15 files changed, 150 insertions, 92 deletions

diff --git a/spec/outputs/5.1/attrib.lua b/spec/outputs/5.1/attrib.lua
index a156e84..bda24bc 100644
--- a/spec/outputs/5.1/attrib.lua
+++ b/spec/outputs/5.1/attrib.lua
@@ -136,9 +136,11 @@ do
         end
         local b
         if not false then
-                if x then
-                        b = 1
-                end
+                b = ((function()
+                        if x then
+                                return 1
+                        end
+                end)())
         end
         local _close_0
         if (function()
@@ -164,10 +166,12 @@ do
         end)(pcall(function()
                 local c
                 if true then
-                        local _exp_0 = x
-                        if "abc" == _exp_0 then
-                                c = 998
-                        end
+                        c = ((function()
+                                local _exp_0 = x
+                                if "abc" == _exp_0 then
+                                        return 998
+                                end
+                        end)())
                 end
                 local d
                 if (function()
diff --git a/spec/outputs/5.1/try_catch.lua b/spec/outputs/5.1/try_catch.lua
index d4c80c1..efd92c6 100644
--- a/spec/outputs/5.1/try_catch.lua
+++ b/spec/outputs/5.1/try_catch.lua
@@ -8,10 +8,10 @@ local _anon_func_2 = function(tb)
         return tb.func()
 end
 local _anon_func_3 = function(tb)
-        return tb.func()
+        return (tb.func())
 end
 local _anon_func_4 = function(tb)
-        return tb:func(1, 2, 3)
+        return (tb:func(1, 2, 3))
 end
 local _anon_func_5 = function(tb)
         return tb.func(1)
@@ -64,7 +64,7 @@ f = function()
                 print("OK")
         end
         if xpcall(function()
-                return func(1)
+                return (func(1))
         end, function(err)
                 return print(err)
         end) then
diff --git a/spec/outputs/assign.lua b/spec/outputs/assign.lua
index f889865..162c5a8 100644
--- a/spec/outputs/assign.lua
+++ b/spec/outputs/assign.lua
@@ -36,10 +36,10 @@ local x
 do
         local f = getHandler()
         if f then
-                do
+                x = ((function()
                         f()
-                        x = 123
-                end
+                        return 123
+                end)())
         end
 end
 local _anon_func_0 = function(print)
diff --git a/spec/outputs/attrib.lua b/spec/outputs/attrib.lua
index e48963c..bb9916c 100644
--- a/spec/outputs/attrib.lua
+++ b/spec/outputs/attrib.lua
@@ -56,17 +56,21 @@ do
         end
         local b
         if not false then
-                if x then
-                        b = 1
-                end
+                b = ((function()
+                        if x then
+                                return 1
+                        end
+                end)())
         end
         local _close_0 <close> = b
         local c
         if true then
-                local _exp_0 = x
-                if "abc" == _exp_0 then
-                        c = 998
-                end
+                c = ((function()
+                        local _exp_0 = x
+                        if "abc" == _exp_0 then
+                                return 998
+                        end
+                end)())
         end
         local d
         if (function()
diff --git a/spec/outputs/do.lua b/spec/outputs/do.lua
index 6473e03..96d1022 100644
--- a/spec/outputs/do.lua
+++ b/spec/outputs/do.lua
@@ -32,10 +32,10 @@ local t = {
 }
 return function(y, k)
         if y == nil then
-                do
+                y = ((function()
                         x = 10 + 2
-                        y = x
-                end
+                        return x
+                end)())
         end
         if k == nil then
                 do
diff --git a/spec/outputs/syntax.lua b/spec/outputs/syntax.lua
index 5fd1821..040a325 100644
--- a/spec/outputs/syntax.lua
+++ b/spec/outputs/syntax.lua
@@ -239,9 +239,11 @@ x = 0
 local _list_0 = values
 for _index_0 = 1, #_list_0 do
         local v = _list_0[_index_0]
-        if ntype(v) == "fndef" then
-                _ = x + 1
-        end
+        _ = ((function()
+                if ntype(v) == "fndef" then
+                        return x + 1
+                end
+        end)())
 end
 hello = {
         something = world,
diff --git a/spec/outputs/try_catch.lua b/spec/outputs/try_catch.lua
index d4c80c1..efd92c6 100644
--- a/spec/outputs/try_catch.lua
+++ b/spec/outputs/try_catch.lua
