Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/SpecializationFallthroughTest.java @ 20984:6361fa2e3321
Truffle-DSL: further fixes for polymorphic execute signatures.
author | Christian Humer <christian.humer@oracle.com> |
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date | Wed, 15 Apr 2015 21:13:43 +0200 |
parents | 08aa0372dad4 |
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rev | line source |
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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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142 if (FallthroughTest2.fallthrough1 > 1) { |
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143 Assert.fail(); |
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144 } |
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145 if (FallthroughTest2.fallthrough2 > 1) { |
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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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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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167 } |
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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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189 public void testFallthrough3() { |
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190 assertRuns(FallthroughTest3Factory.getInstance(), // |
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191 array(0, 0, 1, 1, 2, 2), // |
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192 array(0, 0, 1, 1, 2, 2), // |
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193 new ExecutionListener() { |
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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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196 return; |
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197 } |
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198 if (FallthroughTest3.fallthrough1 > 1) { |
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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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203 }); |
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204 } |
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205 |
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206 @NodeChildren({@NodeChild("a")}) |
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207 static class FallthroughTest3 extends ValueNode { |
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208 |
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209 static int fallthrough1; |
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210 |
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211 boolean guard0(int a) { |
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212 return a == 1; |
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213 } |
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214 |
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215 @Specialization(guards = "guard0(a)") |
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216 int do2(int a) { |
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217 return a; |
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218 } |
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219 |
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220 @Specialization(rewriteOn = ArithmeticException.class) |
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221 int do1(int a) throws ArithmeticException { |
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222 if (a == 0) { |
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223 fallthrough1++; |
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224 throw new ArithmeticException(); |
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225 } |
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226 return a; |
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227 } |
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228 |
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229 @Specialization |
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230 int do3(int a) { |
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231 return a; |
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232 } |
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233 |
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234 } |
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235 |
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236 @Test |
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237 public void testFallthrough4() { |
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238 assertRuns(FallthroughTest4Factory.getInstance(), // |
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239 array(0, 0, 1, 1, 2, 2), // |
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c88ab4f1f04a
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240 array(0, 0, 1, 1, 2, 2), // |
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241 new ExecutionListener() { |
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242 public void afterExecution(TestRootNode<? extends ValueNode> node, int index, Object value, Object expectedResult, Object actualResult, boolean last) { |
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243 if (!last) { |
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244 return; |
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245 } |
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246 if (FallthroughTest4.fallthrough1 > 1) { |
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247 Assert.fail(String.valueOf(FallthroughTest4.fallthrough1)); |
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248 } |
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249 if (FallthroughTest4.fallthrough2 > 1) { |
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250 Assert.fail(String.valueOf(FallthroughTest4.fallthrough1)); |
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251 } |
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252 FallthroughTest4.fallthrough1 = 0; |
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253 FallthroughTest4.fallthrough2 = 0; |
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254 } |
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255 }); |
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256 } |
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257 |
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258 @NodeChildren({@NodeChild("a")}) |
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259 static class FallthroughTest4 extends ValueNode { |
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260 |
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261 static int fallthrough1; |
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262 static int fallthrough2; |
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263 |
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264 @Specialization(order = 1, rewriteOn = ArithmeticException.class) |
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265 int do1(int a) throws ArithmeticException { |
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266 if (a == 0) { |
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267 fallthrough1++; |
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268 throw new ArithmeticException(); |
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269 } |
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270 return a; |
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271 } |
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272 |
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273 @Specialization(order = 2, rewriteOn = ArithmeticException.class) |
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274 int do2(int a) throws ArithmeticException { |
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275 if (a == 1) { |
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276 fallthrough2++; |
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277 throw new ArithmeticException(); |
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278 } |
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279 return a; |
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280 } |
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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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Christian Humer <christian.humer@gmail.com>
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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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Christian Humer <christian.humer@gmail.com>
parents:
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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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Christian Humer <christian.humer@gmail.com>
parents:
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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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Christian Humer <christian.humer@gmail.com>
parents:
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366 @Specialization |
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Christian Humer <christian.humer@gmail.com>
parents:
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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 } |