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/*
* Copyright (c) 2015, 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 Build code for Haig SOM DFA.
*/
#ifndef NG_HAIG_H
#define NG_HAIG_H
#include "ue2common.h"
#include "som/som.h"
#include <memory>
#include <vector>
namespace ue2 {
class CharReach;
class NGHolder;
struct Grey;
struct raw_som_dfa;
#define HAIG_FINAL_DFA_STATE_LIMIT 16383
#define HAIG_HARD_DFA_STATE_LIMIT 8192
/* unordered_som_triggers being true indicates that a live haig may be subjected
* to later tops arriving with earlier soms (without the haig going dead in
* between)
*/
std::unique_ptr<raw_som_dfa>
attemptToBuildHaig(const NGHolder &g, som_type som, u32 somPrecision,
const std::vector<std::vector<CharReach>> &triggers,
const Grey &grey, bool unordered_som_triggers = false);
std::unique_ptr<raw_som_dfa>
attemptToMergeHaig(const std::vector<const raw_som_dfa *> &dfas,
u32 limit = HAIG_HARD_DFA_STATE_LIMIT);
} // namespace ue2
#endif
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