add unicode identifier support, fix more issue from #144

42 files changed, 8708 insertions, 11 deletions

diff --git a/spec/outputs/plus.lua b/spec/outputs/plus.lua
index 749e830..bd89bfe 100644
--- a/spec/outputs/plus.lua
+++ b/spec/outputs/plus.lua
@@ -1,16 +1,18 @@
-x["do"](x, "work")
+local _call_0 = x
+_call_0["do"](_call_0, "work")
 func((function()
-        local _call_0 = a["do"](a)
-        local _call_1 = _call_0["end"](_call_0, "OK")
-        return _call_1["if"](_call_1, "abc", 123)
+        local _call_1 = a
+        local _call_2 = _call_1["do"](_call_1)
+        local _call_3 = _call_2["end"](_call_2, "OK")
+        return _call_3["if"](_call_3, "abc", 123)
 end)())
-local _call_0 = b["function"]
-local _call_1 = _call_0["do"](_call_0)
-local _call_2 = _call_1["while"](_call_1, "OK")
-local res = _call_2["if"](_call_2, "def", 998)
-local _call_3 = c["repeat"]["if"]
-local _call_4 = _call_3["then"](_call_3, "xyz")
-_call_4["else"](_call_4, res)
+local _call_1 = b["function"]
+local _call_2 = _call_1["do"](_call_1)
+local _call_3 = _call_2["while"](_call_2, "OK")
+local res = _call_3["if"](_call_3, "def", 998)
+local _call_4 = c["repeat"]["if"]
+local _call_5 = _call_4["then"](_call_4, "xyz")
+_call_5["else"](_call_5, res)
 print(self["for"], self.__class["function"](self.__class, 123))
 do
         local fcolor = message:match("<%w*>")
diff --git a/spec/outputs/unicode/ambiguous.lua b/spec/outputs/unicode/ambiguous.lua
new file mode 100644
index 0000000..3783026
--- /dev/null
+++ b/spec/outputs/unicode/ambiguous.lua
@@ -0,0 +1,114 @@
+local _u7ed1_u5b9a = _u6293_u53d6["绑定"];
+(_u7ed1_u5b9a(_u58f0_u660e))({
+        ["颜色"] = "Red"
+})
+local _u53d8_u91cfa = 'b'
+local _u53d8_u91cfc = _u53d8_u91cfd;
+(_u53d8_u91cfa(_u53d8_u91cfb))(_u53d8_u91cfc(_u53d8_u91cfd))
+_u53d8_u91cfc = _u53d8_u91cfd["变量c"];
+(_u53d8_u91cfa(_u53d8_u91cfb))(_u53d8_u91cfc(_u53d8_u91cfd));
+(_u53d8_u91cfc(_u53d8_u91cfd))(_u53d8_u91cfa(_u53d8_u91cfb))
+local _u53d8_u91cfb
+_u53d8_u91cfa, _u53d8_u91cfb = _u53d8_u91cfc, _u53d8_u91cfd;
+(_u53d8_u91cfd(_u53d8_u91cfa))(_u53d8_u91cfc)
+for _u8ba1_u6570 = 1, 10 do
+        _u53d8_u91cfa = function() end
+        (_u6253_u5370)(1)
+        _u53d8_u91cfa = _u53d8_u91cff;
+        (_u6253_u5370)(2)
+        if _u6761_u4ef6 then
+                (_u6253_u5370)(3)
+        end
+        ::_u8df3_u8f6c_u4f4d_u7f6e::;
+        (_u6253_u5370)(4)
+        goto _u8df3_u8f6c_u4f4d_u7f6e;
+        (_u6253_u5370)(5)
+end
+do
+        _u6253_u5370();
+        (a_u53d8_u91cf)(b_u53d8_u91cf(1))
+        _u6253_u5370();
+        (fn)(function() end)
+end
+do
+        _u6253_u5370()
+        _u5f02_u6b65_u51fd_u6570(function()
+                _u6253_u5370();
+--[[a comment to insert]]
+                (haha)()
+                return nil
+        end)
+end
+do
+        _u6253_u5370(123)
+end
+do
+        _u51fd_u6570f({
+                ["v变量"] = v_u53d8_u91cf
+        })
+        local _u6570_u7ec4
+        do
+                local _accum_0 = { }
+                local _len_0 = 1
+                while _u6761_u4ef6f do
+                        _accum_0[_len_0] = {
+                                ["v变量"] = v_u53d8_u91cf
+                        }
+                        _len_0 = _len_0 + 1
+                end
+                _u6570_u7ec4 = _accum_0
+        end
+        repeat
+                _u6253_u5370(_u53d8_u91cfv)
+        until _u6761_u4ef6f({
+                        ["变量v"] = _u53d8_u91cfv
+                })
+        do
+                local _with_0 = _u6761_u4ef6f
+                local _u53d8_u91cfv = _u6570_u7ec4["变量v"]
+                _with_0["字段x"] = 1
+        end
+        local _u53d8_u91cfx
+        if _u6761_u4ef6f then
+                _u53d8_u91cfx = {
+                        ["字段v"] = _u5b57_u6bb5v
+                }
+        end
+        do
+                local _exp_0 = _u6761_u4ef6f({
+                        ["字段v"] = _u5b57_u6bb5v
+                })
+                if _u6761_u4ef6f == _exp_0 then
+                        _u53d8_u91cfx = {
+                                ["字段v"] = _u5b57_u6bb5v
+                        }
+                end
+        end
+        local _u6570_u5b57_u6570_u7ec4
+        do
+                local _accum_0 = { }
+                local _len_0 = 1
+                for _u6570_u5b57 = 1, _u957f_u5ea6 do
+                        _accum_0[_len_0] = {
+                                ["数字"] = _u6570_u5b57
+                        }
+                        _len_0 = _len_0 + 1
+                end
+                _u6570_u5b57_u6570_u7ec4 = _accum_0
+        end
+        local _u5bf9_u8c61_u6570_u7ec4
+        do
+                local _accum_0 = { }
+                local _len_0 = 1
+                local _list_0 = _u7269_u4ef6_u6570_u7ec4
+                for _index_0 = 1, #_list_0 do
+                        local _u7269_u4ef6 = _list_0[_index_0]
+                        _accum_0[_len_0] = {
+                                ["名称"] = _u7269_u4ef6
+                        }
+                        _len_0 = _len_0 + 1
+                end
+                _u5bf9_u8c61_u6570_u7ec4 = _accum_0
+        end
+end
+return nil
diff --git a/spec/outputs/unicode/assign.lua b/spec/outputs/unicode/assign.lua
new file mode 100644
index 0000000..b530093
--- /dev/null
+++ b/spec/outputs/unicode/assign.lua
@@ -0,0 +1,171 @@
+local __u65e0_u6548_u53d8_u91cf
+__u65e0_u6548_u53d8_u91cf = function()
+        local joop_u53d8_u91cf = 2302
+        return function(_u597d)
+                local _u53d8_u91cfd = 100
+                _u597d = 1021
+                local _u53d8_u91cfa, _u53d8_u91cfb, _u53d8_u91cfc
+                _u53d8_u91cfa, _u53d8_u91cfb, _u53d8_u91cfc, _u53d8_u91cfd = 1, 2, 3, 4
+                local _u4f60_u597d
+                _u4f60_u597d[232], (5 + 5)[121], _u4f60_u597d, _u53d8_u91cfx[99] = 100, 200, 300, 400
+                joop_u53d8_u91cf = 12
+        end
+end
+local joop_u53d8_u91cf = 2345
+local _u53d8_u91cfa, _u53d8_u91cfb
+if _u4f60_u597d then
+        _u53d8_u91cfa, _u53d8_u91cfb = "你好", nil
+else
+        _u53d8_u91cfa, _u53d8_u91cfb = "没啥", "✌️"
+end
+if _u4f60_u597d then
+        if _u270c_ufe0f then
+                _u53d8_u91cfa, _u53d8_u91cfb = "一", "二"
+        else
+                _u53d8_u91cfa, _u53d8_u91cfb = "mmhh", nil
+        end
+else
+        _u6253_u5370("其它东西")
+        _u53d8_u91cfa, _u53d8_u91cfb = "没啥事", "✌️"
+end
+local _u53d8_u91cfc, _u53d8_u91cfd
+if true then
+        _u53d8_u91cfc, _u53d8_u91cfd = 1, 2
+end
+local _u53d8_u91cfx
+do
+        local _u51fd_u6570 = _u83b7_u53d6_u5904_u7406_u51fd_u6570()
+        if _u51fd_u6570 then
+                do
+                        _u51fd_u6570()
+                        _u53d8_u91cfx = 123
+                end
+        end
+end
+return __u65e0_u6548_u53d8_u91cf(function()
+        setmetatable(a_u53d8_u91cf, (function()
+                _u6253_u5370(123)
+                return { }
+        end)())
+        do
+                local _u5143_u7d20a, _u5143_u7d20b
+                do
+                        local _exp_0 = _u5bf9_u8c61c
+                        if "a" == _exp_0 then
+                                do
+                                        local _obj_0 = _u5b57_u5178
+                                        _u5143_u7d20a, _u5143_u7d20b = _obj_0[1], _obj_0[2]
+                                end
+                        elseif "b" == _exp_0 then
+                                do
+                                        local _obj_0 = _u51fd_u6570()
+                                        _u5143_u7d20a, _u5143_u7d20b = _obj_0[1], _obj_0[2]
+                                end
+                        end
+                end
+        end
+        do
+                local _obj_0 = a_u6570_u7ec4
+                if _u6761_u4ef6x then
+                        _obj_0[#_obj_0 + 1] = 1
+                else
+                        _obj_0[#_obj_0 + 1] = 2
+                end
+        end
+        do
+                local _u53d8_u91cfa
+                if x_u6761_u4ef6 then
+                        do
+                                local _exp_0 = _u5bf9_u8c61y
+                                if 1 == _exp_0 then
+                                        do
+                                                local _obj_0, _obj_1 = _u51fd_u6570()
+                                                _u53d8_u91cfb[#_u53d8_u91cfb + 1] = _obj_1
+                                                _u53d8_u91cfa = _obj_0
+                                        end
+                                end
+                        end
+                end
+        end
+        do
+                local _u53d8_u91cfa
+                local _u5143_u7d20b
+                if x_u6761_u4ef6 then
+                        do
+                                local _obj_0, _obj_1 = _u51fd_u6570()
+                                _u53d8_u91cfa = _obj_0
+                                _u5143_u7d20b = _obj_1[1]
+                        end
+                else
+                        _u53d8_u91cfa = 123
+                        _u5143_u7d20b = _u8868[1]
+                end
+        end
+        do
+                local _u53d8_u91cfa, _u5bf9_u8c61c
+                if _u6761_u4ef6x then
+                        do
+                                local _exp_0 = _u5bf9_u8c61y
+                                if 1 == _exp_0 then
+                                        do
+                                                local _obj_0, _obj_1, _obj_2, _obj_3 = _u51fd_u6570()
+                                                do
+                                                        local _obj_4 = _u6570_u7ec4b
+                                                        _obj_4[#_obj_4 + 1] = _obj_1
+                                                end
+                                                _u53d8_u91cfa, _u5bf9_u8c61c, getmetatable(_u5bf9_u8c61d).__add = _obj_0, _obj_2, _obj_3
+                                        end
+                                end
+                        end
+                elseif _u6761_u4ef6x2 then
+                        if _u6761_u4ef6y2 then
+                                do
+                                        local _obj_0, _obj_1, _obj_2, _obj_3 = _u51fd_u65701()
+                                        do
+                                                local _obj_4 = _u6570_u7ec4b
+                                                _obj_4[#_obj_4 + 1] = _obj_1
+                                        end
+                                        _u53d8_u91cfa, _u5bf9_u8c61c, getmetatable(_u5bf9_u8c61d).__add = _obj_0, _obj_2, _obj_3
+                                end
+                        end
+                else
+                        _u6253_u5370("hello")
+                        do
+                                _u6253_u5370(123)
+                                do
+                                        local _obj_0, _obj_1, _obj_2 = _u51fd_u65702()
+                                        do
+                                                local _obj_3 = _u6570_u7ec4b
+                                                _obj_3[#_obj_3 + 1] = _obj_0
+                                        end
+                                        _u53d8_u91cfa, _u5bf9_u8c61c, getmetatable(_u5bf9_u8c61d).__add = 1, _obj_1, _obj_2
+                                end
+                        end
+                end
+        end
+        do
+                local _u53d8_u91cfa = 0
+                local _u53d8_u91cfb = 0
+                local _u53d8_u91cfc = 0
+                local _u53d8_u91cfd = 0
+        end
+        do
+                local a_u53d8_u91cf = _u51fd_u6570()
+                local b_u53d8_u91cf = a_u53d8_u91cf
+                local c_u53d8_u91cf = a_u53d8_u91cf
+                local d_u53d8_u91cf = a_u53d8_u91cf
+        end
+        do
+                local _u53d8_u91cfe = _u6570_u7ec4_u5bf9_u8c61
+                local a_u5143_u7d20 = _u53d8_u91cfe[1]
+                local _u5b57_u6bb5b = _u53d8_u91cfe["字段b"]
+                _u5bf9_u8c61c["字段d"] = _u53d8_u91cfe
+        end
+        do
+                local _u503c = 123
+                local _u53d8_u91cfa = _u503c
+                local _u53d8_u91cfb = _u503c
+                local _u53d8_u91cfc = _u503c
+        end
+        return nil
+end)
diff --git a/spec/outputs/unicode/attrib.lua b/spec/outputs/unicode/attrib.lua
new file mode 100644
index 0000000..0f60451
--- /dev/null
+++ b/spec/outputs/unicode/attrib.lua
@@ -0,0 +1,122 @@
+local _u5e38_u91cfa <const>, _u5e38_u91cfb <const>, _u5e38_u91cfc <const>, _u5e38_u91cfd <const> = 1, 2, 3, 4
+do
+        local _u5173_u95ed_u53d8_u91cfa, _u5173_u95ed_u53d8_u91cfb = setmetatable({ }, {
+                __close = function(self)
+                        return _u6253_u5370("已关闭")
+                end
+        })
+        local _close_0 <close> = _u5173_u95ed_u53d8_u91cfa
+        local _close_1 <close> = _u5173_u95ed_u53d8_u91cfb
+        local _u53d8_u91cfc <const>, _u5e38_u91cfd <const> = 123, 'abc'
+        close(_u5e38_u91cfa, _u5e38_u91cfb)
+        const(_u5e38_u91cfc, _u5e38_u91cfd)
+end
+do
+        local _u5e38_u91cfa <const> = _u51fd_u6570()
+        local _u5143_u7d20b, _u5143_u7d20c, _u5143_u7d20d
+        do
+                local _obj_0, _obj_1 = _u51fd_u65701()
+                _u5143_u7d20b, _u5143_u7d20c = _obj_0[1], _obj_0[2]
+                _u5143_u7d20d = _obj_1[1]
+        end
+end
+do
+        local _u5e38_u91cfa, _u5143_u7d20b, _u5143_u7d20c, _u5143_u7d20d
+        do
+                local _obj_0, _obj_1, _obj_2 = _u51fd_u6570()
+                _u5e38_u91cfa = _obj_0
+                _u5143_u7d20b, _u5143_u7d20c = _obj_1[1], _obj_1[2]
+                _u5143_u7d20d = _obj_2[1]
+        end
+end
+do
+        local _u5173_u95ed_u53d8_u91cfv <close> = (function()
+                if _u6807_u8bb0_u4e3a_u771f then
+                        return _u51fd_u6570_u8c03_u7528()
+                else
+                        return setmetatable({ }, {
+                                __close = function(self) end
+                        })
+                end
+        end)()
+        local _u5173_u95ed_u53d8_u91cff <close> = (function()
+                local _with_0 = io.open("文件.txt")
+                _with_0:write("你好")
+                return _with_0
+        end)()
+end
+do
+        local _u5e38_u91cfa <const> = (function()
+                if true then
+                        return 1
+                end
+        end)()
+        local _u5173_u95ed_u53d8_u91cfb <close> = (function()
+                if not false then
+                        if _u6761_u4ef6x then
+                                return 1
+                        end
+                end
+        end)()
+        local _u5e38_u91cfc <const> = (function()
+                if true then
+                        local _exp_0 = _u6761_u4ef6x
+                        if "abc" == _exp_0 then
+                                return 998
+                        end
+                end
+        end)()
+        local _u5173_u95ed_u53d8_u91cfd <close> = (function()
+                if (function()
+                        local _exp_0 = _u6761_u4ef6a
+                        if _exp_0 ~= nil then
+                                return _exp_0
+                        else
+                                return _u6761_u4ef6b
+                        end
+                end)() then
+                        return {
+                                ["数值"] = _u6570_u503c
+                        }
+                end
+        end)()
+end
+do
+        local __u65e0_u6548_u53d8_u91cf <close> = (function()
+                local _with_0 = io.open("文件.txt")
+                _with_0:write("你好")
+                return _with_0
+        end)()
+        local __u65e0_u6548_u53d8_u91cf <close> = setmetatable({ }, {
+                __close = function()
+                        return _u6253_u5370("第二")
+                end
+        })
+        local __u65e0_u6548_u53d8_u91cf <close> = setmetatable({ }, {
+                __close = function()
+                        return _u6253_u5370("第一")
+                end
+        })
+end
+local __u5ef6_u8fdf_u5bf9_u8c61_u6570_u7ec4 = setmetatable({ }, {
+        __close = function(self)
+                self[#self]()
+                self[#self] = nil
+        end
+})
+local _u5ef6_u8fdf
+_u5ef6_u8fdf = function(_u9879_u76ee)
+        __u5ef6_u8fdf_u5bf9_u8c61_u6570_u7ec4[#__u5ef6_u8fdf_u5bf9_u8c61_u6570_u7ec4 + 1] = _u9879_u76ee
+        return __u5ef6_u8fdf_u5bf9_u8c61_u6570_u7ec4
+end
+do
+        local __u65e0_u6548_u53d8_u91cf <close> = _u5ef6_u8fdf(function()
+                return _u6253_u5370(3)
+        end)
+        local __u65e0_u6548_u53d8_u91cf <close> = _u5ef6_u8fdf(function()
+                return _u6253_u5370(2)
+        end)
+        local __u65e0_u6548_u53d8_u91cf <close> = _u5ef6_u8fdf(function()
+                return _u6253_u5370(1)
+        end)
+end
diff --git a/spec/outputs/unicode/backcall.lua b/spec/outputs/unicode/backcall.lua
new file mode 100644
index 0000000..91dfdff
--- /dev/null
+++ b/spec/outputs/unicode/backcall.lua
@@ -0,0 +1,151 @@
+do
+        _u6620_u5c04({
+                1,
+                2,
+                3
+        }, function(_u9879_u76ee)
+                return _u9879_u76ee * 2
+        end)
+end
+do
+        _u6620_u5c04(function(_u9879_u76ee)
+                return _u9879_u76ee * 2
+        end, {
+                1,
+                2,
+                3
+        })
+end
+do
+        _u8fc7_u6ee4(function(_u9879_u76ee)
+                return _u9879_u76ee > 2
+        end, (function()
+                return _u6620_u5c04(function(_u9879_u76ee)
+                        return _u9879_u76ee * 2
+                end, {
+                        1,
+                        2,
+                        3,
+                        4
+                })
+        end)())
+end
+do
+        do
+                local _obj_0 = _u7f51_u7edc
+                if _obj_0 ~= nil then
+                        _obj_0["获取"]("测试地址", function(_u6570_u636e)
+                                local _call_0 = _u7f51_u9875_u4f53[".结果"]
+                                _call_0["网页"](_call_0, _u6570_u636e)
+                                return _u7f51_u7edc["请求"]("测试地址", _u6570_u636e, function(_u662f_u5426_u5904_u7406_u6210_u529f)
+                                        local _call_1 = _u7f51_u9875_u4f53[".结果"]
+                                        _call_1["添加"](_call_1, _u662f_u5426_u5904_u7406_u6210_u679c)
+                                        return _u8bbe_u7f6e_u8d85_u65f6_u56de_u8c03(1000, function()
+                                                return _u6253_u5370("完成")
+                                        end)
+                                end)
+                        end)
+                end
+        end
+end
+do
+        _u540c_u6b65_u72b6_u6001(function()
+                return _u5f02_u6b65_u52a0_u8f7d("文件.yue", function(_u9519_u8bef_u4fe1_u606f, _u6570_u636e)
+                        if _u6570_u636e == nil then
+                                _u6570_u636e = "nil"
+                        end
+                        if _u9519_u8bef_u4fe1_u606f then
+                                _u6253_u5370(_u9519_u8bef_u4fe1_u606f)
+                                return
+                        end
+                        return _u5f02_u6b65_u7f16_u8bd1(_u6570_u636e, function(_u4ee3_u7801)
+                                local _u7ed3_u679c_u51fd_u6570 = _u52a0_u8f7d_u5b57_u7b26_u4e32(_u4ee3_u7801)
+                                return _u7ed3_u679c_u51fd_u6570()
+                        end)
+                end)
+        end)
+end
+do
+        _u51fd_u65701(function()
+                return _u51fd_u65702(function()
+                        do
+                                _u51fd_u65703(function()
+                                        return _u51fd_u65704(function() end)
+                                end)
+                        end
+                        return _u51fd_u65705(function()
+                                return _u51fd_u65706(function()
+                                        return _u51fd_u65707()
+                                end)
+                        end)
+                end)
+        end)
+end
+do
+        local _u7ed3_u679c, _u6d88_u606f
+        do
+                do
+                        local _obj_0 = _u5f02_u6b65_u63a5_u6536("文件名.txt", function(_u6570_u636e)
+                                _u6253_u5370(_u6570_u636e)
+                                return _u5f02_u6b65_u5904_u7406(_u6570_u636e, function(_u4fe1_u606f)
+                                        return _u68c0_u67e5(_u4fe1_u606f)
+                                end)
+                        end)
+                        _u7ed3_u679c, _u6d88_u606f = _obj_0["结果"], _obj_0["消息"]
+                end
+        end
+        _u6253_u5370(_u7ed3_u679c, _u6d88_u606f)
+        local _u603b_u5927_u5c0f = _u5408_u5e76(((function()
+                local _accum_0 = { }
+                local _len_0 = 1
+                local _list_0 = _u6587_u4ef6_u6570_u7ec4
+                for _index_0 = 1, #_list_0 do
+                        local _u6587_u4ef6 = _list_0[_index_0]
+                        _accum_0[_len_0] = _u5f02_u6b65_u52a0_u8f7d(_u6587_u4ef6, function(_u6570_u636e)
+                                return _u52a0_u5165_u7f13_u5b58(_u6587_u4ef6, _u6570_u636e)
+                        end)
+                        _len_0 = _len_0 + 1
+                end
+                return _accum_0
+        end)()), 0, function(_u5bf9_u8c61a, _u5bf9_u8c61b)
+                return _u5bf9_u8c61a + _u5bf9_u8c61b
+        end)
+end
+local _u5c5e_u6027A
+do
+        _u5c5e_u6027A = _u5c5e_u6027_u5b9a_u4e49(function(self)
+                return self["_值"]
+        end, function(self, _u503c)
+                _u6253_u5370("之前值: " .. tostring(self["_值"]))
+                _u6253_u5370("最新值: " .. tostring(_u503c))
+                self["_值"] = _u503c
+        end)
+end
+local _u5c5e_u6027B
+do
+        _u5c5e_u6027B = _u5c5e_u6027_u5b9a_u4e49(function(self)
+                return self["_值"]
+        end, function(self, _u503c)
+                _u6253_u5370("之前值: " .. tostring(self["_值"]))
+                _u6253_u5370("最新值: " .. tostring(_u503c))
+                self["_值"] = _u503c
+        end)
+end
+_u8b66_u544a("嗨")
+local _u53d8_u91cfx, _u53d8_u91cfy, _u53d8_u91cfz
+do
+        _u53d8_u91cfx = (_u53d8_u91cfa) < -_u53d8_u91cfb
+end
+do
+        _u53d8_u91cfx, _u53d8_u91cfy, _u53d8_u91cfz = _u53d8_u91cfb(function(_u53d8_u91cfa) end)
+end
+do
+        _u53d8_u91cfx, _u53d8_u91cfy, _u53d8_u91cfz = _u53d8_u91cfb(function(_u53d8_u91cfa) end)
+end
+do
+        _u53d8_u91cfx = _u53d8_u91cfa <= _u53d8_u91cfb
+end
+do
+        _u53d8_u91cfx, _u53d8_u91cfy, _u53d8_u91cfz = _u53d8_u91cfb(function(self, _u53d8_u91cfa) end)
+end
+return nil
diff --git a/spec/outputs/unicode/bubbling.lua b/spec/outputs/unicode/bubbling.lua
new file mode 100644
index 0000000..cb8750d
--- /dev/null
+++ b/spec/outputs/unicode/bubbling.lua
@@ -0,0 +1,123 @@
+local _u51fd_u6570
+_u51fd_u6570 = function(...)
+        return #{
+                ...
+        }
+end
+local _u4e0d_u8981_u5192_u6ce1
+_u4e0d_u8981_u5192_u6ce1 = function()
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u5143_u7d20 in (function(...)
+                return _u6253_u5370(...)
+        end)("你好") do
+                _accum_0[_len_0] = _u5143_u7d20
+                _len_0 = _len_0 + 1
+        end
+        return _accum_0
+end
+local _u53d8_u91cfk
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u5143_u7d20 in (function(...)
+                return _u6253_u5370(...)
+        end)("你好") do
+                _accum_0[_len_0] = _u5143_u7d20
+                _len_0 = _len_0 + 1
+        end
+        _u53d8_u91cfk = _accum_0
+end
+local _u53d8_u91cfj
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u8ba1_u6570 = 1, 10 do
+                _accum_0[_len_0] = function(...)
+                        return _u6253_u5370(...)
+                end
+                _len_0 = _len_0 + 1
+        end
+        _u53d8_u91cfj = _accum_0
+end
+local _u53d8_u91cfm
+_u53d8_u91cfm = function(...)
+        local _accum_0 = { }
+        local _len_0 = 1
+        local _list_0 = {
+                ...
+        }
+        for _index_0 = 1, #_list_0 do
+                local _u5143_u7d20 = _list_0[_index_0]
+                if _u51fd_u6570(...) > 4 then
+                        _accum_0[_len_0] = _u5143_u7d20
+                        _len_0 = _len_0 + 1
+                end
+        end
+        return _accum_0
+end
+local __u65e0_u6548_u53d8_u91cf
+__u65e0_u6548_u53d8_u91cf = function(...)
+        local _u6570_u7ec4x
+        do
+                local _accum_0 = { }
+                local _len_0 = 1
+                local _list_0 = {
+                        ...
+                }
+                for _index_0 = 1, #_list_0 do
+                        local _u8ba1_u6570 = _list_0[_index_0]
+                        _accum_0[_len_0] = _u8ba1_u6570
+                        _len_0 = _len_0 + 1
+                end
+                _u6570_u7ec4x = _accum_0
+        end
+        local _u6570_u7ec4y
+        do
+                local _accum_0 = { }
+                local _len_0 = 1
+                local _list_0 = {
+                        ...
+                }
+                for _index_0 = 1, #_list_0 do
+                        local _u5143_u7d20 = _list_0[_index_0]
+                        _accum_0[_len_0] = _u5143_u7d20
+                        _len_0 = _len_0 + 1
+                end
+                _u6570_u7ec4y = _accum_0
+        end
+        local _u6570_u7ec4z
+        do
+                local _accum_0 = { }
+                local _len_0 = 1
+                for _u5143_u7d20 in _u5217_u8868 do
+                        if _u51fd_u6570(...) > 4 then
+                                _accum_0[_len_0] = _u5143_u7d20
+                                _len_0 = _len_0 + 1
+                        end
+                end
+                _u6570_u7ec4z = _accum_0
+        end
+        local _u6570_u7ec4a
+        do
+                local _accum_0 = { }
+                local _len_0 = 1
+                for _u8ba1_u6570 = 1, 10 do
+                        _accum_0[_len_0] = ...
+                        _len_0 = _len_0 + 1
+                end
+                _u6570_u7ec4a = _accum_0
+        end
+        local _u6570_u7ec4b
+        do
+                local _accum_0 = { }
+                local _len_0 = 1
+                for _u8ba1_u6570 = 1, 10 do
+                        _accum_0[_len_0] = function(...)
+                                return _u6253_u5370(...)
+                        end
+                        _len_0 = _len_0 + 1
+                end
+                _u6570_u7ec4b = _accum_0
+        end
+end
diff --git a/spec/outputs/unicode/class.lua b/spec/outputs/unicode/class.lua
new file mode 100644
index 0000000..4d309e3
--- /dev/null
+++ b/spec/outputs/unicode/class.lua
@@ -0,0 +1,1242 @@
+local _u4f60_u597d
+do
+        local _class_0
+        local _base_0 = {
+                ["你好"] = function(self)
+                        return _u6253_u5370(self["测试"], self["世界"])
+                end,
+                __tostring = function(self)
+                        return "你好 世界"
+                end
+        }
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        _class_0 = setmetatable({
+                __init = function(self, _u6d4b_u8bd5, _u4e16_u754c)
+                        self["测试"] = _u6d4b_u8bd5
+                        self["世界"] = _u4e16_u754c
+                        return _u6253_u5370("创建对象..")
+                end,
+                __base = _base_0,
+                __name = "你好"
+        }, {
+                __index = _base_0,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        _u4f60_u597d = _class_0
+end
+local _u5bf9_u8c61x = _u4f60_u597d(1, 2)
+_u5bf9_u8c61x["你好"](_u5bf9_u8c61x)
+_u6253_u5370(_u5bf9_u8c61x)
+local _u7b80_u5355
+do
+        local _class_0
+        local _base_0 = {
+                ["酷"] = function(self)
+                        return _u6253_u5370("酷")
+                end
+        }
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        _class_0 = setmetatable({
+                __init = function() end,
+                __base = _base_0,
+                __name = "简单"
+        }, {
+                __index = _base_0,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        _u7b80_u5355 = _class_0
+end
+local _u4f0a_u514b_u65af
+do
+        local _class_0
+        local _parent_0 = _u7b80_u5355
+        local _base_0 = { }
+        for _key_0, _val_0 in pairs(_parent_0.__base) do
+                if _base_0[_key_0] == nil and _key_0:match("^__") and not (_key_0 == "__index" and _val_0 == _parent_0.__base) then
+                        _base_0[_key_0] = _val_0
+                end
+        end
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        setmetatable(_base_0, _parent_0.__base)
+        _class_0 = setmetatable({
+                __init = function(self)
+                        return _u6253_u5370("你好已创建")
+                end,
+                __base = _base_0,
+                __name = "伊克斯",
+                __parent = _parent_0
+        }, {
+                __index = function(cls, name)
+                        local val = rawget(_base_0, name)
+                        if val == nil then
+                                local parent = rawget(cls, "__parent")
+                                if parent then
+                                        return parent[name]
+                                end
+                        else
+                                return val
+                        end
+                end,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        if _parent_0.__inherited then
+                _parent_0.__inherited(_parent_0, _class_0)
+        end
+        _u4f0a_u514b_u65af = _class_0
+end
+local x_u5bf9_u8c61 = _u4f0a_u514b_u65af()
+x_u5bf9_u8c61["酷"](x_u5bf9_u8c61)
+local _u55e8
+do
+        local _class_0
+        local _base_0 = {
+                ["酷"] = function(self, _u6570_u503c)
+                        return _u6253_u5370("数值", _u6570_u503c)
+                end
+        }
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        _class_0 = setmetatable({
+                __init = function(self, _u53c2_u6570)
+                        return _u6253_u5370("初始化参数", _u53c2_u6570)
+                end,
+                __base = _base_0,
+                __name = "嗨"
+        }, {
+                __index = _base_0,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        _u55e8 = _class_0
+end
+do
+        local _class_0
+        local _parent_0 = _u55e8
+        local _base_0 = {
+                ["酷"] = function(self)
+                        return _class_0.__parent.__base["酷"](self, 120302)
+                end
+        }
+        for _key_0, _val_0 in pairs(_parent_0.__base) do
+                if _base_0[_key_0] == nil and _key_0:match("^__") and not (_key_0 == "__index" and _val_0 == _parent_0.__base) then
+                        _base_0[_key_0] = _val_0
+                end
+        end
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        setmetatable(_base_0, _parent_0.__base)
+        _class_0 = setmetatable({
+                __init = function(self)
+                        return _class_0.__parent.__init(self, "伙计")
+                end,
+                __base = _base_0,
+                __name = "简单",
+                __parent = _parent_0
+        }, {
+                __index = function(cls, name)
+                        local val = rawget(_base_0, name)
+                        if val == nil then
+                                local parent = rawget(cls, "__parent")
+                                if parent then
+                                        return parent[name]
+                                end
+                        else
+                                return val
+                        end
+                end,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        if _parent_0.__inherited then
+                _parent_0.__inherited(_parent_0, _class_0)
+        end
+        _u7b80_u5355 = _class_0
+end
+x_u5bf9_u8c61 = _u7b80_u5355()
+x_u5bf9_u8c61["酷"](x_u5bf9_u8c61)
+_u6253_u5370(x_u5bf9_u8c61.__class == _u7b80_u5355)
+local _u597d_u5427
+do
+        local _class_0
+        local _base_0 = {
+                ["一些东西"] = 20323
+        }
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        _class_0 = setmetatable({
+                __init = function() end,
+                __base = _base_0,
+                __name = "好吧"
+        }, {
+                __index = _base_0,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        _u597d_u5427 = _class_0
+end
+local _u597d_u54d2
+do
+        local _class_0
+        local _parent_0 = _u597d_u5427
+        local _base_0 = {
+                ["一些东西"] = function(self)
+                        _class_0.__parent.__base["一些东西"](self, 1, 2, 3, 4)
+                        _class_0.__parent["一些东西"](_u53e6_u4e00_u4e2a_u81ea_u5df1, 1, 2, 3, 4)
+                        return _u65ad_u8a00(_class_0.__parent == _u597d_u5427)
+                end
+        }
+        for _key_0, _val_0 in pairs(_parent_0.__base) do
+                if _base_0[_key_0] == nil and _key_0:match("^__") and not (_key_0 == "__index" and _val_0 == _parent_0.__base) then
+                        _base_0[_key_0] = _val_0
+                end
+        end
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        setmetatable(_base_0, _parent_0.__base)
+        _class_0 = setmetatable({
+                __init = function(self, ...)
+                        return _class_0.__parent.__init(self, ...)
+                end,
+                __base = _base_0,
+                __name = "好哒",
+                __parent = _parent_0
+        }, {
+                __index = function(cls, name)
+                        local val = rawget(_base_0, name)
+                        if val == nil then
+                                local parent = rawget(cls, "__parent")
+                                if parent then
+                                        return parent[name]
+                                end
+                        else
+                                return val
+                        end
+                end,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        if _parent_0.__inherited then
+                _parent_0.__inherited(_parent_0, _class_0)
+        end
+        _u597d_u54d2 = _class_0
+end
+local _u597d
+do
+        local _class_0
+        local _base_0 = {
+                ["不错"] = function(self)
+                        local _call_0 = _class_0.__parent
+                        return _call_0["一些东西"](_call_0, self, 1, 2, 3, 4)
+                end
+        }
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        _class_0 = setmetatable({
+                __init = function() end,
+                __base = _base_0,
+                __name = "好"
+        }, {
+                __index = _base_0,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        _u597d = _class_0
+end
+local _u4ec0_u4e48
+do
+        local _class_0
+        local _base_0 = {
+                ["一些东西"] = function(self)
+                        return _u6253_u5370("值:", self["值"])
+                end
+        }
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        _class_0 = setmetatable({
+                __init = function() end,
+                __base = _base_0,
+                __name = "什么"
+        }, {
+                __index = _base_0,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        _u4ec0_u4e48 = _class_0
+end
+do
+        local _class_0
+        local _parent_0 = _u4ec0_u4e48
+        local _base_0 = {
+                ["值"] = 2323,
+                ["一些东西"] = function(self)
+                        local _base_1 = _class_0.__parent
+                        local _fn_0 = _base_1["一些东西"]
+                        return _fn_0 and function(...)
+                                return _fn_0(_base_1, ...)
+                        end
+                end
+        }
+        for _key_0, _val_0 in pairs(_parent_0.__base) do
+                if _base_0[_key_0] == nil and _key_0:match("^__") and not (_key_0 == "__index" and _val_0 == _parent_0.__base) then
+                        _base_0[_key_0] = _val_0
+                end
+        end
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        setmetatable(_base_0, _parent_0.__base)
+        _class_0 = setmetatable({
+                __init = function(self, ...)
+                        return _class_0.__parent.__init(self, ...)
+                end,
+                __base = _base_0,
+                __name = "你好",
+                __parent = _parent_0
+        }, {
+                __index = function(cls, name)
+                        local val = rawget(_base_0, name)
+                        if val == nil then
+                                local parent = rawget(cls, "__parent")
+                                if parent then
+                                        return parent[name]
+                                end
+                        else
+                                return val
+                        end
+                end,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        if _parent_0.__inherited then
+                _parent_0.__inherited(_parent_0, _class_0)
+        end
+        _u4f60_u597d = _class_0
+end
+do
+        local _with_0 = _u4f60_u597d()
+        _u5bf9_u8c61x = _with_0["一些对象"](_with_0)
+        _u6253_u5370(_u5bf9_u8c61x)
+        _u5bf9_u8c61x()
+end
+local _u8d85_u7ea7_u9177
+do
+        local _class_0
+        local _base_0 = {
+                ["👋"] = function(self)
+                        _class_0.__parent.__base["👋"](self, 1, 2, 3, 4)(1, 2, 3, 4)
+                        _class_0.__parent["一些东西"](1, 2, 3, 4)
+                        local _ = _class_0.__parent["一些东西"](1, 2, 3, 4)["世界"]
+                        local _call_0 = _class_0.__parent
+                        _call_0["好吧"](_call_0, self, "世界")["不错"](_u54c8, _u54c8, _u54c8)
+                        _ = _u4e00_u4e9b_u4e1c_u897f["上级"]
+                        _ = _class_0.__parent["上级"]["上级"]["上级"]
+                        do
+                                local _base_1 = _class_0.__parent
+                                local _fn_0 = _base_1["你好"]
+                                _ = _fn_0 and function(...)
