Unnamed repository; edit this file 'description' to name the repository.
| -rw-r--r-- | crates/rust-analyzer/src/main_loop.rs | 381 |
1 files changed, 192 insertions, 189 deletions
diff --git a/crates/rust-analyzer/src/main_loop.rs b/crates/rust-analyzer/src/main_loop.rs index b504c24878..92b6be22e7 100644 --- a/crates/rust-analyzer/src/main_loop.rs +++ b/crates/rust-analyzer/src/main_loop.rs @@ -9,6 +9,7 @@ use std::{ use always_assert::always; use crossbeam_channel::{select, Receiver}; +use flycheck::FlycheckHandle; use ide_db::base_db::{SourceDatabase, SourceDatabaseExt, VfsPath}; use itertools::Itertools; use lsp_server::{Connection, Notification, Request}; @@ -205,81 +206,14 @@ impl GlobalState { } lsp_server::Message::Response(resp) => self.complete_request(resp), }, - Event::Task(mut task) => { + Event::Task(task) => { let _p = profile::span("GlobalState::handle_event/task"); let mut prime_caches_progress = Vec::new(); - loop { - match task { - Task::Response(response) => self.respond(response), - Task::Retry(req) => self.on_request(req), - Task::Diagnostics(diagnostics_per_file) => { - for (file_id, diagnostics) in diagnostics_per_file { - self.diagnostics.set_native_diagnostics(file_id, diagnostics) - } - } - Task::PrimeCaches(progress) => match progress { - PrimeCachesProgress::Begin => prime_caches_progress.push(progress), - PrimeCachesProgress::Report(_) => { - match prime_caches_progress.last_mut() { - Some(last @ PrimeCachesProgress::Report(_)) => { - // Coalesce subsequent update events. - *last = progress; - } - _ => prime_caches_progress.push(progress), - } - } - PrimeCachesProgress::End { .. } => prime_caches_progress.push(progress), - }, - Task::FetchWorkspace(progress) => { - let (state, msg) = match progress { - ProjectWorkspaceProgress::Begin => (Progress::Begin, None), - ProjectWorkspaceProgress::Report(msg) => { - (Progress::Report, Some(msg)) - } - ProjectWorkspaceProgress::End(workspaces) => { - self.fetch_workspaces_queue.op_completed(workspaces); - - let old = Arc::clone(&self.workspaces); - self.switch_workspaces("fetched workspace".to_string()); - let workspaces_updated = !Arc::ptr_eq(&old, &self.workspaces); - - if self.config.run_build_scripts() && workspaces_updated { - self.fetch_build_data_queue - .request_op(format!("workspace updated")); - } - - (Progress::End, None) - } - }; - self.report_progress("Fetching", state, msg, None); - } - Task::FetchBuildData(progress) => { - let (state, msg) = match progress { - BuildDataProgress::Begin => (Some(Progress::Begin), None), - BuildDataProgress::Report(msg) => { - (Some(Progress::Report), Some(msg)) - } - BuildDataProgress::End(build_data_result) => { - self.fetch_build_data_queue.op_completed(build_data_result); - - self.switch_workspaces("fetched build data".to_string()); - - (Some(Progress::End), None) - } - }; - - if let Some(state) = state { - self.report_progress("Loading", state, msg, None); - } - } - } - - // Coalesce multiple task events into one loop turn - task = match self.task_pool.receiver.try_recv() { - Ok(task) => task, - Err(_) => break, - }; + self.handle_task(&mut prime_caches_progress, task); + // Coalesce multiple task events into one loop turn + while let Ok(task) = self.task_pool.receiver.try_recv() { + self.handle_task(&mut prime_caches_progress, task); } for progress in prime_caches_progress { @@ -326,119 +260,20 @@ impl GlobalState { self.report_progress("Indexing", state, message, Some(fraction)); } } - Event::Vfs(mut task) => { + Event::Vfs(message) => { let _p = profile::span("GlobalState::handle_event/vfs"); - 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); - 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; - - 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)), - ) - } - } - // Coalesce many VFS event into a single loop turn - task = match self.loader.receiver.try_recv() { - Ok(task) => task, - Err(_) => break, - } + self.handle_vfs_msg(message); + // Coalesce many VFS event into a single loop turn + while let Ok(message) = self.loader.receiver.try_recv() { + self.handle_vfs_msg(message); } } - Event::Flycheck(mut task) => { + Event::Flycheck(message) => { let _p = profile::span("GlobalState::handle_event/flycheck"); - loop { - match task { - 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!( - "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::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 { - match self.config.flycheck() { - Some(config) => format!("{}", config), - None => "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, - } + self.handle_flycheck_msg(message); + // Coalesce many flycheck updates into a single loop turn + while let Ok(message) = self.flycheck_receiver.try_recv() { + self.handle_flycheck_msg(message); } } } @@ -447,13 +282,13 @@ impl GlobalState { let memdocs_added_or_removed = self.mem_docs.take_changes(); if self.is_quiescent() { - if !was_quiescent - && !self.fetch_workspaces_queue.op_requested() - && !self.fetch_build_data_queue.op_requested() - { - for flycheck in &self.flycheck { - flycheck.update(); - } + let became_quiescent = !