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annotate graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/template/ClassElementFactory.java @ 8248:c4c3f50fa9c2

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Fixes for codegen builtins support.
author Christian Humer <christian.humer@gmail.com>
date Tue, 12 Mar 2013 11:37:32 +0100
parents 5e3d1a68664e
children 97ad6d3e7557
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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.codegen.processor.template;
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24
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25 import static com.oracle.truffle.codegen.processor.Utils.*;
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26 import static javax.lang.model.element.Modifier.*;
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27
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28 import java.util.*;
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29
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30 import javax.lang.model.element.*;
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31 import javax.lang.model.type.*;
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32 import javax.lang.model.util.*;
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33
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34 import com.oracle.truffle.api.codegen.*;
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35 import com.oracle.truffle.codegen.processor.*;
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36 import com.oracle.truffle.codegen.processor.ast.*;
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37
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38 public abstract class ClassElementFactory<M> extends CodeElementFactory<M> {
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39
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40 public ClassElementFactory(ProcessorContext context) {
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41 super(context);
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42 }
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43
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44 @Override
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45 protected abstract CodeTypeElement create(M m);
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46
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47 @Override
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48 public CodeTypeElement getElement() {
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49 return (CodeTypeElement) super.getElement();
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50 }
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51
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52 protected CodeExecutableElement createConstructorUsingFields(Set<Modifier> modifiers, CodeTypeElement clazz) {
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53 CodeExecutableElement method = new CodeExecutableElement(modifiers, null, clazz.getSimpleName().toString());
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54 CodeTreeBuilder builder = method.createBuilder();
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55 TypeElement superClass = fromTypeMirror(clazz.getSuperclass());
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56 ExecutableElement constructor = findConstructor(superClass);
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57 if (constructor != null && constructor.getParameters().size() > 0) {
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58 builder.startStatement();
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59 builder.startSuperCall();
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60 for (VariableElement parameter : constructor.getParameters()) {
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61 method.addParameter(new CodeVariableElement(parameter.asType(), parameter.getSimpleName().toString()));
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62 builder.string(parameter.getSimpleName().toString());
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63 }
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64 builder.end(); // super
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65 builder.end(); // statement
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66 }
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67
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68 for (VariableElement field : clazz.getFields()) {
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69 if (field.getModifiers().contains(STATIC)) {
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70 continue;
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71 }
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72 String fieldName = field.getSimpleName().toString();
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73 method.addParameter(new CodeVariableElement(field.asType(), fieldName));
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74 builder.startStatement();
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75 builder.string("this.");
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76 builder.string(fieldName);
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77 builder.string(" = ");
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78 if (isAssignable(field.asType(), getContext().getTruffleTypes().getNode())) {
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79 builder.string("adoptChild(").string(fieldName).string(")");
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80 } else {
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81 builder.string(fieldName);
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82 }
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83 builder.end(); // statement
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84 }
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85
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86 return method;
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87 }
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88
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89 private static ExecutableElement findConstructor(TypeElement clazz) {
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90 List<ExecutableElement> constructors = ElementFilter.constructorsIn(clazz.getEnclosedElements());
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91 if (constructors.isEmpty()) {
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92 return null;
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93 } else {
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94 return constructors.get(0);
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95 }
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96 }
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97
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98 protected CodeExecutableElement createSuperConstructor(TypeElement type, ExecutableElement element) {
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99 if (element.getModifiers().contains(Modifier.PRIVATE)) {
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100 return null;
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101 }
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102
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103 CodeExecutableElement executable = CodeExecutableElement.clone(getContext().getEnvironment(), element);
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104 executable.setReturnType(null);
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105 executable.setSimpleName(CodeNames.of(type.getSimpleName().toString()));
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106 CodeTreeBuilder b = executable.createBuilder();
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107 b.startStatement();
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108 b.startSuperCall();
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109 for (VariableElement v : element.getParameters()) {
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110 b.string(v.getSimpleName().toString());
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111 }
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112 b.end();
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113 b.end();
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114
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115 return executable;
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116 }
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117
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118 protected CodeTypeElement createClass(Template model, Set<Modifier> modifiers, String simpleName, TypeMirror superType, boolean enumType) {
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119 TypeElement templateType = model.getTemplateType();
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120
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121 PackageElement pack = getContext().getEnvironment().getElementUtils().getPackageOf(templateType);
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122 CodeTypeElement clazz = new CodeTypeElement(modifiers, enumType ? ElementKind.ENUM : ElementKind.CLASS, pack, simpleName);
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123 TypeMirror resolvedSuperType = superType;
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124 if (resolvedSuperType == null) {
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125 resolvedSuperType = getContext().getType(Object.class);
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126 }
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127 clazz.setSuperClass(resolvedSuperType);
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128
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129 CodeAnnotationMirror generatedByAnnotation = new CodeAnnotationMirror((DeclaredType) getContext().getType(GeneratedBy.class));
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130 generatedByAnnotation.setElementValue(generatedByAnnotation.findExecutableElement("value"), new CodeAnnotationValue(templateType.asType()));
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131 if (model.getTemplateMethodName() != null) {
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132 generatedByAnnotation.setElementValue(generatedByAnnotation.findExecutableElement("methodName"), new CodeAnnotationValue(model.getTemplateMethodName()));
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133 }
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134
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135 clazz.addAnnotationMirror(generatedByAnnotation);
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136
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137 context.registerType(model.getTemplateType(), clazz.asType());
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138
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139 return clazz;
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140 }
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141 }