| /* |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * This file is available under and governed by the GNU General Public |
| * License version 2 only, as published by the Free Software Foundation. |
| * However, the following notice accompanied the original version of this |
| * file: |
| * |
| * ASM: a very small and fast Java bytecode manipulation framework |
| * Copyright (c) 2000-2011 INRIA, France Telecom |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| package jdk.internal.org.objectweb.asm; |
| |
| /** |
| * A visitor to visit a Java field. The methods of this class must be called in |
| * the following order: ( <tt>visitAnnotation</tt> | |
| * <tt>visitTypeAnnotation</tt> | <tt>visitAttribute</tt> )* <tt>visitEnd</tt>. |
| * |
| * @author Eric Bruneton |
| */ |
| public abstract class FieldVisitor { |
| |
| /** |
| * The ASM API version implemented by this visitor. The value of this field |
| * must be one of {@link Opcodes#ASM4}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}. |
| */ |
| protected final int api; |
| |
| /** |
| * The field visitor to which this visitor must delegate method calls. May |
| * be null. |
| */ |
| protected FieldVisitor fv; |
| |
| /** |
| * Constructs a new {@link FieldVisitor}. |
| * |
| * @param api |
| * the ASM API version implemented by this visitor. Must be one |
| * of {@link Opcodes#ASM4}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}. |
| */ |
| public FieldVisitor(final int api) { |
| this(api, null); |
| } |
| |
| /** |
| * Constructs a new {@link FieldVisitor}. |
| * |
| * @param api |
| * the ASM API version implemented by this visitor. Must be one |
| * of {@link Opcodes#ASM4}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}. |
| * @param fv |
| * the field visitor to which this visitor must delegate method |
| * calls. May be null. |
| */ |
| public FieldVisitor(final int api, final FieldVisitor fv) { |
| if (api < Opcodes.ASM4 || api > Opcodes.ASM6) { |
| throw new IllegalArgumentException(); |
| } |
| this.api = api; |
| this.fv = fv; |
| } |
| |
| /** |
| * Visits an annotation of the field. |
| * |
| * @param desc |
| * the class descriptor of the annotation class. |
| * @param visible |
| * <tt>true</tt> if the annotation is visible at runtime. |
| * @return a visitor to visit the annotation values, or <tt>null</tt> if |
| * this visitor is not interested in visiting this annotation. |
| */ |
| public AnnotationVisitor visitAnnotation(String desc, boolean visible) { |
| if (fv != null) { |
| return fv.visitAnnotation(desc, visible); |
| } |
| return null; |
| } |
| |
| /** |
| * Visits an annotation on the type of the field. |
| * |
| * @param typeRef |
| * a reference to the annotated type. The sort of this type |
| * reference must be {@link TypeReference#FIELD FIELD}. See |
| * {@link TypeReference}. |
| * @param typePath |
| * the path to the annotated type argument, wildcard bound, array |
| * element type, or static inner type within 'typeRef'. May be |
| * <tt>null</tt> if the annotation targets 'typeRef' as a whole. |
| * @param desc |
| * the class descriptor of the annotation class. |
| * @param visible |
| * <tt>true</tt> if the annotation is visible at runtime. |
| * @return a visitor to visit the annotation values, or <tt>null</tt> if |
| * this visitor is not interested in visiting this annotation. |
| */ |
| public AnnotationVisitor visitTypeAnnotation(int typeRef, |
| TypePath typePath, String desc, boolean visible) { |
| if (api < Opcodes.ASM5) { |
| throw new RuntimeException(); |
| } |
| if (fv != null) { |
| return fv.visitTypeAnnotation(typeRef, typePath, desc, visible); |
| } |
| return null; |
| } |
| |
| /** |
| * Visits a non standard attribute of the field. |
| * |
| * @param attr |
| * an attribute. |
| */ |
| public void visitAttribute(Attribute attr) { |
| if (fv != null) { |
| fv.visitAttribute(attr); |
| } |
| } |
| |
| /** |
| * Visits the end of the field. This method, which is the last one to be |
| * called, is used to inform the visitor that all the annotations and |
| * attributes of the field have been visited. |
| */ |
| public void visitEnd() { |
| if (fv != null) { |
| fv.visitEnd(); |
| } |
| } |
| } |
