annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/template/TemplateMethod.java @ 13271:2b9fcffd6f36

Truffle-DSL: added support for generating execute methods with java varargs.
author Christian Humer <christian.humer@gmail.com>
date Sun, 01 Dec 2013 18:18:33 +0100
parents 8e8347ecabbc
children 807ad2134a6b 25ecb47a6d0e
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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.template;
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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.*;
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31 import com.oracle.truffle.dsl.processor.typesystem.*;
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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 private String id;
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39 private final Template template;
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40 private final MethodSpec specification;
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41 private final ExecutableElement method;
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42 private final AnnotationMirror markerAnnotation;
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43 private ActualParameter returnType;
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44 private List<ActualParameter> parameters;
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45
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46 public TemplateMethod(String id, Template template, MethodSpec specification, ExecutableElement method, AnnotationMirror markerAnnotation, ActualParameter returnType,
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47 List<ActualParameter> parameters) {
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48 this.template = template;
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49 this.specification = specification;
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50 this.method = method;
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51 this.markerAnnotation = markerAnnotation;
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52 this.returnType = returnType;
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53 this.parameters = new ArrayList<>();
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54 for (ActualParameter param : parameters) {
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55 ActualParameter newParam = new ActualParameter(param);
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56 this.parameters.add(newParam);
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57 newParam.setMethod(this);
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58 }
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59 this.id = id;
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60 }
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61
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62 public TemplateMethod(TemplateMethod method) {
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63 this(method.id, method.template, method.specification, method.method, method.markerAnnotation, method.returnType, method.parameters);
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64 getMessages().addAll(method.getMessages());
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65 }
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66
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67 public TemplateMethod(TemplateMethod method, ExecutableElement executable) {
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68 this(method.id, method.template, method.specification, executable, method.markerAnnotation, method.returnType, method.parameters);
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69 getMessages().addAll(method.getMessages());
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70 }
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71
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72 public void setParameters(List<ActualParameter> parameters) {
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73 this.parameters = parameters;
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74 }
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75
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76 @Override
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77 public Element getMessageElement() {
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78 return method;
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79 }
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80
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81 @Override
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82 public AnnotationMirror getMessageAnnotation() {
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83 return markerAnnotation;
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84 }
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85
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86 @Override
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87 protected List<MessageContainer> findChildContainers() {
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88 return Collections.emptyList();
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89 }
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90
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91 public void setId(String id) {
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92 this.id = id;
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93 }
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94
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95 public String getId() {
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96 return id;
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97 }
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98
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99 public Template getTemplate() {
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100 return template;
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101 }
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102
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103 public MethodSpec getSpecification() {
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104 return specification;
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105 }
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106
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107 public ActualParameter getReturnType() {
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108 return returnType;
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109 }
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110
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111 public void replaceParameter(String localName, ActualParameter newParameter) {
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112 if (returnType.getLocalName().equals(localName)) {
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113 returnType = newParameter;
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114 returnType.setMethod(this);
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115 }
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116
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117 for (ListIterator<ActualParameter> iterator = parameters.listIterator(); iterator.hasNext();) {
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118 ActualParameter parameter = iterator.next();
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119 if (parameter.getLocalName().equals(localName)) {
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120 iterator.set(newParameter);
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121 newParameter.setMethod(this);
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122 }
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123 }
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124 }
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125
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126 public List<ActualParameter> getRequiredParameters() {
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127 List<ActualParameter> requiredParameters = new ArrayList<>();
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128 for (ActualParameter parameter : getParameters()) {
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129 if (getSpecification().getRequired().contains(parameter.getSpecification())) {
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130 requiredParameters.add(parameter);
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131 }
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132 }
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133 return requiredParameters;
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134 }
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135
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136 public List<ActualParameter> getParameters() {
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137 return parameters;
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138 }
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139
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140 public List<ActualParameter> findParameters(ParameterSpec spec) {
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141 List<ActualParameter> foundParameters = new ArrayList<>();
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142 for (ActualParameter param : getReturnTypeAndParameters()) {
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143 if (param.getSpecification().getName().equals(spec.getName())) {
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144 foundParameters.add(param);
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145 }
