1 //! Book keeping for keeping diagnostics easily in sync with the client.
2 pub(crate) mod to_proto;
4 use std::{mem, sync::Arc};
7 use rustc_hash::{FxHashMap, FxHashSet};
11 pub(crate) type CheckFixes = Arc<FxHashMap<usize, FxHashMap<FileId, Vec<Fix>>>>;
13 #[derive(Debug, Default, Clone)]
14 pub struct DiagnosticsMapConfig {
15 pub remap_prefix: FxHashMap<String, String>,
16 pub warnings_as_info: Vec<String>,
17 pub warnings_as_hint: Vec<String>,
20 #[derive(Debug, Default, Clone)]
21 pub(crate) struct DiagnosticCollection {
22 // FIXME: should be FxHashMap<FileId, Vec<ra_id::Diagnostic>>
23 pub(crate) native: FxHashMap<FileId, Vec<lsp_types::Diagnostic>>,
24 // FIXME: should be Vec<flycheck::Diagnostic>
25 pub(crate) check: FxHashMap<usize, FxHashMap<FileId, Vec<lsp_types::Diagnostic>>>,
26 pub(crate) check_fixes: CheckFixes,
27 changes: FxHashSet<FileId>,
30 #[derive(Debug, Clone)]
31 pub(crate) struct Fix {
32 // Fixes may be triggerable from multiple ranges.
33 pub(crate) ranges: Vec<lsp_types::Range>,
34 pub(crate) action: lsp_ext::CodeAction,
37 impl DiagnosticCollection {
38 pub(crate) fn clear_check(&mut self, flycheck_id: usize) {
39 if let Some(it) = Arc::make_mut(&mut self.check_fixes).get_mut(&flycheck_id) {
42 if let Some(it) = self.check.get_mut(&flycheck_id) {
43 self.changes.extend(it.drain().map(|(key, _value)| key));
47 pub(crate) fn clear_check_all(&mut self) {
48 Arc::make_mut(&mut self.check_fixes).clear();
50 .extend(self.check.values_mut().flat_map(|it| it.drain().map(|(key, _value)| key)))
53 pub(crate) fn clear_native_for(&mut self, file_id: FileId) {
54 self.native.remove(&file_id);
55 self.changes.insert(file_id);
58 pub(crate) fn add_check_diagnostic(
62 diagnostic: lsp_types::Diagnostic,
65 let diagnostics = self.check.entry(flycheck_id).or_default().entry(file_id).or_default();
66 for existing_diagnostic in diagnostics.iter() {
67 if are_diagnostics_equal(existing_diagnostic, &diagnostic) {
72 let check_fixes = Arc::make_mut(&mut self.check_fixes);
73 check_fixes.entry(flycheck_id).or_default().entry(file_id).or_default().extend(fix);
74 diagnostics.push(diagnostic);
75 self.changes.insert(file_id);
78 pub(crate) fn set_native_diagnostics(
81 diagnostics: Vec<lsp_types::Diagnostic>,
83 if let Some(existing_diagnostics) = self.native.get(&file_id) {
84 if existing_diagnostics.len() == diagnostics.len()
87 .zip(existing_diagnostics)
88 .all(|(new, existing)| are_diagnostics_equal(new, existing))
94 self.native.insert(file_id, diagnostics);
95 self.changes.insert(file_id);
98 pub(crate) fn diagnostics_for(
101 ) -> impl Iterator<Item = &lsp_types::Diagnostic> {
102 let native = self.native.get(&file_id).into_iter().flatten();
104 self.check.values().filter_map(move |it| it.get(&file_id)).into_iter().flatten();
108 pub(crate) fn take_changes(&mut self) -> Option<FxHashSet<FileId>> {
109 if self.changes.is_empty() {
112 Some(mem::take(&mut self.changes))
116 fn are_diagnostics_equal(left: &lsp_types::Diagnostic, right: &lsp_types::Diagnostic) -> bool {
117 left.source == right.source
118 && left.severity == right.severity
119 && left.range == right.range
120 && left.message == right.message