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annotate graal/com.oracle.truffle.api.dsl/src/com/oracle/truffle/api/dsl/internal/SpecializationNode.java @ 18776:c0fb70634640

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Truffle-DSL: support for frame types Frame, MaterializedFrame. Added validation for frame type consistency. Some refactorings along the way.
author Christian Humer <christian.humer@gmail.com>
date Mon, 05 Jan 2015 01:31:08 +0100
parents a720bf2e2f43
children 71e372cae32e
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1 /*
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2 * Copyright (c) 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
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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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
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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.dsl.internal;
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26
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27 import java.lang.reflect.*;
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28 import java.util.concurrent.*;
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29
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30 import com.oracle.truffle.api.*;
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31 import com.oracle.truffle.api.dsl.*;
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32 import com.oracle.truffle.api.dsl.internal.RewriteEvent.RewriteEvent0;
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33 import com.oracle.truffle.api.dsl.internal.RewriteEvent.RewriteEvent1;
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34 import com.oracle.truffle.api.dsl.internal.RewriteEvent.RewriteEvent2;
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35 import com.oracle.truffle.api.dsl.internal.RewriteEvent.RewriteEvent3;
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36 import com.oracle.truffle.api.dsl.internal.RewriteEvent.RewriteEvent4;
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37 import com.oracle.truffle.api.dsl.internal.RewriteEvent.RewriteEventN;
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38 import com.oracle.truffle.api.frame.*;
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39 import com.oracle.truffle.api.nodes.*;
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40 import com.oracle.truffle.api.nodes.NodeUtil.NodeClass;
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41 import com.oracle.truffle.api.nodes.NodeUtil.NodeField;
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42
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43 /**
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44 * Internal implementation dependent base class for generated specialized nodes.
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45 */
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46 @SuppressWarnings("unused")
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47 @NodeInfo(cost = NodeCost.NONE)
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48 public abstract class SpecializationNode extends Node {
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49
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50 @Child protected SpecializationNode next;
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51
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52 private final int index;
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53
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54 public SpecializationNode() {
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55 this(-1);
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56 }
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57
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58 public SpecializationNode(int index) {
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59 this.index = index;
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60 }
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61
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62 @Override
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63 public final NodeCost getCost() {
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64 return NodeCost.NONE;
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65 }
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66
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67 public static Node updateRoot(Node node) {
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68 updateRootImpl(((SpecializedNode) node).getSpecializationNode(), node);
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69 return node;
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70 }
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71
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72 private static void updateRootImpl(SpecializationNode start, Node node) {
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73 NodeField[] fields = NodeClass.get(start.getClass()).getFields();
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74 for (int i = fields.length - 1; i >= 0; i--) {
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75 NodeField f = fields[i];
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76 if (f.getName().equals("root")) {
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77 f.putObject(start, node);
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78 break;
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79 }
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80 }
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81 if (start.next != null) {
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82 updateRootImpl(start.next, node);
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83 }
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84 }
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85
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86 protected final SpecializationNode polymorphicMerge(SpecializationNode newNode) {
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87 SpecializationNode merged = next.merge(newNode);
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88 if (merged == newNode && !isSame(newNode) && count() <= 2) {
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89 return removeSame(new RewriteEvent0(findParentNode(), "merged polymorphic to monomorphic"));
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90 }
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91 return merged;
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92 }
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93
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94 public final NodeCost getNodeCost() {
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95 switch (count()) {
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96 case 0:
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97 case 1:
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98 return NodeCost.UNINITIALIZED;
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99 case 2:
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100 return NodeCost.MONOMORPHIC;
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101 default:
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102 return NodeCost.POLYMORPHIC;
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103 }
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104 }
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105
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106 protected abstract Node[] getSuppliedChildren();
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107
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108 protected SpecializationNode merge(SpecializationNode newNode) {
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109 if (this.isSame(newNode)) {
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110 return this;
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111 }
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112 return next != null ? next.merge(newNode) : newNode;
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113 }
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114
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115 @Override
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116 public final boolean equals(Object obj) {
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117 if (obj instanceof SpecializationNode) {
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118 return ((SpecializationNode) obj).isSame(this);
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119 }
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120 return super.equals(obj);
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121 }
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122
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123 @Override
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124 public final int hashCode() {
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125 return index;
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126 }
