/* ILEngineer - Crummy .NET Decompiler
 * Copyright (C) 2001-2002  Jay Freeman (saurik)
*/

/*
 *        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. The name of the author may not be used to endorse
 *    or promote products derived from this software
 *    without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/

#pragma once

#include "ilengineer/Operation.h"

namespace ILEngineer {
namespace Ops {
namespace MSIL {

	class Switch : public Operation {
	  public:
		typedef std::pair<uint8_t *, ULONG> TargetPair;
		typedef std::multimap<uint8_t *, ULONG> TargetMap;

	  protected:
		TargetMap m_Targets;
		ULONG m_N;

	  public:
		Switch(Blocks::Method *method, uint8_t *offset, uint8_t * &current, ULONG n, Operation *value) :
			Operation(method, offset),
			m_N(n)
		{
			Tack(value, Chordata::Element::I4); // XXX: Accuracy

			if (isOpen)
				std::cout << "Switch(" << n << ')';

			uint8_t *base = current + n * 4;
			for (ULONG i(0); i < n; i++, current += 4) {
				if (isOpen)
					std::cout << " [" << i << " -> " << (void *) (base + * (int32_t *) current) << ']';
				m_Targets.insert(TargetPair(base + * (int32_t *) current, i));
			}

			if (isOpen)
				std::cout << std::endl << std::endl;
		}

		Operation *						getValue()		{ return m_Operations[0]; }
		ULONG							getN()			{ return m_N; }
		TargetMap &						getTargets()	{ return m_Targets; }
	};

} } }