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annotate truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/vm/ImplicitExplicitExportTest.java @ 22095:643d53cb3147
TruffleVM.Builder.globalSymbol for a way to pass initial configuration parameters to languages
author | Jaroslav Tulach <jaroslav.tulach@oracle.com> |
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date | Thu, 13 Aug 2015 10:27:30 +0200 |
parents | a7ca9e9a1d51 |
children | 1e78795e7e6a |
rev | line source |
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1 /* |
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Chris pointed out the copyright should reflect the year of file's creation.
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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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26 |
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27 import java.io.*; |
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28 import java.util.*; |
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29 |
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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.TruffleLanguage.Env; |
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34 import com.oracle.truffle.api.debug.*; |
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35 import com.oracle.truffle.api.instrument.*; |
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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.
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36 import com.oracle.truffle.api.nodes.Node; |
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37 import com.oracle.truffle.api.nodes.RootNode; |
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38 import com.oracle.truffle.api.source.*; |
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39 import com.oracle.truffle.api.vm.*; |
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40 |
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41 public class ImplicitExplicitExportTest { |
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42 private TruffleVM vm; |
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43 |
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44 @Before |
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45 public void initializeVM() { |
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46 vm = TruffleVM.newVM().build(); |
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47 assertTrue("Found " + L1 + " language", vm.getLanguages().containsKey(L1)); |
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48 assertTrue("Found " + L2 + " language", vm.getLanguages().containsKey(L2)); |
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49 assertTrue("Found " + L3 + " language", vm.getLanguages().containsKey(L3)); |
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50 } |
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51 |
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52 @Test |
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53 public void explicitExportFound() throws IOException { |
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54 // @formatter:off |
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55 vm.eval(L1, |
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56 "explicit.ahoj=42" |
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57 ); |
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58 Object ret = vm.eval(L3, |
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59 "return=ahoj" |
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60 ); |
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61 // @formatter:on |
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62 assertEquals("42", ret); |
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63 } |
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64 |
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65 @Test |
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66 public void implicitExportFound() throws IOException { |
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67 // @formatter:off |
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68 vm.eval(L1, |
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69 "implicit.ahoj=42" |
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70 ); |
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71 Object ret = vm.eval(L3, |
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72 "return=ahoj" |
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73 ); |
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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 explicitExportPreferred2() throws IOException { |
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80 // @formatter:off |
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81 vm.eval(L1, |
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82 "implicit.ahoj=42" |
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83 ); |
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84 vm.eval(L2, |
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85 "explicit.ahoj=43" |
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86 ); |
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87 Object ret = vm.eval(L3, |
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88 "return=ahoj" |
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89 ); |
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90 // @formatter:on |
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91 assertEquals("Explicit import from L2 is used", "43", ret); |
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92 assertEquals("Global symbol is also 43", "43", vm.findGlobalSymbol("ahoj").invoke(null)); |
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93 } |
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94 |
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95 @Test |
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96 public void explicitExportPreferred1() throws IOException { |
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97 // @formatter:off |
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98 vm.eval(L1, |
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99 "explicit.ahoj=43" |
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100 ); |
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101 vm.eval(L2, |
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102 "implicit.ahoj=42" |
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103 ); |
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104 Object ret = vm.eval(L3, |
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105 "return=ahoj" |
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106 ); |
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107 // @formatter:on |
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108 assertEquals("Explicit import from L2 is used", "43", ret); |
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109 assertEquals("Global symbol is also 43", "43", vm.findGlobalSymbol("ahoj").invoke(null)); |
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110 } |
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111 |
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112 private static final class Ctx { |
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113 final Map<String, String> explicit = new HashMap<>(); |
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114 final Map<String, String> implicit = new HashMap<>(); |
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115 final Env env; |
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116 |
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117 public Ctx(Env env) { |
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118 this.env = env; |
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119 } |
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120 } |
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121 |
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122 private abstract static class AbstractExportImportLanguage extends TruffleLanguage<Ctx> { |
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123 |
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124 @Override |
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125 protected Ctx createContext(Env env) { |
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126 return new Ctx(env); |
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127 } |
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128 |
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129 @Override |
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130 protected CallTarget parse(Source code, Node context, String... argumentNames) throws IOException { |
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131 return new ValueCallTarget(code, this); |
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132 } |
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133 |
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134 @Override |
