Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/model/SpecializationData.java @ 18776:c0fb70634640
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> |
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date | Mon, 05 Jan 2015 01:31:08 +0100 |
parents | a069a87b9a02 |
children | 08aa0372dad4 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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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. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 package com.oracle.truffle.dsl.processor.model; |
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24 |
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25 import java.util.*; |
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26 |
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27 import com.oracle.truffle.dsl.processor.*; |
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28 import com.oracle.truffle.dsl.processor.java.*; |
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29 |
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30 public final class SpecializationData extends TemplateMethod { |
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31 |
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32 public enum SpecializationKind { |
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33 UNINITIALIZED, |
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34 SPECIALIZED, |
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35 POLYMORPHIC, |
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36 FALLBACK |
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37 } |
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38 |
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39 private final NodeData node; |
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40 private final SpecializationKind kind; |
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41 private final List<SpecializationThrowsData> exceptions; |
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42 private List<GuardExpression> guards = Collections.emptyList(); |
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43 private List<ShortCircuitData> shortCircuits; |
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44 private List<String> assumptions = Collections.emptyList(); |
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45 private final Set<SpecializationData> contains = new TreeSet<>(); |
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46 private final Set<String> containsNames = new TreeSet<>(); |
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47 private final Set<SpecializationData> excludedBy = new TreeSet<>(); |
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48 private String insertBeforeName; |
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49 private SpecializationData insertBefore; |
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50 private boolean reachable; |
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51 private int index; |
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52 |
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53 public SpecializationData(NodeData node, TemplateMethod template, SpecializationKind kind, List<SpecializationThrowsData> exceptions) { |
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54 super(template); |
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55 this.node = node; |
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56 this.kind = kind; |
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57 this.exceptions = exceptions; |
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58 this.index = template.getNaturalOrder(); |
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59 |
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60 for (SpecializationThrowsData exception : exceptions) { |
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61 exception.setSpecialization(this); |
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62 } |
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63 } |
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64 |
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65 public void setInsertBefore(SpecializationData insertBefore) { |
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66 this.insertBefore = insertBefore; |
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67 } |
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68 |
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69 public void setInsertBeforeName(String insertBeforeName) { |
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70 this.insertBeforeName = insertBeforeName; |
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71 } |
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72 |
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73 public SpecializationData getInsertBefore() { |
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74 return insertBefore; |
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75 } |
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76 |
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77 public String getInsertBeforeName() { |
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78 return insertBeforeName; |
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79 } |
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80 |
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81 public Set<String> getContainsNames() { |
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82 return containsNames; |
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83 } |
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84 |
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85 public SpecializationData(NodeData node, TemplateMethod template, SpecializationKind kind) { |
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86 this(node, template, kind, new ArrayList<SpecializationThrowsData>()); |
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87 } |
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88 |
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89 public Set<SpecializationData> getContains() { |
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90 return contains; |
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91 } |
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92 |
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93 public Set<SpecializationData> getExcludedBy() { |
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94 return excludedBy; |
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95 } |
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96 |
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97 public void setReachable(boolean reachable) { |
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98 this.reachable = reachable; |
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99 } |
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100 |
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101 public boolean isReachable() { |
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102 return reachable; |
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103 } |
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104 |
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105 public boolean isPolymorphic() { |
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106 return kind == SpecializationKind.POLYMORPHIC; |
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107 } |
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108 |
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109 @Override |
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110 protected List<MessageContainer> findChildContainers() { |
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111 List<MessageContainer> sinks = new ArrayList<>(); |
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112 if (exceptions != null) { |
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113 sinks.addAll(exceptions); |
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114 } |
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115 if (guards != null) { |
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116 for (GuardExpression guard : guards) { |
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117 if (guard.isResolved()) { |
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118 sinks.add(guard.getResolvedGuard()); |
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119 } |
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120 } |
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121 } |
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122 return sinks; |
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123 } |
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124 |
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125 public boolean hasRewrite(ProcessorContext context) { |
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126 if (!getExceptions().isEmpty()) { |
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127 return true; |
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128 } |
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129 if (!getGuards().isEmpty()) { |
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130 return true; |
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131 } |
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132 if (!getAssumptions().isEmpty()) { |
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133 return true; |
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134 } |
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135 for (Parameter parameter : getSignatureParameters()) { |
