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annotate truffle/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/SpecializationFallthroughTest.java @ 22241:14e6dfb1ef05

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Truffle/Testing: massive rework of tests to accommodate recent instrumentation change with respect to "applyInstrumentation" - Caused by lack of a "vm" known to the Accessor during most testing, making the Instrumenter unavailable, which is now required to create a CallTarget - Modified the Instrumenter/Accessor with a static field that can be reflectively "poked" with a vm value for testing - Create a pair of methods to globally enable/disable testing mode to modify that static field and restore it when tests complete.
author Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date Tue, 22 Sep 2015 20:31:19 -0700
parents dc83cc1f94f2
children 0d36601f233e
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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.array;
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26 import static com.oracle.truffle.api.dsl.test.TestHelper.assertRuns;
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27
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28 import org.junit.After;
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29 import org.junit.Assert;
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30 import org.junit.Before;
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31 import org.junit.Test;
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32
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33 import com.oracle.truffle.api.dsl.Fallback;
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34 import com.oracle.truffle.api.dsl.NodeChild;
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35 import com.oracle.truffle.api.dsl.NodeChildren;
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36 import com.oracle.truffle.api.dsl.Specialization;
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37 import com.oracle.truffle.api.dsl.test.SpecializationFallthroughTestFactory.FallthroughTest0Factory;
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38 import com.oracle.truffle.api.dsl.test.SpecializationFallthroughTestFactory.FallthroughTest1Factory;
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39 import com.oracle.truffle.api.dsl.test.SpecializationFallthroughTestFactory.FallthroughTest2Factory;
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40 import com.oracle.truffle.api.dsl.test.SpecializationFallthroughTestFactory.FallthroughTest3Factory;
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41 import com.oracle.truffle.api.dsl.test.SpecializationFallthroughTestFactory.FallthroughTest4Factory;
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42 import com.oracle.truffle.api.dsl.test.SpecializationFallthroughTestFactory.FallthroughTest5Factory;
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43 import com.oracle.truffle.api.dsl.test.TestHelper.ExecutionListener;
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44 import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode;
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45 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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46 import com.oracle.truffle.api.dsl.test.utilities.InstrumentationTestMode;
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47
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48 public class SpecializationFallthroughTest {
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49
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50 @Before
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51 public void before() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
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52 InstrumentationTestMode.set(true);
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53 }
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54
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55 @After
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56 public void after() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
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57 InstrumentationTestMode.set(false);
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58 }
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59
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60 @Test
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61 public void testFallthrough0() {
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62 assertRuns(FallthroughTest0Factory.getInstance(), //
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63 array(0, 0, 1, 2), //
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64 array(0, 0, 1, 2), //
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65 new ExecutionListener() {
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66 public void afterExecution(TestRootNode<? extends ValueNode> node, int index, Object value, Object expectedResult, Object actualResult, boolean last) {
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67 if (!last) {
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68 return;
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69 }
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70 if (FallthroughTest0.fallthroughCount > 1) {
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71 Assert.fail("The fallthrough case must never be triggered twice. Therfore count must be <= 1, but is not.");
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72 }
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73 }
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74 });
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75 }
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76
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77 @NodeChildren({@NodeChild("a")})
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78 static class FallthroughTest0 extends ValueNode {
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79
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80 static int fallthroughCount = 0;
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81
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82 public FallthroughTest0() {
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83 fallthroughCount = 0;
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84 }
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85
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86 @Specialization(rewriteOn = ArithmeticException.class)
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87 int do1(int a) throws ArithmeticException {
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88 if (a == 0) {
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89 fallthroughCount++;
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90 throw new ArithmeticException();
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91 }
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92 return a;
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93 }
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94
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95 @Fallback
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96 Object doFallback(Object a) {
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97 return a;
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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 * Tests that the fall through is never triggered twice for monomorphic cases.
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103 */
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104 @Test
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105 public void testFallthrough1() {
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106 assertRuns(FallthroughTest1Factory.getInstance(), //
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107 array(0, 0, 0, 1, 2), //
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108 array(0, 0, 0, 1, 2), //
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109 new ExecutionListener() {
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110 public void afterExecution(TestRootNode<? extends ValueNode> node, int index, Object value, Object expectedResult, Object actualResult, boolean last) {
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111 if (!last) {
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112 return;
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113 }
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114 if (FallthroughTest1.fallthroughCount > 1) {
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115 Assert.fail("The fallthrough case must never be triggered twice. Therfore count must be <= 1, but is not.");
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116 }
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117 }
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118 });
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119 }
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120
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121 /* TODO assert falltrough do1 before do2 */
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122 @NodeChildren({@NodeChild("a")})
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123 static class FallthroughTest1 extends ValueNode {
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124
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125 static int fallthroughCount;
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126
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127 public FallthroughTest1() {
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128 fallthroughCount = 0;
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129 }
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130
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131 @Specialization(rewriteOn = ArithmeticException.class)
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132 int do1(int a) throws ArithmeticException {
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133 if (a == 0) {
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134 fallthroughCount++;
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135 throw new ArithmeticException();
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136 }
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137 return a;
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138 }
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139
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140 @Specialization
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141 int do2(int a) {
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142 return a;
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143 }
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144
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145 }
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146
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147 /*
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148 * Tests that the fall through is never triggered twice with two falltrhoughs in one operation.
