Mercurial > lasercutter
comparison src/clojure/asm/Edge.java @ 10:ef7dbbd6452c
added clojure source goodness
author | Robert McIntyre <rlm@mit.edu> |
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date | Sat, 21 Aug 2010 06:25:44 -0400 |
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9:35cf337adfcf | 10:ef7dbbd6452c |
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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 clojure.asm; | |
31 | |
32 /** | |
33 * An edge in the control flow graph of a method body. See {@link Label Label}. | |
34 * | |
35 * @author Eric Bruneton | |
36 */ | |
37 class Edge{ | |
38 | |
39 /** | |
40 * Denotes a normal control flow graph edge. | |
41 */ | |
42 final static int NORMAL = 0; | |
43 | |
44 /** | |
45 * Denotes a control flow graph edge corresponding to an exception handler. | |
46 * More precisely any {@link Edge} whose {@link #info} is strictly positive | |
47 * corresponds to an exception handler. The actual value of {@link #info} is | |
48 * the index, in the {@link ClassWriter} type table, of the exception that | |
49 * is catched. | |
50 */ | |
51 final static int EXCEPTION = 0x7FFFFFFF; | |
52 | |
53 /** | |
54 * Information about this control flow graph edge. If | |
55 * {@link ClassWriter#COMPUTE_MAXS} is used this field is the (relative) | |
56 * stack size in the basic block from which this edge originates. This size | |
57 * is equal to the stack size at the "jump" instruction to which this edge | |
58 * corresponds, relatively to the stack size at the beginning of the | |
59 * originating basic block. If {@link ClassWriter#COMPUTE_FRAMES} is used, | |
60 * this field is the kind of this control flow graph edge (i.e. NORMAL or | |
61 * EXCEPTION). | |
62 */ | |
63 int info; | |
64 | |
65 /** | |
66 * The successor block of the basic block from which this edge originates. | |
67 */ | |
68 Label successor; | |
69 | |
70 /** | |
71 * The next edge in the list of successors of the originating basic block. | |
72 * See {@link Label#successors successors}. | |
73 */ | |
74 Edge next; | |
75 } |