Mercurial > hg > truffle
annotate graal/com.oracle.max.cri/src/com/oracle/max/cri/ci/CiExceptionHandler.java @ 4266:e2499e6d8aa7
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author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Wed, 11 Jan 2012 16:31:46 +0100 |
parents | aaac4894175c |
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1 /* |
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2 * Copyright (c) 2009, 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.max.cri.ci; |
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24 |
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25 import com.oracle.max.cri.ri.*; |
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26 |
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27 /** |
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28 * An implementation of the {@link RiExceptionHandler} interface. |
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29 */ |
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30 public class CiExceptionHandler implements RiExceptionHandler { |
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31 |
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32 public static final CiExceptionHandler[] NONE = {}; |
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33 |
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34 public final int startBCI; |
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35 public final int endBCI; |
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36 public final int handlerBCI; |
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37 public final int catchTypeCPI; |
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38 public final RiType catchType; |
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39 |
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40 /** |
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41 * Creates a new exception handler with the specified ranges. |
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42 * @param startBCI the start index of the protected range |
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43 * @param endBCI the end index of the protected range |
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44 * @param catchBCI the index of the handler |
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45 * @param catchTypeCPI the index of the throwable class in the constant pool |
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46 * @param catchType the type caught by this exception handler |
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47 */ |
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48 public CiExceptionHandler(int startBCI, int endBCI, int catchBCI, int catchTypeCPI, RiType catchType) { |
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49 this.startBCI = startBCI; |
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50 this.endBCI = endBCI; |
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51 this.handlerBCI = catchBCI; |
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52 this.catchTypeCPI = catchTypeCPI; |
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53 this.catchType = catchType; |
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54 } |
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55 |
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56 public int startBCI() { |
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57 return startBCI; |
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58 } |
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59 |
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60 public int endBCI() { |
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61 return endBCI; |
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62 } |
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63 |
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64 public int handlerBCI() { |
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65 return handlerBCI; |
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66 } |
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67 |
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68 public int catchTypeCPI() { |
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69 return catchTypeCPI; |
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70 } |
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71 |
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72 public boolean isCatchAll() { |
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73 return catchTypeCPI == 0; |
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74 } |
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75 |
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76 public RiType catchType() { |
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77 return catchType; |
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78 } |
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79 |
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80 @Override |
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81 public String toString() { |
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82 return new StringBuilder(20). |
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83 append('['). |
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84 append(startBCI). |
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85 append(" - "). |
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86 append(endBCI). |
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87 append(") -> "). |
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88 append(handlerBCI). |
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89 append(" type="). |
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90 append(catchType == null ? "*any*" : catchType.name()). |
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91 toString(); |
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92 } |
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93 } |