GraphTargetItem.src is readonly (field is private, getter added)

libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/GraphTargetItem.java

@@ -70,7 +70,7 @@ public abstract class GraphTargetItem implements Serializable, Cloneable {
 
     public static final int NOPRECEDENCE = 16;
 
-    public GraphSourceItem src;
+    private GraphSourceItem src;
 
     public int pos = -1;
 
@@ -118,6 +118,18 @@ public abstract class GraphTargetItem implements Serializable, Cloneable {
         this.precedence = precedence;
     }
 
+    public GraphSourceItem getSrc() {
+        return src;
+    }
+
+    protected HighlightData getSrcData() {
+        if (srcData == null) {
+            srcData = new HighlightData();
+        }
+
+        return srcData;
+    }
+
     public List<GraphSourceItemPos> getNeededSources() {
         List<GraphSourceItemPos> ret = new ArrayList<>();
         ret.add(new GraphSourceItemPos(src, pos));
@@ -313,12 +325,4 @@ public abstract class GraphTargetItem implements Serializable, Cloneable {
     public GraphTargetItem invert(GraphSourceItem src) {
         return new NotItem(src, this);
     }
-
-    protected HighlightData getSrcData() {
-        if (srcData == null) {
-            srcData = new HighlightData();
-        }
-
-        return srcData;
-    }
 }