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annotate truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/vm/ImplicitExplicitExportTest.java @ 22046:e7c2d36daf72

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TruffleLanguage.parse method to convert a source to CallTarget. Basic caching to make sure the code is shared among tenants in one JVM.
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Thu, 30 Jul 2015 17:36:34 +0200
parents 09531c471176
children 78c3d3d8d86e
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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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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.nodes.Node;
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36 import com.oracle.truffle.api.nodes.RootNode;
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37 import com.oracle.truffle.api.source.*;
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38 import com.oracle.truffle.api.vm.*;
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39
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40 public class ImplicitExplicitExportTest {
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41 private TruffleVM vm;
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42
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43 @Before
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44 public void initializeVM() {
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45 vm = TruffleVM.newVM().build();
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46 assertTrue("Found " + L1 + " language", vm.getLanguages().containsKey(L1));
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47 assertTrue("Found " + L2 + " language", vm.getLanguages().containsKey(L2));
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48 assertTrue("Found " + L3 + " language", vm.getLanguages().containsKey(L3));
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49 }
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50
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51 @Test
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52 public void explicitExportFound() throws IOException {
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53 // @formatter:off
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54 vm.eval(L1,
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55 "explicit.ahoj=42"
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56 );
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57 Object ret = vm.eval(L3,
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58 "return=ahoj"
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59 );
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60 // @formatter:on
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61 assertEquals("42", ret);
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62 }
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63
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64 @Test
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65 public void implicitExportFound() throws IOException {
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66 // @formatter:off
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67 vm.eval(L1,
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68 "implicit.ahoj=42"
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69 );
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70 Object ret = vm.eval(L3,
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71 "return=ahoj"
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72 );
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73 // @formatter:on
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74 assertEquals("42", ret);
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75 }
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76
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77 @Test
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78 public void explicitExportPreferred2() throws IOException {
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79 // @formatter:off
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80 vm.eval(L1,
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81 "implicit.ahoj=42"
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82 );
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83 vm.eval(L2,
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84 "explicit.ahoj=43"
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85 );
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86 Object ret = vm.eval(L3,
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87 "return=ahoj"
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88 );
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89 // @formatter:on
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90 assertEquals("Explicit import from L2 is used", "43", ret);
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91 assertEquals("Global symbol is also 43", "43", vm.findGlobalSymbol("ahoj").invoke(null));
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92 }
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93
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94 @Test
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95 public void explicitExportPreferred1() throws IOException {
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96 // @formatter:off
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97 vm.eval(L1,
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98 "explicit.ahoj=43"
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99 );
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100 vm.eval(L2,
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101 "implicit.ahoj=42"
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102 );
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103 Object ret = vm.eval(L3,
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104 "return=ahoj"
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105 );
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106 // @formatter:on
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107 assertEquals("Explicit import from L2 is used", "43", ret);
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108 assertEquals("Global symbol is also 43", "43", vm.findGlobalSymbol("ahoj").invoke(null));
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109 }
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110
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111 private abstract static class AbstractExportImportLanguage extends TruffleLanguage {
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112 protected AbstractExportImportLanguage(Env env) {
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113 super(env);
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114 }
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115
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116 private final Map<String, String> explicit = new HashMap<>();
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117 private final Map<String, String> implicit = new HashMap<>();
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118
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119 @Override
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120 protected CallTarget parse(Source code, Node context, String... argumentNames) throws IOException {
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121 return new ValueCallTarget(code, getClass());
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122 }
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123
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124 @Override
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125 protected Object findExportedSymbol(String globalName, boolean onlyExplicit) {
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126 if (explicit.containsKey(globalName)) {
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127 return explicit.get(globalName);
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128 }
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129 if (!onlyExplicit && implicit.containsKey(globalName)) {
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130 return implicit.get(globalName);
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131 }
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132 return null;
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133 }
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134
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135 public static <Language extends TruffleLanguage> Language findContext(Class<Language> type) {
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136 return TruffleLanguage.findContext(type);
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137 }
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138
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139 @Override
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140 protected Object getLanguageGlobal() {
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141 return null;
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142 }
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143
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144 @Override
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145 protected boolean isObjectOfLanguage(Object object) {
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146 return false;
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147 }
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148
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149 @Override
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150 protected ToolSupportProvider getToolSupport() {
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151 return null;
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152 }
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153
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154 @Override
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155 protected DebugSupportProvider getDebugSupport() {
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156 return null;
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157 }
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158
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159 private Object importExport(Source code) {
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160 Properties p = new Properties();
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161 try (Reader r = code.getReader()) {
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162 p.load(r);
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163 } catch (IOException ex) {
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164 throw new IllegalStateException(ex);
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165 }
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166 Enumeration<Object> en = p.keys();
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167 while (en.hasMoreElements()) {
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168 Object n = en.nextElement();
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169 if (n instanceof String) {
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170 String k = (String) n;
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171 if (k.startsWith("explicit.")) {
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172 explicit.put(k.substring(9), p.getProperty(k));
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173 }
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174 if (k.startsWith("implicit.")) {
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175 implicit.put(k.substring(9), p.getProperty(k));
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176 }
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177 if (k.equals("return")) {
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178 return env().importSymbol(p.getProperty(k));
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179 }
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180 }
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181 }
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182 return null;
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183 }
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184 }
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185
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186 private static final class ValueCallTarget implements RootCallTarget {
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187 private final Source code;
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188 private final Class<? extends AbstractExportImportLanguage> language;
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189
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190 private ValueCallTarget(Source code, Class<? extends AbstractExportImportLanguage> language) {
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191 this.code = code;
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192 this.language = language;
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193 }
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194
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195 @Override
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196 public RootNode getRootNode() {
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197 throw new UnsupportedOperationException();
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198 }
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199
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200 @Override
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201 public Object call(Object... arguments) {
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202 AbstractExportImportLanguage context = AbstractExportImportLanguage.findContext(language);
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203 return context.importExport(code);
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204 }
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205 }
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206
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diff changeset
207 static final String L1 = "application/x-test-import-export-1";
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208 private static final String L2 = "application/x-test-import-export-2";
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209 private static final String L3 = "application/x-test-import-export-3";
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210
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diff changeset
211 @TruffleLanguage.Registration(mimeType = L1, name = "ImportExport1", version = "0")
21716
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212 public static final class ExportImportLanguage1 extends AbstractExportImportLanguage {
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213 public ExportImportLanguage1(Env env) {
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diff changeset
214 super(env);
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215 }
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216 }
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217
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diff changeset
218 @TruffleLanguage.Registration(mimeType = L2, name = "ImportExport2", version = "0")
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219 public static final class ExportImportLanguage2 extends AbstractExportImportLanguage {
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diff changeset
220 public ExportImportLanguage2(Env env) {
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diff changeset
221 super(env);
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222 }
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223 }
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diff changeset
224
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225 @TruffleLanguage.Registration(mimeType = L3, name = "ImportExport3", version = "0")
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226 public static final class ExportImportLanguage3 extends AbstractExportImportLanguage {
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227 public ExportImportLanguage3(Env env) {
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Jaroslav Tulach <jaroslav.tulach@oracle.com>
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228 super(env);
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229 }
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230 }
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Jaroslav Tulach <jaroslav.tulach@oracle.com>
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231
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232 }