(was_quiescent + || self.fetch_workspaces_queue.op_requested() + || self.fetch_build_data_queue.op_requested()); + + if became_quiescent { + // Project has loaded properly, kick off initial flycheck + self.flycheck.iter().for_each(FlycheckHandle::update); if self.config.prefill_caches() { self.prime_caches_queue.request_op("became quiescent".to_string()); } @@ -495,8 +330,9 @@ impl GlobalState { let url = file_id_to_url(&self.vfs.read().0, file_id); let mut diagnostics = self.diagnostics.diagnostics_for(file_id).cloned().collect::<Vec<_>>(); - // https://github.com/rust-lang/rust-analyzer/issues/11404 for d in &mut diagnostics { + // https://github.com/rust-lang/rust-analyzer/issues/11404 + // FIXME: We should move this workaround into the client code if d.message.is_empty() { d.message = " ".to_string(); } @@ -575,11 +411,171 @@ impl GlobalState { Ok(()) } + fn handle_task(&mut self, prime_caches_progress: &mut Vec<PrimeCachesProgress>, task: Task) { + match task { + Task::Response(response) => self.respond(response), + Task::Retry(req) => self.on_request(req), + Task::Diagnostics(diagnostics_per_file) => { + for (file_id, diagnostics) in diagnostics_per_file { + self.diagnostics.set_native_diagnostics(file_id, diagnostics) + } + } + Task::PrimeCaches(progress) => match progress { + PrimeCachesProgress::Begin => prime_caches_progress.push(progress), + PrimeCachesProgress::Report(_) => { + match prime_caches_progress.last_mut() { + Some(last @ PrimeCachesProgress::Report(_)) => { + // Coalesce subsequent update events. + *last = progress; + } + _ => prime_caches_progress.push(progress), + } + } + PrimeCachesProgress::End { .. } => prime_caches_progress.push(progress), + }, + Task::FetchWorkspace(progress) => { + let (state, msg) = match progress { + ProjectWorkspaceProgress::Begin => (Progress::Begin, None), + ProjectWorkspaceProgress::Report(msg) => (Progress::Report, Some(msg)), + ProjectWorkspaceProgress::End(workspaces) => { + self.fetch_workspaces_queue.op_completed(workspaces); + + let old = Arc::clone(&self.workspaces); + self.switch_workspaces("fetched workspace".to_string()); + let workspaces_updated = !Arc::ptr_eq(&old, &self.workspaces); + + if self.config.run_build_scripts() && workspaces_updated { + self.fetch_build_data_queue.request_op(format!("workspace updated")); + } + + (Progress::End, None) + } + }; + + self.report_progress("Fetching", state, msg, None); + } + Task::FetchBuildData(progress) => { + let (state, msg) = match progress { + BuildDataProgress::Begin => (Some(Progress::Begin), None), + BuildDataProgress::Report(msg) => (Some(Progress::Report), Some(msg)), + BuildDataProgress::End(build_data_result) => { + self.fetch_build_data_queue.op_completed(build_data_result); + + self.switch_workspaces("fetched build data".to_string()); + + (Some(Progress::End), None) + } + }; + + if let Some(state) = state { + self.report_progress("Loading", state, msg, 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; + + 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)), + ) + } + } + } + + 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!("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::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 { + match self.config.flycheck() { + Some(config) => format!("{}", config), + None => "cargo check".to_string(), + } + } else { + format!("cargo check (#{})", id + 1) + }; + self.report_progress(&title, state, message, None); + } + } + } + + /// 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) { if self.shutdown_requested { self.respond(lsp_server::Response::new_err( @@ -670,6 +666,7 @@ impl GlobalState { .finish(); } + /// Handles an incoming notification. fn on_notification(&mut self, not: Notification) -> Result<()> { NotificationDispatcher { not: Some(not), global_state: self } .on::<lsp_types::notification::Cancel>(|this, params| { @@ -743,6 +740,8 @@ impl GlobalState { let mut updated = false; if let Ok(vfs_path) = from_proto::vfs_path(¶ms.text_document.uri) { let (vfs, _) = &*this.vfs.read(); + + // Trigger flychecks for all workspaces that depend on the saved file if let Some(file_id) = vfs.file_id(&vfs_path) { let analysis = this.analysis_host.analysis(); // Crates containing or depending on the saved file @@ -800,6 +799,8 @@ impl GlobalState { } } } + + // Re-fetch workspaces if a workspace related file has changed if let Some(abs_path) = vfs_path.as_path() { if reload::should_refresh_for_change(&abs_path, ChangeKind::Modify) { this.fetch_workspaces_queue @@ -807,6 +808,8 @@ impl GlobalState { } } } + + // No specific flycheck was triggered, so let's trigger all of them. if !updated { for flycheck in &this.flycheck { flycheck.update(); |