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tamarama: add container engine for exclusive nfas

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Add the new Tamarama engine that acts as a container for infix/suffix
engines that can be proven to run exclusively of one another.

This reduces stream state for pattern sets with many exclusive engines.
This commit is contained in:
Xiang Wang
2015-08-11 05:23:12 -04:00
committed by Matthew Barr
parent 013dbd3b3c
commit 9087d59be5
38 changed files with 2418 additions and 56 deletions
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14
src/nfa/nfa_api.h
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@@ -120,6 +120,13 @@ char nfaInitCompressedState(const struct NFA *nfa, u64a offset, void *state,
*/
char nfaQueueExec(const struct NFA *nfa, struct mq *q, s64a end);
/**
* Main execution function that doesn't perform the checks and optimisations of
* nfaQueueExec() and just dispatches directly to the nfa implementations. It is
* intended to be used by the Tamarama engine.
*/
char nfaQueueExec_raw(const struct NFA *nfa, struct mq *q, s64a end);
/** Return value indicating that the engine is alive. */
#define MO_ALIVE 1
@@ -155,6 +162,13 @@ char nfaQueueExec(const struct NFA *nfa, struct mq *q, s64a end);
*/
char nfaQueueExecToMatch(const struct NFA *nfa, struct mq *q, s64a end);
/**
* Main execution function that doesn't perform the checks and optimisations of
* nfaQueueExecToMatch() and just dispatches directly to the nfa
* implementations. It is intended to be used by the Tamarama engine.
*/
char nfaQueueExec2_raw(const struct NFA *nfa, struct mq *q, s64a end);
/**
* Report matches at the current queue location.
*