From 19ef72f788a58ef93481e2412da9fe4934e57c35 Mon Sep 17 00:00:00 2001
From: halx99 <halx99@live.com>
Date: Sat, 27 Mar 2021 19:49:06 +0800
Subject: [PATCH] Properly set gc mode for lua-5.4 [ci build]

---
 extensions/scripting/lua-bindings/manual/CCLuaStack.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/extensions/scripting/lua-bindings/manual/CCLuaStack.cpp b/extensions/scripting/lua-bindings/manual/CCLuaStack.cpp
index 2e97cf769f..00dd78b973 100644
--- a/extensions/scripting/lua-bindings/manual/CCLuaStack.cpp
+++ b/extensions/scripting/lua-bindings/manual/CCLuaStack.cpp
@@ -94,6 +94,11 @@ namespace {
 
         return 0;
     }
+
+    int lua_version(lua_State* L) {
+        lua_pushinteger(L, LUA_VERSION_NUM);
+        return 1;
+    }
 }
 
 NS_CC_BEGIN
@@ -132,6 +137,7 @@ bool LuaStack::init()
     const luaL_Reg global_functions [] = {
         {"print", lua_print},
         {"release_print",lua_release_print},
+        {"version", lua_version},
         {nullptr, nullptr}
     };
     luaL_register(_state, "_G", global_functions);