/* 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.
*/

#include "stdafx.h"
#include "ilengineer/Blocks/Do.h"

#include "ilengineer/Blocks/Method.h"
#include "ilengineer/Ops/MSIL/Branch.h"
#include "ilengineer/Ops/MSIL/BranchTrue.h"
#include "ilengineer/Ops/MSIL/BranchFalse.h"
#include "ilengineer/Ops/ILE/LoadConstant.h"

namespace ILEngineer {
namespace Blocks {

	Do::Do(Blocks::Method *method, Ops::MSIL::BranchPoint *branch, uint8_t *offset, uint8_t *check) :
		CheckedLoop(method, offset, check)
	{
		const type_info &type = typeid(*branch);
		if (type == typeid(Ops::MSIL::BranchTrue)) {
			branch->toTrash();
			Tack(dynamic_cast<Ops::MSIL::BranchTrue *>(branch)->getValue());
		} else if (type == typeid(Ops::MSIL::BranchFalse)) {
			branch->toTrash();
			Tack(new Ops::ILE::LogicNot(m_Method, dynamic_cast<Ops::MSIL::BranchFalse *>(branch)->getValue()));
		} else if (type == typeid(Ops::MSIL::Branch)) {
			Tack(new Ops::ILE::LoadBoolConstant(m_Method, NULL, true));
		} else
			std::cerr << "Magical futuristic branch... UPDATE!" << std::endl;
	}

	Operation *Do::getValue() {
		return m_Operations[0];
	}

} }