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
60package jdk.internal.org.objectweb.asm.commons;
61
62import java.util.Stack;
63
64import jdk.internal.org.objectweb.asm.Opcodes;
65import jdk.internal.org.objectweb.asm.signature.SignatureVisitor;
66
67/**
68 * A {@link SignatureVisitor} adapter for type mapping.
69 *
70 * @author Eugene Kuleshov
71 */
72public class SignatureRemapper extends SignatureVisitor {
73
74    private final SignatureVisitor v;
75
76    private final Remapper remapper;
77
78    private Stack<String> classNames = new Stack<String>();
79
80    public SignatureRemapper(final SignatureVisitor v, final Remapper remapper) {
81        this(Opcodes.ASM5, v, remapper);
82    }
83
84    protected SignatureRemapper(final int api, final SignatureVisitor v,
85            final Remapper remapper) {
86        super(api);
87        this.v = v;
88        this.remapper = remapper;
89    }
90
91    @Override
92    public void visitClassType(String name) {
93        classNames.push(name);
94        v.visitClassType(remapper.mapType(name));
95    }
96
97    @Override
98    public void visitInnerClassType(String name) {
99        String outerClassName = classNames.pop();
100        String className = outerClassName + '$' + name;
101        classNames.push(className);
102        String remappedOuter = remapper.mapType(outerClassName) + '$';
103        String remappedName = remapper.mapType(className);
104        int index = remappedName.startsWith(remappedOuter) ? remappedOuter
105                .length() : remappedName.lastIndexOf('$') + 1;
106        v.visitInnerClassType(remappedName.substring(index));
107    }
108
109    @Override
110    public void visitFormalTypeParameter(String name) {
111        v.visitFormalTypeParameter(name);
112    }
113
114    @Override
115    public void visitTypeVariable(String name) {
116        v.visitTypeVariable(name);
117    }
118
119    @Override
120    public SignatureVisitor visitArrayType() {
121        v.visitArrayType();
122        return this;
123    }
124
125    @Override
126    public void visitBaseType(char descriptor) {
127        v.visitBaseType(descriptor);
128    }
129
130    @Override
131    public SignatureVisitor visitClassBound() {
132        v.visitClassBound();
133        return this;
134    }
135
136    @Override
137    public SignatureVisitor visitExceptionType() {
138        v.visitExceptionType();
139        return this;
140    }
141
142    @Override
143    public SignatureVisitor visitInterface() {
144        v.visitInterface();
145        return this;
146    }
147
148    @Override
149    public SignatureVisitor visitInterfaceBound() {
150        v.visitInterfaceBound();
151        return this;
152    }
153
154    @Override
155    public SignatureVisitor visitParameterType() {
156        v.visitParameterType();
157        return this;
158    }
159
160    @Override
161    public SignatureVisitor visitReturnType() {
162        v.visitReturnType();
163        return this;
164    }
165
166    @Override
167    public SignatureVisitor visitSuperclass() {
168        v.visitSuperclass();
169        return this;
170    }
171
172    @Override
173    public void visitTypeArgument() {
174        v.visitTypeArgument();
175    }
176
177    @Override
178    public SignatureVisitor visitTypeArgument(char wildcard) {
179        v.visitTypeArgument(wildcard);
180        return this;
181    }
182
183    @Override
184    public void visitEnd() {
185        v.visitEnd();
186        classNames.pop();
187    }
188}
189