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/*
 * Copyright (c) 2015-2017, Intel Corporation 
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  * 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.
 *  * Neither the name of Intel Corporation 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
 * 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.
 */

/** \file
 * \brief Propagate extended parameters to vertex reports and reduce graph if
 * possible.
 */

#ifndef NG_EXTPARAM_H
#define NG_EXTPARAM_H

#include "som/som.h" 
 
namespace ue2 {

class ExpressionInfo; 
class NGHolder; 
class ReportManager;

/** 
 * \brief Propagate extended parameter information to vertex reports. Will 
 * throw CompileError if this expression's extended parameters are not 
 * satisfiable. 
 * 
 * This will also remove extended parameter constraints that are guaranteed to 
 * be satisfied from ExpressionInfo. 
 */ 
void propagateExtendedParams(NGHolder &g, ExpressionInfo &expr, 
                             ReportManager &rm); 

/** 
 * \brief Perform graph reductions (if possible) to do with extended parameter 
 * constraints on reports. 
 */ 
void reduceExtendedParams(NGHolder &g, ReportManager &rm, som_type som); 
 
} // namespace ue2

#endif