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annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/model/TemplateMethod.java @ 16909:62cfffca9be2

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Truffle-DSL: some more performance optimizations.
author Christian Humer <christian.humer@gmail.com>
date Sat, 23 Aug 2014 19:31:18 +0200
parents 2db61eddcb97
children 5ede308adf68
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1 /*
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2 * Copyright (c) 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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27 import javax.lang.model.element.*;
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28 import javax.lang.model.type.*;
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29
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30 import com.oracle.truffle.dsl.processor.java.*;
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31 import com.oracle.truffle.dsl.processor.util.*;
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32
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33 /**
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34 * Note: this class has a natural ordering that is inconsistent with equals.
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35 */
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36 public class TemplateMethod extends MessageContainer implements Comparable<TemplateMethod> {
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37
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38 public static final int NO_NATURAL_ORDER = -1;
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39
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40 private String id;
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41 private final Template template;
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42 private final int naturalOrder;
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43 private final MethodSpec specification;
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44 private final ExecutableElement method;
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45 private final AnnotationMirror markerAnnotation;
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46 private Parameter returnType;
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47 private final List<Parameter> parameters;
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48 private final Map<String, Parameter> parameterCache = new HashMap<>();
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49
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50 public TemplateMethod(String id, int naturalOrder, Template template, MethodSpec specification, ExecutableElement method, AnnotationMirror markerAnnotation, Parameter returnType,
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51 List<Parameter> parameters) {
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52 this.template = template;
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53 this.specification = specification;
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54 this.naturalOrder = naturalOrder;
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55 this.method = method;
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56 this.markerAnnotation = markerAnnotation;
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57 this.returnType = returnType;
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58 this.parameters = new ArrayList<>();
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59 for (Parameter param : parameters) {
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60 Parameter newParam = new Parameter(param);
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61 this.parameters.add(newParam);
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62 newParam.setMethod(this);
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63 parameterCache.put(param.getLocalName(), param);
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64 }
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65 parameterCache.put(returnType.getLocalName(), returnType);
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66 this.id = id;
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67 }
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68
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69 public int getNaturalOrder() {
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70 return naturalOrder;
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71 }
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72
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73 public TemplateMethod(TemplateMethod method) {
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74 this(method.id, method.naturalOrder, method.template, method.specification, method.method, method.markerAnnotation, method.returnType, method.parameters);
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75 getMessages().addAll(method.getMessages());
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76 }
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77
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78 public TemplateMethod(TemplateMethod method, ExecutableElement executable) {
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79 this(method.id, method.naturalOrder, method.template, method.specification, executable, method.markerAnnotation, method.returnType, method.parameters);
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80 getMessages().addAll(method.getMessages());
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81 }
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82
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83 @Override
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84 public Element getMessageElement() {
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85 return method;
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86 }
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87
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88 @Override
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89 public AnnotationMirror getMessageAnnotation() {
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90 return markerAnnotation;
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91 }
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92
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93 @Override
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94 protected List<MessageContainer> findChildContainers() {
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95 return Collections.emptyList();
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96 }
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97
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98 public void setId(String id) {
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99 this.id = id;
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100 }
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101
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102 public String getId() {
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103 return id;
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104 }
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105
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106 public Template getTemplate() {
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107 return template;
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108 }
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109
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110 public MethodSpec getSpecification() {
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111 return specification;
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112 }
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113
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114 public Parameter getReturnType() {
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115 return returnType;
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116 }
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117
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118 public void replaceParameter(String localName, Parameter newParameter) {
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119 if (returnType.getLocalName().equals(localName)) {
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120 returnType = newParameter;
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121 returnType.setMethod(this);
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122 } else {
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123 Parameter local = findParameter(localName);
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124 int index = parameters.indexOf(local);
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125 parameters.set(index, newParameter);
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126 }
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127 }
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128
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129 public List<Parameter> getRequiredParameters() {
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130 List<Parameter> requiredParameters = new ArrayList<>();
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131 for (Parameter parameter : getParameters()) {
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132 if (getSpecification().getRequired().contains(parameter.getSpecification())) {
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133 requiredParameters.add(parameter);
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134 }
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135 }
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136 return requiredParameters;
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137 }
