fix #359

Author: sumneko

changelog.md

@@ -3,6 +3,7 @@
 ## 1.12.0
 * `NEW` [#340](https://github.com/sumneko/lua-language-server/pull/340): supports `---@type table<string, number>`
 * `FIX` [#355](https://github.com/sumneko/lua-language-server/pull/355)
+* `FIX` [#359](https://github.com/sumneko/lua-language-server/issues/359)
 
 ## 1.11.2
 `2021-1-7`

script/parser/ast.lua

@@ -547,6 +547,7 @@ local Defs = {
                 finish = finish - 1,
                 [1]    = n,
             }
+            State.LastRaw = number
             return State.LastNumber
         else
             PushError {
@@ -560,12 +561,13 @@ local Defs = {
                 finish = finish - 1,
                 [1]    = 0,
             }
+            State.LastRaw = number
             return State.LastNumber
         end
     end,
     FFINumber = function (start, symbol)
         local lastNumber = State.LastNumber
-        if mathType(lastNumber[1]) == 'float' then
+        if State.LastRaw:find('.', 1, true) then
             PushError {
                 type = 'UNKNOWN_SYMBOL',
                 start = start,