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nfa: delete largely-unused struct LimExNFABase

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This commit is contained in:
Justin Viiret 2016-08-02 14:49:38 +10:00 committed by Matthew Barr
parent 093029b5d1
commit a9fddbc400
2 changed files with 137 additions and 75 deletions
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20
src/nfa/limex_internal.h
View File

@ -99,24 +99,6 @@ enum LimExSquash {
LIMEX_SQUASH_REPORT = 3 //!< squash when report is raised
};
struct LimExNFABase {
u8 reachMap[N_CHARS];
u32 reachSize;
u32 accelCount;
u32 accelTableOffset;
u32 accelAuxCount;
u32 accelAuxOffset;
u32 acceptCount;
u32 acceptOffset;
u32 acceptEodCount;
u32 acceptEodOffset;
u32 exceptionCount;
u32 exceptionOffset;
u32 exReportOffset;
u32 repeatCount;
u32 repeatOffset;
};
/* uniform looking types for the macros */
typedef u8 u_8;
typedef u16 u_16;
@ -137,7 +119,7 @@ struct NFAException##size { \
u8 trigger; /**< from enum LimExTrigger */ \
}; \
\
struct LimExNFA##size { /* MUST align with LimExNFABase */ \
struct LimExNFA##size { \
u8 reachMap[N_CHARS]; /**< map of char -> entry in reach[] */ \
u32 reachSize; /**< number of reach masks */ \
u32 accelCount; /**< number of entries in accel table */ \

188
src/nfa/nfa_build_util.cpp
View File

@ -78,7 +78,7 @@ struct DISPATCH_BY_NFA_TYPE_INT<sfunc, rv_t, arg_t, INVALID_NFA> {
decltype(arg), (NFAEngineType)0>::doOp(i, arg)
}
typedef bool (*has_accel_fn)(const NFA *nfa);
typedef bool (*nfa_dispatch_fn)(const NFA *nfa);
template<typename T>
static
@ -87,8 +87,37 @@ bool has_accel_limex(const NFA *nfa) {
return limex->accelCount;
}
template<typename T>
static
bool has_accel_generic(const NFA *) {
bool has_repeats_limex(const NFA *nfa) {
const T *limex = (const T *)getImplNfa(nfa);
return limex->repeatCount;
}
template<typename T>
static
bool has_repeats_other_than_firsts_limex(const NFA *nfa) {
const T *limex = (const T *)getImplNfa(nfa);
const char *ptr = (const char *)limex;
const u32 *repeatOffset = (const u32 *)(ptr + limex->repeatOffset);
for (u32 i = 0; i < limex->repeatCount; i++) {
u32 offset = repeatOffset[i];
const NFARepeatInfo *info = (const NFARepeatInfo *)(ptr + offset);
const RepeatInfo *repeat =
(const RepeatInfo *)((const char *)info + sizeof(*info));
if (repeat->type != REPEAT_FIRST) {
return true;
}
}
return false;
}
static
bool dispatch_false(const NFA *) {
return false;
}
@ -146,13 +175,20 @@ enum NFACategory {NFA_LIMEX, NFA_OTHER};
static const NFACategory category = NFA_LIMEX; \
typedef LimExNFA##mlt_size implNFA_t; \
typedef u_##mlt_size tableRow_t; \
static const has_accel_fn has_accel; \
static const nfa_dispatch_fn has_accel; \
static const nfa_dispatch_fn has_repeats; \
static const nfa_dispatch_fn has_repeats_other_than_firsts; \
static const u32 stateAlign = \
MAX(alignof(tableRow_t), alignof(RepeatControl)); \
static const bool fast = mlt_size <= 64; \
