Mercurial > hg > truffle
comparison truffle/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/parser/SpecializationMethodParser.java @ 21951:9c8c0937da41
Moving all sources into truffle subdirectory
author | Jaroslav Tulach <jaroslav.tulach@oracle.com> |
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date | Wed, 17 Jun 2015 10:58:08 +0200 |
parents | graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/parser/SpecializationMethodParser.java@476374f3fe9a |
children | dc83cc1f94f2 |
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21950:2a5011c7e641 | 21951:9c8c0937da41 |
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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 MethodSpec spec = createDefaultMethodSpec(method, mirror, true, null); | |
46 spec.getAnnotations().add(new AnnotatedParameterSpec(getContext().getDeclaredType(Cached.class))); | |
47 return spec; | |
48 } | |
49 | |
50 @Override | |
51 public SpecializationData create(TemplateMethod method, boolean invalid) { | |
52 return parseSpecialization(method); | |
53 } | |
54 | |
55 @Override | |
56 public Class<? extends Annotation> getAnnotationType() { | |
57 return Specialization.class; | |
58 } | |
59 | |
60 private SpecializationData parseSpecialization(TemplateMethod method) { | |
61 List<SpecializationThrowsData> exceptionData = new ArrayList<>(); | |
62 if (method.getMethod() != null) { | |
63 AnnotationValue rewriteValue = ElementUtils.getAnnotationValue(method.getMarkerAnnotation(), "rewriteOn"); | |
64 List<TypeMirror> exceptionTypes = ElementUtils.getAnnotationValueList(TypeMirror.class, method.getMarkerAnnotation(), "rewriteOn"); | |
65 List<TypeMirror> rewriteOnTypes = new ArrayList<>(); | |
66 for (TypeMirror exceptionType : exceptionTypes) { | |
67 SpecializationThrowsData throwsData = new SpecializationThrowsData(method.getMarkerAnnotation(), rewriteValue, exceptionType); | |
68 if (!ElementUtils.canThrowType(method.getMethod().getThrownTypes(), exceptionType)) { | |
69 method.addError("A rewriteOn checked exception was specified but not thrown in the method's throws clause. The @%s method must specify a throws clause with the exception type '%s'.", | |
70 Specialization.class.getSimpleName(), ElementUtils.getQualifiedName(exceptionType)); | |
71 } | |
72 rewriteOnTypes.add(throwsData.getJavaClass()); | |
73 exceptionData.add(throwsData); | |
74 } | |
75 | |
76 for (TypeMirror typeMirror : method.getMethod().getThrownTypes()) { | |
77 if (!ElementUtils.canThrowType(rewriteOnTypes, typeMirror)) { | |
78 method.addError(rewriteValue, "A checked exception '%s' is thrown but is not specified using the rewriteOn property. " | |
79 + "Checked exceptions that are not used for rewriting are not handled by the DSL. Use RuntimeExceptions for this purpose instead.", | |
80 ElementUtils.getQualifiedName(typeMirror)); | |
81 } | |
82 } | |
83 | |
84 Collections.sort(exceptionData, new Comparator<SpecializationThrowsData>() { | |
85 | |
86 @Override | |
87 public int compare(SpecializationThrowsData o1, SpecializationThrowsData o2) { | |
88 return ElementUtils.compareByTypeHierarchy(o1.getJavaClass(), o2.getJavaClass()); | |
89 } | |
90 }); | |
91 } | |
92 SpecializationData specialization = new SpecializationData(getNode(), method, SpecializationKind.SPECIALIZED, exceptionData); | |
93 | |
94 if (method.getMethod() != null) { | |
95 String insertBeforeName = ElementUtils.getAnnotationValue(String.class, method.getMarkerAnnotation(), "insertBefore"); | |
96 if (!insertBeforeName.equals("")) { | |
97 specialization.setInsertBeforeName(insertBeforeName); | |
98 } | |
99 | |
100 List<String> containsDefs = ElementUtils.getAnnotationValueList(String.class, specialization.getMarkerAnnotation(), "contains"); | |
101 Set<String> containsNames = specialization.getContainsNames(); | |
102 containsNames.clear(); | |
103 if (containsDefs != null) { | |
104 for (String include : containsDefs) { | |
105 if (!containsNames.contains(include)) { | |
106 specialization.getContainsNames().add(include); | |
107 } else { | |
108 AnnotationValue value = ElementUtils.getAnnotationValue(specialization.getMarkerAnnotation(), "contains"); | |
109 specialization.addError(value, "Duplicate contains declaration '%s'.", include); | |
110 } | |
111 } | |
112 | |
113 } | |
114 } | |
115 | |
116 return specialization; | |
117 } | |
118 } |