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109 lines
3.8 KiB
C++
109 lines
3.8 KiB
C++
/*
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* Copyright (c) 2017-2018, 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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/**
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* \file
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* \brief ExpressionInfo class for storing the properties of an expression.
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*/
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#ifndef COMPILER_EXPRESSION_INFO_H
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#define COMPILER_EXPRESSION_INFO_H
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#include "ue2common.h"
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#include "som/som.h"
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namespace ue2 {
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/** \brief Properties of an expression. */
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class ExpressionInfo {
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public:
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ExpressionInfo(unsigned int index_in, bool allow_vacuous_in,
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bool highlander_in, bool utf8_in, bool prefilter_in,
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som_type som_in, ReportID report_in, u64a min_offset_in,
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u64a max_offset_in, u64a min_length_in, u32 edit_distance_in,
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u32 hamm_distance_in, bool quiet_in)
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: index(index_in), report(report_in), allow_vacuous(allow_vacuous_in),
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highlander(highlander_in), utf8(utf8_in), prefilter(prefilter_in),
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som(som_in), min_offset(min_offset_in), max_offset(max_offset_in),
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min_length(min_length_in), edit_distance(edit_distance_in),
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hamm_distance(hamm_distance_in), quiet(quiet_in) {}
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/**
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* \brief Index of the expression represented by this graph.
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*
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* Used:
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* - down the track in error handling;
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* - for identifying parts of an expression in highlander mode.
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*/
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unsigned int index;
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/** \brief Report ID specified by the user. */
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ReportID report;
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/** \brief Vacuous pattern is allowed. (HS_FLAG_ALLOWEMPTY) */
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bool allow_vacuous;
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/** \brief "Highlander" (single match) pattern. (HS_FLAG_SINGLEMATCH) */
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bool highlander;
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/** \brief UTF-8 pattern. (HS_FLAG_UTF8) */
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bool utf8;
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/** \brief Prefiltering pattern. (HS_FLAG_PREFILTER) */
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bool prefilter;
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/** \brief Start-of-match type requested, or SOM_NONE. */
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som_type som;
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/** \brief Minimum match offset extended parameter. 0 if not used. */
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u64a min_offset;
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/**
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* \brief Maximum match offset extended parameter.
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* MAX_OFFSET if not used.
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*/
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u64a max_offset;
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/** \brief Minimum match length extended parameter. 0 if not used. */
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u64a min_length;
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/**
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* \brief Approximate matching edit distance extended parameter.
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* 0 if not used.
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*/
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u32 edit_distance;
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u32 hamm_distance;
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/** \brief Quiet on match. */
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bool quiet;
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};
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}
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#endif // COMPILER_EXPRESSION_INFO_H
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