Mercurial > hg > graal-jvmci-8
comparison src/share/vm/ci/ciExceptionHandler.hpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
---|---|
date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
comparison
equal
deleted
inserted
replaced
-1:000000000000 | 0:a61af66fc99e |
---|---|
1 /* | |
2 * Copyright 1999-2005 Sun Microsystems, Inc. All Rights Reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 // ciExceptionHandler | |
26 // | |
27 // This class represents an exception handler for a method. | |
28 class ciExceptionHandler : public ResourceObj { | |
29 private: | |
30 friend class ciMethod; | |
31 | |
32 // The loader to be used for resolving the exception | |
33 // klass. | |
34 ciInstanceKlass* _loading_klass; | |
35 | |
36 // Handler data. | |
37 int _start; | |
38 int _limit; | |
39 int _handler_bci; | |
40 int _catch_klass_index; | |
41 | |
42 // The exception klass that this handler catches. | |
43 ciInstanceKlass* _catch_klass; | |
44 | |
45 public: | |
46 ciExceptionHandler(ciInstanceKlass* loading_klass, | |
47 int start, int limit, | |
48 int handler_bci, int klass_index) { | |
49 _loading_klass = loading_klass; | |
50 _start = start; | |
51 _limit = limit; | |
52 _handler_bci = handler_bci; | |
53 _catch_klass_index = klass_index; | |
54 _catch_klass = NULL; | |
55 } | |
56 | |
57 int start() { return _start; } | |
58 int limit() { return _limit; } | |
59 int handler_bci() { return _handler_bci; } | |
60 int catch_klass_index() { return _catch_klass_index; } | |
61 | |
62 // Get the exception klass that this handler catches. | |
63 ciInstanceKlass* catch_klass(); | |
64 | |
65 bool is_catch_all() { return catch_klass_index() == 0; } | |
66 bool is_in_range(int bci) { | |
67 return start() <= bci && bci < limit(); | |
68 } | |
69 bool catches(ciInstanceKlass *exc) { | |
70 return is_catch_all() || exc->is_subtype_of(catch_klass()); | |
71 } | |
72 bool is_rethrow() { return handler_bci() == -1; } | |
73 | |
74 void print(); | |
75 }; |