| /* |
| * ProGuard -- shrinking, optimization, obfuscation, and preverification |
| * of Java bytecode. |
| * |
| * Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu) |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the Free |
| * Software Foundation; either version 2 of the License, or (at your option) |
| * any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| package proguard.classfile.editor; |
| |
| import proguard.classfile.*; |
| import proguard.classfile.attribute.*; |
| import proguard.classfile.attribute.visitor.LocalVariableInfoVisitor; |
| |
| /** |
| * This LocalVariableInfoVisitor adds all local variables that it visits to the |
| * given target local variable table attribute. |
| */ |
| public class LocalVariableInfoAdder |
| implements LocalVariableInfoVisitor |
| { |
| private final ConstantAdder constantAdder; |
| private final LocalVariableTableAttributeEditor localVariableTableAttributeEditor; |
| |
| |
| /** |
| * Creates a new LocalVariableInfoAdder that will copy local variables |
| * into the given target local variable table. |
| */ |
| public LocalVariableInfoAdder(ProgramClass targetClass, |
| LocalVariableTableAttribute targetLocalVariableTableAttribute) |
| { |
| this.constantAdder = new ConstantAdder(targetClass); |
| this.localVariableTableAttributeEditor = new LocalVariableTableAttributeEditor(targetLocalVariableTableAttribute); |
| } |
| |
| |
| // Implementations for LocalVariableInfoVisitor. |
| |
| public void visitLocalVariableInfo(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableInfo localVariableInfo) |
| { |
| // Create a new local variable. |
| LocalVariableInfo newLocalVariableInfo = |
| new LocalVariableInfo(localVariableInfo.u2startPC, |
| localVariableInfo.u2length, |
| constantAdder.addConstant(clazz, localVariableInfo.u2nameIndex), |
| constantAdder.addConstant(clazz, localVariableInfo.u2descriptorIndex), |
| localVariableInfo.u2index); |
| |
| newLocalVariableInfo.referencedClass = localVariableInfo.referencedClass; |
| |
| // Add it to the target. |
| localVariableTableAttributeEditor.addLocalVariableInfo(newLocalVariableInfo); |
| } |
| } |