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annotate graal/com.oracle.max.cri/src/com/oracle/max/cri/ci/CiExceptionHandler.java @ 5507:dc71b06d09f8

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Moving classes from cri.ri to api.meta.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 07 Jun 2012 18:24:06 +0200
parents aaac4894175c
children
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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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25 import com.oracle.graal.api.meta.*;
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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 }