Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/TruffleRuntime.java @ 21522:28cbfacd0518
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author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
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date | Thu, 28 May 2015 17:44:05 +0200 |
parents | 656331a61829 |
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rev | line source |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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1 /* |
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2 * Copyright (c) 2012, 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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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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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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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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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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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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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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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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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; |
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26 |
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27 import java.util.*; |
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28 |
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29 import com.oracle.truffle.api.frame.*; |
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30 import com.oracle.truffle.api.nodes.*; |
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31 |
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32 /** |
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33 * Interface representing a Truffle runtime object. The runtime is responsible for creating call |
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34 * targets and performing optimizations for them. |
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35 */ |
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36 public interface TruffleRuntime { |
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37 |
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38 /** |
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39 * Name describing this runtime implementation for debugging purposes. |
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40 * |
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41 * @return the name as a String |
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42 */ |
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43 String getName(); |
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44 |
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45 /** |
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46 * Creates a new call target for a given root node. |
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47 * |
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48 * @param rootNode the root node whose |
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49 * {@link RootNode#execute(com.oracle.truffle.api.frame.VirtualFrame)} method |
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50 * represents the entry point |
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51 * @return the new call target object |
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52 */ |
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53 RootCallTarget createCallTarget(RootNode rootNode); |
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54 |
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55 /** |
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56 * Creates a new runtime specific version of {@link DirectCallNode}. |
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57 * |
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58 * @param target the direct {@link CallTarget} to call |
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59 * @return the new call node |
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60 */ |
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61 DirectCallNode createDirectCallNode(CallTarget target); |
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62 |
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63 /** |
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64 * Experimental API. May change without notice. |
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65 */ |
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66 LoopNode createLoopNode(RepeatingNode body); |
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67 |
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68 /** |
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69 * Creates a new runtime specific version of {@link IndirectCallNode}. |
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70 * |
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71 * @return the new call node |
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72 */ |
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73 IndirectCallNode createIndirectCallNode(); |
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74 |
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75 /** |
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76 * Creates a new assumption object that can be checked and invalidated. |
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77 * |
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78 * @return the newly created assumption object |
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79 */ |
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80 Assumption createAssumption(); |
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81 |
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82 /** |
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83 * Creates a new assumption object with a given name that can be checked and invalidated. |
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84 * |
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85 * @param name the name for the new assumption |
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86 * @return the newly created assumption object |
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87 */ |
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88 Assumption createAssumption(String name); |
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89 |
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90 /** |
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91 * Creates a new virtual frame object that can be used to store values and is potentially |
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92 * optimizable by the runtime. |
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93 * |
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94 * @return the newly created virtual frame object |
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95 */ |
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96 VirtualFrame createVirtualFrame(Object[] arguments, FrameDescriptor frameDescriptor); |
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97 |
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98 /** |
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99 * Creates a new materialized frame object that can be used to store values. |
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100 * |
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101 * @return the newly created materialized frame object |
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102 */ |
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103 MaterializedFrame createMaterializedFrame(Object[] arguments); |
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104 |
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105 /** |
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106 * Creates a new materialized frame object with the given frame descriptor that can be used to |
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107 * store values. |
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108 * |
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109 * @param frameDescriptor the frame descriptor describing this frame's values |
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110 * @return the newly created materialized frame object |
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111 */ |
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112 MaterializedFrame createMaterializedFrame(Object[] arguments, FrameDescriptor frameDescriptor); |
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113 |
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114 /** |
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115 * Creates an object which allows you to test for support of and set options specific for this |
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116 * runtime. |
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117 * |
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118 * @return the newly created compiler options object |
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119 */ |
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120 CompilerOptions createCompilerOptions(); |
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121 |
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122 /** |
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123 * Accesses the current stack, i.e., the contents of the {@link Frame}s and the associated |
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124 * {@link CallTarget}s. Iteration starts at the caller frame, i.e., it does not include the |
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125 * current frame. |
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126 * |
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127 * Iteration continues as long as {@link FrameInstanceVisitor#visitFrame}, which is invoked for |
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128 * every {@link FrameInstance}, returns null. Any non-null result of the visitor indicates that |
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129 * frame iteration should stop. |
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130 * |
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131 * @param visitor the visitor that is called for every matching frame. |
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132 * @return the last result returned by the visitor (which is non-null to indicate that iteration |
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133 * should stop), or null if the whole stack was iterated. |
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134 */ |
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135 <T> T iterateFrames(FrameInstanceVisitor<T> visitor); |
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136 |
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137 /** |
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138 * Accesses the caller frame. This is a convenience method that returns the first frame that is |
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139 * passed to the visitor of {@link #iterateFrames}. |
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140 */ |
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141 FrameInstance getCallerFrame(); |
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142 |
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143 /** |
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144 * Accesses the current frame, i.e., the frame of the closest {@link CallTarget}. It is |
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145 * important to note that this {@link FrameInstance} supports only slow path access. |
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146 */ |
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147 FrameInstance getCurrentFrame(); |
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148 |
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149 /** |
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150 * Requests a capability from the runtime. |
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151 * |
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152 * @param capability the type of the interface representing the capability |
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153 * @return an implementation of the capability or {@code null} if the runtime does not offer it |
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154 */ |
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155 <T> T getCapability(Class<T> capability); |
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156 |
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157 /** |
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158 * Returns a list of all still referenced {@link RootCallTarget} instances that were created |
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159 * using {@link #createCallTarget(RootNode)}. |
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160 */ |
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161 Collection<RootCallTarget> getCallTargets(); |
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162 |
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163 /** |
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164 * Internal API method. Do not use. |
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165 */ |
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166 void notifyTransferToInterpreter(); |
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167 |
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Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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168 } |