Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/impl/DefaultTruffleRuntime.java @ 17149:0a35e2789735
Truffle: remove unnecessary DefaultTruffleRuntime fields
author | Andreas Woess <andreas.woess@jku.at> |
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date | Wed, 17 Sep 2014 20:57:20 +0200 |
parents | 7b45e33b7986 |
children | 890d284b2771 |
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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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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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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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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5 * This code is free software; you can redistribute it and/or modify it |
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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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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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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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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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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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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.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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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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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.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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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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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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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.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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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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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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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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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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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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22 * or visit www.oracle.com if you need additional information or have any |
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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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23 * questions. |
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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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24 */ |
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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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25 package com.oracle.truffle.api.impl; |
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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.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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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.*; |
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30 import com.oracle.truffle.api.frame.*; |
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31 import com.oracle.truffle.api.nodes.*; |
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32 |
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33 /** |
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34 * Default implementation of the Truffle runtime if the virtual machine does not provide a better |
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35 * performing alternative. |
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36 * <p> |
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37 * This is an implementation-specific class. Do not use or instantiate it. Instead, use |
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38 * {@link Truffle#getRuntime()} to retrieve the current {@link TruffleRuntime}. |
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39 */ |
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40 public final class DefaultTruffleRuntime implements TruffleRuntime { |
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41 |
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42 private ThreadLocal<LinkedList<FrameInstance>> stackTraces = new ThreadLocal<>(); |
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43 private ThreadLocal<FrameInstance> currentFrames = new ThreadLocal<>(); |
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44 private final Map<RootCallTarget, Void> callTargets = Collections.synchronizedMap(new WeakHashMap<RootCallTarget, Void>()); |
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45 |
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46 public DefaultTruffleRuntime() { |
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47 if (Truffle.getRuntime() != null) { |
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48 throw new IllegalArgumentException("Cannot instantiate DefaultTruffleRuntime. Use Truffle.getRuntime() instead."); |
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49 } |
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50 } |
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51 |
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52 @Override |
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53 public String getName() { |
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54 return "Default Truffle Runtime"; |
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55 } |
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56 |
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57 @Override |
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58 public RootCallTarget createCallTarget(RootNode rootNode) { |
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59 DefaultCallTarget target = new DefaultCallTarget(rootNode); |
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60 callTargets.put(target, null); |
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61 return target; |
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62 } |
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63 |
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64 public DirectCallNode createDirectCallNode(CallTarget target) { |
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65 return new DefaultDirectCallNode(target); |
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66 } |
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67 |
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68 public IndirectCallNode createIndirectCallNode() { |
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69 return new DefaultIndirectCallNode(); |
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70 } |
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71 |
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72 @Override |
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73 public VirtualFrame createVirtualFrame(Object[] arguments, FrameDescriptor frameDescriptor) { |
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74 return new DefaultVirtualFrame(frameDescriptor, arguments); |
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75 } |
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76 |
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77 @Override |
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78 public MaterializedFrame createMaterializedFrame(Object[] arguments) { |
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79 return createMaterializedFrame(arguments, new FrameDescriptor()); |
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80 } |
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81 |
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82 @Override |
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83 public MaterializedFrame createMaterializedFrame(Object[] arguments, FrameDescriptor frameDescriptor) { |
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84 return new DefaultMaterializedFrame(new DefaultVirtualFrame(frameDescriptor, arguments)); |
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85 } |
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86 |
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87 @Override |
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88 public Assumption createAssumption() { |
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89 return createAssumption(null); |
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90 } |
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91 |
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92 @Override |
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93 public Assumption createAssumption(String name) { |
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94 return new DefaultAssumption(name); |
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95 } |
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96 |
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97 private LinkedList<FrameInstance> getThreadLocalStackTrace() { |
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98 LinkedList<FrameInstance> result = stackTraces.get(); |
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99 if (result == null) { |
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100 result = new LinkedList<>(); |
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101 stackTraces.set(result); |
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102 } |
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103 return result; |
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104 } |
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105 |
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106 public FrameInstance setCurrentFrame(FrameInstance newValue) { |
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107 FrameInstance oldValue = currentFrames.get(); |
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108 currentFrames.set(newValue); |
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109 return oldValue; |
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110 } |
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111 |
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112 public void pushFrame(FrameInstance frame) { |
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113 getThreadLocalStackTrace().addFirst(frame); |
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114 } |
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115 |
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116 public void popFrame() { |
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117 getThreadLocalStackTrace().removeFirst(); |
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118 } |
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119 |
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120 @Override |
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121 public <T> T iterateFrames(FrameInstanceVisitor<T> visitor) { |
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122 T result = null; |
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123 for (FrameInstance frameInstance : getThreadLocalStackTrace()) { |
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124 result = visitor.visitFrame(frameInstance); |
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125 if (result != null) { |
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126 return result; |
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127 } |
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128 } |
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129 return result; |
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130 } |
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131 |
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132 @Override |
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133 public FrameInstance getCallerFrame() { |
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134 return getThreadLocalStackTrace().peekFirst(); |
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135 } |
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136 |
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137 @Override |
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138 public Collection<RootCallTarget> getCallTargets() { |
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139 return Collections.unmodifiableSet(callTargets.keySet()); |
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140 } |
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141 |
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142 @Override |
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143 public FrameInstance getCurrentFrame() { |
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144 return currentFrames.get(); |
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145 } |
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146 |
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147 public void notifyTransferToInterpreter() { |
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148 } |
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149 |
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150 public LoopNode createLoopNode(RepeatingNode repeating) { |
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151 if (!(repeating instanceof Node)) { |
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152 throw new IllegalArgumentException("Repeating node must be of type Node."); |
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153 } |
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154 return new DefaultLoopNode(repeating); |
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155 } |
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156 } |