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https://github.com/VectorCamp/vectorscan.git
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108 lines
5.1 KiB
C++
108 lines
5.1 KiB
C++
/*
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* Copyright (c) 2015, 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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/** \file
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* \brief Per-position flags used during Glushkov construction, PositionInfo class.
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*/
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#ifndef PARSER_POSITION_H
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#define PARSER_POSITION_H
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#include "ue2common.h"
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#include <set>
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namespace ue2 {
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#define POS_FLAG_NOFLOAT (1 << 0) //!< don't wire to start-dotstar
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#define POS_FLAG_MUST_FLOAT (1 << 1) //!< don't wire solely to start
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#define POS_FLAG_FIDDLE_ACCEPT (1 << 2) //!< add a dot with an offset adjustment when wiring to accept
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#define POS_FLAG_ASSERT_WORD_TO_NONWORD (1 << 3) //!< epsilon for word to nonword transition
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#define POS_FLAG_ASSERT_NONWORD_TO_WORD (1 << 4) //!< epsilon for nonword to word transition
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#define POS_FLAG_ASSERT_WORD_TO_WORD (1 << 5) //!< epsilon for word to word transition
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#define POS_FLAG_ASSERT_NONWORD_TO_NONWORD (1 << 6) //!< epsilon for nonword to nonword transition
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/** vertex created by cloning startDs, not considered part of the match.
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* mirrors POS_FLAG_FIDDLE_ACCEPT */
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#define POS_FLAG_VIRTUAL_START (1 << 7)
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/** multi-line ^ does not match \\n at end of buffer. As a result, we must never
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* wire the \\n from ^ to eod */
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#define POS_FLAG_MULTILINE_START (1 << 8)
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#define POS_FLAG_ASSERT_WORD_TO_NONWORD_UCP (1 << 9)
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#define POS_FLAG_ASSERT_NONWORD_TO_WORD_UCP (1 << 10)
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#define POS_FLAG_ASSERT_WORD_TO_WORD_UCP (1 << 11)
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#define POS_FLAG_ASSERT_NONWORD_TO_NONWORD_UCP (1 << 12)
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#define POS_FLAG_ASSERT_NONWORD_TO_ANY (POS_FLAG_ASSERT_NONWORD_TO_NONWORD \
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| POS_FLAG_ASSERT_NONWORD_TO_WORD)
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#define POS_FLAG_ASSERT_WORD_TO_ANY (POS_FLAG_ASSERT_WORD_TO_NONWORD \
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| POS_FLAG_ASSERT_WORD_TO_WORD)
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#define POS_FLAG_ASSERT_ANY_TO_NONWORD (POS_FLAG_ASSERT_NONWORD_TO_NONWORD \
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| POS_FLAG_ASSERT_WORD_TO_NONWORD)
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#define POS_FLAG_ASSERT_ANY_TO_WORD (POS_FLAG_ASSERT_NONWORD_TO_WORD \
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| POS_FLAG_ASSERT_WORD_TO_WORD)
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#define POS_FLAG_ASSERT_NONWORD_TO_ANY_UCP \
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(POS_FLAG_ASSERT_NONWORD_TO_NONWORD_UCP \
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| POS_FLAG_ASSERT_NONWORD_TO_WORD_UCP)
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#define POS_FLAG_ASSERT_WORD_TO_ANY_UCP (POS_FLAG_ASSERT_WORD_TO_NONWORD_UCP \
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| POS_FLAG_ASSERT_WORD_TO_WORD_UCP)
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#define POS_FLAG_ASSERT_ANY_TO_NONWORD_UCP \
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(POS_FLAG_ASSERT_NONWORD_TO_NONWORD_UCP \
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| POS_FLAG_ASSERT_WORD_TO_NONWORD_UCP)
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#define POS_FLAG_ASSERT_ANY_TO_WORD_UCP (POS_FLAG_ASSERT_WORD_TO_WORD_UCP \
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| POS_FLAG_ASSERT_NONWORD_TO_WORD_UCP)
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#define UCP_ASSERT_FLAGS (POS_FLAG_ASSERT_WORD_TO_ANY_UCP \
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| POS_FLAG_ASSERT_NONWORD_TO_ANY_UCP)
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#define NON_UCP_ASSERT_FLAGS (POS_FLAG_ASSERT_WORD_TO_ANY \
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| POS_FLAG_ASSERT_NONWORD_TO_ANY)
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/** do not wire to accept or other pos; may still wire to eod, etc if
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* instructed */
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#define POS_FLAG_ONLY_ENDS (1 << 23)
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#define POS_FLAG_WIRE_EOD (1 << 24) /**< wire to accept eod */
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#define POS_FLAG_WIRE_NL_EOD (1 << 25) /**< wire to nl before accept eod */
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#define POS_FLAG_WIRE_NL_ACCEPT (1 << 26) /**< wire to nl before accept */
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#define POS_FLAG_NO_NL_EOD (1 << 27) /**< disallow nl before accept eod */
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#define POS_FLAG_NO_NL_ACCEPT (1 << 28) /**< disallow nl before accept */
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/** \brief Parse and Glushkov construction use only. State number within the
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* NFA as it is being constructed. */
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typedef u32 Position;
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} // namespace ue2
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#endif // PARSER_POSITION_H
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