Mercurial > hg > graal-compiler
comparison graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/template/TemplateParser.java @ 7291:a748e4d44694
Truffle API to specify type-specalized Node classes; annotation processor for automatic code generation of the type-specialized Node classes during the build process
author | Christian Humer <christian.humer@gmail.com> |
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date | Fri, 21 Dec 2012 10:44:31 -0800 |
parents | |
children | 6343a09b2ec1 |
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7290:a81db08fe930 | 7291:a748e4d44694 |
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1 /* | |
2 * Copyright (c) 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.codegen.processor.template; | |
24 | |
25 import java.util.*; | |
26 | |
27 import javax.lang.model.element.*; | |
28 import javax.lang.model.util.*; | |
29 | |
30 import com.oracle.truffle.codegen.processor.*; | |
31 import com.oracle.truffle.codegen.processor.api.element.*; | |
32 import com.oracle.truffle.codegen.processor.ext.*; | |
33 | |
34 public abstract class TemplateParser<M extends Template> extends AbstractParser<M> { | |
35 | |
36 private final ExtensionParser extensionParser; | |
37 | |
38 public TemplateParser(ProcessorContext c) { | |
39 super(c); | |
40 extensionParser = new ExtensionParser(c); | |
41 } | |
42 | |
43 public ExtensionParser getExtensionParser() { | |
44 return extensionParser; | |
45 } | |
46 | |
47 protected boolean verifyExclusiveMethodAnnotation(TypeElement type, Class<?> ... annotationTypes) { | |
48 boolean valid = true; | |
49 List<ExecutableElement> methods = ElementFilter.methodsIn(type.getEnclosedElements()); | |
50 for (ExecutableElement method : methods) { | |
51 List<AnnotationMirror> foundAnnotations = new ArrayList<>(); | |
52 for (int i = 0; i < annotationTypes.length; i++) { | |
53 Class<?> annotationType = annotationTypes[i]; | |
54 AnnotationMirror mirror = Utils.findAnnotationMirror(context.getEnvironment(), method, annotationType); | |
55 if (mirror != null) { | |
56 foundAnnotations.add(mirror); | |
57 } | |
58 } | |
59 if (foundAnnotations.size() > 1) { | |
60 List<String> annotationNames = new ArrayList<>(); | |
61 for (AnnotationMirror mirror : foundAnnotations) { | |
62 annotationNames.add("@" + Utils.getSimpleName(mirror.getAnnotationType())); | |
63 } | |
64 | |
65 for (AnnotationMirror mirror : foundAnnotations) { | |
66 context.getLog().error(method, mirror, "Non exclusive usage of annotations %s.", annotationNames); | |
67 } | |
68 valid = false; | |
69 } | |
70 } | |
71 return valid; | |
72 } | |
73 | |
74 protected boolean verifyTemplateType(TypeElement template, AnnotationMirror annotation) { | |
75 // annotation type on class path!? | |
76 boolean valid = true; | |
77 TypeElement annotationTypeElement = processingEnv.getElementUtils().getTypeElement(getAnnotationType().getCanonicalName()); | |
78 if (annotationTypeElement == null) { | |
79 log.error(template, annotation, "Required class " + getAnnotationType().getName() + " is not on the classpath."); | |
80 valid = false; | |
81 } | |
82 if (template.getModifiers().contains(Modifier.PRIVATE)) { | |
83 log.error(template, annotation, "The annotated class must have at least package protected visibility."); | |
84 valid = false; | |
85 } | |
86 | |
87 if (template.getModifiers().contains(Modifier.FINAL)) { | |
88 log.error(template, annotation, "The annotated class must not be final."); | |
89 valid = false; | |
90 } | |
91 | |
92 return valid; | |
93 } | |
94 | |
95 protected <E extends TemplateMethod> List<E> parseMethods(Template template, TemplateMethodParser<E> parser) { | |
96 TypeElement type = template.getTemplateType(); | |
97 | |
98 List<ExecutableElement> methods = new ArrayList<>(); | |
99 methods.addAll(ElementFilter.methodsIn(type.getEnclosedElements())); | |
100 if (template.getExtensionElements() != null) { | |
101 for (WritableElement e : template.getExtensionElements()) { | |
102 if (e instanceof ExecutableElement) { | |
103 methods.add((ExecutableElement) e); | |
104 } | |
105 } | |
106 } | |
107 | |
108 List<E> parsedMethods = new ArrayList<>(); | |
109 boolean valid = true; | |
110 for (ExecutableElement method : methods) { | |
111 AnnotationMirror mirror = Utils.findAnnotationMirror(processingEnv, method, parser.getAnnotationType()); | |
112 if (mirror != null) { | |
113 if (method.getModifiers().contains(Modifier.PRIVATE)) { | |
114 log.error(method, "Methods annotated with @%s must not be private.", parser.getAnnotationType().getSimpleName()); | |
115 valid = false; | |
116 continue; | |
117 } | |
118 E parsedMethod = parser.parse(method, mirror, template); | |
119 if (parsedMethod != null) { | |
120 parsedMethods.add(parsedMethod); | |
121 } else { | |
122 valid = false; | |
123 } | |
124 } | |
125 } | |
126 if (!valid) { | |
127 return null; | |
128 } | |
129 return parsedMethods; | |
130 } | |
131 | |
132 | |
133 } |