/*
 * Copyright 2012, Google Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. 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,
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.jf.dexlib2.immutable.debug;

import org.jf.dexlib2.DebugItemType;
import org.jf.dexlib2.iface.debug.EndLocal;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

public class ImmutableEndLocal extends ImmutableDebugItem implements EndLocal {
    protected final int register;
    @Nullable protected final String name;
    @Nullable protected final String type;
    @Nullable protected final String signature;

    public ImmutableEndLocal(int codeAddress,
                             int register) {
        super(codeAddress);
        this.register = register;
        this.name = null;
        this.type = null;
        this.signature = null;
    }

    public ImmutableEndLocal(int codeAddress,
                             int register,
                             @Nullable String name,
                             @Nullable String type,
                             @Nullable String signature) {
        super(codeAddress);
        this.register = register;
        this.name = name;
        this.type = type;
        this.signature = signature;
    }

    @Nonnull
    public static ImmutableEndLocal of(@Nonnull EndLocal endLocal) {
        if (endLocal instanceof  ImmutableEndLocal) {
            return (ImmutableEndLocal)endLocal;
        }
        return new ImmutableEndLocal(
                endLocal.getCodeAddress(),
                endLocal.getRegister(),
                endLocal.getType(),
                endLocal.getName(),
                endLocal.getSignature());
    }

    @Override public int getRegister() { return register; }
    @Nullable @Override public String getName() { return name; }
    @Nullable @Override public String getType() { return type; }
    @Nullable @Override public String getSignature() { return signature; }

    @Override public int getDebugItemType() { return DebugItemType.END_LOCAL; }
}