| /* |
| * ProGuard -- shrinking, optimization, obfuscation, and preverification |
| * of Java bytecode. |
| * |
| * Copyright (c) 2002-2019 Guardsquare NV |
| * |
| * 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.configuration; |
| |
| |
| import proguard.classfile.*; |
| import proguard.classfile.attribute.CodeAttribute; |
| import proguard.classfile.constant.Constant; |
| import proguard.classfile.editor.*; |
| import proguard.classfile.instruction.Instruction; |
| import proguard.classfile.instruction.visitor.InstructionVisitor; |
| import proguard.classfile.util.*; |
| import proguard.optimize.peephole.*; |
| |
| import static proguard.configuration.ConfigurationLoggingInstructionSequenceConstants.LOCAL_VARIABLE_INDEX_1; |
| import static proguard.configuration.ConfigurationLoggingInstructionSequenceConstants.LOCAL_VARIABLE_INDEX_2; |
| import static proguard.configuration.ConfigurationLoggingInstructionSequenceConstants.LOCAL_VARIABLE_INDEX_3; |
| |
| /** |
| * This InstructionSequencesReplacer appends logging instructions to all |
| * instructions calling reflection methods. |
| * |
| * @see InstructionSequenceReplacer |
| * |
| * @author Johan Leys |
| */ |
| public class ConfigurationLoggingInstructionSequenceReplacer extends InstructionSequenceReplacer |
| { |
| public ConfigurationLoggingInstructionSequenceReplacer(InstructionSequenceMatcher instructionSequenceMatcher, |
| Constant[] patternConstants, |
| Instruction[] patternInstructions, |
| Constant[] replacementConstants, |
| Instruction[] replacementInstructions, |
| BranchTargetFinder branchTargetFinder, |
| CodeAttributeEditor codeAttributeEditor, |
| InstructionVisitor extraInstructionVisitor ) |
| { |
| super(instructionSequenceMatcher, |
| patternConstants, |
| patternInstructions, |
| replacementConstants, |
| replacementInstructions, |
| branchTargetFinder, |
| codeAttributeEditor, |
| extraInstructionVisitor ); |
| } |
| |
| |
| public ConfigurationLoggingInstructionSequenceReplacer(Constant[] patternConstants, |
| Instruction[] patternInstructions, |
| Constant[] replacementConstants, |
| Instruction[] replacementInstructions, |
| BranchTargetFinder branchTargetFinder, |
| CodeAttributeEditor codeAttributeEditor ) |
| { |
| super(patternConstants, |
| patternInstructions, |
| replacementConstants, |
| replacementInstructions, |
| branchTargetFinder, |
| codeAttributeEditor ); |
| } |
| |
| |
| public ConfigurationLoggingInstructionSequenceReplacer(Constant[] patternConstants, |
| Instruction[] patternInstructions, |
| Constant[] replacementConstants, |
| Instruction[] replacementInstructions, |
| BranchTargetFinder branchTargetFinder, |
| CodeAttributeEditor codeAttributeEditor, |
| InstructionVisitor extraInstructionVisitor ) |
| { |
| super(patternConstants, |
| patternInstructions, |
| replacementConstants, |
| replacementInstructions, |
| branchTargetFinder, |
| codeAttributeEditor, |
| extraInstructionVisitor ); |
| } |
| |
| |
| @Override |
| protected int matchedArgument(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, int argument) |
| { |
| switch (argument) |
| { |
| case LOCAL_VARIABLE_INDEX_1: |
| return codeAttribute.u2maxLocals; |
| case LOCAL_VARIABLE_INDEX_2: |
| return codeAttribute.u2maxLocals + 1; |
| case LOCAL_VARIABLE_INDEX_3: |
| return codeAttribute.u2maxLocals + 2; |
| default: |
| return super.matchedArgument(clazz, argument); |
| } |
| } |
| |
| |
| @Override |
| protected int matchedConstantIndex(ProgramClass programClass, int constantIndex) |
| { |
| switch (constantIndex) |
| { |
| case ConfigurationLoggingInstructionSequenceConstants.CLASS_NAME: |
| return new ConstantPoolEditor(programClass) |
| .addStringConstant(ClassUtil.externalClassName(programClass.getName()), programClass, null); |
| default: |
| return super.matchedConstantIndex(programClass, constantIndex); |
| } |
| } |
| } |