+                                        return _fn_0(_base_1, ...)
+                                end
+                        end
+                        return nil
+                end
+        }
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        _class_0 = setmetatable({
+                __init = function() end,
+                __base = _base_0,
+                __name = "超级酷"
+        }, {
+                __index = _base_0,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        _u8d85_u7ea7_u9177 = _class_0
+end
+local _u53d8_u91cfx = self["你好"]
+_u53d8_u91cfx = self.__class["你好"]
+self["你好"](self, "世界")
+self.__class["你好"](self.__class, "世界")
+self.__class["一"](self.__class, self.__class["二"](self.__class, 4, 5)(self["三"], self["四"]))
+local _u53d8_u91cfxx
+_u53d8_u91cfxx = function(_u4f60_u597d, _u4e16_u754c, _u9177)
+        self["你好"] = _u4f60_u597d
+        self.__class["世界"] = _u4e16_u754c
+end
+local _u4e00_u4e2a_u7c7b
+do
+        local _class_0
+        local _base_0 = {
+                ["蓝色"] = function(self) end,
+                ["绿色"] = function(self) end
+        }
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        _class_0 = setmetatable({
+                __init = function() end,
+                __base = _base_0,
+                __name = "一个类"
+        }, {
+                __index = _base_0,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        local self = _class_0;
+        self["好"] = 343
+        self["你好"] = 3434
+        self["世界"] = 23423
+        self["红色"] = function(self) end
+        _u4e00_u4e2a_u7c7b = _class_0
+end
+_u53d8_u91cfx = self
+local _u53d8_u91cfy = self.__class
+self(_u4e00_u4e9b_u4e1c_u897f)
+self.__class(_u4e00_u4e9b_u4e1c_u897f)
+local self = self + self / self
+self = 343
+self["你好"](2, 3, 4)
+local _ = _u4f60_u597d[self]["世界"]
+local _u602a_u602a_u7684
+do
+        local _class_0
+        local _base_0 = { }
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        _class_0 = setmetatable({
+                __init = function() end,
+                __base = _base_0,
+                __name = "怪怪的"
+        }, {
+                __index = _base_0,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        local self = _class_0;
+        _ = self["你好"]
+        if _u4e00_u4e9b_u4e1c_u897f then
+                _u6253_u5370("你好世界")
+        end
+        _u4f60_u597d = "世界"
+        self["另一"] = "天"
+        if _u4e00_u4e9b_u4e1c_u897f then
+                _u6253_u5370("好")
+        end
+        _u602a_u602a_u7684 = _class_0
+end
+_u6253_u5370("你好")
+local _u53d8_u91cfyyy
+_u53d8_u91cfyyy = function()
+        local _u9177
+        do
+                local _class_0
+                local _base_0 = { }
+                if _base_0.__index == nil then
+                        _base_0.__index = _base_0
+                end
+                _class_0 = setmetatable({
+                        __init = function() end,
+                        __base = _base_0,
+                        __name = "酷"
+                }, {
+                        __index = _base_0,
+                        __call = function(cls, ...)
+                                local _self_0 = setmetatable({ }, _base_0)
+                                cls.__init(_self_0, ...)
+                                return _self_0
+                        end
+                })
+                _base_0.__class = _class_0
+                local self = _class_0;
+                _ = nil
+                _u9177 = _class_0
+                return _class_0
+        end
+end
+do
+        local _class_0
+        local _base_0 = { }
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        _class_0 = setmetatable({
+                __init = function() end,
+                __base = _base_0,
+                __name = "子类D"
+        }, {
+                __index = _base_0,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        local self = _class_0;
+        _ = nil
+        _u5bf9_u8c61a["字段b"]["字段c"]["子类D"] = _class_0
+end
+do
+        local _class_0
+        local _base_0 = { }
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        _class_0 = setmetatable({
+                __init = function() end,
+                __base = _base_0,
+                __name = "你好"
+        }, {
+                __index = _base_0,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        local self = _class_0;
+        _ = nil
+        _u5bf9_u8c61a["字段b"]["你好"] = _class_0
+end
+do
+        local _class_0
+        local _parent_0 = _u4f60_u597d["世界"]
+        local _base_0 = { }
+        for _key_0, _val_0 in pairs(_parent_0.__base) do
+                if _base_0[_key_0] == nil and _key_0:match("^__") and not (_key_0 == "__index" and _val_0 == _parent_0.__base) then
+                        _base_0[_key_0] = _val_0
+                end
+        end
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        setmetatable(_base_0, _parent_0.__base)
+        _class_0 = setmetatable({
+                __init = function(self, ...)
+                        return _class_0.__parent.__init(self, ...)
+                end,
+                __base = _base_0,
+                __name = "某个成员",
+                __parent = _parent_0
+        }, {
+                __index = function(cls, name)
+                        local val = rawget(_base_0, name)
+                        if val == nil then
+                                local parent = rawget(cls, "__parent")
+                                if parent then
+                                        return parent[name]
+                                end
+                        else
+                                return val
+                        end
+                end,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        local self = _class_0;
+        _ = nil
+        if _parent_0.__inherited then
+                _parent_0.__inherited(_parent_0, _class_0)
+        end
+        (function()
+                return require("moon")
+        end)()["某个成员"] = _class_0
+end
+local _u7c7ba
+do
+        local _class_0
+        local _base_0 = { }
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        _class_0 = setmetatable({
+                __init = function() end,
+                __base = _base_0,
+                __name = "类a"
+        }, {
+                __index = _base_0,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        _u7c7ba = _class_0
+end
+local _u7c7bb
+do
+        local _class_0
+        local _base_0 = { }
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        _class_0 = setmetatable({
+                __init = function() end,
+                __base = _base_0,
+                __name = "一个类"
+        }, {
+                __index = _base_0,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        _u4e00_u4e2a_u7c7b = _class_0
+        _u7c7bb = _class_0
+end
+local _u7c7bc
+do
+        local _class_0
+        local _parent_0 = _u4f60_u597d
+        local _base_0 = { }
+        for _key_0, _val_0 in pairs(_parent_0.__base) do
+                if _base_0[_key_0] == nil and _key_0:match("^__") and not (_key_0 == "__index" and _val_0 == _parent_0.__base) then
+                        _base_0[_key_0] = _val_0
+                end
+        end
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        setmetatable(_base_0, _parent_0.__base)
+        _class_0 = setmetatable({
+                __init = function(self, ...)
+                        return _class_0.__parent.__init(self, ...)
+                end,
+                __base = _base_0,
+                __name = "一个类",
+                __parent = _parent_0
+        }, {
+                __index = function(cls, name)
+                        local val = rawget(_base_0, name)
+                        if val == nil then
+                                local parent = rawget(cls, "__parent")
+                                if parent then
+                                        return parent[name]
+                                end
+                        else
+                                return val
+                        end
+                end,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        if _parent_0.__inherited then
+                _parent_0.__inherited(_parent_0, _class_0)
+        end
+        _u4e00_u4e2a_u7c7b = _class_0
+        _u7c7bc = _class_0
+end
+local _u7c7bd
+do
+        local _class_0
+        local _parent_0 = _u4e16_u754c
+        local _base_0 = { }
+        for _key_0, _val_0 in pairs(_parent_0.__base) do
+                if _base_0[_key_0] == nil and _key_0:match("^__") and not (_key_0 == "__index" and _val_0 == _parent_0.__base) then
+                        _base_0[_key_0] = _val_0
+                end
+        end
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        setmetatable(_base_0, _parent_0.__base)
+        _class_0 = setmetatable({
+                __init = function(self, ...)
+                        return _class_0.__parent.__init(self, ...)
+                end,
+                __base = _base_0,
+                __name = "类d",
+                __parent = _parent_0
+        }, {
+                __index = function(cls, name)
+                        local val = rawget(_base_0, name)
+                        if val == nil then
+                                local parent = rawget(cls, "__parent")
+                                if parent then
+                                        return parent[name]
+                                end
+                        else
+                                return val
+                        end
+                end,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        if _parent_0.__inherited then
+                _parent_0.__inherited(_parent_0, _class_0)
+        end
+        _u7c7bd = _class_0
+end
+_u6253_u5370(((function()
+        local _u5565_u4e8b
+        do
+                local _class_0
+                local _base_0 = { }
+                if _base_0.__index == nil then
+                        _base_0.__index = _base_0
+                end
+                _class_0 = setmetatable({
+                        __init = function() end,
+                        __base = _base_0,
+                        __name = "啥事"
+                }, {
+                        __index = _base_0,
+                        __call = function(cls, ...)
+                                local _self_0 = setmetatable({ }, _base_0)
+                                cls.__init(_self_0, ...)
+                                return _self_0
+                        end
+                })
+                _base_0.__class = _class_0
+                _u5565_u4e8b = _class_0
+                return _class_0
+        end
+end)()).__name)
+do
+        local _class_0
+        local _base_0 = { }
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        _class_0 = setmetatable({
+                __init = function() end,
+                __base = _base_0,
+                __name = "一个类"
+        }, {
+                __index = _base_0,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        local self = _class_0;
+        _ = nil
+        _u4e00_u4e2a_u7c7b = _class_0
+end
+do
+        local _class_0
+        local _u503c, _u63d2_u5165
+        local _base_0 = { }
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        _class_0 = setmetatable({
+                __init = function(self)
+                        return _u6253_u5370(_u63d2_u5165, _u503c)
+                end,
+                __base = _base_0,
+                __name = "一个类"
+        }, {
+                __index = _base_0,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        local self = _class_0;
+        _u503c = 23
+        _u63d2_u5165 = _u8868["插入"]
+        _u4e00_u4e2a_u7c7b = _class_0
+end
+do
+        local _class_0
+        local _base_0 = { }
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        _class_0 = setmetatable({
+                __init = _u55e8,
+                __base = _base_0,
+                __name = "X类"
+        }, {
+                __index = _base_0,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        X_u7c7b = _class_0
+end
+local _u9177
+do
+        local _class_0
+        local _parent_0 = _u4e1c_u897f
+        local _base_0 = {
+                ["当"] = function(self)
+                        return {
+                                ["你好"] = function()
+                                        return _class_0.__parent.__base["当"](self)
+                                end,
+                                ["世界"] = function()
+                                        return _class_0.__parent.one
+                                end
+                        }
+                end
+        }
+        for _key_0, _val_0 in pairs(_parent_0.__base) do
+                if _base_0[_key_0] == nil and _key_0:match("^__") and not (_key_0 == "__index" and _val_0 == _parent_0.__base) then
+                        _base_0[_key_0] = _val_0
+                end
+        end
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        setmetatable(_base_0, _parent_0.__base)
+        _class_0 = setmetatable({
+                __init = function(self, ...)
+                        return _class_0.__parent.__init(self, ...)
+                end,
+                __base = _base_0,
+                __name = "酷",
+                __parent = _parent_0
+        }, {
+                __index = function(cls, name)
+                        local val = rawget(_base_0, name)
+                        if val == nil then
+                                local parent = rawget(cls, "__parent")
+                                if parent then
+                                        return parent[name]
+                                end
+                        else
+                                return val
+                        end
+                end,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        if _parent_0.__inherited then
+                _parent_0.__inherited(_parent_0, _class_0)
+        end
+        _u9177 = _class_0
+end
+local _u5947_u602a
+do
+        local _class_0
+        local _parent_0 = _u4e1c_u897f
+        local _base_0 = {
+                ["当"] = _u505a_u70b9_u4e8b(function(self)
+                        return _class_0.__parent.__base["当"](self)
+                end)
+        }
+        for _key_0, _val_0 in pairs(_parent_0.__base) do
+                if _base_0[_key_0] == nil and _key_0:match("^__") and not (_key_0 == "__index" and _val_0 == _parent_0.__base) then
+                        _base_0[_key_0] = _val_0
+                end
+        end
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        setmetatable(_base_0, _parent_0.__base)
+        _class_0 = setmetatable({
+                __init = function(self, ...)
+                        return _class_0.__parent.__init(self, ...)
+                end,
+                __base = _base_0,
+                __name = "奇怪",
+                __parent = _parent_0
+        }, {
+                __index = function(cls, name)
+                        local val = rawget(_base_0, name)
+                        if val == nil then
+                                local parent = rawget(cls, "__parent")
+                                if parent then
+                                        return parent[name]
+                                end
+                        else
+                                return val
+                        end
+                end,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        if _parent_0.__inherited then
+                _parent_0.__inherited(_parent_0, _class_0)
+        end
+        _u5947_u602a = _class_0
+end
+local _u5594_u54c8
+do
+        local _class_0
+        local _parent_0 = _u4e1c_u897f
+        local _base_0 = { }
+        for _key_0, _val_0 in pairs(_parent_0.__base) do
+                if _base_0[_key_0] == nil and _key_0:match("^__") and not (_key_0 == "__index" and _val_0 == _parent_0.__base) then
+                        _base_0[_key_0] = _val_0
+                end
+        end
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        setmetatable(_base_0, _parent_0.__base)
+        _class_0 = setmetatable({
+                __init = function(self, ...)
+                        return _class_0.__parent.__init(self, ...)
+                end,
+                __base = _base_0,
+                __name = "喔哈",
+                __parent = _parent_0
+        }, {
+                __index = function(cls, name)
+                        local val = rawget(_base_0, name)
+                        if val == nil then
+                                local parent = rawget(cls, "__parent")
+                                if parent then
+                                        return parent[name]
+                                end
+                        else
+                                return val
+                        end
+                end,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        local self = _class_0;
+        self["底部"] = function()
+                _class_0.__parent["底部"](self)
+                _ = _class_0.__parent["你好"]
+                local _call_0 = _class_0.__parent
+                _call_0["你好"](_call_0, self)
+                local _base_1 = _class_0.__parent
+                local _fn_0 = _base_1["你好"]
+                return _fn_0 and function(...)
+                        return _fn_0(_base_1, ...)
+                end
+        end
+        self["空间"] = _u9177({
+                function()
+                        _class_0.__parent["空间"](self)
+                        _ = _class_0.__parent["你好"]
+                        local _call_0 = _class_0.__parent
+                        _call_0["你好"](_call_0, self)
+                        local _base_1 = _class_0.__parent
+                        local _fn_0 = _base_1["你好"]
+                        return _fn_0 and function(...)
+                                return _fn_0(_base_1, ...)
+                        end
+                end
+        })
+        if _parent_0.__inherited then
+                _parent_0.__inherited(_parent_0, _class_0)
+        end
+        _u5594_u54c8 = _class_0
+end
+do
+        local _u6d4b_u8bd5
+        do
+                local _class_0
+                local _base_0 = {
+                        ["测试"] = function(self)
+                                return self.__class["如果"] and self.__class["做"](self.__class)
+                        end
+                }
+                if _base_0.__index == nil then
+                        _base_0.__index = _base_0
+                end
+                _class_0 = setmetatable({
+                        __init = function(self)
+                                self.__class["如果"] = true
+                        end,
+                        __base = _base_0,
+                        __name = "测试"
+                }, {
+                        __index = _base_0,
+                        __call = function(cls, ...)
+                                local _self_0 = setmetatable({ }, _base_0)
+                                cls.__init(_self_0, ...)
+                                return _self_0
+                        end
+                })
+                _base_0.__class = _class_0
+                local self = _class_0;
+                self["做"] = function(self)
+                        return 1
+                end
+                _u6d4b_u8bd5 = _class_0
+        end
+        local _u6d4b_u8bd5_u5b9e_u4f8b = _u6d4b_u8bd5()
+        _u6d4b_u8bd5_u5b9e_u4f8b["测试"](_u6d4b_u8bd5_u5b9e_u4f8b)
+end
+do
+        local _u6d4b_u8bd5
+        do
+                local _class_0
+                local _base_0 = {
+                        ["做"] = function(self)
+                                return 1
+                        end,
+                        ["测试"] = function(self)
+                                return self["如果"] and self["做"](self)
+                        end
+                }
+                if _base_0.__index == nil then
+                        _base_0.__index = _base_0
+                end
+                _class_0 = setmetatable({
+                        __init = function(self)
+                                self["如果"] = true
+                        end,
+                        __base = _base_0,
+                        __name = "测试"
+                }, {
+                        __index = _base_0,
+                        __call = function(cls, ...)
+                                local _self_0 = setmetatable({ }, _base_0)
+                                cls.__init(_self_0, ...)
+                                return _self_0
+                        end
+                })
+                _base_0.__class = _class_0
+                _u6d4b_u8bd5 = _class_0
+        end
+        local _u6d4b_u8bd5_u5b9e_u4f8b = _u6d4b_u8bd5()
+        _u6d4b_u8bd5_u5b9e_u4f8b["测试"](_u6d4b_u8bd5_u5b9e_u4f8b)
+end
+do
+        local _class_0
+        local _parent_0 = _u9752["应用"]
+        local _base_0 = {
+                ["/"] = function(self)
+                        return {
+                                json = {
+                                        ["状态"] = true
+                                }
+                        }
+                end
+        }
+        for _key_0, _val_0 in pairs(_parent_0.__base) do
+                if _base_0[_key_0] == nil and _key_0:match("^__") and not (_key_0 == "__index" and _val_0 == _parent_0.__base) then
+                        _base_0[_key_0] = _val_0
+                end
+        end
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        setmetatable(_base_0, _parent_0.__base)
+        _class_0 = setmetatable({
+                __init = function(self, ...)
+                        return _class_0.__parent.__init(self, ...)
+                end,
+                __base = _base_0,
+                __parent = _parent_0
+        }, {
+                __index = function(cls, name)
+                        local val = rawget(_base_0, name)
+                        if val == nil then
+                                local parent = rawget(cls, "__parent")
+                                if parent then
+                                        return parent[name]
+                                end
+                        else
+                                return val
+                        end
+                end,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        if _parent_0.__inherited then
+                _parent_0.__inherited(_parent_0, _class_0)
+        end
+end
+local _u7c7bA
+do
+        local _class_0
+        local _base_0 = { }
+        local _list_0 = {
+                _u7c7bB,
+                _u7c7bC,
+                _u7c7bD,
+                {
+                        ["值"] = 123
+                }
+        }
+        for _index_0 = 1, #_list_0 do
+                local _item_0 = _list_0[_index_0]
+                local _cls_0, _mixin_0 = (_item_0.__base ~= nil), _item_0.__base or _item_0
+                for _key_0, _val_0 in pairs(_mixin_0) do
+                        if _base_0[_key_0] == nil and (not _cls_0 or not _key_0:match("^__")) then
+                                _base_0[_key_0] = _val_0
+                        end
+                end
+        end
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        _class_0 = setmetatable({
+                __init = function() end,
+                __base = _base_0,
+                __name = "类A"
+        }, {
+                __index = _base_0,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        _u7c7bA = _class_0
+end
+local _u793a_u4f8b
+do
+        local _class_0
+        local _base_0 = { }
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        _class_0 = setmetatable({
+                __init = function() end,
+                __base = _base_0,
+                __name = "示例"
+        }, {
+                __index = _base_0,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        local self = _class_0;
+        self["字段1"] = 1
+        self["字段2"] = self["字段1"] + 1
+        _u793a_u4f8b = _class_0
+end
+local _u968f_u4fbf
+do
+        local _class_0
+        local _base_0 = {
+                __mul = function(self, _u53c2_u6570y)
+                        return self["x字段"] * _u53c2_u6570y
+                end,
+                ["任意名称"] = 123,
+                ["相加"] = _u76f8_u52a0,
+                __add = add
+        }
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        _class_0 = setmetatable({
+                __init = function(self, _u53c2_u6570)
+                        self["x字段"] = _u53c2_u6570
+                end,
+                __base = _base_0,
+                __name = "随便"
+        }, {
+                __index = _base_0,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        _u968f_u4fbf = _class_0
+end
+return nil
diff --git a/spec/outputs/unicode/comprehension.lua b/spec/outputs/unicode/comprehension.lua
new file mode 100644
index 0000000..60e490f
--- /dev/null
+++ b/spec/outputs/unicode/comprehension.lua
@@ -0,0 +1,276 @@
+local _u5217_u8868 = {
+        1,
+        2,
+        3,
+        4,
+        5,
+        6
+}
+local _u8f93_u51fa
+do
+        local _tbl_0 = { }
+        for _u5143_u7d20 in _u5bf9_u8c61_u6570_u7ec4 do
+                _tbl_0[_u5143_u7d20] = _u5143_u7d20 * 2
+        end
+        _u8f93_u51fa = _tbl_0
+end
+local _u5b57_u5178x = {
+        ["你好"] = "世界",
+        ["好吧"] = 2323
+}
+local _u590d_u5236
+do
+        local _tbl_0 = { }
+        for _u952e, _u503c in pairs(_u5bf9_u8c61x) do
+                if _u952e ~= "好吧" then
+                        _tbl_0[_u952e] = _u503c
+                end
+        end
+        _u590d_u5236 = _tbl_0
+end
+local __u65e0_u6548_u53d8_u91cf
+do
+        local _tbl_0 = { }
+        for _u5143_u7d20 in _u662f_u7684 do
+                local _key_0, _val_0 = _u89e3_u5305(_u5143_u7d20)
+                _tbl_0[_key_0] = _val_0
+        end
+        __u65e0_u6548_u53d8_u91cf = _tbl_0
+end
+do
+        local _tbl_0 = { }
+        local _list_0 = _u662f_u7684
+        for _index_0 = 1, #_list_0 do
+                local _u5143_u7d20 = _list_0[_index_0]
+                local _key_0, _val_0 = _u89e3_u5305(_u5143_u7d20)
+                _tbl_0[_key_0] = _val_0
+        end
+        __u65e0_u6548_u53d8_u91cf = _tbl_0
+end
+do
+        local _tbl_0 = { }
+        for _u5143_u7d20 in _u662f_u7684 do
+                local _key_0, _val_0 = _u5143_u7d20_u5143_u7d20
+                _tbl_0[_key_0] = _val_0
+        end
+        __u65e0_u6548_u53d8_u91cf = _tbl_0
+end
+do
+        local _tbl_0 = { }
+        local _list_0 = {
+                {
+                        1,
+                        2
+                },
+                {
+                        3,
+                        4
+                }
+        }
+        for _index_0 = 1, #_list_0 do
+                local x_u5bf9_u8c61 = _list_0[_index_0]
+                local _key_0, _val_0 = _u89e3_u5305((function()
+                        local _accum_0 = { }
+                        local _len_0 = 1
+                        for _u8ba1_u6570, _u5bf9_u8c61 in ipairs(x_u5bf9_u8c61) do
+                                _accum_0[_len_0] = _u5bf9_u8c61 * _u8ba1_u6570
+                                _len_0 = _len_0 + 1
+                        end
+                        return _accum_0
+                end)())
+                _tbl_0[_key_0] = _val_0
+        end
+        __u65e0_u6548_u53d8_u91cf = _tbl_0
+end
+local _u53d8_u91cf1
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u8ba1_u6570 = 1, 10 do
+                _accum_0[_len_0] = _u8ba1_u6570
+                _len_0 = _len_0 + 1
+        end
+        _u53d8_u91cf1 = _accum_0
+end
+local _u53d8_u91cf2
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u8ba1_u6570 = 1, 10 do
+                if _u8ba1_u6570 % 2 == 1 then
+                        _accum_0[_len_0] = _u8ba1_u6570
+                        _len_0 = _len_0 + 1
+                end
+        end
+        _u53d8_u91cf2 = _accum_0
+end
+local _u53d8_u91cfaa
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u8ba1_u6570x = 1, 10 do
+                for _u8ba1_u6570y = 5, 14 do
+                        _accum_0[_len_0] = {
+                                _u8ba1_u6570x,
+                                _u8ba1_u6570y
+                        }
+                        _len_0 = _len_0 + 1
+                end
+        end
+        _u53d8_u91cfaa = _accum_0
+end
+local _u53d8_u91cfbb
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u5143_u7d20 in _u5bf9_u8c61y do
+                for _u8ba1_u6570i = 1, 10 do
+                        _accum_0[_len_0] = _u5bf9_u8c61y
+                        _len_0 = _len_0 + 1
+                end
+        end
+        _u53d8_u91cfbb = _accum_0
+end
+local _u53d8_u91cfcc
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u8ba1_u6570 = 1, 10 do
+                for _u5143_u7d20 in _u5bf9_u8c61y do
+                        _accum_0[_len_0] = _u5bf9_u8c61y
+                        _len_0 = _len_0 + 1
+                end
+        end
+        _u53d8_u91cfcc = _accum_0
+end
+local _u53d8_u91cfdd
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u8ba1_u6570 = 1, 10 do
+                if _u9177 then
+                        for _u5143_u7d20 in _u5bf9_u8c61y do
+                                if _u53d8_u91cfx > 3 then
+                                        if _u53d8_u91cfc + 3 then
+                                                _accum_0[_len_0] = _u5bf9_u8c61y
+                                                _len_0 = _len_0 + 1
+                                        end
+                                end
+                        end
+                end
+        end
+        _u53d8_u91cfdd = _accum_0
+end
+do
+        local _tbl_0 = { }
+        for _u8ba1_u6570 = 1, 10 do
+                _tbl_0["你好"] = "世界"
+        end
+        __u65e0_u6548_u53d8_u91cf = _tbl_0
+end
+local _u53d8_u91cfj
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _des_0 in _u5f88_u591a_u4e1c_u897f do
+                local _u5143_u7d20a, _u5143_u7d20b, _u5143_u7d20c = _des_0[1], _des_0[2], _des_0[3]
+                _accum_0[_len_0] = _u5143_u7d20a
+                _len_0 = _len_0 + 1
+        end
+        _u53d8_u91cfj = _accum_0
+end
+local _u53d8_u91cfk
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        local _list_0 = _u5f88_u591a_u4e1c_u897f
+        for _index_0 = 1, #_list_0 do
+                local _des_0 = _list_0[_index_0]
+                local _u5143_u7d20a, _u5143_u7d20b, _u5143_u7d20c = _des_0[1], _des_0[2], _des_0[3]
+                _accum_0[_len_0] = _u5143_u7d20a
+                _len_0 = _len_0 + 1
+        end
+        _u53d8_u91cfk = _accum_0
+end
+local _u53d8_u91cfi
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        local _list_0 = _u5f88_u591a_u4e1c_u897f
+        for _index_0 = 1, #_list_0 do
+                local _des_0 = _list_0[_index_0]
+                local _u4f60_u597d, _u4e16_u754c = _des_0["你好"], _des_0["世界"]
+                _accum_0[_len_0] = _u4f60_u597d
+                _len_0 = _len_0 + 1
+        end
+        _u53d8_u91cfi = _accum_0
+end
+local _u53d8_u91cfhj
+do
+        local _tbl_0 = { }
+        for _des_0 in _u5f88_u591a_u4e1c_u897f do
+                local _u5143_u7d20a, _u5143_u7d20b, _u5143_u7d20c = _des_0[1], _des_0[2], _des_0[3]
+                _tbl_0[_u5143_u7d20a] = _u5143_u7d20c
+        end
+        _u53d8_u91cfhj = _tbl_0
+end
+local _u53d8_u91cfhk
+do
+        local _tbl_0 = { }
+        local _list_0 = _u5f88_u591a_u4e1c_u897f
+        for _index_0 = 1, #_list_0 do
+                local _des_0 = _list_0[_index_0]
+                local _u5143_u7d20a, _u5143_u7d20b, _u5143_u7d20c = _des_0[1], _des_0[2], _des_0[3]
+                _tbl_0[_u5143_u7d20a] = _u5143_u7d20c
+        end
+        _u53d8_u91cfhk = _tbl_0
+end
+local _u53d8_u91cfhi
+do
+        local _tbl_0 = { }
+        local _list_0 = _u5f88_u591a_u4e1c_u897f
+        for _index_0 = 1, #_list_0 do
+                local _des_0 = _list_0[_index_0]
+                local _u4f60_u597d, _u4e16_u754c = _des_0["你好"], _des_0["世界"]
+                _tbl_0[_u4f60_u597d] = _u4e16_u754c
+        end
+        _u53d8_u91cfhi = _tbl_0
+end
+for _des_0 in _u5f88_u591a_u4e1c_u897f do
+        local _u5143_u7d20a, _u5143_u7d20b, _u5143_u7d20c = _des_0[1], _des_0[2], _des_0[3]
+        _u6ca1_u9519(_u5143_u7d20a, _u5143_u7d20b, _u5143_u7d20c)
+end
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        local _max_0 = 3 + 4
+        for _index_0 = 1 + 2, _max_0 < 0 and #_u5217_u8868 + _max_0 or _max_0 do
+                local _u9879_u76ee = _u5217_u8868[_index_0]
+                _accum_0[_len_0] = _u9879_u76ee
+                _len_0 = _len_0 + 1
+        end
+        __u65e0_u6548_u53d8_u91cf = _accum_0
+end
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        local _max_0 = 2 - _u4e1c_u897f[4]
+        for _index_0 = _u4f60_u597d() * 4, _max_0 < 0 and #_u5217_u8868 + _max_0 or _max_0 do
+                local _u9879_u76ee = _u5217_u8868[_index_0]
+                _accum_0[_len_0] = _u9879_u76ee
+                _len_0 = _len_0 + 1
+        end
+        __u65e0_u6548_u53d8_u91cf = _accum_0
+end
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u9879_u76ee in _u5217_u8868 do
+                if _u9879_u76ee ~= nil then
+                        _accum_0[_len_0] = _u9879_u76ee["调用"](_u9879_u76ee, 123)
+                end
+                _len_0 = _len_0 + 1
+        end
+        _u5217_u8868 = _accum_0
+end
+return nil
diff --git a/spec/outputs/unicode/cond.lua b/spec/outputs/unicode/cond.lua
new file mode 100644
index 0000000..f972dea
--- /dev/null
+++ b/spec/outputs/unicode/cond.lua
@@ -0,0 +1,354 @@
+local _u4f60_u5f88_u9177 = false
+local __u65e0_u6548_u53d8_u91cf
+if _u9177 then
+        if _u4f60_u5f88_u9177 then
+                __u65e0_u6548_u53d8_u91cf = _u4e00
+        else
+                if _u5403_u4e1c_u897f then
+                        __u65e0_u6548_u53d8_u91cf = _u597d
+                else
+                        __u65e0_u6548_u53d8_u91cf = _u4e8c
+                        __u65e0_u6548_u53d8_u91cf = _u4e09
+                end
+        end
+else
+        __u65e0_u6548_u53d8_u91cf = _u5426
+end
+if _u9177 then
+        __u65e0_u6548_u53d8_u91cf = _u5426
+end
+if _u9177 then
+        __u65e0_u6548_u53d8_u91cf = _u5426
+else
+        __u65e0_u6548_u53d8_u91cf = _u662f
+end
+if _u9177 then
+        _u5594(_u9177)
+else
+        _u6ca1_u90a3_u4e48(_u9177)
+end
+if _u5728_u5de5_u4f5c then
+        if _u9177 then
+                if _u9177 then
+                        __u65e0_u6548_u53d8_u91cf = _u597d_u5427
+                else
+                        __u65e0_u6548_u53d8_u91cf = _u4ec0_u4e48
+                end
+        else
+                __u65e0_u6548_u53d8_u91cf = _u5450
+        end
+end
+if _u270c_ufe0f then
+        _u65e0(_u65e5)
+elseif _u9177(_u6211) then
+        _u597d_u5427(_u5440)
+else
+        u_u578b(_u8def)
+end
+if _u270c_ufe0f then
+        _u65e0(_u7236)
+else
+        if _u9177(_u4f60) then
+                _u597d_u5427(_u5427)
+        else
+                p_u578b(_u8def)
+        end
+end
+if (function() end)() then
+        _u968f_u4fbf(_u600e_u6837)
+end
+if nil then
+        _u7ffb_u8f6c(_u6211)
+else
+        _u8fd9_u4e2a(_u662f, _u5f27_u5ea6)
+end
+if _u4e1c_u897f(_u4e0d_u9519) then
+        _u6ca1(_u6cd5)
+elseif _u597d_u7684(_u786e_u5b9a) then
+        _u4ec0_u4e48(_u8fd9_u91cc)
+end
+if _u5f88_u591a_u4e1c_u897f then
+        _u6ca1(_u673a_u4f1a)
+elseif _u597d_u5427 then
+        _u73b0_u5728(_u600e_u4e48_u529e)
+end
+if _u5f88_u591a_u4e1c_u897f then
+        _u662f(_u4f19_u8ba1)
+elseif _u597d_u7684(_u4eba) then
+        _u55e8(_u597d_u5440)
+else
+        _u55ef(_u786e_u5b9a)
+end
+if _u6211_u4eec(_u8d70_u5427) then
+        _u6253_u5370("打招呼")
+elseif "只有我们" then
+        _u6253_u5370("威尔史密斯")
+else
+        _u663e_u793a(5555555)
+end
+do
+        local _u67d0_u4e1c_u897f = 10
+        if _u67d0_u4e1c_u897f then
+                _u6253_u5370(_u67d0_u4e1c_u897f)
+        else
+                _u6253_u5370("其它")
+        end
+end
+local _u4f60_u597d
+do
+        local _u67d0_u4e1c_u897f = 10
+        if _u67d0_u4e1c_u897f then
+                _u4f60_u597d = _u6253_u5370(_u67d0_u4e1c_u897f)
+        else
+                _u4f60_u597d = _u6253_u5370("其它")
+        end
+end
+_u4f60_u597d = 5 + (function()
+        local _u67d0_u4e1c_u897f = 10
+        if _u67d0_u4e1c_u897f then
+                return _u6253_u5370(_u67d0_u4e1c_u897f)
+        end
+end)()
+local z_u53d8_u91cf = false
+if false then
+        __u65e0_u6548_u53d8_u91cf = _u4e00
+else
+        do
+                local _u6761_u4ef6x = true
+                if _u6761_u4ef6x then
+                        __u65e0_u6548_u53d8_u91cf = _u4e8c
+                else
+                        do
+                                local _u6761_u4ef6z = true
+                                if _u6761_u4ef6z then
+                                        __u65e0_u6548_u53d8_u91cf = _u4e09
+                                else
+                                        __u65e0_u6548_u53d8_u91cf = _u56db
+                                end
+                        end
+                end
+        end
+end
+local _u8f93_u51fa
+if false then
+        _u8f93_u51fa = _u4e00
+else
+        do
+                local _u6761_u4ef6x = true
+                if _u6761_u4ef6x then
+                        _u8f93_u51fa = _u4e8c
+                else
+                        do
+                                local _u6761_u4ef6z = true
+                                if _u6761_u4ef6z then
+                                        _u8f93_u51fa = _u4e09
+                                else
+                                        _u8f93_u51fa = _u56db
+                                end
+                        end
+                end
+        end
+end
+local _u53d8_u91cf
+_u53d8_u91cf = function()
+        do
+                local _u67d0_u4e1c_u897f = true
+                if _u67d0_u4e1c_u897f then
+                        return 1
+                else
+                        do
+                                local _u53e6_u4e00_u4e2a = false
+                                if _u53e6_u4e00_u4e2a then
+                                        return 2
+                                end
+                        end
+                end
+        end
+end
+if not true then
+        _u6253_u5370("酷!")
+end
+if not (true and false) then
+        _u6253_u5370("酷!")
+end
+if not false then
+        _u6253_u5370("酷!")
+end
+if not false then
+        _u6253_u5370("酷!")
+else
+        _u6253_u5370("no way!")
+end
+if not nil then
+        _u6253_u5370("hello")
+else
+        _u6253_u5370("world")
+end
+local x
+if not true then
+        x = _u6253_u5370("酷!")
+end
+if not (true and false) then
+        x = _u6253_u5370("酷!")
+end
+local y
+if not false then
+        y = _u6253_u5370("酷!")
+end
+if not false then
+        y = _u6253_u5370("酷!")
+else
+        y = _u6253_u5370("没门!")
+end
+local z
+if not nil then
+        z = _u6253_u5370("你好")
+else
+        z = _u6253_u5370("世界")
+end
+_u6253_u5370((function()
+        if not true then
+                return _u6253_u5370("酷!")
+        end
+end)())
+_u6253_u5370((function()
+        if not (true and false) then
+                return _u6253_u5370("酷!")
+        end
+end)())
+_u6253_u5370((function()
+        if not false then
+                return _u6253_u5370("酷!")
+        end
+end)())
+_u6253_u5370((function()
+        if not false then
+                return _u6253_u5370("酷!")
+        else
+                return _u6253_u5370("没门!")
+        end
+end)())
+_u6253_u5370((function()
+        if not nil then
+                return _u6253_u5370("你好")
+        else
+                return _u6253_u5370("世界")
+        end
+end)())
+if not _u503c then
+        _u6253_u5370("你好")
+end
+local _u53d8_u91cfdddd
+if not _u503c then
+        _u53d8_u91cfdddd = {
+                1,
+                2,
+                3
+        }
+end
+do
+        local j_u53d8_u91cf = 100
+        j_u53d8_u91cf = _u55e8()
+        if not j_u53d8_u91cf then
+                _u9519_u8bef("不是 j变量!")
