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annotate truffle/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/SpecializationFallthroughTest.java @ 22157:dc83cc1f94f2

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Using fully qualified imports
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 16 Sep 2015 11:33:22 +0200
parents 9c8c0937da41
children 14e6dfb1ef05
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1 /*
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2 * Copyright (c) 2012, 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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23 package com.oracle.truffle.api.dsl.test;
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24
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25 import com.oracle.truffle.api.dsl.Fallback;
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26 import com.oracle.truffle.api.dsl.NodeChild;
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27 import com.oracle.truffle.api.dsl.NodeChildren;
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28 import com.oracle.truffle.api.dsl.Specialization;
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29 import com.oracle.truffle.api.dsl.test.SpecializationFallthroughTestFactory.FallthroughTest0Factory;
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30 import com.oracle.truffle.api.dsl.test.SpecializationFallthroughTestFactory.FallthroughTest1Factory;
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31 import com.oracle.truffle.api.dsl.test.SpecializationFallthroughTestFactory.FallthroughTest2Factory;
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32 import com.oracle.truffle.api.dsl.test.SpecializationFallthroughTestFactory.FallthroughTest3Factory;
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33 import com.oracle.truffle.api.dsl.test.SpecializationFallthroughTestFactory.FallthroughTest4Factory;
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34 import com.oracle.truffle.api.dsl.test.SpecializationFallthroughTestFactory.FallthroughTest5Factory;
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35 import com.oracle.truffle.api.dsl.test.TestHelper.ExecutionListener;
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36 import static com.oracle.truffle.api.dsl.test.TestHelper.array;
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37 import static com.oracle.truffle.api.dsl.test.TestHelper.assertRuns;
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38 import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode;
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39 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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40 import org.junit.Assert;
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41 import org.junit.Test;
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42
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43 public class SpecializationFallthroughTest {
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44
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45 @Test
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46 public void testFallthrough0() {
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47 assertRuns(FallthroughTest0Factory.getInstance(), //
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48 array(0, 0, 1, 2), //
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49 array(0, 0, 1, 2), //
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50 new ExecutionListener() {
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51 public void afterExecution(TestRootNode<? extends ValueNode> node, int index, Object value, Object expectedResult, Object actualResult, boolean last) {
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52 if (!last) {
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53 return;
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54 }
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55 if (FallthroughTest0.fallthroughCount > 1) {
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56 Assert.fail("The fallthrough case must never be triggered twice. Therfore count must be <= 1, but is not.");
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57 }
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58 }
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59 });
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60 }
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61
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62 @NodeChildren({@NodeChild("a")})
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63 static class FallthroughTest0 extends ValueNode {
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64
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65 static int fallthroughCount = 0;
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66
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67 public FallthroughTest0() {
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68 fallthroughCount = 0;
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69 }
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70
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71 @Specialization(rewriteOn = ArithmeticException.class)
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72 int do1(int a) throws ArithmeticException {
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73 if (a == 0) {
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74 fallthroughCount++;
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75 throw new ArithmeticException();
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76 }
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77 return a;
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78 }
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79
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80 @Fallback
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81 Object doFallback(Object a) {
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82 return a;
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83 }
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84 }
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85
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86 /*
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87 * Tests that the fall through is never triggered twice for monomorphic cases.
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88 */
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89 @Test
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90 public void testFallthrough1() {
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91 assertRuns(FallthroughTest1Factory.getInstance(), //
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92 array(0, 0, 0, 1, 2), //
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93 array(0, 0, 0, 1, 2), //
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94 new ExecutionListener() {
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95 public void afterExecution(TestRootNode<? extends ValueNode> node, int index, Object value, Object expectedResult, Object actualResult, boolean last) {
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96 if (!last) {
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97 return;
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98 }
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99 if (FallthroughTest1.fallthroughCount > 1) {
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100 Assert.fail("The fallthrough case must never be triggered twice. Therfore count must be <= 1, but is not.");
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101 }
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102 }
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103 });
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104 }
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105
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106 /* TODO assert falltrough do1 before do2 */
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107 @NodeChildren({@NodeChild("a")})
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108 static class FallthroughTest1 extends ValueNode {
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109
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110 static int fallthroughCount;
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111
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112 public FallthroughTest1() {
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113 fallthroughCount = 0;
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114 }
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115
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116 @Specialization(rewriteOn = ArithmeticException.class)
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117 int do1(int a) throws ArithmeticException {
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118 if (a == 0) {
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119 fallthroughCount++;
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120 throw new ArithmeticException();
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121 }
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122 return a;
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123 }
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124
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125 @Specialization
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126 int do2(int a) {
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127 return a;
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128 }
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129
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130 }
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131
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132 /*
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133 * Tests that the fall through is never triggered twice with two falltrhoughs in one operation.
