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https://github.com/VectorCamp/vectorscan.git
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82 lines
2.9 KiB
C++
82 lines
2.9 KiB
C++
/*
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* Copyright (c) 2015-2017, Intel Corporation
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Intel Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef ROSE_BUILD_ANCHORED
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#define ROSE_BUILD_ANCHORED
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#include "ue2common.h"
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#include "rose_build_impl.h"
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#include "nfagraph/ng_holder.h"
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#include "util/bytecode_ptr.h"
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#include <map>
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#include <vector>
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#include <set>
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struct anchored_matcher_info;
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namespace ue2 {
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class RoseBuildImpl;
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struct raw_dfa;
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struct LitFragment;
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/**
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* \brief Construct a set of anchored DFAs from our anchored literals/engines.
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*/
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std::vector<raw_dfa> buildAnchoredDfas(RoseBuildImpl &build,
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const std::vector<LitFragment> &fragments);
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/**
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* \brief Construct an anchored_matcher_info runtime structure from the given
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* set of DFAs.
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*
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* Remap the literal final_ids used for raw_dfa reports to the program offsets
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* given in litPrograms.
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*/
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bytecode_ptr<anchored_matcher_info>
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buildAnchoredMatcher(RoseBuildImpl &build,
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const std::vector<LitFragment> &fragments,
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std::vector<raw_dfa> &dfas);
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u32 anchoredStateSize(const anchored_matcher_info &atable);
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#define ANCHORED_FAIL 0
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#define ANCHORED_SUCCESS 1
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#define ANCHORED_REMAP 2
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int addAnchoredNFA(RoseBuildImpl &build, const NGHolder &wrapper,
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const std::map<NFAVertex, std::set<u32>> &reportMap);
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int addToAnchoredMatcher(RoseBuildImpl &build, const NGHolder &anchored,
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u32 exit_id, ReportID *remap);
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} // namespace ue2
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#endif
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