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 
  26 import com.sun.org.apache.bcel.internal.util.ByteSequence;
  27 
  28 /**
  29  * LDC_W - Push item from constant pool (wide index)
  30  *
  31  * <PRE>Stack: ... -&gt; ..., item.word1, item.word2</PRE>
  32  *
  33  * @version $Id: LDC_W.java 1747278 2016-06-07 17:28:43Z britter $
  34  */
  35 public class LDC_W extends LDC {
  36 
  37     /**
  38      * Empty constructor needed for the Class.newInstance() statement in
  39      * Instruction.readInstruction(). Not to be used otherwise.
  40      */
  41     LDC_W() {
  42     }
  43 
  44 
  45     public LDC_W(final int index) {
  46         super(index);
  47     }
  48 
  49 
  50     /**
  51      * Read needed data (i.e., index) from file.
  52      */
  53     @Override
  54     protected void initFromFile( final ByteSequence bytes, final boolean wide ) throws IOException {
  55         setIndex(bytes.readUnsignedShort());
  56         // Override just in case it has been changed
  57         super.setOpcode(com.sun.org.apache.bcel.internal.Const.LDC_W);
  58         super.setLength(3);
  59     }
  60 }