Mercurial > hg > graal-jvmci-8
annotate jvmci/jdk.vm.ci.meta/src/jdk/vm/ci/meta/LocalVariableTable.java @ 23700:9e1235406b59
[Findbugs] various warnings reported for JVMCI sources (JDK-8159613)
author | Doug Simon <doug.simon@oracle.com> |
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date | Sat, 18 Jun 2016 13:19:01 +0200 |
parents | 1d4ce2d19e52 |
children | 0bd91cd9869d |
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extended ResolvedJavaMethod API by getLocalVariableTable
Matthias Grimmer <grimmer@ssw.jku.at>
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1 /* |
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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extended ResolvedJavaMethod API by getLocalVariableTable
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
8bbbde9d0a52
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
8bbbde9d0a52
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12 * version 2 for more details (a copy is included in the LICENSE file that |
8bbbde9d0a52
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
8bbbde9d0a52
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
8bbbde9d0a52
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
8bbbde9d0a52
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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Rename jdk.internal.jvmci to jdk.vm.ci
Tom Rodriguez <tom.rodriguez@oracle.com>
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23 package jdk.vm.ci.meta; |
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24 |
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25 import java.util.ArrayList; |
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26 import java.util.List; |
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27 |
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28 /** |
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29 * @see "https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.7.13" |
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30 */ |
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31 public class LocalVariableTable { |
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32 |
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33 private final Local[] locals; |
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34 |
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35 /** |
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36 * |
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37 * @param locals array of objects describing local variables. This array is now owned by this |
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38 * object and must not be mutated by the caller. |
9e1235406b59
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39 */ |
9e1235406b59
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40 @SuppressFBWarnings(value = "EI_EXPOSE_REP2", justification = "caller transfers ownership of `locals`") |
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41 public LocalVariableTable(Local[] locals) { |
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42 this.locals = locals; |
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43 } |
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44 |
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45 public Local getLocal(int slot, int bci) { |
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46 Local result = null; |
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47 for (Local local : locals) { |
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48 if (local.getSlot() == slot && local.getStartBCI() <= bci && local.getEndBCI() >= bci) { |
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49 if (result == null) { |
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50 result = local; |
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51 } else { |
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52 throw new IllegalStateException("Locals overlap!"); |
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53 } |
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54 } |
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55 } |
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56 return result; |
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57 } |
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58 |
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59 public Local[] getLocalsAt(int bci) { |
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60 List<Local> result = new ArrayList<>(); |
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61 for (Local l : locals) { |
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62 if (l.getStartBCI() <= bci && bci <= l.getEndBCI()) { |
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63 result.add(l); |
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64 } |
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65 } |
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66 return result.toArray(new Local[result.size()]); |
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67 } |
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68 } |