1 /* 2 * Copyright (c) 2005, 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 24 package jdk.test.lib.jittester; 25 26 import jdk.test.lib.jittester.visitors.Visitor; 27 28 /** 29 * Type system's core.. 30 */ 31 public abstract class Type extends IRNode implements Comparable<Type> { 32 33 private final String typeName; 34 Type(String typeName)35 protected Type(String typeName) { 36 super(null); 37 this.typeName = typeName; 38 } 39 40 @Override getResultType()41 public Type getResultType() { 42 return this; 43 } 44 45 @Override equals(Object t)46 public boolean equals(Object t) { 47 if (this == t) { 48 return true; 49 } 50 if (t == null || !(t instanceof Type)) { 51 return false; 52 } 53 return typeName.equals(((Type) t).typeName); 54 } 55 56 @Override compareTo(Type t)57 public int compareTo(Type t) { 58 return typeName.compareTo(t.typeName); 59 } 60 61 @Override hashCode()62 public int hashCode() { 63 return typeName.hashCode(); 64 } 65 canImplicitlyCastTo(Type t)66 public abstract boolean canImplicitlyCastTo(Type t); 67 canExplicitlyCastTo(Type t)68 public abstract boolean canExplicitlyCastTo(Type t); 69 canCompareTo(Type t)70 public abstract boolean canCompareTo(Type t); 71 canEquateTo(Type t)72 public abstract boolean canEquateTo(Type t); 73 exportSymbols()74 protected void exportSymbols() { 75 } 76 77 @Override accept(Visitor<T> v)78 public<T> T accept(Visitor<T> v) { 79 return v.visit(this); 80 } 81 82 @Override getName()83 public String getName() { 84 return typeName; 85 } 86 } 87