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annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/model/TemplateMethod.java @ 18761:a665483c3881

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Truffle-DSL: new node layout implementation.
author Christian Humer <christian.humer@gmail.com>
date Mon, 29 Dec 2014 23:38:54 +0100
parents 5ede308adf68
children ae81dd154fb6
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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 if (returnType != null) {
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66 parameterCache.put(returnType.getLocalName(), returnType);
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67 }
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68 this.id = id;
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69 }
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70
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71 public String createReferenceName() {
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72 if (getMethod() == null) {
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73 return "-";
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74 }
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75 return ElementUtils.createReferenceName(getMethod());
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76 }
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77
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78 public int getNaturalOrder() {
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79 return naturalOrder;
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80 }
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81
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82 public TemplateMethod(TemplateMethod method) {
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83 this(method.id, method.naturalOrder, method.template, method.specification, method.method, method.markerAnnotation, method.returnType, method.parameters);
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84 getMessages().addAll(method.getMessages());
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85 }
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86
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87 public TemplateMethod(TemplateMethod method, ExecutableElement executable) {
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88 this(method.id, method.naturalOrder, method.template, method.specification, executable, method.markerAnnotation, method.returnType, method.parameters);
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89 getMessages().addAll(method.getMessages());
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90 }
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91
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92 @Override
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93 public Element getMessageElement() {
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94 return method;
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95 }
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96
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97 @Override
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98 public AnnotationMirror getMessageAnnotation() {
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99 return markerAnnotation;
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100 }
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101
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102 @Override
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103 protected List<MessageContainer> findChildContainers() {
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104 return Collections.emptyList();
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105 }
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106
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107 public void setId(String id) {
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108 this.id = id;
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109 }
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110
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111 public String getId() {
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112 return id;
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113 }
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114
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115 public Template getTemplate() {
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116 return template;
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117 }
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118
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119 public MethodSpec getSpecification() {
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120 return specification;
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121 }
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122
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123 public Parameter getReturnType() {
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124 return returnType;
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125 }
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126
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127 public void replaceParameter(String localName, Parameter newParameter) {
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128 if (returnType.getLocalName().equals(localName)) {
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129 returnType = newParameter;
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130 returnType.setMethod(this);
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131 } else {
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132 Parameter local = findParameter(localName);
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133 int index = parameters.indexOf(local);
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134 parameters.set(index, newParameter);
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135 }
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136 }
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137
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138 public List<Parameter> getRequiredParameters() {
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139 List<Parameter> requiredParameters = new ArrayList<>();
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140 for (Parameter parameter : getParameters()) {
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141 if (getSpecification().getRequired().contains(parameter.getSpecification())) {
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142 requiredParameters.add(parameter);
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143 }
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144 }
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145 return requiredParameters;
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146 }
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147
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148 public Iterable<Parameter> getSignatureParameters() {
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149 return new FilteredIterable<>(getParameters(), new Predicate<Parameter>() {
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150 public boolean evaluate(Parameter value) {
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151 return value.getSpecification().isSignature();
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152 }
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153 });
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154 }
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155
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156 public List<Parameter> getParameters() {
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157 return parameters;
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158 }
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159
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160 public List<Parameter> findParameters(ParameterSpec spec) {
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161 List<Parameter> foundParameters = new ArrayList<>();
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162 for (Parameter param : getReturnTypeAndParameters()) {
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163 if (param.getSpecification().getName().equals(spec.getName())) {
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164 foundParameters.add(param);
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165 }
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166 }
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167 return foundParameters;
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168 }
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169
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170 public Parameter findParameterOrDie(NodeExecutionData execution) {
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171 for (Parameter parameter : parameters) {
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172 if (parameter.getSpecification().isSignature() && parameter.getSpecification().getExecution() == execution) {
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173 return parameter;
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174 }
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175 }
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176 throw new AssertionError("Could not find parameter for execution");
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177 }
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178
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179 public List<Parameter> findByExecutionData(NodeExecutionData execution) {
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180 List<Parameter> foundParameters = new ArrayList<>();
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181 for (Parameter parameter : getParameters()) {
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182 ParameterSpec spec = parameter.getSpecification();
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183 if (spec != null && spec.getExecution() != null && spec.getExecution().equals(execution) && parameter.getSpecification().isSignature()) {
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184 foundParameters.add(parameter);
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185 }
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186 }
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187 return foundParameters;
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188 }
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189
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190 public Parameter findParameter(String valueName) {
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191 return parameterCache.get(valueName);
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192 }
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193
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194 public List<Parameter> getReturnTypeAndParameters() {
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195 List<Parameter> allParameters = new ArrayList<>(getParameters().size() + 1);
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196 if (getReturnType() != null) {
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197 allParameters.add(getReturnType());
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198 }
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199 allParameters.addAll(getParameters());
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200 return Collections.unmodifiableList(allParameters);
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201 }
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202
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203 public boolean canBeAccessedByInstanceOf(TypeMirror type) {
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204 TypeMirror methodType = ElementUtils.findNearestEnclosingType(getMethod()).asType();
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205 return ElementUtils.isAssignable(type, methodType) || ElementUtils.isAssignable(methodType, type);
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206 }
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207
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208 public ExecutableElement getMethod() {
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209 return method;
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210 }
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211
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212 public String getMethodName() {
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213 if (getMethod() != null) {
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214 return getMethod().getSimpleName().toString();