}; \
const has_accel_fn NFATraits<LIMEX_NFA_##mlt_size>::has_accel \
const nfa_dispatch_fn NFATraits<LIMEX_NFA_##mlt_size>::has_accel \
= has_accel_limex<LimExNFA##mlt_size>; \
const nfa_dispatch_fn NFATraits<LIMEX_NFA_##mlt_size>::has_repeats \
= has_repeats_limex<LimExNFA##mlt_size>; \
const nfa_dispatch_fn \
NFATraits<LIMEX_NFA_##mlt_size>::has_repeats_other_than_firsts \
= has_repeats_other_than_firsts_limex<LimExNFA##mlt_size>; \
DO_IF_DUMP_SUPPORT( \
const char *NFATraits<LIMEX_NFA_##mlt_size>::name \
= "LimEx "#mlt_size; \
@ -173,9 +209,13 @@ template<> struct NFATraits<MCCLELLAN_NFA_8> {
static const NFACategory category = NFA_OTHER;
static const u32 stateAlign = 1;
static const bool fast = true;
static const has_accel_fn has_accel;
static const nfa_dispatch_fn has_accel;
static const nfa_dispatch_fn has_repeats;
static const nfa_dispatch_fn has_repeats_other_than_firsts;
};
const has_accel_fn NFATraits<MCCLELLAN_NFA_8>::has_accel = has_accel_dfa;
const nfa_dispatch_fn NFATraits<MCCLELLAN_NFA_8>::has_accel = has_accel_dfa;
const nfa_dispatch_fn NFATraits<MCCLELLAN_NFA_8>::has_repeats = dispatch_false;
const nfa_dispatch_fn NFATraits<MCCLELLAN_NFA_8>::has_repeats_other_than_firsts = dispatch_false;
#if defined(DUMP_SUPPORT)
const char *NFATraits<MCCLELLAN_NFA_8>::name = "McClellan 8";
#endif
@ -185,9 +225,13 @@ template<> struct NFATraits<MCCLELLAN_NFA_16> {
static const NFACategory category = NFA_OTHER;
static const u32 stateAlign = 2;
static const bool fast = true;
static const has_accel_fn has_accel;
static const nfa_dispatch_fn has_accel;
static const nfa_dispatch_fn has_repeats;
static const nfa_dispatch_fn has_repeats_other_than_firsts;
};
const has_accel_fn NFATraits<MCCLELLAN_NFA_16>::has_accel = has_accel_dfa;
const nfa_dispatch_fn NFATraits<MCCLELLAN_NFA_16>::has_accel = has_accel_dfa;
const nfa_dispatch_fn NFATraits<MCCLELLAN_NFA_16>::has_repeats = dispatch_false;
const nfa_dispatch_fn NFATraits<MCCLELLAN_NFA_16>::has_repeats_other_than_firsts = dispatch_false;
#if defined(DUMP_SUPPORT)
const char *NFATraits<MCCLELLAN_NFA_16>::name = "McClellan 16";
#endif
@ -197,9 +241,13 @@ template<> struct NFATraits<GOUGH_NFA_8> {
static const NFACategory category = NFA_OTHER;
static const u32 stateAlign = 8;
static const bool fast = true;
static const has_accel_fn has_accel;
static const nfa_dispatch_fn has_accel;
static const nfa_dispatch_fn has_repeats;
static const nfa_dispatch_fn has_repeats_other_than_firsts;
};
const has_accel_fn NFATraits<GOUGH_NFA_8>::has_accel = has_accel_dfa;
const nfa_dispatch_fn NFATraits<GOUGH_NFA_8>::has_accel = has_accel_dfa;
const nfa_dispatch_fn NFATraits<GOUGH_NFA_8>::has_repeats = dispatch_false;
const nfa_dispatch_fn NFATraits<GOUGH_NFA_8>::has_repeats_other_than_firsts = dispatch_false;
#if defined(DUMP_SUPPORT)
const char *NFATraits<GOUGH_NFA_8>::name = "Goughfish 8";
#endif
@ -209,9 +257,13 @@ template<> struct NFATraits<GOUGH_NFA_16> {
