Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/generator/NodeFactoryFactory.java @ 18780:f4d78e4a878d
Truffle-DSL: fixed create method should have the same visibility as its originating constructor. (GRAAL-365 #resolve)
author | Christian Humer <christian.humer@gmail.com> |
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date | Mon, 05 Jan 2015 20:23:22 +0100 |
parents | a720bf2e2f43 |
children | 4ce856e65728 |
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.truffle.dsl.processor.generator; |
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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 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 |
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33 import com.oracle.truffle.api.dsl.*; |
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34 import com.oracle.truffle.api.dsl.internal.*; |
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35 import com.oracle.truffle.dsl.processor.*; |
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36 import com.oracle.truffle.dsl.processor.java.*; |
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37 import com.oracle.truffle.dsl.processor.java.model.*; |
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38 import com.oracle.truffle.dsl.processor.java.model.CodeTypeMirror.ArrayCodeTypeMirror; |
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39 import com.oracle.truffle.dsl.processor.model.*; |
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40 |
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41 class NodeFactoryFactory { |
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42 |
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43 static final String FACTORY_METHOD_NAME = "create0"; |
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44 |
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45 private final ProcessorContext context; |
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46 private final NodeData node; |
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47 private final TypeSystemData typeSystem; |
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48 private final DSLOptions options; |
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49 private final CodeTypeElement createdFactoryElement; |
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50 |
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51 public NodeFactoryFactory(ProcessorContext context, NodeData node, CodeTypeElement createdClass) { |
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52 this.context = context; |
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53 this.node = node; |
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54 this.createdFactoryElement = createdClass; |
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55 this.typeSystem = node.getTypeSystem(); |
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56 this.options = typeSystem.getOptions(); |
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57 } |
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58 |
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59 public static String factoryClassName(NodeData node) { |
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60 return node.getNodeId() + "Factory"; |
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61 } |
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62 |
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63 public CodeTypeElement create() { |
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64 Modifier visibility = ElementUtils.getVisibility(node.getTemplateType().getModifiers()); |
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65 TypeMirror nodeFactory = ElementUtils.getDeclaredType(ElementUtils.fromTypeMirror(context.getTruffleTypes().getNodeFactoryBase()), node.getNodeType()); |
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66 |
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67 CodeTypeElement clazz = GeneratorUtils.createClass(node, null, modifiers(), factoryClassName(node), null); |
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68 if (visibility != null) { |
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69 clazz.getModifiers().add(visibility); |
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70 } |
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71 clazz.getModifiers().add(Modifier.FINAL); |
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72 |
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73 if (createdFactoryElement != null) { |
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74 clazz.setSuperClass(nodeFactory); |
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75 clazz.add(createNodeFactoryConstructor()); |
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76 clazz.add(createCreateNodeMethod()); |
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77 clazz.add(createGetInstanceMethod(visibility)); |
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78 clazz.add(createInstanceConstant(clazz.asType())); |
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79 createFactoryMethods(clazz); |
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80 } |
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81 |
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82 return clazz; |
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83 } |
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84 |
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85 private Element createNodeFactoryConstructor() { |
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86 CodeExecutableElement method = new CodeExecutableElement(modifiers(PRIVATE), null, factoryClassName(node)); |
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87 CodeTreeBuilder builder = method.createBuilder(); |
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88 builder.startStatement(); |
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89 builder.startCall("super"); |
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90 |
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91 // node type |
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92 builder.typeLiteral(node.getNodeType()); |
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93 |
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94 // execution signature |
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95 builder.startGroup(); |
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96 if (node.getChildExecutions().isEmpty()) { |
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97 builder.staticReference(context.getTruffleTypes().getDslMetadata(), NodeBaseFactory.EMPTY_CLASS_ARRAY); |
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98 } else { |
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99 builder.startNewArray(new ArrayCodeTypeMirror(context.getType(Class.class)), null); |
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100 for (NodeExecutionData execution : node.getChildExecutions()) { |
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101 builder.typeLiteral(execution.getNodeType()); |
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102 } |
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103 builder.end(); |
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104 } |
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105 builder.end(); |
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106 |
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107 // node signatures |