@@ -8,10 +8,10 @@ local _anon_func_2 = function(tb)
         return tb.func()
 end
 local _anon_func_3 = function(tb)
-        return tb.func()
+        return (tb.func())
 end
 local _anon_func_4 = function(tb)
-        return tb:func(1, 2, 3)
+        return (tb:func(1, 2, 3))
 end
 local _anon_func_5 = function(tb)
         return tb.func(1)
@@ -64,7 +64,7 @@ f = function()
                 print("OK")
         end
         if xpcall(function()
-                return func(1)
+                return (func(1))
         end, function(err)
                 return print(err)
         end) then
diff --git a/spec/outputs/unicode/assign.lua b/spec/outputs/unicode/assign.lua
index bf43953..d4ad56a 100644
--- a/spec/outputs/unicode/assign.lua
+++ b/spec/outputs/unicode/assign.lua
@@ -36,10 +36,10 @@ local _u53d8_u91cfx
 do
         local _u51fd_u6570 = _u83b7_u53d6_u5904_u7406_u51fd_u6570()
         if _u51fd_u6570 then
-                do
+                _u53d8_u91cfx = ((function()
                         _u51fd_u6570()
-                        _u53d8_u91cfx = 123
-                end
+                        return 123
+                end)())
         end
 end
 local _anon_func_0 = function(_u6253_u5370)
diff --git a/spec/outputs/unicode/attrib.lua b/spec/outputs/unicode/attrib.lua
index 1c48de4..5e5bb99 100644
--- a/spec/outputs/unicode/attrib.lua
+++ b/spec/outputs/unicode/attrib.lua
@@ -48,17 +48,21 @@ do
         end
         local _u5173_u95ed_u53d8_u91cfb
         if not false then
-                if _u6761_u4ef6x then
-                        _u5173_u95ed_u53d8_u91cfb = 1
-                end
+                _u5173_u95ed_u53d8_u91cfb = ((function()
+                        if _u6761_u4ef6x then
+                                return 1
+                        end
+                end)())
         end
         local _close_0 <close> = _u5173_u95ed_u53d8_u91cfb
         local _u5e38_u91cfc
         if true then
-                local _exp_0 = _u6761_u4ef6x
-                if "abc" == _exp_0 then
-                        _u5e38_u91cfc = 998
-                end
+                _u5e38_u91cfc = ((function()
+                        local _exp_0 = _u6761_u4ef6x
+                        if "abc" == _exp_0 then
+                                return 998
+                        end
+                end)())
         end
         local _u5173_u95ed_u53d8_u91cfd
         if (function()
diff --git a/spec/outputs/unicode/do.lua b/spec/outputs/unicode/do.lua
index f9c3079..7bf1da3 100644
--- a/spec/outputs/unicode/do.lua
+++ b/spec/outputs/unicode/do.lua
@@ -32,10 +32,10 @@ local _u53d8_u91cft = {
 }
 return function(_u53c2_u6570y, _u53c2_u6570k)
         if _u53c2_u6570y == nil then
-                do
+                _u53c2_u6570y = ((function()
                         _u53d8_u91cfx = 10 + 2
-                        _u53c2_u6570y = _u53d8_u91cfx
-                end
+                        return _u53d8_u91cfx
+                end)())
         end
         if _u53c2_u6570k == nil then
                 do
diff --git a/spec/outputs/unicode/macro.lua b/spec/outputs/unicode/macro.lua
index 099080f..b14f571 100644
--- a/spec/outputs/unicode/macro.lua
+++ b/spec/outputs/unicode/macro.lua
@@ -215,52 +215,85 @@ do
 -- 这有个注释
 end
 local _ = require('下划线')
-local _call_0 = (_({
-        1,
-        2,
-        3,
-        4,
-        -2,
-        3
-}))
-_call_0 = _call_0["链"](_call_0)
-_call_0 = _call_0["映射"](_call_0, function(self)
-        return self * 2
-end)
-_call_0 = _call_0["过滤"](_call_0, function(self)
-        return self > 3
-end)
-local _u7ed3_u679ca = _call_0["取值"](_call_0)
-do
-        local _call_1 = (_({
-                1,
-                2,
-                3,
-                4,
-                -2,
-                3
-        }))
-        _call_1 = _call_1["链"](_call_1)
-        _call_1 = _call_1["映射"](_call_1, function(self)
-                return self * 2
-        end)
-        _call_1 = _call_1["过滤"](_call_1, function(self)
+local _anon_func_0 = function(_)
+        do
+                local _call_0 = (_({
+                        1,
+                        2,
+                        3,
+                        4,
+                        -2,
+                        3
+                }))
+                return _call_0["链"](_call_0)
+        end
+end
+local _call_0 = ((function()
+        local _call_0 = ((function()
+                local _call_0 = (_anon_func_0(_))
+                return _call_0["映射"](_call_0, function(self)
+                        return self * 2
+                end)
+        end)())
+        return _call_0["过滤"](_call_0, function(self)
