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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 SOM ("Start of Match") analysis.
*/
#ifndef NG_SOM_H
#define NG_SOM_H
#include "som/som.h"
#include "ue2common.h"
namespace ue2 {
class ExpressionInfo;
class NG;
class NGHolder;
class ReportManager;
struct Grey;
enum sombe_rv {
SOMBE_FAIL,
SOMBE_HANDLED_INTERNAL,
SOMBE_HANDLED_ALL
};
/** \brief Perform SOM analysis on the given graph.
*
* This function will replace report IDs and mutate the graph, then return
* SOMBE_HANDLED_INTERNAL if SOM can be established and the full graph still
* needs to be handled (rose, etc).
*
* Returns SOMBE_HANDLED_ALL if everything has been done and the pattern has
* been handled in all its glory.
*
* Returns SOMBE_FAIL and does not mutate the graph if SOM cannot be
* established.
*
* May throw a "Pattern too large" exception if prefixes of the
* pattern are too large to compile.
*/
sombe_rv doSom(NG &ng, NGHolder &h, const ExpressionInfo &expr, u32 comp_id,
som_type som);
/** Returns SOMBE_FAIL (and the original graph) if SOM cannot be established.
* May also throw pattern too large if prefixes of the pattern are too large to
* compile. */
sombe_rv doSomWithHaig(NG &ng, NGHolder &h, const ExpressionInfo &expr,
u32 comp_id, som_type som);
void makeReportsSomPass(ReportManager &rm, NGHolder &g);
} // namespace ue2
#endif // NG_SOM_H
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