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108 builder.startGroup(); |
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109 builder.startNewArray(new ArrayCodeTypeMirror(new ArrayCodeTypeMirror(context.getType(Class.class))), null); |
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110 List<ExecutableElement> constructors = NodeBaseFactory.findUserConstructors(createdFactoryElement.asType()); |
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111 for (ExecutableElement constructor : constructors) { |
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112 builder.startGroup(); |
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113 if (constructor.getParameters().isEmpty()) { |
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114 builder.staticReference(context.getTruffleTypes().getDslMetadata(), NodeBaseFactory.EMPTY_CLASS_ARRAY); |
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115 } else { |
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116 builder.startNewArray(new ArrayCodeTypeMirror(context.getType(Class.class)), null); |
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117 for (VariableElement var : constructor.getParameters()) { |
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118 builder.typeLiteral(var.asType()); |
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119 } |
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120 builder.end(); |
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121 } |
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122 builder.end(); |
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123 } |
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124 builder.end(); |
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125 builder.end(); |
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126 |
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127 builder.end().end().end(); |
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128 return method; |
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129 } |
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130 |
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131 private CodeExecutableElement createCreateNodeMethod() { |
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132 CodeExecutableElement method = new CodeExecutableElement(modifiers(PUBLIC), node.getNodeType(), "createNode"); |
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133 CodeVariableElement arguments = new CodeVariableElement(context.getType(Object.class), "arguments"); |
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134 method.setVarArgs(true); |
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135 method.addParameter(arguments); |
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136 |
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137 CodeTreeBuilder builder = method.createBuilder(); |
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138 List<ExecutableElement> signatures = NodeBaseFactory.findUserConstructors(createdFactoryElement.asType()); |
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139 boolean ifStarted = false; |
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140 |
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141 for (ExecutableElement element : signatures) { |
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142 ifStarted = builder.startIf(ifStarted); |
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143 builder.string("arguments.length == " + element.getParameters().size()); |
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144 |
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145 int index = 0; |
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146 for (VariableElement param : element.getParameters()) { |
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147 if (ElementUtils.isObject(param.asType())) { |
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148 continue; |
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149 } |
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150 builder.string(" && "); |
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151 if (!param.asType().getKind().isPrimitive()) { |
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152 builder.string("(arguments[" + index + "] == null || "); |
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153 } |
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154 builder.string("arguments[" + index + "] instanceof "); |
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155 builder.type(ElementUtils.boxType(context, param.asType())); |
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156 if (!param.asType().getKind().isPrimitive()) { |
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157 builder.string(")"); |
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158 } |
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159 index++; |
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160 } |
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161 builder.end(); |
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162 builder.startBlock(); |
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163 |
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164 builder.startReturn().startCall("create"); |
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165 index = 0; |
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166 for (VariableElement param : element.getParameters()) { |
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167 builder.startGroup(); |
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168 if (!ElementUtils.isObject(param.asType())) { |
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169 builder.string("(").type(param.asType()).string(") "); |
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170 } |
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171 builder.string("arguments[").string(String.valueOf(index)).string("]"); |
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172 builder.end(); |
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173 index++; |
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174 } |
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175 builder.end().end(); |
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176 |
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177 builder.end(); // block |
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178 } |
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179 |
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180 builder.startElseBlock(); |
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181 builder.startThrow().startNew(context.getType(IllegalArgumentException.class)); |
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182 builder.doubleQuote("Invalid create signature."); |
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183 builder.end().end(); |
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184 builder.end(); // else block |
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185 return method; |
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186 } |
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187 |
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188 private ExecutableElement createGetInstanceMethod(Modifier visibility) { |
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189 TypeElement nodeFactoryType = ElementUtils.fromTypeMirror(context.getType(NodeFactory.class)); |
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190 TypeMirror returnType = ElementUtils.getDeclaredType(nodeFactoryType, node.getNodeType()); |
