|
self.diagnostics.clear_check();
|
|
|
|
(Progress::Begin, None)
|
|
|
|
}
|
|
|
|
flycheck::Progress::DidCheckCrate(target) => {
|
|
|
|
(Progress::Report, Some(target))
|
|
|
|
}
|
|
|
|
flycheck::Progress::DidCancel => (Progress::End, None),
|
|
|
|
flycheck::Progress::DidFinish(result) => {
|
|
|
|
if let Err(err) = result {
|
2021-08-15 07:46:13 -05:00
|
|
|
tracing::error!("cargo check failed: {}", err)
|
2020-11-27 15:52:22 -06:00
|
|
|
}
|
|
|
|
(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 {
|
|
|
|
"cargo check".to_string()
|
|
|
|
} else {
|
|
|
|
format!("cargo check (#{})", id + 1)
|
|
|
|
};
|
|
|
|
self.report_progress(&title, state, message, None);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// Coalesce many flycheck updates into a single loop turn
|
|
|
|
task = match self.flycheck_receiver.try_recv() {
|
|
|
|
Ok(task) => task,
|
|
|
|
Err(_) => break,
|
|
|
|
}
|
2020-06-25 10:14:11 -05:00
|
|
|
}
|
2020-11-27 15:52:22 -06:00
|
|
|
}
|
2020-06-25 12:01:16 -05:00
|
|
|
}
|
|
|
|
|
|
|
|
let state_changed = self.process_changes();
|
2021-07-26 13:18:22 -05:00
|
|
|
let memdocs_added_or_removed = self.mem_docs.take_changes();
|
2021-04-06 06:16:35 -05:00
|
|
|
|
2021-07-26 13:18:22 -05:00
|
|
|
if self.is_quiescent() {
|
|
|
|
if !was_quiescent {
|
|
|
|
for flycheck in &self.flycheck {
|
|
|
|
flycheck.update();
|
|
|
|
}
|
2021-08-30 11:39:19 -05:00
|
|
|
self.prime_caches_queue.request_op();
|
2020-06-25 10:14:11 -05:00
|
|
|
}
|
|
|
|
|
2021-07-26 13:18:22 -05:00
|
|
|
if !was_quiescent || state_changed {
|
|
|
|
// Refresh semantic tokens if the client supports it.
|
|
|
|
if self.config.semantic_tokens_refresh() {
|
|
|
|
self.semantic_tokens_cache.lock().clear();
|
|
|
|
self.send_request::<lsp_types::request::SemanticTokensRefesh>((), |_, _| ());
|
|
|
|
}
|
|
|
|
|
|
|
|
// Refresh code lens if the client supports it.
|
|
|
|
if self.config.code_lens_refresh() {
|
|
|
|
self.send_request::<lsp_types::request::CodeLensRefresh>((), |_, _| ());
|
|
|
|
}
|
2020-10-23 16:36:22 -05:00
|
|
|
}
|
2020-12-09 13:36:47 -06:00
|
|
|
|
2021-07-26 13:18:22 -05:00
|
|
|
if !was_quiescent || state_changed || memdocs_added_or_removed {
|
|
|
|
if self.config.publish_diagnostics() {
|
|
|
|
self.update_diagnostics()
|
|
|
|
}
|
2020-12-09 13:36:47 -06:00
|
|
|
}
|
2020-06-25 12:01:16 -05:00
|
|
|
}
|
2020-06-25 10:14:11 -05:00
|
|
|
|
2020-06-25 15:45:35 -05:00
|
|
|
if let Some(diagnostic_changes) = self.diagnostics.take_changes() {
|
|
|
|
for file_id in diagnostic_changes {
|
2021-08-06 09:14:54 -05:00
|
|
|
let db = self.analysis_host.raw_database();
|
|
|
|
let source_root = db.file_source_root(file_id);
|
|
|
|
if db.source_root(source_root).is_library {
|
|
|
|
// 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.
