From 9de0be5040e3feda8aface1174cd1e6fc696fe4e Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Sat, 19 Apr 2025 00:42:27 +0800
Subject: bind sandbox

---
 xmake/core/base/serialize.lua | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'xmake/core/base/serialize.lua')

diff --git a/xmake/core/base/serialize.lua b/xmake/core/base/serialize.lua
index b45d5587f..665fe04a6 100644
--- a/xmake/core/base/serialize.lua
+++ b/xmake/core/base/serialize.lua
@@ -167,7 +167,6 @@ function serialize._makefunction(func, opt)
 end
 
 function serialize._resolvefunction(root, fenv, bytecode)
-    -- check
     if type(bytecode) ~= "string" then
         return nil, string.format("invalid bytecode (string expected, got %s)", type(bytecode))
     end
@@ -191,7 +190,10 @@ function serialize._resolvefunction(root, fenv, bytecode)
             if upname == nil or upname == "" then
                 break
             end
-            debug.setupvalue(func, i, fenv[upname])
+            local upvalue = fenv[upname]
+            if upvalue ~= nil then
+                debug.setupvalue(func, i, upvalue)
+            end
         end
     end
     return func
@@ -477,8 +479,6 @@ end
 -- @return              obj, errors
 --
 function serialize.load(str)
-
-    -- check
     assert(str)
 
     -- load string
-- 
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