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136 NodeChildData child = parameter.getSpecification().getExecution().getChild(); |
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137 ExecutableTypeData type = child.findExecutableType(parameter.getTypeSystemType()); |
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138 if (type == null) { |
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139 type = child.findAnyGenericExecutableType(context); |
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140 } |
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141 if (type.hasUnexpectedValue(context)) { |
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142 return true; |
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143 } |
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144 if (type.getReturnType().getTypeSystemType().needsCastTo(parameter.getTypeSystemType())) { |
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145 return true; |
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146 } |
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147 |
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148 } |
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149 return false; |
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150 } |
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151 |
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152 @Override |
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153 public int compareTo(TemplateMethod other) { |
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154 if (this == other) { |
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155 return 0; |
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156 } else if (!(other instanceof SpecializationData)) { |
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157 return super.compareTo(other); |
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158 } |
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159 SpecializationData m2 = (SpecializationData) other; |
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160 int kindOrder = kind.compareTo(m2.kind); |
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161 if (kindOrder != 0) { |
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162 return kindOrder; |
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163 } |
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164 |
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165 int compare = 0; |
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166 int order1 = index; |
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167 int order2 = m2.index; |
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168 if (order1 != NO_NATURAL_ORDER && order2 != NO_NATURAL_ORDER) { |
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169 compare = Integer.compare(order1, order2); |
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170 if (compare != 0) { |
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171 return compare; |
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172 } |
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173 } |
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174 |
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175 return super.compareTo(other); |
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176 } |
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177 |
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178 public void setIndex(int order) { |
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179 this.index = order; |
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180 } |
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181 |
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182 public int getIndex() { |
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183 return index; |
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184 } |
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185 |
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186 public boolean isContainedBy(SpecializationData next) { |
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187 if (compareTo(next) > 0) { |
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188 // must be declared after the current specialization |
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189 return false; |
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190 } |
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191 |
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192 Iterator<Parameter> currentSignature = getSignatureParameters().iterator(); |
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193 Iterator<Parameter> nextSignature = next.getSignatureParameters().iterator(); |
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194 |
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195 while (currentSignature.hasNext() && nextSignature.hasNext()) { |
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196 TypeData currentType = currentSignature.next().getTypeSystemType(); |
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197 TypeData prevType = nextSignature.next().getTypeSystemType(); |
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198 |
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199 if (!currentType.isImplicitSubtypeOf(prevType)) { |
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200 return false; |
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201 } |
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202 } |
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203 |
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204 for (String nextAssumption : next.getAssumptions()) { |
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205 if (!getAssumptions().contains(nextAssumption)) { |
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206 return false; |
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207 } |
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208 } |
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209 |
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210 Iterator<GuardExpression> nextGuards = next.getGuards().iterator(); |
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211 while (nextGuards.hasNext()) { |
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212 GuardExpression nextGuard = nextGuards.next(); |
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213 boolean implied = false; |
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214 for (GuardExpression currentGuard : getGuards()) { |
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215 if (currentGuard.implies(nextGuard)) { |
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216 implied = true; |
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217 break; |
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218 } |
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219 } |
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220 if (!implied) { |
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221 return false; |
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222 } |
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223 } |
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224 |
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225 return true; |
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226 } |
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227 |
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228 public NodeData getNode() { |
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229 return node; |
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230 } |
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231 |
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232 public void setGuards(List<GuardExpression> guards) { |
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233 this.guards = guards; |
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234 } |
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235 |
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236 public boolean isSpecialized() { |
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237 return kind == SpecializationKind.SPECIALIZED; |
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238 } |
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239 |
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240 public boolean isFallback() { |
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241 return kind == SpecializationKind.FALLBACK; |
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242 } |
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243 |
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244 public boolean isUninitialized() { |
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245 return kind == SpecializationKind.UNINITIALIZED; |
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246 } |
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247 |
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248 public List<SpecializationThrowsData> getExceptions() { |
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249 return exceptions; |
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250 } |
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251 |
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252 public List<GuardExpression> getGuards() { |
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253 return guards; |
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254 } |
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255 |
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256 public void setShortCircuits(List<ShortCircuitData> shortCircuits) { |
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257 this.shortCircuits = shortCircuits; |