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
2020-06-25 15:45:35 -05:00
|
|
|
let url = file_id_to_url(&self.vfs.read().0, file_id);
|
|
|
|
let diagnostics = self.diagnostics.diagnostics_for(file_id).cloned().collect();
|
2020-07-21 13:07:42 -05:00
|
|
|
let version = from_proto::vfs_path(&url)
|
2020-11-16 14:10:13 -06:00
|
|
|
.map(|path| self.mem_docs.get(&path).map(|it| it.version))
|
2020-07-21 13:07:42 -05:00
|
|
|
.unwrap_or_default();
|
|
|
|
|
2020-06-26 10:07:14 -05:00
|
|
|
self.send_notification::<lsp_types::notification::PublishDiagnostics>(
|
2020-07-21 13:07:42 -05:00
|
|
|
lsp_types::PublishDiagnosticsParams { uri: url, diagnostics, version },
|
2020-06-26 10:07:14 -05:00
|
|
|
);
|
2020-06-25 15:45:35 -05:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-04-06 05:10:50 -05:00
|
|
|
if self.config.cargo_autoreload() {
|
2021-08-30 11:35:49 -05:00
|
|
|
if self.fetch_workspaces_queue.should_start_op() {
|
|
|
|
self.fetch_workspaces();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if self.fetch_build_data_queue.should_start_op() {
|
|
|
|
self.fetch_build_data();
|
2021-04-06 05:10:50 -05:00
|
|
|
}
|
2021-08-30 11:24:31 -05:00
|
|
|
if self.prime_caches_queue.should_start_op() {
|
|
|
|
self.task_pool.handle.spawn_with_sender({
|
|
|
|
let analysis = self.snapshot().analysis;
|
|
|
|
move |sender| {
|
|
|
|
sender.send(Task::PrimeCaches(PrimeCachesProgress::Begin)).unwrap();
|
|
|
|
let res = analysis.prime_caches(|progress| {
|
|
|
|
let report = PrimeCachesProgress::Report(progress);
|
|
|
|
sender.send(Task::PrimeCaches(report)).unwrap();
|
|
|
|
});
|
|
|
|
sender
|
|
|
|
.send(Task::PrimeCaches(PrimeCachesProgress::End {
|
|
|
|
cancelled: res.is_err(),
|
|
|
|
}))
|
|
|
|
.unwrap();
|
|
|
|
}
|
|
|
|
});
|
|
|
|
}
|
|
|
|
|
2021-08-30 11:35:49 -05:00
|
|
|
let status = self.current_status();
|
|
|
|
if self.last_reported_status.as_ref() != Some(&status) {
|
|
|
|
self.last_reported_status = Some(status.clone());
|
|
|
|
|
|
|
|
if let (lsp_ext::Health::Error, Some(message)) = (status.health, &status.message) {
|
|
|
|
self.show_message(lsp_types::MessageType::Error, message.clone());
|
|
|
|
}
|
|
|
|
|
|
|
|
if self.config.server_status_notification() {
|
|
|
|
self.send_notification::<lsp_ext::ServerStatusNotification>(status);
|
|
|
|
}
|
|
|
|
}
|
2021-04-06 06:16:35 -05:00
|
|
|
|
2020-06-25 12:01:16 -05:00
|
|
|
let loop_duration = loop_start.elapsed();
|
|
|
|
if loop_duration > Duration::from_millis(100) {
|
2021-08-15 07:46:13 -05:00
|
|
|
tracing::warn!("overly long loop turn: {:?}", loop_duration);
|
2021-08-22 09:41:09 -05:00
|
|
|
self.poke_rust_analyzer_developer(format!(
|
|
|
|
"overly long loop turn: {:?}",
|
|
|
|
loop_duration
|
|
|
|
));
|
2020-06-25 10:14:11 -05:00
|
|
|
}
|
2020-06-25 12:01:16 -05:00
|
|
|
Ok(())
|
2020-06-25 10:14:11 -05:00
|
|
|
}
|
|
|
|
|
|
|
|
fn on_request(&mut self, request_received: Instant, req: Request) -> Result<()> {
|
2020-06-26 10:07:14 -05:00
|
|
|
self.register_request(&req, request_received);
|
2020-06-25 12:23:52 -05:00
|
|
|
|
2020-08-09 15:27:48 -05:00
|
|
|
if self.shutdown_requested {
|
2021-07-19 15:40:20 -05:00
|
|
|
self.respond(lsp_server::Response::new_err(
|
2020-08-09 15:27:48 -05:00
|
|
|
req.id,
|
|
|
|
lsp_server::ErrorCode::InvalidRequest as i32,
|
|
|
|
"Shutdown already requested.".to_owned(),
|
|
|
|
));
|
|
|
|
|
|
|
|
return Ok(());
|
|
|
|
}
|
|
|
|
|
2021-04-06 06:16:35 -05:00
|
|
|
// Avoid flashing a bunch of unresolved references during initial load.