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127
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128 protected boolean isSame(SpecializationNode other) {
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129 return getClass() == other.getClass();
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130 }
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131
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132 private int count() {
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133 return next != null ? next.count() + 1 : 1;
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134 }
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135
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136 protected final SpecializationNode removeSame(final CharSequence reason) {
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137 return atomic(new Callable<SpecializationNode>() {
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138 public SpecializationNode call() throws Exception {
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139 return removeImpl(SpecializationNode.this, reason);
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140 }
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141 });
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142 }
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143
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parents:
diff changeset
144 /** Find the topmost of the specialization chain. */
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145 private SpecializationNode findStart() {
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diff changeset
146 SpecializationNode node = this;
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
147 Node parent = this.getParent();
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
148 while (parent instanceof SpecializationNode) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
149 SpecializationNode parentCast = ((SpecializationNode) parent);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
150 if (parentCast.next != node) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
151 break;
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
152 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
153 node = parentCast;
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
154 parent = node.getParent();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
155 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
156 return node;
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
157 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
158
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159 private Node findParentNode() {
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160 return findStart().getParent();
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
161 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
162
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
163 private SpecializationNode removeImpl(SpecializationNode toRemove, CharSequence reason) {
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
164 SpecializationNode start = findStart();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
165 SpecializationNode current = start;
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
166 while (current != null) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
167 if (current.isSame(toRemove)) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
168 current.replace(current.next, reason);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
169 if (current == start) {
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
170 start = start.next;
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
171 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
172 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
173 current = current.next;
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
174 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
175 return start;
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
176 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
177
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178 public Object acceptAndExecute(Frame frame) {
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179 throw new UnsupportedOperationException();
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Christian Humer <christian.humer@gmail.com>
parents:
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180 }
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parents:
diff changeset
181
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diff changeset
182 public Object acceptAndExecute(Frame frame, Object o1) {
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parents:
diff changeset
183 throw new UnsupportedOperationException();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
184 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
185
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186 public Object acceptAndExecute(Frame frame, Object o1, Object o2) {
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
187 throw new UnsupportedOperationException();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
188 }
a665483c3881 Truffle-DSL: new node layout implementation.
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parents:
diff changeset
189
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diff changeset
190 public Object acceptAndExecute(Frame frame, Object o1, Object o2, Object o3) {
18761
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
191 throw new UnsupportedOperationException();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
192 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
193
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diff changeset
194 public Object acceptAndExecute(Frame frame, Object o1, Object o2, Object o3, Object o4) {
18761
a665483c3881 Truffle-DSL: new node layout implementation.
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parents:
diff changeset
195 throw new UnsupportedOperationException();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
196 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
197
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diff changeset
198 public Object acceptAndExecute(Frame frame, Object... args) {
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parents:
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199 throw new UnsupportedOperationException();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
200 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
201
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
202 protected SpecializationNode createFallback() {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
203 return null;
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
204 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
205
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
206 protected SpecializationNode createPolymorphic() {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
207 return null;
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
208 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
209
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parents: 18766
diff changeset
210 protected SpecializationNode createNext(Frame frame) {
18761
a665483c3881 Truffle-DSL: new node layout implementation.
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parents:
diff changeset
211 throw new UnsupportedOperationException();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
212 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
213
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c0fb70634640 Truffle-DSL: support for frame types Frame, MaterializedFrame. Added validation for frame type consistency. Some refactorings along the way.
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parents: 18766
diff changeset
214 protected SpecializationNode createNext(Frame frame, Object o1) {
18761
a665483c3881 Truffle-DSL: new node layout implementation.
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parents:
diff changeset
215 throw new UnsupportedOperationException();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
216 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
217
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c0fb70634640 Truffle-DSL: support for frame types Frame, MaterializedFrame. Added validation for frame type consistency. Some refactorings along the way.
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parents: 18766
diff changeset
218 protected SpecializationNode createNext(Frame frame, Object o1, Object o2) {
18761
a665483c3881 Truffle-DSL: new node layout implementation.
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parents:
diff changeset
219 throw new UnsupportedOperationException();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
220 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
221
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c0fb70634640 Truffle-DSL: support for frame types Frame, MaterializedFrame. Added validation for frame type consistency. Some refactorings along the way.
