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 
  60 package jdk.internal.org.objectweb.asm.commons;
  61 
  62 import jdk.internal.org.objectweb.asm.AnnotationVisitor;
  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 LocalVariablesSorter} for type mapping.
  71  *
  72  * //@deprecated use {@link MethodRemapper} instead.
  73  * @author Eugene Kuleshov
  74  */
  75 //@Deprecated
  76 public class RemappingMethodAdapter extends LocalVariablesSorter {
  77 
  78     protected final Remapper remapper;
  79 
  80     public RemappingMethodAdapter(final int access, final String desc,
  81             final MethodVisitor mv, final Remapper remapper) {
  82         this(Opcodes.ASM5, access, desc, mv, remapper);
  83     }
  84 
  85     protected RemappingMethodAdapter(final int api, final int access,
  86             final String desc, final MethodVisitor mv, final Remapper remapper) {
  87         super(api, access, desc, mv);
  88         this.remapper = remapper;
  89     }
  90 
  91     @Override
  92     public AnnotationVisitor visitAnnotationDefault() {
  93         AnnotationVisitor av = super.visitAnnotationDefault();
  94         return av == null ? av : new RemappingAnnotationAdapter(av, remapper);
  95     }
  96 
  97     @Override
  98     public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
  99         AnnotationVisitor av = super.visitAnnotation(remapper.mapDesc(desc),
 100                 visible);
 101         return av == null ? av : new RemappingAnnotationAdapter(av, remapper);
 102     }
 103 
 104     @Override
 105     public AnnotationVisitor visitTypeAnnotation(int typeRef,
 106             TypePath typePath, String desc, boolean visible) {
 107         AnnotationVisitor av = super.visitTypeAnnotation(typeRef, typePath,
 108                 remapper.mapDesc(desc), visible);
 109         return av == null ? av : new RemappingAnnotationAdapter(av, remapper);
 110     }
 111 
 112     @Override
 113     public AnnotationVisitor visitParameterAnnotation(int parameter,
 114             String desc, boolean visible) {
 115         AnnotationVisitor av = super.visitParameterAnnotation(parameter,
 116                 remapper.mapDesc(desc), visible);
 117         return av == null ? av : new RemappingAnnotationAdapter(av, remapper);
 118     }
 119 
 120     @Override
 121     public void visitFrame(int type, int nLocal, Object[] local, int nStack,
 122             Object[] stack) {
 123         super.visitFrame(type, nLocal, remapEntries(nLocal, local), nStack,
 124                 remapEntries(nStack, stack));
 125     }
 126 
 127     private Object[] remapEntries(int n, Object[] entries) {
 128         for (int i = 0; i < n; i++) {
 129             if (entries[i] instanceof String) {
 130                 Object[] newEntries = new Object[n];
 131                 if (i > 0) {
 132                     System.arraycopy(entries, 0, newEntries, 0, i);
 133                 }
 134                 do {
 135                     Object t = entries[i];
 136                     newEntries[i++] = t instanceof String ? remapper
 137                             .mapType((String) t) : t;
 138                 } while (i < n);
 139                 return newEntries;
 140             }
 141         }
 142         return entries;
 143     }
 144 
 145     @Override
 146     public void visitFieldInsn(int opcode, String owner, String name,
 147             String desc) {
 148         super.visitFieldInsn(opcode, remapper.mapType(owner),
 149                 remapper.mapFieldName(owner, name, desc),
 150                 remapper.mapDesc(desc));
 151     }
 152 
 153     @Deprecated
 154     @Override
 155     public void visitMethodInsn(final int opcode, final String owner,
 156             final String name, final String desc) {
 157         if (api >= Opcodes.ASM5) {
 158             super.visitMethodInsn(opcode, owner, name, desc);
 159             return;
 160         }
 161         doVisitMethodInsn(opcode, owner, name, desc,
 162                 opcode == Opcodes.INVOKEINTERFACE);
 163     }
 164 
 165     @Override
 166     public void visitMethodInsn(final int opcode, final String owner,
 167             final String name, final String desc, final boolean itf) {
 168         if (api < Opcodes.ASM5) {
 169             super.visitMethodInsn(opcode, owner, name, desc, itf);
 170             return;
 171         }
 172         doVisitMethodInsn(opcode, owner, name, desc, itf);
 173     }
 174 
 175     private void doVisitMethodInsn(int opcode, String owner, String name,
 176             String desc, boolean itf) {
 177         // Calling super.visitMethodInsn requires to call the correct version
 178         // depending on this.api (otherwise infinite loops can occur). To
 179         // simplify and to make it easier to automatically remove the backward
 180         // compatibility code, we inline the code of the overridden method here.