|
|
|
|
if self.workspaces.is_empty() && !self.is_quiescent() {
|
2020-08-08 13:53:38 -05:00
|
|
|
self.respond(lsp_server::Response::new_err(
|
|
|
|
req.id,
|
|
|
|
// FIXME: i32 should impl From<ErrorCode> (from() guarantees lossless conversion)
|
|
|
|
lsp_server::ErrorCode::ContentModified as i32,
|
2021-04-07 06:25:49 -05:00
|
|
|
"waiting for cargo metadata or cargo check".to_owned(),
|
2020-08-08 13:53:38 -05:00
|
|
|
));
|
|
|
|
return Ok(());
|
|
|
|
}
|
|
|
|
|
2020-06-25 12:23:52 -05:00
|
|
|
RequestDispatcher { req: Some(req), global_state: self }
|
2021-08-30 02:53:59 -05:00
|
|
|
.on_sync_mut::<lsp_ext::ReloadWorkspace>(|s, ()| {
|
2021-08-30 11:35:49 -05:00
|
|
|
s.fetch_workspaces_queue.request_op();
|
2021-04-06 05:23:09 -05:00
|
|
|
Ok(())
|
2021-04-06 05:10:50 -05:00
|
|
|
})?
|
2021-08-30 02:53:59 -05:00
|
|
|
.on_sync_mut::<lsp_types::request::Shutdown>(|s, ()| {
|
2020-08-09 15:27:48 -05:00
|
|
|
s.shutdown_requested = true;
|
|
|
|
Ok(())
|
|
|
|
})?
|
2021-08-30 02:53:59 -05:00
|
|
|
.on_sync_mut::<lsp_ext::MemoryUsage>(|s, p| handlers::handle_memory_usage(s, p))?
|
|
|
|
.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)?
|
2020-10-30 13:38:29 -05:00
|
|
|
.on::<lsp_ext::AnalyzerStatus>(handlers::handle_analyzer_status)
|
|
|
|
.on::<lsp_ext::SyntaxTree>(handlers::handle_syntax_tree)
|
2020-12-28 12:29:58 -06:00
|
|
|
.on::<lsp_ext::ViewHir>(handlers::handle_view_hir)
|
2021-05-11 09:15:31 -05:00
|
|
|
.on::<lsp_ext::ViewCrateGraph>(handlers::handle_view_crate_graph)
|
2021-05-21 16:59:52 -05:00
|
|
|
.on::<lsp_ext::ViewItemTree>(handlers::handle_view_item_tree)
|
2020-10-30 13:38:29 -05:00
|
|
|
.on::<lsp_ext::ExpandMacro>(handlers::handle_expand_macro)
|
|
|
|
.on::<lsp_ext::ParentModule>(handlers::handle_parent_module)
|
|
|
|
.on::<lsp_ext::Runnables>(handlers::handle_runnables)
|
2021-02-27 11:04:43 -06:00
|
|
|
.on::<lsp_ext::RelatedTests>(handlers::handle_related_tests)
|
2020-10-30 13:38:29 -05:00
|
|
|
.on::<lsp_ext::InlayHints>(handlers::handle_inlay_hints)
|
|
|
|
.on::<lsp_ext::CodeActionRequest>(handlers::handle_code_action)
|
2020-11-10 11:20:01 -06:00
|
|
|
.on::<lsp_ext::CodeActionResolveRequest>(handlers::handle_code_action_resolve)
|
2020-10-30 13:38:29 -05:00
|
|
|
.on::<lsp_ext::HoverRequest>(handlers::handle_hover)
|
|
|
|
.on::<lsp_ext::ExternalDocs>(handlers::handle_open_docs)
|
2020-11-12 19:48:07 -06:00
|
|
|
.on::<lsp_ext::OpenCargoToml>(handlers::handle_open_cargo_toml)
|
2021-03-16 07:37:00 -05:00
|
|
|
.on::<lsp_ext::MoveItem>(handlers::handle_move_item)
|
2021-02-23 06:03:31 -06:00
|
|
|
.on::<lsp_ext::WorkspaceSymbol>(handlers::handle_workspace_symbol)
|
2020-10-30 13:38:29 -05:00
|
|
|
.on::<lsp_types::request::OnTypeFormatting>(handlers::handle_on_type_formatting)
|
|
|
|