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parents: 18766
diff changeset
222 protected SpecializationNode createNext(Frame frame, Object o1, Object o2, Object o3) {
18761
a665483c3881 Truffle-DSL: new node layout implementation.
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parents:
diff changeset
223 throw new UnsupportedOperationException();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
224 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
225
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c0fb70634640 Truffle-DSL: support for frame types Frame, MaterializedFrame. Added validation for frame type consistency. Some refactorings along the way.
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parents: 18766
diff changeset
226 protected SpecializationNode createNext(Frame frame, Object o1, Object o2, Object o3, Object o4) {
18761
a665483c3881 Truffle-DSL: new node layout implementation.
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parents:
diff changeset
227 throw new UnsupportedOperationException();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
228 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
229
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c0fb70634640 Truffle-DSL: support for frame types Frame, MaterializedFrame. Added validation for frame type consistency. Some refactorings along the way.
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parents: 18766
diff changeset
230 protected SpecializationNode createNext(Frame frame, Object... args) {
18761
a665483c3881 Truffle-DSL: new node layout implementation.
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parents:
diff changeset
231 throw new UnsupportedOperationException();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
232 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
233
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parents: 18766
diff changeset
234 protected final Object uninitialized(Frame frame) {
18761
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
235 CompilerDirectives.transferToInterpreterAndInvalidate();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
236 SpecializationNode nextSpecialization = createNext(frame);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
237 if (nextSpecialization == null) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
238 nextSpecialization = createFallback();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
239 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
240 if (nextSpecialization == null) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
241 return unsupported(frame);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
242 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
243 return insertSpecialization(nextSpecialization, new RewriteEvent0(findParentNode(), "inserted new specialization")).acceptAndExecute(frame);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
244 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
245
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c0fb70634640 Truffle-DSL: support for frame types Frame, MaterializedFrame. Added validation for frame type consistency. Some refactorings along the way.
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parents: 18766
diff changeset
246 protected final Object uninitialized(Frame frame, Object o1) {
18761
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
247 CompilerDirectives.transferToInterpreterAndInvalidate();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
248 SpecializationNode nextSpecialization = createNext(frame, o1);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
249 if (nextSpecialization == null) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
250 nextSpecialization = createFallback();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
251 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
252 if (nextSpecialization == null) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
253 return unsupported(frame, o1);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
254 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
255 return insertSpecialization(nextSpecialization, new RewriteEvent1(findParentNode(), "inserted new specialization", o1)).acceptAndExecute(frame, o1);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
256 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
257
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c0fb70634640 Truffle-DSL: support for frame types Frame, MaterializedFrame. Added validation for frame type consistency. Some refactorings along the way.
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parents: 18766
diff changeset
258 protected final Object uninitialized(Frame frame, Object o1, Object o2) {
18761
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
259 CompilerDirectives.transferToInterpreterAndInvalidate();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
260 SpecializationNode nextSpecialization = createNext(frame, o1, o2);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
261 if (nextSpecialization == null) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
262 nextSpecialization = createFallback();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
263 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
264 if (nextSpecialization == null) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
265 return unsupported(frame, o1, o2);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
266 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
267 return insertSpecialization(nextSpecialization, new RewriteEvent2(findParentNode(), "inserted new specialization", o1, o2)).acceptAndExecute(frame, o1, o2);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
268 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
269
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Christian Humer <christian.humer@gmail.com>
parents: 18766
diff changeset
270 protected final Object uninitialized(Frame frame, Object o1, Object o2, Object o3) {
18761
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
271 CompilerDirectives.transferToInterpreterAndInvalidate();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
272 SpecializationNode nextSpecialization = createNext(frame, o1, o2, o3);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
273 if (nextSpecialization == null) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
274 nextSpecialization = createFallback();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
275 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
276 if (nextSpecialization == null) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
277 return unsupported(frame, o1, o2, o3);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
278 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
279 return insertSpecialization(nextSpecialization, new RewriteEvent3(findParentNode(), "inserted new specialization", o1, o2, o3)).acceptAndExecute(frame, o1, o2, o3);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
