1 files changed, 133 insertions, 0 deletions
diff --git a/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/decompiler/exps/Exprent.java b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/decompiler/exps/Exprent.java
new file mode 100644
index 000000000000..99712d574ab7
--- /dev/null
+++ b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/decompiler/exps/Exprent.java
@@ -0,0 +1,133 @@
+/*
+ * 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.exps;
+
+import org.jetbrains.java.decompiler.main.DecompilerContext;
+import org.jetbrains.java.decompiler.main.collectors.CounterContainer;
+import org.jetbrains.java.decompiler.modules.decompiler.vars.CheckTypesResult;
+import org.jetbrains.java.decompiler.modules.decompiler.vars.VarVersionPaar;
+import org.jetbrains.java.decompiler.struct.gen.VarType;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+
+public class Exprent {
+
+  public static final int MULTIPLE_USES = 1;
+  public static final int SIDE_EFFECTS_FREE = 2;
+  public static final int BOTH_FLAGS = 3;
+
+
+  public static final int EXPRENT_ARRAY = 1;
+  public static final int EXPRENT_ASSIGNMENT = 2;
+  public static final int EXPRENT_CONST = 3;
+  public static final int EXPRENT_EXIT = 4;
+  public static final int EXPRENT_FIELD = 5;
+  public static final int EXPRENT_FUNCTION = 6;
+  public static final int EXPRENT_IF = 7;
+  public static final int EXPRENT_INVOCATION = 8;
+  public static final int EXPRENT_MONITOR = 9;
+  public static final int EXPRENT_NEW = 10;
+  public static final int EXPRENT_SWITCH = 11;
+  public static final int EXPRENT_VAR = 12;
+  public static final int EXPRENT_ANNOTATION = 13;
+  public static final int EXPRENT_ASSERT = 14;
+
+  public int type;
+
+  public int id;
+
+  {
+    // set exprent id
+    id = DecompilerContext.getCounterContainer().getCounterAndIncrement(CounterContainer.EXPRENT_COUNTER);
+  }
+
+  public int getPrecedence() {
+    return 0; // the highest precedence
+  }
+
+  public VarType getExprType() {
+    return VarType.VARTYPE_VOID;
+  }
+
+  public int getExprentUse() {
+    return 0;
+  }
+
+  public CheckTypesResult checkExprTypeBounds() {
+    return new CheckTypesResult();
+  }
+
+  public boolean containsExprent(Exprent exprent) {
+
+    List<Exprent> listTemp = new ArrayList<Exprent>(getAllExprents(true));
+    listTemp.add(this);
+
+    for (Exprent lstexpr : listTemp) {
+      if (lstexpr.equals(exprent)) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+  public List<Exprent> getAllExprents(boolean recursive) {
+    List<Exprent> lst = getAllExprents();
+
+    if (recursive) {
+      for (int i = lst.size() - 1; i >= 0; i--) {
+        lst.addAll(lst.get(i).getAllExprents(true));
+      }
+    }
+
+    return lst;
+  }
+
+  public Set<VarVersionPaar> getAllVariables() {
+
+    HashSet<VarVersionPaar> set = new HashSet<VarVersionPaar>();
+
+    List<Exprent> lstAllExprents = getAllExprents(true);
+    lstAllExprents.add(this);
+
+    for (Exprent expr : lstAllExprents) {
+      if (expr.type == EXPRENT_VAR) {
+        set.add(new VarVersionPaar((VarExprent)expr));
+      }
+    }
+
+    return set;
+  }
+
+  public List<Exprent> getAllExprents() {
+    throw new RuntimeException("not implemented");
+  }
+
+  public Exprent copy() {
+    throw new RuntimeException("not implemented");
+  }
+
+  public String toJava(int indent) {
+    throw new RuntimeException("not implemented");
+  }
+
+  public void replaceExprent(Exprent oldexpr, Exprent newexpr) {
+  }
+}