1 files changed, 75 insertions, 0 deletions
diff --git a/engines/sword25/script/lua_extensions.cpp b/engines/sword25/script/lua_extensions.cpp
new file mode 100644
index 0000000000..3c0d4570a2
--- /dev/null
+++ b/engines/sword25/script/lua_extensions.cpp
@@ -0,0 +1,75 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+/*
+ * This code is based on Broken Sword 2.5 engine
+ *
+ * Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
+ *
+ * Licensed under GNU GPL v2
+ *
+ */
+
+#include "sword25/script/luascript.h"
+#include "sword25/script/luabindhelper.h"
+
+namespace Sword25 {
+
+static int warning(lua_State *L) {
+#ifdef DEBUG
+	int __startStackDepth = lua_gettop(L);
+#endif
+
+	luaL_checkstring(L, 1);
+	luaL_where(L, 1);
+	lua_pushstring(L, "WARNING - ");
+	lua_pushvalue(L, 1);
+	lua_concat(L, 3);
+	BS_Log::Log("%s\n", luaL_checkstring(L, -1));
+	lua_pop(L, 1);
+
+#ifdef DEBUG
+	BS_ASSERT(__startStackDepth == lua_gettop(L));
+#endif
+
+	return 0;
+}
+
+static const luaL_reg GLOBAL_FUNCTIONS[] = {
+	{"warning", warning},
+	{0, 0}
+};
+
+bool LuaScriptEngine::registerStandardLibExtensions() {
+	lua_State *L = _state;
+	BS_ASSERT(_state);
+
+	if (!LuaBindhelper::addFunctionsToLib(L, "", GLOBAL_FUNCTIONS))
+		return false;
+
+	return true;
+}
+
+} // End of namespace Sword25