@Override
public Boolean caseProcedure(Procedure procedure) {
this.procedure = procedure;
// Test if The procedure contains a BlockWhile before size - 1
int blockSize = procedure.getBlocks().size();
if (blockSize > 1) {
Block block = procedure.getBlocks().get(blockSize - 2);
if (block.isBlockWhile()) {
// If it is check if an additional loop should be added
doSwitch(block);
} else {
return true;
}
}
return false;
}
protected void createBroadcast(String id, Port port, List<? extends Edge> outList) {
// Add broadcast vertex
Actor bcast = dfFactory.createActor();
bcast.setName(id + "_" + port.getName());
Instance instance = dfFactory.createInstance(id + "_" + port.getName() + "_bcast", bcast);
network.add(instance);
Type portVarType = irFactory.createTypeList(1, port.getType());
Pattern inputPattern = dfFactory.createPattern();
Pattern outputPattern = dfFactory.createPattern();
Port input = dfFactory.createPort(EcoreUtil.copy(port.getType()), "input");
bcast.getInputs().add(input);
// Creates a connection between the vertex and the broadcast
Connection conn = (Connection) outList.get(0);
Connection incoming =
dfFactory.createConnection(
conn.getSource(),
conn.getSourcePort(),
instance,
input,
EcoreUtil.copyAll(conn.getAttributes()));
incoming.getAttributes().addAll(EcoreUtil.copyAll(conn.getAttributes()));
network.getConnections().add(incoming);
inputPattern.setNumTokens(input, 1);
inputPattern.setVariable(input, irFactory.createVar(portVarType, "input", true, 0));
// Change the source of the other connections
int i = 0;
for (Edge edge : outList) {
Port output = dfFactory.createPort(EcoreUtil.copy(port.getType()), "output_" + i);
bcast.getOutputs().add(output);
Connection connection = (Connection) edge;
connection.setSourcePort(output);
connection.setSource(instance);
outputPattern.setNumTokens(output, 1);
outputPattern.setVariable(output, irFactory.createVar(portVarType, "output_" + i, true, 0));
i++;
}
// Create body of the broadcast
Procedure body = irFactory.createProcedure("copy", 0, irFactory.createTypeVoid());
Var tmpVar = body.newTempLocalVariable(IrUtil.copy(port.getType()), "tmp");
BlockBasic block = IrUtil.getLast(body.getBlocks());
block.add(irFactory.createInstLoad(tmpVar, inputPattern.getVariable(input), 0));
for (Port output : bcast.getOutputs()) {
block.add(irFactory.createInstStore(outputPattern.getVariable(output), 0, tmpVar));
}
// Create the scheduler
Procedure scheduler =
irFactory.createProcedure("isSchedulable_copy", 0, irFactory.createTypeBool());
BlockBasic block2 = IrUtil.getLast(scheduler.getBlocks());
block2.add(irFactory.createInstReturn(irFactory.createExprBool(true)));
Action copy =
dfFactory.createAction(
"copy", inputPattern, outputPattern, dfFactory.createPattern(), scheduler, body);
bcast.getActions().add(copy);
bcast.getActionsOutsideFsm().add(copy);
}