1 /* 2 * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package jdk.vm.ci.hotspot; 24 25 import jdk.vm.ci.meta.*; 26 27 public final class HotSpotSentinelConstant extends Value implements JavaConstant, VMConstant { 28 29 public HotSpotSentinelConstant(JavaKind kind) { 30 super(LIRKind.reference(kind)); 31 } 32 33 public JavaKind getJavaKind() { 34 return (JavaKind) getLIRKind().getPlatformKind(); 35 } 36 37 @Override 38 public boolean isNull() { 39 return true; 40 } 41 42 @Override 43 public boolean isDefaultForKind() { 44 return true; 45 } 46 47 @Override 48 public Object asBoxedPrimitive() { 49 throw new IllegalArgumentException(); 50 } 51 52 @Override 53 public int asInt() { 54 throw new IllegalArgumentException(); 55 } 56 57 @Override 58 public boolean asBoolean() { 59 throw new IllegalArgumentException(); 60 } 61 62 @Override 63 public long asLong() { 64 throw new IllegalArgumentException(); 65 } 66 67 @Override 68 public float asFloat() { 69 throw new IllegalArgumentException(); 70 } 71 72 @Override 73 public double asDouble() { 74 throw new IllegalArgumentException(); 75 } 76 77 @Override 78 public String toString() { 79 return JavaConstant.toString(this); 80 } 81 82 @Override 83 public String toValueString() { 84 return "sentinel"; 85 } 86 87 @Override 88 public int hashCode() { 89 return 13; 90 } 91 92 @Override 93 public boolean equals(Object o) { 94 return o instanceof HotSpotSentinelConstant; 95 } 96 }