annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/node/SpecializationMethodParser.java @ 16755:bd28da642eea

Truffle-DSL: Several new features implemented: Implementation of a new code generation layout which shares code between generated nodes. Declaration order of specializations is now used as specialization order. Specializations do no longer perform fallthrough on respecialization, they now always respecialize from the first specialization. Implemented support for contains relations between specializations. Improved reachability error messages. Preliminary support for @Implies.
author Christian Humer <christian.humer@gmail.com>
date Mon, 11 Aug 2014 15:53:05 +0200
parents 5a0c694ef735
children
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1 /*
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2 * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.truffle.dsl.processor.node;
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25 import java.lang.annotation.*;
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26 import java.util.*;
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28 import javax.lang.model.element.*;
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29 import javax.lang.model.type.*;
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31 import com.oracle.truffle.api.dsl.*;
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32 import com.oracle.truffle.dsl.processor.*;
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33 import com.oracle.truffle.dsl.processor.node.SpecializationData.SpecializationKind;
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34 import com.oracle.truffle.dsl.processor.template.*;
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35 import com.oracle.truffle.dsl.processor.typesystem.*;
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37 public class SpecializationMethodParser extends NodeMethodParser<SpecializationData> {
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38
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39 public SpecializationMethodParser(ProcessorContext context, NodeData operation) {
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40 super(context, operation);
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41 }
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42
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43 @Override
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44 public MethodSpec createSpecification(ExecutableElement method, AnnotationMirror mirror) {
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45 return createDefaultMethodSpec(method, mirror, true, null);
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46 }
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47
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48 @Override
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49 public SpecializationData create(TemplateMethod method, boolean invalid) {
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50 return parseSpecialization(method);
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51 }
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53 @Override
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54 public Class<? extends Annotation> getAnnotationType() {
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55 return Specialization.class;
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56 }
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57
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58 private SpecializationData parseSpecialization(TemplateMethod method) {
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59 AnnotationValue rewriteValue = Utils.getAnnotationValue(method.getMarkerAnnotation(), "rewriteOn");
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60 List<TypeMirror> exceptionTypes = Utils.getAnnotationValueList(TypeMirror.class, method.getMarkerAnnotation(), "rewriteOn");
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61 List<SpecializationThrowsData> exceptionData = new ArrayList<>();
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62 for (TypeMirror exceptionType : exceptionTypes) {
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63 SpecializationThrowsData throwsData = new SpecializationThrowsData(method.getMarkerAnnotation(), rewriteValue, exceptionType);
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64 if (!Utils.canThrowType(method.getMethod().getThrownTypes(), exceptionType)) {
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65 throwsData.addError("Method must specify a throws clause with the exception type '%s'.", Utils.getQualifiedName(exceptionType));
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66 }
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67 exceptionData.add(throwsData);
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68 }
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69
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70 Collections.sort(exceptionData, new Comparator<SpecializationThrowsData>() {
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71
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72 @Override
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73 public int compare(SpecializationThrowsData o1, SpecializationThrowsData o2) {
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74 return Utils.compareByTypeHierarchy(o1.getJavaClass(), o2.getJavaClass());
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75 }
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76 });
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77 SpecializationData specialization = new SpecializationData(getNode(), method, SpecializationKind.SPECIALIZED, exceptionData);
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78
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79 String insertBeforeName = Utils.getAnnotationValue(String.class, method.getMarkerAnnotation(), "insertBefore");
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80 if (!insertBeforeName.equals("")) {
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81 specialization.setInsertBeforeName(insertBeforeName);
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82 }
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83
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84 List<String> guardDefs = Utils.getAnnotationValueList(String.class, specialization.getMarkerAnnotation(), "guards");
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85 List<GuardExpression> guardExpressions = new ArrayList<>();
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86 for (String guardDef : guardDefs) {
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87 guardExpressions.add(new GuardExpression(guardDef));
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88 }
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89 specialization.setGuards(guardExpressions);
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90
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91 List<String> containsDefs = Utils.getAnnotationValueList(String.class, specialization.getMarkerAnnotation(), "contains");
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92 Set<String> containsNames = specialization.getContainsNames();
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93 containsNames.clear();
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94 if (containsDefs != null) {
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95 for (String include : containsDefs) {
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96 if (!containsNames.contains(include)) {
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97 specialization.getContainsNames().add(include);
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98 } else {
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99 AnnotationValue value = Utils.getAnnotationValue(specialization.getMarkerAnnotation(), "contains");
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100 specialization.addError(value, "Duplicate contains declaration '%s'.", include);
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101 }
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102 }
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103
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104 }
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105
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106 List<String> assumptionDefs = Utils.getAnnotationValueList(String.class, specialization.getMarkerAnnotation(), "assumptions");
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107 specialization.setAssumptions(assumptionDefs);
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108
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109 for (String assumption : assumptionDefs) {
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110 if (!getNode().getAssumptions().contains(assumption)) {
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111 specialization.addError("Undeclared assumption '%s' used. Use @NodeAssumptions to declare them.", assumption);
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112 }
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113 }
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114
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115 return specialization;
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116 }
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117 }