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