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135 protected Object findExportedSymbol(Ctx context, String globalName, boolean onlyExplicit) { |
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136 if (context.explicit.containsKey(globalName)) { |
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137 return context.explicit.get(globalName); |
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138 } |
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139 if (!onlyExplicit && context.implicit.containsKey(globalName)) { |
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140 return context.implicit.get(globalName); |
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141 } |
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142 return null; |
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143 } |
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144 |
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145 @Override |
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146 protected Object getLanguageGlobal(Ctx context) { |
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147 return null; |
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148 } |
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149 |
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150 @Override |
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151 protected boolean isObjectOfLanguage(Object object) { |
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152 return false; |
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153 } |
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154 |
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155 @Override |
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156 protected ToolSupportProvider getToolSupport() { |
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157 return null; |
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158 } |
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159 |
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160 @Override |
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161 protected DebugSupportProvider getDebugSupport() { |
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162 return null; |
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163 } |
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164 |
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165 private Object importExport(Source code) { |
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166 final Node node = createFindContextNode(); |
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167 Ctx ctx = findContext(node); |
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168 Properties p = new Properties(); |
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169 try (Reader r = code.getReader()) { |
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170 p.load(r); |
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171 } catch (IOException ex) { |
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172 throw new IllegalStateException(ex); |
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173 } |
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174 Enumeration<Object> en = p.keys(); |
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175 while (en.hasMoreElements()) { |
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176 Object n = en.nextElement(); |
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177 if (n instanceof String) { |
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178 String k = (String) n; |
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179 if (k.startsWith("explicit.")) { |
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180 ctx.explicit.put(k.substring(9), p.getProperty(k)); |
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181 } |
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182 if (k.startsWith("implicit.")) { |
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183 ctx.implicit.put(k.substring(9), p.getProperty(k)); |
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184 } |
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185 if (k.equals("return")) { |
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186 return ctx.env.importSymbol(p.getProperty(k)); |
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187 } |
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188 } |
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189 } |
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190 return null; |
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191 } |
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192 } |
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193 |
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194 private static final class ValueCallTarget implements RootCallTarget { |
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195 private final Source code; |
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196 private final AbstractExportImportLanguage language; |
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197 |
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198 private ValueCallTarget(Source code, AbstractExportImportLanguage language) { |
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199 this.code = code; |
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200 this.language = language; |
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201 } |
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202 |
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203 @Override |
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204 public RootNode getRootNode() { |
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205 throw new UnsupportedOperationException(); |
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206 } |
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207 |
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208 @Override |
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209 public Object call(Object... arguments) { |
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210 return language.importExport(code); |
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211 } |
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212 } |
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213 |
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214 static final String L1 = "application/x-test-import-export-1"; |
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215 static final String L2 = "application/x-test-import-export-2"; |
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216 static final String L3 = "application/x-test-import-export-3"; |
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217 |
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218 @TruffleLanguage.Registration(mimeType = L1, name = "ImportExport1", version = "0") |
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219 public static final class ExportImportLanguage1 extends AbstractExportImportLanguage { |
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220 public static final AbstractExportImportLanguage INSTANCE = new ExportImportLanguage1(); |
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221 |
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222 public ExportImportLanguage1() { |
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223 } |
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224 } |
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225 |
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226 @TruffleLanguage.Registration(mimeType = L2, name = "ImportExport2", version = "0") |
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227 public static final class ExportImportLanguage2 extends AbstractExportImportLanguage { |
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228 public static final AbstractExportImportLanguage INSTANCE = new ExportImportLanguage2(); |
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229 |
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230 public ExportImportLanguage2() { |
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231 } |
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232 } |
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233 |
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234 @TruffleLanguage.Registration(mimeType = L3, name = "ImportExport3", version = "0") |
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235 public static final class ExportImportLanguage3 extends AbstractExportImportLanguage { |
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236 public static final AbstractExportImportLanguage INSTANCE = new ExportImportLanguage3(); |
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237 |
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238 private ExportImportLanguage3() { |
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239 } |
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240 } |
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241 |
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242 } |