.on::<lsp_types::request::DocumentSymbolRequest>(handlers::handle_document_symbol)
|
|
|
|
.on::<lsp_types::request::GotoDefinition>(handlers::handle_goto_definition)
|
2021-06-22 13:43:48 -05:00
|
|
|
.on::<lsp_types::request::GotoDeclaration>(handlers::handle_goto_declaration)
|
2020-10-30 13:38:29 -05:00
|
|
|
.on::<lsp_types::request::GotoImplementation>(handlers::handle_goto_implementation)
|
|
|
|
.on::<lsp_types::request::GotoTypeDefinition>(handlers::handle_goto_type_definition)
|
2020-12-04 02:02:22 -06:00
|
|
|
.on::<lsp_types::request::Completion>(handlers::handle_completion)
|
|
|
|
.on::<lsp_types::request::ResolveCompletionItem>(handlers::handle_completion_resolve)
|
2020-10-30 13:38:29 -05:00
|
|
|
.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)
|
2021-05-04 16:13:51 -05:00
|
|
|
.on::<lsp_types::request::RangeFormatting>(handlers::handle_range_formatting)
|
2020-10-30 13:38:29 -05:00
|
|
|
.on::<lsp_types::request::DocumentHighlightRequest>(handlers::handle_document_highlight)
|
|
|
|
.on::<lsp_types::request::CallHierarchyPrepare>(handlers::handle_call_hierarchy_prepare)
|
2020-06-25 10:14:11 -05:00
|
|
|
.on::<lsp_types::request::CallHierarchyIncomingCalls>(
|
|
|
|
handlers::handle_call_hierarchy_incoming,
|
2020-10-30 13:38:29 -05:00
|
|
|
)
|
2020-06-25 10:14:11 -05:00
|
|
|
.on::<lsp_types::request::CallHierarchyOutgoingCalls>(
|
|
|
|
handlers::handle_call_hierarchy_outgoing,
|
2020-10-30 13:38:29 -05:00
|
|
|
)
|
2020-09-01 11:53:07 -05:00
|
|
|
.on::<lsp_types::request::SemanticTokensFullRequest>(
|
|
|
|
handlers::handle_semantic_tokens_full,
|
2020-10-30 13:38:29 -05:00
|
|
|
)
|
2020-09-01 11:53:07 -05:00
|
|
|
.on::<lsp_types::request::SemanticTokensFullDeltaRequest>(
|
|
|
|
handlers::handle_semantic_tokens_full_delta,
|
2020-10-30 13:38:29 -05:00
|
|
|
)
|
2020-06-25 10:14:11 -05:00
|
|
|
.on::<lsp_types::request::SemanticTokensRangeRequest>(
|
|
|
|
handlers::handle_semantic_tokens_range,
|
2020-10-30 13:38:29 -05:00
|
|
|
)
|
2020-12-22 13:19:51 -06:00
|
|
|
.on::<lsp_types::request::WillRenameFiles>(handlers::handle_will_rename_files)
|
2020-10-30 13:38:29 -05:00
|
|
|
.on::<lsp_ext::Ssr>(handlers::handle_ssr)
|
2020-06-25 10:14:11 -05:00
|
|
|
.finish();
|
|
|
|
Ok(())
|
|
|
|
}
|
|
|
|
fn on_notification(&mut self, not: Notification) -> Result<()> {
|
2020-06-25 10:50:47 -05:00
|
|
|
NotificationDispatcher { not: Some(not), global_state: self }
|
|
|
|
.on::<lsp_types::notification::Cancel>(|this, params| {
|
|
|
|
let id: lsp_server::RequestId = match params.id {
|
|
|
|
lsp_types::NumberOrString::Number(id) => id.into(),
|
|
|
|
lsp_types::NumberOrString::String(id) => id.into(),
|
2020-06-25 10:14:11 -05:00
|
|
|
};
|
2020-06-26 10:07:14 -05:00
|
|
|
this.cancel(id);
|
2020-06-25 10:50:47 -05:00
|
|
|
Ok(())
|
|
|
|
})?
