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annotate truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/vm/ImplicitExplicitExportTest.java @ 22157:dc83cc1f94f2

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Using fully qualified imports
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 16 Sep 2015 11:33:22 +0200
parents d045a505c2b3
children dcb70d90c11d 1421041175a7 1c0f490984d5
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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 com.oracle.truffle.api.CallTarget;
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26 import com.oracle.truffle.api.RootCallTarget;
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27 import com.oracle.truffle.api.TruffleLanguage;
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28 import com.oracle.truffle.api.TruffleLanguage.Env;
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29 import com.oracle.truffle.api.debug.DebugSupportProvider;
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30 import com.oracle.truffle.api.instrument.ToolSupportProvider;
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31 import com.oracle.truffle.api.nodes.Node;
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32 import com.oracle.truffle.api.nodes.RootNode;
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33 import com.oracle.truffle.api.source.Source;
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34 import com.oracle.truffle.api.vm.TruffleVM;
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35 import java.io.IOException;
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36 import java.io.Reader;
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37 import java.util.Enumeration;
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38 import java.util.HashMap;
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39 import java.util.Map;
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40 import java.util.Properties;
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41 import java.util.concurrent.Executors;
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42 import org.junit.After;
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43 import static org.junit.Assert.assertEquals;
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44 import static org.junit.Assert.assertNotEquals;
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45 import static org.junit.Assert.assertTrue;
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46 import org.junit.Before;
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47 import org.junit.Test;
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48
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49 public class ImplicitExplicitExportTest {
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50 private static Thread mainThread;
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51 private TruffleVM vm;
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52
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53 @Before
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54 public void initializeVM() {
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55 mainThread = Thread.currentThread();
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56 vm = TruffleVM.newVM().executor(Executors.newSingleThreadExecutor()).build();
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57 assertTrue("Found " + L1 + " language", vm.getLanguages().containsKey(L1));
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58 assertTrue("Found " + L2 + " language", vm.getLanguages().containsKey(L2));
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59 assertTrue("Found " + L3 + " language", vm.getLanguages().containsKey(L3));
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60 }
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61
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62 @After
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63 public void cleanThread() {
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64 mainThread = null;
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65 }
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66
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67 @Test
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68 public void explicitExportFound() throws IOException {
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69 // @formatter:off
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70 vm.eval(Source.fromText("explicit.ahoj=42", "Fourty two").withMimeType(L1));
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71 Object ret = vm.eval(
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72 Source.fromText("return=ahoj", "Return").withMimeType(L3)
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73 ).get();
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74 // @formatter:on
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75 assertEquals("42", ret);
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76 }
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77
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78 @Test
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79 public void implicitExportFound() throws IOException {
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80 // @formatter:off
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81 vm.eval(
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82 Source.fromText("implicit.ahoj=42", "Fourty two").withMimeType(L1)
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83 );
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84 Object ret = vm.eval(
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85 Source.fromText("return=ahoj", "Return").withMimeType(L3)
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86 ).get();
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87 // @formatter:on
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88 assertEquals("42", ret);
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89 }
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90
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91 @Test
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92 public void explicitExportPreferred2() throws IOException {
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93 // @formatter:off
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94 vm.eval(
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95 Source.fromText("implicit.ahoj=42", "Fourty two").withMimeType(L1)
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96 );
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97 vm.eval(
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98 Source.fromText("explicit.ahoj=43", "Fourty three").withMimeType(L2)
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99 );
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100 Object ret = vm.eval(
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101 Source.fromText("return=ahoj", "Return").withMimeType(L3)
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102 ).get();
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103 // @formatter:on
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104 assertEquals("Explicit import from L2 is used", "43", ret);
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105 assertEquals("Global symbol is also 43", "43", vm.findGlobalSymbol("ahoj").get());
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106 }
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107
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108 @Test
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109 public void explicitExportPreferred1() throws IOException {
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110 // @formatter:off
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111 vm.eval(
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112 Source.fromText("explicit.ahoj=43", "Fourty three").withMimeType(L1)
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113 );
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114 vm.eval(
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115 Source.fromText("implicit.ahoj=42", "Fourty two").withMimeType(L2)
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116 );
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117 Object ret = vm.eval(
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118 Source.fromText("return=ahoj", "Return").withMimeType(L3)
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119 ).get();
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120 // @formatter:on
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121 assertEquals("Explicit import from L2 is used", "43", ret);
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122 assertEquals("Global symbol is also 43", "43", vm.findGlobalSymbol("ahoj").invoke(null).get());
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123 }
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124
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125 private static final class Ctx {
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126 final Map<String, String> explicit = new HashMap<>();
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127 final Map<String, String> implicit = new HashMap<>();
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128 final Env env;
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129
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130 public Ctx(Env env) {
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131 this.env = env;
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132 }
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133 }
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134
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135 private abstract static class AbstractExportImportLanguage extends TruffleLanguage<Ctx> {
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136
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137 @Override
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138 protected Ctx createContext(Env env) {
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139 if (mainThread != null) {
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140 assertNotEquals("Should run asynchronously", Thread.currentThread(), mainThread);
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141 }
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142 return new Ctx(env);
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143 }
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144
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145 @Override
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146 protected CallTarget parse(Source code, Node context, String... argumentNames) throws IOException {
22081
ff531952a91c Making sure IOException from TruffleLanguage.parse method is correctly propagated to TruffleVM.eval caller.
