1 files changed, 80 insertions, 0 deletions
diff --git a/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarVersionNode.java b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarVersionNode.java
new file mode 100644
index 000000000000..587c653dc3fb
--- /dev/null
+++ b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarVersionNode.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2000-2014 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.jetbrains.java.decompiler.modules.decompiler.vars;
+
+import org.jetbrains.java.decompiler.modules.decompiler.decompose.IGraphNode;
+import org.jetbrains.java.decompiler.util.SFormsFastMapDirect;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+public class VarVersionNode implements IGraphNode {
+
+  public static final int FLAG_PHANTOM_FINEXIT = 2;
+
+  public int var;
+
+  public int version;
+
+  public Set<VarVersionEdge> succs = new HashSet<VarVersionEdge>();
+
+  public Set<VarVersionEdge> preds = new HashSet<VarVersionEdge>();
+
+  public int flags;
+
+  public SFormsFastMapDirect live = new SFormsFastMapDirect();
+
+
+  public VarVersionNode(int var, int version) {
+    this.var = var;
+    this.version = version;
+  }
+
+  public VarVersionPaar getVarPaar() {
+    return new VarVersionPaar(var, version);
+  }
+
+  public List<IGraphNode> getPredecessors() {
+    List<IGraphNode> lst = new ArrayList<IGraphNode>(preds.size());
+    for (VarVersionEdge edge : preds) {
+      lst.add(edge.source);
+    }
+    return lst;
+  }
+
+  public void removeSuccessor(VarVersionEdge edge) {
+    succs.remove(edge);
+  }
+
+  public void removePredecessor(VarVersionEdge edge) {
+    preds.remove(edge);
+  }
+
+  public void addSuccessor(VarVersionEdge edge) {
+    succs.add(edge);
+  }
+
+  public void addPredecessor(VarVersionEdge edge) {
+    preds.add(edge);
+  }
+
+  @Override
+  public String toString() {
+    return "(" + var + "_" + version + ")";
+  }
+}