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<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<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) {
39 Arc::make_mut(&mut self.check_fixes).clear();
40 self.changes.extend(self.check.drain().map(|(key, _value)| key))
43 pub(crate) fn add_check_diagnostic(
46 diagnostic: lsp_types::Diagnostic,
49 let diagnostics = self.check.entry(file_id).or_default();
50 for existing_diagnostic in diagnostics.iter() {
51 if are_diagnostics_equal(existing_diagnostic, &diagnostic) {
56 let check_fixes = Arc::make_mut(&mut self.check_fixes);
57 check_fixes.entry(file_id).or_default().extend(fix);
58 diagnostics.push(diagnostic);
59 self.changes.insert(file_id);
62 pub(crate) fn set_native_diagnostics(
65 diagnostics: Vec<lsp_types::Diagnostic>,
67 if let Some(existing_diagnostics) = self.native.get(&file_id) {
68 if existing_diagnostics.len() == diagnostics.len()
71 .zip(existing_diagnostics)
72 .all(|(new, existing)| are_diagnostics_equal(new, existing))
78 self.native.insert(file_id, diagnostics);
79 self.changes.insert(file_id);
82 pub(crate) fn diagnostics_for(
85 ) -> impl Iterator<Item = &lsp_types::Diagnostic> {
86 let native = self.native.get(&file_id).into_iter().flatten();
87 let check = self.check.get(&file_id).into_iter().flatten();
91 pub(crate) fn take_changes(&mut self) -> Option<FxHashSet<FileId>> {
92 if self.changes.is_empty() {
95 Some(mem::take(&mut self.changes))
99 fn are_diagnostics_equal(left: &lsp_types::Diagnostic, right: &lsp_types::Diagnostic) -> bool {
100 left.source == right.source
101 && left.severity == right.severity
102 && left.range == right.range
103 && left.message == right.message