private String showComponent(Component comp) {
String ret = comp.toString();
for (Port port : comp.getPorts()) {
String value = port.getValue() == null ? "null" : port.getValue().debug();
if (port == comp.getGoPort() || port == comp.getClockPort() || port == comp.getResetPort()) ;
else ret = ret + " p:" + value;
/*
* if (port == getGoPort()) ret = ret + " go:" + val; else if (port
* == getClockPort()) ret = ret + " ck:" + val; else if (port ==
* getResetPort()) ret = ret + " rs:" + val; else ret = ret + " p:"
* + val;
*/
}
for (Exit exit : comp.getExits()) {
for (Bus bus : exit.getBuses()) {
String value = bus.getValue() == null ? "null" : bus.getValue().debug();
if (bus == exit.getDoneBus())
// ret = ret + " done:" + val;
;
else ret = ret + " data:" + value;
}
}
return ret;
}
public SignExtend(UnaryOp cast) {
Iterator<Port> ports = cast.getDataPorts().iterator();
Port d_port = ports.next();
assert (d_port.isUsed()) : "Operand port in unary operation is set to unused.";
Bus d_bus = d_port.getBus();
assert (d_bus != null) : "Operand port in unary operation not attached to a bus.";
PortWire pwire = new PortWire(d_port);
if (pwire.getExpression() instanceof BaseNumber) {
// input is a constant value, so the resize should be a no-op?
} else {
if (pwire.getExpression() instanceof Wire) {
operand = (Wire) pwire.getExpression();
} else {
operand =
new Wire(ID.toVerilogIdentifier(ID.showLogical(cast)), d_port.getValue().getSize());
add(new Assign.Continuous(operand, new PortWire(d_port)));
produced_nets.add(operand);
}
result_wire = NetFactory.makeNet(cast.getResultBus());
produced_nets.add(result_wire);
int result_width = result_wire.getWidth();
/** unsigned value will be padded with zeros * */
add(
new Assign.Continuous(
result_wire,
new org.xronos.openforge.verilog.pattern.SignExtend(operand, result_width)));
}
}
public UnaryOpAssignment(UnaryOp uo, boolean checkBalance) {
Iterator<Port> ports = uo.getDataPorts().iterator();
Port d_port = ports.next();
assert (d_port.isUsed()) : "Operand port in unary operation is set to unused.";
// Bus d_bus = d_port.getBus();
// assert (d_bus != null) :
// "Operand port in unary operation not attached to a bus.";
assert (d_port.getValue() != null) : "Operand port in unary operation does not have a value.";
operand = new PortWire(d_port);
result_wire = NetFactory.makeNet(uo.getResultBus());
add(new Assign.Continuous(result_wire, makeOpExpression(operand), checkBalance));
}
