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Java > Open Source Codes > org > objectweb > asm > tree > LineNumberNode


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.Label;
33 import org.objectweb.asm.MethodVisitor;
34
35 /**
36  * A node that represents a line number declaration.
37  *
38  * @author Eric Bruneton
39  */
40 public class LineNumberNode {
41
42     /**
43      * A line number. This number refers to the source file from which the class
44      * was compiled.
45      */
46     public int line;
47
48     /**
49      * The first instruction corresponding to this line number.
50      */
51     public Label start;
52
53     /**
54      * Constructs a new {@link LineNumberNode}.
55      *
56      * @param line a line number. This number refers to the source file from
57      * which the class was compiled.
58      * @param start the first instruction corresponding to this line number.
59      */
60     public LineNumberNode(final int line, final Label start) {
61         this.line = line;
62         this.start = start;
63     }
64
65     /**
66      * Makes the given visitor visit this line number declaration.
67      *
68      * @param mv a method visitor.
69      */
70     public void accept(final MethodVisitor mv) {
71         mv.visitLineNumber(line, start);
72     }
73 }
74
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