Swap fixes

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

@@ -407,6 +407,42 @@ public class TranslateStack extends Stack<GraphTargetItem> {
     }
     
     public void allowSwap(List<GraphTargetItem> output) {
+        /*
+        if (!isEmpty()) {
+            return;
+        }
+        if (output.isEmpty()) {
+            return;
+        }
+        if (size() != 2) {
+            return;
+        }
+        
+        if (!(output.get(output.size() - 1) instanceof SetTemporaryItem)) {
+            return;
+        }
+                
+        if (!(peek() instanceof TemporaryItem)) {
+            return;
+        }
+        
+        TemporaryItem ti = (TemporaryItem) peek();
+        
+        SetTemporaryItem st = (SetTemporaryItem) output.get(output.size() - 1);
+        
+        if (!"swap".equals(st.getSuffix())) {
+            return;
+        }
+        
+        if (st.getTempIndex() != ti.getTempIndex()) {
+            return;
+        }
+        
+        output.remove(output.size() - 1);
+        pop();
+        push(ti.value);
+        
+        */
         if (!isEmpty()) {
             return;
         }
@@ -420,7 +456,7 @@ public class TranslateStack extends Stack<GraphTargetItem> {
         if (!(output.get(output.size() - 2) instanceof PushItem)) {
             return;
         }
-        
+
         if (!(output.get(output.size() - 3) instanceof SetTemporaryItem)) {
             return;
         }

libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/model/DuplicateItem.java

@@ -22,6 +22,7 @@ import com.jpexs.decompiler.graph.CompilationException;
 import com.jpexs.decompiler.graph.GraphSourceItem;
 import com.jpexs.decompiler.graph.GraphTargetDialect;
 import com.jpexs.decompiler.graph.GraphTargetItem;
+import com.jpexs.decompiler.graph.GraphTargetVisitorInterface;
 import com.jpexs.decompiler.graph.SimpleValue;
 import com.jpexs.decompiler.graph.SourceGenerator;
 import java.util.List;
@@ -145,4 +146,8 @@ public class DuplicateItem extends GraphTargetItem implements SimpleValue, HasTe
     public int getTempIndex() {
         return tempIndex;
     }
+
+    @Override
+    public void visit(GraphTargetVisitorInterface visitor) {
+    }        
 }

libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/model/TemporaryItem.java

@@ -23,6 +23,7 @@ import com.jpexs.decompiler.graph.CompilationException;
 import com.jpexs.decompiler.graph.GraphSourceItem;
 import com.jpexs.decompiler.graph.GraphTargetDialect;
 import com.jpexs.decompiler.graph.GraphTargetItem;
+import com.jpexs.decompiler.graph.GraphTargetVisitorInterface;
 import com.jpexs.decompiler.graph.SimpleValue;
 import com.jpexs.decompiler.graph.SourceGenerator;
 import java.util.ArrayList;
@@ -136,4 +137,7 @@ public class TemporaryItem extends GraphTargetItem implements SimpleValue, HasTe
         return tempIndex;
     }
 
+    @Override
+    public void visit(GraphTargetVisitorInterface visitor) {
+    }   
 }