/***
 * ASM: a very small and fast Java bytecode manipulation framework
 * Copyright (c) 2000-2007 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 com.google.gwt.dev.asm.util;

import com.google.gwt.dev.asm.AnnotationVisitor;
import com.google.gwt.dev.asm.Attribute;
import com.google.gwt.dev.asm.FieldVisitor;

/**
 * A {@link FieldVisitor} that prints a disassembled view of the fields it
 * visits.
 * 
 * @author Eric Bruneton
 */
public class TraceFieldVisitor extends TraceAbstractVisitor implements
        FieldVisitor
{

    /**
     * The {@link FieldVisitor} to which this visitor delegates calls. May be
     * <tt>null</tt>.
     */
    protected FieldVisitor fv;

    public AnnotationVisitor visitAnnotation(
        final String desc,
        final boolean visible)
    {
        AnnotationVisitor av = super.visitAnnotation(desc, visible);
        if (fv != null) {
            ((TraceAnnotationVisitor) av).av = fv.visitAnnotation(desc, visible);
        }
        return av;
    }

    public void visitAttribute(final Attribute attr) {
        super.visitAttribute(attr);

        if (fv != null) {
            fv.visitAttribute(attr);
        }
    }

    public void visitEnd() {
        super.visitEnd();

        if (fv != null) {
            fv.visitEnd();
        }
    }
}