neovim

commit 81b372fecd749d350fbd86be1f65146b2df97b70
parent 29e05cfb7ecd2abeac397c2ef2466166d18e1f41
Author: Tama McGlinn <t.mcglinn@gmail.com>
Date:   Fri, 14 Jun 2024 11:02:36 +0200

fix(lsp): check for nil response from server (#29196)

this only changes the error message, so that it is clear that
the error is with the LSP server, rather than being a crash inside
nvim runtime scripts. We are already doing a lot of validation,
it's just that nil was being overlooked here.

This fixes issue #27395
Diffstat:
M
runtime/lua/vim/lsp/rpc.lua
 | 
4
+++-

1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/runtime/lua/vim/lsp/rpc.lua b/runtime/lua/vim/lsp/rpc.lua
@@ -407,7 +407,9 @@ function Client:handle_body(body)
   end
   log.debug('rpc.receive', decoded)
 
-  if type(decoded.method) == 'string' and decoded.id then
+  if type(decoded) ~= 'table' then
+    self:on_error(M.client_errors.INVALID_SERVER_MESSAGE, decoded)
+  elseif type(decoded.method) == 'string' and decoded.id then
     local err --- @type lsp.ResponseError|nil
     -- Schedule here so that the users functions don't trigger an error and
     -- we can still use the result.