                 return self > 3
         end)
+end)())
+local _u7ed3_u679ca = _call_0["取值"](_call_0)
+local _anon_func_1 = function(_)
+        do
+                local _call_1 = (_({
+                        1,
+                        2,
+                        3,
+                        4,
+                        -2,
+                        3
+                }))
+                return _call_1["链"](_call_1)
+        end
+end
+do
+        local _call_1 = ((function()
+                local _call_1 = ((function()
+                        local _call_1 = (_anon_func_1(_))
+                        return _call_1["映射"](_call_1, function(self)
+                                return self * 2
+                        end)
+                end)())
+                return _call_1["过滤"](_call_1, function(self)
+                        return self > 3
+                end)
+        end)())
         _call_1["每一个"](_call_1, function(self)
                 return _u6253_u5370(self)
         end)
 end
-local _call_1 = _u539f_u70b9["变换"]["根节点"]["游戏对象"]
-_call_1 = _call_1["父节点"](_call_1)
-_call_1 = _call_1["后代"](_call_1)
-_call_1 = _call_1["选择启用"](_call_1)
-_call_1 = _call_1["选择可见"](_call_1)
-_call_1 = _call_1["标签等于"](_call_1, "fx")
-_call_1 = _call_1["其中"](_call_1, function(x)
-        local _call_2 = x["名称"]
-        return _call_2["结尾为"](_call_2, "(克隆)")
-end)
+local _anon_func_2 = function(_u539f_u70b9)
+        do
+                local _call_1 = _u539f_u70b9["变换"]["根节点"]["游戏对象"]
+                return _call_1["父节点"](_call_1)
+        end
+end
+local _call_1 = ((function()
+        local _call_1 = ((function()
+                local _call_1 = ((function()
+                        local _call_1 = ((function()
+                                local _call_1 = ((function()
+                                        local _call_1 = (_anon_func_2(_u539f_u70b9))
+                                        return _call_1["后代"](_call_1)
+                                end)())
+                                return _call_1["选择启用"](_call_1)
+                        end)())
+                        return _call_1["选择可见"](_call_1)
+                end)())
+                return _call_1["标签等于"](_call_1, "fx")
+        end)())
+        return _call_1["其中"](_call_1, function(x)
+                local _call_2 = x["名称"]
+                return _call_2["结尾为"](_call_2, "(克隆)")
+        end)
+end)())
 _u7ed3_u679c = _call_1["摧毁"](_call_1)
 do
         do
diff --git a/spec/outputs/unicode/syntax.lua b/spec/outputs/unicode/syntax.lua
index ea97bb9..1984f40 100644
--- a/spec/outputs/unicode/syntax.lua
+++ b/spec/outputs/unicode/syntax.lua
@@ -258,9 +258,11 @@ _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
+        _ = ((function()
+                if ntype(_u53d8_u91cfv) == "函数定义" then
+                        return _u53d8_u91cfx + 1
+                end
+        end)())
 end
 _u4f60_u597d = {
         ["某物"] = _u4e16_u754c,
diff --git a/spec/outputs/unicode/try_catch.lua b/spec/outputs/unicode/try_catch.lua
index 22f29f9..f8c7849 100644
--- a/spec/outputs/unicode/try_catch.lua
+++ b/spec/outputs/unicode/try_catch.lua
@@ -32,11 +32,13 @@ pcall(function()
         return _u8868["函数"]()
 end)
 pcall(function()
-        return _u8868["函数"]()
+        return (_u8868["函数"]())
 end)
 pcall(function()
-        local _call_0 = _u8868
-        return _call_0["函数"](_call_0, 1, 2, 3)
+        return ((function()
+                local _call_0 = _u8868
+                return _call_0["函数"](_call_0, 1, 2, 3)
+        end)())
 end)
 pcall(function()
         return _u8868["函数"](1)
@@ -52,7 +54,7 @@ end)) then
         _u6253_u5370("好的")
 end
 if xpcall(function()
-        return _u51fd_u6570(1)
+        return (_u51fd_u6570(1))
 end, function(_u9519_u8bef)
         return _u6253_u5370(_u9519_u8bef)
 end) then
diff --git a/src/yuescript/yue_ast.h b/src/yuescript/yue_ast.h
index e670126..5e70645 100644
--- a/src/yuescript/yue_ast.h
+++ b/src/yuescript/yue_ast.h
@@ -620,6 +620,7 @@ AST_END(Slice)
 
 AST_NODE(Parens)
         ast_ptr<true, Exp_t> expr;
+        bool extra = false;
         AST_MEMBER(Parens, &expr)
 AST_END(Parens)
 
diff --git a/src/yuescript/yue_compiler.cpp b/src/yuescript/yue_compiler.cpp
index a2a1864..68ce9b5 100644
--- a/src/yuescript/yue_compiler.cpp
+++ b/src/yuescript/yue_compiler.cpp
@@ -75,7 +75,7 @@ static std::unordered_set<std::string> Metamethods = {
         "close"s // Lua 5.4
 };
 
-const std::string_view version = "0.27.3"sv;
+const std::string_view version = "0.27.4"sv;
 const std::string_view extension = "yue"sv;
 
 class CompileError : public std::logic_error {
@@ -1080,8 +1080,8 @@ private:
