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comparison graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/parser/SpecializationMethodParser.java @ 16759:23415229349b

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Truffle-DSL: new package structure.
author Christian Humer <christian.humer@gmail.com>
date Mon, 11 Aug 2014 15:57:14 +0200
parents graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/node/SpecializationMethodParser.java@bd28da642eea
children 2db61eddcb97
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16758:c5f8eeb3cbc8 16759:23415229349b
1 /*
2 * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.oracle.truffle.dsl.processor.parser;
24
25 import java.lang.annotation.*;
26 import java.util.*;
27
28 import javax.lang.model.element.*;
29 import javax.lang.model.type.*;
30
31 import com.oracle.truffle.api.dsl.*;
32 import com.oracle.truffle.dsl.processor.*;
33 import com.oracle.truffle.dsl.processor.java.*;
34 import com.oracle.truffle.dsl.processor.model.*;
35 import com.oracle.truffle.dsl.processor.model.SpecializationData.SpecializationKind;
36
37 public class SpecializationMethodParser extends NodeMethodParser<SpecializationData> {
38
39 public SpecializationMethodParser(ProcessorContext context, NodeData operation) {
40 super(context, operation);
41 }
42
43 @Override
44 public MethodSpec createSpecification(ExecutableElement method, AnnotationMirror mirror) {
45 return createDefaultMethodSpec(method, mirror, true, null);
46 }
47
48 @Override
49 public SpecializationData create(TemplateMethod method, boolean invalid) {
50 return parseSpecialization(method);
51 }
52
53 @Override
54 public Class<? extends Annotation> getAnnotationType() {
55 return Specialization.class;
56 }
57
58 private SpecializationData parseSpecialization(TemplateMethod method) {
59 AnnotationValue rewriteValue = ElementUtils.getAnnotationValue(method.getMarkerAnnotation(), "rewriteOn");
60 List<TypeMirror> exceptionTypes = ElementUtils.getAnnotationValueList(TypeMirror.class, method.getMarkerAnnotation(), "rewriteOn");
61 List<SpecializationThrowsData> exceptionData = new ArrayList<>();
62 for (TypeMirror exceptionType : exceptionTypes) {
63 SpecializationThrowsData throwsData = new SpecializationThrowsData(method.getMarkerAnnotation(), rewriteValue, exceptionType);
64 if (!ElementUtils.canThrowType(method.getMethod().getThrownTypes(), exceptionType)) {
65 throwsData.addError("Method must specify a throws clause with the exception type '%s'.", ElementUtils.getQualifiedName(exceptionType));
66 }
67 exceptionData.add(throwsData);
68 }
69
70 Collections.sort(exceptionData, new Comparator<SpecializationThrowsData>() {
71
72 @Override
73 public int compare(SpecializationThrowsData o1, SpecializationThrowsData o2) {
74 return ElementUtils.compareByTypeHierarchy(o1.getJavaClass(), o2.getJavaClass());
75 }
76 });
77 SpecializationData specialization = new SpecializationData(getNode(), method, SpecializationKind.SPECIALIZED, exceptionData);
78
79 String insertBeforeName = ElementUtils.getAnnotationValue(String.class, method.getMarkerAnnotation(), "insertBefore");
80 if (!insertBeforeName.equals("")) {
81 specialization.setInsertBeforeName(insertBeforeName);
82 }
83
84 List<String> guardDefs = ElementUtils.getAnnotationValueList(String.class, specialization.getMarkerAnnotation(), "guards");
85 List<GuardExpression> guardExpressions = new ArrayList<>();
86 for (String guardDef : guardDefs) {
87 guardExpressions.add(new GuardExpression(guardDef));
88 }
89 specialization.setGuards(guardExpressions);
90
91 List<String> containsDefs = ElementUtils.getAnnotationValueList(String.class, specialization.getMarkerAnnotation(), "contains");
92 Set<String> containsNames = specialization.getContainsNames();
93 containsNames.clear();
94 if (containsDefs != null) {
95 for (String include : containsDefs) {
96 if (!containsNames.contains(include)) {
97 specialization.getContainsNames().add(include);
98 } else {
99 AnnotationValue value = ElementUtils.getAnnotationValue(specialization.getMarkerAnnotation(), "contains");
100 specialization.addError(value, "Duplicate contains declaration '%s'.", include);
101 }
102 }
103
104 }
105
106 List<String> assumptionDefs = ElementUtils.getAnnotationValueList(String.class, specialization.getMarkerAnnotation(), "assumptions");
107 specialization.setAssumptions(assumptionDefs);
108
109 for (String assumption : assumptionDefs) {
110 if (!getNode().getAssumptions().contains(assumption)) {
111 specialization.addError("Undeclared assumption '%s' used. Use @NodeAssumptions to declare them.", assumption);
112 }
113 }
114
115 return specialization;
116 }
117 }