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138
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139 public Iterable<Parameter> getSignatureParameters() {
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140 return new FilteredIterable<>(getParameters(), new Predicate<Parameter>() {
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141 public boolean evaluate(Parameter value) {
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142 return value.getSpecification().isSignature();
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143 }
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144 });
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145 }
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146
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147 public List<Parameter> getParameters() {
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148 return parameters;
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149 }
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150
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151 public List<Parameter> findParameters(ParameterSpec spec) {
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152 List<Parameter> foundParameters = new ArrayList<>();
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153 for (Parameter param : getReturnTypeAndParameters()) {
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154 if (param.getSpecification().getName().equals(spec.getName())) {
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155 foundParameters.add(param);
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156 }
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157 }
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158 return foundParameters;
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159 }
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160
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161 public List<Parameter> findByExecutionData(NodeExecutionData execution) {
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162 List<Parameter> foundParameters = new ArrayList<>();
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163 for (Parameter parameter : getParameters()) {
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164 ParameterSpec spec = parameter.getSpecification();
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165 if (spec != null && spec.getExecution() != null && spec.getExecution().equals(execution) && parameter.getSpecification().isSignature()) {
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166 foundParameters.add(parameter);
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167 }
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168 }
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169 return foundParameters;
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170 }
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171
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172 public Parameter findParameter(String valueName) {
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173 return parameterCache.get(valueName);
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174 }
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175
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176 public List<Parameter> getReturnTypeAndParameters() {
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177 List<Parameter> allParameters = new ArrayList<>(getParameters().size() + 1);
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178 if (getReturnType() != null) {
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179 allParameters.add(getReturnType());
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180 }
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181 allParameters.addAll(getParameters());
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182 return Collections.unmodifiableList(allParameters);
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183 }
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184
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185 public boolean canBeAccessedByInstanceOf(TypeMirror type) {
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186 TypeMirror methodType = ElementUtils.findNearestEnclosingType(getMethod()).asType();
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187 return ElementUtils.isAssignable(type, methodType) || ElementUtils.isAssignable(methodType, type);
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188 }
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189
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190 public ExecutableElement getMethod() {
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191 return method;
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192 }
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193
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194 public String getMethodName() {
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195 if (getMethod() != null) {
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196 return getMethod().getSimpleName().toString();
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197 } else {
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198 return "$synthetic";
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199 }
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200 }
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201
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202 public AnnotationMirror getMarkerAnnotation() {
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203 return markerAnnotation;
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204 }
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205
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206 @Override
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207 public String toString() {
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208 return String.format("%s [id = %s, method = %s]", getClass().getSimpleName(), getId(), getMethod());
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209 }
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210
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211 public Parameter getPreviousParam(Parameter searchParam) {
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212 Parameter prev = null;
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213 for (Parameter param : getParameters()) {
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214 if (param == searchParam) {
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215 return prev;
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216 }
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217 prev = param;
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218 }
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219 return prev;
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220 }
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221
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222 @SuppressWarnings("unused")
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223 public int getSignatureSize() {
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224 int signatureSize = 0;
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225 for (Parameter parameter : getSignatureParameters()) {
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226 signatureSize++;
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227 }
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228 return signatureSize;
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229 }
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230
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231 public TypeSignature getTypeSignature() {
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232 TypeSignature signature = new TypeSignature();
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233 signature.types.add(getReturnType().getTypeSystemType());
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234 for (Parameter parameter : getSignatureParameters()) {
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235 TypeData typeData = parameter.getTypeSystemType();
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236 if (typeData != null) {
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237 signature.types.add(typeData);
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238 }
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239 }
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240 return signature;
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241 }
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242
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243 public Parameter getSignatureParameter(int searchIndex) {
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244 int index = 0;
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245 for (Parameter parameter : getParameters()) {
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246 if (!parameter.getSpecification().isSignature()) {
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247 continue;
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248 }
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249 if (index == searchIndex) {
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250 return parameter;
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251 }
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252 index++;
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253 }
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254 return null;
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255 }
6879565ee10b Truffle-DSL: Fixed the second specialization is unreachable if two specializations have the exactly same signature (also guards) and are ordered next to each other.
