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comparison jvmci/jdk.vm.ci.meta/src/jdk/vm/ci/meta/LocalVariableTableImpl.java @ 22672:1bbd4a7c274b

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Rename jdk.internal.jvmci to jdk.vm.ci
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Thu, 08 Oct 2015 17:28:41 -0700
parents jvmci/jdk.internal.jvmci.meta/src/jdk/internal/jvmci/meta/LocalVariableTableImpl.java@ec96f33a101d
children
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22671:97f30e4d0e95 22672:1bbd4a7c274b
1 /*
2 * Copyright (c) 2011, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package jdk.vm.ci.meta;
24
25 import java.util.ArrayList;
26 import java.util.List;
27
28 public class LocalVariableTableImpl implements LocalVariableTable {
29
30 private final Local[] locals;
31
32 public LocalVariableTableImpl(Local[] locals) {
33 this.locals = locals;
34 }
35
36 @Override
37 public Local getLocal(int slot, int bci) {
38 Local result = null;
39 for (Local local : locals) {
40 if (local.getSlot() == slot && local.getStartBCI() <= bci && local.getEndBCI() >= bci) {
41 if (result == null) {
42 result = local;
43 } else {
44 throw new IllegalStateException("Locals overlap!");
45 }
46 }
47 }
48 return result;
49 }
50
51 @Override
52 public Local[] getLocals() {
53 return locals;
54 }
55
56 @Override
57 public Local[] getLocalsAt(int bci) {
58 List<Local> result = new ArrayList<>();
59 for (Local l : locals) {
60 if (l.getStartBCI() <= bci && bci <= l.getEndBCI()) {
61 result.add(l);
62 }
63 }
64 return result.toArray(new Local[result.size()]);
65 }
66
67 }