Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/node/SpecializationMethodParser.java @ 9279:2a4b57f02fb4
Implemented basic support for assumptions for sourcecode generation.
author | Christian Humer <christian.humer@gmail.com> |
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date | Wed, 24 Apr 2013 17:44:15 +0200 |
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Codegen operation generation is inferred from the node type hierarchy.
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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.codegen.processor.node; |
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24 |
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25 import java.lang.annotation.*; |
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26 import java.util.*; |
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27 |
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28 import javax.lang.model.element.*; |
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29 import javax.lang.model.type.*; |
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30 |
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31 import com.oracle.truffle.api.codegen.*; |
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32 import com.oracle.truffle.codegen.processor.*; |
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33 import com.oracle.truffle.codegen.processor.template.*; |
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34 |
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35 public class SpecializationMethodParser extends NodeMethodParser<SpecializationData> { |
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36 |
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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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40 |
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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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45 |
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46 @Override |
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47 public SpecializationData create(TemplateMethod method) { |
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48 return parseSpecialization(method); |
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49 } |
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50 |
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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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55 |
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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 return null; |
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61 } |
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62 |
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63 AnnotationValue rewriteValue = Utils.getAnnotationValue(method.getMarkerAnnotation(), "rewriteOn"); |
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64 List<TypeMirror> exceptionTypes = Utils.getAnnotationValueList(TypeMirror.class, method.getMarkerAnnotation(), "rewriteOn"); |
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65 List<SpecializationThrowsData> exceptionData = new ArrayList<>(); |
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66 for (TypeMirror exceptionType : exceptionTypes) { |
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67 SpecializationThrowsData throwsData = new SpecializationThrowsData(method.getMarkerAnnotation(), rewriteValue, exceptionType); |
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68 if (!Utils.canThrowType(method.getMethod().getThrownTypes(), exceptionType)) { |
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69 throwsData.addError("Method must specify a throws clause with the exception type '%s'.", Utils.getQualifiedName(exceptionType)); |
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70 } |
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71 exceptionData.add(throwsData); |
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72 } |
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73 |
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74 Collections.sort(exceptionData, new Comparator<SpecializationThrowsData>() { |
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75 |
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76 @Override |
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77 public int compare(SpecializationThrowsData o1, SpecializationThrowsData o2) { |
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78 return Utils.compareByTypeHierarchy(o1.getJavaClass(), o2.getJavaClass()); |
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79 } |
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80 }); |
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81 SpecializationData specialization = new SpecializationData(method, order, exceptionData); |
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82 List<String> guardDefs = Utils.getAnnotationValueList(String.class, specialization.getMarkerAnnotation(), "guards"); |
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83 specialization.setGuardDefinitions(guardDefs); |
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84 |
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85 List<String> assumptionDefs = Utils.getAnnotationValueList(String.class, specialization.getMarkerAnnotation(), "assumptions"); |
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86 specialization.setAssumptions(assumptionDefs); |
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87 |
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88 for (String assumption : assumptionDefs) { |
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89 if (!getNode().getAssumptions().contains(assumption)) { |
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90 specialization.addError("Undeclared assumption '%s' used. Use @NodeAssumptions to declare them.", assumption); |
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91 } |
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92 } |
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93 |
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94 return specialization; |
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95 } |
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96 } |