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.Handle;
64 import jdk.internal.org.objectweb.asm.Label;
65 import jdk.internal.org.objectweb.asm.MethodVisitor;
66 import jdk.internal.org.objectweb.asm.Opcodes;
67 import jdk.internal.org.objectweb.asm.TypePath;
68
69 /**
70 * A {@link MethodVisitor} that prints the methods it visits with a
71 * {@link Printer}.
72 *
73 * @author Eric Bruneton
74 */
75 public final class TraceMethodVisitor extends MethodVisitor {
76
77 public final Printer p;
78
79 public TraceMethodVisitor(final Printer p) {
80 this(null, p);
81 }
82
83 public TraceMethodVisitor(final MethodVisitor mv, final Printer p) {
84 super(Opcodes.ASM5, mv);
85 this.p = p;
86 }
87
88 @Override
89 public void visitParameter(String name, int access) {
90 p.visitParameter(name, access);
91 super.visitParameter(name, access);
92 }
93
94 @Override
95 public AnnotationVisitor visitAnnotation(final String desc,
96 final boolean visible) {
97 Printer p = this.p.visitMethodAnnotation(desc, visible);
98 AnnotationVisitor av = mv == null ? null : mv.visitAnnotation(desc,
99 visible);
100 return new TraceAnnotationVisitor(av, p);
101 }
102
103 @Override
104 public AnnotationVisitor visitTypeAnnotation(int typeRef,
105 TypePath typePath, String desc, boolean visible) {
106 Printer p = this.p.visitMethodTypeAnnotation(typeRef, typePath, desc,
107 visible);
108 AnnotationVisitor av = mv == null ? null : mv.visitTypeAnnotation(
109 typeRef, typePath, desc, visible);
110 return new TraceAnnotationVisitor(av, p);
111 }
112
113 @Override
114 public void visitAttribute(final Attribute attr) {
115 p.visitMethodAttribute(attr);
116 super.visitAttribute(attr);
117 }
118
119 @Override
120 public AnnotationVisitor visitAnnotationDefault() {
121 Printer p = this.p.visitAnnotationDefault();
122 AnnotationVisitor av = mv == null ? null : mv.visitAnnotationDefault();
123 return new TraceAnnotationVisitor(av, p);
124 }
125
126 @Override
127 public AnnotationVisitor visitParameterAnnotation(final int parameter,
128 final String desc, final boolean visible) {
129 Printer p = this.p.visitParameterAnnotation(parameter, desc, visible);
130 AnnotationVisitor av = mv == null ? null : mv.visitParameterAnnotation(
131 parameter, desc, visible);
132 return new TraceAnnotationVisitor(av, p);
133 }
134
135 @Override
136 public void visitCode() {
137 p.visitCode();
138 super.visitCode();
139 }
140
141 @Override
142 public void visitFrame(final int type, final int nLocal,
143 final Object[] local, final int nStack, final Object[] stack) {
144 p.visitFrame(type, nLocal, local, nStack, stack);
145 super.visitFrame(type, nLocal, local, nStack, stack);
146 }
147
148 @Override
149 public void visitInsn(final int opcode) {
150 p.visitInsn(opcode);
151 super.visitInsn(opcode);
152 }
153
154 @Override
155 public void visitIntInsn(final int opcode, final int operand) {
156 p.visitIntInsn(opcode, operand);
157 super.visitIntInsn(opcode, operand);
158 }
159
160 @Override
161 public void visitVarInsn(final int opcode, final int var) {
162 p.visitVarInsn(opcode, var);
163 super.visitVarInsn(opcode, var);
164 }
165
166 @Override
167 public void visitTypeInsn(final int opcode, final String type) {
168 p.visitTypeInsn(opcode, type);
169 super.visitTypeInsn(opcode, type);
170 }
171
172 @Override
173 public void visitFieldInsn(final int opcode, final String owner,
174 final String name, final String desc) {
175 p.visitFieldInsn(opcode, owner, name, desc);
176 super.visitFieldInsn(opcode, owner, name, desc);
177 }
178
179 @Deprecated
180 @Override
181 public void visitMethodInsn(int opcode, String owner, String name,
182 String desc) {
183 if (api >= Opcodes.ASM5) {
184 super.visitMethodInsn(opcode, owner, name, desc);
185 return;
186 }
187 p.visitMethodInsn(opcode, owner, name, desc);
188 if (mv != null) {
189 mv.visitMethodInsn(opcode, owner, name, desc);
190 }
191 }
192
193 @Override
194 public void visitMethodInsn(int opcode, String owner, String name,
195 String desc, boolean itf) {
