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annotate graal/com.oracle.graal.nodeinfo.processor/src/com/oracle/graal/nodeinfo/processor/GraphNodeGenerator.java @ 16895:06c15e88d383

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added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
author Doug Simon <doug.simon@oracle.com>
date Mon, 18 Aug 2014 14:04:21 +0200
parents 03a4d382c122
children f90dcdbbb75e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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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.graal.nodeinfo.processor;
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24
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25 import static com.oracle.truffle.dsl.processor.java.ElementUtils.*;
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26 import static java.util.Arrays.*;
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27 import static javax.lang.model.element.Modifier.*;
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28
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29 import java.util.*;
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30
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31 import javax.annotation.processing.*;
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32 import javax.lang.model.element.*;
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33 import javax.lang.model.type.*;
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34 import javax.lang.model.util.*;
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35
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36 import com.oracle.graal.nodeinfo.*;
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37 import com.oracle.truffle.dsl.processor.java.*;
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38 import com.oracle.truffle.dsl.processor.java.model.*;
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39
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40 /**
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41 * Generates the source code for a Node class.
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42 */
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43 public class GraphNodeGenerator {
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44
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45 final GraphNodeProcessor env;
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46 final TypeElement Input;
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47 final TypeElement OptionalInput;
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48 final TypeElement Successor;
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49
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50 final TypeElement Node;
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51 final TypeElement NodeInputList;
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52 final TypeElement NodeSuccessorList;
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53
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54 public GraphNodeGenerator(GraphNodeProcessor processor) {
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55 this.env = processor;
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56 this.Input = getType("com.oracle.graal.graph.Node.Input");
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57 this.OptionalInput = getType("com.oracle.graal.graph.Node.OptionalInput");
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58 this.Successor = getType("com.oracle.graal.graph.Node.Successor");
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59 this.Node = getType("com.oracle.graal.graph.Node");
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60 this.NodeInputList = getType("com.oracle.graal.graph.NodeInputList");
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61 this.NodeSuccessorList = getType("com.oracle.graal.graph.NodeSuccessorList");
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62 }
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63
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64 /**
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65 * Returns a type element given a canonical name.
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66 *
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67 * @throw {@link NoClassDefFoundError} if a type element does not exist for {@code name}
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68 */
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69 public TypeElement getType(String name) {
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70 TypeElement typeElement = env.getProcessingEnv().getElementUtils().getTypeElement(name);
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71 if (typeElement == null) {
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72 throw new NoClassDefFoundError(name);
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73 }
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74 return typeElement;
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75 }
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76
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77 public ProcessingEnvironment getProcessingEnv() {
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78 return env.getProcessingEnv();
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79 }
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80
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81 private static String getGeneratedClassName(TypeElement node) {
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82
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83 TypeElement typeElement = node;
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84
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85 String newClassName = typeElement.getSimpleName().toString() + "Gen";
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86 Element enclosing = typeElement.getEnclosingElement();
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87 while (enclosing != null) {
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88 if (enclosing.getKind() == ElementKind.CLASS || enclosing.getKind() == ElementKind.INTERFACE) {
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89 if (enclosing.getModifiers().contains(Modifier.PRIVATE)) {
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90 throw new ElementException(enclosing, "%s %s cannot be private", enclosing.getKind().name().toLowerCase(), enclosing);
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91 }
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92 newClassName = enclosing.getSimpleName() + "_" + newClassName;
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93 } else {
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94 assert enclosing.getKind() == ElementKind.PACKAGE;
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95 }
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96 enclosing = enclosing.getEnclosingElement();
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97 }
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98 return newClassName;
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99 }
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100
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101 public class FieldScanner {
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102 /**
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103 * @param field
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104 * @param isOptional
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105 * @param isList
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106 * @return true if field scanning should continue
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107 */
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108 public boolean scanInputField(VariableElement field, boolean isOptional, boolean isList) {
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109 return true;
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110 }
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111
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112 /**
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113 * @param field
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114 * @param isList
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115 * @return true if field scanning should continue
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116 */
