1 /* 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. Oracle designates this 7 * particular file as subject to the "Classpath" exception as provided 8 * by Oracle in the LICENSE file that accompanied this code. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 */ 24 25 /* 26 * This file is available under and governed by the GNU General Public 27 * License version 2 only, as published by the Free Software Foundation. 28 * However, the following notice accompanied the original version of this 29 * file: 30 * 31 * ASM: a very small and fast Java bytecode manipulation framework 32 * Copyright (c) 2000-2011 INRIA, France Telecom 33 * All rights reserved. 34 * 35 * Redistribution and use in source and binary forms, with or without 36 * modification, are permitted provided that the following conditions 37 * are met: 38 * 1. Redistributions of source code must retain the above copyright 39 * notice, this list of conditions and the following disclaimer. 40 * 2. Redistributions in binary form must reproduce the above copyright 41 * notice, this list of conditions and the following disclaimer in the 42 * documentation and/or other materials provided with the distribution. 43 * 3. Neither the name of the copyright holders nor the names of its 44 * contributors may be used to endorse or promote products derived from 45 * this software without specific prior written permission. 46 * 47 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 48 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 49 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 50 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 51 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 52 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 53 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 54 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 55 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 56 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 57 * THE POSSIBILITY OF SUCH DAMAGE. 58 */ 59 package jdk.internal.org.objectweb.asm.util; 60 61 import jdk.internal.org.objectweb.asm.AnnotationVisitor; 62 import jdk.internal.org.objectweb.asm.Attribute; 63 import jdk.internal.org.objectweb.asm.FieldVisitor; 64 import jdk.internal.org.objectweb.asm.Opcodes; 65 import jdk.internal.org.objectweb.asm.TypePath; 66 67 /** 68 * A {@link FieldVisitor} that prints the fields it visits with a {@link Printer}. 69 * 70 * @author Eric Bruneton 71 */ 72 public final class TraceFieldVisitor extends FieldVisitor { 73 74 /** The printer to convert the visited field into text. */ 75 // DontCheck(MemberName): can't be renamed (for backward binary compatibility). 76 public final Printer p; 77 78 /** 79 * Constructs a new {@link TraceFieldVisitor}. 80 * 81 * @param printer the printer to convert the visited field into text. 82 */ TraceFieldVisitor(final Printer printer)83 public TraceFieldVisitor(final Printer printer) { 84 this(null, printer); 85 } 86 87 /** 88 * Constructs a new {@link TraceFieldVisitor}. 89 * 90 * @param fieldVisitor the field visitor to which to delegate calls. May be {@literal null}. 91 * @param printer the printer to convert the visited field into text. 92 */ TraceFieldVisitor(final FieldVisitor fieldVisitor, final Printer printer)93 public TraceFieldVisitor(final FieldVisitor fieldVisitor, final Printer printer) { 94 super(/* latest api = */ Opcodes.ASM8, fieldVisitor); 95 this.p = printer; 96 } 97 98 @Override visitAnnotation(final String descriptor, final boolean visible)99 public AnnotationVisitor visitAnnotation(final String descriptor, final boolean visible) { 100 Printer annotationPrinter = p.visitFieldAnnotation(descriptor, visible); 101 return new TraceAnnotationVisitor( 102 super.visitAnnotation(descriptor, visible), annotationPrinter); 103 } 104 105 @Override visitTypeAnnotation( final int typeRef, final TypePath typePath, final String descriptor, final boolean visible)106 public AnnotationVisitor visitTypeAnnotation( 107 final int typeRef, final TypePath typePath, final String descriptor, final boolean visible) { 108 Printer annotationPrinter = p.visitFieldTypeAnnotation(typeRef, typePath, descriptor, visible); 109 return new TraceAnnotationVisitor( 110 super.visitTypeAnnotation(typeRef, typePath, descriptor, visible), annotationPrinter); 111 } 112 113 @Override visitAttribute(final Attribute attribute)114 public void visitAttribute(final Attribute attribute) { 115 p.visitFieldAttribute(attribute); 116 super.visitAttribute(attribute); 117 } 118 119 @Override visitEnd()120 public void visitEnd() { 121 p.visitFieldEnd(); 122 super.visitEnd(); 123 } 124 } 125