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annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/node/SpecializationMethodParser.java @ 11467:43eab069ca9b

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Truffle-DSL: improved error recovery of type systems and improved error testability infrastructure.
author Christian Humer <christian.humer@gmail.com>
date Thu, 29 Aug 2013 19:19:00 +0200
parents 4830676526e3
children 5a0c694ef735
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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.template.*;
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35 public class SpecializationMethodParser extends NodeMethodParser<SpecializationData> {
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37 public SpecializationMethodParser(ProcessorContext context, NodeData operation) {
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38 super(context, operation);
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39 }
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41 @Override
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42 public MethodSpec createSpecification(ExecutableElement method, AnnotationMirror mirror) {
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43 return createDefaultMethodSpec(method, mirror, true, null);
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44 }
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46 @Override
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47 public SpecializationData create(TemplateMethod method, boolean invalid) {
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48 return parseSpecialization(method);
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49 }
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51 @Override
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52 public Class<? extends Annotation> getAnnotationType() {
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53 return Specialization.class;
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54 }
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56 private SpecializationData parseSpecialization(TemplateMethod method) {
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57 int order = Utils.getAnnotationValue(Integer.class, method.getMarkerAnnotation(), "order");
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58 if (order < 0 && order != Specialization.DEFAULT_ORDER) {
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59 method.addError("Invalid order attribute %d. The value must be >= 0 or the default value.");
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60 }
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62 AnnotationValue rewriteValue = Utils.getAnnotationValue(method.getMarkerAnnotation(), "rewriteOn");
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63 List<TypeMirror> exceptionTypes = Utils.getAnnotationValueList(TypeMirror.class, method.getMarkerAnnotation(), "rewriteOn");
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64 List<SpecializationThrowsData> exceptionData = new ArrayList<>();
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65 for (TypeMirror exceptionType : exceptionTypes) {
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66 SpecializationThrowsData throwsData = new SpecializationThrowsData(method.getMarkerAnnotation(), rewriteValue, exceptionType);
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67 if (!Utils.canThrowType(method.getMethod().getThrownTypes(), exceptionType)) {
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68 throwsData.addError("Method must specify a throws clause with the exception type '%s'.", Utils.getQualifiedName(exceptionType));
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69 }
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70 exceptionData.add(throwsData);
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71 }
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73 Collections.sort(exceptionData, new Comparator<SpecializationThrowsData>() {
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75 @Override
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76 public int compare(SpecializationThrowsData o1, SpecializationThrowsData o2) {
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77 return Utils.compareByTypeHierarchy(o1.getJavaClass(), o2.getJavaClass());
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78 }
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79 });
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80 SpecializationData specialization = new SpecializationData(method, order, exceptionData);
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81 List<String> guardDefs = Utils.getAnnotationValueList(String.class, specialization.getMarkerAnnotation(), "guards");
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82 specialization.setGuardDefinitions(guardDefs);
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84 List<String> assumptionDefs = Utils.getAnnotationValueList(String.class, specialization.getMarkerAnnotation(), "assumptions");
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85 specialization.setAssumptions(assumptionDefs);
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87 for (String assumption : assumptionDefs) {
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88 if (!getNode().getAssumptions().contains(assumption)) {
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89 specialization.addError("Undeclared assumption '%s' used. Use @NodeAssumptions to declare them.", assumption);
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90 }
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91 }
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93 return specialization;
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94 }
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95 }