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146 }
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147 return foundParameters;
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148 }
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149
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150 public ActualParameter findParameter(String valueName) {
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151 for (ActualParameter param : getReturnTypeAndParameters()) {
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152 if (param.getLocalName().equals(valueName)) {
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153 return param;
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154 }
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155 }
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156 return null;
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157 }
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158
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159 public List<ActualParameter> getReturnTypeAndParameters() {
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160 List<ActualParameter> allParameters = new ArrayList<>(getParameters().size() + 1);
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161 if (getReturnType() != null) {
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162 allParameters.add(getReturnType());
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163 }
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164 allParameters.addAll(getParameters());
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165 return Collections.unmodifiableList(allParameters);
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166 }
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167
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168 public boolean canBeAccessedByInstanceOf(ProcessorContext context, TypeMirror type) {
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169 TypeMirror methodType = Utils.findNearestEnclosingType(getMethod()).asType();
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170 return Utils.isAssignable(context, type, methodType) || Utils.isAssignable(context, methodType, type);
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171 }
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172
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173 public ExecutableElement getMethod() {
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174 return method;
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175 }
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176
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177 public String getMethodName() {
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178 if (getMethod() != null) {
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179 return getMethod().getSimpleName().toString();
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180 } else {
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181 return "$synthetic";
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182 }
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183 }
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184
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185 public AnnotationMirror getMarkerAnnotation() {
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186 return markerAnnotation;
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187 }
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188
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189 @Override
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190 public String toString() {
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191 return String.format("%s [id = %s, method = %s]", getClass().getSimpleName(), getId(), getMethod());
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192 }
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193
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194 public ActualParameter getPreviousParam(ActualParameter searchParam) {
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195 ActualParameter prev = null;
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196 for (ActualParameter param : getParameters()) {
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197 if (param == searchParam) {
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198 return prev;
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199 }
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200 prev = param;
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201 }
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202 return prev;
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203 }
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204
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205 public int getSignatureSize() {
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206 int signatureSize = 0;
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207 for (ActualParameter parameter : getParameters()) {
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208 if (!parameter.getSpecification().isSignature()) {
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209 continue;
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210 }
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211 signatureSize++;
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212 }
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213 return signatureSize;
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214 }
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215
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216 public Signature getSignature() {
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217 Signature signature = new Signature();
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218 for (ActualParameter parameter : getReturnTypeAndParameters()) {
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219 if (!parameter.getSpecification().isSignature()) {
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220 continue;
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221 }
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222 TypeData typeData = parameter.getTypeSystemType();
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223 if (typeData != null) {
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224 signature.types.add(typeData);
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225 }
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226 }
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227 return signature;
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228 }
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229
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230 public ActualParameter getSignatureParameter(int searchIndex) {
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231 int index = 0;
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232 for (ActualParameter parameter : getParameters()) {
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233 if (!parameter.getSpecification().isSignature()) {
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234 continue;
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235 }
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236 if (index == searchIndex) {
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237 return parameter;
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238 }
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239 index++;
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240 }
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241 return null;
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242 }
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243
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244 public void updateSignature(Signature signature) {
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245 assert signature.size() >= 1;
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246 int signatureIndex = 0;
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247 for (ActualParameter parameter : getReturnTypeAndParameters()) {
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248 if (!parameter.getSpecification().isSignature()) {
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249 continue;
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250 }
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251 if (signatureIndex >= signature.size()) {
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252 break;
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253 }
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254 TypeData newType = signature.get(signatureIndex++);
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255 if (!parameter.getTypeSystemType().equals(newType)) {
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256 replaceParameter(parameter.getLocalName(), new ActualParameter(parameter, newType));
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257 }
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258 }
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259 }
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260
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261 @Override
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262 public int compareTo(TemplateMethod o) {
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263 if (this == o) {
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264 return 0;
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265 }
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266
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267 int compare = compareBySignature(o);
