// 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"
// 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
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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package org.objectweb.asm.tree;

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

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

	/** The minimum key value. */
	public int min;

	/** The maximum key value. */
	public int max;

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

	/** Beginnings of the handler blocks. This list is a list of {@link LabelNode} objects. */
	public List<LabelNode> labels;

	/**
	 * Constructs a new {@link TableSwitchInsnNode}.
	 *
	 * @param min
	 *          the minimum key value.
	 * @param max
	 *          the maximum key value.
	 * @param dflt
	 *          beginning of the default handler block.
	 * @param labels
	 *          beginnings of the handler blocks. {@code labels[i]} is the beginning of the handler block for the {@code min + i} key.
	 */
	public TableSwitchInsnNode(final int min, final int max, final LabelNode dflt, final LabelNode... labels) {
		super(Opcodes.TABLESWITCH);
		this.min = min;
		this.max = max;
		this.dflt = dflt;
		this.labels = Util.asArrayList(labels);
	}

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

	@Override
	public void accept(final MethodVisitor methodVisitor) {
		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.visitTableSwitchInsn(min, max, dflt.getLabel(), labelsArray);
		acceptAnnotations(methodVisitor);
	}

	@Override
	public AbstractInsnNode clone(final Map<LabelNode, LabelNode> clonedLabels) {
		return new TableSwitchInsnNode(min, max, clone(dflt, clonedLabels), clone(labels, clonedLabels))
				.cloneAnnotations(this);
	}
}
