FIX completion: incorrect cache

Author: sumneko

changelog.md

@@ -2,6 +2,7 @@
 
 ## 2.5.4
 * `FIX` [#848](https://github.com/sumneko/lua-language-server/issues/848)
+* `FIX` completion: incorrect cache
 
 ## 2.5.3
 `2021-12-6`

script/core/completion/completion.lua

@@ -1945,6 +1945,7 @@ local function makeCache(uri, position, results)
     cache.position= position
     cache.word    = word:lower()
     cache.length  = #word
+    cache.uri     = uri
 end
 
 local function isValidCache(word, result)
@@ -1969,6 +1970,9 @@ local function getCache(uri, position)
     if not cache.results then
         return nil
     end
+    if cache.uri ~= uri then
+        return nil
+    end
     local text  = files.getText(uri)
     local state = files.getState(uri)
     local word = lookBackward.findWord(text, guide.positionToOffset(state, position))