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191 |
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192 CodeExecutableElement method = new CodeExecutableElement(modifiers(), returnType, "getInstance"); |
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193 if (visibility != null) { |
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194 method.getModifiers().add(visibility); |
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195 } |
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196 method.getModifiers().add(Modifier.STATIC); |
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197 |
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198 String varName = instanceVarName(node); |
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199 |
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200 CodeTreeBuilder builder = method.createBuilder(); |
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201 builder.startIf(); |
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202 builder.string(varName).string(" == null"); |
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203 builder.end().startBlock(); |
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204 |
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205 builder.startStatement(); |
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206 builder.string(varName); |
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207 builder.string(" = "); |
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208 builder.startNew(factoryClassName(node)).end(); |
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209 builder.end(); |
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210 |
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211 builder.end(); |
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212 builder.startReturn().string(varName).end(); |
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213 return method; |
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214 } |
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215 |
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216 private static String instanceVarName(NodeData node) { |
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217 if (node.getDeclaringNode() != null) { |
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218 return ElementUtils.firstLetterLowerCase(factoryClassName(node)) + "Instance"; |
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219 } else { |
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220 return "instance"; |
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221 } |
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222 } |
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223 |
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224 private CodeVariableElement createInstanceConstant(TypeMirror factoryType) { |
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225 String varName = instanceVarName(node); |
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226 CodeVariableElement var = new CodeVariableElement(modifiers(), factoryType, varName); |
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227 var.getModifiers().add(Modifier.PRIVATE); |
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228 var.getModifiers().add(Modifier.STATIC); |
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229 return var; |
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230 } |
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231 |
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232 public void createFactoryMethods(CodeTypeElement clazz) { |
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233 List<ExecutableElement> constructors = NodeBaseFactory.findUserConstructors(createdFactoryElement.asType()); |
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234 for (ExecutableElement constructor : constructors) { |
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235 clazz.add(createCreateMethod(constructor)); |
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236 if (constructor instanceof CodeExecutableElement) { |
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237 ElementUtils.setVisibility(constructor.getModifiers(), Modifier.PRIVATE); |
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238 } |
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239 } |
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240 } |
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241 |
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242 private CodeExecutableElement createCreateMethod(ExecutableElement constructor) { |
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Truffle-DSL: fixed create method should have the same visibility as its originating constructor. (GRAAL-365 #resolve)
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243 Modifier visibility = ElementUtils.getVisibility(constructor.getModifiers()); |
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Truffle-DSL: replace complex factory system with a much simpler version
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244 CodeExecutableElement method = CodeExecutableElement.clone(context.getEnvironment(), constructor); |
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245 method.setSimpleName(CodeNames.of("create")); |
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246 method.getModifiers().clear(); |
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247 if (visibility != null) { |
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248 method.getModifiers().add(visibility); |
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249 } |
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250 method.getModifiers().add(Modifier.STATIC); |
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251 method.setReturnType(node.getNodeType()); |
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252 |
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253 CodeTreeBuilder body = method.createBuilder(); |
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254 body.startReturn(); |
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255 if (node.getSpecializations().isEmpty()) { |
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256 body.nullLiteral(); |
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257 } else { |
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258 if (options.useNewLayout()) { |
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259 body.startNew(NodeGenFactory.nodeType(node)); |
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260 } else { |
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261 body.startCall(NodeBaseFactory.nodeSpecializationClassName(node.getSpecializations().get(0)), FACTORY_METHOD_NAME); |
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262 } |
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263 for (VariableElement var : method.getParameters()) { |
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264 body.string(var.getSimpleName().toString()); |
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265 } |
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266 body.end(); |
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267 |
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268 } |
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269 body.end(); |
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270 return method; |
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271 } |
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272 } |