+        end
+end
+local _u53d8_u91cfa = 12
+local _u53d8_u91cfc, _u53d8_u91cfb
+if _u67d0_u4e1c_u897f then
+        _u53d8_u91cfa, _u53d8_u91cfc, _u53d8_u91cfb = "酷", nil, nil
+end
+local _u53d8_u91cfj
+if 1 then
+        if 2 then
+                _u53d8_u91cfj = 3
+        end
+else
+        _u53d8_u91cfj = 6
+end
+local _u53d8_u91cfm
+if 1 then
+        if 2 then
+                _u53d8_u91cfm = 3
+        end
+else
+        _u53d8_u91cfm = 6
+end
+do
+        _u51fd_u6570a({
+                ["字段b"] = _u5b57_u6bb5b
+        })
+        if _u51fd_u6570a then
+                return {
+                        ["字段b"] = _u5b57_u6bb5b
+                }
+        else
+                if _u51fd_u6570c then
+                        return {
+                                ["字段d"] = _u53d8_u91cfe
+                        }
+                else
+                        return {
+                                ["字段f"] = 123
+                        }
+                end
+        end
+end
+do
+        _u51fd_u6570c({
+                ["字段d"] = _u53d8_u91cfe
+        })
+        if _u6761_u4ef6a then
+                local _u5b57_u6bb5b = _u53d8_u91cftb["字段b"]
+        elseif _u6761_u4ef6c then
+                local _u53d8_u91cfe = _u53d8_u91cftb["字段d"]
+        end
+end
+do
+        local _des_0 = _u6570_u5b66_u5e93
+        if _des_0 then
+                local _u6d3e = _des_0["派"]
+                _u6253_u5370(_u6d3e)
+        end
+end
+do
+        local _u6570_u5b66_u5e93
+        if _u6570_u5b66_u5e93 then
+                local _u6d3e = _u6570_u5b66_u5e93["派"]
+                _u6253_u5370(_u6d3e)
+        end
+end
+do
+        do
+                local __u6a21_u5757 = { }
+                if __u6a21_u5757 then
+                        local _u4e1c_u897f = __u6a21_u5757["东西"]
+                        local a_u529f_u80fd, b_u529f_u80fd = __u6a21_u5757["a功能"], __u6a21_u5757["b功能"]
+                end
+        end
+end
+do
+        do
+                local _des_0 = { }
+                if _des_0 then
+                        __u6a21_u5757 = _des_0
+                        local _u4e1c_u897f = __u6a21_u5757["东西"]
+                        local a_u529f_u80fd, b_u529f_u80fd
+                        do
+                                local _obj_0 = __u6a21_u5757
+                                a_u529f_u80fd, b_u529f_u80fd = _obj_0["a功能"], _obj_0["b功能"]
+                        end
+                end
+        end
+end
+do
+        local _u53d8_u91cfv
+        if 1 and (function()
+                return 0 ~= 1
+        end)() then
+                _u53d8_u91cfv = 1
+        else
+                _u53d8_u91cfv = 2
+        end
+end
+return nil
diff --git a/spec/outputs/unicode/destructure.lua b/spec/outputs/unicode/destructure.lua
new file mode 100644
index 0000000..002c4b0
--- /dev/null
+++ b/spec/outputs/unicode/destructure.lua
@@ -0,0 +1,637 @@
+do
+        local _u5143_u7d20a, _u5143_u7d20b
+        do
+                local _obj_0 = _u4f60_u597d
+                _u5143_u7d20a, _u5143_u7d20b = _obj_0[1], _obj_0[2]
+        end
+        local _u5143_u7d20c
+        do
+                local _obj_0 = _u4f60_u597d
+                _u5143_u7d20a, _u5143_u7d20b, _u5143_u7d20c = _obj_0[1][1], _obj_0[2], _obj_0[3][1]
+        end
+        local _u4f60_u597d, _u4e16_u754c
+        do
+                local _obj_0 = _u503c
+                _u4f60_u597d, _u4e16_u754c = _obj_0["你好"], _obj_0["世界"]
+        end
+end
+do
+        local _u5426, _u4e1c_u897f
+        do
+                local _obj_0 = _u4e16_u754c
+                _u5426, _u4e1c_u897f = _obj_0["是"], _obj_0[1]
+        end
+        local _u5b57_u6bb5a, _u5b57_u6bb5b, _u5b57_u6bb5c, d_u5b57_u6bb5
+        do
+                local _obj_0 = _u597d
+                _u5b57_u6bb5a, _u5b57_u6bb5b, _u5b57_u6bb5c, d_u5b57_u6bb5 = _obj_0["字段a"], _obj_0["字段b"], _obj_0["字段c"], _obj_0["d字段"]
+        end
+        local _u53d8_u91cfb = _u4e8c
+        local a_u5143_u7d20 = _u4e00[1]
+        local _u53d8_u91cfc = nil
+        local b_u5143_u7d20 = _u4e00[1]
+        local _u53d8_u91cfe = _u4e8c
+        local d_u5143_u7d20 = _u4e00[1]
+        local _u53d8_u91cfx = _u4e00
+        local _u5143_u7d20y = _u4e8c[1]
+        local _u53d8_u91cfxx, _u53d8_u91cfyy = 1, 2
+        local _u5143_u7d20yy, _u5143_u7d20xx
+        do
+                local _obj_0 = {
+                        _u53d8_u91cfxx,
+                        _u53d8_u91cfyy
+                }
+                _u5143_u7d20yy, _u5143_u7d20xx = _obj_0[1], _obj_0[2]
+        end
+        local _u5143_u7d20a, _u5143_u7d20c, _u5b57_u6bb5d, _u5143_u7d20e, _u5b57_u6bb5f, _u5143_u7d20g
+        do
+                local _obj_0 = _u8868
+                _u5143_u7d20a, _u5b57_u6bb5b, _u5143_u7d20c, _u5b57_u6bb5d, _u5143_u7d20e, _u5b57_u6bb5f, _u5143_u7d20g = _obj_0[1], _obj_0["字段b"], _obj_0[2], _obj_0["字段d"], _obj_0[3], _obj_0["字段f"], _obj_0[4]
+        end
+        do
+                _u53d8_u91cfc = nil
+                do
+                        local _obj_0 = _u8868
+                        _u5b57_u6bb5a, _u5b57_u6bb5b = _obj_0["字段a"], _obj_0["字段b"]
+                end
+        end
+        do
+                local _u53d8_u91cfa = _u8868
+                do
+                        local _obj_0 = __u65e0_u6548_u53d8_u91cf
+                        _u5b57_u6bb5b, _u5b57_u6bb5c = _obj_0["字段b"], _obj_0["字段c"]
+                end
+        end
+        do
+                _u53d8_u91cfb = __u65e0_u6548_u53d8_u91cf
+                _u5b57_u6bb5a = _u8868["字段a"]
+                _u5b57_u6bb5c = __u65e0_u6548_u53d8_u91cf["字段c"]
+        end
+end
+do
+        local _u672a_u6765_u4eba_u4eec = {
+                ["雕刻家"] = "翁贝托·博乔尼",
+                ["画家"] = "弗拉基米尔·伯留克",
+                ["诗人"] = {
+                        ["姓名"] = "F.T.马里内蒂",
+                        ["地址"] = {
+                                "罗马42R大街",
+                                "贝拉焦，意大利 22021"
+                        }
+                }
+        }
+        do
+                local _u59d3_u540d, _u8857_u9053, _u57ce_u5e02 = _u672a_u6765_u4eba_u4eec["诗人"]["姓名"], _u672a_u6765_u4eba_u4eec["诗人"]["地址"][1], _u672a_u6765_u4eba_u4eec["诗人"]["地址"][2]
+        end
+        do
+                local _u96d5_u523b_u5bb6, _u753b_u5bb6, _u59d3_u540d, _u8857_u9053, _u57ce_u5e02 = _u672a_u6765_u4eba_u4eec["雕刻家"], _u672a_u6765_u4eba_u4eec["画家"], _u672a_u6765_u4eba_u4eec["诗人"]["姓名"], _u672a_u6765_u4eba_u4eec["诗人"]["地址"][1], _u672a_u6765_u4eba_u4eec["诗人"]["地址"][2]
+        end
+end
+do
+        local _u53d8_u91cfc, _u53d8_u91cfe
+        do
+                local _obj_0 = _u5bf9_u8c61tb
+                _u53d8_u91cfc, _u53d8_u91cfe = _obj_0["字段a"]["字段b"], _obj_0["字段a"]["字段d"]
+        end
+end
+do
+        local _u53d8_u91cfc, _u53d8_u91cfe, _u5143_u7d20f
+        do
+                local _obj_0 = _u5bf9_u8c61tb
+                _u53d8_u91cfc, _u53d8_u91cfe, _u5143_u7d20f = _obj_0["字段a"][1]["字段b"], _obj_0["字段a"][2]["字段d"], _obj_0["字段a"][3]
+        end
+end
+do
+        self["世界"] = _u53d8_u91cfx[1]
+        do
+                local _obj_0 = _u53d8_u91cfx
+                _u5bf9_u8c61a["字段b"], _u5bf9_u8c61c["字段y"], _u51fd_u6570()["字段z"] = _obj_0[1], _obj_0[2], _obj_0[3]
+        end
+        self["世界"] = _u53d8_u91cfx["世界"]
+end
+do
+        local _u4e1c_u897f = {
+                {
+                        1,
+                        2
+                },
+                {
+                        3,
+                        4
+                }
+        }
+        for _index_0 = 1, #_u4e1c_u897f do
+                local _des_0 = _u4e1c_u897f[_index_0]
+                local _u5143_u7d20x, _u5143_u7d20y = _des_0[1], _des_0[2]
+                _u6253_u5370(_u5143_u7d20x, _u5143_u7d20y)
+        end
+end
+do
+        do
+                local _with_0 = _u4e1c_u897f
+                local _u5143_u7d20a, _u5143_u7d20b = _with_0[1], _with_0[2]
+                _u6253_u5370(_u5143_u7d20a, _u5143_u7d20b)
+        end
+end
+do
+        local _u4e1c_u897f = nil
+        if _u4e1c_u897f then
+                local _u5143_u7d20a = _u4e1c_u897f[1]
+                _u6253_u5370(_u5143_u7d20a)
+        else
+                _u6253_u5370("没东西")
+        end
+        local _u4e1c_u4e1c = {
+                1,
+                2
+        }
+        if _u4e1c_u4e1c then
+                local _u5143_u7d20a, _u5143_u7d20b = _u4e1c_u4e1c[1], _u4e1c_u4e1c[2]
+                _u6253_u5370(_u5143_u7d20a, _u5143_u7d20b)
+        end
+        if _u4e1c_u897f then
+                local _u5143_u7d20a, _u5143_u7d20b = _u4e1c_u897f[1], _u4e1c_u897f[2]
+                _u6253_u5370(_u5143_u7d20a, _u5143_u7d20b)
+        else
+                if _u4e1c_u4e1c then
+                        local _u5143_u7d20c, _u5143_u7d20d = _u4e1c_u4e1c[1], _u4e1c_u4e1c[2]
+                        _u6253_u5370(_u5143_u7d20c, _u5143_u7d20d)
+                else
+                        _u6253_u5370("不")
+                end
+        end
+end
+do
+        local _u53d8_u91cfz = "好"
+        local _u5143_u7d20a, _u5143_u7d20b, _u5143_u7d20c = _u53d8_u91cfz[1], _u53d8_u91cfz[2], _u53d8_u91cfz[3]
+end
+do
+        local _u5143_u7d20a, _u5143_u7d20b, _u5143_u7d20c
+        do
+                local _obj_0 = _u53d8_u91cfz
+                _u5143_u7d20a, _u5143_u7d20b, _u5143_u7d20c = _obj_0[1], _obj_0[2], _obj_0[3]
+        end
+end
+local _
+_ = function(_u53c2_u6570z)
+        local _u5143_u7d20a, _u5143_u7d20b, _u5143_u7d20c = _u53c2_u6570z[1], _u53c2_u6570z[2], _u53c2_u6570z[3]
+end
+do
+        local _u53d8_u91cfz = "〇〇"
+        _ = function(_u53c2_u6570k)
+                local _u5143_u7d20a, _u5143_u7d20b, _u5143_u7d20c
+                do
+                        local _obj_0 = _u53c2_u6570z
+                        _u5143_u7d20a, _u5143_u7d20b, _u5143_u7d20c = _obj_0[1], _obj_0[2], _obj_0[3]
+                end
+        end
+end
+do
+        local _u7ed3_u675f_u53d8_u91cf = _u4e1c_u897f["函数"]["结束"]
+end
+do
+        local _u5143_u7d20a, _u5143_u7d20b, _u5143_u7d20c
+        do
+                local _obj_0 = _u4e1c_u897f
+                _u5143_u7d20a, _u5143_u7d20b, _u5143_u7d20c = _obj_0["如果"][1], _obj_0["如果"][2], _obj_0["如果"][3]
+        end
+end
+do
+        local _u5b57_u6bb5a, _u5b57_u6bb5b
+        if true then
+                do
+                        local _obj_0 = {
+                                ["字段a"] = "你好",
+                                ["字段b"] = "世界"
+                        }
+                        _u5b57_u6bb5a, _u5b57_u6bb5b = _obj_0["字段a"], _obj_0["字段b"]
+                end
+        end
+        local _u5929, _u5c0f_u65f6, _u5206_u949f, _u79d2
+        do
+                local _accum_0 = { }
+                local _len_0 = 1
+                local _list_0 = {
+                        string.match("1 2 3 4", "(.+)%s(.+)%s(.+)%s(.+)")
+                }
+                for _index_0 = 1, #_list_0 do
+                        local _u5143_u7d20 = _list_0[_index_0]
+                        _accum_0[_len_0] = tonumber(_u5143_u7d20)
+                        _len_0 = _len_0 + 1
+                end
+                _u5929, _u5c0f_u65f6, _u5206_u949f, _u79d2 = _accum_0[1], _accum_0[2], _accum_0[3], _accum_0[4]
+        end
+        local _u4e00, _u4e8c, _u4e09
+        do
+                local _tbl_0 = { }
+                for _u5339_u914d_u7ed3_u679c in (function()
+                        local _call_0 = _u968f_u673a_u5bf9_u8c61
+                        return _call_0["全局匹配"](_call_0, "%S+")
+                end)() do
+                        _tbl_0[_u5339_u914d_u7ed3_u679c] = true
+                end
+                _u4e00, _u4e8c, _u4e09 = _tbl_0["一"], _tbl_0["二"], _tbl_0["三"]
+        end
+        local _u53d8_u91cfb = 123
+        _u5b57_u6bb5a = ((function()
+                local _call_0 = _u5bf9_u8c61a
+                return _call_0["如果"](_call_0, 123)
+        end)() + _u53d8_u91cft)["字段a"]
+end
+do
+        local _u540d_u79f0, _u5de5_u4f5c
+        do
+                local _obj_0 = _u4e2a_u4eba
+                _u540d_u79f0, _u5de5_u4f5c = _obj_0["名称"], _obj_0["工作"]
+                if _u540d_u79f0 == nil then
+                        _u540d_u79f0 = "没名字"
+                end
+                if _u5de5_u4f5c == nil then
+                        _u5de5_u4f5c = "没工作"
+                end
+        end
+        local _u8bf7_u6c42
+        _u8bf7_u6c42 = function(_u5730_u5740, _u9009_u9879)
+                if _u9009_u9879 == nil then
+                        _u9009_u9879 = { }
+                end
+                local _u65b9_u5f0f, _u8bf7_u6c42_u5934, _u53c2_u6570, _u8d1f_u8f7d, _u786e_u8ba4, _u9519_u8bef, _u6700_u7ec8_u5904_u7406 = _u9009_u9879["方式"], _u9009_u9879["请求头"], _u9009_u9879["参数"], _u9009_u9879["负载"], _u9009_u9879["确认"], _u9009_u9879["错误"], _u9009_u9879["最终处理"]
+                if _u65b9_u5f0f == nil then
+                        _u65b9_u5f0f = "GET"
+                end
+                if _u8bf7_u6c42_u5934 == nil then
+                        _u8bf7_u6c42_u5934 = { }
+                end
+                if _u53c2_u6570 == nil then
+                        _u53c2_u6570 = { }
+                end
+                if _u8d1f_u8f7d == nil then
+                        _u8d1f_u8f7d = ""
+                end
+                local _u7ed3_u679c = _u53d1_u8d77_u8bf7_u6c42(_u5730_u5740, _u65b9_u5f0f, _u53c2_u6570, _u8d1f_u8f7d, _u786e_u8ba4, _u9519_u8bef, _u6700_u7ec8_u5904_u7406)
+                return _u7ed3_u679c
+        end
+        local _u503c1, _u952e3
+        do
+                local _obj_0 = _u5bf9_u8c61tb
+                _u503c1, _u952e3 = _obj_0["键1"]["键2"], _obj_0["键3"]
+                if _u503c1 == nil then
+                        _u503c1 = 123
+                end
+                if _u952e3 == nil then
+                        _u952e3 = "abc"
+                end
+        end
+        local _u5143_u8868, call, add
+        do
+                local _obj_0 = getmetatable(_u5bf9_u8c61tb)
+                _u5143_u8868, call, add = _obj_0, getmetatable(_obj_0).__call, getmetatable(_obj_0).__add
+                if _u5143_u8868 == nil then
+                        _u5143_u8868 = {
+                                __index = {
+                                        ["字段abc"] = 123
+                                }
+                        }
+                end
+                if call == nil then
+                        call = (function()
+                                return { }
+                        end)
+                end
+        end
+        local _u5143_u8868x, y_u5b57_u6bb5, z_u53d8_u91cf, index
+        do
+                local _obj_0 = _u5bf9_u8c61tb
+                _u5143_u8868x, y_u5b57_u6bb5, z_u53d8_u91cf = getmetatable(_obj_0["字段x"]), _obj_0["y字段"], _obj_0["z字段"]
+                if _u5143_u8868x == nil then
+                        _u5143_u8868x = { }
+                end
+                index = getmetatable(_obj_0).__index
+                if index == nil then
+                        index = function()
+                                return nil
+                        end
+                end
+        end
+        do
+                local _tmp_0
+                do
+                        local _obj_0 = getmetatable(_u5bf9_u8c61tb)
+                        _tmp_0 = _obj_0["函数"]
+                end
+                if _tmp_0 == nil then
+                        do
+                                local _obj_0 = _u9879_u76ee
+                                if _obj_0 ~= nil then
+                                        _tmp_0 = _obj_0["默认值"]
+                                end
+                        end
+                end
+                a_u5bf9_u8c61["b字段"](function()
+                        return 123
+                end)["字段c"] = _tmp_0
+        end
+end
+do
+        local _u5143_u8868, _u51cf_u51fd_u6570
+        do
+                local _obj_0 = getmetatable(_u5bf9_u8c61tb["字段x"])
+                _u5143_u8868, _u51cf_u51fd_u6570 = _obj_0, _obj_0.__sub
+                if _u5143_u8868 == nil then
+                        _u5143_u8868 = { }
+                end
+        end
+end
+do
+        local _u5143_u8868, _u51cf_u51fd_u6570
+        do
+                local _obj_0 = _u5bf9_u8c61tb
+                _u5143_u8868, _u51cf_u51fd_u6570 = getmetatable(_obj_0["x字段"]), getmetatable(_obj_0["x字段"]).__sub
+                if _u5143_u8868 == nil then
+                        _u5143_u8868 = { }
+                end
+        end
+end
+do
+        local _u5143_u7d20a, _u5143_u7d20b
+        do
+                local _obj_0 = _u5bf9_u8c61tb
+                local _tmp_0
+                _u5143_u7d20a, _u5143_u7d20b, _tmp_0 = _obj_0[1], _obj_0[2], _obj_0["字段c"][1]
+                if _u5143_u7d20a == nil then
+                        _u5143_u7d20a = 1
+                end
+                if _u5143_u7d20b == nil then
+                        _u5143_u7d20b = 2
+                end
+                if _tmp_0 == nil then
+                        _tmp_0 = 3
+                end
+                _u5bf9_u50cfd["字段e"] = _tmp_0
+        end
+        local _list_0 = _u5143_u7ec4_u5217_u8868
+        for _index_0 = 1, #_list_0 do
+                local _des_0 = _list_0[_index_0]
+                local _u5de6, _u53f3 = _des_0[1], _des_0[2]
+                if _u5de6 == nil then
+                        _u5de6 = "null"
+                end
+                if _u53f3 == nil then
+                        _u53f3 = false
+                end
+                _u6253_u5370(_u5de6, _u53f3)
+        end
+end
+do
+        local a_u5143_u7d20, b_u5143_u7d20
+        do
+                local _obj_0 = _u5bf9_u8c61tb
+                a_u5143_u7d20, b_u5143_u7d20 = _obj_0[2], _obj_0[4]
+        end
+end
+do
+        do
+                local _obj_0 = _u5bf9_u8c61x["字段x"]["字段x"]
+                local _tmp_0, _tmp_1 = _obj_0["字段x"], _obj_0["y字段"]
+                if _tmp_0 == nil then
+                        _tmp_0 = 1
+                end
+                if _tmp_1 == nil then
+                        _tmp_1 = 2
+                end
+                _u5bf9_u8c61a["字段b"] = _tmp_0
+                a_u5bf9_u8c61["c字段"] = _tmp_1
+        end
+end
+do
+        local _u5bbd, _u9ad8
+        do
+                local _obj_0 = _u89c6_u533a["尺寸"]
+                _u5bbd, _u9ad8 = _obj_0["宽"], _obj_0["高"]
+        end
+        local x_u5750_u6807, y_u5750_u6807
+        do
+                local _obj_0 = _u70b9
+                x_u5750_u6807, y_u5750_u6807 = _obj_0["x坐标"], _obj_0["y坐标"]
+                if x_u5750_u6807 == nil then
+                        x_u5750_u6807 = 0.0
+                end
+                if y_u5750_u6807 == nil then
+                        y_u5750_u6807 = 0.0
+                end
+        end
+end
+do
+        local _u53d8_u91cf1, _u53d8_u91cf2, _u53d8_u91cf3, _u53d8_u91cfd, _u53d8_u91cfe
+        local _u5143_u7d20b
+        do
+                local _obj_0, _obj_1, _obj_2, _obj_3, _obj_4 = _u51fd_u6570()
+                do
+                        local _obj_5 = _u6570_u7ec4a
+                        _obj_5[#_obj_5 + 1] = _obj_0
+                end
+                setmetatable(_u5bf9_u8c61c, _obj_4)
+                _u53d8_u91cf1, _u53d8_u91cf2, _u53d8_u91cf3, _u53d8_u91cfd, _u53d8_u91cfe = 1, 2, 3, _obj_1, _obj_3
+                _u5143_u7d20b = _obj_2[1]
+        end
+        local _u53d8_u91cfy1, _u53d8_u91cfy4
+        local _u5b57_u6bb5y2, _u5b57_u6bb5y3
+        do
+                local _obj_0, _obj_1 = _u51fd_u65702()
+                _u53d8_u91cfy1, _u53d8_u91cfy4 = _u51fd_u65701(), _obj_1
+                _u5b57_u6bb5y2, _u5b57_u6bb5y3 = _obj_0["字段y2"], _obj_0["字段y3"]
+        end
+end
+do
+        local _u53d8_u91cfv1, _u53d8_u91cfv2, _u53d8_u91cfv3, _u53d8_u91cfv4
+        do
+                local _obj_0 = _u5bf9_u8c61tb
+                local _tmp_0, _tmp_1 = 1 + 1, self.x
+                _u53d8_u91cfv1, _u53d8_u91cfv2, _u53d8_u91cfv3, _u53d8_u91cfv4 = _obj_0[ [["abc"]]], _obj_0[_tmp_0][1], _obj_0[_tmp_0][2], _obj_0[_tmp_1]
+                if _u53d8_u91cfv1 == nil then
+                        _u53d8_u91cfv1 = 111
+                end
+                if _u53d8_u91cfv2 == nil then
+                        _u53d8_u91cfv2 = 222
+                end
+                if _u53d8_u91cfv3 == nil then
+                        _u53d8_u91cfv3 = 333
+                end
+                if _u53d8_u91cfv4 == nil then
+                        _u53d8_u91cfv4 = 444
+                end
+        end
+        local _u53d8_u91cfv5, _u53d8_u91cfv6, _u53d8_u91cfv7
+        do
+                local _obj_0 = _u5bf9_u8c61tb2
+                local _tmp_2, _tmp_3 = _u51fd_u6570(), _u51fd_u65702()
+                _u53d8_u91cfv5, _u53d8_u91cfv6, _u53d8_u91cfv7 = _obj_0['x-y-z'], _obj_0[_tmp_2][_tmp_3], _obj_0[_tmp_2][1]
+        end
+end
+do
+        local _u503c, _u5143_u503c
+        do
+                local _obj_0 = _u5bf9_u8c61tb
+                _u503c = _obj_0[_u540d_u79f0]
+                _u5143_u503c = getmetatable(_obj_0)[_u540d_u79f0]
+        end
+end
+do
+        local tostring, add
+        do
+                local _obj_0 = getmetatable(_u5bf9_u8c61tb)
+                tostring, add = _obj_0.__tostring, _obj_0.__add
+                if tostring == nil then
+                        tostring = (function()
+                                return "名称"
+                        end)
+                end
+        end
+        do
+                local _exp_0 = _u5bf9_u8c61tb
+                local _type_0 = type(_exp_0)
+                local _tab_0 = "table" == _type_0 or "userdata" == _type_0
+                if _tab_0 then
+                        local name, _u5143_u5b57_u6bb5
+                        do
+                                local _obj_0 = getmetatable(_exp_0)
+                                name = _obj_0.__name
+                                _u5143_u5b57_u6bb5 = _obj_0["123"]
+                                if name == nil then
+                                        name = "项目"
+                                end
+                        end
+                        if _u5143_u5b57_u6bb5 ~= nil then
+                                _u6253_u5370(name, _u5143_u5b57_u6bb5)
+                        end
+                end
+        end
+end
+do
+        local _u5bf9_u8c61tb = { }
+        do
+                local _tmp_0 = _u51fd_u6570c()
+                local _u53d8_u91cfv2 = _u5bf9_u8c61tb[_tmp_0]
+        end
+        local _u53d8_u91cfv1
+        do
+                local _obj_0 = getmetatable(_u5bf9_u8c61tb)
+                local _tmp_1 = _u53d8_u91cfa + _u53d8_u91cfb
+                _u53d8_u91cfv1 = _obj_0[_tmp_1]
+        end
+end
+do
+        local add, _u5b57_u6bb5
+        do
+                local _obj_0 = _u5bf9_u8c61tb
+                add, _u5b57_u6bb5 = getmetatable(_obj_0.a).__add, getmetatable(_obj_0.b)[_u5b57_u6bb5_u540d]
+                if add == nil then
+                        add = _u52a0_u51fd_u6570
+                end
+                if _u5b57_u6bb5 == nil then
+                        _u5b57_u6bb5 = 123
+                end
+        end
+        local _u5143_u5b57_u6bb5, _u53d8_u91cfabc, _u6709_u9ed8_u8ba4_u503c
+        do
+                local _obj_0 = getmetatable(_u5bf9_u8c61tb)
+                _u5143_u5b57_u6bb5, _u53d8_u91cfabc, _u6709_u9ed8_u8ba4_u503c = _obj_0["字段abc"], _obj_0[ [[任意 字符串]]], _obj_0['字符串']
+                if _u5143_u5b57_u6bb5 == nil then
+                        _u5143_u5b57_u6bb5 = "默认值"
+                end
+                if _u53d8_u91cfabc == nil then
+                        _u53d8_u91cfabc = 123
+                end
+                if _u6709_u9ed8_u8ba4_u503c == nil then
+                        _u6709_u9ed8_u8ba4_u503c = { }
+                end
+        end
+        do
+                local _exp_0 = _u5bf9_u8c61tb
+                local _type_0 = type(_exp_0)
+                local _tab_0 = "table" == _type_0 or "userdata" == _type_0
+                if _tab_0 then
+                        do
+                                local _obj_0 = _exp_0["字段a"]
+                                local _type_1 = type(_obj_0)
+                                if "table" == _type_1 or "userdata" == _type_1 then
+                                        do
+                                                local _obj_1 = getmetatable(_obj_0)
+                                                local _type_2 = type(_obj_1)
+                                                if "table" == _type_2 or "userdata" == _type_2 then
+                                                        add = _obj_1.__add
+                                                end
+                                        end
+                                end
+                        end
+                        do
+                                local _obj_0 = _exp_0.b
+                                local _type_1 = type(_obj_0)
+                                if "table" == _type_1 or "userdata" == _type_1 then
+                                        do
+                                                local _obj_1 = getmetatable(_obj_0)
+                                                local _type_2 = type(_obj_1)
+                                                if "table" == _type_2 or "userdata" == _type_2 then
+                                                        _u5b57_u6bb5 = _obj_1[_u5b57_u6bb5_u540d]
+                                                end
+                                        end
+                                end
+                        end
+                        if add == nil then
+                                add = _u52a0_u51fd_u6570
+                        end
+                        if _u5b57_u6bb5 == nil then
+                                _u5b57_u6bb5 = 123
+                        end
+                        _u6253_u5370(add, _u5b57_u6bb5)
+                end
+        end
+        do
+                local _exp_0 = tb
+                local _type_0 = type(_exp_0)
+                local _tab_0 = "table" == _type_0 or "userdata" == _type_0
+                if _tab_0 then
+                        do
+                                local _obj_0 = _exp_0["字段c"]
+                                local _type_1 = type(_obj_0)
+                                if "table" == _type_1 or "userdata" == _type_1 then
+                                        do
+                                                local _obj_1 = getmetatable(_obj_0)
+                                                local _type_2 = type(_obj_1)
+                                                if "table" == _type_2 or "userdata" == _type_2 then
+                                                        _u5143_u5b57_u6bb5 = _obj_1["字段abc"]
+                                                end
+                                        end
+                                end
+                        end
+                        if _u5143_u5b57_u6bb5 == nil then
+                                _u5143_u5b57_u6bb5 = "默认值"
+                        end
+                        do
+                                local _obj_0 = getmetatable(_exp_0)
+                                do
+                                        local _obj_1 = _obj_0[ [[any string]]]
+                                        local _type_1 = type(_obj_1)
+                                        if "table" == _type_1 or "userdata" == _type_1 then
+                                                _u53d8_u91cfabc = _obj_1["字段d"]
+                                        end
+                                end
+                                do
+                                        local _obj_1 = _obj_0['字符串']
+                                        local _type_1 = type(_obj_1)
+                                        if "table" == _type_1 or "userdata" == _type_1 then
+                                                _u6709_u9ed8_u8ba4_u503c = _obj_1["字段e"]
+                                        end
+                                end
+                                if _u53d8_u91cfabc == nil then
+                                        _u53d8_u91cfabc = 123
+                                end
+                                if _u6709_u9ed8_u8ba4_u503c == nil then
+                                        _u6709_u9ed8_u8ba4_u503c = { }
+                                end
+                        end
+                        _u6253_u5370(_u5143_u5b57_u6bb5, _u53d8_u91cfabc, _u6709_u9ed8_u8ba4_u503c)
+                end
+        end
+end
+return nil
diff --git a/spec/outputs/unicode/do.lua b/spec/outputs/unicode/do.lua
new file mode 100644
index 0000000..f9c3079
--- /dev/null
+++ b/spec/outputs/unicode/do.lua
@@ -0,0 +1,48 @@
+do
+        _u6253_u5370("你好")
+        _u6253_u5370("世界")
+end
+local _u53d8_u91cfx
+do
+        _u6253_u5370("你好")
+        _u53d8_u91cfx = _u6253_u5370("世界")
+end
+local _u53d8_u91cfy
+do
+        local _u4e1c_u897f = "shhh"
+        _u53d8_u91cfy = function()
+                return "你好: " .. _u4e1c_u897f
+        end
+end
+local _
+_ = function()
+        if _u67d0_u6761_u4ef6 then
+                do
+                        return "好的"
+                end
+        end
+end
+local _u53d8_u91cft = {
+        ["y字段"] = (function()
+                local _u6570_u5b57 = 100
+                return function(_u53c2_u6570x)
+                        return _u53c2_u6570x + _u6570_u5b57
+                end
+        end)()
+}
+return function(_u53c2_u6570y, _u53c2_u6570k)
+        if _u53c2_u6570y == nil then
+                do
+                        _u53d8_u91cfx = 10 + 2
+                        _u53c2_u6570y = _u53d8_u91cfx
+                end
+        end
+        if _u53c2_u6570k == nil then
+                do
+                        _u53c2_u6570k = "没啥"
+                end
+        end
+        do
+                return "啊"
+        end
+end
diff --git a/spec/outputs/unicode/existential.lua b/spec/outputs/unicode/existential.lua
new file mode 100644
index 0000000..7cc6089
--- /dev/null
+++ b/spec/outputs/unicode/existential.lua
@@ -0,0 +1,223 @@
+do
+        local _obj_0 = _u51fd_u65701
+        if _obj_0 ~= nil then
+                _obj_0()
+        end
+end
+do
+        local _obj_0 = _u51fd_u65702
+        if _obj_0 ~= nil then
+                _obj_0("参数0", 123)
+        end
+end
+local _u53d8_u91cfx
+do
+        local _obj_0 = _u8868
+        if _obj_0 ~= nil then
+                _u53d8_u91cfx = _obj_0["值"]
+        end
+end
+_u6253_u5370((function()
+        local _obj_0 = _u5bf9_u8c61abc
+        if _obj_0 ~= nil then
+                local _obj_1 = _obj_0["你好 世界"]
+                if _obj_1 ~= nil then
+                        return _obj_1["字段xyz"]
+                end
+                return nil
+        end
+        return nil
+end)())
+if _u6253_u5370 and (_u53d8_u91cfx ~= nil) then
+        _u6253_u5370(_u53d8_u91cfx)
+end
+do
+        local _obj_0 = self
+        if _obj_0 ~= nil then
+                _obj_0["函数"](_obj_0, 998)
+        end
+end
+do
+        local _with_0
+        do
+                local _obj_0 = _u5bf9_u8c61abc
+                if _obj_0 ~= nil then
+                        do
+                                local _obj_1 = _obj_0()
+                                local _obj_2 = _obj_1["函数"]
+                                if _obj_2 ~= nil then
+                                        _with_0 = _obj_2(_obj_1)
+                                end
+                        end
+                end
+        end
+        if (function()
+                local _obj_0 = _with_0["函数p"]
+                if _obj_0 ~= nil then
+                        return _obj_0(_with_0, "abc")
+                end
+                return nil
+        end)() then
+                return 123
+        end
+end
+do
+        local _des_0
+        do
+                local _obj_0 = _u5bf9_u8c61a
+                if _obj_0 ~= nil then
+                        do
+                                local _obj_1 = _obj_0["如果"]
+                                if _obj_1 ~= nil then
+                                        do
+                                                local _obj_2 = _obj_1["然后"]
+                                                if _obj_2 ~= nil then
+                                                        do
+                                                                local _obj_3 = _obj_2(_obj_1, 123)
+                                                                if _obj_3 ~= nil then
+                                                                        _des_0 = _obj_3((function()
+                                                                                local _obj_4 = self
+                                                                                if _obj_4 ~= nil then
+                                                                                        return _obj_4["方法"](_obj_4, 998)
+                                                                                end
+                                                                                return nil
+                                                                        end)())
+                                                                end
+                                                        end
+                                                end
+                                        end
+                                end
+                        end
+                end
+        end
+        if _des_0 then
+                local x_u5b57_u6bb5 = _des_0["x字段"]
+                _u6253_u5370(x_u5b57_u6bb5)
+        end
+end
+local _u7ed3_u679c = ((function()
+        local _call_0 = _u5bf9_u8c61b["方法"]
+        local _obj_0 = _call_0["执行"](_call_0)
+        local _obj_1 = _obj_0["当"]
+        if _obj_1 ~= nil then
+                local _call_1 = _obj_1(_obj_0, "没问题")
+                local _base_0 = _call_1["如果"](_call_1, "默认", 998)
+                local _fn_0 = _base_0["函数"]
+                return _fn_0 and function(...)
+                        return _fn_0(_base_0, ...)
+                end
+        end
+        return nil
+end)() ~= nil)
+_u6253_u5370(_u7ed3_u679c)
+local _u81ea_u6211_u4e3a_u4e2d_u5fc3
+if (_u601d_u60f3 ~= nil) and not (_u4e16_u754c ~= nil) then
+        _u81ea_u6211_u4e3a_u4e2d_u5fc3 = true
+end
+local _u901f_u5ea6 = 0
+_u901f_u5ea6 = _u901f_u5ea6 or 15
+local _u811a_u5370 = _u91ce_u4eba or "熊"
+local _u4e13_u4e1a = '计算机科学'
+if not (_u4e13_u4e1a ~= nil) then
+        _u9009_u4fee_u8bfe_u7a0b('葡萄酒入门')
+end
+if (_u7a97_u4f53 ~= nil) then
+        local _u73af_u5883 = '浏览器（有可能）'
+end
+local _u90ae_u7f16
+do
+        local _obj_0 = _u62bd_u5956["中奖者"]
+        if _obj_0 ~= nil then
+                do
+                        local _obj_1 = _obj_0()["地址"]
+                        if _obj_1 ~= nil then
+                                _u90ae_u7f16 = _obj_1["邮政编码"]
+                        end
+                end
+        end
+end
+local _u957f_u5ea6 = (function()
+        local _obj_0 = utf8
+        if _obj_0 ~= nil then
+                return _obj_0["长度"]
+        end
+        return nil
+end)() or (function()
+        local _obj_0 = _u5b57_u7b26_u4e32
+        if _obj_0 ~= nil then
+                return _obj_0["长度"]
+        end
+        return nil
+end)() or function(_u5bf9_u8c61)
+        return #_u5bf9_u8c61
+end
+local _u53d8_u91cfa
+do
+        local _obj_0 = _u88681
+        if _obj_0 ~= nil then
+                do
+                        local _obj_1 = _obj_0["结束"]
+                        if _obj_1 ~= nil then
+                                _u53d8_u91cfa = _obj_1(_obj_0, 123 + (function()
+                                        local _obj_2 = _u88682
+                                        if _obj_2 ~= nil then
+                                                return _obj_2["然后"](_obj_2, 456)
+                                        end
+                                        return nil
+                                end)())
+                        end
+                end
+        end
+end
+local _u53d8_u91cfb = ((function()
+        local _obj_0 = _u88681
+        if _obj_0 ~= nil then
+                local _base_0 = _obj_0
+                local _fn_0 = _base_0["结束"]
+                return _fn_0 and function(...)
+                        return _fn_0(_base_0, ...)
+                end
+        end
+        return nil
+end)() ~= nil) or (function()
+        local _obj_0 = _u88682
+        if _obj_0 ~= nil then
+                local _base_0 = _obj_0
+                local _fn_0 = _base_0["然后"]
+                return _fn_0 and function(...)
+                        return _fn_0(_base_0, ...)
