1/* 2 * ProGuard -- shrinking, optimization, obfuscation, and preverification 3 * of Java bytecode. 4 * 5 * Copyright (c) 2002-2009 Eric Lafortune (eric@graphics.cornell.edu) 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by the Free 9 * Software Foundation; either version 2 of the License, or (at your option) 10 * any later version. 11 * 12 * This program is distributed in the hope that it will be useful, but WITHOUT 13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15 * more details. 16 * 17 * You should have received a copy of the GNU General Public License along 18 * with this program; if not, write to the Free Software Foundation, Inc., 19 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 */ 21package proguard.classfile.instruction.visitor; 22 23import proguard.classfile.*; 24import proguard.classfile.attribute.CodeAttribute; 25import proguard.classfile.instruction.Instruction; 26import proguard.classfile.util.SimplifiedVisitor; 27 28/** 29 * This InstructionVisitor counts the number of instructions that has been visited. 30 * 31 * @author Eric Lafortune 32 */ 33public class InstructionCounter 34extends SimplifiedVisitor 35implements InstructionVisitor 36{ 37 private int count; 38 39 40 /** 41 * Returns the number of instructions that has been visited so far. 42 */ 43 public int getCount() 44 { 45 return count; 46 } 47 48 49 // Implementations for InstructionVisitor. 50 51 public void visitAnyInstruction(Clazz clazz, 52 Method method, 53 CodeAttribute codeAttribute, 54 int offset, 55 Instruction instruction) 56 { 57 count++; 58 } 59} 60