|
2021-04-27 08:04:12 -05:00
|
|
|
.on::<lsp_types::notification::WorkDoneProgressCancel>(|_this, _params| {
|
|
|
|
// Just ignore this. It is OK to continue sending progress
|
|
|
|
// notifications for this token, as the client can't know when
|
|
|
|
// we accepted notification.
|
|
|
|
Ok(())
|
|
|
|
})?
|
2020-06-25 10:50:47 -05:00
|
|
|
.on::<lsp_types::notification::DidOpenTextDocument>(|this, params| {
|
2020-06-25 10:14:11 -05:00
|
|
|
if let Ok(path) = from_proto::vfs_path(¶ms.text_document.uri) {
|
2020-07-21 13:07:42 -05:00
|
|
|
if this
|
|
|
|
.mem_docs
|
2020-07-24 08:01:48 -05:00
|
|
|
.insert(path.clone(), DocumentData::new(params.text_document.version))
|
2021-07-26 12:16:47 -05:00
|
|
|
.is_err()
|
2020-07-21 13:07:42 -05:00
|
|
|
{
|
2021-08-15 07:46:13 -05:00
|
|
|
tracing::error!("duplicate DidOpenTextDocument: {}", path)
|
2020-06-25 10:14:11 -05:00
|
|
|
}
|
2021-07-26 13:18:22 -05:00
|
|
|
this.vfs
|
2020-06-25 10:14:11 -05:00
|
|
|
.write()
|
|
|
|
.0
|
|
|
|
.set_file_contents(path, Some(params.text_document.text.into_bytes()));
|
|
|
|
}
|
2020-06-25 10:50:47 -05:00
|
|
|
Ok(())
|
|
|
|
})?
|
|
|
|
.on::<lsp_types::notification::DidChangeTextDocument>(|this, params| {
|
2020-06-25 10:14:11 -05:00
|
|
|
if let Ok(path) = from_proto::vfs_path(¶ms.text_document.uri) {
|
2021-07-26 13:18:22 -05:00
|
|
|
match this.mem_docs.get_mut(&path) {
|
|
|
|
Some(doc) => {
|
|
|
|
// The version passed in DidChangeTextDocument is the version after all edits are applied
|
|
|
|
// so we should apply it before the vfs is notified.
