/**
* Method to call a series of routines which convert the hierarchical network description into a
* flattened database representation. The actual simulation must take place on the flattened
* network. Returns true on error.
*/
boolean flattenNetwork(Cell cell) {
/*
* create a "dummy" level to use as a mixed signal destination for plotting and
* screen display. This level should be bypassed for structure checking and general
* simulation, however, so in the following code, references to "als.cellRoot"
* have been changed to als.cellRoot.next (pointing to mainCell).
* Peter Gallant July 16, 1990
*/
als.cellRoot = new ALS.Connect();
als.cellRoot.instName = "[MIXED_SIGNAL_LEVEL]";
als.cellRoot.modelName = als.cellRoot.instName;
als.cellRoot.exList = new ArrayList<ALS.ALSExport>();
als.cellRoot.parent = null;
als.cellRoot.child = null;
als.cellRoot.next = null;
ALS.Connect tempRoot = als.cellRoot;
// get upper-case version of main proto
String mainName = cell.getName().toUpperCase();
als.cellRoot = new ALS.Connect();
als.cellRoot.instName = mainName;
als.cellRoot.modelName = als.cellRoot.instName;
als.cellRoot.exList = new ArrayList<ALS.ALSExport>();
als.cellRoot.parent = null;
als.cellRoot.child = null;
als.cellRoot.next = null;
// these lines link the mixed level as the head followed by mainCell PJG
tempRoot.next = als.cellRoot; // shouldn't this be null? ... smr
tempRoot.child = als.cellRoot;
als.cellRoot = tempRoot;
// this code checks to see if model mainCell is present in the netlist PJG
ALS.Model modHead = findModel(mainName);
if (modHead == null) return true;
for (ALS.ALSExport exHead : modHead.exList) {
findXRefEntry(als.cellRoot.next, (String) exHead.nodeName);
}
if (flattenModel(als.cellRoot.next)) return true;
for (ALS.Node nodeHead : als.nodeList) {
if (nodeHead.load < 1) nodeHead.load = 1;
}
return false;
}
/** Method to parse the arc cell in "np" and return an ArcInfo object that describes it. */
static ArcInfo parseCell(Cell np) {
// create and initialize the GRAPHICS structure
ArcInfo aIn = new ArcInfo();
aIn.name = np.getName().substring(4);
// look at all nodes in the arc description cell
for (Iterator<NodeInst> it = np.getNodes(); it.hasNext(); ) {
NodeInst ni = it.next();
Variable var = ni.getVar(OPTION_KEY);
if (var == null) continue;
String str = getValueOnNode(ni);
switch (((Integer) var.getObject()).intValue()) {
case ARCFUNCTION:
aIn.func = ArcProto.Function.UNKNOWN;
List<ArcProto.Function> allFuncs = ArcProto.Function.getFunctions();
for (ArcProto.Function fun : allFuncs) {
if (fun.toString().equalsIgnoreCase(str)) {
aIn.func = fun;
break;
}
}
break;
case ARCINC:
aIn.angInc = TextUtils.atoi(str);
break;
case ARCFIXANG:
aIn.fixAng = str.equalsIgnoreCase("yes");
break;
case ARCWIPESPINS:
aIn.wipes = str.equalsIgnoreCase("yes");
break;
case ARCNOEXTEND:
aIn.noExtend = str.equalsIgnoreCase("no");
break;
case ARCANTENNARATIO:
aIn.antennaRatio = TextUtils.atof(str);
break;
case ARCWIDTHOFFSET:
aIn.widthOffset = TextUtils.atof(str);
break;
}
}
return aIn;
}