Thu, 25 Aug 2011 17:18:25 -0700
Added tag jdk8-b02 for changeset b3c059de2a61
1 /*
2 * Copyright (c) 2004, 2007, 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 */
25 import com.sun.mirror.apt.*;
26 import com.sun.mirror.declaration.*;
27 import com.sun.mirror.type.*;
28 import com.sun.mirror.util.*;
30 import java.util.Collection;
31 import java.util.Set;
32 import java.util.Map;
33 import java.util.Arrays;
34 import java.util.Collections;
37 public class Scanner implements AnnotationProcessorFactory {
38 static class ScannerProc implements AnnotationProcessor {
39 AnnotationProcessorEnvironment env;
40 ScannerProc(AnnotationProcessorEnvironment env) {
41 this.env = env;
42 }
44 static class CountingVisitor extends SimpleDeclarationVisitor {
45 int count;
46 CountingVisitor() {
47 count = 0;
48 }
50 public void visitDeclaration(Declaration d) {
51 count++;
53 Collection<AnnotationMirror> ams = d.getAnnotationMirrors();
54 if (ams == null)
55 throw new RuntimeException("Declaration " + d +
56 " not annotated with visit order.");
57 else {
58 if (ams.size() != 1)
59 throw new RuntimeException("Declaration " + d +
60 " has wrong number of declarations.");
61 else {
62 for(AnnotationMirror am: ams) {
63 Map<AnnotationTypeElementDeclaration,AnnotationValue> elementValues = am.getElementValues();
64 for(AnnotationTypeElementDeclaration atmd: elementValues.keySet()) {
65 if (!atmd.getDeclaringType().toString().equals("VisitOrder"))
66 throw new RuntimeException("Annotation " + atmd +
67 " is the wrong type.");
68 else {
69 AnnotationValue av =
70 elementValues.get(atmd);
71 Integer value = (Integer) av.getValue();
72 if (value.intValue() != count)
73 throw new RuntimeException("Expected declaration " + d +
74 " to be in position " + count +
75 " instead of " + value.intValue());
77 System.out.println("Declaration " + d +
78 ": visit order " + value.intValue());
79 }
80 }
82 }
83 }
84 }
86 }
87 }
89 public void process() {
90 for(TypeDeclaration td: env.getSpecifiedTypeDeclarations() ) {
91 td.accept(DeclarationVisitors.getSourceOrderDeclarationScanner(new CountingVisitor(),
92 DeclarationVisitors.NO_OP));
93 }
94 }
95 }
98 static Collection<String> supportedTypes;
99 static {
100 String types[] = {"*"};
101 supportedTypes = Collections.unmodifiableCollection(Arrays.asList(types));
102 }
104 static Collection<String> supportedOptions;
105 static {
106 String options[] = {""};
107 supportedOptions = Collections.unmodifiableCollection(Arrays.asList(options));
108 }
110 public Collection<String> supportedOptions() {
111 return supportedOptions;
112 }
114 public Collection<String> supportedAnnotationTypes() {
115 return supportedTypes;
116 }
118 public AnnotationProcessor getProcessorFor(Set<AnnotationTypeDeclaration> atds,
119 AnnotationProcessorEnvironment env) {
120 return new ScannerProc(env);
121 }
123 }