001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 * 017 */ 018package org.apache.bcel.verifier.statics; 019 020import org.apache.bcel.Const; 021import org.apache.bcel.generic.Type; 022 023/** 024 * This class represents the upper half of a DOUBLE variable. 025 */ 026public final class DOUBLE_Upper extends Type { 027 028 /** The one and only instance of this class. */ 029 private static final DOUBLE_Upper singleton = new DOUBLE_Upper(); 030 031 /** 032 * Gets the single instance of this class. 033 * 034 * @return the single instance of this class. 035 */ 036 public static DOUBLE_Upper theInstance() { 037 return singleton; 038 } 039 040 /** The constructor; this class must not be instantiated from the outside. */ 041 private DOUBLE_Upper() { 042 super(Const.T_UNKNOWN, "Double_Upper"); 043 } 044}