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annotate truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/impl/Accessor.java @ 22046:e7c2d36daf72

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TruffleLanguage.parse method to convert a source to CallTarget. Basic caching to make sure the code is shared among tenants in one JVM.
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Thu, 30 Jul 2015 17:36:34 +0200
parents 09531c471176
children 6dd4ab4d76d3
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1 /*
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2 * Copyright (c) 2014, 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. Oracle designates this
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8 * particular file as subject to the "Classpath" exception as provided
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9 * by Oracle in the LICENSE file that accompanied this code.
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10 *
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11 * This code is distributed in the hope that it will be useful, but WITHOUT
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 * version 2 for more details (a copy is included in the LICENSE file that
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15 * accompanied this code).
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16 *
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17 * You should have received a copy of the GNU General Public License version
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18 * 2 along with this work; if not, write to the Free Software Foundation,
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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20 *
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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22 * or visit www.oracle.com if you need additional information or have any
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23 * questions.
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24 */
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25 package com.oracle.truffle.api.impl;
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26
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27 import java.io.*;
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28 import java.lang.reflect.*;
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29 import java.util.*;
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30
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31 import com.oracle.truffle.api.*;
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32 import com.oracle.truffle.api.debug.*;
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33 import com.oracle.truffle.api.instrument.*;
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34 import com.oracle.truffle.api.nodes.Node;
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35 import com.oracle.truffle.api.nodes.RootNode;
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36 import com.oracle.truffle.api.source.*;
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37 import com.oracle.truffle.api.vm.*;
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38
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39 /**
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40 * Communication between TruffleVM and TruffleLanguage API/SPI.
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41 */
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42 public abstract class Accessor {
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43 private static Accessor API;
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44 private static Accessor SPI;
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45 private static Accessor NODES;
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46 private static Accessor INSTRUMENT;
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47 private static Accessor DEBUG;
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48 private static final ThreadLocal<TruffleVM> CURRENT_VM = new ThreadLocal<>();
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49
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50 static {
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51 TruffleLanguage lng = new TruffleLanguage(null) {
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52 @Override
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53 protected Object findExportedSymbol(String globalName, boolean onlyExplicit) {
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54 return null;
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55 }
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56
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57 @Override
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58 protected Object getLanguageGlobal() {
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59 return null;
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60 }
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61
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62 @Override
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63 protected boolean isObjectOfLanguage(Object object) {
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64 return false;
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65 }
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66
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67 @Override
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68 protected ToolSupportProvider getToolSupport() {
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69 return null;
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70 }
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71
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72 @Override
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73 protected DebugSupportProvider getDebugSupport() {
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74 return null;
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75 }
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76
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77 @Override
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78 protected CallTarget parse(Source code, Node context, String... argumentNames) throws IOException {
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79 throw new IOException();
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80 }
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81 };
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82 lng.hashCode();
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83 new Node(null) {
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84 }.getRootNode();
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85
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86 try {
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87 Class.forName(Debugger.class.getName(), true, Debugger.class.getClassLoader());
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88 } catch (ClassNotFoundException ex) {
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89 throw new IllegalStateException(ex);
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90 }
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91 }
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92
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93 protected Accessor() {
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94 if (this.getClass().getSimpleName().endsWith("API")) {
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95 if (API != null) {
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96 throw new IllegalStateException();
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97 }
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98 API = this;
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99 } else if (this.getClass().getSimpleName().endsWith("Nodes")) {
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100 if (NODES != null) {
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101 throw new IllegalStateException();
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parents: 21983
diff changeset
102 }
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parents: 21983
diff changeset
103 NODES = this;
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parents: 21983
diff changeset
104 } else if (this.getClass().getSimpleName().endsWith("Instrument")) {
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21983
diff changeset
105 if (INSTRUMENT != null) {
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21983
diff changeset
106 throw new IllegalStateException();
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21983
diff changeset
107 }
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Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21983
diff changeset
108 INSTRUMENT = this;
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parents: 21983
diff changeset
109 } else if (this.getClass().getSimpleName().endsWith("Debug")) {
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21983
diff changeset
110 if (DEBUG != null) {
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
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parents: 21983
diff changeset
111 throw new IllegalStateException();
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parents: 21983
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112 }
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Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21983
diff changeset
113 DEBUG = this;
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114 } else {
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parents:
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115 if (SPI != null) {
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116 throw new IllegalStateException();
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117 }
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118 SPI = this;
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119 }
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parents:
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120 }
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121
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3286fb5fea4a Introducing standard I/O and error into Env and using TruffleVM to execute SL test cases. Adding SLTckTest to verify SL language interop.
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122 protected TruffleLanguage attachEnv(TruffleVM vm, Constructor<?> langClazz, Writer stdOut, Writer stdErr, Reader stdIn) {
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123 return API.attachEnv(vm, langClazz, stdOut, stdErr, stdIn);
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124 }
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125
99942eac9c6d Introducing TruffleVM - a central place to invoke code in any registered TruffleLanguage.
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126 protected Object eval(TruffleLanguage l, Source s) throws IOException {
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127 return API.eval(l, s);
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128 }
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129
99942eac9c6d Introducing TruffleVM - a central place to invoke code in any registered TruffleLanguage.
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130 protected Object importSymbol(TruffleVM vm, TruffleLanguage queryingLang, String globalName) {
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131 return SPI.importSymbol(vm, queryingLang, globalName);
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132 }
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133
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2f9e4d984d16 Give languages a chance to do implicit exports. Prefer explicit exports over implicit ones.
