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 }