| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.commons.jci.classes; |
| |
| import org.objectweb.asm.ClassWriter; |
| import org.objectweb.asm.Label; |
| import org.objectweb.asm.MethodVisitor; |
| import org.objectweb.asm.Opcodes; |
| |
| |
| public class ExtendedDump implements Opcodes { |
| |
| public static byte[] dump() throws Exception { |
| |
| ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS); |
| MethodVisitor mv; |
| |
| cw.visit(V1_4, ACC_PUBLIC + ACC_SUPER, "jci/Extended", null, "jci/Simple", null); |
| |
| cw.visitSource("Extended.java", null); |
| |
| { |
| mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null); |
| mv.visitCode(); |
| Label l0 = new Label(); |
| mv.visitLabel(l0); |
| mv.visitLineNumber(3, l0); |
| mv.visitVarInsn(ALOAD, 0); |
| mv.visitMethodInsn(INVOKESPECIAL, "jci/Simple", "<init>", "()V"); |
| mv.visitInsn(RETURN); |
| Label l1 = new Label(); |
| mv.visitLabel(l1); |
| mv.visitLocalVariable("this", "Ljci/Extended;", null, l0, l1, 0); |
| mv.visitMaxs(1, 1); |
| mv.visitEnd(); |
| } |
| { |
| mv = cw.visitMethod(ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null); |
| mv.visitCode(); |
| Label l0 = new Label(); |
| mv.visitLabel(l0); |
| mv.visitLineNumber(6, l0); |
| mv.visitTypeInsn(NEW, "java/lang/StringBuffer"); |
| mv.visitInsn(DUP); |
| mv.visitLdcInsn("Extended:"); |
| mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuffer", "<init>", "(Ljava/lang/String;)V"); |
| mv.visitVarInsn(ALOAD, 0); |
| mv.visitMethodInsn(INVOKESPECIAL, "jci/Simple", "toString", "()Ljava/lang/String;"); |
| mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuffer", "append", "(Ljava/lang/String;)Ljava/lang/StringBuffer;"); |
| mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuffer", "toString", "()Ljava/lang/String;"); |
| mv.visitInsn(ARETURN); |
| Label l1 = new Label(); |
| mv.visitLabel(l1); |
| mv.visitLocalVariable("this", "Ljci/Extended;", null, l0, l1, 0); |
| mv.visitMaxs(3, 1); |
| mv.visitEnd(); |
| } |
| cw.visitEnd(); |
| |
| return cw.toByteArray(); |
| } |
| } |