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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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/*
 * This file is available under and governed by the GNU General Public
 * License version 2 only, as published by the Free Software Foundation.
 * However, the following notice accompanied the original version of this
 * file:
 *
 * ASM: a very small and fast Java bytecode manipulation framework
 * Copyright (c) 2000-2011 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"
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package jdk.internal.org.objectweb.asm.tree;

import java.util.List;
import java.util.Map;
import jdk.internal.org.objectweb.asm.Label;
import jdk.internal.org.objectweb.asm.MethodVisitor;
import jdk.internal.org.objectweb.asm.Opcodes;

/**
 * A node that represents a LOOKUPSWITCH instruction.
 *
 * @author Eric Bruneton
 */
public class LookupSwitchInsnNode extends AbstractInsnNode {

    /** Beginning of the default handler block. */
    public LabelNode dflt;

    /** The values of the keys. */
    public List keys;

    /** Beginnings of the handler blocks. */
    public List labels;

    /**
      * Constructs a new {@link LookupSwitchInsnNode}.
      *
      * @param dflt beginning of the default handler block.
      * @param keys the values of the keys.
      * @param labels beginnings of the handler blocks. {@code labels[i]} is the beginning of the
      *     handler block for the {@code keys[i]} key.
      */
    public LookupSwitchInsnNode(final LabelNode dflt, final int[] keys, final LabelNode[] labels) {
        super(Opcodes.LOOKUPSWITCH);
        this.dflt = dflt;
        this.keys = Util.asArrayList(keys);
        this.labels = Util.asArrayList(labels);
    }

    @Override
    public int getType() {
        return LOOKUPSWITCH_INSN;
    }

    @Override
    public void accept(final MethodVisitor methodVisitor) {
        int[] keysArray = new int[this.keys.size()];
        for (int i = 0, n = keysArray.length; i < n; ++i) {
            keysArray[i] = this.keys.get(i).intValue();
        }
        Label[] labelsArray = new Label[this.labels.size()];
        for (int i = 0, n = labelsArray.length; i < n; ++i) {
            labelsArray[i] = this.labels.get(i).getLabel();
        }
        methodVisitor.visitLookupSwitchInsn(dflt.getLabel(), keysArray, labelsArray);
        acceptAnnotations(methodVisitor);
    }

    @Override
    public AbstractInsnNode clone(final Map clonedLabels) {
        LookupSwitchInsnNode clone =
                new LookupSwitchInsnNode(clone(dflt, clonedLabels), null, clone(labels, clonedLabels));
        clone.keys.addAll(keys);
        return clone.cloneAnnotations(this);
    }
}