+                end
+        end
+        return nil
+end)()
+do
+        local _with_0 = io.open("测试.txt", "w")
+        if _with_0 ~= nil then
+                _with_0:write("你好")
+                _with_0:close()
+        end
+end
+do
+        local _obj_0 = _u8868
+        if _obj_0 ~= nil then
+                do
+                        local _obj_1 = getmetatable(_obj_0).__call
+                        if _obj_1 ~= nil then
+                                _obj_1(123)
+                        end
+                end
+        end
+end
+do
+        local _with_0
+        do
+                local _obj_0 = getmetatable(_u8868)
+                if _obj_0 ~= nil then
+                        _with_0 = getmetatable(_obj_0).__index
+                end
+        end
+        if _with_0 ~= nil then
+                _with_0["字段a"] = 1
+        end
+end
+return nil
diff --git a/spec/outputs/unicode/export.lua b/spec/outputs/unicode/export.lua
new file mode 100644
index 0000000..ef35fe5
--- /dev/null
+++ b/spec/outputs/unicode/export.lua
@@ -0,0 +1,338 @@
+local _module_0 = setmetatable({ }, { })
+local _u53d8_u91cfa, _u53d8_u91cfb, _u53d8_u91cfc = 223, 343, 123
+_module_0["变量a"], _module_0["变量b"], _module_0["变量c"] = _u53d8_u91cfa, _u53d8_u91cfb, _u53d8_u91cfc
+local _u9177 = "🧧"
+_module_0["酷"] = _u9177
+local _u53d8_u91cfd, _u53d8_u91cfe, _u53d8_u91cff = 3, 2, 1
+_module_0[#_module_0 + 1] = _u53d8_u91cfd
+_module_0[#_module_0 + 1] = _u53d8_u91cfe
+_module_0[#_module_0 + 1] = _u53d8_u91cff
+local _u67d0_u7c7b
+do
+        local _class_0
+        local _base_0 = {
+                ["嗯"] = "酷"
+        }
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        _class_0 = setmetatable({
+                __init = function() end,
+                __base = _base_0,
+                __name = "某类"
+        }, {
+                __index = _base_0,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        _u67d0_u7c7b = _class_0
+end
+_module_0["_u67d0_u7c7b"] = _u67d0_u7c7b
+if _u8fd9_u4e2a then
+        _module_0[#_module_0 + 1] = 232
+else
+        _module_0[#_module_0 + 1] = 4343
+end
+local _u4ec0_u4e48
+if _u8fd9_u4e2a then
+        _u4ec0_u4e48 = 232
+else
+        _u4ec0_u4e48 = 4343
+end
+_module_0["什么"] = _u4ec0_u4e48
+local _u53d8_u91cfy
+_u53d8_u91cfy = function()
+        local _u4f60_u597d = 3434
+end
+_module_0["变量y"] = _u53d8_u91cfy
+do
+        local _with_0 = _u4e34_u65f6
+        local _u53d8_u91cfj = 2000
+        _module_0[#_module_0 + 1] = _with_0
+end
+local cb_u7684_u503c
+do
+        local _u53d8_u91cfh = 100
+        cb_u7684_u503c = _u51fd_u6570(function(_u53c2_u6570)
+                return _u53c2_u6570(h_u53d8_u91cf)
+        end)
+end
+_module_0["cb的值"] = cb_u7684_u503c
+local _u4e2b_u4e2b
+_u4e2b_u4e2b = function()
+        local _u53d8_u91cfh = 100
+        local _u53d8_u91cfk = 100
+end
+_module_0["丫丫"] = _u4e2b_u4e2b
+do
+        local _exp_0 = _u53d8_u91cfh
+        if 100 == _exp_0 or 150 == _exp_0 then
+                _module_0[#_module_0 + 1] = 200
+        elseif 200 == _exp_0 then
+                _module_0[#_module_0 + 1] = 300
+        else
+                _module_0[#_module_0 + 1] = 0
+        end
+end
+local _u5e38_u91cf
+do
+        local _exp_0 = _u503c
+        if "好" == _exp_0 then
+                _u5e38_u91cf = 1
+        elseif "更好" == _exp_0 then
+                _u5e38_u91cf = 2
+        elseif "最好" == _exp_0 then
+                _u5e38_u91cf = 3
+        end
+end
+_module_0["常量"] = _u5e38_u91cf
+local _u9879_u76ee = _u51fd_u6570(123)
+_module_0["项目"] = _u9879_u76ee
+_module_0[#_module_0 + 1] = _u53d8_u91cfx
+_u51fd_u6570((function()
+        if _u6761_u4ef6a then
+                return _u503cb
+        end
+end)())
+_u51fd_u6570((function()
+        return 123
+end)())
+_u51fd_u6570((function()
+        local _exp_0 = _u5bf9_u8c61a
+        if _u53d8_u91cfb == _exp_0 then
+                return _u503cc
+        end
+end)())
+_u51fd_u6570((function()
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u8ba1_u6570 = 1, 10 do
+                _accum_0[_len_0] = _u8ba1_u6570
+                _len_0 = _len_0 + 1
+        end
+        return _accum_0
+end)())
+_u51fd_u6570((function()
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u8ba1_u6570 = 1, 10 do
+                _accum_0[_len_0] = _u8ba1_u6570
+                _len_0 = _len_0 + 1
+        end
+        return _accum_0
+end)())
+_u51fd_u6570((function()
+        local _tbl_0 = { }
+        for _u952e, _u503c in pairs(_u8868) do
+                _tbl_0[_u952e] = _u503c
+        end
+        return _tbl_0
+end)())
+_u51fd_u6570((function()
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u952e, _u503c in pairs(_u8868) do
+                _accum_0[_len_0] = {
+                        _u952e,
+                        _u503c
+                }
+                _len_0 = _len_0 + 1
+        end
+        return _accum_0
+end)())
+_u51fd_u6570((function()
+        local _accum_0 = { }
+        local _len_0 = 1
+        while _u6761_u4ef6a do
+                _accum_0[_len_0] = true
+                _len_0 = _len_0 + 1
+        end
+        return _accum_0
+end)())
+_u51fd_u6570((function()
+        local _with_0 = _u6761_u4ef6a
+        _with_0["字段b"] = 123
+        return _with_0
+end)())
+_u51fd_u6570((function()
+        local _obj_0 = _u5bf9_u8c61a
+        if _obj_0 ~= nil then
+                return _obj_0["字段b"]
+        end
+        return nil
+end)())
+_u51fd_u6570((function()
+        local _base_0 = _u5bf9_u8c61a
+        local _fn_0 = _base_0["字段b"]
+        return _fn_0 and function(...)
+                return _fn_0(_base_0, ...)
+        end
+end)())
+_u51fd_u6570((function()
+        local A_u7c7b
+        do
+                local _class_0
+                local _base_0 = { }
+                if _base_0.__index == nil then
+                        _base_0.__index = _base_0
+                end
+                _class_0 = setmetatable({
+                        __init = function() end,
+                        __base = _base_0,
+                        __name = "A类"
+                }, {
+                        __index = _base_0,
+                        __call = function(cls, ...)
+                                local _self_0 = setmetatable({ }, _base_0)
+                                cls.__init(_self_0, ...)
+                                return _self_0
+                        end
+                })
+                _base_0.__class = _class_0
+                A_u7c7b = _class_0
+                return _class_0
+        end
+end)())
+local _ = tostring((function()
+        if _u6761_u4ef6a then
+                return _u503cb
+        end
+end)())
+_ = tostring((function()
+        return 123
+end)())
+_ = tostring((function()
+        local _exp_0 = _u5bf9_u8c61a
+        if _u53d8_u91cfb == _exp_0 then
+                return _u503cc
+        end
+end)())
+_ = tostring((function()
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u8ba1_u6570 = 1, 10 do
+                _accum_0[_len_0] = _u8ba1_u6570
+                _len_0 = _len_0 + 1
+        end
+        return _accum_0
+end)())
+_ = tostring((function()
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u8ba1_u6570 = 1, 10 do
+                _accum_0[_len_0] = _u8ba1_u6570
+                _len_0 = _len_0 + 1
+        end
+        return _accum_0
+end)())
+_ = tostring((function()
+        local _tbl_0 = { }
+        for _u952e, _u503c in pairs(_u8868) do
+                _tbl_0[_u952e] = _u503c
+        end
+        return _tbl_0
+end)())
+_ = tostring((function()
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u952e, _u503c in pairs(_u8868) do
+                _accum_0[_len_0] = {
+                        _u952e,
+                        _u503c
+                }
+                _len_0 = _len_0 + 1
+        end
+        return _accum_0
+end)())
+_ = tostring((function()
+        local _accum_0 = { }
+        local _len_0 = 1
+        while _u6761_u4ef6a do
+                _accum_0[_len_0] = true
+                _len_0 = _len_0 + 1
+        end
+        return _accum_0
+end)())
+_ = tostring((function()
+        local _with_0 = _u5bf9_u8c61a
+        _with_0["字段b"] = 123
+        return _with_0
+end)())
+_ = tostring((function()
+        local _obj_0 = _u5bf9_u8c61a
+        if _obj_0 ~= nil then
+                return _obj_0["字段b"]
+        end
+        return nil
+end)())
+_ = tostring((function()
+        local _base_0 = _u5bf9_u8c61a
+        local _fn_0 = _base_0["字段b"]
+        return _fn_0 and function(...)
+                return _fn_0(_base_0, ...)
+        end
+end)())
+_ = tostring((function()
+        local A_u7c7b
+        do
+                local _class_0
+                local _base_0 = { }
+                if _base_0.__index == nil then
+                        _base_0.__index = _base_0
+                end
+                _class_0 = setmetatable({
+                        __init = function() end,
+                        __base = _base_0,
+                        __name = "A类"
+                }, {
+                        __index = _base_0,
+                        __call = function(cls, ...)
+                                local _self_0 = setmetatable({ }, _base_0)
+                                cls.__init(_self_0, ...)
+                                return _self_0
+                        end
+                })
+                _base_0.__class = _class_0
+                A_u7c7b = _class_0
+                return _class_0
+        end
+end)())
+local _u53d8_u91cf1, _u53d8_u91cf2, _u53d8_u91cf3, _u7c7b4, _u53d8_u91cf5
+_u53d8_u91cf1 = 1
+_u53d8_u91cf2 = 2
+_module_0["变量2"] = _u53d8_u91cf2
+do
+        local _class_0
+        local _base_0 = { }
+        if _base_0.__index == nil then
+                _base_0.__index = _base_0
+        end
+        _class_0 = setmetatable({
+                __init = function() end,
+                __base = _base_0,
+                __name = "类4"
+        }, {
+                __index = _base_0,
+                __call = function(cls, ...)
+                        local _self_0 = setmetatable({ }, _base_0)
+                        cls.__init(_self_0, ...)
+                        return _self_0
+                end
+        })
+        _base_0.__class = _class_0
+        _u7c7b4 = _class_0
+        _u53d8_u91cf3 = _class_0
+end
+_module_0["变量3"] = _u53d8_u91cf3
+_u53d8_u91cf5 = 5
+getmetatable(_module_0)["🀄️"] = 1
+getmetatable(_module_0).__name = "导出"
+getmetatable(_module_0).__call = function(self)
+        return { }
+end
+_module_0["导出-任意-名称"] = 123
+return _module_0
diff --git a/spec/outputs/unicode/export_default.lua b/spec/outputs/unicode/export_default.lua
new file mode 100644
index 0000000..6d48af2
--- /dev/null
+++ b/spec/outputs/unicode/export_default.lua
@@ -0,0 +1,19 @@
+local _module_0 = nil
+_u6253_u5370("没问题")
+_module_0 = function()
+        _u6253_u5370("你好")
+        return 123
+end
+if not _u662f_u5426_u7ed3_u675f then
+        _u51fd_u6570(123, "abc", function(_u53c2_u6570x, _u56de_u8c03y)
+                _u6253_u5370(_u53c2_u6570x)
+                return _u56de_u8c03y(function(_u53c2_u6570y, _u7ed3_u679c)
+                        if _u7ed3_u679c then
+                                return _u53d8_u91cfabc + _u53c2_u6570y
+                        else
+                                return _u53d8_u91cfabc
+                        end
+                end)
+        end)
+end
+return _module_0
diff --git a/spec/outputs/unicode/funcs.lua b/spec/outputs/unicode/funcs.lua
new file mode 100644
index 0000000..6e94587
--- /dev/null
+++ b/spec/outputs/unicode/funcs.lua
@@ -0,0 +1,222 @@
+local _u53d8_u91cfx
+_u53d8_u91cfx = function()
+        return _u6253_u5370(_u4ec0_u4e48)
+end
+local __u65e0_u6548_u53d8_u91cf
+__u65e0_u6548_u53d8_u91cf = function() end
+__u65e0_u6548_u53d8_u91cf = function()
+        return function()
+                return function() end
+        end
+end
+_u5230(_u8c37(_u4ed3(_u53bb)))
+_u5f00(function()
+        return _u8fd9_u6247(function()
+                return _u95e8
+        end)
+end)
+_u5f00(function()
+        _u8fd9_u6247(_u95e8)
+        local _u4f60_u597d
+        _u4f60_u597d = function()
+                return _u6211_u7684(_u51fd_u6570)
+        end
+end)
+local _u53d8_u91cfh
+_u53d8_u91cfh = function()
+        return _ud83d_udc4b
+end
+_u5403(function() end, _u4e16_u754c);
+(function() end)()
+_u53d8_u91cfx = function(...) end
+_u4f60_u597d()
+_u4f60_u597d["世界"]()
+__u65e0_u6548_u53d8_u91cf = _u4f60_u597d()["某物"]
+__u65e0_u6548_u53d8_u91cf = _u4ec0_u4e48()["🥵🥵🥵"]
+_u4ec0()(_u4e48()(_u60c5_u51b5()))
+__u65e0_u6548_u53d8_u91cf = function(_u53c2_u6570a, _u53c2_u6570b, _u53c2_u6570c, _u53c2_u6570d, _u53c2_u6570e) end
+__u65e0_u6548_u53d8_u91cf = function(_u53c2_u6570, _u53c2_u6570, _u53c2_u6570, _u53c2_u6570, _u53c2_u6570)
+        return _u6253_u5370(_u53c2_u6570)
+end
+__u65e0_u6548_u53d8_u91cf = function(_u53c2_u6570x)
+        if _u53c2_u6570x == nil then
+                _u53c2_u6570x = 23023
+        end
+end
+__u65e0_u6548_u53d8_u91cf = function(_u53c2_u6570x)
+        if _u53c2_u6570x == nil then
+                _u53c2_u6570x = function(_u53c2_u6570y)
+                        if _u53c2_u6570y == nil then
+                                _u53c2_u6570y = function() end
+                        end
+                end
+        end
+end
+__u65e0_u6548_u53d8_u91cf = function(_u53d8_u91cfx)
+        if _u53d8_u91cfx == nil then
+                if _u67d0_u7269 then
+                        _u53d8_u91cfx = _u597d
+                else
+                        _u53d8_u91cfx = _u574f
+                end
+        end
+end
+local _u67d0_u7269
+_u67d0_u7269 = function(_u4f60_u597d, _u4e16_u754c)
+        if _u4f60_u597d == nil then
+                _u4f60_u597d = 100
+        end
+        if _u4e16_u754c == nil then
+                _u4e16_u754c = function(_u53c2_u6570x)
+                        if _u53c2_u6570x == nil then
+                                _u53c2_u6570x = [[好 酷]]
+                        end
+                        return _u6253_u5370("吃米饭")
+                end
+        end
+        return _u6253_u5370(_u4f60_u597d)
+end
+__u65e0_u6548_u53d8_u91cf = function(self) end
+__u65e0_u6548_u53d8_u91cf = function(self, _u53c2_u6570x, _u53c2_u6570y) end
+__u65e0_u6548_u53d8_u91cf = function(self, _u53c2_u6570x, _u53c2_u6570y)
+        self["参数x"] = _u53c2_u6570x
+        self["参数y"] = _u53c2_u6570y
+end
+__u65e0_u6548_u53d8_u91cf = function(self, _u53c2_u6570x)
+        if _u53c2_u6570x == nil then
+                _u53c2_u6570x = 1
+        end
+end
+__u65e0_u6548_u53d8_u91cf = function(self, _u53c2_u6570x, _u53c2_u6570y, _u53c2_u6570z)
+        if _u53c2_u6570x == nil then
+                _u53c2_u6570x = 1
+        end
+        if _u53c2_u6570z == nil then
+                _u53c2_u6570z = "你好 世界"
+        end
+        self["参数x"] = _u53c2_u6570x
+        self["参数z"] = _u53c2_u6570z
+end
+_u53d8_u91cfx(function()
+        return
+end)
+_u53d8_u91cfy(function()
+        return 1
+end)
+_u53d8_u91cfz(function()
+        return 1, "你好", "世界"
+end)
+_u53d8_u91cfk(function()
+        if _u662f then
+                return
+        else
+                return
+        end
+end)
+__u65e0_u6548_u53d8_u91cf = function()
+        if _u67d0_u7269 then
+                return _u771f_u540d
+        end
+end
+_u51fd_u6570d(function()
+        return _u6253_u5370("你好 世界")
+end, 10)
+_u51fd_u6570d(1, 2, 3, 4, 5, 6, (function()
+        if _u67d0_u7269 then
+                _u6253_u5370("okay")
+                return 10
+        end
+end)(), 10, 20)
+_u51fd_u6570f()()(_u4ec0_u4e48)(function()
+        return _u6253_u5370("srue")
+end, 123)
+_u53d8_u91cfx = function(_u53c2_u6570a, _u53c2_u6570b)
+        return _u6253_u5370("什么")
+end
+local _u53d8_u91cfy
+_u53d8_u91cfy = function(_u53c2_u6570a, _u53c2_u6570b)
+        if _u53c2_u6570a == nil then
+                _u53c2_u6570a = "hi"
+        end
+        if _u53c2_u6570b == nil then
+                _u53c2_u6570b = 23
+        end
+        return _u6253_u5370("什么")
+end
+local _u53d8_u91cfz
+_u53d8_u91cfz = function(_u53c2_u6570a, _u53c2_u6570b)
+        if _u53c2_u6570a == nil then
+                _u53c2_u6570a = "hi"
+        end
+        if _u53c2_u6570b == nil then
+                _u53c2_u6570b = 23
+        end
+        return _u6253_u5370("什么")
+end
+local _u53d8_u91cfj
+_u53d8_u91cfj = function(_u53c2_u6570f, _u53c2_u6570g, _u53c2_u6570m, _u53c2_u6570a, _u53c2_u6570b)
+        if _u53c2_u6570a == nil then
+                _u53c2_u6570a = "hi"
+        end
+        if _u53c2_u6570b == nil then
+                _u53c2_u6570b = 23
+        end
+        return _u6253_u5370("什么")
+end
+_u53d8_u91cfy = function(_u53c2_u6570a, _u53c2_u6570b, ...)
+        if _u53c2_u6570a == nil then
+                _u53c2_u6570a = "hi"
+        end
+        if _u53c2_u6570b == nil then
+                _u53c2_u6570b = 23
+        end
+        return _u6253_u5370("什么")
+end
+_u53d8_u91cfy = function(_u53c2_u6570a, _u53c2_u6570b, ...)
+        if _u53c2_u6570a == nil then
+                _u53c2_u6570a = "hi"
+        end
+        if _u53c2_u6570b == nil then
+                _u53c2_u6570b = 23
+        end
+        return _u6253_u5370("什么")
+end
+local _u591a_u53c2_u6570
+_u591a_u53c2_u6570 = function(_u53c2_u6570a, _u53c2_u6570b)
+        return _u6253_u5370("什么")
+end
+_u591a_u53c2_u6570 = function(_u53c2_u6570a, _u53c2_u6570b)
+        if _u53c2_u6570a == nil then
+                _u53c2_u6570a = "hi"
+        end
+        if _u53c2_u6570b == nil then
+                _u53c2_u6570b = 23
+        end
+        return _u6253_u5370("什么")
+end
+_u591a_u53c2_u6570 = function(_u53c2_u6570a, _u53c2_u6570b)
+        if _u53c2_u6570a == nil then
+                _u53c2_u6570a = "hi"
+        end
+        if _u53c2_u6570b == nil then
+                _u53c2_u6570b = 23
+        end
+        return _u6253_u5370("什么")
+end
+_u591a_u53c2_u6570 = function(_u53c2_u6570f, _u53c2_u6570g, _u53c2_u6570m, _u53c2_u6570a, _u53c2_u6570b)
+        if _u53c2_u6570a == nil then
+                _u53c2_u6570a = "hi"
+        end
+        if _u53c2_u6570b == nil then
+                _u53c2_u6570b = 23
+        end
+        return _u6253_u5370("什么")
+end
+local self
+self = function(_u53c2_u6570n)
+        if _u53c2_u6570n == 0 then
+                return 1
+        end
+        return _u53c2_u6570n * self(_u53c2_u6570n - 1)
+end
+return nil
diff --git a/spec/outputs/unicode/global.lua b/spec/outputs/unicode/global.lua
new file mode 100644
index 0000000..c91db52
--- /dev/null
+++ b/spec/outputs/unicode/global.lua
@@ -0,0 +1,91 @@
+do
+        _u5168_u5c40_u53d8_u91cfa, _u5168_u5c40_u53d8_u91cfb, _u5168_u5c40_u53d8_u91cfc = 223, 343, nil
+        _u9177 = "📉"
+end
+do
+        do
+                local _class_0
+                local _base_0 = {
+                        ["嗯"] = "🆒"
+                }
+                if _base_0.__index == nil then
+                        _base_0.__index = _base_0
+                end
+                _class_0 = setmetatable({
+                        __init = function() end,
+                        __base = _base_0,
+                        __name = "全局类"
+                }, {
+                        __index = _base_0,
+                        __call = function(cls, ...)
+                                local _self_0 = setmetatable({ }, _base_0)
+                                cls.__init(_self_0, ...)
+                                return _self_0
+                        end
+                })
+                _base_0.__class = _class_0
+                _u5168_u5c40_u7c7b = _class_0
+        end
+end
+do
+        local _u53d8_u91cfc, _u53d8_u91cfd
+        _u5168_u5c40_u53d8_u91cfa, _u5168_u5c40_u53d8_u91cfb, _u53d8_u91cfc, _u53d8_u91cfd = "你好", nil, nil, nil
+end
+do
+        local _u4ec0_u4e48
+        if _u8fd9_u4e2a then
+                _u4ec0_u4e48 = 232
+        else
+                _u4ec0_u4e48 = 4343
+        end
+        local _u53e6_u4e00_u4e2a = 3434
+        A_u53e6_u4e00_u4e2a = 7890
+        if _u5185_u90e8 then
+                local Y_u597d = "10000"
+        end
+        if _u8fd9_u4e2a then
+                _u4ec0_u4e48 = 232
+        else
+                _u4ec0_u4e48 = 4343
+        end
+end
+do
+        if _u8fd9_u4e2a then
+                _u4ec0_u4e48 = 232
+        else
+                _u4ec0_u4e48 = 4343
+        end
+        _u5168_u5c40_u53d8_u91cfx, _u5168_u5c40_u53d8_u91cfy, _u5168_u5c40_u53d8_u91cfz = 1, 2, 3
+        _u5168_u5c40_u53d8_u91cfy = function()
+                local _u597d_u7684 = 3434
+        end
+        do
+                local _with_0 = _u5168_u5c40_u4e34_u65f6_u53d8_u91cf
+                local _u53d8_u91cfj = 2000
+        end
+end
+do
+        _u53d8_u91cfx = 3434
+        if _u6761_u4ef6y then
+                _u53d8_u91cfx = 10
+        end
+end
+do
+        if _u6761_u4ef6y then
+                local _u53d8_u91cfx = 10
+        end
+        _u53d8_u91cfx = 3434
+end
+do
+        do
+                _u53d8_u91cfk = 1212
+                do
+                        local _u53d8_u91cfh = 100
+                end
+                _u5168_u5c40_u53d8_u91cfy = function()
+                        local _u53d8_u91cfh = 100
+                        _u53d8_u91cfk = 100
+                end
+        end
+        local _u53d8_u91cfh = 100
+end
diff --git a/spec/outputs/unicode/goto.lua b/spec/outputs/unicode/goto.lua
new file mode 100644
index 0000000..8e2e5a6
--- /dev/null
+++ b/spec/outputs/unicode/goto.lua
@@ -0,0 +1,67 @@
+do
+        local _u53d8_u91cfa = 0
+        ::_u5f00_u59cb::
+        _u53d8_u91cfa = _u53d8_u91cfa + 1
+        if _u53d8_u91cfa == 5 then
+                goto _u7ed3_u675f
+        end
+        goto _u5f00_u59cb
+        ::_u7ed3_u675f::
+end
+do
+        for _u8ba1_u6570z = 1, 10 do
+                for _u8ba1_u6570y = 1, 10 do
+                        for _u8ba1_u6570x = 1, 10 do
+                                if _u8ba1_u6570x ^ 2 + _u8ba1_u6570y ^ 2 == _u8ba1_u6570z ^ 2 then
+                                        _u6253_u5370('找到了毕达哥拉斯三元组:', _u8ba1_u6570x, _u8ba1_u6570y, _u8ba1_u6570z)
+                                        goto _u5b8c_u6210
+                                end
+                        end
+                end
+        end
+        ::_u5b8c_u6210::
+end
+do
+        for _u8ba1_u6570z = 1, 10 do
+                for _u8ba1_u6570y = 1, 10 do
+                        for _u8ba1_u6570x = 1, 10 do
+                                if _u8ba1_u6570x ^ 2 + _u8ba1_u6570y ^ 2 == _u8ba1_u6570z ^ 2 then
+                                        _u6253_u5370('找到了毕达哥拉斯三元组:', _u8ba1_u6570x, _u8ba1_u6570y, _u8ba1_u6570z)
+                                        _u6253_u5370('now trying next z...')
+                                        goto _u7ee7_u7eedz
+                                end
+                        end
+                end
+                ::_u7ee7_u7eedz::
+        end
+end
+do
+        ::_u91cd_u505a::
+        for _u8ba1_u6570x = 1, 10 do
+                for _u8ba1_u6570y = 1, 10 do
+                        if not _u51fd_u6570f(_u8ba1_u6570x, _u8ba1_u6570y) then
+                                goto _u7ee7_u7eed
+                        end
+                        if not _u51fd_u6570g(_u8ba1_u6570x, _u8ba1_u6570y) then
+                                goto _u8df3_u8fc7
+                        end
+                        if not _u51fd_u6570h(_u8ba1_u6570x, _u8ba1_u6570y) then
+                                goto _u91cd_u505a
+                        end
+                        ::_u7ee7_u7eed::
+                end
+        end
+        ::_u8df3_u8fc7::
+end
+do
+        local _list_0 = _u5217_u8868
+        for _index_0 = 1, #_list_0 do
+                local _u53d8_u91cf = _list_0[_index_0]
+                if _u53d8_u91cf % 2 == 0 then
+                        _u6253_u5370('列表有偶数')
+                        goto _u6709
+                end
+        end
+        _u6253_u5370('列表没偶数')
+        ::_u6709::
+end
diff --git a/spec/outputs/unicode/import.lua b/spec/outputs/unicode/import.lua
new file mode 100644
index 0000000..50acc11
--- /dev/null
+++ b/spec/outputs/unicode/import.lua
@@ -0,0 +1,112 @@
+local _u4f60_u597d = _u597d_u7684["你好"]
+local _u597d_u5440, _u4e16_u754c
+do
+        local _obj_0 = _u8868["酷"]
+        _u597d_u5440, _u4e16_u754c = _obj_0["好呀"], _obj_0["世界"]
+end
+local _u5b57_u6bb5x, _u5b57_u6bb5y, _u5b57_u6bb5z = _u9053_u5177_u7ec4["字段x"], (function()
+        local _base_0 = _u9053_u5177_u7ec4
+        local _fn_0 = _base_0["字段y"]
+        return _fn_0 and function(...)
+                return _fn_0(_base_0, ...)
+        end
+end)(), _u9053_u5177_u7ec4["字段z"]
+local _u9886_u4e3b, _ud83d_udc7b
+do
+        local _obj_0 = _u627e_u5230("我的表")
+        _u9886_u4e3b, _ud83d_udc7b = _obj_0["领主"], (function()
+                local _base_0 = _obj_0
+                local _fn_0 = _base_0["👻"]
+                return _fn_0 and function(...)
+                        return _fn_0(_base_0, ...)
+                end
+        end)()
+end
+local _obj_0 = 232
+local _u67d0_u7269
+do
+        local _obj_1 = _u4e00_u4e2a(_u8868_u683c)
+        _u67d0_u7269 = _obj_1["某物"]
+end
+if _u7f29_u8fdb then
+        local _u597d_u5427, _u5f88_u597d
+        do
+                local _obj_1 = _u5f88_u591a_u8868[100]
+                _u597d_u5427, _u5f88_u597d = _obj_1["好吧"], (function()
+                        local _base_0 = _obj_1
+                        local _fn_0 = _base_0["很好"]
+                        return _fn_0 and function(...)
+                                return _fn_0(_base_0, ...)
+                        end
+                end)()
+        end
+end
+do
+        local _u5b57_u6bb5a, _u5b57_u6bb5b, _u5b57_u6bb5c = _u5bf9_u8c61z["字段a"], _u5bf9_u8c61z["字段b"], _u5bf9_u8c61z["字段c"]
+end
+do
+        local _u5b57_u6bb5a, _u5b57_u6bb5b, _u5b57_u6bb5c = _u5bf9_u8c61z["字段a"], _u5bf9_u8c61z["字段b"], _u5bf9_u8c61z["字段c"]
+end
+do
+        local _u5b57_u6bb5a, _u5b57_u6bb5b, _u5b57_u6bb5c = _u5bf9_u8c61z["字段a"], _u5bf9_u8c61z["字段b"], _u5bf9_u8c61z["字段c"]
+end
+do
+        local _u5b57_u6bb5a, _u5b57_u6bb5b, _u5b57_u6bb5c = _u5bf9_u8c61z["字段a"], _u5bf9_u8c61z["字段b"], _u5bf9_u8c61z["字段c"]
+end
+do
+        local _u5b57_u6bb5a, _u5b57_u6bb5b, _u5b57_u6bb5c = _u5bf9_u8c61z["字段a"], _u5bf9_u8c61z["字段b"], _u5bf9_u8c61z["字段c"]
+end
+do
+        local _u6a21_u5757 = require('模块')
+        _u6253_u5370(_u6a21_u5757)
+        local _u6a21_u5757_x = require('模块_x')
+        _u6253_u5370(_u6a21_u5757_x)
+        local _u4e0b__u5212__u7ebf__u6a21__u5757__u554a = require("下-划-线-模-块-啊")
+        _u6253_u5370(_u4e0b__u5212__u7ebf__u6a21__u5757__u554a)
+        local _u5b50_u6a21_u5757 = require("模块.子模块")
+        _u6253_u5370(_u5b50_u6a21_u5757)
+end
+do
+        local _u5927_u73a9_u5bb6 = require("小玩家")
+        local C, Ct, Cmt
+        do
+                local _obj_1 = require("lpeg库")
+                C, Ct, Cmt = _obj_1.C, _obj_1.Ct, _obj_1.Cmt
+        end
+        local _u4e00, _u4e8c, _u5b57_u7b26
+        do
+                local _obj_1 = require("导出")
+                _u4e00, _u4e8c, _u5b57_u7b26 = _obj_1[1], _obj_1[2], _obj_1["某键"]["嗯"][1]
+        end
+        local _u53c8_u4e00_u4e2a_u7ec4_u4ef6 = require("导出")["又一个组件"]
+        _u6253_u5370(_u53c8_u4e00_u4e2a_u7ec4_u4ef6)
+end
+do
+        _u6a21_u5757 = require('模块')
+        _u6a21_u5757_x = require('模块_x')
+        _u6a21_u5757_y = require("组织.包.模块-y")
+        _u6253_u5370(_u6a21_u5757_y)
+end
+do
+        local _u51fd_u6570, _u5982_u679c_u53d8_u91cf
+        do
+                local _obj_1 = require("组织.包.模块")
+                _u51fd_u6570, _u5982_u679c_u53d8_u91cf = _obj_1["函数体"], _obj_1["如果"]
+        end
+end
+do
+        local _u53d8_u91cfb = getmetatable(require("块")).__gc
+        local index = getmetatable(require("块")).__index
+        local _u53d8_u91cff, _u53d8_u91cfc
+        do
+                local _obj_1 = require("块")
+                _u53d8_u91cff = _obj_1["字段e"]
+                _u53d8_u91cfc = getmetatable(_obj_1).__pairs
+        end
+        local _u53d8_u91cfd = require("块")["字段c"]
+        local _u5143_u7d20g, _u53d8_u91cfi
+        do
+                local _obj_1 = require("块")
+                _u5143_u7d20g, _u53d8_u91cfi = _obj_1[1], getmetatable(_obj_1[2]).__close
+        end
+end
diff --git a/spec/outputs/unicode/in_expression.lua b/spec/outputs/unicode/in_expression.lua
new file mode 100644
index 0000000..62aad05
--- /dev/null
+++ b/spec/outputs/unicode/in_expression.lua
@@ -0,0 +1,181 @@
+_u51fd_u6570((function()
+        local _val_0 = -_u53d8_u91cfa ^ 2
+        return 1 == _val_0 or 2 == _val_0 or 3 == _val_0
+end)())
+local _u53d8_u91cfa, _u53d8_u91cfb = (function(...)
+        local _val_0 = _u51fd_u6570x(...)
+        return not (1 <= _val_0 and _val_0 <= 3)
+end)(...), 2
+local _u53d8_u91cfd
+do
+        local _val_0 = (_u5bf9_u8c61["字段x"]["字段y"](...))
+        _u53d8_u91cfd = not (1 <= _val_0 and _val_0 <= 3)
+end
+local _u5728_u7684
+do
+        local _val_0 = "东"
+        _u5728_u7684 = "东" == _val_0 or "西" == _val_0
+end
+if (1 == _u53d8_u91cfa) and (2 == _u53d8_u91cfb or 3 == _u53d8_u91cfb or 4 == _u53d8_u91cfb) or (function()
+        local _val_0 = _u53d8_u91cfc
+        return 1 <= _val_0 and _val_0 <= 10
+end)() then
+        _u6253_u5370(_u53d8_u91cfa, _u53d8_u91cfb, _u53d8_u91cfc)
+end
+do
+        local _exp_0 = _u503c
+        if 1 == _exp_0 or 2 == _exp_0 or 3 == _exp_0 then
+                _u6253_u5370("1, 2, 3")
+        elseif not (0 < _exp_0 and _exp_0 <= 100) then
+                _u6253_u5370("非 (0 < 值 <= 100)")
+        elseif (200 <= _exp_0 and _exp_0 < 300) then
+                _u6253_u5370("200 <= 值 < 300)")
+        elseif not (333 == _exp_0 or 444 == _exp_0 or 555 == _exp_0) then
+                _u6253_u5370("非 333, 444 或 555")
+        end
+end
+do
+        local _val_0 = _u53d8_u91cfy
+        return not (_u5f00_u59cb < _val_0 and _val_0 < _u7ed3_u675f)
+end
+do
+        local _u5b58_u5728
+        do
+                local _check_0 = _u8868
+                local _val_0 = _u5143_u7d20
+                local _find_0 = false
+                for _index_0 = 1, #_check_0 do
+                        local _item_0 = _check_0[_index_0]
+                        if _item_0 == _val_0 then
+                                _find_0 = true
+                                break
+                        end
+                end
+                _u5b58_u5728 = _find_0
+        end
+        _u68c0_u67e5((function()
+                local _check_0 = _u8868
+                local _val_0 = _u5143_u7d20
+                for _index_0 = 1, #_check_0 do
+                        if _check_0[_index_0] == _val_0 then
+                                return true
+                        end
+                end
+                return false
+        end)())
+end
+do
+        local _u5bf9_u8c61 = _u83b7_u53d6()
+        local _u5b58_u5728
+        do
+                local _check_0 = _u8868
+                local _val_0 = _u5143_u7d20
+                local _find_0 = false
+                for _index_0 = 1, #_check_0 do
+                        local _item_0 = _check_0[_index_0]
+                        if _item_0 == _val_0 then
+                                _find_0 = true
+                                break
+                        end
+                end
+                _u5b58_u5728 = _find_0
+        end
+        _u68c0_u67e5((function()
+                local _check_0 = _u8868
+                local _val_0 = _u5143_u7d20
+                for _index_0 = 1, #_check_0 do
+                        if _check_0[_index_0] == _val_0 then
+                                return true
+                        end
+                end
+                return false
+        end)())
+end
+do
+        local _u5bf9_u8c61 = _u83b7_u53d6()
+        local _u5217_u8868 = {
+                1,
+                2,
+                3
+        }
+        local _u4e0d_u5b58_u5728
+        do
+                local _val_0 = _u5143_u7d20
+                local _find_0 = false
+                for _index_0 = 1, #_u5217_u8868 do
+                        local _item_0 = _u5217_u8868[_index_0]
+                        if _item_0 == _val_0 then
+                                _find_0 = true
+                                break
+                        end
+                end
+                _u4e0d_u5b58_u5728 = not _find_0
+        end
+        _u68c0_u67e5((function()
+                local _val_0 = _u5143_u7d20
+                for _index_0 = 1, #_u5217_u8868 do
+                        if _u5217_u8868[_index_0] == _val_0 then
+                                return true
+                        end
+                end
+                return false
+        end)())
+        _u68c0_u67e5((function()
+                local _val_0 = _u5143_u7d20
+                return 1 == _val_0 or 2 == _val_0 or 3 == _val_0
+        end)())
+        _u68c0_u67e5((function(...)
+                local _check_0 = {
+                        [1] = 1,
+                        [2] = 2,
+                        [3] = 3
+                }
+                local _val_0 = _u5143_u7d20(...)
+                for _index_0 = 1, #_check_0 do
+                        if _check_0[_index_0] == _val_0 then
+                                return true
+                        end
+                end
+                return false
+        end)(...))