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215 } else {
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216 return "$synthetic";
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217 }
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218 }
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219
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220 public AnnotationMirror getMarkerAnnotation() {
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221 return markerAnnotation;
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222 }
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223
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224 @Override
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225 public String toString() {
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226 return String.format("%s [id = %s, method = %s]", getClass().getSimpleName(), getId(), getMethod());
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227 }
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228
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229 public Parameter getPreviousParam(Parameter searchParam) {
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230 Parameter prev = null;
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231 for (Parameter param : getParameters()) {
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232 if (param == searchParam) {
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233 return prev;
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234 }
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235 prev = param;
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236 }
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237 return prev;
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238 }
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239
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240 @SuppressWarnings("unused")
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241 public int getSignatureSize() {
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242 int signatureSize = 0;
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243 for (Parameter parameter : getSignatureParameters()) {
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244 signatureSize++;
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245 }
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246 return signatureSize;
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247 }
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248
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249 public TypeSignature getTypeSignature() {
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250 TypeSignature signature = new TypeSignature();
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251 signature.types.add(getReturnType().getTypeSystemType());
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252 for (Parameter parameter : getSignatureParameters()) {
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253 TypeData typeData = parameter.getTypeSystemType();
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254 if (typeData != null) {
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255 signature.types.add(typeData);
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256 }
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257 }
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258 return signature;
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259 }
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260
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261 public Parameter getSignatureParameter(int searchIndex) {
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262 int index = 0;
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263 for (Parameter parameter : getParameters()) {
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264 if (!parameter.getSpecification().isSignature()) {
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265 continue;
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266 }
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267 if (index == searchIndex) {
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268 return parameter;
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269 }
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270 index++;
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271 }
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272 return null;
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273 }
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274
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275 public void updateSignature(TypeSignature signature) {
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276 // TODO(CH): fails in normal usage - output ok though
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277 // assert signature.size() >= 1;
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278
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279 int signatureIndex = 0;
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280 for (Parameter parameter : getReturnTypeAndParameters()) {
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281 if (!parameter.getSpecification().isSignature()) {
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282 continue;
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283 }
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284 if (signatureIndex >= signature.size()) {
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285 break;
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286 }
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287 TypeData newType = signature.get(signatureIndex++);
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288 if (!parameter.getTypeSystemType().equals(newType)) {
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289 replaceParameter(parameter.getLocalName(), new Parameter(parameter, newType));
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290 }
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291 }
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292 }
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293
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294 @Override
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295 public int compareTo(TemplateMethod o) {
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296 if (this == o) {
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297 return 0;
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298 }
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299
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300 int compare = compareBySignature(o);
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301 if (compare == 0) {
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302 // if signature sorting failed sort by id
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303 compare = getId().compareTo(o.getId());
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304 }
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diff changeset
305 if (compare == 0) {
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306 // if still no difference sort by enclosing type name
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307 TypeElement enclosingType1 = ElementUtils.findNearestEnclosingType(getMethod());
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diff changeset
308 TypeElement enclosingType2 = ElementUtils.findNearestEnclosingType(o.getMethod());
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diff changeset
309 compare = enclosingType1.getQualifiedName().toString().compareTo(enclosingType2.getQualifiedName().toString());
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310 }
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diff changeset
311 return compare;
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312 }
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313
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diff changeset
314 public List<Parameter> getParametersAfter(Parameter genericParameter) {
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315 boolean found = false;
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316 List<Parameter> foundParameters = new ArrayList<>();
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317 for (Parameter param : getParameters()) {
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diff changeset
318 if (param.getLocalName().equals(genericParameter.getLocalName())) {
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diff changeset
319 found = true;
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diff changeset
320 } else if (found) {
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diff changeset
321 foundParameters.add(param);
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diff changeset
322 }
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diff changeset
323 }
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diff changeset
324 return foundParameters;
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diff changeset
325 }
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diff changeset
326
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diff changeset
327 public int compareBySignature(TemplateMethod compareMethod) {
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
328 final TypeSystemData typeSystem = getTemplate().getTypeSystem();
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diff changeset
329 if (typeSystem != compareMethod.getTemplate().getTypeSystem()) {
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diff changeset
330 throw new IllegalStateException("Cannot compare two methods with different type systems.");
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331 }
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diff changeset
332
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diff changeset
333 List<TypeMirror> signature1 = getSignatureTypes(this);
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diff changeset
334 List<TypeMirror> signature2 = getSignatureTypes(compareMethod);
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diff changeset
335
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diff changeset
336 int result = 0;
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diff changeset
337 for (int i = 0; i < Math.max(signature1.size(), signature2.size()); i++) {
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diff changeset
338 TypeMirror t1 = i < signature1.size() ? signature1.get(i) : null;
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diff changeset
339 TypeMirror t2 = i < signature2.size() ? signature2.get(i) : null;
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diff changeset
340 result = compareParameter(typeSystem, t1, t2);
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diff changeset
341 if (result != 0) {
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diff changeset
342 break;
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343 }
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344 }
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345
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346 return result;
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347 }
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348
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349 protected static int compareParameter(TypeSystemData data, TypeMirror signature1, TypeMirror signature2) {
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350 if (signature1 == null) {
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351 return 1;
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352 } else if (signature2 == null) {
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353 return -1;
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354 }
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355
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356 if (ElementUtils.typeEquals(signature1, signature2)) {
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357 return 0;
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358 }
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359
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360 int index1 = data.findType(signature1);
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361 int index2 = data.findType(signature2);
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362 if (index1 != -1 && index2 != -1) {
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363 return index1 - index2;
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364 }
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365
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366 // TODO this version if subclass of should be improved.
