Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/FallbackTest.java @ 21288:b2503e7f2317
improved javadoc
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 11 May 2015 17:10:26 +0200 |
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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.FallbackTestFactory.Fallback1Factory; |
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31 import com.oracle.truffle.api.dsl.test.FallbackTestFactory.Fallback2Factory; |
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32 import com.oracle.truffle.api.dsl.test.FallbackTestFactory.Fallback3Factory; |
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33 import com.oracle.truffle.api.dsl.test.FallbackTestFactory.Fallback4Factory; |
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34 import com.oracle.truffle.api.dsl.test.TypeSystemTest.*; |
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35 import com.oracle.truffle.api.frame.*; |
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36 import com.oracle.truffle.api.nodes.*; |
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37 |
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38 public class FallbackTest { |
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39 |
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40 private static final Object UNKNOWN_OBJECT = new Object() { |
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41 }; |
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42 |
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43 @Test |
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44 public void testFallback1() { |
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45 assertRuns(Fallback1Factory.getInstance(), // |
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46 array(42, UNKNOWN_OBJECT), // |
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47 array("(int)", "(fallback)")); |
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48 } |
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49 |
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50 /** |
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51 * Test with fallback handler defined. |
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52 */ |
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53 @SuppressWarnings("unused") |
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54 @NodeChild("a") |
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55 abstract static class Fallback1 extends ValueNode { |
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56 |
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57 @Override |
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58 public abstract String executeString(VirtualFrame frame); |
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59 |
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60 @Specialization |
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61 String f1(int a) { |
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62 return "(int)"; |
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63 } |
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64 |
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65 @Fallback |
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66 String f2(Object a) { |
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67 return "(fallback)"; |
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68 } |
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69 } |
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70 |
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71 @Test |
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72 public void testFallback2() { |
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73 assertRuns(Fallback2Factory.getInstance(), // |
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74 array(42, UNKNOWN_OBJECT), // |
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75 array("(int)", UnsupportedSpecializationException.class)); |
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76 } |
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77 |
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78 /** |
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79 * Test without fallback handler defined. |
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80 */ |
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81 @SuppressWarnings("unused") |
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82 @NodeChild("a") |
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83 abstract static class Fallback2 extends ValueNode { |
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84 |
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85 @Specialization |
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86 String f1(int a) { |
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87 return "(int)"; |
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88 } |
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89 |
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90 } |
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91 |
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92 @Test |
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93 public void testFallback3() { |
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94 assertRuns(Fallback3Factory.getInstance(), // |
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95 array(42, 43, UNKNOWN_OBJECT, "somestring"), // |
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96 array("(int)", "(int)", "(object)", "(object)")); |
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97 } |
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98 |
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99 /** |
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100 * Test without fallback handler and unreachable. |
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101 */ |
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102 @SuppressWarnings("unused") |
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103 @NodeChild("a") |
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104 abstract static class Fallback3 extends ValueNode { |
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105 |
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106 @Specialization |
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107 String f1(int a) { |
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108 return "(int)"; |
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109 } |
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110 |
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111 @Specialization(guards = "notInt(a)") |
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112 String f2(Object a) { |
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113 return "(object)"; |
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114 } |
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115 |
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116 boolean notInt(Object value) { |
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117 return !(value instanceof Integer); |
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118 } |
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119 |
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120 } |
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121 |
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122 /** |
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123 * Tests the contents of the {@link UnsupportedSpecializationException} contents in polymorphic |
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124 * nodes. |
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125 */ |
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126 @Test |
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127 public void testFallback4() { |
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128 TestRootNode<Fallback4> node = createRoot(Fallback4Factory.getInstance()); |
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129 |
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130 Assert.assertEquals("(int)", executeWith(node, 1)); |
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131 Assert.assertEquals("(boolean)", executeWith(node, true)); |
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132 try { |
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133 executeWith(node, UNKNOWN_OBJECT); |
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134 Assert.fail(); |
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135 } catch (UnsupportedSpecializationException e) { |
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136 Assert.assertEquals(node.getNode(), e.getNode()); |
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137 Assert.assertArrayEquals(NodeUtil.findNodeChildren(node.getNode()).subList(0, 1).toArray(new Node[0]), e.getSuppliedNodes()); |
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138 Assert.assertArrayEquals(new Object[]{UNKNOWN_OBJECT}, e.getSuppliedValues()); |
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139 } |
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140 } |
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141 |
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142 /** |
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143 * Test without fallback handler and unreachable. |
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144 */ |
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145 @SuppressWarnings("unused") |
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146 @NodeChild("a") |
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147 abstract static class Fallback4 extends ValueNode { |
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148 |
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149 @Specialization |
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150 String f1(int a) { |
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151 return "(int)"; |
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152 } |
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153 |
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154 @Specialization |
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155 String f2(boolean a) { |
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156 return "(boolean)"; |
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157 } |
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158 } |
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159 |
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160 /** |
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161 * Tests the contents of the {@link UnsupportedSpecializationException} contents in monomorphic |
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162 * nodes. |
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163 */ |
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164 @Test |
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165 public void testFallback5() { |
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166 TestRootNode<Fallback4> node = createRoot(Fallback4Factory.getInstance()); |
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167 |
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168 Assert.assertEquals("(int)", executeWith(node, 1)); |
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169 try { |
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170 executeWith(node, UNKNOWN_OBJECT); |
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171 Assert.fail(); |
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172 } catch (UnsupportedSpecializationException e) { |
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173 Assert.assertEquals(node.getNode(), e.getNode()); |
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174 Assert.assertArrayEquals(NodeUtil.findNodeChildren(node.getNode()).subList(0, 1).toArray(new Node[0]), e.getSuppliedNodes()); |
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175 Assert.assertArrayEquals(new Object[]{UNKNOWN_OBJECT}, e.getSuppliedValues()); |
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176 } |
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177 } |
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178 |
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179 // test without fallback handler and unreachable |
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180 @SuppressWarnings("unused") |
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181 @NodeChild("a") |
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182 abstract static class Fallback5 extends ValueNode { |
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183 |
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184 @Specialization |
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185 String f1(int a) { |
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186 return "(int)"; |
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187 } |
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188 } |
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189 |
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190 } |