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134 */
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135 @Test
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136 public void testFallthrough2() {
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137 assertRuns(FallthroughTest2Factory.getInstance(), //
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138 array(0, 0, 1, 1, 2, 2), //
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c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings
Doug Simon <doug.simon@oracle.com>
parents: 16766
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139 array(0, 0, 1, 1, 2, 2), //
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140 new ExecutionListener() {
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141 public void afterExecution(TestRootNode<? extends ValueNode> node, int index, Object value, Object expectedResult, Object actualResult, boolean last) {
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142 if (!last) {
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143 return;
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Christian Humer <christian.humer@gmail.com>
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144 }
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Christian Humer <christian.humer@gmail.com>
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diff changeset
145 if (FallthroughTest2.fallthrough1 > 1) {
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diff changeset
146 Assert.fail();
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Christian Humer <christian.humer@gmail.com>
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147 }
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148 if (FallthroughTest2.fallthrough2 > 1) {
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149 Assert.fail();
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150 }
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151 FallthroughTest2.fallthrough1 = 0;
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152 FallthroughTest2.fallthrough2 = 0;
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153 }
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154 });
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155 }
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156
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157 @NodeChildren({@NodeChild("a")})
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diff changeset
158 static class FallthroughTest2 extends ValueNode {
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159
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160 static int fallthrough1;
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161 static int fallthrough2;
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162
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diff changeset
163 @Specialization(order = 1, rewriteOn = ArithmeticException.class)
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Christian Humer <christian.humer@gmail.com>
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164 int do1(int a) throws ArithmeticException {
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Christian Humer <christian.humer@gmail.com>
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165 if (a == 0) {
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Christian Humer <christian.humer@gmail.com>
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166 fallthrough1++;
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Christian Humer <christian.humer@gmail.com>
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167 throw new ArithmeticException();
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168 }
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169 return a;
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170 }
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171
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172 @Specialization(order = 2, rewriteOn = ArithmeticException.class)
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173 int do2(int a) throws ArithmeticException {
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Christian Humer <christian.humer@gmail.com>
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174 if (a == 1) {
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Christian Humer <christian.humer@gmail.com>
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175 fallthrough2++;
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176 throw new ArithmeticException();
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177 }
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178 return a;
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179 }
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180
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181 @Specialization
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Christian Humer <christian.humer@gmail.com>
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diff changeset
182 int do3(int a) {
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Christian Humer <christian.humer@gmail.com>
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183 return a;
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184 }
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185 }
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186
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187 /*
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188 * Tests that the fall through is never triggered twice. In this case mixed fallthrough with
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Christian Humer <christian.humer@gmail.com>
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189 * normal specializations.
