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