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annotate truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/vm/ImplicitExplicitExportTest.java @ 22424:fec62e298245

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Rename package truffle.api.test to truffle.api to enable package-protected API access for testing.
author Christian Humer <christian.humer@oracle.com>
date Wed, 02 Dec 2015 15:16:27 +0100
parents truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/vm/ImplicitExplicitExportTest.java@906a5f6e07cc
children b39b603e2a1e
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1 /*
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f0fe6f0cbccc 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.vm;
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24
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25 import static org.junit.Assert.assertEquals;
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26 import static org.junit.Assert.assertNotEquals;
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27 import static org.junit.Assert.assertTrue;
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29 import java.io.IOException;
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30 import java.io.Reader;
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31 import java.util.Enumeration;
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32 import java.util.HashMap;
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33 import java.util.HashSet;
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34 import java.util.Map;
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35 import java.util.Properties;
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36 import java.util.Set;
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37 import java.util.concurrent.Executors;
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38
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39 import org.junit.After;
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40 import org.junit.Before;
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41 import org.junit.Test;
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42
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43 import com.oracle.truffle.api.CallTarget;
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44 import com.oracle.truffle.api.RootCallTarget;
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45 import com.oracle.truffle.api.TruffleLanguage;
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46 import com.oracle.truffle.api.TruffleLanguage.Env;
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47 import com.oracle.truffle.api.frame.MaterializedFrame;
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48 import com.oracle.truffle.api.instrument.Visualizer;
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49 import com.oracle.truffle.api.instrument.WrapperNode;
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50 import com.oracle.truffle.api.nodes.Node;
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51 import com.oracle.truffle.api.nodes.RootNode;
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52 import com.oracle.truffle.api.source.Source;
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53 import com.oracle.truffle.api.vm.PolyglotEngine;
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54 import java.util.Objects;
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55
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56 public class ImplicitExplicitExportTest {
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57 private static Thread mainThread;
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58 private PolyglotEngine vm;
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59
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60 @Before
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61 public void initializeVM() {
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62 mainThread = Thread.currentThread();
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63 vm = PolyglotEngine.newBuilder().executor(Executors.newSingleThreadExecutor()).build();
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64 assertTrue("Found " + L1 + " language", vm.getLanguages().containsKey(L1));
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65 assertTrue("Found " + L2 + " language", vm.getLanguages().containsKey(L2));
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66 assertTrue("Found " + L3 + " language", vm.getLanguages().containsKey(L3));
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67 }
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68
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69 @After
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70 public void cleanThread() {
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71 mainThread = null;
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72 }
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73
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74 @Test
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75 public void explicitExportFound() throws IOException {
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76 // @formatter:off
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77 vm.eval(Source.fromText("explicit.ahoj=42", "Fourty two").withMimeType(L1));
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78 Object ret = vm.eval(
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79 Source.fromText("return=ahoj", "Return").withMimeType(L3)
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80 ).get();
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81 // @formatter:on
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82 assertEquals("42", ret);
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83 }
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84
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85 @Test
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86 public void implicitExportFound() throws IOException {
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87 // @formatter:off
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88 vm.eval(
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89 Source.fromText("implicit.ahoj=42", "Fourty two").withMimeType(L1)
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90 );
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91 Object ret = vm.eval(
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92 Source.fromText("return=ahoj", "Return").withMimeType(L3)
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93 ).get();
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94 // @formatter:on
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95 assertEquals("42", ret);
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96 }
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97
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98 @Test
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99 public void explicitExportPreferred2() throws IOException {
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100 // @formatter:off
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101 vm.eval(
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102 Source.fromText("implicit.ahoj=42", "Fourty two").withMimeType(L1)
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103 );
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104 vm.eval(
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105 Source.fromText("explicit.ahoj=43", "Fourty three").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").get());
21716
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113 }
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114
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115 @Test
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116 public void explicitExportPreferred1() throws IOException {
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117 // @formatter:off
22104
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118 vm.eval(
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119 Source.fromText("explicit.ahoj=43", "Fourty three").withMimeType(L1)
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120 );
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121 vm.eval(
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122 Source.fromText("implicit.ahoj=42", "Fourty two").withMimeType(L2)
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123 );
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124 Object ret = vm.eval(