static const NFACategory category = NFA_OTHER;
static const u32 stateAlign = 8;
static const bool fast = true;
static const has_accel_fn has_accel;
static const nfa_dispatch_fn has_accel;
static const nfa_dispatch_fn has_repeats;
static const nfa_dispatch_fn has_repeats_other_than_firsts;
};
const has_accel_fn NFATraits<GOUGH_NFA_16>::has_accel = has_accel_dfa;
const nfa_dispatch_fn NFATraits<GOUGH_NFA_16>::has_accel = has_accel_dfa;
const nfa_dispatch_fn NFATraits<GOUGH_NFA_16>::has_repeats = dispatch_false;
const nfa_dispatch_fn NFATraits<GOUGH_NFA_16>::has_repeats_other_than_firsts = dispatch_false;
#if defined(DUMP_SUPPORT)
const char *NFATraits<GOUGH_NFA_16>::name = "Goughfish 16";
#endif
@ -221,9 +273,13 @@ template<> struct NFATraits<MPV_NFA_0> {
static const NFACategory category = NFA_OTHER;
static const u32 stateAlign = 8;
static const bool fast = true;
static const has_accel_fn has_accel;
static const nfa_dispatch_fn has_accel;
static const nfa_dispatch_fn has_repeats;
static const nfa_dispatch_fn has_repeats_other_than_firsts;
};
const has_accel_fn NFATraits<MPV_NFA_0>::has_accel = has_accel_generic;
const nfa_dispatch_fn NFATraits<MPV_NFA_0>::has_accel = dispatch_false;
const nfa_dispatch_fn NFATraits<MPV_NFA_0>::has_repeats = dispatch_false;
const nfa_dispatch_fn NFATraits<MPV_NFA_0>::has_repeats_other_than_firsts = dispatch_false;
#if defined(DUMP_SUPPORT)
const char *NFATraits<MPV_NFA_0>::name = "Mega-Puff-Vac";
#endif
@ -233,9 +289,13 @@ template<> struct NFATraits<CASTLE_NFA_0> {
static const NFACategory category = NFA_OTHER;
static const u32 stateAlign = 8;
static const bool fast = true;
static const has_accel_fn has_accel;
static const nfa_dispatch_fn has_accel;
static const nfa_dispatch_fn has_repeats;
static const nfa_dispatch_fn has_repeats_other_than_firsts;
};
const has_accel_fn NFATraits<CASTLE_NFA_0>::has_accel = has_accel_generic;
const nfa_dispatch_fn NFATraits<CASTLE_NFA_0>::has_accel = dispatch_false;
const nfa_dispatch_fn NFATraits<CASTLE_NFA_0>::has_repeats = dispatch_false;
const nfa_dispatch_fn NFATraits<CASTLE_NFA_0>::has_repeats_other_than_firsts = dispatch_false;
#if defined(DUMP_SUPPORT)
const char *NFATraits<CASTLE_NFA_0>::name = "Castle";
#endif
@ -245,9 +305,13 @@ template<> struct NFATraits<LBR_NFA_Dot> {
static const NFACategory category = NFA_OTHER;
static const u32 stateAlign = 8;
static const bool fast = true;
static const has_accel_fn has_accel;
static const nfa_dispatch_fn has_accel;
static const nfa_dispatch_fn has_repeats;
static const nfa_dispatch_fn has_repeats_other_than_firsts;
};
const has_accel_fn NFATraits<LBR_NFA_Dot>::has_accel = has_accel_generic;
const nfa_dispatch_fn NFATraits<LBR_NFA_Dot>::has_accel = dispatch_false;
const nfa_dispatch_fn NFATraits<LBR_NFA_Dot>::has_repeats = dispatch_false;
const nfa_dispatch_fn NFATraits<LBR_NFA_Dot>::has_repeats_other_than_firsts = dispatch_false;
