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1 /*
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2 * Copyright 2002 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.runtime;
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26
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27 import sun.jvm.hotspot.oops.*;
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28
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29 public class SignatureConverter extends SignatureIterator {
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30 private StringBuffer buf;
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31 private boolean first = true;
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32
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33 public SignatureConverter(Symbol sig, StringBuffer buf) {
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34 super(sig);
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35 this.buf = buf;
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36 }
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37
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38 public void doBool () { appendComma(); buf.append("boolean"); }
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39 public void doChar () { appendComma(); buf.append("char"); }
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40 public void doFloat () { appendComma(); buf.append("float"); }
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41 public void doDouble() { appendComma(); buf.append("double"); }
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42 public void doByte () { appendComma(); buf.append("byte"); }
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43 public void doShort () { appendComma(); buf.append("short"); }
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44 public void doInt () { appendComma(); buf.append("int"); }
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45 public void doLong () { appendComma(); buf.append("long"); }
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46 public void doVoid () {
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47 if(isReturnType()) {
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48 appendComma(); buf.append("void");
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49 } else {
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50 throw new RuntimeException("Should not reach here");
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51 }
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52 }
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53
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54 public void doObject(int begin, int end) { doObject(begin, end, true); }
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55 public void doArray (int begin, int end) {
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56 appendComma();
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57 int inner = arrayInnerBegin(begin);
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58 switch (_signature.getByteAt(inner)) {
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59 case 'B': buf.append("byte"); break;
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60 case 'C': buf.append("char"); break;
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61 case 'D': buf.append("double"); break;
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62 case 'F': buf.append("float"); break;
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63 case 'I': buf.append("int"); break;
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64 case 'J': buf.append("long"); break;
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65 case 'S': buf.append("short"); break;
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66 case 'Z': buf.append("boolean"); break;
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67 case 'L': doObject(inner + 1, end, false); break;
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68 default: break;
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69 }
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70 for (int i = 0; i < inner - begin + 1; i++) {
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71 buf.append("[]");
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72 }
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73 }
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74
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75 public void appendComma() {
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76 if (!first) {
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77 buf.append(", ");
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78 }
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79 first = false;
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80 }
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81
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82 private void doObject(int begin, int end, boolean comma) {
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83 if (comma) {
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84 appendComma();
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85 }
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86 appendSubstring(begin, end - 1);
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87 }
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88
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89 private void appendSubstring(int begin, int end) {
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90 for (int i = begin; i < end; i++) {
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91 buf.append((char) (_signature.getByteAt(i) & 0xFF));
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92 }
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93 }
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94
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95 private int arrayInnerBegin(int begin) {
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96 while (_signature.getByteAt(begin) == '[') {
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97 ++begin;
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98 }
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99 return begin;
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100 }
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101 }
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