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147 if (code.getCode().startsWith("parse=")) {
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148 throw new IOException(code.getCode().substring(6));
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149 }
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150 return new ValueCallTarget(code, this);
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151 }
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152
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153 @Override
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154 protected Object findExportedSymbol(Ctx context, String globalName, boolean onlyExplicit) {
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155 if (context.explicit.containsKey(globalName)) {
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156 return context.explicit.get(globalName);
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157 }
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158 if (!onlyExplicit && context.implicit.containsKey(globalName)) {
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159 return context.implicit.get(globalName);
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160 }
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161 return null;
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162 }
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163
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164 @Override
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165 protected Object getLanguageGlobal(Ctx context) {
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166 return null;
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167 }
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168
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169 @Override
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170 protected boolean isObjectOfLanguage(Object object) {
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171 return false;
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172 }
21890
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173
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174 @Override
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175 protected ToolSupportProvider getToolSupport() {
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176 return null;
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177 }
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178
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179 @Override
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180 protected DebugSupportProvider getDebugSupport() {
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181 return null;
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182 }
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183
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184 private Object importExport(Source code) {
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diff changeset
185 assertNotEquals("Should run asynchronously", Thread.currentThread(), mainThread);
22068
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186 final Node node = createFindContextNode();
22070
a7ca9e9a1d51 Removing VirtualFrame parameter. Documenting.
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187 Ctx ctx = findContext(node);
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188 Properties p = new Properties();
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diff changeset
189 try (Reader r = code.getReader()) {
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190 p.load(r);
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191 } catch (IOException ex) {
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192 throw new IllegalStateException(ex);
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193 }
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diff changeset
194 Enumeration<Object> en = p.keys();
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diff changeset
195 while (en.hasMoreElements()) {
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diff changeset
196 Object n = en.nextElement();
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diff changeset
197 if (n instanceof String) {
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diff changeset
198 String k = (String) n;
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diff changeset
199 if (k.startsWith("explicit.")) {
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200 ctx.explicit.put(k.substring(9), p.getProperty(k));
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201 }
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diff changeset
202 if (k.startsWith("implicit.")) {
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diff changeset
203 ctx.implicit.put(k.substring(9), p.getProperty(k));
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diff changeset
204 }
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diff changeset
205 if (k.equals("return")) {
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diff changeset
206 return ctx.env.importSymbol(p.getProperty(k));
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diff changeset
207 }
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diff changeset
208 }
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diff changeset
209 }
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diff changeset
210 return null;
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diff changeset
211 }
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diff changeset
212 }
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diff changeset
213
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diff changeset
214 private static final class ValueCallTarget implements RootCallTarget {
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diff changeset
215 private final Source code;
22066
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diff changeset
216 private final AbstractExportImportLanguage language;
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diff changeset
217
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diff changeset
218 private ValueCallTarget(Source code, AbstractExportImportLanguage language) {
22046
e7c2d36daf72 TruffleLanguage.parse method to convert a source to CallTarget. Basic caching to make sure the code is shared among tenants in one JVM.
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diff changeset
219 this.code = code;
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220 this.language = language;
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221 }
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222
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223 @Override
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224 public RootNode getRootNode() {
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225 throw new UnsupportedOperationException();
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226 }
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227
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228 @Override
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229 public Object call(Object... arguments) {
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230 return language.importExport(code);
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231 }
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232 }
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233
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234 static final String L1 = "application/x-test-import-export-1";
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235 static final String L2 = "application/x-test-import-export-2";
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236 static final String L3 = "application/x-test-import-export-3";
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237
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238 @TruffleLanguage.Registration(mimeType = L1, name = "ImportExport1", version = "0")
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239 public static final class ExportImportLanguage1 extends AbstractExportImportLanguage {
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240 public static final AbstractExportImportLanguage INSTANCE = new ExportImportLanguage1();
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241
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242 public ExportImportLanguage1() {
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243 }
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244 }
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245
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246 @TruffleLanguage.Registration(mimeType = L2, name = "ImportExport2", version = "0")
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247 public static final class ExportImportLanguage2 extends AbstractExportImportLanguage {
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248 public static final AbstractExportImportLanguage INSTANCE = new ExportImportLanguage2();
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249
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250 public ExportImportLanguage2() {
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251 }
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252 }
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253
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254 @TruffleLanguage.Registration(mimeType = L3, name = "ImportExport3", version = "0")
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255 public static final class ExportImportLanguage3 extends AbstractExportImportLanguage {
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256 public static final AbstractExportImportLanguage INSTANCE = new ExportImportLanguage3();
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257
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258 private ExportImportLanguage3() {
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259 }
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260 }
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261
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262 }