#if defined(DUMP_SUPPORT)
const char *NFATraits<LBR_NFA_Dot>::name = "Lim Bounded Repeat (D)";
#endif
@ -257,9 +321,13 @@ template<> struct NFATraits<LBR_NFA_Verm> {
static const NFACategory category = NFA_OTHER;
static const u32 stateAlign = 8;
static const bool fast = true;
static const has_accel_fn has_accel;
static const nfa_dispatch_fn has_accel;
static const nfa_dispatch_fn has_repeats;
static const nfa_dispatch_fn has_repeats_other_than_firsts;
};
const has_accel_fn NFATraits<LBR_NFA_Verm>::has_accel = has_accel_generic;
const nfa_dispatch_fn NFATraits<LBR_NFA_Verm>::has_accel = dispatch_false;
const nfa_dispatch_fn NFATraits<LBR_NFA_Verm>::has_repeats = dispatch_false;
const nfa_dispatch_fn NFATraits<LBR_NFA_Verm>::has_repeats_other_than_firsts = dispatch_false;
#if defined(DUMP_SUPPORT)
const char *NFATraits<LBR_NFA_Verm>::name = "Lim Bounded Repeat (V)";
#endif
@ -269,9 +337,13 @@ template<> struct NFATraits<LBR_NFA_NVerm> {
static const NFACategory category = NFA_OTHER;
static const u32 stateAlign = 8;
static const bool fast = true;
static const has_accel_fn has_accel;
static const nfa_dispatch_fn has_accel;
static const nfa_dispatch_fn has_repeats;
static const nfa_dispatch_fn has_repeats_other_than_firsts;
};
const has_accel_fn NFATraits<LBR_NFA_NVerm>::has_accel = has_accel_generic;
const nfa_dispatch_fn NFATraits<LBR_NFA_NVerm>::has_accel = dispatch_false;
const nfa_dispatch_fn NFATraits<LBR_NFA_NVerm>::has_repeats = dispatch_false;
const nfa_dispatch_fn NFATraits<LBR_NFA_NVerm>::has_repeats_other_than_firsts = dispatch_false;
#if defined(DUMP_SUPPORT)
const char *NFATraits<LBR_NFA_NVerm>::name = "Lim Bounded Repeat (NV)";
#endif
@ -281,9 +353,13 @@ template<> struct NFATraits<LBR_NFA_Shuf> {
static const NFACategory category = NFA_OTHER;
static const u32 stateAlign = 8;
static const bool fast = true;
static const has_accel_fn has_accel;
static const nfa_dispatch_fn has_accel;
static const nfa_dispatch_fn has_repeats;
static const nfa_dispatch_fn has_repeats_other_than_firsts;
};
const has_accel_fn NFATraits<LBR_NFA_Shuf>::has_accel = has_accel_generic;
const nfa_dispatch_fn NFATraits<LBR_NFA_Shuf>::has_accel = dispatch_false;
const nfa_dispatch_fn NFATraits<LBR_NFA_Shuf>::has_repeats = dispatch_false;
const nfa_dispatch_fn NFATraits<LBR_NFA_Shuf>::has_repeats_other_than_firsts = dispatch_false;
#if defined(DUMP_SUPPORT)
const char *NFATraits<LBR_NFA_Shuf>::name = "Lim Bounded Repeat (S)";
#endif
@ -293,9 +369,13 @@ template<> struct NFATraits<LBR_NFA_Truf> {
static const NFACategory category = NFA_OTHER;
static const u32 stateAlign = 8;
static const bool fast = true;
static const has_accel_fn has_accel;
static const nfa_dispatch_fn has_accel;
static const nfa_dispatch_fn has_repeats;
static const nfa_dispatch_fn has_repeats_other_than_firsts;
};
const has_accel_fn NFATraits<LBR_NFA_Truf>::has_accel = has_accel_generic;
const nfa_dispatch_fn NFATraits<LBR_NFA_Truf>::has_accel = dispatch_false;
