Add option to show states in dot file exported for explicit models (plus some commenting).

git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@8390 bbc10eb1-c90d-0410-af57-cb519fbb1720

prism/src/explicit/Model.java

@@ -195,24 +195,38 @@ public interface Model
 	
 	/**
 	 * Export to a dot file.
+	 * @param filename Name of file to export to
 	 */
 	public void exportToDotFile(String filename) throws PrismException;
 
 	/**
 	 * Export to a dot file, highlighting states in 'mark'.
+	 * @param filename Name of file to export to
+	 * @param mark States to highlight (ignored if null)
 	 */
 	public void exportToDotFile(String filename, BitSet mark) throws PrismException;
 
 	/**
 	 * Export to a dot file.
+	 * @param out PrismLog to export to
 	 */
 	public void exportToDotFile(PrismLog out);
 
 	/**
 	 * Export to a dot file, highlighting states in 'mark'.
+	 * @param out PrismLog to export to
+	 * @param mark States to highlight (ignored if null)
 	 */
 	public void exportToDotFile(PrismLog out, BitSet mark);
 
+	/**
+	 * Export to a dot file, highlighting states in 'mark'.
+	 * @param out PrismLog to export to
+	 * @param mark States to highlight (ignored if null)
+	 * @param showStates Show state info on nodes?
+	 */
+	public void exportToDotFile(PrismLog out, BitSet mark, boolean showStates);
+
 	/**
 	 * Export to a equivalent PRISM language model description.
 	 */

prism/src/explicit/ModelExplicit.java

@@ -315,11 +315,17 @@ public abstract class ModelExplicit implements Model
 	@Override
 	public void exportToDotFile(PrismLog out)
 	{
-		exportToDotFile(out, null);
+		exportToDotFile(out, null, false);
 	}
 
 	@Override
 	public void exportToDotFile(PrismLog out, BitSet mark)
+	{
+		exportToDotFile(out, mark, false);
+	}
+
+	@Override
+	public void exportToDotFile(PrismLog out, BitSet mark, boolean showStates)
 	{
 		int i;
 		// Header
@@ -331,6 +337,15 @@ public abstract class ModelExplicit implements Model
 			// Transitions for state i
 			exportTransitionsToDotFile(i, out);
 		}
+		// Append state info (if required)
+		if (showStates) {
+			List<State> states = getStatesList();
+			if (states != null) {
+				for (i = 0; i < numStates; i++) {
+					out.print(i + " [label=\"" + i + "\\n" + states.get(i) + "\"]\n");
+				}
+			}
+		}
 		// Footer
 		out.print("}\n");
 	}

prism/src/explicit/SubNondetModel.java

@@ -291,6 +291,12 @@ public class SubNondetModel implements NondetModel
 		throw new UnsupportedOperationException();
 	}
 
+	@Override
+	public void exportToDotFile(PrismLog out, BitSet mark, boolean showStates)
+	{
+		throw new UnsupportedOperationException();
+	}
+
 	@Override
 	public void exportToDotFileWithStrat(PrismLog out, BitSet mark, int strat[])
 	{