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256
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257 public void updateSignature(TypeSignature signature) {
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258 // TODO(CH): fails in normal usage - output ok though
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259 // assert signature.size() >= 1;
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260
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261 int signatureIndex = 0;
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262 for (Parameter parameter : getReturnTypeAndParameters()) {
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263 if (!parameter.getSpecification().isSignature()) {
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264 continue;
79041ab43660 Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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265 }
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266 if (signatureIndex >= signature.size()) {
8e8347ecabbc Truffle-DSL: implemented new polymorphic more compact generation strategy
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267 break;
8e8347ecabbc Truffle-DSL: implemented new polymorphic more compact generation strategy
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268 }
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269 TypeData newType = signature.get(signatureIndex++);
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270 if (!parameter.getTypeSystemType().equals(newType)) {
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271 replaceParameter(parameter.getLocalName(), new Parameter(parameter, newType));
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272 }
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273 }
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274 }
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275
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276 @Override
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277 public int compareTo(TemplateMethod o) {
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278 if (this == o) {
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279 return 0;
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280 }
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281
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282 int compare = compareBySignature(o);
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283 if (compare == 0) {
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284 // if signature sorting failed sort by id
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285 compare = getId().compareTo(o.getId());
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286 }
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287 if (compare == 0) {
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288 // if still no difference sort by enclosing type name
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289 TypeElement enclosingType1 = ElementUtils.findNearestEnclosingType(getMethod());
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290 TypeElement enclosingType2 = ElementUtils.findNearestEnclosingType(o.getMethod());
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291 compare = enclosingType1.getQualifiedName().toString().compareTo(enclosingType2.getQualifiedName().toString());
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292 }
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293 return compare;
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294 }
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295
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296 public List<Parameter> getParametersAfter(Parameter genericParameter) {
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297 boolean found = false;
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298 List<Parameter> foundParameters = new ArrayList<>();
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299 for (Parameter param : getParameters()) {
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300 if (param.getLocalName().equals(genericParameter.getLocalName())) {
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diff changeset
301 found = true;
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302 } else if (found) {
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diff changeset
303 foundParameters.add(param);
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diff changeset
304 }
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diff changeset
305 }
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diff changeset
306 return foundParameters;
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diff changeset
307 }
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diff changeset
308
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diff changeset
309 public int compareBySignature(TemplateMethod compareMethod) {
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diff changeset
310 final TypeSystemData typeSystem = getTemplate().getTypeSystem();
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diff changeset
311 if (typeSystem != compareMethod.getTemplate().getTypeSystem()) {
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diff changeset
312 throw new IllegalStateException("Cannot compare two methods with different type systems.");
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313 }
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diff changeset
314
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diff changeset
315 List<TypeMirror> signature1 = getSignatureTypes(this);
25ecb47a6d0e Truffle-DSL: Added support for references to child arrays in @ShortCircuit;
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diff changeset
316 List<TypeMirror> signature2 = getSignatureTypes(compareMethod);
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317
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diff changeset
318 int result = 0;
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diff changeset
319 for (int i = 0; i < Math.max(signature1.size(), signature2.size()); i++) {
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diff changeset
320 TypeMirror t1 = i < signature1.size() ? signature1.get(i) : null;
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diff changeset
321 TypeMirror t2 = i < signature2.size() ? signature2.get(i) : null;
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diff changeset
322 result = compareParameter(typeSystem, t1, t2);
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diff changeset
323 if (result != 0) {
bd28da642eea Truffle-DSL: Several new features implemented:
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diff changeset
324 break;
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diff changeset
325 }
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parents:
diff changeset
326 }
79041ab43660 Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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diff changeset
327
79041ab43660 Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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diff changeset
328 return result;
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parents:
diff changeset
329 }
79041ab43660 Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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parents:
diff changeset
330
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diff changeset
331 protected static int compareParameter(TypeSystemData data, TypeMirror signature1, TypeMirror signature2) {
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diff changeset
332 if (signature1 == null) {
bd28da642eea Truffle-DSL: Several new features implemented:
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diff changeset
333 return 1;
bd28da642eea Truffle-DSL: Several new features implemented:
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diff changeset
334 } else if (signature2 == null) {
bd28da642eea Truffle-DSL: Several new features implemented:
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diff changeset
335 return -1;
bd28da642eea Truffle-DSL: Several new features implemented:
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diff changeset
336 }
bd28da642eea Truffle-DSL: Several new features implemented:
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diff changeset
337
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diff changeset
338 if (ElementUtils.typeEquals(signature1, signature2)) {
11439
efe58aa92f86 Truffle-DSL: guards can now be declared using any base type or interface of the target value type.