+end
+do
+        _u68c0_u67e5(function()
+                local _check_0 = _u6570_u7ec4tb
+                local _val_0 = _u5bf9_u8c61x
+                for _index_0 = 1, #_check_0 do
+                        if _check_0[_index_0] == _val_0 then
+                                return true
+                        end
+                end
+                return false
+        end)
+        _u68c0_u67e5(function()
+                local _check_0 = _u6570_u7ec4tb
+                local _val_0 = _u5bf9_u8c61x
+                for _index_0 = 1, #_check_0 do
+                        if _check_0[_index_0] == _val_0 then
+                                return false
+                        end
+                end
+                return true
+        end)
+        local _u5bf9_u8c61x, _u6570_u7ec4tb
+        _u68c0_u67e5(function()
+                for _index_0 = 1, #_u6570_u7ec4tb do
+                        if _u6570_u7ec4tb[_index_0] == _u5bf9_u8c61x then
+                                return true
+                        end
+                end
+                return false
+        end)
+        _u68c0_u67e5(function()
+                for _index_0 = 1, #_u6570_u7ec4tb do
+                        if _u6570_u7ec4tb[_index_0] == _u5bf9_u8c61x then
+                                return false
+                        end
+                end
+                return true
+        end)
+end
+return nil
diff --git a/spec/outputs/unicode/lists.lua b/spec/outputs/unicode/lists.lua
new file mode 100644
index 0000000..aafd516
--- /dev/null
+++ b/spec/outputs/unicode/lists.lua
@@ -0,0 +1,281 @@
+local _u4f60_u597d
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _, _u53d8_u91cfx in ipairs({
+                1,
+                2,
+                3,
+                4
+        }) do
+                _accum_0[_len_0] = _u53d8_u91cfx * 2
+                _len_0 = _len_0 + 1
+        end
+        _u4f60_u597d = _accum_0
+end
+local _u7269_u54c1 = {
+        1,
+        2,
+        3,
+        4,
+        5,
+        6
+}
+local _
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u53d8_u91cfz in ipairs(_u7269_u54c1) do
+                if _u53d8_u91cfz > 4 then
+                        _accum_0[_len_0] = _u53d8_u91cfz
+                        _len_0 = _len_0 + 1
+                end
+        end
+        _ = _accum_0
+end
+local _u534a_u5f84
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u53d8_u91cfa in ipairs({
+                1,
+                2,
+                3,
+                4,
+                5,
+                6
+        }) do
+                if _u597d_u6570_u5b57(_u53d8_u91cfa) then
+                        _accum_0[_len_0] = {
+                                _u53d8_u91cfa
+                        }
+                        _len_0 = _len_0 + 1
+                end
+        end
+        _u534a_u5f84 = _accum_0
+end
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u53d8_u91cfz in _u7269_u54c1 do
+                for _u53d8_u91cfj in _u5217_u8868 do
+                        if _u53d8_u91cfz > 4 then
+                                _accum_0[_len_0] = _u53d8_u91cfz
+                                _len_0 = _len_0 + 1
+                        end
+                end
+        end
+        _ = _accum_0
+end
+require("实用")
+local _u503e_u5012
+_u503e_u5012 = function(_u53d8_u91cfx)
+        return _u6253_u5370(_u5b9e_u7528["倾倒"](_u53d8_u91cfx))
+end
+local _u8303_u56f4
+_u8303_u56f4 = function(_u6570_u91cf)
+        local _u53d8_u91cfi = 0
+        return coroutine.wrap(function()
+                while _u53d8_u91cfi < _u6570_u91cf do
+                        coroutine.yield(_u53d8_u91cfi)
+                        _u53d8_u91cfi = _u53d8_u91cfi + 1
+                end
+        end)
+end
+_u503e_u5012((function()
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u53d8_u91cfx in _u8303_u56f4(10) do
+                _accum_0[_len_0] = _u53d8_u91cfx
+                _len_0 = _len_0 + 1
+        end
+        return _accum_0
+end)())
+_u503e_u5012((function()
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u53d8_u91cfx in _u8303_u56f4(5) do
+                if _u53d8_u91cfx > 2 then
+                        for _u53d8_u91cfy in _u8303_u56f4(5) do
+                                _accum_0[_len_0] = {
+                                        _u53d8_u91cfx,
+                                        _u53d8_u91cfy
+                                }
+                                _len_0 = _len_0 + 1
+                        end
+                end
+        end
+        return _accum_0
+end)())
+local _u4e1c_u897f
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u53d8_u91cfx in _u8303_u56f4(10) do
+                if _u53d8_u91cfx > 5 then
+                        for _u53d8_u91cfy in _u8303_u56f4(10) do
+                                if _u53d8_u91cfy > 7 then
+                                        _accum_0[_len_0] = _u53d8_u91cfx + _u53d8_u91cfy
+                                        _len_0 = _len_0 + 1
+                                end
+                        end
+                end
+        end
+        _u4e1c_u897f = _accum_0
+end
+for _u53d8_u91cfx in ipairs({
+        1,
+        2,
+        4
+}) do
+        for _u53d8_u91cfy in ipairs({
+                1,
+                2,
+                3
+        }) do
+                if _u53d8_u91cfx ~= 2 then
+                        _u6253_u5370(_u53d8_u91cfx, _u53d8_u91cfy)
+                end
+        end
+end
+for _u53d8_u91cfx in _u7269_u54c1 do
+        _u6253_u5370("你好", _u53d8_u91cfx)
+end
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u53d8_u91cfx in _u53d8_u91cfx do
+                _accum_0[_len_0] = _u53d8_u91cfx
+                _len_0 = _len_0 + 1
+        end
+        _ = _accum_0
+end
+local _u53d8_u91cfx
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u53d8_u91cfx in _u53d8_u91cfx do
+                _accum_0[_len_0] = _u53d8_u91cfx
+                _len_0 = _len_0 + 1
+        end
+        _u53d8_u91cfx = _accum_0
+end
+for _u53d8_u91cfx in ipairs({
+        1,
+        2,
+        4
+}) do
+        for _u53d8_u91cfy in ipairs({
+                1,
+                2,
+                3
+        }) do
+                if _u53d8_u91cfx ~= 2 then
+                        _u6253_u5370(_u53d8_u91cfx, _u53d8_u91cfy)
+                end
+        end
+end
+local _u53cc_u500d
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _index_0 = 1, #_u7269_u54c1 do
+                local _u53d8_u91cfx = _u7269_u54c1[_index_0]
+                _accum_0[_len_0] = _u53d8_u91cfx * 2
+                _len_0 = _len_0 + 1
+        end
+        _u53cc_u500d = _accum_0
+end
+for _index_0 = 1, #_u53cc_u500d do
+        local _u53d8_u91cfx = _u53cc_u500d[_index_0]
+        _u6253_u5370(_u53d8_u91cfx)
+end
+local _u5207
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _index_0 = 1, #_u7269_u54c1 do
+                local _u53d8_u91cfx = _u7269_u54c1[_index_0]
+                if _u53d8_u91cfx > 3 then
+                        _accum_0[_len_0] = _u53d8_u91cfx
+                        _len_0 = _len_0 + 1
+                end
+        end
+        _u5207 = _accum_0
+end
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _index_0 = 1, #_u7269_u54c1 do
+                local _u53d8_u91cfx = _u7269_u54c1[_index_0]
+                for _index_1 = 1, #_u7269_u54c1 do
+                        local _u53d8_u91cfy = _u7269_u54c1[_index_1]
+                        _accum_0[_len_0] = _u53d8_u91cfx + _u53d8_u91cfy
+                        _len_0 = _len_0 + 1
+                end
+        end
+        _u4f60_u597d = _accum_0
+end
+for _index_0 = 1, #_u4f60_u597d do
+        local _u53d8_u91cfz = _u4f60_u597d[_index_0]
+        _u6253_u5370(_u53d8_u91cfz)
+end
+_u53d8_u91cfx = {
+        1,
+        2,
+        3,
+        4,
+        5,
+        6,
+        7
+}
+local _max_0 = -5
+for _index_0 = 2, _max_0 < 0 and #_u53d8_u91cfx + _max_0 or _max_0, 2 do
+        local _u53d8_u91cfy = _u53d8_u91cfx[_index_0]
+        _u6253_u5370(_u53d8_u91cfy)
+end
+local _max_1 = 3
+for _index_0 = 1, _max_1 < 0 and #_u53d8_u91cfx + _max_1 or _max_1 do
+        local _u53d8_u91cfy = _u53d8_u91cfx[_index_0]
+        _u6253_u5370(_u53d8_u91cfy)
+end
+for _index_0 = 2, #_u53d8_u91cfx do
+        local _u53d8_u91cfy = _u53d8_u91cfx[_index_0]
+        _u6253_u5370(_u53d8_u91cfy)
+end
+for _index_0 = 1, #_u53d8_u91cfx, 2 do
+        local _u53d8_u91cfy = _u53d8_u91cfx[_index_0]
+        _u6253_u5370(_u53d8_u91cfy)
+end
+for _index_0 = 2, #_u53d8_u91cfx, 2 do
+        local _u53d8_u91cfy = _u53d8_u91cfx[_index_0]
+        _u6253_u5370(_u53d8_u91cfy)
+end
+local _u53d8_u91cfa, _u53d8_u91cfb, _u53d8_u91cfc = 1, 5, 2
+local _max_2 = _u53d8_u91cfb
+for _index_0 = _u53d8_u91cfa, _max_2 < 0 and #_u53d8_u91cfx + _max_2 or _max_2, _u53d8_u91cfc do
+        local _u53d8_u91cfy = _u53d8_u91cfx[_index_0]
+        _u6253_u5370(_u53d8_u91cfy)
+end
+local _u6b63_u5e38
+_u6b63_u5e38 = function(_u4f60_u597d)
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u53d8_u91cfx in _u55ef_u54fc do
+                _accum_0[_len_0] = _u53d8_u91cfx
+                _len_0 = _len_0 + 1
+        end
+        return _accum_0
+end
+local _u6d4b_u8bd5 = _u53d8_u91cfx(1, 2, 3, 4, 5)
+for _index_0 = 1, #_u6d4b_u8bd5 do
+        local _u4e8b_u60c5 = _u6d4b_u8bd5[_index_0]
+        _u6253_u5370(_u4e8b_u60c5)
+end
+return function()
+        local _list_0 = _u884c_u4eec
+        for _index_0 = 1, #_list_0 do
+                local _u884c = _list_0[_index_0]
+                _u53d8_u91cfa = _u53d8_u91cfb
+        end
+end
diff --git a/spec/outputs/unicode/literals.lua b/spec/outputs/unicode/literals.lua
new file mode 100644
index 0000000..ccd32f1
--- /dev/null
+++ b/spec/outputs/unicode/literals.lua
@@ -0,0 +1,36 @@
+local _u6570_u636e = {
+        121,
+        121.2323,
+        121.2323e-1,
+        121.2323e13434,
+        2323E34,
+        0x12323,
+        0xfF2323,
+        0xabcdef,
+        0xABCDEF,
+        0x123p-123,
+        0xABCP+321,
+        0x.1p-111,
+        0xABCP-321,
+        .2323,
+        .2323e-1,
+        .2323e13434,
+        1LL,
+        1ULL,
+        9332LL,
+        9332,
+        0x2aLL,
+        0x2aULL,
+        1000000.0000001,
+        1234e5678,
+        1234E-5678,
+        0xDEADBEEF,
+        [[ 你好 世界 ]],
+        [=[ 你好 世界 ]=],
+        [====[ 你好 世界 ]====],
+        "另一个 世界",
+        '哪个 世界',
+        "\n     你好 世界\n ",
+        '是的\n       发生了什么\n       这里有些很酷的东西'
+}
+return _u7a7a_u503c
diff --git a/spec/outputs/unicode/local.lua b/spec/outputs/unicode/local.lua
new file mode 100644
index 0000000..170144b
--- /dev/null
+++ b/spec/outputs/unicode/local.lua
@@ -0,0 +1,157 @@
+do
+        local _u53d8_u91cfa
+        local _u53d8_u91cfa, _u53d8_u91cfb, _u53d8_u91cfc
+        local _u53d8_u91cfg
+        _u53d8_u91cfb, _u53d8_u91cfg = 23232, nil
+end
+do
+        local _u53d8_u91cfx = 1212
+        local _u67d0_u4e8b
+        _u67d0_u4e8b = function()
+                local _u53d8_u91cfx
+                _u53d8_u91cfx = 1212
+        end
+end
+do
+        local _u53d8_u91cfy, _u53d8_u91cfz
+        _u53d8_u91cfy = 2323
+        _u53d8_u91cfz = 2323
+end
+do
+        _u6253_u5370("啥也没有!")
+end
+do
+        local X_u5927_u5199, Y_u5927_u5199
+        local x_u53d8_u91cf = 3434
+        local y_u53d8_u91cf = 3434
+        X_u5927_u5199 = 3434
+        Y_u5927_u5199 = "好"
+end
+do
+        local x_u53d8_u91cf, y_u53d8_u91cf = "a", "b"
+end
+do
+        local x_u53d8_u91cf, y_u53d8_u91cf
+        x_u53d8_u91cf, y_u53d8_u91cf = "a", "b"
+end
+do
+        if _u67d0_u4e8b then
+                local x_u53d8_u91cf = 2323
+        end
+end
+do
+        local _u53d8_u91cfx
+        do
+                _u53d8_u91cfx = "一"
+        end
+        _u53d8_u91cfx = 100
+        do
+                _u53d8_u91cfx = "二"
+        end
+end
+do
+        local _u53d8_u91cfk, _u53d8_u91cfx, _u53d8_u91cfa, _u53d8_u91cfb, _u53d8_u91cfc
+        if _u4ec0_u4e48 then
+                _u53d8_u91cfk = 10
+        end
+        _u53d8_u91cfx = 100
+        do
+                local _obj_0 = _u53d8_u91cfy
+                _u53d8_u91cfa, _u53d8_u91cfb, _u53d8_u91cfc = _obj_0[1], _obj_0[2], _obj_0[3]
+        end
+end
+do
+        local _u53d8_u91cfa, _u53d8_u91cfb, _u53d8_u91cfc, _u53d8_u91cfd
+        _u53d8_u91cfa = 100
+        _u6253_u5370("嗨")
+        _u53d8_u91cfb = 200
+        _u53d8_u91cfc = 100
+        _u6253_u5370("嗨")
+        _u53d8_u91cfd = 200
+        _u53d8_u91cfd = 2323
+end
+do
+        local A_u5927_u5199, O_u4e00, T_u4e8c
+        local a_u5c0f_u5199 = 5
+        A_u5927_u5199 = 3
+        do
+                local _class_0
+                local F_u4e94
+                local _base_0 = { }
+                if _base_0.__index == nil then
+                        _base_0.__index = _base_0
+                end
+                _class_0 = setmetatable({
+                        __init = function() end,
+                        __base = _base_0,
+                        __name = "O一"
+                }, {
+                        __index = _base_0,
+                        __call = function(cls, ...)
+                                local _self_0 = setmetatable({ }, _base_0)
+                                cls.__init(_self_0, ...)
+                                return _self_0
+                        end
+                })
+                _base_0.__class = _class_0
+                local self = _class_0;
+                F_u4e94 = 6
+                O_u4e00 = _class_0
+        end
+        do
+                local _class_0
+                local N_u65e0
+                local _base_0 = { }
+                if _base_0.__index == nil then
+                        _base_0.__index = _base_0
+                end
+                _class_0 = setmetatable({
+                        __init = function() end,
+                        __base = _base_0,
+                        __name = "T二"
+                }, {
+                        __index = _base_0,
+                        __call = function(cls, ...)
+                                local _self_0 = setmetatable({ }, _base_0)
+                                cls.__init(_self_0, ...)
+                                return _self_0
+                        end
+                })
+                _base_0.__class = _class_0
+                local self = _class_0;
+                do
+                        local _class_1
+                        local _base_1 = { }
+                        if _base_1.__index == nil then
+                                _base_1.__index = _base_1
+                        end
+                        _class_1 = setmetatable({
+                                __init = function() end,
+                                __base = _base_1,
+                                __name = "N无"
+                        }, {
+                                __index = _base_1,
+                                __call = function(cls, ...)
+                                        local _self_0 = setmetatable({ }, _base_1)
+                                        cls.__init(_self_0, ...)
+                                        return _self_0
+                                end
+                        })
+                        _base_1.__class = _class_1
+                        N_u65e0 = _class_1
+                end
+                T_u4e8c = _class_0
+        end
+end
+do
+        local _list_0 = { }
+        for _index_0 = 1, #_list_0 do
+                local _u53d8_u91cfa = _list_0[_index_0]
+                local _ = _u53d8_u91cfa
+        end
+end
+do
+        local _u53d8_u91cfx
+        _u53d8_u91cfx = _u53d8_u91cfa or _u53d8_u91cfb
+end
+local _u53d8_u91cfg = 2323
diff --git a/spec/outputs/unicode/loops.lua b/spec/outputs/unicode/loops.lua
new file mode 100644
index 0000000..d630343
--- /dev/null
+++ b/spec/outputs/unicode/loops.lua
@@ -0,0 +1,337 @@
+for _u53d8_u91cfx = 1, 10 do
+        _u6253_u5370("yeah")
+end
+for _u53d8_u91cfx = 1, #_u67d0_u7269 do
+        _u6253_u5370("yeah")
+end
+for _u53d8_u91cfy = 100, 60, -3 do
+        _u6253_u5370("倒计时", _u53d8_u91cfy)
+end
+for _u53d8_u91cfa = 1, 10 do
+        _u6253_u5370("好的")
+end
+for _u53d8_u91cfa = 1, 10 do
+        for _u53d8_u91cfb = 2, 43 do
+                _u6253_u5370(_u53d8_u91cfa, _u53d8_u91cfb)
+        end
+end
+for _u53d8_u91cfi in _u8fed_u4ee3_u5668 do
+        for _u53d8_u91cfj in _u662f_u7684 do
+                local _u53d8_u91cfx = 343 + _u53d8_u91cfi + _u53d8_u91cfj
+                _u6253_u5370(_u53d8_u91cfi, _u53d8_u91cfj)
+        end
+end
+local _list_0 = _u67d0_u7269
+for _index_0 = 1, #_list_0 do
+        local _u53d8_u91cfx = _list_0[_index_0]
+        _u6253_u5370(_u53d8_u91cfx)
+end
+for _u952e, _u503c in pairs(_u4f60_u597d) do
+        _u6253_u5370(_u952e, _u503c)
+end
+for _u53d8_u91cfx in _u53d8_u91cfy, _u53d8_u91cfz do
+        _u6253_u5370(_u53d8_u91cfx)
+end
+for _u53d8_u91cfx in _u53d8_u91cfy, _u53d8_u91cfz, _u952e do
+        _u6253_u5370(_u53d8_u91cfx)
+end
+local _list_1 = _u6a21_u5757
+for _index_0 = 1, #_list_1 do
+        local _u540d_u79f0, _u6210_u5458_u4eec = _list_1[_index_0]
+        _u6253_u5370(_u540d_u79f0, _u6210_u5458)
+end
+local _u53d8_u91cfx
+_u53d8_u91cfx = function()
+        for _u53d8_u91cfx in _u53d8_u91cfy do
+                local _u53d8_u91cf_ = _u53d8_u91cfy
+        end
+end
+local _u4f60_u597d = {
+        1,
+        2,
+        3,
+        4,
+        5
+}
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _index_0 = 1, #_u4f60_u597d do
+                local _u53d8_u91cfy = _u4f60_u597d[_index_0]
+                if _u53d8_u91cfy % 2 == 0 then
+                        _accum_0[_len_0] = _u53d8_u91cfy
+                end
+                _len_0 = _len_0 + 1
+        end
+        _u53d8_u91cfx = _accum_0
+end
+_u53d8_u91cfx = function()
+        for _index_0 = 1, #_u4f60_u597d do
+                local _u53d8_u91cfx = _u4f60_u597d[_index_0]
+                local _u53d8_u91cf_ = _u53d8_u91cfy
+        end
+end
+local _u8868_u683c
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u53d8_u91cfi = 10, 20 do
+                _accum_0[_len_0] = _u53d8_u91cfi * 2
+                _len_0 = _len_0 + 1
+        end
+        _u8868_u683c = _accum_0
+end
+local _u54e6 = 0
+local _u53d8_u91cfy
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u53d8_u91cfj = 3, 30, 8 do
+                _u54e6 = _u54e6 + 1
+                _accum_0[_len_0] = _u53d8_u91cfj * _u54e6
+                _len_0 = _len_0 + 1
+        end
+        _u53d8_u91cfy = _accum_0
+end
+local _u53d8_u91cf_
+_u53d8_u91cf_ = function()
+        for _u53d8_u91cfk = 10, 40 do
+                _u53d8_u91cf_ = "好的"
+        end
+end
+_u53d8_u91cf_ = function()
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u53d8_u91cfk = 10, 40 do
+                _accum_0[_len_0] = "好的"
+                _len_0 = _len_0 + 1
+        end
+        return _accum_0
+end
+while true do
+        _u6253_u5370("名称")
+end
+while 5 + 5 do
+        _u6253_u5370("好的 世界")
+        _u5de5_u4f5c(_u4eba)
+end
+while _u8fd8_u6709 do
+        _u6211(_u4e5f(_u5de5_u4f5c))
+        _u53d8_u91cf_ = "好的"
+end
+local _u53d8_u91cfi = 0
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        while _u53d8_u91cfi < 10 do
+                _u53d8_u91cfi = _u53d8_u91cfi + 1
+                _accum_0[_len_0] = _u53d8_u91cfi
+                _len_0 = _len_0 + 1
+        end
+        _u53d8_u91cfx = _accum_0
+end
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        local _list_2 = 3
+        for _index_0 = 1, #_list_2 do
+                local _u4e1c_u897f = _list_2[_index_0]
+                _u53d8_u91cfy = "你好"
+                break
+                _len_0 = _len_0 + 1
+        end
+        _u53d8_u91cfx = _accum_0
+end
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u53d8_u91cfx = 1, 2 do
+                _u53d8_u91cfy = "你好"
+                _accum_0[_len_0] = _u53d8_u91cfy
+                _len_0 = _len_0 + 1
+        end
+        _u53d8_u91cfx = _accum_0
+end
+while true do
+        if false then
+                goto _continue_0
+        end
+        _u6253_u5370("是的")
+        if true then
+                break
+        end
+        _u6253_u5370("不")
+        ::_continue_0::
+end
+for _u53d8_u91cfi = 1, 10 do
+        while true do
+                if not true then
+                        goto _continue_1
+                end
+                break
+                ::_continue_1::
+        end
+end
+local _u53d8_u91cfa = 1
+repeat
+        _u53d8_u91cfa = _u53d8_u91cfa + 1
+        if _u53d8_u91cfa == 5 then
+                goto _continue_2
+        end
+        if _u53d8_u91cfa == 6 then
+                break
+        end
+        _u6253_u5370(_u53d8_u91cfa)
+        ::_continue_2::
+until _u53d8_u91cfa == 10
+_u53d8_u91cfx = 0
+repeat
+        _u53d8_u91cfx = _u53d8_u91cfx + 1
+        _u53d8_u91cfy = _u53d8_u91cfx
+        if _u53d8_u91cfx < 5 then
+                goto _continue_3
+        end
+        _u6253_u5370(_u53d8_u91cfy)
+        ::_continue_3::
+until _u53d8_u91cfy == 10
+_u53d8_u91cfa = 3
+while not (_u53d8_u91cfa == 0) do
+        _u53d8_u91cfa = _u53d8_u91cfa - 1
+end
+local _u5b8c_u6210 = false
+while not _u5b8c_u6210 do
+        _u5b8c_u6210 = true
+end
+repeat
+        _u6253_u5370("你好")
+until true
+while not _u5b8c_u6210 do
+        _u53d8_u91cfx = 10
+        repeat
+                _u53d8_u91cfx = _u53d8_u91cfx - 1
+        until _u53d8_u91cfx == 0
+end
+while not _u6761_u4ef6 do
+        _u6253_u5370("好的")
+end
+for _u53d8_u91cfx = 1, 10 do
+        if _u53d8_u91cfx > 3 and _u53d8_u91cfx < 7 then
+                goto _continue_4
+        end
+        _u6253_u5370(_u53d8_u91cfx)
+        ::_continue_4::
+end
+local _u5217_u8868
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u53d8_u91cfx = 1, 10 do
+                if _u53d8_u91cfx > 3 and _u53d8_u91cfx < 7 then
+                        goto _continue_5
+                end
+                _accum_0[_len_0] = _u53d8_u91cfx
+                _len_0 = _len_0 + 1
+                ::_continue_5::
+        end
+        _u5217_u8868 = _accum_0
+end
+local _list_2 = {
+        1,
+        2,
+        3,
+        4,
+        5,
+        6
+}
+for _index_0 = 1, #_list_2 do
+        local _u53d8_u91cfa = _list_2[_index_0]
+        if _u53d8_u91cfa == 1 then
+                goto _continue_6
+        end
+        if _u53d8_u91cfa == 3 then
+                goto _continue_6
+        end
+        _u6253_u5370(_u53d8_u91cfa)
+        ::_continue_6::
+end
+for _u53d8_u91cfx = 1, 10 do
+        if _u53d8_u91cfx % 2 == 0 then
+                goto _continue_7
+        end
+        for _u53d8_u91cfy = 2, 12 do
+                if _u53d8_u91cfy % 3 == 0 then
+                        goto _continue_8
+                end
+                ::_continue_8::
+        end
+        ::_continue_7::
+end
+while true do
+        if false then
+                goto _continue_9
+        end
+        break
+        ::_continue_9::
+end
+while true do
+        if false then
+                goto _continue_10
+        end
+        do
+                return 22
+        end
+        ::_continue_10::
+end
+do
+        local _u4e09_u91cdx = {
+                1,
+                2,
+                3,
+                4
+        }
+        for _index_0 = 1, #_u4e09_u91cdx do
+                local _u4e1c_u897f = _u4e09_u91cdx[_index_0]
+                _u6253_u5370(_u4e1c_u897f)
+        end
+end
+do
+        for _u53d8_u91cfi = 1, 10 do
+                repeat
+                        do
+                                local _with_0 = _u5bf9_u8c61tb
+                                if _with_0 ~= nil then
+                                        _with_0["字段a"] = 1
+                                        if _with_0["字段b"] then
+                                                goto _continue_12
+                                        end
+                                        do
+                                                if _with_0["字段c"] then
+                                                        break
+                                                end
+                                        end
+                                end
+                        end
+                        ::_continue_12::
+                until true
+                if 123 == _u53d8_u91cfx then
+                        break
+                else
+                        goto _continue_11
+                end
+                if _u53d8_u91cfy then
+                        goto _continue_11
+                else
+                        break
+                end
+                do
+                        do
+                                do
+                                        _u6253_u5370(_u53d8_u91cfi)
+                                        goto _continue_11
+                                end
+                        end
+                end
+                _u6253_u5370("abc")
+                ::_continue_11::
+        end
+end
diff --git a/spec/outputs/unicode/macro.lua b/spec/outputs/unicode/macro.lua
new file mode 100644
index 0000000..2ae5dce
--- /dev/null
+++ b/spec/outputs/unicode/macro.lua
@@ -0,0 +1,321 @@
+assert(_u5bf9_u8c61 == nil)
+local _u7ed3_u679c = (_u5bf9_u8c61 == nil)
+if _u51fd_u65701() then
+        _u6253_u5370("没问题")
+end
+if (_u51fd_u65701() and _u51fd_u65702() and _u51fd_u65703()) then
+        _u6253_u5370("没问题")
+end
+local _u5bf9_u8c61
+do
+        local __u6e90_, __u76ee_u6807_
+        do
+                __u76ee_u6807_ = {
+                        ["位置"] = { },
+                        ["标签"] = (function()
+                                local _call_0 = _u6807_u7b7e
+                                return _call_0["转数字"](_call_0)
+                        end)()
+                }
+                do
+                        __u6e90_ = self
+                        __u76ee_u6807_["标识"] = __u6e90_["标识"]
+                        __u76ee_u6807_["连接们"] = __u6e90_["连接们"]
+                        __u76ee_u6807_["位置"]["x坐标"] = __u6e90_["位置"]["x坐标"]
+                        __u76ee_u6807_["位置"]["y坐标"] = __u6e90_["位置"]["y坐标"]
+                        __u76ee_u6807_["位置"]["z坐标"] = __u6e90_["位置"]["z坐标"]
+                end
+                _u5bf9_u8c61 = __u76ee_u6807_
+        end
+end
+if (_u53d8_u91cfx == "🍎" or _u53d8_u91cfx == "🐷" or _u53d8_u91cfx == "🐶") then
+        _u6253_u5370("存在")
+end
+local _list_0 = (function()
+        local _accum_0 = { }
+        local _len_0 = 1
+        local _list_0 = (function()
+                local _accum_1 = { }
+                local _len_1 = 1
+                local _list_0 = {
+                        1,
+                        2,
+                        3
+                }
+                for _index_0 = 1, #_list_0 do
+                        local _ = _list_0[_index_0]
+                        _accum_1[_len_1] = _ * 2
+                        _len_1 = _len_1 + 1
+                end
+                return _accum_1
+        end)()
+        for _index_0 = 1, #_list_0 do
+                local _ = _list_0[_index_0]
+                if _ > 4 then
+                        _accum_0[_len_0] = _
+                        _len_0 = _len_0 + 1
+                end
+        end
+        return _accum_0
+end)()
+for _index_0 = 1, #_list_0 do
+        local _ = _list_0[_index_0]
+        _u6253_u5370(_)
+end
+local _list_1 = (function()
+        local _accum_0 = { }
+        local _len_0 = 1
+        local _list_1 = (function()
+                local _accum_1 = { }
+                local _len_1 = 1
+                local _list_1 = {
+                        1,
+                        2,
+                        3
+                }
+                for _index_0 = 1, #_list_1 do
+                        local _ = _list_1[_index_0]
+                        _accum_1[_len_1] = _ * 2
+                        _len_1 = _len_1 + 1
+                end
+                return _accum_1
+        end)()
+        for _index_0 = 1, #_list_1 do
+                local _ = _list_1[_index_0]
+                if _ > 4 then
+                        _accum_0[_len_0] = _
+                        _len_0 = _len_0 + 1
+                end
+        end
+        return _accum_0
+end)()
+for _index_0 = 1, #_list_1 do
+        local _ = _list_1[_index_0]
+        _u6253_u5370(_)
+end
+local _u503c
+do
+        local _2
+        do
+                local _accum_0 = { }
+                local _len_0 = 1
+                local _list_2 = {
+                        1,
+                        2,
+                        3
+                }
+                for _index_0 = 1, #_list_2 do
+                        local _ = _list_2[_index_0]
+                        _accum_0[_len_0] = _ * 2
+                        _len_0 = _len_0 + 1
+                end
+                _2 = _accum_0
+        end
+        local _3
+        do
+                local _accum_0 = { }
+                local _len_0 = 1
+                for _index_0 = 1, #_2 do
+                        local _ = _2[_index_0]
+                        if _ > 4 then
+                                _accum_0[_len_0] = _
+                                _len_0 = _len_0 + 1
+                        end
+                end
+                _3 = _accum_0
+        end
+        local _4
+        if #_3 == 0 then
+                _4 = 0
+        else
+                local _1 = 0
+                for _index_0 = 1, #_3 do
+                        local _2 = _3[_index_0]
+                        _1 = _1 + _2
+                end
+                _4 = _1
+        end
+        _u503c = _4
+end
+local _call_0 = (1 + 2)
+_call_0["调用"](_call_0, 123)
+_u7ed3_u679c = (1 + 2)
+local f
+f = function(_u53c2_u6570x)
+        return function(_u53c2_u6570y)
+                return function(_u53c2_u6570z)
+                        return _u6253_u5370(_u53c2_u6570x, _u53c2_u6570y, _u53c2_u6570z)
+                end
+        end
+end
+do
+        local _u53d8_u91cfa = 8
+        do
+                _u53d8_u91cfa = 1
+                _u53d8_u91cfa = _u53d8_u91cfa + 1
+        end
+        _u53d8_u91cfa = _u53d8_u91cfa + (function()
+                _u53d8_u91cfa = 1
+                return _u53d8_u91cfa + 1
+        end)()
+        _u6253_u5370(_u53d8_u91cfa)
+end
+do
+        local _u53d8_u91cfa = 8
+        _u53d8_u91cfa = (function()
+                local _u53d8_u91cfa
+                _u53d8_u91cfa = 1
+                return _u53d8_u91cfa + 1
+        end)()
+        _u53d8_u91cfa = _u53d8_u91cfa + (function()
+                local _u53d8_u91cfa
+                _u53d8_u91cfa = 1
+                return _u53d8_u91cfa + 1
+        end)()
+        _u6253_u5370(_u53d8_u91cfa)
+end
+local _u53d8_u91cfx = 0
+local function f(a)
+        return a + 1
+end
+x = x + f(3)
+function tb:func()
+        print(123)
+end
+_u6253_u5370(_u53d8_u91cfx)
+local sel
+sel = function(_u53c2_u6570a, _u53c2_u6570b, _u53c2_u6570c)
+        if _u53c2_u6570a then
+                return _u53c2_u6570b
+        else
+                return _u53c2_u6570c
+        end
+end
+local function sel(a, b, c)
+        if a then
+                return b
+        else
+                return c
+        end
+end
+local function dummy()
+        
+end
+-- 这有个注释
+local _ = require('下划线')
+local _call_1 = (_({
+        1,
+        2,
+        3,
+        4,
+        -2,
+        3
+}))
+_call_1 = _call_1["链"](_call_1, _call_1, _call_1, _call_1, _call_1, _call_1, _call_1, _call_1)
+_call_1 = _call_1["映射"](_call_1, _call_1, _call_1, _call_1, function(self)
+        return self * 2
+end)
+_call_1 = _call_1["过滤"](_call_1, _call_1, function(self)
+        return self > 3
+end)
+local _u7ed3_u679ca = _call_1["取值"](_call_1)
+local _call_2 = (_({
+        1,
+        2,
+        3,
+        4,
+        -2,
+        3
+}))
+_call_2 = _call_2["链"](_call_2, _call_2, _call_2, _call_2, _call_2, _call_2, _call_2, _call_2)
+_call_2 = _call_2["映射"](_call_2, _call_2, _call_2, _call_2, function(self)
+        return self * 2
+end)
+_call_2 = _call_2["过滤"](_call_2, _call_2, function(self)
+        return self > 3
+end)
+_call_2["每一个"](_call_2, function(self)
+        return _u6253_u5370(self)
+end)
+local _call_3 = _u539f_u70b9["变换"]["根节点"]["游戏对象"]
+_call_3 = _call_3["父节点"](_call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3)
+_call_3 = _call_3["后代"](_call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3)
+_call_3 = _call_3["选择启用"](_call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3)
+_call_3 = _call_3["选择可见"](_call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3, _call_3)
+_call_3 = _call_3["标签等于"](_call_3, _call_3, _call_3, _call_3, "fx")
+_call_3 = _call_3["其中"](_call_3, _call_3, function(x)
+        local _call_4 = x["名称"]
+        return _call_4["结尾为"](_call_4, _call_4, "(克隆)")
+end)
+_u7ed3_u679c = _call_3["摧毁"](_call_3)
+do
+        local _1
+        local _call_4 = _u539f_u70b9["变换"]["根节点"]["游戏对象"]
+        _1 = _call_4["父节点"](_call_4)
+        local _2
+        _2 = _1["后代"](_1)
+        local _3
+        _3 = _2["选择启用"](_2)
+        local _4
+        _4 = _3["选择可见"](_3)
+        local _5
+        _5 = _4["标签等于"](_4, "fx")
+        local _6
+        _6 = _5["其中"](_5, function(x)
+                local _call_5 = x["名称"]
+                return _call_5["结尾为"](_call_5, "(克隆)")
+        end)
+        _6["摧毁"](_6)
+end
+local _call_0 = _u539f_u70b9["变换"]["根节点"]["游戏对象"]
+_call_0["父节点"](_call_0):_u540e_u4ee3():_u9009_u62e9_u542f_u7528():_u9009_u62e9_u53ef_u89c1():_u6807_u7b7e_u7b49_u4e8e("fx"):_u5176_u4e2d(function(x)
+        local _call_0 = x["名称"]
+        return _call_0["结尾为"](_call_0, "(克隆)")
+end):_u6467_u6bc1()
+_u6253_u5370((setmetatable({
+        'abc',
+        ["字段a"] = 123,
+}, {
+        __call = function(self)
+                return 998
+        end
+}))[1], (setmetatable({
+        'abc',
+        ["字段a"] = 123,
+}, {
+        __call = function(self)
+                return 998
+        end
+}))["字段a"], (setmetatable({
+        'abc',
+        ["字段a"] = 123,
+}, {
+        __call = function(self)
+                return 998
+        end
+}))(), setmetatable({
+        'abc',
+        ["字段a"] = 123,
+}, {
+        __call = function(self)
+                return 998
+        end
+}))
+_u6253_u5370("当前代码行数: " .. tostring(268))
+-- 待实现
+do
+        _u6253_u5370(1)
+end
+local _1
+_1 = function()
+        _u6253_u5370(1)
+        local _accum_0 = { }
+        local _len_0 = 1
+        while false do
+                break
+                _len_0 = _len_0 + 1
+        end
+        return _accum_0
+end
+_u6253_u5370('abc')
+return 123
diff --git a/spec/outputs/unicode/metatable.lua b/spec/outputs/unicode/metatable.lua
new file mode 100644
index 0000000..b6ee48a
--- /dev/null
+++ b/spec/outputs/unicode/metatable.lua
@@ -0,0 +1,168 @@
+local _u53d8_u91cfa = setmetatable({
+        ["关闭"] = true,
+}, {
+        __close = function(self)
+                return _u6253_u5370("离开作用域")
+        end
+})
+local _u53d8_u91cfb = setmetatable({ }, {
+        __add = function(_u5de6, _u53f3)
+                return _u53f3 - _u5de6
+        end
+})
+local _u53d8_u91cfc = setmetatable({
+        ["键1"] = true,
+        ["键2"] = true
+}, {
+        __add = add
+})
+local _u53d8_u91cfw = setmetatable({ }, {
+        [_u540d_u79f0] = 123,
+        ["新建"] = function(self, _u503c)
+                return {
+                        _u503c
+                }
+        end
+})
+getmetatable(_u53d8_u91cfw)["新建"](getmetatable(_u53d8_u91cfw)[_u540d_u79f0])
+do
+        local _ <close> = setmetatable({ }, {
+                __close = function()
+                        return _u6253_u5370("离开作用域")
+                end
+        })
+end
+local _u53d8_u91cfd, _u53d8_u91cfe = _u53d8_u91cfa["关闭"], getmetatable(_u53d8_u91cfa).__close
+local _u53d8_u91cff = getmetatable(_u53d8_u91cfa):__close(1)
+getmetatable(_u53d8_u91cfa).__add = function(x, y)
+        return x + y
+end
+do
+        local _u65b0 = _u53d8_u91cfa["新"]
+        local close, _u5173_u95edA
+        do
+                local _obj_0 = getmetatable(_u53d8_u91cfa)
+                close, _u5173_u95edA = _obj_0.__close, _obj_0.__close
+        end
+        _u6253_u5370(_u65b0, close, _u5173_u95edA)
+end
+do
+        local _u53d8_u91cfx, _u65b0, _u53d8_u91cf, close, _u5173_u95edA, num, add, sub
+        do
+                local _obj_0, _obj_1
+                _u53d8_u91cfx, _obj_0, _obj_1 = 123, _u53d8_u91cfa["变量b"]["变量c"], _u51fd_u6570()
+                _u65b0, _u53d8_u91cf = _obj_0["新"], _obj_0["变量"]
+                do
+                        local _obj_2 = getmetatable(_obj_0)
+                        close, _u5173_u95edA = _obj_2.__close, _obj_2.__close
+                end
+                num = _obj_1.num
+                do
+                        local _obj_2 = getmetatable(_obj_1)
+                        add, sub = _obj_2.__add, _obj_2.__sub
+                end
+        end
+end
+setmetatable(_u53d8_u91cfa["变量b"], { })
+_u53d8_u91cfx.abc = 123
+setmetatable(_u51fd_u6570(), mt)
+setmetatable(_u53d8_u91cfb["变量c"], mt)
+_u53d8_u91cfa, _u53d8_u91cfd, _u53d8_u91cfe = 1, "abc", nil
+local _u76f8_u540c = getmetatable(_u53d8_u91cfa).__index == getmetatable(_u53d8_u91cfa).__index
+setmetatable(_u53d8_u91cfa, {
+        __index = _u8868
+})
+getmetatable(_u53d8_u91cfa).__index = _u8868
+getmetatable(_u53d8_u91cfa).__index = _u8868
+local mt = getmetatable(_u53d8_u91cfa)
+local _call_0 = _u8868
+_call_0["函数"](_call_0, #_u5217_u8868)
+do
+        local _obj_0 = getmetatable(_u8868)
+        _obj_0["函数"](_obj_0, _u5217_u8868)
+end
+do
+        local _obj_0 = getmetatable(_u8868)
+        _obj_0["函数"](_obj_0, _u5217_u8868)
+end
+local index, _u8bbe_u7f6e_u51fd_u6570
+do
+        local _obj_0 = getmetatable(require("模块"))
+        index, _u8bbe_u7f6e_u51fd_u6570 = _obj_0.__index, _obj_0.__newindex
+end
+do
+        local _with_0 = _u8868
+        _u6253_u5370(getmetatable(_with_0).__add, getmetatable(_with_0.x):__index("key"))
+        do
+                local _obj_0 = getmetatable(getmetatable(getmetatable(_with_0).__index).__add)
+                _u53d8_u91cfa = _obj_0["新建"](_obj_0, 123)
+        end
+        _u53d8_u91cfb = t(#getmetatable(_with_0).__close["测试"])
+        _u53d8_u91cfc = t(#getmetatable(_with_0).__close(_with_0["测试"]))
+end
+mt = getmetatable(_u53d8_u91cfa)
+_u53d8_u91cfa = setmetatable({ }, mt)
+_u53d8_u91cfa = setmetatable({ }, {
+        __index = mt
+})
+local index
+local _u7d22_u5f15 = getmetatable(_u53d8_u91cfa).__index
+index = getmetatable(_u53d8_u91cfa).__index
+do
+        local _u6784_u9020, _u66f4_u65b0
+        do
+                local _obj_0 = getmetatable(_u53d8_u91cfa)
+                _u6784_u9020, _u66f4_u65b0 = _obj_0["新"], _obj_0["更新"]
+        end
+end
+do
+        local _u6784_u9020, _u66f4_u65b0
+        do
+                local _obj_0 = getmetatable(_u53d8_u91cfa)
+                _u6784_u9020, _u66f4_u65b0 = _obj_0["新"], _obj_0["更新"]
+        end
+end
+local _u8868 = { }
+do
+        do
+                local _obj_0 = getmetatable(_u8868)
+                _u53d8_u91cff = _obj_0["值" .. tostring(x < y)](_obj_0, 123, ...)
