const string
V3NtkHandler::getNetExpression(const V3NetId& id) const {
V3NetId netId; string name = "";
// Search for the name of id in Original Network
getNetName(netId = id, name); if (name.size()) return (netId.cp ? V3AuxNameInvPrefix : "") + name;
// Search for the name of ~id in Original Network
getNetName(netId = ~id, name); if (name.size()) return (netId.cp ? "" : V3AuxNameInvPrefix) + name;
// Return the Expression in terms of Gate Operations
return getNetRecurExpression(id);
}
void
V3NtkHandler::printNet(const V3NetId& id) const {
assert (_ntk); assert (_ntk->getNetSize() > id.id);
Msg(MSG_IFO) << "Net : Id = " << (id.cp ? "~" : "") << id.id << ", "
<< "Width = " << _ntk->getNetWidth(id) << ", "
<< "Type = " << V3GateTypeStr[_ntk->getGateType(id)] << endl;
const V3GateType type = _ntk->getGateType(id); assert (V3_XD > type);
V3NetId netId; string name = ""; Msg(MSG_IFO) << "Expr : ";
if (!name.size()) {
getNetName(netId = id, name);
if (name.size()) Msg(MSG_IFO) << (netId.cp ? V3AuxNameInvPrefix : "") + name;
}
if (!name.size()) {
getNetName(netId = ~id, name);
if (name.size()) Msg(MSG_IFO) << (netId.cp ? "" : V3AuxNameInvPrefix) + name;
}
if (V3_FF <= type) {
if (name.size()) Msg(MSG_IFO) << " = ";
Msg(MSG_IFO) << getNetRecurExpression(V3_FF == type ? _ntk->getInputNetId(id, 0) : id);
}
Msg(MSG_IFO) << endl;
}
const string
V3NtkHandler::getNetNameOrFormedWithId(const V3NetId& id) const {
const string name = getNetName(id); if (name.size()) return name;
return (id.cp ? V3AuxNameInvPrefix : "") + V3AuxNetNamePrefix + v3Int2Str(id.id);
}
const string
V3NtkHandler::getNetName(const V3NetId& id) const {
V3NetId netId = id; string name = ""; getNetName(netId, name);
return name.size() ? ((netId.cp ? V3AuxNameInvPrefix : "") + name) : "";
}
const string
V3NtkHandler::getNetExpression(const V3NetId& id) const {
V3NetId netId; string name = "";
// Search for the name of id in Original Network
getNetName(netId = id, name); if (name.size()) return (netId.cp ? V3AuxNameInvPrefix : "") + name;
// Search for the name of ~id in Original Network
getNetName(netId = ~id, name); if (name.size()) return (netId.cp ? "" : V3AuxNameInvPrefix) + name;
// Return the Expression in terms of Gate Operations
assert (_ntk); assert (id.id < _ntk->getNetSize());
const V3GateType& type = _ntk->getGateType(id); assert (V3_XD > type);
if (V3_FF >= type) return (id.cp ? V3AuxNameInvPrefix : "") + V3AuxNetNamePrefix + v3Int2Str(id.id);
else if (V3_MODULE == type) {
Msg(MSG_WAR) << "Currently Expression Over Module Instances has NOT Been Implemented !!" << endl;
}
else {
if (dynamic_cast<V3BvNtk*>(_ntk)) {
assert (AIG_FALSE < type);
if (isV3PairType(type)) {
const string name1 = getNetExpression(_ntk->getInputNetId(id, 0)); assert (name1.size());
const string name2 = getNetExpression(_ntk->getInputNetId(id, 1)); assert (name2.size());
if (BV_MERGE == type) name = "{" + name1 + ", " + name2 + "}";
else {
switch (type) {
case BV_AND : name = "(" + name1 + " & " + name2 + ")"; break;
case BV_XOR : name = "(" + name1 + " ^ " + name2 + ")"; break;
case BV_ADD : name = "(" + name1 + " + " + name2 + ")"; break;
case BV_SUB : name = "(" + name1 + " - " + name2 + ")"; break;
case BV_MULT : name = "(" + name1 + " * " + name2 + ")"; break;
case BV_SHL : name = "(" + name1 + " << " + name2 + ")"; break;
case BV_SHR : name = "(" + name1 + " >> " + name2 + ")"; break;
case BV_DIV : name = "(" + name1 + " / " + name2 + ")"; break;
case BV_MODULO : name = "(" + name1 + " % " + name2 + ")"; break;
case BV_EQUALITY : return "(" + name1 + (id.cp ? " != " : " == ") + name2 + ")";
case BV_GEQ : return "(" + name1 + (id.cp ? " < " : " >= ") + name2 + ")";
default : assert (0);
}
}
}
else if (isV3ReducedType(type)) {
const string name1 = getNetExpression(_ntk->getInputNetId(id, 0)); assert (name1.size());
switch (type) {
case BV_RED_AND : name = "(&" + name1 + ")"; break;
case BV_RED_OR : name = "(|" + name1 + ")"; break;
case BV_RED_XOR : name = "(^" + name1 + ")"; break;
default : assert (0);
}
}
else if (BV_MUX == type) {
const string fName = getNetExpression(_ntk->getInputNetId(id, 0)); assert (fName.size());
const string tName = getNetExpression(_ntk->getInputNetId(id, 1)); assert (tName.size());
const string sName = getNetExpression(_ntk->getInputNetId(id, 2)); assert (sName.size());
name = "(" + sName + " ? " + tName + " : " + fName + ")";
}
else if (BV_SLICE == type) {
const string name1 = getNetExpression(_ntk->getInputNetId(id, 0)); assert (name1.size());
const uint32_t msb = dynamic_cast<V3BvNtk*>(_ntk)->getInputSliceBit(id, true);
const uint32_t lsb = dynamic_cast<V3BvNtk*>(_ntk)->getInputSliceBit(id, false);
const uint32_t width = _ntk->getNetWidth(_ntk->getInputNetId(id, 0)); assert (width);
name = ((msb >= lsb) && (width == (1 + msb - lsb))) ? name1 :
(msb == lsb) ? (name1 + "[" + v3Int2Str(msb) + "]") :
(name1 + "[" + v3Int2Str(msb) + " : " + v3Int2Str(lsb) + "]");
}
else {
assert (BV_CONST == type);
const V3BitVecX* const value = dynamic_cast<V3BvNtk*>(_ntk)->getInputConstValue(id); assert (value);
return v3Int2Str(value->size()) + "'b" + (id.cp ? (~(*value)).regEx() : value->regEx());
}
}
else {
assert (AIG_FALSE >= type);
if (AIG_NODE == type) {
const string name1 = getNetExpression(_ntk->getInputNetId(id, 0)); assert (name1.size());
const string name2 = getNetExpression(_ntk->getInputNetId(id, 1)); assert (name2.size());
name = name1 + " && " + name2;
}
else {
assert (AIG_FALSE == type);
return (id.cp ? "AIGER_TRUE" : "AIGER_FALSE");
}
}
}
return (id.cp ? V3AuxNameInvPrefix : "") + name;
}