196 if (api < Opcodes.ASM5) {
197 super.visitMethodInsn(opcode, owner, name, desc, itf);
198 return;
199 }
200 p.visitMethodInsn(opcode, owner, name, desc, itf);
201 if (mv != null) {
202 mv.visitMethodInsn(opcode, owner, name, desc, itf);
203 }
204 }
205
206 @Override
207 public void visitInvokeDynamicInsn(String name, String desc, Handle bsm,
208 Object... bsmArgs) {
209 p.visitInvokeDynamicInsn(name, desc, bsm, bsmArgs);
210 super.visitInvokeDynamicInsn(name, desc, bsm, bsmArgs);
211 }
212
213 @Override
214 public void visitJumpInsn(final int opcode, final Label label) {
215 p.visitJumpInsn(opcode, label);
216 super.visitJumpInsn(opcode, label);
217 }
218
219 @Override
220 public void visitLabel(final Label label) {
221 p.visitLabel(label);
222 super.visitLabel(label);
223 }
224
225 @Override
226 public void visitLdcInsn(final Object cst) {
227 p.visitLdcInsn(cst);
228 super.visitLdcInsn(cst);
229 }
230
231 @Override
232 public void visitIincInsn(final int var, final int increment) {
233 p.visitIincInsn(var, increment);
234 super.visitIincInsn(var, increment);
235 }
236
237 @Override
238 public void visitTableSwitchInsn(final int min, final int max,
239 final Label dflt, final Label... labels) {
240 p.visitTableSwitchInsn(min, max, dflt, labels);
241 super.visitTableSwitchInsn(min, max, dflt, labels);
242 }
243
244 @Override
245 public void visitLookupSwitchInsn(final Label dflt, final int[] keys,
246 final Label[] labels) {
247 p.visitLookupSwitchInsn(dflt, keys, labels);
248 super.visitLookupSwitchInsn(dflt, keys, labels);
249 }
250
251 @Override
252 public void visitMultiANewArrayInsn(final String desc, final int dims) {
253 p.visitMultiANewArrayInsn(desc, dims);
254 super.visitMultiANewArrayInsn(desc, dims);
255 }
256
257 @Override
258 public AnnotationVisitor visitInsnAnnotation(int typeRef,
259 TypePath typePath, String desc, boolean visible) {
260 Printer p = this.p
261 .visitInsnAnnotation(typeRef, typePath, desc, visible);
262 AnnotationVisitor av = mv == null ? null : mv.visitInsnAnnotation(
263 typeRef, typePath, desc, visible);
264 return new TraceAnnotationVisitor(av, p);
265 }
266
267 @Override
268 public void visitTryCatchBlock(final Label start, final Label end,
269 final Label handler, final String type) {
270 p.visitTryCatchBlock(start, end, handler, type);
271 super.visitTryCatchBlock(start, end, handler, type);
272 }
273
274 @Override
275 public AnnotationVisitor visitTryCatchAnnotation(int typeRef,
276 TypePath typePath, String desc, boolean visible) {
277 Printer p = this.p.visitTryCatchAnnotation(typeRef, typePath, desc,
278 visible);
279 AnnotationVisitor av = mv == null ? null : mv.visitTryCatchAnnotation(
280 typeRef, typePath, desc, visible);
281 return new TraceAnnotationVisitor(av, p);
282 }
283
284 @Override
285 public void visitLocalVariable(final String name, final String desc,
286 final String signature, final Label start, final Label end,
287 final int index) {
288 p.visitLocalVariable(name, desc, signature, start, end, index);
289 super.visitLocalVariable(name, desc, signature, start, end, index);
290 }
291
292 @Override
293 public AnnotationVisitor visitLocalVariableAnnotation(int typeRef,
294 TypePath typePath, Label[] start, Label[] end, int[] index,
295 String desc, boolean visible) {
296 Printer p = this.p.visitLocalVariableAnnotation(typeRef, typePath,
297 start, end, index, desc, visible);
298 AnnotationVisitor av = mv == null ? null : mv
299 .visitLocalVariableAnnotation(typeRef, typePath, start, end,
300 index, desc, visible);
301 return new TraceAnnotationVisitor(av, p);
302 }
303
304 @Override
305 public void visitLineNumber(final int line, final Label start) {
306 p.visitLineNumber(line, start);
307 super.visitLineNumber(line, start);
308 }
309
310 @Override
311 public void visitMaxs(final int maxStack, final int maxLocals) {
312 p.visitMaxs(maxStack, maxLocals);
313 super.visitMaxs(maxStack, maxLocals);
314 }
315
316 @Override
317 public void visitEnd() {
318 p.visitMethodEnd();
319 super.visitEnd();
320 }
321 }