Function pushLuaResult

app/src/DataModel/Scripting/DeviceWriteApi.cpp:79–91

* @brief Pushes a {ok, error?} table onto the Lua stack. */

 * @brief Pushes a {ok, error?} table onto the Lua stack.
 */
static void pushLuaResult(lua_State* L, bool ok, const QString& errorMsg)
{
  lua_createtable(L, 0, ok ? 1 : 2);

  lua_pushboolean(L, ok ? 1 : 0);
  lua_setfield(L, -2, "ok");

  if (!ok) {
    const QByteArray utf8 = errorMsg.toUtf8();
    lua_pushlstring(L, utf8.constData(), static_cast<size_t>(utf8.size()));
    lua_setfield(L, -2, "error");
  }
}

/**
 * @brief Lua C closure for deviceWrite(data, sourceId?) returning a result table.