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149 */
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150 @Test
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151 public void testFallthrough2() {
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152 assertRuns(FallthroughTest2Factory.getInstance(), //
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153 array(0, 0, 1, 1, 2, 2), //
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154 array(0, 0, 1, 1, 2, 2), //
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155 new ExecutionListener() {
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156 public void afterExecution(TestRootNode<? extends ValueNode> node, int index, Object value, Object expectedResult, Object actualResult, boolean last) {
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157 if (!last) {
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158 return;
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159 }
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160 if (FallthroughTest2.fallthrough1 > 1) {
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161 Assert.fail();
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162 }
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163 if (FallthroughTest2.fallthrough2 > 1) {
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164 Assert.fail();
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165 }
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166 FallthroughTest2.fallthrough1 = 0;
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167 FallthroughTest2.fallthrough2 = 0;
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168 }
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169 });
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170 }
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171
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172 @NodeChildren({@NodeChild("a")})
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173 static class FallthroughTest2 extends ValueNode {
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174
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175 static int fallthrough1;
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176 static int fallthrough2;
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177
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178 @Specialization(order = 1, rewriteOn = ArithmeticException.class)
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179 int do1(int a) throws ArithmeticException {
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180 if (a == 0) {
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181 fallthrough1++;
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182 throw new ArithmeticException();
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183 }
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184 return a;
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185 }
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186
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187 @Specialization(order = 2, rewriteOn = ArithmeticException.class)
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188 int do2(int a) throws ArithmeticException {
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189 if (a == 1) {
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190 fallthrough2++;
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191 throw new ArithmeticException();
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192 }
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193 return a;
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194 }
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195
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196 @Specialization
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197 int do3(int a) {
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198 return a;
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199 }
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200 }
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201
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202 /*
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203 * Tests that the fall through is never triggered twice. In this case mixed fallthrough with
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204 * normal specializations.
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205 */
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206 @Test
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207 public void testFallthrough3() {
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208 assertRuns(FallthroughTest3Factory.getInstance(), //
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209 array(0, 0, 1, 1, 2, 2), //
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210 array(0, 0, 1, 1, 2, 2), //
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211 new ExecutionListener() {
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212 public void afterExecution(TestRootNode<? extends ValueNode> node, int index, Object value, Object expectedResult, Object actualResult, boolean last) {
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213 if (!last) {
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214 return;
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215 }
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216 if (FallthroughTest3.fallthrough1 > 1) {
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217 Assert.fail(String.valueOf(FallthroughTest3.fallthrough1));
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218 }
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219 FallthroughTest3.fallthrough1 = 0;
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220 }
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221 });
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222 }
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223
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224 @NodeChildren({@NodeChild("a")})
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225 static class FallthroughTest3 extends ValueNode {
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226
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227 static int fallthrough1;
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228
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229 boolean guard0(int a) {
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230 return a == 1;
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231 }
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232
19283
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
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233 @Specialization(guards = "guard0(a)")
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234 int do2(int a) {
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235 return a;
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236 }
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237
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238 @Specialization(rewriteOn = ArithmeticException.class)
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diff changeset
239 int do1(int a) throws ArithmeticException {
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240 if (a == 0) {
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241 fallthrough1++;
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242 throw new ArithmeticException();
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243 }
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244 return a;
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245 }
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246
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247 @Specialization
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248 int do3(int a) {
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249 return a;
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250 }
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251
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252 }
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253
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254 @Test
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diff changeset
255 public void testFallthrough4() {
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256 assertRuns(FallthroughTest4Factory.getInstance(), //
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diff changeset
257 array(0, 0, 1, 1, 2, 2), //
18163
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diff changeset
258 array(0, 0, 1, 1, 2, 2), //
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diff changeset
259 new ExecutionListener() {
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diff changeset
260 public void afterExecution(TestRootNode<? extends ValueNode> node, int index, Object value, Object expectedResult, Object actualResult, boolean last) {
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diff changeset
261 if (!last) {
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262 return;
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263 }
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diff changeset
264 if (FallthroughTest4.fallthrough1 > 1) {
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diff changeset
265 Assert.fail(String.valueOf(FallthroughTest4.fallthrough1));
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266 }
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diff changeset
267 if (FallthroughTest4.fallthrough2 > 1) {
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diff changeset
268 Assert.fail(String.valueOf(FallthroughTest4.fallthrough1));
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diff changeset
269 }
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270 FallthroughTest4.fallthrough1 = 0;
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271 FallthroughTest4.fallthrough2 = 0;
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272 }
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273 });
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274 }
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275
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276 @NodeChildren({@NodeChild("a")})
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277 static class FallthroughTest4 extends ValueNode {
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278
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279 static int fallthrough1;