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117 public boolean scanSuccessorField(VariableElement field, boolean isList) {
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118 return true;
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119 }
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120
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121 /**
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122 * @param field
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123 * @return true if field scanning should continue
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124 */
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125 public boolean scanDataField(VariableElement field) {
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126 return true;
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
127 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
128 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
129
16895
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
130 public boolean isAssignableWithErasure(Element from, Element to) {
16893
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
131 Types types = env.getProcessingEnv().getTypeUtils();
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
132 TypeMirror fromType = types.erasure(from.asType());
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
133 TypeMirror toType = types.erasure(to.asType());
16895
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
134 return types.isAssignable(fromType, toType);
16893
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
135 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
136
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
137 public void scanFields(TypeElement node, FieldScanner scanner) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
138 TypeElement currentClazz = node;
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
139 do {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
140 for (VariableElement field : ElementFilter.fieldsIn(currentClazz.getEnclosedElements())) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
141 Set<Modifier> modifiers = field.getModifiers();
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
142 if (modifiers.contains(STATIC) || modifiers.contains(TRANSIENT)) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
143 continue;
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
144 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
145
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
146 List<? extends AnnotationMirror> annotations = field.getAnnotationMirrors();
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
147
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
148 boolean isNonOptionalInput = findAnnotationMirror(annotations, Input) != null;
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
149 boolean isOptionalInput = findAnnotationMirror(annotations, OptionalInput) != null;
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
150 boolean isSuccessor = findAnnotationMirror(annotations, Successor) != null;
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
151
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
152 if (isNonOptionalInput || isOptionalInput) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
153 if (findAnnotationMirror(annotations, Successor) != null) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
154 throw new ElementException(field, "Field cannot be both input and successor");
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
155 } else if (isNonOptionalInput && isOptionalInput) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
156 throw new ElementException(field, "Inputs must be either optional or non-optional");
16895
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
157 } else if (isAssignableWithErasure(field, NodeInputList)) {
16893
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
158 if (!modifiers.contains(FINAL)) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
159 throw new ElementException(field, "Input list field must be final");
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
160 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
161 if (modifiers.contains(PUBLIC)) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
162 throw new ElementException(field, "Input list field must not be public");
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
163 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
164 if (!scanner.scanInputField(field, isOptionalInput, true)) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
165 return;
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
166 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
167 } else {
16895
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
168 if (!isAssignableWithErasure(field, Node) && field.getKind() == ElementKind.INTERFACE) {
16893
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
169 throw new ElementException(field, "Input field type must be an interface or assignable to Node");
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
170 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
171 if (modifiers.contains(FINAL)) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
172 throw new ElementException(field, "Input field must not be final");
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
173 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
174 // if (modifiers.contains(PRIVATE) || modifiers.contains(PUBLIC) || modifiers.contains(PROTECTED)) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
175 // throw new ElementException(field, "Input field must be package-private");
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
176 // }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
177 if (!modifiers.contains(PRIVATE)) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
178 throw new ElementException(field, "Input field must be private");
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
179 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
180 if (!scanner.scanInputField(field, isOptionalInput, false)) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
181 return;
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
182 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
183 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
184 } else if (isSuccessor) {
16895
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
185 if (isAssignableWithErasure(field, NodeSuccessorList)) {
16893
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
186 if (!modifiers.contains(FINAL)) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
187 throw new ElementException(field, "Successor list field must be final");
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
188 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
189 if (modifiers.contains(PUBLIC)) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
190 throw new ElementException(field, "Successor list field must not be public");
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
191 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
192 if (!scanner.scanSuccessorField(field, true)) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
193 return;
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
194 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
195 } else {
16895
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
196 if (!isAssignableWithErasure(field, Node)) {
16893
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
197 throw new ElementException(field, "Successor field must be a Node type");
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
198 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
199 if (modifiers.contains(FINAL)) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
200 throw new ElementException(field, "Successor field must not be final");
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
201 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
202 // if (modifiers.contains(PRIVATE) || modifiers.contains(PUBLIC) || modifiers.contains(PROTECTED)) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
203 // throw new ElementException(field, "Successor field must be package-private");
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
204 // }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
205 if (!modifiers.contains(PRIVATE)) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
206 throw new ElementException(field, "Successor field must be private");
