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annotate graal/com.oracle.graal.jtt/src/com/oracle/graal/jtt/except/Catch_StackOverflowError_03.java @ 14991:64dcb92ee75a

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Truffle: Change signature for Truffle calls from (PackedFrame, Arguments) to (Object[]).
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sun, 06 Apr 2014 17:46:24 +0200
parents 390448a6b535
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 * Copyright (c) 2009, 2012, 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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4ed4295ce15f Update import statements.
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23 package com.oracle.graal.jtt.except;
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24
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25 import org.junit.*;
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26
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27 import com.oracle.graal.jtt.*;
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28
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29 /**
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30 * Some basic checking of the stack trace produced after a StackOverflowError.
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31 */
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32 public class Catch_StackOverflowError_03 extends JTTTest {
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33
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34 private static final int PASS = 0;
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35 private static final int FAIL = 1;
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36
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37 private static void recurseA() {
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38 recurseB();
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39 }
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40
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41 private static void recurseB() {
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42 recurseA();
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43 }
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44
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45 public static int test() {
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46 try {
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47 recurseA();
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48 } catch (StackOverflowError stackOverflowError) {
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49 // Check that a method does not appear to be calling itself in the stack trace
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50 // and check that recurse* is only called by either recurse* or test
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51 StackTraceElement[] elements = null;
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52 elements = stackOverflowError.getStackTrace();
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53 if (elements.length == 0) {
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54 // Not much we can do about this perfectly legal situation
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55 return PASS;
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56 }
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57 String lastMethodName = elements[0].getMethodName();
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58 for (int i = 1; i < elements.length; ++i) {
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59 String methodName = elements[i].getMethodName();
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60
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61 // Skip top-of-stack until we find a method with name "recurse*".
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62 if (!methodName.startsWith("recurse")) {
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63 continue;
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64 }
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65
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66 // We reached the test method => done.
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67 if (methodName.equals("test")) {
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68 break;
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69 }
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70
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71 // Stack elements must alternate between recurseA and recurseB
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72 if (lastMethodName.equals(methodName) || (!methodName.equals("recurseA") && !methodName.equals("recurseB"))) {
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73 return FAIL;
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74 }
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75
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76 lastMethodName = methodName;
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77 }
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78
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79 return PASS;
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80 }
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81
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82 return FAIL;
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83 }
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84
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85 @Test
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86 public void run0() throws Throwable {
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87 runTest("test");
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88 }
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89
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90 }