1 //! Book keeping for keeping diagnostics easily in sync with the client.
2 pub(crate) mod to_proto;
4 use std::{mem, sync::Arc};
8 use stdx::hash::{NoHashHashMap, NoHashHashSet};
12 pub(crate) type CheckFixes = Arc<NoHashHashMap<usize, NoHashHashMap<FileId, Vec<Fix>>>>;
14 #[derive(Debug, Default, Clone)]
15 pub struct DiagnosticsMapConfig {
16 pub remap_prefix: FxHashMap<String, String>,
17 pub warnings_as_info: Vec<String>,
18 pub warnings_as_hint: Vec<String>,
21 #[derive(Debug, Default, Clone)]
22 pub(crate) struct DiagnosticCollection {
23 // FIXME: should be NoHashHashMap<FileId, Vec<ra_id::Diagnostic>>
24 pub(crate) native: NoHashHashMap<FileId, Vec<lsp_types::Diagnostic>>,
25 // FIXME: should be Vec<flycheck::Diagnostic>
26 pub(crate) check: NoHashHashMap<usize, NoHashHashMap<FileId, Vec<lsp_types::Diagnostic>>>,
27 pub(crate) check_fixes: CheckFixes,
28 changes: NoHashHashSet<FileId>,
31 #[derive(Debug, Clone)]
32 pub(crate) struct Fix {
33 // Fixes may be triggerable from multiple ranges.
34 pub(crate) ranges: Vec<lsp_types::Range>,
35 pub(crate) action: lsp_ext::CodeAction,
38 impl DiagnosticCollection {
39 pub(crate) fn clear_check(&mut self, flycheck_id: usize) {
40 if let Some(it) = Arc::make_mut(&mut self.check_fixes).get_mut(&flycheck_id) {
43 if let Some(it) = self.check.get_mut(&flycheck_id) {
44 self.changes.extend(it.drain().map(|(key, _value)| key));
48 pub(crate) fn clear_check_all(&mut self) {
49 Arc::make_mut(&mut self.check_fixes).clear();
51 .extend(self.check.values_mut().flat_map(|it| it.drain().map(|(key, _value)| key)))
54 pub(crate) fn clear_native_for(&mut self, file_id: FileId) {
55 self.native.remove(&file_id);
56 self.changes.insert(file_id);
59 pub(crate) fn add_check_diagnostic(
63 diagnostic: lsp_types::Diagnostic,
66 let diagnostics = self.check.entry(flycheck_id).or_default().entry(file_id).or_default();
67 for existing_diagnostic in diagnostics.iter() {
68 if are_diagnostics_equal(existing_diagnostic, &diagnostic) {
73 let check_fixes = Arc::make_mut(&mut self.check_fixes);
74 check_fixes.entry(flycheck_id).or_default().entry(file_id).or_default().extend(fix);
75 diagnostics.push(diagnostic);
76 self.changes.insert(file_id);
79 pub(crate) fn set_native_diagnostics(
82 diagnostics: Vec<lsp_types::Diagnostic>,
84 if let Some(existing_diagnostics) = self.native.get(&file_id) {
85 if existing_diagnostics.len() == diagnostics.len()
88 .zip(existing_diagnostics)
89 .all(|(new, existing)| are_diagnostics_equal(new, existing))
95 self.native.insert(file_id, diagnostics);
96 self.changes.insert(file_id);
99 pub(crate) fn diagnostics_for(
102 ) -> impl Iterator<Item = &lsp_types::Diagnostic> {
103 let native = self.native.get(&file_id).into_iter().flatten();
104 let check = self.check.values().filter_map(move |it| it.get(&file_id)).flatten();
108 pub(crate) fn take_changes(&mut self) -> Option<NoHashHashSet<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