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-rw-r--r--crates/ra_cargo_watch/src/lib.rs74
-rw-r--r--crates/ra_lsp_server/src/main_loop.rs28
-rw-r--r--crates/ra_lsp_server/src/world.rs6
3 files changed, 64 insertions, 44 deletions
diff --git a/crates/ra_cargo_watch/src/lib.rs b/crates/ra_cargo_watch/src/lib.rs
index 20fa5a924..76fdc0031 100644
--- a/crates/ra_cargo_watch/src/lib.rs
+++ b/crates/ra_cargo_watch/src/lib.rs
@@ -38,7 +38,7 @@ pub struct CheckOptions {
38#[derive(Debug)] 38#[derive(Debug)]
39pub struct CheckWatcher { 39pub struct CheckWatcher {
40 pub task_recv: Receiver<CheckTask>, 40 pub task_recv: Receiver<CheckTask>,
41 pub shared: Arc<RwLock<CheckWatcherSharedState>>, 41 pub state: Arc<RwLock<CheckState>>,
42 cmd_send: Option<Sender<CheckCommand>>, 42 cmd_send: Option<Sender<CheckCommand>>,
43 handle: Option<JoinHandle<()>>, 43 handle: Option<JoinHandle<()>>,
44} 44}
@@ -46,22 +46,21 @@ pub struct CheckWatcher {
46impl CheckWatcher { 46impl CheckWatcher {
47 pub fn new(options: &CheckOptions, workspace_root: PathBuf) -> CheckWatcher { 47 pub fn new(options: &CheckOptions, workspace_root: PathBuf) -> CheckWatcher {
48 let options = options.clone(); 48 let options = options.clone();
49 let shared = Arc::new(RwLock::new(CheckWatcherSharedState::new())); 49 let state = Arc::new(RwLock::new(CheckState::new()));
50 50
51 let (task_send, task_recv) = unbounded::<CheckTask>(); 51 let (task_send, task_recv) = unbounded::<CheckTask>();
52 let (cmd_send, cmd_recv) = unbounded::<CheckCommand>(); 52 let (cmd_send, cmd_recv) = unbounded::<CheckCommand>();
53 let shared_ = shared.clone();
54 let handle = std::thread::spawn(move || { 53 let handle = std::thread::spawn(move || {
55 let mut check = CheckWatcherState::new(options, workspace_root, shared_); 54 let mut check = CheckWatcherState::new(options, workspace_root);
56 check.run(&task_send, &cmd_recv); 55 check.run(&task_send, &cmd_recv);
57 }); 56 });
58 CheckWatcher { task_recv, cmd_send: Some(cmd_send), handle: Some(handle), shared } 57 CheckWatcher { task_recv, cmd_send: Some(cmd_send), handle: Some(handle), state }
59 } 58 }
60 59
61 /// Returns a CheckWatcher that doesn't actually do anything 60 /// Returns a CheckWatcher that doesn't actually do anything
62 pub fn dummy() -> CheckWatcher { 61 pub fn dummy() -> CheckWatcher {
63 let shared = Arc::new(RwLock::new(CheckWatcherSharedState::new())); 62 let state = Arc::new(RwLock::new(CheckState::new()));
64 CheckWatcher { task_recv: never(), cmd_send: None, handle: None, shared } 63 CheckWatcher { task_recv: never(), cmd_send: None, handle: None, state }
65 } 64 }
66 65
67 /// Schedule a re-start of the cargo check worker. 66 /// Schedule a re-start of the cargo check worker.
