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 org.objectweb.asm.tree;
30:
31: import org.objectweb.asm.MethodVisitor;
32:
33: /**
34: * A node that represents a try catch block.
35: *
36: * @author Eric Bruneton
37: */
38: public class TryCatchBlockNode {
39:
40: /**
41: * Beginning of the exception handler's scope (inclusive).
42: */
43: public LabelNode start;
44:
45: /**
46: * End of the exception handler's scope (exclusive).
47: */
48: public LabelNode end;
49:
50: /**
51: * Beginning of the exception handler's code.
52: */
53: public LabelNode handler;
54:
55: /**
56: * Internal name of the type of exceptions handled by the handler. May be
57: * <tt>null</tt> to catch any exceptions (for "finally" blocks).
58: */
59: public String type;
60:
61: /**
62: * Constructs a new {@link TryCatchBlockNode}.
63: *
64: * @param start beginning of the exception handler's scope (inclusive).
65: * @param end end of the exception handler's scope (exclusive).
66: * @param handler beginning of the exception handler's code.
67: * @param type internal name of the type of exceptions handled by the
68: * handler, or <tt>null</tt> to catch any exceptions (for "finally"
69: * blocks).
70: */
71: public TryCatchBlockNode(final LabelNode start,
72: final LabelNode end, final LabelNode handler,
73: final String type) {
74: this .start = start;
75: this .end = end;
76: this .handler = handler;
77: this .type = type;
78: }
79:
80: /**
81: * Makes the given visitor visit this try catch block.
82: *
83: * @param mv a method visitor.
84: */
85: public void accept(final MethodVisitor mv) {
86: mv.visitTryCatchBlock(start.getLabel(), end.getLabel(),
87: handler == null ? null : handler.getLabel(), type);
88: }
89: }
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