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annotate graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/SpecializationFallthroughTest.java @ 19283:08aa0372dad4

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Truffle-DSL: implement new guard expression syntax.
author Christian Humer <christian.humer@gmail.com>
date Fri, 23 Jan 2015 02:55:23 +0100
parents 2c669386b5d0
children
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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 static com.oracle.truffle.api.dsl.test.TestHelper.*;
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26
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27 import org.junit.*;
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28
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29 import com.oracle.truffle.api.dsl.*;
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30 import com.oracle.truffle.api.dsl.test.SpecializationFallthroughTestFactory.FallthroughTest0Factory;
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31 import com.oracle.truffle.api.dsl.test.SpecializationFallthroughTestFactory.FallthroughTest1Factory;
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32 import com.oracle.truffle.api.dsl.test.SpecializationFallthroughTestFactory.FallthroughTest2Factory;
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33 import com.oracle.truffle.api.dsl.test.SpecializationFallthroughTestFactory.FallthroughTest3Factory;
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34 import com.oracle.truffle.api.dsl.test.SpecializationFallthroughTestFactory.FallthroughTest4Factory;
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35 import com.oracle.truffle.api.dsl.test.SpecializationFallthroughTestFactory.FallthroughTest5Factory;
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36 import com.oracle.truffle.api.dsl.test.TestHelper.ExecutionListener;
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37 import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode;
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38 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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39
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40 public class SpecializationFallthroughTest {
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41
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42 @Test
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43 public void testFallthrough0() {
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44 assertRuns(FallthroughTest0Factory.getInstance(), //
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45 array(0, 0, 1, 2), //
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46 array(0, 0, 1, 2), //
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47 new ExecutionListener() {
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48 public void afterExecution(TestRootNode<? extends ValueNode> node, int index, Object value, Object expectedResult, Object actualResult, boolean last) {
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49 if (!last) {
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50 return;
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51 }
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52 if (FallthroughTest0.fallthroughCount > 1) {
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53 Assert.fail("The fallthrough case must never be triggered twice. Therfore count must be <= 1, but is not.");
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54 }
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55 }
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56 });
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57 }
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58
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59 @NodeChildren({@NodeChild("a")})
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60 static class FallthroughTest0 extends ValueNode {
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61
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62 static int fallthroughCount = 0;
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63
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64 public FallthroughTest0() {
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65 fallthroughCount = 0;
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66 }
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67
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68 @Specialization(rewriteOn = ArithmeticException.class)
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69 int do1(int a) throws ArithmeticException {
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70 if (a == 0) {
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71 fallthroughCount++;
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72 throw new ArithmeticException();
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73 }
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74 return a;
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75 }
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76
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77 @Fallback
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78 Object doFallback(Object a) {
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79 return a;
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80 }
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81 }
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82
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83 /*
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84 * Tests that the fall through is never triggered twice for monomorphic cases.
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85 */
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86 @Test
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87 public void testFallthrough1() {
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88 assertRuns(FallthroughTest1Factory.getInstance(), //
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89 array(0, 0, 0, 1, 2), //
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90 array(0, 0, 0, 1, 2), //
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91 new ExecutionListener() {
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92 public void afterExecution(TestRootNode<? extends ValueNode> node, int index, Object value, Object expectedResult, Object actualResult, boolean last) {
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93 if (!last) {
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94 return;
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95 }
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96 if (FallthroughTest1.fallthroughCount > 1) {
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97 Assert.fail("The fallthrough case must never be triggered twice. Therfore count must be <= 1, but is not.");
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98 }
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99 }
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100 });
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101 }
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102
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103 /* TODO assert falltrough do1 before do2 */
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104 @NodeChildren({@NodeChild("a")})
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105 static class FallthroughTest1 extends ValueNode {
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106
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107 static int fallthroughCount;
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108
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109 public FallthroughTest1() {
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110 fallthroughCount = 0;
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111 }
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112
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113 @Specialization(rewriteOn = ArithmeticException.class)
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114 int do1(int a) throws ArithmeticException {
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115 if (a == 0) {
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116 fallthroughCount++;
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117 throw new ArithmeticException();
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118 }
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119 return a;
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120 }
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121
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122 @Specialization
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123 int do2(int a) {
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124 return a;
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125 }
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126
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127 }
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128
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129 /*
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130 * Tests that the fall through is never triggered twice with two falltrhoughs in one operation.