+        end
+        _u53d8_u91cff((function(...)
+                local _obj_0 = getmetatable(_u8868)
+                return _obj_0['值'](_obj_0, 123, ...)
+        end)(...))
+        do
+                local _obj_0 = getmetatable(_u8868)
+                _obj_0[ [[              值
+                1
+        ]]](_obj_0, 123, ...)
+        end
+        local _obj_0 = getmetatable(_u8868)
+        return _obj_0["值" .. tostring(x > y)](_obj_0, 123, ...)
+end
+do
+        do
+                local _obj_0 = getmetatable(_u8868)
+                _u53d8_u91cff = _obj_0['值'](_obj_0, 123, ...)
+        end
+        _u53d8_u91cff((function(...)
+                local _obj_0 = getmetatable(_u8868)
+                return _obj_0['值'](_obj_0, 123, ...)
+        end)(...))
+        do
+                local _obj_0 = getmetatable(_u8868)
+                _obj_0['值'](_obj_0, 123, ...)
+        end
+        local _obj_0 = getmetatable(_u8868)
+        return _obj_0['值'](_obj_0, 123, ...)
+end
+do
+        _u53d8_u91cff = getmetatable(_u8868)["值"](123, ...)
+        _u53d8_u91cff = getmetatable(_u8868)["值" .. tostring(x < y)](123, ...)
+        _u53d8_u91cff(getmetatable(_u8868)['值'](123, ...))
+        getmetatable(_u8868)[ [[ 值
+1]]](123, ...)
+        return getmetatable(_u8868)["值" .. tostring(x > y)](123, ...)
+end
+return nil
diff --git a/spec/outputs/unicode/multiline_chain.lua b/spec/outputs/unicode/multiline_chain.lua
new file mode 100644
index 0000000..90fdf0b
--- /dev/null
+++ b/spec/outputs/unicode/multiline_chain.lua
@@ -0,0 +1,135 @@
+local _u53d8_u91cfx = _u53d8_u91cfa["变量b"]["变量c"]["变量d"]
+local _call_0 = _u53d8_u91cfa["变量b"]
+_u53d8_u91cfx["变量y"] = _call_0["变量c"](_call_0)
+_u51fd_u6570(1, (function()
+        local _call_1 = _u53c2_u65702["值"]
+        return _call_1["获取"](_call_1)
+end)(), (function()
+        local _call_1 = _u53c2_u65703["值"]
+        return _call_1["获取"](_call_1)
+end)(), {
+        1,
+        ((function()
+                if _u53d8_u91cfx ~= nil then
+                        local _obj_0 = _u53d8_u91cfx["变量y"]
+                        if _obj_0 ~= nil then
+                                return _obj_0["变量z"]
+                        end
+                        return nil
+                end
+                return nil
+        end)() ~= nil),
+        3
+})
+local _u8868bb = {
+        ["键1"] = (function()
+                local _call_1 = _u53d8_u91cfa
+                return _call_1["变量b"](_call_1, 123)["变量c"]()
+        end)(),
+        ["键2"] = {
+                ["键w1"] = (function()
+                        local _call_1 = _u53d8_u91cfa()["变量b"]
+                        return _call_1["变量c"](_call_1)
+                end)()
+        }
+}
+local _u8868b
+do
+        local _obj_0 = _u51fd_u65702
+        if _obj_0 ~= nil then
+                _u8868b = _obj_0("abc", _u51fd_u65701({ })["变量a"])
+        end
+end
+local _u51fd_u6570
+_u51fd_u6570 = function()
+        local _accum_0 = { }
+        local _len_0 = 1
+        local _list_0 = _u503c_u96c6_u5408
+        for _index_0 = 1, #_list_0 do
+                local _des_0 = _list_0[_index_0]
+                local _u53d8_u91cfa = _des_0[1]
+                local _call_1 = _u53d8_u91cfa["变量b"]
+                _accum_0[_len_0] = _call_1["变量c"](_call_1, 123)
+                _len_0 = _len_0 + 1
+        end
+        return _accum_0
+end
+local _u51fd_u65701
+_u51fd_u65701 = function()
+        return _u53d8_u91cfx, (function()
+                local _call_1 = _u53d8_u91cfa
+                return _call_1["变量b"](_call_1, 123)["变量c"]("abc")
+        end)()
+end
+local _call_1 = _u539f_u59cb["转换"].root.gameObject
+local _call_2 = _call_1["父节点"](_call_1)
+local _call_3 = _call_2["后代节点"](_call_2)
+local _call_4 = _call_3["选择启用"](_call_3)
+local _call_5 = _call_4["选择可见"](_call_4)
+local _call_6 = _call_5["标签相等"](_call_5, "fx")
+local _call_7 = _call_6["筛选"](_call_6, function(_u5143_u7d20)
+        if _u5143_u7d20["是否目标"](_u5143_u7d20, _u5143_u7d20) then
+                return false
+        end
+        local _call_7 = _u5143_u7d20["名称"]
+        return _call_7["结束于"](_call_7, _call_7, "(Clone)")
+end)
+local _u7ed3_u679c = _call_7["销毁"](_call_7)
+local _call_8 = _u539f_u70b9["变换"]["根节点"]["游戏对象"]
+local _call_9 = _call_8["父节点"](_call_8)
+local _call_10 = _call_9["后代节点"](_call_9)
+local _call_11 = _call_10["选择启用"](_call_10)
+local _call_12 = _call_11["选择可见"](_call_11)
+local _call_13 = _call_12["标签相等"](_call_12, "fx")
+local _call_14 = _call_13["筛选"](_call_13, function(_u5143_u7d20)
+        local _call_14 = _u5143_u7d20["名称"]
+        return _call_14["结束于"](_call_14, _call_14, "(Clone)")
+end)
+_call_14["销毁"](_call_14)
+do
+        local _with_0 = _u9879_u76ee
+        _with_0["项目字段A"] = 123
+        local _call_15 = _with_0["调用方法"](_with_0)
+        _call_15["连续调用"](_call_15)
+        local _call_16 = _with_0["调用方法"](_with_0)
+        _call_16["连续调用"](_call_16)
+        _with_0["连续调用"](_with_0)
+        do
+                local _call_17 = _with_0["项目字段B"]
+                local _exp_0 = _call_17["取值"](_call_17)
+                if "Valid" == _exp_0 or _with_0["获取项目状态"](_with_0) == _exp_0 then
+                        local _call_18 = _with_0["项目方法A"](_with_0)
+                        _call_18["取值"](_call_18)
+                else
+                        local _call_18 = _with_0["项目方法B"](_with_0)
+                        _call_18["取值"](_call_18)
+                end
+        end
+        local _u53d8_u91cfa
+        if _with_0["项目字段C"] then
+                _u53d8_u91cfa = _with_0["项目字段D"]
+        else
+                _u53d8_u91cfa = _with_0["项目字段E"]
+        end
+        local _list_0 = _u503c_u96c6_u5408
+        for _index_0 = 1, #_list_0 do
+                local _u53d8_u91cfv = _list_0[_index_0]
+                _with_0["项目方法C"](_with_0, _u53d8_u91cfv)
+        end
+        for _u53d8_u91cfi = 1, _u8ba1_u6570_u5668 do
+                _with_0["项目方法C"](_with_0, _u53d8_u91cfi)
+        end
+        if not _with_0["变量b"] then
+                do
+                        local _accum_0 = { }
+                        local _len_0 = 1
+                        while _with_0["项目字段D"] do
+                                local _call_17 = _with_0["下一个项目"](_with_0)
+                                _accum_0[_len_0] = _call_17["取得"](_call_17)
+                                _len_0 = _len_0 + 1
+                        end
+                        _with_0["变量c"] = _accum_0
+                end
+        end
+end
+return nil
diff --git a/spec/outputs/unicode/nil_coalescing.lua b/spec/outputs/unicode/nil_coalescing.lua
new file mode 100644
index 0000000..90fd097
--- /dev/null
+++ b/spec/outputs/unicode/nil_coalescing.lua
@@ -0,0 +1,182 @@
+do
+        local _u53d8_u91cfa
+        do
+                local _exp_0 = _u53d8_u91cfb
+                if _exp_0 ~= nil then
+                        _u53d8_u91cfa = _exp_0
+                else
+                        _u53d8_u91cfa = _u53d8_u91cfc
+                end
+        end
+end
+do
+        local _u5b57_u6bb5a
+        do
+                local _exp_0 = _u53d8_u91cfb
+                if _exp_0 ~= nil then
+                        _u5b57_u6bb5a = _exp_0["字段a"]
+                else
+                        _u5b57_u6bb5a = _u53d8_u91cfc["字段a"]
+                end
+        end
+end
+do
+        local _u53d8_u91cfa = _u51fd_u6570()
+        if _u53d8_u91cfa == nil then
+                _u53d8_u91cfa = false
+        end
+end
+do
+        local _u53d8_u91cfa
+        if _u53d8_u91cfa == nil then
+                _u53d8_u91cfa = _u51fd_u6570()
+        end
+end
+do
+        local _u53d8_u91cfa, _u53d8_u91cfb, _u53d8_u91cfc, _u53d8_u91cfd, _u53d8_u91cfe
+        if _u53d8_u91cfb ~= nil then
+                _u53d8_u91cfa = _u53d8_u91cfb
+        else
+                if _u53d8_u91cfc ~= nil then
+                        _u53d8_u91cfa = _u53d8_u91cfc
+                else
+                        if _u53d8_u91cfd ~= nil then
+                                _u53d8_u91cfa = _u53d8_u91cfd
+                        else
+                                _u53d8_u91cfa = _u53d8_u91cfe
+                        end
+                end
+        end
+end
+do
+        local _u53d8_u91cfa
+        do
+                local _exp_0 = _u53d8_u91cfb
+                if _exp_0 ~= nil then
+                        _u53d8_u91cfa = _exp_0
+                else
+                        do
+                                local _exp_1 = _u53d8_u91cfc
+                                if _exp_1 ~= nil then
+                                        _u53d8_u91cfa = _exp_1
+                                else
+                                        do
+                                                local _exp_2 = _u53d8_u91cfd
+                                                if _exp_2 ~= nil then
+                                                        _u53d8_u91cfa = _exp_2
+                                                else
+                                                        _u53d8_u91cfa = _u53d8_u91cfe
+                                                end
+                                        end
+                                end
+                        end
+                end
+        end
+end
+do
+        _u51fd_u6570((function()
+                local _exp_0 = _u53d8_u91cfx
+                if _exp_0 ~= nil then
+                        return _exp_0
+                else
+                        return "你好"
+                end
+        end)())
+end
+do
+        do
+                local _with_0
+                do
+                        local _exp_0 = _u51fd_u6570A()
+                        if _exp_0 ~= nil then
+                                _with_0 = _exp_0
+                        else
+                                _with_0 = _u51fd_u6570B()
+                        end
+                end
+                _u6253_u5370(_with_0["字段"])
+        end
+end
+do
+        local _u53d8_u91cfa = 1 + 2 + (function()
+                local _exp_0 = _u53d8_u91cfb
+                if _exp_0 ~= nil then
+                        return _exp_0
+                else
+                        return _u53d8_u91cfc + 3 + 4
+                end
+        end)()
+end
+do
+        local _u53d8_u91cfa = 1 + 2 + ((function()
+                local _exp_0 = _u53d8_u91cfb
+                if _exp_0 ~= nil then
+                        return _exp_0
+                else
+                        return _u53d8_u91cfc
+                end
+        end)()) + 3 + 4
+end
+do
+        local _u5b57_u6bb5a, _u5b57_u6bb5b
+        do
+                local _obj_0 = _u51fd_u6570()
+                _u5b57_u6bb5a, _u5b57_u6bb5b = _obj_0["字段a"], _obj_0["字段b"]
+        end
+        local _u53d8_u91cfa = _u53d8_u91cfa or 1
+        local _u53d8_u91cfb
+        if _u53d8_u91cfb == nil then
+                do
+                        local _exp_0 = _u53d8_u91cfc
+                        if _exp_0 ~= nil then
+                                _u53d8_u91cfb = _exp_0
+                        else
+                                _u53d8_u91cfb = 2
+                        end
+                end
+        end
+end
+do
+        local _u53d8_u91cfa
+        do
+                local _exp_0 = 1
+                if _exp_0 ~= nil then
+                        _u53d8_u91cfa = _exp_0
+                else
+                        do
+                                local _exp_1 = 2
+                                if _exp_1 ~= nil then
+                                        _u53d8_u91cfa = _exp_1
+                                else
+                                        _u53d8_u91cfa = 3
+                                end
+                        end
+                end
+        end
+end
+do
+        local _obj_0 = _u53d8_u91cfa["字段"]
+        if _obj_0["字段"] == nil then
+                _obj_0["字段"] = 1
+        end
+        local _u53d8_u91cfa
+        do
+                local _exp_0 = _u53d8_u91cfb["字段"]
+                if _exp_0 ~= nil then
+                        _u53d8_u91cfa = _exp_0
+                else
+                        do
+                                local _exp_1 = _u53d8_u91cfc["字段"]
+                                if _exp_1 ~= nil then
+                                        _u53d8_u91cfa = _exp_1
+                                else
+                                        _u53d8_u91cfa = _u53d8_u91cfd["字段"]
+                                end
+                        end
+                end
+        end
+        if _u53d8_u91cfa["字段"] == nil then
+                _u53d8_u91cfa["字段"] = 1
+        end
+end
+return nil
diff --git a/spec/outputs/unicode/operators.lua b/spec/outputs/unicode/operators.lua
new file mode 100644
index 0000000..c515dd1
--- /dev/null
+++ b/spec/outputs/unicode/operators.lua
@@ -0,0 +1,29 @@
+local _u6570_u5b57x = 1 + 3
+local _u6570_u5b57y = 1 + 3
+local _u6570_u5b57z = 1 + 3 + 4
+local _u6570_u5b57k = _u53d8_u91cfb and _u53d8_u91cfc and _u53d8_u91cfg
+local _u53d8_u91cfh = _u4e1c_u897f and function()
+        return _u6253_u5370("你好 世界")
+end
+local _u53d8_u91cfi = _u4e1c_u897f or function()
+        return _u6253_u5370("你好 世界")
+end
+local _u53d8_u91cfp = _u4e1c_u897f and function() end
+_u6253_u5370("你好 世界")
+local _u53d8_u91cfs = _u4e1c_u897f or function() end and 234
+local _u53d8_u91cfu = {
+        ["颜色"] = 1 and 2 and 3,
+        4,
+        4
+}
+local _u53d8_u91cfv = {
+        ["颜色"] = 1 and function()
+                return "yeah"
+        end,
+        "great",
+        ["好的"] = 3 ^ 2
+}
+local _u53d8_u91cfnno = (_u662f_u7684 + 2)
+local _u53d8_u91cfnn = (_u662f_u7684 + 2)
+local _u53d8_u91cfn = _u4f60_u597d(_u53d8_u91cfb)(function() end)
+return _u4f60_u597d(_u53d8_u91cfa, (_u662f_u7684 + 2) - _u597d_u7684)
diff --git a/spec/outputs/unicode/pipe.lua b/spec/outputs/unicode/pipe.lua
new file mode 100644
index 0000000..6e262ae
--- /dev/null
+++ b/spec/outputs/unicode/pipe.lua
@@ -0,0 +1,135 @@
+_u6bcf_u4e00_u4e2a({
+        "abc",
+        123,
+        998
+}, _u6253_u5370)
+_u6253_u5370(_u5408_u5e76(_u8fc7_u6ee4(_u6620_u5c04({
+        1,
+        2,
+        3
+}, function(_u53d8_u91cfx)
+        return _u53d8_u91cfx * 2
+end), function(_u53d8_u91cfx)
+        return _u53d8_u91cfx > 4
+end), 0, function(_u53d8_u91cfa, _u53d8_u91cfb)
+        return _u53d8_u91cfa + _u53d8_u91cfb
+end))
+_u6253_u5370(table.concat((function()
+        local _accum_0 = { }
+        local _len_0 = 1
+        for i = 0, 10 do
+                _accum_0[_len_0] = tostring(i)
+                _len_0 = _len_0 + 1
+        end
+        return _accum_0
+end)(), ","))
+local _u53d8_u91cfb = 1 + 2 + (_u6253_u5370(tostring(4), 1) or 123)
+do
+        local _u53d8_u91cfx = math.max(233, 998)
+        if _u53d8_u91cfx then
+                _u6253_u5370(_u53d8_u91cfx)
+        end
+end
+do
+        local _with_0
+        do
+                local _obj_0 = _u521b_u5efa
+                if _obj_0 ~= nil then
+                        _with_0 = _obj_0(_u53d8_u91cfb, "new")
+                end
+        end
+        _with_0.value = 123
+        _u6253_u5370(_with_0["工作"](_with_0))
+end
+do
+        local _obj_0 = _u51fd_u6570f
+        if _obj_0 ~= nil then
+                _obj_0(123)
+        end
+end
+do
+        local _obj_0 = _u51fd_u65702
+        if _obj_0 ~= nil then
+                _obj_0((function()
+                        local _obj_1 = _u51fd_u65701
+                        if _obj_1 ~= nil then
+                                return _obj_1("abc")
+                        end
+                        return nil
+                end)())
+        end
+end
+local _u53d8_u91cfc
+do
+        local _obj_0 = _u51fd_u65702
+        if _obj_0 ~= nil then
+                _u53d8_u91cfc = _obj_0((function()
+                        local _obj_1 = _u51fd_u65701
+                        if _obj_1 ~= nil then
+                                return _obj_1("abc")
+                        end
+                        return nil
+                end)())
+        end
+end
+local _u51fd_u6570f
+_u51fd_u6570f = function()
+        local _obj_0 = x.y
+        if _obj_0 ~= nil then
+                return _obj_0["如果"](_obj_0, _u53c2_u6570)
+        end
+        return nil
+end
+_u51fd_u65702(998, "abc", _u51fd_u65701(_u51fd_u65700(233)))
+_u51fd_u65702(_u51fd_u65701(_u51fd_u65700(998, "abc", 233)))
+_u51fd_u6570f(1, 2, 3, 4, 5)
+_u51fd_u6570f(1, _u503c(2), 3, 4, 5)
+_u51fd_u6570f(1, 2, _u6570_u7ec4[3], 4, 5)
+local _u53d8_u91cfa = _u51fd_u65702(1, _u51fd_u65701(1, 2, 3, tonumber(table.concat({
+        "1",
+        "2",
+        "3"
+}, ""))), 3)
+_u6253_u5370(_u6e32_u67d3(_u53d1_u51fa(_u89e3_u6790(_u63d0_u53d6(_u8bfb_u6587_u4ef6("example.txt"), _u8bed_u8a00, { }), _u8bed_u8a00))))
+_u6253_u5370(_u6e32_u67d3(_u53d1_u51fa(_u89e3_u6790(_u63d0_u53d6(_u8bfb_u6587_u4ef6("example.txt"), _u8bed_u8a00, { }), _u8bed_u8a00))))
+_u6253_u5370(_u6e32_u67d3(_u53d1_u51fa(_u89e3_u6790(_u63d0_u53d6(_u8bfb_u6587_u4ef6("example.txt"), _u8bed_u8a00, { }), _u8bed_u8a00))))
+_u51fd_u6570f(not _u51fd_u6570(123))
+do
+        local _1 = abc(123, -_u51fd_u6570((function()
+                local _call_0 = _u5217_u8868({
+                        "abc",
+                        "xyz",
+                        "123"
+                })
+                local _call_1 = _call_0["映射"](_call_0, "#")
+                return _call_1["值"](_call_1)
+        end)()), "x")
+        _2, _3, _4 = 1, 2, _u51fd_u6570f(3)
+        local _5
+        _5 = _u51fd_u65704(_u51fd_u65703(_u51fd_u65702(_u51fd_u65701(_u53d8_u91cfv, 1), 2), 3), 4)
+end
+local _u53d8_u91cfx = _u51fd_u6570b(_u51fd_u6570a(123)) or _u51fd_u6570d(_u51fd_u6570c(456)) or (function()
+        local _call_0 = _u51fd_u6570a["if"]
+        return _call_0["那么"](_call_0, "abc")
+end)() or (function()
+        local _obj_0 = _u51fd_u6570a
+        if _obj_0 ~= nil then
+                local _obj_1 = _obj_0["函数b"]
+                local _obj_2 = _obj_1["函数c"]
+                if _obj_2 ~= nil then
+                        return _obj_2(_obj_1, 123)
+                end
+                return nil
+        end
+        return nil
+end)() or (function()
+        local _base_0 = _u53d8_u91cfx
+        local _fn_0 = _base_0["函数y"]
+        return _fn_0 and function(...)
+                return _fn_0(_base_0, ...)
+        end
+end)()
+local _u53d8_u91cfx1 = 3 * _u51fd_u6570f(-4)
+local _u53d8_u91cfx2 = 3 * _u51fd_u6570f(-2 ^ 2)
+local _u53d8_u91cfy = 1 + _u51fd_u6570b(3, (_u51fd_u6570a ^ _u51fd_u6570c)(not #2)) * _u51fd_u65701(_u51fd_u6570f(4 ^ -123)) or 123
+return nil
diff --git a/spec/outputs/unicode/plus.lua b/spec/outputs/unicode/plus.lua
new file mode 100644
index 0000000..75e4aac
--- /dev/null
+++ b/spec/outputs/unicode/plus.lua
@@ -0,0 +1,73 @@
+local _call_0 = _u53d8_u91cfx
+_call_0["执行"](_call_0, "工作")
+_u65b9_u6cd5((function()
+        local _call_1 = _u53d8_u91cfa
+        local _call_2 = _call_1["执行"](_call_1)
+        local _call_3 = _call_2["结束"](_call_2, "好")
+        return _call_3["如果"](_call_3, "abc", 123)
+end)())
+local _call_1 = _u53d8_u91cfb["函数"]
+local _call_2 = _call_1["执行"](_call_1)
+local _call_3 = _call_2["当"](_call_2, "好")
+local _u7ed3_u679c = _call_3["如果"](_call_3, "def", 998)
+local _call_4 = _u53d8_u91cfc["重复"]["如果"]
+local _call_5 = _call_4["然后"](_call_4, "xyz")
+_call_5["否则"](_call_5, _u7ed3_u679c)
+_u6253_u5370(self["循环"], self.__class["函数"](self.__class, 123))
+do
+        local _call_6 = _u6d88_u606f
+        local _u989c_u8272 = _call_6["匹配"](_call_6, "<%w*>")
+        if _u989c_u8272 then
+                local _call_7 = _u6d88_u606f
+                local _u6d88_u606f = _call_7["替换"](_call_7, "<%->", _u989c_u8272)
+        end
+end
+local _u6d88_u606f
+do
+        local _u989c_u8272 = _u6d88_u606f["匹配"](_u6d88_u606f, "<%w*>")
+        if _u989c_u8272 then
+                _u6d88_u606f = _u6d88_u606f["替换"](_u6d88_u606f, "<%->", _u989c_u8272)
+        end
+end
+local _u6570_u503cA
+do
+        local _u65b9_u6cd5 = _u83b7_u53d6_u65b9_u6cd5()
+        if _u65b9_u6cd5 then
+                _u6570_u503cA = _u65b9_u6cd5()
+        end
+end
+local _u6570_u503cA
+do
+        local _u65b9_u6cd5 = _u83b7_u53d6_u65b9_u6cd5()
+        if _u65b9_u6cd5 then
+                _u6570_u503cA = _u65b9_u6cd5()
+        end
+end
+local _u6570_u503cB
+do
+        local _u65b9_u6cd5 = _u83b7_u53d6_u65b9_u6cd5()
+        if _u65b9_u6cd5 ~= nil then
+                _u6570_u503cB = _u65b9_u6cd5()
+        end
+end
+_u80cc_u5305 = {
+        ["东西"] = {
+                ["好的"] = 200,
+                ["他们"] = function()
+                        _u6253_u5370("你好")
+                        return _u4f60_u7684_u811a("小")
+                end,
+                ["美丽"] = _u5934_u53d1,
+                ["黄金"] = _u55ef_u54fc
+        },
+        ["为什么"] = 1000,
+        ["吃"] = _u98df_u7269,
+        ["好的"] = _u670b_u53cb
+}
+local _u5f00_u59cb = {
+        ["东西"] = "冷"
+}
+local _u6d17_u6fa1
+_u6d17_u6fa1 = {
+        ["在"] = "火"
+}
diff --git a/spec/outputs/unicode/return.lua b/spec/outputs/unicode/return.lua
new file mode 100644
index 0000000..250932d
--- /dev/null
+++ b/spec/outputs/unicode/return.lua
@@ -0,0 +1,126 @@
+local _
+_ = function()
+        local _list_0 = _u7269_u54c1
+        for _index_0 = 1, #_list_0 do
+                local _u53d8_u91cfx = _list_0[_index_0]
+                _ = _u53d8_u91cfx
+        end
+end
+_ = function()
+        local _accum_0 = { }
+        local _len_0 = 1
+        local _list_0 = _u7269_u54c1
+        for _index_0 = 1, #_list_0 do
+                local _u53d8_u91cfx = _list_0[_index_0]
+                _accum_0[_len_0] = _u53d8_u91cfx
+                _len_0 = _len_0 + 1
+        end
+        return _accum_0
+end
+do
+        local _list_0 = _u7269_u54c1
+        for _index_0 = 1, #_list_0 do
+                local _u53d8_u91cfx = _list_0[_index_0]
+                return _u53d8_u91cfx
+        end
+end
+do
+        local _accum_0 = { }
+        local _len_0 = 1
+        local _list_0 = _u7269_u54c1
+        for _index_0 = 1, #_list_0 do
+                local _u53d8_u91cfx = _list_0[_index_0]
+                _accum_0[_len_0] = _u53d8_u91cfx
+                _len_0 = _len_0 + 1
+        end
+        return _accum_0
+end
+do
+        local _tbl_0 = { }
+        local _list_0 = _u7269_u54c1
+        for _index_0 = 1, #_list_0 do
+                local _u53d8_u91cfx, _u53d8_u91cfy = _list_0[_index_0]
+                _tbl_0[_u53d8_u91cfx] = _u53d8_u91cfy
+        end
+        return _tbl_0
+end
+_ = function()
+        if _u53d8_u91cfa then
+                if _u53d8_u91cfa then
+                        return _u53d8_u91cfa
+                else
+                        return _u53d8_u91cfb
+                end
+        elseif _u53d8_u91cfb then
+                if _u53d8_u91cfa then
+                        return _u53d8_u91cfa
+                else
+                        return _u53d8_u91cfb
+                end
+        else
+                if _u53d8_u91cfa then
+                        return _u53d8_u91cfa
+                else
+                        return _u53d8_u91cfb
+                end
+        end
+end
+do
+        if _u53d8_u91cfa then
+                if _u53d8_u91cfa then
+                        return _u53d8_u91cfa
+                else
+                        return _u53d8_u91cfb
+                end
+        elseif _u53d8_u91cfb then
+                if _u53d8_u91cfa then
+                        return _u53d8_u91cfa
+                else
+                        return _u53d8_u91cfb
+                end
+        else
+                if _u53d8_u91cfa then
+                        return _u53d8_u91cfa
+                else
+                        return _u53d8_u91cfb
+                end
+        end
+end
+do
+        return {
+                ["值"] = _u503c,
+                ["物品A"] = 123,
+                ["物品B"] = "abc"
+        }
+end
+do
+        local _tab_0 = {
+                1,
+                2
+        }
+        local _idx_0 = 1
+        for _key_0, _value_0 in pairs(_u4e09) do
+                if _idx_0 == _key_0 then
+                        _tab_0[#_tab_0 + 1] = _value_0
+                        _idx_0 = _idx_0 + 1
+                else
+                        _tab_0[_key_0] = _value_0
+                end
+        end
+        _tab_0[#_tab_0 + 1] = 4
+        return _tab_0
+end
+_ = function()
+        local _base_0 = _u53d8_u91cfa
+        local _fn_0 = _base_0["变量b"]
+        return _fn_0 and function(...)
+                return _fn_0(_base_0, ...)
+        end
+end
+do
+        local _base_0 = _u53d8_u91cfa
+        local _fn_0 = _base_0["变量b"]
+        return _fn_0 and function(...)
+                return _fn_0(_base_0, ...)
+        end
+end
diff --git a/spec/outputs/unicode/string.lua b/spec/outputs/unicode/string.lua
new file mode 100644
index 0000000..6bfb033
--- /dev/null
+++ b/spec/outputs/unicode/string.lua
@@ -0,0 +1,53 @@
+local _u4f60_u597d = "你好"
+local _u95ee_u5019 = "啥事，好吧"
+_u6253_u5370(_u4f60_u597d)
+local _u55ef = '嗯'
+local _u8fd9_u91cc, _u53e6_u4e00_u4e2a = "好的", '世界'
+local _u5440 = "YU'M"
+_u4f60('我说："嗯"')
+_u6253_u5370(_u5440, _u4f60)
+_u53e6_u4e00_u4e2a = [[ 你好 世界 ]]
+local _u4f60_u597d__u90a3_u91cc = [[  你好呀
+]]
+local _u597d_u5427 = [==[ "helo" ]==]
+local _u54c8_u55bd = [===[  eat noots]===]
+local _u55ef_u55ef = [[well trhere]]
+local _u6587_u5b57 = [[
+nil
+Fail to compile
+]]
+_u6587_u5b57[ [[abc]]] = [["#{变量i}" for 变量i = 1, 10] for 变量i = 1, 10]]
+local _u54e6_u54e6 = ""
+local _u53d8_u91cfx = "\\"
+_u53d8_u91cfx = "a\\b"
+_u53d8_u91cfx = "\\\n"
+_u53d8_u91cfx = "\""
+local _u53d8_u91cfa = "你好 " .. tostring(_u95ee_u5019) .. " 你好"
+local _u53d8_u91cfb = tostring(_u95ee_u5019) .. " 你好"
+local _u53d8_u91cfc = "你好 " .. tostring(5 + 1)
+local _u53d8_u91cfd = tostring(_u4f60_u597d(_u4e16_u754c))
+local _u53d8_u91cfe = tostring(1) .. " " .. tostring(2) .. " " .. tostring(3)
+local _u53d8_u91cff = [[你好 #{世界} 世界]]
+local _u53d8_u91cfg = "#{你好 世界}"
+_u53d8_u91cfa = '你好 #{问候} 你好'
+_u53d8_u91cfb = '#{问候} 你好'
+_u53d8_u91cfc = '你好 #{问候}'
+local _u53d8_u91cf_ = "你好"
+local _call_0 = ("你好")
+_call_0["格式"](_call_0, 1)
+local _call_1 = ("你好")
+_call_1["格式"](_call_1, 1, 2, 3)
+local _call_2 = ("你好")
+_call_2["格式"](_call_2, 1, 2, 3)(1, 2, 3)
+local _call_3 = ("你好")
+_call_3["世界"](_call_3)
+local _call_4 = ("你好")
+_call_4["格式"](_call_4)["问候"](1, 2, 3)
+local _call_5 = ("你好")
+_call_5["格式"](_call_5, 1, 2, 3)
+local _call_6 = _u67d0_u4e8b("你好")
+_call_6["世界"](_call_6)
+return _u67d0_u4e8b((function()
+        local _call_7 = ("你好")
+        return _call_7["世界"](_call_7)
+end)())
diff --git a/spec/outputs/unicode/stub.lua b/spec/outputs/unicode/stub.lua
new file mode 100644
index 0000000..5f183a1
--- /dev/null
+++ b/spec/outputs/unicode/stub.lua
@@ -0,0 +1,26 @@
+local _u53d8_u91cfx = {
+        ["值"] = 100,
+        ["你好"] = function(self)
+                return _u6253_u5370(self.val)
+        end
+}
+local _u51fd_u6570
+do
+        local _base_0 = _u53d8_u91cfx
+        local _fn_0 = _base_0["值"]
+        _u51fd_u6570 = _fn_0 and function(...)
+                return _fn_0(_base_0, ...)
+        end
+end
+_u6253_u5370(_u51fd_u6570())
+_u6253_u5370(_u53d8_u91cfx["值"](_u53d8_u91cfx));
+(function(...)
+        do
+                local _base_0 = _u4f60_u597d(...)
+                local _fn_0 = _base_0["世界"]
+                _u53d8_u91cfx = _fn_0 and function(...)
+                        return _fn_0(_base_0, ...)
