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annotate truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/vm/ImplicitExplicitExportTest.java @ 22121:d045a505c2b3
Asynchronous TruffleVM can be created by providing own Executor when configuring the TruffleVM.Builder
author | Jaroslav Tulach <jaroslav.tulach@oracle.com> |
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date | Wed, 02 Sep 2015 10:44:54 +0200 |
parents | cf19259edf87 |
children | dc83cc1f94f2 ffadd23c63c8 3aad794eec0e |
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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 com.oracle.truffle.api.*; |
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26 import com.oracle.truffle.api.TruffleLanguage.Env; |
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27 import com.oracle.truffle.api.debug.*; |
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28 import com.oracle.truffle.api.instrument.*; |
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29 import com.oracle.truffle.api.nodes.Node; |
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30 import com.oracle.truffle.api.nodes.RootNode; |
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31 import com.oracle.truffle.api.source.*; |
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32 import com.oracle.truffle.api.vm.*; |
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33 import java.io.*; |
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34 import java.util.*; |
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35 import java.util.concurrent.Executors; |
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36 import org.junit.*; |
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37 import static org.junit.Assert.*; |
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38 |
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39 public class ImplicitExplicitExportTest { |
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40 private static Thread mainThread; |
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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 mainThread = Thread.currentThread(); |
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46 vm = TruffleVM.newVM().executor(Executors.newSingleThreadExecutor()).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 @After |
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53 public void cleanThread() { |
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54 mainThread = null; |
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55 } |
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56 |
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57 @Test |
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58 public void explicitExportFound() throws IOException { |
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59 // @formatter:off |
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60 vm.eval(Source.fromText("explicit.ahoj=42", "Fourty two").withMimeType(L1)); |
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61 Object ret = vm.eval( |
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62 Source.fromText("return=ahoj", "Return").withMimeType(L3) |
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63 ).get(); |
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64 // @formatter:on |
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65 assertEquals("42", ret); |
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66 } |
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67 |
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68 @Test |
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69 public void implicitExportFound() throws IOException { |
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70 // @formatter:off |
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71 vm.eval( |
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72 Source.fromText("implicit.ahoj=42", "Fourty two").withMimeType(L1) |
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73 ); |
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74 Object ret = vm.eval( |
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75 Source.fromText("return=ahoj", "Return").withMimeType(L3) |
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76 ).get(); |
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77 // @formatter:on |
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78 assertEquals("42", ret); |
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79 } |
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80 |
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81 @Test |
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82 public void explicitExportPreferred2() throws IOException { |
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83 // @formatter:off |
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84 vm.eval( |
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85 Source.fromText("implicit.ahoj=42", "Fourty two").withMimeType(L1) |
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86 ); |
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87 vm.eval( |
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88 Source.fromText("explicit.ahoj=43", "Fourty three").withMimeType(L2) |
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89 ); |
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90 Object ret = vm.eval( |
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91 Source.fromText("return=ahoj", "Return").withMimeType(L3) |
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92 ).get(); |
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93 // @formatter:on |
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94 assertEquals("Explicit import from L2 is used", "43", ret); |
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95 assertEquals("Global symbol is also 43", "43", vm.findGlobalSymbol("ahoj").get()); |
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96 } |
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97 |
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98 @Test |
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99 public void explicitExportPreferred1() throws IOException { |
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100 // @formatter:off |
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101 vm.eval( |
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102 Source.fromText("explicit.ahoj=43", "Fourty three").withMimeType(L1) |
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103 ); |
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104 vm.eval( |
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105 Source.fromText("implicit.ahoj=42", "Fourty two").withMimeType(L2) |
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106 ); |
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107 Object ret = vm.eval( |
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108 Source.fromText("return=ahoj", "Return").withMimeType(L3) |
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109 ).get(); |
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110 // @formatter:on |
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111 assertEquals("Explicit import from L2 is used", "43", ret); |
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112 assertEquals("Global symbol is also 43", "43", vm.findGlobalSymbol("ahoj").invoke(null).get()); |
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113 } |
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114 |
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115 private static final class Ctx { |
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116 final Map<String, String> explicit = new HashMap<>(); |
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117 final Map<String, String> implicit = new HashMap<>(); |
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118 final Env env; |
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119 |
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120 public Ctx(Env env) { |
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121 this.env = env; |
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122 } |
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123 } |
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124 |
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125 private abstract static class AbstractExportImportLanguage extends TruffleLanguage<Ctx> { |
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126 |
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127 @Override |
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128 protected Ctx createContext(Env env) { |
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129 if (mainThread != null) { |
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130 assertNotEquals("Should run asynchronously", Thread.currentThread(), mainThread); |
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131 } |
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132 return new Ctx(env); |
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133 } |
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134 |
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135 @Override |
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136 protected CallTarget parse(Source code, Node context, String... argumentNames) throws IOException { |
