1/*
2 * Copyright (c) 2015-2017, Intel Corporation
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * * Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of Intel Corporation nor the names of its contributors
13 * may be used to endorse or promote products derived from this software
14 * without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 */
28
29/** \file
30 * \brief Rose Build: functions for reducing the number of engines in a Rose
31 * graph through merging or deduplicating engines.
32 */
33
34#ifndef ROSE_BUILD_MERGE_H
35#define ROSE_BUILD_MERGE_H
36
37#include "rose_graph.h"
38
39#include <deque>
40#include <set>
41
42namespace ue2 {
43
44class NGHolder;
45class RoseBuildImpl;
46
47bool dedupeLeftfixes(RoseBuildImpl &tbi);
48void mergeLeftfixesVariableLag(RoseBuildImpl &tbi);
49void dedupeLeftfixesVariableLag(RoseBuildImpl &tbi);
50void dedupeSuffixes(RoseBuildImpl &tbi);
51
52void mergeAcyclicSuffixes(RoseBuildImpl &tbi);
53void mergeSmallSuffixes(RoseBuildImpl &tbi);
54void mergeSmallLeftfixes(RoseBuildImpl &tbi);
55void mergeCastleLeftfixes(RoseBuildImpl &tbi);
56void mergeOutfixes(RoseBuildImpl &tbi);
57void mergePuffixes(RoseBuildImpl &tbi);
58void mergeCastleSuffixes(RoseBuildImpl &tbi);
59
60bool mergeableRoseVertices(const RoseBuildImpl &tbi, RoseVertex u,
61 RoseVertex v);
62bool mergeableRoseVertices(const RoseBuildImpl &tbi,
63 const std::set<RoseVertex> &v1,
64 const std::set<RoseVertex> &v2);
65bool setDistinctRoseTops(RoseGraph &g, NGHolder &h1, const NGHolder &h2,
66 const std::deque<RoseVertex> &verts1);
67
68} // namespace ue2
69
70#endif // ROSE_BUILD_MERGE_H
71