+                end
+        end
+end)()
+return nil
diff --git a/spec/outputs/unicode/switch.lua b/spec/outputs/unicode/switch.lua
new file mode 100644
index 0000000..6b8bbdc
--- /dev/null
+++ b/spec/outputs/unicode/switch.lua
@@ -0,0 +1,401 @@
+do
+        local _exp_0 = _u503c
+        if "酷" == _exp_0 then
+                _u6253_u5370("你好，世界")
+        end
+end
+do
+        local _exp_0 = _u503c
+        if "酷" == _exp_0 then
+                _u6253_u5370("你好，世界")
+        else
+                _u6253_u5370("好的，很棒")
+        end
+end
+do
+        local _exp_0 = _u503c
+        if "酷" == _exp_0 then
+                _u6253_u5370("你好，世界")
+        elseif "是的" == _exp_0 then
+                local _u53d8_u91cf_ = [[FFFF]] + [[MMMM]]
+        elseif (2323 + 32434) == _exp_0 then
+                _u6253_u5370("好的")
+        else
+                _u6253_u5370("好的，很棒")
+        end
+end
+local _u8f93_u51fa
+do
+        local _exp_0 = _u503c
+        if "酷" == _exp_0 then
+                _u8f93_u51fa = _u6253_u5370("你好，世界")
+        else
+                _u8f93_u51fa = _u6253_u5370("好的，很棒")
+        end
+end
+do
+        local _exp_0 = _u503c
+        if "酷" == _exp_0 then
+                _u8f93_u51fa = _u53d8_u91cfx
+        elseif "哦" == _exp_0 then
+                _u8f93_u51fa = 34340
+        else
+                _u8f93_u51fa = error("这大大地失败了")
+        end
+end
+do
+        local _with_0 = _u4e1c_u897f
+        do
+                local _exp_0 = _with_0["值"](_with_0)
+                if _with_0["确定"] == _exp_0 then
+                        local _u53d8_u91cf_ = "世界"
+                else
+                        local _u53d8_u91cf_ = "是的"
+                end
+        end
+end
+_u4fee_u590d(_u8fd9_u4e2a)
+call_func((function()
+        local _exp_0 = _u67d0_u7269
+        if 1 == _exp_0 then
+                return "是"
+        else
+                return "否"
+        end
+end)())
+do
+        local _exp_0 = _u55e8
+        if (_u4f60_u597d or _u4e16_u754c) == _exp_0 then
+                local _u53d8_u91cf_ = _u7eff_u8272
+        end
+end
+do
+        local _exp_0 = _u55e8
+        if "一个" == _exp_0 or "两个" == _exp_0 then
+                _u6253_u5370("酷")
+        elseif "爸爸" == _exp_0 then
+                local _u53d8_u91cf_ = _u5426
+        end
+end
+do
+        local _exp_0 = _u55e8
+        if (3 + 1) == _exp_0 or _u4f60_u597d() == _exp_0 or (function()
+                return 4
+        end)() == _exp_0 then
+                local _u53d8_u91cf_ = _u9ec4_u8272
+        else
+                _u6253_u5370("酷")
+        end
+end
+do
+        local _u5b57_u5178 = {
+                { },
+                {
+                        1,
+                        2,
+                        3
+                },
+                ["变量a"] = {
+                        ["变量b"] = {
+                                ["变量c"] = 1
+                        }
+                },
+                ["变量x"] = {
+                        ["变量y"] = {
+                                ["变量z"] = 1
+                        }
+                }
+        }
+        do
+                local _type_0 = type(_u5b57_u5178)
+                local _tab_0 = "table" == _type_0 or "userdata" == _type_0
+                if _tab_0 then
+                        local _u7b2c_u4e00 = _u5b57_u5178[1]
+                        local _u4e00_u4e2a
+                        do
+                                local _obj_0 = _u5b57_u5178[2]
+                                local _type_1 = type(_obj_0)
+                                if "table" == _type_1 or "userdata" == _type_1 then
+                                        _u4e00_u4e2a = _obj_0[1]
+                                end
+                        end
+                        local _u4e24_u4e2a
+                        do
+                                local _obj_0 = _u5b57_u5178[2]
+                                local _type_1 = type(_obj_0)
+                                if "table" == _type_1 or "userdata" == _type_1 then
+                                        _u4e24_u4e2a = _obj_0[2]
+                                end
+                        end
+                        local _u4e09_u4e2a
+                        do
+                                local _obj_0 = _u5b57_u5178[2]
+                                local _type_1 = type(_obj_0)
+                                if "table" == _type_1 or "userdata" == _type_1 then
+                                        _u4e09_u4e2a = _obj_0[3]
+                                end
+                        end
+                        local _u53d8_u91cfc
+                        do
+                                local _obj_0 = _u5b57_u5178["变量a"]
+                                local _type_1 = type(_obj_0)
+                                if "table" == _type_1 or "userdata" == _type_1 then
+                                        do
+                                                local _obj_1 = _obj_0["变量b"]
+                                                local _type_2 = type(_obj_1)
+                                                if "table" == _type_2 or "userdata" == _type_2 then
+                                                        _u53d8_u91cfc = _obj_1["变量c"]
+                                                end
+                                        end
+                                end
+                        end
+                        local _u53d8_u91cfz
+                        do
+                                local _obj_0 = _u5b57_u5178["变量x"]
+                                local _type_1 = type(_obj_0)
+                                if "table" == _type_1 or "userdata" == _type_1 then
+                                        do
+                                                local _obj_1 = _obj_0["变量y"]
+                                                local _type_2 = type(_obj_1)
+                                                if "table" == _type_2 or "userdata" == _type_2 then
+                                                        _u53d8_u91cfz = _obj_1["变量z"]
+                                                end
+                                        end
+                                end
+                        end
+                        if _u7b2c_u4e00 ~= nil and _u4e00_u4e2a ~= nil and _u4e24_u4e2a ~= nil and _u4e09_u4e2a ~= nil and _u53d8_u91cfc ~= nil and _u53d8_u91cfz ~= nil then
+                                _u6253_u5370(_u7b2c_u4e00, _u4e00_u4e2a, _u4e24_u4e2a, _u4e09_u4e2a, _u53d8_u91cfc, _u53d8_u91cfz)
+                        end
+                end
+        end
+end
+do
+        local _u7269_u54c1 = {
+                {
+                        ["变量x"] = 100,
+                        ["变量y"] = 200
+                },
+                {
+                        ["宽度"] = 300,
+                        ["高度"] = 400
+                },
+                false
+        }
+        for _index_0 = 1, #_u7269_u54c1 do
+                local _u7269 = _u7269_u54c1[_index_0]
+                do
+                        local _type_0 = type(_u7269)
+                        local _tab_0 = "table" == _type_0 or "userdata" == _type_0
+                        local _match_0 = false
+                        if _tab_0 then
+                                local _u53d8_u91cfx = _u7269["变量x"]
+                                local _u53d8_u91cfy = _u7269["变量y"]
+                                if _u53d8_u91cfx ~= nil and _u53d8_u91cfy ~= nil then
+                                        _match_0 = true
+                                        _u6253_u5370("Vec2 " .. tostring(_u53d8_u91cfx) .. ", " .. tostring(_u53d8_u91cfy))
+                                end
+                        end
+                        if not _match_0 then
+                                local _match_1 = false
+                                if _tab_0 then
+                                        local _u5bbd_u5ea6 = _u7269["宽度"]
+                                        local _u9ad8_u5ea6 = _u7269["高度"]
+                                        if _u5bbd_u5ea6 ~= nil and _u9ad8_u5ea6 ~= nil then
+                                                _match_1 = true
+                                                _u6253_u5370("Size " .. tostring(_u5bbd_u5ea6) .. ", " .. tostring(_u9ad8_u5ea6))
+                                        end
+                                end
+                                if not _match_1 then
+                                        if false == _u7269 then
+                                                _u6253_u5370("没有")
+                                        else
+                                                local _match_2 = false
+                                                if _tab_0 then
+                                                        local _u7c7b = _u7269["__类"]
+                                                        if _u7c7b ~= nil then
+                                                                _match_2 = true
+                                                                if _u7c7b_u522bA == _u7c7b then
+                                                                        _u6253_u5370("对象 A")
+                                                                elseif _u7c7b_u522bB == _u7c7b then
+                                                                        _u6253_u5370("对象 B")
+                                                                end
+                                                        end
+                                                end
+                                                if not _match_2 then
+                                                        local _match_3 = false
+                                                        if _tab_0 then
+                                                                local _u8868 = getmetatable(_u7269)
+                                                                if _u8868 ~= nil then
+                                                                        _match_3 = true
+                                                                        _u6253_u5370("带有元表的表")
+                                                                end
+                                                        end
+                                                        if not _match_3 then
+                                                                _u6253_u5370("物品不被接受！")
+                                                        end
+                                                end
+                                        end
+                                end
+                        end
+                end
+        end
+end
+do
+        local _u8868_u683c = { }
+        do
+                local _type_0 = type(_u8868_u683c)
+                local _tab_0 = "table" == _type_0 or "userdata" == _type_0
+                if _tab_0 then
+                        local _u53d8_u91cfa = _u8868_u683c["变量a"]
+                        local _u53d8_u91cfb = _u8868_u683c["变量b"]
+                        if _u53d8_u91cfa == nil then
+                                _u53d8_u91cfa = 1
+                        end
+                        if _u53d8_u91cfb == nil then
+                                _u53d8_u91cfb = 2
+                        end
+                        _u6253_u5370(_u53d8_u91cfa, _u53d8_u91cfb)
+                end
+        end
+        do
+                local _type_0 = type(_u8868_u683c)
+                local _tab_0 = "table" == _type_0 or "userdata" == _type_0
+                if _tab_0 then
+                        local _u53d8_u91cfa = _u8868_u683c["变量a"]
+                        local _u53d8_u91cfb = _u8868_u683c["变量b"]
+                        if _u53d8_u91cfb == nil then
+                                _u53d8_u91cfb = 2
+                        end
+                        if _u53d8_u91cfa ~= nil then
+                                _u6253_u5370("部分匹配", _u53d8_u91cfa, _u53d8_u91cfb)
+                        end
+                end
+        end
+        do
+                local _type_0 = type(_u8868_u683c)
+                local _tab_0 = "table" == _type_0 or "userdata" == _type_0
+                local _match_0 = false
+                if _tab_0 then
+                        local _u53d8_u91cfa = _u8868_u683c["变量a"]
+                        local _u53d8_u91cfb = _u8868_u683c["变量b"]
+                        if _u53d8_u91cfa ~= nil and _u53d8_u91cfb ~= nil then
+                                _match_0 = true
+                                _u6253_u5370(_u53d8_u91cfa, _u53d8_u91cfb)
+                        end
+                end
+                if not _match_0 then
+                        _u6253_u5370("没有匹配")
+                end
+        end
+end
+do
+        local _u8868_u683c = {
+                ["变量x"] = "abc"
+        }
+        do
+                local _type_0 = type(_u8868_u683c)
+                local _tab_0 = "table" == _type_0 or "userdata" == _type_0
+                local _match_0 = false
+                if _tab_0 then
+                        local _u53d8_u91cfx = _u8868_u683c["变量x"]
+                        local _u53d8_u91cfy = _u8868_u683c["变量y"]
+                        if _u53d8_u91cfx ~= nil and _u53d8_u91cfy ~= nil then
+                                _match_0 = true
+                                _u6253_u5370("变量x: " .. tostring(_u53d8_u91cfx) .. " 和 变量y: " .. tostring(_u53d8_u91cfy))
+                        end
+                end
+                if not _match_0 then
+                        if _tab_0 then
+                                local _u53d8_u91cfx = _u8868_u683c["变量x"]
+                                if _u53d8_u91cfx ~= nil then
+                                        _u6253_u5370("只有 变量x: " .. tostring(_u53d8_u91cfx))
+                                end
+                        end
+                end
+        end
+end
+do
+        local _u5339_u914d
+        do
+                local _exp_0 = _u8868_u683c
+                if 1 == _exp_0 then
+                        _u5339_u914d = "1"
+                else
+                        local _type_0 = type(_exp_0)
+                        local _tab_0 = "table" == _type_0 or "userdata" == _type_0
+                        local _match_0 = false
+                        if _tab_0 then
+                                local _u53d8_u91cfx = _exp_0["变量x"]
+                                if _u53d8_u91cfx ~= nil then
+                                        _match_0 = true
+                                        _u5339_u914d = _u53d8_u91cfx
+                                end
+                        end
+                        if not _match_0 then
+                                if false == _exp_0 then
+                                        _u5339_u914d = "false"
+                                else
+                                        _u5339_u914d = nil
+                                end
+                        end
+                end
+        end
+end
+do
+        local _exp_0 = _u8868_u683c
+        if nil == _exp_0 then
+                return "无效"
+        else
+                do
+                        local _type_0 = type(_exp_0)
+                        local _tab_0 = "table" == _type_0 or "userdata" == _type_0
+                        local _match_0 = false
+                        if _tab_0 then
+                                local _u53d8_u91cfa = _exp_0["变量a"]
+                                local _u53d8_u91cfb = _exp_0["变量b"]
+                                if _u53d8_u91cfa ~= nil and _u53d8_u91cfb ~= nil then
+                                        _match_0 = true
+                                        return tostring(_u53d8_u91cfa + _u53d8_u91cfb)
+                                end
+                        end
+                        if not _match_0 then
+                                if 1 == _exp_0 or 2 == _exp_0 or 3 == _exp_0 or 4 == _exp_0 or 5 == _exp_0 then
+                                        return "数字 1 - 5"
+                                else
+                                        local _match_1 = false
+                                        if _tab_0 then
+                                                local _u5339_u914d_u4efb_u4f55_u8868_u683c = _exp_0["匹配任何表格"]
+                                                if _u5339_u914d_u4efb_u4f55_u8868_u683c == nil then
+                                                        _u5339_u914d_u4efb_u4f55_u8868_u683c = "后备"
+                                                end
+                                                _match_1 = true
+                                                return _u5339_u914d_u4efb_u4f55_u8868_u683c
+                                        end
+                                        if not _match_1 then
+                                                return "除非它不是一个表格，否则不应到达这里"
+                                        end
+                                end
+                        end
+                end
+        end
+end
+do
+        do
+                local _exp_0 = _u53d8_u91cfy
+                local _type_0 = type(_exp_0)
+                local _tab_0 = "table" == _type_0 or "userdata" == _type_0
+                if _tab_0 then
+                        local _u8868 = (function()
+                                local _obj_0 = _exp_0["变量x"]
+                                if _obj_0 ~= nil then
+                                        return getmetatable(_obj_0)
+                                end
+                                return nil
+                        end)()
+                        if _u8868 ~= nil then
+                                _u6253_u5370(_u8868)
+                        end
+                end
+        end
+end
+return nil
diff --git a/spec/outputs/unicode/syntax.lua b/spec/outputs/unicode/syntax.lua
new file mode 100644
index 0000000..664fa46
--- /dev/null
+++ b/spec/outputs/unicode/syntax.lua
@@ -0,0 +1,431 @@
+local _u53d8_u91cfa = 1 + 2 * 3 / 6
+local _u4e00_u5806, _u53bb, _u8fd9_u91cc
+_u53d8_u91cfa, _u4e00_u5806, _u53bb, _u8fd9_u91cc = _u53e6_u5916, _u4e16_u754c, nil, nil
+_u51fd_u6570(_u53c2_u65701, _u53c2_u65702, _u53e6_u5916, _u53c2_u65703)
+local _u6211_u4eec
+_u8fd9_u91cc, _u6211_u4eec = function() end, _u662f_u7684
+local _u8fd9_u4e2a, _u4e0d_u540c
+_u8fd9_u4e2a, _u4e0d_u540c = function()
+        return _u65b9_u6cd5
+end, _u662f_u7684
+_u7238_u7238()
+_u7238_u7238(_u4e3b)
+_u4f60_u597d(_u4e00, _u4e8c)();
+(5 + 5)(_u4e16_u754c)
+_u4e50_u8da3(_u53d8_u91cfa)(_u53d8_u91cfb)
+_u4e50_u8da3(_u53d8_u91cfa)(_u53d8_u91cfb)
+_u4e50_u8da3(_u53d8_u91cfa)(_u53d8_u91cfb, _u574f(_u4f60_u597d))
+_u4f60_u597d(_u4e16_u754c(_u4f60_u5728_u8fd9_u91cc_u505a_u4ec0_u4e48))
+_u4ec0_u4e48(_u8fd9_u4e2a)[3243](_u4e16_u754c, _u54ce_u5440)
+_u6bdb_u8338_u8338[_u624b][_u662f](_u6076_u5fc3)(_u597d_u7684(_u597d_u7684[_u4e16_u754c]))
+local _ = (_u5f97_u5230[_u67d0_u4e8b] + 5)[_u5e74]
+local _u53d8_u91cfi, _u53d8_u91cfx = 200, 300
+local _u662f_u7684 = (1 + 5) * 3
+_u662f_u7684 = ((1 + 5) * 3) / 2
+_u662f_u7684 = ((1 + 5) * 3) / 2 + _u53d8_u91cfi % 100
+local _u54c7 = (1 + 2) * (3 + 4) * (4 + 5)
+_ = function()
+        if _u67d0_u4e8b then
+                return 1, 2, 4
+        end
+        return _u6253_u5370("你好")
+end
+_ = function()
+        if _u4f60_u597d then
+                return "你好", "世界"
+        else
+                return _u4e0d, _u65b9_u6cd5
+        end
+end
+_ = function()
+        return 1, 2, 34
+end
+return 5 + function()
+        return 4 + 2
+end
+return 5 + (function()
+        return 4
+end) + 2
+_u6253_u5370(5 + function()
+        _ = 34
+        return _u597d(_u7403)
+end)
+_u67d0_u4e8b('其他', "是")
+_u67d0_u4e8b('其他')
+_u67d0_u4e8b("其他")
+_ = _u67d0_u4e8b([[嘿]]) * 2
+_ = _u67d0_u4e8b([======[嘿]======]) * 2
+_ = _u67d0_u4e8b[ [======[嘿]======]] * 2
+_, _ = _u67d0_u4e8b('其他'), 2
+_, _ = _u67d0_u4e8b("其他"), 2
+_, _ = _u67d0_u4e8b([[其他]]), 2
+_, _ = _u67d0_u4e8b[ [[其他]]], 2
+_u67d0_u4e8b('其他', 2)
+_u67d0_u4e8b("其他", 2)
+_u67d0_u4e8b([[其他]], 2)
+_ = _u8fd9_u91cc(_u6211_u4eec)("去")[12123]
+local _call_0 = _u5206_u88c2("abc xyz 123")
+local _call_1 = _call_0["映射"](_call_0, "#")
+_call_1["打印全部"](_call_1)
+_ = f("")[_u53d8_u91cfa]
+local _call_2 = f("")
+_ = _call_2["变量b"](_call_2)
+_ = f("")["变量c"]()
+f(("")[_u53d8_u91cfa])
+f((function()
+        local _call_3 = ("")
+        return _call_3["变量b"](_call_3)
+end)())
+f(("")["变量c"]())
+local _call_3 = _u5217_u8868({
+        "abc",
+        "xyz",
+        "123"
+})
+local _call_4 = _call_3["映射"](_call_3, "#")
+_call_4["打印全部"](_call_4)
+_ = f({ })[_u53d8_u91cfa]
+local _call_5 = f({ })
+_ = _call_5["变量b"](_call_5)
+_ = f({ })["变量c"]()
+local _u67d0_u4e8b = {
+        ["测试"] = 12323,
+        ["什么"] = function()
+                return _u6253_u5370("你好 世界")
+        end
+}
+_u6253_u5370(_u67d0_u4e8b["测试"])
+local _u5929_u54ea = {
+        ["你好"] = "世界"
+}
+local _u6c29 = {
+        ["数字"] = 100,
+        ["世界"] = function(_u81ea_u5df1)
+                _u6253_u5370(_u81ea_u5df1["数字"])
+                return {
+                        ["某事"] = function()
+                                return _u6253_u5370("嗨 从某事")
+                        end
+                }
+        end,
+        ["某事"] = function(_u81ea_u5df1, _u5b57_u7b26_u4e32)
+                _u6253_u5370("字符串是", _u5b57_u7b26_u4e32)
+                return {
+                        ["世界"] = function(_u53d8_u91cfa, _u53d8_u91cfb)
+                                return _u6253_u5370("总和", _u53d8_u91cfa + _u53d8_u91cfb)
+                        end
+                }
+        end
+}
+_u67d0_u4e8b["什么"]()
+_u6c29["世界"](_u6c29)["某事"]()
+_u6c29["某事"](_u6c29, "200")["世界"](1, 2)
+_u53d8_u91cfx = -434
+_u53d8_u91cfx = -_u4f60_u597d(_u4e16_u754c(_u4e00(_u4e8c)))
+local _u55e8 = -"herfef"
+_u53d8_u91cfx = -(function()
+        local _accum_0 = { }
+        local _len_0 = 1
+        for _u53d8_u91cfx in _u53d8_u91cfx do
+                _accum_0[_len_0] = _u53d8_u91cfx
+                _len_0 = _len_0 + 1
+        end
+        return _accum_0
+end)()
+if _u9177 then
+        _u6253_u5370("你好")
+end
+if not _u9177 then
+        _u6253_u5370("你好")
+end
+if not (1212 and 3434) then
+        _u6253_u5370("你好")
+end
+for i = 1, 10 do
+        _u6253_u5370("你好")
+end
+_u6253_u5370("疯子")
+if _u4f60_u597d then
+        _ = 343
+end
+if _u9177 then
+        _u6253_u5370("什么")
+end
+while not (function()
+                local _call_6 = _u9605_u8bfb_u8005
+                return _call_6["结束"](_call_6)
+        end)() do
+        local _call_6 = _u9605_u8bfb_u8005
+        _call_6["解析_行"](_call_6)
+end
+while not (function()
+                local _call_6 = _u9605_u8bfb_u8005
+                return _call_6["结束"](_call_6)
+        end)() do
+        local _call_6 = _u9605_u8bfb_u8005
+        _call_6["解析_行"](_call_6)
+end
+(function(...)
+        local _u53c2_u6570 = {
+                ...
+        }
+end)()
+_u53d8_u91cfx = function(...)
+        return dump({
+                ...
+        })
+end
+_u53d8_u91cfx = not true
+local _u53d8_u91cfy = not (5 + 5)
+_u53d8_u91cfy = #"你好"
+_u53d8_u91cfx = #{
+        #{ },
+        #{
+                1
+        },
+        #{
+                1,
+                2
+        }
+}
+_, _ = _u4f60_u597d, _u4e16_u754c
+_u67d0_u4e8b["你好"](_u67d0_u4e8b, _u4ec0_u4e48)(_u53d8_u91cfa, _u53d8_u91cfb)
+_u67d0_u4e8b["你好"](_u67d0_u4e8b, _u4ec0_u4e48)
+local _call_6 = _u67d0_u4e8b["你好"]
+_call_6["世界"](_call_6, _u53d8_u91cfa, _u53d8_u91cfb)
+local _call_7 = _u67d0_u4e8b["你好"]
+_call_7["世界"](_call_7, 1, 2, 3)(_u53d8_u91cfa, _u53d8_u91cfb)
+_u53d8_u91cfx = 1232
+_u53d8_u91cfx = _u53d8_u91cfx + (10 + 3)
+local _u53d8_u91cfj = _u53d8_u91cfj - "你好"
+_u53d8_u91cfy = _u53d8_u91cfy * 2
+_u53d8_u91cfy = _u53d8_u91cfy / 100
+_u53d8_u91cfy = _u53d8_u91cfy // 100
+local _u53d8_u91cfm = _u53d8_u91cfm % 2
+local _u4f60_u597d = _u4f60_u597d .. "世界"
+self.__class["某事"] = self.__class["某事"] + 10
+self["某事"] = self["某事"] + 10
+local _update_0 = "你好"
+_u53d8_u91cfa[_update_0] = _u53d8_u91cfa[_update_0] + 10
+local _update_1 = "你好" .. tostring(tostring(ff))
+_u53d8_u91cfa[_update_1] = _u53d8_u91cfa[_update_1] + 10
+local _obj_0 = _u53d8_u91cfa[_u56db]
+_obj_0["字段x"] = _obj_0["字段x"] + 10
+_u53d8_u91cfa["变量b"] = _u53d8_u91cfa["变量b"] + 1
+local _obj_1 = _u53d8_u91cfa["变量b"][1]["变量c"]
+local _update_2 = 2 + 3
+_obj_1[_update_2] = _obj_1[_update_2] + 1
+do
+        local _with_0 = _u8868
+        local _obj_2 = _with_0["字段a"]
+        _obj_2["变量c"] = _obj_2["变量c"] + 1
+end
+do
+        local _obj_2 = _u8868
+        _obj_2[#_obj_2 + 1] = 10
+end
+do
+        local _obj_2 = _u53d8_u91cfa["变量b"]["变量c"]
+        _obj_2[#_obj_2 + 1] = 1
+end
+if _u6761_u4ef6v then
+        _u53d8_u91cfx[#_u53d8_u91cfx + 1] = 1
+else
+        _u53d8_u91cfx[#_u53d8_u91cfx + 1] = 2
+end
+do
+        local _with_0 = _u8868
+        do
+                local _obj_2 = _with_0["变量b"]["变量c"]
+                do
+                        local _with_1 = _u5411_u91cf
+                        _with_1["字段x"] = 1
+                        _with_1["字段y"] = 2
+                        _obj_2[#_obj_2 + 1] = _with_1
+                end
+        end
+end
+do
+        local _call_8 = _u5bf9_u8c61a["变量b"]["变量c"]["变量d"]
+        local _obj_2 = _call_8["函数"](_call_8)["变量g"]
+        _obj_2[#_obj_2 + 1] = 1
+end
+local _u8868 = { }
+_u8868[#_u8868 + 1] = 1
+_u8868[#_u8868 + 1] = 2
+_u8868[#_u8868 + 1] = 3
+_u53d8_u91cfx = 0
+local _list_0 = _u503c
+for _index_0 = 1, #_list_0 do
+        local _u53d8_u91cfv = _list_0[_index_0]
+        if ntype(_u53d8_u91cfv) == "函数定义" then
+                _ = _u53d8_u91cfx + 1
+        end
+end
+_u4f60_u597d = {
+        ["某物"] = _u4e16_u754c,
+        ["如果"] = "你好",
+        ["否则"] = 3434,
+        ["函数"] = "好的",
+        ["好的"] = 230203
+}
+_u8868 = {
+        ["执行"] = _u53d8_u91cfb,
+        _u6267_u884c({
+                ["变量b"] = _u53d8_u91cfb
+        })
+}
+div({
+        ["类"] = "酷"
+})
+_ = 5 + _u4ec0_u4e48(_u65e0_u804a)
+_u4ec0_u4e48(_u65e0_u804a + 5)
+_ = 5 - _u4ec0_u4e48(_u65e0_u804a)
+_u4ec0_u4e48(_u65e0_u804a - 5)
+_u53d8_u91cfx = _u4f60_u597d - _u4e16_u754c - _u67d0_u7269;
+(function(_u67d0_u7269)
+        if _u67d0_u7269 == nil then
+                _u67d0_u7269 = _u4e0e((function()
+                        local _call_8 = _u4ec0_u4e48
+                        return _call_8["酷"](_call_8, 100)
+                end)())
+        end
+        return _u6253_u5370(_u67d0_u7269)
+end)()
+if _u67d0_u7269 then
+        _ = 03589
+else
+        _ = 3434
+end
+if _u67d0_u7269 then
+        _ = _u662f_u7684
+elseif "嗯嗯嗯" then
+        _u6253_u5370("酷")
+else
+        _ = _u597d_u7684
+end
+_u53d8_u91cfx = _u4e0d_u662f_u67d0_u7269
+_u53d8_u91cfy = _u5982_u679c_u67d0_u7269
+local _u53d8_u91cfz = _u53d8_u91cfx(_u4e0e(_u53d8_u91cfb))
+_u53d8_u91cfz = _u53d8_u91cfx(_u4e0eb)
+while 10 > _u67d0_u7269({
+                ["某物"] = "世界"
+        }) do
+        _u6253_u5370("是的")
+end
+_u53d8_u91cfx = {
+        ["好的"] = _u786e_u5b9a
+}
+_u662f_u7684({
+        ["好的"] = _u7537_u4eba,
+        ["确定"] = _u5148_u751f
+})
+_u4f60_u597d("无逗号", {
+        ["是的"] = _u7238_u7238,
+        ["另一个"] = _u4e16_u754c
+})
+_u4f60_u597d("逗号", {
+        ["某物"] = _u4f60_u597d__u4e16_u754c,
+        ["骂人"] = _u4f60
+})
+_u53e6_u4e00_u4e2a(_u4f60_u597d, _u4e00_u4e2a, _u4e8c, _u4e09, _u56db, {
+        ["是的"] = _u7537_u4eba,
+        ["好的"] = _u662f_u7684,
+        ["好"] = _u597d_u7684
+})
+_u53e6_u4e00_u4e2a(_u4f60_u597d, _u4e00_u4e2a, _u4e8c, _u4e09, _u56db, {
+        ["是的"] = _u7537_u4eba,
+        ["好的"] = _u662f_u7684,
+        {
+                ["好"] = _u597d_u7684,
+                ["好的"] = 1
+        },
+        {
+                ["好"] = _u597d_u7684,
+                ["好的"] = 2
+        }
+})
+_u53e6_u4e00_u4e2a(_u4f60_u597d, _u4e00_u4e2a, _u4e8c, _u4e09, _u56db, {
+        ["是的"] = _u7537_u4eba,
+        ["好的"] = _u662f_u7684
+})
+_u53e6_u4e00_u4e2a(_u4f60_u597d, _u4e00_u4e2a, _u4e8c, _u4e09, _u56db, {
+        ["是的"] = _u7537_u4eba({
+                ["好的"] = _u662f_u7684
+        })
+})
+_u963f_u8d3e_u514b_u65af(_u5730_u5740, function(_u6570_u636e)
+        return _u5904_u7406(_u6570_u636e)
+end, function(_u9519_u8bef)
+        return _u6253_u5370(_u9519_u8bef)
+end)
+_u53d8_u91cfa = _u53d8_u91cfa + (3 - 5)
+_u53d8_u91cfa = _u53d8_u91cfa * (3 + 5)
+_u53d8_u91cfa = _u53d8_u91cfa * 3
+_u53d8_u91cfa = _u53d8_u91cfa >> 3
+_u53d8_u91cfa = _u53d8_u91cfa << 3
+_u53d8_u91cfa = _u53d8_u91cfa / _u51fd_u6570("酷")
+_u53d8_u91cfx["然后"] = "你好"
+_u53d8_u91cfx["当"]["真"] = "你好"
+_u53d8_u91cfx["当"]["真"] = "你好"
+_u53d8_u91cfx = _u53d8_u91cfx or "你好"
+_u53d8_u91cfx = _u53d8_u91cfx and "你好"
+_u53d8_u91cfz = _u53d8_u91cfa - _u53d8_u91cfb
+_u53d8_u91cfz = _u53d8_u91cfa(-_u53d8_u91cfb)
+_u53d8_u91cfz = _u53d8_u91cfa - _u53d8_u91cfb
+_u53d8_u91cfz = _u53d8_u91cfa - _u53d8_u91cfb
+local _u5b57_u7b26_u4e32 = _u5b57_u7b26_u4e32A .. _u5b57_u7b26_u4e32B .. _u5b57_u7b26_u4e32C
+_u51fd_u6570(3000, "192.168.1.1")
+local f
+f = function()
+        return _u53d8_u91cfa, _u53d8_u91cfb, _u53d8_u91cfc, _u53d8_u91cfd, _u53d8_u91cfe, _u53d8_u91cff
+end
+f = function()
+        return _u53d8_u91cfa, _u53d8_u91cfb, _u53d8_u91cfc, _u53d8_u91cfd, _u53d8_u91cfe, _u53d8_u91cff
+end
+do
+        local _with_0 = _u5bf9_u8c61
+        _u8c03_u7528(_with_0["函数"](_with_0), 123, "abc")
+end
+_u8c03_u7528A(_u8c03_u7528B(_u8c03_u7528C(123)))
+_u8c03_u7528A(_u8c03_u7528B(_u8c03_u7528C(123)))
+local _u53d8_u91cfv = {
+        _u53d8_u91cfa(-1),
+        _u53d8_u91cfa(-1),
+        _u53d8_u91cfa - 1,
+        _u53d8_u91cfa - 1,
+        _u53d8_u91cfa - 1,
+        _u53d8_u91cfa - 1,
+        _u53d8_u91cfa - 1,
+        _u53d8_u91cfa - 1,
+        _u53d8_u91cfa(~1),
+        _u53d8_u91cfa(~1),
+        _u53d8_u91cfa ~ 1,
+        _u53d8_u91cfa ~ 1,
+        _u53d8_u91cfa ~ 1,
+        _u53d8_u91cfa ~ 1,
+        _u53d8_u91cfa ~ 1,
+        _u53d8_u91cfa ~ 1
+}
+do
+        _u53d8_u91cfa = 1 + 2 * 3 / 4
+        local _u53d8_u91cf_1 = f1(-1 + 2 + 3)
+        local _u53d8_u91cf_2 = f1 - 1 + 2 + 3
+        local f2
+        f2 = function(_u53d8_u91cfx)
+                return _u6253_u5370(_u53d8_u91cfx + 1)
+        end
+        _u53d8_u91cfa = f2()
+        f2(-1)
+        _u53d8_u91cfa = f2() - f2(1)
+        local _u53d8_u91cf_3, _u53d8_u91cf_4
+        _u53d8_u91cf_1, _u53d8_u91cf_2, _u53d8_u91cf_3, _u53d8_u91cf_4 = 1, f(2, 3, f(4, 4))
+end
+do
+        f = function(_u53d8_u91cfa, _u53d8_u91cfb)
+                return _u53d8_u91cfa + _u53d8_u91cfb
+        end
+        f(_u53d8_u91cfa, _u53d8_u91cfb)
+        f()
+end
+return nil
diff --git a/spec/outputs/unicode/tables.lua b/spec/outputs/unicode/tables.lua
new file mode 100644
index 0000000..28ad6e2
--- /dev/null
+++ b/spec/outputs/unicode/tables.lua
@@ -0,0 +1,594 @@
+local _u80cc_u5305 = {
+        ["东西"] = {
+                ["是的"] = 200,
+                ["他们"] = function()
+                        print("你好")
+                        return _u4f60_u7684_u811a("小")
+                end,
+                ["美丽"] = _u5934_u53d1_u53d8_u91cf,
+                ["金"] = _u55ef_u53d8_u91cf
+        },
+        ["您"] = 1000,
+        ["吃"] = goo_u53d8_u91cf,
+        ["是的"] = dudd_u53d8_u91cf
+}
+local _u5f00_u59cb = {
+        ["东西"] = "冷"
+}
+local _u6d74 = {
+        ["开"] = "火"
+}
+local _u53e6_u4e00_u4e2a = {
+        [4] = 232,
+        ["好食物"] = "是最好的"
+}
+local fwip_u53d8_u91cf = {
+        ["东西"] = _u4f60_u597d("什么"),
+        ["数字"] = 2323,
+        ["什么"] = yo_u53d8_u91cf("妈妈", "是的"),
+        ["水果"] = basket_u53d8_u91cf,
+        ["坚果"] = day_u53d8_u91cf
+}
+local frick_u53d8_u91cf = {
+        ["你好"] = "世界"
+}
+local frack_u53d8_u91cf, _u6700_u597d = {
+        ["你好"] = "世界",
+        ["米饭"] = 3434
+}, "什么"
+local ya_u53d8_u91cf = {
+        1,
+        2,
+        3,
+        ["键"] = 100,
+        343,
+        "你好",
+        ["嗯"] = 232
+}
+local x_u53d8_u91cf = {
+        1,
+        2,
+        4343,
+        343,
+        343
+}
+local g_u53d8_u91cf, p_u53d8_u91cf = {
+        1,
+        2,
+        ["nowy变量"] = "是",
+        3,
+        4,
+        ["嘿"] = 232,
+        ["另一个"] = "天"
+}, 234
+local annother_u53d8_u91cf = {
+        1,
+        2,
+        3,
+        3,
+        4,
+        5,
+        6,
+        7,
+        8
+}
+local _u662f_u7684_u53d8_u91cf = {
+        [232] = 3434,
+        "你好",
+        ["冰"] = "蛋糕"
+}
+local whatabout_u53d8_u91cf = {
+        _u4f60_u597d(_u4e16_u754c, _u53e6_u4e00_u4e2a_u53d8_u91cf),
+        _u4ec0_u4e48,
+        _u5173_u4e8e,
+        _u73b0_u5728,
+        _u4f60_u597d("世界"),
+        _u662f_u7684_u53d8_u91cf,
+        _u4f60_u597d("世界", _u662f_u7684_u53d8_u91cf)
+}
+x_u53d8_u91cf = {
+        ["东西"] = function(self)
+                return "你好"
+        end,
+        ["酷"] = {
+                ["床"] = {
+                        2323,
+                        2323
+                },
+                ["红"] = 2343
+        },
+        ["名字"] = function(self, node_u53d8_u91cf)
+                return self:value(node_u53d8_u91cf)
+        end
+}
+x_u53d8_u91cf = {
+        ["东西"] = _u4e1c_u897f,
+        ["东西"] = _u4e1c_u897f_u53d8_u91cf
+}
+local y_u53d8_u91cf = {
+        ["你好"] = _u4f60_u597d,
+        ["那里"] = _u90a3_u91cc,
+        ["怎么样"] = _u600e_u4e48_u6837,
+        ["你"] = _u4f60,
+        ["事情"] = _u4e8b_u60c5
+}
+_u7535_u8bdd_u6211("你好", {
+        ["x变量"] = x_u53d8_u91cf,
+        ["y变量"] = y_u53d8_u91cf,
+        ["z变量"] = z_u53d8_u91cf
+})
+local t_u53d8_u91cf = {
+        ["a变量"] = 'a',
+        [b_u53d8_u91cf] = 'b'
+}
+local xam_u53d8_u91cf = {
+        ["你好"] = 1234,
+        ["你好"] = 12354,
+        [ [[你好变量]]] = 12354,
+        ["你好"] = 12354,
+        [ [[你好变量]]] = 12354
+}
+local kam_u53d8_u91cf = {
+        ["你好"] = 12,
+        ["好奶酪"] = "嗯",
+        ["是的"] = 12 + 232,
+        ["让我们"] = keepit({
+                ["继续"] = _u771f_u7684,
+                ["好的"] = "是的"
+        }),
+        ["更多"] = {
+                1,
+                (function()
+                        local _accum_0 = { }
+                        local _len_0 = 1
+                        for x_u53d8_u91cf = 1, 10 do
+                                _accum_0[_len_0] = x_u53d8_u91cf
+                                _len_0 = _len_0 + 1
+                        end
+                        return _accum_0
+                end)()
+        },
+        [{
+                "一个",
+                "两个"
+        }] = _u4e00_u4ef6_u4e8b_u60c5(function(self) end)
+}
+keepit({
+        ["继续"] = _u771f_u7684,
+        ["好的"] = "是的",
+        ["workd变量"] = "好的"
+})
+_u4e8b_u60c5({
+        ["什么"] = "伟大",
+        ["没有"] = "更多",
+        ["好的"] = 123
+})
+_u4e8b_u60c5({
+        ["什么"] = "伟大",
+        ["没有"] = "更多"
+})
+local __u53d8_u91cf = {
+        ["好的"] = 123
+}
+local k_u53d8_u91cf = {
+        ["你好"] = "世界"
+}
+k_u53d8_u91cf = {
+        ['你好'] = '世界'
+}
+k_u53d8_u91cf = {
+        ["你好"] = '世界',
+        ["帽子"] = "zat变量"
+}
+_u8bf7({
+        ["你好"] = "世界"
+})
+k_u53d8_u91cf = {
+        ["你好"] = "世界",
+        ["一个"] = "区域"
+}
+local f1_u53d8_u91cf, f2_u53d8_u91cf, f3_u53d8_u91cf = "一个", {
+        ["两个"] = three_u53d8_u91cf
+}, "四"
+f1_u53d8_u91cf, f2_u53d8_u91cf = {
+        ["两个"] = three_u53d8_u91cf
+}, "四"
+f1_u53d8_u91cf = {
+        "一个",
+        ["两个"] = three_u53d8_u91cf,
+        "四"
+}
+local j1_u53d8_u91cf, j2_u53d8_u91cf, j3_u53d8_u91cf, j4_u53d8_u91cf = "一个", {
+        ["两个"] = three_u53d8_u91cf,
+        ["四"] = five_u53d8_u91cf
+}, 6, 7
+local _u5973_u82f1_u96c4 = {
+        ["名字"] = "克里斯蒂娜",
+        ["年龄"] = 18,
+        ["工作"] = "公主",
+        ["喜欢"] = {
+                {
+                        ["名字"] = "小猫",
+                        ["img变量"] = "/image/kittens.png"
+                },
+                {
+                        ["名字"] = "花",
+                        ["img变量"] = "/image/flower.png"
+                }
+        },
+        ["物品"] = {
+                {
+                        ["名字"] = "戒指",
+                        ["数量"] = 2
+                },
+                {
+                        ["名字"] = "项链",
+                        ["数量"] = 1
+                }
+        },
+        ["状态"] = {
+                ["desc变量"] = "弱",
+                {
+                        ["属性"] = "健康",
+                        ["价值"] = 50
+                },
+                {
+                        ["属性"] = "魔法",
+                        ["价值"] = 100
+                }
+        }
+}
+local _u5e93_u5b58 = {
+        ["设备"] = {
+                "剑",
+                "盾"
+        },
+        ["物品"] = {
+                {
+                        ["名字"] = "药水",
+                        ["计数"] = 10
+                },
+                {
+                        ["名字"] = "面包",
+                        ["计数"] = 3
+                }
+        }
+}
+local _u7269_u54c1 = {
+        _u51fd_u6570(),
+        (function()
+                local _with_0 = _u53d8_u91cftb
+                _with_0.abc = 123
+                return _with_0
+        end)(),
+        {
+                1,
+                2,
+                3
+        },
+        _u51fd_u6570({
+                1,
+                2,
+                3
+        }),
+        _u51fd_u6570({
+                1,
+                2,
+                3
+        }),
+        (function()
+                local _accum_0 = { }
+                local _len_0 = 1
+                for _u53d8_u91cfi = 1, 3 do
+                        _accum_0[_len_0] = _u53d8_u91cfi
+                        _len_0 = _len_0 + 1
+                end
+                return _accum_0
+        end)(),
+        tostring((function()
+                if _u53d8_u91cfa then
+                        return _u53d8_u91cfb
+                end
+        end)())
+}
+local _u53cc_u9879 = {
+        {
+                "国王",
+                "王后"
+        },
+        {
+                "英雄",
+                "公主"
+        }
+}
+_u7269_u54c1 = {
+        {
+                ["名称"] = "戒指",
+                ["数量"] = 2
+        },
+        {
+                ["名称"] = "项链",
+                ["数量"] = 1
+        }
+}
+local _u83dc_u5355 = {
+        {
+                ["文本"] = "保存",
+                ["子菜单"] = {
+                        {
+                                ["文本"] = "插槽1：" .. (_u63d2_u69fd[1]["名称"] or "无"),
+                                ["点击"] = function() end
+                        },
+                        {
+                                ["文本"] = {
+                                        "插槽2"
+                                },
+                                ["点击"] = function() end
+                        },
+                        {
+                                ["文本"] = [[插槽3]],
+                                ["点击"] = function() end
+                        },
+                        {
+                                ["文本"] = (function()
+                                        local _call_0 = ("插槽4")
+                                        return _call_0["名称"](_call_0)
+                                end)(),
+                                ["点击"] = function() end
+                        },
+                        {
+                                ["文本"] = (function()
+                                        local _call_0 = ({
+                                                {
+                                                        "插槽5"
+                                                }
+                                        })[1]
+                                        return _call_0["名称"](_call_0)
+                                end)(),
+                                ["点击"] = function() end
+                        },
+                        [6] = {
+                                ["文本"] = ("插槽6"),
+                                ["点击"] = function() end
+                        }
+                }
+        }
+}
+local _u53d8_u91cftb
+do
+        local _tab_0 = { }
+        local _idx_0 = 1
+        for _key_0, _value_0 in pairs(_u5176_u4ed6) do
+                if _idx_0 == _key_0 then
+                        _tab_0[#_tab_0 + 1] = _value_0
+                        _idx_0 = _idx_0 + 1
+                else
+                        _tab_0[_key_0] = _value_0
+                end
+        end
+        _u53d8_u91cftb = _tab_0
+end
+local tb_u6df7_u5408
+do
+        local _tab_0 = {
+                1,
+                2,
+                3
+        }
+        local _obj_0
+        _u7269_u54c1.x = 1
+        _u7269_u54c1["函数"](_u7269_u54c1)
+        _obj_0 = _u7269_u54c1
+        local _idx_0 = 1
+        for _key_0, _value_0 in pairs(_obj_0) do
+                if _idx_0 == _key_0 then
+                        _tab_0[#_tab_0 + 1] = _value_0
+                        _idx_0 = _idx_0 + 1
+                else
+                        _tab_0[_key_0] = _value_0
+                end
+        end
+        _tab_0[#_tab_0 + 1] = "a"
+        _tab_0[#_tab_0 + 1] = "b"
+        _tab_0[#_tab_0 + 1] = "c"
+        local _obj_1
+        do
+                local _obj_2 = _u51fd_u6570
+                if _obj_2 ~= nil then
+                        _obj_1 = _obj_2()
+                end
+        end
+        local _idx_1 = 1
+        for _key_0, _value_0 in pairs(_obj_1) do
+                if _idx_1 == _key_0 then
+                        _tab_0[#_tab_0 + 1] = _value_0
+                        _idx_1 = _idx_1 + 1
+                else
+                        _tab_0[_key_0] = _value_0
+                end
+        end
+        _tab_0["键"] = "值"
+        for _index_0 = 1, select('#', ...) do
+                _tab_0[#_tab_0 + 1] = select(_index_0, ...)