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137 if (code.getCode().startsWith("parse=")) { |
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138 throw new IOException(code.getCode().substring(6)); |
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139 } |
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140 return new ValueCallTarget(code, this); |
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141 } |
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142 |
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143 @Override |
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144 protected Object findExportedSymbol(Ctx context, String globalName, boolean onlyExplicit) { |
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145 if (context.explicit.containsKey(globalName)) { |
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146 return context.explicit.get(globalName); |
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147 } |
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148 if (!onlyExplicit && context.implicit.containsKey(globalName)) { |
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149 return context.implicit.get(globalName); |
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150 } |
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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 Object getLanguageGlobal(Ctx context) { |
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156 return null; |
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157 } |
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158 |
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159 @Override |
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160 protected boolean isObjectOfLanguage(Object object) { |
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161 return false; |
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162 } |
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163 |
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164 @Override |
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165 protected ToolSupportProvider getToolSupport() { |
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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 DebugSupportProvider getDebugSupport() { |
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171 return null; |
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172 } |
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173 |
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174 private Object importExport(Source code) { |
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175 assertNotEquals("Should run asynchronously", Thread.currentThread(), mainThread); |
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176 final Node node = createFindContextNode(); |
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177 Ctx ctx = findContext(node); |
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178 Properties p = new Properties(); |
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179 try (Reader r = code.getReader()) { |
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180 p.load(r); |
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181 } catch (IOException ex) { |
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182 throw new IllegalStateException(ex); |
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183 } |
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184 Enumeration<Object> en = p.keys(); |
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185 while (en.hasMoreElements()) { |
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186 Object n = en.nextElement(); |
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187 if (n instanceof String) { |
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188 String k = (String) n; |
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189 if (k.startsWith("explicit.")) { |
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190 ctx.explicit.put(k.substring(9), p.getProperty(k)); |
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191 } |
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192 if (k.startsWith("implicit.")) { |
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193 ctx.implicit.put(k.substring(9), p.getProperty(k)); |
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194 } |
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195 if (k.equals("return")) { |
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196 return ctx.env.importSymbol(p.getProperty(k)); |
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197 } |
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198 } |
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199 } |
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200 return null; |
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201 } |
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202 } |
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203 |
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204 private static final class ValueCallTarget implements RootCallTarget { |
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205 private final Source code; |
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206 private final AbstractExportImportLanguage language; |
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207 |
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208 private ValueCallTarget(Source code, AbstractExportImportLanguage language) { |
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209 this.code = code; |
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210 this.language = language; |
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211 } |
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212 |
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213 @Override |
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214 public RootNode getRootNode() { |
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215 throw new UnsupportedOperationException(); |
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216 } |
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217 |
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218 @Override |
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219 public Object call(Object... arguments) { |
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220 return language.importExport(code); |
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221 } |
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222 } |
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223 |
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224 static final String L1 = "application/x-test-import-export-1"; |
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225 static final String L2 = "application/x-test-import-export-2"; |
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226 static final String L3 = "application/x-test-import-export-3"; |
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227 |
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228 @TruffleLanguage.Registration(mimeType = L1, name = "ImportExport1", version = "0") |
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229 public static final class ExportImportLanguage1 extends AbstractExportImportLanguage { |
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230 public static final AbstractExportImportLanguage INSTANCE = new ExportImportLanguage1(); |
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231 |
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232 public ExportImportLanguage1() { |
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233 } |
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234 } |
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235 |
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236 @TruffleLanguage.Registration(mimeType = L2, name = "ImportExport2", version = "0") |
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237 public static final class ExportImportLanguage2 extends AbstractExportImportLanguage { |
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238 public static final AbstractExportImportLanguage INSTANCE = new ExportImportLanguage2(); |
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239 |
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240 public ExportImportLanguage2() { |
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241 } |
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242 } |
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243 |
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244 @TruffleLanguage.Registration(mimeType = L3, name = "ImportExport3", version = "0") |
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245 public static final class ExportImportLanguage3 extends AbstractExportImportLanguage { |
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246 public static final AbstractExportImportLanguage INSTANCE = new ExportImportLanguage3(); |
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247 |
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248 private ExportImportLanguage3() { |
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249 } |
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250 } |
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251 |
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252 } |