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268 if (compare == 0) {
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269 // if signature sorting failed sort by id
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270 compare = getId().compareTo(o.getId());
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271 }
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272 if (compare == 0) {
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273 // if still no difference sort by enclosing type name
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274 TypeElement enclosingType1 = Utils.findNearestEnclosingType(getMethod());
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275 TypeElement enclosingType2 = Utils.findNearestEnclosingType(o.getMethod());
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276 compare = enclosingType1.getQualifiedName().toString().compareTo(enclosingType2.getQualifiedName().toString());
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277 }
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278 return compare;
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279 }
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280
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281 public List<ActualParameter> getParametersAfter(ActualParameter genericParameter) {
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282 boolean found = false;
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283 List<ActualParameter> foundParameters = new ArrayList<>();
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284 for (ActualParameter param : getParameters()) {
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285 if (param.getLocalName().equals(genericParameter.getLocalName())) {
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286 found = true;
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287 } else if (found) {
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288 foundParameters.add(param);
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289 }
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290 }
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291 return foundParameters;
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292 }
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293
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294 public int compareBySignature(TemplateMethod compareMethod) {
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295 final TypeSystemData typeSystem = getTemplate().getTypeSystem();
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296 if (typeSystem != compareMethod.getTemplate().getTypeSystem()) {
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297 throw new IllegalStateException("Cannot compare two methods with different type systems.");
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298 }
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299
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300 List<TypeMirror> signature1 = getSignatureTypes(getReturnTypeAndParameters());
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301 List<TypeMirror> signature2 = getSignatureTypes(compareMethod.getReturnTypeAndParameters());
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302 if (signature1.size() != signature2.size()) {
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303 return signature2.size() - signature1.size();
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304 }
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305
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306 int result = 0;
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307 for (int i = 1; i < signature1.size(); i++) {
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308 TypeMirror t1 = signature1.get(i);
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309 TypeMirror t2 = signature2.get(i);
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310
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311 int typeResult = compareParameter(typeSystem, t1, t2);
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312 if (result == 0) {
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313 result = typeResult;
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314 } else if (typeResult != 0 && Math.signum(result) != Math.signum(typeResult)) {
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315 // We cannot define an order.
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316 return 0;
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317 }
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318 }
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319 if (result == 0 && signature1.size() > 0) {
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diff changeset
320 result = compareParameter(typeSystem, signature1.get(0), signature2.get(0));
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321 }
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322
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323 return result;
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324 }
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325
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326 private static int compareParameter(TypeSystemData data, TypeMirror signature1, TypeMirror signature2) {
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327 if (Utils.typeEquals(signature1, signature2)) {
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328 return 0;
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329 }
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330
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331 int index1 = data.findType(signature1);
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332 int index2 = data.findType(signature2);
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333 if (index1 != -1 && index2 != -1) {
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334 return index1 - index2;
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335 }
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336
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337 if (signature1.getKind() == TypeKind.DECLARED && signature2.getKind() == TypeKind.DECLARED) {
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338 TypeElement element1 = Utils.fromTypeMirror(signature1);
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339 TypeElement element2 = Utils.fromTypeMirror(signature2);
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340
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341 if (Utils.getDirectSuperTypes(element1).contains(element2)) {
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342 return -1;
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343 } else if (Utils.getDirectSuperTypes(element2).contains(element1)) {
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344 return 1;
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345 }
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346 }
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347 return Utils.getSimpleName(signature1).compareTo(Utils.getSimpleName(signature2));
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348 }
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349
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350 public static List<TypeMirror> getSignatureTypes(List<ActualParameter> params) {
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351 List<TypeMirror> types = new ArrayList<>();
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352 for (ActualParameter param : params) {
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353 if (param.getSpecification().isSignature()) {
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354 types.add(param.getType());
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355 }
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356 }
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357 return types;
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358 }
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359
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360 public static class Signature implements Iterable<TypeData>, Comparable<Signature> {
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361
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362 final List<TypeData> types;
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363
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364 public Signature() {
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365 this.types = new ArrayList<>();
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366 }
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367
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368 public Signature(List<TypeData> signature) {
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369 this.types = signature;
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370 }
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371
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372 @Override
79041ab43660 Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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373 public int hashCode() {
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374 return types.hashCode();
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375 }
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376
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377 public int size() {
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diff changeset
378 return types.size();
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379 }
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380