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125 Source.fromText("return=ahoj", "Return").withMimeType(L3)
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126 ).get();
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127 // @formatter:on
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128 assertEquals("Explicit import from L2 is used", "43", ret);
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129 assertEquals("Global symbol is also 43", "43", vm.findGlobalSymbol("ahoj").invoke(null).get());
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130 }
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131
22184
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132 static final class Ctx {
22183
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133 static final Set<Ctx> disposed = new HashSet<>();
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134
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135 final Map<String, String> explicit = new HashMap<>();
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136 final Map<String, String> implicit = new HashMap<>();
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137 final Env env;
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138
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139 public Ctx(Env env) {
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140 this.env = env;
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141 }
22183
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142
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diff changeset
143 void dispose() {
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144 disposed.add(this);
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145 }
22066
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146 }
21716
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147
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148 private abstract static class AbstractExportImportLanguage extends TruffleLanguage<Ctx> {
78c3d3d8d86e Clearly separating the TruffleLanguage definition from context used during its execution. TruffleLanguage now has to have public static field INSTANCE and override createContext method.
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149
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150 @Override
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151 protected Ctx createContext(Env env) {
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152 if (mainThread != null) {
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153 assertNotEquals("Should run asynchronously", Thread.currentThread(), mainThread);
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154 }
22066
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155 return new Ctx(env);
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156 }
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157
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158 @Override
22183
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diff changeset
159 protected void disposeContext(Ctx context) {
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diff changeset
160 context.dispose();
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161 }
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162
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diff changeset
163 @Override
22046
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164 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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diff changeset
165 if (code.getCode().startsWith("parse=")) {
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166 throw new IOException(code.getCode().substring(6));
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167 }
22066
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168 return new ValueCallTarget(code, this);
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169 }
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170
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171 @Override
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diff changeset
172 protected Object findExportedSymbol(Ctx context, String globalName, boolean onlyExplicit) {
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diff changeset
173 if (context.explicit.containsKey(globalName)) {
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174 return context.explicit.get(globalName);
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175 }
22066
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diff changeset
176 if (!onlyExplicit && context.implicit.containsKey(globalName)) {
78c3d3d8d86e Clearly separating the TruffleLanguage definition from context used during its execution. TruffleLanguage now has to have public static field INSTANCE and override createContext method.
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diff changeset
177 return context.implicit.get(globalName);
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178 }
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179 return null;
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180 }
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181
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182 @Override
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diff changeset
183 protected Object getLanguageGlobal(Ctx context) {
21716
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184 return null;
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185 }
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186
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187 @Override
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188 protected boolean isObjectOfLanguage(Object object) {
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189 return false;
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190 }
21890
894f82515e38 Truffle/APIs and Debugging: Evolutionary steps to integrating debugging and tool support with TruffleVM APIs
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191
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diff changeset
192 @Override
22214
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diff changeset
193 protected Visualizer getVisualizer() {
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194 return null;
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195 }
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196
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diff changeset
197 @Override
22220
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diff changeset
198 protected boolean isInstrumentable(Node node) {
20380d1d41f2 Truffle/Instrumentation: second merge of instrumentation code into the TruffleVM framework
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diff changeset
199 return false;
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200 }
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diff changeset
201
20380d1d41f2 Truffle/Instrumentation: second merge of instrumentation code into the TruffleVM framework
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diff changeset
202 @Override
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diff changeset
203 protected WrapperNode createWrapperNode(Node node) {
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diff changeset
204 return null;
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diff changeset
205 }
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diff changeset
206
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diff changeset
207 @Override
22214
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diff changeset
208 protected Object evalInContext(Source source, Node node, MaterializedFrame mFrame) throws IOException {
21890
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209 return null;
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210 }
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diff changeset
211
22046
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diff changeset
212 private Object importExport(Source code) {
22121
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diff changeset
213 assertNotEquals("Should run asynchronously", Thread.currentThread(), mainThread);
22068
fec8f8a61f6c Introducing FindContextNode
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parents: 22066
diff changeset
214 final Node node = createFindContextNode();
22070
a7ca9e9a1d51 Removing VirtualFrame parameter. Documenting.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 22068
diff changeset