|
|
|
|
doc.version = params.text_document.version;
|
|
|
|
}
|
2020-11-23 17:35:34 -06:00
|
|
|
None => {
|
2021-08-15 07:46:13 -05:00
|
|
|
tracing::error!("expected DidChangeTextDocument: {}", path);
|
2020-11-23 17:35:34 -06:00
|
|
|
return Ok(());
|
|
|
|
}
|
|
|
|
};
|
2021-07-26 13:18:22 -05:00
|
|
|
|
2020-06-25 10:50:47 -05:00
|
|
|
let vfs = &mut this.vfs.write().0;
|
2020-06-25 10:14:11 -05:00
|
|
|
let file_id = vfs.file_id(&path).unwrap();
|
|
|
|
let mut text = String::from_utf8(vfs.file_contents(file_id).to_vec()).unwrap();
|
2020-08-03 15:35:32 -05:00
|
|
|
apply_document_changes(&mut text, params.content_changes);
|
2020-07-21 13:07:42 -05:00
|
|
|
|
2021-07-27 04:28:58 -05:00
|
|
|
vfs.set_file_contents(path, Some(text.into_bytes()));
|
2020-06-25 10:14:11 -05:00
|
|
|
}
|
2020-06-25 10:50:47 -05:00
|
|
|
Ok(())
|
|
|
|
})?
|
|
|
|
.on::<lsp_types::notification::DidCloseTextDocument>(|this, params| {
|
2020-06-25 10:14:11 -05:00
|
|
|
if let Ok(path) = from_proto::vfs_path(¶ms.text_document.uri) {
|
2021-07-26 12:16:47 -05:00
|
|
|
if this.mem_docs.remove(&path).is_err() {
|
2021-08-15 07:46:13 -05:00
|
|
|
tracing::error!("orphan DidCloseTextDocument: {}", path);
|
2020-06-25 10:14:11 -05:00
|
|
|
}
|
2020-07-21 13:18:22 -05:00
|
|
|
|
2020-08-05 20:35:35 -05:00
|
|
|
this.semantic_tokens_cache.lock().remove(¶ms.text_document.uri);
|
2020-07-24 16:55:17 -05:00
|
|
|
|
2020-06-25 10:14:11 -05:00
|
|
|
if let Some(path) = path.as_path() {
|
2020-06-25 17:27:39 -05:00
|
|
|
this.loader.handle.invalidate(path.to_path_buf());
|
2020-06-25 10:14:11 -05:00
|
|
|
}
|
|
|
|
}
|
2020-06-25 10:50:47 -05:00
|
|
|
Ok(())
|
|
|
|
})?
|
2020-07-02 08:32:56 -05:00
|
|
|
.on::<lsp_types::notification::DidSaveTextDocument>(|this, params| {
|
2020-09-17 11:50:30 -05:00
|
|
|
for flycheck in &this.flycheck {
|
2020-07-15 07:37:44 -05:00
|
|
|
flycheck.update();
|
2020-06-25 10:14:11 -05:00
|
|
|
}
|
2020-07-10 11:48:39 -05:00
|
|
|
if let Ok(abs_path) = from_proto::abs_path(¶ms.text_document.uri) {
|
|
|
|
this.maybe_refresh(&[(abs_path, ChangeKind::Modify)]);
|
|
|
|
}
|
2020-06-25 10:50:47 -05:00
|
|
|
Ok(())
|
|
|
|
})?
|
|
|
|
.on::<lsp_types::notification::DidChangeConfiguration>(|this, _params| {
|
2020-06-25 10:14:11 -05:00
|
|
|
// As stated in https://github.com/microsoft/language-server-protocol/issues/676,
|
|
|
|
// this notification's parameters should be ignored and the actual config queried separately.
|
2020-06-26 10:07:14 -05:00
|
|
|
this.send_request::<lsp_types::request::WorkspaceConfiguration>(
|
2020-06-25 10:14:11 -05:00
|
|
|
lsp_types::ConfigurationParams {
|
|
|
|
items: vec![lsp_types::ConfigurationItem {
|
|
|
|
scope_uri: None,
|
|
|
|
section: Some("rust-analyzer".to_string()),
|
|
|
|
}],
|
|
|
|
},
|
|
|
|
|this, resp| {
|
2021-08-15 07:46:13 -05:00
|
|
|
tracing::debug!("config update response: '{:?}", resp);
|
2021-07-19 15:40:20 -05:00
|
|
|
let lsp_server::Response { error, result, .. } = resp;
|
2020-06-25 10:14:11 -05:00
|
|
|
|
|
|
|
match (error, result) {
|
|
|
|
(Some(err), _) => {
|
2021-08-15 07:46:13 -05:00
|
|
|
tracing::error!("failed to fetch the server settings: {:?}", err)
|
2020-06-25 10:14:11 -05:00
|
|
|
}
|
2020-07-09 17:28:12 -05:00
|
|
|
(None, Some(mut configs)) => {
|
|
|
|
if let Some(json) = configs.get_mut(0) {
|
2020-07-20 16:25:48 -05:00
|
|
|
// Note that json can be null according to the spec if the client can't
|
|
|
|
// provide a configuration. This is handled in Config::update below.