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
207 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
208 if (!scanner.scanSuccessorField(field, false)) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
209 return;
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
210 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
211 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
212
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
213 } else {
16895
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
214 if (isAssignableWithErasure(field, Node) && !field.getSimpleName().contentEquals("Null")) {
16893
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
215 throw new ElementException(field, "Suspicious Node field: " + field);
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
216 }
16895
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
217 if (isAssignableWithErasure(field, NodeInputList)) {
16893
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
218 throw new ElementException(field, "Suspicious NodeInputList field");
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
219 }
16895
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
220 if (isAssignableWithErasure(field, NodeSuccessorList)) {
16893
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
221 throw new ElementException(field, "Suspicious NodeSuccessorList field");
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
222 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
223 if (!scanner.scanDataField(field)) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
224 return;
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
225 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
226 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
227 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
228 currentClazz = getSuperType(currentClazz);
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
229 } while (!isObject(getSuperType(currentClazz).asType()));
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
230 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
231
16895
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
232 /**
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
233 * Determines if two parameter lists contain the
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
234 * {@linkplain Types#isSameType(TypeMirror, TypeMirror) same} types.
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
235 */
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
236 private boolean parametersMatch(List<? extends VariableElement> p1, List<? extends VariableElement> p2) {
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
237 if (p1.size() == p2.size()) {
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
238 for (int i = 0; i < p1.size(); i++) {
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
239 if (!env.getProcessingEnv().getTypeUtils().isSameType(p1.get(i).asType(), p2.get(i).asType())) {
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
240 return false;
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
241 }
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
242 }
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
243 return true;
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16893
diff changeset
244 }
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245 return false;
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246 }
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247
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248 /**
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249 * Searches a type for a method based on a given name and parameter types.
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250 */
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251 public ExecutableElement findMethod(TypeElement type, String name, List<? extends VariableElement> parameters) {
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252 List<? extends ExecutableElement> methods = ElementFilter.methodsIn(type.getEnclosedElements());
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253 for (ExecutableElement method : methods) {
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254 if (method.getSimpleName().toString().equals(name)) {
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255 if (parametersMatch(method.getParameters(), parameters)) {
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256 return method;
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257 }
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258 }
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259 }
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260 return null;
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261 }
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262
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263 public CodeCompilationUnit process(TypeElement node) {
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264
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265 CodeCompilationUnit compilationUnit = new CodeCompilationUnit();
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266
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267 PackageElement packageElement = ElementUtils.findPackageElement(node);
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268
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269 String newClassName = getGeneratedClassName(node);
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270
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271 CodeTypeElement nodeGenElement = new CodeTypeElement(modifiers(), ElementKind.CLASS, packageElement, newClassName);
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272
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273 nodeGenElement.setSuperClass(node.asType());
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274
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275 for (ExecutableElement constructor : ElementFilter.constructorsIn(node.getEnclosedElements())) {
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276 if (constructor.getModifiers().contains(PUBLIC)) {
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277 throw new ElementException(constructor, "Node class constructor must not be public");
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278 }
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279
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280 checkFactoryMethodExists(node, newClassName, constructor);
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281
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282 CodeExecutableElement subConstructor = createConstructor(nodeGenElement, constructor);
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283 subConstructor.getModifiers().removeAll(Arrays.asList(PUBLIC, PRIVATE, PROTECTED));
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284 nodeGenElement.add(subConstructor);
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285 }
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286
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287 DeclaredType generatedNode = (DeclaredType) ElementUtils.getType(getProcessingEnv(), GeneratedNode.class);
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288 CodeAnnotationMirror generatedByMirror = new CodeAnnotationMirror(generatedNode);
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289 generatedByMirror.setElementValue(generatedByMirror.findExecutableElement("value"), new CodeAnnotationValue(node.asType()));
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290 nodeGenElement.getAnnotationMirrors().add(generatedByMirror);
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291
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292 nodeGenElement.add(createIsLeafNodeMethod(node));
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293
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294 compilationUnit.add(nodeGenElement);
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295 return compilationUnit;
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296 }
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297
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298 /**
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299 * Checks that a public static factory method named {@code "create"} exists in {@code node}
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300 * whose signature matches that of a given constructor.
