/* 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 "Operation.h"

#include "ilengineer/ilengineer.h"

namespace ILEngineer {

	// Stand in the place where you live, now face north.
	// Think about direction, wonder why you haven't now...

	class ILENGINEER_API Statement : public Operation {
	  public:
		struct Reference {
			StatementVector *stV;
			StatementVector::iterator stI;

			Reference() : stV(NULL) {}
			Reference(StatementVector *stV, StatementVector::iterator stI) : stV(stV), stI(stI) {}
		};

		typedef std::vector<Reference> ReferenceVector;

	  protected:
		// XXX: Synchronize
		static label;
		int m_Goto;
		bool m_Block;
		bool m_Target;

	  public:
		Statement(Blocks::Method *method, uint8_t *offset = NULL) :
			Operation(method, offset),
			m_Goto(-1),
			m_Block(true),
			m_Target(false)
		{}

		Statement(Blocks::Method *method, uint8_t *offset, Operation *operation) :
			Operation(method, offset),
			m_Goto(-1),
			m_Block(false),
			m_Target(false)
		{
			m_Operations.push_back(operation);
		}

		bool							isBlock()		const	{ return m_Block; }

		bool							isTarget()				{ return m_Target; }
		void							setTarget()				{ m_Target = true; }
		void							unTarget()				{ m_Target = false; }

		int								getGoto()				{ return m_Goto; }
		int								setGoto()				{ return (m_Goto == -1) ? (m_Goto = label++) : m_Goto; }

		const Metallurgy::Element *	getType()				{ return NULL; }

		const Operation *				operator *()	const	{ return isBlock() ? NULL : m_Operations[0]; }
		Operation *						operator *()			{ return isBlock() ? NULL : m_Operations[0]; }
	};
}