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Christian Humer <christian.humer@gmail.com>
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190 */
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Christian Humer <christian.humer@gmail.com>
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191 @Test
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Christian Humer <christian.humer@gmail.com>
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diff changeset
192 public void testFallthrough3() {
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Christian Humer <christian.humer@gmail.com>
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193 assertRuns(FallthroughTest3Factory.getInstance(), //
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Christian Humer <christian.humer@gmail.com>
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diff changeset
194 array(0, 0, 1, 1, 2, 2), //
18163
c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings
Doug Simon <doug.simon@oracle.com>
parents: 16766
diff changeset
195 array(0, 0, 1, 1, 2, 2), //
16763
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196 new ExecutionListener() {
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Christian Humer <christian.humer@gmail.com>
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diff changeset
197 public void afterExecution(TestRootNode<? extends ValueNode> node, int index, Object value, Object expectedResult, Object actualResult, boolean last) {
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198 if (!last) {
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199 return;
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200 }
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diff changeset
201 if (FallthroughTest3.fallthrough1 > 1) {
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diff changeset
202 Assert.fail(String.valueOf(FallthroughTest3.fallthrough1));
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203 }
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204 FallthroughTest3.fallthrough1 = 0;
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205 }
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206 });
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207 }
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208
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diff changeset
209 @NodeChildren({@NodeChild("a")})
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diff changeset
210 static class FallthroughTest3 extends ValueNode {
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211
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212 static int fallthrough1;
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213
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diff changeset
214 boolean guard0(int a) {
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diff changeset
215 return a == 1;
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Christian Humer <christian.humer@gmail.com>
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216 }
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parents: 16760
diff changeset
217
19283
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
Christian Humer <christian.humer@gmail.com>
parents: 18770
diff changeset
218 @Specialization(guards = "guard0(a)")
16763
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diff changeset
219 int do2(int a) {
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Christian Humer <christian.humer@gmail.com>
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220 return a;
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Christian Humer <christian.humer@gmail.com>
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diff changeset
221 }
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diff changeset
222
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diff changeset
223 @Specialization(rewriteOn = ArithmeticException.class)
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Christian Humer <christian.humer@gmail.com>
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diff changeset
224 int do1(int a) throws ArithmeticException {
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Christian Humer <christian.humer@gmail.com>
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diff changeset
225 if (a == 0) {
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Christian Humer <christian.humer@gmail.com>
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diff changeset
226 fallthrough1++;
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Christian Humer <christian.humer@gmail.com>
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diff changeset
227 throw new ArithmeticException();
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228 }
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diff changeset
229 return a;
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Christian Humer <christian.humer@gmail.com>
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diff changeset
230 }
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231
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
232 @Specialization
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Christian Humer <christian.humer@gmail.com>
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diff changeset
233 int do3(int a) {
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Christian Humer <christian.humer@gmail.com>
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diff changeset
234 return a;
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Christian Humer <christian.humer@gmail.com>
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diff changeset
235 }
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diff changeset
236
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Christian Humer <christian.humer@gmail.com>
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diff changeset
237 }
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diff changeset
238
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Christian Humer <christian.humer@gmail.com>
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diff changeset
239 @Test
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Christian Humer <christian.humer@gmail.com>
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diff changeset
240 public void testFallthrough4() {
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Christian Humer <christian.humer@gmail.com>
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diff changeset
241 assertRuns(FallthroughTest4Factory.getInstance(), //
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
242 array(0, 0, 1, 1, 2, 2), //
18163
c88ab4f1f04a re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings
Doug Simon <doug.simon@oracle.com>
parents: 16766
diff changeset
243 array(0, 0, 1, 1, 2, 2), //
16763
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Christian Humer <christian.humer@gmail.com>
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diff changeset
244 new ExecutionListener() {
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Christian Humer <christian.humer@gmail.com>
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diff changeset
245 public void afterExecution(TestRootNode<? extends ValueNode> node, int index, Object value, Object expectedResult, Object actualResult, boolean last) {
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Christian Humer <christian.humer@gmail.com>
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diff changeset
246 if (!last) {
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
247 return;
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Christian Humer <christian.humer@gmail.com>
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diff changeset
248 }
e6d15134ca86 Truffle-DSL: fixed formatting problems.
