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 35 protected Type(String typeName) { 36 this.typeName = typeName; 37 } 38 39 @Override 40 public boolean equals(Object t) { 41 if (this == t) { 42 return true; 43 } 44 if (t == null || !(t instanceof Type)) { 45 return false; 46 } 47 return typeName.equals(((Type) t).typeName); 48 } 49 50 @Override 51 public int compareTo(Type t) { 52 return typeName.compareTo(t.typeName); 53 } 54 55 @Override 56 public int hashCode() { 57 return typeName.hashCode(); 58 } 59 60 public abstract boolean canImplicitlyCastTo(Type t); 61 62 public abstract boolean canExplicitlyCastTo(Type t); 63 64 public abstract boolean canCompareTo(Type t); 65 66 public abstract boolean canEquateTo(Type t); 67 68 protected void exportSymbols() { 69 } 70 71 @Override 72 public<T> T accept(Visitor<T> v) { 73 return v.visit(this); 74 } 75 76 @Override 77 public String getName() { 78 return typeName; 79 } 80 }