Mercurial > hg > truffle
annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/RootNode.java @ 14073:c5411233cdf8
Truffle: Now keeps track of all not just inlined call-sites called by CallNode. Deprecated some old API in NodeUtil.
author | Christian Humer <christian.humer@gmail.com> |
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date | Wed, 05 Mar 2014 23:33:25 +0100 |
parents | f46cab39a9a2 |
children | cd4595e8a685 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2012, 2013, 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.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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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.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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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.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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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.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
a4b84ba6dc2e
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>
parents:
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
a4b84ba6dc2e
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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14 * version 2 for more details (a copy is included in the LICENSE file that |
a4b84ba6dc2e
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.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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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.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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17 * You should have received a copy of the GNU General Public License version |
a4b84ba6dc2e
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>
parents:
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
a4b84ba6dc2e
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>
parents:
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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.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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20 * |
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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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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.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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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.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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25 package com.oracle.truffle.api.nodes; |
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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 |
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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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32 /** |
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33 * A root node is a node with a method to execute it given only a frame as a parameter. Therefore, a |
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34 * root node can be used to create a call target using |
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35 * {@link TruffleRuntime#createCallTarget(RootNode)}. |
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36 */ |
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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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37 public abstract class RootNode extends Node { |
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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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38 |
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39 private CallTarget callTarget; |
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40 private final FrameDescriptor frameDescriptor; |
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41 |
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42 /* |
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43 * Internal set to keep back-references to the call-sites. |
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44 */ |
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45 private final Set<CallNode> cachedCallNodes = Collections.newSetFromMap(new WeakHashMap<CallNode, Boolean>()); |
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46 |
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47 protected RootNode() { |
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48 this(null, null); |
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49 } |
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50 |
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51 protected RootNode(SourceSection sourceSection) { |
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52 this(sourceSection, null); |
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53 } |
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54 |
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55 protected RootNode(SourceSection sourceSection, FrameDescriptor frameDescriptor) { |
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56 super(sourceSection); |
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57 if (frameDescriptor == null) { |
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58 this.frameDescriptor = new FrameDescriptor(); |
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59 } else { |
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60 this.frameDescriptor = frameDescriptor; |
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61 } |
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62 } |
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63 |
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64 /** |
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65 * @deprecated Not required anymore. Do not use. |
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66 */ |
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67 @Deprecated |
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68 public RootNode inline() { |
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69 if (!isInlinable()) { |
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70 throw new UnsupportedOperationException("Inlining is not enabled."); |
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71 } |
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72 return split(); |
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73 } |
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74 |
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75 /** |
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76 * @deprecated Not required anymore. Do not use. |
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77 */ |
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78 @Deprecated |
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79 public int getInlineNodeCount() { |
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80 return 0; |
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81 } |
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82 |
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83 /** |
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84 * @deprecated Not required anymore. Do not use. |
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85 */ |
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86 @Deprecated |
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87 public boolean isInlinable() { |
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88 return true; |
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89 } |
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90 |
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91 public RootNode split() { |
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92 return NodeUtil.cloneNode(this); |
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93 } |
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94 |
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95 public boolean isSplittable() { |
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96 return false; |
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97 } |
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98 |
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99 /** |
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100 * Reports the execution count of a loop that is a child of this node. The optimization |
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101 * heuristics can use the loop count to guide compilation and inlining. |
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102 */ |
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103 public void reportLoopCount(int count) { |
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104 if (getCallTarget() instanceof LoopCountReceiver) { |
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105 ((LoopCountReceiver) getCallTarget()).reportLoopCount(count); |
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106 } |
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107 } |
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108 |
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109 /** |
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110 * Executes this function using the specified frame and returns the result value. |
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111 * |
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112 * @param frame the frame of the currently executing guest language method |
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113 * @return the value of the execution |
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114 */ |
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115 public abstract Object execute(VirtualFrame frame); |
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116 |
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117 public CallTarget getCallTarget() { |
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118 return callTarget; |
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119 } |
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120 |
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121 public final FrameDescriptor getFrameDescriptor() { |
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122 return frameDescriptor; |
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123 } |
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124 |
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125 public final void setCallTarget(CallTarget callTarget) { |
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126 this.callTarget = callTarget; |
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127 } |
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128 |
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129 /* Internal API. Do not use. */ |
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130 void addCachedCallNode(CallNode callSite) { |
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131 this.cachedCallNodes.add(callSite); |
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132 } |
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133 |
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134 /* Internal API. Do not use. */ |
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135 void removeCachedCallNode(CallNode callSite) { |
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136 this.cachedCallNodes.remove(callSite); |
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137 } |
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138 |
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139 /** |
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140 * Returns a {@link Set} of {@link CallNode} nodes which are created to invoke this RootNode. |
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141 * This method does not make any guarantees to contain all the {@link CallNode} nodes that are |
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142 * invoking this method. Due to its weak nature the elements returned by this method may change |
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143 * with each consecutive call. |
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144 * |
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145 * @return a set of {@link CallNode} nodes |
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146 */ |
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147 public final Set<CallNode> getCachedCallNodes() { |
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148 return Collections.unmodifiableSet(cachedCallNodes); |
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149 } |
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150 |
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151 /** |
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152 * @deprecated use {@link #getCachedCallNodes()} instead. |
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153 */ |
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154 @Deprecated |
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155 public final CallNode getParentInlinedCall() { |
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156 return cachedCallNodes.isEmpty() ? null : cachedCallNodes.iterator().next(); |
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157 } |
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158 } |