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author | Devtools Arcadia <arcadia-devtools@yandex-team.ru> | 2022-02-07 18:08:42 +0300 |
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committer | Devtools Arcadia <arcadia-devtools@mous.vla.yp-c.yandex.net> | 2022-02-07 18:08:42 +0300 |
commit | 1110808a9d39d4b808aef724c861a2e1a38d2a69 (patch) | |
tree | e26c9fed0de5d9873cce7e00bc214573dc2195b7 /contrib/libs/hyperscan/src/nfa/limex_context.h | |
download | ydb-1110808a9d39d4b808aef724c861a2e1a38d2a69.tar.gz |
intermediate changes
ref:cde9a383711a11544ce7e107a78147fb96cc4029
Diffstat (limited to 'contrib/libs/hyperscan/src/nfa/limex_context.h')
-rw-r--r-- | contrib/libs/hyperscan/src/nfa/limex_context.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/contrib/libs/hyperscan/src/nfa/limex_context.h b/contrib/libs/hyperscan/src/nfa/limex_context.h new file mode 100644 index 0000000000..60d2087935 --- /dev/null +++ b/contrib/libs/hyperscan/src/nfa/limex_context.h @@ -0,0 +1,91 @@ +/* + * Copyright (c) 2015-2016, 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 Runtime context structures (NFAContext128 and friends) for the NFA. + */ + +#ifndef LIMEX_CONTEXT_H +#define LIMEX_CONTEXT_H + +#include "ue2common.h" +#include "callback.h" +#include "util/simd_utils.h" // for m128 etc + +// Runtime context structures. + +/* Note: The size of the context structures may vary from platform to platform + * (notably, for the Limex64 structure). As a result, information based on the + * size and other detail of these structures should not be written into the + * bytecode -- really, the details of the structure should not be accessed by + * the ue2 compile side at all. + */ +#ifdef __cplusplus +#error ue2 runtime only file +#endif + +/* cached_estate/esucc etc... + * + * If the exception state matches the cached_estate we will apply + * the or in the cached_esucc to the successor states rather than processing + * the exceptions. + * + * If the current exception state is a superset of the cached_estate, the + * cache is NOT used at all. + * + * The cache is updated when we see a different cacheable estate. + */ + +#define GEN_CONTEXT_STRUCT(nsize, ntype) \ +struct ALIGN_CL_DIRECTIVE NFAContext##nsize { \ + ntype s; /**< state bitvector (on entry/exit) */ \ + ntype local_succ; /**< used by exception handling for large models */ \ + ntype cached_estate; /* inited to 0 */ \ + ntype cached_esucc; \ + char cached_br; /**< cached_estate contains a br state */ \ + const ReportID *cached_reports; \ + union RepeatControl *repeat_ctrl; \ + char *repeat_state; \ + NfaCallback callback; \ + void *context; \ +}; + +GEN_CONTEXT_STRUCT(32, u32) +#ifdef ARCH_64_BIT +GEN_CONTEXT_STRUCT(64, u64a) +#else +GEN_CONTEXT_STRUCT(64, m128) +#endif +GEN_CONTEXT_STRUCT(128, m128) +GEN_CONTEXT_STRUCT(256, m256) +GEN_CONTEXT_STRUCT(384, m384) +GEN_CONTEXT_STRUCT(512, m512) + +#undef GEN_CONTEXT_STRUCT + +#endif |