java/java-impl/src/com/intellij/psi/controlFlow/InstructionBase.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 /**
  18  * @author cdr
  19  */
  20 package com.intellij.psi.controlFlow;
  21
  22 import org.jetbrains.annotations.NonNls;
  23
  24 public abstract class InstructionBase implements Instruction, Cloneable{
  25   public Instruction clone() {
  26     try {
  27       return (Instruction)super.clone();
  28     }
  29     catch (CloneNotSupportedException e) {
  30       return null;
  31     }
  32   }
  33
  34   @NonNls
  35   public abstract String toString();
  36
  37 }