Tue, 03 Jun 2008 13:26:47 -0700
4075303: Use javap to enquire aboput a specific inner class
4348375: Javap is not internationalized
4459541: "javap -l" shows line numbers as signed short; they should be unsigned
4501660: change diagnostic of -help as 'print this help message and exit'
4776241: unused source file in javap...
4870651: javap should recognize generics, varargs, enum
4876942: javap invoked without args does not print help screen
4880663: javap could output whitespace between class name and opening brace
4975569: javap doesn't print new flag bits
6271787: javap dumps LocalVariableTypeTable attribute in hex, needs to print a table
6305779: javap: support annotations
6439940: Clean up javap implementation
6469569: wrong check of searchpath in JavapEnvironment
6474890: javap does not open .zip files in -classpath
6587786: Javap throws error : "ERROR:Could not find <classname>" for JRE classes
6622215: javap ignores certain relevant access flags
6622216: javap names some attributes incorrectly
6622232: javap gets whitespace confused
6622260: javap prints negative bytes incorrectly in hex
Reviewed-by: ksrini
1 /*
2 * Copyright 2007 Sun Microsystems, Inc. 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. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
26 package com.sun.tools.javap;
28 import com.sun.tools.classfile.Annotation;
29 import com.sun.tools.classfile.Annotation.Annotation_element_value;
30 import com.sun.tools.classfile.Annotation.Array_element_value;
31 import com.sun.tools.classfile.Annotation.Class_element_value;
32 import com.sun.tools.classfile.Annotation.Enum_element_value;
33 import com.sun.tools.classfile.Annotation.Primitive_element_value;
35 /**
36 * A writer for writing annotations as text.
37 *
38 * <p><b>This is NOT part of any API supported by Sun Microsystems. If
39 * you write code that depends on this, you do so at your own risk.
40 * This code and its internal interfaces are subject to change or
41 * deletion without notice.</b>
42 */
43 public class AnnotationWriter extends BasicWriter {
44 static AnnotationWriter instance(Context context) {
45 AnnotationWriter instance = context.get(AnnotationWriter.class);
46 if (instance == null)
47 instance = new AnnotationWriter(context);
48 return instance;
49 }
51 protected AnnotationWriter(Context context) {
52 super(context);
53 }
55 public void write(Annotation annot) {
56 print("#" + annot.type_index + "(");
57 for (int i = 0; i < annot.num_element_value_pairs; i++) {
58 if (i > 0)
59 print(",");
60 write(annot.element_value_pairs[i]);
61 }
62 print(")");
63 }
65 public void write(Annotation.element_value_pair pair) {
66 print("#" + pair.element_name_index + ":");
67 write(pair.value);
68 }
70 public void write(Annotation.element_value value) {
71 ev_writer.write(value);
72 }
74 element_value_Writer ev_writer = new element_value_Writer();
76 class element_value_Writer implements Annotation.element_value.Visitor<Void,Void> {
77 public void write(Annotation.element_value value) {
78 value.accept(this, null);
79 }
81 public Void visitPrimitive(Primitive_element_value ev, Void p) {
82 print(((char) ev.tag) + "#" + ev.const_value_index);
83 return null;
84 }
86 public Void visitEnum(Enum_element_value ev, Void p) {
87 print(((char) ev.tag) + "#" + ev.type_name_index + ".#" + ev.const_name_index);
88 return null;
89 }
91 public Void visitClass(Class_element_value ev, Void p) {
92 print(((char) ev.tag) + "#" + ev.class_info_index);
93 return null;
94 }
96 public Void visitAnnotation(Annotation_element_value ev, Void p) {
97 print((char) ev.tag);
98 AnnotationWriter.this.write(ev.annotation_value);
99 return null;
100 }
102 public Void visitArray(Array_element_value ev, Void p) {
103 print("[");
104 for (int i = 0; i < ev.num_values; i++) {
105 if (i > 0)
106 print(",");
107 write(ev.values[i]);
108 }
109 print("]");
110 return null;
111 }
113 }
114 }