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annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/instrument/ExecutionEvents.java @ 15779:8c34e2cc4add

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Truffle/Instrumentation: significant reorganization of the instrumentation framework's implementation and connection to the runtime ExecutionContext, with some new features, including a Tag-based "trap" mechanisms.
author Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date Mon, 19 May 2014 17:14:36 -0700
parents 0c6d8a08e31b
children 1051d6e4b61b
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15279
0c6d8a08e31b Truffle: Major cleanup and extension of the Truffle Instrumentation framework in com.oracle.truffle.api
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1 /*
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2 * Copyright (c) 2013, 2014, 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
0c6d8a08e31b Truffle: Major cleanup and extension of the Truffle Instrumentation framework in com.oracle.truffle.api
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0c6d8a08e31b Truffle: Major cleanup and extension of the Truffle Instrumentation framework in com.oracle.truffle.api
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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
0c6d8a08e31b Truffle: Major cleanup and extension of the Truffle Instrumentation framework in com.oracle.truffle.api
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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.instrument;
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26
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27 import com.oracle.truffle.api.frame.*;
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28 import com.oracle.truffle.api.nodes.*;
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29
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30 /**
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31 * Normal events during program execution at Truffle AST nodes that are reported via a {@link Probe}
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32 * associated with the node, and made available to the probe's attached {@link Instrument}s.
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33 * <p>
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34 * <strong>Disclaimer:</strong> experimental interface under development.
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35 */
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36 public interface ExecutionEvents {
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37
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38 /**
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39 * Notifies that an AST node's execute method has just been entered. Callers should assure that
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40 * a matching call to {@link #leave(Node, VirtualFrame, Object)} always follows.
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41 *
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42 * @param astNode The AST node on which the execute method is being called
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43 * @param frame The frame being passed to the execute method
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44 */
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45 void enter(Node astNode, VirtualFrame frame);
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46
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47 /**
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48 * Notifies that an AST Node's void-valued execute method is about to exit.
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49 * <p>
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50 * Callers should assure (via {@code try/finally}) that a matching call to this method always
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51 * follows a call to {@link #enter(Node, VirtualFrame)}.
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52 *
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53 * @param astNode The AST node on which the execute method is being called
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54 * @param frame The frame that was passed to the execute method
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55 */
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56 void leave(Node astNode, VirtualFrame frame);
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57
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58 /**
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59 * Notifies that an AST Node's boolean-valued execute method is about to exit.
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60 * <p>
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61 * Callers should assure (via {@code try/finally}) that a matching call to this method always
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62 * follows a call to {@link #enter(Node, VirtualFrame)}.
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63 *
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64 * @param astNode The AST node on which the execute method is being called
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65 * @param frame The frame that was passed to the execute method
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66 * @param result The result of the call to the execute method.
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67 */
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68 void leave(Node astNode, VirtualFrame frame, boolean result);
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69
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70 /**
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71 * Notifies that an AST Node's byte-valued execute method is about to exit.
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72 * <p>
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73 * Callers should assure (via {@code try/finally}) that a matching call to this method always
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74 * follows a call to {@link #enter(Node, VirtualFrame)}.
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75 *
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76 * @param astNode The AST node on which the execute method is being called
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77 * @param frame The frame that was passed to the execute method
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78 * @param result The result of the call to the execute method.
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79 */
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80 void leave(Node astNode, VirtualFrame frame, byte result);
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81
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82 /**
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83 * Notifies that an AST Node's short-valued execute method is about to exit.
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84 * <p>
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85 * Callers should assure (via {@code try/finally}) that a matching call to this method always
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86 * follows a call to {@link #enter(Node, VirtualFrame)}.
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87 *
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88 * @param astNode The AST node on which the execute method is being called
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89 * @param frame The frame that was passed to the execute method
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90 * @param result The result of the call to the execute method.
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91 */
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92 void leave(Node astNode, VirtualFrame frame, short result);
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93
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94 /**
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95 * Notifies that an AST Node's integer-valued execute method is about to exit.
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96 * <p>
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97 * Callers should assure (via {@code try/finally}) that a matching call to this method always
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98 * follows a call to {@link #enter(Node, VirtualFrame)}.
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99 *
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100 * @param astNode The AST node on which the execute method is being called
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101 * @param frame The frame that was passed to the execute method
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102 * @param result The result of the call to the execute method.
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103 */
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104 void leave(Node astNode, VirtualFrame frame, int result);
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105
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106 /**
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107 * Notifies that an AST Node's long-valued execute method is about to exit.
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108 * <p>
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109 * Callers should assure (via {@code try/finally}) that a matching call to this method always
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110 * follows a call to {@link #enter(Node, VirtualFrame)}.
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111 *
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112 * @param astNode The AST node on which the execute method is being called
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113 * @param frame The frame that was passed to the execute method
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114 * @param result The result of the call to the execute method.
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115 */
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116 void leave(Node astNode, VirtualFrame frame, long result);
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117
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118 /**
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119 * Notifies that an AST Node's float-valued execute method is about to exit.
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120 * <p>
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121 * Callers should assure (via {@code try/finally}) that a matching call to this method always
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122 * follows a call to {@link #enter(Node, VirtualFrame)}.
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123 *
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124 * @param astNode The AST node on which the execute method is being called
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125 * @param frame The frame that was passed to the execute method
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126 * @param result The result of the call to the execute method.
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127 */
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128 void leave(Node astNode, VirtualFrame frame, float result);
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129
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130 /**
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131 * Notifies that an AST Node's double-valued execute method is about to exit.
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132 * <p>
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133 * Callers should assure (via {@code try/finally}) that a matching call to this method always
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134 * follows a call to {@link #enter(Node, VirtualFrame)}.
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135 *
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136 * @param astNode The AST node on which the execute method is being called
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137 * @param frame The frame that was passed to the execute method
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138 * @param result The result of the call to the execute method.
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139 */
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140 void leave(Node astNode, VirtualFrame frame, double result);
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141
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142 /**
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143 * Notifies that an AST Node's char-valued execute method is about to exit.
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144 * <p>
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145 * Callers should assure (via {@code try/finally}) that a matching call to this method always
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146 * follows a call to {@link #enter(Node, VirtualFrame)}.
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147 *
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148 * @param astNode The AST node on which the execute method is being called
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149 * @param frame The frame that was passed to the execute method
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150 * @param result The result of the call to the execute method.
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151 */
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152 void leave(Node astNode, VirtualFrame frame, char result);
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153
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154 /**
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155 * Notifies that an AST Node's object-valued execute method is about to exit.
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156 * <p>
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157 * Callers should assure (via {@code try/finally}) that a matching call to this method always
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158 * follows a call to {@link #enter(Node, VirtualFrame)}.
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159 *
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160 * @param astNode The AST node on which the execute method is being called
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161 * @param frame The frame that was passed to the execute method
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162 * @param result The result of the call to the execute method.
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163 */
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164 void leave(Node astNode, VirtualFrame frame, Object result);
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165
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166 /**
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167 * Notifies that an AST Node's execute method is about to leave under exceptional conditions,
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168 * returning no value.
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169 * <p>
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170 * Callers should assure (via {@code try/finally}) that a matching call to this method always
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171 * follows a call to {@link #enter(Node, VirtualFrame)}.
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172 *
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173 * @param astNode The AST node on which the execute method is being called
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174 * @param frame The frame that was passed to the execute method
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175 * @param e the exception associated with the unusual return
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176 */
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177 void leaveExceptional(Node astNode, VirtualFrame frame, Exception e);
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178
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179 }