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367 if (signature1.getKind() == TypeKind.DECLARED && signature2.getKind() == TypeKind.DECLARED) {
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368 TypeElement element1 = ElementUtils.fromTypeMirror(signature1);
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369 TypeElement element2 = ElementUtils.fromTypeMirror(signature2);
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370
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371 if (ElementUtils.getDirectSuperTypes(element1).contains(element2)) {
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372 return -1;
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373 } else if (ElementUtils.getDirectSuperTypes(element2).contains(element1)) {
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374 return 1;
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375 }
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376 }
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377 return ElementUtils.getSimpleName(signature1).compareTo(ElementUtils.getSimpleName(signature2));
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378 }
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379
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380 public static List<TypeMirror> getSignatureTypes(TemplateMethod method) {
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381 List<TypeMirror> types = new ArrayList<>();
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382 for (Parameter param : method.getSignatureParameters()) {
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383 types.add(param.getType());
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384 }
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385 return types;
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386 }
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387
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388 public static class TypeSignature implements Iterable<TypeData>, Comparable<TypeSignature> {
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389
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390 private final List<TypeData> types;
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391
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392 public TypeSignature() {
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393 this.types = new ArrayList<>();
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394 }
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395
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396 public TypeSignature(List<TypeData> signature) {
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397 this.types = signature;
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398 }
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399
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400 @Override
79041ab43660 Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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401 public int hashCode() {
79041ab43660 Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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402 return types.hashCode();
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403 }
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diff changeset
404
79041ab43660 Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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405 public int size() {
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406 return types.size();
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407 }
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diff changeset
408
79041ab43660 Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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diff changeset
409 public TypeData get(int index) {
79041ab43660 Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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diff changeset
410 return types.get(index);
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diff changeset
411 }
79041ab43660 Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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diff changeset
412
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413 public int compareTo(TypeSignature other) {
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diff changeset
414 if (this == other) {
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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diff changeset
415 return 0;
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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416 } else if (types.size() != other.types.size()) {
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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diff changeset
417 return types.size() - other.types.size();
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418 } else if (types.isEmpty()) {
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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diff changeset
419 return 0;
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
Christian Humer <christian.humer@gmail.com>
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diff changeset
420 }
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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parents: 10597
diff changeset
421
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
Christian Humer <christian.humer@gmail.com>
parents: 10597
diff changeset
422 for (int i = 0; i < types.size(); i++) {
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
Christian Humer <christian.humer@gmail.com>
parents: 10597
diff changeset
423 TypeData type1 = types.get(i);
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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diff changeset
424 TypeData type2 = other.types.get(i);
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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parents: 10597
diff changeset
425
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
Christian Humer <christian.humer@gmail.com>
parents: 10597
diff changeset
426 int comparison = type1.compareTo(type2);
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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parents: 10597
diff changeset
427 if (comparison != 0) {
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
Christian Humer <christian.humer@gmail.com>
parents: 10597
diff changeset
428 return comparison;
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
Christian Humer <christian.humer@gmail.com>
parents: 10597
diff changeset
429 }
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
Christian Humer <christian.humer@gmail.com>
parents: 10597
diff changeset
430 }
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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parents: 10597
diff changeset
431
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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parents: 10597
diff changeset
432 return 0;
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
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diff changeset
433 }
e93efe3ba5f4 Truffle-DSL: rewritten polymorphic optimization for simpler generated code.
Christian Humer <christian.humer@gmail.com>
parents: 10597
diff changeset
434
10597
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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) {
13527
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parents: 13271
diff changeset
437 if (obj instanceof TypeSignature) {
25ecb47a6d0e Truffle-DSL: Added support for references to child arrays in @ShortCircuit;
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parents: 13271
diff changeset
438 return ((TypeSignature) obj).types.equals(types);
10597
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diff changeset
439 }
79041ab43660 Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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diff changeset
440 return super.equals(obj);
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diff changeset
441 }
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
442
79041ab43660 Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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diff changeset
443 public Iterator<TypeData> iterator() {
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
444 return types.iterator();
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
445 }
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
446
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
447 @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
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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parents:
diff changeset
449 return types.toString();
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
450 }
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
451 }
79041ab43660 Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
452
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
453 }