* @brief Span twin of applyDatasetValue: in-place writes keep the producer allocation-free. The * span lane never runs during playback, so unlike its twin it needs no final-value player * check before applying the transform. */
| 1309 | * check before applying the transform. |
| 1310 | */ |
| 1311 | SS_HOT void DataModel::FrameBuilder::applyDatasetValueSpan(Dataset& dataset, |
| 1312 | const QByteArrayView* spans, |
| 1313 | qsizetype count, |
| 1314 | const TransformFrameInfo& info) |
| 1315 | { |
| 1316 | Q_ASSERT(spans != nullptr); |
| 1317 | SS_ASSUME(count > 0); |
| 1318 | |
| 1319 | DatasetDeps* dep = nullptr; |
| 1320 | if (m_changeDriven && dataset.virtual_ && !dataset.transformCode.isEmpty()) { |
| 1321 | dep = &m_datasetDeps[dataset.uniqueId]; |
| 1322 | if (!dep->readSlots.empty() && !m_tableStore.changedSince(dep->readSlots, dep->lastRunClock)) |
| 1323 | return; |
| 1324 | } |
| 1325 | |
| 1326 | if (dataset.virtual_) { |
| 1327 | dataset.numericValue = 0.0; |
| 1328 | dataset.value.clear(); |
| 1329 | dataset.isNumeric = true; |
| 1330 | } else { |
| 1331 | const int idx = dataset.index; |
| 1332 | if (idx <= 0 || idx > count) [[unlikely]] |
| 1333 | return; |
| 1334 | |
| 1335 | // code-verify off |
| 1336 | // Restates the guard above; never assume idx range before the bounds check on a parsed frame. |
| 1337 | SS_ASSUME(idx >= 1 && idx <= count); |
| 1338 | // code-verify on |
| 1339 | |
| 1340 | const QByteArrayView token = spans[idx - 1]; |
| 1341 | DataModel::assign_utf8_in_place(dataset.value, token); |
| 1342 | dataset.numericValue = SerialStudio::toDouble(token, &dataset.isNumeric); |
| 1343 | } |
| 1344 | |
| 1345 | dataset.rawNumericValue = dataset.numericValue; |
| 1346 | DataModel::assign_string_in_place(dataset.rawValue, dataset.value); |
| 1347 | |
| 1348 | if (m_captureDatasetValues) |
| 1349 | m_tableStore.setDatasetRaw( |
| 1350 | dataset.uniqueId, dataset.numericValue, dataset.value, dataset.isNumeric); |
| 1351 | |
| 1352 | if (!dataset.transformCode.isEmpty()) [[unlikely]] { |
| 1353 | const auto input = dataset.isNumeric ? QVariant(dataset.numericValue) : QVariant(dataset.value); |
| 1354 | if (dep) |
| 1355 | m_tableStore.setReadCaptureTarget(&dep->readSlots); |
| 1356 | |
| 1357 | const auto result = applyTransform(dataset.transformLanguage, dataset.uniqueId, input, info); |
| 1358 | |
| 1359 | if (dep) { |
| 1360 | m_tableStore.setReadCaptureTarget(nullptr); |
| 1361 | dep->lastRunClock = m_tableStore.writeClock(); |
| 1362 | } |
| 1363 | |
| 1364 | if (result.typeId() == QMetaType::Double) { |
| 1365 | dataset.numericValue = SerialStudio::toDouble(result); |
| 1366 | dataset.value = QString::number(dataset.numericValue, 'g', 15); |
| 1367 | dataset.isNumeric = true; |
| 1368 | } else { |
nothing calls this directly
no test coverage detected