                         if (unary->ops.empty()) {
                                 Value_t* value = static_cast<Value_t*>(unary->expos.back());
                                 if (auto chain = ast_cast<ChainValue_t>(value->item); chain && chain->items.size() == 1) {
-                                        if (auto exp = chain->get_by_path<Callable_t, Parens_t, Exp_t>()) {
-                                                if (auto insideValue = singleValueFrom(exp)) {
+                                        if (auto parens = chain->get_by_path<Callable_t, Parens_t>(); parens && parens->extra) {
+                                                if (auto insideValue = singleValueFrom(parens->expr)) {
                                                         return insideValue;
                                                 }
                                         }
@@ -3262,6 +3262,7 @@ private:
                                                         } else if (destruct.items.size() == 1 && !singleValueFrom(*j)) {
                                                                 auto p = destruct.value.get();
                                                                 auto parens = p->new_ptr<Parens_t>();
+                                                                parens->extra = true;
                                                                 if (auto tableBlock = ast_cast<TableBlock_t>(p)) {
                                                                         auto tableLit = p->new_ptr<TableLit_t>();
                                                                         tableLit->values.dup(tableBlock->values);
@@ -4750,6 +4751,7 @@ private:
                                 newSimpleValue->value.set(funLit);
                                 auto newExpInParens = newExp(newSimpleValue, x);
                                 auto newParens = x->new_ptr<Parens_t>();
+                                newParens->extra = true;
                                 newParens->expr.set(newExpInParens);
                                 auto newCallable = x->new_ptr<Callable_t>();
                                 newCallable->item.set(newParens);
@@ -5570,6 +5572,7 @@ private:
                 auto x = chainList.front();
                 if (ast_is<ExistentialOp_t>(chainList.back())) {
                         auto parens = x->new_ptr<Parens_t>();
+                        parens->extra = true;
                         {
                                 auto chainValue = x->new_ptr<ChainValue_t>();
                                 for (auto item : chainList) {
@@ -6163,6 +6166,7 @@ private:
                                                                 ++next;
                                                                 if (next != chainList.end()) {
                                                                         auto paren = x->new_ptr<Parens_t>();
+                                                                        paren->extra = true;
                                                                         paren->expr.set(newExp(chainValue, x));
                                                                         auto ncallable = x->new_ptr<Callable_t>();
                                                                         ncallable->item.set(paren);
@@ -6215,6 +6219,7 @@ private:
                                                         simpleValue->value.set(funLit);
                                                         auto exp = newExp(simpleValue, x);
                                                         auto paren = x->new_ptr<Parens_t>();
+                                                        paren->extra = true;
                                                         paren->expr.set(exp);
                                                         auto callable = x->new_ptr<Callable_t>();
                                                         callable->item.set(paren);
@@ -6631,6 +6636,7 @@ private:
                                         exp.set(info.node);
                                         if (!exp->opValues.empty() || (chainList.size() > 2 || (chainList.size() == 2 && !ast_is<Invoke_t, InvokeArgs_t>(chainList.back())))) {
                                                 auto paren = x->new_ptr<Parens_t>();
+                                                paren->extra = true;
                                                 paren->expr.set(exp);
                                                 auto callable = x->new_ptr<Callable_t>();
                                                 callable->item.set(paren);