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annotate truffle/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/instrument/SLExpressionWrapperNode.java @ 22157:dc83cc1f94f2

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Using fully qualified imports
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 16 Sep 2015 11:33:22 +0200
parents 503529c65456
children c896a8e70777
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 * Copyright (c) 2012, 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 * The Universal Permissive License (UPL), Version 1.0
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6 *
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7 * Subject to the condition set forth below, permission is hereby granted to any
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8 * person obtaining a copy of this software, associated documentation and/or
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9 * data (collectively the "Software"), free of charge and under any and all
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10 * copyright rights in the Software, and any and all patent rights owned or
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11 * freely licensable by each licensor hereunder covering either (i) the
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12 * unmodified Software as contributed to or provided by such licensor, or (ii)
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13 * the Larger Works (as defined below), to deal in both
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14 *
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15 * (a) the Software, and
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16 *
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17 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
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18 * one is included with the Software each a "Larger Work" to which the Software
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19 * is contributed by such licensors),
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20 *
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21 * without restriction, including without limitation the rights to copy, create
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22 * derivative works of, display, perform, and distribute the Software and make,
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23 * use, sell, offer for sale, import, export, have made, and have sold the
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24 * Software and the Larger Work(s), and to sublicense the foregoing rights on
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25 * either these or other terms.
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26 *
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27 * This license is subject to the following condition:
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28 *
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29 * The above copyright notice and either this complete permission notice or at a
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30 * minimum a reference to the UPL must be included in all copies or substantial
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31 * portions of the Software.
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32 *
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33 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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34 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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35 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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36 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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37 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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38 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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39 * SOFTWARE.
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40 */
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41 package com.oracle.truffle.sl.nodes.instrument;
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42
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43 import com.oracle.truffle.api.frame.VirtualFrame;
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44 import com.oracle.truffle.api.instrument.Instrument;
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45 import com.oracle.truffle.api.instrument.KillException;
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46 import com.oracle.truffle.api.instrument.Probe;
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47 import com.oracle.truffle.api.instrument.ProbeNode;
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48 import com.oracle.truffle.api.instrument.ProbeNode.WrapperNode;
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49 import com.oracle.truffle.api.nodes.Node;
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50 import com.oracle.truffle.api.nodes.NodeCost;
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51 import com.oracle.truffle.api.nodes.NodeInfo;
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52 import com.oracle.truffle.api.nodes.UnexpectedResultException;
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53 import com.oracle.truffle.sl.nodes.SLExpressionNode;
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54 import com.oracle.truffle.sl.nodes.SLTypesGen;
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55 import com.oracle.truffle.sl.runtime.SLFunction;
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56
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57 /**
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58 * A Truffle node that can be inserted into a Simple AST (assumed not to have executed yet) to
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59 * enable "instrumentation" of an {@link SLExpressionNode}. Tools wishing to interact with AST
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60 * execution may attach {@link Instrument}s to the {@link Probe} uniquely associated with the
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61 * wrapper, and to which this wrapper routes execution events.
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62 */
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63 @NodeInfo(cost = NodeCost.NONE)
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64 public final class SLExpressionWrapperNode extends SLExpressionNode implements WrapperNode {
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65 @Child private SLExpressionNode child;
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66 @Child private ProbeNode probeNode;
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67
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68 /**
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69 * Constructor.
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70 *
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71 * @param child The {@link SLExpressionNode} that this wrapper is wrapping
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72 */
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73 public SLExpressionWrapperNode(SLExpressionNode child) {
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74 super(child.getSourceSection());
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75 assert !(child instanceof SLExpressionWrapperNode);
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76 this.child = child;
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77 }
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78
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79 public String instrumentationInfo() {
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80 return "Wrapper node for SL Expressions";
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81 }
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82
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83 @Override
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84 public boolean isInstrumentable() {
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85 return false;
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86 }
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87
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88 @Override
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89 public SLExpressionNode getNonWrapperNode() {
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90 return child;
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91 }
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92
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93 public void insertProbe(ProbeNode newProbeNode) {
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94 this.probeNode = newProbeNode;
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95 }
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96
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97 public Probe getProbe() {
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98 return probeNode.getProbe();
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99 }
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100
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101 public Node getChild() {
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102 return child;
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103 }
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104
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105 @Override
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106 public Object executeGeneric(VirtualFrame vFrame) {
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107
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108 probeNode.enter(child, vFrame);
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109 Object result;
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110
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111 try {
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112 result = child.executeGeneric(vFrame);
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113 probeNode.returnValue(child, vFrame, result);
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114 } catch (KillException e) {
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115 throw (e);
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116 } catch (Exception e) {
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117 probeNode.returnExceptional(child, vFrame, e);
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118 throw (e);
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119 }
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120 return result;
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121 }
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122
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123 @Override
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124 public long executeLong(VirtualFrame vFrame) throws UnexpectedResultException {
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125 return SLTypesGen.expectLong(executeGeneric(vFrame));
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126 }
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127
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128 @Override
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129 public boolean executeBoolean(VirtualFrame vFrame) throws UnexpectedResultException {
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130 return SLTypesGen.expectBoolean(executeGeneric(vFrame));
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131 }
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132
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133 @Override
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134 public SLFunction executeFunction(VirtualFrame vFrame) throws UnexpectedResultException {
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135 probeNode.enter(child, vFrame);
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136 SLFunction result;
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137
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138 try {
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139 result = child.executeFunction(vFrame);
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140 probeNode.returnValue(child, vFrame, result);
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141 } catch (Exception e) {
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142 probeNode.returnExceptional(child, vFrame, e);
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143 throw (e);
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144 }
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145 return result;
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146 }
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147
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148 }