Print error when no alternate file can be found

diff --git a/autoload/lsp/lspserver.vim b/autoload/lsp/lspserver.vim
index d8909033714c9f0719de70c220097dc929b501b1..220982570bf524b3bacf51acf8e740f2d6da6fed 100644 (file)
--- a/autoload/lsp/lspserver.vim
+++ b/autoload/lsp/lspserver.vim
@@ -698,6 +698,7 @@ def SwitchSourceHeader(lspserver: dict<any>)
   param.uri = util.LspFileToUri(@%)
   var reply = lspserver.rpc('textDocument/switchSourceHeader', param)
   if reply->empty() || reply.result->empty()
+    util.WarnMsg('Error: No alternate file found')
     return
   endif