280 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
281
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282 protected final Object uninitialized(Frame frame, Object o1, Object o2, Object o3, Object o4) {
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283 CompilerDirectives.transferToInterpreterAndInvalidate();
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284 SpecializationNode nextSpecialization = createNext(frame, o1, o2, o3, o4);
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285 if (nextSpecialization == null) {
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286 nextSpecialization = createFallback();
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287 }
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288 if (nextSpecialization == null) {
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289 return unsupported(frame, o1, o2, o3, o4);
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290 }
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291 return insertSpecialization(nextSpecialization, new RewriteEvent4(findParentNode(), "inserts new specialization", o1, o2, o3, o4)).acceptAndExecute(frame, o1, o2, o3, o4);
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292 }
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293
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294 protected final Object uninitialized(Frame frame, Object... args) {
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295 CompilerDirectives.transferToInterpreterAndInvalidate();
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296 SpecializationNode nextSpecialization = createNext(frame, args);
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297 if (nextSpecialization == null) {
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298 nextSpecialization = createFallback();
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299 }
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300 if (nextSpecialization == null) {
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301 unsupported(frame, args);
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302 }
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303 return insertSpecialization(nextSpecialization, new RewriteEventN(findParentNode(), "inserts new specialization", args)).acceptAndExecute(frame, args);
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304 }
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305
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306 private boolean needsPolymorphic() {
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307 return findStart().count() == 2;
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308 }
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309
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310 protected final Object remove(String reason, Frame frame) {
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311 return removeSame(new RewriteEvent0(findParentNode(), reason)).acceptAndExecute(frame);
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312 }
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313
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314 protected final Object remove(String reason, Frame frame, Object o1) {
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315 return removeSame(new RewriteEvent1(findParentNode(), reason, o1)).acceptAndExecute(frame, o1);
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316 }
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317
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318 protected final Object remove(String reason, Frame frame, Object o1, Object o2) {
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319 return removeSame(new RewriteEvent2(findParentNode(), reason, o1, o2)).acceptAndExecute(frame, o1, o2);
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320 }
a665483c3881 Truffle-DSL: new node layout implementation.
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parents:
diff changeset
321
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322 protected final Object remove(String reason, Frame frame, Object o1, Object o2, Object o3) {
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323 return removeSame(new RewriteEvent3(findParentNode(), reason, o1, o2, o3)).acceptAndExecute(frame, o1, o2, o3);
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324 }
a665483c3881 Truffle-DSL: new node layout implementation.
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diff changeset
325
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326 protected final Object remove(String reason, Frame frame, Object o1, Object o2, Object o3, Object o4) {
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327 return removeSame(new RewriteEvent4(findParentNode(), reason, o1, o2, o3, o4)).acceptAndExecute(frame, o1, o2, o3, o4);
a665483c3881 Truffle-DSL: new node layout implementation.
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328 }
a665483c3881 Truffle-DSL: new node layout implementation.
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parents:
diff changeset
329
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330 protected final Object remove(String reason, Frame frame, Object... args) {
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331 return removeSame(new RewriteEventN(findParentNode(), reason, args)).acceptAndExecute(frame, args);
a665483c3881 Truffle-DSL: new node layout implementation.
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332 }
a665483c3881 Truffle-DSL: new node layout implementation.
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parents:
diff changeset
333
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334 protected Object unsupported(Frame frame) {
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335 throw new UnsupportedSpecializationException(findParentNode(), getSuppliedChildren());
a665483c3881 Truffle-DSL: new node layout implementation.
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336 }
a665483c3881 Truffle-DSL: new node layout implementation.
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parents:
diff changeset
337
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338 protected Object unsupported(Frame frame, Object o1) {
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339 throw new UnsupportedSpecializationException(findParentNode(), getSuppliedChildren(), o1);
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340 }
a665483c3881 Truffle-DSL: new node layout implementation.
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parents:
diff changeset
341
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342 protected Object unsupported(Frame frame, Object o1, Object o2) {
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343 throw new UnsupportedSpecializationException(findParentNode(), getSuppliedChildren(), o1, o2);
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344 }
a665483c3881 Truffle-DSL: new node layout implementation.
