2.4/dev/core/src/com/google/gwt/dev/asm/tree/FieldNode.java

/***
 * 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.tree;

import com.google.gwt.dev.asm.Attribute;
import com.google.gwt.dev.asm.ClassVisitor;
import com.google.gwt.dev.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 com.google.gwt.dev.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 com.google.gwt.dev.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 com.google.gwt.dev.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 com.google.gwt.dev.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();
    }
}