+        end
+        tb_u6df7_u5408 = _tab_0
+end
+local tb_u6df7_u5408A
+do
+        local _tab_0 = { }
+        local _obj_0
+        do
+                local _accum_0 = { }
+                local _len_0 = 1
+                for _u53d8_u91cfi = 1, 10 do
+                        _accum_0[_len_0] = _u53d8_u91cfi
+                        _len_0 = _len_0 + 1
+                end
+                _obj_0 = _accum_0
+        end
+        local _idx_0 = 1
+        for _key_0, _value_0 in pairs(_obj_0) do
+                if _idx_0 == _key_0 then
+                        _tab_0[#_tab_0 + 1] = _value_0
+                        _idx_0 = _idx_0 + 1
+                else
+                        _tab_0[_key_0] = _value_0
+                end
+        end
+        _tab_0[#_tab_0 + 1] = 11
+        tb_u6df7_u5408A = _tab_0
+end
+local tb_u6df7_u5408B
+do
+        local _tab_0 = { }
+        local _obj_0 = ...
+        local _idx_0 = 1
+        for _key_0, _value_0 in pairs(_obj_0) do
+                if _idx_0 == _key_0 then
+                        _tab_0[#_tab_0 + 1] = _value_0
+                        _idx_0 = _idx_0 + 1
+                else
+                        _tab_0[_key_0] = _value_0
+                end
+        end
+        local _obj_1 = {
+                ...
+        }
+        local _idx_1 = 1
+        for _key_0, _value_0 in pairs(_obj_1) do
+                if _idx_1 == _key_0 then
+                        _tab_0[#_tab_0 + 1] = _value_0
+                        _idx_1 = _idx_1 + 1
+                else
+                        _tab_0[_key_0] = _value_0
+                end
+        end
+        local _obj_2
+        do
+                local _tab_1 = { }
+                local _obj_3 = ...
+                local _idx_2 = 1
+                for _key_0, _value_0 in pairs(_obj_3) do
+                        if _idx_2 == _key_0 then
+                                _tab_1[#_tab_1 + 1] = _value_0
+                                _idx_2 = _idx_2 + 1
+                        else
+                                _tab_1[_key_0] = _value_0
+                        end
+                end
+                _obj_2 = _tab_1
+        end
+        local _idx_2 = 1
+        for _key_0, _value_0 in pairs(_obj_2) do
+                if _idx_2 == _key_0 then
+                        _tab_0[#_tab_0 + 1] = _value_0
+                        _idx_2 = _idx_2 + 1
+                else
+                        _tab_0[_key_0] = _value_0
+                end
+        end
+        _tab_0[#_tab_0 + 1] = 1
+        _tab_0[#_tab_0 + 1] = 2
+        _tab_0[#_tab_0 + 1] = 3
+        tb_u6df7_u5408B = _tab_0
+end
+local _u6a21_u677f <const> = {
+        foo = "你好",
+        bar = "世界",
+        baz = "！"
+}
+local _u4e13_u95e8_u5316 <const> = (function()
+        local _tab_0 = { }
+        local _idx_0 = 1
+        for _key_0, _value_0 in pairs(_u6a21_u677f) do
+                if _idx_0 == _key_0 then
+                        _tab_0[#_tab_0 + 1] = _value_0
+                        _idx_0 = _idx_0 + 1
+                else
+                        _tab_0[_key_0] = _value_0
+                end
+        end
+        _tab_0.bar = "鲍勃"
+        return _tab_0
+end)()
+local _u4e13_u95e8_u5316B
+do
+        local _tab_0 = {
+                ["函数"] = function() end
+        }
+        local _idx_0 = 1
+        for _key_0, _value_0 in pairs(_u6a21_u677f) do
+                if _idx_0 == _key_0 then
+                        _tab_0[#_tab_0 + 1] = _value_0
+                        _idx_0 = _idx_0 + 1
+                else
+                        _tab_0[_key_0] = _value_0
+                end
+        end
+        _tab_0["结束"] = function() end
+        _tab_0["如果"] = true
+        _tab_0["否则"] = false
+        _u4e13_u95e8_u5316B = _tab_0
+end
+local _u90e8_u5206 = {
+        "肩膀",
+        "膝盖"
+}
+local _u6b4c_u8bcd
+do
+        local _tab_0 = {
+                "头"
+        }
+        local _idx_0 = 1
+        for _key_0, _value_0 in pairs(_u90e8_u5206) do
+                if _idx_0 == _key_0 then
+                        _tab_0[#_tab_0 + 1] = _value_0
+                        _idx_0 = _idx_0 + 1
+                else
+                        _tab_0[_key_0] = _value_0
+                end
+        end
+        _tab_0[#_tab_0 + 1] = "和"
+        _tab_0[#_tab_0 + 1] = "脚趾"
+        _u6b4c_u8bcd = _tab_0
+end
+local tb_u5757 = {
+        ["子菜单"] = (function(...)
+                local _tab_0 = {
+                        ["值"] = _u503c
+                }
+                local _idx_0 = 1
+                for _key_0, _value_0 in pairs(_u7269_u54c1) do
+                        if _idx_0 == _key_0 then
+                                _tab_0[#_tab_0 + 1] = _value_0
+                                _idx_0 = _idx_0 + 1
+                        else
+                                _tab_0[_key_0] = _value_0
+                        end
+                end
+                for _index_0 = 1, select('#', ...) do
+                        _tab_0[#_tab_0 + 1] = select(_index_0, ...)
+                end
+                return _tab_0
+        end)(...)
+}
+_u51fd_u6570((function(...)
+        local _tab_0 = { }
+        local _idx_0 = 1
+        for _key_0, _value_0 in pairs(_u7269_u54c1) do
+                if _idx_0 == _key_0 then
+                        _tab_0[#_tab_0 + 1] = _value_0
+                        _idx_0 = _idx_0 + 1
+                else
+                        _tab_0[_key_0] = _value_0
+                end
+        end
+        _tab_0["值"] = _u503c
+        _tab_0[#_tab_0 + 1] = ...
+        _tab_0.k = _u53d8_u91cfv
+        for _index_0 = 1, select('#', ...) do
+                _tab_0[#_tab_0 + 1] = select(_index_0, ...)
+        end
+        return _tab_0
+end)(...))
+return nil
diff --git a/spec/outputs/unicode/try_catch.lua b/spec/outputs/unicode/try_catch.lua
new file mode 100644
index 0000000..fde63d6
--- /dev/null
+++ b/spec/outputs/unicode/try_catch.lua
@@ -0,0 +1,61 @@
+xpcall(_u51fd_u6570, function(_u9519_u8bef)
+        return _u6253_u5370(_u9519_u8bef)
+end, 1, 2, 3)
+xpcall(_u51fd_u6570, function(_u9519_u8bef)
+        return _u6253_u5370(_u9519_u8bef)
+end, 1, 2, 3)
+pcall(function()
+        _u6253_u5370("正在try")
+        return _u51fd_u6570(1, 2, 3)
+end)
+do
+        local _u6210_u529f, _u7ed3_u679c = xpcall(_u51fd_u6570, function(_u9519_u8bef)
+                return _u6253_u5370(_u9519_u8bef)
+        end, 1, 2, 3)
+        _u6210_u529f, _u7ed3_u679c = pcall(_u51fd_u6570, 1, 2, 3)
+end
+pcall(_u8868["函数"])
+pcall(_u8868["函数"])
+pcall(_u8868["函数"])
+pcall((_u8868["函数"]))
+pcall(((function()
+        local _base_0 = _u8868
+        local _fn_0 = _base_0["函数"]
+        return _fn_0 and function(...)
+                return _fn_0(_base_0, ...)
+        end
+end)()), 1, 2, 3)
+pcall(_u8868["函数"], 1)
+pcall(_u8868["函数"], 1)
+if (xpcall(_u51fd_u6570, function(_u9519_u8bef)
+        return _u6253_u5370(_u9519_u8bef)
+end, 1)) then
+        _u6253_u5370("好的")
+end
+if xpcall((_u51fd_u6570), function(_u9519_u8bef)
+        return _u6253_u5370(_u9519_u8bef)
+end, 1) then
+        _u6253_u5370("好的")
+end
+do
+        do
+                local _u6210_u529f, _u7ed3_u679c = pcall(_u51fd_u6570, "abc", 123)
+                if _u6210_u529f then
+                        _u6253_u5370(_u7ed3_u679c)
+                end
+        end
+        local _u6210_u529f, _u7ed3_u679c = xpcall(_u51fd_u6570, function(_u9519_u8bef)
+                return _u6253_u5370(_u9519_u8bef)
+        end, "abc", 123)
+        _u6210_u529f, _u7ed3_u679c = xpcall(_u51fd_u6570, function(_u9519_u8bef)
+                return _u6253_u5370(_u9519_u8bef)
+        end, "abc", 123)
+        if _u6210_u529f then
+                _u6253_u5370(_u7ed3_u679c)
+        end
+end
+do
+pcall(_u51fd_u6570, 1, 2, 3)
+pcall(_u51fd_u6570, 1, 2, 3)
+end
+return nil
diff --git a/spec/outputs/unicode/unless_else.lua b/spec/outputs/unicode/unless_else.lua
new file mode 100644
index 0000000..38b2e63
--- /dev/null
+++ b/spec/outputs/unicode/unless_else.lua
@@ -0,0 +1,7 @@
+if _u53d8_u91cfa then
+        if not _u53d8_u91cfb then
+                return _u6253_u5370("嗨")
+        elseif _u53d8_u91cfc then
+                return _u6253_u5370("不嗨")
+        end
+end
diff --git a/spec/outputs/unicode/using.lua b/spec/outputs/unicode/using.lua
new file mode 100644
index 0000000..8b6bd1c
--- /dev/null
+++ b/spec/outputs/unicode/using.lua
@@ -0,0 +1,30 @@
+local _u4f60_u597d = "你好"
+local _u4e16_u754c = "世界"
+local _
+_ = function()
+        local _u4f60_u597d = 3223
+end
+_ = function(_u53c2_u6570a)
+        local _u4f60_u597d = 3223
+        _u53c2_u6570a = 323
+end
+_ = function(_u53c2_u6570a, _u53c2_u6570b, _u53c2_u6570c)
+        _u53c2_u6570a, _u53c2_u6570b, _u53c2_u6570c = 1, 2, 3
+        local _u4e16_u754c = 12321
+end
+_ = function(_u53c2_u6570a, _u53c2_u6570e, _u53c2_u6570f)
+        local _u53c2_u6570b, _u53c2_u6570c
+        _u53c2_u6570a, _u53c2_u6570b, _u53c2_u6570c = 1, 2, 3
+        local _u4f60_u597d = 12321
+        local _u4e16_u754c = "yeah"
+end
+_ = function()
+        local _u4f60_u597d = _u4f60_u597d or 2
+end
+do
+        local _u53d8_u91cfa = { }
+        _(function()
+                local _u5143_u7d20x, _u5143_u7d20y = _u53d8_u91cfa[1], _u53d8_u91cfa[2]
+        end)
+end
+return nil
diff --git a/spec/outputs/unicode/vararg.lua b/spec/outputs/unicode/vararg.lua
new file mode 100644
index 0000000..782bf22
--- /dev/null
+++ b/spec/outputs/unicode/vararg.lua
@@ -0,0 +1,301 @@
+local _u8fde_u63a5
+_u8fde_u63a5 = function(...)
+        _u5e26_u6709((function()
+                local _with_0 = _u53d8_u91cfa
+                _with_0["函数"](_with_0)
+                return _with_0
+        end)())
+        _u5e26_u6709((function(...)
+                local _with_0 = _u53d8_u91cfa
+                _with_0["函数"](_with_0, ...)
+                return _with_0
+        end)(...))
+        _u5217_u8868_u751f_u6210((function()
+                local _accum_0 = { }
+                local _len_0 = 1
+                for i = 1, 10 do
+                        _accum_0[_len_0] = _u9879_u76ee[i]
+                        _len_0 = _len_0 + 1
+                end
+                return _accum_0
+        end)())
+        _u5217_u8868_u751f_u6210((function(...)
+                local _accum_0 = { }
+                local _len_0 = 1
+                for i = 1, 10 do
+                        _accum_0[_len_0] = _u9879_u76ee[i](...)
+                        _len_0 = _len_0 + 1
+                end
+                return _accum_0
+        end)(...))
+        _u5217_u8868_u751f_u6210((function()
+                local _accum_0 = { }
+                local _len_0 = 1
+                local _list_0 = _u9879_u76ee
+                for _index_0 = 1, #_list_0 do
+                        local _u7269_u54c1 = _list_0[_index_0]
+                        _accum_0[_len_0] = _u7269_u54c1
+                        _len_0 = _len_0 + 1
+                end
+                return _accum_0
+        end)())
+        _u5217_u8868_u751f_u6210((function(...)
+                local _accum_0 = { }
+                local _len_0 = 1
+                local _list_0 = _u9879_u76ee
+                for _index_0 = 1, #_list_0 do
+                        local _u7269_u54c1 = _list_0[_index_0]
+                        _accum_0[_len_0] = _u7269_u54c1(...)
+                        _len_0 = _len_0 + 1
+                end
+                return _accum_0
+        end)(...))
+        _u7c7b_u751f_u6210((function()
+                local _u53d8_u91cfA
+                do
+                        local _class_0
+                        local _base_0 = { }
+                        if _base_0.__index == nil then
+                                _base_0.__index = _base_0
+                        end
+                        _class_0 = setmetatable({
+                                __init = function() end,
+                                __base = _base_0,
+                                __name = "变量A"
+                        }, {
+                                __index = _base_0,
+                                __call = function(cls, ...)
+                                        local _self_0 = setmetatable({ }, _base_0)
+                                        cls.__init(_self_0, ...)
+                                        return _self_0
+                                end
+                        })
+                        _base_0.__class = _class_0
+                        local self = _class_0;
+                        _u51fd_u6570()
+                        _u53d8_u91cfA = _class_0
+                        return _class_0
+                end
+        end)())
+        _u7c7b_u751f_u6210((function(...)
+                local _u53d8_u91cfA
+                do
+                        local _class_0
+                        local _base_0 = { }
+                        if _base_0.__index == nil then
+                                _base_0.__index = _base_0
+                        end
+                        _class_0 = setmetatable({
+                                __init = function() end,
+                                __base = _base_0,
+                                __name = "变量A"
+                        }, {
+                                __index = _base_0,
+                                __call = function(cls, ...)
+                                        local _self_0 = setmetatable({ }, _base_0)
+                                        cls.__init(_self_0, ...)
+                                        return _self_0
+                                end
+                        })
+                        _base_0.__class = _class_0
+                        local self = _class_0;
+                        _u51fd_u6570(...)
+                        _u53d8_u91cfA = _class_0
+                        return _class_0
+                end
+        end)(...))
+        _u8868_u751f_u6210((function()
+                local _tbl_0 = { }
+                for _u952e, _u503c in pairs(_u8868) do
+                        _tbl_0[_u952e] = _u503c
+                end
+                return _tbl_0
+        end)())
+        _u8868_u751f_u6210((function(...)
+                local _tbl_0 = { }
+                for _u952e, _u503c in pairs(_u8868) do
+                        _tbl_0[_u952e] = _u503c(...)
+                end
+                return _tbl_0
+        end)(...))
+        _u8868_u751f_u6210((function()
+                local _tbl_0 = { }
+                local _list_0 = _u9879_u76ee
+                for _index_0 = 1, #_list_0 do
+                        local _u7269_u54c1 = _list_0[_index_0]
+                        _tbl_0[_u7269_u54c1] = true
+                end
+                return _tbl_0
+        end)())
+        _u8868_u751f_u6210((function(...)
+                local _tbl_0 = { }
+                local _list_0 = _u9879_u76ee
+                for _index_0 = 1, #_list_0 do
+                        local _u7269_u54c1 = _list_0[_index_0]
+                        _tbl_0[_u7269_u54c1(...)] = true
+                end
+                return _tbl_0
+        end)(...))
+        _u505a_u64cd_u4f5c((function()
+                return _u51fd_u6570()
+        end)())
+        _u505a_u64cd_u4f5c((function(...)
+                return _u51fd_u6570(...)
+        end)(...))
+        _u5f53_u64cd_u4f5c((function()
+                local _accum_0 = { }
+                local _len_0 = 1
+                while false do
+                        _accum_0[_len_0] = _u51fd_u6570()
+                        _len_0 = _len_0 + 1
+                end
+                return _accum_0
+        end)())
+        _u5f53_u64cd_u4f5c((function(...)
+                local _accum_0 = { }
+                local _len_0 = 1
+                while false do
+                        _accum_0[_len_0] = _u51fd_u6570(...)
+                        _len_0 = _len_0 + 1
+                end
+                return _accum_0
+        end)(...))
+        _u5982_u679c_u64cd_u4f5c((function()
+                if false then
+                        return _u51fd_u6570()
+                end
+        end)())
+        _u5982_u679c_u64cd_u4f5c((function(...)
+                if false then
+                        return _u51fd_u6570(...)
+                end
+        end)(...))
+        _u9664_u975e_u64cd_u4f5c((function()
+                if not true then
+                        return _u51fd_u6570()
+                end
+        end)())
+        _u9664_u975e_u64cd_u4f5c((function(...)
+                if not true then
+                        return _u51fd_u6570(...)
+                end
+        end)(...))
+        _u5207_u6362_u64cd_u4f5c((function()
+                local _exp_0 = _u53d8_u91cfx
+                if "abc" == _exp_0 then
+                        return _u51fd_u6570()
+                end
+        end)())
+        _u5207_u6362_u64cd_u4f5c((function(...)
+                local _exp_0 = _u53d8_u91cfx
+                if "abc" == _exp_0 then
+                        return _u51fd_u6570(...)
+                end
+        end)(...))
+        _u8868_u8fbe_u5f0f_u64cd_u4f5c((function()
+                local _obj_0 = _u51fd_u6570
+                if _obj_0 ~= nil then
+                        return _obj_0()
+                end
+                return nil
+        end)())
+        _u8868_u8fbe_u5f0f_u64cd_u4f5c((function(...)
+                local _obj_0 = _u51fd_u6570
+                if _obj_0 ~= nil then
+                        return _obj_0(...)
+                end
+                return nil
+        end)(...))
+        _u5192_u53f7((function()
+                local _base_0 = f()
+                local _fn_0 = _base_0["函数"]
+                return _fn_0 and function(...)
+                        return _fn_0(_base_0, ...)
+                end
+        end)())
+        _u5192_u53f7((function(...)
+                local _base_0 = f(...)
+                local _fn_0 = _base_0["函数"]
+                return _fn_0 and function(...)
+                        return _fn_0(_base_0, ...)
+                end
+        end)(...))
+        local _
+        _ = function()
+                local _u5217_u8868 = {
+                        1,
+                        2,
+                        3,
+                        4,
+                        5
+                }
+                local _u51fd_u6570_u540d
+                _u51fd_u6570_u540d = function(_u786e_u5b9a)
+                        return _u786e_u5b9a, table.unpack(_u5217_u8868)
+                end
+                return (function(_arg_0, ...)
+                        local _u786e_u5b9a = _arg_0
+                        _u6253_u5370(_u786e_u5b9a, ...)
+                        local _u591a_u53c2_u6570_u51fd_u6570
+                        _u591a_u53c2_u6570_u51fd_u6570 = function()
+                                return 10, nil, 20, nil, 30
+                        end
+                        return (function(...)
+                                _u6253_u5370(select("#", ...))
+                                return _u6253_u5370(...)
+                        end)(_u591a_u53c2_u6570_u51fd_u6570())
+                end)(_u51fd_u6570_u540d(true))
+        end
+        do
+                (function(...)
+                        return _u6253_u5370(...)
+                end)((function()
+                        if true then
+                                return 1, 2
+                        end
+                end)())
+        end
+        do
+                (function(_arg_0, ...)
+                        local _u53d8_u91cfa = _arg_0
+                        return _u6253_u5370(_u53d8_u91cfa, select('#', ...))
+                end)((function()
+                        if not true then
+                                return 1, 2
+                        end
+                end)())
+        end
+        do
+                (function(...)
+                        return _u6253_u5370(...)
+                end)((function()
+                        local _exp_0 = _u53d8_u91cfx
+                        if 1 == _exp_0 then
+                                local _with_0 = _u8868
+                                _with_0["变量x"] = 123
+                                return _with_0
+                        else
+                                return _u88682
+                        end
+                end)())
+        end
+        do
+                (function(...)
+                        return _u6253_u5370(...)
+                end)(1, 2, (function()
+                        if _u6761_u4ef6 then
+                                return 3, 4, 5
+                        end
+                end)())
+        end
+        do
+                (function(_arg_0, ...)
+                        local _u8868 = _arg_0
+                        return _u6253_u5370(...)
+                end)({
+                        ["名字"] = "abc",
+                        ["值"] = 123
+                })
+        end
+        return nil
+end
diff --git a/spec/outputs/unicode/whitespace.lua b/spec/outputs/unicode/whitespace.lua
new file mode 100644
index 0000000..d026abb
--- /dev/null
+++ b/spec/outputs/unicode/whitespace.lua
@@ -0,0 +1,98 @@
+local _ = {
+        1,
+        2
+}
+_ = {
+        1,
+        2
+}
+_ = {
+        1,
+        2
+}
+_ = {
+        1,
+        2
+}
+_ = {
+        1,
+        2
+}
+_ = {
+        _u4e8b_u60c5(1, 2, 4, 5, 6),
+        3,
+        4,
+        5
+}
+_ = {
+        _u53d8_u91cfa(1, 2, 3),
+        4,
+        5,
+        6,
+        1,
+        2,
+        3
+}
+_ = {
+        _u53d8_u91cfb(1, 2, 3, 4, 5, 6),
+        1,
+        2,
+        3,
+        1,
+        2,
+        3
+}
+_ = {
+        1,
+        2,
+        3
+}
+_ = {
+        _u53d8_u91cfc(1, 2, 3)
+}
+_u4f60_u597d(1, 2, 3, 4, 1, 2, 3, 4, 4, 5)
+_u53d8_u91cfx(1, 2, 3, 4, 5, 6)
+_u4f60_u597d(1, 2, 3, _u4e16_u754c(4, 5, 6, 5, 6, 7, 8))
+_u4f60_u597d(1, 2, 3, _u4e16_u754c(4, 5, 6, 5, 6, 7, 8), 9, 9)
+_ = {
+        _u4f60_u597d(1, 2),
+        3,
+        4,
+        5,
+        6
+}
+local _u53d8_u91cfx = {
+        _u4f60_u597d(1, 2, 3, 4, 5, 6, 7),
+        1,
+        2,
+        3,
+        4
+}
+if _u4f60_u597d(1, 2, 3, _u4e16_u754c, _u4e16_u754c) then
+        _u6253_u5370("你好")
+end
+if _u4f60_u597d(1, 2, 3, _u4e16_u754c, _u4e16_u754c) then
+        _u6253_u5370("你好")
+end
+_u53d8_u91cfa(_u4e00_u4e2a, _u4e24_u4e2a, _u4e09_u4e2a)
+_u53d8_u91cfb(_u4e00_u4e2a, _u4e24_u4e2a, _u4e09_u4e2a)
+_u53d8_u91cfc(_u4e00_u4e2a, _u4e24_u4e2a, _u4e09_u4e2a, _u56db_u4e2a)
+local v
+v = function()
+        return _u53d8_u91cfa, _u53d8_u91cfb, _u53d8_u91cfc
+end
+local v1, v2, v3
+v1, v2, v3 = function()
+        return _u53d8_u91cfa
+end, _u53d8_u91cfb, _u53d8_u91cfc
+local _u53d8_u91cfa, _u53d8_u91cfb, _u53d8_u91cfc, _u53d8_u91cfd, _u53d8_u91cfe, _u53d8_u91cff = 1, f2({
+        abc = abc
+}), 3, 4, _u51fd_u65705(abc), 6
+for _u53d8_u91cfa, _u53d8_u91cfb, _u53d8_u91cfc in pairs(_u5bf9_u8c61tb) do
+        _u6253_u5370(_u53d8_u91cfa, _u53d8_u91cfb, _u53d8_u91cfc)
+end
+for i = 1, 10, -1 do
+        _u6253_u5370(i)
+end
+local _u53d8_u91cfa, _u53d8_u91cfb, _u53d8_u91cfc
+return nil
diff --git a/spec/outputs/unicode/with.lua b/spec/outputs/unicode/with.lua
new file mode 100644
index 0000000..0dcd4a7
--- /dev/null
+++ b/spec/outputs/unicode/with.lua
@@ -0,0 +1,222 @@
+do
+        local _u53d8_u91cfa
+        _u53d8_u91cfa = function()
+                local _with_0 = _u4e1c_u897f
+                _u6253_u5370(_with_0["你好"])
+                _u6253_u5370(_u4f60_u597d)
+                _u6253_u5370("世界")
+                return _with_0
+        end
+end
+do
+        do
+                local _with_0 = _u53f6_u5b50
+                _with_0["世界"]()
+                _with_0["世界"](1, 2, 3)
+                local _u53d8_u91cfg = _with_0["什么"]["是"]["这"]
+                _with_0["你好"](1, 2, 3)
+                _with_0["你好"](_with_0, 1, 2)["世界"](2323)
+                _with_0["你好"](_with_0, "是的", "伙计")
+                _with_0["世界"] = 200
+        end
+end
+do
+        local _u6ecb_u6ecb_u6ecb
+        do
+                local _with_0 = _u4e1c_u897f
+                _with_0["设置状态"]("你好 世界")
+                _u6ecb_u6ecb_u6ecb = _with_0
+        end
+end
+do
+        local _u53d8_u91cfx = 5 + (function()
+                local _with_0 = _u67d0_u4e8b()
+                _with_0["写"](_with_0, "你好 世界")
+                return _with_0
+        end)()
+end
+do
+        local _u53d8_u91cfx = {
+                ["你好"] = (function()
+                        local _with_0 = _u597d_u7684
+                        _with_0["确定"](_with_0)
+                        return _with_0
+                end)()
+        }
+end
+do
+        do
+                local _with_0 = _u4e1c_u897f
+                local _ = _with_0["属性"](_with_0, "某物")["你好"]
+                local _call_0 = _with_0["属性"]
+                _call_0["发送"](_call_0, _u4e00_u4e2a)
+                local _call_1 = _with_0["属性"]
+                _call_1["发送"](_call_1, _u4e00_u4e2a)
+        end
+end
+do
+        do
+                local _with_0 = _u53d8_u91cfa
+                _u6253_u5370(_with_0["世界"])
+        end
+        local _u6a21_u5757
+        do
+                local __u6a21_u5757 = { }
+                __u6a21_u5757["事物"] = "你好"
+                _u6a21_u5757 = __u6a21_u5757
+        end
+        do
+                local _u53d8_u91cfa, _u53d8_u91cfb = _u4e1c_u897f, _u5e03
+                _u6253_u5370(_u53d8_u91cfa["世界"])
+        end
+        local _u53d8_u91cfx
+        do
+                local _u53d8_u91cfa, _u53d8_u91cfb = 1, 2
+                _u6253_u5370(_u53d8_u91cfa + _u53d8_u91cfb)
+                _u53d8_u91cfx = _u53d8_u91cfa
+        end
+        _u6253_u5370((function()
+                local _u53d8_u91cfa, _u53d8_u91cfb = 1, 2
+                _u6253_u5370(_u53d8_u91cfa + _u53d8_u91cfb)
+                return _u53d8_u91cfa
+        end)())
+        local p
+        do
+                local _with_0 = 1
+                _u4f60_u597d()["字段x"], _u4e16_u754c()["字段y"] = _with_0, 2
+                _u6253_u5370(_u53d8_u91cfa + _u53d8_u91cfb)
+                p = _with_0
+        end
+end
+do
+        local _u53d8_u91cfx = "你好"
+        _u53d8_u91cfx["大写"](_u53d8_u91cfx)
+end
+do
+        do
+                local _u53d8_u91cfk = "乔"
+                _u6253_u5370(_u53d8_u91cfk["大写"](_u53d8_u91cfk))
+        end
+end
+do
+        do
+                local _u53d8_u91cfa, _u53d8_u91cfb, _u53d8_u91cfc = "", "", ""
+                _u6253_u5370(_u53d8_u91cfa["大写"](_u53d8_u91cfa))
+        end
+end
+do
+        local _u53d8_u91cfa = "床铺"
+        do
+                local _u53d8_u91cfb, _u53d8_u91cfc
+                _u53d8_u91cfa, _u53d8_u91cfb, _u53d8_u91cfc = "", "", ""
+                _u6253_u5370(_u53d8_u91cfa["大写"](_u53d8_u91cfa))
+        end
+end
+do
+        do
+                local _with_0 = _u53d8_u91cfj
+                _u6253_u5370(_with_0["大写"](_with_0))
+        end
+end
+do
+        do
+                local _with_0 = "乔"
+                _u53d8_u91cfk["变量j"] = _with_0
+                _u6253_u5370(_with_0["大写"](_with_0))
+        end
+end
+do
+        do
+                local _with_0 = _u53d8_u91cfa
+                _u6253_u5370(_with_0.b)
+                do
+                        local _with_1 = _with_0.c
+                        _u6253_u5370(_with_1.d)
+                end
+        end
+end
+do
+        do
+                local _with_0 = _u53d8_u91cfa
+                do
+                        local _with_1 = 2
+                        _with_0.b = _with_1
+                        _u6253_u5370(_with_1.c)
+                end
+        end
+end
+do
+        local _
+        _ = function()
+                local _with_0 = _u55e8
+                return _with_0.a, _with_0.b
+        end
+end
+do
+        do
+                local _with_0 = _u8868_u683c
+                local _call_0 = _u9879_u76ee["字段"]
+                _with_0.x = _call_0["函数"](_call_0, 123)
+        end
+end
+do
+        do
+                local _with_0 = _u7238_u7238
+                _with_0["如果"]("是的")
+                local _u53d8_u91cfy = _with_0["结束"]["函数"]
+        end
+end
+do
+        do
+                local _with_0 = _u8868_u683c
+                do
+                        local _obj_0 = _with_0[2]
+                        if _obj_0 ~= nil then
+                                _with_0[1] = _obj_0["函数"](_obj_0)
+                        end
+                end
+                _with_0["%a-b-c%"] = 123
+                _with_0[ [[x y z]]] = _with_0[_u53d8_u91cf]
+                _u6253_u5370(_with_0[_with_0[3]])
+                do
+                        local _with_1 = _with_0[4]
+                        _with_1[1] = 1
+                end
+                _with_0[#_with_0 + 1] = "abc"
+                _with_0[#_with_0 + 1] = {
+                        ["类型"] = "你好",
+                        {
+                                ["名字"] = "xyz",
+                                ["值"] = 998
+                        }
+                }
+        end
+end
+do
+        do
+                local _with_0 = _u5b9e_u5fc3_u77e9_u5f62({
+                        ["宽"] = w,
+                        ["高"] = h,
+                        ["颜色"] = 0x66000000
+                })
+                _u63a9_u7801 = _with_0
+                if _with_0 ~= nil then
+                        _with_0["触摸启用"] = true
+                        _with_0["吞噬触摸"] = true
+                end
+        end
+end
+do
+        do
+                local _u63a9_u7801 = _u5b9e_u5fc3_u77e9_u5f62({
+                        ["宽"] = w,
+                        ["高"] = h,
+                        ["颜色"] = 0x66000000
+                })
+                if _u63a9_u7801 ~= nil then
+                        _u63a9_u7801["触摸启用"] = true
+                        _u63a9_u7801["吞噬触摸"] = true
+                end
+        end
+end
+return nil