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134 protected Object findExportedSymbol(TruffleLanguage l, String globalName, boolean onlyExplicit) {
2f9e4d984d16 Give languages a chance to do implicit exports. Prefer explicit exports over implicit ones.
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diff changeset
135 return API.findExportedSymbol(l, globalName, onlyExplicit);
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136 }
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137
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138 protected Object languageGlobal(TruffleLanguage l) {
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139 return API.languageGlobal(l);
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140 }
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diff changeset
141
21890
894f82515e38 Truffle/APIs and Debugging: Evolutionary steps to integrating debugging and tool support with TruffleVM APIs
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diff changeset
142 protected ToolSupportProvider getToolSupport(TruffleLanguage l) {
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diff changeset
143 return API.getToolSupport(l);
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diff changeset
144 }
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diff changeset
145
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diff changeset
146 protected DebugSupportProvider getDebugSupport(TruffleLanguage l) {
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diff changeset
147 return API.getDebugSupport(l);
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148 }
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diff changeset
149
22003
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diff changeset
150 protected Object invoke(TruffleLanguage lang, Object obj, Object[] args) throws IOException {
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diff changeset
151 for (SymbolInvoker si : ServiceLoader.load(SymbolInvoker.class)) {
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diff changeset
152 return si.invoke(lang, obj, args);
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diff changeset
153 }
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parents:
diff changeset
154 throw new IOException("No symbol invoker found!");
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155 }
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parents:
diff changeset
156
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diff changeset
157 protected Class<? extends TruffleLanguage> findLanguage(RootNode n) {
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diff changeset
158 return NODES.findLanguage(n);
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159 }
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diff changeset
160
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diff changeset
161 protected Class<? extends TruffleLanguage> findLanguage(Probe probe) {
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
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parents: 21983
diff changeset
162 return INSTRUMENT.findLanguage(probe);
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diff changeset
163 }
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parents: 21983
diff changeset
164
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parents: 21983
diff changeset
165 protected TruffleLanguage findLanguage(TruffleVM vm, Class<? extends TruffleLanguage> languageClass) {
22046
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diff changeset
166 if (vm == null) {
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diff changeset
167 vm = CURRENT_VM.get();
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diff changeset
168 if (vm == null) {
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diff changeset
169 throw new IllegalStateException();
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diff changeset
170 }
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parents: 22012
diff changeset
171 }
22012
09531c471176 Making sure the accessor can really find the TruffleLanguage instance by its class
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 22003
diff changeset
172 return SPI.findLanguage(vm, languageClass);
22003
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diff changeset
173 }
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diff changeset
174
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diff changeset
175 protected Closeable executionStart(TruffleVM vm, Debugger[] fillIn, Source s) {
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
176 final Closeable debugClose = DEBUG.executionStart(vm, fillIn, s);
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diff changeset
177 final TruffleVM prev = CURRENT_VM.get();
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diff changeset
178 CURRENT_VM.set(vm);
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diff changeset
179 class ContextCloseable implements Closeable {
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diff changeset
180 @Override
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diff changeset
181 public void close() throws IOException {
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diff changeset
182 CURRENT_VM.set(prev);
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parents: 22012
diff changeset
183 debugClose.close();
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diff changeset
184 }
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diff changeset
185 }
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
186 return new ContextCloseable();
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187 }
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Jaroslav Tulach <jaroslav.tulach@oracle.com>
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diff changeset
188
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diff changeset
189 protected void dispatchEvent(TruffleVM vm, Object event) {
5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
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diff changeset
190 SPI.dispatchEvent(vm, event);
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parents: 21983
diff changeset
191 }
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Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21983
diff changeset
192
21983
b8dffa0113ca Allows debugging and executing any project's unittest from inside of NetBeans. Added --attach localhost:8000 option to allow the JVM to attach to IDE's (and any other) JPDA server.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21951
diff changeset
193 /**
b8dffa0113ca Allows debugging and executing any project's unittest from inside of NetBeans. Added --attach localhost:8000 option to allow the JVM to attach to IDE's (and any other) JPDA server.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21951
diff changeset
194 * Don't call me. I am here only to let NetBeans debug any Truffle project.
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5bc7f7b867ab Making debugger always on for each TruffleVM execution. Introducing EventConsumer to process such debugger events. Requesting each RootNode to be associated with a TruffleLanguage, so debugger can find out proper context for each Node where executions gets suspended.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21983
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195 *
21983
b8dffa0113ca Allows debugging and executing any project's unittest from inside of NetBeans. Added --attach localhost:8000 option to allow the JVM to attach to IDE's (and any other) JPDA server.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21951
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196 * @param args
b8dffa0113ca Allows debugging and executing any project's unittest from inside of NetBeans. Added --attach localhost:8000 option to allow the JVM to attach to IDE's (and any other) JPDA server.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21951
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197 */
b8dffa0113ca Allows debugging and executing any project's unittest from inside of NetBeans. Added --attach localhost:8000 option to allow the JVM to attach to IDE's (and any other) JPDA server.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21951
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198 public static void main(String... args) {
b8dffa0113ca Allows debugging and executing any project's unittest from inside of NetBeans. Added --attach localhost:8000 option to allow the JVM to attach to IDE's (and any other) JPDA server.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21951
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199 throw new IllegalStateException();
b8dffa0113ca Allows debugging and executing any project's unittest from inside of NetBeans. Added --attach localhost:8000 option to allow the JVM to attach to IDE's (and any other) JPDA server.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21951
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200 }
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99942eac9c6d Introducing TruffleVM - a central place to invoke code in any registered TruffleLanguage.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
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201 }