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literal matching: separate path for pure literal patterns

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Hong, Yang A
2019-01-09 06:00:55 +08:00
committed by Chang, Harry
parent 63e7d89fcc
commit f68723a606
17 changed files with 379 additions and 27 deletions
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7
src/hwlm/hwlm_literal.cpp
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2016, Intel Corporation
* Copyright (c) 2015-2019, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -83,9 +83,10 @@ bool maskIsConsistent(const std::string &s, bool nocase, const vector<u8> &msk,
* \ref HWLM_MASKLEN. */
hwlmLiteral::hwlmLiteral(const std::string &s_in, bool nocase_in,
bool noruns_in, u32 id_in, hwlm_group_t groups_in,
const vector<u8> &msk_in, const vector<u8> &cmp_in)
const vector<u8> &msk_in, const vector<u8> &cmp_in,
bool pure_in)
: s(s_in), id(id_in), nocase(nocase_in), noruns(noruns_in),
groups(groups_in), msk(msk_in), cmp(cmp_in) {
groups(groups_in), msk(msk_in), cmp(cmp_in), pure(pure_in) {
assert(s.size() <= HWLM_LITERAL_MAX_LEN);
assert(msk.size() <= HWLM_MASKLEN);
assert(msk.size() == cmp.size());

11
src/hwlm/hwlm_literal.h
View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2017, Intel Corporation
* Copyright (c) 2015-2019, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -113,15 +113,20 @@ struct hwlmLiteral {
*/
std::vector<u8> cmp;
bool pure; //!< \brief The pass-on of pure flag from LitFragment.
/** \brief Complete constructor, takes group information and msk/cmp.
*
* This constructor takes a msk/cmp pair. Both must be vectors of length <=
* \ref HWLM_MASKLEN. */
hwlmLiteral(const std::string &s_in, bool nocase_in, bool noruns_in,
u32 id_in, hwlm_group_t groups_in,
const std::vector<u8> &msk_in, const std::vector<u8> &cmp_in);
const std::vector<u8> &msk_in, const std::vector<u8> &cmp_in,
bool pure_in = false);
/** \brief Simple constructor: no group information, no msk/cmp. */
/** \brief Simple constructor: no group information, no msk/cmp.
*
* This constructor is only used in internal unit test. */
hwlmLiteral(const std::string &s_in, bool nocase_in, u32 id_in)
: hwlmLiteral(s_in, nocase_in, false, id_in, HWLM_ALL_GROUPS, {}, {}) {}
};