fix #421 keep order

changelog.md

@@ -4,6 +4,7 @@
 * `CHG` intelli-scense: improve infer across `table<K, V>` and `V[]`.
 * `CHG` intelli-scense: improve infer across `pairs` and `ipairs`
 * `FIX` [#398](https://github.com/sumneko/lua-language-server/issues/398)
+* `FIX` [#421](https://github.com/sumneko/lua-language-server/issues/421)
 
 ## 1.17.0
 `2021-2-24`

script/parser/guide.lua

@@ -3663,7 +3663,8 @@ function m.inferCheckUpDoc(status, source)
         return
     end
     status.results = {}
-    for _, doc in ipairs(binds) do
+    for i = #binds, 1, -1 do
+        local doc = binds[i]
         if doc.type == 'doc.class' then
             status.results[#status.results+1] = {
                 type   = doc.class[1],

script/vm/getClass.lua

@@ -7,9 +7,10 @@ local function lookUpDocClass(source)
     for _, infer in ipairs(infers) do
         if infer.source.type == 'doc.class'
         or infer.source.type == 'doc.type' then
-            return infer.type
+            return guide.viewInferType(infers)
         end
     end
+    return nil
 end
 
 local function getClass(source, classes, depth, deep)

test/hover/init.lua

@@ -1544,3 +1544,21 @@ local k, v = next(<?t?>)
 [[
 local t: table<string, boolean>
 ]]
+
+TEST [[
+---@class A
+---@class B: A
+---@class C: B
+---@class D: C
+---@class E: D
+local m
+
+function m:f()
+    return <?self?>
+end
+]]
+[[
+local self: E {
+    f: function,
+}
+]]

test/type_inference/init.lua

@@ -568,6 +568,7 @@ TEST 'E' [[
 ---@class B: A
 ---@class C: B
 ---@class D: C
+
 ---@class E: D
 local m