@@ -89,14 +88,14 @@ impl std::ops::Drop for CheckWatcher {
89} 88}
90 89
91#[derive(Debug)] 90#[derive(Debug)]
92pub struct CheckWatcherSharedState { 91pub struct CheckState {
93 diagnostic_collection: HashMap<Url, Vec<Diagnostic>>, 92 diagnostic_collection: HashMap<Url, Vec<Diagnostic>>,
94 suggested_fix_collection: HashMap<Url, Vec<SuggestedFix>>, 93 suggested_fix_collection: HashMap<Url, Vec<SuggestedFix>>,
95} 94}
96 95
97impl CheckWatcherSharedState { 96impl CheckState {
98 fn new() -> CheckWatcherSharedState { 97 fn new() -> CheckState {
99 CheckWatcherSharedState { 98 CheckState {
100 diagnostic_collection: HashMap::new(), 99 diagnostic_collection: HashMap::new(),
101 suggested_fix_collection: HashMap::new(), 100 suggested_fix_collection: HashMap::new(),
102 } 101 }
@@ -104,15 +103,11 @@ impl CheckWatcherSharedState {
104 103
105 /// Clear the cached diagnostics, and schedule updating diagnostics by the 104 /// Clear the cached diagnostics, and schedule updating diagnostics by the
106 /// server, to clear stale results. 105 /// server, to clear stale results.
107 pub fn clear(&mut self, task_send: &Sender<CheckTask>) { 106 pub fn clear(&mut self) -> Vec<Url> {
108 let cleared_files: Vec<Url> = self.diagnostic_collection.keys().cloned().collect(); 107 let cleared_files: Vec<Url> = self.diagnostic_collection.keys().cloned().collect();
109
110 self.diagnostic_collection.clear(); 108 self.diagnostic_collection.clear();
111 self.suggested_fix_collection.clear(); 109 self.suggested_fix_collection.clear();
112 110 cleared_files
113 for uri in cleared_files {
114 task_send.send(CheckTask::Update(uri.clone())).unwrap();
115 }
116 } 111 }
117 112
118 pub fn diagnostics_for(&self, uri: &Url) -> Option<&[Diagnostic]> { 113 pub fn diagnostics_for(&self, uri: &Url) -> Option<&[Diagnostic]> {
@@ -123,6 +118,13 @@ impl CheckWatcherSharedState {
123 self.suggested_fix_collection.get(uri).map(|d| d.as_slice()) 118 self.suggested_fix_collection.get(uri).map(|d| d.as_slice())
124 } 119 }
125 120
121 pub fn add_diagnostic_with_fixes(&mut self, file_uri: Url, diagnostic: DiagnosticWithFixes) {
122 for fix in diagnostic.suggested_fixes {
123 self.add_suggested_fix_for_diagnostic(fix, &diagnostic.diagnostic);
124 }
125 self.add_diagnostic(file_uri, diagnostic.diagnostic);
126 }
127
126 fn add_diagnostic(&mut self, file_uri: Url, diagnostic: Diagnostic) { 128 fn add_diagnostic(&mut self, file_uri: Url, diagnostic: Diagnostic) {
127 let diagnostics = self.diagnostic_collection.entry(file_uri).or_default(); 129 let diagnostics = self.diagnostic_collection.entry(file_uri).or_default();
128 130
@@ -158,8 +160,11 @@ impl CheckWatcherSharedState {
158 160
159#[derive(Debug)] 161#[derive(Debug)]
160pub enum CheckTask { 162pub enum CheckTask {
161 /// Request a update of the given files diagnostics 163 /// Request a clearing of all cached diagnostics from the check watcher
162 Update(Url), 164 ClearDiagnostics,
165
166 /// Request adding a diagnostic with fixes included to a file
167 AddDiagnostic(Url, DiagnosticWithFixes),
163 168
164 /// Request check progress notification to client 169 /// Request check progress notification to client
165 Status(WorkDoneProgress), 170 Status(WorkDoneProgress),
@@ -175,21 +180,15 @@ struct CheckWatcherState {
175 workspace_root: PathBuf, 180 workspace_root: PathBuf,
176 watcher: WatchThread, 181 watcher: WatchThread,
177 last_update_req: Option<Instant>, 182 last_update_req: Option<Instant>,
178 shared: Arc<RwLock<CheckWatcherSharedState>>,
179} 183}
180 184
181impl CheckWatcherState { 185impl CheckWatcherState {
182 fn new( 186 fn new(options: CheckOptions, workspace_root: PathBuf) -> CheckWatcherState {
183 options: CheckOptions,
184 workspace_root: PathBuf,
185 shared: Arc<RwLock<CheckWatcherSharedState>>,
186 ) -> CheckWatcherState {
187 CheckWatcherState { 187 CheckWatcherState {
188 options, 188 options,
189 workspace_root, 189 workspace_root,
190 watcher: WatchThread::dummy(), 190 watcher: WatchThread::dummy(),
191 last_update_req: None, 191 last_update_req: None,
192 shared,
193 } 192 }
194 } 193 }
195 194
@@ -215,7 +214,7 @@ impl CheckWatcherState {
215 214
216 if self.should_recheck() { 215 if self.should_recheck() {
217 self.last_update_req.take(); 216 self.last_update_req.take();
218 self.shared.write().clear(task_send); 217 task_send.send(CheckTask::ClearDiagnostics).unwrap();
219 218
220 // By replacing the watcher, we drop the previous one which 219 // By replacing the watcher, we drop the previous one which
221 // causes it to shut down automatically. 220 // causes it to shut down automatically.