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diff changeset
339 return 0;
efe58aa92f86 Truffle-DSL: guards can now be declared using any base type or interface of the target value type.
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diff changeset
340 }
efe58aa92f86 Truffle-DSL: guards can now be declared using any base type or interface of the target value type.
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parents: 11193
diff changeset
341
efe58aa92f86 Truffle-DSL: guards can now be declared using any base type or interface of the target value type.
Christian Humer <christian.humer@gmail.com>
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342 int index1 = data.findType(signature1);
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343 int index2 = data.findType(signature2);
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344 if (index1 != -1 && index2 != -1) {
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345 return index1 - index2;
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346 }
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347
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348 // TODO this version if subclass of should be improved.
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349 if (signature1.getKind() == TypeKind.DECLARED && signature2.getKind() == TypeKind.DECLARED) {
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350 TypeElement element1 = ElementUtils.fromTypeMirror(signature1);
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351 TypeElement element2 = ElementUtils.fromTypeMirror(signature2);
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352
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353 if (ElementUtils.getDirectSuperTypes(element1).contains(element2)) {
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354 return -1;
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355 } else if (ElementUtils.getDirectSuperTypes(element2).contains(element1)) {
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356 return 1;
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357 }
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358 }
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359 return ElementUtils.getSimpleName(signature1).compareTo(ElementUtils.getSimpleName(signature2));
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360 }
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361
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362 public static List<TypeMirror> getSignatureTypes(TemplateMethod method) {
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363 List<TypeMirror> types = new ArrayList<>();
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364 for (Parameter param : method.getSignatureParameters()) {
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365 types.add(param.getType());
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366 }
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367 return types;
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368 }
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369
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370 public static class TypeSignature implements Iterable<TypeData>, Comparable<TypeSignature> {
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371
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372 private final List<TypeData> types;
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373
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374 public TypeSignature() {
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375 this.types = new ArrayList<>();
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376 }
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377
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378 public TypeSignature(List<TypeData> signature) {
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379 this.types = signature;
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380 }
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381
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382 @Override
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383 public int hashCode() {
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384 return types.hashCode();
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385 }
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386
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387 public int size() {
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388 return types.size();
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389 }
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390
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391 public TypeData get(int index) {
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392 return types.get(index);
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393 }
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394
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395 public int compareTo(TypeSignature other) {
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396 if (this == other) {
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397 return 0;
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398 } else if (types.size() != other.types.size()) {
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399 return types.size() - other.types.size();
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400 } else if (types.isEmpty()) {
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401 return 0;
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402 }
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403
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404 for (int i = 0; i < types.size(); i++) {
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405 TypeData type1 = types.get(i);
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406 TypeData type2 = other.types.get(i);
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407
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408 int comparison = type1.compareTo(type2);
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409 if (comparison != 0) {
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410 return comparison;
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411 }
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412 }
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413
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414 return 0;
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415 }
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416
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417 @Override
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418 public boolean equals(Object obj) {
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419 if (obj instanceof TypeSignature) {
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420 return ((TypeSignature) obj).types.equals(types);
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421 }
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422 return super.equals(obj);
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423 }
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424
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425 public Iterator<TypeData> iterator() {
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426 return types.iterator();
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427 }
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diff changeset
428
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429 @Override
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430 public String toString() {
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431 return types.toString();
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432 }
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433 }
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434
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435 }