 181         // IMPORTANT: THIS ASSUMES THAT visitMethodInsn IS NOT OVERRIDDEN IN
 182         // LocalVariableSorter.
 183         if (mv != null) {
 184             mv.visitMethodInsn(opcode, remapper.mapType(owner),
 185                     remapper.mapMethodName(owner, name, desc),
 186                     remapper.mapMethodDesc(desc), itf);
 187         }
 188     }
 189 
 190     @Override
 191     public void visitInvokeDynamicInsn(String name, String desc, Handle bsm,
 192             Object... bsmArgs) {
 193         for (int i = 0; i < bsmArgs.length; i++) {
 194             bsmArgs[i] = remapper.mapValue(bsmArgs[i]);
 195         }
 196         super.visitInvokeDynamicInsn(
 197                 remapper.mapInvokeDynamicMethodName(name, desc),
 198                 remapper.mapMethodDesc(desc), (Handle) remapper.mapValue(bsm),
 199                 bsmArgs);
 200     }
 201 
 202     @Override
 203     public void visitTypeInsn(int opcode, String type) {
 204         super.visitTypeInsn(opcode, remapper.mapType(type));
 205     }
 206 
 207     @Override
 208     public void visitLdcInsn(Object cst) {
 209         super.visitLdcInsn(remapper.mapValue(cst));
 210     }
 211 
 212     @Override
 213     public void visitMultiANewArrayInsn(String desc, int dims) {
 214         super.visitMultiANewArrayInsn(remapper.mapDesc(desc), dims);
 215     }
 216 
 217     @Override
 218     public AnnotationVisitor visitInsnAnnotation(int typeRef,
 219             TypePath typePath, String desc, boolean visible) {
 220         AnnotationVisitor av = super.visitInsnAnnotation(typeRef, typePath,
 221                 remapper.mapDesc(desc), visible);
 222         return av == null ? av : new RemappingAnnotationAdapter(av, remapper);
 223     }
 224 
 225     @Override
 226     public void visitTryCatchBlock(Label start, Label end, Label handler,
 227             String type) {
 228         super.visitTryCatchBlock(start, end, handler, type == null ? null
 229                 : remapper.mapType(type));
 230     }
 231 
 232     @Override
 233     public AnnotationVisitor visitTryCatchAnnotation(int typeRef,
 234             TypePath typePath, String desc, boolean visible) {
 235         AnnotationVisitor av = super.visitTryCatchAnnotation(typeRef, typePath,
 236                 remapper.mapDesc(desc), visible);
 237         return av == null ? av : new RemappingAnnotationAdapter(av, remapper);
 238     }
 239 
 240     @Override
 241     public void visitLocalVariable(String name, String desc, String signature,
 242             Label start, Label end, int index) {
 243         super.visitLocalVariable(name, remapper.mapDesc(desc),
 244                 remapper.mapSignature(signature, true), start, end, index);
 245     }
 246 
 247     @Override
 248     public AnnotationVisitor visitLocalVariableAnnotation(int typeRef,
 249             TypePath typePath, Label[] start, Label[] end, int[] index,
 250             String desc, boolean visible) {
 251         AnnotationVisitor av = super.visitLocalVariableAnnotation(typeRef,
 252                 typePath, start, end, index, remapper.mapDesc(desc), visible);
 253         return av == null ? av : new RemappingAnnotationAdapter(av, remapper);
 254     }
 255 }