@@ -240,7 +239,7 @@ impl CheckWatcherState {
240 } 239 }
241 } 240 }
242 241
243 fn handle_message(&mut self, msg: CheckEvent, task_send: &Sender<CheckTask>) { 242 fn handle_message(&self, msg: CheckEvent, task_send: &Sender<CheckTask>) {
244 match msg { 243 match msg {
245 CheckEvent::Begin => { 244 CheckEvent::Begin => {
246 task_send 245 task_send
@@ -279,18 +278,9 @@ impl CheckWatcherState {
279 }; 278 };
280 279
281 let MappedRustDiagnostic { location, diagnostic, suggested_fixes } = map_result; 280 let MappedRustDiagnostic { location, diagnostic, suggested_fixes } = map_result;
282 let file_uri = location.uri.clone();
283 281
284 if !suggested_fixes.is_empty() { 282 let diagnostic = DiagnosticWithFixes { diagnostic, suggested_fixes };
285 for suggested_fix in suggested_fixes { 283 task_send.send(CheckTask::AddDiagnostic(location.uri, diagnostic)).unwrap();
286 self.shared
287 .write()
288 .add_suggested_fix_for_diagnostic(suggested_fix, &diagnostic);
289 }
290 }
291 self.shared.write().add_diagnostic(file_uri, diagnostic);
292
293 task_send.send(CheckTask::Update(location.uri)).unwrap();
294 } 284 }
295 285
296 CheckEvent::Msg(Message::BuildScriptExecuted(_msg)) => {} 286 CheckEvent::Msg(Message::BuildScriptExecuted(_msg)) => {}
@@ -299,6 +289,12 @@ impl CheckWatcherState {
299 } 289 }
300} 290}
301 291
292#[derive(Debug)]
293pub struct DiagnosticWithFixes {
294 diagnostic: Diagnostic,
295 suggested_fixes: Vec<SuggestedFix>,
296}
297
302/// WatchThread exists to wrap around the communication needed to be able to 298/// WatchThread exists to wrap around the communication needed to be able to
303/// run `cargo check` without blocking. Currently the Rust standard library 299/// run `cargo check` without blocking. Currently the Rust standard library
304/// doesn't provide a way to read sub-process output without blocking, so we 300/// doesn't provide a way to read sub-process output without blocking, so we
diff --git a/crates/ra_lsp_server/src/main_loop.rs b/crates/ra_lsp_server/src/main_loop.rs
index 84012b99d..e087c4f7e 100644
--- a/crates/ra_lsp_server/src/main_loop.rs
+++ b/crates/ra_lsp_server/src/main_loop.rs
@@ -337,11 +337,34 @@ fn loop_turn(
337 loop_state.in_flight_libraries -= 1; 337 loop_state.in_flight_libraries -= 1;
338 } 338 }
339 Event::CheckWatcher(task) => match task { 339 Event::CheckWatcher(task) => match task {
340 CheckTask::Update(uri) => { 340 CheckTask::ClearDiagnostics => {
341 let cleared_files = world_state.check_watcher.state.write().clear();
342
343 // Send updated diagnostics for each cleared file
344 for url in cleared_files {
345 let path = url.to_file_path().map_err(|()| format!("invalid uri: {}", url))?;
346 if let Some(file_id) = world_state.vfs.read().path2file(&path) {
347 let params = handlers::publish_diagnostics(
348 &world_state.snapshot(),
349 FileId(file_id.0),
350 )?;
351 let not = notification_new::<req::PublishDiagnostics>(params);
352 task_sender.send(Task::Notify(not)).unwrap();
353 }
354 }
355 }
356
357 CheckTask::AddDiagnostic(url, diagnostic) => {
358 world_state
359 .check_watcher
360 .state
361 .write()
362 .add_diagnostic_with_fixes(url.clone(), diagnostic);
363
341 // We manually send a diagnostic update when the watcher asks 364 // We manually send a diagnostic update when the watcher asks
342 // us to, to avoid the issue of having to change the file to 365 // us to, to avoid the issue of having to change the file to
343 // receive updated diagnostics. 366 // receive updated diagnostics.
