From 88b4de0ec02b85d43432fcb12043e6d15c13b746 Mon Sep 17 00:00:00 2001
From: Florian Fischer <florian.fl.fischer@fau.de>
Date: Wed, 17 Feb 2021 12:09:44 +0100
Subject: [lspc] print verbose message when receiving unexpected message from
 server

---
 init.lua | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'init.lua')

diff --git a/init.lua b/init.lua
index 26c5fb7..d916075 100644
--- a/init.lua
+++ b/init.lua
@@ -443,6 +443,10 @@ local function ls_recv_data(ls, data)
   if ls.partial_response.len == 0 then
     lspc.log('LSPC: parse new message')
     local header = data:match('^Content%-Length: %d+')
+    if not header then
+      vis:message('LSPC Error: received unexpected message: ' .. data)
+      return
+    end
     ls.partial_response.exp_len = tonumber(header:match('%d+'))
     local _, content_start = data:find('\r\n\r\n')
 
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