1 /*
2  * Copyright (c) 2011, 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.meta;
24 
25 /**
26  * Describes the type and bytecode index range in which a local variable is live.
27  */
28 public class Local {
29 
30     private final String name;
31     private final int startBci;
32     private final int endBci;
33     private final int slot;
34     private final JavaType type;
35 
Local(String name, JavaType type, int startBci, int endBci, int slot)36     public Local(String name, JavaType type, int startBci, int endBci, int slot) {
37         this.name = name;
38         this.startBci = startBci;
39         this.endBci = endBci;
40         this.slot = slot;
41         this.type = type;
42     }
43 
getStartBCI()44     public int getStartBCI() {
45         return startBci;
46     }
47 
getEndBCI()48     public int getEndBCI() {
49         return endBci;
50     }
51 
getName()52     public String getName() {
53         return name;
54     }
55 
getType()56     public JavaType getType() {
57         return type;
58     }
59 
getSlot()60     public int getSlot() {
61         return slot;
62     }
63 
64     @Override
equals(Object obj)65     public boolean equals(Object obj) {
66         if (!(obj instanceof Local)) {
67             return false;
68         }
69         Local that = (Local) obj;
70         return this.name.equals(that.name) && this.startBci == that.startBci && this.endBci == that.endBci && this.slot == that.slot && this.type.equals(that.type);
71     }
72 
73     @Override
hashCode()74     public int hashCode() {
75         return super.hashCode();
76     }
77 
78     @Override
toString()79     public String toString() {
80         return "LocalImpl<name=" + name + ", type=" + type + ", startBci=" + startBci + ", endBci=" + endBci + ", slot=" + slot + ">";
81     }
82 }
83