const nfa_dispatch_fn NFATraits<LBR_NFA_Truf>::has_repeats = dispatch_false;
const nfa_dispatch_fn NFATraits<LBR_NFA_Truf>::has_repeats_other_than_firsts = dispatch_false;
#if defined(DUMP_SUPPORT)
const char *NFATraits<LBR_NFA_Truf>::name = "Lim Bounded Repeat (M)";
#endif
@ -305,9 +385,13 @@ template<> struct NFATraits<TAMARAMA_NFA_0> {
static const NFACategory category = NFA_OTHER;
static const u32 stateAlign = 32;
static const bool fast = true;
static const has_accel_fn has_accel;
static const nfa_dispatch_fn has_accel;
static const nfa_dispatch_fn has_repeats;
static const nfa_dispatch_fn has_repeats_other_than_firsts;
};
const has_accel_fn NFATraits<TAMARAMA_NFA_0>::has_accel = has_accel_generic;
const nfa_dispatch_fn NFATraits<TAMARAMA_NFA_0>::has_accel = dispatch_false;
const nfa_dispatch_fn NFATraits<TAMARAMA_NFA_0>::has_repeats = dispatch_false;
const nfa_dispatch_fn NFATraits<TAMARAMA_NFA_0>::has_repeats_other_than_firsts = dispatch_false;
#if defined(DUMP_SUPPORT)
const char *NFATraits<TAMARAMA_NFA_0>::name = "Tamarama";
#endif
@ -362,42 +446,39 @@ struct is_limex {
};
}
namespace {
template<NFAEngineType t>
struct has_repeats_other_than_firsts_dispatch {
static nfa_dispatch_fn call(const void *) {
return NFATraits<t>::has_repeats_other_than_firsts;
}
};
}
bool has_bounded_repeats_other_than_firsts(const NFA &nfa) {
if (!DISPATCH_BY_NFA_TYPE((NFAEngineType)nfa.type, is_limex, &nfa)) {
return false;
return DISPATCH_BY_NFA_TYPE((NFAEngineType)nfa.type,
has_repeats_other_than_firsts_dispatch,
&nfa)(&nfa);
}
const LimExNFABase *limex = (const LimExNFABase *)getImplNfa(&nfa);
const char *ptr = (const char *)limex;
const u32 *repeatOffset = (const u32 *)(ptr + limex->repeatOffset);
for (u32 i = 0; i < limex->repeatCount; i++) {
u32 offset = repeatOffset[i];
const NFARepeatInfo *info = (const NFARepeatInfo *)(ptr + offset);
const RepeatInfo *repeat =
(const RepeatInfo *)((const char *)info + sizeof(*info));
if (repeat->type != REPEAT_FIRST) {
return true;
namespace {
template<NFAEngineType t>
struct has_repeats_dispatch {
static nfa_dispatch_fn call(const void *) {
return NFATraits<t>::has_repeats;
}
}
return false;
};
}
bool has_bounded_repeats(const NFA &nfa) {
if (!DISPATCH_BY_NFA_TYPE((NFAEngineType)nfa.type, is_limex, &nfa)) {
return false;
}
const LimExNFABase *limex = (const LimExNFABase *)getImplNfa(&nfa);
return limex->repeatCount;
return DISPATCH_BY_NFA_TYPE((NFAEngineType)nfa.type, has_repeats_dispatch,
&nfa)(&nfa);
}
namespace {
template<NFAEngineType t>
struct has_accel_dispatch {
static has_accel_fn call(const void *) {
static nfa_dispatch_fn call(const void *) {
return NFATraits<t>::has_accel;
}
};
@ -405,8 +486,7 @@ struct has_accel_dispatch {
bool has_accel(const NFA &nfa) {
return DISPATCH_BY_NFA_TYPE((NFAEngineType)nfa.type, has_accel_dispatch,
&nfa)
(&nfa);
&nfa)(&nfa);
}
bool requires_decompress_key(const NFA &nfa) {