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dfa: only accel init states from smwr path

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If the small-write DFA has been built from literals, then we only need
to look for accel states at init.
This commit is contained in:
Justin Viiret
2017-04-11 10:56:22 +10:00
committed by Matthew Barr
parent 41d7aa8281
commit 0dd8536c6e
11 changed files with 57 additions and 33 deletions
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8
src/nfa/accel_dfa_build_strat.h
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2016, Intel Corporation
* Copyright (c) 2015-2017, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -43,8 +43,8 @@ struct Grey;
class accel_dfa_build_strat : public dfa_build_strat {
public:
explicit accel_dfa_build_strat(const ReportManager &rm_in)
: dfa_build_strat(rm_in) {}
accel_dfa_build_strat(const ReportManager &rm_in, bool only_accel_init_in)
: dfa_build_strat(rm_in), only_accel_init(only_accel_init_in) {}
virtual AccelScheme find_escape_strings(dstate_id_t this_idx) const;
virtual size_t accelSize(void) const = 0;
virtual u32 max_allowed_offset_accel() const = 0;
@@ -53,6 +53,8 @@ public:
virtual void buildAccel(dstate_id_t this_idx, const AccelScheme &info,
void *accel_out);
virtual std::map<dstate_id_t, AccelScheme> getAccelInfo(const Grey &grey);
private:
bool only_accel_init;
};
} // namespace ue2