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 | |
41 | struct anchored_matcher_info; |
42 | |
43 | namespace ue2 { |
44 | |
45 | class RoseBuildImpl; |
46 | struct raw_dfa; |
47 | struct LitFragment; |
48 | |
49 | /** |
50 | * \brief Construct a set of anchored DFAs from our anchored literals/engines. |
51 | */ |
52 | std::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 | */ |
62 | bytecode_ptr<anchored_matcher_info> |
63 | buildAnchoredMatcher(RoseBuildImpl &build, |
64 | const std::vector<LitFragment> &fragments, |
65 | std::vector<raw_dfa> &dfas); |
66 | |
67 | u32 anchoredStateSize(const anchored_matcher_info &atable); |
68 | |
69 | #define ANCHORED_FAIL 0 |
70 | #define ANCHORED_SUCCESS 1 |
71 | #define ANCHORED_REMAP 2 |
72 | |
73 | int addAnchoredNFA(RoseBuildImpl &build, const NGHolder &wrapper, |
74 | const std::map<NFAVertex, std::set<u32>> &reportMap); |
75 | |
76 | int addToAnchoredMatcher(RoseBuildImpl &build, const NGHolder &anchored, |
77 | u32 exit_id, ReportID *remap); |
78 | |
79 | } // namespace ue2 |
80 | |
81 | #endif |
82 | |