1 // ASM: a very small and fast Java bytecode manipulation framework 2 // Copyright (c) 2000-2011 INRIA, France Telecom 3 // All rights reserved. 4 // 5 // Redistribution and use in source and binary forms, with or without 6 // modification, are permitted provided that the following conditions 7 // are met: 8 // 1. Redistributions of source code must retain the above copyright 9 // notice, this list of conditions and the following disclaimer. 10 // 2. Redistributions in binary form must reproduce the above copyright 11 // notice, this list of conditions and the following disclaimer in the 12 // documentation and/or other materials provided with the distribution. 13 // 3. Neither the name of the copyright holders nor the names of its 14 // contributors may be used to endorse or promote products derived from 15 // this software without specific prior written permission. 16 // 17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 21 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 27 // THE POSSIBILITY OF SUCH DAMAGE. 28 package org.objectweb.asm.benchmarks; 29 30 import java.io.ByteArrayInputStream; 31 import serp.bytecode.BCClass; 32 import serp.bytecode.BCMethod; 33 import serp.bytecode.Code; 34 import serp.bytecode.Project; 35 36 /** 37 * An {@link Adapter} implemented with the SERP library. 38 * 39 * @author Eric Bruneton 40 */ 41 public class SerpAdapter extends Adapter { 42 43 @Override readAndWrite(final byte[] classFile, final boolean computeMaxs)44 public byte[] readAndWrite(final byte[] classFile, final boolean computeMaxs) { 45 BCClass bcClass = new Project().loadClass(new ByteArrayInputStream(classFile)); 46 bcClass.getDeclaredFields(); 47 for (BCMethod bcMethod : bcClass.getDeclaredMethods()) { 48 Code code = bcMethod.getCode(false); 49 if (code != null) { 50 while (code.hasNext()) { 51 code.next(); 52 } 53 if (computeMaxs) { 54 code.calculateMaxStack(); 55 code.calculateMaxLocals(); 56 } 57 } 58 } 59 return bcClass.toByteArray(); 60 } 61 } 62