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301 *
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302 * @throws ElementException if the check fails
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303 */
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304 private void checkFactoryMethodExists(TypeElement node, String newClassName, ExecutableElement constructor) {
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305 ExecutableElement create = findMethod(node, "create", constructor.getParameters());
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306 if (create == null) {
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307 Formatter f = new Formatter();
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308 f.format("public static %s create(", node.getSimpleName());
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309 String sep = "";
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310 Formatter callArgs = new Formatter();
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311 for (VariableElement v : constructor.getParameters()) {
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312 f.format("%s%s %s", sep, ElementUtils.getSimpleName(v.asType()), v.getSimpleName());
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313 callArgs.format("%s%s", sep, v.getSimpleName());
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314 sep = ", ";
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315 }
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316 f.format(") { return new %s(%s); }", newClassName, callArgs);
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317 throw new ElementException(constructor, "Missing Node class factory method '%s'", f);
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318 }
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319 if (!create.getModifiers().containsAll(asList(PUBLIC, STATIC))) {
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320 throw new ElementException(constructor, "Node class factory method must be public and static");
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321 }
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322 }
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323
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324 private CodeExecutableElement createConstructor(TypeElement type, ExecutableElement element) {
16835
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325 CodeExecutableElement executable = CodeExecutableElement.clone(getProcessingEnv(), element);
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326
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327 // to create a constructor we have to set the return type to null.(TODO needs fix)
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328 executable.setReturnType(null);
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329 // we have to set the name manually otherwise <init> is inferred (TODO needs fix)
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330 executable.setSimpleName(CodeNames.of(type.getSimpleName().toString()));
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331
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332 CodeTreeBuilder b = executable.createBuilder();
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333 b.startStatement().startSuperCall();
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334 for (VariableElement v : element.getParameters()) {
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335 b.string(v.getSimpleName().toString());
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336 }
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337 b.end().end();
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338
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339 return executable;
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340 }
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341
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342 public ExecutableElement createIsLeafNodeMethod(TypeElement node) {
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343 CodeExecutableElement method = new CodeExecutableElement(modifiers(PUBLIC), ElementUtils.getType(getProcessingEnv(), boolean.class), "isLeafNode");
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344 boolean[] isLeafNode = {true};
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345 scanFields(node, new FieldScanner() {
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346
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diff changeset
347 @Override
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348 public boolean scanInputField(VariableElement field, boolean isOptional, boolean isList) {
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349 isLeafNode[0] = false;
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diff changeset
350 return false;
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351 }
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diff changeset
352
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diff changeset
353 @Override
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354 public boolean scanSuccessorField(VariableElement field, boolean isList) {
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
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355 isLeafNode[0] = false;
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
356 return false;
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
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357 }
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
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358 });
16787
9346cbeeded3 Added initial version of the graal graph nodes annotation processor.
Christian Humer <christian.humer@gmail.com>
parents:
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359
9346cbeeded3 Added initial version of the graal graph nodes annotation processor.
Christian Humer <christian.humer@gmail.com>
parents:
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360 CodeTreeBuilder builder = method.createBuilder();
16893
03a4d382c122 introduced ElementException; don't process abstract Node classes; generate isLeafNode method
Doug Simon <doug.simon@oracle.com>
parents: 16847
diff changeset
361 builder.startReturn().string(String.valueOf(isLeafNode[0])).end();
16787
9346cbeeded3 Added initial version of the graal graph nodes annotation processor.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
362
9346cbeeded3 Added initial version of the graal graph nodes annotation processor.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
363 return method;
9346cbeeded3 Added initial version of the graal graph nodes annotation processor.
Christian Humer <christian.humer@gmail.com>
parents:
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364 }
9346cbeeded3 Added initial version of the graal graph nodes annotation processor.
Christian Humer <christian.humer@gmail.com>
parents:
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365 }