/***
 * 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 alterrs.asm.tree;

import alterrs.asm.Attribute;
import alterrs.asm.ClassVisitor;
import alterrs.asm.FieldVisitor;

/**
 * A node that represents a field.
 * 
 * @author Eric Bruneton
 */
public class FieldNode extends MemberNode implements FieldVisitor {

	/**
	 * The field's access flags (see {@link alterrs.asm.Opcodes}). This field
	 * also indicates if the field is synthetic and/or deprecated.
	 */
	public int access;

	/**
	 * The field's name.
	 */
	public String name;

	/**
	 * The field's descriptor (see {@link alterrs.asm.Type}).
	 */
	public String desc;

	/**
	 * The field's signature. May be <tt>null</tt>.
	 */
	public String signature;

	/**
	 * The field's initial value. This field, which may be <tt>null</tt> if the
	 * field does not have an initial value, must be an {@link Integer}, a
	 * {@link Float}, a {@link Long}, a {@link Double} or a {@link String}.
	 */
	public Object value;

	/**
	 * Constructs a new {@link FieldNode}.
	 * 
	 * @param access
	 *            the field's access flags (see {@link alterrs.asm.Opcodes}).
	 *            This parameter also indicates if the field is synthetic and/or
	 *            deprecated.
	 * @param name
	 *            the field's name.
	 * @param desc
	 *            the field's descriptor (see {@link alterrs.asm.Type Type}).
	 * @param signature
	 *            the field's signature.
	 * @param value
	 *            the field's initial value. This parameter, which may be
	 *            <tt>null</tt> if the field does not have an initial value,
	 *            must be an {@link Integer}, a {@link Float}, a {@link Long}, a
	 *            {@link Double} or a {@link String}.
	 */
	public FieldNode(final int access, final String name, final String desc,
			final String signature, final Object value) {
		this.access = access;
		this.name = name;
		this.desc = desc;
		this.signature = signature;
		this.value = value;
	}

	/**
	 * Makes the given class visitor visit this field.
	 * 
	 * @param cv
	 *            a class visitor.
	 */
	public void accept(final ClassVisitor cv) {
		FieldVisitor fv = cv.visitField(access, name, desc, signature, value);
		if (fv == null) {
			return;
		}
		int i, n;
		n = visibleAnnotations == null ? 0 : visibleAnnotations.size();
		for (i = 0; i < n; ++i) {
			AnnotationNode an = (AnnotationNode) visibleAnnotations.get(i);
			an.accept(fv.visitAnnotation(an.desc, true));
		}
		n = invisibleAnnotations == null ? 0 : invisibleAnnotations.size();
		for (i = 0; i < n; ++i) {
			AnnotationNode an = (AnnotationNode) invisibleAnnotations.get(i);
			an.accept(fv.visitAnnotation(an.desc, false));
		}
		n = attrs == null ? 0 : attrs.size();
		for (i = 0; i < n; ++i) {
			fv.visitAttribute((Attribute) attrs.get(i));
		}
		fv.visitEnd();
	}
}