|
2021-01-06 06:46:31 -06:00
|
|
|
let mut config = Config::clone(&*this.config);
|
2020-07-09 17:28:12 -05:00
|
|
|
config.update(json.take());
|
2020-06-25 10:14:11 -05:00
|
|
|
this.update_configuration(config);
|
|
|
|
}
|
|
|
|
}
|
2021-08-15 07:46:13 -05:00
|
|
|
(None, None) => tracing::error!(
|
2020-06-25 10:14:11 -05:00
|
|
|
"received empty server settings response from the client"
|
|
|
|
),
|
|
|
|
}
|
|
|
|
},
|
|
|
|
);
|
|
|
|
|
2021-06-12 23:05:29 -05:00
|
|
|
Ok(())
|
2020-06-25 10:50:47 -05:00
|
|
|
})?
|
|
|
|
.on::<lsp_types::notification::DidChangeWatchedFiles>(|this, params| {
|
2020-06-25 10:14:11 -05:00
|
|
|
for change in params.changes {
|
|
|
|
if let Ok(path) = from_proto::abs_path(&change.uri) {
|
2020-06-25 17:27:39 -05:00
|
|
|
this.loader.handle.invalidate(path);
|
2020-06-25 10:14:11 -05:00
|
|
|
}
|
|
|
|
}
|
2020-06-25 10:50:47 -05:00
|
|
|
Ok(())
|
|
|
|
})?
|
|
|
|
.finish();
|
2020-06-25 10:14:11 -05:00
|
|
|
Ok(())
|
|
|
|
}
|
2021-07-26 13:18:22 -05:00
|
|
|
|
|
|
|
fn update_diagnostics(&mut self) {
|
2020-11-26 06:33:47 -06:00
|
|
|
let subscriptions = self
|
|
|
|
.mem_docs
|
2021-07-26 12:16:47 -05:00
|
|
|
.iter()
|
2021-06-12 22:54:16 -05:00
|
|
|
.map(|path| self.vfs.read().0.file_id(path).unwrap())
|
2020-11-26 06:33:47 -06:00
|
|
|
.collect::<Vec<_>>();
|
|
|
|
|
2021-08-15 07:46:13 -05:00
|
|
|
tracing::trace!("updating notifications for {:?}", subscriptions);
|
2021-07-26 13:18:22 -05:00
|
|
|
|
|
|
|
let snapshot = self.snapshot();
|
|
|
|
self.task_pool.handle.spawn(move || {
|
|
|
|
let diagnostics = subscriptions
|
|
|
|
.into_iter()
|
|
|
|
.filter_map(|file_id| {
|
|
|
|
handlers::publish_diagnostics(&snapshot, file_id)
|
|
|
|
.map_err(|err| {
|
|
|
|
if !is_cancelled(&*err) {
|
2021-08-15 07:46:13 -05:00
|
|
|
tracing::error!("failed to compute diagnostics: {:?}", err);
|
2021-07-26 13:18:22 -05:00
|
|
|
}
|
|
|
|
()
|
|
|
|
})
|
|
|
|
.ok()
|
|
|
|
.map(|diags| (file_id, diags))
|
|
|
|
})
|
|
|
|
.collect::<Vec<_>>();
|
|
|
|
Task::Diagnostics(diagnostics)
|
|
|
|
})
|
2019-08-31 06:47:37 -05:00
|
|
|
}
|
2018-09-01 09:40:45 -05:00
|
|
|
}
|