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diff changeset
345
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346 protected Object unsupported(Frame frame, Object o1, Object o2, Object o3) {
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347 throw new UnsupportedSpecializationException(findParentNode(), getSuppliedChildren(), o1, o2, o3);
a665483c3881 Truffle-DSL: new node layout implementation.
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348 }
a665483c3881 Truffle-DSL: new node layout implementation.
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parents:
diff changeset
349
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350 protected Object unsupported(Frame frame, Object o1, Object o2, Object o3, Object o4) {
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351 throw new UnsupportedSpecializationException(findParentNode(), getSuppliedChildren(), o1, o2, o3, o4);
a665483c3881 Truffle-DSL: new node layout implementation.
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diff changeset
352 }
a665483c3881 Truffle-DSL: new node layout implementation.
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parents:
diff changeset
353
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354 protected Object unsupported(Frame frame, Object... args) {
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355 throw new UnsupportedSpecializationException(findParentNode(), getSuppliedChildren(), args);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
356 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
357
a665483c3881 Truffle-DSL: new node layout implementation.
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parents:
diff changeset
358 private SpecializationNode insertSpecialization(final SpecializationNode generated, final CharSequence message) {
a665483c3881 Truffle-DSL: new node layout implementation.
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parents:
diff changeset
359 return atomic(new Callable<SpecializationNode>() {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
360 public SpecializationNode call() {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
361 return insert(generated, message);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
362 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
363 });
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
364 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
365
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a720bf2e2f43 Truffle-DSL: checkstyle fixes.
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diff changeset
366 private SpecializationNode insert(final SpecializationNode generated, CharSequence message) {
18761
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367 SpecializationNode start = findStart();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
368 if (start == this) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
369 // fast path for first insert
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
370 return insertBefore(this, generated, message);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
371 } else {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
372 return slowSortedInsert(start, generated, message);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
373 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
374 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
375
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
376 private static <T> SpecializationNode slowSortedInsert(SpecializationNode start, final SpecializationNode generated, final CharSequence message) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
377 final SpecializationNode merged = start.merge(generated);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
378 if (merged == generated) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
379 // new node
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
380 if (start.count() == 2) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
381 insertBefore(start, start.createPolymorphic(), "insert polymorphic");
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
382 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
383 SpecializationNode insertBefore = findInsertBeforeNode(generated.index, start);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
384 return insertBefore(insertBefore, generated, message);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
385 } else {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
386 // existing node
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
387 merged.replace(merged, new RewriteEvent0(merged.findParentNode(), "merged specialization"));
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
388 return merged;
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
389 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
390 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
391
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
392 private static SpecializationNode findInsertBeforeNode(int generatedIndex, SpecializationNode start) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
393 SpecializationNode current = start;
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
394 while (current != null && current.index < generatedIndex) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
395 current = current.next;
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
396 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
397 return current;
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
398 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
399
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
400 private static <T> SpecializationNode insertBefore(SpecializationNode node, SpecializationNode insertBefore, CharSequence message) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
401 insertBefore.next = node;
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
402 return node.replace(insertBefore, message);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
403 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
404
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
405 @Override
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
406 public final String toString() {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
407 Class<?> clazz = getClass();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
408 StringBuilder b = new StringBuilder();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
409 b.append(clazz.getSimpleName());
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
410
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
411 appendFields(b, clazz);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
412 if (next != null) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
413 b.append(" -> ").append(next.toString());
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
414 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
415 return b.toString();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
416 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
417
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
418 private void appendFields(StringBuilder b, Class<?> clazz) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
419 Field[] fields = clazz.getDeclaredFields();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
420 if (fields.length == 0) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
421 return;
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
422 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
423 b.append("(");
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
424 for (Field field : fields) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
425 if (Modifier.isStatic(field.getModifiers())) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
426 continue;
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
427 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
428 String name = field.getName();
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
429 if (name.equals("root")) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
430 continue;
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
431 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
432 b.append(field.getName());
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
433 try {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
434 field.setAccessible(true);
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
435 b.append(field.get(this));
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
436 } catch (IllegalArgumentException e) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
437 b.append(e.toString());
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
438 } catch (IllegalAccessException e) {
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
439 b.append(e.toString());
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
440 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
441 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
442 b.append(")");
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
443 }
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
444
a665483c3881 Truffle-DSL: new node layout implementation.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
445 }