1 /***
2  * ASM: a very small and fast Java bytecode manipulation framework
3  * Copyright (c) 2000-2005 INRIA, France Telecom
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. Neither the name of the copyright holders nor the names of its
15  *    contributors may be used to endorse or promote products derived from
16  *    this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28  * THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 package org.objectweb.asm.tree;
31 
32 import org.objectweb.asm.MethodVisitor;
33 import org.objectweb.asm.Label;
34 
35 /**
36  * A node that represents a local variable declaration.
37  *
38  * @author Eric Bruneton
39  */
40 public class LocalVariableNode {
41 
42     /**
43      * The name of a local variable.
44      */
45     public String name;
46 
47     /**
48      * The type descriptor of this local variable.
49      */
50     public String desc;
51 
52     /**
53      * The signature of this local variable. May be <tt>null</tt>.
54      */
55     public String signature;
56 
57     /**
58      * The first instruction corresponding to the scope of this local variable
59      * (inclusive).
60      */
61     public Label start;
62 
63     /**
64      * The last instruction corresponding to the scope of this local variable
65      * (exclusive).
66      */
67     public Label end;
68 
69     /**
70      * The local variable's index.
71      */
72     public int index;
73 
74     /**
75      * Constructs a new {@link LocalVariableNode}.
76      *
77      * @param name the name of a local variable.
78      * @param desc the type descriptor of this local variable.
79      * @param signature the signature of this local variable. May be
80      *        <tt>null</tt>.
81      * @param start the first instruction corresponding to the scope of this
82      *        local variable (inclusive).
83      * @param end the last instruction corresponding to the scope of this local
84      *        variable (exclusive).
85      * @param index the local variable's index.
86      */
LocalVariableNode( final String name, final String desc, final String signature, final Label start, final Label end, final int index)87     public LocalVariableNode(
88         final String name,
89         final String desc,
90         final String signature,
91         final Label start,
92         final Label end,
93         final int index)
94     {
95         this.name = name;
96         this.desc = desc;
97         this.signature = signature;
98         this.start = start;
99         this.end = end;
100         this.index = index;
101     }
102 
103     /**
104      * Makes the given visitor visit this local variable declaration.
105      *
106      * @param mv a method visitor.
107      */
accept(final MethodVisitor mv)108     public void accept(final MethodVisitor mv) {
109         mv.visitLocalVariable(name, desc, signature, start, end, index);
110     }
111 }
112