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1 /*
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2 * Copyright 2001 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.debugger.cdbg.basic;
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26
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27 import java.util.*;
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28
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29 import sun.jvm.hotspot.debugger.*;
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30 import sun.jvm.hotspot.debugger.cdbg.*;
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31
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32 public class BasicBlockSym extends BasicSym implements BlockSym {
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33 private BlockSym parent;
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34 private long length;
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35 private Address addr;
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36
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37 private List locals;
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38
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39 /** Creates a new BlockSym. Parent can be null. */
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40 public BasicBlockSym(BlockSym parent, long length, Address addr, String name) {
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41 super(name);
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42 this.parent = parent;
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43 this.length = length;
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44 this.addr = addr;
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45 }
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46
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47 public BlockSym asBlock() { return this; }
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48
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49 public BlockSym getParent() { return parent; }
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50 public long getLength() { return length; }
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51 public Address getAddress() { return addr; }
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52
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53 public int getNumLocals() {
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54 if (locals == null) {
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55 return 0;
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56 }
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57
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58 return locals.size();
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59 }
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60
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61 public LocalSym getLocal(int i) {
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62 return (LocalSym) locals.get(i);
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63 }
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64
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65 public void addLocal(LocalSym local) {
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66 if (locals == null) {
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67 locals = new ArrayList();
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68 }
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69 locals.add(local);
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70 }
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71
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72 public void resolve(BasicCDebugInfoDataBase db, ResolveListener listener) {
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73 parent = (BlockSym) db.resolveSym(this, parent, listener, "resolving parent of block");
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74 if (locals != null) {
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75 for (Iterator iter = locals.iterator(); iter.hasNext(); ) {
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76 ((BasicLocalSym) iter.next()).resolve(db, listener);
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77 }
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78 }
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79 }
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80 }
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