344 let path = uri.to_file_path().map_err(|()| format!("invalid uri: {}", uri))?; 367 let path = url.to_file_path().map_err(|()| format!("invalid uri: {}", url))?;
345 if let Some(file_id) = world_state.vfs.read().path2file(&path) { 368 if let Some(file_id) = world_state.vfs.read().path2file(&path) {
346 let params = 369 let params =
347 handlers::publish_diagnostics(&world_state.snapshot(), FileId(file_id.0))?; 370 handlers::publish_diagnostics(&world_state.snapshot(), FileId(file_id.0))?;
@@ -349,6 +372,7 @@ fn loop_turn(
349 task_sender.send(Task::Notify(not)).unwrap(); 372 task_sender.send(Task::Notify(not)).unwrap();
350 } 373 }
351 } 374 }
375
352 CheckTask::Status(progress) => { 376 CheckTask::Status(progress) => {
353 let params = req::ProgressParams { 377 let params = req::ProgressParams {
354 token: req::ProgressToken::String("rustAnalyzer/cargoWatcher".to_string()), 378 token: req::ProgressToken::String("rustAnalyzer/cargoWatcher".to_string()),
diff --git a/crates/ra_lsp_server/src/world.rs b/crates/ra_lsp_server/src/world.rs
index c0175c726..7a3030a51 100644
--- a/crates/ra_lsp_server/src/world.rs
+++ b/crates/ra_lsp_server/src/world.rs
@@ -13,7 +13,7 @@ use lsp_server::ErrorCode;
13use lsp_types::Url; 13use lsp_types::Url;
14use parking_lot::RwLock; 14use parking_lot::RwLock;
15use ra_cargo_watch::{ 15use ra_cargo_watch::{
16 url_from_path_with_drive_lowercasing, CheckOptions, CheckWatcher, CheckWatcherSharedState, 16 url_from_path_with_drive_lowercasing, CheckOptions, CheckState, CheckWatcher,
17}; 17};
18use ra_ide::{ 18use ra_ide::{
19 Analysis, AnalysisChange, AnalysisHost, CrateGraph, FeatureFlags, FileId, LibraryData, 19 Analysis, AnalysisChange, AnalysisHost, CrateGraph, FeatureFlags, FileId, LibraryData,
@@ -64,7 +64,7 @@ pub struct WorldSnapshot {
64 pub analysis: Analysis, 64 pub analysis: Analysis,
65 pub vfs: Arc<RwLock<Vfs>>, 65 pub vfs: Arc<RwLock<Vfs>>,
66 pub latest_requests: Arc<RwLock<LatestRequests>>, 66 pub latest_requests: Arc<RwLock<LatestRequests>>,
67 pub check_watcher: Arc<RwLock<CheckWatcherSharedState>>, 67 pub check_watcher: Arc<RwLock<CheckState>>,
68} 68}
69 69
70impl WorldState { 70impl WorldState {
@@ -220,7 +220,7 @@ impl WorldState {
220 analysis: self.analysis_host.analysis(), 220 analysis: self.analysis_host.analysis(),
221 vfs: Arc::clone(&self.vfs), 221 vfs: Arc::clone(&self.vfs),
222 latest_requests: Arc::clone(&self.latest_requests), 222 latest_requests: Arc::clone(&self.latest_requests),
223 check_watcher: self.check_watcher.shared.clone(), 223 check_watcher: self.check_watcher.state.clone(),
224 } 224 }
225 } 225 }
226 226