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annotate graal/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/vm/ImplicitExplicitExportTest.java @ 21948:f0fe6f0cbccc

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Chris pointed out the copyright should reflect the year of file's creation.
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 17 Jun 2015 09:07:10 +0200
parents 894f82515e38
children
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1 /*
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2 * Copyright (c) 2015, 2015, 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.test.vm;
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24
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25 import static org.junit.Assert.*;
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27 import java.io.*;
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28 import java.util.*;
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30 import org.junit.*;
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31
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32 import com.oracle.truffle.api.*;
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33 import com.oracle.truffle.api.debug.*;
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34 import com.oracle.truffle.api.instrument.*;
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35 import com.oracle.truffle.api.source.*;
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36 import com.oracle.truffle.api.vm.*;
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37
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38 public class ImplicitExplicitExportTest {
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39 private TruffleVM vm;
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40
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41 @Before
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42 public void initializeVM() {
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43 vm = TruffleVM.newVM().build();
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44 assertTrue("Found " + L1 + " language", vm.getLanguages().containsKey(L1));
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45 assertTrue("Found " + L2 + " language", vm.getLanguages().containsKey(L2));
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46 assertTrue("Found " + L3 + " language", vm.getLanguages().containsKey(L3));
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47 }
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48
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49 @Test
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50 public void explicitExportFound() throws IOException {
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51 // @formatter:off
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52 vm.eval(L1,
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53 "explicit.ahoj=42"
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54 );
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55 Object ret = vm.eval(L3,
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56 "return=ahoj"
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57 );
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58 // @formatter:on
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59 assertEquals("42", ret);
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60 }
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61
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62 @Test
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63 public void implicitExportFound() throws IOException {
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64 // @formatter:off
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65 vm.eval(L1,
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66 "implicit.ahoj=42"
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67 );
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68 Object ret = vm.eval(L3,
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69 "return=ahoj"
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70 );
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71 // @formatter:on
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72 assertEquals("42", ret);
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73 }
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74
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75 @Test
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76 public void explicitExportPreferred2() throws IOException {
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77 // @formatter:off
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78 vm.eval(L1,
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79 "implicit.ahoj=42"
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80 );
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81 vm.eval(L2,
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82 "explicit.ahoj=43"
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83 );
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84 Object ret = vm.eval(L3,
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85 "return=ahoj"
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86 );
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87 // @formatter:on
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88 assertEquals("Explicit import from L2 is used", "43", ret);
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89 assertEquals("Global symbol is also 43", "43", vm.findGlobalSymbol("ahoj").invoke(null));
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90 }
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91
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92 @Test
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93 public void explicitExportPreferred1() throws IOException {
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94 // @formatter:off
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95 vm.eval(L1,
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96 "explicit.ahoj=43"
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97 );
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98 vm.eval(L2,
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99 "implicit.ahoj=42"
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100 );
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101 Object ret = vm.eval(L3,
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102 "return=ahoj"
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103 );
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104 // @formatter:on
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105 assertEquals("Explicit import from L2 is used", "43", ret);
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106 assertEquals("Global symbol is also 43", "43", vm.findGlobalSymbol("ahoj").invoke(null));
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107 }
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108
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109 private abstract static class AbstractExportImportLanguage extends TruffleLanguage {
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110 protected AbstractExportImportLanguage(Env env) {
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111 super(env);
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112 }
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113
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114 private final Map<String, String> explicit = new HashMap<>();
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115 private final Map<String, String> implicit = new HashMap<>();
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116
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117 @Override
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118 protected Object eval(Source code) throws IOException {
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119 Properties p = new Properties();
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120 try (Reader r = code.getReader()) {
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121 p.load(r);
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122 }
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123 Enumeration<Object> en = p.keys();
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124 while (en.hasMoreElements()) {
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125 Object n = en.nextElement();
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126 if (n instanceof String) {
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127 String k = (String) n;
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128 if (k.startsWith("explicit.")) {
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129 explicit.put(k.substring(9), p.getProperty(k));
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130 }
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131 if (k.startsWith("implicit.")) {
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132 implicit.put(k.substring(9), p.getProperty(k));
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133 }
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134 if (k.equals("return")) {
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135 return env().importSymbol(p.getProperty(k));
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136 }
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137 }
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138 }
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139 return null;
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140 }
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141
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142 @Override
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143 protected Object findExportedSymbol(String globalName, boolean onlyExplicit) {
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144 if (explicit.containsKey(globalName)) {
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145 return explicit.get(globalName);
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146 }
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147 if (!onlyExplicit && implicit.containsKey(globalName)) {
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148 return implicit.get(globalName);
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149 }
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150 return null;
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151 }
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152
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153 @Override
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154 protected Object getLanguageGlobal() {
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155 return null;
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156 }
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157
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158 @Override
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159 protected boolean isObjectOfLanguage(Object object) {
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160 return false;
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161 }
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162
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163 @Override
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164 protected ToolSupportProvider getToolSupport() {
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165 return null;
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166 }
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167
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168 @Override
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169 protected DebugSupportProvider getDebugSupport() {
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170 return null;
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171 }
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172 }
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173
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174 private static final String L1 = "application/x-test-import-export-1";
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175 private static final String L2 = "application/x-test-import-export-2";
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176 private static final String L3 = "application/x-test-import-export-3";
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177
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178 @TruffleLanguage.Registration(mimeType = L1, name = "ImportExport1", version = "0")
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179 public static final class ExportImportLanguage1 extends AbstractExportImportLanguage {
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180 public ExportImportLanguage1(Env env) {
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181 super(env);
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182 }
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183 }
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184
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185 @TruffleLanguage.Registration(mimeType = L2, name = "ImportExport2", version = "0")
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186 public static final class ExportImportLanguage2 extends AbstractExportImportLanguage {
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187 public ExportImportLanguage2(Env env) {
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188 super(env);
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189 }
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190 }
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191
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192 @TruffleLanguage.Registration(mimeType = L3, name = "ImportExport3", version = "0")
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193 public static final class ExportImportLanguage3 extends AbstractExportImportLanguage {
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194 public ExportImportLanguage3(Env env) {
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195 super(env);
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196 }
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197 }
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198
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199 }