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
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_ANCHORED
30#define ROSE_BUILD_ANCHORED
31
32#include "ue2common.h"
33#include "rose_build_impl.h"
34#include "nfagraph/ng_holder.h"
35#include "util/bytecode_ptr.h"
36
37#include <map>
38#include <vector>
39#include <set>
40
41struct anchored_matcher_info;
42
43namespace ue2 {
44
45class RoseBuildImpl;
46struct raw_dfa;
47struct LitFragment;
48
49/**
50 * \brief Construct a set of anchored DFAs from our anchored literals/engines.
51 */
52std::vector<raw_dfa> buildAnchoredDfas(RoseBuildImpl &build,
53 const std::vector<LitFragment> &fragments);
54
55/**
56 * \brief Construct an anchored_matcher_info runtime structure from the given
57 * set of DFAs.
58 *
59 * Remap the literal final_ids used for raw_dfa reports to the program offsets
60 * given in litPrograms.
61 */
62bytecode_ptr<anchored_matcher_info>
63buildAnchoredMatcher(RoseBuildImpl &build,
64 const std::vector<LitFragment> &fragments,
65 std::vector<raw_dfa> &dfas);
66
67u32 anchoredStateSize(const anchored_matcher_info &atable);
68
69#define ANCHORED_FAIL 0
70#define ANCHORED_SUCCESS 1
71#define ANCHORED_REMAP 2
72
73int addAnchoredNFA(RoseBuildImpl &build, const NGHolder &wrapper,
74 const std::map<NFAVertex, std::set<u32>> &reportMap);
75
76int addToAnchoredMatcher(RoseBuildImpl &build, const NGHolder &anchored,
77 u32 exit_id, ReportID *remap);
78
79} // namespace ue2
80
81#endif
82