1 /*
   2  * reserved comment block
   3  * DO NOT REMOVE OR ALTER!
   4  */
   5 /*
   6  * Licensed to the Apache Software Foundation (ASF) under one or more
   7  * contributor license agreements.  See the NOTICE file distributed with
   8  * this work for additional information regarding copyright ownership.
   9  * The ASF licenses this file to You under the Apache License, Version 2.0
  10  * (the "License"); you may not use this file except in compliance with
  11  * the License.  You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  */
  21 
  22 package com.sun.org.apache.bcel.internal.generic;
  23 
  24 import java.io.IOException;
  25 import com.sun.org.apache.bcel.internal.util.ByteSequence;
  26 
  27 /**
  28  * LDC_W - Push item from constant pool (wide index)
  29  *
  30  * <PRE>Stack: ... -&gt; ..., item.word1, item.word2</PRE>
  31  *
  32  * @author  <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
  33  */
  34 public class LDC_W extends LDC {
  35   /**
  36    * Empty constructor needed for the Class.newInstance() statement in
  37    * Instruction.readInstruction(). Not to be used otherwise.
  38    */
  39   LDC_W() {}
  40 
  41   public LDC_W(int index) {
  42     super(index);
  43   }
  44 
  45   /**
  46    * Read needed data (i.e., index) from file.
  47    */
  48   protected void initFromFile(ByteSequence bytes, boolean wide)
  49        throws IOException
  50   {
  51     setIndex(bytes.readUnsignedShort());
  52     // Override just in case it has been changed
  53     opcode = com.sun.org.apache.bcel.internal.Constants.LDC_W;
  54   }
  55 }