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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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7
src/nfa/nfa_internal.h
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@@ -67,6 +67,7 @@ enum NFAEngineType {
LBR_NFA_Shuf, /**< magic pseudo nfa */
LBR_NFA_Truf, /**< magic pseudo nfa */
CASTLE_NFA_0, /**< magic pseudo nfa */
TAMARAMA_NFA_0, /**< magic nfa container */
/** \brief bogus NFA - not used */
INVALID_NFA
};
@@ -173,6 +174,12 @@ int isLbrType(u8 t) {
t == LBR_NFA_Shuf || t == LBR_NFA_Truf;
}
/** \brief True if the given type (from NFA::type) is a container engine. */
static really_inline
int isContainerType(u8 t) {
return t == TAMARAMA_NFA_0;
}
static really_inline
int isMultiTopType(u8 t) {
return !isDfaType(t) && !isLbrType(t);