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131 */
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132 @Test
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133 public void testFallthrough2() {
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134 assertRuns(FallthroughTest2Factory.getInstance(), //
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135 array(0, 0, 1, 1, 2, 2), //
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136 array(0, 0, 1, 1, 2, 2), //
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137 new ExecutionListener() {
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138 public void afterExecution(TestRootNode<? extends ValueNode> node, int index, Object value, Object expectedResult, Object actualResult, boolean last) {
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139 if (!last) {
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140 return;
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141 }
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
142 if (FallthroughTest2.fallthrough1 > 1) {
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Christian Humer <christian.humer@gmail.com>
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143 Assert.fail();
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Christian Humer <christian.humer@gmail.com>
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144 }
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diff changeset
145 if (FallthroughTest2.fallthrough2 > 1) {
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diff changeset
146 Assert.fail();
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147 }
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148 FallthroughTest2.fallthrough1 = 0;
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149 FallthroughTest2.fallthrough2 = 0;
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150 }
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151 });
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152 }
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153
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154 @NodeChildren({@NodeChild("a")})
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parents: 16760
diff changeset
155 static class FallthroughTest2 extends ValueNode {
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156
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157 static int fallthrough1;
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158 static int fallthrough2;
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159
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160 @Specialization(order = 1, rewriteOn = ArithmeticException.class)
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161 int do1(int a) throws ArithmeticException {
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162 if (a == 0) {
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163 fallthrough1++;
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164 throw new ArithmeticException();
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165 }
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166 return a;
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Christian Humer <christian.humer@gmail.com>
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167 }
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Christian Humer <christian.humer@gmail.com>
parents: 16760
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168
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169 @Specialization(order = 2, rewriteOn = ArithmeticException.class)
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170 int do2(int a) throws ArithmeticException {
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171 if (a == 1) {
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172 fallthrough2++;
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173 throw new ArithmeticException();
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174 }
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175 return a;
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176 }
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177
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178 @Specialization
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179 int do3(int a) {
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180 return a;
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181 }
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182 }
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183
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184 /*
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185 * Tests that the fall through is never triggered twice. In this case mixed fallthrough with
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186 * normal specializations.
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187 */
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188 @Test
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Christian Humer <christian.humer@gmail.com>
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189 public void testFallthrough3() {
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190 assertRuns(FallthroughTest3Factory.getInstance(), //
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diff changeset
191 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
192 array(0, 0, 1, 1, 2, 2), //
16763
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193 new ExecutionListener() {
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Christian Humer <christian.humer@gmail.com>
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194 public void afterExecution(TestRootNode<? extends ValueNode> node, int index, Object value, Object expectedResult, Object actualResult, boolean last) {
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195 if (!last) {
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parents: 16760
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196 return;
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197 }
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diff changeset
198 if (FallthroughTest3.fallthrough1 > 1) {
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diff changeset
199 Assert.fail(String.valueOf(FallthroughTest3.fallthrough1));
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200 }
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201 FallthroughTest3.fallthrough1 = 0;
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202 }
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parents: 16760
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203 });
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204 }
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205
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206 @NodeChildren({@NodeChild("a")})
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diff changeset
207 static class FallthroughTest3 extends ValueNode {
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208
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diff changeset
209 static int fallthrough1;
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210
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diff changeset
211 boolean guard0(int a) {
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diff changeset
212 return a == 1;
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213 }
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214
19283
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
Christian Humer <christian.humer@gmail.com>
parents: 18770
diff changeset
215 @Specialization(guards = "guard0(a)")
16763
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diff changeset
216 int do2(int a) {
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217 return a;
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diff changeset
218 }
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219
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diff changeset
220 @Specialization(rewriteOn = ArithmeticException.class)
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diff changeset
221 int do1(int a) throws ArithmeticException {
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diff changeset
222 if (a == 0) {
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Christian Humer <christian.humer@gmail.com>
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diff changeset
223 fallthrough1++;
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Christian Humer <christian.humer@gmail.com>
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diff changeset
224 throw new ArithmeticException();
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225 }
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diff changeset
226 return a;
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diff changeset
227 }
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228
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diff changeset
229 @Specialization
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Christian Humer <christian.humer@gmail.com>
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diff changeset
230 int do3(int a) {
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
231 return a;
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Christian Humer <christian.humer@gmail.com>
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diff changeset
232 }
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233
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diff changeset
234 }
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235
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Christian Humer <christian.humer@gmail.com>
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diff changeset
236 @Test
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Christian Humer <christian.humer@gmail.com>
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diff changeset
237 public void testFallthrough4() {
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Christian Humer <christian.humer@gmail.com>
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diff changeset
238 assertRuns(FallthroughTest4Factory.getInstance(), //
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
239 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
240 array(0, 0, 1, 1, 2, 2), //
16763
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Christian Humer <christian.humer@gmail.com>
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diff changeset
241 new ExecutionListener() {
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
242 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>
parents: 16760
diff changeset
243 if (!last) {
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
244 return;
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Christian Humer <christian.humer@gmail.com>
parents: 16760
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245 }
e6d15134ca86 Truffle-DSL: fixed formatting problems.
Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
246 if (FallthroughTest4.fallthrough1 > 1) {
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
247 Assert.fail(String.valueOf(FallthroughTest4.fallthrough1));
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Christian Humer <christian.humer@gmail.com>
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diff changeset
248 }
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Christian Humer <christian.humer@gmail.com>
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diff changeset
249 if (FallthroughTest4.fallthrough2 > 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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diff changeset
252 FallthroughTest4.fallthrough1 = 0;
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Christian Humer <christian.humer@gmail.com>
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diff changeset
253 FallthroughTest4.fallthrough2 = 0;
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
254 }
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
255 });
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
256 }
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diff changeset
257
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diff changeset
258 @NodeChildren({@NodeChild("a")})
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
259 static class FallthroughTest4 extends ValueNode {
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260
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diff changeset
261 static int fallthrough1;
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Christian Humer <christian.humer@gmail.com>
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diff changeset
262 static int fallthrough2;
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diff changeset
263
e6d15134ca86 Truffle-DSL: fixed formatting problems.
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parents: 16760
diff changeset
264 @Specialization(order = 1, rewriteOn = ArithmeticException.class)
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
265 int do1(int a) throws ArithmeticException {
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
266 if (a == 0) {
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
267 fallthrough1++;
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Christian Humer <christian.humer@gmail.com>
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diff changeset
268 throw new ArithmeticException();
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diff changeset
269 }
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diff changeset
270 return a;
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
271 }
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parents: 16760
diff changeset
272
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parents: 16760
diff changeset
273 @Specialization(order = 2, rewriteOn = ArithmeticException.class)
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
274 int do2(int a) throws ArithmeticException {
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
275 if (a == 1) {
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Christian Humer <christian.humer@gmail.com>
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diff changeset
276 fallthrough2++;
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
277 throw new ArithmeticException();
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Christian Humer <christian.humer@gmail.com>
parents: 16760
diff changeset
278 }
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parents: 16760
diff changeset
279 return a;
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parents: 16760
diff changeset
280 }
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parents: 16760
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281
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282 @Specialization
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283 int do3(int a) {
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284 return a;
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285 }
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286
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287 }
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288
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289 @Test
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290 public void testFallthrough5() {
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291 assertRuns(FallthroughTest5Factory.getInstance(), //
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292 array(0, 0, 1, 1, 2, 2), //
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293 array(0, 0, 1, 1, 2, 2), //
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294 new ExecutionListener() {
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295 public void afterExecution(TestRootNode<? extends ValueNode> node, int index, Object value, Object expectedResult, Object actualResult, boolean last) {
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296 if (!last) {
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297 return;
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298 }
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299 if (FallthroughTest5.fallthrough1 > 1) {
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300 Assert.fail(String.valueOf(FallthroughTest5.fallthrough1));
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301 }
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302 FallthroughTest5.fallthrough1 = 0;
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303 }
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304 });
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305 }
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306
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307 @NodeChildren({@NodeChild("a")})
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308 static class FallthroughTest5 extends ValueNode {
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309
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310 static int fallthrough1;
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311
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312 @Specialization(guards = "isDo1(a)", rewriteOn = ArithmeticException.class)
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313 int do1(int a) throws ArithmeticException {
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314 if (a == 0) {
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315 fallthrough1++;
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316 throw new ArithmeticException();
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317 }
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318 return a;
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319 }
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320
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321 protected static boolean isDo1(int a) {
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322 return a == 0 || a == 1;
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323 }
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324
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325 @Specialization(guards = "isDo1(a)")
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326 int do2(int a) {
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327 return a;
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328 }
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329
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330 @Specialization
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331 int do3(int a) {
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332 return a;
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333 }
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334
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335 }
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336
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337 /* Throwing RuntimeExceptions without rewriteOn is allowed. */
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338 @NodeChildren({@NodeChild("a")})
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339 static class FallthroughExceptionType0 extends ValueNode {
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340
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341 @Specialization
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342 int do4(int a) throws RuntimeException {
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343 return a;
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344 }
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345
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346 }
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347
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348 /* Non runtime exceptions must be verified. */
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349 @NodeChildren({@NodeChild("a")})
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350 static class FallthroughExceptionType1 extends ValueNode {
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351
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352 @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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353 @Specialization(rewriteOn = Throwable.class)
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354 int do4(int a) {
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355 return a;
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356 }
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357
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358 }
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359
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360 /* Checked exception must be verified. */
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361 @NodeChildren({@NodeChild("a")})
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362 static class FallthroughExceptionType2 extends ValueNode {
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363
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364 @ExpectError("A checked exception 'java.lang.Throwable' is thrown but is not specified using the rewriteOn property. "
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365 + "Checked exceptions that are not used for rewriting are not handled by the DSL. Use RuntimeExceptions for this purpose instead.")
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366 @Specialization
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367 int do4(int a) throws Throwable {
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368 return a;
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369 }
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370
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371 }
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372
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373 }