lsp: Gracefully ignore invalid diagnostic severity

helix-editor · Aug 25, 2024 · 0451894 · 0451894
1 parent 620dfce
commit 0451894
Showing 1 changed file with 9 additions and 6 deletions.
diff --git a/helix-view/src/document.rs b/helix-view/src/document.rs
@@ -1920,12 +1920,15 @@ impl Document {
             return None;
         };
 
-        let severity = diagnostic.severity.map(|severity| match severity {
-            lsp::DiagnosticSeverity::ERROR => Error,
-            lsp::DiagnosticSeverity::WARNING => Warning,
-            lsp::DiagnosticSeverity::INFORMATION => Info,
-            lsp::DiagnosticSeverity::HINT => Hint,
-            severity => unreachable!("unrecognized diagnostic severity: {:?}", severity),
+        let severity = diagnostic.severity.and_then(|severity| match severity {
+            lsp::DiagnosticSeverity::ERROR => Some(Error),
+            lsp::DiagnosticSeverity::WARNING => Some(Warning),
+            lsp::DiagnosticSeverity::INFORMATION => Some(Info),
+            lsp::DiagnosticSeverity::HINT => Some(Hint),
+            severity => {
+                log::warn!("unrecognized diagnostic severity: {:?}", severity);
+                None
+            }
         });
 
         if let Some(lang_conf) = language_config {