+
+void GroupBlock::initInputPattern() {
+ foreach(AbstractInterface* iface, getControlInputs()) {
+ ConnectedInterface* connIface = AI_TO_CON(iface);
+ QList<char>* pattern = new QList<char>(*(connIface->getConnectedFrom()->getOutputPattern()));
+ connIface->setOutputPattern(pattern);
+ }
+}
+
+bool GroupBlock::computeOutputPattern(int nbExec) {
+
+ static QString fctName = "GroupBlock::computeOutputPattern()";
+#ifdef DEBUG_FCTNAME
+ cout << "call to " << qPrintable(fctName) << endl;
+#endif
+
+ cout << "computing output pattern of group " << qPrintable(name) << endl;
+
+ bool canCompute = true;
+ // get the input pattern on each inputs
+ initInputPattern();
+
+ cout << "Input pattern OK" << endl;
+ // find blocks that are connected to that inputs and generators
+ QList<AbstractBlock*> fifo;
+ foreach(AbstractBlock* block, blocks) {
+
+ bool addIt = false;
+ // if a block is a generator and has control outputs, add it
+ if (block->isGeneratorBlock()) {
+ if (block->getControlOutputs().size() > 0) addIt = true;
+ }
+ else {
+ // if the block has a control input connected from an intput of the group, add it too
+ foreach(AbstractInterface* iface, block->getControlInputs()) {
+ //cout << qPrintable(iface->getName()) << " of " << qPrintable(iface->getOwner()->getName()) << " connected to " << endl;
+ ConnectedInterface* connFrom = ((ConnectedInterface*)iface)->getConnectedFrom();
+ //cout << qPrintable(connFrom->getName()) << " of " << qPrintable(connFrom->getOwner()->getName()) << endl;
+
+ if (connFrom->getOwner() == this) {
+ addIt = true;
+ break;
+ }
+ }
+ }
+ if (addIt) {
+ cout << "adding " << qPrintable(block->getName()) << " to initialize the FIFO" << endl;
+ fifo.append(block);
+ }
+ }
+
+ while (!fifo.isEmpty()) {
+ AbstractBlock* block = fifo.takeFirst();
+
+ if (block->getPatternComputed()) continue; // block has laready been processed
+
+ canCompute = block->computeOutputPattern();
+ if (!canCompute) {
+ cout << "cannot finalize output pattern computation of " << qPrintable(block->getName()) << endl;
+ break;
+ }
+ block->setPatternComputed(true);
+ // add other blocks connected from block to the fifo
+ foreach(AbstractInterface* iface, block->getControlOutputs()) {
+ ConnectedInterface* conn = (ConnectedInterface*)iface;
+ foreach(ConnectedInterface* connTo, conn->getConnectedTo()) {
+ /* if connTo is owned by a functional block
+ or by a group block that is within this, add the block to the fifo.
+ */
+ if (connTo->getOwner()->isFunctionalBlock()) {
+ fifo.append(connTo->getOwner());
+ }
+ else if (connTo->getOwner() != this) {
+ fifo.append(connTo->getOwner());
+ }
+ }
+ }
+ }
+
+ if (canCompute) {
+ foreach(AbstractInterface* iface, getControlOutputs()) {
+ ConnectedInterface* connIface = AI_TO_CON(iface);
+ QList<char>* pattern = new QList<char>(*(connIface->getConnectedFrom()->getOutputPattern()));
+ connIface->setOutputPattern(pattern);
+ }
+ setPatternComputed(true);
+ }
+ return canCompute;
+}