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280 static int fallthrough2;
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281
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282 @Specialization(order = 1, rewriteOn = ArithmeticException.class)
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283 int do1(int a) throws ArithmeticException {
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284 if (a == 0) {
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285 fallthrough1++;
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286 throw new ArithmeticException();
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287 }
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288 return a;
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289 }
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290
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291 @Specialization(order = 2, rewriteOn = ArithmeticException.class)
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292 int do2(int a) throws ArithmeticException {
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293 if (a == 1) {
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294 fallthrough2++;
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295 throw new ArithmeticException();
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296 }
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297 return a;
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298 }
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299
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300 @Specialization
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301 int do3(int a) {
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302 return a;
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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 @Test
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308 public void testFallthrough5() {
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309 assertRuns(FallthroughTest5Factory.getInstance(), //
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310 array(0, 0, 1, 1, 2, 2), //
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311 array(0, 0, 1, 1, 2, 2), //
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312 new ExecutionListener() {
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313 public void afterExecution(TestRootNode<? extends ValueNode> node, int index, Object value, Object expectedResult, Object actualResult, boolean last) {
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314 if (!last) {
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315 return;
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316 }
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317 if (FallthroughTest5.fallthrough1 > 1) {
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318 Assert.fail(String.valueOf(FallthroughTest5.fallthrough1));
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319 }
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320 FallthroughTest5.fallthrough1 = 0;
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321 }
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322 });
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323 }
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324
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325 @NodeChildren({@NodeChild("a")})
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326 static class FallthroughTest5 extends ValueNode {
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327
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328 static int fallthrough1;
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329
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330 @Specialization(guards = "isDo1(a)", rewriteOn = ArithmeticException.class)
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331 int do1(int a) throws ArithmeticException {
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332 if (a == 0) {
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333 fallthrough1++;
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334 throw new ArithmeticException();
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335 }
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336 return a;
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337 }
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338
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339 protected static boolean isDo1(int a) {
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340 return a == 0 || a == 1;
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341 }
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342
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343 @Specialization(guards = "isDo1(a)")
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344 int do2(int a) {
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345 return a;
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346 }
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347
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348 @Specialization
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349 int do3(int a) {
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350 return a;
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351 }
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352
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353 }
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354
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355 /* Throwing RuntimeExceptions without rewriteOn is allowed. */
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356 @NodeChildren({@NodeChild("a")})
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357 static class FallthroughExceptionType0 extends ValueNode {
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358
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Christian Humer <christian.humer@gmail.com>
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diff changeset
359 @Specialization
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360 int do4(int a) throws RuntimeException {
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361 return a;
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362 }
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363
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Christian Humer <christian.humer@gmail.com>
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diff changeset
364 }
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Christian Humer <christian.humer@gmail.com>
parents: 18163
diff changeset
365
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366 /* Non runtime exceptions must be verified. */
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Christian Humer <christian.humer@gmail.com>
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diff changeset
367 @NodeChildren({@NodeChild("a")})
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Christian Humer <christian.humer@gmail.com>
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diff changeset
368 static class FallthroughExceptionType1 extends ValueNode {
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369
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370 @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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Christian Humer <christian.humer@gmail.com>
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diff changeset
371 @Specialization(rewriteOn = Throwable.class)
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Christian Humer <christian.humer@gmail.com>
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diff changeset
372 int do4(int a) {
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373 return a;
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374 }
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375
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Christian Humer <christian.humer@gmail.com>
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376 }
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377
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Christian Humer <christian.humer@gmail.com>
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diff changeset
378 /* Checked exception must be verified. */
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Christian Humer <christian.humer@gmail.com>
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diff changeset
379 @NodeChildren({@NodeChild("a")})
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Christian Humer <christian.humer@gmail.com>
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diff changeset
380 static class FallthroughExceptionType2 extends ValueNode {
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381
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Christian Humer <christian.humer@gmail.com>
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diff changeset
382 @ExpectError("A checked exception 'java.lang.Throwable' is thrown but is not specified using the rewriteOn property. "
2c669386b5d0 Truffle-DSL: fix crash if type in rewriteOn is not of type Throwable. Improved error messages for Specialization#rewriteOn.
Christian Humer <christian.humer@gmail.com>
parents: 18163
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383 + "Checked exceptions that are not used for rewriting are not handled by the DSL. Use RuntimeExceptions for this purpose instead.")
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diff changeset
384 @Specialization
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Christian Humer <christian.humer@gmail.com>
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diff changeset
385 int do4(int a) throws Throwable {
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Christian Humer <christian.humer@gmail.com>
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diff changeset
386 return a;
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Christian Humer <christian.humer@gmail.com>
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387 }
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diff changeset
388
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Christian Humer <christian.humer@gmail.com>
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diff changeset
389 }
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diff changeset
390
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391 }