01: /***
02: * ASM: a very small and fast Java bytecode manipulation framework
03: * Copyright (c) 2000-2005 INRIA, France Telecom
04: * All rights reserved.
05: *
06: * Redistribution and use in source and binary forms, with or without
07: * modification, are permitted provided that the following conditions
08: * are met:
09: * 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: */package com.tc.asm.tree;
30:
31: import java.util.Map;
32:
33: import com.tc.asm.MethodVisitor;
34:
35: /**
36: * A node that represents a line number declaration. These nodes are pseudo
37: * instruction nodes in order to be inserted in an instruction list.
38: *
39: * @author Eric Bruneton
40: */
41: public class LineNumberNode extends AbstractInsnNode {
42:
43: /**
44: * A line number. This number refers to the source file from which the class
45: * was compiled.
46: */
47: public int line;
48:
49: /**
50: * The first instruction corresponding to this line number.
51: */
52: public LabelNode start;
53:
54: /**
55: * Constructs a new {@link LineNumberNode}.
56: *
57: * @param line a line number. This number refers to the source file from
58: * which the class was compiled.
59: * @param start the first instruction corresponding to this line number.
60: */
61: public LineNumberNode(final int line, final LabelNode start) {
62: super (-1);
63: this .line = line;
64: this .start = start;
65: }
66:
67: public int getType() {
68: return LINE;
69: }
70:
71: public void accept(final MethodVisitor mv) {
72: mv.visitLineNumber(line, start.getLabel());
73: }
74:
75: public AbstractInsnNode clone(final Map labels) {
76: return new LineNumberNode(line, clone(start, labels));
77: }
78: }
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