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annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/generator/NodeCodeGenerator.java @ 18753:f6b8787dc113

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Truffle-DSL: replace complex factory system with a much simpler version
author Christian Humer <christian.humer@gmail.com>
date Mon, 29 Dec 2014 23:38:21 +0100
parents 1acaa69ff61b
children 59bf50cc5a32
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1 /*
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2 * Copyright (c) 2012, 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 java.util.*;
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26
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27 import javax.lang.model.element.*;
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29 import com.oracle.truffle.dsl.processor.*;
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30 import com.oracle.truffle.dsl.processor.java.model.*;
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31 import com.oracle.truffle.dsl.processor.model.*;
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32
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33 public class NodeCodeGenerator extends CodeTypeElementFactory<NodeData> {
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34
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35 @Override
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36 public CodeTypeElement create(ProcessorContext context, NodeData node) {
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37 List<CodeTypeElement> enclosedTypes = new ArrayList<>();
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38 for (NodeData childNode : node.getEnclosingNodes()) {
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39 CodeTypeElement type = create(context, childNode);
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40 if (type != null) {
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41 enclosedTypes.add(type);
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42 }
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43 }
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44 List<CodeTypeElement> generatedNodes = generateNodes(context, node);
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45
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46 if (!generatedNodes.isEmpty() || !enclosedTypes.isEmpty()) {
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47 CodeTypeElement type = wrapGeneratedNodes(context, node, generatedNodes);
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48
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49 for (CodeTypeElement enclosedFactory : enclosedTypes) {
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50 Set<Modifier> modifiers = enclosedFactory.getModifiers();
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51 if (!modifiers.contains(Modifier.STATIC)) {
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52 modifiers.add(Modifier.STATIC);
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53 }
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54 type.add(enclosedFactory);
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55 }
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56 return type;
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57 } else {
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58 return null;
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59 }
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60 }
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61
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62 private static CodeTypeElement wrapGeneratedNodes(ProcessorContext context, NodeData node, List<CodeTypeElement> generatedNodes) {
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63 // wrap all types into a generated factory
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64 CodeTypeElement factoryElement = new NodeFactoryFactory(context, node, generatedNodes.isEmpty() ? null : generatedNodes.get(0)).create();
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65 for (CodeTypeElement generatedNode : generatedNodes) {
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66 factoryElement.add(generatedNode);
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67 }
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68 return factoryElement;
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69 }
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70
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71 private static List<CodeTypeElement> generateNodes(ProcessorContext context, NodeData node) {
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72 if (!node.needsFactory()) {
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73 return Collections.emptyList();
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74 }
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75 List<CodeTypeElement> nodeTypes = new ArrayList<>();
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76 SpecializationData generic = node.getGenericSpecialization() == null ? node.getSpecializations().get(0) : node.getGenericSpecialization();
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77 CodeTypeElement baseNode = new NodeBaseFactory(context, node, generic).create();
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78 nodeTypes.add(baseNode);
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79
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80 for (SpecializationData specialization : node.getSpecializations()) {
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81 if (!specialization.isReachable() || specialization.isGeneric()) {
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82 continue;
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83 }
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84 if (specialization.isPolymorphic() && node.isPolymorphic(context)) {
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85 nodeTypes.add(new PolymorphicNodeFactory(context, node, specialization, baseNode).create());
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86 continue;
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87 }
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88
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89 nodeTypes.add(new SpecializedNodeFactory(context, node, specialization, baseNode).create());
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90 }
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91 return nodeTypes;
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92 }
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93
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94 }