/* 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/Block.h"

#include "ilengineer/Blocks/Try.h"

void ILEngineer::Block::OptimizeTry() {
	for (StatementVector::iterator stI(m_Statements.begin()); stI != m_Statements.end(); stI++)
		if ((*stI)->isBlock())
			dynamic_cast<Block *>(*stI)->OptimizeTry();

	for (size_t i(0); i < m_Statements.size(); i++) {
		Statement *st1 = m_Statements[i];
		if (typeid(*st1) == typeid(Blocks::Try)) {
			Blocks::Try *triumph = dynamic_cast<Blocks::Try *>(st1);
			StatementVector &speech = triumph->getStatements();
			if (speech.size() == 1) {
				Statement *st2 = speech[0];
				if (typeid(*st2) == typeid(Blocks::Try)) {
					Blocks::Try *traffic = dynamic_cast<Blocks::Try *>(st2);
					traffic->getCatches().insert(traffic->getCatches().end(), triumph->getCatches().begin(), triumph->getCatches().end());
					traffic->getFinallies().insert(traffic->getFinallies().end(), triumph->getFinallies().begin(), triumph->getFinallies().end());
					triumph->getCatches().clear();
					triumph->getFinallies().clear();
					triumph->toTrash();
					delete triumph;
					m_Statements[i] = traffic;
				}
			}
		}
	}
}