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258 } |
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259 |
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260 public List<ShortCircuitData> getShortCircuits() { |
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261 return shortCircuits; |
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262 } |
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263 |
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264 public List<String> getAssumptions() { |
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265 return assumptions; |
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266 } |
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267 |
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268 public void setAssumptions(List<String> assumptions) { |
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269 this.assumptions = assumptions; |
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270 } |
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271 |
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272 public SpecializationData findNextSpecialization() { |
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273 List<SpecializationData> specializations = node.getSpecializations(); |
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274 for (int i = 0; i < specializations.size() - 1; i++) { |
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275 if (specializations.get(i) == this) { |
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276 return specializations.get(i + 1); |
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277 } |
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278 } |
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279 return null; |
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280 } |
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281 |
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282 @Override |
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283 public String toString() { |
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284 return String.format("%s [id = %s, method = %s, guards = %s, signature = %s]", getClass().getSimpleName(), getId(), getMethod(), getGuards(), getTypeSignature()); |
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285 } |
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286 |
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287 public boolean isFrameUsedByGuard() { |
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288 for (GuardExpression guard : getGuards()) { |
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289 if (guard.getResolvedGuard() == null) { |
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290 continue; |
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291 } |
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292 |
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293 for (Parameter param : guard.getResolvedGuard().getParameters()) { |
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294 if (ElementUtils.typeEquals(param.getType(), getNode().getFrameType())) { |
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295 return true; |
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296 } |
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297 } |
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298 } |
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299 |
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300 return false; |
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301 } |
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302 |
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303 public boolean isReachableAfter(SpecializationData prev) { |
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304 if (!prev.isSpecialized()) { |
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305 return true; |
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306 } |
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307 |
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308 if (!prev.getExceptions().isEmpty()) { |
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309 return true; |
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310 } |
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311 |
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312 Iterator<Parameter> currentSignature = getSignatureParameters().iterator(); |
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313 Iterator<Parameter> prevSignature = prev.getSignatureParameters().iterator(); |
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314 |
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315 while (currentSignature.hasNext() && prevSignature.hasNext()) { |
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316 TypeData currentType = currentSignature.next().getTypeSystemType(); |
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317 TypeData prevType = prevSignature.next().getTypeSystemType(); |
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318 |
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319 if (!currentType.isImplicitSubtypeOf(prevType)) { |
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320 return true; |
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Christian Humer <christian.humer@gmail.com>
parents:
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321 } |
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Truffle-DSL: Several new features implemented:
Christian Humer <christian.humer@gmail.com>
parents:
14908
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322 } |
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Truffle-DSL: Several new features implemented:
Christian Humer <christian.humer@gmail.com>
parents:
14908
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323 |
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Truffle-DSL: Several new features implemented:
Christian Humer <christian.humer@gmail.com>
parents:
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324 for (String prevAssumption : prev.getAssumptions()) { |
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parents:
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325 if (!getAssumptions().contains(prevAssumption)) { |
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Christian Humer <christian.humer@gmail.com>
parents:
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326 return true; |
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Christian Humer <christian.humer@gmail.com>
parents:
14908
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327 } |
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Truffle-DSL: Several new features implemented:
Christian Humer <christian.humer@gmail.com>
parents:
14908
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328 } |
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Truffle-DSL: Several new features implemented:
Christian Humer <christian.humer@gmail.com>
parents:
14908
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329 |
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Truffle-DSL: Several new features implemented:
Christian Humer <christian.humer@gmail.com>
parents:
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330 Iterator<GuardExpression> prevGuards = prev.getGuards().iterator(); |
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Christian Humer <christian.humer@gmail.com>
parents:
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331 Iterator<GuardExpression> currentGuards = getGuards().iterator(); |
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Christian Humer <christian.humer@gmail.com>
parents:
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332 while (prevGuards.hasNext()) { |
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Christian Humer <christian.humer@gmail.com>
parents:
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333 GuardExpression prevGuard = prevGuards.next(); |
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Christian Humer <christian.humer@gmail.com>
parents:
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334 GuardExpression currentGuard = currentGuards.hasNext() ? currentGuards.next() : null; |
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Christian Humer <christian.humer@gmail.com>
parents:
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335 if (currentGuard == null || !currentGuard.implies(prevGuard)) { |
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parents:
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336 return true; |
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Christian Humer <christian.humer@gmail.com>
parents:
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337 } |
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Truffle-DSL: Several new features implemented:
Christian Humer <christian.humer@gmail.com>
parents:
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338 } |
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Truffle-DSL: Several new features implemented:
Christian Humer <christian.humer@gmail.com>
parents:
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339 |
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Truffle-DSL: Several new features implemented:
Christian Humer <christian.humer@gmail.com>
parents:
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340 return false; |
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Christian Humer <christian.humer@gmail.com>
parents:
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341 } |
10597
79041ab43660
Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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342 } |