1/*
2 * Copyright (c) 2015, 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
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef ROSE_BUILD_CASTLE_H
30#define ROSE_BUILD_CASTLE_H
31
32#include "rose_graph.h"
33
34#include <set>
35
36namespace ue2 {
37
38class RoseBuildImpl;
39struct left_id;
40struct ue2_literal;
41
42/**
43 * Runs over all rose infix/suffix engines and converts those that are pure
44 * repeats with one report into CastleProto engines.
45 */
46void makeCastles(RoseBuildImpl &tbi);
47
48/**
49 * Identifies all the CastleProto prototypes that are small enough that they
50 * would be better implemented as NFAs, and converts them back to NGHolder
51 * prototypes.
52 *
53 * Returns true if any changes were made.
54 */
55bool unmakeCastles(RoseBuildImpl &tbi);
56
57/**
58 * Runs over all the Castle engine prototypes in the graph and ensures that
59 * they have tops in a contiguous range, ready for construction.
60 */
61void remapCastleTops(RoseBuildImpl &tbi);
62
63bool triggerKillsRoseCastle(const RoseBuildImpl &tbi, const left_id &left,
64 const std::set<ue2_literal> &all_lits,
65 const RoseEdge &e);
66
67}
68
69#endif
70