/*
 * Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved.
 * 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.
 */

package com.sun.tools.classfile;

import java.io.IOException;

 
This is NOT part of any supported API.
 If you write code that depends on this, you do so at your own risk.
 This code and its internal interfaces are subject to change or
 deletion without notice.
/**
 *  <p><b>This is NOT part of any supported API.
 *  If you write code that depends on this, you do so at your own risk.
 *  This code and its internal interfaces are subject to change or
 *  deletion without notice.</b>
 */
public class StackMap_attribute extends Attribute {
    StackMap_attribute(ClassReader cr, int name_index, int length)
            throws IOException, StackMapTable_attribute.InvalidStackMap {
        super(name_index, length);
        number_of_entries = cr.readUnsignedShort();
        entries = new stack_map_frame[number_of_entries];
        for (int i = 0; i < number_of_entries; i++)
            entries[i] = new stack_map_frame(cr);
    }

    public StackMap_attribute(ConstantPool constant_pool, stack_map_frame[] entries)
            throws ConstantPoolException {
        this(constant_pool.getUTF8Index(Attribute.StackMap), entries);
    }

    public StackMap_attribute(int name_index, stack_map_frame[] entries) {
        super(name_index, StackMapTable_attribute.length(entries));
        this.number_of_entries = entries.length;
        this.entries = entries;
    }

    public <R, D> R accept(Visitor<R, D> visitor, D data) {
        return visitor.visitStackMap(this, data);
    }

    public final int number_of_entries;
    public final stack_map_frame entries[];

    public static class stack_map_frame extends StackMapTable_attribute.full_frame {
        stack_map_frame(ClassReader cr)
                throws IOException, StackMapTable_attribute.InvalidStackMap {
            super(255, cr);
        }
    }
}