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annotate graal/com.oracle.jvmci.meta/src/com/oracle/jvmci/meta/LocalVariableTableImpl.java @ 21556:48c1ebd24120

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renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Wed, 27 May 2015 00:36:16 +0200
parents graal/com.oracle.graal.api.meta/src/com/oracle/graal/api/meta/LocalVariableTableImpl.java@d464710b2a7d
children 47bebae7454f
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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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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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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
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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.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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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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23 package com.oracle.jvmci.meta;
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24
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25 import java.util.*;
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26
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27 public class LocalVariableTableImpl implements LocalVariableTable {
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28
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29 private final Local[] locals;
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30
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31 public LocalVariableTableImpl(Local[] locals) {
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32 this.locals = locals;
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33 }
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34
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35 @Override
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36 public Local getLocal(int slot, int bci) {
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37 Local result = null;
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38 for (Local local : locals) {
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39 if (local.getSlot() == slot && local.getStartBCI() <= bci && local.getEndBCI() >= bci) {
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40 if (result == null) {
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41 result = local;
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42 } else {
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43 throw new IllegalStateException("Locals overlap!");
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44 }
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45 }
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46 }
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47 return result;
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48 }
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49
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50 @Override
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51 public Local[] getLocals() {
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52 return locals;
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53 }
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54
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55 @Override
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56 public Local[] getLocalsAt(int bci) {
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57 List<Local> result = new ArrayList<>();
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58 for (Local l : locals) {
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59 if (l.getStartBCI() <= bci && bci <= l.getEndBCI()) {
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60 result.add(l);
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61 }
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62 }
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63 return result.toArray(new Local[result.size()]);
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64 }
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65
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66 }