fix: parse continue followed by a comment as a continue statement

changelog.md

@@ -2,6 +2,7 @@
 
 ## Unreleased
 <!-- Add all new changes here. They will be moved under a version at release -->
+* `FIX` `continue` (LuaJIT extensions or `Lua.runtime.nonstandardSymbol`) followed by a comment on the same line (e.g. `continue -- note`) is now parsed as a `continue` statement instead of reporting `exp-in-action` [#3474](https://github.com/LuaLS/lua-language-server/issues/3474)
 
 ## 3.19.2
 `2026-10-13`

script/parser/compile.lua

@@ -4950,16 +4950,25 @@ function parseAction()
 
     if token == 'continue' and (State.options.nonstandardSymbol['continue'] or State.luaJITExtensions) then
         -- continue 是 soft keyword：仅当其后为换行/`;`/块结束符时才视为 continue 语句，
-        -- 否则（如 `continue = 2`、`continue()`）作为变量名
-        local nextToken = Tokens[Index + 3]
-        if nextToken == nil
-        or NLMap[nextToken]
-        or nextToken == ';'
-        or nextToken == 'end'
-        or nextToken == 'else'
-        or nextToken == 'elseif'
-        or nextToken == 'until'
-        or nextToken == ')' then
+        -- 否则（如 `continue = 2`、`continue()`）作为变量名；中间的注释用 skipComment 跳过后再回退
+        local savePoint = getSavePoint()
+        local commCount = #State.comms
+        Index = Index + 2
+        repeat until not skipComment()
+        local nextToken = Tokens[Index + 1]
+        local isStatement = nextToken == nil
+            or NLMap[nextToken]
+            or nextToken == ';'
+            or nextToken == 'end'
+            or nextToken == 'else'
+            or nextToken == 'elseif'
+            or nextToken == 'until'
+            or nextToken == ')'
+        savePoint()
+        for i = commCount + 1, #State.comms do
+            State.comms[i] = nil
+        end
+        if isStatement then
             return parseBreak()
         end
     end

test/parser_test/luajit_ext.lua

@@ -134,6 +134,10 @@ TestLuaJITExt 'while true do continue end'
 TestLuaJITExt 'for i = 1, 10 do continue end'
 TestLuaJITExt 'repeat continue until false'
 TestLuaJITExtDisabled 'while true do continue end'
+-- continue 后跟注释（#3474）
+TestLuaJITExt 'while true do continue -- comment\nend'
+TestLuaJITExt 'while true do continue --[[ comment ]] end'
+TestLuaJITExt 'while true do continue --[==[ multi\nline ]==]\nend'
 
 print('LuaJIT 扩展基本语法用例通过')
 
@@ -244,6 +248,14 @@ TestIndividual('number_underscore', 'local a = 0x1_2')
 TestIndividual('number_underscore', 'local a = 1_2.3_4')
 TestIndividual('number_underscore', 'local a = 1e1_0')
 TestIndividualDisabled('number_underscore', 'local a = 1_234')
+-- continue（soft keyword），后跟注释时仍为 continue 语句（#3474）
+TestIndividual('continue', 'for i = 1, 2 do continue end')
+TestIndividual('continue', 'for i = 1, 2 do\n    continue -- trailing comment\nend')
+TestIndividual('continue', 'for i = 1, 2 do continue --[[ comment ]] end')
+TestIndividual('continue', 'continue = 1')
+TestIndividual('continue', 'continue --[[ comment ]] = 1')
+TestIndividual('continue', 'continue --[[ multi\nline ]] = 1')
+TestIndividualDisabled('continue', 'for i = 1, 2 do continue end')
 
 print('LuaJIT 扩展单独启用用例通过')