int luaErrorHandler(lua_State *m_state) {
    if (!lua_isstring(m_state, 1))
        return 1;
    lua_getfield(m_state, LUA_GLOBALSINDEX, "debug");
    if (!lua_istable(m_state, -1)) {
        lua_pop(m_state, 1);
        return 1;
    }
    lua_getfield(m_state, -1, "traceback");
    if (!lua_isfunction(m_state, -1)) {
        lua_pop(m_state, 2);
        return 1;
    }
    lua_pushvalue(m_state, 1);  /* pass error message */
    lua_pushinteger(m_state, 2);
        lua_call(m_state, 2, 1);  /* call debug.traceback */

    return 1;
}