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author | bnagaev <bnagaev@yandex-team.ru> | 2022-02-10 16:47:04 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:47:04 +0300 |
commit | c74559fb88da8adac0d9186cfa55a6b13c47695f (patch) | |
tree | b83306b6e37edeea782e9eed673d89286c4fef35 /contrib/libs/hyperscan/src/nfagraph/ng_stop.h | |
parent | d6449ba66291ff0c0d352c82e6eb3efb4c8a7e8d (diff) | |
download | ydb-c74559fb88da8adac0d9186cfa55a6b13c47695f.tar.gz |
Restoring authorship annotation for <bnagaev@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/hyperscan/src/nfagraph/ng_stop.h')
-rw-r--r-- | contrib/libs/hyperscan/src/nfagraph/ng_stop.h | 120 |
1 files changed, 60 insertions, 60 deletions
diff --git a/contrib/libs/hyperscan/src/nfagraph/ng_stop.h b/contrib/libs/hyperscan/src/nfagraph/ng_stop.h index 8399047f7b..4a889dca09 100644 --- a/contrib/libs/hyperscan/src/nfagraph/ng_stop.h +++ b/contrib/libs/hyperscan/src/nfagraph/ng_stop.h @@ -1,66 +1,66 @@ -/* +/* * Copyright (c) 2015-2018, 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 Stop Alphabet calculation. - */ - -#ifndef NG_STOP_H -#define NG_STOP_H - -#include "ue2common.h" -#include "som/som.h" - -#include <vector> - -namespace ue2 { - -struct CastleProto; -class CharReach; -class NGHolder; - -/** Find the set of characters that are not present in the reachability of - * graph \p g after a certain depth (currently 8). If a character in this set - * is encountered, it means that the NFA is either dead or has not progressed + * + * 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 Stop Alphabet calculation. + */ + +#ifndef NG_STOP_H +#define NG_STOP_H + +#include "ue2common.h" +#include "som/som.h" + +#include <vector> + +namespace ue2 { + +struct CastleProto; +class CharReach; +class NGHolder; + +/** Find the set of characters that are not present in the reachability of + * graph \p g after a certain depth (currently 8). If a character in this set + * is encountered, it means that the NFA is either dead or has not progressed * more than 8 characters from its start states. * * This is only used to guide merging heuristics, use * findLeftOffsetStopAlphabet for real uses. */ -CharReach findStopAlphabet(const NGHolder &g, som_type som); - -/** Calculate the stop alphabet for each depth from 0 to MAX_STOP_DEPTH. Then - * build an eight-bit mask per character C, with each bit representing the - * depth before the location of character C (if encountered) that the NFA would - * be in a predictable start state. */ -std::vector<u8> findLeftOffsetStopAlphabet(const NGHolder &g, som_type som); -std::vector<u8> findLeftOffsetStopAlphabet(const CastleProto &c, som_type som); - -} // namespace ue2 - -#endif +CharReach findStopAlphabet(const NGHolder &g, som_type som); + +/** Calculate the stop alphabet for each depth from 0 to MAX_STOP_DEPTH. Then + * build an eight-bit mask per character C, with each bit representing the + * depth before the location of character C (if encountered) that the NFA would + * be in a predictable start state. */ +std::vector<u8> findLeftOffsetStopAlphabet(const NGHolder &g, som_type som); +std::vector<u8> findLeftOffsetStopAlphabet(const CastleProto &c, som_type som); + +} // namespace ue2 + +#endif |