215 Ctx ctx = findContext(node);
22046
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diff changeset
216 Properties p = new Properties();
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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parents: 22012
diff changeset
217 try (Reader r = code.getReader()) {
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
218 p.load(r);
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 } catch (IOException ex) {
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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parents: 22012
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220 throw new IllegalStateException(ex);
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221 }
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222 Enumeration<Object> en = p.keys();
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223 while (en.hasMoreElements()) {
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224 Object n = en.nextElement();
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225 if (n instanceof String) {
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226 String k = (String) n;
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227 if (k.startsWith("explicit.")) {
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228 ctx.explicit.put(k.substring(9), p.getProperty(k));
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229 }
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230 if (k.startsWith("implicit.")) {
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231 ctx.implicit.put(k.substring(9), p.getProperty(k));
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232 }
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233 if (k.equals("return")) {
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234 return ctx.env.importSymbol(p.getProperty(k));
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235 }
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236 }
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237 }
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238 return null;
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239 }
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240 }
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241
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242 private static final class ValueCallTarget implements RootCallTarget {
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243 private final Source code;
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244 private final AbstractExportImportLanguage language;
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245
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246 private ValueCallTarget(Source code, AbstractExportImportLanguage language) {
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247 this.code = code;
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248 this.language = language;
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249 }
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250
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251 @Override
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252 public RootNode getRootNode() {
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253 throw new UnsupportedOperationException();
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254 }
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255
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256 @Override
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257 public Object call(Object... arguments) {
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258 return language.importExport(code);
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259 }
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260 }
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261
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262 static final String L1 = "application/x-test-import-export-1";
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263 static final String L2 = "application/x-test-import-export-2";
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264 static final String L3 = "application/x-test-import-export-3";
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265
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266 @TruffleLanguage.Registration(mimeType = L1, name = "ImportExport1", version = "0")
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267 public static final class ExportImportLanguage1 extends AbstractExportImportLanguage {
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268 public static final AbstractExportImportLanguage INSTANCE = new ExportImportLanguage1();
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269
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270 public ExportImportLanguage1() {
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271 }
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272
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273 @Override
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274 protected String toString(Ctx ctx, Object value) {
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275 if (value instanceof String) {
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276 try {
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277 int number = Integer.parseInt((String) value);
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278 return number + ": Int";
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279 } catch (NumberFormatException ex) {
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280 // go on
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281 }
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282 }
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283 return Objects.toString(value);
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284 }
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285 }
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286
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287 @TruffleLanguage.Registration(mimeType = L2, name = "ImportExport2", version = "0")
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288 public static final class ExportImportLanguage2 extends AbstractExportImportLanguage {
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289 public static final AbstractExportImportLanguage INSTANCE = new ExportImportLanguage2();
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290
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291 public ExportImportLanguage2() {
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292 }
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293
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294 @Override
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295 protected String toString(Ctx ctx, Object value) {
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296 if (value instanceof String) {
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297 try {
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298 double number = Double.parseDouble((String) value);
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299 return number + ": Double";
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300 } catch (NumberFormatException ex) {
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301 // go on
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302 }
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303 }
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304 return Objects.toString(value);
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305 }
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306 }
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307
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308 @TruffleLanguage.Registration(mimeType = L3, name = "ImportExport3", version = "0")
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diff changeset
309 public static final class ExportImportLanguage3 extends AbstractExportImportLanguage {
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310 public static final AbstractExportImportLanguage INSTANCE = new ExportImportLanguage3();
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311
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diff changeset
312 private ExportImportLanguage3() {
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313 }
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314 }
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315
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316 }