1 /*
2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
3  *
4  * This code is free software; you can redistribute it and/or modify it
5  * under the terms of the GNU General Public License version 2 only, as
6  * published by the Free Software Foundation.  Oracle designates this
7  * particular file as subject to the "Classpath" exception as provided
8  * by Oracle in the LICENSE file that accompanied this code.
9  *
10  * This code is distributed in the hope that it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13  * version 2 for more details (a copy is included in the LICENSE file that
14  * accompanied this code).
15  *
16  * You should have received a copy of the GNU General Public License version
17  * 2 along with this work; if not, write to the Free Software Foundation,
18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19  *
20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21  * or visit www.oracle.com if you need additional information or have any
22  * questions.
23  */
24 
25 /*
26  * This file is available under and governed by the GNU General Public
27  * License version 2 only, as published by the Free Software Foundation.
28  * However, the following notice accompanied the original version of this
29  * file:
30  *
31  * ASM: a very small and fast Java bytecode manipulation framework
32  * Copyright (c) 2000-2011 INRIA, France Telecom
33  * All rights reserved.
34  *
35  * Redistribution and use in source and binary forms, with or without
36  * modification, are permitted provided that the following conditions
37  * are met:
38  * 1. Redistributions of source code must retain the above copyright
39  *    notice, this list of conditions and the following disclaimer.
40  * 2. Redistributions in binary form must reproduce the above copyright
41  *    notice, this list of conditions and the following disclaimer in the
42  *    documentation and/or other materials provided with the distribution.
43  * 3. Neither the name of the copyright holders nor the names of its
44  *    contributors may be used to endorse or promote products derived from
45  *    this software without specific prior written permission.
46  *
47  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
48  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
49  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
50  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
51  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
52  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
53  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
54  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
55  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
56  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
57  * THE POSSIBILITY OF SUCH DAMAGE.
58  */
59 package jdk.internal.org.objectweb.asm.util;
60 
61 import jdk.internal.org.objectweb.asm.AnnotationVisitor;
62 import jdk.internal.org.objectweb.asm.Attribute;
63 import jdk.internal.org.objectweb.asm.FieldVisitor;
64 import jdk.internal.org.objectweb.asm.Opcodes;
65 import jdk.internal.org.objectweb.asm.TypePath;
66 
67 /**
68  * A {@link FieldVisitor} that prints the fields it visits with a
69  * {@link Printer}.
70  *
71  * @author Eric Bruneton
72  */
73 public final class TraceFieldVisitor extends FieldVisitor {
74 
75     public final Printer p;
76 
TraceFieldVisitor(final Printer p)77     public TraceFieldVisitor(final Printer p) {
78         this(null, p);
79     }
80 
TraceFieldVisitor(final FieldVisitor fv, final Printer p)81     public TraceFieldVisitor(final FieldVisitor fv, final Printer p) {
82         super(Opcodes.ASM5, fv);
83         this.p = p;
84     }
85 
86     @Override
visitAnnotation(final String desc, final boolean visible)87     public AnnotationVisitor visitAnnotation(final String desc,
88             final boolean visible) {
89         Printer p = this.p.visitFieldAnnotation(desc, visible);
90         AnnotationVisitor av = fv == null ? null : fv.visitAnnotation(desc,
91                 visible);
92         return new TraceAnnotationVisitor(av, p);
93     }
94 
95     @Override
visitTypeAnnotation(int typeRef, TypePath typePath, String desc, boolean visible)96     public AnnotationVisitor visitTypeAnnotation(int typeRef,
97             TypePath typePath, String desc, boolean visible) {
98         Printer p = this.p.visitFieldTypeAnnotation(typeRef, typePath, desc,
99                 visible);
100         AnnotationVisitor av = fv == null ? null : fv.visitTypeAnnotation(
101                 typeRef, typePath, desc, visible);
102         return new TraceAnnotationVisitor(av, p);
103     }
104 
105     @Override
visitAttribute(final Attribute attr)106     public void visitAttribute(final Attribute attr) {
107         p.visitFieldAttribute(attr);
108         super.visitAttribute(attr);
109     }
110 
111     @Override
visitEnd()112     public void visitEnd() {
113         p.visitFieldEnd();
114         super.visitEnd();
115     }
116 }
117