Christian Humer <christian.humer@gmail.com>
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diff changeset
249 if (FallthroughTest4.fallthrough1 > 1) {
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Christian Humer <christian.humer@gmail.com>
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diff changeset
250 Assert.fail(String.valueOf(FallthroughTest4.fallthrough1));
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Christian Humer <christian.humer@gmail.com>
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diff changeset
251 }
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Christian Humer <christian.humer@gmail.com>
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diff changeset
252 if (FallthroughTest4.fallthrough2 > 1) {
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Christian Humer <christian.humer@gmail.com>
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diff changeset
253 Assert.fail(String.valueOf(FallthroughTest4.fallthrough1));
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diff changeset
254 }
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diff changeset
255 FallthroughTest4.fallthrough1 = 0;
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
256 FallthroughTest4.fallthrough2 = 0;
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
257 }
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
258 });
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
259 }
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diff changeset
260
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
261 @NodeChildren({@NodeChild("a")})
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
262 static class FallthroughTest4 extends ValueNode {
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Christian Humer <christian.humer@gmail.com>
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diff changeset
263
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Christian Humer <christian.humer@gmail.com>
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diff changeset
264 static int fallthrough1;
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
265 static int fallthrough2;
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diff changeset
266
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parents: 16760
diff changeset
267 @Specialization(order = 1, rewriteOn = ArithmeticException.class)
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
268 int do1(int a) throws ArithmeticException {
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
269 if (a == 0) {
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
270 fallthrough1++;
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diff changeset
271 throw new ArithmeticException();
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diff changeset
272 }
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diff changeset
273 return a;
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
274 }
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parents: 16760
diff changeset
275
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diff changeset
276 @Specialization(order = 2, rewriteOn = ArithmeticException.class)
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
277 int do2(int a) throws ArithmeticException {
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
278 if (a == 1) {
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
279 fallthrough2++;
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280 throw new ArithmeticException();
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281 }
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282 return a;
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283 }
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284
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285 @Specialization
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286 int do3(int a) {
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287 return a;
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288 }
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289
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290 }
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291
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292 @Test
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293 public void testFallthrough5() {
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294 assertRuns(FallthroughTest5Factory.getInstance(), //
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295 array(0, 0, 1, 1, 2, 2), //
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296 array(0, 0, 1, 1, 2, 2), //
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297 new ExecutionListener() {
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298 public void afterExecution(TestRootNode<? extends ValueNode> node, int index, Object value, Object expectedResult, Object actualResult, boolean last) {
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299 if (!last) {
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300 return;
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301 }
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302 if (FallthroughTest5.fallthrough1 > 1) {
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303 Assert.fail(String.valueOf(FallthroughTest5.fallthrough1));
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304 }
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305 FallthroughTest5.fallthrough1 = 0;
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306 }
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307 });
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308 }
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309
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310 @NodeChildren({@NodeChild("a")})
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311 static class FallthroughTest5 extends ValueNode {
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312
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313 static int fallthrough1;
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314
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315 @Specialization(guards = "isDo1(a)", rewriteOn = ArithmeticException.class)
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316 int do1(int a) throws ArithmeticException {
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317 if (a == 0) {
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318 fallthrough1++;
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319 throw new ArithmeticException();
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320 }
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321 return a;
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322 }
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323
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324 protected static boolean isDo1(int a) {
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325 return a == 0 || a == 1;
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326 }
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327
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328 @Specialization(guards = "isDo1(a)")
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329 int do2(int a) {
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330 return a;
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331 }
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332
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333 @Specialization
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334 int do3(int a) {
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335 return a;
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336 }
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337
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338 }
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339
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340 /* Throwing RuntimeExceptions without rewriteOn is allowed. */
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341 @NodeChildren({@NodeChild("a")})
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342 static class FallthroughExceptionType0 extends ValueNode {
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343
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344 @Specialization
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345 int do4(int a) throws RuntimeException {
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346 return a;
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347 }
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348
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349 }
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350
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351 /* Non runtime exceptions must be verified. */
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352 @NodeChildren({@NodeChild("a")})
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353 static class FallthroughExceptionType1 extends ValueNode {
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354
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355 @ExpectError("A rewriteOn checked exception was specified but not thrown in the method's throws clause. The @Specialization method must specify a throws clause with the exception type 'java.lang.Throwable'.")
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356 @Specialization(rewriteOn = Throwable.class)
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357 int do4(int a) {
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358 return a;
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359 }
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360
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361 }
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362
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363 /* Checked exception must be verified. */
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364 @NodeChildren({@NodeChild("a")})
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365 static class FallthroughExceptionType2 extends ValueNode {
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366
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367 @ExpectError("A checked exception 'java.lang.Throwable' is thrown but is not specified using the rewriteOn property. "
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368 + "Checked exceptions that are not used for rewriting are not handled by the DSL. Use RuntimeExceptions for this purpose instead.")
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369 @Specialization
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370 int do4(int a) throws Throwable {
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371 return a;
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372 }
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373
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374 }
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375
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376 }