Fix NullPointerException when creating an empty PDGLog (9e2f8822) · Commits · Program Slicing / SDG

src/main/java/tfm/exec/PDGLog.java

+10 −3

Original line number	Diff line number	Diff line
		@@ -11,7 +11,8 @@ import java.util.Comparator;
		import java.util.stream.Collectors;

		public class PDGLog extends GraphLog<PDGGraph> {
		private final CFGLog cfgLog;

		private CFGLog cfgLog;

		public PDGLog() {
		this(null);
		@@ -19,7 +20,8 @@ public class PDGLog extends GraphLog<PDGGraph> {

		public PDGLog(PDGGraph pdgGraph) {
		super(pdgGraph);
		if (graph.getCfgGraph() != null)

		if (graph != null && graph.getCfgGraph() != null)
		cfgLog = new CFGLog(graph.getCfgGraph());
		else cfgLog = null;
		}
		@@ -29,6 +31,10 @@ public class PDGLog extends GraphLog<PDGGraph> {
		this.graph = new PDGGraph();

		node.accept(new PDGBuilder(graph), this.graph.getRootNode());

		if (cfgLog == null) {
		cfgLog = new CFGLog(graph.getCfgGraph());
		}
		}

		@Override
		@@ -57,8 +63,9 @@ public class PDGLog extends GraphLog<PDGGraph> {

		@Override
		public void openVisualRepresentation() throws IOException {
		super.openVisualRepresentation();

		if (cfgLog != null)
		cfgLog.openVisualRepresentation();
		super.openVisualRepresentation();
		}
		}