[EDIFPort] Refactor getBitBlastedIndices()

src/com/xilinx/rapidwright/debug/DotEdifDumper.java

@@ -63,7 +63,7 @@ protected Stream<EDIFPortInst> getPorts(EDIFCellInst edifCellInst) {
     protected Stream<Pair<EDIFPort,Integer>> getPortTemplates(EDIFCellInst edifCellInst) {
         return edifCellInst.getCellType().getPorts().stream().flatMap(p-> {
             if (p.isBus()) {
-                return Arrays.stream(p.getBitBlastedIndicies()).mapToObj(i -> new Pair<>(p, i));
+                return Arrays.stream(p.getBitBlastedIndices()).mapToObj(i -> new Pair<>(p, i));
             }
             return Stream.of(new Pair<>(p, 0));
         });

src/com/xilinx/rapidwright/design/tools/InlineFlopTools.java

@@ -98,7 +98,7 @@ public static void createAndPlaceFlopsInlineOnTopPorts(Design design, String clk
                 continue;
             }
             if (port.isBus()) {
-                for (int i : port.getBitBlastedIndicies()) {
+                for (int i : port.getBitBlastedIndices()) {
                     EDIFPortInst inst = port.getInternalPortInstFromIndex(i);
                     Pair<Site, BEL> loc = nextAvailPlacement(design, siteItr);
                     Cell flop = createAndPlaceFlopInlineOnTopPortInst(design, inst, loc, clk);

src/com/xilinx/rapidwright/edif/EDIFCell.java

@@ -346,9 +346,8 @@ public void renamePort(String currName, String newName) {
 
         EDIFPort newPort = new EDIFPort(newName, port.getDirection(), port.getWidth());
         addPort(newPort);
-        int[] indices = port.isBus() ? port.getBitBlastedIndicies() : new int[]{0};
 
-        for (int i : indices) {
+        for (int i : port.getBitBlastedIndices()) {
             EDIFPortInst portInst = port.getInternalPortInstFromIndex(i);
             if (portInst == null) {
                 continue;

src/com/xilinx/rapidwright/edif/EDIFPort.java

@@ -356,13 +356,33 @@ public boolean isBus() {
         return width > 1 || !getName().equals(busName);
     }
 
+    private static final int[] SINGLE_BIT_INDICES = new int[] { 0 };
+
+    /**
+     * @see #getBitBlastedIndicies()
+     * @deprecated Misspelling in name, to be removed in 2026.1.0
+     */
     public int[] getBitBlastedIndicies() {
-        int lastLeftBracket = getName().lastIndexOf('[');
-        if (getName().contains(":"))
-            return EDIFTools.bitBlastBus(getName().substring(lastLeftBracket));
-        if (getName().contains("["))
-            return new int[] {Integer.parseInt(getName().substring(lastLeftBracket,getName().length()-1))};
-        return null;
+        return getBitBlastedIndices();
+    }
+
+    /**
+     * Returns an array of all the integer indices of this port. If the port is a
+     * single bit it returns an array with a single entry of '0'. This is useful
+     * when needing to iterate over a port's PortInst objects.
+     * 
+     * @return The integer list of indices of this port, or {0} for a single bit
+     *         port.
+     */
+    public int[] getBitBlastedIndices() {
+        if (isBus()) {
+            int lastLeftBracket = getName().lastIndexOf('[');
+            assert(lastLeftBracket != -1);
+            return getName().contains(":") ? 
+                EDIFTools.bitBlastBus(getName().substring(lastLeftBracket)) : 
+                new int[] { Integer.parseInt(getName().substring(lastLeftBracket, getName().length() - 1)) };
+        }
+        return SINGLE_BIT_INDICES;
     }
 
     public boolean isBusRangeEqual(EDIFPort otherPort) {

src/com/xilinx/rapidwright/edif/EDIFTools.java

@@ -1736,7 +1736,7 @@ public static EDIFNetlist createFlatNetlist(EDIFNetlist netlist, String partName
         for (EDIFPort topPort : netlist.getTopCell().getPorts()) {
             EDIFPort flatPort = flatTop.createPort(topPort);
             if (flatPort.isBus()) {
-                int[] indicies = flatPort.getBitBlastedIndicies();
+                int[] indicies = flatPort.getBitBlastedIndices();
                 int i = 0;
                 for (EDIFNet net : topPort.getInternalNets()) {
                     if (net == null) continue;

test/src/com/xilinx/rapidwright/design/TestPartitionPin.java

@@ -81,17 +81,10 @@ public void testPartitionPins() {
         int wireIdx = 10;
         int count = 0;
         for (EDIFPort port : design.getTopEDIFCell().getPorts()) {
-            if (port.isBus()) {
-                for (int i : port.getBitBlastedIndicies()) {
-                    Node node = Node.getNode(t, wireIdx++);
-                    PartitionPin ppin = design.createPartitionPin(port, i, node);
-                    testPortPartitionPin(design, ppin, port, i, node);
-                    count++;
-                }
-            } else {
+            for (int i : port.getBitBlastedIndices()) {
                 Node node = Node.getNode(t, wireIdx++);
-                PartitionPin ppin = design.createPartitionPin(port, node);
-                testPortPartitionPin(design, ppin, port, -1, node);
+                PartitionPin ppin = design.createPartitionPin(port, i, node);
+                testPortPartitionPin(design, ppin, port, i, node);
                 count++;
             }
         }

test/src/com/xilinx/rapidwright/edif/TestEDIFCell.java

@@ -149,7 +149,7 @@ public void testRenamePort() {
         EDIFPort myNewSignal = topCell.getPort("my_new_signal[");
         Assertions.assertNotNull(myNewSignal);
 
-        for (int i : myNewSignal.getBitBlastedIndicies()) {
+        for (int i : myNewSignal.getBitBlastedIndices()) {
             EDIFPortInst portInst = myNewSignal.getInternalPortInstFromIndex(i);
             Assertions.assertNotNull(portInst);
         }
@@ -164,7 +164,7 @@ public void testRenamePort() {
         EDIFPort newTestZero = topCell.getPort("new_test_zero[");
         Assertions.assertNotNull(newTestZero);
 
-        for (int i : newTestZero.getBitBlastedIndicies()) {
+        for (int i : newTestZero.getBitBlastedIndices()) {
             EDIFPortInst portInst = newTestZero.getInternalPortInstFromIndex(i);
             Assertions.assertNotNull(portInst);
         }
@@ -179,7 +179,7 @@ public void testRenamePort() {
         EDIFPort newTestFive = topCell.getPort("new_test_five[");
         Assertions.assertNotNull(newTestFive);
 
-        for (int i : newTestFive.getBitBlastedIndicies()) {
+        for (int i : newTestFive.getBitBlastedIndices()) {
             EDIFPortInst portInst = newTestFive.getInternalPortInstFromIndex(i);
             Assertions.assertNotNull(portInst);
         }

test/src/com/xilinx/rapidwright/edif/TestEDIFPort.java

@@ -96,7 +96,7 @@ public void testCreatePort() {
             EDIFPort copy = cell.getPort("bus_output[" + outer + "][");
             Assertions.assertEquals(busOutput, copy);
 
-            int[] portIndices = busOutput.getBitBlastedIndicies();
+            int[] portIndices = busOutput.getBitBlastedIndices();
             Assertions.assertEquals(width, portIndices.length);
             Assertions.assertEquals(left, portIndices[0]);
             Assertions.assertEquals(right, portIndices[portIndices.length - 1]);