Method convertResult

app/src/DataModel/Scripting/LuaScriptEngine.cpp:673–709

* @brief Converts the Lua return value at stack top to a frame list. */

 * @brief Converts the Lua return value at stack top to a frame list.
 */
QList<QStringList> DataModel::LuaScriptEngine::convertResult()
{
  QList<QStringList> results;

  if (!lua_istable(m_state, -1)) {
    QStringList frame = scalarToStringList();
    lua_pop(m_state, 1);
    if (!frame.isEmpty())
      results.append(frame);

    return results;
  }

  const int len = static_cast<int>(lua_rawlen(m_state, -1));
  if (len == 0) {
    lua_pop(m_state, 1);
    return results;
  }

  const int scanLen = qMin(len, kMaxElements);
  QStringList scalars;
  scalars.reserve(scanLen);
  for (int i = 1; i <= scanLen; ++i) {
    lua_rawgeti(m_state, -1, i);
    if (lua_istable(m_state, -1)) [[unlikely]] {
      lua_pop(m_state, 1);
      return classifyTable(len);
    }

    scalars.append(luaValueToString());
    lua_pop(m_state, 1);
  }

  lua_pop(m_state, 1);
  results.append(scalars);
  return results;
}

/**
 * @brief Dispatches the table at stack top to scalar/2D/mixed conversion paths.