Add log message if we can’t infer the language server type for a document that was opened

ahoppen · ahoppen · commit 2bb79e388815 · 2025-03-05T13:53:28.000-08:00
Motivated by #2028 (comment).
diff --git a/Sources/SourceKitLSP/SourceKitLSPServer.swift b/Sources/SourceKitLSP/SourceKitLSPServer.swift
@@ -494,6 +494,7 @@ package actor SourceKitLSPServer {
     in workspace: Workspace
   ) async -> LanguageService? {
     guard let serverType = LanguageServerType(language: language) else {
+      logger.error("Unable to infer language server type for language '\(language)'")
       return nil
     }
     // Pick the first language service that can handle this workspace.

Original file line number	Diff line number	Diff line change
`@@ -494,6 +494,7 @@ package actor SourceKitLSPServer {`
`494`	`494`	`in workspace: Workspace`
`495`	`495`	`) async -> LanguageService? {`
`496`	`496`	`guard let serverType = LanguageServerType(language: language) else {`
	`497`	`+ logger.error("Unable to infer language server type for language '\(language)'")`
`497`	`498`	`return nil`
`498`	`499`	`}`
`499`	`500`	`// Pick the first language service that can handle this workspace.`