more changes

Author: Vighnesh-V

tests/src/cliruntimefixture.cpp

@@ -8,18 +8,9 @@
 static int report(lua_State* L)
 {
     const char* str = luaL_tolstring(L, 1, nullptr);
-    lua_getglobal(L, "reporter");
-    if (lua_islightuserdata(L, -1))
-    {
-        // It's a light userdata, proceed to retrieve
-        void* rep = lua_touserdata(L, -1); // Get it from the top of the stack
-        TestReporter* reporter = static_cast<TestReporter*>(rep);
-        reporter->reportOutput(str);
-    }
-    else
-    {
-        throw std::runtime_error("Expected reporter to be a light userdata");
-    }
+    lua_getfield(L, LUA_REGISTRYINDEX, "reporter");
+    TestReporter* reporter = static_cast<TestReporter*>(lua_touserdata(L, -1));
+    reporter->reportOutput(str);
     return 0;
 }
 
@@ -31,7 +22,7 @@ CliRuntimeFixture::CliRuntimeFixture()
         [rep = reporter.get()](lua_State* L)
         {
             lua_pushlightuserdata(L, (void*)rep);
-            lua_setglobal(L, "reporter");
+            lua_setfield(L, LUA_REGISTRYINDEX, "reporter");
             lua_pushcfunction(L, report, "");
             lua_setglobal(L, "report");
         }