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Adding support for compiling approximate matching patterns

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Adds new "edit_distance" extparam
This commit is contained in:
Anatoly Burakov
2017-02-10 15:37:35 +00:00
committed by Matthew Barr
parent 60fc975c81
commit 2de6706df2
16 changed files with 804 additions and 28 deletions
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9
src/hs.cpp
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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:
@@ -40,6 +40,7 @@
#include "nfagraph/ng.h"
#include "nfagraph/ng_expr_info.h"
#include "nfagraph/ng_extparam.h"
#include "nfagraph/ng_fuzzy.h"
#include "parser/parse_error.h"
#include "parser/Parser.h"
#include "parser/prefilter.h"
@@ -379,6 +380,12 @@ hs_error_t hs_expression_info_int(const char *expression, unsigned int flags,
throw ParseError("Internal error.");
}
// validate graph's suitability for fuzzing
validate_fuzzy_compile(*g, g->edit_distance, g->utf8, cc.grey);
// fuzz graph - this must happen before any transformations are made
make_fuzzy(*g, g->edit_distance, cc.grey);
handleExtendedParams(rm, *g, cc);
fillExpressionInfo(rm, *g, &local_info);
}