From 88b155930b1fe6a8cf086c55ea3b108c8b1f0e73 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9C=80=E8=90=8C=E5=B0=8F=E6=B1=90?= <sumneko@hotmail.com>
Date: Sun, 10 Apr 2022 02:53:51 +0800
Subject: fix repeated docname

---
 script/core/completion/completion.lua | 12 ++++++++++--
 test/completion/common.lua            | 19 +++++++++++++++++++
 2 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/script/core/completion/completion.lua b/script/core/completion/completion.lua
index e6f07b7b..27d1b20a 100644
--- a/script/core/completion/completion.lua
+++ b/script/core/completion/completion.lua
@@ -1671,9 +1671,12 @@ end
 
 local function tryluaDocByErr(state, position, err, docState, results)
     if     err.type == 'LUADOC_MISS_CLASS_EXTENDS_NAME' then
+        local used = {}
         for _, doc in ipairs(vm.getDocSets(state.uri)) do
             if  doc.type == 'doc.class'
+            and not used[doc.class[1]]
             and doc.class[1] ~= docState.class[1] then
+                used[doc.class[1]] = true
                 results[#results+1] = {
                     label       = doc.class[1],
                     kind        = define.CompletionItemKind.Class,
@@ -1681,14 +1684,19 @@ local function tryluaDocByErr(state, position, err, docState, results)
             end
         end
     elseif err.type == 'LUADOC_MISS_TYPE_NAME' then
+        local used = {}
         for _, doc in ipairs(vm.getDocSets(state.uri)) do
-            if doc.type == 'doc.class' then
+            if  doc.type == 'doc.class'
+            and not used[doc.class[1]] then
+                used[doc.class[1]] = true
                 results[#results+1] = {
                     label       = doc.class[1],
                     kind        = define.CompletionItemKind.Class,
                 }
             end
-            if doc.type == 'doc.alias' then
+            if  doc.type == 'doc.alias'
+            and not used[doc.alias[1]] then
+                used[doc.alias[1]] = true
                 results[#results+1] = {
                     label       = doc.alias[1],
                     kind        = define.CompletionItemKind.Class,
diff --git a/test/completion/common.lua b/test/completion/common.lua
index 0d00ddf9..5ee2b844 100644
--- a/test/completion/common.lua
+++ b/test/completion/common.lua
@@ -3292,3 +3292,22 @@ local t = x[<??>]
         assert(res.label ~= 'do')
     end
 end)
+
+TEST [[
+---@class ZZZZZ.XXXX
+---@class ZZZZZ.XXXX
+---@class ZZZZZ.XXXX
+---@class ZZZZZ.XXXX
+---@class ZZZZZ.XXXX
+
+---@type <??>
+]]
+(function (results)
+    local count = 0
+    for _, res in ipairs(results) do
+        if res.label == 'ZZZZZ.XXXX' then
+            count = count + 1
+        end
+    end
+    assert(count == 1)
+end)
-- 
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