fix #1395

Author: sumneko

changelog.md

@@ -1,5 +1,8 @@
 # changelog
 
+## 3.5.2
+* `FIX` [#1395](https://github.com/sumneko/lua-language-server/issues/1395)
+
 ## 3.5.1
 `2022-7-26`
 * `NEW` supports [color](https://github.com/sumneko/lua-language-server/pull/1379)

script/core/completion/completion.lua

@@ -1597,7 +1597,7 @@ end
 
 local function getComment(state, position)
     local offset = guide.positionToOffset(state, position)
-    local symbolOffset = lookBackward.findAnyOffset(state.lua, offset)
+    local symbolOffset = lookBackward.findAnyOffset(state.lua, offset, true)
     if not symbolOffset then
         return
     end
@@ -1610,9 +1610,9 @@ local function getComment(state, position)
     return nil
 end
 
-local function getluaDoc(state, position)
+local function getLuaDoc(state, position)
     local offset = guide.positionToOffset(state, position)
-    local symbolOffset = lookBackward.findAnyOffset(state.lua, offset)
+    local symbolOffset = lookBackward.findAnyOffset(state.lua, offset, true)
     if not symbolOffset then
         return
     end
@@ -2063,8 +2063,8 @@ local function tryluaDocOfFunction(doc, results)
     }
 end
 
-local function tryluaDoc(state, position, results)
-    local doc = getluaDoc(state, position)
+local function tryLuaDoc(state, position, results)
+    local doc = getLuaDoc(state, position)
     if not doc then
         return
     end
@@ -2103,7 +2103,7 @@ local function tryComment(state, position, results)
         return
     end
     local word = lookBackward.findWord(state.lua, guide.positionToOffset(state, position))
-    local doc  = getluaDoc(state, position)
+    local doc  = getLuaDoc(state, position)
     if not word then
         local comment = getComment(state, position)
         if not comment then
@@ -2142,7 +2142,7 @@ local function tryCompletions(state, position, triggerCharacter, results)
         return
     end
     if getComment(state, position) then
-        tryluaDoc(state, position, results)
+        tryLuaDoc(state, position, results)
         tryComment(state, position, results)
         return
     end

script/core/look-backward.lua

@@ -81,9 +81,19 @@ function m.findTargetSymbol(text, offset, symbol)
     return nil
 end
 
-function m.findAnyOffset(text, offset)
+---@param text string
+---@param offset integer
+---@param inline? boolean # 必须在同一行中（排除换行符）
+function m.findAnyOffset(text, offset, inline)
     for i = offset, 1, -1 do
-        if not m.isSpace(text:sub(i, i)) then
+        local c = text:sub(i, i)
+        if inline then
+            if c == '\r'
+            or c == '\n' then
+                return nil
+            end
+        end
+        if not m.isSpace(c) then
             return i
         end
     end

test/completion/common.lua

@@ -3697,3 +3697,19 @@ f(<??>)
         kind     = define.CompletionItemKind.EnumMember,
     },
 }
+
+TEST [[
+--
+<??>
+]]
+(function (results)
+    assert(#results > 2)
+end)
+
+TEST [[
+--xxx
+<??>
+]]
+(function (results)
+    assert(#results > 2)
+end)