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381 public TypeData get(int index) {
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382 return types.get(index);
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383 }
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384
10600
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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385 public int compareTo(Signature other) {
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386 if (this == other) {
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diff changeset
387 return 0;
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388 } else if (types.size() != other.types.size()) {
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diff changeset
389 return types.size() - other.types.size();
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diff changeset
390 } else if (types.isEmpty()) {
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diff changeset
391 return 0;
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diff changeset
392 }
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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diff changeset
393
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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diff changeset
394 for (int i = 0; i < types.size(); i++) {
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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diff changeset
395 TypeData type1 = types.get(i);
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diff changeset
396 TypeData type2 = other.types.get(i);
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diff changeset
397
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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diff changeset
398 int comparison = type1.compareTo(type2);
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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diff changeset
399 if (comparison != 0) {
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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diff changeset
400 return comparison;
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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parents: 10597
diff changeset
401 }
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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parents: 10597
diff changeset
402 }
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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parents: 10597
diff changeset
403
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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parents: 10597
diff changeset
404 return 0;
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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parents: 10597
diff changeset
405 }
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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parents: 10597
diff changeset
406
10597
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diff changeset
407 public Signature combine(Signature genericSignature, Signature other) {
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diff changeset
408 assert types.size() == other.types.size();
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diff changeset
409 assert genericSignature.types.size() == other.types.size();
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parents:
diff changeset
410
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
411 if (this.equals(other)) {
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
412 return this;
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
413 }
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
414
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
415 Signature signature = new Signature();
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
416 for (int i = 0; i < types.size(); i++) {
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
417 TypeData type1 = types.get(i);
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
418 TypeData type2 = other.types.get(i);
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parents:
diff changeset
419 if (type1.equals(type2)) {
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
420 signature.types.add(type1);
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
421 } else {
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
422 signature.types.add(genericSignature.types.get(i));
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
423 }
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
424 }
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
425 return signature;
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
426 }
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
427
11193
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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parents: 10602
diff changeset
428 public boolean equalsParameters(Signature other) {
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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parents: 10602
diff changeset
429 if (size() != other.size()) {
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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parents: 10602
diff changeset
430 return false;
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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parents: 10602
diff changeset
431 }
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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parents: 10602
diff changeset
432 return types.subList(1, types.size()).equals(other.types.subList(1, other.types.size()));
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.
Christian Humer <christian.humer@gmail.com>
parents: 10602
diff changeset
433 }
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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parents: 10602
diff changeset
434
10597
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
435 @Override
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
436 public boolean equals(Object obj) {
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437 if (obj instanceof Signature) {
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438 return ((Signature) obj).types.equals(types);
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439 }
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440 return super.equals(obj);
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441 }
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442
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443 public Iterator<TypeData> iterator() {
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444 return types.iterator();
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445 }
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446
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447 @Override
79041ab43660 Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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448 public String toString() {
79041ab43660 Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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449 return types.toString();
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450 }
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451
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452 public boolean hasAnyParameterMatch(Signature other) {
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453 for (int i = 1; i < types.size(); i++) {
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454 TypeData type1 = types.get(i);
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455 TypeData type2 = other.types.get(i);
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456 if (type1.equals(type2)) {
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457 return true;
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458 }
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459 }
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460 return false;
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461 }
10600
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462
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463 public boolean isCompatibleTo(Signature signature) {
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464 if (size() != signature.size()) {
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465 return false;
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466 }
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467
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468 for (int i = 0; i < size(); i++) {
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469 TypeData o1 = get(i);
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470 TypeData o2 = signature.get(i);
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471 if (o1.equals(o2)) {
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472 continue;
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473 } else if (o2.isGeneric()) {
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474 continue;
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475 } else {
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476 return false;
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477 }
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478 }
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479 return true;
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480 }
10597
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diff changeset
481 }
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parents:
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482
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483 }